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llvm-project/lldb/source/Expression/IRInterpreter.cpp

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This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
//===-- IRInterpreter.cpp ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/DataEncoder.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/ValueObjectConstResult.h"
#include "lldb/Expression/ClangExpressionDeclMap.h"
Previoously the expression parser had to rely on the JIT when printing the values of registers (e.g., "expr $pc"). Now the expression parser can do this in the IR interpreter without running code in the inferior process. llvm-svn: 150554
2012-02-15 09:40:39 +08:00
#include "lldb/Expression/ClangExpressionVariable.h"
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
#include "lldb/Expression/IRForTarget.h"
#include "lldb/Expression/IRInterpreter.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
#include "llvm/Module.h"
#include "llvm/Support/raw_ostream.h"
Move TargetData to DataLayout. llvm-svn: 165396
2012-10-09 00:28:57 +08:00
#include "llvm/DataLayout.h"
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
#include <map>
using namespace llvm;
IRInterpreter::IRInterpreter(lldb_private::ClangExpressionDeclMap &decl_map,
lldb_private::Stream *error_stream) :
Fix a few more clang (3.2) warnings on Linux: - remove unused members - add NO_PEDANTIC to selected Makefiles - fix return values (removed NULL as needed) - disable warning about four-char-constants - remove unneeded const from operator*() declaration - add missing lambda function return types - fix printf() with no format string - change sizeof to use a type name instead of variable name - fix Linux ProcessMonitor.cpp to be 32/64 bit friendly - disable warnings emitted by swig-generated C++ code Patch by Matt Kopec! llvm-svn: 169645
2012-12-08 06:21:08 +08:00
m_decl_map(decl_map)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
}
IRInterpreter::~IRInterpreter()
{
}
static std::string
PrintValue(const Value *value, bool truncate = false)
{
std::string s;
raw_string_ostream rso(s);
value->print(rso);
rso.flush();
if (truncate)
s.resize(s.length() - 1);
size_t offset;
while ((offset = s.find('\n')) != s.npos)
s.erase(offset, 1);
while (s[0] == ' ' || s[0] == '\t')
s.erase(0, 1);
return s;
}
static std::string
PrintType(const Type *type, bool truncate = false)
{
std::string s;
raw_string_ostream rso(s);
type->print(rso);
rso.flush();
if (truncate)
s.resize(s.length() - 1);
return s;
}
<rdar://problem/10434005> Prepare LLDB to be built with C++11 by hiding all accesses to std::tr1 behind macros that allows us to easily compile for either C++. llvm-svn: 152698
2012-03-14 11:07:05 +08:00
typedef STD_SHARED_PTR(lldb_private::DataEncoder) DataEncoderSP;
typedef STD_SHARED_PTR(lldb_private::DataExtractor) DataExtractorSP;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
class Memory
{
public:
typedef uint32_t index_t;
struct Allocation
{
// m_virtual_address is always the address of the variable in the virtual memory
// space provided by Memory.
//
// m_origin is always non-NULL and describes the source of the data (possibly
// m_data if this allocation is the authoritative source).
//
// Possible value configurations:
//
// Allocation type getValueType() getContextType() m_origin->GetScalar() m_data
// =========================================================================================================================
// FileAddress eValueTypeFileAddress eContextTypeInvalid A location in a binary NULL
// image
//
// LoadAddress eValueTypeLoadAddress eContextTypeInvalid A location in the target's NULL
// virtual memory
//
// Alloca eValueTypeHostAddress eContextTypeInvalid == m_data->GetBytes() Deleted at end of
// execution
//
// PersistentVar eValueTypeHostAddress eContextTypeClangType A persistent variable's NULL
// location in LLDB's memory
//
// Register [ignored] eContextTypeRegister [ignored] Flushed to the register
// at the end of execution
lldb::addr_t m_virtual_address;
size_t m_extent;
lldb_private::Value m_origin;
lldb::DataBufferSP m_data;
Allocation (lldb::addr_t virtual_address,
size_t extent,
lldb::DataBufferSP data) :
m_virtual_address(virtual_address),
m_extent(extent),
m_data(data)
{
}
Allocation (const Allocation &allocation) :
m_virtual_address(allocation.m_virtual_address),
m_extent(allocation.m_extent),
m_origin(allocation.m_origin),
m_data(allocation.m_data)
{
}
};
<rdar://problem/10434005> Prepare LLDB to be built with C++11 by hiding all accesses to std::tr1 behind macros that allows us to easily compile for either C++. llvm-svn: 152698
2012-03-14 11:07:05 +08:00
typedef STD_SHARED_PTR(Allocation) AllocationSP;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
struct Region
{
AllocationSP m_allocation;
uint64_t m_base;
uint64_t m_extent;
Region () :
m_allocation(),
m_base(0),
m_extent(0)
{
}
Region (AllocationSP allocation, uint64_t base, uint64_t extent) :
m_allocation(allocation),
m_base(base),
m_extent(extent)
{
}
Region (const Region &region) :
m_allocation(region.m_allocation),
m_base(region.m_base),
m_extent(region.m_extent)
{
}
bool IsValid ()
{
Add explicit casts to bool in "shared pointer is valid" constructs that return bool. llvm-svn: 161719
2012-08-11 08:35:26 +08:00
return (bool) m_allocation;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
bool IsInvalid ()
{
Removed explicit NULL checks for shared pointers and instead made us use implicit casts to bool. This generated a warning in C++11. <rdar://problem/11930775> llvm-svn: 161559
2012-08-09 08:50:26 +08:00
return !m_allocation;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
};
typedef std::vector <AllocationSP> MemoryMap;
private:
lldb::addr_t m_addr_base;
lldb::addr_t m_addr_max;
MemoryMap m_memory;
lldb::ByteOrder m_byte_order;
lldb::addr_t m_addr_byte_size;
Move TargetData to DataLayout. llvm-svn: 165396
2012-10-09 00:28:57 +08:00
DataLayout &m_target_data;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
lldb_private::ClangExpressionDeclMap &m_decl_map;
MemoryMap::iterator LookupInternal (lldb::addr_t addr)
{
for (MemoryMap::iterator i = m_memory.begin(), e = m_memory.end();
i != e;
++i)
{
if ((*i)->m_virtual_address <= addr &&
(*i)->m_virtual_address + (*i)->m_extent > addr)
return i;
}
return m_memory.end();
}
public:
Move TargetData to DataLayout. llvm-svn: 165396
2012-10-09 00:28:57 +08:00
Memory (DataLayout &target_data,
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
lldb_private::ClangExpressionDeclMap &decl_map,
lldb::addr_t alloc_start,
lldb::addr_t alloc_max) :
m_addr_base(alloc_start),
m_addr_max(alloc_max),
m_target_data(target_data),
m_decl_map(decl_map)
{
m_byte_order = (target_data.isLittleEndian() ? lldb::eByteOrderLittle : lldb::eByteOrderBig);
Add in the first iteration of support for llvm/clang/lldb to allow variable per address space pointer sizes to be optimized correctly. llvm-svn: 165726
2012-10-12 01:21:41 +08:00
m_addr_byte_size = (target_data.getPointerSize(0));
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
Region Malloc (size_t size, size_t align)
{
lldb::DataBufferSP data(new lldb_private::DataBufferHeap(size, 0));
if (data)
{
index_t index = m_memory.size();
const size_t mask = (align - 1);
m_addr_base += mask;
m_addr_base &= ~mask;
if (m_addr_base + size < m_addr_base ||
m_addr_base + size > m_addr_max)
return Region();
uint64_t base = m_addr_base;
m_memory.push_back(AllocationSP(new Allocation(base, size, data)));
m_addr_base += size;
AllocationSP alloc = m_memory[index];
alloc->m_origin.GetScalar() = (unsigned long long)data->GetBytes();
alloc->m_origin.SetContext(lldb_private::Value::eContextTypeInvalid, NULL);
alloc->m_origin.SetValueType(lldb_private::Value::eValueTypeHostAddress);
return Region(alloc, base, size);
}
return Region();
}
Region Malloc (Type *type)
{
return Malloc (m_target_data.getTypeAllocSize(type),
m_target_data.getPrefTypeAlignment(type));
}
Region Place (Type *type, lldb::addr_t base, lldb_private::Value &value)
{
index_t index = m_memory.size();
size_t size = m_target_data.getTypeAllocSize(type);
m_memory.push_back(AllocationSP(new Allocation(base, size, lldb::DataBufferSP())));
AllocationSP alloc = m_memory[index];
alloc->m_origin = value;
return Region(alloc, base, size);
}
void Free (lldb::addr_t addr)
{
MemoryMap::iterator i = LookupInternal (addr);
if (i != m_memory.end())
m_memory.erase(i);
}
Region Lookup (lldb::addr_t addr, Type *type)
{
MemoryMap::iterator i = LookupInternal(addr);
After thinking about it, it doesn't seem right to make assumptions if the type is unsized. We just give up (and let the JIT handle it) instead. llvm-svn: 147915
2012-01-11 10:23:25 +08:00
if (i == m_memory.end() || !type->isSized())
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return Region();
After thinking about it, it doesn't seem right to make assumptions if the type is unsized. We just give up (and let the JIT handle it) instead. llvm-svn: 147915
2012-01-11 10:23:25 +08:00
size_t size = m_target_data.getTypeStoreSize(type);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return Region(*i, addr, size);
}
DataEncoderSP GetEncoder (Region region)
{
if (region.m_allocation->m_origin.GetValueType() != lldb_private::Value::eValueTypeHostAddress)
return DataEncoderSP();
lldb::DataBufferSP buffer = region.m_allocation->m_data;
if (!buffer)
return DataEncoderSP();
size_t base_offset = (size_t)(region.m_base - region.m_allocation->m_virtual_address);
return DataEncoderSP(new lldb_private::DataEncoder(buffer->GetBytes() + base_offset, region.m_extent, m_byte_order, m_addr_byte_size));
}
DataExtractorSP GetExtractor (Region region)
{
if (region.m_allocation->m_origin.GetValueType() != lldb_private::Value::eValueTypeHostAddress)
return DataExtractorSP();
lldb::DataBufferSP buffer = region.m_allocation->m_data;
size_t base_offset = (size_t)(region.m_base - region.m_allocation->m_virtual_address);
if (buffer)
return DataExtractorSP(new lldb_private::DataExtractor(buffer->GetBytes() + base_offset, region.m_extent, m_byte_order, m_addr_byte_size));
else
return DataExtractorSP(new lldb_private::DataExtractor((uint8_t*)region.m_allocation->m_origin.GetScalar().ULongLong() + base_offset, region.m_extent, m_byte_order, m_addr_byte_size));
}
lldb_private::Value GetAccessTarget(lldb::addr_t addr)
{
MemoryMap::iterator i = LookupInternal(addr);
if (i == m_memory.end())
return lldb_private::Value();
lldb_private::Value target = (*i)->m_origin;
if (target.GetContextType() == lldb_private::Value::eContextTypeRegisterInfo)
{
target.SetContext(lldb_private::Value::eContextTypeInvalid, NULL);
target.SetValueType(lldb_private::Value::eValueTypeHostAddress);
target.GetScalar() = (unsigned long long)(*i)->m_data->GetBytes();
}
target.GetScalar() += (addr - (*i)->m_virtual_address);
return target;
}
bool Write (lldb::addr_t addr, const uint8_t *data, size_t length)
{
lldb_private::Value target = GetAccessTarget(addr);
return m_decl_map.WriteTarget(target, data, length);
}
bool Read (uint8_t *data, lldb::addr_t addr, size_t length)
{
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
lldb_private::Value source = GetAccessTarget(addr);
return m_decl_map.ReadTarget(data, source, length);
}
bool WriteToRawPtr (lldb::addr_t addr, const uint8_t *data, size_t length)
{
lldb_private::Value target = m_decl_map.WrapBareAddress(addr);
return m_decl_map.WriteTarget(target, data, length);
}
bool ReadFromRawPtr (uint8_t *data, lldb::addr_t addr, size_t length)
{
lldb_private::Value source = m_decl_map.WrapBareAddress(addr);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return m_decl_map.ReadTarget(data, source, length);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
std::string PrintData (lldb::addr_t addr, size_t length)
{
lldb_private::Value target = GetAccessTarget(addr);
lldb_private::DataBufferHeap buf(length, 0);
if (!m_decl_map.ReadTarget(buf.GetBytes(), target, length))
return std::string("<couldn't read data>");
lldb_private::StreamString ss;
for (size_t i = 0; i < length; i++)
{
if ((!(i & 0xf)) && i)
ss.Printf("%02hhx - ", buf.GetBytes()[i]);
else
ss.Printf("%02hhx ", buf.GetBytes()[i]);
}
return ss.GetString();
}
std::string SummarizeRegion (Region &region)
{
lldb_private::StreamString ss;
lldb_private::Value base = GetAccessTarget(region.m_base);
Resolve printf formatting warnings on Linux: - use macros from inttypes.h for format strings instead of OS-specific types Patch from Matt Kopec! llvm-svn: 168945
2012-11-30 05:49:15 +08:00
ss.Printf("%" PRIx64 " [%s - %s %llx]",
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
region.m_base,
lldb_private::Value::GetValueTypeAsCString(base.GetValueType()),
lldb_private::Value::GetContextTypeAsCString(base.GetContextType()),
base.GetScalar().ULongLong());
ss.Printf(" %s", PrintData(region.m_base, region.m_extent).c_str());
return ss.GetString();
}
};
class InterpreterStackFrame
{
public:
typedef std::map <const Value*, Memory::Region> ValueMap;
ValueMap m_values;
Memory &m_memory;
Move TargetData to DataLayout. llvm-svn: 165396
2012-10-09 00:28:57 +08:00
DataLayout &m_target_data;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
lldb_private::ClangExpressionDeclMap &m_decl_map;
const BasicBlock *m_bb;
BasicBlock::const_iterator m_ii;
BasicBlock::const_iterator m_ie;
lldb::ByteOrder m_byte_order;
size_t m_addr_byte_size;
Move TargetData to DataLayout. llvm-svn: 165396
2012-10-09 00:28:57 +08:00
InterpreterStackFrame (DataLayout &target_data,
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Memory &memory,
lldb_private::ClangExpressionDeclMap &decl_map) :
m_memory (memory),
warnings: Fix a bunch of -Wreorder problems. llvm-svn: 143381
2011-11-01 06:50:49 +08:00
m_target_data (target_data),
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
m_decl_map (decl_map)
{
m_byte_order = (target_data.isLittleEndian() ? lldb::eByteOrderLittle : lldb::eByteOrderBig);
Fixed the IR interaction layer to deal with a change in the LLDB target data API. llvm-svn: 165754
2012-10-12 06:00:52 +08:00
m_addr_byte_size = (target_data.getPointerSize(0));
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
void Jump (const BasicBlock *bb)
{
m_bb = bb;
m_ii = m_bb->begin();
m_ie = m_bb->end();
}
bool Cache (Memory::AllocationSP allocation, Type *type)
{
if (allocation->m_origin.GetContextType() != lldb_private::Value::eContextTypeRegisterInfo)
return false;
return m_decl_map.ReadTarget(allocation->m_data->GetBytes(), allocation->m_origin, allocation->m_data->GetByteSize());
}
std::string SummarizeValue (const Value *value)
{
lldb_private::StreamString ss;
ss.Printf("%s", PrintValue(value).c_str());
ValueMap::iterator i = m_values.find(value);
if (i != m_values.end())
{
Memory::Region region = i->second;
ss.Printf(" %s", m_memory.SummarizeRegion(region).c_str());
}
return ss.GetString();
}
bool AssignToMatchType (lldb_private::Scalar &scalar, uint64_t u64value, Type *type)
{
size_t type_size = m_target_data.getTypeStoreSize(type);
switch (type_size)
{
case 1:
scalar = (uint8_t)u64value;
break;
case 2:
scalar = (uint16_t)u64value;
break;
case 4:
scalar = (uint32_t)u64value;
break;
case 8:
scalar = (uint64_t)u64value;
break;
default:
return false;
}
return true;
}
bool EvaluateValue (lldb_private::Scalar &scalar, const Value *value, Module &module)
{
const Constant *constant = dyn_cast<Constant>(value);
if (constant)
{
if (const ConstantInt *constant_int = dyn_cast<ConstantInt>(constant))
{
return AssignToMatchType(scalar, constant_int->getLimitedValue(), value->getType());
}
}
else
{
Memory::Region region = ResolveValue(value, module);
DataExtractorSP value_extractor = m_memory.GetExtractor(region);
if (!value_extractor)
return false;
size_t value_size = m_target_data.getTypeStoreSize(value->getType());
uint32_t offset = 0;
uint64_t u64value = value_extractor->GetMaxU64(&offset, value_size);
return AssignToMatchType(scalar, u64value, value->getType());
}
return false;
}
bool AssignValue (const Value *value, lldb_private::Scalar &scalar, Module &module)
{
Memory::Region region = ResolveValue (value, module);
lldb_private::Scalar cast_scalar;
if (!AssignToMatchType(cast_scalar, scalar.GetRawBits64(0), value->getType()))
return false;
lldb_private::DataBufferHeap buf(cast_scalar.GetByteSize(), 0);
lldb_private::Error err;
if (!cast_scalar.GetAsMemoryData(buf.GetBytes(), buf.GetByteSize(), m_byte_order, err))
return false;
DataEncoderSP region_encoder = m_memory.GetEncoder(region);
memcpy(region_encoder->GetDataStart(), buf.GetBytes(), buf.GetByteSize());
return true;
}
The IRInterpreter's constant evaluator wasn't sufficiently general - it could only handle literals and operations that didn't change the data. Now the constant evaluator passes APInt values around, and can handle GetElementPtr constants. llvm-svn: 150034
2012-02-08 09:27:49 +08:00
bool ResolveConstantValue (APInt &value, const Constant *constant)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
if (const ConstantInt *constant_int = dyn_cast<ConstantInt>(constant))
{
The IRInterpreter's constant evaluator wasn't sufficiently general - it could only handle literals and operations that didn't change the data. Now the constant evaluator passes APInt values around, and can handle GetElementPtr constants. llvm-svn: 150034
2012-02-08 09:27:49 +08:00
value = constant_int->getValue();
return true;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
else if (const ConstantFP *constant_fp = dyn_cast<ConstantFP>(constant))
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
The IRInterpreter's constant evaluator wasn't sufficiently general - it could only handle literals and operations that didn't change the data. Now the constant evaluator passes APInt values around, and can handle GetElementPtr constants. llvm-svn: 150034
2012-02-08 09:27:49 +08:00
value = constant_fp->getValueAPF().bitcastToAPInt();
return true;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
else if (const ConstantExpr *constant_expr = dyn_cast<ConstantExpr>(constant))
{
switch (constant_expr->getOpcode())
{
The IRInterpreter's constant evaluator wasn't sufficiently general - it could only handle literals and operations that didn't change the data. Now the constant evaluator passes APInt values around, and can handle GetElementPtr constants. llvm-svn: 150034
2012-02-08 09:27:49 +08:00
default:
return false;
case Instruction::IntToPtr:
Added support for PtrToInt to the IR interpreter. <rdar://problem/12657742> llvm-svn: 169063
2012-12-01 08:09:34 +08:00
case Instruction::PtrToInt:
The IRInterpreter's constant evaluator wasn't sufficiently general - it could only handle literals and operations that didn't change the data. Now the constant evaluator passes APInt values around, and can handle GetElementPtr constants. llvm-svn: 150034
2012-02-08 09:27:49 +08:00
case Instruction::BitCast:
return ResolveConstantValue(value, constant_expr->getOperand(0));
case Instruction::GetElementPtr:
{
ConstantExpr::const_op_iterator op_cursor = constant_expr->op_begin();
ConstantExpr::const_op_iterator op_end = constant_expr->op_end();
Constant *base = dyn_cast<Constant>(*op_cursor);
if (!base)
return false;
if (!ResolveConstantValue(value, base))
return false;
op_cursor++;
if (op_cursor == op_end)
return true; // no offset to apply!
SmallVector <Value *, 8> indices (op_cursor, op_end);
uint64_t offset = m_target_data.getIndexedOffset(base->getType(), indices);
const bool is_signed = true;
value += APInt(value.getBitWidth(), offset, is_signed);
return true;
}
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
}
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
The IRInterpreter's constant evaluator wasn't sufficiently general - it could only handle literals and operations that didn't change the data. Now the constant evaluator passes APInt values around, and can handle GetElementPtr constants. llvm-svn: 150034
2012-02-08 09:27:49 +08:00
bool ResolveConstant (Memory::Region &region, const Constant *constant)
{
APInt resolved_value;
if (!ResolveConstantValue(resolved_value, constant))
return false;
const uint64_t *raw_data = resolved_value.getRawData();
size_t constant_size = m_target_data.getTypeStoreSize(constant->getType());
return m_memory.Write(region.m_base, (const uint8_t*)raw_data, constant_size);
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Memory::Region ResolveValue (const Value *value, Module &module)
{
ValueMap::iterator i = m_values.find(value);
if (i != m_values.end())
return i->second;
const GlobalValue *global_value = dyn_cast<GlobalValue>(value);
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
// If the variable is indirected through the argument
// array then we need to build an extra level of indirection
// for it. This is the default; only magic arguments like
// "this", "self", and "_cmd" are direct.
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
bool variable_is_this = false;
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
// Attempt to resolve the value using the program's data.
// If it is, the values to be created are:
//
// data_region - a region of memory in which the variable's data resides.
// ref_region - a region of memory in which its address (i.e., &var) resides.
// In the JIT case, this region would be a member of the struct passed in.
// pointer_region - a region of memory in which the address of the pointer
// resides. This is an IR-level variable.
do
{
lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
lldb_private::Value resolved_value;
Ran the static analyzer on the codebase and found a few things. llvm-svn: 160338
2012-07-17 11:23:13 +08:00
lldb_private::ClangExpressionVariable::FlagType flags = 0;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
if (global_value)
{
clang::NamedDecl *decl = IRForTarget::DeclForGlobal(global_value, &module);
if (!decl)
break;
if (isa<clang::FunctionDecl>(decl))
{
if (log)
log->Printf("The interpreter does not handle function pointers at the moment");
return Memory::Region();
}
Previoously the expression parser had to rely on the JIT when printing the values of registers (e.g., "expr $pc"). Now the expression parser can do this in the IR interpreter without running code in the inferior process. llvm-svn: 150554
2012-02-15 09:40:39 +08:00
resolved_value = m_decl_map.LookupDecl(decl, flags);
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
}
else
{
// Special-case "this", "self", and "_cmd"
Pulled in a new revision of LLVM/Clang and added several patches. These patches fix a problem where templated types were not being completed the first time they were used, and fix a variety of minor issues I discovered while fixing that problem. One of the previous local patches was resolved in the most recent Clang, so I removed it. The others will be removed in due course. llvm-svn: 144984
2011-11-19 10:54:21 +08:00
std::string name_str = value->getName().str();
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
if (name_str == "this" ||
name_str == "self" ||
name_str == "_cmd")
resolved_value = m_decl_map.GetSpecialValue(lldb_private::ConstString(name_str.c_str()));
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
variable_is_this = true;
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (resolved_value.GetScalar().GetType() != lldb_private::Scalar::e_void)
{
if (resolved_value.GetContextType() == lldb_private::Value::eContextTypeRegisterInfo)
{
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
if (variable_is_this)
{
Memory::Region data_region = m_memory.Place(value->getType(), resolved_value.GetScalar().ULongLong(), resolved_value);
lldb_private::Value origin;
origin.SetValueType(lldb_private::Value::eValueTypeLoadAddress);
origin.SetContext(lldb_private::Value::eContextTypeInvalid, NULL);
origin.GetScalar() = resolved_value.GetScalar();
data_region.m_allocation->m_origin = origin;
Memory::Region ref_region = m_memory.Malloc(value->getType());
if (ref_region.IsInvalid())
return Memory::Region();
DataEncoderSP ref_encoder = m_memory.GetEncoder(ref_region);
if (ref_encoder->PutAddress(0, data_region.m_base) == UINT32_MAX)
return Memory::Region();
if (log)
{
log->Printf("Made an allocation for \"this\" register variable %s", PrintValue(value).c_str());
log->Printf(" Data region : %llx", (unsigned long long)data_region.m_base);
log->Printf(" Ref region : %llx", (unsigned long long)ref_region.m_base);
}
m_values[value] = ref_region;
return ref_region;
}
else if (flags & lldb_private::ClangExpressionVariable::EVBareRegister)
{
lldb_private::RegisterInfo *reg_info = resolved_value.GetRegisterInfo();
Memory::Region data_region = (reg_info->encoding == lldb::eEncodingVector) ?
Path from Ashok Thirumurthi: The attached patch adds eValueTypeVector to lldb_private::Value. The nested struct Vector is patterned after RegisterValue::m_data.buffer. This change to Value allows ClangExpressionDeclMap::LookupDecl to return vector register data for consumption by InterpreterStackFrame::ResolveValue. Note that ResolveValue was tweaked slightly to allocate enough memory for vector registers. An immediate result of this patch is that "expr $xmm0" generates the same results on Linux as on the Mac, which is good enough for TestRegisters.py. In addition, the log of m_memory.PrintData(data_region.m_base, data_region.m_extent) shows that the register content has been resolved successfully. On the other hand, the output is glaringly empty: runCmd: expr $xmm0 output: (unsigned char __attribute__((ext_vector_type(16)))) $0 = {} Expecting sub string: vector_type Matched llvm-svn: 167033
2012-10-31 02:18:43 +08:00
m_memory.Malloc(reg_info->byte_size, m_target_data.getPrefTypeAlignment(value->getType())) :
m_memory.Malloc(value->getType());
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
data_region.m_allocation->m_origin = resolved_value;
Memory::Region ref_region = m_memory.Malloc(value->getType());
if (!Cache(data_region.m_allocation, value->getType()))
return Memory::Region();
if (ref_region.IsInvalid())
return Memory::Region();
DataEncoderSP ref_encoder = m_memory.GetEncoder(ref_region);
if (ref_encoder->PutAddress(0, data_region.m_base) == UINT32_MAX)
return Memory::Region();
if (log)
{
log->Printf("Made an allocation for bare register variable %s", PrintValue(value).c_str());
log->Printf(" Data contents : %s", m_memory.PrintData(data_region.m_base, data_region.m_extent).c_str());
log->Printf(" Data region : %llx", (unsigned long long)data_region.m_base);
log->Printf(" Ref region : %llx", (unsigned long long)ref_region.m_base);
}
m_values[value] = ref_region;
return ref_region;
}
else
{
lldb_private::RegisterInfo *reg_info = resolved_value.GetRegisterInfo();
Memory::Region data_region = (reg_info->encoding == lldb::eEncodingVector) ?
m_memory.Malloc(reg_info->byte_size, m_target_data.getPrefTypeAlignment(value->getType())) :
m_memory.Malloc(value->getType());
data_region.m_allocation->m_origin = resolved_value;
Memory::Region ref_region = m_memory.Malloc(value->getType());
Memory::Region pointer_region;
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
pointer_region = m_memory.Malloc(value->getType());
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
if (!Cache(data_region.m_allocation, value->getType()))
return Memory::Region();
if (ref_region.IsInvalid())
return Memory::Region();
if (pointer_region.IsInvalid())
return Memory::Region();
DataEncoderSP ref_encoder = m_memory.GetEncoder(ref_region);
if (ref_encoder->PutAddress(0, data_region.m_base) == UINT32_MAX)
return Memory::Region();
if (log)
{
log->Printf("Made an allocation for ordinary register variable %s", PrintValue(value).c_str());
log->Printf(" Data contents : %s", m_memory.PrintData(data_region.m_base, data_region.m_extent).c_str());
log->Printf(" Data region : %llx", (unsigned long long)data_region.m_base);
log->Printf(" Ref region : %llx", (unsigned long long)ref_region.m_base);
Added logging to track when the IR interpreter resolves values in registers. llvm-svn: 147551
2012-01-05 05:42:46 +08:00
log->Printf(" Pointer region : %llx", (unsigned long long)pointer_region.m_base);
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
}
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
DataEncoderSP pointer_encoder = m_memory.GetEncoder(pointer_region);
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
if (pointer_encoder->PutAddress(0, ref_region.m_base) == UINT32_MAX)
return Memory::Region();
m_values[value] = pointer_region;
return pointer_region;
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
else
{
Memory::Region data_region = m_memory.Place(value->getType(), resolved_value.GetScalar().ULongLong(), resolved_value);
Memory::Region ref_region = m_memory.Malloc(value->getType());
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
Memory::Region pointer_region;
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
if (!variable_is_this)
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
pointer_region = m_memory.Malloc(value->getType());
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (ref_region.IsInvalid())
return Memory::Region();
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
if (pointer_region.IsInvalid() && !variable_is_this)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return Memory::Region();
DataEncoderSP ref_encoder = m_memory.GetEncoder(ref_region);
if (ref_encoder->PutAddress(0, data_region.m_base) == UINT32_MAX)
return Memory::Region();
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
if (!variable_is_this)
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
{
DataEncoderSP pointer_encoder = m_memory.GetEncoder(pointer_region);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
if (pointer_encoder->PutAddress(0, ref_region.m_base) == UINT32_MAX)
return Memory::Region();
m_values[value] = pointer_region;
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (log)
{
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
log->Printf("Made an allocation for %s", PrintValue(value).c_str());
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
log->Printf(" Data contents : %s", m_memory.PrintData(data_region.m_base, data_region.m_extent).c_str());
log->Printf(" Data region : %llx", (unsigned long long)data_region.m_base);
log->Printf(" Ref region : %llx", (unsigned long long)ref_region.m_base);
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
if (!variable_is_this)
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
log->Printf(" Pointer region : %llx", (unsigned long long)pointer_region.m_base);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
if (variable_is_this)
Extended the IR interpreter to handle the variables "_cmd", "this", and "self". These variables are handled differently from all other external variables used by the expression. Other variables are used indirectly through the $__lldb_arg operand; only _cmd, this, and self are passed directly through the ABI. There are two modifications: - I added a function to ClangExpressionDeclMap that retrives the value of one of these variables by name; and - I made IRInterpreter fetch these values when needed, and ensured that the proper level of indirection is used. llvm-svn: 143065
2011-10-27 05:20:00 +08:00
return ref_region;
Fixed the IRInterpreter's handling of "this" and "self" when those pointers are in registers. Previously in this case the IRInterpreter would handle them just as if the user had typed in "$rdi", which isn't safe because $rdi is passed in through the argument struct. Now we correctly break out all three cases (i.e., normal variables in registers, $reg, and this/self), and handle them in a way that's a little bit easier to read and change. This results in more accurate printing of "this" and "self" pointers all around. I have strengthened the optimized-code test case for Objective-C to ensure that we catch regressions in this area reliably in the future. <rdar://problem/12693963> llvm-svn: 169924
2012-12-12 06:39:36 +08:00
else
return pointer_region;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
}
}
while(0);
// Fall back and allocate space [allocation type Alloca]
Type *type = value->getType();
lldb::ValueSP backing_value(new lldb_private::Value);
Memory::Region data_region = m_memory.Malloc(type);
data_region.m_allocation->m_origin.GetScalar() = (unsigned long long)data_region.m_allocation->m_data->GetBytes();
data_region.m_allocation->m_origin.SetContext(lldb_private::Value::eContextTypeInvalid, NULL);
data_region.m_allocation->m_origin.SetValueType(lldb_private::Value::eValueTypeHostAddress);
const Constant *constant = dyn_cast<Constant>(value);
do
{
if (!constant)
break;
if (!ResolveConstant (data_region, constant))
return Memory::Region();
}
while(0);
m_values[value] = data_region;
return data_region;
}
bool ConstructResult (lldb::ClangExpressionVariableSP &result,
const GlobalValue *result_value,
const lldb_private::ConstString &result_name,
lldb_private::TypeFromParser result_type,
Module &module)
{
// The result_value resolves to P, a pointer to a region R containing the result data.
// If the result variable is a reference, the region R contains a pointer to the result R_final in the original process.
if (!result_value)
return true; // There was no slot for a result – the expression doesn't return one.
ValueMap::iterator i = m_values.find(result_value);
if (i == m_values.end())
return false; // There was a slot for the result, but we didn't write into it.
Memory::Region P = i->second;
DataExtractorSP P_extractor = m_memory.GetExtractor(P);
if (!P_extractor)
return false;
Type *pointer_ty = result_value->getType();
PointerType *pointer_ptr_ty = dyn_cast<PointerType>(pointer_ty);
if (!pointer_ptr_ty)
return false;
Type *R_ty = pointer_ptr_ty->getElementType();
uint32_t offset = 0;
lldb::addr_t pointer = P_extractor->GetAddress(&offset);
Memory::Region R = m_memory.Lookup(pointer, R_ty);
if (R.m_allocation->m_origin.GetValueType() != lldb_private::Value::eValueTypeHostAddress ||
!R.m_allocation->m_data)
return false;
lldb_private::Value base;
Fixed a problem with the IR interpreter that caused it to generate result variables that were not bound to their underlying data. This allowed the SBValue class to use the interpreter (if possible). Also made sure that any result variables that point to stack allocations in the stack frame of the interpreted expressions do not get live data. llvm-svn: 140285
2011-09-22 08:41:11 +08:00
bool transient = false;
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
bool maybe_make_load = false;
Fixed a problem with the IR interpreter that caused it to generate result variables that were not bound to their underlying data. This allowed the SBValue class to use the interpreter (if possible). Also made sure that any result variables that point to stack allocations in the stack frame of the interpreted expressions do not get live data. llvm-svn: 140285
2011-09-22 08:41:11 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (m_decl_map.ResultIsReference(result_name))
{
PointerType *R_ptr_ty = dyn_cast<PointerType>(R_ty);
if (!R_ptr_ty)
return false;
Type *R_final_ty = R_ptr_ty->getElementType();
DataExtractorSP R_extractor = m_memory.GetExtractor(R);
if (!R_extractor)
return false;
offset = 0;
lldb::addr_t R_pointer = R_extractor->GetAddress(&offset);
Memory::Region R_final = m_memory.Lookup(R_pointer, R_final_ty);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
if (R_final.m_allocation)
{
if (R_final.m_allocation->m_data)
transient = true; // this is a stack allocation
Fixed a problem with the IR interpreter that caused it to generate result variables that were not bound to their underlying data. This allowed the SBValue class to use the interpreter (if possible). Also made sure that any result variables that point to stack allocations in the stack frame of the interpreted expressions do not get live data. llvm-svn: 140285
2011-09-22 08:41:11 +08:00
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
base = R_final.m_allocation->m_origin;
base.GetScalar() += (R_final.m_base - R_final.m_allocation->m_virtual_address);
}
else
{
// We got a bare pointer. We are going to treat it as a load address
// or a file address, letting decl_map make the choice based on whether
// or not a process exists.
base.SetContext(lldb_private::Value::eContextTypeInvalid, NULL);
base.SetValueType(lldb_private::Value::eValueTypeFileAddress);
base.GetScalar() = (unsigned long long)R_pointer;
maybe_make_load = true;
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
else
{
base.SetContext(lldb_private::Value::eContextTypeInvalid, NULL);
base.SetValueType(lldb_private::Value::eValueTypeHostAddress);
base.GetScalar() = (unsigned long long)R.m_allocation->m_data->GetBytes() + (R.m_base - R.m_allocation->m_virtual_address);
}
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return m_decl_map.CompleteResultVariable (result, base, result_name, result_type, transient, maybe_make_load);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
};
bool
IRInterpreter::maybeRunOnFunction (lldb::ClangExpressionVariableSP &result,
const lldb_private::ConstString &result_name,
lldb_private::TypeFromParser result_type,
Function &llvm_function,
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
Module &llvm_module,
lldb_private::Error &err)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
if (supportsFunction (llvm_function, err))
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return runOnFunction(result,
result_name,
result_type,
llvm_function,
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
llvm_module,
err);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
else
return false;
}
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
static const char *unsupported_opcode_error = "Interpreter doesn't handle one of the expression's opcodes";
static const char *interpreter_initialization_error = "Interpreter couldn't be initialized";
static const char *interpreter_internal_error = "Interpreter encountered an internal error";
static const char *bad_value_error = "Interpreter couldn't resolve a value during execution";
static const char *memory_allocation_error = "Interpreter couldn't allocate memory";
static const char *memory_write_error = "Interpreter couldn't write to memory";
static const char *memory_read_error = "Interpreter couldn't read from memory";
static const char *infinite_loop_error = "Interpreter ran for too many cycles";
I have brought LLDB up-to-date with top of tree LLVM/Clang. This brings in several fixes, including: - Improvements in the Just-In-Time compiler's allocation of memory: the JIT now allocates memory in chunks of sections, improving its ability to generate relocations. I have revamped the RecordingMemoryManager to reflect these changes, as well as to get the memory allocation and data copying out fo the ClangExpressionParser code. Jim Grosbach wrote the updates to the JIT on the LLVM side. - A new ExternalASTSource interface to allow LLDB to report accurate structure layout information to Clang. Previously we could only report the sizes of fields, not their offsets. This meant that if data structures included field alignment directives, we could not communicate the necessary alignment to Clang and accesses to the data would fail. Now we can (and I have update the relevant test case). Thanks to Doug Gregor for implementing the Clang side of this fix. - The way Objective-C interfaces are completed by Clang has been made consistent with RecordDecls; with help from Doug Gregor and Greg Clayton I have ensured that this still works. - I have eliminated all local LLVM and Clang patches, committing the ones that are still relevant to LLVM and Clang as needed. I have tested the changes extensively locally, but please let me know if they cause any trouble for you. llvm-svn: 149775
2012-02-04 16:49:35 +08:00
static const char *bad_result_error = "Result of expression is in bad memory";
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
bool
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
IRInterpreter::supportsFunction (Function &llvm_function,
lldb_private::Error &err)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
for (Function::iterator bbi = llvm_function.begin(), bbe = llvm_function.end();
bbi != bbe;
++bbi)
{
for (BasicBlock::iterator ii = bbi->begin(), ie = bbi->end();
ii != ie;
++ii)
{
switch (ii->getOpcode())
{
default:
{
if (log)
log->Printf("Unsupported instruction: %s", PrintValue(ii).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(unsupported_opcode_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
case Instruction::Add:
case Instruction::Alloca:
case Instruction::BitCast:
case Instruction::Br:
case Instruction::GetElementPtr:
break;
case Instruction::ICmp:
{
ICmpInst *icmp_inst = dyn_cast<ICmpInst>(ii);
if (!icmp_inst)
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
switch (icmp_inst->getPredicate())
{
default:
{
if (log)
log->Printf("Unsupported ICmp predicate: %s", PrintValue(ii).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(unsupported_opcode_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
case CmpInst::ICMP_EQ:
case CmpInst::ICMP_NE:
case CmpInst::ICMP_UGT:
case CmpInst::ICMP_UGE:
case CmpInst::ICMP_ULT:
case CmpInst::ICMP_ULE:
case CmpInst::ICMP_SGT:
case CmpInst::ICMP_SGE:
case CmpInst::ICMP_SLT:
case CmpInst::ICMP_SLE:
break;
}
}
break;
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
case Instruction::IntToPtr:
Added support for PtrToInt to the IR interpreter. <rdar://problem/12657742> llvm-svn: 169063
2012-12-01 08:09:34 +08:00
case Instruction::PtrToInt:
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
case Instruction::Load:
case Instruction::Mul:
case Instruction::Ret:
case Instruction::SDiv:
Added support for the modulus operator (%) to the IR interpreter. <rdar://problem/12921700> llvm-svn: 170934
2012-12-22 06:27:55 +08:00
case Instruction::SRem:
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
case Instruction::Store:
case Instruction::Sub:
case Instruction::UDiv:
Added support for the modulus operator (%) to the IR interpreter. <rdar://problem/12921700> llvm-svn: 170934
2012-12-22 06:27:55 +08:00
case Instruction::URem:
Implemented zext as a no-op cast in the IR interpreter. llvm-svn: 155360
2012-04-24 01:25:38 +08:00
case Instruction::ZExt:
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
break;
}
}
}
return true;
}
bool
IRInterpreter::runOnFunction (lldb::ClangExpressionVariableSP &result,
const lldb_private::ConstString &result_name,
lldb_private::TypeFromParser result_type,
Function &llvm_function,
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
Module &llvm_module,
lldb_private::Error &err)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
lldb_private::ClangExpressionDeclMap::TargetInfo target_info = m_decl_map.GetTargetInfo();
if (!target_info.IsValid())
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
err.SetErrorToGenericError();
err.SetErrorString(interpreter_initialization_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
lldb::addr_t alloc_min;
lldb::addr_t alloc_max;
switch (target_info.address_byte_size)
{
default:
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_initialization_error);
return false;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
case 4:
alloc_min = 0x00001000llu;
alloc_max = 0x0000ffffllu;
break;
case 8:
alloc_min = 0x0000000000001000llu;
alloc_max = 0x000000000000ffffllu;
break;
}
Move TargetData to DataLayout. llvm-svn: 165396
2012-10-09 00:28:57 +08:00
DataLayout target_data(&llvm_module);
Fixed the IR interaction layer to deal with a change in the LLDB target data API. llvm-svn: 165754
2012-10-12 06:00:52 +08:00
if (target_data.getPointerSize(0) != target_info.address_byte_size)
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
err.SetErrorToGenericError();
err.SetErrorString(interpreter_initialization_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (target_data.isLittleEndian() != (target_info.byte_order == lldb::eByteOrderLittle))
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
err.SetErrorToGenericError();
err.SetErrorString(interpreter_initialization_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Memory memory(target_data, m_decl_map, alloc_min, alloc_max);
InterpreterStackFrame frame(target_data, memory, m_decl_map);
uint32_t num_insts = 0;
frame.Jump(llvm_function.begin());
while (frame.m_ii != frame.m_ie && (++num_insts < 4096))
{
const Instruction *inst = frame.m_ii;
if (log)
log->Printf("Interpreting %s", PrintValue(inst).c_str());
switch (inst->getOpcode())
{
default:
break;
case Instruction::Add:
case Instruction::Sub:
case Instruction::Mul:
case Instruction::SDiv:
case Instruction::UDiv:
Added support for the modulus operator (%) to the IR interpreter. <rdar://problem/12921700> llvm-svn: 170934
2012-12-22 06:27:55 +08:00
case Instruction::SRem:
case Instruction::URem:
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
const BinaryOperator *bin_op = dyn_cast<BinaryOperator>(inst);
if (!bin_op)
{
if (log)
log->Printf("getOpcode() returns %s, but instruction is not a BinaryOperator", inst->getOpcodeName());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
return false;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
Value *lhs = inst->getOperand(0);
Value *rhs = inst->getOperand(1);
lldb_private::Scalar L;
lldb_private::Scalar R;
if (!frame.EvaluateValue(L, lhs, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(lhs).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
if (!frame.EvaluateValue(R, rhs, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(rhs).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
lldb_private::Scalar result;
switch (inst->getOpcode())
{
default:
break;
case Instruction::Add:
result = L + R;
break;
case Instruction::Mul:
result = L * R;
break;
case Instruction::Sub:
result = L - R;
break;
case Instruction::SDiv:
result = L / R;
break;
case Instruction::UDiv:
result = L.GetRawBits64(0) / R.GetRawBits64(1);
break;
Added support for the modulus operator (%) to the IR interpreter. <rdar://problem/12921700> llvm-svn: 170934
2012-12-22 06:27:55 +08:00
case Instruction::SRem:
result = L % R;
break;
case Instruction::URem:
result = L.GetRawBits64(0) % R.GetRawBits64(1);
break;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
frame.AssignValue(inst, result, llvm_module);
if (log)
{
log->Printf("Interpreted a %s", inst->getOpcodeName());
log->Printf(" L : %s", frame.SummarizeValue(lhs).c_str());
log->Printf(" R : %s", frame.SummarizeValue(rhs).c_str());
log->Printf(" = : %s", frame.SummarizeValue(inst).c_str());
}
}
break;
case Instruction::Alloca:
{
const AllocaInst *alloca_inst = dyn_cast<AllocaInst>(inst);
if (!alloca_inst)
{
if (log)
log->Printf("getOpcode() returns Alloca, but instruction is not an AllocaInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
if (alloca_inst->isArrayAllocation())
{
if (log)
log->Printf("AllocaInsts are not handled if isArrayAllocation() is true");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(unsupported_opcode_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
// The semantics of Alloca are:
// Create a region R of virtual memory of type T, backed by a data buffer
// Create a region P of virtual memory of type T*, backed by a data buffer
// Write the virtual address of R into P
Type *T = alloca_inst->getAllocatedType();
Type *Tptr = alloca_inst->getType();
Memory::Region R = memory.Malloc(T);
if (R.IsInvalid())
{
if (log)
log->Printf("Couldn't allocate memory for an AllocaInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(memory_allocation_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
Memory::Region P = memory.Malloc(Tptr);
if (P.IsInvalid())
{
if (log)
log->Printf("Couldn't allocate the result pointer for an AllocaInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(memory_allocation_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
DataEncoderSP P_encoder = memory.GetEncoder(P);
if (P_encoder->PutAddress(0, R.m_base) == UINT32_MAX)
{
if (log)
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
log->Printf("Couldn't write the result pointer for an AllocaInst");
err.SetErrorToGenericError();
err.SetErrorString(memory_write_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
frame.m_values[alloca_inst] = P;
if (log)
{
log->Printf("Interpreted an AllocaInst");
log->Printf(" R : %s", memory.SummarizeRegion(R).c_str());
log->Printf(" P : %s", frame.SummarizeValue(alloca_inst).c_str());
}
}
break;
case Instruction::BitCast:
Implemented zext as a no-op cast in the IR interpreter. llvm-svn: 155360
2012-04-24 01:25:38 +08:00
case Instruction::ZExt:
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
Implemented zext as a no-op cast in the IR interpreter. llvm-svn: 155360
2012-04-24 01:25:38 +08:00
const CastInst *cast_inst = dyn_cast<CastInst>(inst);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Implemented zext as a no-op cast in the IR interpreter. llvm-svn: 155360
2012-04-24 01:25:38 +08:00
if (!cast_inst)
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
if (log)
Implemented zext as a no-op cast in the IR interpreter. llvm-svn: 155360
2012-04-24 01:25:38 +08:00
log->Printf("getOpcode() returns %s, but instruction is not a BitCastInst", cast_inst->getOpcodeName());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
Implemented zext as a no-op cast in the IR interpreter. llvm-svn: 155360
2012-04-24 01:25:38 +08:00
Value *source = cast_inst->getOperand(0);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
lldb_private::Scalar S;
if (!frame.EvaluateValue(S, source, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(source).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
frame.AssignValue(inst, S, llvm_module);
}
break;
case Instruction::Br:
{
const BranchInst *br_inst = dyn_cast<BranchInst>(inst);
if (!br_inst)
{
if (log)
log->Printf("getOpcode() returns Br, but instruction is not a BranchInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
if (br_inst->isConditional())
{
Value *condition = br_inst->getCondition();
lldb_private::Scalar C;
if (!frame.EvaluateValue(C, condition, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(condition).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
if (C.GetRawBits64(0))
frame.Jump(br_inst->getSuccessor(0));
else
frame.Jump(br_inst->getSuccessor(1));
if (log)
{
log->Printf("Interpreted a BrInst with a condition");
log->Printf(" cond : %s", frame.SummarizeValue(condition).c_str());
}
}
else
{
frame.Jump(br_inst->getSuccessor(0));
if (log)
{
log->Printf("Interpreted a BrInst with no condition");
}
}
}
continue;
case Instruction::GetElementPtr:
{
const GetElementPtrInst *gep_inst = dyn_cast<GetElementPtrInst>(inst);
if (!gep_inst)
{
if (log)
log->Printf("getOpcode() returns GetElementPtr, but instruction is not a GetElementPtrInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
const Value *pointer_operand = gep_inst->getPointerOperand();
Type *pointer_type = pointer_operand->getType();
lldb_private::Scalar P;
if (!frame.EvaluateValue(P, pointer_operand, llvm_module))
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(pointer_operand).c_str());
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
Made the IR interpreter handle GetElementPtr instructions with non-constant indexes. llvm-svn: 151734
2012-03-01 01:57:18 +08:00
typedef SmallVector <Value *, 8> IndexVector;
typedef IndexVector::iterator IndexIterator;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
SmallVector <Value *, 8> indices (gep_inst->idx_begin(),
gep_inst->idx_end());
Made the IR interpreter handle GetElementPtr instructions with non-constant indexes. llvm-svn: 151734
2012-03-01 01:57:18 +08:00
SmallVector <Value *, 8> const_indices;
for (IndexIterator ii = indices.begin(), ie = indices.end();
ii != ie;
++ii)
{
ConstantInt *constant_index = dyn_cast<ConstantInt>(*ii);
if (!constant_index)
{
lldb_private::Scalar I;
if (!frame.EvaluateValue(I, *ii, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(*ii).c_str());
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
return false;
}
if (log)
log->Printf("Evaluated constant index %s as %llu", PrintValue(*ii).c_str(), I.ULongLong(LLDB_INVALID_ADDRESS));
constant_index = cast<ConstantInt>(ConstantInt::get((*ii)->getType(), I.ULongLong(LLDB_INVALID_ADDRESS)));
}
const_indices.push_back(constant_index);
}
uint64_t offset = target_data.getIndexedOffset(pointer_type, const_indices);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
lldb_private::Scalar Poffset = P + offset;
frame.AssignValue(inst, Poffset, llvm_module);
if (log)
{
log->Printf("Interpreted a GetElementPtrInst");
log->Printf(" P : %s", frame.SummarizeValue(pointer_operand).c_str());
log->Printf(" Poffset : %s", frame.SummarizeValue(inst).c_str());
}
}
break;
case Instruction::ICmp:
{
const ICmpInst *icmp_inst = dyn_cast<ICmpInst>(inst);
if (!icmp_inst)
{
if (log)
log->Printf("getOpcode() returns ICmp, but instruction is not an ICmpInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
CmpInst::Predicate predicate = icmp_inst->getPredicate();
Value *lhs = inst->getOperand(0);
Value *rhs = inst->getOperand(1);
lldb_private::Scalar L;
lldb_private::Scalar R;
if (!frame.EvaluateValue(L, lhs, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(lhs).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
if (!frame.EvaluateValue(R, rhs, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(rhs).c_str());
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
lldb_private::Scalar result;
switch (predicate)
{
default:
return false;
case CmpInst::ICMP_EQ:
result = (L == R);
break;
case CmpInst::ICMP_NE:
result = (L != R);
break;
case CmpInst::ICMP_UGT:
result = (L.GetRawBits64(0) > R.GetRawBits64(0));
break;
case CmpInst::ICMP_UGE:
result = (L.GetRawBits64(0) >= R.GetRawBits64(0));
break;
case CmpInst::ICMP_ULT:
result = (L.GetRawBits64(0) < R.GetRawBits64(0));
break;
case CmpInst::ICMP_ULE:
result = (L.GetRawBits64(0) <= R.GetRawBits64(0));
break;
case CmpInst::ICMP_SGT:
result = (L > R);
break;
case CmpInst::ICMP_SGE:
result = (L >= R);
break;
case CmpInst::ICMP_SLT:
result = (L < R);
break;
case CmpInst::ICMP_SLE:
result = (L <= R);
break;
}
frame.AssignValue(inst, result, llvm_module);
if (log)
{
log->Printf("Interpreted an ICmpInst");
log->Printf(" L : %s", frame.SummarizeValue(lhs).c_str());
log->Printf(" R : %s", frame.SummarizeValue(rhs).c_str());
log->Printf(" = : %s", frame.SummarizeValue(inst).c_str());
}
}
break;
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
case Instruction::IntToPtr:
{
const IntToPtrInst *int_to_ptr_inst = dyn_cast<IntToPtrInst>(inst);
if (!int_to_ptr_inst)
{
if (log)
log->Printf("getOpcode() returns IntToPtr, but instruction is not an IntToPtrInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return false;
}
Value *src_operand = int_to_ptr_inst->getOperand(0);
lldb_private::Scalar I;
if (!frame.EvaluateValue(I, src_operand, llvm_module))
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(src_operand).c_str());
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
frame.AssignValue(inst, I, llvm_module);
if (log)
{
log->Printf("Interpreted an IntToPtr");
log->Printf(" Src : %s", frame.SummarizeValue(src_operand).c_str());
log->Printf(" = : %s", frame.SummarizeValue(inst).c_str());
}
}
break;
Added support for PtrToInt to the IR interpreter. <rdar://problem/12657742> llvm-svn: 169063
2012-12-01 08:09:34 +08:00
case Instruction::PtrToInt:
{
const PtrToIntInst *ptr_to_int_inst = dyn_cast<PtrToIntInst>(inst);
if (!ptr_to_int_inst)
{
if (log)
log->Printf("getOpcode() returns PtrToInt, but instruction is not an PtrToIntInst");
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
return false;
}
Value *src_operand = ptr_to_int_inst->getOperand(0);
lldb_private::Scalar I;
if (!frame.EvaluateValue(I, src_operand, llvm_module))
{
if (log)
log->Printf("Couldn't evaluate %s", PrintValue(src_operand).c_str());
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
return false;
}
frame.AssignValue(inst, I, llvm_module);
if (log)
{
log->Printf("Interpreted a PtrToInt");
log->Printf(" Src : %s", frame.SummarizeValue(src_operand).c_str());
log->Printf(" = : %s", frame.SummarizeValue(inst).c_str());
}
}
break;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
case Instruction::Load:
{
const LoadInst *load_inst = dyn_cast<LoadInst>(inst);
if (!load_inst)
{
if (log)
log->Printf("getOpcode() returns Load, but instruction is not a LoadInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
// The semantics of Load are:
// Create a region D that will contain the loaded data
// Resolve the region P containing a pointer
// Dereference P to get the region R that the data should be loaded from
// Transfer a unit of type type(D) from R to D
const Value *pointer_operand = load_inst->getPointerOperand();
Type *pointer_ty = pointer_operand->getType();
PointerType *pointer_ptr_ty = dyn_cast<PointerType>(pointer_ty);
if (!pointer_ptr_ty)
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
if (log)
log->Printf("getPointerOperand()->getType() is not a PointerType");
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
Type *target_ty = pointer_ptr_ty->getElementType();
Memory::Region D = frame.ResolveValue(load_inst, llvm_module);
Memory::Region P = frame.ResolveValue(pointer_operand, llvm_module);
if (D.IsInvalid())
{
if (log)
log->Printf("LoadInst's value doesn't resolve to anything");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
if (P.IsInvalid())
{
if (log)
log->Printf("LoadInst's pointer doesn't resolve to anything");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
DataExtractorSP P_extractor(memory.GetExtractor(P));
DataEncoderSP D_encoder(memory.GetEncoder(D));
uint32_t offset = 0;
lldb::addr_t pointer = P_extractor->GetAddress(&offset);
Memory::Region R = memory.Lookup(pointer, target_ty);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
if (R.IsValid())
{
if (!memory.Read(D_encoder->GetDataStart(), R.m_base, target_data.getTypeStoreSize(target_ty)))
{
if (log)
log->Printf("Couldn't read from a region on behalf of a LoadInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(memory_read_error);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return false;
}
}
else
{
if (!memory.ReadFromRawPtr(D_encoder->GetDataStart(), pointer, target_data.getTypeStoreSize(target_ty)))
{
if (log)
log->Printf("Couldn't read from a raw pointer on behalf of a LoadInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(memory_read_error);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return false;
}
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
if (log)
{
log->Printf("Interpreted a LoadInst");
log->Printf(" P : %s", frame.SummarizeValue(pointer_operand).c_str());
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
if (R.IsValid())
log->Printf(" R : %s", memory.SummarizeRegion(R).c_str());
else
log->Printf(" R : raw pointer 0x%llx", (unsigned long long)pointer);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
log->Printf(" D : %s", frame.SummarizeValue(load_inst).c_str());
}
}
break;
case Instruction::Ret:
{
if (result_name.IsEmpty())
return true;
GlobalValue *result_value = llvm_module.getNamedValue(result_name.GetCString());
I have brought LLDB up-to-date with top of tree LLVM/Clang. This brings in several fixes, including: - Improvements in the Just-In-Time compiler's allocation of memory: the JIT now allocates memory in chunks of sections, improving its ability to generate relocations. I have revamped the RecordingMemoryManager to reflect these changes, as well as to get the memory allocation and data copying out fo the ClangExpressionParser code. Jim Grosbach wrote the updates to the JIT on the LLVM side. - A new ExternalASTSource interface to allow LLDB to report accurate structure layout information to Clang. Previously we could only report the sizes of fields, not their offsets. This meant that if data structures included field alignment directives, we could not communicate the necessary alignment to Clang and accesses to the data would fail. Now we can (and I have update the relevant test case). Thanks to Doug Gregor for implementing the Clang side of this fix. - The way Objective-C interfaces are completed by Clang has been made consistent with RecordDecls; with help from Doug Gregor and Greg Clayton I have ensured that this still works. - I have eliminated all local LLVM and Clang patches, committing the ones that are still relevant to LLVM and Clang as needed. I have tested the changes extensively locally, but please let me know if they cause any trouble for you. llvm-svn: 149775
2012-02-04 16:49:35 +08:00
if (!frame.ConstructResult(result, result_value, result_name, result_type, llvm_module))
{
if (log)
log->Printf("Couldn't construct the expression's result");
err.SetErrorToGenericError();
err.SetErrorString(bad_result_error);
return false;
}
return true;
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
case Instruction::Store:
{
const StoreInst *store_inst = dyn_cast<StoreInst>(inst);
if (!store_inst)
{
if (log)
log->Printf("getOpcode() returns Store, but instruction is not a StoreInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(interpreter_internal_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
// The semantics of Store are:
// Resolve the region D containing the data to be stored
// Resolve the region P containing a pointer
// Dereference P to get the region R that the data should be stored in
// Transfer a unit of type type(D) from D to R
const Value *value_operand = store_inst->getValueOperand();
const Value *pointer_operand = store_inst->getPointerOperand();
Type *pointer_ty = pointer_operand->getType();
PointerType *pointer_ptr_ty = dyn_cast<PointerType>(pointer_ty);
if (!pointer_ptr_ty)
return false;
Type *target_ty = pointer_ptr_ty->getElementType();
Memory::Region D = frame.ResolveValue(value_operand, llvm_module);
Memory::Region P = frame.ResolveValue(pointer_operand, llvm_module);
if (D.IsInvalid())
{
if (log)
log->Printf("StoreInst's value doesn't resolve to anything");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
if (P.IsInvalid())
{
if (log)
log->Printf("StoreInst's pointer doesn't resolve to anything");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(bad_value_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
}
DataExtractorSP P_extractor(memory.GetExtractor(P));
DataExtractorSP D_extractor(memory.GetExtractor(D));
if (!P_extractor || !D_extractor)
return false;
uint32_t offset = 0;
lldb::addr_t pointer = P_extractor->GetAddress(&offset);
Memory::Region R = memory.Lookup(pointer, target_ty);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
if (R.IsValid())
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
{
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
if (!memory.Write(R.m_base, D_extractor->GetDataStart(), target_data.getTypeStoreSize(target_ty)))
{
if (log)
log->Printf("Couldn't write to a region on behalf of a LoadInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(memory_write_error);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return false;
}
}
else
{
if (!memory.WriteToRawPtr(pointer, D_extractor->GetDataStart(), target_data.getTypeStoreSize(target_ty)))
{
if (log)
log->Printf("Couldn't write to a raw pointer on behalf of a LoadInst");
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
err.SetErrorToGenericError();
err.SetErrorString(memory_write_error);
Made the IR interpreter more robust in the presence of arbitrary pointers, allowing direct dereferences of literal addresses. Also disabled special-cased generation of certain expression results (especially casts), substituting the IR interpreter. llvm-svn: 142638
2011-10-21 13:18:02 +08:00
return false;
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
}
if (log)
{
log->Printf("Interpreted a StoreInst");
log->Printf(" D : %s", frame.SummarizeValue(value_operand).c_str());
log->Printf(" P : %s", frame.SummarizeValue(pointer_operand).c_str());
log->Printf(" R : %s", memory.SummarizeRegion(R).c_str());
}
}
break;
}
++frame.m_ii;
}
if (num_insts >= 4096)
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
{
err.SetErrorToGenericError();
err.SetErrorString(infinite_loop_error);
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Added a mechanism for the IR interpreter to return an error along with its boolean result. The expression parser reports this error if the interpreter fails and the expression could not be run in the target. llvm-svn: 148870
2012-01-25 06:06:48 +08:00
}
This patch modifies the expression parser to allow it to execute expressions even in the absence of a process. This allows expressions to run in situations where the target cannot run -- e.g., to perform calculations based on type information, or to inspect a binary's static data. This modification touches the following files: lldb-private-enumerations.h Introduce a new enum specifying the policy for processing an expression. Some expressions should always be JITted, for example if they are functions that will be used over and over again. Some expressions should always be interpreted, for example if the target is unsafe to run. For most, it is acceptable to JIT them, but interpretation is preferable when possible. Target.[h,cpp] Have EvaluateExpression now accept the new enum. ClangExpressionDeclMap.[cpp,h] Add support for the IR interpreter and also make the ClangExpressionDeclMap more robust in the absence of a process. ClangFunction.[cpp,h] Add support for the new enum. IRInterpreter.[cpp,h] New implementation. ClangUserExpression.[cpp,h] Add support for the new enum, and for running expressions in the absence of a process. ClangExpression.h Remove references to the old DWARF-based method of evaluating expressions, because it has been superseded for now. ClangUtilityFunction.[cpp,h] Add support for the new enum. ClangExpressionParser.[cpp,h] Add support for the new enum, remove references to DWARF, and add support for checking whether the expression could be evaluated statically. IRForTarget.[h,cpp] Add support for the new enum, and add utility functions to support the interpreter. IRToDWARF.cpp Removed CommandObjectExpression.cpp Remove references to the obsolete -i option. Process.cpp Modify calls to ClangUserExpression::Evaluate to pass the correct enum (for dlopen/dlclose) SBValue.cpp Add support for the new enum. SBFrame.cpp Add support for he new enum. BreakpointOptions.cpp Add support for the new enum. llvm-svn: 139772
2011-09-15 10:13:07 +08:00
return false;
Fix preprocessor warnings for no newline at the end of the source files. llvm-svn: 141755
2011-10-12 08:53:29 +08:00
}