forked from OSchip/llvm-project
1831 lines
63 KiB
C++
1831 lines
63 KiB
C++
//===-- Module.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/lldb-python.h"
|
|
|
|
#include "lldb/Core/AddressResolverFileLine.h"
|
|
#include "lldb/Core/Error.h"
|
|
#include "lldb/Core/Module.h"
|
|
#include "lldb/Core/DataBuffer.h"
|
|
#include "lldb/Core/DataBufferHeap.h"
|
|
#include "lldb/Core/Log.h"
|
|
#include "lldb/Core/ModuleList.h"
|
|
#include "lldb/Core/ModuleSpec.h"
|
|
#include "lldb/Core/RegularExpression.h"
|
|
#include "lldb/Core/Section.h"
|
|
#include "lldb/Core/StreamString.h"
|
|
#include "lldb/Core/Timer.h"
|
|
#include "lldb/Host/Host.h"
|
|
#include "lldb/Host/Symbols.h"
|
|
#include "lldb/Interpreter/CommandInterpreter.h"
|
|
#include "lldb/Interpreter/ScriptInterpreter.h"
|
|
#include "lldb/lldb-private-log.h"
|
|
#include "lldb/Symbol/CompileUnit.h"
|
|
#include "lldb/Symbol/ObjectFile.h"
|
|
#include "lldb/Symbol/SymbolContext.h"
|
|
#include "lldb/Symbol/SymbolVendor.h"
|
|
#include "lldb/Target/CPPLanguageRuntime.h"
|
|
#include "lldb/Target/ObjCLanguageRuntime.h"
|
|
#include "lldb/Target/Process.h"
|
|
#include "lldb/Target/SectionLoadList.h"
|
|
#include "lldb/Target/Target.h"
|
|
#include "lldb/Symbol/SymbolFile.h"
|
|
|
|
#include "Plugins/ObjectFile/JIT/ObjectFileJIT.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
// Shared pointers to modules track module lifetimes in
|
|
// targets and in the global module, but this collection
|
|
// will track all module objects that are still alive
|
|
typedef std::vector<Module *> ModuleCollection;
|
|
|
|
static ModuleCollection &
|
|
GetModuleCollection()
|
|
{
|
|
// This module collection needs to live past any module, so we could either make it a
|
|
// shared pointer in each module or just leak is. Since it is only an empty vector by
|
|
// the time all the modules have gone away, we just leak it for now. If we decide this
|
|
// is a big problem we can introduce a Finalize method that will tear everything down in
|
|
// a predictable order.
|
|
|
|
static ModuleCollection *g_module_collection = NULL;
|
|
if (g_module_collection == NULL)
|
|
g_module_collection = new ModuleCollection();
|
|
|
|
return *g_module_collection;
|
|
}
|
|
|
|
Mutex *
|
|
Module::GetAllocationModuleCollectionMutex()
|
|
{
|
|
// NOTE: The mutex below must be leaked since the global module list in
|
|
// the ModuleList class will get torn at some point, and we can't know
|
|
// if it will tear itself down before the "g_module_collection_mutex" below
|
|
// will. So we leak a Mutex object below to safeguard against that
|
|
|
|
static Mutex *g_module_collection_mutex = NULL;
|
|
if (g_module_collection_mutex == NULL)
|
|
g_module_collection_mutex = new Mutex (Mutex::eMutexTypeRecursive); // NOTE: known leak
|
|
return g_module_collection_mutex;
|
|
}
|
|
|
|
size_t
|
|
Module::GetNumberAllocatedModules ()
|
|
{
|
|
Mutex::Locker locker (GetAllocationModuleCollectionMutex());
|
|
return GetModuleCollection().size();
|
|
}
|
|
|
|
Module *
|
|
Module::GetAllocatedModuleAtIndex (size_t idx)
|
|
{
|
|
Mutex::Locker locker (GetAllocationModuleCollectionMutex());
|
|
ModuleCollection &modules = GetModuleCollection();
|
|
if (idx < modules.size())
|
|
return modules[idx];
|
|
return NULL;
|
|
}
|
|
#if 0
|
|
|
|
// These functions help us to determine if modules are still loaded, yet don't require that
|
|
// you have a command interpreter and can easily be called from an external debugger.
|
|
namespace lldb {
|
|
|
|
void
|
|
ClearModuleInfo (void)
|
|
{
|
|
const bool mandatory = true;
|
|
ModuleList::RemoveOrphanSharedModules(mandatory);
|
|
}
|
|
|
|
void
|
|
DumpModuleInfo (void)
|
|
{
|
|
Mutex::Locker locker (Module::GetAllocationModuleCollectionMutex());
|
|
ModuleCollection &modules = GetModuleCollection();
|
|
const size_t count = modules.size();
|
|
printf ("%s: %" PRIu64 " modules:\n", __PRETTY_FUNCTION__, (uint64_t)count);
|
|
for (size_t i=0; i<count; ++i)
|
|
{
|
|
|
|
StreamString strm;
|
|
Module *module = modules[i];
|
|
const bool in_shared_module_list = ModuleList::ModuleIsInCache (module);
|
|
module->GetDescription(&strm, eDescriptionLevelFull);
|
|
printf ("%p: shared = %i, ref_count = %3u, module = %s\n",
|
|
module,
|
|
in_shared_module_list,
|
|
(uint32_t)module->use_count(),
|
|
strm.GetString().c_str());
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
Module::Module (const ModuleSpec &module_spec) :
|
|
m_mutex (Mutex::eMutexTypeRecursive),
|
|
m_mod_time (),
|
|
m_arch (),
|
|
m_uuid (),
|
|
m_file (),
|
|
m_platform_file(),
|
|
m_remote_install_file(),
|
|
m_symfile_spec (),
|
|
m_object_name (),
|
|
m_object_offset (),
|
|
m_object_mod_time (),
|
|
m_objfile_sp (),
|
|
m_symfile_ap (),
|
|
m_ast (),
|
|
m_source_mappings (),
|
|
m_sections_ap(),
|
|
m_did_load_objfile (false),
|
|
m_did_load_symbol_vendor (false),
|
|
m_did_parse_uuid (false),
|
|
m_did_init_ast (false),
|
|
m_is_dynamic_loader_module (false),
|
|
m_file_has_changed (false),
|
|
m_first_file_changed_log (false)
|
|
{
|
|
// Scope for locker below...
|
|
{
|
|
Mutex::Locker locker (GetAllocationModuleCollectionMutex());
|
|
GetModuleCollection().push_back(this);
|
|
}
|
|
|
|
Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES));
|
|
if (log)
|
|
log->Printf ("%p Module::Module((%s) '%s%s%s%s')",
|
|
static_cast<void*>(this),
|
|
module_spec.GetArchitecture().GetArchitectureName(),
|
|
module_spec.GetFileSpec().GetPath().c_str(),
|
|
module_spec.GetObjectName().IsEmpty() ? "" : "(",
|
|
module_spec.GetObjectName().IsEmpty() ? "" : module_spec.GetObjectName().AsCString(""),
|
|
module_spec.GetObjectName().IsEmpty() ? "" : ")");
|
|
|
|
// First extract all module specifications from the file using the local
|
|
// file path. If there are no specifications, then don't fill anything in
|
|
ModuleSpecList modules_specs;
|
|
if (ObjectFile::GetModuleSpecifications(module_spec.GetFileSpec(), 0, 0, modules_specs) == 0)
|
|
return;
|
|
|
|
// Now make sure that one of the module specifications matches what we just
|
|
// extract. We might have a module specification that specifies a file "/usr/lib/dyld"
|
|
// with UUID XXX, but we might have a local version of "/usr/lib/dyld" that has
|
|
// UUID YYY and we don't want those to match. If they don't match, just don't
|
|
// fill any ivars in so we don't accidentally grab the wrong file later since
|
|
// they don't match...
|
|
ModuleSpec matching_module_spec;
|
|
if (modules_specs.FindMatchingModuleSpec(module_spec, matching_module_spec) == 0)
|
|
return;
|
|
|
|
if (module_spec.GetFileSpec())
|
|
m_mod_time = module_spec.GetFileSpec().GetModificationTime();
|
|
else if (matching_module_spec.GetFileSpec())
|
|
m_mod_time = matching_module_spec.GetFileSpec().GetModificationTime();
|
|
|
|
// Copy the architecture from the actual spec if we got one back, else use the one that was specified
|
|
if (matching_module_spec.GetArchitecture().IsValid())
|
|
m_arch = matching_module_spec.GetArchitecture();
|
|
else if (module_spec.GetArchitecture().IsValid())
|
|
m_arch = module_spec.GetArchitecture();
|
|
|
|
// Copy the file spec over and use the specified one (if there was one) so we
|
|
// don't use a path that might have gotten resolved a path in 'matching_module_spec'
|
|
if (module_spec.GetFileSpec())
|
|
m_file = module_spec.GetFileSpec();
|
|
else if (matching_module_spec.GetFileSpec())
|
|
m_file = matching_module_spec.GetFileSpec();
|
|
|
|
// Copy the platform file spec over
|
|
if (module_spec.GetPlatformFileSpec())
|
|
m_platform_file = module_spec.GetPlatformFileSpec();
|
|
else if (matching_module_spec.GetPlatformFileSpec())
|
|
m_platform_file = matching_module_spec.GetPlatformFileSpec();
|
|
|
|
// Copy the symbol file spec over
|
|
if (module_spec.GetSymbolFileSpec())
|
|
m_symfile_spec = module_spec.GetSymbolFileSpec();
|
|
else if (matching_module_spec.GetSymbolFileSpec())
|
|
m_symfile_spec = matching_module_spec.GetSymbolFileSpec();
|
|
|
|
// Copy the object name over
|
|
if (matching_module_spec.GetObjectName())
|
|
m_object_name = matching_module_spec.GetObjectName();
|
|
else
|
|
m_object_name = module_spec.GetObjectName();
|
|
|
|
// Always trust the object offset (file offset) and object modification
|
|
// time (for mod time in a BSD static archive) of from the matching
|
|
// module specification
|
|
m_object_offset = matching_module_spec.GetObjectOffset();
|
|
m_object_mod_time = matching_module_spec.GetObjectModificationTime();
|
|
|
|
}
|
|
|
|
Module::Module(const FileSpec& file_spec,
|
|
const ArchSpec& arch,
|
|
const ConstString *object_name,
|
|
lldb::offset_t object_offset,
|
|
const TimeValue *object_mod_time_ptr) :
|
|
m_mutex (Mutex::eMutexTypeRecursive),
|
|
m_mod_time (file_spec.GetModificationTime()),
|
|
m_arch (arch),
|
|
m_uuid (),
|
|
m_file (file_spec),
|
|
m_platform_file(),
|
|
m_remote_install_file (),
|
|
m_symfile_spec (),
|
|
m_object_name (),
|
|
m_object_offset (object_offset),
|
|
m_object_mod_time (),
|
|
m_objfile_sp (),
|
|
m_symfile_ap (),
|
|
m_ast (),
|
|
m_source_mappings (),
|
|
m_sections_ap(),
|
|
m_did_load_objfile (false),
|
|
m_did_load_symbol_vendor (false),
|
|
m_did_parse_uuid (false),
|
|
m_did_init_ast (false),
|
|
m_is_dynamic_loader_module (false),
|
|
m_file_has_changed (false),
|
|
m_first_file_changed_log (false)
|
|
{
|
|
// Scope for locker below...
|
|
{
|
|
Mutex::Locker locker (GetAllocationModuleCollectionMutex());
|
|
GetModuleCollection().push_back(this);
|
|
}
|
|
|
|
if (object_name)
|
|
m_object_name = *object_name;
|
|
|
|
if (object_mod_time_ptr)
|
|
m_object_mod_time = *object_mod_time_ptr;
|
|
|
|
Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES));
|
|
if (log)
|
|
log->Printf ("%p Module::Module((%s) '%s%s%s%s')",
|
|
static_cast<void*>(this), m_arch.GetArchitectureName(),
|
|
m_file.GetPath().c_str(),
|
|
m_object_name.IsEmpty() ? "" : "(",
|
|
m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""),
|
|
m_object_name.IsEmpty() ? "" : ")");
|
|
}
|
|
|
|
Module::Module () :
|
|
m_mutex (Mutex::eMutexTypeRecursive),
|
|
m_mod_time (),
|
|
m_arch (),
|
|
m_uuid (),
|
|
m_file (),
|
|
m_platform_file(),
|
|
m_remote_install_file (),
|
|
m_symfile_spec (),
|
|
m_object_name (),
|
|
m_object_offset (0),
|
|
m_object_mod_time (),
|
|
m_objfile_sp (),
|
|
m_symfile_ap (),
|
|
m_ast (),
|
|
m_source_mappings (),
|
|
m_sections_ap(),
|
|
m_did_load_objfile (false),
|
|
m_did_load_symbol_vendor (false),
|
|
m_did_parse_uuid (false),
|
|
m_did_init_ast (false),
|
|
m_is_dynamic_loader_module (false),
|
|
m_file_has_changed (false),
|
|
m_first_file_changed_log (false)
|
|
{
|
|
Mutex::Locker locker (GetAllocationModuleCollectionMutex());
|
|
GetModuleCollection().push_back(this);
|
|
}
|
|
|
|
Module::~Module()
|
|
{
|
|
// Lock our module down while we tear everything down to make sure
|
|
// we don't get any access to the module while it is being destroyed
|
|
Mutex::Locker locker (m_mutex);
|
|
// Scope for locker below...
|
|
{
|
|
Mutex::Locker locker (GetAllocationModuleCollectionMutex());
|
|
ModuleCollection &modules = GetModuleCollection();
|
|
ModuleCollection::iterator end = modules.end();
|
|
ModuleCollection::iterator pos = std::find(modules.begin(), end, this);
|
|
assert (pos != end);
|
|
modules.erase(pos);
|
|
}
|
|
Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES));
|
|
if (log)
|
|
log->Printf ("%p Module::~Module((%s) '%s%s%s%s')",
|
|
static_cast<void*>(this),
|
|
m_arch.GetArchitectureName(),
|
|
m_file.GetPath().c_str(),
|
|
m_object_name.IsEmpty() ? "" : "(",
|
|
m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""),
|
|
m_object_name.IsEmpty() ? "" : ")");
|
|
// Release any auto pointers before we start tearing down our member
|
|
// variables since the object file and symbol files might need to make
|
|
// function calls back into this module object. The ordering is important
|
|
// here because symbol files can require the module object file. So we tear
|
|
// down the symbol file first, then the object file.
|
|
m_sections_ap.reset();
|
|
m_symfile_ap.reset();
|
|
m_objfile_sp.reset();
|
|
}
|
|
|
|
ObjectFile *
|
|
Module::GetMemoryObjectFile (const lldb::ProcessSP &process_sp, lldb::addr_t header_addr, Error &error, size_t size_to_read)
|
|
{
|
|
if (m_objfile_sp)
|
|
{
|
|
error.SetErrorString ("object file already exists");
|
|
}
|
|
else
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
if (process_sp)
|
|
{
|
|
m_did_load_objfile = true;
|
|
std::unique_ptr<DataBufferHeap> data_ap (new DataBufferHeap (size_to_read, 0));
|
|
Error readmem_error;
|
|
const size_t bytes_read = process_sp->ReadMemory (header_addr,
|
|
data_ap->GetBytes(),
|
|
data_ap->GetByteSize(),
|
|
readmem_error);
|
|
if (bytes_read == size_to_read)
|
|
{
|
|
DataBufferSP data_sp(data_ap.release());
|
|
m_objfile_sp = ObjectFile::FindPlugin(shared_from_this(), process_sp, header_addr, data_sp);
|
|
if (m_objfile_sp)
|
|
{
|
|
StreamString s;
|
|
s.Printf("0x%16.16" PRIx64, header_addr);
|
|
m_object_name.SetCString (s.GetData());
|
|
|
|
// Once we get the object file, update our module with the object file's
|
|
// architecture since it might differ in vendor/os if some parts were
|
|
// unknown.
|
|
m_objfile_sp->GetArchitecture (m_arch);
|
|
}
|
|
else
|
|
{
|
|
error.SetErrorString ("unable to find suitable object file plug-in");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error.SetErrorStringWithFormat ("unable to read header from memory: %s", readmem_error.AsCString());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error.SetErrorString ("invalid process");
|
|
}
|
|
}
|
|
return m_objfile_sp.get();
|
|
}
|
|
|
|
|
|
const lldb_private::UUID&
|
|
Module::GetUUID()
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
if (m_did_parse_uuid == false)
|
|
{
|
|
ObjectFile * obj_file = GetObjectFile ();
|
|
|
|
if (obj_file != NULL)
|
|
{
|
|
obj_file->GetUUID(&m_uuid);
|
|
m_did_parse_uuid = true;
|
|
}
|
|
}
|
|
return m_uuid;
|
|
}
|
|
|
|
ClangASTContext &
|
|
Module::GetClangASTContext ()
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
if (m_did_init_ast == false)
|
|
{
|
|
ObjectFile * objfile = GetObjectFile();
|
|
ArchSpec object_arch;
|
|
if (objfile && objfile->GetArchitecture(object_arch))
|
|
{
|
|
m_did_init_ast = true;
|
|
|
|
// LLVM wants this to be set to iOS or MacOSX; if we're working on
|
|
// a bare-boards type image, change the triple for llvm's benefit.
|
|
if (object_arch.GetTriple().getVendor() == llvm::Triple::Apple
|
|
&& object_arch.GetTriple().getOS() == llvm::Triple::UnknownOS)
|
|
{
|
|
if (object_arch.GetTriple().getArch() == llvm::Triple::arm ||
|
|
object_arch.GetTriple().getArch() == llvm::Triple::aarch64 ||
|
|
object_arch.GetTriple().getArch() == llvm::Triple::thumb)
|
|
{
|
|
object_arch.GetTriple().setOS(llvm::Triple::IOS);
|
|
}
|
|
else
|
|
{
|
|
object_arch.GetTriple().setOS(llvm::Triple::MacOSX);
|
|
}
|
|
}
|
|
m_ast.SetArchitecture (object_arch);
|
|
}
|
|
}
|
|
return m_ast;
|
|
}
|
|
|
|
void
|
|
Module::ParseAllDebugSymbols()
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
size_t num_comp_units = GetNumCompileUnits();
|
|
if (num_comp_units == 0)
|
|
return;
|
|
|
|
SymbolContext sc;
|
|
sc.module_sp = shared_from_this();
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
|
|
for (size_t cu_idx = 0; cu_idx < num_comp_units; cu_idx++)
|
|
{
|
|
sc.comp_unit = symbols->GetCompileUnitAtIndex(cu_idx).get();
|
|
if (sc.comp_unit)
|
|
{
|
|
sc.function = NULL;
|
|
symbols->ParseVariablesForContext(sc);
|
|
|
|
symbols->ParseCompileUnitFunctions(sc);
|
|
|
|
for (size_t func_idx = 0; (sc.function = sc.comp_unit->GetFunctionAtIndex(func_idx).get()) != NULL; ++func_idx)
|
|
{
|
|
symbols->ParseFunctionBlocks(sc);
|
|
|
|
// Parse the variables for this function and all its blocks
|
|
symbols->ParseVariablesForContext(sc);
|
|
}
|
|
|
|
|
|
// Parse all types for this compile unit
|
|
sc.function = NULL;
|
|
symbols->ParseTypes(sc);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::CalculateSymbolContext(SymbolContext* sc)
|
|
{
|
|
sc->module_sp = shared_from_this();
|
|
}
|
|
|
|
ModuleSP
|
|
Module::CalculateSymbolContextModule ()
|
|
{
|
|
return shared_from_this();
|
|
}
|
|
|
|
void
|
|
Module::DumpSymbolContext(Stream *s)
|
|
{
|
|
s->Printf(", Module{%p}", static_cast<void*>(this));
|
|
}
|
|
|
|
size_t
|
|
Module::GetNumCompileUnits()
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::GetNumCompileUnits (module = %p)",
|
|
static_cast<void*>(this));
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
return symbols->GetNumCompileUnits();
|
|
return 0;
|
|
}
|
|
|
|
CompUnitSP
|
|
Module::GetCompileUnitAtIndex (size_t index)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
size_t num_comp_units = GetNumCompileUnits ();
|
|
CompUnitSP cu_sp;
|
|
|
|
if (index < num_comp_units)
|
|
{
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
cu_sp = symbols->GetCompileUnitAtIndex(index);
|
|
}
|
|
return cu_sp;
|
|
}
|
|
|
|
bool
|
|
Module::ResolveFileAddress (lldb::addr_t vm_addr, Address& so_addr)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
Timer scoped_timer(__PRETTY_FUNCTION__, "Module::ResolveFileAddress (vm_addr = 0x%" PRIx64 ")", vm_addr);
|
|
SectionList *section_list = GetSectionList();
|
|
if (section_list)
|
|
return so_addr.ResolveAddressUsingFileSections(vm_addr, section_list);
|
|
return false;
|
|
}
|
|
|
|
uint32_t
|
|
Module::ResolveSymbolContextForAddress (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc,
|
|
bool resolve_tail_call_address)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
uint32_t resolved_flags = 0;
|
|
|
|
// Clear the result symbol context in case we don't find anything, but don't clear the target
|
|
sc.Clear(false);
|
|
|
|
// Get the section from the section/offset address.
|
|
SectionSP section_sp (so_addr.GetSection());
|
|
|
|
// Make sure the section matches this module before we try and match anything
|
|
if (section_sp && section_sp->GetModule().get() == this)
|
|
{
|
|
// If the section offset based address resolved itself, then this
|
|
// is the right module.
|
|
sc.module_sp = shared_from_this();
|
|
resolved_flags |= eSymbolContextModule;
|
|
|
|
SymbolVendor* sym_vendor = GetSymbolVendor();
|
|
if (!sym_vendor)
|
|
return resolved_flags;
|
|
|
|
// Resolve the compile unit, function, block, line table or line
|
|
// entry if requested.
|
|
if (resolve_scope & eSymbolContextCompUnit ||
|
|
resolve_scope & eSymbolContextFunction ||
|
|
resolve_scope & eSymbolContextBlock ||
|
|
resolve_scope & eSymbolContextLineEntry )
|
|
{
|
|
resolved_flags |= sym_vendor->ResolveSymbolContext (so_addr, resolve_scope, sc);
|
|
}
|
|
|
|
// Resolve the symbol if requested, but don't re-look it up if we've already found it.
|
|
if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol))
|
|
{
|
|
Symtab *symtab = sym_vendor->GetSymtab();
|
|
if (symtab && so_addr.IsSectionOffset())
|
|
{
|
|
sc.symbol = symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress());
|
|
if (!sc.symbol &&
|
|
resolve_scope & eSymbolContextFunction && !(resolved_flags & eSymbolContextFunction))
|
|
{
|
|
bool verify_unique = false; // No need to check again since ResolveSymbolContext failed to find a symbol at this address.
|
|
if (ObjectFile *obj_file = sc.module_sp->GetObjectFile())
|
|
sc.symbol = obj_file->ResolveSymbolForAddress(so_addr, verify_unique);
|
|
}
|
|
|
|
if (sc.symbol)
|
|
{
|
|
if (sc.symbol->IsSynthetic())
|
|
{
|
|
// We have a synthetic symbol so lets check if the object file
|
|
// from the symbol file in the symbol vendor is different than
|
|
// the object file for the module, and if so search its symbol
|
|
// table to see if we can come up with a better symbol. For example
|
|
// dSYM files on MacOSX have an unstripped symbol table inside of
|
|
// them.
|
|
ObjectFile *symtab_objfile = symtab->GetObjectFile();
|
|
if (symtab_objfile && symtab_objfile->IsStripped())
|
|
{
|
|
SymbolFile *symfile = sym_vendor->GetSymbolFile();
|
|
if (symfile)
|
|
{
|
|
ObjectFile *symfile_objfile = symfile->GetObjectFile();
|
|
if (symfile_objfile != symtab_objfile)
|
|
{
|
|
Symtab *symfile_symtab = symfile_objfile->GetSymtab();
|
|
if (symfile_symtab)
|
|
{
|
|
Symbol *symbol = symfile_symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress());
|
|
if (symbol && !symbol->IsSynthetic())
|
|
{
|
|
sc.symbol = symbol;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
resolved_flags |= eSymbolContextSymbol;
|
|
}
|
|
}
|
|
}
|
|
|
|
// For function symbols, so_addr may be off by one. This is a convention consistent
|
|
// with FDE row indices in eh_frame sections, but requires extra logic here to permit
|
|
// symbol lookup for disassembly and unwind.
|
|
if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol) &&
|
|
resolve_tail_call_address && so_addr.IsSectionOffset())
|
|
{
|
|
Address previous_addr = so_addr;
|
|
previous_addr.Slide(-1);
|
|
|
|
bool do_resolve_tail_call_address = false; // prevent recursion
|
|
const uint32_t flags = ResolveSymbolContextForAddress(previous_addr, resolve_scope, sc,
|
|
do_resolve_tail_call_address);
|
|
if (flags & eSymbolContextSymbol)
|
|
{
|
|
AddressRange addr_range;
|
|
if (sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, addr_range))
|
|
{
|
|
if (addr_range.GetBaseAddress().GetSection() == so_addr.GetSection())
|
|
{
|
|
// If the requested address is one past the address range of a function (i.e. a tail call),
|
|
// or the decremented address is the start of a function (i.e. some forms of trampoline),
|
|
// indicate that the symbol has been resolved.
|
|
if (so_addr.GetOffset() == addr_range.GetBaseAddress().GetOffset() ||
|
|
so_addr.GetOffset() == addr_range.GetBaseAddress().GetOffset() + addr_range.GetByteSize())
|
|
{
|
|
resolved_flags |= flags;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sc.symbol = nullptr; // Don't trust the symbol if the sections didn't match.
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return resolved_flags;
|
|
}
|
|
|
|
uint32_t
|
|
Module::ResolveSymbolContextForFilePath
|
|
(
|
|
const char *file_path,
|
|
uint32_t line,
|
|
bool check_inlines,
|
|
uint32_t resolve_scope,
|
|
SymbolContextList& sc_list
|
|
)
|
|
{
|
|
FileSpec file_spec(file_path, false);
|
|
return ResolveSymbolContextsForFileSpec (file_spec, line, check_inlines, resolve_scope, sc_list);
|
|
}
|
|
|
|
uint32_t
|
|
Module::ResolveSymbolContextsForFileSpec (const FileSpec &file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::ResolveSymbolContextForFilePath (%s:%u, check_inlines = %s, resolve_scope = 0x%8.8x)",
|
|
file_spec.GetPath().c_str(),
|
|
line,
|
|
check_inlines ? "yes" : "no",
|
|
resolve_scope);
|
|
|
|
const uint32_t initial_count = sc_list.GetSize();
|
|
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
symbols->ResolveSymbolContext (file_spec, line, check_inlines, resolve_scope, sc_list);
|
|
|
|
return sc_list.GetSize() - initial_count;
|
|
}
|
|
|
|
|
|
size_t
|
|
Module::FindGlobalVariables (const ConstString &name,
|
|
const ClangNamespaceDecl *namespace_decl,
|
|
bool append,
|
|
size_t max_matches,
|
|
VariableList& variables)
|
|
{
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
return symbols->FindGlobalVariables(name, namespace_decl, append, max_matches, variables);
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
Module::FindGlobalVariables (const RegularExpression& regex,
|
|
bool append,
|
|
size_t max_matches,
|
|
VariableList& variables)
|
|
{
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
return symbols->FindGlobalVariables(regex, append, max_matches, variables);
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
Module::FindCompileUnits (const FileSpec &path,
|
|
bool append,
|
|
SymbolContextList &sc_list)
|
|
{
|
|
if (!append)
|
|
sc_list.Clear();
|
|
|
|
const size_t start_size = sc_list.GetSize();
|
|
const size_t num_compile_units = GetNumCompileUnits();
|
|
SymbolContext sc;
|
|
sc.module_sp = shared_from_this();
|
|
const bool compare_directory = (bool)path.GetDirectory();
|
|
for (size_t i=0; i<num_compile_units; ++i)
|
|
{
|
|
sc.comp_unit = GetCompileUnitAtIndex(i).get();
|
|
if (sc.comp_unit)
|
|
{
|
|
if (FileSpec::Equal (*sc.comp_unit, path, compare_directory))
|
|
sc_list.Append(sc);
|
|
}
|
|
}
|
|
return sc_list.GetSize() - start_size;
|
|
}
|
|
|
|
size_t
|
|
Module::FindFunctions (const ConstString &name,
|
|
const ClangNamespaceDecl *namespace_decl,
|
|
uint32_t name_type_mask,
|
|
bool include_symbols,
|
|
bool include_inlines,
|
|
bool append,
|
|
SymbolContextList& sc_list)
|
|
{
|
|
if (!append)
|
|
sc_list.Clear();
|
|
|
|
const size_t old_size = sc_list.GetSize();
|
|
|
|
// Find all the functions (not symbols, but debug information functions...
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
|
|
if (name_type_mask & eFunctionNameTypeAuto)
|
|
{
|
|
ConstString lookup_name;
|
|
uint32_t lookup_name_type_mask = 0;
|
|
bool match_name_after_lookup = false;
|
|
Module::PrepareForFunctionNameLookup (name,
|
|
name_type_mask,
|
|
lookup_name,
|
|
lookup_name_type_mask,
|
|
match_name_after_lookup);
|
|
|
|
if (symbols)
|
|
{
|
|
symbols->FindFunctions(lookup_name,
|
|
namespace_decl,
|
|
lookup_name_type_mask,
|
|
include_inlines,
|
|
append,
|
|
sc_list);
|
|
|
|
// Now check our symbol table for symbols that are code symbols if requested
|
|
if (include_symbols)
|
|
{
|
|
Symtab *symtab = symbols->GetSymtab();
|
|
if (symtab)
|
|
symtab->FindFunctionSymbols(lookup_name, lookup_name_type_mask, sc_list);
|
|
}
|
|
}
|
|
|
|
if (match_name_after_lookup)
|
|
{
|
|
SymbolContext sc;
|
|
size_t i = old_size;
|
|
while (i<sc_list.GetSize())
|
|
{
|
|
if (sc_list.GetContextAtIndex(i, sc))
|
|
{
|
|
const char *func_name = sc.GetFunctionName().GetCString();
|
|
if (func_name && strstr (func_name, name.GetCString()) == NULL)
|
|
{
|
|
// Remove the current context
|
|
sc_list.RemoveContextAtIndex(i);
|
|
// Don't increment i and continue in the loop
|
|
continue;
|
|
}
|
|
}
|
|
++i;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (symbols)
|
|
{
|
|
symbols->FindFunctions(name, namespace_decl, name_type_mask, include_inlines, append, sc_list);
|
|
|
|
// Now check our symbol table for symbols that are code symbols if requested
|
|
if (include_symbols)
|
|
{
|
|
Symtab *symtab = symbols->GetSymtab();
|
|
if (symtab)
|
|
symtab->FindFunctionSymbols(name, name_type_mask, sc_list);
|
|
}
|
|
}
|
|
}
|
|
|
|
return sc_list.GetSize() - old_size;
|
|
}
|
|
|
|
size_t
|
|
Module::FindFunctions (const RegularExpression& regex,
|
|
bool include_symbols,
|
|
bool include_inlines,
|
|
bool append,
|
|
SymbolContextList& sc_list)
|
|
{
|
|
if (!append)
|
|
sc_list.Clear();
|
|
|
|
const size_t start_size = sc_list.GetSize();
|
|
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
{
|
|
symbols->FindFunctions(regex, include_inlines, append, sc_list);
|
|
|
|
// Now check our symbol table for symbols that are code symbols if requested
|
|
if (include_symbols)
|
|
{
|
|
Symtab *symtab = symbols->GetSymtab();
|
|
if (symtab)
|
|
{
|
|
std::vector<uint32_t> symbol_indexes;
|
|
symtab->AppendSymbolIndexesMatchingRegExAndType (regex, eSymbolTypeAny, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes);
|
|
const size_t num_matches = symbol_indexes.size();
|
|
if (num_matches)
|
|
{
|
|
SymbolContext sc(this);
|
|
const size_t end_functions_added_index = sc_list.GetSize();
|
|
size_t num_functions_added_to_sc_list = end_functions_added_index - start_size;
|
|
if (num_functions_added_to_sc_list == 0)
|
|
{
|
|
// No functions were added, just symbols, so we can just append them
|
|
for (size_t i=0; i<num_matches; ++i)
|
|
{
|
|
sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]);
|
|
SymbolType sym_type = sc.symbol->GetType();
|
|
if (sc.symbol && (sym_type == eSymbolTypeCode ||
|
|
sym_type == eSymbolTypeResolver))
|
|
sc_list.Append(sc);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
typedef std::map<lldb::addr_t, uint32_t> FileAddrToIndexMap;
|
|
FileAddrToIndexMap file_addr_to_index;
|
|
for (size_t i=start_size; i<end_functions_added_index; ++i)
|
|
{
|
|
const SymbolContext &sc = sc_list[i];
|
|
if (sc.block)
|
|
continue;
|
|
file_addr_to_index[sc.function->GetAddressRange().GetBaseAddress().GetFileAddress()] = i;
|
|
}
|
|
|
|
FileAddrToIndexMap::const_iterator end = file_addr_to_index.end();
|
|
// Functions were added so we need to merge symbols into any
|
|
// existing function symbol contexts
|
|
for (size_t i=start_size; i<num_matches; ++i)
|
|
{
|
|
sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]);
|
|
SymbolType sym_type = sc.symbol->GetType();
|
|
if (sc.symbol && (sym_type == eSymbolTypeCode ||
|
|
sym_type == eSymbolTypeResolver))
|
|
{
|
|
FileAddrToIndexMap::const_iterator pos = file_addr_to_index.find(sc.symbol->GetAddress().GetFileAddress());
|
|
if (pos == end)
|
|
sc_list.Append(sc);
|
|
else
|
|
sc_list[pos->second].symbol = sc.symbol;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return sc_list.GetSize() - start_size;
|
|
}
|
|
|
|
void
|
|
Module::FindAddressesForLine (const lldb::TargetSP target_sp,
|
|
const FileSpec &file, uint32_t line,
|
|
Function *function,
|
|
std::vector<Address> &output_local, std::vector<Address> &output_extern)
|
|
{
|
|
SearchFilterByModule filter(target_sp, m_file);
|
|
AddressResolverFileLine resolver(file, line, true);
|
|
resolver.ResolveAddress (filter);
|
|
|
|
for (size_t n=0;n<resolver.GetNumberOfAddresses();n++)
|
|
{
|
|
Address addr = resolver.GetAddressRangeAtIndex(n).GetBaseAddress();
|
|
Function *f = addr.CalculateSymbolContextFunction();
|
|
if (f && f == function)
|
|
output_local.push_back (addr);
|
|
else
|
|
output_extern.push_back (addr);
|
|
}
|
|
}
|
|
|
|
size_t
|
|
Module::FindTypes_Impl (const SymbolContext& sc,
|
|
const ConstString &name,
|
|
const ClangNamespaceDecl *namespace_decl,
|
|
bool append,
|
|
size_t max_matches,
|
|
TypeList& types)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
|
|
if (sc.module_sp.get() == NULL || sc.module_sp.get() == this)
|
|
{
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
return symbols->FindTypes(sc, name, namespace_decl, append, max_matches, types);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
Module::FindTypesInNamespace (const SymbolContext& sc,
|
|
const ConstString &type_name,
|
|
const ClangNamespaceDecl *namespace_decl,
|
|
size_t max_matches,
|
|
TypeList& type_list)
|
|
{
|
|
const bool append = true;
|
|
return FindTypes_Impl(sc, type_name, namespace_decl, append, max_matches, type_list);
|
|
}
|
|
|
|
lldb::TypeSP
|
|
Module::FindFirstType (const SymbolContext& sc,
|
|
const ConstString &name,
|
|
bool exact_match)
|
|
{
|
|
TypeList type_list;
|
|
const size_t num_matches = FindTypes (sc, name, exact_match, 1, type_list);
|
|
if (num_matches)
|
|
return type_list.GetTypeAtIndex(0);
|
|
return TypeSP();
|
|
}
|
|
|
|
|
|
size_t
|
|
Module::FindTypes (const SymbolContext& sc,
|
|
const ConstString &name,
|
|
bool exact_match,
|
|
size_t max_matches,
|
|
TypeList& types)
|
|
{
|
|
size_t num_matches = 0;
|
|
const char *type_name_cstr = name.GetCString();
|
|
std::string type_scope;
|
|
std::string type_basename;
|
|
const bool append = true;
|
|
TypeClass type_class = eTypeClassAny;
|
|
if (Type::GetTypeScopeAndBasename (type_name_cstr, type_scope, type_basename, type_class))
|
|
{
|
|
// Check if "name" starts with "::" which means the qualified type starts
|
|
// from the root namespace and implies and exact match. The typenames we
|
|
// get back from clang do not start with "::" so we need to strip this off
|
|
// in order to get the qualified names to match
|
|
|
|
if (type_scope.size() >= 2 && type_scope[0] == ':' && type_scope[1] == ':')
|
|
{
|
|
type_scope.erase(0,2);
|
|
exact_match = true;
|
|
}
|
|
ConstString type_basename_const_str (type_basename.c_str());
|
|
if (FindTypes_Impl(sc, type_basename_const_str, NULL, append, max_matches, types))
|
|
{
|
|
types.RemoveMismatchedTypes (type_scope, type_basename, type_class, exact_match);
|
|
num_matches = types.GetSize();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// The type is not in a namespace/class scope, just search for it by basename
|
|
if (type_class != eTypeClassAny)
|
|
{
|
|
// The "type_name_cstr" will have been modified if we have a valid type class
|
|
// prefix (like "struct", "class", "union", "typedef" etc).
|
|
FindTypes_Impl(sc, ConstString(type_name_cstr), NULL, append, max_matches, types);
|
|
types.RemoveMismatchedTypes (type_class);
|
|
num_matches = types.GetSize();
|
|
}
|
|
else
|
|
{
|
|
num_matches = FindTypes_Impl(sc, name, NULL, append, max_matches, types);
|
|
}
|
|
}
|
|
|
|
return num_matches;
|
|
|
|
}
|
|
|
|
SymbolVendor*
|
|
Module::GetSymbolVendor (bool can_create, lldb_private::Stream *feedback_strm)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
if (m_did_load_symbol_vendor == false && can_create)
|
|
{
|
|
ObjectFile *obj_file = GetObjectFile ();
|
|
if (obj_file != NULL)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
|
|
m_symfile_ap.reset(SymbolVendor::FindPlugin(shared_from_this(), feedback_strm));
|
|
m_did_load_symbol_vendor = true;
|
|
}
|
|
}
|
|
return m_symfile_ap.get();
|
|
}
|
|
|
|
void
|
|
Module::SetFileSpecAndObjectName (const FileSpec &file, const ConstString &object_name)
|
|
{
|
|
// Container objects whose paths do not specify a file directly can call
|
|
// this function to correct the file and object names.
|
|
m_file = file;
|
|
m_mod_time = file.GetModificationTime();
|
|
m_object_name = object_name;
|
|
}
|
|
|
|
const ArchSpec&
|
|
Module::GetArchitecture () const
|
|
{
|
|
return m_arch;
|
|
}
|
|
|
|
std::string
|
|
Module::GetSpecificationDescription () const
|
|
{
|
|
std::string spec(GetFileSpec().GetPath());
|
|
if (m_object_name)
|
|
{
|
|
spec += '(';
|
|
spec += m_object_name.GetCString();
|
|
spec += ')';
|
|
}
|
|
return spec;
|
|
}
|
|
|
|
void
|
|
Module::GetDescription (Stream *s, lldb::DescriptionLevel level)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
|
|
if (level >= eDescriptionLevelFull)
|
|
{
|
|
if (m_arch.IsValid())
|
|
s->Printf("(%s) ", m_arch.GetArchitectureName());
|
|
}
|
|
|
|
if (level == eDescriptionLevelBrief)
|
|
{
|
|
const char *filename = m_file.GetFilename().GetCString();
|
|
if (filename)
|
|
s->PutCString (filename);
|
|
}
|
|
else
|
|
{
|
|
char path[PATH_MAX];
|
|
if (m_file.GetPath(path, sizeof(path)))
|
|
s->PutCString(path);
|
|
}
|
|
|
|
const char *object_name = m_object_name.GetCString();
|
|
if (object_name)
|
|
s->Printf("(%s)", object_name);
|
|
}
|
|
|
|
void
|
|
Module::ReportError (const char *format, ...)
|
|
{
|
|
if (format && format[0])
|
|
{
|
|
StreamString strm;
|
|
strm.PutCString("error: ");
|
|
GetDescription(&strm, lldb::eDescriptionLevelBrief);
|
|
strm.PutChar (' ');
|
|
va_list args;
|
|
va_start (args, format);
|
|
strm.PrintfVarArg(format, args);
|
|
va_end (args);
|
|
|
|
const int format_len = strlen(format);
|
|
if (format_len > 0)
|
|
{
|
|
const char last_char = format[format_len-1];
|
|
if (last_char != '\n' || last_char != '\r')
|
|
strm.EOL();
|
|
}
|
|
Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str());
|
|
|
|
}
|
|
}
|
|
|
|
bool
|
|
Module::FileHasChanged () const
|
|
{
|
|
if (m_file_has_changed == false)
|
|
m_file_has_changed = (m_file.GetModificationTime() != m_mod_time);
|
|
return m_file_has_changed;
|
|
}
|
|
|
|
void
|
|
Module::ReportErrorIfModifyDetected (const char *format, ...)
|
|
{
|
|
if (m_first_file_changed_log == false)
|
|
{
|
|
if (FileHasChanged ())
|
|
{
|
|
m_first_file_changed_log = true;
|
|
if (format)
|
|
{
|
|
StreamString strm;
|
|
strm.PutCString("error: the object file ");
|
|
GetDescription(&strm, lldb::eDescriptionLevelFull);
|
|
strm.PutCString (" has been modified\n");
|
|
|
|
va_list args;
|
|
va_start (args, format);
|
|
strm.PrintfVarArg(format, args);
|
|
va_end (args);
|
|
|
|
const int format_len = strlen(format);
|
|
if (format_len > 0)
|
|
{
|
|
const char last_char = format[format_len-1];
|
|
if (last_char != '\n' || last_char != '\r')
|
|
strm.EOL();
|
|
}
|
|
strm.PutCString("The debug session should be aborted as the original debug information has been overwritten.\n");
|
|
Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::ReportWarning (const char *format, ...)
|
|
{
|
|
if (format && format[0])
|
|
{
|
|
StreamString strm;
|
|
strm.PutCString("warning: ");
|
|
GetDescription(&strm, lldb::eDescriptionLevelFull);
|
|
strm.PutChar (' ');
|
|
|
|
va_list args;
|
|
va_start (args, format);
|
|
strm.PrintfVarArg(format, args);
|
|
va_end (args);
|
|
|
|
const int format_len = strlen(format);
|
|
if (format_len > 0)
|
|
{
|
|
const char last_char = format[format_len-1];
|
|
if (last_char != '\n' || last_char != '\r')
|
|
strm.EOL();
|
|
}
|
|
Host::SystemLog (Host::eSystemLogWarning, "%s", strm.GetString().c_str());
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::LogMessage (Log *log, const char *format, ...)
|
|
{
|
|
if (log)
|
|
{
|
|
StreamString log_message;
|
|
GetDescription(&log_message, lldb::eDescriptionLevelFull);
|
|
log_message.PutCString (": ");
|
|
va_list args;
|
|
va_start (args, format);
|
|
log_message.PrintfVarArg (format, args);
|
|
va_end (args);
|
|
log->PutCString(log_message.GetString().c_str());
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::LogMessageVerboseBacktrace (Log *log, const char *format, ...)
|
|
{
|
|
if (log)
|
|
{
|
|
StreamString log_message;
|
|
GetDescription(&log_message, lldb::eDescriptionLevelFull);
|
|
log_message.PutCString (": ");
|
|
va_list args;
|
|
va_start (args, format);
|
|
log_message.PrintfVarArg (format, args);
|
|
va_end (args);
|
|
if (log->GetVerbose())
|
|
Host::Backtrace (log_message, 1024);
|
|
log->PutCString(log_message.GetString().c_str());
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::Dump(Stream *s)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
//s->Printf("%.*p: ", (int)sizeof(void*) * 2, this);
|
|
s->Indent();
|
|
s->Printf("Module %s%s%s%s\n",
|
|
m_file.GetPath().c_str(),
|
|
m_object_name ? "(" : "",
|
|
m_object_name ? m_object_name.GetCString() : "",
|
|
m_object_name ? ")" : "");
|
|
|
|
s->IndentMore();
|
|
|
|
ObjectFile *objfile = GetObjectFile ();
|
|
if (objfile)
|
|
objfile->Dump(s);
|
|
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
symbols->Dump(s);
|
|
|
|
s->IndentLess();
|
|
}
|
|
|
|
|
|
TypeList*
|
|
Module::GetTypeList ()
|
|
{
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
return &symbols->GetTypeList();
|
|
return NULL;
|
|
}
|
|
|
|
const ConstString &
|
|
Module::GetObjectName() const
|
|
{
|
|
return m_object_name;
|
|
}
|
|
|
|
ObjectFile *
|
|
Module::GetObjectFile()
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
if (m_did_load_objfile == false)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::GetObjectFile () module = %s", GetFileSpec().GetFilename().AsCString(""));
|
|
DataBufferSP data_sp;
|
|
lldb::offset_t data_offset = 0;
|
|
const lldb::offset_t file_size = m_file.GetByteSize();
|
|
if (file_size > m_object_offset)
|
|
{
|
|
m_did_load_objfile = true;
|
|
m_objfile_sp = ObjectFile::FindPlugin (shared_from_this(),
|
|
&m_file,
|
|
m_object_offset,
|
|
file_size - m_object_offset,
|
|
data_sp,
|
|
data_offset);
|
|
if (m_objfile_sp)
|
|
{
|
|
// Once we get the object file, update our module with the object file's
|
|
// architecture since it might differ in vendor/os if some parts were
|
|
// unknown.
|
|
m_objfile_sp->GetArchitecture (m_arch);
|
|
}
|
|
else
|
|
{
|
|
ReportError ("failed to load objfile for %s", GetFileSpec().GetPath().c_str());
|
|
}
|
|
}
|
|
}
|
|
return m_objfile_sp.get();
|
|
}
|
|
|
|
SectionList *
|
|
Module::GetSectionList()
|
|
{
|
|
// Populate m_unified_sections_ap with sections from objfile.
|
|
if (m_sections_ap.get() == NULL)
|
|
{
|
|
ObjectFile *obj_file = GetObjectFile();
|
|
if (obj_file)
|
|
obj_file->CreateSections(*GetUnifiedSectionList());
|
|
}
|
|
return m_sections_ap.get();
|
|
}
|
|
|
|
void
|
|
Module::SectionFileAddressesChanged ()
|
|
{
|
|
ObjectFile *obj_file = GetObjectFile ();
|
|
if (obj_file)
|
|
obj_file->SectionFileAddressesChanged ();
|
|
SymbolVendor* sym_vendor = GetSymbolVendor();
|
|
if (sym_vendor)
|
|
sym_vendor->SectionFileAddressesChanged ();
|
|
}
|
|
|
|
SectionList *
|
|
Module::GetUnifiedSectionList()
|
|
{
|
|
// Populate m_unified_sections_ap with sections from objfile.
|
|
if (m_sections_ap.get() == NULL)
|
|
m_sections_ap.reset(new SectionList());
|
|
return m_sections_ap.get();
|
|
}
|
|
|
|
const Symbol *
|
|
Module::FindFirstSymbolWithNameAndType (const ConstString &name, SymbolType symbol_type)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::FindFirstSymbolWithNameAndType (name = %s, type = %i)",
|
|
name.AsCString(),
|
|
symbol_type);
|
|
SymbolVendor* sym_vendor = GetSymbolVendor();
|
|
if (sym_vendor)
|
|
{
|
|
Symtab *symtab = sym_vendor->GetSymtab();
|
|
if (symtab)
|
|
return symtab->FindFirstSymbolWithNameAndType (name, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny);
|
|
}
|
|
return NULL;
|
|
}
|
|
void
|
|
Module::SymbolIndicesToSymbolContextList (Symtab *symtab, std::vector<uint32_t> &symbol_indexes, SymbolContextList &sc_list)
|
|
{
|
|
// No need to protect this call using m_mutex all other method calls are
|
|
// already thread safe.
|
|
|
|
size_t num_indices = symbol_indexes.size();
|
|
if (num_indices > 0)
|
|
{
|
|
SymbolContext sc;
|
|
CalculateSymbolContext (&sc);
|
|
for (size_t i = 0; i < num_indices; i++)
|
|
{
|
|
sc.symbol = symtab->SymbolAtIndex (symbol_indexes[i]);
|
|
if (sc.symbol)
|
|
sc_list.Append (sc);
|
|
}
|
|
}
|
|
}
|
|
|
|
size_t
|
|
Module::FindFunctionSymbols (const ConstString &name,
|
|
uint32_t name_type_mask,
|
|
SymbolContextList& sc_list)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::FindSymbolsFunctions (name = %s, mask = 0x%8.8x)",
|
|
name.AsCString(),
|
|
name_type_mask);
|
|
SymbolVendor* sym_vendor = GetSymbolVendor();
|
|
if (sym_vendor)
|
|
{
|
|
Symtab *symtab = sym_vendor->GetSymtab();
|
|
if (symtab)
|
|
return symtab->FindFunctionSymbols (name, name_type_mask, sc_list);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
Module::FindSymbolsWithNameAndType (const ConstString &name, SymbolType symbol_type, SymbolContextList &sc_list)
|
|
{
|
|
// No need to protect this call using m_mutex all other method calls are
|
|
// already thread safe.
|
|
|
|
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::FindSymbolsWithNameAndType (name = %s, type = %i)",
|
|
name.AsCString(),
|
|
symbol_type);
|
|
const size_t initial_size = sc_list.GetSize();
|
|
SymbolVendor* sym_vendor = GetSymbolVendor();
|
|
if (sym_vendor)
|
|
{
|
|
Symtab *symtab = sym_vendor->GetSymtab();
|
|
if (symtab)
|
|
{
|
|
std::vector<uint32_t> symbol_indexes;
|
|
symtab->FindAllSymbolsWithNameAndType (name, symbol_type, symbol_indexes);
|
|
SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list);
|
|
}
|
|
}
|
|
return sc_list.GetSize() - initial_size;
|
|
}
|
|
|
|
size_t
|
|
Module::FindSymbolsMatchingRegExAndType (const RegularExpression ®ex, SymbolType symbol_type, SymbolContextList &sc_list)
|
|
{
|
|
// No need to protect this call using m_mutex all other method calls are
|
|
// already thread safe.
|
|
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::FindSymbolsMatchingRegExAndType (regex = %s, type = %i)",
|
|
regex.GetText(),
|
|
symbol_type);
|
|
const size_t initial_size = sc_list.GetSize();
|
|
SymbolVendor* sym_vendor = GetSymbolVendor();
|
|
if (sym_vendor)
|
|
{
|
|
Symtab *symtab = sym_vendor->GetSymtab();
|
|
if (symtab)
|
|
{
|
|
std::vector<uint32_t> symbol_indexes;
|
|
symtab->FindAllSymbolsMatchingRexExAndType (regex, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes);
|
|
SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list);
|
|
}
|
|
}
|
|
return sc_list.GetSize() - initial_size;
|
|
}
|
|
|
|
void
|
|
Module::SetSymbolFileFileSpec (const FileSpec &file)
|
|
{
|
|
// Remove any sections in the unified section list that come from the current symbol vendor.
|
|
if (m_symfile_ap)
|
|
{
|
|
SectionList *section_list = GetSectionList();
|
|
SymbolFile *symbol_file = m_symfile_ap->GetSymbolFile();
|
|
if (section_list && symbol_file)
|
|
{
|
|
ObjectFile *obj_file = symbol_file->GetObjectFile();
|
|
// Make sure we have an object file and that the symbol vendor's objfile isn't
|
|
// the same as the module's objfile before we remove any sections for it...
|
|
if (obj_file && obj_file != m_objfile_sp.get())
|
|
{
|
|
size_t num_sections = section_list->GetNumSections (0);
|
|
for (size_t idx = num_sections; idx > 0; --idx)
|
|
{
|
|
lldb::SectionSP section_sp (section_list->GetSectionAtIndex (idx - 1));
|
|
if (section_sp->GetObjectFile() == obj_file)
|
|
{
|
|
section_list->DeleteSection (idx - 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
m_symfile_spec = file;
|
|
m_symfile_ap.reset();
|
|
m_did_load_symbol_vendor = false;
|
|
}
|
|
|
|
bool
|
|
Module::IsExecutable ()
|
|
{
|
|
if (GetObjectFile() == NULL)
|
|
return false;
|
|
else
|
|
return GetObjectFile()->IsExecutable();
|
|
}
|
|
|
|
bool
|
|
Module::IsLoadedInTarget (Target *target)
|
|
{
|
|
ObjectFile *obj_file = GetObjectFile();
|
|
if (obj_file)
|
|
{
|
|
SectionList *sections = GetSectionList();
|
|
if (sections != NULL)
|
|
{
|
|
size_t num_sections = sections->GetSize();
|
|
for (size_t sect_idx = 0; sect_idx < num_sections; sect_idx++)
|
|
{
|
|
SectionSP section_sp = sections->GetSectionAtIndex(sect_idx);
|
|
if (section_sp->GetLoadBaseAddress(target) != LLDB_INVALID_ADDRESS)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
Module::LoadScriptingResourceInTarget (Target *target, Error& error, Stream* feedback_stream)
|
|
{
|
|
if (!target)
|
|
{
|
|
error.SetErrorString("invalid destination Target");
|
|
return false;
|
|
}
|
|
|
|
LoadScriptFromSymFile should_load = target->TargetProperties::GetLoadScriptFromSymbolFile();
|
|
|
|
if (should_load == eLoadScriptFromSymFileFalse)
|
|
return false;
|
|
|
|
Debugger &debugger = target->GetDebugger();
|
|
const ScriptLanguage script_language = debugger.GetScriptLanguage();
|
|
if (script_language != eScriptLanguageNone)
|
|
{
|
|
|
|
PlatformSP platform_sp(target->GetPlatform());
|
|
|
|
if (!platform_sp)
|
|
{
|
|
error.SetErrorString("invalid Platform");
|
|
return false;
|
|
}
|
|
|
|
FileSpecList file_specs = platform_sp->LocateExecutableScriptingResources (target,
|
|
*this,
|
|
feedback_stream);
|
|
|
|
|
|
const uint32_t num_specs = file_specs.GetSize();
|
|
if (num_specs)
|
|
{
|
|
ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter();
|
|
if (script_interpreter)
|
|
{
|
|
for (uint32_t i=0; i<num_specs; ++i)
|
|
{
|
|
FileSpec scripting_fspec (file_specs.GetFileSpecAtIndex(i));
|
|
if (scripting_fspec && scripting_fspec.Exists())
|
|
{
|
|
if (should_load == eLoadScriptFromSymFileWarn)
|
|
{
|
|
if (feedback_stream)
|
|
feedback_stream->Printf("warning: '%s' contains a debug script. To run this script in "
|
|
"this debug session:\n\n command script import \"%s\"\n\n"
|
|
"To run all discovered debug scripts in this session:\n\n"
|
|
" settings set target.load-script-from-symbol-file true\n",
|
|
GetFileSpec().GetFileNameStrippingExtension().GetCString(),
|
|
scripting_fspec.GetPath().c_str());
|
|
return false;
|
|
}
|
|
StreamString scripting_stream;
|
|
scripting_fspec.Dump(&scripting_stream);
|
|
const bool can_reload = true;
|
|
const bool init_lldb_globals = false;
|
|
bool did_load = script_interpreter->LoadScriptingModule(scripting_stream.GetData(),
|
|
can_reload,
|
|
init_lldb_globals,
|
|
error);
|
|
if (!did_load)
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error.SetErrorString("invalid ScriptInterpreter");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
Module::SetArchitecture (const ArchSpec &new_arch)
|
|
{
|
|
if (!m_arch.IsValid())
|
|
{
|
|
m_arch = new_arch;
|
|
return true;
|
|
}
|
|
return m_arch.IsExactMatch(new_arch);
|
|
}
|
|
|
|
bool
|
|
Module::SetLoadAddress (Target &target, lldb::addr_t value, bool value_is_offset, bool &changed)
|
|
{
|
|
ObjectFile *object_file = GetObjectFile();
|
|
if (object_file)
|
|
{
|
|
changed = object_file->SetLoadAddress(target, value, value_is_offset);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
changed = false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
bool
|
|
Module::MatchesModuleSpec (const ModuleSpec &module_ref)
|
|
{
|
|
const UUID &uuid = module_ref.GetUUID();
|
|
|
|
if (uuid.IsValid())
|
|
{
|
|
// If the UUID matches, then nothing more needs to match...
|
|
if (uuid == GetUUID())
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
const FileSpec &file_spec = module_ref.GetFileSpec();
|
|
if (file_spec)
|
|
{
|
|
if (!FileSpec::Equal (file_spec, m_file, (bool)file_spec.GetDirectory()))
|
|
return false;
|
|
}
|
|
|
|
const FileSpec &platform_file_spec = module_ref.GetPlatformFileSpec();
|
|
if (platform_file_spec)
|
|
{
|
|
if (!FileSpec::Equal (platform_file_spec, GetPlatformFileSpec (), (bool)platform_file_spec.GetDirectory()))
|
|
return false;
|
|
}
|
|
|
|
const ArchSpec &arch = module_ref.GetArchitecture();
|
|
if (arch.IsValid())
|
|
{
|
|
if (!m_arch.IsCompatibleMatch(arch))
|
|
return false;
|
|
}
|
|
|
|
const ConstString &object_name = module_ref.GetObjectName();
|
|
if (object_name)
|
|
{
|
|
if (object_name != GetObjectName())
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
Module::FindSourceFile (const FileSpec &orig_spec, FileSpec &new_spec) const
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
return m_source_mappings.FindFile (orig_spec, new_spec);
|
|
}
|
|
|
|
bool
|
|
Module::RemapSourceFile (const char *path, std::string &new_path) const
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
return m_source_mappings.RemapPath(path, new_path);
|
|
}
|
|
|
|
uint32_t
|
|
Module::GetVersion (uint32_t *versions, uint32_t num_versions)
|
|
{
|
|
ObjectFile *obj_file = GetObjectFile();
|
|
if (obj_file)
|
|
return obj_file->GetVersion (versions, num_versions);
|
|
|
|
if (versions && num_versions)
|
|
{
|
|
for (uint32_t i=0; i<num_versions; ++i)
|
|
versions[i] = LLDB_INVALID_MODULE_VERSION;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
Module::PrepareForFunctionNameLookup (const ConstString &name,
|
|
uint32_t name_type_mask,
|
|
ConstString &lookup_name,
|
|
uint32_t &lookup_name_type_mask,
|
|
bool &match_name_after_lookup)
|
|
{
|
|
const char *name_cstr = name.GetCString();
|
|
lookup_name_type_mask = eFunctionNameTypeNone;
|
|
match_name_after_lookup = false;
|
|
const char *base_name_start = NULL;
|
|
const char *base_name_end = NULL;
|
|
|
|
if (name_type_mask & eFunctionNameTypeAuto)
|
|
{
|
|
if (CPPLanguageRuntime::IsCPPMangledName (name_cstr))
|
|
lookup_name_type_mask = eFunctionNameTypeFull;
|
|
else if (ObjCLanguageRuntime::IsPossibleObjCMethodName (name_cstr))
|
|
lookup_name_type_mask = eFunctionNameTypeFull;
|
|
else
|
|
{
|
|
if (ObjCLanguageRuntime::IsPossibleObjCSelector(name_cstr))
|
|
lookup_name_type_mask |= eFunctionNameTypeSelector;
|
|
|
|
CPPLanguageRuntime::MethodName cpp_method (name);
|
|
llvm::StringRef basename (cpp_method.GetBasename());
|
|
if (basename.empty())
|
|
{
|
|
if (CPPLanguageRuntime::StripNamespacesFromVariableName (name_cstr, base_name_start, base_name_end))
|
|
lookup_name_type_mask |= (eFunctionNameTypeMethod | eFunctionNameTypeBase);
|
|
}
|
|
else
|
|
{
|
|
base_name_start = basename.data();
|
|
base_name_end = base_name_start + basename.size();
|
|
lookup_name_type_mask |= (eFunctionNameTypeMethod | eFunctionNameTypeBase);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lookup_name_type_mask = name_type_mask;
|
|
if (lookup_name_type_mask & eFunctionNameTypeMethod || name_type_mask & eFunctionNameTypeBase)
|
|
{
|
|
// If they've asked for a CPP method or function name and it can't be that, we don't
|
|
// even need to search for CPP methods or names.
|
|
CPPLanguageRuntime::MethodName cpp_method (name);
|
|
if (cpp_method.IsValid())
|
|
{
|
|
llvm::StringRef basename (cpp_method.GetBasename());
|
|
base_name_start = basename.data();
|
|
base_name_end = base_name_start + basename.size();
|
|
|
|
if (!cpp_method.GetQualifiers().empty())
|
|
{
|
|
// There is a "const" or other qualifier following the end of the function parens,
|
|
// this can't be a eFunctionNameTypeBase
|
|
lookup_name_type_mask &= ~(eFunctionNameTypeBase);
|
|
if (lookup_name_type_mask == eFunctionNameTypeNone)
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!CPPLanguageRuntime::StripNamespacesFromVariableName (name_cstr, base_name_start, base_name_end))
|
|
{
|
|
lookup_name_type_mask &= ~(eFunctionNameTypeMethod | eFunctionNameTypeBase);
|
|
if (lookup_name_type_mask == eFunctionNameTypeNone)
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lookup_name_type_mask & eFunctionNameTypeSelector)
|
|
{
|
|
if (!ObjCLanguageRuntime::IsPossibleObjCSelector(name_cstr))
|
|
{
|
|
lookup_name_type_mask &= ~(eFunctionNameTypeSelector);
|
|
if (lookup_name_type_mask == eFunctionNameTypeNone)
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (base_name_start &&
|
|
base_name_end &&
|
|
base_name_start != name_cstr &&
|
|
base_name_start < base_name_end)
|
|
{
|
|
// The name supplied was a partial C++ path like "a::count". In this case we want to do a
|
|
// lookup on the basename "count" and then make sure any matching results contain "a::count"
|
|
// so that it would match "b::a::count" and "a::count". This is why we set "match_name_after_lookup"
|
|
// to true
|
|
lookup_name.SetCStringWithLength(base_name_start, base_name_end - base_name_start);
|
|
match_name_after_lookup = true;
|
|
}
|
|
else
|
|
{
|
|
// The name is already correct, just use the exact name as supplied, and we won't need
|
|
// to check if any matches contain "name"
|
|
lookup_name = name;
|
|
match_name_after_lookup = false;
|
|
}
|
|
}
|
|
|
|
ModuleSP
|
|
Module::CreateJITModule (const lldb::ObjectFileJITDelegateSP &delegate_sp)
|
|
{
|
|
if (delegate_sp)
|
|
{
|
|
// Must create a module and place it into a shared pointer before
|
|
// we can create an object file since it has a std::weak_ptr back
|
|
// to the module, so we need to control the creation carefully in
|
|
// this static function
|
|
ModuleSP module_sp(new Module());
|
|
module_sp->m_objfile_sp.reset (new ObjectFileJIT (module_sp, delegate_sp));
|
|
if (module_sp->m_objfile_sp)
|
|
{
|
|
// Once we get the object file, update our module with the object file's
|
|
// architecture since it might differ in vendor/os if some parts were
|
|
// unknown.
|
|
module_sp->m_objfile_sp->GetArchitecture (module_sp->m_arch);
|
|
}
|
|
return module_sp;
|
|
}
|
|
return ModuleSP();
|
|
}
|
|
|