llvm-project/lldb/source/API/SBAddress.cpp

324 lines
7.0 KiB
C++

//===-- SBAddress.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/API/SBAddress.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBSection.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Host/Mutex.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
SBAddress::SBAddress () :
m_opaque_ap ()
{
}
SBAddress::SBAddress (const Address *lldb_object_ptr) :
m_opaque_ap ()
{
if (lldb_object_ptr)
ref() = *lldb_object_ptr;
}
SBAddress::SBAddress (const SBAddress &rhs) :
m_opaque_ap ()
{
if (rhs.IsValid())
ref() = rhs.ref();
}
SBAddress::SBAddress (lldb::SBSection section, lldb::addr_t offset) :
m_opaque_ap(new Address (section.GetSP(), offset))
{
}
// Create an address by resolving a load address using the supplied target
SBAddress::SBAddress (lldb::addr_t load_addr, lldb::SBTarget &target) :
m_opaque_ap()
{
SetLoadAddress (load_addr, target);
}
SBAddress::~SBAddress ()
{
}
const SBAddress &
SBAddress::operator = (const SBAddress &rhs)
{
if (this != &rhs)
{
if (rhs.IsValid())
ref() = rhs.ref();
else
m_opaque_ap.reset();
}
return *this;
}
bool
SBAddress::IsValid () const
{
return m_opaque_ap.get() != NULL && m_opaque_ap->IsValid();
}
void
SBAddress::Clear ()
{
m_opaque_ap.reset();
}
void
SBAddress::SetAddress (lldb::SBSection section, lldb::addr_t offset)
{
Address &addr = ref();
addr.SetSection (section.GetSP());
addr.SetOffset (offset);
}
void
SBAddress::SetAddress (const Address *lldb_object_ptr)
{
if (lldb_object_ptr)
ref() = *lldb_object_ptr;
else
m_opaque_ap.reset();
}
lldb::addr_t
SBAddress::GetFileAddress () const
{
if (m_opaque_ap.get())
return m_opaque_ap->GetFileAddress();
else
return LLDB_INVALID_ADDRESS;
}
lldb::addr_t
SBAddress::GetLoadAddress (const SBTarget &target) const
{
LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
lldb::addr_t addr = LLDB_INVALID_ADDRESS;
TargetSP target_sp (target.GetSP());
if (m_opaque_ap.get())
{
Mutex::Locker api_locker (target_sp->GetAPIMutex());
addr = m_opaque_ap->GetLoadAddress (target_sp.get());
}
if (log)
{
if (addr == LLDB_INVALID_ADDRESS)
log->Printf ("SBAddress::GetLoadAddress (SBTarget(%p)) => LLDB_INVALID_ADDRESS", target_sp.get());
else
log->Printf ("SBAddress::GetLoadAddress (SBTarget(%p)) => 0x%llx", target_sp.get(), addr);
}
return addr;
}
void
SBAddress::SetLoadAddress (lldb::addr_t load_addr, lldb::SBTarget &target)
{
// Create the address object if we don't already have one
ref();
if (target.IsValid())
*this = target.ResolveLoadAddress(load_addr);
else
m_opaque_ap->Clear();
// Check if we weren't were able to resolve a section offset address.
// If we weren't it is ok, the load address might be a location on the
// stack or heap, so we should just have an address with no section and
// a valid offset
if (!m_opaque_ap->IsValid())
m_opaque_ap->SetOffset(load_addr);
}
bool
SBAddress::OffsetAddress (addr_t offset)
{
if (m_opaque_ap.get())
{
addr_t addr_offset = m_opaque_ap->GetOffset();
if (addr_offset != LLDB_INVALID_ADDRESS)
{
m_opaque_ap->SetOffset(addr_offset + offset);
return true;
}
}
return false;
}
lldb::SBSection
SBAddress::GetSection ()
{
lldb::SBSection sb_section;
if (m_opaque_ap.get())
sb_section.SetSP (m_opaque_ap->GetSection());
return sb_section;
}
lldb::addr_t
SBAddress::GetOffset ()
{
if (m_opaque_ap.get())
m_opaque_ap->GetOffset();
return 0;
}
Address *
SBAddress::operator->()
{
return m_opaque_ap.get();
}
const Address *
SBAddress::operator->() const
{
return m_opaque_ap.get();
}
Address &
SBAddress::ref ()
{
if (m_opaque_ap.get() == NULL)
m_opaque_ap.reset (new Address());
return *m_opaque_ap;
}
const Address &
SBAddress::ref () const
{
// This object should already have checked with "IsValid()"
// prior to calling this function. In case you didn't we will assert
// and die to let you know.
assert (m_opaque_ap.get());
return *m_opaque_ap;
}
Address *
SBAddress::get ()
{
return m_opaque_ap.get();
}
bool
SBAddress::GetDescription (SBStream &description)
{
// Call "ref()" on the stream to make sure it creates a backing stream in
// case there isn't one already...
Stream &strm = description.ref();
if (m_opaque_ap.get())
{
m_opaque_ap->Dump (&strm,
NULL,
Address::DumpStyleResolvedDescription,
Address::DumpStyleModuleWithFileAddress,
4);
StreamString sstrm;
// m_opaque_ap->Dump (&sstrm, NULL, Address::DumpStyleResolvedDescription, Address::DumpStyleInvalid, 4);
// if (sstrm.GetData())
// strm.Printf (" (%s)", sstrm.GetData());
}
else
strm.PutCString ("No value");
return true;
}
SBModule
SBAddress::GetModule ()
{
SBModule sb_module;
if (m_opaque_ap.get())
sb_module.SetSP (m_opaque_ap->GetModule());
return sb_module;
}
SBSymbolContext
SBAddress::GetSymbolContext (uint32_t resolve_scope)
{
SBSymbolContext sb_sc;
if (m_opaque_ap.get())
m_opaque_ap->CalculateSymbolContext (&sb_sc.ref(), resolve_scope);
return sb_sc;
}
SBCompileUnit
SBAddress::GetCompileUnit ()
{
SBCompileUnit sb_comp_unit;
if (m_opaque_ap.get())
sb_comp_unit.reset(m_opaque_ap->CalculateSymbolContextCompileUnit());
return sb_comp_unit;
}
SBFunction
SBAddress::GetFunction ()
{
SBFunction sb_function;
if (m_opaque_ap.get())
sb_function.reset(m_opaque_ap->CalculateSymbolContextFunction());
return sb_function;
}
SBBlock
SBAddress::GetBlock ()
{
SBBlock sb_block;
if (m_opaque_ap.get())
sb_block.SetPtr(m_opaque_ap->CalculateSymbolContextBlock());
return sb_block;
}
SBSymbol
SBAddress::GetSymbol ()
{
SBSymbol sb_symbol;
if (m_opaque_ap.get())
sb_symbol.reset(m_opaque_ap->CalculateSymbolContextSymbol());
return sb_symbol;
}
SBLineEntry
SBAddress::GetLineEntry ()
{
SBLineEntry sb_line_entry;
if (m_opaque_ap.get())
{
LineEntry line_entry;
if (m_opaque_ap->CalculateSymbolContextLineEntry (line_entry))
sb_line_entry.SetLineEntry (line_entry);
}
return sb_line_entry;
}
AddressClass
SBAddress::GetAddressClass ()
{
if (m_opaque_ap.get())
return m_opaque_ap->GetAddressClass();
return eAddressClassInvalid;
}