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

200 lines
4.5 KiB
C++

//===-- SBSymbol.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/SBSymbol.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/Disassembler.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Symbol/Symbol.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
SBSymbol::SBSymbol () :
m_opaque_ptr (NULL)
{
}
SBSymbol::SBSymbol (lldb_private::Symbol *lldb_object_ptr) :
m_opaque_ptr (lldb_object_ptr)
{
}
SBSymbol::SBSymbol (const lldb::SBSymbol &rhs) :
m_opaque_ptr (rhs.m_opaque_ptr)
{
}
const SBSymbol &
SBSymbol::operator = (const SBSymbol &rhs)
{
m_opaque_ptr = rhs.m_opaque_ptr;
return *this;
}
SBSymbol::~SBSymbol ()
{
m_opaque_ptr = NULL;
}
void
SBSymbol::SetSymbol (lldb_private::Symbol *lldb_object_ptr)
{
m_opaque_ptr = lldb_object_ptr;
}
bool
SBSymbol::IsValid () const
{
return m_opaque_ptr != NULL;
}
const char *
SBSymbol::GetName() const
{
const char *name = NULL;
if (m_opaque_ptr)
name = m_opaque_ptr->GetMangled().GetName().AsCString();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBSymbol(%p)::GetName () => \"%s\"", m_opaque_ptr, name ? name : "");
return name;
}
const char *
SBSymbol::GetMangledName () const
{
const char *name = NULL;
if (m_opaque_ptr)
name = m_opaque_ptr->GetMangled().GetMangledName().AsCString();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBSymbol(%p)::GetMangledName () => \"%s\"", m_opaque_ptr, name ? name : "");
return name;
}
bool
SBSymbol::operator == (const SBSymbol &rhs) const
{
return m_opaque_ptr == rhs.m_opaque_ptr;
}
bool
SBSymbol::operator != (const SBSymbol &rhs) const
{
return m_opaque_ptr != rhs.m_opaque_ptr;
}
bool
SBSymbol::GetDescription (SBStream &description)
{
if (m_opaque_ptr)
{
description.ref();
m_opaque_ptr->GetDescription (description.get(),
lldb::eDescriptionLevelFull, NULL);
}
else
description.Printf ("No value");
return true;
}
SBInstructionList
SBSymbol::GetInstructions (SBTarget target)
{
SBInstructionList sb_instructions;
if (m_opaque_ptr)
{
Mutex::Locker api_locker;
ExecutionContext exe_ctx;
if (target.IsValid())
{
api_locker.Reset (target->GetAPIMutex().GetMutex());
target->CalculateExecutionContext (exe_ctx);
}
const AddressRange *symbol_range = m_opaque_ptr->GetAddressRangePtr();
if (symbol_range)
{
Module *module = symbol_range->GetBaseAddress().GetModule();
if (module)
{
sb_instructions.SetDisassembler (Disassembler::DisassembleRange (module->GetArchitecture (),
exe_ctx,
*symbol_range));
}
}
}
return sb_instructions;
}
lldb_private::Symbol *
SBSymbol::get ()
{
return m_opaque_ptr;
}
void
SBSymbol::reset (lldb_private::Symbol *symbol)
{
m_opaque_ptr = symbol;
}
SBAddress
SBSymbol::GetStartAddress ()
{
SBAddress addr;
if (m_opaque_ptr)
{
// Make sure the symbol is an address based symbol first:
AddressRange *symbol_arange_ptr = m_opaque_ptr->GetAddressRangePtr();
if (symbol_arange_ptr)
{
addr.SetAddress (&symbol_arange_ptr->GetBaseAddress());
}
}
return addr;
}
SBAddress
SBSymbol::GetEndAddress ()
{
SBAddress addr;
if (m_opaque_ptr)
{
AddressRange *symbol_arange_ptr = m_opaque_ptr->GetAddressRangePtr();
if (symbol_arange_ptr)
{
addr_t byte_size = symbol_arange_ptr->GetByteSize();
if (byte_size > 0)
{
addr.SetAddress (&symbol_arange_ptr->GetBaseAddress());
addr->Slide (byte_size);
}
}
}
return addr;
}
uint32_t
SBSymbol::GetPrologueByteSize ()
{
if (m_opaque_ptr)
return m_opaque_ptr->GetPrologueByteSize();
return 0;
}