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//===-- SBInstruction.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/SBInstruction.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBFrame.h"
#include "lldb/API/SBInstruction.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBTarget.h"
#include "lldb/Core/ArchSpec.h"
#include "lldb/Core/DataBufferHeap.h"
#include "lldb/Core/DataExtractor.h"
#include "lldb/Core/Disassembler.h"
#include "lldb/Core/EmulateInstruction.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
SBInstruction::SBInstruction ()
{
}
SBInstruction::SBInstruction (const lldb::InstructionSP& inst_sp) :
m_opaque_sp (inst_sp)
{
}
SBInstruction::SBInstruction(const SBInstruction &rhs) :
m_opaque_sp (rhs.m_opaque_sp)
{
}
const SBInstruction &
SBInstruction::operator = (const SBInstruction &rhs)
{
if (this != &rhs)
m_opaque_sp = rhs.m_opaque_sp;
return *this;
}
SBInstruction::~SBInstruction ()
{
}
bool
SBInstruction::IsValid()
{
return (m_opaque_sp.get() != NULL);
}
SBAddress
SBInstruction::GetAddress()
{
SBAddress sb_addr;
if (m_opaque_sp && m_opaque_sp->GetAddress().IsValid())
sb_addr.SetAddress(&m_opaque_sp->GetAddress());
return sb_addr;
}
const char *
SBInstruction::GetMnemonic(SBTarget target)
{
if (m_opaque_sp)
{
Mutex::Locker api_locker;
ExecutionContext exe_ctx;
TargetSP target_sp (target.GetSP());
if (target_sp)
{
api_locker.Lock (target_sp->GetAPIMutex());
target_sp->CalculateExecutionContext (exe_ctx);
exe_ctx.SetProcessSP(target_sp->GetProcessSP());
}
return m_opaque_sp->GetMnemonic(&exe_ctx);
}
return NULL;
}
const char *
SBInstruction::GetOperands(SBTarget target)
{
if (m_opaque_sp)
{
Mutex::Locker api_locker;
ExecutionContext exe_ctx;
TargetSP target_sp (target.GetSP());
if (target_sp)
{
api_locker.Lock (target_sp->GetAPIMutex());
target_sp->CalculateExecutionContext (exe_ctx);
exe_ctx.SetProcessSP(target_sp->GetProcessSP());
}
return m_opaque_sp->GetOperands(&exe_ctx);
}
return NULL;
}
const char *
SBInstruction::GetComment(SBTarget target)
{
if (m_opaque_sp)
{
Mutex::Locker api_locker;
ExecutionContext exe_ctx;
TargetSP target_sp (target.GetSP());
if (target_sp)
{
api_locker.Lock (target_sp->GetAPIMutex());
target_sp->CalculateExecutionContext (exe_ctx);
exe_ctx.SetProcessSP(target_sp->GetProcessSP());
}
return m_opaque_sp->GetComment(&exe_ctx);
}
return NULL;
}
size_t
SBInstruction::GetByteSize ()
{
if (m_opaque_sp)
return m_opaque_sp->GetOpcode().GetByteSize();
return 0;
}
SBData
SBInstruction::GetData (SBTarget target)
{
lldb::SBData sb_data;
if (m_opaque_sp)
{
DataExtractorSP data_extractor_sp (new DataExtractor());
if (m_opaque_sp->GetData (*data_extractor_sp))
{
sb_data.SetOpaque (data_extractor_sp);
}
}
return sb_data;
}
bool
SBInstruction::DoesBranch ()
{
if (m_opaque_sp)
return m_opaque_sp->DoesBranch ();
return false;
}
void
SBInstruction::SetOpaque (const lldb::InstructionSP &inst_sp)
{
m_opaque_sp = inst_sp;
}
bool
SBInstruction::GetDescription (lldb::SBStream &s)
{
if (m_opaque_sp)
{
SymbolContext sc;
const Address &addr = m_opaque_sp->GetAddress();
ModuleSP module_sp (addr.GetModule());
if (module_sp)
module_sp->ResolveSymbolContextForAddress(addr, eSymbolContextEverything, sc);
// Use the "ref()" instead of the "get()" accessor in case the SBStream
// didn't have a stream already created, one will get created...
const char *disassemble_format = "${addr-file-or-load}: ";
m_opaque_sp->Dump (&s.ref(), 0, true, false, NULL, &sc, NULL, disassemble_format);
return true;
}
return false;
}
void
SBInstruction::Print (FILE *out)
{
if (out == NULL)
return;
if (m_opaque_sp)
{
SymbolContext sc;
const Address &addr = m_opaque_sp->GetAddress();
ModuleSP module_sp (addr.GetModule());
if (module_sp)
module_sp->ResolveSymbolContextForAddress(addr, eSymbolContextEverything, sc);
StreamFile out_stream (out, false);
const char *disassemble_format = "${addr-file-or-load}: ";
m_opaque_sp->Dump (&out_stream, 0, true, false, NULL, &sc, NULL, disassemble_format);
}
}
bool
SBInstruction::EmulateWithFrame (lldb::SBFrame &frame, uint32_t evaluate_options)
{
if (m_opaque_sp)
{
lldb::StackFrameSP frame_sp (frame.GetFrameSP());
if (frame_sp)
{
lldb_private::ExecutionContext exe_ctx;
frame_sp->CalculateExecutionContext (exe_ctx);
lldb_private::Target *target = exe_ctx.GetTargetPtr();
lldb_private::ArchSpec arch = target->GetArchitecture();
return m_opaque_sp->Emulate (arch,
evaluate_options,
(void *) frame_sp.get(),
&lldb_private::EmulateInstruction::ReadMemoryFrame,
&lldb_private::EmulateInstruction::WriteMemoryFrame,
&lldb_private::EmulateInstruction::ReadRegisterFrame,
&lldb_private::EmulateInstruction::WriteRegisterFrame);
}
}
return false;
}
bool
SBInstruction::DumpEmulation (const char *triple)
{
if (m_opaque_sp && triple)
{
lldb_private::ArchSpec arch (triple, NULL);
return m_opaque_sp->DumpEmulation (arch);
}
return false;
}
bool
SBInstruction::TestEmulation (lldb::SBStream &output_stream, const char *test_file)
{
if (!m_opaque_sp.get())
m_opaque_sp.reset (new PseudoInstruction());
return m_opaque_sp->TestEmulation (output_stream.get(), test_file);
}
lldb::AddressClass
SBInstruction::GetAddressClass ()
{
if (m_opaque_sp.get())
return m_opaque_sp->GetAddressClass();
return eAddressClassInvalid;
}
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