llvm-project/lldb/source/Plugins/Process/Windows/MiniDump/ThreadWinMiniDump.cpp

105 lines
2.5 KiB
C++

//===-- ThreadWinMiniDump.cpp -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ThreadWinMiniDump.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Host/windows/windows.h"
#include <DbgHelp.h>
#include "ProcessWinMiniDump.h"
#if defined(_WIN64)
#include "x64/RegisterContextWindowsMiniDump_x64.h"
#else
#include "x86/RegisterContextWindowsMiniDump_x86.h"
#endif
using namespace lldb;
using namespace lldb_private;
// This is a minimal implementation in order to get something running. It will
// be fleshed out as more mini-dump functionality is added.
class ThreadWinMiniDump::Data {
public:
Data() : m_context(nullptr) {}
const CONTEXT *m_context;
};
ThreadWinMiniDump::ThreadWinMiniDump(lldb_private::Process &process, lldb::tid_t tid) :
Thread(process, tid),
m_data(new Data)
{
}
ThreadWinMiniDump::~ThreadWinMiniDump()
{
}
void
ThreadWinMiniDump::RefreshStateAfterStop()
{
}
lldb::RegisterContextSP
ThreadWinMiniDump::GetRegisterContext()
{
if (m_reg_context_sp.get() == NULL) {
m_reg_context_sp = CreateRegisterContextForFrame (NULL);
}
return m_reg_context_sp;
}
lldb::RegisterContextSP
ThreadWinMiniDump::CreateRegisterContextForFrame(lldb_private::StackFrame *frame)
{
const uint32_t concrete_frame_idx = (frame) ? frame->GetConcreteFrameIndex() : 0;
RegisterContextSP reg_ctx_sp;
ArchSpec arch = HostInfo::GetArchitecture();
switch (arch.GetMachine())
{
case llvm::Triple::x86:
#if defined(_WIN64)
// FIXME: This is a Wow64 process, create a RegisterContextWindows_Wow64
#else
reg_ctx_sp.reset(new RegisterContextWindowsMiniDump_x86(*this, concrete_frame_idx, m_data->m_context));
#endif
break;
case llvm::Triple::x86_64:
#if defined(_WIN64)
reg_ctx_sp.reset(new RegisterContextWindowsMiniDump_x64(*this, concrete_frame_idx, m_data->m_context));
#else
// LLDB is 32-bit, but the target process is 64-bit. We probably can't debug this.
#endif
default:
break;
}
return reg_ctx_sp;
}
void
ThreadWinMiniDump::ClearStackFrames()
{
}
void
ThreadWinMiniDump::SetContext(const void *context)
{
if (m_data)
{
m_data->m_context = static_cast<const CONTEXT *>(context);
}
}
bool
ThreadWinMiniDump::CalculateStopInfo()
{
return false;
}