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