You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
4.0 KiB
119 lines
4.0 KiB
4 months ago
|
//===-- ThreadMinidump.cpp ------------------------------------------------===//
|
||
|
//
|
||
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#include "ThreadMinidump.h"
|
||
|
|
||
|
#include "ProcessMinidump.h"
|
||
|
|
||
|
#include "RegisterContextMinidump_ARM.h"
|
||
|
#include "RegisterContextMinidump_ARM64.h"
|
||
|
#include "RegisterContextMinidump_x86_32.h"
|
||
|
#include "RegisterContextMinidump_x86_64.h"
|
||
|
|
||
|
#include "Plugins/Process/Utility/RegisterContextLinux_i386.h"
|
||
|
#include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h"
|
||
|
#include "Plugins/Process/elf-core/RegisterContextPOSIXCore_x86_64.h"
|
||
|
#include "Plugins/Process/elf-core/RegisterUtilities.h"
|
||
|
|
||
|
#include "lldb/Target/RegisterContext.h"
|
||
|
#include "lldb/Target/StopInfo.h"
|
||
|
#include "lldb/Target/Target.h"
|
||
|
#include "lldb/Target/Unwind.h"
|
||
|
#include "lldb/Utility/DataExtractor.h"
|
||
|
#include "lldb/Utility/Log.h"
|
||
|
|
||
|
#include <memory>
|
||
|
|
||
|
using namespace lldb;
|
||
|
using namespace lldb_private;
|
||
|
using namespace minidump;
|
||
|
|
||
|
ThreadMinidump::ThreadMinidump(Process &process, const minidump::Thread &td,
|
||
|
llvm::ArrayRef<uint8_t> gpregset_data)
|
||
|
: Thread(process, td.ThreadId), m_thread_reg_ctx_sp(),
|
||
|
m_gpregset_data(gpregset_data) {}
|
||
|
|
||
|
ThreadMinidump::~ThreadMinidump() {}
|
||
|
|
||
|
void ThreadMinidump::RefreshStateAfterStop() {}
|
||
|
|
||
|
RegisterContextSP ThreadMinidump::GetRegisterContext() {
|
||
|
if (!m_reg_context_sp) {
|
||
|
m_reg_context_sp = CreateRegisterContextForFrame(nullptr);
|
||
|
}
|
||
|
return m_reg_context_sp;
|
||
|
}
|
||
|
|
||
|
RegisterContextSP
|
||
|
ThreadMinidump::CreateRegisterContextForFrame(StackFrame *frame) {
|
||
|
RegisterContextSP reg_ctx_sp;
|
||
|
uint32_t concrete_frame_idx = 0;
|
||
|
|
||
|
if (frame)
|
||
|
concrete_frame_idx = frame->GetConcreteFrameIndex();
|
||
|
|
||
|
if (concrete_frame_idx == 0) {
|
||
|
if (m_thread_reg_ctx_sp)
|
||
|
return m_thread_reg_ctx_sp;
|
||
|
|
||
|
ProcessMinidump *process =
|
||
|
static_cast<ProcessMinidump *>(GetProcess().get());
|
||
|
ArchSpec arch = process->GetArchitecture();
|
||
|
RegisterInfoInterface *reg_interface = nullptr;
|
||
|
|
||
|
// TODO write other register contexts and add them here
|
||
|
switch (arch.GetMachine()) {
|
||
|
case llvm::Triple::x86: {
|
||
|
reg_interface = new RegisterContextLinux_i386(arch);
|
||
|
lldb::DataBufferSP buf =
|
||
|
ConvertMinidumpContext_x86_32(m_gpregset_data, reg_interface);
|
||
|
DataExtractor gpregset(buf, lldb::eByteOrderLittle, 4);
|
||
|
m_thread_reg_ctx_sp = std::make_shared<RegisterContextCorePOSIX_x86_64>(
|
||
|
*this, reg_interface, gpregset,
|
||
|
llvm::ArrayRef<lldb_private::CoreNote>());
|
||
|
break;
|
||
|
}
|
||
|
case llvm::Triple::x86_64: {
|
||
|
reg_interface = new RegisterContextLinux_x86_64(arch);
|
||
|
lldb::DataBufferSP buf =
|
||
|
ConvertMinidumpContext_x86_64(m_gpregset_data, reg_interface);
|
||
|
DataExtractor gpregset(buf, lldb::eByteOrderLittle, 8);
|
||
|
m_thread_reg_ctx_sp = std::make_shared<RegisterContextCorePOSIX_x86_64>(
|
||
|
*this, reg_interface, gpregset,
|
||
|
llvm::ArrayRef<lldb_private::CoreNote>());
|
||
|
break;
|
||
|
}
|
||
|
case llvm::Triple::aarch64: {
|
||
|
DataExtractor data(m_gpregset_data.data(), m_gpregset_data.size(),
|
||
|
lldb::eByteOrderLittle, 8);
|
||
|
m_thread_reg_ctx_sp =
|
||
|
std::make_shared<RegisterContextMinidump_ARM64>(*this, data);
|
||
|
break;
|
||
|
}
|
||
|
case llvm::Triple::arm: {
|
||
|
DataExtractor data(m_gpregset_data.data(), m_gpregset_data.size(),
|
||
|
lldb::eByteOrderLittle, 8);
|
||
|
const bool apple = arch.GetTriple().getVendor() == llvm::Triple::Apple;
|
||
|
m_thread_reg_ctx_sp =
|
||
|
std::make_shared<RegisterContextMinidump_ARM>(*this, data, apple);
|
||
|
break;
|
||
|
}
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
reg_ctx_sp = m_thread_reg_ctx_sp;
|
||
|
} else if (m_unwinder_up) {
|
||
|
reg_ctx_sp = m_unwinder_up->CreateRegisterContextForFrame(frame);
|
||
|
}
|
||
|
|
||
|
return reg_ctx_sp;
|
||
|
}
|
||
|
|
||
|
bool ThreadMinidump::CalculateStopInfo() { return false; }
|