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119 lines
4.0 KiB
119 lines
4.0 KiB
//===-- ThreadMinidump.cpp ------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "ThreadMinidump.h"
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#include "ProcessMinidump.h"
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#include "RegisterContextMinidump_ARM.h"
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#include "RegisterContextMinidump_ARM64.h"
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#include "RegisterContextMinidump_x86_32.h"
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#include "RegisterContextMinidump_x86_64.h"
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#include "Plugins/Process/Utility/RegisterContextLinux_i386.h"
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#include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h"
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#include "Plugins/Process/elf-core/RegisterContextPOSIXCore_x86_64.h"
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#include "Plugins/Process/elf-core/RegisterUtilities.h"
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#include "lldb/Target/RegisterContext.h"
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#include "lldb/Target/StopInfo.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/Unwind.h"
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#include "lldb/Utility/DataExtractor.h"
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#include "lldb/Utility/Log.h"
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#include <memory>
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using namespace lldb;
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using namespace lldb_private;
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using namespace minidump;
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ThreadMinidump::ThreadMinidump(Process &process, const minidump::Thread &td,
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llvm::ArrayRef<uint8_t> gpregset_data)
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: Thread(process, td.ThreadId), m_thread_reg_ctx_sp(),
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m_gpregset_data(gpregset_data) {}
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ThreadMinidump::~ThreadMinidump() {}
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void ThreadMinidump::RefreshStateAfterStop() {}
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RegisterContextSP ThreadMinidump::GetRegisterContext() {
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if (!m_reg_context_sp) {
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m_reg_context_sp = CreateRegisterContextForFrame(nullptr);
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}
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return m_reg_context_sp;
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}
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RegisterContextSP
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ThreadMinidump::CreateRegisterContextForFrame(StackFrame *frame) {
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RegisterContextSP reg_ctx_sp;
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uint32_t concrete_frame_idx = 0;
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if (frame)
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concrete_frame_idx = frame->GetConcreteFrameIndex();
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if (concrete_frame_idx == 0) {
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if (m_thread_reg_ctx_sp)
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return m_thread_reg_ctx_sp;
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ProcessMinidump *process =
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static_cast<ProcessMinidump *>(GetProcess().get());
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ArchSpec arch = process->GetArchitecture();
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RegisterInfoInterface *reg_interface = nullptr;
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// TODO write other register contexts and add them here
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switch (arch.GetMachine()) {
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case llvm::Triple::x86: {
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reg_interface = new RegisterContextLinux_i386(arch);
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lldb::DataBufferSP buf =
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ConvertMinidumpContext_x86_32(m_gpregset_data, reg_interface);
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DataExtractor gpregset(buf, lldb::eByteOrderLittle, 4);
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m_thread_reg_ctx_sp = std::make_shared<RegisterContextCorePOSIX_x86_64>(
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*this, reg_interface, gpregset,
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llvm::ArrayRef<lldb_private::CoreNote>());
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break;
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}
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case llvm::Triple::x86_64: {
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reg_interface = new RegisterContextLinux_x86_64(arch);
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lldb::DataBufferSP buf =
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ConvertMinidumpContext_x86_64(m_gpregset_data, reg_interface);
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DataExtractor gpregset(buf, lldb::eByteOrderLittle, 8);
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m_thread_reg_ctx_sp = std::make_shared<RegisterContextCorePOSIX_x86_64>(
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*this, reg_interface, gpregset,
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llvm::ArrayRef<lldb_private::CoreNote>());
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break;
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}
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case llvm::Triple::aarch64: {
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DataExtractor data(m_gpregset_data.data(), m_gpregset_data.size(),
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lldb::eByteOrderLittle, 8);
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m_thread_reg_ctx_sp =
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std::make_shared<RegisterContextMinidump_ARM64>(*this, data);
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break;
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}
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case llvm::Triple::arm: {
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DataExtractor data(m_gpregset_data.data(), m_gpregset_data.size(),
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lldb::eByteOrderLittle, 8);
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const bool apple = arch.GetTriple().getVendor() == llvm::Triple::Apple;
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m_thread_reg_ctx_sp =
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std::make_shared<RegisterContextMinidump_ARM>(*this, data, apple);
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break;
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}
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default:
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break;
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}
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reg_ctx_sp = m_thread_reg_ctx_sp;
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} else if (m_unwinder_up) {
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reg_ctx_sp = m_unwinder_up->CreateRegisterContextForFrame(frame);
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}
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return reg_ctx_sp;
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}
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bool ThreadMinidump::CalculateStopInfo() { return false; }
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