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//===-- ThreadMinidump.cpp --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Project includes
#include "ThreadMinidump.h"
#include "ProcessMinidump.h"
#include "RegisterContextMinidump_x86_32.h"
#include "RegisterContextMinidump_x86_64.h"
// Other libraries and framework includes
#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 "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"
// C Includes
// C++ Includes
using namespace lldb;
using namespace lldb_private;
using namespace minidump;
ThreadMinidump::ThreadMinidump(Process &process, const MinidumpThread &td,
llvm::ArrayRef<uint8_t> gpregset_data)
: Thread(process, td.thread_id), m_thread_reg_ctx_sp(),
m_gpregset_data(gpregset_data) {}
ThreadMinidump::~ThreadMinidump() {}
void ThreadMinidump::RefreshStateAfterStop() {}
void ThreadMinidump::ClearStackFrames() {}
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;
Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
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 gpregs(buf, lldb::eByteOrderLittle, 4);
DataExtractor fpregs;
m_thread_reg_ctx_sp.reset(new RegisterContextCorePOSIX_x86_64(
*this, reg_interface, gpregs, fpregs));
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 gpregs(buf, lldb::eByteOrderLittle, 8);
DataExtractor fpregs;
m_thread_reg_ctx_sp.reset(new RegisterContextCorePOSIX_x86_64(
*this, reg_interface, gpregs, fpregs));
break;
}
default:
break;
}
if (!reg_interface) {
if (log)
log->Printf("elf-core::%s:: Architecture(%d) not supported",
__FUNCTION__, arch.GetMachine());
assert(false && "Architecture not supported");
}
reg_ctx_sp = m_thread_reg_ctx_sp;
} else if (m_unwinder_ap) {
reg_ctx_sp = m_unwinder_ap->CreateRegisterContextForFrame(frame);
}
return reg_ctx_sp;
}
bool ThreadMinidump::CalculateStopInfo() { return false; }
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