87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
//===-- ThreadFreeBSDKernel.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 "ThreadFreeBSDKernel.h"
|
|
|
|
#include "lldb/Target/Unwind.h"
|
|
#include "lldb/Utility/Log.h"
|
|
|
|
#include "Plugins/Process/Utility/RegisterContextFreeBSD_i386.h"
|
|
#include "Plugins/Process/Utility/RegisterContextFreeBSD_x86_64.h"
|
|
#include "Plugins/Process/Utility/RegisterInfoPOSIX_arm64.h"
|
|
#include "ProcessFreeBSDKernel.h"
|
|
#include "RegisterContextFreeBSDKernel_arm64.h"
|
|
#include "RegisterContextFreeBSDKernel_i386.h"
|
|
#include "RegisterContextFreeBSDKernel_x86_64.h"
|
|
#include "ThreadFreeBSDKernel.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
ThreadFreeBSDKernel::ThreadFreeBSDKernel(Process &process, lldb::tid_t tid,
|
|
lldb::addr_t pcb_addr,
|
|
std::string thread_name)
|
|
: Thread(process, tid), m_thread_name(std::move(thread_name)),
|
|
m_pcb_addr(pcb_addr) {}
|
|
|
|
ThreadFreeBSDKernel::~ThreadFreeBSDKernel() {}
|
|
|
|
void ThreadFreeBSDKernel::RefreshStateAfterStop() {}
|
|
|
|
lldb::RegisterContextSP ThreadFreeBSDKernel::GetRegisterContext() {
|
|
if (!m_reg_context_sp)
|
|
m_reg_context_sp = CreateRegisterContextForFrame(nullptr);
|
|
return m_reg_context_sp;
|
|
}
|
|
|
|
lldb::RegisterContextSP
|
|
ThreadFreeBSDKernel::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;
|
|
|
|
ProcessFreeBSDKernel *process =
|
|
static_cast<ProcessFreeBSDKernel *>(GetProcess().get());
|
|
ArchSpec arch = process->GetTarget().GetArchitecture();
|
|
|
|
switch (arch.GetMachine()) {
|
|
case llvm::Triple::aarch64:
|
|
m_thread_reg_ctx_sp =
|
|
std::make_shared<RegisterContextFreeBSDKernel_arm64>(
|
|
*this, std::make_unique<RegisterInfoPOSIX_arm64>(arch, 0),
|
|
m_pcb_addr);
|
|
break;
|
|
case llvm::Triple::x86:
|
|
m_thread_reg_ctx_sp = std::make_shared<RegisterContextFreeBSDKernel_i386>(
|
|
*this, new RegisterContextFreeBSD_i386(arch), m_pcb_addr);
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
m_thread_reg_ctx_sp =
|
|
std::make_shared<RegisterContextFreeBSDKernel_x86_64>(
|
|
*this, new RegisterContextFreeBSD_x86_64(arch), m_pcb_addr);
|
|
break;
|
|
default:
|
|
assert(false && "Unsupported architecture passed to ThreadFreeBSDKernel");
|
|
break;
|
|
}
|
|
|
|
reg_ctx_sp = m_thread_reg_ctx_sp;
|
|
} else {
|
|
reg_ctx_sp = GetUnwinder().CreateRegisterContextForFrame(frame);
|
|
}
|
|
return reg_ctx_sp;
|
|
}
|
|
|
|
bool ThreadFreeBSDKernel::CalculateStopInfo() { return false; }
|