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;
}
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.reset(new RegisterContextCorePOSIX_x86_64(
*this, reg_interface, gpregset, {}));
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.reset(new RegisterContextCorePOSIX_x86_64(
*this, reg_interface, gpregset, {}));
break;
}
case llvm::Triple::aarch64: {
DataExtractor data(m_gpregset_data.data(), m_gpregset_data.size(),
lldb::eByteOrderLittle, 8);
m_thread_reg_ctx_sp.reset(new 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.reset(
new RegisterContextMinidump_ARM(*this, data, apple));
break;
}
default:
break;
}
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;
}