llvm-project/lldb/source/Host/common/NativeThreadProtocol.cpp

69 lines
2.4 KiB
C++

//===-- NativeThreadProtocol.cpp --------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Host/common/NativeThreadProtocol.h"
#include "lldb/Host/common/NativeProcessProtocol.h"
#include "lldb/Host/common/NativeRegisterContext.h"
#include "lldb/Host/common/SoftwareBreakpoint.h"
using namespace lldb;
using namespace lldb_private;
NativeThreadProtocol::NativeThreadProtocol(NativeProcessProtocol *process,
lldb::tid_t tid)
: m_process_wp(process->shared_from_this()), m_tid(tid) {}
Error NativeThreadProtocol::ReadRegister(uint32_t reg,
RegisterValue &reg_value) {
NativeRegisterContextSP register_context_sp = GetRegisterContext();
if (!register_context_sp)
return Error("no register context");
const RegisterInfo *const reg_info =
register_context_sp->GetRegisterInfoAtIndex(reg);
if (!reg_info)
return Error("no register info for reg num %" PRIu32, reg);
return register_context_sp->ReadRegister(reg_info, reg_value);
;
}
Error NativeThreadProtocol::WriteRegister(uint32_t reg,
const RegisterValue &reg_value) {
NativeRegisterContextSP register_context_sp = GetRegisterContext();
if (!register_context_sp)
return Error("no register context");
const RegisterInfo *const reg_info =
register_context_sp->GetRegisterInfoAtIndex(reg);
if (!reg_info)
return Error("no register info for reg num %" PRIu32, reg);
return register_context_sp->WriteRegister(reg_info, reg_value);
}
Error NativeThreadProtocol::SaveAllRegisters(lldb::DataBufferSP &data_sp) {
NativeRegisterContextSP register_context_sp = GetRegisterContext();
if (!register_context_sp)
return Error("no register context");
return register_context_sp->WriteAllRegisterValues(data_sp);
}
Error NativeThreadProtocol::RestoreAllRegisters(lldb::DataBufferSP &data_sp) {
NativeRegisterContextSP register_context_sp = GetRegisterContext();
if (!register_context_sp)
return Error("no register context");
return register_context_sp->ReadAllRegisterValues(data_sp);
}
NativeProcessProtocolSP NativeThreadProtocol::GetProcess() {
return m_process_wp.lock();
}