1//===-- RegisterContextMach_x86_64.cpp ------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#if defined(__APPLE__)
10
11#include <mach/thread_act.h>
12
13#include "RegisterContextMach_x86_64.h"
14
15using namespace lldb;
16using namespace lldb_private;
17
18RegisterContextMach_x86_64::RegisterContextMach_x86_64(
19    Thread &thread, uint32_t concrete_frame_idx)
20    : RegisterContextDarwin_x86_64(thread, concrete_frame_idx) {}
21
22RegisterContextMach_x86_64::~RegisterContextMach_x86_64() = default;
23
24int RegisterContextMach_x86_64::DoReadGPR(lldb::tid_t tid, int flavor,
25                                          GPR &gpr) {
26  mach_msg_type_number_t count = GPRWordCount;
27  return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
28}
29
30int RegisterContextMach_x86_64::DoReadFPU(lldb::tid_t tid, int flavor,
31                                          FPU &fpu) {
32  mach_msg_type_number_t count = FPUWordCount;
33  return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count);
34}
35
36int RegisterContextMach_x86_64::DoReadEXC(lldb::tid_t tid, int flavor,
37                                          EXC &exc) {
38  mach_msg_type_number_t count = EXCWordCount;
39  return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
40}
41
42int RegisterContextMach_x86_64::DoWriteGPR(lldb::tid_t tid, int flavor,
43                                           const GPR &gpr) {
44  return ::thread_set_state(
45      tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
46      GPRWordCount);
47}
48
49int RegisterContextMach_x86_64::DoWriteFPU(lldb::tid_t tid, int flavor,
50                                           const FPU &fpu) {
51  return ::thread_set_state(
52      tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
53      FPUWordCount);
54}
55
56int RegisterContextMach_x86_64::DoWriteEXC(lldb::tid_t tid, int flavor,
57                                           const EXC &exc) {
58  return ::thread_set_state(
59      tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
60      EXCWordCount);
61}
62
63#endif
64