1//===-- RegisterContextMach_arm.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 "RegisterContextMach_arm.h"
12
13#include <mach/mach_types.h>
14#include <mach/thread_act.h>
15
16
17using namespace lldb;
18using namespace lldb_private;
19
20RegisterContextMach_arm::RegisterContextMach_arm(Thread &thread,
21                                                 uint32_t concrete_frame_idx)
22    : RegisterContextDarwin_arm(thread, concrete_frame_idx) {}
23
24RegisterContextMach_arm::~RegisterContextMach_arm() = default;
25
26int RegisterContextMach_arm::DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) {
27  mach_msg_type_number_t count = GPRWordCount;
28  return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
29}
30
31int RegisterContextMach_arm::DoReadFPU(lldb::tid_t tid, int flavor, 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_arm::DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc) {
37  mach_msg_type_number_t count = EXCWordCount;
38  return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
39}
40
41int RegisterContextMach_arm::DoReadDBG(lldb::tid_t tid, int flavor, DBG &dbg) {
42  mach_msg_type_number_t count = DBGWordCount;
43  return ::thread_get_state(tid, flavor, (thread_state_t)&dbg, &count);
44}
45
46int RegisterContextMach_arm::DoWriteGPR(lldb::tid_t tid, int flavor,
47                                        const GPR &gpr) {
48  return ::thread_set_state(
49      tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
50      GPRWordCount);
51}
52
53int RegisterContextMach_arm::DoWriteFPU(lldb::tid_t tid, int flavor,
54                                        const FPU &fpu) {
55  return ::thread_set_state(
56      tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
57      FPUWordCount);
58}
59
60int RegisterContextMach_arm::DoWriteEXC(lldb::tid_t tid, int flavor,
61                                        const EXC &exc) {
62  return ::thread_set_state(
63      tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
64      EXCWordCount);
65}
66
67int RegisterContextMach_arm::DoWriteDBG(lldb::tid_t tid, int flavor,
68                                        const DBG &dbg) {
69  return ::thread_set_state(
70      tid, flavor, reinterpret_cast<thread_state_t>(const_cast<DBG *>(&dbg)),
71      DBGWordCount);
72}
73
74#endif
75