1 //===-- RegisterContextMach_x86_64.cpp --------------------------*- C++ -*-===//
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 
15 using namespace lldb;
16 using namespace lldb_private;
17 
18 RegisterContextMach_x86_64::RegisterContextMach_x86_64(
19     Thread &thread, uint32_t concrete_frame_idx)
20     : RegisterContextDarwin_x86_64(thread, concrete_frame_idx) {}
21 
22 RegisterContextMach_x86_64::~RegisterContextMach_x86_64() {}
23 
24 int 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 
30 int 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 
36 int 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 
42 int 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 
49 int 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 
56 int 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