1 //===-- RegisterContextMach_x86_64.cpp --------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #if defined(__APPLE__)
11 
12 // C Includes
13 #include <mach/thread_act.h>
14 
15 // C++ Includes
16 // Other libraries and framework includes
17 // Project includes
18 #include "RegisterContextMach_x86_64.h"
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 RegisterContextMach_x86_64::RegisterContextMach_x86_64(
24     Thread &thread, uint32_t concrete_frame_idx)
25     : RegisterContextDarwin_x86_64(thread, concrete_frame_idx) {}
26 
27 RegisterContextMach_x86_64::~RegisterContextMach_x86_64() {}
28 
29 int RegisterContextMach_x86_64::DoReadGPR(lldb::tid_t tid, int flavor,
30                                           GPR &gpr) {
31   mach_msg_type_number_t count = GPRWordCount;
32   return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
33 }
34 
35 int RegisterContextMach_x86_64::DoReadFPU(lldb::tid_t tid, int flavor,
36                                           FPU &fpu) {
37   mach_msg_type_number_t count = FPUWordCount;
38   return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count);
39 }
40 
41 int RegisterContextMach_x86_64::DoReadEXC(lldb::tid_t tid, int flavor,
42                                           EXC &exc) {
43   mach_msg_type_number_t count = EXCWordCount;
44   return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
45 }
46 
47 int RegisterContextMach_x86_64::DoWriteGPR(lldb::tid_t tid, int flavor,
48                                            const GPR &gpr) {
49   return ::thread_set_state(
50       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
51       GPRWordCount);
52 }
53 
54 int RegisterContextMach_x86_64::DoWriteFPU(lldb::tid_t tid, int flavor,
55                                            const FPU &fpu) {
56   return ::thread_set_state(
57       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
58       FPUWordCount);
59 }
60 
61 int RegisterContextMach_x86_64::DoWriteEXC(lldb::tid_t tid, int flavor,
62                                            const EXC &exc) {
63   return ::thread_set_state(
64       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
65       EXCWordCount);
66 }
67 
68 #endif
69