1 //===-- RegisterContextMach_i386.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_i386.h"
14
15 using namespace lldb;
16 using namespace lldb_private;
17
RegisterContextMach_i386(Thread & thread,uint32_t concrete_frame_idx)18 RegisterContextMach_i386::RegisterContextMach_i386(Thread &thread,
19 uint32_t concrete_frame_idx)
20 : RegisterContextDarwin_i386(thread, concrete_frame_idx) {}
21
22 RegisterContextMach_i386::~RegisterContextMach_i386() = default;
23
DoReadGPR(lldb::tid_t tid,int flavor,GPR & gpr)24 int RegisterContextMach_i386::DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) {
25 mach_msg_type_number_t count = GPRWordCount;
26 return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
27 }
28
DoReadFPU(lldb::tid_t tid,int flavor,FPU & fpu)29 int RegisterContextMach_i386::DoReadFPU(lldb::tid_t tid, int flavor, FPU &fpu) {
30 mach_msg_type_number_t count = FPUWordCount;
31 return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count);
32 }
33
DoReadEXC(lldb::tid_t tid,int flavor,EXC & exc)34 int RegisterContextMach_i386::DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc) {
35 mach_msg_type_number_t count = EXCWordCount;
36 return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
37 }
38
DoWriteGPR(lldb::tid_t tid,int flavor,const GPR & gpr)39 int RegisterContextMach_i386::DoWriteGPR(lldb::tid_t tid, int flavor,
40 const GPR &gpr) {
41 return ::thread_set_state(
42 tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
43 GPRWordCount);
44 }
45
DoWriteFPU(lldb::tid_t tid,int flavor,const FPU & fpu)46 int RegisterContextMach_i386::DoWriteFPU(lldb::tid_t tid, int flavor,
47 const FPU &fpu) {
48 return ::thread_set_state(
49 tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
50 FPUWordCount);
51 }
52
DoWriteEXC(lldb::tid_t tid,int flavor,const EXC & exc)53 int RegisterContextMach_i386::DoWriteEXC(lldb::tid_t tid, int flavor,
54 const EXC &exc) {
55 return ::thread_set_state(
56 tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
57 EXCWordCount);
58 }
59
60 #endif
61