1 //===-- RegisterContextMach_i386.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 #include <mach/thread_act.h>
13
14 #include "RegisterContextMach_i386.h"
15
16 using namespace lldb;
17 using namespace lldb_private;
18
RegisterContextMach_i386(Thread & thread,uint32_t concrete_frame_idx)19 RegisterContextMach_i386::RegisterContextMach_i386(Thread &thread,
20 uint32_t concrete_frame_idx)
21 : RegisterContextDarwin_i386(thread, concrete_frame_idx) {}
22
~RegisterContextMach_i386()23 RegisterContextMach_i386::~RegisterContextMach_i386() {}
24
DoReadGPR(lldb::tid_t tid,int flavor,GPR & gpr)25 int RegisterContextMach_i386::DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) {
26 mach_msg_type_number_t count = GPRWordCount;
27 return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
28 }
29
DoReadFPU(lldb::tid_t tid,int flavor,FPU & fpu)30 int RegisterContextMach_i386::DoReadFPU(lldb::tid_t tid, int flavor, FPU &fpu) {
31 mach_msg_type_number_t count = FPUWordCount;
32 return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count);
33 }
34
DoReadEXC(lldb::tid_t tid,int flavor,EXC & exc)35 int RegisterContextMach_i386::DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc) {
36 mach_msg_type_number_t count = EXCWordCount;
37 return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
38 }
39
DoWriteGPR(lldb::tid_t tid,int flavor,const GPR & gpr)40 int RegisterContextMach_i386::DoWriteGPR(lldb::tid_t tid, int flavor,
41 const GPR &gpr) {
42 return ::thread_set_state(
43 tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
44 GPRWordCount);
45 }
46
DoWriteFPU(lldb::tid_t tid,int flavor,const FPU & fpu)47 int RegisterContextMach_i386::DoWriteFPU(lldb::tid_t tid, int flavor,
48 const FPU &fpu) {
49 return ::thread_set_state(
50 tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
51 FPUWordCount);
52 }
53
DoWriteEXC(lldb::tid_t tid,int flavor,const EXC & exc)54 int RegisterContextMach_i386::DoWriteEXC(lldb::tid_t tid, int flavor,
55 const EXC &exc) {
56 return ::thread_set_state(
57 tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
58 EXCWordCount);
59 }
60
61 #endif
62