contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterContextMach_x86_64.cpp

   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 #include <mach/thread_act.h>
  13
  14 #include "RegisterContextMach_x86_64.h"
  15
  16 using namespace lldb;
  17 using namespace lldb_private;
  18
  19 RegisterContextMach_x86_64::RegisterContextMach_x86_64(
  20     Thread &thread, uint32_t concrete_frame_idx)
  21     : RegisterContextDarwin_x86_64(thread, concrete_frame_idx) {}
  22
  23 RegisterContextMach_x86_64::~RegisterContextMach_x86_64() {}
  24
  25 int RegisterContextMach_x86_64::DoReadGPR(lldb::tid_t tid, int flavor,
  26                                           GPR &gpr) {
  27   mach_msg_type_number_t count = GPRWordCount;
  28   return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
  29 }
  30
  31 int RegisterContextMach_x86_64::DoReadFPU(lldb::tid_t tid, int flavor,
  32                                           FPU &fpu) {
  33   mach_msg_type_number_t count = FPUWordCount;
  34   return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count);
  35 }
  36
  37 int RegisterContextMach_x86_64::DoReadEXC(lldb::tid_t tid, int flavor,
  38                                           EXC &exc) {
  39   mach_msg_type_number_t count = EXCWordCount;
  40   return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
  41 }
  42
  43 int RegisterContextMach_x86_64::DoWriteGPR(lldb::tid_t tid, int flavor,
  44                                            const GPR &gpr) {
  45   return ::thread_set_state(
  46       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
  47       GPRWordCount);
  48 }
  49
  50 int RegisterContextMach_x86_64::DoWriteFPU(lldb::tid_t tid, int flavor,
  51                                            const FPU &fpu) {
  52   return ::thread_set_state(
  53       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
  54       FPUWordCount);
  55 }
  56
  57 int RegisterContextMach_x86_64::DoWriteEXC(lldb::tid_t tid, int flavor,
  58                                            const EXC &exc) {
  59   return ::thread_set_state(
  60       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
  61       EXCWordCount);
  62 }
  63
  64 #endif