contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterContextMach_i386.cpp

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