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

   1 //===-- RegisterContextMach_x86_64.cpp --------------------------*- C++ -*-===//
   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_x86_64.h"
  14
  15 using namespace lldb;
  16 using namespace lldb_private;
  17
  18 RegisterContextMach_x86_64::RegisterContextMach_x86_64(
  19     Thread &thread, uint32_t concrete_frame_idx)
  20     : RegisterContextDarwin_x86_64(thread, concrete_frame_idx) {}
  21
  22 RegisterContextMach_x86_64::~RegisterContextMach_x86_64() {}
  23
  24 int RegisterContextMach_x86_64::DoReadGPR(lldb::tid_t tid, int flavor,
  25                                           GPR &gpr) {
  26   mach_msg_type_number_t count = GPRWordCount;
  27   return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
  28 }
  29
  30 int RegisterContextMach_x86_64::DoReadFPU(lldb::tid_t tid, int flavor,
  31                                           FPU &fpu) {
  32   mach_msg_type_number_t count = FPUWordCount;
  33   return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count);
  34 }
  35
  36 int RegisterContextMach_x86_64::DoReadEXC(lldb::tid_t tid, int flavor,
  37                                           EXC &exc) {
  38   mach_msg_type_number_t count = EXCWordCount;
  39   return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
  40 }
  41
  42 int RegisterContextMach_x86_64::DoWriteGPR(lldb::tid_t tid, int flavor,
  43                                            const GPR &gpr) {
  44   return ::thread_set_state(
  45       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
  46       GPRWordCount);
  47 }
  48
  49 int RegisterContextMach_x86_64::DoWriteFPU(lldb::tid_t tid, int flavor,
  50                                            const FPU &fpu) {
  51   return ::thread_set_state(
  52       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
  53       FPUWordCount);
  54 }
  55
  56 int RegisterContextMach_x86_64::DoWriteEXC(lldb::tid_t tid, int flavor,
  57                                            const EXC &exc) {
  58   return ::thread_set_state(
  59       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
  60       EXCWordCount);
  61 }
  62
  63 #endif