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

   1 //===-- RegisterContextMach_arm.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 "RegisterContextMach_arm.h"
  13
  14 #include <mach/mach_types.h>
  15 #include <mach/thread_act.h>
  16
  17
  18 using namespace lldb;
  19 using namespace lldb_private;
  20
  21 RegisterContextMach_arm::RegisterContextMach_arm(Thread &thread,
  22                                                  uint32_t concrete_frame_idx)
  23     : RegisterContextDarwin_arm(thread, concrete_frame_idx) {}
  24
  25 RegisterContextMach_arm::~RegisterContextMach_arm() {}
  26
  27 int RegisterContextMach_arm::DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) {
  28   mach_msg_type_number_t count = GPRWordCount;
  29   return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
  30 }
  31
  32 int RegisterContextMach_arm::DoReadFPU(lldb::tid_t tid, int flavor, 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_arm::DoReadEXC(lldb::tid_t tid, int flavor, 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_arm::DoReadDBG(lldb::tid_t tid, int flavor, DBG &dbg) {
  43   mach_msg_type_number_t count = DBGWordCount;
  44   return ::thread_get_state(tid, flavor, (thread_state_t)&dbg, &count);
  45 }
  46
  47 int RegisterContextMach_arm::DoWriteGPR(lldb::tid_t tid, int flavor,
  48                                         const GPR &gpr) {
  49   return ::thread_set_state(
  50       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)),
  51       GPRWordCount);
  52 }
  53
  54 int RegisterContextMach_arm::DoWriteFPU(lldb::tid_t tid, int flavor,
  55                                         const FPU &fpu) {
  56   return ::thread_set_state(
  57       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)),
  58       FPUWordCount);
  59 }
  60
  61 int RegisterContextMach_arm::DoWriteEXC(lldb::tid_t tid, int flavor,
  62                                         const EXC &exc) {
  63   return ::thread_set_state(
  64       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)),
  65       EXCWordCount);
  66 }
  67
  68 int RegisterContextMach_arm::DoWriteDBG(lldb::tid_t tid, int flavor,
  69                                         const DBG &dbg) {
  70   return ::thread_set_state(
  71       tid, flavor, reinterpret_cast<thread_state_t>(const_cast<DBG *>(&dbg)),
  72       DBGWordCount);
  73 }
  74
  75 #endif