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      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 
     24 RegisterContextMach_i386::RegisterContextMach_i386(Thread &thread, uint32_t concrete_frame_idx) :
     25     RegisterContextDarwin_i386 (thread, concrete_frame_idx)
     26 {
     27 }
     28 
     29 RegisterContextMach_i386::~RegisterContextMach_i386()
     30 {
     31 }
     32 
     33 int
     34 RegisterContextMach_i386::DoReadGPR (lldb::tid_t tid, int flavor, GPR &gpr)
     35 {
     36     mach_msg_type_number_t count = GPRWordCount;
     37     return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count);
     38 }
     39 
     40 int
     41 RegisterContextMach_i386::DoReadFPU (lldb::tid_t tid, int flavor, FPU &fpu)
     42 {
     43     mach_msg_type_number_t count = FPUWordCount;
     44     return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count);
     45 }
     46 
     47 int
     48 RegisterContextMach_i386::DoReadEXC (lldb::tid_t tid, int flavor, EXC &exc)
     49 {
     50     mach_msg_type_number_t count = EXCWordCount;
     51     return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count);
     52 }
     53 
     54 int
     55 RegisterContextMach_i386::DoWriteGPR (lldb::tid_t tid, int flavor, const GPR &gpr)
     56 {
     57     return ::thread_set_state(tid, flavor, (thread_state_t)&gpr, GPRWordCount);
     58 }
     59 
     60 int
     61 RegisterContextMach_i386::DoWriteFPU (lldb::tid_t tid, int flavor, const FPU &fpu)
     62 {
     63     return ::thread_set_state(tid, flavor, (thread_state_t)&fpu, FPUWordCount);
     64 }
     65 
     66 int
     67 RegisterContextMach_i386::DoWriteEXC (lldb::tid_t tid, int flavor, const EXC &exc)
     68 {
     69     return ::thread_set_state(tid, flavor, (thread_state_t)&exc, EXCWordCount);
     70 }
     71 
     72 #endif
     73