| 1 | //===-- RegisterContextMach_i386.cpp --------------------------------------===// |
| 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_i386.h" |
| 14 | |
| 15 | using namespace lldb; |
| 16 | using namespace lldb_private; |
| 17 | |
| 18 | RegisterContextMach_i386::RegisterContextMach_i386(Thread &thread, |
| 19 | uint32_t concrete_frame_idx) |
| 20 | : RegisterContextDarwin_i386(thread, concrete_frame_idx) {} |
| 21 | |
| 22 | RegisterContextMach_i386::~RegisterContextMach_i386() = default; |
| 23 | |
| 24 | int RegisterContextMach_i386::DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) { |
| 25 | mach_msg_type_number_t count = GPRWordCount; |
| 26 | return ::thread_get_state(tid, flavor, (thread_state_t)&gpr, &count); |
| 27 | } |
| 28 | |
| 29 | int RegisterContextMach_i386::DoReadFPU(lldb::tid_t tid, int flavor, FPU &fpu) { |
| 30 | mach_msg_type_number_t count = FPUWordCount; |
| 31 | return ::thread_get_state(tid, flavor, (thread_state_t)&fpu, &count); |
| 32 | } |
| 33 | |
| 34 | int RegisterContextMach_i386::DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc) { |
| 35 | mach_msg_type_number_t count = EXCWordCount; |
| 36 | return ::thread_get_state(tid, flavor, (thread_state_t)&exc, &count); |
| 37 | } |
| 38 | |
| 39 | int RegisterContextMach_i386::DoWriteGPR(lldb::tid_t tid, int flavor, |
| 40 | const GPR &gpr) { |
| 41 | return ::thread_set_state( |
| 42 | tid, flavor, reinterpret_cast<thread_state_t>(const_cast<GPR *>(&gpr)), |
| 43 | GPRWordCount); |
| 44 | } |
| 45 | |
| 46 | int RegisterContextMach_i386::DoWriteFPU(lldb::tid_t tid, int flavor, |
| 47 | const FPU &fpu) { |
| 48 | return ::thread_set_state( |
| 49 | tid, flavor, reinterpret_cast<thread_state_t>(const_cast<FPU *>(&fpu)), |
| 50 | FPUWordCount); |
| 51 | } |
| 52 | |
| 53 | int RegisterContextMach_i386::DoWriteEXC(lldb::tid_t tid, int flavor, |
| 54 | const EXC &exc) { |
| 55 | return ::thread_set_state( |
| 56 | tid, flavor, reinterpret_cast<thread_state_t>(const_cast<EXC *>(&exc)), |
| 57 | EXCWordCount); |
| 58 | } |
| 59 | |
| 60 | #endif |
| 61 | |