1//===-- RegisterContextKDP_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#include "RegisterContextKDP_i386.h"
10#include "ProcessKDP.h"
11#include "ThreadKDP.h"
12
13using namespace lldb;
14using namespace lldb_private;
15
16RegisterContextKDP_i386::RegisterContextKDP_i386(ThreadKDP &thread,
17 uint32_t concrete_frame_idx)
18 : RegisterContextDarwin_i386(thread, concrete_frame_idx),
19 m_kdp_thread(thread) {}
20
21RegisterContextKDP_i386::~RegisterContextKDP_i386() = default;
22
23int RegisterContextKDP_i386::DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) {
24 ProcessSP process_sp(CalculateProcess());
25 if (process_sp) {
26 Status error;
27 if (static_cast<ProcessKDP *>(process_sp.get())
28 ->GetCommunication()
29 .SendRequestReadRegisters(cpu: tid, flavor: GPRRegSet, dst: &gpr, dst_size: sizeof(gpr),
30 error)) {
31 if (error.Success())
32 return 0;
33 }
34 }
35 return -1;
36}
37
38int RegisterContextKDP_i386::DoReadFPU(lldb::tid_t tid, int flavor, FPU &fpu) {
39 ProcessSP process_sp(CalculateProcess());
40 if (process_sp) {
41 Status error;
42 if (static_cast<ProcessKDP *>(process_sp.get())
43 ->GetCommunication()
44 .SendRequestReadRegisters(cpu: tid, flavor: FPURegSet, dst: &fpu, dst_size: sizeof(fpu),
45 error)) {
46 if (error.Success())
47 return 0;
48 }
49 }
50 return -1;
51}
52
53int RegisterContextKDP_i386::DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc) {
54 ProcessSP process_sp(CalculateProcess());
55 if (process_sp) {
56 Status error;
57 if (static_cast<ProcessKDP *>(process_sp.get())
58 ->GetCommunication()
59 .SendRequestReadRegisters(cpu: tid, flavor: EXCRegSet, dst: &exc, dst_size: sizeof(exc),
60 error)) {
61 if (error.Success())
62 return 0;
63 }
64 }
65 return -1;
66}
67
68int RegisterContextKDP_i386::DoWriteGPR(lldb::tid_t tid, int flavor,
69 const GPR &gpr) {
70 ProcessSP process_sp(CalculateProcess());
71 if (process_sp) {
72 Status error;
73 if (static_cast<ProcessKDP *>(process_sp.get())
74 ->GetCommunication()
75 .SendRequestWriteRegisters(cpu: tid, flavor: GPRRegSet, src: &gpr, src_size: sizeof(gpr),
76 error)) {
77 if (error.Success())
78 return 0;
79 }
80 }
81 return -1;
82}
83
84int RegisterContextKDP_i386::DoWriteFPU(lldb::tid_t tid, int flavor,
85 const FPU &fpu) {
86 ProcessSP process_sp(CalculateProcess());
87 if (process_sp) {
88 Status error;
89 if (static_cast<ProcessKDP *>(process_sp.get())
90 ->GetCommunication()
91 .SendRequestWriteRegisters(cpu: tid, flavor: FPURegSet, src: &fpu, src_size: sizeof(fpu),
92 error)) {
93 if (error.Success())
94 return 0;
95 }
96 }
97 return -1;
98}
99
100int RegisterContextKDP_i386::DoWriteEXC(lldb::tid_t tid, int flavor,
101 const EXC &exc) {
102 ProcessSP process_sp(CalculateProcess());
103 if (process_sp) {
104 Status error;
105 if (static_cast<ProcessKDP *>(process_sp.get())
106 ->GetCommunication()
107 .SendRequestWriteRegisters(cpu: tid, flavor: EXCRegSet, src: &exc, src_size: sizeof(exc),
108 error)) {
109 if (error.Success())
110 return 0;
111 }
112 }
113 return -1;
114}
115

source code of lldb/source/Plugins/Process/MacOSX-Kernel/RegisterContextKDP_i386.cpp