1//===-- RegisterContextKDP_arm.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_arm.h"
10
11#include "ProcessKDP.h"
12#include "ThreadKDP.h"
13
14using namespace lldb;
15using namespace lldb_private;
16
17RegisterContextKDP_arm::RegisterContextKDP_arm(ThreadKDP &thread,
18 uint32_t concrete_frame_idx)
19 : RegisterContextDarwin_arm(thread, concrete_frame_idx),
20 m_kdp_thread(thread) {}
21
22RegisterContextKDP_arm::~RegisterContextKDP_arm() = default;
23
24int RegisterContextKDP_arm::DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) {
25 ProcessSP process_sp(CalculateProcess());
26 if (process_sp) {
27 Status error;
28 if (static_cast<ProcessKDP *>(process_sp.get())
29 ->GetCommunication()
30 .SendRequestReadRegisters(cpu: tid, flavor: GPRRegSet, dst: &gpr, dst_size: sizeof(gpr),
31 error)) {
32 if (error.Success())
33 return 0;
34 }
35 }
36 return -1;
37}
38
39int RegisterContextKDP_arm::DoReadFPU(lldb::tid_t tid, int flavor, FPU &fpu) {
40 ProcessSP process_sp(CalculateProcess());
41 if (process_sp) {
42 Status error;
43 if (static_cast<ProcessKDP *>(process_sp.get())
44 ->GetCommunication()
45 .SendRequestReadRegisters(cpu: tid, flavor: FPURegSet, dst: &fpu, dst_size: sizeof(fpu),
46 error)) {
47 if (error.Success())
48 return 0;
49 }
50 }
51 return -1;
52}
53
54int RegisterContextKDP_arm::DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc) {
55 ProcessSP process_sp(CalculateProcess());
56 if (process_sp) {
57 Status error;
58 if (static_cast<ProcessKDP *>(process_sp.get())
59 ->GetCommunication()
60 .SendRequestReadRegisters(cpu: tid, flavor: EXCRegSet, dst: &exc, dst_size: sizeof(exc),
61 error)) {
62 if (error.Success())
63 return 0;
64 }
65 }
66 return -1;
67}
68
69int RegisterContextKDP_arm::DoReadDBG(lldb::tid_t tid, int flavor, DBG &dbg) {
70 ProcessSP process_sp(CalculateProcess());
71 if (process_sp) {
72 Status error;
73 if (static_cast<ProcessKDP *>(process_sp.get())
74 ->GetCommunication()
75 .SendRequestReadRegisters(cpu: tid, flavor: DBGRegSet, dst: &dbg, dst_size: sizeof(dbg),
76 error)) {
77 if (error.Success())
78 return 0;
79 }
80 }
81 return -1;
82}
83
84int RegisterContextKDP_arm::DoWriteGPR(lldb::tid_t tid, int flavor,
85 const GPR &gpr) {
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: GPRRegSet, src: &gpr, src_size: sizeof(gpr),
92 error)) {
93 if (error.Success())
94 return 0;
95 }
96 }
97 return -1;
98}
99
100int RegisterContextKDP_arm::DoWriteFPU(lldb::tid_t tid, int flavor,
101 const FPU &fpu) {
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: FPURegSet, src: &fpu, src_size: sizeof(fpu),
108 error)) {
109 if (error.Success())
110 return 0;
111 }
112 }
113 return -1;
114}
115
116int RegisterContextKDP_arm::DoWriteEXC(lldb::tid_t tid, int flavor,
117 const EXC &exc) {
118 ProcessSP process_sp(CalculateProcess());
119 if (process_sp) {
120 Status error;
121 if (static_cast<ProcessKDP *>(process_sp.get())
122 ->GetCommunication()
123 .SendRequestWriteRegisters(cpu: tid, flavor: EXCRegSet, src: &exc, src_size: sizeof(exc),
124 error)) {
125 if (error.Success())
126 return 0;
127 }
128 }
129 return -1;
130}
131
132int RegisterContextKDP_arm::DoWriteDBG(lldb::tid_t tid, int flavor,
133 const DBG &dbg) {
134 ProcessSP process_sp(CalculateProcess());
135 if (process_sp) {
136 Status error;
137 if (static_cast<ProcessKDP *>(process_sp.get())
138 ->GetCommunication()
139 .SendRequestWriteRegisters(cpu: tid, flavor: DBGRegSet, src: &dbg, src_size: sizeof(dbg),
140 error)) {
141 if (error.Success())
142 return 0;
143 }
144 }
145 return -1;
146}
147

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