1/*
2 * Copyright 2014 Google, Inc.
3 * Copyright (c) 2007 The Hewlett-Packard Development Company
4 * All rights reserved.
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating
9 * to a hardware implementation of the functionality of the software
10 * licensed hereunder. You may use the software subject to the license
11 * terms below provided that you ensure that this notice is replicated
12 * unmodified and in its entirety in all distributions of the software,
13 * modified or unmodified, in source code or in binary form.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions are
17 * met: redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer;
19 * redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution;
22 * neither the name of the copyright holders nor the names of its
23 * contributors may be used to endorse or promote products derived from
24 * this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * Authors: Gabe Black
39 */
40
41#include <sys/signal.h>
42#include <unistd.h>
43
44#include <string>
45
46#include "arch/x86/regs/int.hh"
47#include "arch/x86/regs/misc.hh"
48#include "arch/x86/pagetable_walker.hh"
49#include "arch/x86/process.hh"
50#include "arch/x86/remote_gdb.hh"
51#include "arch/vtophys.hh"
52#include "base/remote_gdb.hh"
53#include "base/socket.hh"
54#include "base/trace.hh"
55#include "cpu/base.hh"
56#include "cpu/thread_context.hh"
57#include "mem/page_table.hh"
58#include "sim/full_system.hh"
59
60using namespace std;
61using namespace X86ISA;
62
63RemoteGDB::RemoteGDB(System *_system, ThreadContext *c) :
| 1/*
2 * Copyright 2014 Google, Inc.
3 * Copyright (c) 2007 The Hewlett-Packard Development Company
4 * All rights reserved.
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating
9 * to a hardware implementation of the functionality of the software
10 * licensed hereunder. You may use the software subject to the license
11 * terms below provided that you ensure that this notice is replicated
12 * unmodified and in its entirety in all distributions of the software,
13 * modified or unmodified, in source code or in binary form.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions are
17 * met: redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer;
19 * redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution;
22 * neither the name of the copyright holders nor the names of its
23 * contributors may be used to endorse or promote products derived from
24 * this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * Authors: Gabe Black
39 */
40
41#include <sys/signal.h>
42#include <unistd.h>
43
44#include <string>
45
46#include "arch/x86/regs/int.hh"
47#include "arch/x86/regs/misc.hh"
48#include "arch/x86/pagetable_walker.hh"
49#include "arch/x86/process.hh"
50#include "arch/x86/remote_gdb.hh"
51#include "arch/vtophys.hh"
52#include "base/remote_gdb.hh"
53#include "base/socket.hh"
54#include "base/trace.hh"
55#include "cpu/base.hh"
56#include "cpu/thread_context.hh"
57#include "mem/page_table.hh"
58#include "sim/full_system.hh"
59
60using namespace std;
61using namespace X86ISA;
62
63RemoteGDB::RemoteGDB(System *_system, ThreadContext *c) :
|
64 BaseRemoteGDB(_system, c, GDB_REG_BYTES), singleStepEvent(this)
| 64 BaseRemoteGDB(_system, c, GDB_REG_BYTES)
|
65{}
66
67bool
68RemoteGDB::acc(Addr va, size_t len)
69{
70 if (FullSystem) {
71 Walker *walker = context->getDTBPtr()->getWalker();
72 unsigned logBytes;
73 Fault fault = walker->startFunctional(context, va, logBytes,
74 BaseTLB::Read);
75 if (fault != NoFault)
76 return false;
77
78 Addr endVa = va + len - 1;
79 if ((va & ~mask(logBytes)) == (endVa & ~mask(logBytes)))
80 return true;
81
82 fault = walker->startFunctional(context, endVa, logBytes,
83 BaseTLB::Read);
84 return fault == NoFault;
85 } else {
86 TlbEntry entry;
87 return context->getProcessPtr()->pTable->lookup(va, entry);
88 }
89}
90
91void
| 65{}
66
67bool
68RemoteGDB::acc(Addr va, size_t len)
69{
70 if (FullSystem) {
71 Walker *walker = context->getDTBPtr()->getWalker();
72 unsigned logBytes;
73 Fault fault = walker->startFunctional(context, va, logBytes,
74 BaseTLB::Read);
75 if (fault != NoFault)
76 return false;
77
78 Addr endVa = va + len - 1;
79 if ((va & ~mask(logBytes)) == (endVa & ~mask(logBytes)))
80 return true;
81
82 fault = walker->startFunctional(context, endVa, logBytes,
83 BaseTLB::Read);
84 return fault == NoFault;
85 } else {
86 TlbEntry entry;
87 return context->getProcessPtr()->pTable->lookup(va, entry);
88 }
89}
90
91void
|
92RemoteGDB::SingleStepEvent::process()
93{
94 if (!gdb->singleStepEvent.scheduled())
95 gdb->scheduleInstCommitEvent(&gdb->singleStepEvent, 1);
96 gdb->trap(SIGTRAP);
97}
98
99void
| |
100RemoteGDB::getregs()
101{
102 HandyM5Reg m5reg = context->readMiscRegNoEffect(MISCREG_M5_REG);
103 if (m5reg.submode == SixtyFourBitMode) {
104 gdbregs.regs64[GDB64_RAX] = context->readIntReg(INTREG_RAX);
105 gdbregs.regs64[GDB64_RBX] = context->readIntReg(INTREG_RBX);
106 gdbregs.regs64[GDB64_RCX] = context->readIntReg(INTREG_RCX);
107 gdbregs.regs64[GDB64_RDX] = context->readIntReg(INTREG_RDX);
108 gdbregs.regs64[GDB64_RSI] = context->readIntReg(INTREG_RSI);
109 gdbregs.regs64[GDB64_RDI] = context->readIntReg(INTREG_RDI);
110 gdbregs.regs64[GDB64_RBP] = context->readIntReg(INTREG_RBP);
111 gdbregs.regs64[GDB64_RSP] = context->readIntReg(INTREG_RSP);
112 gdbregs.regs64[GDB64_R8] = context->readIntReg(INTREG_R8);
113 gdbregs.regs64[GDB64_R9] = context->readIntReg(INTREG_R9);
114 gdbregs.regs64[GDB64_R10] = context->readIntReg(INTREG_R10);
115 gdbregs.regs64[GDB64_R11] = context->readIntReg(INTREG_R11);
116 gdbregs.regs64[GDB64_R12] = context->readIntReg(INTREG_R12);
117 gdbregs.regs64[GDB64_R13] = context->readIntReg(INTREG_R13);
118 gdbregs.regs64[GDB64_R14] = context->readIntReg(INTREG_R14);
119 gdbregs.regs64[GDB64_R15] = context->readIntReg(INTREG_R15);
120 gdbregs.regs64[GDB64_RIP] = context->pcState().pc();
121 gdbregs.regs32[GDB64_RFLAGS_32] =
122 context->readMiscRegNoEffect(MISCREG_RFLAGS);
123 gdbregs.regs32[GDB64_CS_32] = context->readMiscRegNoEffect(MISCREG_CS);
124 gdbregs.regs32[GDB64_SS_32] = context->readMiscRegNoEffect(MISCREG_SS);
125 gdbregs.regs32[GDB64_DS_32] = context->readMiscRegNoEffect(MISCREG_DS);
126 gdbregs.regs32[GDB64_ES_32] = context->readMiscRegNoEffect(MISCREG_ES);
127 gdbregs.regs32[GDB64_FS_32] = context->readMiscRegNoEffect(MISCREG_FS);
128 gdbregs.regs32[GDB64_GS_32] = context->readMiscRegNoEffect(MISCREG_GS);
129 } else {
130 gdbregs.regs32[GDB32_EAX] = context->readIntReg(INTREG_RAX);
131 gdbregs.regs32[GDB32_ECX] = context->readIntReg(INTREG_RCX);
132 gdbregs.regs32[GDB32_EDX] = context->readIntReg(INTREG_RDX);
133 gdbregs.regs32[GDB32_EBX] = context->readIntReg(INTREG_RBX);
134 gdbregs.regs32[GDB32_ESP] = context->readIntReg(INTREG_RSP);
135 gdbregs.regs32[GDB32_EBP] = context->readIntReg(INTREG_RBP);
136 gdbregs.regs32[GDB32_ESI] = context->readIntReg(INTREG_RSI);
137 gdbregs.regs32[GDB32_EDI] = context->readIntReg(INTREG_RDI);
138 gdbregs.regs32[GDB32_EIP] = context->pcState().pc();
139 gdbregs.regs32[GDB32_EFLAGS] =
140 context->readMiscRegNoEffect(MISCREG_RFLAGS);
141 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_CS);
142 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_SS);
143 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_DS);
144 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_ES);
145 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_FS);
146 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_GS);
147 }
148}
149
150void
151RemoteGDB::setregs()
152{
153 HandyM5Reg m5reg = context->readMiscRegNoEffect(MISCREG_M5_REG);
154 if (m5reg.submode == SixtyFourBitMode) {
155 context->setIntReg(INTREG_RAX, gdbregs.regs64[GDB64_RAX]);
156 context->setIntReg(INTREG_RBX, gdbregs.regs64[GDB64_RBX]);
157 context->setIntReg(INTREG_RCX, gdbregs.regs64[GDB64_RCX]);
158 context->setIntReg(INTREG_RDX, gdbregs.regs64[GDB64_RDX]);
159 context->setIntReg(INTREG_RSI, gdbregs.regs64[GDB64_RSI]);
160 context->setIntReg(INTREG_RDI, gdbregs.regs64[GDB64_RDI]);
161 context->setIntReg(INTREG_RBP, gdbregs.regs64[GDB64_RBP]);
162 context->setIntReg(INTREG_RSP, gdbregs.regs64[GDB64_RSP]);
163 context->setIntReg(INTREG_R8, gdbregs.regs64[GDB64_R8]);
164 context->setIntReg(INTREG_R9, gdbregs.regs64[GDB64_R9]);
165 context->setIntReg(INTREG_R10, gdbregs.regs64[GDB64_R10]);
166 context->setIntReg(INTREG_R11, gdbregs.regs64[GDB64_R11]);
167 context->setIntReg(INTREG_R12, gdbregs.regs64[GDB64_R12]);
168 context->setIntReg(INTREG_R13, gdbregs.regs64[GDB64_R13]);
169 context->setIntReg(INTREG_R14, gdbregs.regs64[GDB64_R14]);
170 context->setIntReg(INTREG_R15, gdbregs.regs64[GDB64_R15]);
171 context->pcState(gdbregs.regs64[GDB64_RIP]);
172 context->setMiscReg(MISCREG_RFLAGS, gdbregs.regs32[GDB64_RFLAGS_32]);
173 if (gdbregs.regs32[GDB64_CS_32] !=
174 context->readMiscRegNoEffect(MISCREG_CS)) {
175 warn("Remote gdb: Ignoring update to CS.\n");
176 }
177 if (gdbregs.regs32[GDB64_SS_32] !=
178 context->readMiscRegNoEffect(MISCREG_SS)) {
179 warn("Remote gdb: Ignoring update to SS.\n");
180 }
181 if (gdbregs.regs32[GDB64_DS_32] !=
182 context->readMiscRegNoEffect(MISCREG_DS)) {
183 warn("Remote gdb: Ignoring update to DS.\n");
184 }
185 if (gdbregs.regs32[GDB64_ES_32] !=
186 context->readMiscRegNoEffect(MISCREG_ES)) {
187 warn("Remote gdb: Ignoring update to ES.\n");
188 }
189 if (gdbregs.regs32[GDB64_FS_32] !=
190 context->readMiscRegNoEffect(MISCREG_FS)) {
191 warn("Remote gdb: Ignoring update to FS.\n");
192 }
193 if (gdbregs.regs32[GDB64_GS_32] !=
194 context->readMiscRegNoEffect(MISCREG_GS)) {
195 warn("Remote gdb: Ignoring update to GS.\n");
196 }
197 } else {
198 context->setIntReg(INTREG_RAX, gdbregs.regs32[GDB32_EAX]);
199 context->setIntReg(INTREG_RCX, gdbregs.regs32[GDB32_ECX]);
200 context->setIntReg(INTREG_RDX, gdbregs.regs32[GDB32_EDX]);
201 context->setIntReg(INTREG_RBX, gdbregs.regs32[GDB32_EBX]);
202 context->setIntReg(INTREG_RSP, gdbregs.regs32[GDB32_ESP]);
203 context->setIntReg(INTREG_RBP, gdbregs.regs32[GDB32_EBP]);
204 context->setIntReg(INTREG_RSI, gdbregs.regs32[GDB32_ESI]);
205 context->setIntReg(INTREG_RDI, gdbregs.regs32[GDB32_EDI]);
206 context->pcState(gdbregs.regs32[GDB32_EIP]);
207 context->setMiscReg(MISCREG_RFLAGS, gdbregs.regs32[GDB32_EFLAGS]);
208 if (gdbregs.regs32[GDB64_CS_32] !=
209 context->readMiscRegNoEffect(MISCREG_CS)) {
210 warn("Remote gdb: Ignoring update to CS.\n");
211 }
212 if (gdbregs.regs32[GDB32_SS] !=
213 context->readMiscRegNoEffect(MISCREG_SS)) {
214 warn("Remote gdb: Ignoring update to SS.\n");
215 }
216 if (gdbregs.regs32[GDB32_DS] !=
217 context->readMiscRegNoEffect(MISCREG_DS)) {
218 warn("Remote gdb: Ignoring update to DS.\n");
219 }
220 if (gdbregs.regs32[GDB32_ES] !=
221 context->readMiscRegNoEffect(MISCREG_ES)) {
222 warn("Remote gdb: Ignoring update to ES.\n");
223 }
224 if (gdbregs.regs32[GDB32_FS] !=
225 context->readMiscRegNoEffect(MISCREG_FS)) {
226 warn("Remote gdb: Ignoring update to FS.\n");
227 }
228 if (gdbregs.regs32[GDB32_GS] !=
229 context->readMiscRegNoEffect(MISCREG_GS)) {
230 warn("Remote gdb: Ignoring update to GS.\n");
231 }
232 }
233}
| 92RemoteGDB::getregs()
93{
94 HandyM5Reg m5reg = context->readMiscRegNoEffect(MISCREG_M5_REG);
95 if (m5reg.submode == SixtyFourBitMode) {
96 gdbregs.regs64[GDB64_RAX] = context->readIntReg(INTREG_RAX);
97 gdbregs.regs64[GDB64_RBX] = context->readIntReg(INTREG_RBX);
98 gdbregs.regs64[GDB64_RCX] = context->readIntReg(INTREG_RCX);
99 gdbregs.regs64[GDB64_RDX] = context->readIntReg(INTREG_RDX);
100 gdbregs.regs64[GDB64_RSI] = context->readIntReg(INTREG_RSI);
101 gdbregs.regs64[GDB64_RDI] = context->readIntReg(INTREG_RDI);
102 gdbregs.regs64[GDB64_RBP] = context->readIntReg(INTREG_RBP);
103 gdbregs.regs64[GDB64_RSP] = context->readIntReg(INTREG_RSP);
104 gdbregs.regs64[GDB64_R8] = context->readIntReg(INTREG_R8);
105 gdbregs.regs64[GDB64_R9] = context->readIntReg(INTREG_R9);
106 gdbregs.regs64[GDB64_R10] = context->readIntReg(INTREG_R10);
107 gdbregs.regs64[GDB64_R11] = context->readIntReg(INTREG_R11);
108 gdbregs.regs64[GDB64_R12] = context->readIntReg(INTREG_R12);
109 gdbregs.regs64[GDB64_R13] = context->readIntReg(INTREG_R13);
110 gdbregs.regs64[GDB64_R14] = context->readIntReg(INTREG_R14);
111 gdbregs.regs64[GDB64_R15] = context->readIntReg(INTREG_R15);
112 gdbregs.regs64[GDB64_RIP] = context->pcState().pc();
113 gdbregs.regs32[GDB64_RFLAGS_32] =
114 context->readMiscRegNoEffect(MISCREG_RFLAGS);
115 gdbregs.regs32[GDB64_CS_32] = context->readMiscRegNoEffect(MISCREG_CS);
116 gdbregs.regs32[GDB64_SS_32] = context->readMiscRegNoEffect(MISCREG_SS);
117 gdbregs.regs32[GDB64_DS_32] = context->readMiscRegNoEffect(MISCREG_DS);
118 gdbregs.regs32[GDB64_ES_32] = context->readMiscRegNoEffect(MISCREG_ES);
119 gdbregs.regs32[GDB64_FS_32] = context->readMiscRegNoEffect(MISCREG_FS);
120 gdbregs.regs32[GDB64_GS_32] = context->readMiscRegNoEffect(MISCREG_GS);
121 } else {
122 gdbregs.regs32[GDB32_EAX] = context->readIntReg(INTREG_RAX);
123 gdbregs.regs32[GDB32_ECX] = context->readIntReg(INTREG_RCX);
124 gdbregs.regs32[GDB32_EDX] = context->readIntReg(INTREG_RDX);
125 gdbregs.regs32[GDB32_EBX] = context->readIntReg(INTREG_RBX);
126 gdbregs.regs32[GDB32_ESP] = context->readIntReg(INTREG_RSP);
127 gdbregs.regs32[GDB32_EBP] = context->readIntReg(INTREG_RBP);
128 gdbregs.regs32[GDB32_ESI] = context->readIntReg(INTREG_RSI);
129 gdbregs.regs32[GDB32_EDI] = context->readIntReg(INTREG_RDI);
130 gdbregs.regs32[GDB32_EIP] = context->pcState().pc();
131 gdbregs.regs32[GDB32_EFLAGS] =
132 context->readMiscRegNoEffect(MISCREG_RFLAGS);
133 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_CS);
134 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_SS);
135 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_DS);
136 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_ES);
137 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_FS);
138 gdbregs.regs32[GDB32_CS] = context->readMiscRegNoEffect(MISCREG_GS);
139 }
140}
141
142void
143RemoteGDB::setregs()
144{
145 HandyM5Reg m5reg = context->readMiscRegNoEffect(MISCREG_M5_REG);
146 if (m5reg.submode == SixtyFourBitMode) {
147 context->setIntReg(INTREG_RAX, gdbregs.regs64[GDB64_RAX]);
148 context->setIntReg(INTREG_RBX, gdbregs.regs64[GDB64_RBX]);
149 context->setIntReg(INTREG_RCX, gdbregs.regs64[GDB64_RCX]);
150 context->setIntReg(INTREG_RDX, gdbregs.regs64[GDB64_RDX]);
151 context->setIntReg(INTREG_RSI, gdbregs.regs64[GDB64_RSI]);
152 context->setIntReg(INTREG_RDI, gdbregs.regs64[GDB64_RDI]);
153 context->setIntReg(INTREG_RBP, gdbregs.regs64[GDB64_RBP]);
154 context->setIntReg(INTREG_RSP, gdbregs.regs64[GDB64_RSP]);
155 context->setIntReg(INTREG_R8, gdbregs.regs64[GDB64_R8]);
156 context->setIntReg(INTREG_R9, gdbregs.regs64[GDB64_R9]);
157 context->setIntReg(INTREG_R10, gdbregs.regs64[GDB64_R10]);
158 context->setIntReg(INTREG_R11, gdbregs.regs64[GDB64_R11]);
159 context->setIntReg(INTREG_R12, gdbregs.regs64[GDB64_R12]);
160 context->setIntReg(INTREG_R13, gdbregs.regs64[GDB64_R13]);
161 context->setIntReg(INTREG_R14, gdbregs.regs64[GDB64_R14]);
162 context->setIntReg(INTREG_R15, gdbregs.regs64[GDB64_R15]);
163 context->pcState(gdbregs.regs64[GDB64_RIP]);
164 context->setMiscReg(MISCREG_RFLAGS, gdbregs.regs32[GDB64_RFLAGS_32]);
165 if (gdbregs.regs32[GDB64_CS_32] !=
166 context->readMiscRegNoEffect(MISCREG_CS)) {
167 warn("Remote gdb: Ignoring update to CS.\n");
168 }
169 if (gdbregs.regs32[GDB64_SS_32] !=
170 context->readMiscRegNoEffect(MISCREG_SS)) {
171 warn("Remote gdb: Ignoring update to SS.\n");
172 }
173 if (gdbregs.regs32[GDB64_DS_32] !=
174 context->readMiscRegNoEffect(MISCREG_DS)) {
175 warn("Remote gdb: Ignoring update to DS.\n");
176 }
177 if (gdbregs.regs32[GDB64_ES_32] !=
178 context->readMiscRegNoEffect(MISCREG_ES)) {
179 warn("Remote gdb: Ignoring update to ES.\n");
180 }
181 if (gdbregs.regs32[GDB64_FS_32] !=
182 context->readMiscRegNoEffect(MISCREG_FS)) {
183 warn("Remote gdb: Ignoring update to FS.\n");
184 }
185 if (gdbregs.regs32[GDB64_GS_32] !=
186 context->readMiscRegNoEffect(MISCREG_GS)) {
187 warn("Remote gdb: Ignoring update to GS.\n");
188 }
189 } else {
190 context->setIntReg(INTREG_RAX, gdbregs.regs32[GDB32_EAX]);
191 context->setIntReg(INTREG_RCX, gdbregs.regs32[GDB32_ECX]);
192 context->setIntReg(INTREG_RDX, gdbregs.regs32[GDB32_EDX]);
193 context->setIntReg(INTREG_RBX, gdbregs.regs32[GDB32_EBX]);
194 context->setIntReg(INTREG_RSP, gdbregs.regs32[GDB32_ESP]);
195 context->setIntReg(INTREG_RBP, gdbregs.regs32[GDB32_EBP]);
196 context->setIntReg(INTREG_RSI, gdbregs.regs32[GDB32_ESI]);
197 context->setIntReg(INTREG_RDI, gdbregs.regs32[GDB32_EDI]);
198 context->pcState(gdbregs.regs32[GDB32_EIP]);
199 context->setMiscReg(MISCREG_RFLAGS, gdbregs.regs32[GDB32_EFLAGS]);
200 if (gdbregs.regs32[GDB64_CS_32] !=
201 context->readMiscRegNoEffect(MISCREG_CS)) {
202 warn("Remote gdb: Ignoring update to CS.\n");
203 }
204 if (gdbregs.regs32[GDB32_SS] !=
205 context->readMiscRegNoEffect(MISCREG_SS)) {
206 warn("Remote gdb: Ignoring update to SS.\n");
207 }
208 if (gdbregs.regs32[GDB32_DS] !=
209 context->readMiscRegNoEffect(MISCREG_DS)) {
210 warn("Remote gdb: Ignoring update to DS.\n");
211 }
212 if (gdbregs.regs32[GDB32_ES] !=
213 context->readMiscRegNoEffect(MISCREG_ES)) {
214 warn("Remote gdb: Ignoring update to ES.\n");
215 }
216 if (gdbregs.regs32[GDB32_FS] !=
217 context->readMiscRegNoEffect(MISCREG_FS)) {
218 warn("Remote gdb: Ignoring update to FS.\n");
219 }
220 if (gdbregs.regs32[GDB32_GS] !=
221 context->readMiscRegNoEffect(MISCREG_GS)) {
222 warn("Remote gdb: Ignoring update to GS.\n");
223 }
224 }
225}
|
234
235void
236RemoteGDB::clearSingleStep()
237{
238 descheduleInstCommitEvent(&singleStepEvent);
239}
240
241void
242RemoteGDB::setSingleStep()
243{
244 if (!singleStepEvent.scheduled())
245 scheduleInstCommitEvent(&singleStepEvent, 1);
246}
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