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1 | b4608c04 | bellard | /*
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2 | b4608c04 | bellard | * gdb server stub
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3 | b4608c04 | bellard | *
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4 | b4608c04 | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | b4608c04 | bellard | *
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6 | b4608c04 | bellard | * This library is free software; you can redistribute it and/or
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7 | b4608c04 | bellard | * modify it under the terms of the GNU Lesser General Public
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8 | b4608c04 | bellard | * License as published by the Free Software Foundation; either
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9 | b4608c04 | bellard | * version 2 of the License, or (at your option) any later version.
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10 | b4608c04 | bellard | *
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11 | b4608c04 | bellard | * This library is distributed in the hope that it will be useful,
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12 | b4608c04 | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | b4608c04 | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | b4608c04 | bellard | * Lesser General Public License for more details.
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15 | b4608c04 | bellard | *
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16 | b4608c04 | bellard | * You should have received a copy of the GNU Lesser General Public
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17 | b4608c04 | bellard | * License along with this library; if not, write to the Free Software
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18 | b4608c04 | bellard | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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19 | b4608c04 | bellard | */
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20 | b4608c04 | bellard | #include <stdlib.h> |
21 | b4608c04 | bellard | #include <stdio.h> |
22 | b4608c04 | bellard | #include <string.h> |
23 | b4608c04 | bellard | #include <unistd.h> |
24 | b4608c04 | bellard | #include <errno.h> |
25 | b4608c04 | bellard | #include <sys/socket.h> |
26 | b4608c04 | bellard | #include <netinet/in.h> |
27 | b4608c04 | bellard | #include <netinet/tcp.h> |
28 | b4608c04 | bellard | #include <signal.h> |
29 | b4608c04 | bellard | |
30 | b4608c04 | bellard | #include "config.h" |
31 | b4608c04 | bellard | #ifdef TARGET_I386
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32 | b4608c04 | bellard | #include "cpu-i386.h" |
33 | b4608c04 | bellard | #endif
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34 | b4608c04 | bellard | #ifdef TARGET_ARM
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35 | b4608c04 | bellard | #include "cpu-arm.h" |
36 | b4608c04 | bellard | #endif
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37 | b4608c04 | bellard | #include "thunk.h" |
38 | b4608c04 | bellard | #include "exec.h" |
39 | b4608c04 | bellard | |
40 | 4abe615b | bellard | //#define DEBUG_GDB
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41 | b4608c04 | bellard | |
42 | b4608c04 | bellard | int gdbstub_fd = -1; |
43 | b4608c04 | bellard | |
44 | b4608c04 | bellard | /* return 0 if OK */
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45 | b4608c04 | bellard | static int gdbstub_open(int port) |
46 | b4608c04 | bellard | { |
47 | b4608c04 | bellard | struct sockaddr_in sockaddr;
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48 | b4608c04 | bellard | socklen_t len; |
49 | b4608c04 | bellard | int fd, val, ret;
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50 | b4608c04 | bellard | |
51 | b4608c04 | bellard | fd = socket(PF_INET, SOCK_STREAM, 0);
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52 | b4608c04 | bellard | if (fd < 0) { |
53 | b4608c04 | bellard | perror("socket");
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54 | b4608c04 | bellard | return -1; |
55 | b4608c04 | bellard | } |
56 | b4608c04 | bellard | |
57 | b4608c04 | bellard | /* allow fast reuse */
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58 | b4608c04 | bellard | val = 1;
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59 | b4608c04 | bellard | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
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60 | b4608c04 | bellard | |
61 | b4608c04 | bellard | sockaddr.sin_family = AF_INET; |
62 | b4608c04 | bellard | sockaddr.sin_port = htons(port); |
63 | b4608c04 | bellard | sockaddr.sin_addr.s_addr = 0;
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64 | b4608c04 | bellard | ret = bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr)); |
65 | b4608c04 | bellard | if (ret < 0) { |
66 | b4608c04 | bellard | perror("bind");
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67 | b4608c04 | bellard | return -1; |
68 | b4608c04 | bellard | } |
69 | b4608c04 | bellard | ret = listen(fd, 0);
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70 | b4608c04 | bellard | if (ret < 0) { |
71 | b4608c04 | bellard | perror("listen");
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72 | b4608c04 | bellard | return -1; |
73 | b4608c04 | bellard | } |
74 | b4608c04 | bellard | |
75 | b4608c04 | bellard | /* now wait for one connection */
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76 | b4608c04 | bellard | for(;;) {
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77 | b4608c04 | bellard | len = sizeof(sockaddr);
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78 | b4608c04 | bellard | gdbstub_fd = accept(fd, (struct sockaddr *)&sockaddr, &len);
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79 | b4608c04 | bellard | if (gdbstub_fd < 0 && errno != EINTR) { |
80 | b4608c04 | bellard | perror("accept");
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81 | b4608c04 | bellard | return -1; |
82 | b4608c04 | bellard | } else if (gdbstub_fd >= 0) { |
83 | b4608c04 | bellard | break;
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84 | b4608c04 | bellard | } |
85 | b4608c04 | bellard | } |
86 | b4608c04 | bellard | |
87 | b4608c04 | bellard | /* set short latency */
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88 | b4608c04 | bellard | val = 1;
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89 | b4608c04 | bellard | setsockopt(gdbstub_fd, SOL_TCP, TCP_NODELAY, &val, sizeof(val));
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90 | b4608c04 | bellard | return 0; |
91 | b4608c04 | bellard | } |
92 | b4608c04 | bellard | |
93 | b4608c04 | bellard | static int get_char(void) |
94 | b4608c04 | bellard | { |
95 | b4608c04 | bellard | uint8_t ch; |
96 | b4608c04 | bellard | int ret;
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97 | b4608c04 | bellard | |
98 | b4608c04 | bellard | for(;;) {
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99 | b4608c04 | bellard | ret = read(gdbstub_fd, &ch, 1);
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100 | b4608c04 | bellard | if (ret < 0) { |
101 | b4608c04 | bellard | if (errno != EINTR && errno != EAGAIN)
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102 | b4608c04 | bellard | return -1; |
103 | b4608c04 | bellard | } else if (ret == 0) { |
104 | b4608c04 | bellard | return -1; |
105 | b4608c04 | bellard | } else {
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106 | b4608c04 | bellard | break;
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107 | b4608c04 | bellard | } |
108 | b4608c04 | bellard | } |
109 | b4608c04 | bellard | return ch;
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110 | b4608c04 | bellard | } |
111 | b4608c04 | bellard | |
112 | b4608c04 | bellard | static void put_buffer(const uint8_t *buf, int len) |
113 | b4608c04 | bellard | { |
114 | b4608c04 | bellard | int ret;
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115 | b4608c04 | bellard | |
116 | b4608c04 | bellard | while (len > 0) { |
117 | b4608c04 | bellard | ret = write(gdbstub_fd, buf, len); |
118 | b4608c04 | bellard | if (ret < 0) { |
119 | b4608c04 | bellard | if (errno != EINTR && errno != EAGAIN)
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120 | b4608c04 | bellard | return;
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121 | b4608c04 | bellard | } else {
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122 | b4608c04 | bellard | buf += ret; |
123 | b4608c04 | bellard | len -= ret; |
124 | b4608c04 | bellard | } |
125 | b4608c04 | bellard | } |
126 | b4608c04 | bellard | } |
127 | b4608c04 | bellard | |
128 | b4608c04 | bellard | static inline int fromhex(int v) |
129 | b4608c04 | bellard | { |
130 | b4608c04 | bellard | if (v >= '0' && v <= '9') |
131 | b4608c04 | bellard | return v - '0'; |
132 | b4608c04 | bellard | else if (v >= 'A' && v <= 'F') |
133 | b4608c04 | bellard | return v - 'A' + 10; |
134 | b4608c04 | bellard | else if (v >= 'a' && v <= 'f') |
135 | b4608c04 | bellard | return v - 'a' + 10; |
136 | b4608c04 | bellard | else
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137 | b4608c04 | bellard | return 0; |
138 | b4608c04 | bellard | } |
139 | b4608c04 | bellard | |
140 | b4608c04 | bellard | static inline int tohex(int v) |
141 | b4608c04 | bellard | { |
142 | b4608c04 | bellard | if (v < 10) |
143 | b4608c04 | bellard | return v + '0'; |
144 | b4608c04 | bellard | else
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145 | b4608c04 | bellard | return v - 10 + 'a'; |
146 | b4608c04 | bellard | } |
147 | b4608c04 | bellard | |
148 | b4608c04 | bellard | static void memtohex(char *buf, const uint8_t *mem, int len) |
149 | b4608c04 | bellard | { |
150 | b4608c04 | bellard | int i, c;
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151 | b4608c04 | bellard | char *q;
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152 | b4608c04 | bellard | q = buf; |
153 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
154 | b4608c04 | bellard | c = mem[i]; |
155 | b4608c04 | bellard | *q++ = tohex(c >> 4);
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156 | b4608c04 | bellard | *q++ = tohex(c & 0xf);
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157 | b4608c04 | bellard | } |
158 | b4608c04 | bellard | *q = '\0';
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159 | b4608c04 | bellard | } |
160 | b4608c04 | bellard | |
161 | b4608c04 | bellard | static void hextomem(uint8_t *mem, const char *buf, int len) |
162 | b4608c04 | bellard | { |
163 | b4608c04 | bellard | int i;
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164 | b4608c04 | bellard | |
165 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
166 | b4608c04 | bellard | mem[i] = (fromhex(buf[0]) << 4) | fromhex(buf[1]); |
167 | b4608c04 | bellard | buf += 2;
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168 | b4608c04 | bellard | } |
169 | b4608c04 | bellard | } |
170 | b4608c04 | bellard | |
171 | b4608c04 | bellard | /* return -1 if error or EOF */
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172 | b4608c04 | bellard | static int get_packet(char *buf, int buf_size) |
173 | b4608c04 | bellard | { |
174 | b4608c04 | bellard | int ch, len, csum, csum1;
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175 | b4608c04 | bellard | char reply[1]; |
176 | b4608c04 | bellard | |
177 | b4608c04 | bellard | for(;;) {
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178 | b4608c04 | bellard | for(;;) {
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179 | b4608c04 | bellard | ch = get_char(); |
180 | b4608c04 | bellard | if (ch < 0) |
181 | b4608c04 | bellard | return -1; |
182 | b4608c04 | bellard | if (ch == '$') |
183 | b4608c04 | bellard | break;
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184 | b4608c04 | bellard | } |
185 | b4608c04 | bellard | len = 0;
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186 | b4608c04 | bellard | csum = 0;
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187 | b4608c04 | bellard | for(;;) {
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188 | b4608c04 | bellard | ch = get_char(); |
189 | b4608c04 | bellard | if (ch < 0) |
190 | b4608c04 | bellard | return -1; |
191 | b4608c04 | bellard | if (ch == '#') |
192 | b4608c04 | bellard | break;
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193 | b4608c04 | bellard | if (len > buf_size - 1) |
194 | b4608c04 | bellard | return -1; |
195 | b4608c04 | bellard | buf[len++] = ch; |
196 | b4608c04 | bellard | csum += ch; |
197 | b4608c04 | bellard | } |
198 | b4608c04 | bellard | buf[len] = '\0';
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199 | b4608c04 | bellard | ch = get_char(); |
200 | b4608c04 | bellard | if (ch < 0) |
201 | b4608c04 | bellard | return -1; |
202 | b4608c04 | bellard | csum1 = fromhex(ch) << 4;
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203 | b4608c04 | bellard | ch = get_char(); |
204 | b4608c04 | bellard | if (ch < 0) |
205 | b4608c04 | bellard | return -1; |
206 | b4608c04 | bellard | csum1 |= fromhex(ch); |
207 | b4608c04 | bellard | if ((csum & 0xff) != csum1) { |
208 | b4608c04 | bellard | reply[0] = '-'; |
209 | b4608c04 | bellard | put_buffer(reply, 1);
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210 | b4608c04 | bellard | } else {
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211 | b4608c04 | bellard | reply[0] = '+'; |
212 | b4608c04 | bellard | put_buffer(reply, 1);
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213 | b4608c04 | bellard | break;
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214 | b4608c04 | bellard | } |
215 | b4608c04 | bellard | } |
216 | b4608c04 | bellard | #ifdef DEBUG_GDB
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217 | b4608c04 | bellard | printf("command='%s'\n", buf);
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218 | b4608c04 | bellard | #endif
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219 | b4608c04 | bellard | return len;
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220 | b4608c04 | bellard | } |
221 | b4608c04 | bellard | |
222 | b4608c04 | bellard | /* return -1 if error, 0 if OK */
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223 | b4608c04 | bellard | static int put_packet(char *buf) |
224 | b4608c04 | bellard | { |
225 | b4608c04 | bellard | char buf1[3]; |
226 | b4608c04 | bellard | int len, csum, ch, i;
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227 | b4608c04 | bellard | |
228 | b4608c04 | bellard | #ifdef DEBUG_GDB
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229 | b4608c04 | bellard | printf("reply='%s'\n", buf);
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230 | b4608c04 | bellard | #endif
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231 | b4608c04 | bellard | |
232 | b4608c04 | bellard | for(;;) {
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233 | b4608c04 | bellard | buf1[0] = '$'; |
234 | b4608c04 | bellard | put_buffer(buf1, 1);
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235 | b4608c04 | bellard | len = strlen(buf); |
236 | b4608c04 | bellard | put_buffer(buf, len); |
237 | b4608c04 | bellard | csum = 0;
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238 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
239 | b4608c04 | bellard | csum += buf[i]; |
240 | b4608c04 | bellard | } |
241 | b4608c04 | bellard | buf1[0] = '#'; |
242 | b4608c04 | bellard | buf1[1] = tohex((csum >> 4) & 0xf); |
243 | b4608c04 | bellard | buf1[2] = tohex((csum) & 0xf); |
244 | b4608c04 | bellard | |
245 | b4608c04 | bellard | put_buffer(buf1, 3);
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246 | b4608c04 | bellard | |
247 | b4608c04 | bellard | ch = get_char(); |
248 | b4608c04 | bellard | if (ch < 0) |
249 | b4608c04 | bellard | return -1; |
250 | b4608c04 | bellard | if (ch == '+') |
251 | b4608c04 | bellard | break;
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252 | b4608c04 | bellard | } |
253 | b4608c04 | bellard | return 0; |
254 | b4608c04 | bellard | } |
255 | b4608c04 | bellard | |
256 | b4608c04 | bellard | static int memory_rw(uint8_t *buf, uint32_t addr, int len, int is_write) |
257 | b4608c04 | bellard | { |
258 | b4608c04 | bellard | int l, flags;
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259 | b4608c04 | bellard | uint32_t page; |
260 | b4608c04 | bellard | |
261 | b4608c04 | bellard | while (len > 0) { |
262 | b4608c04 | bellard | page = addr & TARGET_PAGE_MASK; |
263 | b4608c04 | bellard | l = (page + TARGET_PAGE_SIZE) - addr; |
264 | b4608c04 | bellard | if (l > len)
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265 | b4608c04 | bellard | l = len; |
266 | b4608c04 | bellard | flags = page_get_flags(page); |
267 | b4608c04 | bellard | if (!(flags & PAGE_VALID))
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268 | b4608c04 | bellard | return -1; |
269 | b4608c04 | bellard | if (is_write) {
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270 | b4608c04 | bellard | if (!(flags & PAGE_WRITE))
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271 | b4608c04 | bellard | return -1; |
272 | b4608c04 | bellard | memcpy((uint8_t *)addr, buf, l); |
273 | b4608c04 | bellard | } else {
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274 | b4608c04 | bellard | if (!(flags & PAGE_READ))
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275 | b4608c04 | bellard | return -1; |
276 | b4608c04 | bellard | memcpy(buf, (uint8_t *)addr, l); |
277 | b4608c04 | bellard | } |
278 | b4608c04 | bellard | len -= l; |
279 | b4608c04 | bellard | buf += l; |
280 | b4608c04 | bellard | addr += l; |
281 | b4608c04 | bellard | } |
282 | b4608c04 | bellard | return 0; |
283 | b4608c04 | bellard | } |
284 | b4608c04 | bellard | |
285 | b4608c04 | bellard | /* port = 0 means default port */
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286 | 4c3a88a2 | bellard | int cpu_gdbstub(void *opaque, int (*main_loop)(void *opaque), int port) |
287 | b4608c04 | bellard | { |
288 | b4608c04 | bellard | CPUState *env; |
289 | b4608c04 | bellard | const char *p; |
290 | 4c3a88a2 | bellard | int ret, ch, nb_regs, i, type;
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291 | b4608c04 | bellard | char buf[4096]; |
292 | b4608c04 | bellard | uint8_t mem_buf[2000];
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293 | b4608c04 | bellard | uint32_t *registers; |
294 | b4608c04 | bellard | uint32_t addr, len; |
295 | b4608c04 | bellard | |
296 | b4608c04 | bellard | printf("Waiting gdb connection on port %d\n", port);
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297 | b4608c04 | bellard | if (gdbstub_open(port) < 0) |
298 | b4608c04 | bellard | return -1; |
299 | b4608c04 | bellard | printf("Connected\n");
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300 | b4608c04 | bellard | for(;;) {
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301 | b4608c04 | bellard | ret = get_packet(buf, sizeof(buf));
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302 | b4608c04 | bellard | if (ret < 0) |
303 | b4608c04 | bellard | break;
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304 | b4608c04 | bellard | p = buf; |
305 | b4608c04 | bellard | ch = *p++; |
306 | b4608c04 | bellard | switch(ch) {
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307 | b4608c04 | bellard | case '?': |
308 | b4608c04 | bellard | snprintf(buf, sizeof(buf), "S%02x", SIGTRAP); |
309 | b4608c04 | bellard | put_packet(buf); |
310 | b4608c04 | bellard | break;
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311 | b4608c04 | bellard | case 'c': |
312 | 4c3a88a2 | bellard | if (*p != '\0') { |
313 | 4c3a88a2 | bellard | addr = strtoul(p, (char **)&p, 16); |
314 | 4c3a88a2 | bellard | env = cpu_gdbstub_get_env(opaque); |
315 | 4c3a88a2 | bellard | #if defined(TARGET_I386)
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316 | 4c3a88a2 | bellard | env->eip = addr; |
317 | 4c3a88a2 | bellard | #endif
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318 | 4c3a88a2 | bellard | } |
319 | 4c3a88a2 | bellard | ret = main_loop(opaque); |
320 | 4c3a88a2 | bellard | if (ret == EXCP_DEBUG)
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321 | 4c3a88a2 | bellard | ret = SIGTRAP; |
322 | 4c3a88a2 | bellard | else
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323 | 4c3a88a2 | bellard | ret = 0;
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324 | 4c3a88a2 | bellard | snprintf(buf, sizeof(buf), "S%02x", ret); |
325 | b4608c04 | bellard | put_packet(buf); |
326 | b4608c04 | bellard | break;
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327 | c33a346e | bellard | case 's': |
328 | c33a346e | bellard | env = cpu_gdbstub_get_env(opaque); |
329 | c33a346e | bellard | if (*p != '\0') { |
330 | c33a346e | bellard | addr = strtoul(p, (char **)&p, 16); |
331 | c33a346e | bellard | #if defined(TARGET_I386)
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332 | c33a346e | bellard | env->eip = addr; |
333 | c33a346e | bellard | #endif
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334 | c33a346e | bellard | } |
335 | c33a346e | bellard | cpu_single_step(env, 1);
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336 | c33a346e | bellard | ret = main_loop(opaque); |
337 | c33a346e | bellard | cpu_single_step(env, 0);
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338 | c33a346e | bellard | if (ret == EXCP_DEBUG)
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339 | c33a346e | bellard | ret = SIGTRAP; |
340 | c33a346e | bellard | else
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341 | c33a346e | bellard | ret = 0;
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342 | c33a346e | bellard | snprintf(buf, sizeof(buf), "S%02x", ret); |
343 | c33a346e | bellard | put_packet(buf); |
344 | c33a346e | bellard | break;
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345 | b4608c04 | bellard | case 'g': |
346 | b4608c04 | bellard | env = cpu_gdbstub_get_env(opaque); |
347 | b4608c04 | bellard | registers = (void *)mem_buf;
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348 | b4608c04 | bellard | #if defined(TARGET_I386)
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349 | b4608c04 | bellard | for(i = 0; i < 8; i++) { |
350 | b4608c04 | bellard | registers[i] = tswapl(env->regs[i]); |
351 | b4608c04 | bellard | } |
352 | b4608c04 | bellard | registers[8] = env->eip;
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353 | b4608c04 | bellard | registers[9] = env->eflags;
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354 | b4608c04 | bellard | registers[10] = env->segs[R_CS].selector;
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355 | b4608c04 | bellard | registers[11] = env->segs[R_SS].selector;
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356 | b4608c04 | bellard | registers[12] = env->segs[R_DS].selector;
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357 | b4608c04 | bellard | registers[13] = env->segs[R_ES].selector;
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358 | b4608c04 | bellard | registers[14] = env->segs[R_FS].selector;
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359 | b4608c04 | bellard | registers[15] = env->segs[R_GS].selector;
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360 | b4608c04 | bellard | nb_regs = 16;
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361 | b4608c04 | bellard | #endif
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362 | b4608c04 | bellard | memtohex(buf, (const uint8_t *)registers,
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363 | b4608c04 | bellard | sizeof(registers[0]) * nb_regs); |
364 | b4608c04 | bellard | put_packet(buf); |
365 | b4608c04 | bellard | break;
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366 | b4608c04 | bellard | case 'G': |
367 | b4608c04 | bellard | env = cpu_gdbstub_get_env(opaque); |
368 | b4608c04 | bellard | registers = (void *)mem_buf;
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369 | b4608c04 | bellard | #if defined(TARGET_I386)
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370 | b4608c04 | bellard | hextomem((uint8_t *)registers, p, 16 * 4); |
371 | b4608c04 | bellard | for(i = 0; i < 8; i++) { |
372 | b4608c04 | bellard | env->regs[i] = tswapl(registers[i]); |
373 | b4608c04 | bellard | } |
374 | b4608c04 | bellard | env->eip = registers[8];
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375 | b4608c04 | bellard | env->eflags = registers[9];
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376 | b4608c04 | bellard | #define LOAD_SEG(index, sreg)\
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377 | b4608c04 | bellard | if (tswapl(registers[index]) != env->segs[sreg].selector)\
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378 | b4608c04 | bellard | cpu_x86_load_seg(env, sreg, tswapl(registers[index])); |
379 | b4608c04 | bellard | LOAD_SEG(10, R_CS);
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380 | b4608c04 | bellard | LOAD_SEG(11, R_SS);
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381 | b4608c04 | bellard | LOAD_SEG(12, R_DS);
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382 | b4608c04 | bellard | LOAD_SEG(13, R_ES);
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383 | b4608c04 | bellard | LOAD_SEG(14, R_FS);
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384 | b4608c04 | bellard | LOAD_SEG(15, R_GS);
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385 | b4608c04 | bellard | #endif
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386 | b4608c04 | bellard | put_packet("OK");
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387 | b4608c04 | bellard | break;
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388 | b4608c04 | bellard | case 'm': |
389 | b4608c04 | bellard | addr = strtoul(p, (char **)&p, 16); |
390 | b4608c04 | bellard | if (*p == ',') |
391 | b4608c04 | bellard | p++; |
392 | b4608c04 | bellard | len = strtoul(p, NULL, 16); |
393 | b4608c04 | bellard | if (memory_rw(mem_buf, addr, len, 0) != 0) |
394 | b4608c04 | bellard | memset(mem_buf, 0, len);
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395 | b4608c04 | bellard | memtohex(buf, mem_buf, len); |
396 | b4608c04 | bellard | put_packet(buf); |
397 | b4608c04 | bellard | break;
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398 | b4608c04 | bellard | case 'M': |
399 | b4608c04 | bellard | addr = strtoul(p, (char **)&p, 16); |
400 | b4608c04 | bellard | if (*p == ',') |
401 | b4608c04 | bellard | p++; |
402 | b4608c04 | bellard | len = strtoul(p, (char **)&p, 16); |
403 | b4608c04 | bellard | if (*p == ',') |
404 | b4608c04 | bellard | p++; |
405 | b4608c04 | bellard | hextomem(mem_buf, p, len); |
406 | b4608c04 | bellard | if (memory_rw(mem_buf, addr, len, 1) != 0) |
407 | b4608c04 | bellard | put_packet("ENN");
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408 | b4608c04 | bellard | else
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409 | b4608c04 | bellard | put_packet("OK");
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410 | b4608c04 | bellard | break;
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411 | 4c3a88a2 | bellard | case 'Z': |
412 | 4c3a88a2 | bellard | type = strtoul(p, (char **)&p, 16); |
413 | 4c3a88a2 | bellard | if (*p == ',') |
414 | 4c3a88a2 | bellard | p++; |
415 | 4c3a88a2 | bellard | addr = strtoul(p, (char **)&p, 16); |
416 | 4c3a88a2 | bellard | if (*p == ',') |
417 | 4c3a88a2 | bellard | p++; |
418 | 4c3a88a2 | bellard | len = strtoul(p, (char **)&p, 16); |
419 | 4c3a88a2 | bellard | if (type == 0 || type == 1) { |
420 | 4c3a88a2 | bellard | env = cpu_gdbstub_get_env(opaque); |
421 | 4c3a88a2 | bellard | if (cpu_breakpoint_insert(env, addr) < 0) |
422 | 4c3a88a2 | bellard | goto breakpoint_error;
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423 | 4c3a88a2 | bellard | put_packet("OK");
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424 | 4c3a88a2 | bellard | } else {
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425 | 4c3a88a2 | bellard | breakpoint_error:
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426 | 4c3a88a2 | bellard | put_packet("ENN");
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427 | 4c3a88a2 | bellard | } |
428 | 4c3a88a2 | bellard | break;
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429 | 4c3a88a2 | bellard | case 'z': |
430 | 4c3a88a2 | bellard | type = strtoul(p, (char **)&p, 16); |
431 | 4c3a88a2 | bellard | if (*p == ',') |
432 | 4c3a88a2 | bellard | p++; |
433 | 4c3a88a2 | bellard | addr = strtoul(p, (char **)&p, 16); |
434 | 4c3a88a2 | bellard | if (*p == ',') |
435 | 4c3a88a2 | bellard | p++; |
436 | 4c3a88a2 | bellard | len = strtoul(p, (char **)&p, 16); |
437 | 4c3a88a2 | bellard | if (type == 0 || type == 1) { |
438 | 4c3a88a2 | bellard | env = cpu_gdbstub_get_env(opaque); |
439 | 4c3a88a2 | bellard | cpu_breakpoint_remove(env, addr); |
440 | 4c3a88a2 | bellard | put_packet("OK");
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441 | 4c3a88a2 | bellard | } else {
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442 | 4c3a88a2 | bellard | goto breakpoint_error;
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443 | 4c3a88a2 | bellard | } |
444 | 4c3a88a2 | bellard | break;
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445 | b4608c04 | bellard | default:
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446 | b4608c04 | bellard | /* put empty packet */
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447 | b4608c04 | bellard | buf[0] = '\0'; |
448 | b4608c04 | bellard | put_packet(buf); |
449 | b4608c04 | bellard | break;
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450 | b4608c04 | bellard | } |
451 | b4608c04 | bellard | } |
452 | b4608c04 | bellard | return 0; |
453 | b4608c04 | bellard | } |