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1 | b4608c04 | bellard | /*
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2 | b4608c04 | bellard | * gdb server stub
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3 | 5fafdf24 | ths | *
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4 | 3475187d | bellard | * Copyright (c) 2003-2005 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 | 978efd6a | pbrook | #include "config.h" |
21 | 1fddef4b | bellard | #ifdef CONFIG_USER_ONLY
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22 | 1fddef4b | bellard | #include <stdlib.h> |
23 | 1fddef4b | bellard | #include <stdio.h> |
24 | 1fddef4b | bellard | #include <stdarg.h> |
25 | 1fddef4b | bellard | #include <string.h> |
26 | 1fddef4b | bellard | #include <errno.h> |
27 | 1fddef4b | bellard | #include <unistd.h> |
28 | 978efd6a | pbrook | #include <fcntl.h> |
29 | 1fddef4b | bellard | |
30 | 1fddef4b | bellard | #include "qemu.h" |
31 | 1fddef4b | bellard | #else
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32 | 87ecb68b | pbrook | #include "qemu-common.h" |
33 | 87ecb68b | pbrook | #include "qemu-char.h" |
34 | 87ecb68b | pbrook | #include "sysemu.h" |
35 | 87ecb68b | pbrook | #include "gdbstub.h" |
36 | 1fddef4b | bellard | #endif
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37 | 67b915a5 | bellard | |
38 | 8f447cc7 | bellard | #include "qemu_socket.h" |
39 | 8f447cc7 | bellard | #ifdef _WIN32
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40 | 8f447cc7 | bellard | /* XXX: these constants may be independent of the host ones even for Unix */
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41 | 8f447cc7 | bellard | #ifndef SIGTRAP
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42 | 8f447cc7 | bellard | #define SIGTRAP 5 |
43 | 8f447cc7 | bellard | #endif
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44 | 8f447cc7 | bellard | #ifndef SIGINT
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45 | 8f447cc7 | bellard | #define SIGINT 2 |
46 | 8f447cc7 | bellard | #endif
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47 | 8f447cc7 | bellard | #else
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48 | b4608c04 | bellard | #include <signal.h> |
49 | 8f447cc7 | bellard | #endif
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50 | b4608c04 | bellard | |
51 | 4abe615b | bellard | //#define DEBUG_GDB
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52 | b4608c04 | bellard | |
53 | 858693c6 | bellard | enum RSState {
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54 | 858693c6 | bellard | RS_IDLE, |
55 | 858693c6 | bellard | RS_GETLINE, |
56 | 858693c6 | bellard | RS_CHKSUM1, |
57 | 858693c6 | bellard | RS_CHKSUM2, |
58 | a2d1ebaf | pbrook | RS_SYSCALL, |
59 | 858693c6 | bellard | }; |
60 | 858693c6 | bellard | typedef struct GDBState { |
61 | 6a00d601 | bellard | CPUState *env; /* current CPU */
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62 | 41625033 | bellard | enum RSState state; /* parsing state */ |
63 | 858693c6 | bellard | char line_buf[4096]; |
64 | 858693c6 | bellard | int line_buf_index;
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65 | 858693c6 | bellard | int line_csum;
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66 | 60fe76f3 | ths | uint8_t last_packet[4100];
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67 | 4046d913 | pbrook | int last_packet_len;
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68 | 41625033 | bellard | #ifdef CONFIG_USER_ONLY
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69 | 4046d913 | pbrook | int fd;
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70 | 41625033 | bellard | int running_state;
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71 | 4046d913 | pbrook | #else
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72 | 4046d913 | pbrook | CharDriverState *chr; |
73 | 41625033 | bellard | #endif
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74 | 858693c6 | bellard | } GDBState; |
75 | b4608c04 | bellard | |
76 | 1fddef4b | bellard | #ifdef CONFIG_USER_ONLY
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77 | 4046d913 | pbrook | /* XXX: This is not thread safe. Do we care? */
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78 | 4046d913 | pbrook | static int gdbserver_fd = -1; |
79 | 4046d913 | pbrook | |
80 | 1fddef4b | bellard | /* XXX: remove this hack. */
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81 | 1fddef4b | bellard | static GDBState gdbserver_state;
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82 | 1fddef4b | bellard | |
83 | 858693c6 | bellard | static int get_char(GDBState *s) |
84 | b4608c04 | bellard | { |
85 | b4608c04 | bellard | uint8_t ch; |
86 | b4608c04 | bellard | int ret;
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87 | b4608c04 | bellard | |
88 | b4608c04 | bellard | for(;;) {
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89 | 8f447cc7 | bellard | ret = recv(s->fd, &ch, 1, 0); |
90 | b4608c04 | bellard | if (ret < 0) { |
91 | b4608c04 | bellard | if (errno != EINTR && errno != EAGAIN)
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92 | b4608c04 | bellard | return -1; |
93 | b4608c04 | bellard | } else if (ret == 0) { |
94 | b4608c04 | bellard | return -1; |
95 | b4608c04 | bellard | } else {
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96 | b4608c04 | bellard | break;
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97 | b4608c04 | bellard | } |
98 | b4608c04 | bellard | } |
99 | b4608c04 | bellard | return ch;
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100 | b4608c04 | bellard | } |
101 | 4046d913 | pbrook | #endif
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102 | b4608c04 | bellard | |
103 | a2d1ebaf | pbrook | /* GDB stub state for use by semihosting syscalls. */
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104 | a2d1ebaf | pbrook | static GDBState *gdb_syscall_state;
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105 | a2d1ebaf | pbrook | static gdb_syscall_complete_cb gdb_current_syscall_cb;
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106 | a2d1ebaf | pbrook | |
107 | a2d1ebaf | pbrook | enum {
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108 | a2d1ebaf | pbrook | GDB_SYS_UNKNOWN, |
109 | a2d1ebaf | pbrook | GDB_SYS_ENABLED, |
110 | a2d1ebaf | pbrook | GDB_SYS_DISABLED, |
111 | a2d1ebaf | pbrook | } gdb_syscall_mode; |
112 | a2d1ebaf | pbrook | |
113 | a2d1ebaf | pbrook | /* If gdb is connected when the first semihosting syscall occurs then use
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114 | a2d1ebaf | pbrook | remote gdb syscalls. Otherwise use native file IO. */
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115 | a2d1ebaf | pbrook | int use_gdb_syscalls(void) |
116 | a2d1ebaf | pbrook | { |
117 | a2d1ebaf | pbrook | if (gdb_syscall_mode == GDB_SYS_UNKNOWN) {
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118 | a2d1ebaf | pbrook | gdb_syscall_mode = (gdb_syscall_state ? GDB_SYS_ENABLED |
119 | a2d1ebaf | pbrook | : GDB_SYS_DISABLED); |
120 | a2d1ebaf | pbrook | } |
121 | a2d1ebaf | pbrook | return gdb_syscall_mode == GDB_SYS_ENABLED;
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122 | a2d1ebaf | pbrook | } |
123 | a2d1ebaf | pbrook | |
124 | ba70a624 | edgar_igl | /* Resume execution. */
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125 | ba70a624 | edgar_igl | static inline void gdb_continue(GDBState *s) |
126 | ba70a624 | edgar_igl | { |
127 | ba70a624 | edgar_igl | #ifdef CONFIG_USER_ONLY
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128 | ba70a624 | edgar_igl | s->running_state = 1;
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129 | ba70a624 | edgar_igl | #else
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130 | ba70a624 | edgar_igl | vm_start(); |
131 | ba70a624 | edgar_igl | #endif
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132 | ba70a624 | edgar_igl | } |
133 | ba70a624 | edgar_igl | |
134 | 858693c6 | bellard | static void put_buffer(GDBState *s, const uint8_t *buf, int len) |
135 | b4608c04 | bellard | { |
136 | 4046d913 | pbrook | #ifdef CONFIG_USER_ONLY
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137 | b4608c04 | bellard | int ret;
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138 | b4608c04 | bellard | |
139 | b4608c04 | bellard | while (len > 0) { |
140 | 8f447cc7 | bellard | ret = send(s->fd, buf, len, 0);
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141 | b4608c04 | bellard | if (ret < 0) { |
142 | b4608c04 | bellard | if (errno != EINTR && errno != EAGAIN)
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143 | b4608c04 | bellard | return;
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144 | b4608c04 | bellard | } else {
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145 | b4608c04 | bellard | buf += ret; |
146 | b4608c04 | bellard | len -= ret; |
147 | b4608c04 | bellard | } |
148 | b4608c04 | bellard | } |
149 | 4046d913 | pbrook | #else
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150 | 4046d913 | pbrook | qemu_chr_write(s->chr, buf, len); |
151 | 4046d913 | pbrook | #endif
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152 | b4608c04 | bellard | } |
153 | b4608c04 | bellard | |
154 | b4608c04 | bellard | static inline int fromhex(int v) |
155 | b4608c04 | bellard | { |
156 | b4608c04 | bellard | if (v >= '0' && v <= '9') |
157 | b4608c04 | bellard | return v - '0'; |
158 | b4608c04 | bellard | else if (v >= 'A' && v <= 'F') |
159 | b4608c04 | bellard | return v - 'A' + 10; |
160 | b4608c04 | bellard | else if (v >= 'a' && v <= 'f') |
161 | b4608c04 | bellard | return v - 'a' + 10; |
162 | b4608c04 | bellard | else
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163 | b4608c04 | bellard | return 0; |
164 | b4608c04 | bellard | } |
165 | b4608c04 | bellard | |
166 | b4608c04 | bellard | static inline int tohex(int v) |
167 | b4608c04 | bellard | { |
168 | b4608c04 | bellard | if (v < 10) |
169 | b4608c04 | bellard | return v + '0'; |
170 | b4608c04 | bellard | else
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171 | b4608c04 | bellard | return v - 10 + 'a'; |
172 | b4608c04 | bellard | } |
173 | b4608c04 | bellard | |
174 | b4608c04 | bellard | static void memtohex(char *buf, const uint8_t *mem, int len) |
175 | b4608c04 | bellard | { |
176 | b4608c04 | bellard | int i, c;
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177 | b4608c04 | bellard | char *q;
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178 | b4608c04 | bellard | q = buf; |
179 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
180 | b4608c04 | bellard | c = mem[i]; |
181 | b4608c04 | bellard | *q++ = tohex(c >> 4);
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182 | b4608c04 | bellard | *q++ = tohex(c & 0xf);
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183 | b4608c04 | bellard | } |
184 | b4608c04 | bellard | *q = '\0';
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185 | b4608c04 | bellard | } |
186 | b4608c04 | bellard | |
187 | b4608c04 | bellard | static void hextomem(uint8_t *mem, const char *buf, int len) |
188 | b4608c04 | bellard | { |
189 | b4608c04 | bellard | int i;
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190 | b4608c04 | bellard | |
191 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
192 | b4608c04 | bellard | mem[i] = (fromhex(buf[0]) << 4) | fromhex(buf[1]); |
193 | b4608c04 | bellard | buf += 2;
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194 | b4608c04 | bellard | } |
195 | b4608c04 | bellard | } |
196 | b4608c04 | bellard | |
197 | b4608c04 | bellard | /* return -1 if error, 0 if OK */
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198 | 858693c6 | bellard | static int put_packet(GDBState *s, char *buf) |
199 | b4608c04 | bellard | { |
200 | 4046d913 | pbrook | int len, csum, i;
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201 | 60fe76f3 | ths | uint8_t *p; |
202 | b4608c04 | bellard | |
203 | b4608c04 | bellard | #ifdef DEBUG_GDB
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204 | b4608c04 | bellard | printf("reply='%s'\n", buf);
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205 | b4608c04 | bellard | #endif
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206 | b4608c04 | bellard | |
207 | b4608c04 | bellard | for(;;) {
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208 | 4046d913 | pbrook | p = s->last_packet; |
209 | 4046d913 | pbrook | *(p++) = '$';
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210 | b4608c04 | bellard | len = strlen(buf); |
211 | 4046d913 | pbrook | memcpy(p, buf, len); |
212 | 4046d913 | pbrook | p += len; |
213 | b4608c04 | bellard | csum = 0;
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214 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
215 | b4608c04 | bellard | csum += buf[i]; |
216 | b4608c04 | bellard | } |
217 | 4046d913 | pbrook | *(p++) = '#';
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218 | 4046d913 | pbrook | *(p++) = tohex((csum >> 4) & 0xf); |
219 | 4046d913 | pbrook | *(p++) = tohex((csum) & 0xf);
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220 | b4608c04 | bellard | |
221 | 4046d913 | pbrook | s->last_packet_len = p - s->last_packet; |
222 | ffe8ab83 | ths | put_buffer(s, (uint8_t *)s->last_packet, s->last_packet_len); |
223 | b4608c04 | bellard | |
224 | 4046d913 | pbrook | #ifdef CONFIG_USER_ONLY
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225 | 4046d913 | pbrook | i = get_char(s); |
226 | 4046d913 | pbrook | if (i < 0) |
227 | b4608c04 | bellard | return -1; |
228 | 4046d913 | pbrook | if (i == '+') |
229 | b4608c04 | bellard | break;
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230 | 4046d913 | pbrook | #else
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231 | 4046d913 | pbrook | break;
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232 | 4046d913 | pbrook | #endif
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233 | b4608c04 | bellard | } |
234 | b4608c04 | bellard | return 0; |
235 | b4608c04 | bellard | } |
236 | b4608c04 | bellard | |
237 | 6da41eaf | bellard | #if defined(TARGET_I386)
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238 | 6da41eaf | bellard | |
239 | 6da41eaf | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
240 | 6da41eaf | bellard | { |
241 | 6da41eaf | bellard | int i, fpus;
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242 | 5ad265ee | balrog | uint32_t *registers = (uint32_t *)mem_buf; |
243 | 5ad265ee | balrog | |
244 | 5ad265ee | balrog | #ifdef TARGET_X86_64
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245 | 5ad265ee | balrog | /* This corresponds with amd64_register_info[] in gdb/amd64-tdep.c */
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246 | 5ad265ee | balrog | uint64_t *registers64 = (uint64_t *)mem_buf; |
247 | 5ad265ee | balrog | |
248 | 5ad265ee | balrog | if (env->hflags & HF_CS64_MASK) {
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249 | 5ad265ee | balrog | registers64[0] = tswap64(env->regs[R_EAX]);
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250 | 5ad265ee | balrog | registers64[1] = tswap64(env->regs[R_EBX]);
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251 | 5ad265ee | balrog | registers64[2] = tswap64(env->regs[R_ECX]);
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252 | 5ad265ee | balrog | registers64[3] = tswap64(env->regs[R_EDX]);
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253 | 5ad265ee | balrog | registers64[4] = tswap64(env->regs[R_ESI]);
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254 | 5ad265ee | balrog | registers64[5] = tswap64(env->regs[R_EDI]);
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255 | 5ad265ee | balrog | registers64[6] = tswap64(env->regs[R_EBP]);
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256 | 5ad265ee | balrog | registers64[7] = tswap64(env->regs[R_ESP]);
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257 | 5ad265ee | balrog | for(i = 8; i < 16; i++) { |
258 | 5ad265ee | balrog | registers64[i] = tswap64(env->regs[i]); |
259 | 5ad265ee | balrog | } |
260 | 5ad265ee | balrog | registers64[16] = tswap64(env->eip);
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261 | 5ad265ee | balrog | |
262 | 5ad265ee | balrog | registers = (uint32_t *)®isters64[17];
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263 | 5ad265ee | balrog | registers[0] = tswap32(env->eflags);
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264 | 5ad265ee | balrog | registers[1] = tswap32(env->segs[R_CS].selector);
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265 | 5ad265ee | balrog | registers[2] = tswap32(env->segs[R_SS].selector);
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266 | 5ad265ee | balrog | registers[3] = tswap32(env->segs[R_DS].selector);
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267 | 5ad265ee | balrog | registers[4] = tswap32(env->segs[R_ES].selector);
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268 | 5ad265ee | balrog | registers[5] = tswap32(env->segs[R_FS].selector);
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269 | 5ad265ee | balrog | registers[6] = tswap32(env->segs[R_GS].selector);
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270 | 5ad265ee | balrog | /* XXX: convert floats */
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271 | 5ad265ee | balrog | for(i = 0; i < 8; i++) { |
272 | 5ad265ee | balrog | memcpy(mem_buf + 16 * 8 + 7 * 4 + i * 10, &env->fpregs[i], 10); |
273 | 5ad265ee | balrog | } |
274 | 5ad265ee | balrog | registers[27] = tswap32(env->fpuc); /* fctrl */ |
275 | 5ad265ee | balrog | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
276 | 5ad265ee | balrog | registers[28] = tswap32(fpus); /* fstat */ |
277 | 5ad265ee | balrog | registers[29] = 0; /* ftag */ |
278 | 5ad265ee | balrog | registers[30] = 0; /* fiseg */ |
279 | 5ad265ee | balrog | registers[31] = 0; /* fioff */ |
280 | 5ad265ee | balrog | registers[32] = 0; /* foseg */ |
281 | 5ad265ee | balrog | registers[33] = 0; /* fooff */ |
282 | 5ad265ee | balrog | registers[34] = 0; /* fop */ |
283 | 5ad265ee | balrog | for(i = 0; i < 16; i++) { |
284 | 5ad265ee | balrog | memcpy(mem_buf + 16 * 8 + 35 * 4 + i * 16, &env->xmm_regs[i], 16); |
285 | 5ad265ee | balrog | } |
286 | 5ad265ee | balrog | registers[99] = tswap32(env->mxcsr);
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287 | 5ad265ee | balrog | |
288 | 5ad265ee | balrog | return 8 * 17 + 4 * 7 + 10 * 8 + 4 * 8 + 16 * 16 + 4; |
289 | 5ad265ee | balrog | } |
290 | 5ad265ee | balrog | #endif
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291 | 6da41eaf | bellard | |
292 | 6da41eaf | bellard | for(i = 0; i < 8; i++) { |
293 | e95c8d51 | bellard | registers[i] = env->regs[i]; |
294 | 6da41eaf | bellard | } |
295 | e95c8d51 | bellard | registers[8] = env->eip;
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296 | e95c8d51 | bellard | registers[9] = env->eflags;
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297 | e95c8d51 | bellard | registers[10] = env->segs[R_CS].selector;
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298 | e95c8d51 | bellard | registers[11] = env->segs[R_SS].selector;
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299 | e95c8d51 | bellard | registers[12] = env->segs[R_DS].selector;
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300 | e95c8d51 | bellard | registers[13] = env->segs[R_ES].selector;
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301 | e95c8d51 | bellard | registers[14] = env->segs[R_FS].selector;
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302 | e95c8d51 | bellard | registers[15] = env->segs[R_GS].selector;
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303 | 6da41eaf | bellard | /* XXX: convert floats */
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304 | 6da41eaf | bellard | for(i = 0; i < 8; i++) { |
305 | 6da41eaf | bellard | memcpy(mem_buf + 16 * 4 + i * 10, &env->fpregs[i], 10); |
306 | 6da41eaf | bellard | } |
307 | e95c8d51 | bellard | registers[36] = env->fpuc;
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308 | 6da41eaf | bellard | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
309 | e95c8d51 | bellard | registers[37] = fpus;
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310 | e95c8d51 | bellard | registers[38] = 0; /* XXX: convert tags */ |
311 | e95c8d51 | bellard | registers[39] = 0; /* fiseg */ |
312 | e95c8d51 | bellard | registers[40] = 0; /* fioff */ |
313 | e95c8d51 | bellard | registers[41] = 0; /* foseg */ |
314 | e95c8d51 | bellard | registers[42] = 0; /* fooff */ |
315 | e95c8d51 | bellard | registers[43] = 0; /* fop */ |
316 | 3b46e624 | ths | |
317 | e95c8d51 | bellard | for(i = 0; i < 16; i++) |
318 | e95c8d51 | bellard | tswapls(®isters[i]); |
319 | e95c8d51 | bellard | for(i = 36; i < 44; i++) |
320 | e95c8d51 | bellard | tswapls(®isters[i]); |
321 | 6da41eaf | bellard | return 44 * 4; |
322 | 6da41eaf | bellard | } |
323 | 6da41eaf | bellard | |
324 | 6da41eaf | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
325 | 6da41eaf | bellard | { |
326 | 6da41eaf | bellard | uint32_t *registers = (uint32_t *)mem_buf; |
327 | 6da41eaf | bellard | int i;
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328 | 6da41eaf | bellard | |
329 | 6da41eaf | bellard | for(i = 0; i < 8; i++) { |
330 | 6da41eaf | bellard | env->regs[i] = tswapl(registers[i]); |
331 | 6da41eaf | bellard | } |
332 | e95c8d51 | bellard | env->eip = tswapl(registers[8]);
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333 | e95c8d51 | bellard | env->eflags = tswapl(registers[9]);
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334 | 6da41eaf | bellard | #if defined(CONFIG_USER_ONLY)
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335 | 6da41eaf | bellard | #define LOAD_SEG(index, sreg)\
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336 | 6da41eaf | bellard | if (tswapl(registers[index]) != env->segs[sreg].selector)\
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337 | 6da41eaf | bellard | cpu_x86_load_seg(env, sreg, tswapl(registers[index])); |
338 | 6da41eaf | bellard | LOAD_SEG(10, R_CS);
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339 | 6da41eaf | bellard | LOAD_SEG(11, R_SS);
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340 | 6da41eaf | bellard | LOAD_SEG(12, R_DS);
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341 | 6da41eaf | bellard | LOAD_SEG(13, R_ES);
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342 | 6da41eaf | bellard | LOAD_SEG(14, R_FS);
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343 | 6da41eaf | bellard | LOAD_SEG(15, R_GS);
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344 | 6da41eaf | bellard | #endif
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345 | 6da41eaf | bellard | } |
346 | 6da41eaf | bellard | |
347 | 9e62fd7f | bellard | #elif defined (TARGET_PPC)
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348 | 9e62fd7f | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
349 | 9e62fd7f | bellard | { |
350 | a541f297 | bellard | uint32_t *registers = (uint32_t *)mem_buf, tmp; |
351 | 9e62fd7f | bellard | int i;
|
352 | 9e62fd7f | bellard | |
353 | 9e62fd7f | bellard | /* fill in gprs */
|
354 | a541f297 | bellard | for(i = 0; i < 32; i++) { |
355 | e95c8d51 | bellard | registers[i] = tswapl(env->gpr[i]); |
356 | 9e62fd7f | bellard | } |
357 | 9e62fd7f | bellard | /* fill in fprs */
|
358 | 9e62fd7f | bellard | for (i = 0; i < 32; i++) { |
359 | e95c8d51 | bellard | registers[(i * 2) + 32] = tswapl(*((uint32_t *)&env->fpr[i])); |
360 | e95c8d51 | bellard | registers[(i * 2) + 33] = tswapl(*((uint32_t *)&env->fpr[i] + 1)); |
361 | 9e62fd7f | bellard | } |
362 | 9e62fd7f | bellard | /* nip, msr, ccr, lnk, ctr, xer, mq */
|
363 | e95c8d51 | bellard | registers[96] = tswapl(env->nip);
|
364 | 0411a972 | j_mayer | registers[97] = tswapl(env->msr);
|
365 | 9e62fd7f | bellard | tmp = 0;
|
366 | 9e62fd7f | bellard | for (i = 0; i < 8; i++) |
367 | a541f297 | bellard | tmp |= env->crf[i] << (32 - ((i + 1) * 4)); |
368 | e95c8d51 | bellard | registers[98] = tswapl(tmp);
|
369 | e95c8d51 | bellard | registers[99] = tswapl(env->lr);
|
370 | e95c8d51 | bellard | registers[100] = tswapl(env->ctr);
|
371 | 76a66253 | j_mayer | registers[101] = tswapl(ppc_load_xer(env));
|
372 | e95c8d51 | bellard | registers[102] = 0; |
373 | a541f297 | bellard | |
374 | a541f297 | bellard | return 103 * 4; |
375 | 9e62fd7f | bellard | } |
376 | 9e62fd7f | bellard | |
377 | 9e62fd7f | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
378 | 9e62fd7f | bellard | { |
379 | 9e62fd7f | bellard | uint32_t *registers = (uint32_t *)mem_buf; |
380 | 9e62fd7f | bellard | int i;
|
381 | 9e62fd7f | bellard | |
382 | 9e62fd7f | bellard | /* fill in gprs */
|
383 | 9e62fd7f | bellard | for (i = 0; i < 32; i++) { |
384 | e95c8d51 | bellard | env->gpr[i] = tswapl(registers[i]); |
385 | 9e62fd7f | bellard | } |
386 | 9e62fd7f | bellard | /* fill in fprs */
|
387 | 9e62fd7f | bellard | for (i = 0; i < 32; i++) { |
388 | e95c8d51 | bellard | *((uint32_t *)&env->fpr[i]) = tswapl(registers[(i * 2) + 32]); |
389 | e95c8d51 | bellard | *((uint32_t *)&env->fpr[i] + 1) = tswapl(registers[(i * 2) + 33]); |
390 | 9e62fd7f | bellard | } |
391 | 9e62fd7f | bellard | /* nip, msr, ccr, lnk, ctr, xer, mq */
|
392 | e95c8d51 | bellard | env->nip = tswapl(registers[96]);
|
393 | 0411a972 | j_mayer | ppc_store_msr(env, tswapl(registers[97]));
|
394 | e95c8d51 | bellard | registers[98] = tswapl(registers[98]); |
395 | 9e62fd7f | bellard | for (i = 0; i < 8; i++) |
396 | a541f297 | bellard | env->crf[i] = (registers[98] >> (32 - ((i + 1) * 4))) & 0xF; |
397 | e95c8d51 | bellard | env->lr = tswapl(registers[99]);
|
398 | e95c8d51 | bellard | env->ctr = tswapl(registers[100]);
|
399 | 76a66253 | j_mayer | ppc_store_xer(env, tswapl(registers[101]));
|
400 | e95c8d51 | bellard | } |
401 | e95c8d51 | bellard | #elif defined (TARGET_SPARC)
|
402 | e95c8d51 | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
403 | e95c8d51 | bellard | { |
404 | 3475187d | bellard | target_ulong *registers = (target_ulong *)mem_buf; |
405 | e95c8d51 | bellard | int i;
|
406 | e95c8d51 | bellard | |
407 | e95c8d51 | bellard | /* fill in g0..g7 */
|
408 | 48b2c193 | bellard | for(i = 0; i < 8; i++) { |
409 | e95c8d51 | bellard | registers[i] = tswapl(env->gregs[i]); |
410 | e95c8d51 | bellard | } |
411 | e95c8d51 | bellard | /* fill in register window */
|
412 | e95c8d51 | bellard | for(i = 0; i < 24; i++) { |
413 | e95c8d51 | bellard | registers[i + 8] = tswapl(env->regwptr[i]);
|
414 | e95c8d51 | bellard | } |
415 | 9d9754a3 | bellard | #ifndef TARGET_SPARC64
|
416 | e95c8d51 | bellard | /* fill in fprs */
|
417 | e95c8d51 | bellard | for (i = 0; i < 32; i++) { |
418 | e95c8d51 | bellard | registers[i + 32] = tswapl(*((uint32_t *)&env->fpr[i]));
|
419 | e95c8d51 | bellard | } |
420 | e95c8d51 | bellard | /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */
|
421 | e95c8d51 | bellard | registers[64] = tswapl(env->y);
|
422 | 3475187d | bellard | { |
423 | 3475187d | bellard | target_ulong tmp; |
424 | 3475187d | bellard | |
425 | 3475187d | bellard | tmp = GET_PSR(env); |
426 | 3475187d | bellard | registers[65] = tswapl(tmp);
|
427 | 3475187d | bellard | } |
428 | e95c8d51 | bellard | registers[66] = tswapl(env->wim);
|
429 | e95c8d51 | bellard | registers[67] = tswapl(env->tbr);
|
430 | e95c8d51 | bellard | registers[68] = tswapl(env->pc);
|
431 | e95c8d51 | bellard | registers[69] = tswapl(env->npc);
|
432 | e95c8d51 | bellard | registers[70] = tswapl(env->fsr);
|
433 | e95c8d51 | bellard | registers[71] = 0; /* csr */ |
434 | e95c8d51 | bellard | registers[72] = 0; |
435 | 3475187d | bellard | return 73 * sizeof(target_ulong); |
436 | 3475187d | bellard | #else
|
437 | 9d9754a3 | bellard | /* fill in fprs */
|
438 | 9d9754a3 | bellard | for (i = 0; i < 64; i += 2) { |
439 | 9d9754a3 | bellard | uint64_t tmp; |
440 | 9d9754a3 | bellard | |
441 | 8979596d | blueswir1 | tmp = ((uint64_t)*(uint32_t *)&env->fpr[i]) << 32;
|
442 | 8979596d | blueswir1 | tmp |= *(uint32_t *)&env->fpr[i + 1];
|
443 | 8979596d | blueswir1 | registers[i / 2 + 32] = tswap64(tmp); |
444 | 3475187d | bellard | } |
445 | 9d9754a3 | bellard | registers[64] = tswapl(env->pc);
|
446 | 9d9754a3 | bellard | registers[65] = tswapl(env->npc);
|
447 | 17d996e1 | blueswir1 | registers[66] = tswapl(((uint64_t)GET_CCR(env) << 32) | |
448 | 17d996e1 | blueswir1 | ((env->asi & 0xff) << 24) | |
449 | 17d996e1 | blueswir1 | ((env->pstate & 0xfff) << 8) | |
450 | 17d996e1 | blueswir1 | GET_CWP64(env)); |
451 | 9d9754a3 | bellard | registers[67] = tswapl(env->fsr);
|
452 | 9d9754a3 | bellard | registers[68] = tswapl(env->fprs);
|
453 | 9d9754a3 | bellard | registers[69] = tswapl(env->y);
|
454 | 9d9754a3 | bellard | return 70 * sizeof(target_ulong); |
455 | 3475187d | bellard | #endif
|
456 | e95c8d51 | bellard | } |
457 | e95c8d51 | bellard | |
458 | e95c8d51 | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
459 | e95c8d51 | bellard | { |
460 | 3475187d | bellard | target_ulong *registers = (target_ulong *)mem_buf; |
461 | e95c8d51 | bellard | int i;
|
462 | e95c8d51 | bellard | |
463 | e95c8d51 | bellard | /* fill in g0..g7 */
|
464 | e95c8d51 | bellard | for(i = 0; i < 7; i++) { |
465 | e95c8d51 | bellard | env->gregs[i] = tswapl(registers[i]); |
466 | e95c8d51 | bellard | } |
467 | e95c8d51 | bellard | /* fill in register window */
|
468 | e95c8d51 | bellard | for(i = 0; i < 24; i++) { |
469 | 3475187d | bellard | env->regwptr[i] = tswapl(registers[i + 8]);
|
470 | e95c8d51 | bellard | } |
471 | 9d9754a3 | bellard | #ifndef TARGET_SPARC64
|
472 | e95c8d51 | bellard | /* fill in fprs */
|
473 | e95c8d51 | bellard | for (i = 0; i < 32; i++) { |
474 | e95c8d51 | bellard | *((uint32_t *)&env->fpr[i]) = tswapl(registers[i + 32]);
|
475 | e95c8d51 | bellard | } |
476 | e95c8d51 | bellard | /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */
|
477 | e95c8d51 | bellard | env->y = tswapl(registers[64]);
|
478 | e80cfcfc | bellard | PUT_PSR(env, tswapl(registers[65]));
|
479 | e95c8d51 | bellard | env->wim = tswapl(registers[66]);
|
480 | e95c8d51 | bellard | env->tbr = tswapl(registers[67]);
|
481 | e95c8d51 | bellard | env->pc = tswapl(registers[68]);
|
482 | e95c8d51 | bellard | env->npc = tswapl(registers[69]);
|
483 | e95c8d51 | bellard | env->fsr = tswapl(registers[70]);
|
484 | 3475187d | bellard | #else
|
485 | 9d9754a3 | bellard | for (i = 0; i < 64; i += 2) { |
486 | 8979596d | blueswir1 | uint64_t tmp; |
487 | 8979596d | blueswir1 | |
488 | 8979596d | blueswir1 | tmp = tswap64(registers[i / 2 + 32]); |
489 | 8979596d | blueswir1 | *((uint32_t *)&env->fpr[i]) = tmp >> 32;
|
490 | 8979596d | blueswir1 | *((uint32_t *)&env->fpr[i + 1]) = tmp & 0xffffffff; |
491 | 3475187d | bellard | } |
492 | 9d9754a3 | bellard | env->pc = tswapl(registers[64]);
|
493 | 9d9754a3 | bellard | env->npc = tswapl(registers[65]);
|
494 | 17d996e1 | blueswir1 | { |
495 | 17d996e1 | blueswir1 | uint64_t tmp = tswapl(registers[66]);
|
496 | 17d996e1 | blueswir1 | |
497 | 17d996e1 | blueswir1 | PUT_CCR(env, tmp >> 32);
|
498 | 17d996e1 | blueswir1 | env->asi = (tmp >> 24) & 0xff; |
499 | 17d996e1 | blueswir1 | env->pstate = (tmp >> 8) & 0xfff; |
500 | 17d996e1 | blueswir1 | PUT_CWP64(env, tmp & 0xff);
|
501 | 17d996e1 | blueswir1 | } |
502 | 9d9754a3 | bellard | env->fsr = tswapl(registers[67]);
|
503 | 9d9754a3 | bellard | env->fprs = tswapl(registers[68]);
|
504 | 9d9754a3 | bellard | env->y = tswapl(registers[69]);
|
505 | 3475187d | bellard | #endif
|
506 | 9e62fd7f | bellard | } |
507 | 1fddef4b | bellard | #elif defined (TARGET_ARM)
|
508 | 1fddef4b | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
509 | 1fddef4b | bellard | { |
510 | 1fddef4b | bellard | int i;
|
511 | 1fddef4b | bellard | uint8_t *ptr; |
512 | 1fddef4b | bellard | |
513 | 1fddef4b | bellard | ptr = mem_buf; |
514 | 1fddef4b | bellard | /* 16 core integer registers (4 bytes each). */
|
515 | 1fddef4b | bellard | for (i = 0; i < 16; i++) |
516 | 1fddef4b | bellard | { |
517 | 1fddef4b | bellard | *(uint32_t *)ptr = tswapl(env->regs[i]); |
518 | 1fddef4b | bellard | ptr += 4;
|
519 | 1fddef4b | bellard | } |
520 | 1fddef4b | bellard | /* 8 FPA registers (12 bytes each), FPS (4 bytes).
|
521 | 1fddef4b | bellard | Not yet implemented. */
|
522 | 1fddef4b | bellard | memset (ptr, 0, 8 * 12 + 4); |
523 | 1fddef4b | bellard | ptr += 8 * 12 + 4; |
524 | 1fddef4b | bellard | /* CPSR (4 bytes). */
|
525 | b5ff1b31 | bellard | *(uint32_t *)ptr = tswapl (cpsr_read(env)); |
526 | 1fddef4b | bellard | ptr += 4;
|
527 | 1fddef4b | bellard | |
528 | 1fddef4b | bellard | return ptr - mem_buf;
|
529 | 1fddef4b | bellard | } |
530 | 6da41eaf | bellard | |
531 | 1fddef4b | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
532 | 1fddef4b | bellard | { |
533 | 1fddef4b | bellard | int i;
|
534 | 1fddef4b | bellard | uint8_t *ptr; |
535 | 1fddef4b | bellard | |
536 | 1fddef4b | bellard | ptr = mem_buf; |
537 | 1fddef4b | bellard | /* Core integer registers. */
|
538 | 1fddef4b | bellard | for (i = 0; i < 16; i++) |
539 | 1fddef4b | bellard | { |
540 | 1fddef4b | bellard | env->regs[i] = tswapl(*(uint32_t *)ptr); |
541 | 1fddef4b | bellard | ptr += 4;
|
542 | 1fddef4b | bellard | } |
543 | 1fddef4b | bellard | /* Ignore FPA regs and scr. */
|
544 | 1fddef4b | bellard | ptr += 8 * 12 + 4; |
545 | b5ff1b31 | bellard | cpsr_write (env, tswapl(*(uint32_t *)ptr), 0xffffffff);
|
546 | 1fddef4b | bellard | } |
547 | e6e5906b | pbrook | #elif defined (TARGET_M68K)
|
548 | e6e5906b | pbrook | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
549 | e6e5906b | pbrook | { |
550 | e6e5906b | pbrook | int i;
|
551 | e6e5906b | pbrook | uint8_t *ptr; |
552 | e6e5906b | pbrook | CPU_DoubleU u; |
553 | e6e5906b | pbrook | |
554 | e6e5906b | pbrook | ptr = mem_buf; |
555 | e6e5906b | pbrook | /* D0-D7 */
|
556 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
557 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->dregs[i]); |
558 | e6e5906b | pbrook | ptr += 4;
|
559 | e6e5906b | pbrook | } |
560 | e6e5906b | pbrook | /* A0-A7 */
|
561 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
562 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->aregs[i]); |
563 | e6e5906b | pbrook | ptr += 4;
|
564 | e6e5906b | pbrook | } |
565 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->sr); |
566 | e6e5906b | pbrook | ptr += 4;
|
567 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->pc); |
568 | e6e5906b | pbrook | ptr += 4;
|
569 | e6e5906b | pbrook | /* F0-F7. The 68881/68040 have 12-bit extended precision registers.
|
570 | e6e5906b | pbrook | ColdFire has 8-bit double precision registers. */
|
571 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
572 | e6e5906b | pbrook | u.d = env->fregs[i]; |
573 | e6e5906b | pbrook | *(uint32_t *)ptr = tswap32(u.l.upper); |
574 | e6e5906b | pbrook | *(uint32_t *)ptr = tswap32(u.l.lower); |
575 | e6e5906b | pbrook | } |
576 | e6e5906b | pbrook | /* FP control regs (not implemented). */
|
577 | e6e5906b | pbrook | memset (ptr, 0, 3 * 4); |
578 | e6e5906b | pbrook | ptr += 3 * 4; |
579 | e6e5906b | pbrook | |
580 | e6e5906b | pbrook | return ptr - mem_buf;
|
581 | e6e5906b | pbrook | } |
582 | e6e5906b | pbrook | |
583 | e6e5906b | pbrook | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
584 | e6e5906b | pbrook | { |
585 | e6e5906b | pbrook | int i;
|
586 | e6e5906b | pbrook | uint8_t *ptr; |
587 | e6e5906b | pbrook | CPU_DoubleU u; |
588 | e6e5906b | pbrook | |
589 | e6e5906b | pbrook | ptr = mem_buf; |
590 | e6e5906b | pbrook | /* D0-D7 */
|
591 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
592 | e6e5906b | pbrook | env->dregs[i] = tswapl(*(uint32_t *)ptr); |
593 | e6e5906b | pbrook | ptr += 4;
|
594 | e6e5906b | pbrook | } |
595 | e6e5906b | pbrook | /* A0-A7 */
|
596 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
597 | e6e5906b | pbrook | env->aregs[i] = tswapl(*(uint32_t *)ptr); |
598 | e6e5906b | pbrook | ptr += 4;
|
599 | e6e5906b | pbrook | } |
600 | e6e5906b | pbrook | env->sr = tswapl(*(uint32_t *)ptr); |
601 | e6e5906b | pbrook | ptr += 4;
|
602 | e6e5906b | pbrook | env->pc = tswapl(*(uint32_t *)ptr); |
603 | e6e5906b | pbrook | ptr += 4;
|
604 | e6e5906b | pbrook | /* F0-F7. The 68881/68040 have 12-bit extended precision registers.
|
605 | e6e5906b | pbrook | ColdFire has 8-bit double precision registers. */
|
606 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
607 | 5fafdf24 | ths | u.l.upper = tswap32(*(uint32_t *)ptr); |
608 | e6e5906b | pbrook | u.l.lower = tswap32(*(uint32_t *)ptr); |
609 | e6e5906b | pbrook | env->fregs[i] = u.d; |
610 | e6e5906b | pbrook | } |
611 | e6e5906b | pbrook | /* FP control regs (not implemented). */
|
612 | e6e5906b | pbrook | ptr += 3 * 4; |
613 | e6e5906b | pbrook | } |
614 | 6f970bd9 | bellard | #elif defined (TARGET_MIPS)
|
615 | 6f970bd9 | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
616 | 6f970bd9 | bellard | { |
617 | 6f970bd9 | bellard | int i;
|
618 | 6f970bd9 | bellard | uint8_t *ptr; |
619 | 6f970bd9 | bellard | |
620 | 6f970bd9 | bellard | ptr = mem_buf; |
621 | 6f970bd9 | bellard | for (i = 0; i < 32; i++) |
622 | 6f970bd9 | bellard | { |
623 | d0dc7dc3 | ths | *(target_ulong *)ptr = tswapl(env->gpr[env->current_tc][i]); |
624 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
625 | 6f970bd9 | bellard | } |
626 | 6f970bd9 | bellard | |
627 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->CP0_Status); |
628 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
629 | 6f970bd9 | bellard | |
630 | d0dc7dc3 | ths | *(target_ulong *)ptr = tswapl(env->LO[env->current_tc][0]);
|
631 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
632 | 6f970bd9 | bellard | |
633 | d0dc7dc3 | ths | *(target_ulong *)ptr = tswapl(env->HI[env->current_tc][0]);
|
634 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
635 | 6f970bd9 | bellard | |
636 | 2052caa7 | ths | *(target_ulong *)ptr = tswapl(env->CP0_BadVAddr); |
637 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
638 | 6f970bd9 | bellard | |
639 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->CP0_Cause); |
640 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
641 | 6f970bd9 | bellard | |
642 | ead9360e | ths | *(target_ulong *)ptr = tswapl(env->PC[env->current_tc]); |
643 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
644 | 6f970bd9 | bellard | |
645 | 36d23958 | ths | if (env->CP0_Config1 & (1 << CP0C1_FP)) |
646 | 8e33c08c | ths | { |
647 | 36d23958 | ths | for (i = 0; i < 32; i++) |
648 | 36d23958 | ths | { |
649 | 7ac256b8 | ths | if (env->CP0_Status & (1 << CP0St_FR)) |
650 | 7ac256b8 | ths | *(target_ulong *)ptr = tswapl(env->fpu->fpr[i].d); |
651 | 7ac256b8 | ths | else
|
652 | 7ac256b8 | ths | *(target_ulong *)ptr = tswap32(env->fpu->fpr[i].w[FP_ENDIAN_IDX]); |
653 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
654 | 36d23958 | ths | } |
655 | 8e33c08c | ths | |
656 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->fpu->fcr31); |
657 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
658 | 8e33c08c | ths | |
659 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->fpu->fcr0); |
660 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
661 | 36d23958 | ths | } |
662 | 8e33c08c | ths | |
663 | 7ac256b8 | ths | /* "fp", pseudo frame pointer. Not yet implemented in gdb. */
|
664 | 7ac256b8 | ths | *(target_ulong *)ptr = 0;
|
665 | 7ac256b8 | ths | ptr += sizeof(target_ulong);
|
666 | 7ac256b8 | ths | |
667 | 7ac256b8 | ths | /* Registers for embedded use, we just pad them. */
|
668 | 7ac256b8 | ths | for (i = 0; i < 16; i++) |
669 | 7ac256b8 | ths | { |
670 | 7ac256b8 | ths | *(target_ulong *)ptr = 0;
|
671 | 7ac256b8 | ths | ptr += sizeof(target_ulong);
|
672 | 7ac256b8 | ths | } |
673 | 7ac256b8 | ths | |
674 | 7ac256b8 | ths | /* Processor ID. */
|
675 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->CP0_PRid); |
676 | 7ac256b8 | ths | ptr += sizeof(target_ulong);
|
677 | 6f970bd9 | bellard | |
678 | 6f970bd9 | bellard | return ptr - mem_buf;
|
679 | 6f970bd9 | bellard | } |
680 | 6f970bd9 | bellard | |
681 | 8e33c08c | ths | /* convert MIPS rounding mode in FCR31 to IEEE library */
|
682 | 8e33c08c | ths | static unsigned int ieee_rm[] = |
683 | 8e33c08c | ths | { |
684 | 8e33c08c | ths | float_round_nearest_even, |
685 | 8e33c08c | ths | float_round_to_zero, |
686 | 8e33c08c | ths | float_round_up, |
687 | 8e33c08c | ths | float_round_down |
688 | 8e33c08c | ths | }; |
689 | 8e33c08c | ths | #define RESTORE_ROUNDING_MODE \
|
690 | ead9360e | ths | set_float_rounding_mode(ieee_rm[env->fpu->fcr31 & 3], &env->fpu->fp_status)
|
691 | 8e33c08c | ths | |
692 | 6f970bd9 | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
693 | 6f970bd9 | bellard | { |
694 | 6f970bd9 | bellard | int i;
|
695 | 6f970bd9 | bellard | uint8_t *ptr; |
696 | 6f970bd9 | bellard | |
697 | 6f970bd9 | bellard | ptr = mem_buf; |
698 | 6f970bd9 | bellard | for (i = 0; i < 32; i++) |
699 | 6f970bd9 | bellard | { |
700 | d0dc7dc3 | ths | env->gpr[env->current_tc][i] = tswapl(*(target_ulong *)ptr); |
701 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
702 | 6f970bd9 | bellard | } |
703 | 6f970bd9 | bellard | |
704 | 2052caa7 | ths | env->CP0_Status = tswapl(*(target_ulong *)ptr); |
705 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
706 | 6f970bd9 | bellard | |
707 | d0dc7dc3 | ths | env->LO[env->current_tc][0] = tswapl(*(target_ulong *)ptr);
|
708 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
709 | 6f970bd9 | bellard | |
710 | d0dc7dc3 | ths | env->HI[env->current_tc][0] = tswapl(*(target_ulong *)ptr);
|
711 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
712 | 6f970bd9 | bellard | |
713 | 2052caa7 | ths | env->CP0_BadVAddr = tswapl(*(target_ulong *)ptr); |
714 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
715 | 6f970bd9 | bellard | |
716 | 2052caa7 | ths | env->CP0_Cause = tswapl(*(target_ulong *)ptr); |
717 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
718 | 6f970bd9 | bellard | |
719 | ead9360e | ths | env->PC[env->current_tc] = tswapl(*(target_ulong *)ptr); |
720 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
721 | 8e33c08c | ths | |
722 | 36d23958 | ths | if (env->CP0_Config1 & (1 << CP0C1_FP)) |
723 | 8e33c08c | ths | { |
724 | 36d23958 | ths | for (i = 0; i < 32; i++) |
725 | 36d23958 | ths | { |
726 | 7ac256b8 | ths | if (env->CP0_Status & (1 << CP0St_FR)) |
727 | 7ac256b8 | ths | env->fpu->fpr[i].d = tswapl(*(target_ulong *)ptr); |
728 | 7ac256b8 | ths | else
|
729 | 7ac256b8 | ths | env->fpu->fpr[i].w[FP_ENDIAN_IDX] = tswapl(*(target_ulong *)ptr); |
730 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
731 | 36d23958 | ths | } |
732 | 8e33c08c | ths | |
733 | 7ac256b8 | ths | env->fpu->fcr31 = tswapl(*(target_ulong *)ptr) & 0xFF83FFFF;
|
734 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
735 | 8e33c08c | ths | |
736 | 7ac256b8 | ths | /* The remaining registers are assumed to be read-only. */
|
737 | 8e33c08c | ths | |
738 | 36d23958 | ths | /* set rounding mode */
|
739 | 36d23958 | ths | RESTORE_ROUNDING_MODE; |
740 | 8e33c08c | ths | |
741 | 8e33c08c | ths | #ifndef CONFIG_SOFTFLOAT
|
742 | 36d23958 | ths | /* no floating point exception for native float */
|
743 | 36d23958 | ths | SET_FP_ENABLE(env->fcr31, 0);
|
744 | 8e33c08c | ths | #endif
|
745 | 36d23958 | ths | } |
746 | 6f970bd9 | bellard | } |
747 | fdf9b3e8 | bellard | #elif defined (TARGET_SH4)
|
748 | 6ef99fc5 | ths | |
749 | 6ef99fc5 | ths | /* Hint: Use "set architecture sh4" in GDB to see fpu registers */
|
750 | 6ef99fc5 | ths | |
751 | fdf9b3e8 | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
752 | fdf9b3e8 | bellard | { |
753 | fdf9b3e8 | bellard | uint32_t *ptr = (uint32_t *)mem_buf; |
754 | fdf9b3e8 | bellard | int i;
|
755 | fdf9b3e8 | bellard | |
756 | fdf9b3e8 | bellard | #define SAVE(x) *ptr++=tswapl(x)
|
757 | 9c2a9ea1 | pbrook | if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) {
|
758 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) SAVE(env->gregs[i + 16]); |
759 | 9c2a9ea1 | pbrook | } else {
|
760 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) SAVE(env->gregs[i]); |
761 | 9c2a9ea1 | pbrook | } |
762 | 9c2a9ea1 | pbrook | for (i = 8; i < 16; i++) SAVE(env->gregs[i]); |
763 | fdf9b3e8 | bellard | SAVE (env->pc); |
764 | fdf9b3e8 | bellard | SAVE (env->pr); |
765 | fdf9b3e8 | bellard | SAVE (env->gbr); |
766 | fdf9b3e8 | bellard | SAVE (env->vbr); |
767 | fdf9b3e8 | bellard | SAVE (env->mach); |
768 | fdf9b3e8 | bellard | SAVE (env->macl); |
769 | fdf9b3e8 | bellard | SAVE (env->sr); |
770 | 6ef99fc5 | ths | SAVE (env->fpul); |
771 | 6ef99fc5 | ths | SAVE (env->fpscr); |
772 | 6ef99fc5 | ths | for (i = 0; i < 16; i++) |
773 | 6ef99fc5 | ths | SAVE(env->fregs[i + ((env->fpscr & FPSCR_FR) ? 16 : 0)]); |
774 | 6ef99fc5 | ths | SAVE (env->ssr); |
775 | 6ef99fc5 | ths | SAVE (env->spc); |
776 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) SAVE(env->gregs[i]); |
777 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) SAVE(env->gregs[i + 16]); |
778 | fdf9b3e8 | bellard | return ((uint8_t *)ptr - mem_buf);
|
779 | fdf9b3e8 | bellard | } |
780 | fdf9b3e8 | bellard | |
781 | fdf9b3e8 | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
782 | fdf9b3e8 | bellard | { |
783 | fdf9b3e8 | bellard | uint32_t *ptr = (uint32_t *)mem_buf; |
784 | fdf9b3e8 | bellard | int i;
|
785 | fdf9b3e8 | bellard | |
786 | fdf9b3e8 | bellard | #define LOAD(x) (x)=*ptr++;
|
787 | 9c2a9ea1 | pbrook | if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) {
|
788 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) LOAD(env->gregs[i + 16]); |
789 | 9c2a9ea1 | pbrook | } else {
|
790 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) LOAD(env->gregs[i]); |
791 | 9c2a9ea1 | pbrook | } |
792 | 9c2a9ea1 | pbrook | for (i = 8; i < 16; i++) LOAD(env->gregs[i]); |
793 | fdf9b3e8 | bellard | LOAD (env->pc); |
794 | fdf9b3e8 | bellard | LOAD (env->pr); |
795 | fdf9b3e8 | bellard | LOAD (env->gbr); |
796 | fdf9b3e8 | bellard | LOAD (env->vbr); |
797 | fdf9b3e8 | bellard | LOAD (env->mach); |
798 | fdf9b3e8 | bellard | LOAD (env->macl); |
799 | fdf9b3e8 | bellard | LOAD (env->sr); |
800 | 6ef99fc5 | ths | LOAD (env->fpul); |
801 | 6ef99fc5 | ths | LOAD (env->fpscr); |
802 | 6ef99fc5 | ths | for (i = 0; i < 16; i++) |
803 | 6ef99fc5 | ths | LOAD(env->fregs[i + ((env->fpscr & FPSCR_FR) ? 16 : 0)]); |
804 | 6ef99fc5 | ths | LOAD (env->ssr); |
805 | 6ef99fc5 | ths | LOAD (env->spc); |
806 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) LOAD(env->gregs[i]); |
807 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) LOAD(env->gregs[i + 16]); |
808 | fdf9b3e8 | bellard | } |
809 | f1ccf904 | ths | #elif defined (TARGET_CRIS)
|
810 | f1ccf904 | ths | |
811 | f1ccf904 | ths | static int cris_save_32 (unsigned char *d, uint32_t value) |
812 | f1ccf904 | ths | { |
813 | f1ccf904 | ths | *d++ = (value); |
814 | f1ccf904 | ths | *d++ = (value >>= 8);
|
815 | f1ccf904 | ths | *d++ = (value >>= 8);
|
816 | f1ccf904 | ths | *d++ = (value >>= 8);
|
817 | f1ccf904 | ths | return 4; |
818 | f1ccf904 | ths | } |
819 | f1ccf904 | ths | static int cris_save_16 (unsigned char *d, uint32_t value) |
820 | f1ccf904 | ths | { |
821 | f1ccf904 | ths | *d++ = (value); |
822 | f1ccf904 | ths | *d++ = (value >>= 8);
|
823 | f1ccf904 | ths | return 2; |
824 | f1ccf904 | ths | } |
825 | f1ccf904 | ths | static int cris_save_8 (unsigned char *d, uint32_t value) |
826 | f1ccf904 | ths | { |
827 | f1ccf904 | ths | *d++ = (value); |
828 | f1ccf904 | ths | return 1; |
829 | f1ccf904 | ths | } |
830 | f1ccf904 | ths | |
831 | f1ccf904 | ths | /* FIXME: this will bug on archs not supporting unaligned word accesses. */
|
832 | f1ccf904 | ths | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
833 | f1ccf904 | ths | { |
834 | f1ccf904 | ths | uint8_t *ptr = mem_buf; |
835 | f1ccf904 | ths | uint8_t srs; |
836 | f1ccf904 | ths | int i;
|
837 | f1ccf904 | ths | |
838 | f1ccf904 | ths | for (i = 0; i < 16; i++) |
839 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->regs[i]); |
840 | f1ccf904 | ths | |
841 | 9004627f | edgar_igl | srs = env->pregs[PR_SRS]; |
842 | f1ccf904 | ths | |
843 | f1ccf904 | ths | ptr += cris_save_8 (ptr, env->pregs[0]);
|
844 | f1ccf904 | ths | ptr += cris_save_8 (ptr, env->pregs[1]);
|
845 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->pregs[2]);
|
846 | f1ccf904 | ths | ptr += cris_save_8 (ptr, srs); |
847 | f1ccf904 | ths | ptr += cris_save_16 (ptr, env->pregs[4]);
|
848 | f1ccf904 | ths | |
849 | f1ccf904 | ths | for (i = 5; i < 16; i++) |
850 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->pregs[i]); |
851 | f1ccf904 | ths | |
852 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->pc); |
853 | f1ccf904 | ths | |
854 | f1ccf904 | ths | for (i = 0; i < 16; i++) |
855 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->sregs[srs][i]); |
856 | f1ccf904 | ths | |
857 | f1ccf904 | ths | return ((uint8_t *)ptr - mem_buf);
|
858 | f1ccf904 | ths | } |
859 | f1ccf904 | ths | |
860 | f1ccf904 | ths | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
861 | f1ccf904 | ths | { |
862 | f1ccf904 | ths | uint32_t *ptr = (uint32_t *)mem_buf; |
863 | f1ccf904 | ths | int i;
|
864 | f1ccf904 | ths | |
865 | f1ccf904 | ths | #define LOAD(x) (x)=*ptr++;
|
866 | f1ccf904 | ths | for (i = 0; i < 16; i++) LOAD(env->regs[i]); |
867 | f1ccf904 | ths | LOAD (env->pc); |
868 | f1ccf904 | ths | } |
869 | 1fddef4b | bellard | #else
|
870 | 6da41eaf | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
871 | 6da41eaf | bellard | { |
872 | 6da41eaf | bellard | return 0; |
873 | 6da41eaf | bellard | } |
874 | 6da41eaf | bellard | |
875 | 6da41eaf | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
876 | 6da41eaf | bellard | { |
877 | 6da41eaf | bellard | } |
878 | 6da41eaf | bellard | |
879 | 6da41eaf | bellard | #endif
|
880 | b4608c04 | bellard | |
881 | 1fddef4b | bellard | static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf) |
882 | b4608c04 | bellard | { |
883 | b4608c04 | bellard | const char *p; |
884 | 858693c6 | bellard | int ch, reg_size, type;
|
885 | b4608c04 | bellard | char buf[4096]; |
886 | f1ccf904 | ths | uint8_t mem_buf[4096];
|
887 | b4608c04 | bellard | uint32_t *registers; |
888 | 9d9754a3 | bellard | target_ulong addr, len; |
889 | 3b46e624 | ths | |
890 | 858693c6 | bellard | #ifdef DEBUG_GDB
|
891 | 858693c6 | bellard | printf("command='%s'\n", line_buf);
|
892 | 858693c6 | bellard | #endif
|
893 | 858693c6 | bellard | p = line_buf; |
894 | 858693c6 | bellard | ch = *p++; |
895 | 858693c6 | bellard | switch(ch) {
|
896 | 858693c6 | bellard | case '?': |
897 | 1fddef4b | bellard | /* TODO: Make this return the correct value for user-mode. */
|
898 | 858693c6 | bellard | snprintf(buf, sizeof(buf), "S%02x", SIGTRAP); |
899 | 858693c6 | bellard | put_packet(s, buf); |
900 | 858693c6 | bellard | break;
|
901 | 858693c6 | bellard | case 'c': |
902 | 858693c6 | bellard | if (*p != '\0') { |
903 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
904 | 4c3a88a2 | bellard | #if defined(TARGET_I386)
|
905 | 858693c6 | bellard | env->eip = addr; |
906 | 5be1a8e0 | bellard | #elif defined (TARGET_PPC)
|
907 | 858693c6 | bellard | env->nip = addr; |
908 | 8d5f07fa | bellard | #elif defined (TARGET_SPARC)
|
909 | 8d5f07fa | bellard | env->pc = addr; |
910 | 8d5f07fa | bellard | env->npc = addr + 4;
|
911 | b5ff1b31 | bellard | #elif defined (TARGET_ARM)
|
912 | b5ff1b31 | bellard | env->regs[15] = addr;
|
913 | fdf9b3e8 | bellard | #elif defined (TARGET_SH4)
|
914 | 8fac5803 | ths | env->pc = addr; |
915 | 8fac5803 | ths | #elif defined (TARGET_MIPS)
|
916 | ead9360e | ths | env->PC[env->current_tc] = addr; |
917 | f1ccf904 | ths | #elif defined (TARGET_CRIS)
|
918 | f1ccf904 | ths | env->pc = addr; |
919 | 4c3a88a2 | bellard | #endif
|
920 | 858693c6 | bellard | } |
921 | ba70a624 | edgar_igl | gdb_continue(s); |
922 | 41625033 | bellard | return RS_IDLE;
|
923 | 858693c6 | bellard | case 's': |
924 | 858693c6 | bellard | if (*p != '\0') { |
925 | 8fac5803 | ths | addr = strtoull(p, (char **)&p, 16); |
926 | c33a346e | bellard | #if defined(TARGET_I386)
|
927 | 858693c6 | bellard | env->eip = addr; |
928 | 5be1a8e0 | bellard | #elif defined (TARGET_PPC)
|
929 | 858693c6 | bellard | env->nip = addr; |
930 | 8d5f07fa | bellard | #elif defined (TARGET_SPARC)
|
931 | 8d5f07fa | bellard | env->pc = addr; |
932 | 8d5f07fa | bellard | env->npc = addr + 4;
|
933 | b5ff1b31 | bellard | #elif defined (TARGET_ARM)
|
934 | b5ff1b31 | bellard | env->regs[15] = addr;
|
935 | fdf9b3e8 | bellard | #elif defined (TARGET_SH4)
|
936 | 8fac5803 | ths | env->pc = addr; |
937 | 8fac5803 | ths | #elif defined (TARGET_MIPS)
|
938 | ead9360e | ths | env->PC[env->current_tc] = addr; |
939 | f1ccf904 | ths | #elif defined (TARGET_CRIS)
|
940 | f1ccf904 | ths | env->pc = addr; |
941 | c33a346e | bellard | #endif
|
942 | 858693c6 | bellard | } |
943 | 858693c6 | bellard | cpu_single_step(env, 1);
|
944 | ba70a624 | edgar_igl | gdb_continue(s); |
945 | 41625033 | bellard | return RS_IDLE;
|
946 | a2d1ebaf | pbrook | case 'F': |
947 | a2d1ebaf | pbrook | { |
948 | a2d1ebaf | pbrook | target_ulong ret; |
949 | a2d1ebaf | pbrook | target_ulong err; |
950 | a2d1ebaf | pbrook | |
951 | a2d1ebaf | pbrook | ret = strtoull(p, (char **)&p, 16); |
952 | a2d1ebaf | pbrook | if (*p == ',') { |
953 | a2d1ebaf | pbrook | p++; |
954 | a2d1ebaf | pbrook | err = strtoull(p, (char **)&p, 16); |
955 | a2d1ebaf | pbrook | } else {
|
956 | a2d1ebaf | pbrook | err = 0;
|
957 | a2d1ebaf | pbrook | } |
958 | a2d1ebaf | pbrook | if (*p == ',') |
959 | a2d1ebaf | pbrook | p++; |
960 | a2d1ebaf | pbrook | type = *p; |
961 | a2d1ebaf | pbrook | if (gdb_current_syscall_cb)
|
962 | a2d1ebaf | pbrook | gdb_current_syscall_cb(s->env, ret, err); |
963 | a2d1ebaf | pbrook | if (type == 'C') { |
964 | a2d1ebaf | pbrook | put_packet(s, "T02");
|
965 | a2d1ebaf | pbrook | } else {
|
966 | ba70a624 | edgar_igl | gdb_continue(s); |
967 | a2d1ebaf | pbrook | } |
968 | a2d1ebaf | pbrook | } |
969 | a2d1ebaf | pbrook | break;
|
970 | 858693c6 | bellard | case 'g': |
971 | 858693c6 | bellard | reg_size = cpu_gdb_read_registers(env, mem_buf); |
972 | 858693c6 | bellard | memtohex(buf, mem_buf, reg_size); |
973 | 858693c6 | bellard | put_packet(s, buf); |
974 | 858693c6 | bellard | break;
|
975 | 858693c6 | bellard | case 'G': |
976 | 858693c6 | bellard | registers = (void *)mem_buf;
|
977 | 858693c6 | bellard | len = strlen(p) / 2;
|
978 | 858693c6 | bellard | hextomem((uint8_t *)registers, p, len); |
979 | 858693c6 | bellard | cpu_gdb_write_registers(env, mem_buf, len); |
980 | 858693c6 | bellard | put_packet(s, "OK");
|
981 | 858693c6 | bellard | break;
|
982 | 858693c6 | bellard | case 'm': |
983 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
984 | 858693c6 | bellard | if (*p == ',') |
985 | 858693c6 | bellard | p++; |
986 | 9d9754a3 | bellard | len = strtoull(p, NULL, 16); |
987 | 6f970bd9 | bellard | if (cpu_memory_rw_debug(env, addr, mem_buf, len, 0) != 0) { |
988 | 6f970bd9 | bellard | put_packet (s, "E14");
|
989 | 6f970bd9 | bellard | } else {
|
990 | 6f970bd9 | bellard | memtohex(buf, mem_buf, len); |
991 | 6f970bd9 | bellard | put_packet(s, buf); |
992 | 6f970bd9 | bellard | } |
993 | 858693c6 | bellard | break;
|
994 | 858693c6 | bellard | case 'M': |
995 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
996 | 858693c6 | bellard | if (*p == ',') |
997 | 858693c6 | bellard | p++; |
998 | 9d9754a3 | bellard | len = strtoull(p, (char **)&p, 16); |
999 | b328f873 | bellard | if (*p == ':') |
1000 | 858693c6 | bellard | p++; |
1001 | 858693c6 | bellard | hextomem(mem_buf, p, len); |
1002 | 858693c6 | bellard | if (cpu_memory_rw_debug(env, addr, mem_buf, len, 1) != 0) |
1003 | 905f20b1 | bellard | put_packet(s, "E14");
|
1004 | 858693c6 | bellard | else
|
1005 | 858693c6 | bellard | put_packet(s, "OK");
|
1006 | 858693c6 | bellard | break;
|
1007 | 858693c6 | bellard | case 'Z': |
1008 | 858693c6 | bellard | type = strtoul(p, (char **)&p, 16); |
1009 | 858693c6 | bellard | if (*p == ',') |
1010 | 858693c6 | bellard | p++; |
1011 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
1012 | 858693c6 | bellard | if (*p == ',') |
1013 | 858693c6 | bellard | p++; |
1014 | 9d9754a3 | bellard | len = strtoull(p, (char **)&p, 16); |
1015 | 858693c6 | bellard | if (type == 0 || type == 1) { |
1016 | 858693c6 | bellard | if (cpu_breakpoint_insert(env, addr) < 0) |
1017 | 858693c6 | bellard | goto breakpoint_error;
|
1018 | 858693c6 | bellard | put_packet(s, "OK");
|
1019 | 6658ffb8 | pbrook | #ifndef CONFIG_USER_ONLY
|
1020 | 6658ffb8 | pbrook | } else if (type == 2) { |
1021 | 6658ffb8 | pbrook | if (cpu_watchpoint_insert(env, addr) < 0) |
1022 | 6658ffb8 | pbrook | goto breakpoint_error;
|
1023 | 6658ffb8 | pbrook | put_packet(s, "OK");
|
1024 | 6658ffb8 | pbrook | #endif
|
1025 | 858693c6 | bellard | } else {
|
1026 | 858693c6 | bellard | breakpoint_error:
|
1027 | 905f20b1 | bellard | put_packet(s, "E22");
|
1028 | 858693c6 | bellard | } |
1029 | 858693c6 | bellard | break;
|
1030 | 858693c6 | bellard | case 'z': |
1031 | 858693c6 | bellard | type = strtoul(p, (char **)&p, 16); |
1032 | 858693c6 | bellard | if (*p == ',') |
1033 | 858693c6 | bellard | p++; |
1034 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
1035 | 858693c6 | bellard | if (*p == ',') |
1036 | 858693c6 | bellard | p++; |
1037 | 9d9754a3 | bellard | len = strtoull(p, (char **)&p, 16); |
1038 | 858693c6 | bellard | if (type == 0 || type == 1) { |
1039 | 858693c6 | bellard | cpu_breakpoint_remove(env, addr); |
1040 | 858693c6 | bellard | put_packet(s, "OK");
|
1041 | 6658ffb8 | pbrook | #ifndef CONFIG_USER_ONLY
|
1042 | 6658ffb8 | pbrook | } else if (type == 2) { |
1043 | 6658ffb8 | pbrook | cpu_watchpoint_remove(env, addr); |
1044 | 6658ffb8 | pbrook | put_packet(s, "OK");
|
1045 | 6658ffb8 | pbrook | #endif
|
1046 | 858693c6 | bellard | } else {
|
1047 | 858693c6 | bellard | goto breakpoint_error;
|
1048 | 858693c6 | bellard | } |
1049 | 858693c6 | bellard | break;
|
1050 | 831b7825 | ths | #ifdef CONFIG_LINUX_USER
|
1051 | 978efd6a | pbrook | case 'q': |
1052 | 978efd6a | pbrook | if (strncmp(p, "Offsets", 7) == 0) { |
1053 | 978efd6a | pbrook | TaskState *ts = env->opaque; |
1054 | 978efd6a | pbrook | |
1055 | fe834d04 | ths | sprintf(buf, |
1056 | cd041681 | pbrook | "Text=" TARGET_ABI_FMT_lx ";Data=" TARGET_ABI_FMT_lx |
1057 | cd041681 | pbrook | ";Bss=" TARGET_ABI_FMT_lx,
|
1058 | fe834d04 | ths | ts->info->code_offset, |
1059 | fe834d04 | ths | ts->info->data_offset, |
1060 | fe834d04 | ths | ts->info->data_offset); |
1061 | 978efd6a | pbrook | put_packet(s, buf); |
1062 | 978efd6a | pbrook | break;
|
1063 | 978efd6a | pbrook | } |
1064 | 978efd6a | pbrook | /* Fall through. */
|
1065 | 978efd6a | pbrook | #endif
|
1066 | 858693c6 | bellard | default:
|
1067 | 858693c6 | bellard | // unknown_command:
|
1068 | 858693c6 | bellard | /* put empty packet */
|
1069 | 858693c6 | bellard | buf[0] = '\0'; |
1070 | 858693c6 | bellard | put_packet(s, buf); |
1071 | 858693c6 | bellard | break;
|
1072 | 858693c6 | bellard | } |
1073 | 858693c6 | bellard | return RS_IDLE;
|
1074 | 858693c6 | bellard | } |
1075 | 858693c6 | bellard | |
1076 | 612458f5 | bellard | extern void tb_flush(CPUState *env); |
1077 | 612458f5 | bellard | |
1078 | 1fddef4b | bellard | #ifndef CONFIG_USER_ONLY
|
1079 | 858693c6 | bellard | static void gdb_vm_stopped(void *opaque, int reason) |
1080 | 858693c6 | bellard | { |
1081 | 858693c6 | bellard | GDBState *s = opaque; |
1082 | 858693c6 | bellard | char buf[256]; |
1083 | 858693c6 | bellard | int ret;
|
1084 | 858693c6 | bellard | |
1085 | a2d1ebaf | pbrook | if (s->state == RS_SYSCALL)
|
1086 | a2d1ebaf | pbrook | return;
|
1087 | a2d1ebaf | pbrook | |
1088 | 858693c6 | bellard | /* disable single step if it was enable */
|
1089 | 6a00d601 | bellard | cpu_single_step(s->env, 0);
|
1090 | 858693c6 | bellard | |
1091 | e80cfcfc | bellard | if (reason == EXCP_DEBUG) {
|
1092 | 6658ffb8 | pbrook | if (s->env->watchpoint_hit) {
|
1093 | aa6290b7 | pbrook | snprintf(buf, sizeof(buf), "T%02xwatch:" TARGET_FMT_lx ";", |
1094 | aa6290b7 | pbrook | SIGTRAP, |
1095 | 6658ffb8 | pbrook | s->env->watchpoint[s->env->watchpoint_hit - 1].vaddr);
|
1096 | 6658ffb8 | pbrook | put_packet(s, buf); |
1097 | 6658ffb8 | pbrook | s->env->watchpoint_hit = 0;
|
1098 | 6658ffb8 | pbrook | return;
|
1099 | 6658ffb8 | pbrook | } |
1100 | 6a00d601 | bellard | tb_flush(s->env); |
1101 | 858693c6 | bellard | ret = SIGTRAP; |
1102 | bbeb7b5c | bellard | } else if (reason == EXCP_INTERRUPT) { |
1103 | bbeb7b5c | bellard | ret = SIGINT; |
1104 | bbeb7b5c | bellard | } else {
|
1105 | 858693c6 | bellard | ret = 0;
|
1106 | bbeb7b5c | bellard | } |
1107 | 858693c6 | bellard | snprintf(buf, sizeof(buf), "S%02x", ret); |
1108 | 858693c6 | bellard | put_packet(s, buf); |
1109 | 858693c6 | bellard | } |
1110 | 1fddef4b | bellard | #endif
|
1111 | 858693c6 | bellard | |
1112 | a2d1ebaf | pbrook | /* Send a gdb syscall request.
|
1113 | a2d1ebaf | pbrook | This accepts limited printf-style format specifiers, specifically:
|
1114 | a87295e8 | pbrook | %x - target_ulong argument printed in hex.
|
1115 | a87295e8 | pbrook | %lx - 64-bit argument printed in hex.
|
1116 | a87295e8 | pbrook | %s - string pointer (target_ulong) and length (int) pair. */
|
1117 | a2d1ebaf | pbrook | void gdb_do_syscall(gdb_syscall_complete_cb cb, char *fmt, ...) |
1118 | a2d1ebaf | pbrook | { |
1119 | a2d1ebaf | pbrook | va_list va; |
1120 | a2d1ebaf | pbrook | char buf[256]; |
1121 | a2d1ebaf | pbrook | char *p;
|
1122 | a2d1ebaf | pbrook | target_ulong addr; |
1123 | a87295e8 | pbrook | uint64_t i64; |
1124 | a2d1ebaf | pbrook | GDBState *s; |
1125 | a2d1ebaf | pbrook | |
1126 | a2d1ebaf | pbrook | s = gdb_syscall_state; |
1127 | a2d1ebaf | pbrook | if (!s)
|
1128 | a2d1ebaf | pbrook | return;
|
1129 | a2d1ebaf | pbrook | gdb_current_syscall_cb = cb; |
1130 | a2d1ebaf | pbrook | s->state = RS_SYSCALL; |
1131 | a2d1ebaf | pbrook | #ifndef CONFIG_USER_ONLY
|
1132 | a2d1ebaf | pbrook | vm_stop(EXCP_DEBUG); |
1133 | a2d1ebaf | pbrook | #endif
|
1134 | a2d1ebaf | pbrook | s->state = RS_IDLE; |
1135 | a2d1ebaf | pbrook | va_start(va, fmt); |
1136 | a2d1ebaf | pbrook | p = buf; |
1137 | a2d1ebaf | pbrook | *(p++) = 'F';
|
1138 | a2d1ebaf | pbrook | while (*fmt) {
|
1139 | a2d1ebaf | pbrook | if (*fmt == '%') { |
1140 | a2d1ebaf | pbrook | fmt++; |
1141 | a2d1ebaf | pbrook | switch (*fmt++) {
|
1142 | a2d1ebaf | pbrook | case 'x': |
1143 | a2d1ebaf | pbrook | addr = va_arg(va, target_ulong); |
1144 | a2d1ebaf | pbrook | p += sprintf(p, TARGET_FMT_lx, addr); |
1145 | a2d1ebaf | pbrook | break;
|
1146 | a87295e8 | pbrook | case 'l': |
1147 | a87295e8 | pbrook | if (*(fmt++) != 'x') |
1148 | a87295e8 | pbrook | goto bad_format;
|
1149 | a87295e8 | pbrook | i64 = va_arg(va, uint64_t); |
1150 | a87295e8 | pbrook | p += sprintf(p, "%" PRIx64, i64);
|
1151 | a87295e8 | pbrook | break;
|
1152 | a2d1ebaf | pbrook | case 's': |
1153 | a2d1ebaf | pbrook | addr = va_arg(va, target_ulong); |
1154 | a2d1ebaf | pbrook | p += sprintf(p, TARGET_FMT_lx "/%x", addr, va_arg(va, int)); |
1155 | a2d1ebaf | pbrook | break;
|
1156 | a2d1ebaf | pbrook | default:
|
1157 | a87295e8 | pbrook | bad_format:
|
1158 | a2d1ebaf | pbrook | fprintf(stderr, "gdbstub: Bad syscall format string '%s'\n",
|
1159 | a2d1ebaf | pbrook | fmt - 1);
|
1160 | a2d1ebaf | pbrook | break;
|
1161 | a2d1ebaf | pbrook | } |
1162 | a2d1ebaf | pbrook | } else {
|
1163 | a2d1ebaf | pbrook | *(p++) = *(fmt++); |
1164 | a2d1ebaf | pbrook | } |
1165 | a2d1ebaf | pbrook | } |
1166 | 8a93e02a | pbrook | *p = 0;
|
1167 | a2d1ebaf | pbrook | va_end(va); |
1168 | a2d1ebaf | pbrook | put_packet(s, buf); |
1169 | a2d1ebaf | pbrook | #ifdef CONFIG_USER_ONLY
|
1170 | a2d1ebaf | pbrook | gdb_handlesig(s->env, 0);
|
1171 | a2d1ebaf | pbrook | #else
|
1172 | a2d1ebaf | pbrook | cpu_interrupt(s->env, CPU_INTERRUPT_EXIT); |
1173 | a2d1ebaf | pbrook | #endif
|
1174 | a2d1ebaf | pbrook | } |
1175 | a2d1ebaf | pbrook | |
1176 | 6a00d601 | bellard | static void gdb_read_byte(GDBState *s, int ch) |
1177 | 858693c6 | bellard | { |
1178 | 6a00d601 | bellard | CPUState *env = s->env; |
1179 | 858693c6 | bellard | int i, csum;
|
1180 | 60fe76f3 | ths | uint8_t reply; |
1181 | 858693c6 | bellard | |
1182 | 1fddef4b | bellard | #ifndef CONFIG_USER_ONLY
|
1183 | 4046d913 | pbrook | if (s->last_packet_len) {
|
1184 | 4046d913 | pbrook | /* Waiting for a response to the last packet. If we see the start
|
1185 | 4046d913 | pbrook | of a new command then abandon the previous response. */
|
1186 | 4046d913 | pbrook | if (ch == '-') { |
1187 | 4046d913 | pbrook | #ifdef DEBUG_GDB
|
1188 | 4046d913 | pbrook | printf("Got NACK, retransmitting\n");
|
1189 | 4046d913 | pbrook | #endif
|
1190 | ffe8ab83 | ths | put_buffer(s, (uint8_t *)s->last_packet, s->last_packet_len); |
1191 | 4046d913 | pbrook | } |
1192 | 4046d913 | pbrook | #ifdef DEBUG_GDB
|
1193 | 4046d913 | pbrook | else if (ch == '+') |
1194 | 4046d913 | pbrook | printf("Got ACK\n");
|
1195 | 4046d913 | pbrook | else
|
1196 | 4046d913 | pbrook | printf("Got '%c' when expecting ACK/NACK\n", ch);
|
1197 | 4046d913 | pbrook | #endif
|
1198 | 4046d913 | pbrook | if (ch == '+' || ch == '$') |
1199 | 4046d913 | pbrook | s->last_packet_len = 0;
|
1200 | 4046d913 | pbrook | if (ch != '$') |
1201 | 4046d913 | pbrook | return;
|
1202 | 4046d913 | pbrook | } |
1203 | 858693c6 | bellard | if (vm_running) {
|
1204 | 858693c6 | bellard | /* when the CPU is running, we cannot do anything except stop
|
1205 | 858693c6 | bellard | it when receiving a char */
|
1206 | 858693c6 | bellard | vm_stop(EXCP_INTERRUPT); |
1207 | 5fafdf24 | ths | } else
|
1208 | 1fddef4b | bellard | #endif
|
1209 | 41625033 | bellard | { |
1210 | 858693c6 | bellard | switch(s->state) {
|
1211 | 858693c6 | bellard | case RS_IDLE:
|
1212 | 858693c6 | bellard | if (ch == '$') { |
1213 | 858693c6 | bellard | s->line_buf_index = 0;
|
1214 | 858693c6 | bellard | s->state = RS_GETLINE; |
1215 | c33a346e | bellard | } |
1216 | b4608c04 | bellard | break;
|
1217 | 858693c6 | bellard | case RS_GETLINE:
|
1218 | 858693c6 | bellard | if (ch == '#') { |
1219 | 858693c6 | bellard | s->state = RS_CHKSUM1; |
1220 | 858693c6 | bellard | } else if (s->line_buf_index >= sizeof(s->line_buf) - 1) { |
1221 | 858693c6 | bellard | s->state = RS_IDLE; |
1222 | 4c3a88a2 | bellard | } else {
|
1223 | 858693c6 | bellard | s->line_buf[s->line_buf_index++] = ch; |
1224 | 4c3a88a2 | bellard | } |
1225 | 4c3a88a2 | bellard | break;
|
1226 | 858693c6 | bellard | case RS_CHKSUM1:
|
1227 | 858693c6 | bellard | s->line_buf[s->line_buf_index] = '\0';
|
1228 | 858693c6 | bellard | s->line_csum = fromhex(ch) << 4;
|
1229 | 858693c6 | bellard | s->state = RS_CHKSUM2; |
1230 | 858693c6 | bellard | break;
|
1231 | 858693c6 | bellard | case RS_CHKSUM2:
|
1232 | 858693c6 | bellard | s->line_csum |= fromhex(ch); |
1233 | 858693c6 | bellard | csum = 0;
|
1234 | 858693c6 | bellard | for(i = 0; i < s->line_buf_index; i++) { |
1235 | 858693c6 | bellard | csum += s->line_buf[i]; |
1236 | 858693c6 | bellard | } |
1237 | 858693c6 | bellard | if (s->line_csum != (csum & 0xff)) { |
1238 | 60fe76f3 | ths | reply = '-';
|
1239 | 60fe76f3 | ths | put_buffer(s, &reply, 1);
|
1240 | 858693c6 | bellard | s->state = RS_IDLE; |
1241 | 4c3a88a2 | bellard | } else {
|
1242 | 60fe76f3 | ths | reply = '+';
|
1243 | 60fe76f3 | ths | put_buffer(s, &reply, 1);
|
1244 | 1fddef4b | bellard | s->state = gdb_handle_packet(s, env, s->line_buf); |
1245 | 4c3a88a2 | bellard | } |
1246 | 4c3a88a2 | bellard | break;
|
1247 | a2d1ebaf | pbrook | default:
|
1248 | a2d1ebaf | pbrook | abort(); |
1249 | 858693c6 | bellard | } |
1250 | 858693c6 | bellard | } |
1251 | 858693c6 | bellard | } |
1252 | 858693c6 | bellard | |
1253 | 1fddef4b | bellard | #ifdef CONFIG_USER_ONLY
|
1254 | 1fddef4b | bellard | int
|
1255 | 1fddef4b | bellard | gdb_handlesig (CPUState *env, int sig)
|
1256 | 1fddef4b | bellard | { |
1257 | 1fddef4b | bellard | GDBState *s; |
1258 | 1fddef4b | bellard | char buf[256]; |
1259 | 1fddef4b | bellard | int n;
|
1260 | 1fddef4b | bellard | |
1261 | 1fddef4b | bellard | if (gdbserver_fd < 0) |
1262 | 1fddef4b | bellard | return sig;
|
1263 | 1fddef4b | bellard | |
1264 | 1fddef4b | bellard | s = &gdbserver_state; |
1265 | 1fddef4b | bellard | |
1266 | 1fddef4b | bellard | /* disable single step if it was enabled */
|
1267 | 1fddef4b | bellard | cpu_single_step(env, 0);
|
1268 | 1fddef4b | bellard | tb_flush(env); |
1269 | 1fddef4b | bellard | |
1270 | 1fddef4b | bellard | if (sig != 0) |
1271 | 1fddef4b | bellard | { |
1272 | 1fddef4b | bellard | snprintf(buf, sizeof(buf), "S%02x", sig); |
1273 | 1fddef4b | bellard | put_packet(s, buf); |
1274 | 1fddef4b | bellard | } |
1275 | 1fddef4b | bellard | |
1276 | 1fddef4b | bellard | sig = 0;
|
1277 | 1fddef4b | bellard | s->state = RS_IDLE; |
1278 | 41625033 | bellard | s->running_state = 0;
|
1279 | 41625033 | bellard | while (s->running_state == 0) { |
1280 | 1fddef4b | bellard | n = read (s->fd, buf, 256);
|
1281 | 1fddef4b | bellard | if (n > 0) |
1282 | 1fddef4b | bellard | { |
1283 | 1fddef4b | bellard | int i;
|
1284 | 1fddef4b | bellard | |
1285 | 1fddef4b | bellard | for (i = 0; i < n; i++) |
1286 | 6a00d601 | bellard | gdb_read_byte (s, buf[i]); |
1287 | 1fddef4b | bellard | } |
1288 | 1fddef4b | bellard | else if (n == 0 || errno != EAGAIN) |
1289 | 1fddef4b | bellard | { |
1290 | 1fddef4b | bellard | /* XXX: Connection closed. Should probably wait for annother
|
1291 | 1fddef4b | bellard | connection before continuing. */
|
1292 | 1fddef4b | bellard | return sig;
|
1293 | 1fddef4b | bellard | } |
1294 | 41625033 | bellard | } |
1295 | 1fddef4b | bellard | return sig;
|
1296 | 1fddef4b | bellard | } |
1297 | e9009676 | bellard | |
1298 | e9009676 | bellard | /* Tell the remote gdb that the process has exited. */
|
1299 | e9009676 | bellard | void gdb_exit(CPUState *env, int code) |
1300 | e9009676 | bellard | { |
1301 | e9009676 | bellard | GDBState *s; |
1302 | e9009676 | bellard | char buf[4]; |
1303 | e9009676 | bellard | |
1304 | e9009676 | bellard | if (gdbserver_fd < 0) |
1305 | e9009676 | bellard | return;
|
1306 | e9009676 | bellard | |
1307 | e9009676 | bellard | s = &gdbserver_state; |
1308 | e9009676 | bellard | |
1309 | e9009676 | bellard | snprintf(buf, sizeof(buf), "W%02x", code); |
1310 | e9009676 | bellard | put_packet(s, buf); |
1311 | e9009676 | bellard | } |
1312 | e9009676 | bellard | |
1313 | 1fddef4b | bellard | |
1314 | 7c9d8e07 | bellard | static void gdb_accept(void *opaque) |
1315 | 858693c6 | bellard | { |
1316 | 858693c6 | bellard | GDBState *s; |
1317 | 858693c6 | bellard | struct sockaddr_in sockaddr;
|
1318 | 858693c6 | bellard | socklen_t len; |
1319 | 858693c6 | bellard | int val, fd;
|
1320 | 858693c6 | bellard | |
1321 | 858693c6 | bellard | for(;;) {
|
1322 | 858693c6 | bellard | len = sizeof(sockaddr);
|
1323 | 858693c6 | bellard | fd = accept(gdbserver_fd, (struct sockaddr *)&sockaddr, &len);
|
1324 | 858693c6 | bellard | if (fd < 0 && errno != EINTR) { |
1325 | 858693c6 | bellard | perror("accept");
|
1326 | 858693c6 | bellard | return;
|
1327 | 858693c6 | bellard | } else if (fd >= 0) { |
1328 | b4608c04 | bellard | break;
|
1329 | b4608c04 | bellard | } |
1330 | b4608c04 | bellard | } |
1331 | 858693c6 | bellard | |
1332 | 858693c6 | bellard | /* set short latency */
|
1333 | 858693c6 | bellard | val = 1;
|
1334 | 8f447cc7 | bellard | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
1335 | 3b46e624 | ths | |
1336 | 1fddef4b | bellard | s = &gdbserver_state; |
1337 | 1fddef4b | bellard | memset (s, 0, sizeof (GDBState)); |
1338 | 6a00d601 | bellard | s->env = first_cpu; /* XXX: allow to change CPU */
|
1339 | 858693c6 | bellard | s->fd = fd; |
1340 | 858693c6 | bellard | |
1341 | a2d1ebaf | pbrook | gdb_syscall_state = s; |
1342 | a2d1ebaf | pbrook | |
1343 | 858693c6 | bellard | fcntl(fd, F_SETFL, O_NONBLOCK); |
1344 | 858693c6 | bellard | } |
1345 | 858693c6 | bellard | |
1346 | 858693c6 | bellard | static int gdbserver_open(int port) |
1347 | 858693c6 | bellard | { |
1348 | 858693c6 | bellard | struct sockaddr_in sockaddr;
|
1349 | 858693c6 | bellard | int fd, val, ret;
|
1350 | 858693c6 | bellard | |
1351 | 858693c6 | bellard | fd = socket(PF_INET, SOCK_STREAM, 0);
|
1352 | 858693c6 | bellard | if (fd < 0) { |
1353 | 858693c6 | bellard | perror("socket");
|
1354 | 858693c6 | bellard | return -1; |
1355 | 858693c6 | bellard | } |
1356 | 858693c6 | bellard | |
1357 | 858693c6 | bellard | /* allow fast reuse */
|
1358 | 858693c6 | bellard | val = 1;
|
1359 | 8f447cc7 | bellard | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val)); |
1360 | 858693c6 | bellard | |
1361 | 858693c6 | bellard | sockaddr.sin_family = AF_INET; |
1362 | 858693c6 | bellard | sockaddr.sin_port = htons(port); |
1363 | 858693c6 | bellard | sockaddr.sin_addr.s_addr = 0;
|
1364 | 858693c6 | bellard | ret = bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr)); |
1365 | 858693c6 | bellard | if (ret < 0) { |
1366 | 858693c6 | bellard | perror("bind");
|
1367 | 858693c6 | bellard | return -1; |
1368 | 858693c6 | bellard | } |
1369 | 858693c6 | bellard | ret = listen(fd, 0);
|
1370 | 858693c6 | bellard | if (ret < 0) { |
1371 | 858693c6 | bellard | perror("listen");
|
1372 | 858693c6 | bellard | return -1; |
1373 | 858693c6 | bellard | } |
1374 | 858693c6 | bellard | return fd;
|
1375 | 858693c6 | bellard | } |
1376 | 858693c6 | bellard | |
1377 | 858693c6 | bellard | int gdbserver_start(int port) |
1378 | 858693c6 | bellard | { |
1379 | 858693c6 | bellard | gdbserver_fd = gdbserver_open(port); |
1380 | 858693c6 | bellard | if (gdbserver_fd < 0) |
1381 | 858693c6 | bellard | return -1; |
1382 | 858693c6 | bellard | /* accept connections */
|
1383 | 7c9d8e07 | bellard | gdb_accept (NULL);
|
1384 | 4046d913 | pbrook | return 0; |
1385 | 4046d913 | pbrook | } |
1386 | 1fddef4b | bellard | #else
|
1387 | aa1f17c1 | ths | static int gdb_chr_can_receive(void *opaque) |
1388 | 4046d913 | pbrook | { |
1389 | 4046d913 | pbrook | return 1; |
1390 | 4046d913 | pbrook | } |
1391 | 4046d913 | pbrook | |
1392 | aa1f17c1 | ths | static void gdb_chr_receive(void *opaque, const uint8_t *buf, int size) |
1393 | 4046d913 | pbrook | { |
1394 | 4046d913 | pbrook | GDBState *s = opaque; |
1395 | 4046d913 | pbrook | int i;
|
1396 | 4046d913 | pbrook | |
1397 | 4046d913 | pbrook | for (i = 0; i < size; i++) { |
1398 | 4046d913 | pbrook | gdb_read_byte(s, buf[i]); |
1399 | 4046d913 | pbrook | } |
1400 | 4046d913 | pbrook | } |
1401 | 4046d913 | pbrook | |
1402 | 4046d913 | pbrook | static void gdb_chr_event(void *opaque, int event) |
1403 | 4046d913 | pbrook | { |
1404 | 4046d913 | pbrook | switch (event) {
|
1405 | 4046d913 | pbrook | case CHR_EVENT_RESET:
|
1406 | 4046d913 | pbrook | vm_stop(EXCP_INTERRUPT); |
1407 | a2d1ebaf | pbrook | gdb_syscall_state = opaque; |
1408 | 4046d913 | pbrook | break;
|
1409 | 4046d913 | pbrook | default:
|
1410 | 4046d913 | pbrook | break;
|
1411 | 4046d913 | pbrook | } |
1412 | 4046d913 | pbrook | } |
1413 | 4046d913 | pbrook | |
1414 | cfc3475a | pbrook | int gdbserver_start(const char *port) |
1415 | 4046d913 | pbrook | { |
1416 | 4046d913 | pbrook | GDBState *s; |
1417 | cfc3475a | pbrook | char gdbstub_port_name[128]; |
1418 | cfc3475a | pbrook | int port_num;
|
1419 | cfc3475a | pbrook | char *p;
|
1420 | cfc3475a | pbrook | CharDriverState *chr; |
1421 | cfc3475a | pbrook | |
1422 | cfc3475a | pbrook | if (!port || !*port)
|
1423 | cfc3475a | pbrook | return -1; |
1424 | 4046d913 | pbrook | |
1425 | cfc3475a | pbrook | port_num = strtol(port, &p, 10);
|
1426 | cfc3475a | pbrook | if (*p == 0) { |
1427 | cfc3475a | pbrook | /* A numeric value is interpreted as a port number. */
|
1428 | cfc3475a | pbrook | snprintf(gdbstub_port_name, sizeof(gdbstub_port_name),
|
1429 | cfc3475a | pbrook | "tcp::%d,nowait,nodelay,server", port_num);
|
1430 | cfc3475a | pbrook | port = gdbstub_port_name; |
1431 | cfc3475a | pbrook | } |
1432 | cfc3475a | pbrook | |
1433 | cfc3475a | pbrook | chr = qemu_chr_open(port); |
1434 | 4046d913 | pbrook | if (!chr)
|
1435 | 4046d913 | pbrook | return -1; |
1436 | 4046d913 | pbrook | |
1437 | 4046d913 | pbrook | s = qemu_mallocz(sizeof(GDBState));
|
1438 | 4046d913 | pbrook | if (!s) {
|
1439 | 4046d913 | pbrook | return -1; |
1440 | 4046d913 | pbrook | } |
1441 | 4046d913 | pbrook | s->env = first_cpu; /* XXX: allow to change CPU */
|
1442 | 4046d913 | pbrook | s->chr = chr; |
1443 | aa1f17c1 | ths | qemu_chr_add_handlers(chr, gdb_chr_can_receive, gdb_chr_receive, |
1444 | 4046d913 | pbrook | gdb_chr_event, s); |
1445 | 4046d913 | pbrook | qemu_add_vm_stop_handler(gdb_vm_stopped, s); |
1446 | b4608c04 | bellard | return 0; |
1447 | b4608c04 | bellard | } |
1448 | 4046d913 | pbrook | #endif |