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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 | 4046d913 | pbrook | char last_packet[4100]; |
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 | 858693c6 | bellard | static void put_buffer(GDBState *s, const uint8_t *buf, int len) |
125 | b4608c04 | bellard | { |
126 | 4046d913 | pbrook | #ifdef CONFIG_USER_ONLY
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127 | b4608c04 | bellard | int ret;
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128 | b4608c04 | bellard | |
129 | b4608c04 | bellard | while (len > 0) { |
130 | 8f447cc7 | bellard | ret = send(s->fd, buf, len, 0);
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131 | b4608c04 | bellard | if (ret < 0) { |
132 | b4608c04 | bellard | if (errno != EINTR && errno != EAGAIN)
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133 | b4608c04 | bellard | return;
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134 | b4608c04 | bellard | } else {
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135 | b4608c04 | bellard | buf += ret; |
136 | b4608c04 | bellard | len -= ret; |
137 | b4608c04 | bellard | } |
138 | b4608c04 | bellard | } |
139 | 4046d913 | pbrook | #else
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140 | 4046d913 | pbrook | qemu_chr_write(s->chr, buf, len); |
141 | 4046d913 | pbrook | #endif
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142 | b4608c04 | bellard | } |
143 | b4608c04 | bellard | |
144 | b4608c04 | bellard | static inline int fromhex(int v) |
145 | b4608c04 | bellard | { |
146 | b4608c04 | bellard | if (v >= '0' && v <= '9') |
147 | b4608c04 | bellard | return v - '0'; |
148 | b4608c04 | bellard | else if (v >= 'A' && v <= 'F') |
149 | b4608c04 | bellard | return v - 'A' + 10; |
150 | b4608c04 | bellard | else if (v >= 'a' && v <= 'f') |
151 | b4608c04 | bellard | return v - 'a' + 10; |
152 | b4608c04 | bellard | else
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153 | b4608c04 | bellard | return 0; |
154 | b4608c04 | bellard | } |
155 | b4608c04 | bellard | |
156 | b4608c04 | bellard | static inline int tohex(int v) |
157 | b4608c04 | bellard | { |
158 | b4608c04 | bellard | if (v < 10) |
159 | b4608c04 | bellard | return v + '0'; |
160 | b4608c04 | bellard | else
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161 | b4608c04 | bellard | return v - 10 + 'a'; |
162 | b4608c04 | bellard | } |
163 | b4608c04 | bellard | |
164 | b4608c04 | bellard | static void memtohex(char *buf, const uint8_t *mem, int len) |
165 | b4608c04 | bellard | { |
166 | b4608c04 | bellard | int i, c;
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167 | b4608c04 | bellard | char *q;
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168 | b4608c04 | bellard | q = buf; |
169 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
170 | b4608c04 | bellard | c = mem[i]; |
171 | b4608c04 | bellard | *q++ = tohex(c >> 4);
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172 | b4608c04 | bellard | *q++ = tohex(c & 0xf);
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173 | b4608c04 | bellard | } |
174 | b4608c04 | bellard | *q = '\0';
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175 | b4608c04 | bellard | } |
176 | b4608c04 | bellard | |
177 | b4608c04 | bellard | static void hextomem(uint8_t *mem, const char *buf, int len) |
178 | b4608c04 | bellard | { |
179 | b4608c04 | bellard | int i;
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180 | b4608c04 | bellard | |
181 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
182 | b4608c04 | bellard | mem[i] = (fromhex(buf[0]) << 4) | fromhex(buf[1]); |
183 | b4608c04 | bellard | buf += 2;
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184 | b4608c04 | bellard | } |
185 | b4608c04 | bellard | } |
186 | b4608c04 | bellard | |
187 | b4608c04 | bellard | /* return -1 if error, 0 if OK */
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188 | 858693c6 | bellard | static int put_packet(GDBState *s, char *buf) |
189 | b4608c04 | bellard | { |
190 | 4046d913 | pbrook | int len, csum, i;
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191 | 4046d913 | pbrook | char *p;
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192 | b4608c04 | bellard | |
193 | b4608c04 | bellard | #ifdef DEBUG_GDB
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194 | b4608c04 | bellard | printf("reply='%s'\n", buf);
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195 | b4608c04 | bellard | #endif
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196 | b4608c04 | bellard | |
197 | b4608c04 | bellard | for(;;) {
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198 | 4046d913 | pbrook | p = s->last_packet; |
199 | 4046d913 | pbrook | *(p++) = '$';
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200 | b4608c04 | bellard | len = strlen(buf); |
201 | 4046d913 | pbrook | memcpy(p, buf, len); |
202 | 4046d913 | pbrook | p += len; |
203 | b4608c04 | bellard | csum = 0;
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204 | b4608c04 | bellard | for(i = 0; i < len; i++) { |
205 | b4608c04 | bellard | csum += buf[i]; |
206 | b4608c04 | bellard | } |
207 | 4046d913 | pbrook | *(p++) = '#';
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208 | 4046d913 | pbrook | *(p++) = tohex((csum >> 4) & 0xf); |
209 | 4046d913 | pbrook | *(p++) = tohex((csum) & 0xf);
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210 | b4608c04 | bellard | |
211 | 4046d913 | pbrook | s->last_packet_len = p - s->last_packet; |
212 | 4046d913 | pbrook | put_buffer(s, s->last_packet, s->last_packet_len); |
213 | b4608c04 | bellard | |
214 | 4046d913 | pbrook | #ifdef CONFIG_USER_ONLY
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215 | 4046d913 | pbrook | i = get_char(s); |
216 | 4046d913 | pbrook | if (i < 0) |
217 | b4608c04 | bellard | return -1; |
218 | 4046d913 | pbrook | if (i == '+') |
219 | b4608c04 | bellard | break;
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220 | 4046d913 | pbrook | #else
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221 | 4046d913 | pbrook | break;
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222 | 4046d913 | pbrook | #endif
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223 | b4608c04 | bellard | } |
224 | b4608c04 | bellard | return 0; |
225 | b4608c04 | bellard | } |
226 | b4608c04 | bellard | |
227 | 6da41eaf | bellard | #if defined(TARGET_I386)
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228 | 6da41eaf | bellard | |
229 | 6da41eaf | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
230 | 6da41eaf | bellard | { |
231 | 6da41eaf | bellard | int i, fpus;
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232 | 5ad265ee | balrog | uint32_t *registers = (uint32_t *)mem_buf; |
233 | 5ad265ee | balrog | |
234 | 5ad265ee | balrog | #ifdef TARGET_X86_64
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235 | 5ad265ee | balrog | /* This corresponds with amd64_register_info[] in gdb/amd64-tdep.c */
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236 | 5ad265ee | balrog | uint64_t *registers64 = (uint64_t *)mem_buf; |
237 | 5ad265ee | balrog | |
238 | 5ad265ee | balrog | if (env->hflags & HF_CS64_MASK) {
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239 | 5ad265ee | balrog | registers64[0] = tswap64(env->regs[R_EAX]);
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240 | 5ad265ee | balrog | registers64[1] = tswap64(env->regs[R_EBX]);
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241 | 5ad265ee | balrog | registers64[2] = tswap64(env->regs[R_ECX]);
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242 | 5ad265ee | balrog | registers64[3] = tswap64(env->regs[R_EDX]);
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243 | 5ad265ee | balrog | registers64[4] = tswap64(env->regs[R_ESI]);
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244 | 5ad265ee | balrog | registers64[5] = tswap64(env->regs[R_EDI]);
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245 | 5ad265ee | balrog | registers64[6] = tswap64(env->regs[R_EBP]);
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246 | 5ad265ee | balrog | registers64[7] = tswap64(env->regs[R_ESP]);
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247 | 5ad265ee | balrog | for(i = 8; i < 16; i++) { |
248 | 5ad265ee | balrog | registers64[i] = tswap64(env->regs[i]); |
249 | 5ad265ee | balrog | } |
250 | 5ad265ee | balrog | registers64[16] = tswap64(env->eip);
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251 | 5ad265ee | balrog | |
252 | 5ad265ee | balrog | registers = (uint32_t *)®isters64[17];
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253 | 5ad265ee | balrog | registers[0] = tswap32(env->eflags);
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254 | 5ad265ee | balrog | registers[1] = tswap32(env->segs[R_CS].selector);
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255 | 5ad265ee | balrog | registers[2] = tswap32(env->segs[R_SS].selector);
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256 | 5ad265ee | balrog | registers[3] = tswap32(env->segs[R_DS].selector);
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257 | 5ad265ee | balrog | registers[4] = tswap32(env->segs[R_ES].selector);
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258 | 5ad265ee | balrog | registers[5] = tswap32(env->segs[R_FS].selector);
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259 | 5ad265ee | balrog | registers[6] = tswap32(env->segs[R_GS].selector);
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260 | 5ad265ee | balrog | /* XXX: convert floats */
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261 | 5ad265ee | balrog | for(i = 0; i < 8; i++) { |
262 | 5ad265ee | balrog | memcpy(mem_buf + 16 * 8 + 7 * 4 + i * 10, &env->fpregs[i], 10); |
263 | 5ad265ee | balrog | } |
264 | 5ad265ee | balrog | registers[27] = tswap32(env->fpuc); /* fctrl */ |
265 | 5ad265ee | balrog | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
266 | 5ad265ee | balrog | registers[28] = tswap32(fpus); /* fstat */ |
267 | 5ad265ee | balrog | registers[29] = 0; /* ftag */ |
268 | 5ad265ee | balrog | registers[30] = 0; /* fiseg */ |
269 | 5ad265ee | balrog | registers[31] = 0; /* fioff */ |
270 | 5ad265ee | balrog | registers[32] = 0; /* foseg */ |
271 | 5ad265ee | balrog | registers[33] = 0; /* fooff */ |
272 | 5ad265ee | balrog | registers[34] = 0; /* fop */ |
273 | 5ad265ee | balrog | for(i = 0; i < 16; i++) { |
274 | 5ad265ee | balrog | memcpy(mem_buf + 16 * 8 + 35 * 4 + i * 16, &env->xmm_regs[i], 16); |
275 | 5ad265ee | balrog | } |
276 | 5ad265ee | balrog | registers[99] = tswap32(env->mxcsr);
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277 | 5ad265ee | balrog | |
278 | 5ad265ee | balrog | return 8 * 17 + 4 * 7 + 10 * 8 + 4 * 8 + 16 * 16 + 4; |
279 | 5ad265ee | balrog | } |
280 | 5ad265ee | balrog | #endif
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281 | 6da41eaf | bellard | |
282 | 6da41eaf | bellard | for(i = 0; i < 8; i++) { |
283 | e95c8d51 | bellard | registers[i] = env->regs[i]; |
284 | 6da41eaf | bellard | } |
285 | e95c8d51 | bellard | registers[8] = env->eip;
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286 | e95c8d51 | bellard | registers[9] = env->eflags;
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287 | e95c8d51 | bellard | registers[10] = env->segs[R_CS].selector;
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288 | e95c8d51 | bellard | registers[11] = env->segs[R_SS].selector;
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289 | e95c8d51 | bellard | registers[12] = env->segs[R_DS].selector;
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290 | e95c8d51 | bellard | registers[13] = env->segs[R_ES].selector;
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291 | e95c8d51 | bellard | registers[14] = env->segs[R_FS].selector;
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292 | e95c8d51 | bellard | registers[15] = env->segs[R_GS].selector;
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293 | 6da41eaf | bellard | /* XXX: convert floats */
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294 | 6da41eaf | bellard | for(i = 0; i < 8; i++) { |
295 | 6da41eaf | bellard | memcpy(mem_buf + 16 * 4 + i * 10, &env->fpregs[i], 10); |
296 | 6da41eaf | bellard | } |
297 | e95c8d51 | bellard | registers[36] = env->fpuc;
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298 | 6da41eaf | bellard | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
299 | e95c8d51 | bellard | registers[37] = fpus;
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300 | e95c8d51 | bellard | registers[38] = 0; /* XXX: convert tags */ |
301 | e95c8d51 | bellard | registers[39] = 0; /* fiseg */ |
302 | e95c8d51 | bellard | registers[40] = 0; /* fioff */ |
303 | e95c8d51 | bellard | registers[41] = 0; /* foseg */ |
304 | e95c8d51 | bellard | registers[42] = 0; /* fooff */ |
305 | e95c8d51 | bellard | registers[43] = 0; /* fop */ |
306 | 3b46e624 | ths | |
307 | e95c8d51 | bellard | for(i = 0; i < 16; i++) |
308 | e95c8d51 | bellard | tswapls(®isters[i]); |
309 | e95c8d51 | bellard | for(i = 36; i < 44; i++) |
310 | e95c8d51 | bellard | tswapls(®isters[i]); |
311 | 6da41eaf | bellard | return 44 * 4; |
312 | 6da41eaf | bellard | } |
313 | 6da41eaf | bellard | |
314 | 6da41eaf | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
315 | 6da41eaf | bellard | { |
316 | 6da41eaf | bellard | uint32_t *registers = (uint32_t *)mem_buf; |
317 | 6da41eaf | bellard | int i;
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318 | 6da41eaf | bellard | |
319 | 6da41eaf | bellard | for(i = 0; i < 8; i++) { |
320 | 6da41eaf | bellard | env->regs[i] = tswapl(registers[i]); |
321 | 6da41eaf | bellard | } |
322 | e95c8d51 | bellard | env->eip = tswapl(registers[8]);
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323 | e95c8d51 | bellard | env->eflags = tswapl(registers[9]);
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324 | 6da41eaf | bellard | #if defined(CONFIG_USER_ONLY)
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325 | 6da41eaf | bellard | #define LOAD_SEG(index, sreg)\
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326 | 6da41eaf | bellard | if (tswapl(registers[index]) != env->segs[sreg].selector)\
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327 | 6da41eaf | bellard | cpu_x86_load_seg(env, sreg, tswapl(registers[index])); |
328 | 6da41eaf | bellard | LOAD_SEG(10, R_CS);
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329 | 6da41eaf | bellard | LOAD_SEG(11, R_SS);
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330 | 6da41eaf | bellard | LOAD_SEG(12, R_DS);
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331 | 6da41eaf | bellard | LOAD_SEG(13, R_ES);
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332 | 6da41eaf | bellard | LOAD_SEG(14, R_FS);
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333 | 6da41eaf | bellard | LOAD_SEG(15, R_GS);
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334 | 6da41eaf | bellard | #endif
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335 | 6da41eaf | bellard | } |
336 | 6da41eaf | bellard | |
337 | 9e62fd7f | bellard | #elif defined (TARGET_PPC)
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338 | 9e62fd7f | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
339 | 9e62fd7f | bellard | { |
340 | a541f297 | bellard | uint32_t *registers = (uint32_t *)mem_buf, tmp; |
341 | 9e62fd7f | bellard | int i;
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342 | 9e62fd7f | bellard | |
343 | 9e62fd7f | bellard | /* fill in gprs */
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344 | a541f297 | bellard | for(i = 0; i < 32; i++) { |
345 | e95c8d51 | bellard | registers[i] = tswapl(env->gpr[i]); |
346 | 9e62fd7f | bellard | } |
347 | 9e62fd7f | bellard | /* fill in fprs */
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348 | 9e62fd7f | bellard | for (i = 0; i < 32; i++) { |
349 | e95c8d51 | bellard | registers[(i * 2) + 32] = tswapl(*((uint32_t *)&env->fpr[i])); |
350 | e95c8d51 | bellard | registers[(i * 2) + 33] = tswapl(*((uint32_t *)&env->fpr[i] + 1)); |
351 | 9e62fd7f | bellard | } |
352 | 9e62fd7f | bellard | /* nip, msr, ccr, lnk, ctr, xer, mq */
|
353 | e95c8d51 | bellard | registers[96] = tswapl(env->nip);
|
354 | 0411a972 | j_mayer | registers[97] = tswapl(env->msr);
|
355 | 9e62fd7f | bellard | tmp = 0;
|
356 | 9e62fd7f | bellard | for (i = 0; i < 8; i++) |
357 | a541f297 | bellard | tmp |= env->crf[i] << (32 - ((i + 1) * 4)); |
358 | e95c8d51 | bellard | registers[98] = tswapl(tmp);
|
359 | e95c8d51 | bellard | registers[99] = tswapl(env->lr);
|
360 | e95c8d51 | bellard | registers[100] = tswapl(env->ctr);
|
361 | 76a66253 | j_mayer | registers[101] = tswapl(ppc_load_xer(env));
|
362 | e95c8d51 | bellard | registers[102] = 0; |
363 | a541f297 | bellard | |
364 | a541f297 | bellard | return 103 * 4; |
365 | 9e62fd7f | bellard | } |
366 | 9e62fd7f | bellard | |
367 | 9e62fd7f | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
368 | 9e62fd7f | bellard | { |
369 | 9e62fd7f | bellard | uint32_t *registers = (uint32_t *)mem_buf; |
370 | 9e62fd7f | bellard | int i;
|
371 | 9e62fd7f | bellard | |
372 | 9e62fd7f | bellard | /* fill in gprs */
|
373 | 9e62fd7f | bellard | for (i = 0; i < 32; i++) { |
374 | e95c8d51 | bellard | env->gpr[i] = tswapl(registers[i]); |
375 | 9e62fd7f | bellard | } |
376 | 9e62fd7f | bellard | /* fill in fprs */
|
377 | 9e62fd7f | bellard | for (i = 0; i < 32; i++) { |
378 | e95c8d51 | bellard | *((uint32_t *)&env->fpr[i]) = tswapl(registers[(i * 2) + 32]); |
379 | e95c8d51 | bellard | *((uint32_t *)&env->fpr[i] + 1) = tswapl(registers[(i * 2) + 33]); |
380 | 9e62fd7f | bellard | } |
381 | 9e62fd7f | bellard | /* nip, msr, ccr, lnk, ctr, xer, mq */
|
382 | e95c8d51 | bellard | env->nip = tswapl(registers[96]);
|
383 | 0411a972 | j_mayer | ppc_store_msr(env, tswapl(registers[97]));
|
384 | e95c8d51 | bellard | registers[98] = tswapl(registers[98]); |
385 | 9e62fd7f | bellard | for (i = 0; i < 8; i++) |
386 | a541f297 | bellard | env->crf[i] = (registers[98] >> (32 - ((i + 1) * 4))) & 0xF; |
387 | e95c8d51 | bellard | env->lr = tswapl(registers[99]);
|
388 | e95c8d51 | bellard | env->ctr = tswapl(registers[100]);
|
389 | 76a66253 | j_mayer | ppc_store_xer(env, tswapl(registers[101]));
|
390 | e95c8d51 | bellard | } |
391 | e95c8d51 | bellard | #elif defined (TARGET_SPARC)
|
392 | e95c8d51 | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
393 | e95c8d51 | bellard | { |
394 | 3475187d | bellard | target_ulong *registers = (target_ulong *)mem_buf; |
395 | e95c8d51 | bellard | int i;
|
396 | e95c8d51 | bellard | |
397 | e95c8d51 | bellard | /* fill in g0..g7 */
|
398 | 48b2c193 | bellard | for(i = 0; i < 8; i++) { |
399 | e95c8d51 | bellard | registers[i] = tswapl(env->gregs[i]); |
400 | e95c8d51 | bellard | } |
401 | e95c8d51 | bellard | /* fill in register window */
|
402 | e95c8d51 | bellard | for(i = 0; i < 24; i++) { |
403 | e95c8d51 | bellard | registers[i + 8] = tswapl(env->regwptr[i]);
|
404 | e95c8d51 | bellard | } |
405 | 9d9754a3 | bellard | #ifndef TARGET_SPARC64
|
406 | e95c8d51 | bellard | /* fill in fprs */
|
407 | e95c8d51 | bellard | for (i = 0; i < 32; i++) { |
408 | e95c8d51 | bellard | registers[i + 32] = tswapl(*((uint32_t *)&env->fpr[i]));
|
409 | e95c8d51 | bellard | } |
410 | e95c8d51 | bellard | /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */
|
411 | e95c8d51 | bellard | registers[64] = tswapl(env->y);
|
412 | 3475187d | bellard | { |
413 | 3475187d | bellard | target_ulong tmp; |
414 | 3475187d | bellard | |
415 | 3475187d | bellard | tmp = GET_PSR(env); |
416 | 3475187d | bellard | registers[65] = tswapl(tmp);
|
417 | 3475187d | bellard | } |
418 | e95c8d51 | bellard | registers[66] = tswapl(env->wim);
|
419 | e95c8d51 | bellard | registers[67] = tswapl(env->tbr);
|
420 | e95c8d51 | bellard | registers[68] = tswapl(env->pc);
|
421 | e95c8d51 | bellard | registers[69] = tswapl(env->npc);
|
422 | e95c8d51 | bellard | registers[70] = tswapl(env->fsr);
|
423 | e95c8d51 | bellard | registers[71] = 0; /* csr */ |
424 | e95c8d51 | bellard | registers[72] = 0; |
425 | 3475187d | bellard | return 73 * sizeof(target_ulong); |
426 | 3475187d | bellard | #else
|
427 | 9d9754a3 | bellard | /* fill in fprs */
|
428 | 9d9754a3 | bellard | for (i = 0; i < 64; i += 2) { |
429 | 9d9754a3 | bellard | uint64_t tmp; |
430 | 9d9754a3 | bellard | |
431 | 8979596d | blueswir1 | tmp = ((uint64_t)*(uint32_t *)&env->fpr[i]) << 32;
|
432 | 8979596d | blueswir1 | tmp |= *(uint32_t *)&env->fpr[i + 1];
|
433 | 8979596d | blueswir1 | registers[i / 2 + 32] = tswap64(tmp); |
434 | 3475187d | bellard | } |
435 | 9d9754a3 | bellard | registers[64] = tswapl(env->pc);
|
436 | 9d9754a3 | bellard | registers[65] = tswapl(env->npc);
|
437 | 17d996e1 | blueswir1 | registers[66] = tswapl(((uint64_t)GET_CCR(env) << 32) | |
438 | 17d996e1 | blueswir1 | ((env->asi & 0xff) << 24) | |
439 | 17d996e1 | blueswir1 | ((env->pstate & 0xfff) << 8) | |
440 | 17d996e1 | blueswir1 | GET_CWP64(env)); |
441 | 9d9754a3 | bellard | registers[67] = tswapl(env->fsr);
|
442 | 9d9754a3 | bellard | registers[68] = tswapl(env->fprs);
|
443 | 9d9754a3 | bellard | registers[69] = tswapl(env->y);
|
444 | 9d9754a3 | bellard | return 70 * sizeof(target_ulong); |
445 | 3475187d | bellard | #endif
|
446 | e95c8d51 | bellard | } |
447 | e95c8d51 | bellard | |
448 | e95c8d51 | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
449 | e95c8d51 | bellard | { |
450 | 3475187d | bellard | target_ulong *registers = (target_ulong *)mem_buf; |
451 | e95c8d51 | bellard | int i;
|
452 | e95c8d51 | bellard | |
453 | e95c8d51 | bellard | /* fill in g0..g7 */
|
454 | e95c8d51 | bellard | for(i = 0; i < 7; i++) { |
455 | e95c8d51 | bellard | env->gregs[i] = tswapl(registers[i]); |
456 | e95c8d51 | bellard | } |
457 | e95c8d51 | bellard | /* fill in register window */
|
458 | e95c8d51 | bellard | for(i = 0; i < 24; i++) { |
459 | 3475187d | bellard | env->regwptr[i] = tswapl(registers[i + 8]);
|
460 | e95c8d51 | bellard | } |
461 | 9d9754a3 | bellard | #ifndef TARGET_SPARC64
|
462 | e95c8d51 | bellard | /* fill in fprs */
|
463 | e95c8d51 | bellard | for (i = 0; i < 32; i++) { |
464 | e95c8d51 | bellard | *((uint32_t *)&env->fpr[i]) = tswapl(registers[i + 32]);
|
465 | e95c8d51 | bellard | } |
466 | e95c8d51 | bellard | /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */
|
467 | e95c8d51 | bellard | env->y = tswapl(registers[64]);
|
468 | e80cfcfc | bellard | PUT_PSR(env, tswapl(registers[65]));
|
469 | e95c8d51 | bellard | env->wim = tswapl(registers[66]);
|
470 | e95c8d51 | bellard | env->tbr = tswapl(registers[67]);
|
471 | e95c8d51 | bellard | env->pc = tswapl(registers[68]);
|
472 | e95c8d51 | bellard | env->npc = tswapl(registers[69]);
|
473 | e95c8d51 | bellard | env->fsr = tswapl(registers[70]);
|
474 | 3475187d | bellard | #else
|
475 | 9d9754a3 | bellard | for (i = 0; i < 64; i += 2) { |
476 | 8979596d | blueswir1 | uint64_t tmp; |
477 | 8979596d | blueswir1 | |
478 | 8979596d | blueswir1 | tmp = tswap64(registers[i / 2 + 32]); |
479 | 8979596d | blueswir1 | *((uint32_t *)&env->fpr[i]) = tmp >> 32;
|
480 | 8979596d | blueswir1 | *((uint32_t *)&env->fpr[i + 1]) = tmp & 0xffffffff; |
481 | 3475187d | bellard | } |
482 | 9d9754a3 | bellard | env->pc = tswapl(registers[64]);
|
483 | 9d9754a3 | bellard | env->npc = tswapl(registers[65]);
|
484 | 17d996e1 | blueswir1 | { |
485 | 17d996e1 | blueswir1 | uint64_t tmp = tswapl(registers[66]);
|
486 | 17d996e1 | blueswir1 | |
487 | 17d996e1 | blueswir1 | PUT_CCR(env, tmp >> 32);
|
488 | 17d996e1 | blueswir1 | env->asi = (tmp >> 24) & 0xff; |
489 | 17d996e1 | blueswir1 | env->pstate = (tmp >> 8) & 0xfff; |
490 | 17d996e1 | blueswir1 | PUT_CWP64(env, tmp & 0xff);
|
491 | 17d996e1 | blueswir1 | } |
492 | 9d9754a3 | bellard | env->fsr = tswapl(registers[67]);
|
493 | 9d9754a3 | bellard | env->fprs = tswapl(registers[68]);
|
494 | 9d9754a3 | bellard | env->y = tswapl(registers[69]);
|
495 | 3475187d | bellard | #endif
|
496 | 9e62fd7f | bellard | } |
497 | 1fddef4b | bellard | #elif defined (TARGET_ARM)
|
498 | 1fddef4b | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
499 | 1fddef4b | bellard | { |
500 | 1fddef4b | bellard | int i;
|
501 | 1fddef4b | bellard | uint8_t *ptr; |
502 | 1fddef4b | bellard | |
503 | 1fddef4b | bellard | ptr = mem_buf; |
504 | 1fddef4b | bellard | /* 16 core integer registers (4 bytes each). */
|
505 | 1fddef4b | bellard | for (i = 0; i < 16; i++) |
506 | 1fddef4b | bellard | { |
507 | 1fddef4b | bellard | *(uint32_t *)ptr = tswapl(env->regs[i]); |
508 | 1fddef4b | bellard | ptr += 4;
|
509 | 1fddef4b | bellard | } |
510 | 1fddef4b | bellard | /* 8 FPA registers (12 bytes each), FPS (4 bytes).
|
511 | 1fddef4b | bellard | Not yet implemented. */
|
512 | 1fddef4b | bellard | memset (ptr, 0, 8 * 12 + 4); |
513 | 1fddef4b | bellard | ptr += 8 * 12 + 4; |
514 | 1fddef4b | bellard | /* CPSR (4 bytes). */
|
515 | b5ff1b31 | bellard | *(uint32_t *)ptr = tswapl (cpsr_read(env)); |
516 | 1fddef4b | bellard | ptr += 4;
|
517 | 1fddef4b | bellard | |
518 | 1fddef4b | bellard | return ptr - mem_buf;
|
519 | 1fddef4b | bellard | } |
520 | 6da41eaf | bellard | |
521 | 1fddef4b | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
522 | 1fddef4b | bellard | { |
523 | 1fddef4b | bellard | int i;
|
524 | 1fddef4b | bellard | uint8_t *ptr; |
525 | 1fddef4b | bellard | |
526 | 1fddef4b | bellard | ptr = mem_buf; |
527 | 1fddef4b | bellard | /* Core integer registers. */
|
528 | 1fddef4b | bellard | for (i = 0; i < 16; i++) |
529 | 1fddef4b | bellard | { |
530 | 1fddef4b | bellard | env->regs[i] = tswapl(*(uint32_t *)ptr); |
531 | 1fddef4b | bellard | ptr += 4;
|
532 | 1fddef4b | bellard | } |
533 | 1fddef4b | bellard | /* Ignore FPA regs and scr. */
|
534 | 1fddef4b | bellard | ptr += 8 * 12 + 4; |
535 | b5ff1b31 | bellard | cpsr_write (env, tswapl(*(uint32_t *)ptr), 0xffffffff);
|
536 | 1fddef4b | bellard | } |
537 | e6e5906b | pbrook | #elif defined (TARGET_M68K)
|
538 | e6e5906b | pbrook | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
539 | e6e5906b | pbrook | { |
540 | e6e5906b | pbrook | int i;
|
541 | e6e5906b | pbrook | uint8_t *ptr; |
542 | e6e5906b | pbrook | CPU_DoubleU u; |
543 | e6e5906b | pbrook | |
544 | e6e5906b | pbrook | ptr = mem_buf; |
545 | e6e5906b | pbrook | /* D0-D7 */
|
546 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
547 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->dregs[i]); |
548 | e6e5906b | pbrook | ptr += 4;
|
549 | e6e5906b | pbrook | } |
550 | e6e5906b | pbrook | /* A0-A7 */
|
551 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
552 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->aregs[i]); |
553 | e6e5906b | pbrook | ptr += 4;
|
554 | e6e5906b | pbrook | } |
555 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->sr); |
556 | e6e5906b | pbrook | ptr += 4;
|
557 | e6e5906b | pbrook | *(uint32_t *)ptr = tswapl(env->pc); |
558 | e6e5906b | pbrook | ptr += 4;
|
559 | e6e5906b | pbrook | /* F0-F7. The 68881/68040 have 12-bit extended precision registers.
|
560 | e6e5906b | pbrook | ColdFire has 8-bit double precision registers. */
|
561 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
562 | e6e5906b | pbrook | u.d = env->fregs[i]; |
563 | e6e5906b | pbrook | *(uint32_t *)ptr = tswap32(u.l.upper); |
564 | e6e5906b | pbrook | *(uint32_t *)ptr = tswap32(u.l.lower); |
565 | e6e5906b | pbrook | } |
566 | e6e5906b | pbrook | /* FP control regs (not implemented). */
|
567 | e6e5906b | pbrook | memset (ptr, 0, 3 * 4); |
568 | e6e5906b | pbrook | ptr += 3 * 4; |
569 | e6e5906b | pbrook | |
570 | e6e5906b | pbrook | return ptr - mem_buf;
|
571 | e6e5906b | pbrook | } |
572 | e6e5906b | pbrook | |
573 | e6e5906b | pbrook | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
574 | e6e5906b | pbrook | { |
575 | e6e5906b | pbrook | int i;
|
576 | e6e5906b | pbrook | uint8_t *ptr; |
577 | e6e5906b | pbrook | CPU_DoubleU u; |
578 | e6e5906b | pbrook | |
579 | e6e5906b | pbrook | ptr = mem_buf; |
580 | e6e5906b | pbrook | /* D0-D7 */
|
581 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
582 | e6e5906b | pbrook | env->dregs[i] = tswapl(*(uint32_t *)ptr); |
583 | e6e5906b | pbrook | ptr += 4;
|
584 | e6e5906b | pbrook | } |
585 | e6e5906b | pbrook | /* A0-A7 */
|
586 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
587 | e6e5906b | pbrook | env->aregs[i] = tswapl(*(uint32_t *)ptr); |
588 | e6e5906b | pbrook | ptr += 4;
|
589 | e6e5906b | pbrook | } |
590 | e6e5906b | pbrook | env->sr = tswapl(*(uint32_t *)ptr); |
591 | e6e5906b | pbrook | ptr += 4;
|
592 | e6e5906b | pbrook | env->pc = tswapl(*(uint32_t *)ptr); |
593 | e6e5906b | pbrook | ptr += 4;
|
594 | e6e5906b | pbrook | /* F0-F7. The 68881/68040 have 12-bit extended precision registers.
|
595 | e6e5906b | pbrook | ColdFire has 8-bit double precision registers. */
|
596 | e6e5906b | pbrook | for (i = 0; i < 8; i++) { |
597 | 5fafdf24 | ths | u.l.upper = tswap32(*(uint32_t *)ptr); |
598 | e6e5906b | pbrook | u.l.lower = tswap32(*(uint32_t *)ptr); |
599 | e6e5906b | pbrook | env->fregs[i] = u.d; |
600 | e6e5906b | pbrook | } |
601 | e6e5906b | pbrook | /* FP control regs (not implemented). */
|
602 | e6e5906b | pbrook | ptr += 3 * 4; |
603 | e6e5906b | pbrook | } |
604 | 6f970bd9 | bellard | #elif defined (TARGET_MIPS)
|
605 | 6f970bd9 | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
606 | 6f970bd9 | bellard | { |
607 | 6f970bd9 | bellard | int i;
|
608 | 6f970bd9 | bellard | uint8_t *ptr; |
609 | 6f970bd9 | bellard | |
610 | 6f970bd9 | bellard | ptr = mem_buf; |
611 | 6f970bd9 | bellard | for (i = 0; i < 32; i++) |
612 | 6f970bd9 | bellard | { |
613 | ead9360e | ths | *(target_ulong *)ptr = tswapl(env->gpr[i][env->current_tc]); |
614 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
615 | 6f970bd9 | bellard | } |
616 | 6f970bd9 | bellard | |
617 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->CP0_Status); |
618 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
619 | 6f970bd9 | bellard | |
620 | ead9360e | ths | *(target_ulong *)ptr = tswapl(env->LO[0][env->current_tc]);
|
621 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
622 | 6f970bd9 | bellard | |
623 | ead9360e | ths | *(target_ulong *)ptr = tswapl(env->HI[0][env->current_tc]);
|
624 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
625 | 6f970bd9 | bellard | |
626 | 2052caa7 | ths | *(target_ulong *)ptr = tswapl(env->CP0_BadVAddr); |
627 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
628 | 6f970bd9 | bellard | |
629 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->CP0_Cause); |
630 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
631 | 6f970bd9 | bellard | |
632 | ead9360e | ths | *(target_ulong *)ptr = tswapl(env->PC[env->current_tc]); |
633 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
634 | 6f970bd9 | bellard | |
635 | 36d23958 | ths | if (env->CP0_Config1 & (1 << CP0C1_FP)) |
636 | 8e33c08c | ths | { |
637 | 36d23958 | ths | for (i = 0; i < 32; i++) |
638 | 36d23958 | ths | { |
639 | 7ac256b8 | ths | if (env->CP0_Status & (1 << CP0St_FR)) |
640 | 7ac256b8 | ths | *(target_ulong *)ptr = tswapl(env->fpu->fpr[i].d); |
641 | 7ac256b8 | ths | else
|
642 | 7ac256b8 | ths | *(target_ulong *)ptr = tswap32(env->fpu->fpr[i].w[FP_ENDIAN_IDX]); |
643 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
644 | 36d23958 | ths | } |
645 | 8e33c08c | ths | |
646 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->fpu->fcr31); |
647 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
648 | 8e33c08c | ths | |
649 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->fpu->fcr0); |
650 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
651 | 36d23958 | ths | } |
652 | 8e33c08c | ths | |
653 | 7ac256b8 | ths | /* "fp", pseudo frame pointer. Not yet implemented in gdb. */
|
654 | 7ac256b8 | ths | *(target_ulong *)ptr = 0;
|
655 | 7ac256b8 | ths | ptr += sizeof(target_ulong);
|
656 | 7ac256b8 | ths | |
657 | 7ac256b8 | ths | /* Registers for embedded use, we just pad them. */
|
658 | 7ac256b8 | ths | for (i = 0; i < 16; i++) |
659 | 7ac256b8 | ths | { |
660 | 7ac256b8 | ths | *(target_ulong *)ptr = 0;
|
661 | 7ac256b8 | ths | ptr += sizeof(target_ulong);
|
662 | 7ac256b8 | ths | } |
663 | 7ac256b8 | ths | |
664 | 7ac256b8 | ths | /* Processor ID. */
|
665 | 7ac256b8 | ths | *(target_ulong *)ptr = (int32_t)tswap32(env->CP0_PRid); |
666 | 7ac256b8 | ths | ptr += sizeof(target_ulong);
|
667 | 6f970bd9 | bellard | |
668 | 6f970bd9 | bellard | return ptr - mem_buf;
|
669 | 6f970bd9 | bellard | } |
670 | 6f970bd9 | bellard | |
671 | 8e33c08c | ths | /* convert MIPS rounding mode in FCR31 to IEEE library */
|
672 | 8e33c08c | ths | static unsigned int ieee_rm[] = |
673 | 8e33c08c | ths | { |
674 | 8e33c08c | ths | float_round_nearest_even, |
675 | 8e33c08c | ths | float_round_to_zero, |
676 | 8e33c08c | ths | float_round_up, |
677 | 8e33c08c | ths | float_round_down |
678 | 8e33c08c | ths | }; |
679 | 8e33c08c | ths | #define RESTORE_ROUNDING_MODE \
|
680 | ead9360e | ths | set_float_rounding_mode(ieee_rm[env->fpu->fcr31 & 3], &env->fpu->fp_status)
|
681 | 8e33c08c | ths | |
682 | 6f970bd9 | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
683 | 6f970bd9 | bellard | { |
684 | 6f970bd9 | bellard | int i;
|
685 | 6f970bd9 | bellard | uint8_t *ptr; |
686 | 6f970bd9 | bellard | |
687 | 6f970bd9 | bellard | ptr = mem_buf; |
688 | 6f970bd9 | bellard | for (i = 0; i < 32; i++) |
689 | 6f970bd9 | bellard | { |
690 | ead9360e | ths | env->gpr[i][env->current_tc] = tswapl(*(target_ulong *)ptr); |
691 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
692 | 6f970bd9 | bellard | } |
693 | 6f970bd9 | bellard | |
694 | 2052caa7 | ths | env->CP0_Status = tswapl(*(target_ulong *)ptr); |
695 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
696 | 6f970bd9 | bellard | |
697 | ead9360e | ths | env->LO[0][env->current_tc] = tswapl(*(target_ulong *)ptr);
|
698 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
699 | 6f970bd9 | bellard | |
700 | ead9360e | ths | env->HI[0][env->current_tc] = tswapl(*(target_ulong *)ptr);
|
701 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
702 | 6f970bd9 | bellard | |
703 | 2052caa7 | ths | env->CP0_BadVAddr = tswapl(*(target_ulong *)ptr); |
704 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
705 | 6f970bd9 | bellard | |
706 | 2052caa7 | ths | env->CP0_Cause = tswapl(*(target_ulong *)ptr); |
707 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
708 | 6f970bd9 | bellard | |
709 | ead9360e | ths | env->PC[env->current_tc] = tswapl(*(target_ulong *)ptr); |
710 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
711 | 8e33c08c | ths | |
712 | 36d23958 | ths | if (env->CP0_Config1 & (1 << CP0C1_FP)) |
713 | 8e33c08c | ths | { |
714 | 36d23958 | ths | for (i = 0; i < 32; i++) |
715 | 36d23958 | ths | { |
716 | 7ac256b8 | ths | if (env->CP0_Status & (1 << CP0St_FR)) |
717 | 7ac256b8 | ths | env->fpu->fpr[i].d = tswapl(*(target_ulong *)ptr); |
718 | 7ac256b8 | ths | else
|
719 | 7ac256b8 | ths | env->fpu->fpr[i].w[FP_ENDIAN_IDX] = tswapl(*(target_ulong *)ptr); |
720 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
721 | 36d23958 | ths | } |
722 | 8e33c08c | ths | |
723 | 7ac256b8 | ths | env->fpu->fcr31 = tswapl(*(target_ulong *)ptr) & 0xFF83FFFF;
|
724 | 2052caa7 | ths | ptr += sizeof(target_ulong);
|
725 | 8e33c08c | ths | |
726 | 7ac256b8 | ths | /* The remaining registers are assumed to be read-only. */
|
727 | 8e33c08c | ths | |
728 | 36d23958 | ths | /* set rounding mode */
|
729 | 36d23958 | ths | RESTORE_ROUNDING_MODE; |
730 | 8e33c08c | ths | |
731 | 8e33c08c | ths | #ifndef CONFIG_SOFTFLOAT
|
732 | 36d23958 | ths | /* no floating point exception for native float */
|
733 | 36d23958 | ths | SET_FP_ENABLE(env->fcr31, 0);
|
734 | 8e33c08c | ths | #endif
|
735 | 36d23958 | ths | } |
736 | 6f970bd9 | bellard | } |
737 | fdf9b3e8 | bellard | #elif defined (TARGET_SH4)
|
738 | 6ef99fc5 | ths | |
739 | 6ef99fc5 | ths | /* Hint: Use "set architecture sh4" in GDB to see fpu registers */
|
740 | 6ef99fc5 | ths | |
741 | fdf9b3e8 | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
742 | fdf9b3e8 | bellard | { |
743 | fdf9b3e8 | bellard | uint32_t *ptr = (uint32_t *)mem_buf; |
744 | fdf9b3e8 | bellard | int i;
|
745 | fdf9b3e8 | bellard | |
746 | fdf9b3e8 | bellard | #define SAVE(x) *ptr++=tswapl(x)
|
747 | 9c2a9ea1 | pbrook | if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) {
|
748 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) SAVE(env->gregs[i + 16]); |
749 | 9c2a9ea1 | pbrook | } else {
|
750 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) SAVE(env->gregs[i]); |
751 | 9c2a9ea1 | pbrook | } |
752 | 9c2a9ea1 | pbrook | for (i = 8; i < 16; i++) SAVE(env->gregs[i]); |
753 | fdf9b3e8 | bellard | SAVE (env->pc); |
754 | fdf9b3e8 | bellard | SAVE (env->pr); |
755 | fdf9b3e8 | bellard | SAVE (env->gbr); |
756 | fdf9b3e8 | bellard | SAVE (env->vbr); |
757 | fdf9b3e8 | bellard | SAVE (env->mach); |
758 | fdf9b3e8 | bellard | SAVE (env->macl); |
759 | fdf9b3e8 | bellard | SAVE (env->sr); |
760 | 6ef99fc5 | ths | SAVE (env->fpul); |
761 | 6ef99fc5 | ths | SAVE (env->fpscr); |
762 | 6ef99fc5 | ths | for (i = 0; i < 16; i++) |
763 | 6ef99fc5 | ths | SAVE(env->fregs[i + ((env->fpscr & FPSCR_FR) ? 16 : 0)]); |
764 | 6ef99fc5 | ths | SAVE (env->ssr); |
765 | 6ef99fc5 | ths | SAVE (env->spc); |
766 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) SAVE(env->gregs[i]); |
767 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) SAVE(env->gregs[i + 16]); |
768 | fdf9b3e8 | bellard | return ((uint8_t *)ptr - mem_buf);
|
769 | fdf9b3e8 | bellard | } |
770 | fdf9b3e8 | bellard | |
771 | fdf9b3e8 | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
772 | fdf9b3e8 | bellard | { |
773 | fdf9b3e8 | bellard | uint32_t *ptr = (uint32_t *)mem_buf; |
774 | fdf9b3e8 | bellard | int i;
|
775 | fdf9b3e8 | bellard | |
776 | fdf9b3e8 | bellard | #define LOAD(x) (x)=*ptr++;
|
777 | 9c2a9ea1 | pbrook | if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) {
|
778 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) LOAD(env->gregs[i + 16]); |
779 | 9c2a9ea1 | pbrook | } else {
|
780 | 9c2a9ea1 | pbrook | for (i = 0; i < 8; i++) LOAD(env->gregs[i]); |
781 | 9c2a9ea1 | pbrook | } |
782 | 9c2a9ea1 | pbrook | for (i = 8; i < 16; i++) LOAD(env->gregs[i]); |
783 | fdf9b3e8 | bellard | LOAD (env->pc); |
784 | fdf9b3e8 | bellard | LOAD (env->pr); |
785 | fdf9b3e8 | bellard | LOAD (env->gbr); |
786 | fdf9b3e8 | bellard | LOAD (env->vbr); |
787 | fdf9b3e8 | bellard | LOAD (env->mach); |
788 | fdf9b3e8 | bellard | LOAD (env->macl); |
789 | fdf9b3e8 | bellard | LOAD (env->sr); |
790 | 6ef99fc5 | ths | LOAD (env->fpul); |
791 | 6ef99fc5 | ths | LOAD (env->fpscr); |
792 | 6ef99fc5 | ths | for (i = 0; i < 16; i++) |
793 | 6ef99fc5 | ths | LOAD(env->fregs[i + ((env->fpscr & FPSCR_FR) ? 16 : 0)]); |
794 | 6ef99fc5 | ths | LOAD (env->ssr); |
795 | 6ef99fc5 | ths | LOAD (env->spc); |
796 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) LOAD(env->gregs[i]); |
797 | 6ef99fc5 | ths | for (i = 0; i < 8; i++) LOAD(env->gregs[i + 16]); |
798 | fdf9b3e8 | bellard | } |
799 | f1ccf904 | ths | #elif defined (TARGET_CRIS)
|
800 | f1ccf904 | ths | |
801 | f1ccf904 | ths | static int cris_save_32 (unsigned char *d, uint32_t value) |
802 | f1ccf904 | ths | { |
803 | f1ccf904 | ths | *d++ = (value); |
804 | f1ccf904 | ths | *d++ = (value >>= 8);
|
805 | f1ccf904 | ths | *d++ = (value >>= 8);
|
806 | f1ccf904 | ths | *d++ = (value >>= 8);
|
807 | f1ccf904 | ths | return 4; |
808 | f1ccf904 | ths | } |
809 | f1ccf904 | ths | static int cris_save_16 (unsigned char *d, uint32_t value) |
810 | f1ccf904 | ths | { |
811 | f1ccf904 | ths | *d++ = (value); |
812 | f1ccf904 | ths | *d++ = (value >>= 8);
|
813 | f1ccf904 | ths | return 2; |
814 | f1ccf904 | ths | } |
815 | f1ccf904 | ths | static int cris_save_8 (unsigned char *d, uint32_t value) |
816 | f1ccf904 | ths | { |
817 | f1ccf904 | ths | *d++ = (value); |
818 | f1ccf904 | ths | return 1; |
819 | f1ccf904 | ths | } |
820 | f1ccf904 | ths | |
821 | f1ccf904 | ths | /* FIXME: this will bug on archs not supporting unaligned word accesses. */
|
822 | f1ccf904 | ths | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
823 | f1ccf904 | ths | { |
824 | f1ccf904 | ths | uint8_t *ptr = mem_buf; |
825 | f1ccf904 | ths | uint8_t srs; |
826 | f1ccf904 | ths | int i;
|
827 | f1ccf904 | ths | |
828 | f1ccf904 | ths | for (i = 0; i < 16; i++) |
829 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->regs[i]); |
830 | f1ccf904 | ths | |
831 | f1ccf904 | ths | srs = env->pregs[SR_SRS]; |
832 | f1ccf904 | ths | |
833 | f1ccf904 | ths | ptr += cris_save_8 (ptr, env->pregs[0]);
|
834 | f1ccf904 | ths | ptr += cris_save_8 (ptr, env->pregs[1]);
|
835 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->pregs[2]);
|
836 | f1ccf904 | ths | ptr += cris_save_8 (ptr, srs); |
837 | f1ccf904 | ths | ptr += cris_save_16 (ptr, env->pregs[4]);
|
838 | f1ccf904 | ths | |
839 | f1ccf904 | ths | for (i = 5; i < 16; i++) |
840 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->pregs[i]); |
841 | f1ccf904 | ths | |
842 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->pc); |
843 | f1ccf904 | ths | |
844 | f1ccf904 | ths | for (i = 0; i < 16; i++) |
845 | f1ccf904 | ths | ptr += cris_save_32 (ptr, env->sregs[srs][i]); |
846 | f1ccf904 | ths | |
847 | f1ccf904 | ths | return ((uint8_t *)ptr - mem_buf);
|
848 | f1ccf904 | ths | } |
849 | f1ccf904 | ths | |
850 | f1ccf904 | ths | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
851 | f1ccf904 | ths | { |
852 | f1ccf904 | ths | uint32_t *ptr = (uint32_t *)mem_buf; |
853 | f1ccf904 | ths | int i;
|
854 | f1ccf904 | ths | |
855 | f1ccf904 | ths | #define LOAD(x) (x)=*ptr++;
|
856 | f1ccf904 | ths | for (i = 0; i < 16; i++) LOAD(env->regs[i]); |
857 | f1ccf904 | ths | LOAD (env->pc); |
858 | f1ccf904 | ths | } |
859 | 1fddef4b | bellard | #else
|
860 | 6da41eaf | bellard | static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) |
861 | 6da41eaf | bellard | { |
862 | 6da41eaf | bellard | return 0; |
863 | 6da41eaf | bellard | } |
864 | 6da41eaf | bellard | |
865 | 6da41eaf | bellard | static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) |
866 | 6da41eaf | bellard | { |
867 | 6da41eaf | bellard | } |
868 | 6da41eaf | bellard | |
869 | 6da41eaf | bellard | #endif
|
870 | b4608c04 | bellard | |
871 | 1fddef4b | bellard | static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf) |
872 | b4608c04 | bellard | { |
873 | b4608c04 | bellard | const char *p; |
874 | 858693c6 | bellard | int ch, reg_size, type;
|
875 | b4608c04 | bellard | char buf[4096]; |
876 | f1ccf904 | ths | uint8_t mem_buf[4096];
|
877 | b4608c04 | bellard | uint32_t *registers; |
878 | 9d9754a3 | bellard | target_ulong addr, len; |
879 | 3b46e624 | ths | |
880 | 858693c6 | bellard | #ifdef DEBUG_GDB
|
881 | 858693c6 | bellard | printf("command='%s'\n", line_buf);
|
882 | 858693c6 | bellard | #endif
|
883 | 858693c6 | bellard | p = line_buf; |
884 | 858693c6 | bellard | ch = *p++; |
885 | 858693c6 | bellard | switch(ch) {
|
886 | 858693c6 | bellard | case '?': |
887 | 1fddef4b | bellard | /* TODO: Make this return the correct value for user-mode. */
|
888 | 858693c6 | bellard | snprintf(buf, sizeof(buf), "S%02x", SIGTRAP); |
889 | 858693c6 | bellard | put_packet(s, buf); |
890 | 858693c6 | bellard | break;
|
891 | 858693c6 | bellard | case 'c': |
892 | 858693c6 | bellard | if (*p != '\0') { |
893 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
894 | 4c3a88a2 | bellard | #if defined(TARGET_I386)
|
895 | 858693c6 | bellard | env->eip = addr; |
896 | 5be1a8e0 | bellard | #elif defined (TARGET_PPC)
|
897 | 858693c6 | bellard | env->nip = addr; |
898 | 8d5f07fa | bellard | #elif defined (TARGET_SPARC)
|
899 | 8d5f07fa | bellard | env->pc = addr; |
900 | 8d5f07fa | bellard | env->npc = addr + 4;
|
901 | b5ff1b31 | bellard | #elif defined (TARGET_ARM)
|
902 | b5ff1b31 | bellard | env->regs[15] = addr;
|
903 | fdf9b3e8 | bellard | #elif defined (TARGET_SH4)
|
904 | 8fac5803 | ths | env->pc = addr; |
905 | 8fac5803 | ths | #elif defined (TARGET_MIPS)
|
906 | ead9360e | ths | env->PC[env->current_tc] = addr; |
907 | f1ccf904 | ths | #elif defined (TARGET_CRIS)
|
908 | f1ccf904 | ths | env->pc = addr; |
909 | 4c3a88a2 | bellard | #endif
|
910 | 858693c6 | bellard | } |
911 | 41625033 | bellard | #ifdef CONFIG_USER_ONLY
|
912 | 41625033 | bellard | s->running_state = 1;
|
913 | 41625033 | bellard | #else
|
914 | 41625033 | bellard | vm_start(); |
915 | 41625033 | bellard | #endif
|
916 | 41625033 | bellard | return RS_IDLE;
|
917 | 858693c6 | bellard | case 's': |
918 | 858693c6 | bellard | if (*p != '\0') { |
919 | 8fac5803 | ths | addr = strtoull(p, (char **)&p, 16); |
920 | c33a346e | bellard | #if defined(TARGET_I386)
|
921 | 858693c6 | bellard | env->eip = addr; |
922 | 5be1a8e0 | bellard | #elif defined (TARGET_PPC)
|
923 | 858693c6 | bellard | env->nip = addr; |
924 | 8d5f07fa | bellard | #elif defined (TARGET_SPARC)
|
925 | 8d5f07fa | bellard | env->pc = addr; |
926 | 8d5f07fa | bellard | env->npc = addr + 4;
|
927 | b5ff1b31 | bellard | #elif defined (TARGET_ARM)
|
928 | b5ff1b31 | bellard | env->regs[15] = addr;
|
929 | fdf9b3e8 | bellard | #elif defined (TARGET_SH4)
|
930 | 8fac5803 | ths | env->pc = addr; |
931 | 8fac5803 | ths | #elif defined (TARGET_MIPS)
|
932 | ead9360e | ths | env->PC[env->current_tc] = addr; |
933 | f1ccf904 | ths | #elif defined (TARGET_CRIS)
|
934 | f1ccf904 | ths | env->pc = addr; |
935 | c33a346e | bellard | #endif
|
936 | 858693c6 | bellard | } |
937 | 858693c6 | bellard | cpu_single_step(env, 1);
|
938 | 41625033 | bellard | #ifdef CONFIG_USER_ONLY
|
939 | 41625033 | bellard | s->running_state = 1;
|
940 | 41625033 | bellard | #else
|
941 | 41625033 | bellard | vm_start(); |
942 | 41625033 | bellard | #endif
|
943 | 41625033 | bellard | return RS_IDLE;
|
944 | a2d1ebaf | pbrook | case 'F': |
945 | a2d1ebaf | pbrook | { |
946 | a2d1ebaf | pbrook | target_ulong ret; |
947 | a2d1ebaf | pbrook | target_ulong err; |
948 | a2d1ebaf | pbrook | |
949 | a2d1ebaf | pbrook | ret = strtoull(p, (char **)&p, 16); |
950 | a2d1ebaf | pbrook | if (*p == ',') { |
951 | a2d1ebaf | pbrook | p++; |
952 | a2d1ebaf | pbrook | err = strtoull(p, (char **)&p, 16); |
953 | a2d1ebaf | pbrook | } else {
|
954 | a2d1ebaf | pbrook | err = 0;
|
955 | a2d1ebaf | pbrook | } |
956 | a2d1ebaf | pbrook | if (*p == ',') |
957 | a2d1ebaf | pbrook | p++; |
958 | a2d1ebaf | pbrook | type = *p; |
959 | a2d1ebaf | pbrook | if (gdb_current_syscall_cb)
|
960 | a2d1ebaf | pbrook | gdb_current_syscall_cb(s->env, ret, err); |
961 | a2d1ebaf | pbrook | if (type == 'C') { |
962 | a2d1ebaf | pbrook | put_packet(s, "T02");
|
963 | a2d1ebaf | pbrook | } else {
|
964 | a2d1ebaf | pbrook | #ifdef CONFIG_USER_ONLY
|
965 | a2d1ebaf | pbrook | s->running_state = 1;
|
966 | a2d1ebaf | pbrook | #else
|
967 | a2d1ebaf | pbrook | vm_start(); |
968 | a2d1ebaf | pbrook | #endif
|
969 | a2d1ebaf | pbrook | } |
970 | a2d1ebaf | pbrook | } |
971 | a2d1ebaf | pbrook | break;
|
972 | 858693c6 | bellard | case 'g': |
973 | 858693c6 | bellard | reg_size = cpu_gdb_read_registers(env, mem_buf); |
974 | 858693c6 | bellard | memtohex(buf, mem_buf, reg_size); |
975 | 858693c6 | bellard | put_packet(s, buf); |
976 | 858693c6 | bellard | break;
|
977 | 858693c6 | bellard | case 'G': |
978 | 858693c6 | bellard | registers = (void *)mem_buf;
|
979 | 858693c6 | bellard | len = strlen(p) / 2;
|
980 | 858693c6 | bellard | hextomem((uint8_t *)registers, p, len); |
981 | 858693c6 | bellard | cpu_gdb_write_registers(env, mem_buf, len); |
982 | 858693c6 | bellard | put_packet(s, "OK");
|
983 | 858693c6 | bellard | break;
|
984 | 858693c6 | bellard | case 'm': |
985 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
986 | 858693c6 | bellard | if (*p == ',') |
987 | 858693c6 | bellard | p++; |
988 | 9d9754a3 | bellard | len = strtoull(p, NULL, 16); |
989 | 6f970bd9 | bellard | if (cpu_memory_rw_debug(env, addr, mem_buf, len, 0) != 0) { |
990 | 6f970bd9 | bellard | put_packet (s, "E14");
|
991 | 6f970bd9 | bellard | } else {
|
992 | 6f970bd9 | bellard | memtohex(buf, mem_buf, len); |
993 | 6f970bd9 | bellard | put_packet(s, buf); |
994 | 6f970bd9 | bellard | } |
995 | 858693c6 | bellard | break;
|
996 | 858693c6 | bellard | case 'M': |
997 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
998 | 858693c6 | bellard | if (*p == ',') |
999 | 858693c6 | bellard | p++; |
1000 | 9d9754a3 | bellard | len = strtoull(p, (char **)&p, 16); |
1001 | b328f873 | bellard | if (*p == ':') |
1002 | 858693c6 | bellard | p++; |
1003 | 858693c6 | bellard | hextomem(mem_buf, p, len); |
1004 | 858693c6 | bellard | if (cpu_memory_rw_debug(env, addr, mem_buf, len, 1) != 0) |
1005 | 905f20b1 | bellard | put_packet(s, "E14");
|
1006 | 858693c6 | bellard | else
|
1007 | 858693c6 | bellard | put_packet(s, "OK");
|
1008 | 858693c6 | bellard | break;
|
1009 | 858693c6 | bellard | case 'Z': |
1010 | 858693c6 | bellard | type = strtoul(p, (char **)&p, 16); |
1011 | 858693c6 | bellard | if (*p == ',') |
1012 | 858693c6 | bellard | p++; |
1013 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
1014 | 858693c6 | bellard | if (*p == ',') |
1015 | 858693c6 | bellard | p++; |
1016 | 9d9754a3 | bellard | len = strtoull(p, (char **)&p, 16); |
1017 | 858693c6 | bellard | if (type == 0 || type == 1) { |
1018 | 858693c6 | bellard | if (cpu_breakpoint_insert(env, addr) < 0) |
1019 | 858693c6 | bellard | goto breakpoint_error;
|
1020 | 858693c6 | bellard | put_packet(s, "OK");
|
1021 | 6658ffb8 | pbrook | #ifndef CONFIG_USER_ONLY
|
1022 | 6658ffb8 | pbrook | } else if (type == 2) { |
1023 | 6658ffb8 | pbrook | if (cpu_watchpoint_insert(env, addr) < 0) |
1024 | 6658ffb8 | pbrook | goto breakpoint_error;
|
1025 | 6658ffb8 | pbrook | put_packet(s, "OK");
|
1026 | 6658ffb8 | pbrook | #endif
|
1027 | 858693c6 | bellard | } else {
|
1028 | 858693c6 | bellard | breakpoint_error:
|
1029 | 905f20b1 | bellard | put_packet(s, "E22");
|
1030 | 858693c6 | bellard | } |
1031 | 858693c6 | bellard | break;
|
1032 | 858693c6 | bellard | case 'z': |
1033 | 858693c6 | bellard | type = strtoul(p, (char **)&p, 16); |
1034 | 858693c6 | bellard | if (*p == ',') |
1035 | 858693c6 | bellard | p++; |
1036 | 9d9754a3 | bellard | addr = strtoull(p, (char **)&p, 16); |
1037 | 858693c6 | bellard | if (*p == ',') |
1038 | 858693c6 | bellard | p++; |
1039 | 9d9754a3 | bellard | len = strtoull(p, (char **)&p, 16); |
1040 | 858693c6 | bellard | if (type == 0 || type == 1) { |
1041 | 858693c6 | bellard | cpu_breakpoint_remove(env, addr); |
1042 | 858693c6 | bellard | put_packet(s, "OK");
|
1043 | 6658ffb8 | pbrook | #ifndef CONFIG_USER_ONLY
|
1044 | 6658ffb8 | pbrook | } else if (type == 2) { |
1045 | 6658ffb8 | pbrook | cpu_watchpoint_remove(env, addr); |
1046 | 6658ffb8 | pbrook | put_packet(s, "OK");
|
1047 | 6658ffb8 | pbrook | #endif
|
1048 | 858693c6 | bellard | } else {
|
1049 | 858693c6 | bellard | goto breakpoint_error;
|
1050 | 858693c6 | bellard | } |
1051 | 858693c6 | bellard | break;
|
1052 | 831b7825 | ths | #ifdef CONFIG_LINUX_USER
|
1053 | 978efd6a | pbrook | case 'q': |
1054 | 978efd6a | pbrook | if (strncmp(p, "Offsets", 7) == 0) { |
1055 | 978efd6a | pbrook | TaskState *ts = env->opaque; |
1056 | 978efd6a | pbrook | |
1057 | fe834d04 | ths | sprintf(buf, |
1058 | cd041681 | pbrook | "Text=" TARGET_ABI_FMT_lx ";Data=" TARGET_ABI_FMT_lx |
1059 | cd041681 | pbrook | ";Bss=" TARGET_ABI_FMT_lx,
|
1060 | fe834d04 | ths | ts->info->code_offset, |
1061 | fe834d04 | ths | ts->info->data_offset, |
1062 | fe834d04 | ths | ts->info->data_offset); |
1063 | 978efd6a | pbrook | put_packet(s, buf); |
1064 | 978efd6a | pbrook | break;
|
1065 | 978efd6a | pbrook | } |
1066 | 978efd6a | pbrook | /* Fall through. */
|
1067 | 978efd6a | pbrook | #endif
|
1068 | 858693c6 | bellard | default:
|
1069 | 858693c6 | bellard | // unknown_command:
|
1070 | 858693c6 | bellard | /* put empty packet */
|
1071 | 858693c6 | bellard | buf[0] = '\0'; |
1072 | 858693c6 | bellard | put_packet(s, buf); |
1073 | 858693c6 | bellard | break;
|
1074 | 858693c6 | bellard | } |
1075 | 858693c6 | bellard | return RS_IDLE;
|
1076 | 858693c6 | bellard | } |
1077 | 858693c6 | bellard | |
1078 | 612458f5 | bellard | extern void tb_flush(CPUState *env); |
1079 | 612458f5 | bellard | |
1080 | 1fddef4b | bellard | #ifndef CONFIG_USER_ONLY
|
1081 | 858693c6 | bellard | static void gdb_vm_stopped(void *opaque, int reason) |
1082 | 858693c6 | bellard | { |
1083 | 858693c6 | bellard | GDBState *s = opaque; |
1084 | 858693c6 | bellard | char buf[256]; |
1085 | 858693c6 | bellard | int ret;
|
1086 | 858693c6 | bellard | |
1087 | a2d1ebaf | pbrook | if (s->state == RS_SYSCALL)
|
1088 | a2d1ebaf | pbrook | return;
|
1089 | a2d1ebaf | pbrook | |
1090 | 858693c6 | bellard | /* disable single step if it was enable */
|
1091 | 6a00d601 | bellard | cpu_single_step(s->env, 0);
|
1092 | 858693c6 | bellard | |
1093 | e80cfcfc | bellard | if (reason == EXCP_DEBUG) {
|
1094 | 6658ffb8 | pbrook | if (s->env->watchpoint_hit) {
|
1095 | aa6290b7 | pbrook | snprintf(buf, sizeof(buf), "T%02xwatch:" TARGET_FMT_lx ";", |
1096 | aa6290b7 | pbrook | SIGTRAP, |
1097 | 6658ffb8 | pbrook | s->env->watchpoint[s->env->watchpoint_hit - 1].vaddr);
|
1098 | 6658ffb8 | pbrook | put_packet(s, buf); |
1099 | 6658ffb8 | pbrook | s->env->watchpoint_hit = 0;
|
1100 | 6658ffb8 | pbrook | return;
|
1101 | 6658ffb8 | pbrook | } |
1102 | 6a00d601 | bellard | tb_flush(s->env); |
1103 | 858693c6 | bellard | ret = SIGTRAP; |
1104 | bbeb7b5c | bellard | } else if (reason == EXCP_INTERRUPT) { |
1105 | bbeb7b5c | bellard | ret = SIGINT; |
1106 | bbeb7b5c | bellard | } else {
|
1107 | 858693c6 | bellard | ret = 0;
|
1108 | bbeb7b5c | bellard | } |
1109 | 858693c6 | bellard | snprintf(buf, sizeof(buf), "S%02x", ret); |
1110 | 858693c6 | bellard | put_packet(s, buf); |
1111 | 858693c6 | bellard | } |
1112 | 1fddef4b | bellard | #endif
|
1113 | 858693c6 | bellard | |
1114 | a2d1ebaf | pbrook | /* Send a gdb syscall request.
|
1115 | a2d1ebaf | pbrook | This accepts limited printf-style format specifiers, specifically:
|
1116 | a87295e8 | pbrook | %x - target_ulong argument printed in hex.
|
1117 | a87295e8 | pbrook | %lx - 64-bit argument printed in hex.
|
1118 | a87295e8 | pbrook | %s - string pointer (target_ulong) and length (int) pair. */
|
1119 | a2d1ebaf | pbrook | void gdb_do_syscall(gdb_syscall_complete_cb cb, char *fmt, ...) |
1120 | a2d1ebaf | pbrook | { |
1121 | a2d1ebaf | pbrook | va_list va; |
1122 | a2d1ebaf | pbrook | char buf[256]; |
1123 | a2d1ebaf | pbrook | char *p;
|
1124 | a2d1ebaf | pbrook | target_ulong addr; |
1125 | a87295e8 | pbrook | uint64_t i64; |
1126 | a2d1ebaf | pbrook | GDBState *s; |
1127 | a2d1ebaf | pbrook | |
1128 | a2d1ebaf | pbrook | s = gdb_syscall_state; |
1129 | a2d1ebaf | pbrook | if (!s)
|
1130 | a2d1ebaf | pbrook | return;
|
1131 | a2d1ebaf | pbrook | gdb_current_syscall_cb = cb; |
1132 | a2d1ebaf | pbrook | s->state = RS_SYSCALL; |
1133 | a2d1ebaf | pbrook | #ifndef CONFIG_USER_ONLY
|
1134 | a2d1ebaf | pbrook | vm_stop(EXCP_DEBUG); |
1135 | a2d1ebaf | pbrook | #endif
|
1136 | a2d1ebaf | pbrook | s->state = RS_IDLE; |
1137 | a2d1ebaf | pbrook | va_start(va, fmt); |
1138 | a2d1ebaf | pbrook | p = buf; |
1139 | a2d1ebaf | pbrook | *(p++) = 'F';
|
1140 | a2d1ebaf | pbrook | while (*fmt) {
|
1141 | a2d1ebaf | pbrook | if (*fmt == '%') { |
1142 | a2d1ebaf | pbrook | fmt++; |
1143 | a2d1ebaf | pbrook | switch (*fmt++) {
|
1144 | a2d1ebaf | pbrook | case 'x': |
1145 | a2d1ebaf | pbrook | addr = va_arg(va, target_ulong); |
1146 | a2d1ebaf | pbrook | p += sprintf(p, TARGET_FMT_lx, addr); |
1147 | a2d1ebaf | pbrook | break;
|
1148 | a87295e8 | pbrook | case 'l': |
1149 | a87295e8 | pbrook | if (*(fmt++) != 'x') |
1150 | a87295e8 | pbrook | goto bad_format;
|
1151 | a87295e8 | pbrook | i64 = va_arg(va, uint64_t); |
1152 | a87295e8 | pbrook | p += sprintf(p, "%" PRIx64, i64);
|
1153 | a87295e8 | pbrook | break;
|
1154 | a2d1ebaf | pbrook | case 's': |
1155 | a2d1ebaf | pbrook | addr = va_arg(va, target_ulong); |
1156 | a2d1ebaf | pbrook | p += sprintf(p, TARGET_FMT_lx "/%x", addr, va_arg(va, int)); |
1157 | a2d1ebaf | pbrook | break;
|
1158 | a2d1ebaf | pbrook | default:
|
1159 | a87295e8 | pbrook | bad_format:
|
1160 | a2d1ebaf | pbrook | fprintf(stderr, "gdbstub: Bad syscall format string '%s'\n",
|
1161 | a2d1ebaf | pbrook | fmt - 1);
|
1162 | a2d1ebaf | pbrook | break;
|
1163 | a2d1ebaf | pbrook | } |
1164 | a2d1ebaf | pbrook | } else {
|
1165 | a2d1ebaf | pbrook | *(p++) = *(fmt++); |
1166 | a2d1ebaf | pbrook | } |
1167 | a2d1ebaf | pbrook | } |
1168 | 8a93e02a | pbrook | *p = 0;
|
1169 | a2d1ebaf | pbrook | va_end(va); |
1170 | a2d1ebaf | pbrook | put_packet(s, buf); |
1171 | a2d1ebaf | pbrook | #ifdef CONFIG_USER_ONLY
|
1172 | a2d1ebaf | pbrook | gdb_handlesig(s->env, 0);
|
1173 | a2d1ebaf | pbrook | #else
|
1174 | a2d1ebaf | pbrook | cpu_interrupt(s->env, CPU_INTERRUPT_EXIT); |
1175 | a2d1ebaf | pbrook | #endif
|
1176 | a2d1ebaf | pbrook | } |
1177 | a2d1ebaf | pbrook | |
1178 | 6a00d601 | bellard | static void gdb_read_byte(GDBState *s, int ch) |
1179 | 858693c6 | bellard | { |
1180 | 6a00d601 | bellard | CPUState *env = s->env; |
1181 | 858693c6 | bellard | int i, csum;
|
1182 | 858693c6 | bellard | char reply[1]; |
1183 | 858693c6 | bellard | |
1184 | 1fddef4b | bellard | #ifndef CONFIG_USER_ONLY
|
1185 | 4046d913 | pbrook | if (s->last_packet_len) {
|
1186 | 4046d913 | pbrook | /* Waiting for a response to the last packet. If we see the start
|
1187 | 4046d913 | pbrook | of a new command then abandon the previous response. */
|
1188 | 4046d913 | pbrook | if (ch == '-') { |
1189 | 4046d913 | pbrook | #ifdef DEBUG_GDB
|
1190 | 4046d913 | pbrook | printf("Got NACK, retransmitting\n");
|
1191 | 4046d913 | pbrook | #endif
|
1192 | 4046d913 | pbrook | put_buffer(s, s->last_packet, s->last_packet_len); |
1193 | 4046d913 | pbrook | } |
1194 | 4046d913 | pbrook | #ifdef DEBUG_GDB
|
1195 | 4046d913 | pbrook | else if (ch == '+') |
1196 | 4046d913 | pbrook | printf("Got ACK\n");
|
1197 | 4046d913 | pbrook | else
|
1198 | 4046d913 | pbrook | printf("Got '%c' when expecting ACK/NACK\n", ch);
|
1199 | 4046d913 | pbrook | #endif
|
1200 | 4046d913 | pbrook | if (ch == '+' || ch == '$') |
1201 | 4046d913 | pbrook | s->last_packet_len = 0;
|
1202 | 4046d913 | pbrook | if (ch != '$') |
1203 | 4046d913 | pbrook | return;
|
1204 | 4046d913 | pbrook | } |
1205 | 858693c6 | bellard | if (vm_running) {
|
1206 | 858693c6 | bellard | /* when the CPU is running, we cannot do anything except stop
|
1207 | 858693c6 | bellard | it when receiving a char */
|
1208 | 858693c6 | bellard | vm_stop(EXCP_INTERRUPT); |
1209 | 5fafdf24 | ths | } else
|
1210 | 1fddef4b | bellard | #endif
|
1211 | 41625033 | bellard | { |
1212 | 858693c6 | bellard | switch(s->state) {
|
1213 | 858693c6 | bellard | case RS_IDLE:
|
1214 | 858693c6 | bellard | if (ch == '$') { |
1215 | 858693c6 | bellard | s->line_buf_index = 0;
|
1216 | 858693c6 | bellard | s->state = RS_GETLINE; |
1217 | c33a346e | bellard | } |
1218 | b4608c04 | bellard | break;
|
1219 | 858693c6 | bellard | case RS_GETLINE:
|
1220 | 858693c6 | bellard | if (ch == '#') { |
1221 | 858693c6 | bellard | s->state = RS_CHKSUM1; |
1222 | 858693c6 | bellard | } else if (s->line_buf_index >= sizeof(s->line_buf) - 1) { |
1223 | 858693c6 | bellard | s->state = RS_IDLE; |
1224 | 4c3a88a2 | bellard | } else {
|
1225 | 858693c6 | bellard | s->line_buf[s->line_buf_index++] = ch; |
1226 | 4c3a88a2 | bellard | } |
1227 | 4c3a88a2 | bellard | break;
|
1228 | 858693c6 | bellard | case RS_CHKSUM1:
|
1229 | 858693c6 | bellard | s->line_buf[s->line_buf_index] = '\0';
|
1230 | 858693c6 | bellard | s->line_csum = fromhex(ch) << 4;
|
1231 | 858693c6 | bellard | s->state = RS_CHKSUM2; |
1232 | 858693c6 | bellard | break;
|
1233 | 858693c6 | bellard | case RS_CHKSUM2:
|
1234 | 858693c6 | bellard | s->line_csum |= fromhex(ch); |
1235 | 858693c6 | bellard | csum = 0;
|
1236 | 858693c6 | bellard | for(i = 0; i < s->line_buf_index; i++) { |
1237 | 858693c6 | bellard | csum += s->line_buf[i]; |
1238 | 858693c6 | bellard | } |
1239 | 858693c6 | bellard | if (s->line_csum != (csum & 0xff)) { |
1240 | 858693c6 | bellard | reply[0] = '-'; |
1241 | 858693c6 | bellard | put_buffer(s, reply, 1);
|
1242 | 858693c6 | bellard | s->state = RS_IDLE; |
1243 | 4c3a88a2 | bellard | } else {
|
1244 | 858693c6 | bellard | reply[0] = '+'; |
1245 | 858693c6 | bellard | put_buffer(s, reply, 1);
|
1246 | 1fddef4b | bellard | s->state = gdb_handle_packet(s, env, s->line_buf); |
1247 | 4c3a88a2 | bellard | } |
1248 | 4c3a88a2 | bellard | break;
|
1249 | a2d1ebaf | pbrook | default:
|
1250 | a2d1ebaf | pbrook | abort(); |
1251 | 858693c6 | bellard | } |
1252 | 858693c6 | bellard | } |
1253 | 858693c6 | bellard | } |
1254 | 858693c6 | bellard | |
1255 | 1fddef4b | bellard | #ifdef CONFIG_USER_ONLY
|
1256 | 1fddef4b | bellard | int
|
1257 | 1fddef4b | bellard | gdb_handlesig (CPUState *env, int sig)
|
1258 | 1fddef4b | bellard | { |
1259 | 1fddef4b | bellard | GDBState *s; |
1260 | 1fddef4b | bellard | char buf[256]; |
1261 | 1fddef4b | bellard | int n;
|
1262 | 1fddef4b | bellard | |
1263 | 1fddef4b | bellard | if (gdbserver_fd < 0) |
1264 | 1fddef4b | bellard | return sig;
|
1265 | 1fddef4b | bellard | |
1266 | 1fddef4b | bellard | s = &gdbserver_state; |
1267 | 1fddef4b | bellard | |
1268 | 1fddef4b | bellard | /* disable single step if it was enabled */
|
1269 | 1fddef4b | bellard | cpu_single_step(env, 0);
|
1270 | 1fddef4b | bellard | tb_flush(env); |
1271 | 1fddef4b | bellard | |
1272 | 1fddef4b | bellard | if (sig != 0) |
1273 | 1fddef4b | bellard | { |
1274 | 1fddef4b | bellard | snprintf(buf, sizeof(buf), "S%02x", sig); |
1275 | 1fddef4b | bellard | put_packet(s, buf); |
1276 | 1fddef4b | bellard | } |
1277 | 1fddef4b | bellard | |
1278 | 1fddef4b | bellard | sig = 0;
|
1279 | 1fddef4b | bellard | s->state = RS_IDLE; |
1280 | 41625033 | bellard | s->running_state = 0;
|
1281 | 41625033 | bellard | while (s->running_state == 0) { |
1282 | 1fddef4b | bellard | n = read (s->fd, buf, 256);
|
1283 | 1fddef4b | bellard | if (n > 0) |
1284 | 1fddef4b | bellard | { |
1285 | 1fddef4b | bellard | int i;
|
1286 | 1fddef4b | bellard | |
1287 | 1fddef4b | bellard | for (i = 0; i < n; i++) |
1288 | 6a00d601 | bellard | gdb_read_byte (s, buf[i]); |
1289 | 1fddef4b | bellard | } |
1290 | 1fddef4b | bellard | else if (n == 0 || errno != EAGAIN) |
1291 | 1fddef4b | bellard | { |
1292 | 1fddef4b | bellard | /* XXX: Connection closed. Should probably wait for annother
|
1293 | 1fddef4b | bellard | connection before continuing. */
|
1294 | 1fddef4b | bellard | return sig;
|
1295 | 1fddef4b | bellard | } |
1296 | 41625033 | bellard | } |
1297 | 1fddef4b | bellard | return sig;
|
1298 | 1fddef4b | bellard | } |
1299 | e9009676 | bellard | |
1300 | e9009676 | bellard | /* Tell the remote gdb that the process has exited. */
|
1301 | e9009676 | bellard | void gdb_exit(CPUState *env, int code) |
1302 | e9009676 | bellard | { |
1303 | e9009676 | bellard | GDBState *s; |
1304 | e9009676 | bellard | char buf[4]; |
1305 | e9009676 | bellard | |
1306 | e9009676 | bellard | if (gdbserver_fd < 0) |
1307 | e9009676 | bellard | return;
|
1308 | e9009676 | bellard | |
1309 | e9009676 | bellard | s = &gdbserver_state; |
1310 | e9009676 | bellard | |
1311 | e9009676 | bellard | snprintf(buf, sizeof(buf), "W%02x", code); |
1312 | e9009676 | bellard | put_packet(s, buf); |
1313 | e9009676 | bellard | } |
1314 | e9009676 | bellard | |
1315 | 1fddef4b | bellard | |
1316 | 7c9d8e07 | bellard | static void gdb_accept(void *opaque) |
1317 | 858693c6 | bellard | { |
1318 | 858693c6 | bellard | GDBState *s; |
1319 | 858693c6 | bellard | struct sockaddr_in sockaddr;
|
1320 | 858693c6 | bellard | socklen_t len; |
1321 | 858693c6 | bellard | int val, fd;
|
1322 | 858693c6 | bellard | |
1323 | 858693c6 | bellard | for(;;) {
|
1324 | 858693c6 | bellard | len = sizeof(sockaddr);
|
1325 | 858693c6 | bellard | fd = accept(gdbserver_fd, (struct sockaddr *)&sockaddr, &len);
|
1326 | 858693c6 | bellard | if (fd < 0 && errno != EINTR) { |
1327 | 858693c6 | bellard | perror("accept");
|
1328 | 858693c6 | bellard | return;
|
1329 | 858693c6 | bellard | } else if (fd >= 0) { |
1330 | b4608c04 | bellard | break;
|
1331 | b4608c04 | bellard | } |
1332 | b4608c04 | bellard | } |
1333 | 858693c6 | bellard | |
1334 | 858693c6 | bellard | /* set short latency */
|
1335 | 858693c6 | bellard | val = 1;
|
1336 | 8f447cc7 | bellard | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
1337 | 3b46e624 | ths | |
1338 | 1fddef4b | bellard | s = &gdbserver_state; |
1339 | 1fddef4b | bellard | memset (s, 0, sizeof (GDBState)); |
1340 | 6a00d601 | bellard | s->env = first_cpu; /* XXX: allow to change CPU */
|
1341 | 858693c6 | bellard | s->fd = fd; |
1342 | 858693c6 | bellard | |
1343 | a2d1ebaf | pbrook | gdb_syscall_state = s; |
1344 | a2d1ebaf | pbrook | |
1345 | 858693c6 | bellard | fcntl(fd, F_SETFL, O_NONBLOCK); |
1346 | 858693c6 | bellard | } |
1347 | 858693c6 | bellard | |
1348 | 858693c6 | bellard | static int gdbserver_open(int port) |
1349 | 858693c6 | bellard | { |
1350 | 858693c6 | bellard | struct sockaddr_in sockaddr;
|
1351 | 858693c6 | bellard | int fd, val, ret;
|
1352 | 858693c6 | bellard | |
1353 | 858693c6 | bellard | fd = socket(PF_INET, SOCK_STREAM, 0);
|
1354 | 858693c6 | bellard | if (fd < 0) { |
1355 | 858693c6 | bellard | perror("socket");
|
1356 | 858693c6 | bellard | return -1; |
1357 | 858693c6 | bellard | } |
1358 | 858693c6 | bellard | |
1359 | 858693c6 | bellard | /* allow fast reuse */
|
1360 | 858693c6 | bellard | val = 1;
|
1361 | 8f447cc7 | bellard | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val)); |
1362 | 858693c6 | bellard | |
1363 | 858693c6 | bellard | sockaddr.sin_family = AF_INET; |
1364 | 858693c6 | bellard | sockaddr.sin_port = htons(port); |
1365 | 858693c6 | bellard | sockaddr.sin_addr.s_addr = 0;
|
1366 | 858693c6 | bellard | ret = bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr)); |
1367 | 858693c6 | bellard | if (ret < 0) { |
1368 | 858693c6 | bellard | perror("bind");
|
1369 | 858693c6 | bellard | return -1; |
1370 | 858693c6 | bellard | } |
1371 | 858693c6 | bellard | ret = listen(fd, 0);
|
1372 | 858693c6 | bellard | if (ret < 0) { |
1373 | 858693c6 | bellard | perror("listen");
|
1374 | 858693c6 | bellard | return -1; |
1375 | 858693c6 | bellard | } |
1376 | 858693c6 | bellard | return fd;
|
1377 | 858693c6 | bellard | } |
1378 | 858693c6 | bellard | |
1379 | 858693c6 | bellard | int gdbserver_start(int port) |
1380 | 858693c6 | bellard | { |
1381 | 858693c6 | bellard | gdbserver_fd = gdbserver_open(port); |
1382 | 858693c6 | bellard | if (gdbserver_fd < 0) |
1383 | 858693c6 | bellard | return -1; |
1384 | 858693c6 | bellard | /* accept connections */
|
1385 | 7c9d8e07 | bellard | gdb_accept (NULL);
|
1386 | 4046d913 | pbrook | return 0; |
1387 | 4046d913 | pbrook | } |
1388 | 1fddef4b | bellard | #else
|
1389 | aa1f17c1 | ths | static int gdb_chr_can_receive(void *opaque) |
1390 | 4046d913 | pbrook | { |
1391 | 4046d913 | pbrook | return 1; |
1392 | 4046d913 | pbrook | } |
1393 | 4046d913 | pbrook | |
1394 | aa1f17c1 | ths | static void gdb_chr_receive(void *opaque, const uint8_t *buf, int size) |
1395 | 4046d913 | pbrook | { |
1396 | 4046d913 | pbrook | GDBState *s = opaque; |
1397 | 4046d913 | pbrook | int i;
|
1398 | 4046d913 | pbrook | |
1399 | 4046d913 | pbrook | for (i = 0; i < size; i++) { |
1400 | 4046d913 | pbrook | gdb_read_byte(s, buf[i]); |
1401 | 4046d913 | pbrook | } |
1402 | 4046d913 | pbrook | } |
1403 | 4046d913 | pbrook | |
1404 | 4046d913 | pbrook | static void gdb_chr_event(void *opaque, int event) |
1405 | 4046d913 | pbrook | { |
1406 | 4046d913 | pbrook | switch (event) {
|
1407 | 4046d913 | pbrook | case CHR_EVENT_RESET:
|
1408 | 4046d913 | pbrook | vm_stop(EXCP_INTERRUPT); |
1409 | a2d1ebaf | pbrook | gdb_syscall_state = opaque; |
1410 | 4046d913 | pbrook | break;
|
1411 | 4046d913 | pbrook | default:
|
1412 | 4046d913 | pbrook | break;
|
1413 | 4046d913 | pbrook | } |
1414 | 4046d913 | pbrook | } |
1415 | 4046d913 | pbrook | |
1416 | cfc3475a | pbrook | int gdbserver_start(const char *port) |
1417 | 4046d913 | pbrook | { |
1418 | 4046d913 | pbrook | GDBState *s; |
1419 | cfc3475a | pbrook | char gdbstub_port_name[128]; |
1420 | cfc3475a | pbrook | int port_num;
|
1421 | cfc3475a | pbrook | char *p;
|
1422 | cfc3475a | pbrook | CharDriverState *chr; |
1423 | cfc3475a | pbrook | |
1424 | cfc3475a | pbrook | if (!port || !*port)
|
1425 | cfc3475a | pbrook | return -1; |
1426 | 4046d913 | pbrook | |
1427 | cfc3475a | pbrook | port_num = strtol(port, &p, 10);
|
1428 | cfc3475a | pbrook | if (*p == 0) { |
1429 | cfc3475a | pbrook | /* A numeric value is interpreted as a port number. */
|
1430 | cfc3475a | pbrook | snprintf(gdbstub_port_name, sizeof(gdbstub_port_name),
|
1431 | cfc3475a | pbrook | "tcp::%d,nowait,nodelay,server", port_num);
|
1432 | cfc3475a | pbrook | port = gdbstub_port_name; |
1433 | cfc3475a | pbrook | } |
1434 | cfc3475a | pbrook | |
1435 | cfc3475a | pbrook | chr = qemu_chr_open(port); |
1436 | 4046d913 | pbrook | if (!chr)
|
1437 | 4046d913 | pbrook | return -1; |
1438 | 4046d913 | pbrook | |
1439 | 4046d913 | pbrook | s = qemu_mallocz(sizeof(GDBState));
|
1440 | 4046d913 | pbrook | if (!s) {
|
1441 | 4046d913 | pbrook | return -1; |
1442 | 4046d913 | pbrook | } |
1443 | 4046d913 | pbrook | s->env = first_cpu; /* XXX: allow to change CPU */
|
1444 | 4046d913 | pbrook | s->chr = chr; |
1445 | aa1f17c1 | ths | qemu_chr_add_handlers(chr, gdb_chr_can_receive, gdb_chr_receive, |
1446 | 4046d913 | pbrook | gdb_chr_event, s); |
1447 | 4046d913 | pbrook | qemu_add_vm_stop_handler(gdb_vm_stopped, s); |
1448 | b4608c04 | bellard | return 0; |
1449 | b4608c04 | bellard | } |
1450 | 4046d913 | pbrook | #endif |