| 1 |
/* |
| 2 |
* Copyright (C) 2004-2007 Anders Gavare. All rights reserved. |
| 3 |
* |
| 4 |
* Redistribution and use in source and binary forms, with or without |
| 5 |
* modification, are permitted provided that the following conditions are met: |
| 6 |
* |
| 7 |
* 1. Redistributions of source code must retain the above copyright |
| 8 |
* notice, this list of conditions and the following disclaimer. |
| 9 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 10 |
* notice, this list of conditions and the following disclaimer in the |
| 11 |
* documentation and/or other materials provided with the distribution. |
| 12 |
* 3. The name of the author may not be used to endorse or promote products |
| 13 |
* derived from this software without specific prior written permission. |
| 14 |
* |
| 15 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 16 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 19 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 21 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 22 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 23 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 24 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 25 |
* SUCH DAMAGE. |
| 26 |
* |
| 27 |
* |
| 28 |
* $Id: debugger_cmds.c,v 1.10 2006/12/30 13:30:56 debug Exp $ |
| 29 |
* |
| 30 |
* Debugger commands. Included from debugger.c. |
| 31 |
*/ |
| 32 |
|
| 33 |
|
| 34 |
/* |
| 35 |
* debugger_cmd_allsettings(): |
| 36 |
*/ |
| 37 |
static void debugger_cmd_allsettings(struct machine *m, char *cmd_line) |
| 38 |
{ |
| 39 |
settings_debugdump(global_settings, GLOBAL_SETTINGS_NAME, 1); |
| 40 |
} |
| 41 |
|
| 42 |
|
| 43 |
/* |
| 44 |
* debugger_cmd_breakpoint(): |
| 45 |
* |
| 46 |
* TODO: automagic "expansion" for the subcommand names (s => show). |
| 47 |
*/ |
| 48 |
static void debugger_cmd_breakpoint(struct machine *m, char *cmd_line) |
| 49 |
{ |
| 50 |
int i, res; |
| 51 |
|
| 52 |
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
| 53 |
cmd_line ++; |
| 54 |
|
| 55 |
if (cmd_line[0] == '\0') { |
| 56 |
printf("syntax: breakpoint subcmd [args...]\n"); |
| 57 |
printf("Available subcmds (and args) are:\n"); |
| 58 |
printf(" add addr add a breakpoint for address addr\n"); |
| 59 |
printf(" delete x delete breakpoint nr x\n"); |
| 60 |
printf(" show show current breakpoints\n"); |
| 61 |
return; |
| 62 |
} |
| 63 |
|
| 64 |
if (strcmp(cmd_line, "show") == 0) { |
| 65 |
if (m->n_breakpoints == 0) |
| 66 |
printf("No breakpoints set.\n"); |
| 67 |
for (i=0; i<m->n_breakpoints; i++) |
| 68 |
show_breakpoint(m, i); |
| 69 |
return; |
| 70 |
} |
| 71 |
|
| 72 |
if (strncmp(cmd_line, "delete ", 7) == 0) { |
| 73 |
int x = atoi(cmd_line + 7); |
| 74 |
|
| 75 |
if (m->n_breakpoints == 0) { |
| 76 |
printf("No breakpoints set.\n"); |
| 77 |
return; |
| 78 |
} |
| 79 |
if (x < 0 || x >= m->n_breakpoints) { |
| 80 |
printf("Invalid breakpoint nr %i. Use 'breakpoint " |
| 81 |
"show' to see the current breakpoints.\n", x); |
| 82 |
return; |
| 83 |
} |
| 84 |
|
| 85 |
free(m->breakpoint_string[x]); |
| 86 |
|
| 87 |
for (i=x; i<m->n_breakpoints-1; i++) { |
| 88 |
m->breakpoint_addr[i] = m->breakpoint_addr[i+1]; |
| 89 |
m->breakpoint_string[i] = m->breakpoint_string[i+1]; |
| 90 |
m->breakpoint_flags[i] = m->breakpoint_flags[i+1]; |
| 91 |
} |
| 92 |
m->n_breakpoints --; |
| 93 |
|
| 94 |
/* Clear translations: */ |
| 95 |
for (i=0; i<m->ncpus; i++) |
| 96 |
if (m->cpus[i]->translation_cache != NULL) |
| 97 |
cpu_create_or_reset_tc(m->cpus[i]); |
| 98 |
return; |
| 99 |
} |
| 100 |
|
| 101 |
if (strncmp(cmd_line, "add ", 4) == 0) { |
| 102 |
uint64_t tmp; |
| 103 |
size_t breakpoint_buf_len; |
| 104 |
|
| 105 |
if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
| 106 |
printf("Too many breakpoints. (You need to recompile" |
| 107 |
" gxemul to increase this. Max = %i.)\n", |
| 108 |
MAX_BREAKPOINTS); |
| 109 |
return; |
| 110 |
} |
| 111 |
|
| 112 |
i = m->n_breakpoints; |
| 113 |
|
| 114 |
res = debugger_parse_expression(m, cmd_line + 4, 0, &tmp); |
| 115 |
if (!res) { |
| 116 |
printf("Couldn't parse '%s'\n", cmd_line + 4); |
| 117 |
return; |
| 118 |
} |
| 119 |
|
| 120 |
breakpoint_buf_len = strlen(cmd_line+4) + 1; |
| 121 |
m->breakpoint_string[i] = malloc(breakpoint_buf_len); |
| 122 |
if (m->breakpoint_string[i] == NULL) { |
| 123 |
printf("out of memory in debugger_cmd_breakpoint()\n"); |
| 124 |
exit(1); |
| 125 |
} |
| 126 |
strlcpy(m->breakpoint_string[i], cmd_line+4, |
| 127 |
breakpoint_buf_len); |
| 128 |
m->breakpoint_addr[i] = tmp; |
| 129 |
m->breakpoint_flags[i] = 0; |
| 130 |
|
| 131 |
m->n_breakpoints ++; |
| 132 |
show_breakpoint(m, i); |
| 133 |
|
| 134 |
/* Clear translations: */ |
| 135 |
for (i=0; i<m->ncpus; i++) |
| 136 |
if (m->cpus[i]->translation_cache != NULL) |
| 137 |
cpu_create_or_reset_tc(m->cpus[i]); |
| 138 |
return; |
| 139 |
} |
| 140 |
|
| 141 |
printf("Unknown breakpoint subcommand.\n"); |
| 142 |
} |
| 143 |
|
| 144 |
|
| 145 |
/* |
| 146 |
* debugger_cmd_continue(): |
| 147 |
*/ |
| 148 |
static void debugger_cmd_continue(struct machine *m, char *cmd_line) |
| 149 |
{ |
| 150 |
if (*cmd_line) { |
| 151 |
printf("syntax: continue\n"); |
| 152 |
return; |
| 153 |
} |
| 154 |
|
| 155 |
exit_debugger = 1; |
| 156 |
} |
| 157 |
|
| 158 |
|
| 159 |
/* |
| 160 |
* debugger_cmd_device(): |
| 161 |
*/ |
| 162 |
static void debugger_cmd_device(struct machine *m, char *cmd_line) |
| 163 |
{ |
| 164 |
int i; |
| 165 |
struct memory *mem; |
| 166 |
struct cpu *c; |
| 167 |
|
| 168 |
if (cmd_line[0] == '\0') |
| 169 |
goto return_help; |
| 170 |
|
| 171 |
if (m->cpus == NULL) { |
| 172 |
printf("No cpus (?)\n"); |
| 173 |
return; |
| 174 |
} |
| 175 |
c = m->cpus[m->bootstrap_cpu]; |
| 176 |
if (c == NULL) { |
| 177 |
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
| 178 |
return; |
| 179 |
} |
| 180 |
mem = m->cpus[m->bootstrap_cpu]->mem; |
| 181 |
|
| 182 |
if (m->cpus == NULL) { |
| 183 |
printf("No cpus (?)\n"); |
| 184 |
return; |
| 185 |
} |
| 186 |
c = m->cpus[m->bootstrap_cpu]; |
| 187 |
if (c == NULL) { |
| 188 |
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
| 189 |
return; |
| 190 |
} |
| 191 |
mem = m->cpus[m->bootstrap_cpu]->mem; |
| 192 |
|
| 193 |
if (strcmp(cmd_line, "all") == 0) { |
| 194 |
device_dumplist(); |
| 195 |
} else if (strncmp(cmd_line, "add ", 4) == 0) { |
| 196 |
device_add(m, cmd_line+4); |
| 197 |
} else if (strcmp(cmd_line, "consoles") == 0) { |
| 198 |
console_debug_dump(m); |
| 199 |
} else if (strncmp(cmd_line, "remove ", 7) == 0) { |
| 200 |
i = atoi(cmd_line + 7); |
| 201 |
if (i==0 && cmd_line[7]!='0') { |
| 202 |
printf("Weird device number. Use 'device list'.\n"); |
| 203 |
} else |
| 204 |
memory_device_remove(m->memory, i); |
| 205 |
} else if (strcmp(cmd_line, "list") == 0) { |
| 206 |
if (mem->n_mmapped_devices == 0) |
| 207 |
printf("No memory-mapped devices in this machine.\n"); |
| 208 |
|
| 209 |
for (i=0; i<mem->n_mmapped_devices; i++) { |
| 210 |
printf("%2i: %25s @ 0x%011"PRIx64", len = 0x%"PRIx64, |
| 211 |
i, mem->devices[i].name, |
| 212 |
(uint64_t) mem->devices[i].baseaddr, |
| 213 |
(uint64_t) mem->devices[i].length); |
| 214 |
|
| 215 |
if (mem->devices[i].flags) { |
| 216 |
printf(" ("); |
| 217 |
if (mem->devices[i].flags & DM_DYNTRANS_OK) |
| 218 |
printf("DYNTRANS R"); |
| 219 |
if (mem->devices[i].flags &DM_DYNTRANS_WRITE_OK) |
| 220 |
printf("+W"); |
| 221 |
printf(")"); |
| 222 |
} |
| 223 |
printf("\n"); |
| 224 |
} |
| 225 |
} else |
| 226 |
goto return_help; |
| 227 |
|
| 228 |
return; |
| 229 |
|
| 230 |
return_help: |
| 231 |
printf("syntax: devices cmd [...]\n"); |
| 232 |
printf("Available cmds are:\n"); |
| 233 |
printf(" add name_and_params add a device to the current " |
| 234 |
"machine\n"); |
| 235 |
printf(" all list all registered devices\n"); |
| 236 |
printf(" consoles list all slave consoles\n"); |
| 237 |
printf(" list list memory-mapped devices in the" |
| 238 |
" current machine\n"); |
| 239 |
printf(" remove x remove device nr x from the " |
| 240 |
"current machine\n"); |
| 241 |
} |
| 242 |
|
| 243 |
|
| 244 |
/* |
| 245 |
* debugger_cmd_dump(): |
| 246 |
* |
| 247 |
* Dump emulated memory in hex and ASCII. |
| 248 |
* |
| 249 |
* syntax: dump [addr [endaddr]] |
| 250 |
*/ |
| 251 |
static void debugger_cmd_dump(struct machine *m, char *cmd_line) |
| 252 |
{ |
| 253 |
uint64_t addr, addr_start, addr_end; |
| 254 |
struct cpu *c; |
| 255 |
struct memory *mem; |
| 256 |
char *p = NULL; |
| 257 |
int x, r; |
| 258 |
|
| 259 |
if (cmd_line[0] != '\0') { |
| 260 |
uint64_t tmp; |
| 261 |
char *tmps = strdup(cmd_line); |
| 262 |
|
| 263 |
/* addr: */ |
| 264 |
p = strchr(tmps, ' '); |
| 265 |
if (p != NULL) |
| 266 |
*p = '\0'; |
| 267 |
r = debugger_parse_expression(m, tmps, 0, &tmp); |
| 268 |
free(tmps); |
| 269 |
|
| 270 |
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
| 271 |
printf("Unparsable address: %s\n", cmd_line); |
| 272 |
return; |
| 273 |
} else { |
| 274 |
last_dump_addr = tmp; |
| 275 |
} |
| 276 |
|
| 277 |
p = strchr(cmd_line, ' '); |
| 278 |
} |
| 279 |
|
| 280 |
if (m->cpus == NULL) { |
| 281 |
printf("No cpus (?)\n"); |
| 282 |
return; |
| 283 |
} |
| 284 |
c = m->cpus[m->bootstrap_cpu]; |
| 285 |
if (c == NULL) { |
| 286 |
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
| 287 |
return; |
| 288 |
} |
| 289 |
mem = m->cpus[m->bootstrap_cpu]->mem; |
| 290 |
|
| 291 |
addr_start = last_dump_addr; |
| 292 |
|
| 293 |
if (addr_start == MAGIC_UNTOUCHED) |
| 294 |
addr_start = c->pc; |
| 295 |
|
| 296 |
addr_end = addr_start + 16 * 16; |
| 297 |
|
| 298 |
/* endaddr: */ |
| 299 |
if (p != NULL) { |
| 300 |
while (*p == ' ' && *p) |
| 301 |
p++; |
| 302 |
r = debugger_parse_expression(m, p, 0, &addr_end); |
| 303 |
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
| 304 |
printf("Unparsable address: %s\n", cmd_line); |
| 305 |
return; |
| 306 |
} |
| 307 |
} |
| 308 |
|
| 309 |
addr = addr_start & ~0xf; |
| 310 |
|
| 311 |
ctrl_c = 0; |
| 312 |
|
| 313 |
while (addr < addr_end) { |
| 314 |
unsigned char buf[16]; |
| 315 |
memset(buf, 0, sizeof(buf)); |
| 316 |
r = c->memory_rw(c, mem, addr, &buf[0], sizeof(buf), |
| 317 |
MEM_READ, CACHE_NONE | NO_EXCEPTIONS); |
| 318 |
|
| 319 |
if (c->is_32bit) |
| 320 |
printf("0x%08"PRIx32" ", (uint32_t) addr); |
| 321 |
else |
| 322 |
printf("0x%016"PRIx64" ", (uint64_t) addr); |
| 323 |
|
| 324 |
if (r == MEMORY_ACCESS_FAILED) |
| 325 |
printf("(memory access failed)\n"); |
| 326 |
else { |
| 327 |
for (x=0; x<16; x++) { |
| 328 |
if (addr + x >= addr_start && |
| 329 |
addr + x < addr_end) |
| 330 |
printf("%02x%s", buf[x], |
| 331 |
(x&3)==3? " " : ""); |
| 332 |
else |
| 333 |
printf(" %s", (x&3)==3? " " : ""); |
| 334 |
} |
| 335 |
printf(" "); |
| 336 |
for (x=0; x<16; x++) { |
| 337 |
if (addr + x >= addr_start && |
| 338 |
addr + x < addr_end) |
| 339 |
printf("%c", (buf[x]>=' ' && |
| 340 |
buf[x]<127)? buf[x] : '.'); |
| 341 |
else |
| 342 |
printf(" "); |
| 343 |
} |
| 344 |
printf("\n"); |
| 345 |
} |
| 346 |
|
| 347 |
if (ctrl_c) |
| 348 |
return; |
| 349 |
|
| 350 |
addr += sizeof(buf); |
| 351 |
} |
| 352 |
|
| 353 |
last_dump_addr = addr_end; |
| 354 |
|
| 355 |
strlcpy(repeat_cmd, "dump", MAX_CMD_BUFLEN); |
| 356 |
} |
| 357 |
|
| 358 |
|
| 359 |
/* |
| 360 |
* debugger_cmd_emuls(): |
| 361 |
* |
| 362 |
* Dump info about all current emuls. |
| 363 |
*/ |
| 364 |
static void debugger_cmd_emuls(struct machine *m, char *cmd_line) |
| 365 |
{ |
| 366 |
int i, iadd = DEBUG_INDENTATION; |
| 367 |
|
| 368 |
if (*cmd_line) { |
| 369 |
printf("syntax: emuls\n"); |
| 370 |
return; |
| 371 |
} |
| 372 |
|
| 373 |
for (i=0; i<debugger_n_emuls; i++) { |
| 374 |
struct emul *e = debugger_emuls[i]; |
| 375 |
|
| 376 |
if (e == NULL) |
| 377 |
continue; |
| 378 |
|
| 379 |
debug("emulation %i: \"%s\"\n", i, |
| 380 |
e->name == NULL? "(no name)" : e->name); |
| 381 |
debug_indentation(iadd); |
| 382 |
|
| 383 |
emul_dumpinfo(e); |
| 384 |
|
| 385 |
debug_indentation(-iadd); |
| 386 |
} |
| 387 |
} |
| 388 |
|
| 389 |
|
| 390 |
/* |
| 391 |
* debugger_cmd_focus(): |
| 392 |
* |
| 393 |
* Changes focus to specific cpu, in a specific machine (in a specific |
| 394 |
* emulation). |
| 395 |
*/ |
| 396 |
static void debugger_cmd_focus(struct machine *m, char *cmd_line) |
| 397 |
{ |
| 398 |
int x = -1, y = -1, z = -1; |
| 399 |
char *p, *p2; |
| 400 |
|
| 401 |
if (!cmd_line[0]) { |
| 402 |
printf("syntax: focus x[,y,[,z]]\n"); |
| 403 |
printf("where x (cpu id), y (machine number), and z (emul " |
| 404 |
"number) are integers as\nreported by the 'emuls'" |
| 405 |
" command.\n"); |
| 406 |
goto print_current_focus_and_return; |
| 407 |
} |
| 408 |
|
| 409 |
x = atoi(cmd_line); |
| 410 |
p = strchr(cmd_line, ','); |
| 411 |
if (p == cmd_line) { |
| 412 |
printf("No cpu number specified?\n"); |
| 413 |
return; |
| 414 |
} |
| 415 |
|
| 416 |
if (p != NULL) { |
| 417 |
y = atoi(p+1); |
| 418 |
p2 = strchr(p+1, ','); |
| 419 |
if (p2 == p+1) { |
| 420 |
printf("No machine number specified?\n"); |
| 421 |
return; |
| 422 |
} |
| 423 |
|
| 424 |
if (p2 != NULL) |
| 425 |
z = atoi(p2 + 1); |
| 426 |
} |
| 427 |
|
| 428 |
if (z != -1) { |
| 429 |
/* Change emul: */ |
| 430 |
if (z < 0 || z >= debugger_n_emuls) { |
| 431 |
printf("Invalid emul number: %i\n", z); |
| 432 |
return; |
| 433 |
} |
| 434 |
|
| 435 |
debugger_cur_emul = z; |
| 436 |
debugger_emul = debugger_emuls[z]; |
| 437 |
|
| 438 |
/* This is just in case the machine change below fails... */ |
| 439 |
debugger_machine = debugger_emul->machines[0]; |
| 440 |
} |
| 441 |
|
| 442 |
if (y != -1) { |
| 443 |
/* Change machine: */ |
| 444 |
if (y < 0 || y >= debugger_emul->n_machines) { |
| 445 |
printf("Invalid machine number: %i\n", y); |
| 446 |
return; |
| 447 |
} |
| 448 |
|
| 449 |
debugger_cur_machine = y; |
| 450 |
debugger_machine = debugger_emul->machines[y]; |
| 451 |
} |
| 452 |
|
| 453 |
/* Change cpu: */ |
| 454 |
if (x < 0 || x >= debugger_machine->ncpus) { |
| 455 |
printf("Invalid cpu number: %i\n", x); |
| 456 |
return; |
| 457 |
} |
| 458 |
|
| 459 |
debugger_cur_cpu = x; |
| 460 |
|
| 461 |
print_current_focus_and_return: |
| 462 |
if (debugger_n_emuls > 1) |
| 463 |
printf("current emul (%i): \"%s\"\n", |
| 464 |
debugger_cur_emul, debugger_emul->name == NULL? |
| 465 |
"(no name)" : debugger_emul->name); |
| 466 |
|
| 467 |
if (debugger_emul->n_machines > 1) |
| 468 |
printf("current machine (%i): \"%s\"\n", |
| 469 |
debugger_cur_machine, debugger_machine->name == NULL? |
| 470 |
"(no name)" : debugger_machine->name); |
| 471 |
|
| 472 |
printf("current cpu (%i)\n", debugger_cur_cpu); |
| 473 |
} |
| 474 |
|
| 475 |
|
| 476 |
/* This is defined below. */ |
| 477 |
static void debugger_cmd_help(struct machine *m, char *cmd_line); |
| 478 |
|
| 479 |
|
| 480 |
/* |
| 481 |
* debugger_cmd_itrace(): |
| 482 |
*/ |
| 483 |
static void debugger_cmd_itrace(struct machine *m, char *cmd_line) |
| 484 |
{ |
| 485 |
if (*cmd_line) { |
| 486 |
printf("syntax: itrace\n"); |
| 487 |
return; |
| 488 |
} |
| 489 |
|
| 490 |
old_instruction_trace = 1 - old_instruction_trace; |
| 491 |
printf("instruction_trace = %s\n", old_instruction_trace? "ON":"OFF"); |
| 492 |
/* TODO: how to preserve quiet_mode? */ |
| 493 |
old_quiet_mode = 0; |
| 494 |
printf("quiet_mode = %s\n", old_quiet_mode? "ON" : "OFF"); |
| 495 |
} |
| 496 |
|
| 497 |
|
| 498 |
/* |
| 499 |
* debugger_cmd_lookup(): |
| 500 |
*/ |
| 501 |
static void debugger_cmd_lookup(struct machine *m, char *cmd_line) |
| 502 |
{ |
| 503 |
uint64_t addr; |
| 504 |
int res; |
| 505 |
char *symbol; |
| 506 |
uint64_t offset; |
| 507 |
|
| 508 |
if (cmd_line[0] == '\0') { |
| 509 |
printf("syntax: lookup name|addr\n"); |
| 510 |
return; |
| 511 |
|
| 512 |
} |
| 513 |
|
| 514 |
/* Addresses never need to be given in decimal form anyway, |
| 515 |
so assuming hex here will be ok. */ |
| 516 |
addr = strtoull(cmd_line, NULL, 16); |
| 517 |
|
| 518 |
if (addr == 0) { |
| 519 |
uint64_t newaddr; |
| 520 |
res = get_symbol_addr(&m->symbol_context, |
| 521 |
cmd_line, &newaddr); |
| 522 |
if (!res) { |
| 523 |
printf("lookup for '%s' failed\n", cmd_line); |
| 524 |
return; |
| 525 |
} |
| 526 |
printf("%s = 0x", cmd_line); |
| 527 |
if (m->cpus[0]->is_32bit) |
| 528 |
printf("%08"PRIx32"\n", (uint32_t) newaddr); |
| 529 |
else |
| 530 |
printf("%016"PRIx64"\n", (uint64_t) newaddr); |
| 531 |
return; |
| 532 |
} |
| 533 |
|
| 534 |
symbol = get_symbol_name(&m->symbol_context, addr, &offset); |
| 535 |
|
| 536 |
if (symbol != NULL) { |
| 537 |
if (m->cpus[0]->is_32bit) |
| 538 |
printf("0x%08"PRIx32, (uint32_t) addr); |
| 539 |
else |
| 540 |
printf("0x%016"PRIx64, (uint64_t) addr); |
| 541 |
printf(" = %s\n", symbol); |
| 542 |
} else |
| 543 |
printf("lookup for '%s' failed\n", cmd_line); |
| 544 |
} |
| 545 |
|
| 546 |
|
| 547 |
/* |
| 548 |
* debugger_cmd_machine(): |
| 549 |
* |
| 550 |
* Dump info about the currently focused machine. |
| 551 |
*/ |
| 552 |
static void debugger_cmd_machine(struct machine *m, char *cmd_line) |
| 553 |
{ |
| 554 |
int iadd = DEBUG_INDENTATION; |
| 555 |
|
| 556 |
if (*cmd_line) { |
| 557 |
printf("syntax: machine\n"); |
| 558 |
return; |
| 559 |
} |
| 560 |
|
| 561 |
debug("machine \"%s\":\n", m->name); |
| 562 |
debug_indentation(iadd); |
| 563 |
machine_dumpinfo(m); |
| 564 |
debug_indentation(-iadd); |
| 565 |
} |
| 566 |
|
| 567 |
|
| 568 |
/* |
| 569 |
* debugger_cmd_ninstrs(): |
| 570 |
*/ |
| 571 |
static void debugger_cmd_ninstrs(struct machine *m, char *cmd_line) |
| 572 |
{ |
| 573 |
int toggle = 1; |
| 574 |
int previous_mode = m->show_nr_of_instructions; |
| 575 |
|
| 576 |
if (cmd_line[0] != '\0') { |
| 577 |
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
| 578 |
cmd_line ++; |
| 579 |
switch (cmd_line[0]) { |
| 580 |
case '0': |
| 581 |
toggle = 0; |
| 582 |
m->show_nr_of_instructions = 0; |
| 583 |
break; |
| 584 |
case '1': |
| 585 |
toggle = 0; |
| 586 |
m->show_nr_of_instructions = 1; |
| 587 |
break; |
| 588 |
case 'o': |
| 589 |
case 'O': |
| 590 |
toggle = 0; |
| 591 |
switch (cmd_line[1]) { |
| 592 |
case 'n': |
| 593 |
case 'N': |
| 594 |
m->show_nr_of_instructions = 1; |
| 595 |
break; |
| 596 |
default: |
| 597 |
m->show_nr_of_instructions = 0; |
| 598 |
} |
| 599 |
break; |
| 600 |
default: |
| 601 |
printf("syntax: trace [on|off]\n"); |
| 602 |
return; |
| 603 |
} |
| 604 |
} |
| 605 |
|
| 606 |
if (toggle) |
| 607 |
m->show_nr_of_instructions = !m->show_nr_of_instructions; |
| 608 |
|
| 609 |
printf("show_nr_of_instructions = %s", |
| 610 |
m->show_nr_of_instructions? "ON" : "OFF"); |
| 611 |
if (m->show_nr_of_instructions != previous_mode) |
| 612 |
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
| 613 |
printf("\n"); |
| 614 |
} |
| 615 |
|
| 616 |
|
| 617 |
/* |
| 618 |
* debugger_cmd_pause(): |
| 619 |
*/ |
| 620 |
static void debugger_cmd_pause(struct machine *m, char *cmd_line) |
| 621 |
{ |
| 622 |
int cpuid = -1; |
| 623 |
|
| 624 |
if (cmd_line[0] != '\0') |
| 625 |
cpuid = atoi(cmd_line); |
| 626 |
else { |
| 627 |
printf("syntax: pause cpuid\n"); |
| 628 |
return; |
| 629 |
} |
| 630 |
|
| 631 |
if (cpuid < 0 || cpuid >= m->ncpus) { |
| 632 |
printf("cpu%i doesn't exist.\n", cpuid); |
| 633 |
return; |
| 634 |
} |
| 635 |
|
| 636 |
m->cpus[cpuid]->running ^= 1; |
| 637 |
|
| 638 |
printf("cpu%i (%s) in machine \"%s\" is now %s\n", cpuid, |
| 639 |
m->cpus[cpuid]->name, m->name, |
| 640 |
m->cpus[cpuid]->running? "RUNNING" : "STOPPED"); |
| 641 |
} |
| 642 |
|
| 643 |
|
| 644 |
/* |
| 645 |
* debugger_cmd_print(): |
| 646 |
*/ |
| 647 |
static void debugger_cmd_print(struct machine *m, char *cmd_line) |
| 648 |
{ |
| 649 |
int res; |
| 650 |
uint64_t tmp; |
| 651 |
|
| 652 |
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
| 653 |
cmd_line ++; |
| 654 |
|
| 655 |
if (cmd_line[0] == '\0') { |
| 656 |
printf("syntax: print expr\n"); |
| 657 |
return; |
| 658 |
} |
| 659 |
|
| 660 |
res = debugger_parse_expression(m, cmd_line, 0, &tmp); |
| 661 |
switch (res) { |
| 662 |
case PARSE_NOMATCH: |
| 663 |
printf("No match.\n"); |
| 664 |
break; |
| 665 |
case PARSE_MULTIPLE: |
| 666 |
printf("Multiple matches. Try prefixing with %%, $, or @.\n"); |
| 667 |
break; |
| 668 |
case PARSE_SETTINGS: |
| 669 |
printf("%s = 0x%"PRIx64"\n", cmd_line, (uint64_t)tmp); |
| 670 |
break; |
| 671 |
case PARSE_SYMBOL: |
| 672 |
if (m->cpus[0]->is_32bit) |
| 673 |
printf("%s = 0x%08"PRIx32"\n", cmd_line, (uint32_t)tmp); |
| 674 |
else |
| 675 |
printf("%s = 0x%016"PRIx64"\n", cmd_line,(uint64_t)tmp); |
| 676 |
break; |
| 677 |
case PARSE_NUMBER: |
| 678 |
printf("0x%"PRIx64"\n", (uint64_t) tmp); |
| 679 |
break; |
| 680 |
} |
| 681 |
} |
| 682 |
|
| 683 |
|
| 684 |
/* |
| 685 |
* debugger_cmd_put(): |
| 686 |
*/ |
| 687 |
static void debugger_cmd_put(struct machine *m, char *cmd_line) |
| 688 |
{ |
| 689 |
static char put_type = ' '; /* Remembered across multiple calls. */ |
| 690 |
char copy[200]; |
| 691 |
int res, syntax_ok = 0; |
| 692 |
char *p, *p2, *q = NULL; |
| 693 |
uint64_t addr, data; |
| 694 |
unsigned char a_byte; |
| 695 |
|
| 696 |
strncpy(copy, cmd_line, sizeof(copy)); |
| 697 |
copy[sizeof(copy)-1] = '\0'; |
| 698 |
|
| 699 |
/* syntax: put [b|h|w|d|q] addr, data */ |
| 700 |
|
| 701 |
p = strchr(copy, ','); |
| 702 |
if (p != NULL) { |
| 703 |
*p++ = '\0'; |
| 704 |
while (*p == ' ' && *p) |
| 705 |
p++; |
| 706 |
while (strlen(copy) >= 1 && |
| 707 |
copy[strlen(copy) - 1] == ' ') |
| 708 |
copy[strlen(copy) - 1] = '\0'; |
| 709 |
|
| 710 |
/* printf("L = '%s', R = '%s'\n", copy, p); */ |
| 711 |
|
| 712 |
q = copy; |
| 713 |
p2 = strchr(q, ' '); |
| 714 |
|
| 715 |
if (p2 != NULL) { |
| 716 |
*p2 = '\0'; |
| 717 |
if (strlen(q) != 1) { |
| 718 |
printf("Invalid type '%s'\n", q); |
| 719 |
return; |
| 720 |
} |
| 721 |
put_type = *q; |
| 722 |
q = p2 + 1; |
| 723 |
} |
| 724 |
|
| 725 |
/* printf("type '%c', L '%s', R '%s'\n", put_type, q, p); */ |
| 726 |
syntax_ok = 1; |
| 727 |
} |
| 728 |
|
| 729 |
if (!syntax_ok) { |
| 730 |
printf("syntax: put [b|h|w|d|q] addr, data\n"); |
| 731 |
printf(" b byte (8 bits)\n"); |
| 732 |
printf(" h half-word (16 bits)\n"); |
| 733 |
printf(" w word (32 bits)\n"); |
| 734 |
printf(" d doubleword (64 bits)\n"); |
| 735 |
printf(" q quad-word (128 bits)\n"); |
| 736 |
return; |
| 737 |
} |
| 738 |
|
| 739 |
if (put_type == ' ') { |
| 740 |
printf("No type specified.\n"); |
| 741 |
return; |
| 742 |
} |
| 743 |
|
| 744 |
/* here: q is the address, p is the data. */ |
| 745 |
res = debugger_parse_expression(m, q, 0, &addr); |
| 746 |
switch (res) { |
| 747 |
case PARSE_NOMATCH: |
| 748 |
printf("Couldn't parse the address.\n"); |
| 749 |
return; |
| 750 |
case PARSE_MULTIPLE: |
| 751 |
printf("Multiple matches for the address." |
| 752 |
" Try prefixing with %%, $, or @.\n"); |
| 753 |
return; |
| 754 |
case PARSE_SETTINGS: |
| 755 |
case PARSE_SYMBOL: |
| 756 |
case PARSE_NUMBER: |
| 757 |
break; |
| 758 |
default: |
| 759 |
printf("INTERNAL ERROR in debugger.c.\n"); |
| 760 |
return; |
| 761 |
} |
| 762 |
|
| 763 |
res = debugger_parse_expression(m, p, 0, &data); |
| 764 |
switch (res) { |
| 765 |
case PARSE_NOMATCH: |
| 766 |
printf("Couldn't parse the data.\n"); |
| 767 |
return; |
| 768 |
case PARSE_MULTIPLE: |
| 769 |
printf("Multiple matches for the data value." |
| 770 |
" Try prefixing with %%, $, or @.\n"); |
| 771 |
return; |
| 772 |
case PARSE_SETTINGS: |
| 773 |
case PARSE_SYMBOL: |
| 774 |
case PARSE_NUMBER: |
| 775 |
break; |
| 776 |
default: |
| 777 |
printf("INTERNAL ERROR in debugger.c.\n"); |
| 778 |
return; |
| 779 |
} |
| 780 |
|
| 781 |
/* TODO: haha, maybe this should be refactored */ |
| 782 |
|
| 783 |
switch (put_type) { |
| 784 |
case 'b': |
| 785 |
a_byte = data; |
| 786 |
if (m->cpus[0]->is_32bit) |
| 787 |
printf("0x%08"PRIx32, (uint32_t) addr); |
| 788 |
else |
| 789 |
printf("0x%016"PRIx64, (uint64_t) addr); |
| 790 |
printf(": %02x", a_byte); |
| 791 |
if (data > 255) |
| 792 |
printf(" (NOTE: truncating %0"PRIx64")", |
| 793 |
(uint64_t) data); |
| 794 |
res = m->cpus[0]->memory_rw(m->cpus[0], m->cpus[0]->mem, addr, |
| 795 |
&a_byte, 1, MEM_WRITE, CACHE_NONE | NO_EXCEPTIONS); |
| 796 |
if (!res) |
| 797 |
printf(" FAILED!\n"); |
| 798 |
printf("\n"); |
| 799 |
return; |
| 800 |
case 'h': |
| 801 |
if ((addr & 1) != 0) |
| 802 |
printf("WARNING: address isn't aligned\n"); |
| 803 |
if (m->cpus[0]->is_32bit) |
| 804 |
printf("0x%08"PRIx32, (uint32_t) addr); |
| 805 |
else |
| 806 |
printf("0x%016"PRIx64, (uint64_t) addr); |
| 807 |
printf(": %04x", (int)data); |
| 808 |
if (data > 0xffff) |
| 809 |
printf(" (NOTE: truncating %0"PRIx64")", |
| 810 |
(uint64_t) data); |
| 811 |
res = store_16bit_word(m->cpus[0], addr, data); |
| 812 |
if (!res) |
| 813 |
printf(" FAILED!\n"); |
| 814 |
printf("\n"); |
| 815 |
return; |
| 816 |
case 'w': |
| 817 |
if ((addr & 3) != 0) |
| 818 |
printf("WARNING: address isn't aligned\n"); |
| 819 |
if (m->cpus[0]->is_32bit) |
| 820 |
printf("0x%08"PRIx32, (uint32_t) addr); |
| 821 |
else |
| 822 |
printf("0x%016"PRIx64, (uint64_t) addr); |
| 823 |
|
| 824 |
printf(": %08x", (int)data); |
| 825 |
|
| 826 |
if (data > 0xffffffff && (data >> 32) != 0 |
| 827 |
&& (data >> 32) != 0xffffffff) |
| 828 |
printf(" (NOTE: truncating %0"PRIx64")", |
| 829 |
(uint64_t) data); |
| 830 |
|
| 831 |
res = store_32bit_word(m->cpus[0], addr, data); |
| 832 |
if (!res) |
| 833 |
printf(" FAILED!\n"); |
| 834 |
printf("\n"); |
| 835 |
return; |
| 836 |
case 'd': |
| 837 |
if ((addr & 7) != 0) |
| 838 |
printf("WARNING: address isn't aligned\n"); |
| 839 |
if (m->cpus[0]->is_32bit) |
| 840 |
printf("0x%08"PRIx32, (uint32_t) addr); |
| 841 |
else |
| 842 |
printf("0x%016"PRIx64, (uint64_t) addr); |
| 843 |
|
| 844 |
printf(": %016"PRIx64, (uint64_t) data); |
| 845 |
|
| 846 |
res = store_64bit_word(m->cpus[0], addr, data); |
| 847 |
if (!res) |
| 848 |
printf(" FAILED!\n"); |
| 849 |
printf("\n"); |
| 850 |
return; |
| 851 |
case 'q': |
| 852 |
printf("quad-words: TODO\n"); |
| 853 |
/* TODO */ |
| 854 |
return; |
| 855 |
default: |
| 856 |
printf("Unimplemented type '%c'\n", put_type); |
| 857 |
return; |
| 858 |
} |
| 859 |
} |
| 860 |
|
| 861 |
|
| 862 |
/* |
| 863 |
* debugger_cmd_quiet(): |
| 864 |
*/ |
| 865 |
static void debugger_cmd_quiet(struct machine *m, char *cmd_line) |
| 866 |
{ |
| 867 |
int toggle = 1; |
| 868 |
int previous_mode = old_quiet_mode; |
| 869 |
|
| 870 |
if (cmd_line[0] != '\0') { |
| 871 |
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
| 872 |
cmd_line ++; |
| 873 |
switch (cmd_line[0]) { |
| 874 |
case '0': |
| 875 |
toggle = 0; |
| 876 |
old_quiet_mode = 0; |
| 877 |
break; |
| 878 |
case '1': |
| 879 |
toggle = 0; |
| 880 |
old_quiet_mode = 1; |
| 881 |
break; |
| 882 |
case 'o': |
| 883 |
case 'O': |
| 884 |
toggle = 0; |
| 885 |
switch (cmd_line[1]) { |
| 886 |
case 'n': |
| 887 |
case 'N': |
| 888 |
old_quiet_mode = 1; |
| 889 |
break; |
| 890 |
default: |
| 891 |
old_quiet_mode = 0; |
| 892 |
} |
| 893 |
break; |
| 894 |
default: |
| 895 |
printf("syntax: quiet [on|off]\n"); |
| 896 |
return; |
| 897 |
} |
| 898 |
} |
| 899 |
|
| 900 |
if (toggle) |
| 901 |
old_quiet_mode = 1 - old_quiet_mode; |
| 902 |
|
| 903 |
printf("quiet_mode = %s", old_quiet_mode? "ON" : "OFF"); |
| 904 |
if (old_quiet_mode != previous_mode) |
| 905 |
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
| 906 |
printf("\n"); |
| 907 |
} |
| 908 |
|
| 909 |
|
| 910 |
/* |
| 911 |
* debugger_cmd_quit(): |
| 912 |
*/ |
| 913 |
static void debugger_cmd_quit(struct machine *m, char *cmd_line) |
| 914 |
{ |
| 915 |
int i, j, k; |
| 916 |
struct emul *e; |
| 917 |
|
| 918 |
if (*cmd_line) { |
| 919 |
printf("syntax: quit\n"); |
| 920 |
return; |
| 921 |
} |
| 922 |
|
| 923 |
for (i=0; i<debugger_n_emuls; i++) { |
| 924 |
single_step = NOT_SINGLE_STEPPING; |
| 925 |
|
| 926 |
e = debugger_emuls[i]; |
| 927 |
force_debugger_at_exit = 0; |
| 928 |
|
| 929 |
for (j=0; j<e->n_machines; j++) { |
| 930 |
struct machine *m = e->machines[j]; |
| 931 |
|
| 932 |
for (k=0; k<m->ncpus; k++) |
| 933 |
m->cpus[k]->running = 0; |
| 934 |
|
| 935 |
m->exit_without_entering_debugger = 1; |
| 936 |
} |
| 937 |
} |
| 938 |
|
| 939 |
exit_debugger = 1; |
| 940 |
} |
| 941 |
|
| 942 |
|
| 943 |
/* |
| 944 |
* debugger_cmd_reg(): |
| 945 |
*/ |
| 946 |
static void debugger_cmd_reg(struct machine *m, char *cmd_line) |
| 947 |
{ |
| 948 |
int cpuid = debugger_cur_cpu, coprocnr = -1; |
| 949 |
int gprs, coprocs; |
| 950 |
char *p; |
| 951 |
|
| 952 |
/* [cpuid][,c] */ |
| 953 |
if (cmd_line[0] != '\0') { |
| 954 |
if (cmd_line[0] != ',') { |
| 955 |
cpuid = strtoull(cmd_line, NULL, 0); |
| 956 |
if (cpuid < 0 || cpuid >= m->ncpus) { |
| 957 |
printf("cpu%i doesn't exist.\n", cpuid); |
| 958 |
return; |
| 959 |
} |
| 960 |
} |
| 961 |
p = strchr(cmd_line, ','); |
| 962 |
if (p != NULL) { |
| 963 |
coprocnr = atoi(p + 1); |
| 964 |
if (coprocnr < 0 || coprocnr >= 4) { |
| 965 |
printf("Invalid coprocessor number.\n"); |
| 966 |
return; |
| 967 |
} |
| 968 |
} |
| 969 |
} |
| 970 |
|
| 971 |
gprs = (coprocnr == -1)? 1 : 0; |
| 972 |
coprocs = (coprocnr == -1)? 0x0 : (1 << coprocnr); |
| 973 |
|
| 974 |
cpu_register_dump(m, m->cpus[cpuid], gprs, coprocs); |
| 975 |
} |
| 976 |
|
| 977 |
|
| 978 |
/* |
| 979 |
* debugger_cmd_step(): |
| 980 |
*/ |
| 981 |
static void debugger_cmd_step(struct machine *m, char *cmd_line) |
| 982 |
{ |
| 983 |
int n = 1; |
| 984 |
|
| 985 |
if (cmd_line[0] != '\0') { |
| 986 |
n = strtoull(cmd_line, NULL, 0); |
| 987 |
if (n < 1) { |
| 988 |
printf("invalid nr of steps\n"); |
| 989 |
return; |
| 990 |
} |
| 991 |
} |
| 992 |
|
| 993 |
debugger_n_steps_left_before_interaction = n - 1; |
| 994 |
|
| 995 |
/* Special hack, see debugger() for more info. */ |
| 996 |
exit_debugger = -1; |
| 997 |
|
| 998 |
strlcpy(repeat_cmd, "step", MAX_CMD_BUFLEN); |
| 999 |
} |
| 1000 |
|
| 1001 |
|
| 1002 |
/* |
| 1003 |
* debugger_cmd_tlbdump(): |
| 1004 |
* |
| 1005 |
* Dump each CPU's TLB contents. |
| 1006 |
*/ |
| 1007 |
static void debugger_cmd_tlbdump(struct machine *m, char *cmd_line) |
| 1008 |
{ |
| 1009 |
int x = -1; |
| 1010 |
int rawflag = 0; |
| 1011 |
|
| 1012 |
if (cmd_line[0] != '\0') { |
| 1013 |
char *p; |
| 1014 |
if (cmd_line[0] != ',') { |
| 1015 |
x = strtoull(cmd_line, NULL, 0); |
| 1016 |
if (x < 0 || x >= m->ncpus) { |
| 1017 |
printf("cpu%i doesn't exist.\n", x); |
| 1018 |
return; |
| 1019 |
} |
| 1020 |
} |
| 1021 |
p = strchr(cmd_line, ','); |
| 1022 |
if (p != NULL) { |
| 1023 |
switch (p[1]) { |
| 1024 |
case 'r': |
| 1025 |
case 'R': |
| 1026 |
rawflag = 1; |
| 1027 |
break; |
| 1028 |
default: |
| 1029 |
printf("Unknown tlbdump flag.\n"); |
| 1030 |
printf("syntax: tlbdump [cpuid][,r]\n"); |
| 1031 |
return; |
| 1032 |
} |
| 1033 |
} |
| 1034 |
} |
| 1035 |
|
| 1036 |
cpu_tlbdump(m, x, rawflag); |
| 1037 |
} |
| 1038 |
|
| 1039 |
|
| 1040 |
/* |
| 1041 |
* debugger_cmd_trace(): |
| 1042 |
*/ |
| 1043 |
static void debugger_cmd_trace(struct machine *m, char *cmd_line) |
| 1044 |
{ |
| 1045 |
int toggle = 1; |
| 1046 |
int previous_mode = old_show_trace_tree; |
| 1047 |
|
| 1048 |
if (cmd_line[0] != '\0') { |
| 1049 |
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
| 1050 |
cmd_line ++; |
| 1051 |
switch (cmd_line[0]) { |
| 1052 |
case '0': |
| 1053 |
toggle = 0; |
| 1054 |
old_show_trace_tree = 0; |
| 1055 |
break; |
| 1056 |
case '1': |
| 1057 |
toggle = 0; |
| 1058 |
old_show_trace_tree = 1; |
| 1059 |
break; |
| 1060 |
case 'o': |
| 1061 |
case 'O': |
| 1062 |
toggle = 0; |
| 1063 |
switch (cmd_line[1]) { |
| 1064 |
case 'n': |
| 1065 |
case 'N': |
| 1066 |
old_show_trace_tree = 1; |
| 1067 |
break; |
| 1068 |
default: |
| 1069 |
old_show_trace_tree = 0; |
| 1070 |
} |
| 1071 |
break; |
| 1072 |
default: |
| 1073 |
printf("syntax: trace [on|off]\n"); |
| 1074 |
return; |
| 1075 |
} |
| 1076 |
} |
| 1077 |
|
| 1078 |
if (toggle) |
| 1079 |
old_show_trace_tree = 1 - old_show_trace_tree; |
| 1080 |
|
| 1081 |
printf("show_trace_tree = %s", old_show_trace_tree? "ON" : "OFF"); |
| 1082 |
if (old_show_trace_tree != previous_mode) |
| 1083 |
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
| 1084 |
printf("\n"); |
| 1085 |
} |
| 1086 |
|
| 1087 |
|
| 1088 |
/* |
| 1089 |
* debugger_cmd_unassemble(): |
| 1090 |
* |
| 1091 |
* Dump emulated memory as instructions. |
| 1092 |
* |
| 1093 |
* syntax: unassemble [addr [endaddr]] |
| 1094 |
*/ |
| 1095 |
static void debugger_cmd_unassemble(struct machine *m, char *cmd_line) |
| 1096 |
{ |
| 1097 |
uint64_t addr, addr_start, addr_end; |
| 1098 |
struct cpu *c; |
| 1099 |
struct memory *mem; |
| 1100 |
char *p = NULL; |
| 1101 |
int r, lines_left = -1; |
| 1102 |
|
| 1103 |
if (cmd_line[0] != '\0') { |
| 1104 |
uint64_t tmp; |
| 1105 |
char *tmps = strdup(cmd_line); |
| 1106 |
|
| 1107 |
/* addr: */ |
| 1108 |
p = strchr(tmps, ' '); |
| 1109 |
if (p != NULL) |
| 1110 |
*p = '\0'; |
| 1111 |
r = debugger_parse_expression(m, tmps, 0, &tmp); |
| 1112 |
free(tmps); |
| 1113 |
|
| 1114 |
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
| 1115 |
printf("Unparsable address: %s\n", cmd_line); |
| 1116 |
return; |
| 1117 |
} else { |
| 1118 |
last_unasm_addr = tmp; |
| 1119 |
} |
| 1120 |
|
| 1121 |
p = strchr(cmd_line, ' '); |
| 1122 |
} |
| 1123 |
|
| 1124 |
if (m->cpus == NULL) { |
| 1125 |
printf("No cpus (?)\n"); |
| 1126 |
return; |
| 1127 |
} |
| 1128 |
c = m->cpus[m->bootstrap_cpu]; |
| 1129 |
if (c == NULL) { |
| 1130 |
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
| 1131 |
return; |
| 1132 |
} |
| 1133 |
mem = m->cpus[m->bootstrap_cpu]->mem; |
| 1134 |
|
| 1135 |
addr_start = last_unasm_addr; |
| 1136 |
|
| 1137 |
if (addr_start == MAGIC_UNTOUCHED) |
| 1138 |
addr_start = c->pc; |
| 1139 |
|
| 1140 |
addr_end = addr_start + 1000; |
| 1141 |
|
| 1142 |
/* endaddr: */ |
| 1143 |
if (p != NULL) { |
| 1144 |
while (*p == ' ' && *p) |
| 1145 |
p++; |
| 1146 |
r = debugger_parse_expression(m, p, 0, &addr_end); |
| 1147 |
if (r == PARSE_NOMATCH || r == PARSE_MULTIPLE) { |
| 1148 |
printf("Unparsable address: %s\n", cmd_line); |
| 1149 |
return; |
| 1150 |
} |
| 1151 |
} else |
| 1152 |
lines_left = 20; |
| 1153 |
|
| 1154 |
addr = addr_start; |
| 1155 |
|
| 1156 |
ctrl_c = 0; |
| 1157 |
|
| 1158 |
while (addr < addr_end) { |
| 1159 |
unsigned int i, len; |
| 1160 |
int failed = 0; |
| 1161 |
unsigned char buf[17]; /* TODO: How long can an |
| 1162 |
instruction be, on weird archs? */ |
| 1163 |
memset(buf, 0, sizeof(buf)); |
| 1164 |
|
| 1165 |
for (i=0; i<sizeof(buf); i++) { |
| 1166 |
if (c->memory_rw(c, mem, addr+i, buf+i, 1, MEM_READ, |
| 1167 |
CACHE_NONE | NO_EXCEPTIONS) == MEMORY_ACCESS_FAILED) |
| 1168 |
failed ++; |
| 1169 |
} |
| 1170 |
|
| 1171 |
if (failed == sizeof(buf)) { |
| 1172 |
printf("(memory access failed)\n"); |
| 1173 |
break; |
| 1174 |
} |
| 1175 |
|
| 1176 |
len = cpu_disassemble_instr(m, c, buf, 0, addr); |
| 1177 |
|
| 1178 |
if (ctrl_c) |
| 1179 |
return; |
| 1180 |
if (len == 0) |
| 1181 |
break; |
| 1182 |
|
| 1183 |
addr += len; |
| 1184 |
|
| 1185 |
if (lines_left != -1) { |
| 1186 |
lines_left --; |
| 1187 |
if (lines_left == 0) |
| 1188 |
break; |
| 1189 |
} |
| 1190 |
} |
| 1191 |
|
| 1192 |
last_unasm_addr = addr; |
| 1193 |
|
| 1194 |
strlcpy(repeat_cmd, "unassemble", MAX_CMD_BUFLEN); |
| 1195 |
} |
| 1196 |
|
| 1197 |
|
| 1198 |
/* |
| 1199 |
* debugger_cmd_version(): |
| 1200 |
*/ |
| 1201 |
static void debugger_cmd_version(struct machine *m, char *cmd_line) |
| 1202 |
{ |
| 1203 |
if (*cmd_line) { |
| 1204 |
printf("syntax: version\n"); |
| 1205 |
return; |
| 1206 |
} |
| 1207 |
|
| 1208 |
#ifdef VERSION |
| 1209 |
printf("%s, %s\n", VERSION, COMPILE_DATE); |
| 1210 |
#else |
| 1211 |
printf("(no version), %s\n", COMPILE_DATE); |
| 1212 |
#endif |
| 1213 |
} |
| 1214 |
|
| 1215 |
|
| 1216 |
/****************************************************************************/ |
| 1217 |
|
| 1218 |
|
| 1219 |
struct cmd { |
| 1220 |
char *name; |
| 1221 |
char *args; |
| 1222 |
int tmp_flag; |
| 1223 |
void (*f)(struct machine *, char *cmd_line); |
| 1224 |
char *description; |
| 1225 |
}; |
| 1226 |
|
| 1227 |
static struct cmd cmds[] = { |
| 1228 |
{ "allsettings", "", 0, debugger_cmd_allsettings, |
| 1229 |
"show all settings" }, |
| 1230 |
|
| 1231 |
{ "breakpoint", "...", 0, debugger_cmd_breakpoint, |
| 1232 |
"manipulate breakpoints" }, |
| 1233 |
|
| 1234 |
/* NOTE: Try to keep 'c' down to only one command. Having 'continue' |
| 1235 |
available as a one-letter command is very convenient. */ |
| 1236 |
|
| 1237 |
{ "continue", "", 0, debugger_cmd_continue, |
| 1238 |
"continue execution" }, |
| 1239 |
|
| 1240 |
{ "device", "...", 0, debugger_cmd_device, |
| 1241 |
"show info about (or manipulate) devices" }, |
| 1242 |
|
| 1243 |
{ "dump", "[addr [endaddr]]", 0, debugger_cmd_dump, |
| 1244 |
"dump memory contents in hex and ASCII" }, |
| 1245 |
|
| 1246 |
{ "emuls", "", 0, debugger_cmd_emuls, |
| 1247 |
"print a summary of all current emuls" }, |
| 1248 |
|
| 1249 |
{ "focus", "x[,y[,z]]", 0, debugger_cmd_focus, |
| 1250 |
"changes focus to cpu x, machine x, emul z" }, |
| 1251 |
|
| 1252 |
{ "help", "", 0, debugger_cmd_help, |
| 1253 |
"print this help message" }, |
| 1254 |
|
| 1255 |
{ "itrace", "", 0, debugger_cmd_itrace, |
| 1256 |
"toggle instruction_trace on or off" }, |
| 1257 |
|
| 1258 |
{ "lookup", "name|addr", 0, debugger_cmd_lookup, |
| 1259 |
"lookup a symbol by name or address" }, |
| 1260 |
|
| 1261 |
{ "machine", "", 0, debugger_cmd_machine, |
| 1262 |
"print a summary of the current machine" }, |
| 1263 |
|
| 1264 |
{ "ninstrs", "[on|off]", 0, debugger_cmd_ninstrs, |
| 1265 |
"toggle (set or unset) show_nr_of_instructions" }, |
| 1266 |
|
| 1267 |
{ "pause", "cpuid", 0, debugger_cmd_pause, |
| 1268 |
"pause (or unpause) a CPU" }, |
| 1269 |
|
| 1270 |
{ "print", "expr", 0, debugger_cmd_print, |
| 1271 |
"evaluate an expression without side-effects" }, |
| 1272 |
|
| 1273 |
{ "put", "[b|h|w|d|q] addr, data", 0, debugger_cmd_put, |
| 1274 |
"modify emulated memory contents" }, |
| 1275 |
|
| 1276 |
{ "quiet", "[on|off]", 0, debugger_cmd_quiet, |
| 1277 |
"toggle quiet_mode on or off" }, |
| 1278 |
|
| 1279 |
{ "quit", "", 0, debugger_cmd_quit, |
| 1280 |
"quit the emulator" }, |
| 1281 |
|
| 1282 |
/* NOTE: Try to keep 'r' down to only one command. Having 'reg' |
| 1283 |
available as a one-letter command is very convenient. */ |
| 1284 |
|
| 1285 |
{ "reg", "[cpuid][,c]", 0, debugger_cmd_reg, |
| 1286 |
"show GPRs (or coprocessor c's registers)" }, |
| 1287 |
|
| 1288 |
/* NOTE: Try to keep 's' down to only one command. Having 'step' |
| 1289 |
available as a one-letter command is very convenient. */ |
| 1290 |
|
| 1291 |
{ "step", "[n]", 0, debugger_cmd_step, |
| 1292 |
"single-step one (or n) instruction(s)" }, |
| 1293 |
|
| 1294 |
{ "tlbdump", "[cpuid][,r]", 0, debugger_cmd_tlbdump, |
| 1295 |
"dump TLB contents (add ',r' for raw data)" }, |
| 1296 |
|
| 1297 |
{ "trace", "[on|off]", 0, debugger_cmd_trace, |
| 1298 |
"toggle show_trace_tree on or off" }, |
| 1299 |
|
| 1300 |
{ "unassemble", "[addr [endaddr]]", 0, debugger_cmd_unassemble, |
| 1301 |
"dump memory contents as instructions" }, |
| 1302 |
|
| 1303 |
{ "version", "", 0, debugger_cmd_version, |
| 1304 |
"print version information" }, |
| 1305 |
|
| 1306 |
/* Note: NULL handler. */ |
| 1307 |
{ "x = expr", "", 0, NULL, "generic assignment" }, |
| 1308 |
|
| 1309 |
{ NULL, NULL, 0, NULL, NULL } |
| 1310 |
}; |
| 1311 |
|
| 1312 |
|
| 1313 |
/* |
| 1314 |
* debugger_cmd_help(): |
| 1315 |
* |
| 1316 |
* Print a list of available commands. |
| 1317 |
* |
| 1318 |
* NOTE: This is placed after the cmds[] array, because it needs to |
| 1319 |
* access it. |
| 1320 |
* |
| 1321 |
* TODO: Command completion (ie just type "help s" for "help step"). |
| 1322 |
*/ |
| 1323 |
static void debugger_cmd_help(struct machine *m, char *cmd_line) |
| 1324 |
{ |
| 1325 |
int only_one = 0, only_one_match = 0; |
| 1326 |
char *nlines_env = getenv("LINES"); |
| 1327 |
int nlines = atoi(nlines_env != NULL? nlines_env : "999999"), curlines; |
| 1328 |
size_t i, j, max_name_len = 0; |
| 1329 |
|
| 1330 |
if (cmd_line[0] != '\0') { |
| 1331 |
only_one = 1; |
| 1332 |
} |
| 1333 |
|
| 1334 |
i = 0; |
| 1335 |
while (cmds[i].name != NULL) { |
| 1336 |
size_t a = strlen(cmds[i].name); |
| 1337 |
if (cmds[i].args != NULL) |
| 1338 |
a += 1 + strlen(cmds[i].args); |
| 1339 |
if (a > max_name_len) |
| 1340 |
max_name_len = a; |
| 1341 |
i++; |
| 1342 |
} |
| 1343 |
|
| 1344 |
curlines = 0; |
| 1345 |
if (!only_one) { |
| 1346 |
printf("Available commands:\n"); |
| 1347 |
curlines++; |
| 1348 |
} |
| 1349 |
|
| 1350 |
i = 0; |
| 1351 |
while (cmds[i].name != NULL) { |
| 1352 |
char buf[100]; |
| 1353 |
snprintf(buf, sizeof(buf), "%s", cmds[i].name); |
| 1354 |
|
| 1355 |
if (only_one) { |
| 1356 |
if (strcmp(cmds[i].name, cmd_line) != 0) { |
| 1357 |
i++; |
| 1358 |
continue; |
| 1359 |
} |
| 1360 |
only_one_match = 1; |
| 1361 |
} |
| 1362 |
|
| 1363 |
if (cmds[i].args != NULL) |
| 1364 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 1365 |
" %s", cmds[i].args); |
| 1366 |
|
| 1367 |
printf(" "); |
| 1368 |
for (j=0; j<max_name_len; j++) |
| 1369 |
if (j < strlen(buf)) |
| 1370 |
printf("%c", buf[j]); |
| 1371 |
else |
| 1372 |
printf(" "); |
| 1373 |
|
| 1374 |
printf(" %s\n", cmds[i].description); |
| 1375 |
i++; |
| 1376 |
|
| 1377 |
curlines ++; |
| 1378 |
if (curlines >= nlines - 1) { |
| 1379 |
char ch; |
| 1380 |
printf("-- more --"); fflush(stdout); |
| 1381 |
ch = debugger_readchar(); |
| 1382 |
printf("\n"); |
| 1383 |
if (ch == 'q' || ch == 'Q') |
| 1384 |
return; |
| 1385 |
curlines = 0; |
| 1386 |
} |
| 1387 |
} |
| 1388 |
|
| 1389 |
if (only_one) { |
| 1390 |
if (!only_one_match) |
| 1391 |
printf("%s: no such command\n", cmd_line); |
| 1392 |
return; |
| 1393 |
} |
| 1394 |
|
| 1395 |
/* TODO: generalize/refactor */ |
| 1396 |
curlines += 8; |
| 1397 |
if (curlines > nlines - 1) { |
| 1398 |
char ch; |
| 1399 |
printf("-- more --"); fflush(stdout); |
| 1400 |
ch = debugger_readchar(); |
| 1401 |
printf("\n"); |
| 1402 |
if (ch == 'q' || ch == 'Q') |
| 1403 |
return; |
| 1404 |
curlines = 0; |
| 1405 |
} |
| 1406 |
|
| 1407 |
printf("\nIn generic assignments, x must be a register or other " |
| 1408 |
"writable settings\nvariable, and expr can contain registers/" |
| 1409 |
"settings, numeric values, or symbol\nnames, in combination with" |
| 1410 |
" parenthesis and + - * / & %% ^ | operators.\nIn case there are" |
| 1411 |
" multiple matches (i.e. a symbol that has the same name as a\n" |
| 1412 |
"register), you may add a prefix character as a hint: '#' for" |
| 1413 |
" registers, '@'\nfor symbols, and '$' for numeric values. Use" |
| 1414 |
" 0x for hexadecimal values.\n"); |
| 1415 |
} |
| 1416 |
|
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