| 1 | /*- |
| 2 | * Copyright (c) 1991 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This code is derived from software contributed to Berkeley by |
| 6 | * Van Jacobson and Steven McCanne of Lawrence Berkeley Laboratory. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. All advertising materials mentioning features or use of this software |
| 17 | * must display the following acknowledgement: |
| 18 | * This product includes software developed by the University of |
| 19 | * California, Berkeley and its contributors. |
| 20 | * 4. Neither the name of the University nor the names of its contributors |
| 21 | * may be used to endorse or promote products derived from this software |
| 22 | * without specific prior written permission. |
| 23 | * |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 34 | * SUCH DAMAGE. |
| 35 | * |
| 36 | * $Header: /home/cvs/386BSD/src/usr.bin/gdb/remote.c,v 1.1.1.1 1993/06/12 14:52:22 rgrimes Exp $; |
| 37 | */ |
| 38 | |
| 39 | #ifndef lint |
| 40 | static char sccsid[] = "@(#)remote.c 6.5 (Berkeley) 5/8/91"; |
| 41 | #endif /* not lint */ |
| 42 | |
| 43 | #include "param.h" |
| 44 | |
| 45 | #include <stdio.h> |
| 46 | #include <varargs.h> |
| 47 | |
| 48 | #include <signal.h> |
| 49 | #include <sys/types.h> |
| 50 | #include <sys/ioctl.h> |
| 51 | #include <sys/file.h> |
| 52 | |
| 53 | #include "defs.h" |
| 54 | #include "frame.h" |
| 55 | #include "inferior.h" |
| 56 | #include "wait.h" |
| 57 | |
| 58 | #include "kgdb_proto.h" |
| 59 | |
| 60 | static FILE *kiodebug; |
| 61 | static int icache = 1; |
| 62 | extern int kernel_debugging; |
| 63 | |
| 64 | static int remote_cache_valid; |
| 65 | static int remote_instub; |
| 66 | |
| 67 | static void remote_signal(); |
| 68 | static void remote_debug(); |
| 69 | static void print_msg(); |
| 70 | |
| 71 | static int remote_mtu; |
| 72 | static int (*send_msg)(); |
| 73 | static int (*recv_msg)(); |
| 74 | static void (*closelink)(); |
| 75 | |
| 76 | static u_char *inbuffer; |
| 77 | static u_char *outbuffer; |
| 78 | |
| 79 | /* |
| 80 | * Statistics. |
| 81 | */ |
| 82 | static int remote_ierrs; |
| 83 | static int remote_oerrs; |
| 84 | static int remote_seqerrs; |
| 85 | static int remote_spurious; |
| 86 | |
| 87 | #define PUTCMD(cmd) m_xchg(cmd, (u_char *)0, 0, (u_char *)0, (int *)0) |
| 88 | |
| 89 | /* |
| 90 | * Send an outbound message to the remote machine and read the reply. |
| 91 | * Either or both message buffers may be NULL. |
| 92 | */ |
| 93 | static int |
| 94 | m_xchg(type, out, outlen, in, inlen) |
| 95 | int type; |
| 96 | u_char *out; |
| 97 | int outlen; |
| 98 | u_char *in; |
| 99 | int *inlen; |
| 100 | { |
| 101 | register int err, (*send)() = send_msg, (*recv)() = recv_msg; |
| 102 | int ack; |
| 103 | static int seqbit = 0; |
| 104 | |
| 105 | if (!remote_instub) { |
| 106 | remote_instub = 1; |
| 107 | PUTCMD(KGDB_EXEC); |
| 108 | } |
| 109 | |
| 110 | seqbit ^= KGDB_SEQ; |
| 111 | while (1) { |
| 112 | err = (*send)(type | seqbit, out, outlen); |
| 113 | if (err) { |
| 114 | ++remote_oerrs; |
| 115 | if (kiodebug) |
| 116 | remote_debug("send error %d\n", err); |
| 117 | } |
| 118 | if (kiodebug) |
| 119 | print_msg(type | seqbit, out, outlen, 'O'); |
| 120 | |
| 121 | recv: |
| 122 | err = (*recv)(&ack, in, inlen); |
| 123 | if (err) { |
| 124 | ++remote_ierrs; |
| 125 | if (kiodebug) |
| 126 | remote_debug("recv error %d\n", err); |
| 127 | remote_cache_valid = 0; |
| 128 | } else if (kiodebug) |
| 129 | print_msg(ack, in, inlen ? *inlen : 0, 'I'); |
| 130 | |
| 131 | if (err) |
| 132 | continue; |
| 133 | |
| 134 | if ((ack & KGDB_ACK) == 0 || KGDB_CMD(ack) != KGDB_CMD(type)) { |
| 135 | ++remote_spurious; |
| 136 | continue; |
| 137 | } |
| 138 | if ((ack & KGDB_SEQ) ^ seqbit) { |
| 139 | ++remote_seqerrs; |
| 140 | goto recv; |
| 141 | } |
| 142 | return ack; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | /* |
| 147 | * Wait for the specified message type. Discard anything else. |
| 148 | * (this is used by 'remote-signal' to help us resync with other side.) |
| 149 | */ |
| 150 | static void |
| 151 | m_recv(type, in, inlen) |
| 152 | int type; |
| 153 | u_char *in; |
| 154 | int *inlen; |
| 155 | { |
| 156 | int reply, err; |
| 157 | |
| 158 | while (1) { |
| 159 | err = (*recv_msg)(&reply, in, inlen); |
| 160 | if (err) { |
| 161 | ++remote_ierrs; |
| 162 | if (kiodebug) |
| 163 | remote_debug("recv error %d\n", err); |
| 164 | } else if (kiodebug) |
| 165 | print_msg(reply, in, inlen ? *inlen : 0, 'I'); |
| 166 | |
| 167 | if (KGDB_CMD(reply) == type) |
| 168 | return; |
| 169 | ++remote_spurious; |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | /* |
| 174 | * Send a message. Do not wait for *any* response from the other side. |
| 175 | * Some other thread of control will pick up the ack that will be generated. |
| 176 | */ |
| 177 | static void |
| 178 | m_send(type, buf, len) |
| 179 | int type; |
| 180 | u_char *buf; |
| 181 | int len; |
| 182 | { |
| 183 | int err; |
| 184 | |
| 185 | if (!remote_instub) { |
| 186 | remote_instub = 1; |
| 187 | PUTCMD(KGDB_EXEC); |
| 188 | } |
| 189 | |
| 190 | err = (*send_msg)(type, buf, len); |
| 191 | if (err) { |
| 192 | ++remote_ierrs; |
| 193 | if (kiodebug) |
| 194 | remote_debug("[send error %d] ", err); |
| 195 | } |
| 196 | if (kiodebug) |
| 197 | print_msg(type, buf, len, 'O'); |
| 198 | } |
| 199 | |
| 200 | /* |
| 201 | * Open a connection to a remote debugger. |
| 202 | * NAME is the filename used for communication. |
| 203 | */ |
| 204 | void |
| 205 | remote_open(name, from_tty) |
| 206 | char *name; |
| 207 | int from_tty; |
| 208 | { |
| 209 | int bufsize; |
| 210 | |
| 211 | remote_debugging = 0; |
| 212 | if (sl_open(name, &send_msg, &recv_msg, &closelink, &remote_mtu, |
| 213 | &bufsize)) |
| 214 | return; |
| 215 | if (from_tty) |
| 216 | printf("Remote debugging using %s\n", name); |
| 217 | remote_debugging = 1; |
| 218 | |
| 219 | remote_cache_valid = 0; |
| 220 | |
| 221 | inbuffer = (u_char *)malloc(bufsize); |
| 222 | outbuffer = (u_char *)malloc(bufsize); |
| 223 | |
| 224 | remote_signal(); |
| 225 | |
| 226 | remote_ierrs = 0; |
| 227 | remote_oerrs = 0; |
| 228 | remote_spurious = 0; |
| 229 | } |
| 230 | |
| 231 | /* |
| 232 | * Close the open connection to the remote debugger. Use this when you want |
| 233 | * to detach and do something else with your gdb. |
| 234 | */ |
| 235 | void |
| 236 | remote_close(from_tty) |
| 237 | int from_tty; |
| 238 | { |
| 239 | if (!remote_debugging) |
| 240 | error("remote debugging not enabled"); |
| 241 | |
| 242 | remote_debugging = 0; |
| 243 | /* |
| 244 | * Take remote machine out of debug mode. |
| 245 | */ |
| 246 | (void)PUTCMD(KGDB_KILL); |
| 247 | (*closelink)(); |
| 248 | if (from_tty) |
| 249 | printf("Ending remote debugging\n"); |
| 250 | |
| 251 | free((char *)inbuffer); |
| 252 | free((char *)outbuffer); |
| 253 | } |
| 254 | |
| 255 | /* |
| 256 | * Tell the remote machine to resume. |
| 257 | */ |
| 258 | int |
| 259 | remote_resume(step, signal) |
| 260 | int step, signal; |
| 261 | { |
| 262 | if (!step) { |
| 263 | (void)PUTCMD(KGDB_CONT); |
| 264 | remote_instub = 0; |
| 265 | } else { |
| 266 | #ifdef NO_SINGLE_STEP |
| 267 | single_step(0); |
| 268 | #else |
| 269 | (void)PUTCMD(KGDB_STEP); |
| 270 | #endif |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | /* |
| 275 | * Wait until the remote machine stops, then return, storing status in STATUS |
| 276 | * just as `wait' would. |
| 277 | */ |
| 278 | int |
| 279 | remote_wait(status) |
| 280 | WAITTYPE *status; |
| 281 | { |
| 282 | int len; |
| 283 | |
| 284 | WSETEXIT((*status), 0); |
| 285 | /* |
| 286 | * When the machine stops, it will send us a KGDB_SIGNAL message, |
| 287 | * so we wait for one of these. |
| 288 | */ |
| 289 | m_recv(KGDB_SIGNAL, inbuffer, &len); |
| 290 | WSETSTOP((*status), inbuffer[0]); |
| 291 | } |
| 292 | |
| 293 | /* |
| 294 | * Register context as of last remote_fetch_registers(). |
| 295 | */ |
| 296 | static char reg_cache[REGISTER_BYTES]; |
| 297 | |
| 298 | /* |
| 299 | * Read the remote registers into the block REGS. |
| 300 | */ |
| 301 | void |
| 302 | remote_fetch_registers(regs) |
| 303 | char *regs; |
| 304 | { |
| 305 | int regno, len, rlen, ack; |
| 306 | u_char *cp, *ep; |
| 307 | |
| 308 | regno = -1; |
| 309 | do { |
| 310 | outbuffer[0] = regno + 1; |
| 311 | ack = m_xchg(remote_cache_valid ? |
| 312 | KGDB_REG_R|KGDB_DELTA : KGDB_REG_R, |
| 313 | outbuffer, 1, inbuffer, &len); |
| 314 | cp = inbuffer; |
| 315 | ep = cp + len; |
| 316 | while (cp < ep) { |
| 317 | regno = *cp++; |
| 318 | rlen = REGISTER_RAW_SIZE(regno); |
| 319 | bcopy((char *)cp, |
| 320 | ®_cache[REGISTER_BYTE(regno)], rlen); |
| 321 | cp += rlen; |
| 322 | } |
| 323 | } while (ack & KGDB_MORE); |
| 324 | |
| 325 | remote_cache_valid = 1; |
| 326 | bcopy(reg_cache, regs, REGISTER_BYTES); |
| 327 | } |
| 328 | |
| 329 | /* |
| 330 | * Store the remote registers from the contents of the block REGS. |
| 331 | */ |
| 332 | void |
| 333 | remote_store_registers(regs) |
| 334 | char *regs; |
| 335 | { |
| 336 | u_char *cp, *ep; |
| 337 | int regno, off, rlen; |
| 338 | |
| 339 | cp = outbuffer; |
| 340 | ep = cp + remote_mtu; |
| 341 | |
| 342 | for (regno = 0; regno < NUM_REGS; ++regno) { |
| 343 | off = REGISTER_BYTE(regno); |
| 344 | rlen = REGISTER_RAW_SIZE(regno); |
| 345 | if (!remote_cache_valid || |
| 346 | bcmp(®s[off], ®_cache[off], rlen) != 0) { |
| 347 | if (cp + rlen + 1 >= ep) { |
| 348 | (void)m_xchg(KGDB_REG_W, |
| 349 | outbuffer, cp - outbuffer, |
| 350 | (u_char *)0, (int *)0); |
| 351 | cp = outbuffer; |
| 352 | } |
| 353 | *cp++ = regno; |
| 354 | bcopy(®s[off], cp, rlen); |
| 355 | cp += rlen; |
| 356 | } |
| 357 | } |
| 358 | if (cp != outbuffer) |
| 359 | (void)m_xchg(KGDB_REG_W, outbuffer, cp - outbuffer, |
| 360 | (u_char *)0, (int *)0); |
| 361 | bcopy(regs, reg_cache, REGISTER_BYTES); |
| 362 | } |
| 363 | |
| 364 | /* |
| 365 | * Store a chunk of memory into the remote host. |
| 366 | * 'remote_addr' is the address in the remote memory space. |
| 367 | * 'cp' is the address of the buffer in our space, and 'len' is |
| 368 | * the number of bytes. Returns an errno status. |
| 369 | */ |
| 370 | int |
| 371 | remote_write_inferior_memory(remote_addr, cp, len) |
| 372 | CORE_ADDR remote_addr; |
| 373 | u_char *cp; |
| 374 | int len; |
| 375 | { |
| 376 | int cnt; |
| 377 | |
| 378 | while (len > 0) { |
| 379 | cnt = min(len, remote_mtu - 4); |
| 380 | bcopy((char *)&remote_addr, outbuffer, 4); |
| 381 | bcopy(cp, outbuffer + 4, cnt); |
| 382 | (void)m_xchg(KGDB_MEM_W, outbuffer, cnt + 4, inbuffer, &len); |
| 383 | |
| 384 | if (inbuffer[0]) |
| 385 | return inbuffer[0]; |
| 386 | |
| 387 | remote_addr += cnt; |
| 388 | cp += cnt; |
| 389 | len -= cnt; |
| 390 | } |
| 391 | return 0; |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * Read memory data directly from the remote machine. |
| 396 | * 'remote_addr' is the address in the remote memory space. |
| 397 | * 'cp' is the address of the buffer in our space, and 'len' is |
| 398 | * the number of bytes. Returns an errno status. |
| 399 | */ |
| 400 | static int |
| 401 | remote_read_memory(remote_addr, cp, len) |
| 402 | CORE_ADDR remote_addr; |
| 403 | u_char *cp; |
| 404 | int len; |
| 405 | { |
| 406 | int cnt, inlen; |
| 407 | |
| 408 | while (len > 0) { |
| 409 | cnt = min(len, remote_mtu - 1); |
| 410 | outbuffer[0] = cnt; |
| 411 | bcopy((char *)&remote_addr, (char *)&outbuffer[1], 4); |
| 412 | |
| 413 | (void)m_xchg(KGDB_MEM_R, outbuffer, 5, inbuffer, &inlen); |
| 414 | |
| 415 | if (inbuffer[0] != 0) |
| 416 | return inbuffer[0]; |
| 417 | |
| 418 | if (cnt != inlen - 1) |
| 419 | /* XXX */ |
| 420 | error("remote_read_memory() request botched"); |
| 421 | |
| 422 | bcopy((char *)&inbuffer[1], (char *)cp, cnt); |
| 423 | |
| 424 | remote_addr += cnt; |
| 425 | cp += cnt; |
| 426 | len -= cnt; |
| 427 | } |
| 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | int |
| 432 | remote_read_inferior_memory(remote_addr, cp, len) |
| 433 | CORE_ADDR remote_addr; |
| 434 | char *cp; |
| 435 | int len; |
| 436 | { |
| 437 | int stat = 0; |
| 438 | |
| 439 | if (icache) { |
| 440 | extern CORE_ADDR text_start, text_end; |
| 441 | CORE_ADDR xferend = remote_addr + len; |
| 442 | |
| 443 | if (remote_addr < text_end && text_start < xferend) { |
| 444 | /* |
| 445 | * at least part of this xfer is in the text |
| 446 | * space -- xfer the overlap from the exec file. |
| 447 | */ |
| 448 | if (remote_addr >= text_start && xferend < text_end) |
| 449 | return (xfer_core_file(remote_addr, cp, len)); |
| 450 | if (remote_addr >= text_start) { |
| 451 | int i = text_end - remote_addr; |
| 452 | |
| 453 | if (stat = xfer_core_file(remote_addr, cp, i)) |
| 454 | return (stat); |
| 455 | remote_addr += i; |
| 456 | cp += i; |
| 457 | len -= i; |
| 458 | } else if (xferend <= text_end) { |
| 459 | int i = xferend - text_start; |
| 460 | |
| 461 | len = text_start - remote_addr; |
| 462 | if (stat = xfer_core_file(text_start, |
| 463 | cp + len, i)) |
| 464 | return (stat); |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | return remote_read_memory(remote_addr, cp, len); |
| 469 | } |
| 470 | |
| 471 | /* |
| 472 | * Signal the remote machine. The remote end might be idle or it might |
| 473 | * already be in debug mode -- we need to handle both case. Thus, we use |
| 474 | * the framing character as the wakeup byte, and send a SIGNAL packet. |
| 475 | * If the remote host is idle, the framing character will wake it up. |
| 476 | * If it is in the kgdb stub, then we will get a SIGNAL reply. |
| 477 | */ |
| 478 | static void |
| 479 | remote_signal() |
| 480 | { |
| 481 | if (!remote_debugging) |
| 482 | printf("Remote debugging not enabled.\n"); |
| 483 | else { |
| 484 | remote_instub = 0; |
| 485 | m_send(KGDB_SIGNAL, (u_char *)0, 0); |
| 486 | } |
| 487 | } |
| 488 | |
| 489 | static void |
| 490 | remote_signal_command() |
| 491 | { |
| 492 | extern int stop_after_attach; |
| 493 | |
| 494 | if (!remote_debugging) |
| 495 | error("Not debugging remote."); |
| 496 | remote_cache_valid = 0; |
| 497 | remote_signal(); |
| 498 | restart_remote(); |
| 499 | } |
| 500 | |
| 501 | /* |
| 502 | * Print a message for debugging. |
| 503 | */ |
| 504 | static void |
| 505 | print_msg(type, buf, len, dir) |
| 506 | int type; |
| 507 | u_char *buf; |
| 508 | int len; |
| 509 | int dir; |
| 510 | { |
| 511 | int i; |
| 512 | char *s; |
| 513 | |
| 514 | switch (KGDB_CMD(type)) { |
| 515 | case KGDB_MEM_R: s = "memr"; break; |
| 516 | case KGDB_MEM_W: s = "memw"; break; |
| 517 | case KGDB_REG_R: s = "regr"; break; |
| 518 | case KGDB_REG_W: s = "regw"; break; |
| 519 | case KGDB_CONT: s = "cont"; break; |
| 520 | case KGDB_STEP: s = "step"; break; |
| 521 | case KGDB_KILL: s = "kill"; break; |
| 522 | case KGDB_SIGNAL: s = "sig "; break; |
| 523 | case KGDB_EXEC: s = "exec"; break; |
| 524 | default: s = "unk "; break; |
| 525 | } |
| 526 | remote_debug("%c %c%c%c%c %s (%02x): ", dir, |
| 527 | (type & KGDB_ACK) ? 'A' : '.', |
| 528 | (type & KGDB_DELTA) ? 'D' : '.', |
| 529 | (type & KGDB_MORE) ? 'M' : '.', |
| 530 | (type & KGDB_SEQ) ? '-' : '+', |
| 531 | s, type); |
| 532 | if (buf) |
| 533 | for (i = 0; i < len; ++i) |
| 534 | remote_debug("%02x", buf[i]); |
| 535 | remote_debug("\n"); |
| 536 | } |
| 537 | |
| 538 | static void |
| 539 | set_remote_text_refs_command(arg, from_tty) |
| 540 | char *arg; |
| 541 | int from_tty; |
| 542 | { |
| 543 | icache = !parse_binary_operation("set remote-text-refs", arg); |
| 544 | } |
| 545 | |
| 546 | static void |
| 547 | remote_debug_command(arg, from_tty) |
| 548 | char *arg; |
| 549 | int from_tty; |
| 550 | { |
| 551 | char *name; |
| 552 | |
| 553 | if (kiodebug != 0 && kiodebug != stderr) |
| 554 | (void)fclose(kiodebug); |
| 555 | |
| 556 | if (arg == 0) { |
| 557 | kiodebug = 0; |
| 558 | printf("Remote debugging off.\n"); |
| 559 | return; |
| 560 | } |
| 561 | if (arg[0] == '-') { |
| 562 | kiodebug = stderr; |
| 563 | name = "stderr"; |
| 564 | } else { |
| 565 | kiodebug = fopen(arg, "w"); |
| 566 | if (kiodebug == 0) { |
| 567 | printf("Cannot open '%s'.\n", arg); |
| 568 | return; |
| 569 | } |
| 570 | name = arg; |
| 571 | } |
| 572 | printf("Remote debugging output routed to %s.\n", name); |
| 573 | } |
| 574 | |
| 575 | /* ARGSUSED */ |
| 576 | static void |
| 577 | remote_info(arg, from_tty) |
| 578 | char *arg; |
| 579 | int from_tty; |
| 580 | { |
| 581 | printf("Using %s for text references.\n", |
| 582 | icache? "local executable" : "remote"); |
| 583 | printf("Protocol debugging is %s.\n", kiodebug? "on" : "off"); |
| 584 | printf("%d spurious input messages.\n", remote_spurious); |
| 585 | printf("%d input errors; %d output errors; %d sequence errors.\n", |
| 586 | remote_ierrs, remote_oerrs, remote_seqerrs); |
| 587 | } |
| 588 | |
| 589 | /* VARARGS */ |
| 590 | static void |
| 591 | remote_debug(va_alist) |
| 592 | va_dcl |
| 593 | { |
| 594 | register char *cp; |
| 595 | va_list ap; |
| 596 | |
| 597 | va_start(ap); |
| 598 | cp = va_arg(ap, char *); |
| 599 | (void)vfprintf(kiodebug, cp, ap); |
| 600 | va_end(ap); |
| 601 | fflush(kiodebug); |
| 602 | } |
| 603 | |
| 604 | extern struct cmd_list_element *setlist; |
| 605 | |
| 606 | void |
| 607 | _initialize_remote() |
| 608 | { |
| 609 | add_com("remote-signal", class_run, remote_signal_command, |
| 610 | "If remote debugging, send interrupt signal to remote."); |
| 611 | add_cmd("remote-text-refs", class_support, |
| 612 | set_remote_text_refs_command, |
| 613 | "Enable/disable use of local executable for text segment references.\n\ |
| 614 | If on, all memory read/writes go to remote.\n\ |
| 615 | If off, text segment reads use the local executable.", |
| 616 | &setlist); |
| 617 | |
| 618 | add_com("remote-debug", class_run, remote_debug_command, |
| 619 | "With a file name argument, enables output of remote protocol debugging\n\ |
| 620 | messages to said file. If file is `-', stderr is used.\n\ |
| 621 | With no argument, remote debugging is disabled."); |
| 622 | |
| 623 | add_info("remote", remote_info, |
| 624 | "Show current settings of remote debugging options."); |
| 625 | } |
| 626 | |