Commit | Line | Data |
---|---|---|
c906108c SS |
1 | /* Remote debugging interface for boot monitors, for GDB. |
2 | Copyright 1990, 1991, 1992, 1993, 1995, 1996, 1997, 1999 | |
3 | Free Software Foundation, Inc. | |
4 | Contributed by Cygnus Support. Written by Rob Savoye for Cygnus. | |
5 | Resurrected from the ashes by Stu Grossman. | |
6 | ||
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | /* This file was derived from various remote-* modules. It is a collection | |
25 | of generic support functions so GDB can talk directly to a ROM based | |
26 | monitor. This saves use from having to hack an exception based handler | |
27 | into existance, and makes for quick porting. | |
28 | ||
29 | This module talks to a debug monitor called 'MONITOR', which | |
30 | We communicate with MONITOR via either a direct serial line, or a TCP | |
31 | (or possibly TELNET) stream to a terminal multiplexor, | |
32 | which in turn talks to the target board. */ | |
33 | ||
34 | /* FIXME 32x64: This code assumes that registers and addresses are at | |
35 | most 32 bits long. If they can be larger, you will need to declare | |
36 | values as LONGEST and use %llx or some such to print values when | |
37 | building commands to send to the monitor. Since we don't know of | |
38 | any actual 64-bit targets with ROM monitors that use this code, | |
39 | it's not an issue right now. -sts 4/18/96 */ | |
40 | ||
41 | #include "defs.h" | |
42 | #include "gdbcore.h" | |
43 | #include "target.h" | |
44 | #include "wait.h" | |
c906108c SS |
45 | #include <signal.h> |
46 | #include <ctype.h> | |
47 | #include "gdb_string.h" | |
48 | #include <sys/types.h> | |
49 | #include "command.h" | |
50 | #include "serial.h" | |
51 | #include "monitor.h" | |
52 | #include "gdbcmd.h" | |
53 | #include "inferior.h" | |
54 | #include "gnu-regex.h" | |
55 | #include "dcache.h" | |
56 | #include "srec.h" | |
57 | ||
58 | static char *dev_name; | |
59 | static struct target_ops *targ_ops; | |
60 | ||
61 | static void monitor_vsprintf PARAMS ((char *sndbuf, char *pattern, va_list args)); | |
62 | ||
63 | static int readchar PARAMS ((int timeout)); | |
64 | ||
c906108c SS |
65 | static void monitor_fetch_register PARAMS ((int regno)); |
66 | static void monitor_store_register PARAMS ((int regno)); | |
67 | ||
68 | static int monitor_printable_string PARAMS ((char *newstr, char *oldstr)); | |
69 | static void monitor_error PARAMS ((char *format, CORE_ADDR memaddr, int len, char *string, int final_char)); | |
70 | static void monitor_detach PARAMS ((char *args, int from_tty)); | |
71 | static void monitor_resume PARAMS ((int pid, int step, enum target_signal sig)); | |
72 | static void monitor_interrupt PARAMS ((int signo)); | |
73 | static void monitor_interrupt_twice PARAMS ((int signo)); | |
74 | static void monitor_interrupt_query PARAMS ((void)); | |
75 | static void monitor_wait_cleanup PARAMS ((void *old_timeout)); | |
76 | ||
c5aa993b | 77 | static int monitor_wait PARAMS ((int pid, struct target_waitstatus * status)); |
c906108c SS |
78 | static void monitor_fetch_registers PARAMS ((int regno)); |
79 | static void monitor_store_registers PARAMS ((int regno)); | |
80 | static void monitor_prepare_to_store PARAMS ((void)); | |
c5aa993b JM |
81 | static int monitor_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len, int write, struct target_ops * target)); |
82 | static void monitor_files_info PARAMS ((struct target_ops * ops)); | |
c906108c SS |
83 | static int monitor_insert_breakpoint PARAMS ((CORE_ADDR addr, char *shadow)); |
84 | static int monitor_remove_breakpoint PARAMS ((CORE_ADDR addr, char *shadow)); | |
85 | static void monitor_kill PARAMS ((void)); | |
86 | static void monitor_load PARAMS ((char *file, int from_tty)); | |
87 | static void monitor_mourn_inferior PARAMS ((void)); | |
88 | static void monitor_stop PARAMS ((void)); | |
89 | ||
c5aa993b JM |
90 | static int monitor_read_memory PARAMS ((CORE_ADDR addr, char *myaddr, int len)); |
91 | static int monitor_write_memory PARAMS ((CORE_ADDR addr, char *myaddr, int len)); | |
c906108c | 92 | static int monitor_write_memory_bytes PARAMS ((CORE_ADDR addr, |
c5aa993b JM |
93 | char *myaddr, int len)); |
94 | static int monitor_write_memory_block PARAMS (( | |
95 | CORE_ADDR memaddr, | |
96 | char *myaddr, | |
97 | int len)); | |
98 | static int monitor_expect_regexp PARAMS ((struct re_pattern_buffer * pat, | |
c906108c | 99 | char *buf, int buflen)); |
c5aa993b | 100 | static void monitor_dump_regs PARAMS ((void)); |
c906108c SS |
101 | #if 0 |
102 | static int from_hex PARAMS ((int a)); | |
103 | static unsigned long get_hex_word PARAMS ((void)); | |
104 | #endif | |
105 | static void parse_register_dump PARAMS ((char *, int)); | |
106 | ||
107 | static struct monitor_ops *current_monitor; | |
108 | ||
109 | static int hashmark; /* flag set by "set hash" */ | |
110 | ||
111 | static int timeout = 30; | |
112 | ||
113 | static int in_monitor_wait = 0; /* Non-zero means we are in monitor_wait() */ | |
114 | ||
c5aa993b | 115 | static void (*ofunc) (); /* Old SIGINT signal handler */ |
c906108c | 116 | |
9e086581 JM |
117 | static CORE_ADDR *breakaddr; |
118 | ||
c906108c SS |
119 | /* Extra remote debugging for developing a new rom monitor variation */ |
120 | #if ! defined(EXTRA_RDEBUG) | |
121 | #define EXTRA_RDEBUG 0 | |
122 | #endif | |
123 | #define RDEBUG(stuff) { if (EXTRA_RDEBUG && remote_debug) printf stuff ; } | |
124 | ||
125 | /* Descriptor for I/O to remote machine. Initialize it to NULL so | |
126 | that monitor_open knows that we don't have a file open when the | |
127 | program starts. */ | |
128 | ||
129 | static serial_t monitor_desc = NULL; | |
130 | ||
131 | /* Pointer to regexp pattern matching data */ | |
132 | ||
133 | static struct re_pattern_buffer register_pattern; | |
134 | static char register_fastmap[256]; | |
135 | ||
136 | static struct re_pattern_buffer getmem_resp_delim_pattern; | |
137 | static char getmem_resp_delim_fastmap[256]; | |
138 | ||
139 | static int dump_reg_flag; /* Non-zero means do a dump_registers cmd when | |
140 | monitor_wait wakes up. */ | |
141 | ||
142 | static DCACHE *remote_dcache; | |
c5aa993b JM |
143 | static int first_time = 0; /* is this the first time we're executing after |
144 | gaving created the child proccess? */ | |
c906108c SS |
145 | |
146 | /* Convert a string into a printable representation, Return # byte in the | |
147 | new string. */ | |
148 | ||
149 | static int | |
150 | monitor_printable_string (newstr, oldstr) | |
151 | char *newstr; | |
152 | char *oldstr; | |
153 | { | |
154 | char *save = newstr; | |
155 | int ch; | |
156 | ||
157 | while ((ch = *oldstr++) != '\0') | |
158 | { | |
159 | switch (ch) | |
c5aa993b | 160 | { |
c906108c SS |
161 | default: |
162 | if (isprint (ch)) | |
163 | *newstr++ = ch; | |
164 | ||
165 | else | |
166 | { | |
167 | sprintf (newstr, "\\x%02x", ch & 0xff); | |
168 | newstr += 4; | |
169 | } | |
170 | break; | |
171 | ||
c5aa993b JM |
172 | case '\\': |
173 | *newstr++ = '\\'; | |
174 | *newstr++ = '\\'; | |
175 | break; | |
176 | case '\b': | |
177 | *newstr++ = '\\'; | |
178 | *newstr++ = 'b'; | |
179 | break; | |
180 | case '\f': | |
181 | *newstr++ = '\\'; | |
182 | *newstr++ = 't'; | |
183 | break; | |
184 | case '\n': | |
185 | *newstr++ = '\\'; | |
186 | *newstr++ = 'n'; | |
187 | break; | |
188 | case '\r': | |
189 | *newstr++ = '\\'; | |
190 | *newstr++ = 'r'; | |
191 | break; | |
192 | case '\t': | |
193 | *newstr++ = '\\'; | |
194 | *newstr++ = 't'; | |
195 | break; | |
196 | case '\v': | |
197 | *newstr++ = '\\'; | |
198 | *newstr++ = 'v'; | |
199 | break; | |
200 | } | |
c906108c SS |
201 | } |
202 | ||
203 | *newstr++ = '\0'; | |
204 | return newstr - save; | |
205 | } | |
206 | ||
207 | /* Print monitor errors with a string, converting the string to printable | |
208 | representation. */ | |
209 | ||
210 | static void | |
211 | monitor_error (format, memaddr, len, string, final_char) | |
212 | char *format; | |
213 | CORE_ADDR memaddr; | |
214 | int len; | |
215 | char *string; | |
216 | int final_char; | |
217 | { | |
c5aa993b | 218 | int real_len = (len == 0 && string != (char *) 0) ? strlen (string) : len; |
c906108c SS |
219 | char *safe_string = alloca ((real_len * 4) + 1); |
220 | char *p, *q; | |
221 | int ch; | |
222 | int safe_len = monitor_printable_string (safe_string, string); | |
223 | ||
224 | if (final_char) | |
c5aa993b | 225 | error (format, (int) memaddr, p - safe_string, safe_string, final_char); |
c906108c | 226 | else |
c5aa993b | 227 | error (format, (int) memaddr, p - safe_string, safe_string); |
c906108c SS |
228 | } |
229 | ||
230 | /* Convert hex digit A to a number. */ | |
231 | ||
232 | static int | |
233 | fromhex (a) | |
234 | int a; | |
235 | { | |
236 | if (a >= '0' && a <= '9') | |
237 | return a - '0'; | |
238 | else if (a >= 'a' && a <= 'f') | |
239 | return a - 'a' + 10; | |
c5aa993b JM |
240 | else if (a >= 'A' && a <= 'F') |
241 | return a - 'A' + 10; | |
c906108c | 242 | else |
c5aa993b | 243 | error ("Invalid hex digit %d", a); |
c906108c SS |
244 | } |
245 | ||
246 | /* monitor_vsprintf - similar to vsprintf but handles 64-bit addresses | |
247 | ||
248 | This function exists to get around the problem that many host platforms | |
249 | don't have a printf that can print 64-bit addresses. The %A format | |
250 | specification is recognized as a special case, and causes the argument | |
251 | to be printed as a 64-bit hexadecimal address. | |
252 | ||
253 | Only format specifiers of the form "[0-9]*[a-z]" are recognized. | |
254 | If it is a '%s' format, the argument is a string; otherwise the | |
255 | argument is assumed to be a long integer. | |
256 | ||
257 | %% is also turned into a single %. | |
c5aa993b JM |
258 | */ |
259 | ||
c906108c SS |
260 | static void |
261 | monitor_vsprintf (sndbuf, pattern, args) | |
262 | char *sndbuf; | |
263 | char *pattern; | |
264 | va_list args; | |
265 | { | |
266 | char format[10]; | |
267 | char fmt; | |
268 | char *p; | |
269 | int i; | |
270 | long arg_int; | |
271 | CORE_ADDR arg_addr; | |
272 | char *arg_string; | |
273 | ||
274 | for (p = pattern; *p; p++) | |
275 | { | |
276 | if (*p == '%') | |
277 | { | |
278 | /* Copy the format specifier to a separate buffer. */ | |
279 | format[0] = *p++; | |
280 | for (i = 1; *p >= '0' && *p <= '9' && i < (int) sizeof (format) - 2; | |
281 | i++, p++) | |
282 | format[i] = *p; | |
283 | format[i] = fmt = *p; | |
c5aa993b | 284 | format[i + 1] = '\0'; |
c906108c SS |
285 | |
286 | /* Fetch the next argument and print it. */ | |
287 | switch (fmt) | |
288 | { | |
289 | case '%': | |
290 | strcpy (sndbuf, "%"); | |
291 | break; | |
292 | case 'A': | |
293 | arg_addr = va_arg (args, CORE_ADDR); | |
294 | strcpy (sndbuf, paddr_nz (arg_addr)); | |
295 | break; | |
296 | case 's': | |
297 | arg_string = va_arg (args, char *); | |
298 | sprintf (sndbuf, format, arg_string); | |
299 | break; | |
300 | default: | |
301 | arg_int = va_arg (args, long); | |
302 | sprintf (sndbuf, format, arg_int); | |
303 | break; | |
304 | } | |
305 | sndbuf += strlen (sndbuf); | |
306 | } | |
307 | else | |
308 | *sndbuf++ = *p; | |
309 | } | |
310 | *sndbuf = '\0'; | |
311 | } | |
312 | ||
313 | ||
314 | /* monitor_printf_noecho -- Send data to monitor, but don't expect an echo. | |
315 | Works just like printf. */ | |
316 | ||
317 | void | |
c5aa993b | 318 | monitor_printf_noecho (char *pattern,...) |
c906108c SS |
319 | { |
320 | va_list args; | |
321 | char sndbuf[2000]; | |
322 | int len; | |
323 | ||
c906108c | 324 | va_start (args, pattern); |
c906108c SS |
325 | |
326 | monitor_vsprintf (sndbuf, pattern, args); | |
327 | ||
328 | len = strlen (sndbuf); | |
329 | if (len + 1 > sizeof sndbuf) | |
330 | abort (); | |
331 | ||
332 | #if 0 | |
333 | if (remote_debug > 0) | |
334 | puts_debug ("sent -->", sndbuf, "<--"); | |
335 | #endif | |
336 | if (EXTRA_RDEBUG | |
337 | && remote_debug) | |
338 | { | |
339 | char *safe_string = (char *) alloca ((strlen (sndbuf) * 4) + 1); | |
340 | monitor_printable_string (safe_string, sndbuf); | |
341 | printf ("sent[%s]\n", safe_string); | |
342 | } | |
c5aa993b | 343 | |
c906108c SS |
344 | monitor_write (sndbuf, len); |
345 | } | |
346 | ||
347 | /* monitor_printf -- Send data to monitor and check the echo. Works just like | |
348 | printf. */ | |
349 | ||
350 | void | |
c5aa993b | 351 | monitor_printf (char *pattern,...) |
c906108c SS |
352 | { |
353 | va_list args; | |
354 | char sndbuf[2000]; | |
355 | int len; | |
356 | ||
c906108c | 357 | va_start (args, pattern); |
c906108c SS |
358 | |
359 | monitor_vsprintf (sndbuf, pattern, args); | |
360 | ||
361 | len = strlen (sndbuf); | |
362 | if (len + 1 > sizeof sndbuf) | |
363 | abort (); | |
364 | ||
365 | #if 0 | |
366 | if (remote_debug > 0) | |
367 | puts_debug ("sent -->", sndbuf, "<--"); | |
368 | #endif | |
369 | if (EXTRA_RDEBUG | |
370 | && remote_debug) | |
371 | { | |
372 | char *safe_string = (char *) alloca ((len * 4) + 1); | |
373 | monitor_printable_string (safe_string, sndbuf); | |
374 | printf ("sent[%s]\n", safe_string); | |
375 | } | |
376 | ||
377 | monitor_write (sndbuf, len); | |
378 | ||
379 | /* We used to expect that the next immediate output was the characters we | |
380 | just output, but sometimes some extra junk appeared before the characters | |
381 | we expected, like an extra prompt, or a portmaster sending telnet negotiations. | |
382 | So, just start searching for what we sent, and skip anything unknown. */ | |
c5aa993b JM |
383 | RDEBUG (("ExpectEcho\n")) |
384 | monitor_expect (sndbuf, (char *) 0, 0); | |
c906108c SS |
385 | } |
386 | ||
387 | ||
388 | /* Write characters to the remote system. */ | |
389 | ||
390 | void | |
391 | monitor_write (buf, buflen) | |
392 | char *buf; | |
393 | int buflen; | |
394 | { | |
c5aa993b | 395 | if (SERIAL_WRITE (monitor_desc, buf, buflen)) |
c906108c SS |
396 | fprintf_unfiltered (gdb_stderr, "SERIAL_WRITE failed: %s\n", |
397 | safe_strerror (errno)); | |
398 | } | |
399 | ||
400 | ||
401 | /* Read a binary character from the remote system, doing all the fancy | |
402 | timeout stuff, but without interpreting the character in any way, | |
403 | and without printing remote debug information. */ | |
404 | ||
405 | int | |
406 | monitor_readchar () | |
407 | { | |
408 | int c; | |
409 | int looping; | |
410 | ||
411 | do | |
412 | { | |
413 | looping = 0; | |
414 | c = SERIAL_READCHAR (monitor_desc, timeout); | |
415 | ||
416 | if (c >= 0) | |
c5aa993b | 417 | c &= 0xff; /* don't lose bit 7 */ |
c906108c SS |
418 | } |
419 | while (looping); | |
420 | ||
421 | if (c >= 0) | |
422 | return c; | |
423 | ||
424 | if (c == SERIAL_TIMEOUT) | |
c5aa993b | 425 | error ("Timeout reading from remote system."); |
c906108c SS |
426 | |
427 | perror_with_name ("remote-monitor"); | |
428 | } | |
429 | ||
430 | ||
431 | /* Read a character from the remote system, doing all the fancy | |
432 | timeout stuff. */ | |
433 | ||
434 | static int | |
435 | readchar (timeout) | |
436 | int timeout; | |
437 | { | |
438 | int c; | |
c5aa993b JM |
439 | static enum |
440 | { | |
441 | last_random, last_nl, last_cr, last_crnl | |
442 | } | |
443 | state = last_random; | |
c906108c SS |
444 | int looping; |
445 | ||
446 | do | |
447 | { | |
448 | looping = 0; | |
449 | c = SERIAL_READCHAR (monitor_desc, timeout); | |
450 | ||
451 | if (c >= 0) | |
452 | { | |
453 | c &= 0x7f; | |
454 | #if 0 | |
455 | /* This seems to interfere with proper function of the | |
456 | input stream */ | |
457 | if (remote_debug > 0) | |
458 | { | |
459 | char buf[2]; | |
460 | buf[0] = c; | |
461 | buf[1] = '\0'; | |
462 | puts_debug ("read -->", buf, "<--"); | |
463 | } | |
c5aa993b JM |
464 | |
465 | #endif | |
c906108c SS |
466 | } |
467 | ||
468 | /* Canonicialize \n\r combinations into one \r */ | |
469 | if ((current_monitor->flags & MO_HANDLE_NL) != 0) | |
470 | { | |
471 | if ((c == '\r' && state == last_nl) | |
472 | || (c == '\n' && state == last_cr)) | |
473 | { | |
474 | state = last_crnl; | |
475 | looping = 1; | |
476 | } | |
477 | else if (c == '\r') | |
478 | state = last_cr; | |
479 | else if (c != '\n') | |
480 | state = last_random; | |
481 | else | |
482 | { | |
483 | state = last_nl; | |
484 | c = '\r'; | |
485 | } | |
486 | } | |
487 | } | |
488 | while (looping); | |
489 | ||
490 | if (c >= 0) | |
491 | return c; | |
492 | ||
493 | if (c == SERIAL_TIMEOUT) | |
7a292a7a | 494 | #if 0 |
c906108c SS |
495 | /* I fail to see how detaching here can be useful */ |
496 | if (in_monitor_wait) /* Watchdog went off */ | |
497 | { | |
498 | target_mourn_inferior (); | |
499 | error ("GDB serial timeout has expired. Target detached.\n"); | |
500 | } | |
501 | else | |
502 | #endif | |
503 | error ("Timeout reading from remote system."); | |
504 | ||
505 | perror_with_name ("remote-monitor"); | |
506 | } | |
507 | ||
508 | /* Scan input from the remote system, until STRING is found. If BUF is non- | |
509 | zero, then collect input until we have collected either STRING or BUFLEN-1 | |
510 | chars. In either case we terminate BUF with a 0. If input overflows BUF | |
511 | because STRING can't be found, return -1, else return number of chars in BUF | |
512 | (minus the terminating NUL). Note that in the non-overflow case, STRING | |
513 | will be at the end of BUF. */ | |
514 | ||
515 | int | |
516 | monitor_expect (string, buf, buflen) | |
517 | char *string; | |
518 | char *buf; | |
519 | int buflen; | |
520 | { | |
521 | char *p = string; | |
522 | int obuflen = buflen; | |
523 | int c; | |
524 | extern struct target_ops *targ_ops; | |
525 | ||
526 | if (EXTRA_RDEBUG | |
527 | && remote_debug) | |
528 | { | |
529 | char *safe_string = (char *) alloca ((strlen (string) * 4) + 1); | |
530 | monitor_printable_string (safe_string, string); | |
531 | printf ("MON Expecting '%s'\n", safe_string); | |
532 | } | |
533 | ||
534 | immediate_quit = 1; | |
535 | while (1) | |
536 | { | |
537 | if (buf) | |
538 | { | |
539 | if (buflen < 2) | |
540 | { | |
541 | *buf = '\000'; | |
542 | immediate_quit = 0; | |
543 | return -1; | |
544 | } | |
545 | ||
546 | c = readchar (timeout); | |
547 | if (c == '\000') | |
548 | continue; | |
549 | *buf++ = c; | |
550 | buflen--; | |
551 | } | |
552 | else | |
553 | c = readchar (timeout); | |
554 | ||
555 | /* Don't expect any ^C sent to be echoed */ | |
c5aa993b | 556 | |
c906108c SS |
557 | if (*p == '\003' || c == *p) |
558 | { | |
559 | p++; | |
560 | if (*p == '\0') | |
561 | { | |
562 | immediate_quit = 0; | |
563 | ||
564 | if (buf) | |
565 | { | |
566 | *buf++ = '\000'; | |
567 | return obuflen - buflen; | |
568 | } | |
569 | else | |
570 | return 0; | |
571 | } | |
572 | } | |
573 | else if ((c == '\021' || c == '\023') && | |
574 | (STREQ (targ_ops->to_shortname, "m32r") | |
575 | || STREQ (targ_ops->to_shortname, "mon2000"))) | |
c5aa993b | 576 | { /* m32r monitor emits random DC1/DC3 chars */ |
c906108c SS |
577 | continue; |
578 | } | |
579 | else | |
580 | { | |
a0b3c4fd JM |
581 | /* We got a character that doesn't match the string. We need to |
582 | back up p, but how far? If we're looking for "..howdy" and the | |
583 | monitor sends "...howdy"? There's certainly a match in there, | |
584 | but when we receive the third ".", we won't find it if we just | |
585 | restart the matching at the beginning of the string. | |
586 | ||
587 | This is a Boyer-Moore kind of situation. We want to reset P to | |
588 | the end of the longest prefix of STRING that is a suffix of | |
589 | what we've read so far. In the example above, that would be | |
590 | ".." --- the longest prefix of "..howdy" that is a suffix of | |
591 | "...". This longest prefix could be the empty string, if C | |
592 | is nowhere to be found in STRING. | |
593 | ||
594 | If this longest prefix is not the empty string, it must contain | |
595 | C, so let's search from the end of STRING for instances of C, | |
596 | and see if the portion of STRING before that is a suffix of | |
597 | what we read before C. Actually, we can search backwards from | |
598 | p, since we know no prefix can be longer than that. | |
599 | ||
600 | Note that we can use STRING itself, along with C, as a record | |
601 | of what we've received so far. :) */ | |
602 | int i; | |
603 | ||
604 | for (i = (p - string) - 1; i >= 0; i--) | |
605 | if (string[i] == c) | |
606 | { | |
607 | /* Is this prefix a suffix of what we've read so far? | |
608 | In other words, does | |
609 | string[0 .. i-1] == string[p - i, p - 1]? */ | |
610 | if (! memcmp (string, p - i, i)) | |
611 | { | |
612 | p = string + i + 1; | |
613 | break; | |
614 | } | |
615 | } | |
616 | if (i < 0) | |
617 | p = string; | |
c906108c SS |
618 | } |
619 | } | |
620 | } | |
621 | ||
622 | /* Search for a regexp. */ | |
623 | ||
624 | static int | |
625 | monitor_expect_regexp (pat, buf, buflen) | |
626 | struct re_pattern_buffer *pat; | |
627 | char *buf; | |
628 | int buflen; | |
629 | { | |
630 | char *mybuf; | |
631 | char *p; | |
c5aa993b | 632 | RDEBUG (("MON Expecting regexp\n")); |
c906108c SS |
633 | if (buf) |
634 | mybuf = buf; | |
635 | else | |
636 | { | |
637 | mybuf = alloca (1024); | |
638 | buflen = 1024; | |
639 | } | |
640 | ||
641 | p = mybuf; | |
642 | while (1) | |
643 | { | |
644 | int retval; | |
645 | ||
646 | if (p - mybuf >= buflen) | |
647 | { /* Buffer about to overflow */ | |
648 | ||
649 | /* On overflow, we copy the upper half of the buffer to the lower half. Not | |
650 | great, but it usually works... */ | |
651 | ||
652 | memcpy (mybuf, mybuf + buflen / 2, buflen / 2); | |
653 | p = mybuf + buflen / 2; | |
654 | } | |
655 | ||
656 | *p++ = readchar (timeout); | |
657 | ||
658 | retval = re_search (pat, mybuf, p - mybuf, 0, p - mybuf, NULL); | |
659 | if (retval >= 0) | |
660 | return 1; | |
661 | } | |
662 | } | |
663 | ||
664 | /* Keep discarding input until we see the MONITOR prompt. | |
665 | ||
666 | The convention for dealing with the prompt is that you | |
667 | o give your command | |
668 | o *then* wait for the prompt. | |
669 | ||
670 | Thus the last thing that a procedure does with the serial line will | |
671 | be an monitor_expect_prompt(). Exception: monitor_resume does not | |
672 | wait for the prompt, because the terminal is being handed over to | |
673 | the inferior. However, the next thing which happens after that is | |
674 | a monitor_wait which does wait for the prompt. Note that this | |
675 | includes abnormal exit, e.g. error(). This is necessary to prevent | |
676 | getting into states from which we can't recover. */ | |
677 | ||
678 | int | |
679 | monitor_expect_prompt (buf, buflen) | |
680 | char *buf; | |
681 | int buflen; | |
682 | { | |
c5aa993b JM |
683 | RDEBUG (("MON Expecting prompt\n")) |
684 | return monitor_expect (current_monitor->prompt, buf, buflen); | |
c906108c SS |
685 | } |
686 | ||
687 | /* Get N 32-bit words from remote, each preceded by a space, and put | |
688 | them in registers starting at REGNO. */ | |
689 | ||
690 | #if 0 | |
691 | static unsigned long | |
692 | get_hex_word () | |
693 | { | |
694 | unsigned long val; | |
695 | int i; | |
696 | int ch; | |
697 | ||
698 | do | |
699 | ch = readchar (timeout); | |
c5aa993b | 700 | while (isspace (ch)); |
c906108c SS |
701 | |
702 | val = from_hex (ch); | |
703 | ||
704 | for (i = 7; i >= 1; i--) | |
705 | { | |
706 | ch = readchar (timeout); | |
707 | if (!isxdigit (ch)) | |
708 | break; | |
709 | val = (val << 4) | from_hex (ch); | |
710 | } | |
711 | ||
712 | return val; | |
713 | } | |
714 | #endif | |
715 | ||
716 | static void | |
717 | compile_pattern (pattern, compiled_pattern, fastmap) | |
718 | char *pattern; | |
719 | struct re_pattern_buffer *compiled_pattern; | |
720 | char *fastmap; | |
721 | { | |
722 | int tmp; | |
723 | const char *val; | |
724 | ||
725 | compiled_pattern->fastmap = fastmap; | |
726 | ||
727 | tmp = re_set_syntax (RE_SYNTAX_EMACS); | |
728 | val = re_compile_pattern (pattern, | |
729 | strlen (pattern), | |
730 | compiled_pattern); | |
731 | re_set_syntax (tmp); | |
732 | ||
733 | if (val) | |
734 | error ("compile_pattern: Can't compile pattern string `%s': %s!", pattern, val); | |
735 | ||
736 | if (fastmap) | |
737 | re_compile_fastmap (compiled_pattern); | |
738 | } | |
739 | ||
740 | /* Open a connection to a remote debugger. NAME is the filename used | |
741 | for communication. */ | |
742 | ||
743 | void | |
744 | monitor_open (args, mon_ops, from_tty) | |
745 | char *args; | |
746 | struct monitor_ops *mon_ops; | |
747 | int from_tty; | |
748 | { | |
749 | char *name; | |
750 | char **p; | |
751 | ||
752 | if (mon_ops->magic != MONITOR_OPS_MAGIC) | |
753 | error ("Magic number of monitor_ops struct wrong."); | |
754 | ||
755 | targ_ops = mon_ops->target; | |
756 | name = targ_ops->to_shortname; | |
757 | ||
758 | if (!args) | |
759 | error ("Use `target %s DEVICE-NAME' to use a serial port, or \n\ | |
760 | `target %s HOST-NAME:PORT-NUMBER' to use a network connection.", name, name); | |
761 | ||
762 | target_preopen (from_tty); | |
763 | ||
764 | /* Setup pattern for register dump */ | |
765 | ||
766 | if (mon_ops->register_pattern) | |
767 | compile_pattern (mon_ops->register_pattern, ®ister_pattern, | |
768 | register_fastmap); | |
769 | ||
770 | if (mon_ops->getmem.resp_delim) | |
771 | compile_pattern (mon_ops->getmem.resp_delim, &getmem_resp_delim_pattern, | |
772 | getmem_resp_delim_fastmap); | |
773 | ||
774 | unpush_target (targ_ops); | |
775 | ||
776 | if (dev_name) | |
777 | free (dev_name); | |
778 | dev_name = strsave (args); | |
779 | ||
780 | monitor_desc = SERIAL_OPEN (dev_name); | |
781 | ||
782 | if (!monitor_desc) | |
783 | perror_with_name (dev_name); | |
784 | ||
785 | if (baud_rate != -1) | |
786 | { | |
787 | if (SERIAL_SETBAUDRATE (monitor_desc, baud_rate)) | |
788 | { | |
789 | SERIAL_CLOSE (monitor_desc); | |
790 | perror_with_name (dev_name); | |
791 | } | |
792 | } | |
c5aa993b | 793 | |
c906108c SS |
794 | SERIAL_RAW (monitor_desc); |
795 | ||
796 | SERIAL_FLUSH_INPUT (monitor_desc); | |
797 | ||
798 | /* some systems only work with 2 stop bits */ | |
799 | ||
800 | SERIAL_SETSTOPBITS (monitor_desc, mon_ops->stopbits); | |
801 | ||
802 | current_monitor = mon_ops; | |
803 | ||
804 | /* See if we can wake up the monitor. First, try sending a stop sequence, | |
805 | then send the init strings. Last, remove all breakpoints. */ | |
806 | ||
807 | if (current_monitor->stop) | |
808 | { | |
809 | monitor_stop (); | |
810 | if ((current_monitor->flags & MO_NO_ECHO_ON_OPEN) == 0) | |
c5aa993b JM |
811 | { |
812 | RDEBUG (("EXP Open echo\n")); | |
813 | monitor_expect_prompt (NULL, 0); | |
814 | } | |
c906108c SS |
815 | } |
816 | ||
817 | /* wake up the monitor and see if it's alive */ | |
818 | for (p = mon_ops->init; *p != NULL; p++) | |
819 | { | |
820 | /* Some of the characters we send may not be echoed, | |
c5aa993b JM |
821 | but we hope to get a prompt at the end of it all. */ |
822 | ||
c906108c | 823 | if ((current_monitor->flags & MO_NO_ECHO_ON_OPEN) == 0) |
c5aa993b | 824 | monitor_printf (*p); |
c906108c | 825 | else |
c5aa993b | 826 | monitor_printf_noecho (*p); |
c906108c SS |
827 | monitor_expect_prompt (NULL, 0); |
828 | } | |
829 | ||
830 | SERIAL_FLUSH_INPUT (monitor_desc); | |
831 | ||
9e086581 JM |
832 | /* Alloc breakpoints */ |
833 | if (mon_ops->set_break != NULL) | |
834 | { | |
835 | if (mon_ops->num_breakpoints == 0) | |
836 | mon_ops->num_breakpoints = 8; | |
837 | ||
838 | breakaddr = (CORE_ADDR *) xmalloc (mon_ops->num_breakpoints * sizeof (CORE_ADDR)); | |
839 | memset (breakaddr, 0, mon_ops->num_breakpoints * sizeof (CORE_ADDR)); | |
840 | } | |
841 | ||
c906108c SS |
842 | /* Remove all breakpoints */ |
843 | ||
844 | if (mon_ops->clr_all_break) | |
845 | { | |
846 | monitor_printf (mon_ops->clr_all_break); | |
847 | monitor_expect_prompt (NULL, 0); | |
848 | } | |
849 | ||
850 | if (from_tty) | |
851 | printf_unfiltered ("Remote target %s connected to %s\n", name, dev_name); | |
852 | ||
853 | push_target (targ_ops); | |
854 | ||
855 | inferior_pid = 42000; /* Make run command think we are busy... */ | |
856 | ||
857 | /* Give monitor_wait something to read */ | |
858 | ||
859 | monitor_printf (current_monitor->line_term); | |
860 | ||
861 | if (current_monitor->flags & MO_HAS_BLOCKWRITES) | |
862 | remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory_block); | |
863 | else | |
864 | remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory); | |
865 | start_remote (); | |
866 | } | |
867 | ||
868 | /* Close out all files and local state before this target loses | |
869 | control. */ | |
870 | ||
871 | void | |
872 | monitor_close (quitting) | |
873 | int quitting; | |
874 | { | |
875 | if (monitor_desc) | |
876 | SERIAL_CLOSE (monitor_desc); | |
9e086581 JM |
877 | |
878 | /* Free breakpoint memory */ | |
879 | if (breakaddr != NULL) | |
880 | { | |
881 | free (breakaddr); | |
882 | breakaddr = NULL; | |
883 | } | |
884 | ||
c906108c SS |
885 | monitor_desc = NULL; |
886 | } | |
887 | ||
888 | /* Terminate the open connection to the remote debugger. Use this | |
889 | when you want to detach and do something else with your gdb. */ | |
890 | ||
891 | static void | |
892 | monitor_detach (args, from_tty) | |
893 | char *args; | |
894 | int from_tty; | |
895 | { | |
896 | pop_target (); /* calls monitor_close to do the real work */ | |
897 | if (from_tty) | |
898 | printf_unfiltered ("Ending remote %s debugging\n", target_shortname); | |
899 | } | |
900 | ||
901 | /* Convert VALSTR into the target byte-ordered value of REGNO and store it. */ | |
902 | ||
903 | char * | |
904 | monitor_supply_register (regno, valstr) | |
905 | int regno; | |
906 | char *valstr; | |
907 | { | |
908 | unsigned int val; | |
909 | unsigned char regbuf[MAX_REGISTER_RAW_SIZE]; | |
910 | char *p; | |
911 | ||
912 | val = strtoul (valstr, &p, 16); | |
c5aa993b | 913 | RDEBUG (("Supplying Register %d %s\n", regno, valstr)); |
c906108c SS |
914 | |
915 | if (val == 0 && valstr == p) | |
916 | error ("monitor_supply_register (%d): bad value from monitor: %s.", | |
917 | regno, valstr); | |
918 | ||
919 | /* supply register stores in target byte order, so swap here */ | |
920 | ||
921 | store_unsigned_integer (regbuf, REGISTER_RAW_SIZE (regno), val); | |
922 | ||
923 | supply_register (regno, regbuf); | |
924 | ||
925 | return p; | |
926 | } | |
927 | ||
928 | /* Tell the remote machine to resume. */ | |
929 | ||
930 | void | |
931 | flush_monitor_dcache () | |
932 | { | |
933 | dcache_flush (remote_dcache); | |
934 | } | |
935 | ||
936 | static void | |
937 | monitor_resume (pid, step, sig) | |
938 | int pid, step; | |
939 | enum target_signal sig; | |
940 | { | |
941 | /* Some monitors require a different command when starting a program */ | |
c5aa993b | 942 | RDEBUG (("MON resume\n")); |
c906108c SS |
943 | if (current_monitor->flags & MO_RUN_FIRST_TIME && first_time == 1) |
944 | { | |
945 | first_time = 0; | |
946 | monitor_printf ("run\r"); | |
947 | if (current_monitor->flags & MO_NEED_REGDUMP_AFTER_CONT) | |
c5aa993b | 948 | dump_reg_flag = 1; |
c906108c SS |
949 | return; |
950 | } | |
951 | dcache_flush (remote_dcache); | |
952 | if (step) | |
953 | monitor_printf (current_monitor->step); | |
954 | else | |
955 | { | |
956 | if (current_monitor->continue_hook) | |
c5aa993b JM |
957 | (*current_monitor->continue_hook) (); |
958 | else | |
959 | monitor_printf (current_monitor->cont); | |
c906108c SS |
960 | if (current_monitor->flags & MO_NEED_REGDUMP_AFTER_CONT) |
961 | dump_reg_flag = 1; | |
962 | } | |
963 | } | |
964 | ||
965 | /* Parse the output of a register dump command. A monitor specific | |
966 | regexp is used to extract individual register descriptions of the | |
967 | form REG=VAL. Each description is split up into a name and a value | |
968 | string which are passed down to monitor specific code. */ | |
969 | ||
970 | static void | |
971 | parse_register_dump (buf, len) | |
972 | char *buf; | |
973 | int len; | |
974 | { | |
c5aa993b JM |
975 | RDEBUG (("MON Parsing register dump\n")) |
976 | while (1) | |
c906108c SS |
977 | { |
978 | int regnamelen, vallen; | |
979 | char *regname, *val; | |
980 | /* Element 0 points to start of register name, and element 1 | |
c5aa993b | 981 | points to the start of the register value. */ |
c906108c SS |
982 | struct re_registers register_strings; |
983 | ||
984 | memset (®ister_strings, 0, sizeof (struct re_registers)); | |
985 | ||
986 | if (re_search (®ister_pattern, buf, len, 0, len, | |
987 | ®ister_strings) == -1) | |
988 | break; | |
989 | ||
990 | regnamelen = register_strings.end[1] - register_strings.start[1]; | |
991 | regname = buf + register_strings.start[1]; | |
992 | vallen = register_strings.end[2] - register_strings.start[2]; | |
993 | val = buf + register_strings.start[2]; | |
994 | ||
995 | current_monitor->supply_register (regname, regnamelen, val, vallen); | |
996 | ||
997 | buf += register_strings.end[0]; | |
998 | len -= register_strings.end[0]; | |
999 | } | |
1000 | } | |
1001 | ||
1002 | /* Send ^C to target to halt it. Target will respond, and send us a | |
1003 | packet. */ | |
1004 | ||
1005 | static void | |
1006 | monitor_interrupt (signo) | |
1007 | int signo; | |
1008 | { | |
1009 | /* If this doesn't work, try more severe steps. */ | |
1010 | signal (signo, monitor_interrupt_twice); | |
c5aa993b | 1011 | |
c906108c SS |
1012 | if (remote_debug) |
1013 | printf_unfiltered ("monitor_interrupt called\n"); | |
1014 | ||
1015 | target_stop (); | |
1016 | } | |
1017 | ||
1018 | /* The user typed ^C twice. */ | |
1019 | ||
1020 | static void | |
1021 | monitor_interrupt_twice (signo) | |
1022 | int signo; | |
1023 | { | |
1024 | signal (signo, ofunc); | |
c5aa993b | 1025 | |
c906108c SS |
1026 | monitor_interrupt_query (); |
1027 | ||
1028 | signal (signo, monitor_interrupt); | |
1029 | } | |
1030 | ||
1031 | /* Ask the user what to do when an interrupt is received. */ | |
1032 | ||
1033 | static void | |
1034 | monitor_interrupt_query () | |
1035 | { | |
1036 | target_terminal_ours (); | |
1037 | ||
1038 | if (query ("Interrupted while waiting for the program.\n\ | |
1039 | Give up (and stop debugging it)? ")) | |
1040 | { | |
1041 | target_mourn_inferior (); | |
1042 | return_to_top_level (RETURN_QUIT); | |
1043 | } | |
1044 | ||
1045 | target_terminal_inferior (); | |
1046 | } | |
1047 | ||
1048 | static void | |
1049 | monitor_wait_cleanup (old_timeout) | |
1050 | void *old_timeout; | |
1051 | { | |
c5aa993b | 1052 | timeout = *(int *) old_timeout; |
c906108c SS |
1053 | signal (SIGINT, ofunc); |
1054 | in_monitor_wait = 0; | |
1055 | } | |
1056 | ||
1057 | ||
1058 | ||
c5aa993b JM |
1059 | void |
1060 | monitor_wait_filter (char *buf, | |
1061 | int bufmax, | |
1062 | int *ext_resp_len, | |
1063 | struct target_waitstatus *status | |
1064 | ) | |
c906108c | 1065 | { |
c5aa993b | 1066 | int resp_len; |
c906108c SS |
1067 | do |
1068 | { | |
1069 | resp_len = monitor_expect_prompt (buf, bufmax); | |
c5aa993b | 1070 | *ext_resp_len = resp_len; |
c906108c SS |
1071 | |
1072 | if (resp_len <= 0) | |
1073 | fprintf_unfiltered (gdb_stderr, "monitor_wait: excessive response from monitor: %s.", buf); | |
1074 | } | |
1075 | while (resp_len < 0); | |
1076 | ||
1077 | /* Print any output characters that were preceded by ^O. */ | |
1078 | /* FIXME - This would be great as a user settabgle flag */ | |
1079 | if (remote_debug || | |
1080 | current_monitor->flags & MO_PRINT_PROGRAM_OUTPUT) | |
1081 | { | |
1082 | int i; | |
1083 | ||
1084 | for (i = 0; i < resp_len - 1; i++) | |
1085 | if (buf[i] == 0x0f) | |
1086 | putchar_unfiltered (buf[++i]); | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | ||
1091 | ||
1092 | /* Wait until the remote machine stops, then return, storing status in | |
1093 | status just as `wait' would. */ | |
1094 | ||
1095 | static int | |
1096 | monitor_wait (pid, status) | |
1097 | int pid; | |
1098 | struct target_waitstatus *status; | |
1099 | { | |
1100 | int old_timeout = timeout; | |
1101 | char buf[1024]; | |
1102 | int resp_len; | |
1103 | struct cleanup *old_chain; | |
1104 | ||
1105 | status->kind = TARGET_WAITKIND_EXITED; | |
1106 | status->value.integer = 0; | |
1107 | ||
1108 | old_chain = make_cleanup (monitor_wait_cleanup, &old_timeout); | |
c5aa993b | 1109 | RDEBUG (("MON wait\n")) |
c906108c | 1110 | |
7a292a7a | 1111 | #if 0 |
c5aa993b JM |
1112 | /* This is somthing other than a maintenance command */ |
1113 | in_monitor_wait = 1; | |
c906108c SS |
1114 | timeout = watchdog > 0 ? watchdog : -1; |
1115 | #else | |
c5aa993b | 1116 | timeout = -1; /* Don't time out -- user program is running. */ |
c906108c SS |
1117 | #endif |
1118 | ||
1119 | ofunc = (void (*)()) signal (SIGINT, monitor_interrupt); | |
1120 | ||
1121 | if (current_monitor->wait_filter) | |
c5aa993b JM |
1122 | (*current_monitor->wait_filter) (buf, sizeof (buf), &resp_len, status); |
1123 | else | |
1124 | monitor_wait_filter (buf, sizeof (buf), &resp_len, status); | |
1125 | ||
1126 | #if 0 /* Transferred to monitor wait filter */ | |
c906108c SS |
1127 | do |
1128 | { | |
1129 | resp_len = monitor_expect_prompt (buf, sizeof (buf)); | |
1130 | ||
1131 | if (resp_len <= 0) | |
1132 | fprintf_unfiltered (gdb_stderr, "monitor_wait: excessive response from monitor: %s.", buf); | |
1133 | } | |
1134 | while (resp_len < 0); | |
1135 | ||
1136 | /* Print any output characters that were preceded by ^O. */ | |
1137 | /* FIXME - This would be great as a user settabgle flag */ | |
1138 | if (remote_debug || | |
1139 | current_monitor->flags & MO_PRINT_PROGRAM_OUTPUT) | |
1140 | { | |
1141 | int i; | |
1142 | ||
1143 | for (i = 0; i < resp_len - 1; i++) | |
1144 | if (buf[i] == 0x0f) | |
1145 | putchar_unfiltered (buf[++i]); | |
1146 | } | |
c5aa993b | 1147 | #endif |
c906108c SS |
1148 | |
1149 | signal (SIGINT, ofunc); | |
1150 | ||
1151 | timeout = old_timeout; | |
1152 | #if 0 | |
1153 | if (dump_reg_flag && current_monitor->dump_registers) | |
1154 | { | |
1155 | dump_reg_flag = 0; | |
1156 | monitor_printf (current_monitor->dump_registers); | |
1157 | resp_len = monitor_expect_prompt (buf, sizeof (buf)); | |
1158 | } | |
1159 | ||
1160 | if (current_monitor->register_pattern) | |
1161 | parse_register_dump (buf, resp_len); | |
1162 | #else | |
c5aa993b JM |
1163 | RDEBUG (("Wait fetching registers after stop\n")); |
1164 | monitor_dump_regs (); | |
1165 | #endif | |
c906108c SS |
1166 | |
1167 | status->kind = TARGET_WAITKIND_STOPPED; | |
1168 | status->value.sig = TARGET_SIGNAL_TRAP; | |
1169 | ||
1170 | discard_cleanups (old_chain); | |
1171 | ||
1172 | in_monitor_wait = 0; | |
1173 | ||
1174 | return inferior_pid; | |
1175 | } | |
1176 | ||
1177 | /* Fetch register REGNO, or all registers if REGNO is -1. Returns | |
1178 | errno value. */ | |
1179 | ||
1180 | static void | |
1181 | monitor_fetch_register (regno) | |
1182 | int regno; | |
1183 | { | |
1184 | char *name; | |
c5aa993b JM |
1185 | static char zerobuf[MAX_REGISTER_RAW_SIZE] = |
1186 | {0}; | |
c906108c SS |
1187 | char regbuf[MAX_REGISTER_RAW_SIZE * 2 + 1]; |
1188 | int i; | |
1189 | ||
1190 | name = current_monitor->regnames[regno]; | |
c5aa993b | 1191 | RDEBUG (("MON fetchreg %d '%s'\n", regno, name ? name : "(null name)")) |
c906108c | 1192 | |
c5aa993b | 1193 | if (!name || (*name == '\0')) |
7a292a7a SS |
1194 | { |
1195 | RDEBUG (("No register known for %d\n", regno)) | |
c5aa993b | 1196 | supply_register (regno, zerobuf); |
c906108c SS |
1197 | return; |
1198 | } | |
1199 | ||
1200 | /* send the register examine command */ | |
1201 | ||
1202 | monitor_printf (current_monitor->getreg.cmd, name); | |
1203 | ||
1204 | /* If RESP_DELIM is specified, we search for that as a leading | |
1205 | delimiter for the register value. Otherwise, we just start | |
1206 | searching from the start of the buf. */ | |
1207 | ||
1208 | if (current_monitor->getreg.resp_delim) | |
1209 | { | |
c5aa993b JM |
1210 | RDEBUG (("EXP getreg.resp_delim\n")) |
1211 | monitor_expect (current_monitor->getreg.resp_delim, NULL, 0); | |
c906108c SS |
1212 | /* Handle case of first 32 registers listed in pairs. */ |
1213 | if (current_monitor->flags & MO_32_REGS_PAIRED | |
7a292a7a | 1214 | && (regno & 1) != 0 && regno < 32) |
c5aa993b JM |
1215 | { |
1216 | RDEBUG (("EXP getreg.resp_delim\n")); | |
c906108c SS |
1217 | monitor_expect (current_monitor->getreg.resp_delim, NULL, 0); |
1218 | } | |
1219 | } | |
1220 | ||
1221 | /* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set */ | |
c5aa993b | 1222 | if (current_monitor->flags & MO_HEX_PREFIX) |
c906108c SS |
1223 | { |
1224 | int c; | |
1225 | c = readchar (timeout); | |
1226 | while (c == ' ') | |
1227 | c = readchar (timeout); | |
1228 | if ((c == '0') && ((c = readchar (timeout)) == 'x')) | |
1229 | ; | |
1230 | else | |
c5aa993b JM |
1231 | error ("Bad value returned from monitor while fetching register %x.", |
1232 | regno); | |
c906108c SS |
1233 | } |
1234 | ||
1235 | /* Read upto the maximum number of hex digits for this register, skipping | |
1236 | spaces, but stop reading if something else is seen. Some monitors | |
1237 | like to drop leading zeros. */ | |
1238 | ||
1239 | for (i = 0; i < REGISTER_RAW_SIZE (regno) * 2; i++) | |
1240 | { | |
1241 | int c; | |
1242 | c = readchar (timeout); | |
1243 | while (c == ' ') | |
1244 | c = readchar (timeout); | |
1245 | ||
1246 | if (!isxdigit (c)) | |
1247 | break; | |
1248 | ||
1249 | regbuf[i] = c; | |
1250 | } | |
1251 | ||
1252 | regbuf[i] = '\000'; /* terminate the number */ | |
c5aa993b | 1253 | RDEBUG (("REGVAL '%s'\n", regbuf)); |
c906108c SS |
1254 | |
1255 | /* If TERM is present, we wait for that to show up. Also, (if TERM | |
1256 | is present), we will send TERM_CMD if that is present. In any | |
1257 | case, we collect all of the output into buf, and then wait for | |
1258 | the normal prompt. */ | |
1259 | ||
1260 | if (current_monitor->getreg.term) | |
1261 | { | |
c5aa993b JM |
1262 | RDEBUG (("EXP getreg.term\n")) |
1263 | monitor_expect (current_monitor->getreg.term, NULL, 0); /* get response */ | |
c906108c SS |
1264 | } |
1265 | ||
1266 | if (current_monitor->getreg.term_cmd) | |
c5aa993b JM |
1267 | { |
1268 | RDEBUG (("EMIT getreg.term.cmd\n")) | |
c906108c SS |
1269 | monitor_printf (current_monitor->getreg.term_cmd); |
1270 | } | |
c5aa993b JM |
1271 | if (!current_monitor->getreg.term || /* Already expected or */ |
1272 | current_monitor->getreg.term_cmd) /* ack expected */ | |
1273 | monitor_expect_prompt (NULL, 0); /* get response */ | |
c906108c SS |
1274 | |
1275 | monitor_supply_register (regno, regbuf); | |
1276 | } | |
1277 | ||
1278 | /* Sometimes, it takes several commands to dump the registers */ | |
1279 | /* This is a primitive for use by variations of monitor interfaces in | |
1280 | case they need to compose the operation. | |
c5aa993b JM |
1281 | */ |
1282 | int | |
1283 | monitor_dump_reg_block (char *block_cmd) | |
c906108c SS |
1284 | { |
1285 | char buf[1024]; | |
1286 | int resp_len; | |
1287 | monitor_printf (block_cmd); | |
1288 | resp_len = monitor_expect_prompt (buf, sizeof (buf)); | |
1289 | parse_register_dump (buf, resp_len); | |
c5aa993b | 1290 | return 1; |
c906108c SS |
1291 | } |
1292 | ||
1293 | ||
1294 | /* Read the remote registers into the block regs. */ | |
1295 | /* Call the specific function if it has been provided */ | |
1296 | ||
1297 | static void | |
1298 | monitor_dump_regs () | |
1299 | { | |
1300 | char buf[1024]; | |
1301 | int resp_len; | |
1302 | if (current_monitor->dumpregs) | |
c5aa993b JM |
1303 | (*(current_monitor->dumpregs)) (); /* call supplied function */ |
1304 | else if (current_monitor->dump_registers) /* default version */ | |
1305 | { | |
1306 | monitor_printf (current_monitor->dump_registers); | |
c906108c SS |
1307 | resp_len = monitor_expect_prompt (buf, sizeof (buf)); |
1308 | parse_register_dump (buf, resp_len); | |
1309 | } | |
1310 | else | |
c5aa993b | 1311 | abort (); /* Need some way to read registers */ |
c906108c SS |
1312 | } |
1313 | ||
1314 | static void | |
1315 | monitor_fetch_registers (regno) | |
1316 | int regno; | |
1317 | { | |
c5aa993b JM |
1318 | RDEBUG (("MON fetchregs\n")); |
1319 | if (current_monitor->getreg.cmd) | |
c906108c SS |
1320 | { |
1321 | if (regno >= 0) | |
1322 | { | |
1323 | monitor_fetch_register (regno); | |
1324 | return; | |
1325 | } | |
1326 | ||
1327 | for (regno = 0; regno < NUM_REGS; regno++) | |
1328 | monitor_fetch_register (regno); | |
1329 | } | |
c5aa993b JM |
1330 | else |
1331 | { | |
1332 | monitor_dump_regs (); | |
1333 | } | |
c906108c SS |
1334 | } |
1335 | ||
1336 | /* Store register REGNO, or all if REGNO == 0. Return errno value. */ | |
1337 | ||
1338 | static void | |
1339 | monitor_store_register (regno) | |
1340 | int regno; | |
1341 | { | |
1342 | char *name; | |
1343 | unsigned int val; | |
1344 | ||
1345 | name = current_monitor->regnames[regno]; | |
1346 | if (!name || (*name == '\0')) | |
c5aa993b JM |
1347 | { |
1348 | RDEBUG (("MON Cannot store unknown register\n")) | |
1349 | return; | |
c906108c SS |
1350 | } |
1351 | ||
1352 | val = read_register (regno); | |
c5aa993b | 1353 | RDEBUG (("MON storeg %d %08x\n", regno, (unsigned int) val)) |
c906108c SS |
1354 | |
1355 | /* send the register deposit command */ | |
1356 | ||
c5aa993b | 1357 | if (current_monitor->flags & MO_REGISTER_VALUE_FIRST) |
c906108c SS |
1358 | monitor_printf (current_monitor->setreg.cmd, val, name); |
1359 | else if (current_monitor->flags & MO_SETREG_INTERACTIVE) | |
1360 | monitor_printf (current_monitor->setreg.cmd, name); | |
1361 | else | |
1362 | monitor_printf (current_monitor->setreg.cmd, name, val); | |
1363 | ||
1364 | if (current_monitor->setreg.term) | |
c5aa993b JM |
1365 | { |
1366 | RDEBUG (("EXP setreg.term\n")) | |
1367 | monitor_expect (current_monitor->setreg.term, NULL, 0); | |
c906108c SS |
1368 | if (current_monitor->flags & MO_SETREG_INTERACTIVE) |
1369 | monitor_printf ("%x\r", val); | |
1370 | monitor_expect_prompt (NULL, 0); | |
1371 | } | |
1372 | else | |
1373 | monitor_expect_prompt (NULL, 0); | |
c5aa993b JM |
1374 | if (current_monitor->setreg.term_cmd) /* Mode exit required */ |
1375 | { | |
1376 | RDEBUG (("EXP setreg_termcmd\n")); | |
1377 | monitor_printf ("%s", current_monitor->setreg.term_cmd); | |
1378 | monitor_expect_prompt (NULL, 0); | |
c906108c | 1379 | } |
c5aa993b | 1380 | } /* monitor_store_register */ |
c906108c SS |
1381 | |
1382 | /* Store the remote registers. */ | |
1383 | ||
1384 | static void | |
1385 | monitor_store_registers (regno) | |
1386 | int regno; | |
1387 | { | |
1388 | if (regno >= 0) | |
1389 | { | |
1390 | monitor_store_register (regno); | |
1391 | return; | |
1392 | } | |
1393 | ||
1394 | for (regno = 0; regno < NUM_REGS; regno++) | |
1395 | monitor_store_register (regno); | |
1396 | } | |
1397 | ||
1398 | /* Get ready to modify the registers array. On machines which store | |
1399 | individual registers, this doesn't need to do anything. On machines | |
1400 | which store all the registers in one fell swoop, this makes sure | |
1401 | that registers contains all the registers from the program being | |
1402 | debugged. */ | |
1403 | ||
1404 | static void | |
1405 | monitor_prepare_to_store () | |
1406 | { | |
1407 | /* Do nothing, since we can store individual regs */ | |
1408 | } | |
1409 | ||
1410 | static void | |
1411 | monitor_files_info (ops) | |
1412 | struct target_ops *ops; | |
1413 | { | |
1414 | printf_unfiltered ("\tAttached to %s at %d baud.\n", dev_name, baud_rate); | |
1415 | } | |
1416 | ||
1417 | static int | |
1418 | monitor_write_memory (memaddr, myaddr, len) | |
1419 | CORE_ADDR memaddr; | |
1420 | char *myaddr; | |
1421 | int len; | |
1422 | { | |
c5aa993b | 1423 | unsigned int val, hostval; |
c906108c SS |
1424 | char *cmd; |
1425 | int i; | |
1426 | ||
c5aa993b | 1427 | RDEBUG (("MON write %d %08x\n", len, (unsigned long) memaddr)) |
c906108c | 1428 | |
c5aa993b | 1429 | if (current_monitor->flags & MO_ADDR_BITS_REMOVE) |
c906108c SS |
1430 | memaddr = ADDR_BITS_REMOVE (memaddr); |
1431 | ||
1432 | /* Use memory fill command for leading 0 bytes. */ | |
1433 | ||
1434 | if (current_monitor->fill) | |
1435 | { | |
1436 | for (i = 0; i < len; i++) | |
1437 | if (myaddr[i] != 0) | |
1438 | break; | |
1439 | ||
1440 | if (i > 4) /* More than 4 zeros is worth doing */ | |
1441 | { | |
c5aa993b | 1442 | RDEBUG (("MON FILL %d\n", i)) |
c906108c | 1443 | if (current_monitor->flags & MO_FILL_USES_ADDR) |
c5aa993b JM |
1444 | monitor_printf (current_monitor->fill, memaddr, (memaddr + i) - 1, 0); |
1445 | else | |
1446 | monitor_printf (current_monitor->fill, memaddr, i, 0); | |
c906108c SS |
1447 | |
1448 | monitor_expect_prompt (NULL, 0); | |
1449 | ||
1450 | return i; | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | #if 0 | |
1455 | /* Can't actually use long longs if VAL is an int (nice idea, though). */ | |
1456 | if ((memaddr & 0x7) == 0 && len >= 8 && current_monitor->setmem.cmdll) | |
1457 | { | |
1458 | len = 8; | |
1459 | cmd = current_monitor->setmem.cmdll; | |
1460 | } | |
1461 | else | |
1462 | #endif | |
1463 | if ((memaddr & 0x3) == 0 && len >= 4 && current_monitor->setmem.cmdl) | |
1464 | { | |
1465 | len = 4; | |
1466 | cmd = current_monitor->setmem.cmdl; | |
1467 | } | |
1468 | else if ((memaddr & 0x1) == 0 && len >= 2 && current_monitor->setmem.cmdw) | |
1469 | { | |
1470 | len = 2; | |
1471 | cmd = current_monitor->setmem.cmdw; | |
1472 | } | |
1473 | else | |
1474 | { | |
1475 | len = 1; | |
1476 | cmd = current_monitor->setmem.cmdb; | |
1477 | } | |
1478 | ||
1479 | val = extract_unsigned_integer (myaddr, len); | |
c5aa993b | 1480 | |
c906108c | 1481 | if (len == 4) |
c5aa993b JM |
1482 | { |
1483 | hostval = *(unsigned int *) myaddr; | |
1484 | RDEBUG (("Hostval(%08x) val(%08x)\n", hostval, val)); | |
c906108c SS |
1485 | } |
1486 | ||
1487 | ||
1488 | if (current_monitor->flags & MO_NO_ECHO_ON_SETMEM) | |
1489 | monitor_printf_noecho (cmd, memaddr, val); | |
1490 | else if (current_monitor->flags & MO_SETMEM_INTERACTIVE) | |
1491 | { | |
1492 | ||
1493 | monitor_printf_noecho (cmd, memaddr); | |
1494 | ||
1495 | if (current_monitor->setmem.term) | |
c5aa993b JM |
1496 | { |
1497 | RDEBUG (("EXP setmem.term")); | |
c906108c SS |
1498 | monitor_expect (current_monitor->setmem.term, NULL, 0); |
1499 | monitor_printf ("%x\r", val); | |
1500 | } | |
1501 | if (current_monitor->setmem.term_cmd) | |
c5aa993b JM |
1502 | { /* Emit this to get out of the memory editing state */ |
1503 | monitor_printf ("%s", current_monitor->setmem.term_cmd); | |
c906108c SS |
1504 | /* Drop through to expecting a prompt */ |
1505 | } | |
1506 | } | |
1507 | else | |
1508 | monitor_printf (cmd, memaddr, val); | |
1509 | ||
1510 | monitor_expect_prompt (NULL, 0); | |
1511 | ||
1512 | return len; | |
1513 | } | |
1514 | ||
1515 | ||
1516 | static int | |
c5aa993b JM |
1517 | monitor_write_even_block (memaddr, myaddr, len) |
1518 | CORE_ADDR memaddr; | |
1519 | char *myaddr; | |
1520 | int len; | |
c906108c | 1521 | { |
c5aa993b JM |
1522 | unsigned int val; |
1523 | int written = 0;; | |
c906108c | 1524 | /* Enter the sub mode */ |
c5aa993b JM |
1525 | monitor_printf (current_monitor->setmem.cmdl, memaddr); |
1526 | monitor_expect_prompt (NULL, 0); | |
1527 | ||
c906108c SS |
1528 | while (len) |
1529 | { | |
c5aa993b JM |
1530 | val = extract_unsigned_integer (myaddr, 4); /* REALLY */ |
1531 | monitor_printf ("%x\r", val); | |
1532 | myaddr += 4; | |
1533 | memaddr += 4; | |
1534 | written += 4; | |
1535 | RDEBUG ((" @ %08x\n", memaddr)) | |
c906108c | 1536 | /* If we wanted to, here we could validate the address */ |
c5aa993b | 1537 | monitor_expect_prompt (NULL, 0); |
c906108c SS |
1538 | } |
1539 | /* Now exit the sub mode */ | |
1540 | monitor_printf (current_monitor->getreg.term_cmd); | |
c5aa993b JM |
1541 | monitor_expect_prompt (NULL, 0); |
1542 | return written; | |
c906108c SS |
1543 | } |
1544 | ||
1545 | ||
c5aa993b JM |
1546 | static int |
1547 | monitor_write_memory_bytes (memaddr, myaddr, len) | |
1548 | CORE_ADDR memaddr; | |
1549 | char *myaddr; | |
1550 | int len; | |
c906108c | 1551 | { |
c5aa993b JM |
1552 | unsigned char val; |
1553 | int written = 0; | |
1554 | if (len == 0) | |
1555 | return 0; | |
c906108c | 1556 | /* Enter the sub mode */ |
c5aa993b JM |
1557 | monitor_printf (current_monitor->setmem.cmdb, memaddr); |
1558 | monitor_expect_prompt (NULL, 0); | |
c906108c SS |
1559 | while (len) |
1560 | { | |
c5aa993b JM |
1561 | val = *myaddr; |
1562 | monitor_printf ("%x\r", val); | |
1563 | myaddr++; | |
1564 | memaddr++; | |
1565 | written++; | |
c906108c | 1566 | /* If we wanted to, here we could validate the address */ |
c5aa993b JM |
1567 | monitor_expect_prompt (NULL, 0); |
1568 | len--; | |
c906108c SS |
1569 | } |
1570 | /* Now exit the sub mode */ | |
1571 | monitor_printf (current_monitor->getreg.term_cmd); | |
c5aa993b JM |
1572 | monitor_expect_prompt (NULL, 0); |
1573 | return written; | |
c906108c SS |
1574 | } |
1575 | ||
1576 | ||
1577 | static void | |
c5aa993b | 1578 | longlongendswap (unsigned char *a) |
c906108c | 1579 | { |
c5aa993b JM |
1580 | int i, j; |
1581 | unsigned char x; | |
1582 | i = 0; | |
1583 | j = 7; | |
c906108c | 1584 | while (i < 4) |
c5aa993b JM |
1585 | { |
1586 | x = *(a + i); | |
1587 | *(a + i) = *(a + j); | |
1588 | *(a + j) = x; | |
1589 | i++, j--; | |
c906108c SS |
1590 | } |
1591 | } | |
1592 | /* Format 32 chars of long long value, advance the pointer */ | |
c5aa993b JM |
1593 | static char *hexlate = "0123456789abcdef"; |
1594 | static char * | |
1595 | longlong_hexchars (unsigned long long value, | |
1596 | char *outbuff) | |
c906108c | 1597 | { |
c5aa993b JM |
1598 | if (value == 0) |
1599 | { | |
1600 | *outbuff++ = '0'; | |
1601 | return outbuff; | |
1602 | } | |
c906108c | 1603 | else |
c5aa993b JM |
1604 | { |
1605 | static unsigned char disbuf[8]; /* disassembly buffer */ | |
1606 | unsigned char *scan, *limit; /* loop controls */ | |
1607 | unsigned char c, nib; | |
1608 | int leadzero = 1; | |
1609 | scan = disbuf; | |
1610 | limit = scan + 8; | |
1611 | { | |
1612 | unsigned long long *dp; | |
1613 | dp = (unsigned long long *) scan; | |
1614 | *dp = value; | |
c906108c | 1615 | } |
c5aa993b | 1616 | longlongendswap (disbuf); /* FIXME: ONly on big endian hosts */ |
c906108c | 1617 | while (scan < limit) |
7a292a7a | 1618 | { |
c5aa993b | 1619 | c = *scan++; /* a byte of our long long value */ |
c906108c | 1620 | if (leadzero) |
7a292a7a SS |
1621 | { |
1622 | if (c == 0) | |
1623 | continue; | |
1624 | else | |
c5aa993b | 1625 | leadzero = 0; /* henceforth we print even zeroes */ |
7a292a7a | 1626 | } |
c5aa993b | 1627 | nib = c >> 4; /* high nibble bits */ |
7a292a7a | 1628 | *outbuff++ = hexlate[nib]; |
c5aa993b | 1629 | nib = c & 0x0f; /* low nibble bits */ |
7a292a7a | 1630 | *outbuff++ = hexlate[nib]; |
c906108c | 1631 | } |
c5aa993b | 1632 | return outbuff; |
c906108c | 1633 | } |
c5aa993b | 1634 | } /* longlong_hexchars */ |
c906108c SS |
1635 | |
1636 | ||
1637 | ||
1638 | /* I am only going to call this when writing virtual byte streams. | |
1639 | Which possably entails endian conversions | |
c5aa993b JM |
1640 | */ |
1641 | static int | |
1642 | monitor_write_memory_longlongs (memaddr, myaddr, len) | |
1643 | CORE_ADDR memaddr; | |
1644 | char *myaddr; | |
1645 | int len; | |
c906108c | 1646 | { |
c5aa993b JM |
1647 | static char hexstage[20]; /* At least 16 digits required, plus null */ |
1648 | char *endstring; | |
1649 | long long *llptr; | |
1650 | long long value; | |
1651 | int written = 0; | |
1652 | llptr = (unsigned long long *) myaddr; | |
1653 | if (len == 0) | |
1654 | return 0; | |
1655 | monitor_printf (current_monitor->setmem.cmdll, memaddr); | |
1656 | monitor_expect_prompt (NULL, 0); | |
1657 | while (len >= 8) | |
1658 | { | |
1659 | value = *llptr; | |
1660 | endstring = longlong_hexchars (*llptr, hexstage); | |
1661 | *endstring = '\0'; /* NUll terminate for printf */ | |
1662 | monitor_printf ("%s\r", hexstage); | |
1663 | llptr++; | |
1664 | memaddr += 8; | |
1665 | written += 8; | |
c906108c | 1666 | /* If we wanted to, here we could validate the address */ |
c5aa993b JM |
1667 | monitor_expect_prompt (NULL, 0); |
1668 | len -= 8; | |
c906108c SS |
1669 | } |
1670 | /* Now exit the sub mode */ | |
1671 | monitor_printf (current_monitor->getreg.term_cmd); | |
c5aa993b JM |
1672 | monitor_expect_prompt (NULL, 0); |
1673 | return written; | |
1674 | } /* */ | |
c906108c SS |
1675 | |
1676 | ||
1677 | ||
1678 | /* ----- MONITOR_WRITE_MEMORY_BLOCK ---------------------------- */ | |
1679 | /* This is for the large blocks of memory which may occur in downloading. | |
1680 | And for monitors which use interactive entry, | |
1681 | And for monitors which do not have other downloading methods. | |
1682 | Without this, we will end up calling monitor_write_memory many times | |
1683 | and do the entry and exit of the sub mode many times | |
1684 | This currently assumes... | |
c5aa993b JM |
1685 | MO_SETMEM_INTERACTIVE |
1686 | ! MO_NO_ECHO_ON_SETMEM | |
1687 | To use this, the you have to patch the monitor_cmds block with | |
1688 | this function. Otherwise, its not tuned up for use by all | |
1689 | monitor variations. | |
1690 | */ | |
c906108c | 1691 | |
c5aa993b JM |
1692 | static int |
1693 | monitor_write_memory_block (memaddr, myaddr, len) | |
1694 | CORE_ADDR memaddr; | |
1695 | char *myaddr; | |
1696 | int len; | |
c906108c | 1697 | { |
c5aa993b JM |
1698 | int written; |
1699 | written = 0; | |
c906108c | 1700 | /* FIXME: This would be a good place to put the zero test */ |
c5aa993b | 1701 | #if 1 |
c906108c | 1702 | if ((len > 8) && (((len & 0x07)) == 0) && current_monitor->setmem.cmdll) |
c5aa993b JM |
1703 | { |
1704 | return monitor_write_memory_longlongs (memaddr, myaddr, len); | |
1705 | } | |
1706 | #endif | |
1707 | #if 0 | |
c906108c SS |
1708 | if (len > 4) |
1709 | { | |
c5aa993b JM |
1710 | int sublen; |
1711 | written = monitor_write_even_block (memaddr, myaddr, len); | |
c906108c | 1712 | /* Adjust calling parameters by written amount */ |
c5aa993b JM |
1713 | memaddr += written; |
1714 | myaddr += written; | |
1715 | len -= written; | |
c906108c SS |
1716 | } |
1717 | #endif | |
c5aa993b JM |
1718 | written = monitor_write_memory_bytes (memaddr, myaddr, len); |
1719 | return written; | |
c906108c SS |
1720 | } |
1721 | ||
1722 | /* This is an alternate form of monitor_read_memory which is used for monitors | |
1723 | which can only read a single byte/word/etc. at a time. */ | |
1724 | ||
1725 | static int | |
1726 | monitor_read_memory_single (memaddr, myaddr, len) | |
1727 | CORE_ADDR memaddr; | |
1728 | char *myaddr; | |
1729 | int len; | |
1730 | { | |
1731 | unsigned int val; | |
c5aa993b | 1732 | char membuf[sizeof (int) * 2 + 1]; |
c906108c SS |
1733 | char *p; |
1734 | char *cmd; | |
1735 | int i; | |
1736 | ||
c5aa993b | 1737 | RDEBUG (("MON read single\n")); |
c906108c SS |
1738 | #if 0 |
1739 | /* Can't actually use long longs (nice idea, though). In fact, the | |
1740 | call to strtoul below will fail if it tries to convert a value | |
1741 | that's too big to fit in a long. */ | |
1742 | if ((memaddr & 0x7) == 0 && len >= 8 && current_monitor->getmem.cmdll) | |
1743 | { | |
1744 | len = 8; | |
1745 | cmd = current_monitor->getmem.cmdll; | |
1746 | } | |
1747 | else | |
1748 | #endif | |
1749 | if ((memaddr & 0x3) == 0 && len >= 4 && current_monitor->getmem.cmdl) | |
1750 | { | |
1751 | len = 4; | |
1752 | cmd = current_monitor->getmem.cmdl; | |
1753 | } | |
1754 | else if ((memaddr & 0x1) == 0 && len >= 2 && current_monitor->getmem.cmdw) | |
1755 | { | |
1756 | len = 2; | |
1757 | cmd = current_monitor->getmem.cmdw; | |
1758 | } | |
1759 | else | |
1760 | { | |
1761 | len = 1; | |
1762 | cmd = current_monitor->getmem.cmdb; | |
1763 | } | |
1764 | ||
1765 | /* Send the examine command. */ | |
1766 | ||
1767 | monitor_printf (cmd, memaddr); | |
1768 | ||
1769 | /* If RESP_DELIM is specified, we search for that as a leading | |
1770 | delimiter for the memory value. Otherwise, we just start | |
1771 | searching from the start of the buf. */ | |
1772 | ||
1773 | if (current_monitor->getmem.resp_delim) | |
c5aa993b JM |
1774 | { |
1775 | RDEBUG (("EXP getmem.resp_delim\n")); | |
c906108c SS |
1776 | monitor_expect_regexp (&getmem_resp_delim_pattern, NULL, 0); |
1777 | } | |
1778 | ||
1779 | /* Now, read the appropriate number of hex digits for this loc, | |
1780 | skipping spaces. */ | |
1781 | ||
1782 | /* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set. */ | |
c5aa993b | 1783 | if (current_monitor->flags & MO_HEX_PREFIX) |
c906108c SS |
1784 | { |
1785 | int c; | |
1786 | ||
1787 | c = readchar (timeout); | |
1788 | while (c == ' ') | |
1789 | c = readchar (timeout); | |
1790 | if ((c == '0') && ((c = readchar (timeout)) == 'x')) | |
1791 | ; | |
1792 | else | |
1793 | monitor_error ("monitor_read_memory_single (0x%x): bad response from monitor: %.*s%c.", | |
1794 | memaddr, i, membuf, c); | |
1795 | } | |
1796 | for (i = 0; i < len * 2; i++) | |
1797 | { | |
1798 | int c; | |
1799 | ||
1800 | while (1) | |
1801 | { | |
1802 | c = readchar (timeout); | |
1803 | if (isxdigit (c)) | |
1804 | break; | |
1805 | if (c == ' ') | |
1806 | continue; | |
1807 | ||
1808 | monitor_error ("monitor_read_memory_single (0x%x): bad response from monitor: %.*s%c.", | |
1809 | memaddr, i, membuf, c); | |
1810 | } | |
1811 | ||
1812 | membuf[i] = c; | |
1813 | } | |
1814 | ||
1815 | membuf[i] = '\000'; /* terminate the number */ | |
1816 | ||
1817 | /* If TERM is present, we wait for that to show up. Also, (if TERM is | |
1818 | present), we will send TERM_CMD if that is present. In any case, we collect | |
1819 | all of the output into buf, and then wait for the normal prompt. */ | |
1820 | ||
1821 | if (current_monitor->getmem.term) | |
1822 | { | |
c5aa993b | 1823 | monitor_expect (current_monitor->getmem.term, NULL, 0); /* get response */ |
c906108c SS |
1824 | |
1825 | if (current_monitor->getmem.term_cmd) | |
1826 | { | |
1827 | monitor_printf (current_monitor->getmem.term_cmd); | |
1828 | monitor_expect_prompt (NULL, 0); | |
1829 | } | |
1830 | } | |
1831 | else | |
c5aa993b | 1832 | monitor_expect_prompt (NULL, 0); /* get response */ |
c906108c SS |
1833 | |
1834 | p = membuf; | |
1835 | val = strtoul (membuf, &p, 16); | |
1836 | ||
1837 | if (val == 0 && membuf == p) | |
1838 | monitor_error ("monitor_read_memory_single (0x%x): bad value from monitor: %s.", | |
1839 | memaddr, 0, membuf, 0); | |
1840 | ||
1841 | /* supply register stores in target byte order, so swap here */ | |
1842 | ||
1843 | store_unsigned_integer (myaddr, len, val); | |
1844 | ||
1845 | return len; | |
1846 | } | |
1847 | ||
1848 | /* Copy LEN bytes of data from debugger memory at MYADDR to inferior's | |
1849 | memory at MEMADDR. Returns length moved. Currently, we do no more | |
1850 | than 16 bytes at a time. */ | |
1851 | ||
1852 | static int | |
1853 | monitor_read_memory (memaddr, myaddr, len) | |
1854 | CORE_ADDR memaddr; | |
1855 | char *myaddr; | |
1856 | int len; | |
1857 | { | |
1858 | unsigned int val; | |
1859 | char buf[512]; | |
1860 | char *p, *p1; | |
1861 | int resp_len; | |
1862 | int i; | |
1863 | CORE_ADDR dumpaddr; | |
1864 | ||
1865 | if (len <= 0) | |
1866 | { | |
1867 | RDEBUG (("Zero length call to monitor_read_memory\n")); | |
1868 | return 0; | |
1869 | } | |
1870 | ||
c5aa993b JM |
1871 | if (remote_debug) |
1872 | printf ("MON read block ta(%08x) ha(%08x) %d\n", | |
1873 | (unsigned long) memaddr, (unsigned long) myaddr, len); | |
c906108c SS |
1874 | |
1875 | if (current_monitor->flags & MO_ADDR_BITS_REMOVE) | |
1876 | memaddr = ADDR_BITS_REMOVE (memaddr); | |
1877 | ||
1878 | if (current_monitor->flags & MO_GETMEM_READ_SINGLE) | |
1879 | return monitor_read_memory_single (memaddr, myaddr, len); | |
1880 | ||
1881 | len = min (len, 16); | |
1882 | ||
1883 | /* Some dumpers align the first data with the preceeding 16 | |
1884 | byte boundary. Some print blanks and start at the | |
1885 | requested boundary. EXACT_DUMPADDR | |
c5aa993b | 1886 | */ |
c906108c SS |
1887 | |
1888 | dumpaddr = (current_monitor->flags & MO_EXACT_DUMPADDR) | |
c5aa993b | 1889 | ? memaddr : memaddr & ~0x0f; |
c906108c SS |
1890 | |
1891 | /* See if xfer would cross a 16 byte boundary. If so, clip it. */ | |
1892 | if (((memaddr ^ (memaddr + len - 1)) & ~0xf) != 0) | |
1893 | len = ((memaddr + len) & ~0xf) - memaddr; | |
1894 | ||
1895 | /* send the memory examine command */ | |
1896 | ||
1897 | if (current_monitor->flags & MO_GETMEM_NEEDS_RANGE) | |
7a292a7a | 1898 | monitor_printf (current_monitor->getmem.cmdb, memaddr, memaddr + len); |
c906108c SS |
1899 | else if (current_monitor->flags & MO_GETMEM_16_BOUNDARY) |
1900 | monitor_printf (current_monitor->getmem.cmdb, dumpaddr); | |
1901 | else | |
1902 | monitor_printf (current_monitor->getmem.cmdb, memaddr, len); | |
1903 | ||
1904 | /* If TERM is present, we wait for that to show up. Also, (if TERM | |
1905 | is present), we will send TERM_CMD if that is present. In any | |
1906 | case, we collect all of the output into buf, and then wait for | |
1907 | the normal prompt. */ | |
1908 | ||
1909 | if (current_monitor->getmem.term) | |
1910 | { | |
c5aa993b | 1911 | resp_len = monitor_expect (current_monitor->getmem.term, buf, sizeof buf); /* get response */ |
c906108c SS |
1912 | |
1913 | if (resp_len <= 0) | |
1914 | monitor_error ("monitor_read_memory (0x%x): excessive response from monitor: %.*s.", | |
1915 | memaddr, resp_len, buf, 0); | |
1916 | ||
1917 | if (current_monitor->getmem.term_cmd) | |
1918 | { | |
1919 | SERIAL_WRITE (monitor_desc, current_monitor->getmem.term_cmd, | |
1920 | strlen (current_monitor->getmem.term_cmd)); | |
1921 | monitor_expect_prompt (NULL, 0); | |
1922 | } | |
1923 | } | |
1924 | else | |
c5aa993b | 1925 | resp_len = monitor_expect_prompt (buf, sizeof buf); /* get response */ |
c906108c SS |
1926 | |
1927 | p = buf; | |
1928 | ||
1929 | /* If RESP_DELIM is specified, we search for that as a leading | |
1930 | delimiter for the values. Otherwise, we just start searching | |
1931 | from the start of the buf. */ | |
1932 | ||
1933 | if (current_monitor->getmem.resp_delim) | |
1934 | { | |
1935 | int retval, tmp; | |
1936 | struct re_registers resp_strings; | |
c5aa993b | 1937 | RDEBUG (("MON getmem.resp_delim %s\n", current_monitor->getmem.resp_delim)); |
c906108c SS |
1938 | |
1939 | memset (&resp_strings, 0, sizeof (struct re_registers)); | |
1940 | tmp = strlen (p); | |
1941 | retval = re_search (&getmem_resp_delim_pattern, p, tmp, 0, tmp, | |
1942 | &resp_strings); | |
1943 | ||
1944 | if (retval < 0) | |
1945 | monitor_error ("monitor_read_memory (0x%x): bad response from monitor: %.*s.", | |
1946 | memaddr, resp_len, buf, 0); | |
1947 | ||
1948 | p += resp_strings.end[0]; | |
1949 | #if 0 | |
1950 | p = strstr (p, current_monitor->getmem.resp_delim); | |
1951 | if (!p) | |
1952 | monitor_error ("monitor_read_memory (0x%x): bad response from monitor: %.*s.", | |
1953 | memaddr, resp_len, buf, 0); | |
1954 | p += strlen (current_monitor->getmem.resp_delim); | |
1955 | #endif | |
1956 | } | |
c5aa993b JM |
1957 | if (remote_debug) |
1958 | printf ("MON scanning %d ,%08x '%s'\n", len, p, p); | |
c906108c SS |
1959 | if (current_monitor->flags & MO_GETMEM_16_BOUNDARY) |
1960 | { | |
c5aa993b JM |
1961 | char c; |
1962 | int fetched = 0; | |
c906108c | 1963 | i = len; |
c5aa993b | 1964 | c = *p; |
c906108c | 1965 | |
c5aa993b JM |
1966 | |
1967 | while (!(c == '\000' || c == '\n' || c == '\r') && i > 0) | |
1968 | { | |
1969 | if (isxdigit (c)) | |
1970 | { | |
1971 | if ((dumpaddr >= memaddr) && (i > 0)) | |
1972 | { | |
1973 | val = fromhex (c) * 16 + fromhex (*(p + 1)); | |
c906108c | 1974 | *myaddr++ = val; |
c5aa993b JM |
1975 | if (remote_debug) |
1976 | printf ("[%02x]", val); | |
c906108c | 1977 | --i; |
c5aa993b | 1978 | fetched++; |
c906108c SS |
1979 | } |
1980 | ++dumpaddr; | |
1981 | ++p; | |
1982 | } | |
c5aa993b JM |
1983 | ++p; /* skip a blank or other non hex char */ |
1984 | c = *p; | |
c906108c | 1985 | } |
c5aa993b JM |
1986 | if (fetched == 0) |
1987 | error ("Failed to read via monitor"); | |
1988 | if (remote_debug) | |
1989 | printf ("\n"); | |
1990 | return fetched; /* Return the number of bytes actually read */ | |
c906108c | 1991 | } |
c5aa993b | 1992 | RDEBUG (("MON scanning bytes\n")); |
c906108c SS |
1993 | |
1994 | for (i = len; i > 0; i--) | |
1995 | { | |
1996 | /* Skip non-hex chars, but bomb on end of string and newlines */ | |
1997 | ||
1998 | while (1) | |
1999 | { | |
2000 | if (isxdigit (*p)) | |
2001 | break; | |
2002 | ||
2003 | if (*p == '\000' || *p == '\n' || *p == '\r') | |
2004 | monitor_error ("monitor_read_memory (0x%x): badly terminated response from monitor: %.*s", | |
2005 | memaddr, resp_len, buf, 0); | |
2006 | p++; | |
2007 | } | |
2008 | ||
2009 | val = strtoul (p, &p1, 16); | |
2010 | ||
2011 | if (val == 0 && p == p1) | |
2012 | monitor_error ("monitor_read_memory (0x%x): bad value from monitor: %.*s.", | |
2013 | memaddr, resp_len, buf, 0); | |
2014 | ||
2015 | *myaddr++ = val; | |
2016 | ||
2017 | if (i == 1) | |
2018 | break; | |
2019 | ||
2020 | p = p1; | |
2021 | } | |
2022 | ||
2023 | return len; | |
2024 | } | |
2025 | ||
2026 | static int | |
2027 | monitor_xfer_memory (memaddr, myaddr, len, write, target) | |
2028 | CORE_ADDR memaddr; | |
2029 | char *myaddr; | |
2030 | int len; | |
2031 | int write; | |
c5aa993b | 2032 | struct target_ops *target; /* ignored */ |
c906108c SS |
2033 | { |
2034 | return dcache_xfer_memory (remote_dcache, memaddr, myaddr, len, write); | |
2035 | } | |
2036 | ||
2037 | static void | |
2038 | monitor_kill () | |
2039 | { | |
c5aa993b | 2040 | return; /* ignore attempts to kill target system */ |
c906108c SS |
2041 | } |
2042 | ||
2043 | /* All we actually do is set the PC to the start address of exec_bfd, and start | |
2044 | the program at that point. */ | |
2045 | ||
2046 | static void | |
2047 | monitor_create_inferior (exec_file, args, env) | |
2048 | char *exec_file; | |
2049 | char *args; | |
2050 | char **env; | |
2051 | { | |
2052 | if (args && (*args != '\000')) | |
2053 | error ("Args are not supported by the monitor."); | |
2054 | ||
2055 | first_time = 1; | |
2056 | clear_proceed_status (); | |
2057 | proceed (bfd_get_start_address (exec_bfd), TARGET_SIGNAL_0, 0); | |
2058 | } | |
2059 | ||
2060 | /* Clean up when a program exits. | |
2061 | The program actually lives on in the remote processor's RAM, and may be | |
2062 | run again without a download. Don't leave it full of breakpoint | |
2063 | instructions. */ | |
2064 | ||
2065 | static void | |
2066 | monitor_mourn_inferior () | |
2067 | { | |
2068 | unpush_target (targ_ops); | |
2069 | generic_mourn_inferior (); /* Do all the proper things now */ | |
2070 | } | |
2071 | ||
c906108c SS |
2072 | /* Tell the monitor to add a breakpoint. */ |
2073 | ||
2074 | static int | |
2075 | monitor_insert_breakpoint (addr, shadow) | |
2076 | CORE_ADDR addr; | |
2077 | char *shadow; | |
2078 | { | |
2079 | int i; | |
2080 | unsigned char *bp; | |
2081 | int bplen; | |
2082 | ||
c5aa993b JM |
2083 | RDEBUG (("MON inst bkpt %08x\n", addr)) |
2084 | if (current_monitor->set_break == NULL) | |
c906108c SS |
2085 | error ("No set_break defined for this monitor"); |
2086 | ||
2087 | if (current_monitor->flags & MO_ADDR_BITS_REMOVE) | |
2088 | addr = ADDR_BITS_REMOVE (addr); | |
2089 | ||
2090 | /* Determine appropriate breakpoint size for this address. */ | |
2091 | bp = memory_breakpoint_from_pc (&addr, &bplen); | |
2092 | ||
9e086581 | 2093 | for (i = 0; i < current_monitor->num_breakpoints; i++) |
c906108c SS |
2094 | { |
2095 | if (breakaddr[i] == 0) | |
2096 | { | |
2097 | breakaddr[i] = addr; | |
2098 | monitor_read_memory (addr, shadow, bplen); | |
2099 | monitor_printf (current_monitor->set_break, addr); | |
2100 | monitor_expect_prompt (NULL, 0); | |
2101 | return 0; | |
2102 | } | |
2103 | } | |
2104 | ||
9e086581 | 2105 | error ("Too many breakpoints (> %d) for monitor.", current_monitor->num_breakpoints); |
c906108c SS |
2106 | } |
2107 | ||
2108 | /* Tell the monitor to remove a breakpoint. */ | |
2109 | ||
2110 | static int | |
2111 | monitor_remove_breakpoint (addr, shadow) | |
2112 | CORE_ADDR addr; | |
2113 | char *shadow; | |
2114 | { | |
2115 | int i; | |
2116 | ||
c5aa993b JM |
2117 | RDEBUG (("MON rmbkpt %08x\n", addr)) |
2118 | if (current_monitor->clr_break == NULL) | |
c906108c SS |
2119 | error ("No clr_break defined for this monitor"); |
2120 | ||
2121 | if (current_monitor->flags & MO_ADDR_BITS_REMOVE) | |
2122 | addr = ADDR_BITS_REMOVE (addr); | |
2123 | ||
9e086581 | 2124 | for (i = 0; i < current_monitor->num_breakpoints; i++) |
c906108c SS |
2125 | { |
2126 | if (breakaddr[i] == addr) | |
2127 | { | |
2128 | breakaddr[i] = 0; | |
2129 | /* some monitors remove breakpoints based on the address */ | |
2130 | if (current_monitor->flags & MO_CLR_BREAK_USES_ADDR) | |
2131 | monitor_printf (current_monitor->clr_break, addr); | |
2132 | else if (current_monitor->flags & MO_CLR_BREAK_1_BASED) | |
2133 | monitor_printf (current_monitor->clr_break, i + 1); | |
2134 | else | |
2135 | monitor_printf (current_monitor->clr_break, i); | |
2136 | monitor_expect_prompt (NULL, 0); | |
2137 | return 0; | |
2138 | } | |
2139 | } | |
2140 | fprintf_unfiltered (gdb_stderr, | |
2141 | "Can't find breakpoint associated with 0x%x\n", addr); | |
2142 | return 1; | |
2143 | } | |
2144 | ||
2145 | /* monitor_wait_srec_ack -- wait for the target to send an acknowledgement for | |
2146 | an S-record. Return non-zero if the ACK is received properly. */ | |
2147 | ||
2148 | static int | |
2149 | monitor_wait_srec_ack () | |
2150 | { | |
2151 | int i, ch; | |
2152 | ||
2153 | if (current_monitor->flags & MO_SREC_ACK_PLUS) | |
2154 | { | |
2155 | return (readchar (timeout) == '+'); | |
2156 | } | |
2157 | else if (current_monitor->flags & MO_SREC_ACK_ROTATE) | |
2158 | { | |
2159 | /* Eat two backspaces, a "rotating" char (|/-\), and a space. */ | |
2160 | if ((ch = readchar (1)) < 0) | |
2161 | return 0; | |
2162 | if ((ch = readchar (1)) < 0) | |
2163 | return 0; | |
2164 | if ((ch = readchar (1)) < 0) | |
2165 | return 0; | |
2166 | if ((ch = readchar (1)) < 0) | |
2167 | return 0; | |
2168 | } | |
2169 | return 1; | |
2170 | } | |
2171 | ||
2172 | /* monitor_load -- download a file. */ | |
2173 | ||
2174 | static void | |
2175 | monitor_load (file, from_tty) | |
c5aa993b JM |
2176 | char *file; |
2177 | int from_tty; | |
c906108c SS |
2178 | { |
2179 | dcache_flush (remote_dcache); | |
c5aa993b | 2180 | RDEBUG (("MON load\n")) |
c906108c | 2181 | |
c5aa993b | 2182 | if (current_monitor->load_routine) |
c906108c SS |
2183 | current_monitor->load_routine (monitor_desc, file, hashmark); |
2184 | else | |
2185 | { /* The default is ascii S-records */ | |
2186 | int n; | |
2187 | unsigned long load_offset; | |
2188 | char buf[128]; | |
2189 | ||
2190 | /* enable user to specify address for downloading as 2nd arg to load */ | |
2191 | n = sscanf (file, "%s 0x%lx", buf, &load_offset); | |
2192 | if (n > 1) | |
2193 | file = buf; | |
2194 | else | |
2195 | load_offset = 0; | |
2196 | ||
2197 | monitor_printf (current_monitor->load); | |
2198 | if (current_monitor->loadresp) | |
2199 | monitor_expect (current_monitor->loadresp, NULL, 0); | |
2200 | ||
2201 | load_srec (monitor_desc, file, (bfd_vma) load_offset, | |
2202 | 32, SREC_ALL, hashmark, | |
2203 | current_monitor->flags & MO_SREC_ACK ? | |
c5aa993b | 2204 | monitor_wait_srec_ack : NULL); |
c906108c SS |
2205 | |
2206 | monitor_expect_prompt (NULL, 0); | |
2207 | } | |
2208 | ||
2209 | /* Finally, make the PC point at the start address */ | |
2210 | ||
2211 | if (exec_bfd) | |
2212 | write_pc (bfd_get_start_address (exec_bfd)); | |
2213 | ||
2214 | inferior_pid = 0; /* No process now */ | |
2215 | ||
2216 | /* This is necessary because many things were based on the PC at the time that | |
2217 | we attached to the monitor, which is no longer valid now that we have loaded | |
2218 | new code (and just changed the PC). Another way to do this might be to call | |
2219 | normal_stop, except that the stack may not be valid, and things would get | |
2220 | horribly confused... */ | |
2221 | ||
2222 | clear_symtab_users (); | |
2223 | } | |
2224 | ||
2225 | static void | |
2226 | monitor_stop () | |
2227 | { | |
c5aa993b | 2228 | RDEBUG (("MON stop\n")); |
c906108c SS |
2229 | if ((current_monitor->flags & MO_SEND_BREAK_ON_STOP) != 0) |
2230 | SERIAL_SEND_BREAK (monitor_desc); | |
2231 | if (current_monitor->stop) | |
2232 | monitor_printf_noecho (current_monitor->stop); | |
2233 | } | |
2234 | ||
96baa820 JM |
2235 | /* Put a COMMAND string out to MONITOR. Output from MONITOR is placed |
2236 | in OUTPUT until the prompt is seen. FIXME: We read the characters | |
2237 | ourseleves here cause of a nasty echo. */ | |
c906108c SS |
2238 | |
2239 | static void | |
96baa820 JM |
2240 | monitor_rcmd (char *command, |
2241 | struct gdb_file *outbuf) | |
c906108c SS |
2242 | { |
2243 | char *p; | |
2244 | int resp_len; | |
2245 | char buf[1000]; | |
2246 | ||
2247 | if (monitor_desc == NULL) | |
2248 | error ("monitor target not open."); | |
2249 | ||
2250 | p = current_monitor->prompt; | |
2251 | ||
2252 | /* Send the command. Note that if no args were supplied, then we're | |
2253 | just sending the monitor a newline, which is sometimes useful. */ | |
2254 | ||
96baa820 | 2255 | monitor_printf ("%s\r", (command ? command : "")); |
c906108c SS |
2256 | |
2257 | resp_len = monitor_expect_prompt (buf, sizeof buf); | |
2258 | ||
96baa820 | 2259 | fputs_unfiltered (buf, outbuf); /* Output the response */ |
c906108c SS |
2260 | } |
2261 | ||
2262 | /* Convert hex digit A to a number. */ | |
2263 | ||
2264 | #if 0 | |
2265 | static int | |
2266 | from_hex (a) | |
2267 | int a; | |
c5aa993b | 2268 | { |
c906108c SS |
2269 | if (a >= '0' && a <= '9') |
2270 | return a - '0'; | |
2271 | if (a >= 'a' && a <= 'f') | |
2272 | return a - 'a' + 10; | |
2273 | if (a >= 'A' && a <= 'F') | |
2274 | return a - 'A' + 10; | |
2275 | ||
2276 | error ("Reply contains invalid hex digit 0x%x", a); | |
2277 | } | |
2278 | #endif | |
2279 | ||
2280 | char * | |
2281 | monitor_get_dev_name () | |
2282 | { | |
2283 | return dev_name; | |
2284 | } | |
2285 | ||
2286 | static struct target_ops monitor_ops; | |
2287 | ||
2288 | static void | |
2289 | init_base_monitor_ops (void) | |
2290 | { | |
2291 | monitor_ops.to_shortname = NULL; | |
2292 | monitor_ops.to_longname = NULL; | |
2293 | monitor_ops.to_doc = NULL; | |
2294 | monitor_ops.to_open = NULL; | |
2295 | monitor_ops.to_close = monitor_close; | |
2296 | monitor_ops.to_attach = NULL; | |
2297 | monitor_ops.to_post_attach = NULL; | |
2298 | monitor_ops.to_require_attach = NULL; | |
2299 | monitor_ops.to_detach = monitor_detach; | |
2300 | monitor_ops.to_require_detach = NULL; | |
2301 | monitor_ops.to_resume = monitor_resume; | |
2302 | monitor_ops.to_wait = monitor_wait; | |
2303 | monitor_ops.to_post_wait = NULL; | |
2304 | monitor_ops.to_fetch_registers = monitor_fetch_registers; | |
2305 | monitor_ops.to_store_registers = monitor_store_registers; | |
2306 | monitor_ops.to_prepare_to_store = monitor_prepare_to_store; | |
2307 | monitor_ops.to_xfer_memory = monitor_xfer_memory; | |
2308 | monitor_ops.to_files_info = monitor_files_info; | |
2309 | monitor_ops.to_insert_breakpoint = monitor_insert_breakpoint; | |
2310 | monitor_ops.to_remove_breakpoint = monitor_remove_breakpoint; | |
2311 | monitor_ops.to_terminal_init = 0; | |
2312 | monitor_ops.to_terminal_inferior = 0; | |
2313 | monitor_ops.to_terminal_ours_for_output = 0; | |
2314 | monitor_ops.to_terminal_ours = 0; | |
2315 | monitor_ops.to_terminal_info = 0; | |
2316 | monitor_ops.to_kill = monitor_kill; | |
2317 | monitor_ops.to_load = monitor_load; | |
2318 | monitor_ops.to_lookup_symbol = 0; | |
2319 | monitor_ops.to_create_inferior = monitor_create_inferior; | |
2320 | monitor_ops.to_post_startup_inferior = NULL; | |
2321 | monitor_ops.to_acknowledge_created_inferior = NULL; | |
2322 | monitor_ops.to_clone_and_follow_inferior = NULL; | |
2323 | monitor_ops.to_post_follow_inferior_by_clone = NULL; | |
2324 | monitor_ops.to_insert_fork_catchpoint = NULL; | |
2325 | monitor_ops.to_remove_fork_catchpoint = NULL; | |
2326 | monitor_ops.to_insert_vfork_catchpoint = NULL; | |
2327 | monitor_ops.to_remove_vfork_catchpoint = NULL; | |
2328 | monitor_ops.to_has_forked = NULL; | |
2329 | monitor_ops.to_has_vforked = NULL; | |
2330 | monitor_ops.to_can_follow_vfork_prior_to_exec = NULL; | |
2331 | monitor_ops.to_post_follow_vfork = NULL; | |
2332 | monitor_ops.to_insert_exec_catchpoint = NULL; | |
2333 | monitor_ops.to_remove_exec_catchpoint = NULL; | |
2334 | monitor_ops.to_has_execd = NULL; | |
2335 | monitor_ops.to_reported_exec_events_per_exec_call = NULL; | |
2336 | monitor_ops.to_has_exited = NULL; | |
2337 | monitor_ops.to_mourn_inferior = monitor_mourn_inferior; | |
2338 | monitor_ops.to_can_run = 0; | |
2339 | monitor_ops.to_notice_signals = 0; | |
2340 | monitor_ops.to_thread_alive = 0; | |
2341 | monitor_ops.to_stop = monitor_stop; | |
96baa820 | 2342 | monitor_ops.to_rcmd = monitor_rcmd; |
c906108c SS |
2343 | monitor_ops.to_pid_to_exec_file = NULL; |
2344 | monitor_ops.to_core_file_to_sym_file = NULL; | |
2345 | monitor_ops.to_stratum = process_stratum; | |
2346 | monitor_ops.DONT_USE = 0; | |
2347 | monitor_ops.to_has_all_memory = 1; | |
2348 | monitor_ops.to_has_memory = 1; | |
2349 | monitor_ops.to_has_stack = 1; | |
2350 | monitor_ops.to_has_registers = 1; | |
2351 | monitor_ops.to_has_execution = 1; | |
2352 | monitor_ops.to_sections = 0; | |
2353 | monitor_ops.to_sections_end = 0; | |
2354 | monitor_ops.to_magic = OPS_MAGIC; | |
c5aa993b | 2355 | } /* init_base_monitor_ops */ |
c906108c SS |
2356 | |
2357 | /* Init the target_ops structure pointed at by OPS */ | |
2358 | ||
2359 | void | |
2360 | init_monitor_ops (ops) | |
2361 | struct target_ops *ops; | |
2362 | { | |
2363 | if (monitor_ops.to_magic != OPS_MAGIC) | |
2364 | init_base_monitor_ops (); | |
2365 | ||
2366 | memcpy (ops, &monitor_ops, sizeof monitor_ops); | |
2367 | } | |
2368 | ||
2369 | /* Define additional commands that are usually only used by monitors. */ | |
2370 | ||
2371 | void | |
2372 | _initialize_remote_monitors () | |
2373 | { | |
2374 | init_base_monitor_ops (); | |
2375 | add_show_from_set (add_set_cmd ("hash", no_class, var_boolean, | |
c5aa993b | 2376 | (char *) &hashmark, |
c906108c SS |
2377 | "Set display of activity while downloading a file.\n\ |
2378 | When enabled, a hashmark \'#\' is displayed.", | |
c5aa993b | 2379 | &setlist), |
c906108c | 2380 | &showlist); |
c906108c | 2381 | } |