Commit | Line | Data |
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40b92220 | 1 | /* Generic remote debugging interface for simulators. |
4da8b2a5 | 2 | Copyright 1993, 1994, 1996 Free Software Foundation, Inc. |
40b92220 | 3 | Contributed by Cygnus Support. |
47424e79 | 4 | Steve Chamberlain (sac@cygnus.com). |
ec25d19b SC |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
6c9638b4 | 20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
ec25d19b SC |
21 | |
22 | #include "defs.h" | |
23 | #include "inferior.h" | |
24 | #include "wait.h" | |
25 | #include "value.h" | |
2b576293 | 26 | #include "gdb_string.h" |
ec25d19b SC |
27 | #include <ctype.h> |
28 | #include <fcntl.h> | |
29 | #include <signal.h> | |
30 | #include <setjmp.h> | |
31 | #include <errno.h> | |
32 | #include "terminal.h" | |
33 | #include "target.h" | |
34 | #include "gdbcore.h" | |
4da8b2a5 | 35 | #include "callback.h" |
59c2be48 | 36 | #include "remote-sim.h" |
f1e7bafc | 37 | #include "remote-utils.h" |
40b92220 | 38 | |
8501c742 SG |
39 | /* Prototypes */ |
40 | ||
41 | static void dump_mem PARAMS ((char *buf, int len)); | |
42 | ||
4da8b2a5 DE |
43 | static void init_callbacks PARAMS ((void)); |
44 | ||
45 | static void end_callbacks PARAMS ((void)); | |
46 | ||
47 | static int gdb_os_write_stdout PARAMS ((host_callback *, const char *, int)); | |
48 | ||
49 | static void gdb_os_printf_filtered PARAMS ((host_callback *, const char *, ...)); | |
50 | ||
163a75af DE |
51 | static void gdb_os_error PARAMS ((host_callback *, const char *, ...)); |
52 | ||
8501c742 SG |
53 | static void gdbsim_fetch_register PARAMS ((int regno)); |
54 | ||
55 | static void gdbsim_store_register PARAMS ((int regno)); | |
56 | ||
57 | static void gdbsim_kill PARAMS ((void)); | |
58 | ||
59 | static void gdbsim_load PARAMS ((char *prog, int fromtty)); | |
60 | ||
61 | static void gdbsim_create_inferior PARAMS ((char *exec_file, char *args, char **env)); | |
62 | ||
63 | static void gdbsim_open PARAMS ((char *args, int from_tty)); | |
64 | ||
65 | static void gdbsim_close PARAMS ((int quitting)); | |
66 | ||
67 | static void gdbsim_detach PARAMS ((char *args, int from_tty)); | |
68 | ||
69 | static void gdbsim_resume PARAMS ((int pid, int step, enum target_signal siggnal)); | |
70 | ||
71 | static int gdbsim_wait PARAMS ((int pid, struct target_waitstatus *status)); | |
72 | ||
73 | static void gdbsim_prepare_to_store PARAMS ((void)); | |
74 | ||
75 | static int gdbsim_xfer_inferior_memory PARAMS ((CORE_ADDR memaddr, | |
76 | char *myaddr, int len, | |
77 | int write, | |
78 | struct target_ops *target)); | |
79 | ||
80 | static void gdbsim_files_info PARAMS ((struct target_ops *target)); | |
81 | ||
82 | static void gdbsim_mourn_inferior PARAMS ((void)); | |
83 | ||
84 | static void simulator_command PARAMS ((char *args, int from_tty)); | |
85 | ||
40b92220 JK |
86 | /* Naming convention: |
87 | ||
88 | sim_* are the interface to the simulator (see remote-sim.h). | |
40b92220 | 89 | gdbsim_* are stuff which is internal to gdb. */ |
ec25d19b SC |
90 | |
91 | /* Forward data declarations */ | |
40b92220 | 92 | extern struct target_ops gdbsim_ops; |
ec25d19b | 93 | |
40b92220 JK |
94 | static int program_loaded = 0; |
95 | ||
d9ad8adf DE |
96 | /* We must keep track of whether the simulator has been opened or not because |
97 | GDB can call a target's close routine twice, but sim_close doesn't allow | |
98 | this. */ | |
99 | static int gdbsim_open_p = 0; | |
100 | ||
40b92220 JK |
101 | static void |
102 | dump_mem (buf, len) | |
103 | char *buf; | |
ec25d19b SC |
104 | int len; |
105 | { | |
40b92220 JK |
106 | if (len <= 8) |
107 | { | |
108 | if (len == 8 || len == 4) | |
109 | { | |
110 | long l[2]; | |
111 | memcpy (l, buf, len); | |
112 | printf_filtered ("\t0x%x", l[0]); | |
113 | printf_filtered (len == 8 ? " 0x%x\n" : "\n", l[1]); | |
114 | } | |
115 | else | |
116 | { | |
117 | int i; | |
118 | printf_filtered ("\t"); | |
119 | for (i = 0; i < len; i++) | |
120 | printf_filtered ("0x%x ", buf[i]); | |
121 | printf_filtered ("\n"); | |
122 | } | |
123 | } | |
124 | } | |
125 | ||
4da8b2a5 DE |
126 | static host_callback gdb_callback; |
127 | static int callbacks_initialized = 0; | |
128 | ||
129 | /* Initialize gdb_callback. */ | |
130 | ||
131 | static void | |
132 | init_callbacks () | |
133 | { | |
134 | if (! callbacks_initialized) | |
135 | { | |
136 | gdb_callback = default_callback; | |
163a75af DE |
137 | gdb_callback.init (&gdb_callback); |
138 | gdb_callback.write_stdout = gdb_os_write_stdout; | |
139 | gdb_callback.printf_filtered = gdb_os_printf_filtered; | |
7ae78a73 DP |
140 | /* ??? where'd error come from? */ |
141 | /*gdb_callback.error = gdb_os_error;*/ | |
142 | gdb_callback.last_errno= gdb_os_error; | |
4da8b2a5 DE |
143 | sim_set_callbacks (&gdb_callback); |
144 | callbacks_initialized = 1; | |
145 | } | |
146 | } | |
147 | ||
148 | /* Release callbacks (free resources used by them). */ | |
149 | ||
150 | static void | |
151 | end_callbacks () | |
152 | { | |
153 | if (callbacks_initialized) | |
154 | { | |
155 | gdb_callback.shutdown (&gdb_callback); | |
156 | callbacks_initialized = 0; | |
157 | } | |
158 | } | |
159 | ||
160 | /* GDB version of os_write_stdout callback. */ | |
161 | ||
162 | static int | |
163 | gdb_os_write_stdout (p, buf, len) | |
164 | host_callback *p; | |
165 | const char *buf; | |
166 | int len; | |
167 | { | |
168 | int i; | |
169 | char b[2]; | |
170 | ||
171 | for (i = 0; i < len; i++) | |
172 | { | |
173 | b[0] = buf[i]; | |
174 | b[1] = 0; | |
175 | if (target_output_hook) | |
176 | target_output_hook (b); | |
177 | else | |
178 | fputs_filtered (b, gdb_stdout); | |
179 | } | |
180 | return len; | |
181 | } | |
182 | ||
183 | /* GDB version of printf_filtered callback. */ | |
184 | ||
185 | /* VARARGS */ | |
186 | static void | |
187 | #ifdef ANSI_PROTOTYPES | |
188 | gdb_os_printf_filtered (host_callback *p, const char *format, ...) | |
189 | #else | |
190 | gdb_os_printf_filtered (p, va_alist) | |
191 | host_callback *p; | |
192 | va_dcl | |
193 | #endif | |
194 | { | |
195 | va_list args; | |
196 | #ifdef ANSI_PROTOTYPES | |
197 | va_start (args, format); | |
198 | #else | |
199 | char *format; | |
200 | ||
201 | va_start (args); | |
202 | format = va_arg (args, char *); | |
203 | #endif | |
204 | ||
163a75af | 205 | vfprintf_filtered (gdb_stdout, format, args); |
4da8b2a5 DE |
206 | |
207 | va_end (args); | |
208 | } | |
209 | ||
163a75af DE |
210 | /* GDB version of error callback. */ |
211 | ||
212 | /* VARARGS */ | |
213 | static void | |
214 | #ifdef ANSI_PROTOTYPES | |
215 | gdb_os_error (host_callback *p, const char *format, ...) | |
216 | #else | |
217 | gdb_os_error (p, va_alist) | |
218 | host_callback *p; | |
219 | va_dcl | |
220 | #endif | |
221 | { | |
222 | if (error_hook) | |
223 | (*error_hook) (); | |
224 | else | |
225 | { | |
226 | va_list args; | |
227 | #ifdef ANSI_PROTOTYPES | |
228 | va_start (args, format); | |
229 | #else | |
230 | char *format; | |
231 | ||
232 | va_start (args); | |
233 | format = va_arg (args, char *); | |
234 | #endif | |
235 | ||
236 | error_begin (); | |
237 | vfprintf_filtered (gdb_stderr, format, args); | |
238 | fprintf_filtered (gdb_stderr, "\n"); | |
239 | va_end (args); | |
240 | return_to_top_level (RETURN_ERROR); | |
241 | } | |
242 | } | |
243 | ||
40b92220 JK |
244 | static void |
245 | gdbsim_fetch_register (regno) | |
246 | int regno; | |
247 | { | |
248 | if (regno == -1) | |
249 | { | |
250 | for (regno = 0; regno < NUM_REGS; regno++) | |
251 | gdbsim_fetch_register (regno); | |
252 | } | |
253 | else | |
254 | { | |
255 | char buf[MAX_REGISTER_RAW_SIZE]; | |
256 | ||
257 | sim_fetch_register (regno, buf); | |
258 | supply_register (regno, buf); | |
259 | if (sr_get_debug ()) | |
260 | { | |
261 | printf_filtered ("gdbsim_fetch_register: %d", regno); | |
262 | /* FIXME: We could print something more intelligible. */ | |
263 | dump_mem (buf, REGISTER_RAW_SIZE (regno)); | |
264 | } | |
265 | } | |
ec25d19b SC |
266 | } |
267 | ||
6b009ef6 | 268 | |
a944e79a | 269 | static void |
40b92220 | 270 | gdbsim_store_register (regno) |
ec25d19b SC |
271 | int regno; |
272 | { | |
273 | if (regno == -1) | |
40b92220 JK |
274 | { |
275 | for (regno = 0; regno < NUM_REGS; regno++) | |
276 | gdbsim_store_register (regno); | |
277 | } | |
278 | else | |
279 | { | |
280 | /* FIXME: Until read_register() returns LONGEST, we have this. */ | |
3beff94e SC |
281 | char tmp[MAX_REGISTER_RAW_SIZE]; |
282 | read_register_gen (regno, tmp); | |
283 | sim_store_register (regno, tmp); | |
40b92220 JK |
284 | if (sr_get_debug ()) |
285 | { | |
286 | printf_filtered ("gdbsim_store_register: %d", regno); | |
287 | /* FIXME: We could print something more intelligible. */ | |
3beff94e | 288 | dump_mem (tmp, REGISTER_RAW_SIZE (regno)); |
40b92220 JK |
289 | } |
290 | } | |
ec25d19b SC |
291 | } |
292 | ||
47424e79 DE |
293 | /* Kill the running program. This may involve closing any open files |
294 | and releasing other resources acquired by the simulated program. */ | |
295 | ||
40b92220 JK |
296 | static void |
297 | gdbsim_kill () | |
298 | { | |
299 | if (sr_get_debug ()) | |
300 | printf_filtered ("gdbsim_kill\n"); | |
301 | ||
302 | sim_kill (); /* close fd's, remove mappings */ | |
303 | inferior_pid = 0; | |
304 | } | |
305 | ||
306 | /* Load an executable file into the target process. This is expected to | |
307 | not only bring new code into the target process, but also to update | |
308 | GDB's symbol tables to match. */ | |
ec25d19b | 309 | |
ec25d19b | 310 | static void |
40b92220 JK |
311 | gdbsim_load (prog, fromtty) |
312 | char *prog; | |
313 | int fromtty; | |
ec25d19b | 314 | { |
40b92220 JK |
315 | if (sr_get_debug ()) |
316 | printf_filtered ("gdbsim_load: prog \"%s\"\n", prog); | |
ec25d19b | 317 | |
47424e79 DE |
318 | inferior_pid = 0; |
319 | ||
320 | /* This must be done before calling gr_load_image. */ | |
40b92220 | 321 | program_loaded = 1; |
47424e79 DE |
322 | |
323 | if (sim_load (prog, fromtty) != 0) | |
dedcc91d | 324 | generic_load (prog, fromtty); |
40b92220 JK |
325 | } |
326 | ||
ec25d19b | 327 | |
40b92220 JK |
328 | /* Start an inferior process and set inferior_pid to its pid. |
329 | EXEC_FILE is the file to run. | |
163a75af | 330 | ARGS is a string containing the arguments to the program. |
40b92220 JK |
331 | ENV is the environment vector to pass. Errors reported with error(). |
332 | On VxWorks and various standalone systems, we ignore exec_file. */ | |
ec25d19b SC |
333 | /* This is called not only when we first attach, but also when the |
334 | user types "run" after having attached. */ | |
40b92220 JK |
335 | |
336 | static void | |
337 | gdbsim_create_inferior (exec_file, args, env) | |
338 | char *exec_file; | |
ec25d19b SC |
339 | char *args; |
340 | char **env; | |
341 | { | |
47424e79 | 342 | int len; |
40b92220 | 343 | char *arg_buf,**argv; |
47424e79 | 344 | CORE_ADDR entry_pt; |
ec25d19b | 345 | |
40b92220 JK |
346 | if (! program_loaded) |
347 | error ("No program loaded."); | |
ec25d19b | 348 | |
40b92220 JK |
349 | if (sr_get_debug ()) |
350 | printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n", | |
351 | exec_file, args); | |
352 | ||
353 | if (exec_file == 0 || exec_bfd == 0) | |
354 | error ("No exec file specified."); | |
ec25d19b | 355 | |
47424e79 | 356 | entry_pt = (CORE_ADDR) bfd_get_start_address (exec_bfd); |
40b92220 | 357 | |
8501c742 | 358 | gdbsim_kill (); |
40b92220 | 359 | remove_breakpoints (); |
ec25d19b | 360 | init_wait_for_inferior (); |
ec25d19b | 361 | |
163a75af | 362 | len = strlen (exec_file) + 1 + strlen (args) + 1 + /*slop*/ 10; |
40b92220 JK |
363 | arg_buf = (char *) alloca (len); |
364 | arg_buf[0] = '\0'; | |
365 | strcat (arg_buf, exec_file); | |
366 | strcat (arg_buf, " "); | |
367 | strcat (arg_buf, args); | |
368 | argv = buildargv (arg_buf); | |
369 | make_cleanup (freeargv, (char *) argv); | |
47424e79 | 370 | sim_create_inferior (entry_pt, argv, env); |
40b92220 JK |
371 | |
372 | inferior_pid = 42; | |
373 | insert_breakpoints (); /* Needed to get correct instruction in cache */ | |
45dc9be3 | 374 | proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0); |
40b92220 | 375 | } |
ec25d19b | 376 | |
40b92220 JK |
377 | /* The open routine takes the rest of the parameters from the command, |
378 | and (if successful) pushes a new target onto the stack. | |
379 | Targets should supply this routine, if only to provide an error message. */ | |
380 | /* Called when selecting the simulator. EG: (gdb) target sim name. */ | |
ec25d19b | 381 | |
a944e79a | 382 | static void |
40b92220 JK |
383 | gdbsim_open (args, from_tty) |
384 | char *args; | |
ec25d19b SC |
385 | int from_tty; |
386 | { | |
40b92220 | 387 | if (sr_get_debug ()) |
47424e79 | 388 | printf_filtered ("gdbsim_open: args \"%s\"\n", args ? args : "(null)"); |
7a29d686 | 389 | |
d9ad8adf DE |
390 | /* Remove current simulator if one exists. Only do this if the simulator |
391 | has been opened because sim_close requires it. | |
392 | This is important because the call to push_target below will cause | |
393 | sim_close to be called if the simulator is already open, but push_target | |
394 | is called after sim_open! We can't move the call to push_target before | |
395 | the call to sim_open because sim_open may invoke `error'. */ | |
396 | if (gdbsim_open_p) | |
397 | unpush_target (&gdbsim_ops); | |
398 | ||
4da8b2a5 | 399 | init_callbacks (); |
7a29d686 | 400 | |
3e38efa0 | 401 | sim_open (args); |
d9ad8adf | 402 | gdbsim_open_p = 1; |
3e38efa0 | 403 | |
40b92220 JK |
404 | push_target (&gdbsim_ops); |
405 | target_fetch_registers (-1); | |
40b92220 | 406 | printf_filtered ("Connected to the simulator.\n"); |
ec25d19b SC |
407 | } |
408 | ||
40b92220 JK |
409 | /* Does whatever cleanup is required for a target that we are no longer |
410 | going to be calling. Argument says whether we are quitting gdb and | |
411 | should not get hung in case of errors, or whether we want a clean | |
412 | termination even if it takes a while. This routine is automatically | |
413 | always called just before a routine is popped off the target stack. | |
414 | Closing file descriptors and freeing memory are typical things it should | |
415 | do. */ | |
ec25d19b SC |
416 | /* Close out all files and local state before this target loses control. */ |
417 | ||
a944e79a | 418 | static void |
40b92220 | 419 | gdbsim_close (quitting) |
ec25d19b SC |
420 | int quitting; |
421 | { | |
40b92220 JK |
422 | if (sr_get_debug ()) |
423 | printf_filtered ("gdbsim_close: quitting %d\n", quitting); | |
424 | ||
425 | program_loaded = 0; | |
426 | ||
d9ad8adf DE |
427 | if (gdbsim_open_p) |
428 | { | |
429 | sim_close (quitting); | |
430 | gdbsim_open_p = 0; | |
431 | } | |
4da8b2a5 DE |
432 | |
433 | end_callbacks (); | |
ec25d19b SC |
434 | } |
435 | ||
40b92220 JK |
436 | /* Takes a program previously attached to and detaches it. |
437 | The program may resume execution (some targets do, some don't) and will | |
438 | no longer stop on signals, etc. We better not have left any breakpoints | |
439 | in the program or it'll die when it hits one. ARGS is arguments | |
440 | typed by the user (e.g. a signal to send the process). FROM_TTY | |
441 | says whether to be verbose or not. */ | |
ec25d19b | 442 | /* Terminate the open connection to the remote debugger. |
40b92220 JK |
443 | Use this when you want to detach and do something else with your gdb. */ |
444 | ||
445 | static void | |
446 | gdbsim_detach (args,from_tty) | |
ec25d19b SC |
447 | char *args; |
448 | int from_tty; | |
449 | { | |
40b92220 JK |
450 | if (sr_get_debug ()) |
451 | printf_filtered ("gdbsim_detach: args \"%s\"\n", args); | |
a944e79a | 452 | |
40b92220 JK |
453 | pop_target (); /* calls gdbsim_close to do the real work */ |
454 | if (from_tty) | |
455 | printf_filtered ("Ending simulator %s debugging\n", target_shortname); | |
ec25d19b SC |
456 | } |
457 | ||
40b92220 JK |
458 | /* Resume execution of the target process. STEP says whether to single-step |
459 | or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given | |
460 | to the target, or zero for no signal. */ | |
461 | ||
462 | static void | |
463 | gdbsim_resume (pid, step, siggnal) | |
67ac9759 JK |
464 | int pid, step; |
465 | enum target_signal siggnal; | |
40b92220 | 466 | { |
6bafbdfb JL |
467 | if (inferior_pid != 42) |
468 | error ("The program is not being run."); | |
469 | ||
40b92220 JK |
470 | if (sr_get_debug ()) |
471 | printf_filtered ("gdbsim_resume: step %d, signal %d\n", step, siggnal); | |
ec25d19b | 472 | |
67ac9759 | 473 | sim_resume (step, target_signal_to_host (siggnal)); |
40b92220 | 474 | } |
ec25d19b | 475 | |
40b92220 JK |
476 | /* Wait for inferior process to do something. Return pid of child, |
477 | or -1 in case of error; store status through argument pointer STATUS, | |
478 | just as `wait' would. */ | |
ec25d19b | 479 | |
40b92220 | 480 | static int |
de43d7d0 SG |
481 | gdbsim_wait (pid, status) |
482 | int pid; | |
67ac9759 | 483 | struct target_waitstatus *status; |
ec25d19b | 484 | { |
592f517a | 485 | int sigrc; |
c7efaa16 | 486 | enum sim_stop reason; |
592f517a | 487 | |
40b92220 | 488 | if (sr_get_debug ()) |
67ac9759 JK |
489 | printf_filtered ("gdbsim_wait\n"); |
490 | ||
c7efaa16 | 491 | sim_stop_reason (&reason, &sigrc); |
67ac9759 JK |
492 | switch (reason) |
493 | { | |
494 | case sim_exited: | |
495 | status->kind = TARGET_WAITKIND_EXITED; | |
496 | status->value.integer = sigrc; | |
497 | break; | |
498 | case sim_stopped: | |
499 | status->kind = TARGET_WAITKIND_STOPPED; | |
500 | /* The signal in sigrc is a host signal. That probably | |
501 | should be fixed. */ | |
502 | status->value.sig = target_signal_from_host (sigrc); | |
503 | break; | |
504 | case sim_signalled: | |
505 | status->kind = TARGET_WAITKIND_SIGNALLED; | |
506 | /* The signal in sigrc is a host signal. That probably | |
507 | should be fixed. */ | |
508 | status->value.sig = target_signal_from_host (sigrc); | |
509 | break; | |
510 | } | |
511 | ||
3f0184ac | 512 | return inferior_pid; |
ec25d19b SC |
513 | } |
514 | ||
40b92220 JK |
515 | /* Get ready to modify the registers array. On machines which store |
516 | individual registers, this doesn't need to do anything. On machines | |
517 | which store all the registers in one fell swoop, this makes sure | |
518 | that registers contains all the registers from the program being | |
519 | debugged. */ | |
520 | ||
ec25d19b | 521 | static void |
40b92220 | 522 | gdbsim_prepare_to_store () |
ec25d19b | 523 | { |
40b92220 | 524 | /* Do nothing, since we can store individual regs */ |
ec25d19b SC |
525 | } |
526 | ||
40b92220 JK |
527 | static int |
528 | gdbsim_xfer_inferior_memory (memaddr, myaddr, len, write, target) | |
ec25d19b SC |
529 | CORE_ADDR memaddr; |
530 | char *myaddr; | |
531 | int len; | |
532 | int write; | |
533 | struct target_ops *target; /* ignored */ | |
534 | { | |
40b92220 JK |
535 | if (! program_loaded) |
536 | error ("No program loaded."); | |
537 | ||
538 | if (sr_get_debug ()) | |
539 | { | |
540 | printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x%x, memaddr 0x%x, len %d, write %d\n", | |
541 | myaddr, memaddr, len, write); | |
542 | if (sr_get_debug () && write) | |
543 | dump_mem(myaddr, len); | |
544 | } | |
545 | ||
ec25d19b | 546 | if (write) |
40b92220 JK |
547 | { |
548 | len = sim_write (memaddr, myaddr, len); | |
549 | } | |
ec25d19b | 550 | else |
40b92220 JK |
551 | { |
552 | len = sim_read (memaddr, myaddr, len); | |
553 | if (sr_get_debug () && len > 0) | |
554 | dump_mem(myaddr, len); | |
555 | } | |
ec25d19b SC |
556 | return len; |
557 | } | |
558 | ||
40b92220 JK |
559 | static void |
560 | gdbsim_files_info (target) | |
561 | struct target_ops *target; | |
562 | { | |
563 | char *file = "nothing"; | |
ec25d19b | 564 | |
40b92220 JK |
565 | if (exec_bfd) |
566 | file = bfd_get_filename (exec_bfd); | |
ec25d19b | 567 | |
40b92220 JK |
568 | if (sr_get_debug ()) |
569 | printf_filtered ("gdbsim_files_info: file \"%s\"\n", file); | |
570 | ||
571 | if (exec_bfd) | |
572 | { | |
573 | printf_filtered ("\tAttached to %s running program %s\n", | |
574 | target_shortname, file); | |
47424e79 | 575 | sim_info (0); |
40b92220 | 576 | } |
ec25d19b SC |
577 | } |
578 | ||
fb506180 | 579 | /* Clear the simulator's notion of what the break points are. */ |
ec25d19b | 580 | |
40b92220 JK |
581 | static void |
582 | gdbsim_mourn_inferior () | |
583 | { | |
584 | if (sr_get_debug ()) | |
585 | printf_filtered ("gdbsim_mourn_inferior:\n"); | |
ec25d19b | 586 | |
40b92220 JK |
587 | remove_breakpoints (); |
588 | generic_mourn_inferior (); | |
ec25d19b | 589 | } |
40b92220 | 590 | |
07997f65 SS |
591 | /* Pass the command argument through to the simulator verbatim. The |
592 | simulator must do any command interpretation work. */ | |
ec25d19b | 593 | |
fb506180 SS |
594 | static void |
595 | simulator_command (args, from_tty) | |
596 | char *args; | |
597 | int from_tty; | |
ec25d19b | 598 | { |
07997f65 SS |
599 | /* The user may give a command before the simulator is opened, so |
600 | ensure that the callbacks have been set up. */ | |
4da8b2a5 | 601 | init_callbacks (); |
07997f65 | 602 | |
fb506180 SS |
603 | sim_do_command (args); |
604 | } | |
605 | ||
606 | /* Define the target subroutine names */ | |
607 | ||
608 | struct target_ops gdbsim_ops = { | |
609 | "sim", /* to_shortname */ | |
610 | "simulator", /* to_longname */ | |
611 | "Use the compiled-in simulator.", /* to_doc */ | |
612 | gdbsim_open, /* to_open */ | |
613 | gdbsim_close, /* to_close */ | |
614 | NULL, /* to_attach */ | |
615 | gdbsim_detach, /* to_detach */ | |
616 | gdbsim_resume, /* to_resume */ | |
617 | gdbsim_wait, /* to_wait */ | |
618 | gdbsim_fetch_register, /* to_fetch_registers */ | |
619 | gdbsim_store_register, /* to_store_registers */ | |
620 | gdbsim_prepare_to_store, /* to_prepare_to_store */ | |
621 | gdbsim_xfer_inferior_memory, /* to_xfer_memory */ | |
622 | gdbsim_files_info, /* to_files_info */ | |
623 | memory_insert_breakpoint, /* to_insert_breakpoint */ | |
624 | memory_remove_breakpoint, /* to_remove_breakpoint */ | |
625 | NULL, /* to_terminal_init */ | |
626 | NULL, /* to_terminal_inferior */ | |
627 | NULL, /* to_terminal_ours_for_output */ | |
628 | NULL, /* to_terminal_ours */ | |
629 | NULL, /* to_terminal_info */ | |
630 | gdbsim_kill, /* to_kill */ | |
631 | gdbsim_load, /* to_load */ | |
632 | NULL, /* to_lookup_symbol */ | |
633 | gdbsim_create_inferior, /* to_create_inferior */ | |
634 | gdbsim_mourn_inferior, /* to_mourn_inferior */ | |
635 | 0, /* to_can_run */ | |
636 | 0, /* to_notice_signals */ | |
43fc25c8 | 637 | 0, /* to_thread_alive */ |
78b459a7 | 638 | 0, /* to_stop */ |
fb506180 SS |
639 | process_stratum, /* to_stratum */ |
640 | NULL, /* to_next */ | |
641 | 1, /* to_has_all_memory */ | |
642 | 1, /* to_has_memory */ | |
643 | 1, /* to_has_stack */ | |
644 | 1, /* to_has_registers */ | |
645 | 1, /* to_has_execution */ | |
646 | NULL, /* sections */ | |
647 | NULL, /* sections_end */ | |
648 | OPS_MAGIC, /* to_magic */ | |
ec25d19b SC |
649 | }; |
650 | ||
ec25d19b SC |
651 | void |
652 | _initialize_remote_sim () | |
653 | { | |
40b92220 | 654 | add_target (&gdbsim_ops); |
fb506180 SS |
655 | |
656 | add_com ("sim <command>", class_obscure, simulator_command, | |
657 | "Send a command to the simulator."); | |
ec25d19b | 658 | } |