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