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fb40c209 AC |
1 | /* MI Command Set. |
2 | Copyright (C) 2000, Free Software Foundation, Inc. | |
ab91fdd5 | 3 | Contributed by Cygnus Solutions (a Red Hat company). |
fb40c209 AC |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | /* Work in progress */ | |
23 | ||
24 | #include "defs.h" | |
25 | #include "target.h" | |
26 | #include "inferior.h" | |
27 | #include "gdb_string.h" | |
28 | #include "top.h" | |
29 | #include "gdbthread.h" | |
30 | #include "mi-cmds.h" | |
31 | #include "mi-parse.h" | |
32 | #include "mi-getopt.h" | |
33 | #include "mi-console.h" | |
34 | #include "ui-out.h" | |
35 | #include "mi-out.h" | |
36 | #include "event-loop.h" | |
37 | #include "event-top.h" | |
38 | #include "gdbcore.h" /* for write_memory() */ | |
24e8cecf | 39 | #include "value.h" /* for write_register_bytes() */ |
fb40c209 AC |
40 | #include <ctype.h> |
41 | #include <sys/time.h> | |
42 | ||
43 | /* Convenience macro for allocting typesafe memory. */ | |
44 | ||
45 | #undef XMALLOC | |
46 | #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) | |
47 | ||
48 | enum | |
49 | { | |
50 | FROM_TTY = 0 | |
51 | }; | |
52 | ||
53 | ||
54 | int mi_debug_p; | |
55 | struct ui_file *raw_stdout; | |
56 | ||
57 | /* The token of the last asynchronous command */ | |
58 | static char *last_async_command; | |
59 | static char *previous_async_command; | |
60 | static char *mi_error_message; | |
61 | static char *old_regs; | |
62 | ||
63 | extern void _initialize_mi_main (void); | |
64 | static char *mi_input (char *); | |
65 | static void mi_execute_command (char *cmd, int from_tty); | |
66 | static enum mi_cmd_result mi_cmd_execute (struct mi_parse *parse); | |
67 | ||
68 | static void mi_execute_cli_command (const char *cli, char *args); | |
69 | static enum mi_cmd_result mi_execute_async_cli_command (char *mi, char *args, int from_tty); | |
70 | static void mi_execute_command_wrapper (char *cmd); | |
71 | ||
72 | void mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg); | |
73 | static void free_and_reset (char **arg); | |
74 | ||
75 | static int register_changed_p (int regnum); | |
76 | static int get_register (int regnum, int format); | |
77 | static void mi_load_progress (const char *section_name, | |
78 | unsigned long sent_so_far, | |
79 | unsigned long total_section, | |
80 | unsigned long total_sent, | |
81 | unsigned long grand_total); | |
82 | ||
83 | #ifdef UI_OUT | |
84 | /* FIXME: these should go in some .h file, but infcmd.c doesn't have a | |
85 | corresponding .h file. These wrappers will be obsolete anyway, once | |
86 | we pull the plug on the sanitization. */ | |
87 | extern void interrupt_target_command_wrapper (char *, int); | |
88 | extern void return_command_wrapper (char *, int); | |
89 | #endif | |
90 | ||
91 | /* Command implementations. FIXME: Is this libgdb? No. This is the MI | |
92 | layer that calls libgdb. Any operation used in the below should be | |
93 | formalized. */ | |
94 | ||
95 | enum mi_cmd_result | |
96 | mi_cmd_gdb_exit (char *command, char **argv, int argc) | |
97 | { | |
98 | /* We have to print everything right here because we never return */ | |
99 | if (last_async_command) | |
100 | fputs_unfiltered (last_async_command, raw_stdout); | |
101 | fputs_unfiltered ("^exit\n", raw_stdout); | |
102 | mi_out_put (uiout, raw_stdout); | |
103 | /* FIXME: The function called is not yet a formal libgdb function */ | |
104 | quit_force (NULL, FROM_TTY); | |
105 | return MI_CMD_DONE; | |
106 | } | |
107 | ||
108 | enum mi_cmd_result | |
109 | mi_cmd_exec_run (char *args, int from_tty) | |
110 | { | |
111 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
112 | return mi_execute_async_cli_command ("run", args, from_tty); | |
113 | } | |
114 | ||
115 | enum mi_cmd_result | |
116 | mi_cmd_exec_next (char *args, int from_tty) | |
117 | { | |
118 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
119 | return mi_execute_async_cli_command ("next", args, from_tty); | |
120 | } | |
121 | ||
122 | enum mi_cmd_result | |
123 | mi_cmd_exec_next_instruction (char *args, int from_tty) | |
124 | { | |
125 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
126 | return mi_execute_async_cli_command ("nexti", args, from_tty); | |
127 | } | |
128 | ||
129 | enum mi_cmd_result | |
130 | mi_cmd_exec_step (char *args, int from_tty) | |
131 | { | |
132 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
133 | return mi_execute_async_cli_command ("step", args, from_tty); | |
134 | } | |
135 | ||
136 | enum mi_cmd_result | |
137 | mi_cmd_exec_step_instruction (char *args, int from_tty) | |
138 | { | |
139 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
140 | return mi_execute_async_cli_command ("stepi", args, from_tty); | |
141 | } | |
142 | ||
143 | enum mi_cmd_result | |
144 | mi_cmd_exec_finish (char *args, int from_tty) | |
145 | { | |
146 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
147 | return mi_execute_async_cli_command ("finish", args, from_tty); | |
148 | } | |
149 | ||
150 | enum mi_cmd_result | |
151 | mi_cmd_exec_until (char *args, int from_tty) | |
152 | { | |
153 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
154 | return mi_execute_async_cli_command ("until", args, from_tty); | |
155 | } | |
156 | ||
157 | enum mi_cmd_result | |
158 | mi_cmd_exec_return (char *args, int from_tty) | |
159 | { | |
160 | #ifdef UI_OUT | |
161 | /* This command doesn't really execute the target, it just pops the | |
162 | specified number of frames. */ | |
163 | if (*args) | |
164 | /* Call return_command with from_tty argument equal to 0 so as to | |
165 | avoid being queried. */ | |
166 | return_command_wrapper (args, 0); | |
167 | else | |
168 | /* Call return_command with from_tty argument equal to 0 so as to | |
169 | avoid being queried. */ | |
170 | return_command_wrapper (NULL, 0); | |
171 | ||
172 | /* Because we have called return_command with from_tty = 0, we need | |
173 | to print the frame here. */ | |
174 | show_and_print_stack_frame (selected_frame, | |
175 | selected_frame_level, | |
176 | LOC_AND_ADDRESS); | |
177 | #endif | |
178 | ||
179 | return MI_CMD_DONE; | |
180 | } | |
181 | ||
182 | enum mi_cmd_result | |
183 | mi_cmd_exec_continue (char *args, int from_tty) | |
184 | { | |
185 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
186 | return mi_execute_async_cli_command ("continue", args, from_tty); | |
187 | } | |
188 | ||
189 | /* Interrupt the execution of the target. Note how we must play around | |
190 | with the token varialbes, in order to display the current token in | |
191 | the result of the interrupt command, and the previous execution | |
192 | token when the target finally stops. See comments in | |
193 | mi_cmd_execute. */ | |
194 | enum mi_cmd_result | |
195 | mi_cmd_exec_interrupt (char *args, int from_tty) | |
196 | { | |
197 | #ifdef UI_OUT | |
198 | if (!target_executing) | |
199 | { | |
200 | asprintf (&mi_error_message, "mi_cmd_exec_interrupt: Inferior not executing."); | |
201 | return MI_CMD_ERROR; | |
202 | } | |
203 | interrupt_target_command_wrapper (args, from_tty); | |
204 | if (last_async_command) | |
205 | fputs_unfiltered (last_async_command, raw_stdout); | |
206 | fputs_unfiltered ("^done", raw_stdout); | |
207 | free (last_async_command); | |
208 | if (previous_async_command) | |
209 | last_async_command = xstrdup (previous_async_command); | |
210 | free (previous_async_command); | |
211 | previous_async_command = NULL; | |
212 | mi_out_put (uiout, raw_stdout); | |
213 | mi_out_rewind (uiout); | |
214 | fputs_unfiltered ("\n", raw_stdout); | |
215 | #endif | |
216 | return MI_CMD_QUIET; | |
217 | } | |
218 | ||
219 | enum mi_cmd_result | |
220 | mi_cmd_thread_select (char *command, char **argv, int argc) | |
221 | { | |
222 | enum gdb_rc rc; | |
223 | ||
224 | if (argc != 1) | |
225 | { | |
226 | asprintf (&mi_error_message, | |
227 | "mi_cmd_thread_select: USAGE: threadnum."); | |
228 | return MI_CMD_ERROR; | |
229 | } | |
230 | else | |
231 | rc = gdb_thread_select (argv[0]); | |
232 | ||
233 | if (rc == GDB_RC_FAIL) | |
234 | return MI_CMD_CAUGHT_ERROR; | |
235 | else | |
236 | return MI_CMD_DONE; | |
237 | } | |
238 | ||
239 | enum mi_cmd_result | |
240 | mi_cmd_thread_list_ids (char *command, char **argv, int argc) | |
241 | { | |
242 | enum gdb_rc rc = MI_CMD_DONE; | |
243 | ||
244 | if (argc != 0) | |
245 | { | |
246 | asprintf (&mi_error_message, | |
247 | "mi_cmd_thread_list_ids: No arguments required."); | |
248 | return MI_CMD_ERROR; | |
249 | } | |
250 | else | |
251 | #ifdef UI_OUT | |
252 | rc = gdb_list_thread_ids (); | |
253 | #endif | |
254 | ||
255 | if (rc == GDB_RC_FAIL) | |
256 | return MI_CMD_CAUGHT_ERROR; | |
257 | else | |
258 | return MI_CMD_DONE; | |
259 | } | |
260 | ||
261 | enum mi_cmd_result | |
262 | mi_cmd_data_list_register_names (char *command, char **argv, int argc) | |
263 | { | |
264 | int regnum, numregs; | |
265 | int i; | |
266 | ||
267 | /* Note that the test for a valid register must include checking the | |
268 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
269 | the register sets within a family of related processors. In this | |
270 | case, some entries of REGISTER_NAME will change depending upon | |
271 | the particular processor being debugged. */ | |
272 | ||
273 | numregs = ARCH_NUM_REGS; | |
274 | ||
275 | ui_out_list_begin (uiout, "register-names"); | |
276 | ||
277 | if (argc == 0) /* No args, just do all the regs */ | |
278 | { | |
279 | for (regnum = 0; | |
280 | regnum < numregs; | |
281 | regnum++) | |
282 | { | |
283 | if (REGISTER_NAME (regnum) == NULL | |
284 | || *(REGISTER_NAME (regnum)) == '\0') | |
285 | continue; | |
286 | ||
287 | ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum)); | |
288 | } | |
289 | } | |
290 | ||
291 | /* Else, list of register #s, just do listed regs */ | |
292 | for (i = 0; i < argc; i++) | |
293 | { | |
294 | regnum = atoi (argv[i]); | |
295 | ||
296 | if (regnum >= 0 | |
297 | && regnum < numregs | |
298 | && REGISTER_NAME (regnum) != NULL | |
299 | && *REGISTER_NAME (regnum) != '\000') | |
300 | ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum)); | |
301 | else | |
302 | { | |
303 | asprintf (&mi_error_message, "bad register number"); | |
304 | return MI_CMD_ERROR; | |
305 | } | |
306 | } | |
307 | ui_out_list_end (uiout); | |
308 | return MI_CMD_DONE; | |
309 | } | |
310 | ||
311 | enum mi_cmd_result | |
312 | mi_cmd_data_list_changed_registers (char *command, char **argv, int argc) | |
313 | { | |
314 | int regnum, numregs, changed; | |
315 | int i; | |
316 | ||
317 | /* Note that the test for a valid register must include checking the | |
318 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
319 | the register sets within a family of related processors. In this | |
320 | case, some entries of REGISTER_NAME will change depending upon | |
321 | the particular processor being debugged. */ | |
322 | ||
323 | numregs = ARCH_NUM_REGS; | |
324 | ||
325 | ui_out_list_begin (uiout, "changed-registers"); | |
326 | ||
327 | if (argc == 0) /* No args, just do all the regs */ | |
328 | { | |
329 | for (regnum = 0; | |
330 | regnum < numregs; | |
331 | regnum++) | |
332 | { | |
333 | if (REGISTER_NAME (regnum) == NULL | |
334 | || *(REGISTER_NAME (regnum)) == '\0') | |
335 | continue; | |
336 | changed = register_changed_p (regnum); | |
337 | if (changed < 0) | |
338 | { | |
339 | asprintf (&mi_error_message, | |
340 | "mi_cmd_data_list_changed_registers: Unable to read register contents."); | |
341 | return MI_CMD_ERROR; | |
342 | } | |
343 | else if (changed) | |
344 | ui_out_field_int (uiout, NULL, regnum); | |
345 | } | |
346 | } | |
347 | ||
348 | /* Else, list of register #s, just do listed regs */ | |
349 | for (i = 0; i < argc; i++) | |
350 | { | |
351 | regnum = atoi (argv[i]); | |
352 | ||
353 | if (regnum >= 0 | |
354 | && regnum < numregs | |
355 | && REGISTER_NAME (regnum) != NULL | |
356 | && *REGISTER_NAME (regnum) != '\000') | |
357 | { | |
358 | changed = register_changed_p (regnum); | |
359 | if (changed < 0) | |
360 | { | |
361 | asprintf (&mi_error_message, | |
362 | "mi_cmd_data_list_register_change: Unable to read register contents."); | |
363 | return MI_CMD_ERROR; | |
364 | } | |
365 | else if (changed) | |
366 | ui_out_field_int (uiout, NULL, regnum); | |
367 | } | |
368 | else | |
369 | { | |
370 | asprintf (&mi_error_message, "bad register number"); | |
371 | return MI_CMD_ERROR; | |
372 | } | |
373 | } | |
374 | ui_out_list_end (uiout); | |
375 | return MI_CMD_DONE; | |
376 | } | |
377 | ||
378 | static int | |
379 | register_changed_p (int regnum) | |
380 | { | |
381 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
382 | ||
383 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
384 | return -1; | |
385 | ||
386 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
387 | REGISTER_RAW_SIZE (regnum)) == 0) | |
388 | return 0; | |
389 | ||
390 | /* Found a changed register. Return 1. */ | |
391 | ||
392 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
393 | REGISTER_RAW_SIZE (regnum)); | |
394 | ||
395 | return 1; | |
396 | } | |
397 | ||
398 | /* Return a list of register number and value pairs. The valid | |
399 | arguments expected are: a letter indicating the format in which to | |
400 | display the registers contents. This can be one of: x (hexadecimal), d | |
401 | (decimal), N (natural), t (binary), o (octal), r (raw). After the | |
402 | format argumetn there can be a sequence of numbers, indicating which | |
403 | registers to fetch the content of. If the format is the only argument, | |
404 | a list of all the registers with their values is returned. */ | |
405 | enum mi_cmd_result | |
406 | mi_cmd_data_list_register_values (char *command, char **argv, int argc) | |
407 | { | |
408 | int regnum, numregs, format, result; | |
409 | int i; | |
410 | ||
411 | /* Note that the test for a valid register must include checking the | |
412 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
413 | the register sets within a family of related processors. In this | |
414 | case, some entries of REGISTER_NAME will change depending upon | |
415 | the particular processor being debugged. */ | |
416 | ||
417 | numregs = ARCH_NUM_REGS; | |
418 | ||
419 | if (argc == 0) | |
420 | { | |
421 | asprintf (&mi_error_message, | |
422 | "mi_cmd_data_list_register_values: Usage: -data-list-register-values <format> [<regnum1>...<regnumN>]"); | |
423 | return MI_CMD_ERROR; | |
424 | } | |
425 | ||
426 | format = (int) argv[0][0]; | |
427 | ||
428 | if (!target_has_registers) | |
429 | { | |
430 | asprintf (&mi_error_message, "mi_cmd_data_list_register_values: No registers."); | |
431 | return MI_CMD_ERROR; | |
432 | } | |
433 | ||
434 | ui_out_list_begin (uiout, "register-values"); | |
435 | ||
436 | if (argc == 1) /* No args, beside the format: do all the regs */ | |
437 | { | |
438 | for (regnum = 0; | |
439 | regnum < numregs; | |
440 | regnum++) | |
441 | { | |
442 | if (REGISTER_NAME (regnum) == NULL | |
443 | || *(REGISTER_NAME (regnum)) == '\0') | |
444 | continue; | |
445 | ui_out_list_begin (uiout, NULL); | |
446 | ui_out_field_int (uiout, "number", regnum); | |
447 | result = get_register (regnum, format); | |
448 | if (result == -1) | |
449 | return MI_CMD_ERROR; | |
450 | ui_out_list_end (uiout); | |
451 | } | |
452 | } | |
453 | ||
454 | /* Else, list of register #s, just do listed regs */ | |
455 | for (i = 1; i < argc; i++) | |
456 | { | |
457 | regnum = atoi (argv[i]); | |
458 | ||
459 | if (regnum >= 0 | |
460 | && regnum < numregs | |
461 | && REGISTER_NAME (regnum) != NULL | |
462 | && *REGISTER_NAME (regnum) != '\000') | |
463 | { | |
464 | ui_out_list_begin (uiout, NULL); | |
465 | ui_out_field_int (uiout, "number", regnum); | |
466 | result = get_register (regnum, format); | |
467 | if (result == -1) | |
468 | return MI_CMD_ERROR; | |
469 | ui_out_list_end (uiout); | |
470 | } | |
471 | else | |
472 | { | |
473 | asprintf (&mi_error_message, "bad register number"); | |
474 | return MI_CMD_ERROR; | |
475 | } | |
476 | } | |
477 | ui_out_list_end (uiout); | |
478 | return MI_CMD_DONE; | |
479 | } | |
480 | ||
481 | /* Output one register's contents in the desired format. */ | |
482 | static int | |
483 | get_register (int regnum, int format) | |
484 | { | |
485 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
486 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
487 | int optim; | |
488 | static struct ui_stream *stb = NULL; | |
489 | ||
490 | stb = ui_out_stream_new (uiout); | |
491 | ||
492 | if (format == 'N') | |
493 | format = 0; | |
494 | ||
495 | /* read_relative_register_raw_bytes returns a virtual frame pointer | |
496 | (FRAME_FP (selected_frame)) if regnum == FP_REGNUM instead | |
497 | of the real contents of the register. To get around this, | |
498 | use get_saved_register instead. */ | |
499 | get_saved_register (raw_buffer, &optim, (CORE_ADDR *) NULL, selected_frame, | |
500 | regnum, (enum lval_type *) NULL); | |
501 | if (optim) | |
502 | { | |
503 | asprintf (&mi_error_message, "Optimized out"); | |
504 | return -1; | |
505 | } | |
506 | ||
507 | /* Convert raw data to virtual format if necessary. */ | |
508 | ||
509 | if (REGISTER_CONVERTIBLE (regnum)) | |
510 | { | |
511 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
512 | raw_buffer, virtual_buffer); | |
513 | } | |
514 | else | |
515 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
516 | ||
517 | if (format == 'r') | |
518 | { | |
519 | int j; | |
520 | char *ptr, buf[1024]; | |
521 | ||
522 | strcpy (buf, "0x"); | |
523 | ptr = buf + 2; | |
524 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) | |
525 | { | |
526 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j | |
527 | : REGISTER_RAW_SIZE (regnum) - 1 - j; | |
528 | sprintf (ptr, "%02x", (unsigned char) raw_buffer[idx]); | |
529 | ptr += 2; | |
530 | } | |
531 | ui_out_field_string (uiout, "value", buf); | |
532 | /*fputs_filtered (buf, gdb_stdout); */ | |
533 | } | |
534 | else | |
535 | { | |
536 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, 0, | |
537 | stb->stream, format, 1, 0, Val_pretty_default); | |
538 | ui_out_field_stream (uiout, "value", stb); | |
539 | ui_out_stream_delete (stb); | |
540 | } | |
541 | return 1; | |
542 | } | |
543 | ||
24e8cecf EZ |
544 | /* Write given values into registers. The registers and values are |
545 | given as pairs. The corresponding MI command is | |
546 | -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]*/ | |
547 | enum mi_cmd_result | |
548 | mi_cmd_data_write_register_values (char *command, char **argv, int argc) | |
549 | { | |
550 | int regnum; | |
551 | int i; | |
552 | int numregs; | |
553 | char *buffer; | |
554 | LONGEST value; | |
555 | char format; | |
556 | ||
557 | /* Note that the test for a valid register must include checking the | |
558 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
559 | the register sets within a family of related processors. In this | |
560 | case, some entries of REGISTER_NAME will change depending upon | |
561 | the particular processor being debugged. */ | |
562 | ||
563 | numregs = ARCH_NUM_REGS; | |
564 | ||
565 | if (argc == 0) | |
566 | { | |
567 | asprintf (&mi_error_message, | |
568 | "mi_cmd_data_write_register_values: Usage: -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]"); | |
569 | return MI_CMD_ERROR; | |
570 | } | |
571 | ||
572 | format = (int) argv[0][0]; | |
573 | ||
574 | if (!target_has_registers) | |
575 | { | |
576 | asprintf (&mi_error_message, "mi_cmd_data_write_register_values: No registers."); | |
577 | return MI_CMD_ERROR; | |
578 | } | |
579 | ||
580 | if (!(argc - 1)) | |
581 | { | |
582 | asprintf (&mi_error_message, "mi_cmd_data_write_register_values: No regs and values specified."); | |
583 | return MI_CMD_ERROR; | |
584 | } | |
585 | ||
586 | if ((argc - 1) % 2) | |
587 | { | |
588 | asprintf (&mi_error_message, "mi_cmd_data_write_register_values: Regs and vals are not in pairs."); | |
589 | return MI_CMD_ERROR; | |
590 | } | |
591 | ||
592 | for (i = 1; i < argc; i = i + 2) | |
593 | { | |
594 | regnum = atoi (argv[i]); | |
595 | ||
596 | if (regnum >= 0 | |
597 | && regnum < numregs | |
598 | && REGISTER_NAME (regnum) != NULL | |
599 | && *REGISTER_NAME (regnum) != '\000') | |
600 | { | |
601 | /* Get the value as a number */ | |
602 | value = parse_and_eval_address (argv[i + 1]); | |
603 | /* Get the value into an array */ | |
604 | buffer = (unsigned char *) xmalloc (REGISTER_SIZE); | |
605 | store_signed_integer (buffer, REGISTER_SIZE, value); | |
606 | /* Write it down */ | |
607 | write_register_bytes (REGISTER_BYTE (regnum), buffer, REGISTER_RAW_SIZE (regnum)); | |
608 | /* write_register_bytes (REGISTER_BYTE (regnum), buffer, REGISTER_SIZE); */ | |
609 | } | |
610 | else | |
611 | { | |
612 | asprintf (&mi_error_message, "bad register number"); | |
613 | return MI_CMD_ERROR; | |
614 | } | |
615 | } | |
616 | return MI_CMD_DONE; | |
617 | } | |
618 | ||
fb40c209 AC |
619 | #if 0 |
620 | /*This is commented out because we decided it was not useful. I leave | |
621 | it, just in case. ezannoni:1999-12-08 */ | |
622 | ||
623 | /* Assign a value to a variable. The expression argument must be in | |
624 | the form A=2 or "A = 2" (I.e. if there are spaces it needs to be | |
625 | quoted. */ | |
626 | enum mi_cmd_result | |
627 | mi_cmd_data_assign (char *command, char **argv, int argc) | |
628 | { | |
629 | struct expression *expr; | |
630 | struct cleanup *old_chain; | |
631 | ||
632 | if (argc != 1) | |
633 | { | |
634 | asprintf (&mi_error_message, | |
635 | "mi_cmd_data_assign: Usage: -data-assign expression"); | |
636 | return MI_CMD_ERROR; | |
637 | } | |
638 | ||
639 | /* NOTE what follows is a clone of set_command(). FIXME: ezannoni | |
640 | 01-12-1999: Need to decide what to do with this for libgdb purposes. */ | |
641 | ||
642 | expr = parse_expression (argv[0]); | |
47cf603e | 643 | old_chain = make_cleanup (free_current_contents, &expr); |
fb40c209 AC |
644 | evaluate_expression (expr); |
645 | do_cleanups (old_chain); | |
646 | return MI_CMD_DONE; | |
647 | } | |
648 | #endif | |
649 | ||
650 | /* Evaluate the value of the argument. The argument is an | |
651 | expression. If the expression contains spaces it needs to be | |
652 | included in double quotes. */ | |
653 | enum mi_cmd_result | |
654 | mi_cmd_data_evaluate_expression (char *command, char **argv, int argc) | |
655 | { | |
656 | struct expression *expr; | |
657 | struct cleanup *old_chain = NULL; | |
658 | value_ptr val; | |
659 | struct ui_stream *stb = NULL; | |
660 | ||
661 | stb = ui_out_stream_new (uiout); | |
662 | ||
663 | if (argc != 1) | |
664 | { | |
665 | asprintf (&mi_error_message, | |
666 | "mi_cmd_data_evaluate_expression: Usage: -data-evaluate-expression expression"); | |
667 | return MI_CMD_ERROR; | |
668 | } | |
669 | ||
670 | expr = parse_expression (argv[0]); | |
671 | ||
47cf603e | 672 | old_chain = make_cleanup (free_current_contents, &expr); |
fb40c209 AC |
673 | |
674 | val = evaluate_expression (expr); | |
675 | ||
676 | /* Print the result of the expression evaluation. */ | |
677 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), | |
678 | VALUE_EMBEDDED_OFFSET (val), VALUE_ADDRESS (val), | |
679 | stb->stream, 0, 0, 0, 0); | |
680 | ||
681 | ui_out_field_stream (uiout, "value", stb); | |
682 | ui_out_stream_delete (stb); | |
683 | ||
684 | do_cleanups (old_chain); | |
685 | ||
686 | return MI_CMD_DONE; | |
687 | } | |
688 | ||
689 | enum mi_cmd_result | |
690 | mi_cmd_target_download (char *args, int from_tty) | |
691 | { | |
692 | char *run; | |
693 | struct cleanup *old_cleanups = NULL; | |
694 | ||
695 | asprintf (&run, "load %s", args); | |
696 | if (run == 0) | |
697 | internal_error ("mi_cmd_target_download: no memory"); | |
698 | old_cleanups = make_cleanup (free, run); | |
699 | execute_command (run, from_tty); | |
700 | ||
701 | do_cleanups (old_cleanups); | |
702 | return MI_CMD_DONE; | |
703 | } | |
704 | ||
705 | /* Connect to the remote target. */ | |
706 | enum mi_cmd_result | |
707 | mi_cmd_target_select (char *args, int from_tty) | |
708 | { | |
709 | char *run; | |
710 | struct cleanup *old_cleanups = NULL; | |
711 | ||
712 | asprintf (&run, "target %s", args); | |
713 | if (run == 0) | |
714 | internal_error ("mi_cmd_target_select: no memory"); | |
715 | old_cleanups = make_cleanup (free, run); | |
716 | ||
717 | /* target-select is always synchronous. once the call has returned | |
718 | we know that we are connected. */ | |
719 | /* NOTE: At present all targets that are connected are also | |
720 | (implicitly) talking to a halted target. In the future this may | |
721 | change. */ | |
722 | execute_command (run, from_tty); | |
723 | ||
724 | do_cleanups (old_cleanups); | |
725 | ||
726 | /* Issue the completion message here. */ | |
727 | if (last_async_command) | |
728 | fputs_unfiltered (last_async_command, raw_stdout); | |
729 | fputs_unfiltered ("^connected", raw_stdout); | |
730 | mi_out_put (uiout, raw_stdout); | |
731 | mi_out_rewind (uiout); | |
732 | fputs_unfiltered ("\n", raw_stdout); | |
733 | do_exec_cleanups (ALL_CLEANUPS); | |
734 | return MI_CMD_QUIET; | |
735 | } | |
736 | ||
737 | /* DATA-MEMORY-READ: | |
738 | ||
739 | ADDR: start address of data to be dumped. | |
740 | WORD-FORMAT: a char indicating format for the ``word''. See | |
741 | the ``x'' command. | |
742 | WORD-SIZE: size of each ``word''; 1,2,4, or 8 bytes | |
743 | NR_ROW: Number of rows. | |
744 | NR_COL: The number of colums (words per row). | |
745 | ASCHAR: (OPTIONAL) Append an ascii character dump to each row. Use | |
746 | ASCHAR for unprintable characters. | |
747 | ||
748 | Reads SIZE*NR_ROW*NR_COL bytes starting at ADDR from memory and | |
749 | displayes them. Returns: | |
750 | ||
751 | {addr="...",rowN={wordN="..." ,... [,ascii="..."]}, ...} | |
752 | ||
753 | Returns: | |
754 | The number of bytes read is SIZE*ROW*COL. */ | |
755 | ||
756 | enum mi_cmd_result | |
757 | mi_cmd_data_read_memory (char *command, char **argv, int argc) | |
758 | { | |
759 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); | |
760 | CORE_ADDR addr; | |
761 | long total_bytes; | |
762 | long nr_cols; | |
763 | long nr_rows; | |
764 | char word_format; | |
765 | struct type *word_type; | |
766 | long word_size; | |
767 | char word_asize; | |
768 | char aschar; | |
769 | char *mbuf; | |
770 | int nr_bytes; | |
771 | long offset = 0; | |
772 | int optind = 0; | |
773 | char *optarg; | |
774 | enum opt | |
775 | { | |
776 | OFFSET_OPT | |
777 | }; | |
778 | static struct mi_opt opts[] = | |
779 | { | |
780 | {"o", OFFSET_OPT, 1}, | |
781 | 0 | |
782 | }; | |
783 | ||
784 | while (1) | |
785 | { | |
786 | int opt = mi_getopt ("mi_cmd_data_read_memory", argc, argv, opts, | |
787 | &optind, &optarg); | |
788 | if (opt < 0) | |
789 | break; | |
790 | switch ((enum opt) opt) | |
791 | { | |
792 | case OFFSET_OPT: | |
793 | offset = atol (optarg); | |
794 | break; | |
795 | } | |
796 | } | |
797 | argv += optind; | |
798 | argc -= optind; | |
799 | ||
800 | if (argc < 5 || argc > 6) | |
801 | { | |
802 | asprintf (&mi_error_message, | |
803 | "mi_cmd_data_read_memory: Usage: ADDR WORD-FORMAT WORD-SIZE NR-ROWS NR-COLS [ASCHAR]."); | |
804 | return MI_CMD_ERROR; | |
805 | } | |
806 | ||
807 | /* Extract all the arguments. */ | |
808 | ||
809 | /* Start address of the memory dump. */ | |
810 | addr = parse_and_eval_address (argv[0]) + offset; | |
811 | /* The format character to use when displaying a memory word. See | |
812 | the ``x'' command. */ | |
813 | word_format = argv[1][0]; | |
814 | /* The size of the memory word. */ | |
815 | word_size = atol (argv[2]); | |
816 | switch (word_size) | |
817 | { | |
818 | case 1: | |
819 | word_type = builtin_type_int8; | |
820 | word_asize = 'b'; | |
821 | break; | |
822 | case 2: | |
823 | word_type = builtin_type_int16; | |
824 | word_asize = 'h'; | |
825 | break; | |
826 | case 4: | |
827 | word_type = builtin_type_int32; | |
828 | word_asize = 'w'; | |
829 | break; | |
830 | case 8: | |
831 | word_type = builtin_type_int64; | |
832 | word_asize = 'g'; | |
833 | break; | |
834 | default: | |
835 | word_type = builtin_type_int8; | |
836 | word_asize = 'b'; | |
837 | } | |
838 | /* The number of rows */ | |
839 | nr_rows = atol (argv[3]); | |
840 | if (nr_rows <= 0) | |
841 | { | |
842 | asprintf (&mi_error_message, | |
843 | "mi_cmd_data_read_memory: invalid number of rows."); | |
844 | return MI_CMD_ERROR; | |
845 | } | |
846 | /* number of bytes per row. */ | |
847 | nr_cols = atol (argv[4]); | |
848 | if (nr_cols <= 0) | |
849 | { | |
850 | asprintf (&mi_error_message, | |
851 | "mi_cmd_data_read_memory: invalid number of columns."); | |
852 | } | |
853 | /* The un-printable character when printing ascii. */ | |
854 | if (argc == 6) | |
855 | aschar = *argv[5]; | |
856 | else | |
857 | aschar = 0; | |
858 | ||
859 | /* create a buffer and read it in. */ | |
860 | total_bytes = word_size * nr_rows * nr_cols; | |
861 | mbuf = calloc (total_bytes, 1); | |
862 | make_cleanup (free, mbuf); | |
863 | if (mbuf == NULL) | |
864 | { | |
865 | asprintf (&mi_error_message, | |
866 | "mi_cmd_data_read_memory: out of memory."); | |
867 | return MI_CMD_ERROR; | |
868 | } | |
869 | nr_bytes = 0; | |
870 | while (nr_bytes < total_bytes) | |
871 | { | |
872 | int error; | |
873 | long num = target_read_memory_partial (addr + nr_bytes, mbuf + nr_bytes, | |
874 | total_bytes - nr_bytes, | |
875 | &error); | |
876 | if (num <= 0) | |
877 | break; | |
878 | nr_bytes += num; | |
879 | } | |
880 | ||
881 | /* output the header information. */ | |
882 | ui_out_field_core_addr (uiout, "addr", addr); | |
883 | ui_out_field_int (uiout, "nr-bytes", nr_bytes); | |
884 | ui_out_field_int (uiout, "total-bytes", total_bytes); | |
885 | ui_out_field_core_addr (uiout, "next-row", addr + word_size * nr_cols); | |
886 | ui_out_field_core_addr (uiout, "prev-row", addr - word_size * nr_cols); | |
887 | ui_out_field_core_addr (uiout, "next-page", addr + total_bytes); | |
888 | ui_out_field_core_addr (uiout, "prev-page", addr - total_bytes); | |
889 | ||
890 | /* Build the result as a two dimentional table. */ | |
891 | { | |
892 | struct ui_stream *stream = ui_out_stream_new (uiout); | |
893 | int row; | |
894 | int row_byte; | |
895 | ui_out_list_begin (uiout, "memory"); | |
896 | for (row = 0, row_byte = 0; | |
897 | row < nr_rows; | |
898 | row++, row_byte += nr_cols * word_size) | |
899 | { | |
900 | int col; | |
901 | int col_byte; | |
902 | ui_out_list_begin (uiout, NULL); | |
903 | ui_out_field_core_addr (uiout, "addr", addr + row_byte); | |
904 | /* ui_out_field_core_addr_symbolic (uiout, "saddr", addr + row_byte); */ | |
905 | ui_out_list_begin (uiout, "data"); | |
906 | for (col = 0, col_byte = row_byte; | |
907 | col < nr_cols; | |
908 | col++, col_byte += word_size) | |
909 | { | |
910 | if (col_byte + word_size > nr_bytes) | |
911 | { | |
912 | ui_out_field_string (uiout, NULL, "N/A"); | |
913 | } | |
914 | else | |
915 | { | |
916 | ui_file_rewind (stream->stream); | |
917 | print_scalar_formatted (mbuf + col_byte, word_type, word_format, | |
918 | word_asize, stream->stream); | |
919 | ui_out_field_stream (uiout, NULL, stream); | |
920 | } | |
921 | } | |
922 | ui_out_list_end (uiout); | |
923 | if (aschar) | |
924 | { | |
925 | int byte; | |
926 | ui_file_rewind (stream->stream); | |
927 | for (byte = row_byte; byte < row_byte + word_size * nr_cols; byte++) | |
928 | { | |
929 | if (byte >= nr_bytes) | |
930 | { | |
931 | fputc_unfiltered ('X', stream->stream); | |
932 | } | |
933 | else if (mbuf[byte] < 32 || mbuf[byte] > 126) | |
934 | { | |
935 | fputc_unfiltered (aschar, stream->stream); | |
936 | } | |
937 | else | |
938 | fputc_unfiltered (mbuf[byte], stream->stream); | |
939 | } | |
940 | ui_out_field_stream (uiout, "ascii", stream); | |
941 | } | |
942 | ui_out_list_end (uiout); | |
943 | } | |
944 | ui_out_stream_delete (stream); | |
945 | ui_out_list_end (uiout); | |
946 | } | |
947 | do_cleanups (cleanups); | |
948 | return MI_CMD_DONE; | |
949 | } | |
950 | ||
951 | /* DATA-MEMORY-WRITE: | |
952 | ||
953 | COLUMN_OFFSET: optional argument. Must be preceeded by '-o'. The | |
954 | offset from the beginning of the memory grid row where the cell to | |
955 | be written is. | |
956 | ADDR: start address of the row in the memory grid where the memory | |
957 | cell is, if OFFSET_COLUMN is specified. Otherwise, the address of | |
958 | the location to write to. | |
959 | FORMAT: a char indicating format for the ``word''. See | |
960 | the ``x'' command. | |
961 | WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes | |
962 | VALUE: value to be written into the memory address. | |
963 | ||
964 | Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE). | |
965 | ||
966 | Prints nothing. */ | |
967 | enum mi_cmd_result | |
968 | mi_cmd_data_write_memory (char *command, char **argv, int argc) | |
969 | { | |
970 | CORE_ADDR addr; | |
971 | char word_format; | |
972 | long word_size; | |
973 | /* FIXME: ezannoni 2000-02-17 LONGEST could possibly not be big | |
974 | enough when using a compiler other than GCC. */ | |
975 | LONGEST value; | |
976 | unsigned char *buffer; | |
977 | long offset = 0; | |
978 | int optind = 0; | |
979 | char *optarg; | |
980 | enum opt | |
981 | { | |
982 | OFFSET_OPT | |
983 | }; | |
984 | static struct mi_opt opts[] = | |
985 | { | |
986 | {"o", OFFSET_OPT, 1}, | |
987 | 0 | |
988 | }; | |
989 | ||
990 | while (1) | |
991 | { | |
992 | int opt = mi_getopt ("mi_cmd_data_write_memory", argc, argv, opts, | |
993 | &optind, &optarg); | |
994 | if (opt < 0) | |
995 | break; | |
996 | switch ((enum opt) opt) | |
997 | { | |
998 | case OFFSET_OPT: | |
999 | offset = atol (optarg); | |
1000 | break; | |
1001 | } | |
1002 | } | |
1003 | argv += optind; | |
1004 | argc -= optind; | |
1005 | ||
1006 | if (argc != 4) | |
1007 | { | |
1008 | asprintf (&mi_error_message, | |
1009 | "mi_cmd_data_write_memory: Usage: [-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE."); | |
1010 | return MI_CMD_ERROR; | |
1011 | } | |
1012 | ||
1013 | /* Extract all the arguments. */ | |
1014 | /* Start address of the memory dump. */ | |
1015 | addr = parse_and_eval_address (argv[0]); | |
1016 | /* The format character to use when displaying a memory word. See | |
1017 | the ``x'' command. */ | |
1018 | word_format = argv[1][0]; | |
1019 | /* The size of the memory word. */ | |
1020 | word_size = atol (argv[2]); | |
1021 | ||
1022 | /* Calculate the real address of the write destination. */ | |
1023 | addr += (offset * word_size); | |
1024 | ||
1025 | /* Get the value as a number */ | |
1026 | value = parse_and_eval_address (argv[3]); | |
1027 | /* Get the value into an array */ | |
1028 | buffer = (unsigned char *) xmalloc (word_size); | |
1029 | store_signed_integer (buffer, word_size, value); | |
1030 | /* Write it down to memory */ | |
1031 | write_memory (addr, buffer, word_size); | |
1032 | ||
1033 | return MI_CMD_DONE; | |
1034 | } | |
1035 | ||
1036 | /* Execute a command within a safe environment. Return >0 for | |
1037 | ok. Return <0 for supress prompt. Return 0 to have the error | |
1038 | extracted from error_last_message(). */ | |
1039 | ||
1040 | static int | |
1041 | captured_mi_execute_command (void *data) | |
1042 | { | |
1043 | struct mi_parse *context = data; | |
1044 | enum mi_cmd_result rc; | |
1045 | ||
1046 | switch (context->op) | |
1047 | { | |
1048 | ||
1049 | case MI_COMMAND: | |
1050 | /* A MI command was read from the input stream */ | |
1051 | if (mi_debug_p) | |
1052 | /* FIXME: gdb_???? */ | |
1053 | fprintf_unfiltered (raw_stdout, " token=`%s' command=`%s' args=`%s'\n", | |
1054 | context->token, context->command, context->args); | |
1055 | /* FIXME: cagney/1999-09-25: Rather than this convoluted | |
1056 | condition expression, each function should return an | |
1057 | indication of what action is required and then switch on | |
1058 | that. */ | |
1059 | rc = mi_cmd_execute (context); | |
1060 | if (!target_can_async_p () || !target_executing) | |
1061 | { | |
1062 | /* print the result if there were no errors */ | |
1063 | if (rc == MI_CMD_DONE) | |
1064 | { | |
1065 | fputs_unfiltered (context->token, raw_stdout); | |
1066 | fputs_unfiltered ("^done", raw_stdout); | |
1067 | mi_out_put (uiout, raw_stdout); | |
1068 | mi_out_rewind (uiout); | |
1069 | fputs_unfiltered ("\n", raw_stdout); | |
1070 | } | |
1071 | else if (rc == MI_CMD_ERROR) | |
1072 | { | |
1073 | if (mi_error_message) | |
1074 | { | |
1075 | fputs_unfiltered (context->token, raw_stdout); | |
1076 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1077 | fputstr_unfiltered (mi_error_message, '"', raw_stdout); | |
1078 | free (mi_error_message); | |
1079 | fputs_unfiltered ("\"\n", raw_stdout); | |
1080 | } | |
1081 | mi_out_rewind (uiout); | |
1082 | } | |
1083 | else if (rc == MI_CMD_CAUGHT_ERROR) | |
1084 | { | |
1085 | mi_out_rewind (uiout); | |
1086 | return 0; | |
1087 | } | |
1088 | else | |
1089 | mi_out_rewind (uiout); | |
1090 | } | |
1091 | else if (sync_execution) | |
1092 | /* Don't print the prompt. We are executing the target in | |
1093 | synchronous mode. */ | |
1094 | return -1; | |
1095 | break; | |
1096 | ||
1097 | case CLI_COMMAND: | |
1098 | /* A CLI command was read from the input stream */ | |
1099 | /* This will be removed as soon as we have a complete set of | |
1100 | mi commands */ | |
1101 | /* echo the command on the console. */ | |
1102 | fprintf_unfiltered (gdb_stdlog, "%s\n", context->command); | |
1103 | /* FIXME: If the command string has something that looks like | |
1104 | a format spec (e.g. %s) we will get a core dump */ | |
1105 | mi_execute_cli_command ("%s", context->command); | |
1106 | /* print the result */ | |
1107 | /* FIXME: Check for errors here. */ | |
1108 | fputs_unfiltered (context->token, raw_stdout); | |
1109 | fputs_unfiltered ("^done", raw_stdout); | |
1110 | mi_out_put (uiout, raw_stdout); | |
1111 | mi_out_rewind (uiout); | |
1112 | fputs_unfiltered ("\n", raw_stdout); | |
1113 | break; | |
1114 | ||
1115 | } | |
1116 | return 1; | |
1117 | } | |
1118 | ||
1119 | ||
1120 | void | |
1121 | mi_execute_command (char *cmd, int from_tty) | |
1122 | { | |
1123 | struct mi_parse *command; | |
1124 | ||
1125 | /* This is to handle EOF (^D). We just quit gdb. */ | |
1126 | /* FIXME: we should call some API function here. */ | |
1127 | if (cmd == 0) | |
1128 | quit_force (NULL, from_tty); | |
1129 | ||
1130 | command = mi_parse (cmd); | |
1131 | ||
1132 | if (command != NULL) | |
1133 | { | |
1134 | /* FIXME: cagney/1999-11-04: Can this use of catch_errors either | |
1135 | be pushed even further down or even eliminated? */ | |
1136 | int rc = catch_errors (captured_mi_execute_command, command, "", | |
1137 | RETURN_MASK_ALL); | |
1138 | if (rc < 0) | |
1139 | { | |
1140 | /* The command is executing synchronously. Bail out early | |
1141 | suppressing the finished prompt. */ | |
1142 | mi_parse_free (command); | |
1143 | return; | |
1144 | } | |
1145 | if (rc == 0) | |
1146 | { | |
1147 | char *msg = error_last_message (); | |
1148 | struct cleanup *cleanup = make_cleanup (free, msg); | |
1149 | /* The command execution failed and error() was called | |
1150 | somewhere */ | |
1151 | fputs_unfiltered (command->token, raw_stdout); | |
1152 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1153 | fputstr_unfiltered (msg, '"', raw_stdout); | |
1154 | fputs_unfiltered ("\"\n", raw_stdout); | |
1155 | } | |
1156 | mi_parse_free (command); | |
1157 | } | |
1158 | ||
1159 | gdb_flush (raw_stdout); | |
1160 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1161 | /* print any buffered hook code */ | |
1162 | /* ..... */ | |
1163 | } | |
1164 | ||
1165 | static enum mi_cmd_result | |
1166 | mi_cmd_execute (struct mi_parse *parse) | |
1167 | { | |
1168 | if (parse->cmd->argv_func != NULL | |
1169 | || parse->cmd->args_func != NULL) | |
1170 | { | |
1171 | /* FIXME: We need to save the token because the command executed | |
1172 | may be asynchronous and need to print the token again. | |
1173 | In the future we can pass the token down to the func | |
1174 | and get rid of the last_async_command */ | |
1175 | /* The problem here is to keep the token around when we launch | |
1176 | the target, and we want to interrupt it later on. The | |
1177 | interrupt command will have its own token, but when the | |
1178 | target stops, we must display the token corresponding to the | |
1179 | last execution command given. So we have another string where | |
1180 | we copy the token (previous_async_command), if this was | |
1181 | indeed the token of an execution command, and when we stop we | |
1182 | print that one. This is possible because the interrupt | |
1183 | command, when over, will copy that token back into the | |
1184 | default token string (last_async_command). */ | |
1185 | ||
1186 | if (target_executing) | |
1187 | { | |
1188 | if (!previous_async_command) | |
1189 | previous_async_command = xstrdup (last_async_command); | |
1190 | if (strcmp (parse->command, "exec-interrupt")) | |
1191 | { | |
1192 | fputs_unfiltered (parse->token, raw_stdout); | |
1193 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1194 | fputs_unfiltered ("Cannot execute command ", raw_stdout); | |
1195 | fputstr_unfiltered (parse->command, '"', raw_stdout); | |
1196 | fputs_unfiltered (" while target running", raw_stdout); | |
1197 | fputs_unfiltered ("\"\n", raw_stdout); | |
1198 | return MI_CMD_ERROR; | |
1199 | } | |
1200 | } | |
1201 | last_async_command = xstrdup (parse->token); | |
1202 | make_exec_cleanup ((make_cleanup_func) free_and_reset, &last_async_command); | |
1203 | /* FIXME: DELETE THIS! */ | |
1204 | if (parse->cmd->args_func != NULL) | |
1205 | return parse->cmd->args_func (parse->args, 0 /*from_tty */ ); | |
1206 | return parse->cmd->argv_func (parse->command, parse->argv, parse->argc); | |
1207 | } | |
1208 | else if (parse->cmd->cli != 0) | |
1209 | { | |
1210 | /* FIXME: DELETE THIS. */ | |
1211 | /* The operation is still implemented by a cli command */ | |
1212 | /* Must be a synchronous one */ | |
1213 | mi_execute_cli_command (parse->cmd->cli, parse->args); | |
1214 | return MI_CMD_DONE; | |
1215 | } | |
1216 | else | |
1217 | { | |
1218 | /* FIXME: DELETE THIS. */ | |
1219 | fputs_unfiltered (parse->token, raw_stdout); | |
1220 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1221 | fputs_unfiltered ("Undefined mi command: ", raw_stdout); | |
1222 | fputstr_unfiltered (parse->command, '"', raw_stdout); | |
1223 | fputs_unfiltered (" (missing implementation)", raw_stdout); | |
1224 | fputs_unfiltered ("\"\n", raw_stdout); | |
1225 | return MI_CMD_ERROR; | |
1226 | } | |
1227 | } | |
1228 | ||
24e8cecf | 1229 | void |
fb40c209 AC |
1230 | free_and_reset (char **arg) |
1231 | { | |
1232 | free (*arg); | |
1233 | *arg = NULL; | |
1234 | } | |
1235 | ||
1236 | static void | |
1237 | mi_execute_command_wrapper (char *cmd) | |
1238 | { | |
1239 | mi_execute_command (cmd, stdin == instream); | |
1240 | } | |
1241 | ||
1242 | /* FIXME: This is just a hack so we can get some extra commands going. | |
1243 | We don't want to channel things through the CLI, but call libgdb directly */ | |
1244 | /* Use only for synchronous commands */ | |
1245 | ||
1246 | void | |
1247 | mi_execute_cli_command (const char *cli, char *args) | |
1248 | { | |
1249 | if (cli != 0) | |
1250 | { | |
1251 | struct cleanup *old_cleanups; | |
1252 | char *run; | |
1253 | asprintf (&run, cli, args); | |
1254 | if (mi_debug_p) | |
1255 | /* FIXME: gdb_???? */ | |
1256 | fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n", | |
1257 | cli, run); | |
1258 | if (run == 0) | |
1259 | abort (); | |
1260 | old_cleanups = make_cleanup (free, run); | |
1261 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
1262 | do_cleanups (old_cleanups); | |
1263 | return; | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | enum mi_cmd_result | |
1268 | mi_execute_async_cli_command (char *mi, char *args, int from_tty) | |
1269 | { | |
1270 | struct cleanup *old_cleanups; | |
1271 | char *run; | |
1272 | char *async_args; | |
1273 | ||
1274 | if (target_can_async_p ()) | |
1275 | { | |
1276 | async_args = (char *) xmalloc (strlen (args) + 2); | |
1277 | make_exec_cleanup (free, async_args); | |
1278 | strcpy (async_args, args); | |
1279 | strcat (async_args, "&"); | |
1280 | asprintf (&run, "%s %s", mi, async_args); | |
1281 | if (run == 0) | |
1282 | internal_error ("mi_execute_async_cli_command: no memory"); | |
1283 | make_exec_cleanup (free, run); | |
1284 | add_continuation (mi_exec_async_cli_cmd_continuation, NULL); | |
1285 | } | |
1286 | else | |
1287 | { | |
1288 | asprintf (&run, "%s %s", mi, args); | |
1289 | if (run == 0) | |
1290 | internal_error ("mi_execute_async_cli_command: no memory"); | |
1291 | old_cleanups = make_cleanup (free, run); | |
1292 | } | |
1293 | ||
1294 | if (!target_can_async_p ()) | |
1295 | { | |
1296 | /* NOTE: For synchronous targets asynchronous behavour is faked by | |
1297 | printing out the GDB prompt before we even try to execute the | |
1298 | command. */ | |
1299 | if (last_async_command) | |
1300 | fputs_unfiltered (last_async_command, raw_stdout); | |
1301 | fputs_unfiltered ("^running\n", raw_stdout); | |
1302 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1303 | } | |
1304 | else | |
1305 | { | |
1306 | /* FIXME: cagney/1999-11-29: Printing this message before | |
1307 | calling execute_command is wrong. It should only be printed | |
1308 | once gdb has confirmed that it really has managed to send a | |
1309 | run command to the target. */ | |
1310 | if (last_async_command) | |
1311 | fputs_unfiltered (last_async_command, raw_stdout); | |
1312 | fputs_unfiltered ("^running\n", raw_stdout); | |
1313 | } | |
1314 | ||
1315 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
1316 | ||
1317 | if (!target_can_async_p ()) | |
1318 | { | |
1319 | /* Do this before doing any printing. It would appear that some | |
1320 | print code leaves garbage around in the buffer. */ | |
1321 | do_cleanups (old_cleanups); | |
1322 | /* If the target was doing the operation synchronously we fake | |
1323 | the stopped message. */ | |
1324 | if (last_async_command) | |
1325 | fputs_unfiltered (last_async_command, raw_stdout); | |
1326 | fputs_unfiltered ("*stopped", raw_stdout); | |
1327 | mi_out_put (uiout, raw_stdout); | |
1328 | mi_out_rewind (uiout); | |
1329 | fputs_unfiltered ("\n", raw_stdout); | |
1330 | return MI_CMD_QUIET; | |
1331 | } | |
1332 | return MI_CMD_DONE; | |
1333 | } | |
1334 | ||
1335 | void | |
1336 | mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg) | |
1337 | { | |
1338 | if (last_async_command) | |
1339 | fputs_unfiltered (last_async_command, raw_stdout); | |
1340 | fputs_unfiltered ("*stopped", raw_stdout); | |
1341 | mi_out_put (uiout, raw_stdout); | |
1342 | fputs_unfiltered ("\n", raw_stdout); | |
1343 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1344 | do_exec_cleanups (ALL_CLEANUPS); | |
1345 | } | |
1346 | ||
1347 | static char * | |
1348 | mi_input (char *buf) | |
1349 | { | |
1350 | return gdb_readline (NULL); | |
1351 | } | |
1352 | ||
1353 | static void | |
1354 | mi_load_progress (const char *section_name, | |
1355 | unsigned long sent_so_far, | |
1356 | unsigned long total_section, | |
1357 | unsigned long total_sent, | |
1358 | unsigned long grand_total) | |
1359 | { | |
1360 | struct timeval time_now, delta, update_threshold; | |
1361 | static struct timeval last_update; | |
1362 | static char *previous_sect_name = NULL; | |
1363 | int new_section; | |
1364 | ||
1365 | if (!interpreter_p || strcmp (interpreter_p, "mi") != 0) | |
1366 | return; | |
1367 | ||
1368 | update_threshold.tv_sec = 0; | |
1369 | update_threshold.tv_usec = 500000; | |
1370 | gettimeofday (&time_now, NULL); | |
1371 | ||
1372 | delta.tv_usec = time_now.tv_usec - last_update.tv_usec; | |
1373 | delta.tv_sec = time_now.tv_sec - last_update.tv_sec; | |
1374 | ||
1375 | if (delta.tv_usec < 0) | |
1376 | { | |
1377 | delta.tv_sec -= 1; | |
1378 | delta.tv_usec += 1000000; | |
1379 | } | |
1380 | ||
1381 | new_section = (previous_sect_name ? | |
1382 | strcmp (previous_sect_name, section_name) : 1); | |
1383 | if (new_section) | |
1384 | { | |
1385 | free (previous_sect_name); | |
1386 | previous_sect_name = xstrdup (section_name); | |
1387 | ||
1388 | if (last_async_command) | |
1389 | fputs_unfiltered (last_async_command, raw_stdout); | |
1390 | fputs_unfiltered ("+download", raw_stdout); | |
1391 | ui_out_list_begin (uiout, NULL); | |
1392 | ui_out_field_string (uiout, "section", section_name); | |
1393 | ui_out_field_int (uiout, "section-size", total_section); | |
1394 | ui_out_field_int (uiout, "total-size", grand_total); | |
1395 | ui_out_list_end (uiout); | |
1396 | mi_out_put (uiout, raw_stdout); | |
1397 | fputs_unfiltered ("\n", raw_stdout); | |
1398 | gdb_flush (raw_stdout); | |
1399 | } | |
1400 | ||
1401 | if (delta.tv_sec >= update_threshold.tv_sec && | |
1402 | delta.tv_usec >= update_threshold.tv_usec) | |
1403 | { | |
1404 | last_update.tv_sec = time_now.tv_sec; | |
1405 | last_update.tv_usec = time_now.tv_usec; | |
1406 | if (last_async_command) | |
1407 | fputs_unfiltered (last_async_command, raw_stdout); | |
1408 | fputs_unfiltered ("+download", raw_stdout); | |
1409 | ui_out_list_begin (uiout, NULL); | |
1410 | ui_out_field_string (uiout, "section", section_name); | |
1411 | ui_out_field_int (uiout, "section-sent", sent_so_far); | |
1412 | ui_out_field_int (uiout, "section-size", total_section); | |
1413 | ui_out_field_int (uiout, "total-sent", total_sent); | |
1414 | ui_out_field_int (uiout, "total-size", grand_total); | |
1415 | ui_out_list_end (uiout); | |
1416 | mi_out_put (uiout, raw_stdout); | |
1417 | fputs_unfiltered ("\n", raw_stdout); | |
1418 | gdb_flush (raw_stdout); | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | static void | |
1423 | mi_command_loop () | |
1424 | { | |
1425 | /* HACK: Force stdout/stderr to point at the console. This avoids | |
1426 | any potential side effects caused by legacy code that is still | |
1427 | using the TUI / fputs_unfiltered_hook */ | |
1428 | raw_stdout = stdio_fileopen (stdout); | |
1429 | /* Route normal output through the MIx */ | |
1430 | gdb_stdout = mi_console_file_new (raw_stdout, "~"); | |
1431 | /* Route error and log output through the MI */ | |
1432 | gdb_stderr = mi_console_file_new (raw_stdout, "&"); | |
1433 | gdb_stdlog = gdb_stderr; | |
1434 | /* Route target output through the MI. */ | |
1435 | gdb_stdtarg = mi_console_file_new (raw_stdout, "@"); | |
1436 | ||
1437 | /* HACK: Poke the ui_out table directly. Should we be creating a | |
1438 | mi_out object wired up to the above gdb_stdout / gdb_stderr? */ | |
1439 | uiout = mi_out_new (); | |
1440 | ||
1441 | /* HACK: Override any other interpreter hooks. We need to create a | |
1442 | real event table and pass in that. */ | |
1443 | init_ui_hook = 0; | |
1444 | /* command_loop_hook = 0; */ | |
1445 | print_frame_info_listing_hook = 0; | |
1446 | query_hook = 0; | |
1447 | warning_hook = 0; | |
1448 | create_breakpoint_hook = 0; | |
1449 | delete_breakpoint_hook = 0; | |
1450 | modify_breakpoint_hook = 0; | |
1451 | interactive_hook = 0; | |
1452 | registers_changed_hook = 0; | |
1453 | readline_begin_hook = 0; | |
1454 | readline_hook = 0; | |
1455 | readline_end_hook = 0; | |
1456 | register_changed_hook = 0; | |
1457 | memory_changed_hook = 0; | |
1458 | context_hook = 0; | |
1459 | target_wait_hook = 0; | |
1460 | call_command_hook = 0; | |
1461 | error_hook = 0; | |
1462 | error_begin_hook = 0; | |
1463 | show_load_progress = mi_load_progress; | |
1464 | ||
1465 | /* Turn off 8 bit strings in quoted output. Any character with the | |
1466 | high bit set is printed using C's octal format. */ | |
1467 | sevenbit_strings = 1; | |
1468 | ||
1469 | /* Tell the world that we're alive */ | |
1470 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1471 | ||
1472 | if (!event_loop_p) | |
1473 | simplified_command_loop (mi_input, mi_execute_command); | |
1474 | else | |
1475 | start_event_loop (); | |
1476 | } | |
1477 | ||
1478 | static void | |
1479 | setup_architecture_data () | |
1480 | { | |
1481 | /* don't trust REGISTER_BYTES to be zero. */ | |
1482 | old_regs = xmalloc (REGISTER_BYTES + 1); | |
1483 | memset (old_regs, 0, REGISTER_BYTES + 1); | |
1484 | } | |
1485 | ||
1486 | static void | |
1487 | mi_init_ui (arg0) | |
1488 | char *arg0; | |
1489 | { | |
1490 | /* Eventually this will contain code that takes control of the | |
1491 | console. */ | |
1492 | } | |
1493 | ||
1494 | void | |
1495 | _initialize_mi_main () | |
1496 | { | |
1497 | /* If we're _the_ interpreter, take control. */ | |
1498 | if (interpreter_p | |
1499 | && strcmp (interpreter_p, "mi") == 0) | |
1500 | { | |
1501 | init_ui_hook = mi_init_ui; | |
1502 | command_loop_hook = mi_command_loop; | |
1503 | setup_architecture_data (); | |
1504 | register_gdbarch_swap (&old_regs, sizeof (old_regs), NULL); | |
1505 | register_gdbarch_swap (NULL, 0, setup_architecture_data); | |
1506 | if (event_loop_p) | |
1507 | { | |
1508 | /* These overwrite some of the initialization done in | |
1509 | _intialize_event_loop. */ | |
1510 | call_readline = gdb_readline2; | |
1511 | input_handler = mi_execute_command_wrapper; | |
1512 | add_file_handler (input_fd, stdin_event_handler, 0); | |
1513 | async_command_editing_p = 0; | |
1514 | } | |
1515 | } | |
1516 | /* FIXME: Should we notify main that we are here as a possible | |
1517 | interpreter? */ | |
1518 | } | |
1519 | ||
1520 | /* Local variables: */ | |
1521 | /* change-log-default-name: "ChangeLog-mi" */ | |
1522 | /* End: */ |