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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); | |
fb40c209 AC |
73 | |
74 | static int register_changed_p (int regnum); | |
75 | static int get_register (int regnum, int format); | |
76 | static void mi_load_progress (const char *section_name, | |
77 | unsigned long sent_so_far, | |
78 | unsigned long total_section, | |
79 | unsigned long total_sent, | |
80 | unsigned long grand_total); | |
81 | ||
82 | #ifdef UI_OUT | |
83 | /* FIXME: these should go in some .h file, but infcmd.c doesn't have a | |
84 | corresponding .h file. These wrappers will be obsolete anyway, once | |
85 | we pull the plug on the sanitization. */ | |
86 | extern void interrupt_target_command_wrapper (char *, int); | |
87 | extern void return_command_wrapper (char *, int); | |
88 | #endif | |
89 | ||
90 | /* Command implementations. FIXME: Is this libgdb? No. This is the MI | |
91 | layer that calls libgdb. Any operation used in the below should be | |
92 | formalized. */ | |
93 | ||
94 | enum mi_cmd_result | |
95 | mi_cmd_gdb_exit (char *command, char **argv, int argc) | |
96 | { | |
97 | /* We have to print everything right here because we never return */ | |
98 | if (last_async_command) | |
99 | fputs_unfiltered (last_async_command, raw_stdout); | |
100 | fputs_unfiltered ("^exit\n", raw_stdout); | |
101 | mi_out_put (uiout, raw_stdout); | |
102 | /* FIXME: The function called is not yet a formal libgdb function */ | |
103 | quit_force (NULL, FROM_TTY); | |
104 | return MI_CMD_DONE; | |
105 | } | |
106 | ||
107 | enum mi_cmd_result | |
108 | mi_cmd_exec_run (char *args, int from_tty) | |
109 | { | |
110 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
111 | return mi_execute_async_cli_command ("run", args, from_tty); | |
112 | } | |
113 | ||
114 | enum mi_cmd_result | |
115 | mi_cmd_exec_next (char *args, int from_tty) | |
116 | { | |
117 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
118 | return mi_execute_async_cli_command ("next", args, from_tty); | |
119 | } | |
120 | ||
121 | enum mi_cmd_result | |
122 | mi_cmd_exec_next_instruction (char *args, int from_tty) | |
123 | { | |
124 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
125 | return mi_execute_async_cli_command ("nexti", args, from_tty); | |
126 | } | |
127 | ||
128 | enum mi_cmd_result | |
129 | mi_cmd_exec_step (char *args, int from_tty) | |
130 | { | |
131 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
132 | return mi_execute_async_cli_command ("step", args, from_tty); | |
133 | } | |
134 | ||
135 | enum mi_cmd_result | |
136 | mi_cmd_exec_step_instruction (char *args, int from_tty) | |
137 | { | |
138 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
139 | return mi_execute_async_cli_command ("stepi", args, from_tty); | |
140 | } | |
141 | ||
142 | enum mi_cmd_result | |
143 | mi_cmd_exec_finish (char *args, int from_tty) | |
144 | { | |
145 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
146 | return mi_execute_async_cli_command ("finish", args, from_tty); | |
147 | } | |
148 | ||
149 | enum mi_cmd_result | |
150 | mi_cmd_exec_until (char *args, int from_tty) | |
151 | { | |
152 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
153 | return mi_execute_async_cli_command ("until", args, from_tty); | |
154 | } | |
155 | ||
156 | enum mi_cmd_result | |
157 | mi_cmd_exec_return (char *args, int from_tty) | |
158 | { | |
159 | #ifdef UI_OUT | |
160 | /* This command doesn't really execute the target, it just pops the | |
161 | specified number of frames. */ | |
162 | if (*args) | |
163 | /* Call return_command with from_tty argument equal to 0 so as to | |
164 | avoid being queried. */ | |
165 | return_command_wrapper (args, 0); | |
166 | else | |
167 | /* Call return_command with from_tty argument equal to 0 so as to | |
168 | avoid being queried. */ | |
169 | return_command_wrapper (NULL, 0); | |
170 | ||
171 | /* Because we have called return_command with from_tty = 0, we need | |
172 | to print the frame here. */ | |
173 | show_and_print_stack_frame (selected_frame, | |
174 | selected_frame_level, | |
175 | LOC_AND_ADDRESS); | |
176 | #endif | |
177 | ||
178 | return MI_CMD_DONE; | |
179 | } | |
180 | ||
181 | enum mi_cmd_result | |
182 | mi_cmd_exec_continue (char *args, int from_tty) | |
183 | { | |
184 | /* FIXME: Should call a libgdb function, not a cli wrapper */ | |
185 | return mi_execute_async_cli_command ("continue", args, from_tty); | |
186 | } | |
187 | ||
188 | /* Interrupt the execution of the target. Note how we must play around | |
189 | with the token varialbes, in order to display the current token in | |
190 | the result of the interrupt command, and the previous execution | |
191 | token when the target finally stops. See comments in | |
192 | mi_cmd_execute. */ | |
193 | enum mi_cmd_result | |
194 | mi_cmd_exec_interrupt (char *args, int from_tty) | |
195 | { | |
196 | #ifdef UI_OUT | |
197 | if (!target_executing) | |
198 | { | |
199 | asprintf (&mi_error_message, "mi_cmd_exec_interrupt: Inferior not executing."); | |
200 | return MI_CMD_ERROR; | |
201 | } | |
202 | interrupt_target_command_wrapper (args, from_tty); | |
203 | if (last_async_command) | |
204 | fputs_unfiltered (last_async_command, raw_stdout); | |
205 | fputs_unfiltered ("^done", raw_stdout); | |
206 | free (last_async_command); | |
207 | if (previous_async_command) | |
208 | last_async_command = xstrdup (previous_async_command); | |
209 | free (previous_async_command); | |
210 | previous_async_command = NULL; | |
211 | mi_out_put (uiout, raw_stdout); | |
212 | mi_out_rewind (uiout); | |
213 | fputs_unfiltered ("\n", raw_stdout); | |
214 | #endif | |
215 | return MI_CMD_QUIET; | |
216 | } | |
217 | ||
218 | enum mi_cmd_result | |
219 | mi_cmd_thread_select (char *command, char **argv, int argc) | |
220 | { | |
221 | enum gdb_rc rc; | |
222 | ||
223 | if (argc != 1) | |
224 | { | |
225 | asprintf (&mi_error_message, | |
226 | "mi_cmd_thread_select: USAGE: threadnum."); | |
227 | return MI_CMD_ERROR; | |
228 | } | |
229 | else | |
230 | rc = gdb_thread_select (argv[0]); | |
231 | ||
232 | if (rc == GDB_RC_FAIL) | |
233 | return MI_CMD_CAUGHT_ERROR; | |
234 | else | |
235 | return MI_CMD_DONE; | |
236 | } | |
237 | ||
238 | enum mi_cmd_result | |
239 | mi_cmd_thread_list_ids (char *command, char **argv, int argc) | |
240 | { | |
241 | enum gdb_rc rc = MI_CMD_DONE; | |
242 | ||
243 | if (argc != 0) | |
244 | { | |
245 | asprintf (&mi_error_message, | |
246 | "mi_cmd_thread_list_ids: No arguments required."); | |
247 | return MI_CMD_ERROR; | |
248 | } | |
249 | else | |
250 | #ifdef UI_OUT | |
251 | rc = gdb_list_thread_ids (); | |
252 | #endif | |
253 | ||
254 | if (rc == GDB_RC_FAIL) | |
255 | return MI_CMD_CAUGHT_ERROR; | |
256 | else | |
257 | return MI_CMD_DONE; | |
258 | } | |
259 | ||
260 | enum mi_cmd_result | |
261 | mi_cmd_data_list_register_names (char *command, char **argv, int argc) | |
262 | { | |
263 | int regnum, numregs; | |
264 | int i; | |
265 | ||
266 | /* Note that the test for a valid register must include checking the | |
267 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
268 | the register sets within a family of related processors. In this | |
269 | case, some entries of REGISTER_NAME will change depending upon | |
270 | the particular processor being debugged. */ | |
271 | ||
272 | numregs = ARCH_NUM_REGS; | |
273 | ||
274 | ui_out_list_begin (uiout, "register-names"); | |
275 | ||
276 | if (argc == 0) /* No args, just do all the regs */ | |
277 | { | |
278 | for (regnum = 0; | |
279 | regnum < numregs; | |
280 | regnum++) | |
281 | { | |
282 | if (REGISTER_NAME (regnum) == NULL | |
283 | || *(REGISTER_NAME (regnum)) == '\0') | |
284 | continue; | |
285 | ||
286 | ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum)); | |
287 | } | |
288 | } | |
289 | ||
290 | /* Else, list of register #s, just do listed regs */ | |
291 | for (i = 0; i < argc; i++) | |
292 | { | |
293 | regnum = atoi (argv[i]); | |
294 | ||
295 | if (regnum >= 0 | |
296 | && regnum < numregs | |
297 | && REGISTER_NAME (regnum) != NULL | |
298 | && *REGISTER_NAME (regnum) != '\000') | |
299 | ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum)); | |
300 | else | |
301 | { | |
302 | asprintf (&mi_error_message, "bad register number"); | |
303 | return MI_CMD_ERROR; | |
304 | } | |
305 | } | |
306 | ui_out_list_end (uiout); | |
307 | return MI_CMD_DONE; | |
308 | } | |
309 | ||
310 | enum mi_cmd_result | |
311 | mi_cmd_data_list_changed_registers (char *command, char **argv, int argc) | |
312 | { | |
313 | int regnum, numregs, changed; | |
314 | int i; | |
315 | ||
316 | /* Note that the test for a valid register must include checking the | |
317 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
318 | the register sets within a family of related processors. In this | |
319 | case, some entries of REGISTER_NAME will change depending upon | |
320 | the particular processor being debugged. */ | |
321 | ||
322 | numregs = ARCH_NUM_REGS; | |
323 | ||
324 | ui_out_list_begin (uiout, "changed-registers"); | |
325 | ||
326 | if (argc == 0) /* No args, just do all the regs */ | |
327 | { | |
328 | for (regnum = 0; | |
329 | regnum < numregs; | |
330 | regnum++) | |
331 | { | |
332 | if (REGISTER_NAME (regnum) == NULL | |
333 | || *(REGISTER_NAME (regnum)) == '\0') | |
334 | continue; | |
335 | changed = register_changed_p (regnum); | |
336 | if (changed < 0) | |
337 | { | |
338 | asprintf (&mi_error_message, | |
339 | "mi_cmd_data_list_changed_registers: Unable to read register contents."); | |
340 | return MI_CMD_ERROR; | |
341 | } | |
342 | else if (changed) | |
343 | ui_out_field_int (uiout, NULL, regnum); | |
344 | } | |
345 | } | |
346 | ||
347 | /* Else, list of register #s, just do listed regs */ | |
348 | for (i = 0; i < argc; i++) | |
349 | { | |
350 | regnum = atoi (argv[i]); | |
351 | ||
352 | if (regnum >= 0 | |
353 | && regnum < numregs | |
354 | && REGISTER_NAME (regnum) != NULL | |
355 | && *REGISTER_NAME (regnum) != '\000') | |
356 | { | |
357 | changed = register_changed_p (regnum); | |
358 | if (changed < 0) | |
359 | { | |
360 | asprintf (&mi_error_message, | |
361 | "mi_cmd_data_list_register_change: Unable to read register contents."); | |
362 | return MI_CMD_ERROR; | |
363 | } | |
364 | else if (changed) | |
365 | ui_out_field_int (uiout, NULL, regnum); | |
366 | } | |
367 | else | |
368 | { | |
369 | asprintf (&mi_error_message, "bad register number"); | |
370 | return MI_CMD_ERROR; | |
371 | } | |
372 | } | |
373 | ui_out_list_end (uiout); | |
374 | return MI_CMD_DONE; | |
375 | } | |
376 | ||
377 | static int | |
378 | register_changed_p (int regnum) | |
379 | { | |
380 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
381 | ||
382 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
383 | return -1; | |
384 | ||
385 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
386 | REGISTER_RAW_SIZE (regnum)) == 0) | |
387 | return 0; | |
388 | ||
389 | /* Found a changed register. Return 1. */ | |
390 | ||
391 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
392 | REGISTER_RAW_SIZE (regnum)); | |
393 | ||
394 | return 1; | |
395 | } | |
396 | ||
397 | /* Return a list of register number and value pairs. The valid | |
398 | arguments expected are: a letter indicating the format in which to | |
399 | display the registers contents. This can be one of: x (hexadecimal), d | |
400 | (decimal), N (natural), t (binary), o (octal), r (raw). After the | |
401 | format argumetn there can be a sequence of numbers, indicating which | |
402 | registers to fetch the content of. If the format is the only argument, | |
403 | a list of all the registers with their values is returned. */ | |
404 | enum mi_cmd_result | |
405 | mi_cmd_data_list_register_values (char *command, char **argv, int argc) | |
406 | { | |
407 | int regnum, numregs, format, result; | |
408 | int i; | |
409 | ||
410 | /* Note that the test for a valid register must include checking the | |
411 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
412 | the register sets within a family of related processors. In this | |
413 | case, some entries of REGISTER_NAME will change depending upon | |
414 | the particular processor being debugged. */ | |
415 | ||
416 | numregs = ARCH_NUM_REGS; | |
417 | ||
418 | if (argc == 0) | |
419 | { | |
420 | asprintf (&mi_error_message, | |
421 | "mi_cmd_data_list_register_values: Usage: -data-list-register-values <format> [<regnum1>...<regnumN>]"); | |
422 | return MI_CMD_ERROR; | |
423 | } | |
424 | ||
425 | format = (int) argv[0][0]; | |
426 | ||
427 | if (!target_has_registers) | |
428 | { | |
429 | asprintf (&mi_error_message, "mi_cmd_data_list_register_values: No registers."); | |
430 | return MI_CMD_ERROR; | |
431 | } | |
432 | ||
433 | ui_out_list_begin (uiout, "register-values"); | |
434 | ||
435 | if (argc == 1) /* No args, beside the format: do all the regs */ | |
436 | { | |
437 | for (regnum = 0; | |
438 | regnum < numregs; | |
439 | regnum++) | |
440 | { | |
441 | if (REGISTER_NAME (regnum) == NULL | |
442 | || *(REGISTER_NAME (regnum)) == '\0') | |
443 | continue; | |
444 | ui_out_list_begin (uiout, NULL); | |
445 | ui_out_field_int (uiout, "number", regnum); | |
446 | result = get_register (regnum, format); | |
447 | if (result == -1) | |
448 | return MI_CMD_ERROR; | |
449 | ui_out_list_end (uiout); | |
450 | } | |
451 | } | |
452 | ||
453 | /* Else, list of register #s, just do listed regs */ | |
454 | for (i = 1; i < argc; i++) | |
455 | { | |
456 | regnum = atoi (argv[i]); | |
457 | ||
458 | if (regnum >= 0 | |
459 | && regnum < numregs | |
460 | && REGISTER_NAME (regnum) != NULL | |
461 | && *REGISTER_NAME (regnum) != '\000') | |
462 | { | |
463 | ui_out_list_begin (uiout, NULL); | |
464 | ui_out_field_int (uiout, "number", regnum); | |
465 | result = get_register (regnum, format); | |
466 | if (result == -1) | |
467 | return MI_CMD_ERROR; | |
468 | ui_out_list_end (uiout); | |
469 | } | |
470 | else | |
471 | { | |
472 | asprintf (&mi_error_message, "bad register number"); | |
473 | return MI_CMD_ERROR; | |
474 | } | |
475 | } | |
476 | ui_out_list_end (uiout); | |
477 | return MI_CMD_DONE; | |
478 | } | |
479 | ||
480 | /* Output one register's contents in the desired format. */ | |
481 | static int | |
482 | get_register (int regnum, int format) | |
483 | { | |
484 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
485 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
486 | int optim; | |
487 | static struct ui_stream *stb = NULL; | |
488 | ||
489 | stb = ui_out_stream_new (uiout); | |
490 | ||
491 | if (format == 'N') | |
492 | format = 0; | |
493 | ||
494 | /* read_relative_register_raw_bytes returns a virtual frame pointer | |
495 | (FRAME_FP (selected_frame)) if regnum == FP_REGNUM instead | |
496 | of the real contents of the register. To get around this, | |
497 | use get_saved_register instead. */ | |
498 | get_saved_register (raw_buffer, &optim, (CORE_ADDR *) NULL, selected_frame, | |
499 | regnum, (enum lval_type *) NULL); | |
500 | if (optim) | |
501 | { | |
502 | asprintf (&mi_error_message, "Optimized out"); | |
503 | return -1; | |
504 | } | |
505 | ||
506 | /* Convert raw data to virtual format if necessary. */ | |
507 | ||
508 | if (REGISTER_CONVERTIBLE (regnum)) | |
509 | { | |
510 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
511 | raw_buffer, virtual_buffer); | |
512 | } | |
513 | else | |
514 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
515 | ||
516 | if (format == 'r') | |
517 | { | |
518 | int j; | |
519 | char *ptr, buf[1024]; | |
520 | ||
521 | strcpy (buf, "0x"); | |
522 | ptr = buf + 2; | |
523 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) | |
524 | { | |
525 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j | |
526 | : REGISTER_RAW_SIZE (regnum) - 1 - j; | |
527 | sprintf (ptr, "%02x", (unsigned char) raw_buffer[idx]); | |
528 | ptr += 2; | |
529 | } | |
530 | ui_out_field_string (uiout, "value", buf); | |
531 | /*fputs_filtered (buf, gdb_stdout); */ | |
532 | } | |
533 | else | |
534 | { | |
535 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, 0, | |
536 | stb->stream, format, 1, 0, Val_pretty_default); | |
537 | ui_out_field_stream (uiout, "value", stb); | |
538 | ui_out_stream_delete (stb); | |
539 | } | |
540 | return 1; | |
541 | } | |
542 | ||
24e8cecf EZ |
543 | /* Write given values into registers. The registers and values are |
544 | given as pairs. The corresponding MI command is | |
545 | -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]*/ | |
546 | enum mi_cmd_result | |
547 | mi_cmd_data_write_register_values (char *command, char **argv, int argc) | |
548 | { | |
549 | int regnum; | |
550 | int i; | |
551 | int numregs; | |
552 | char *buffer; | |
553 | LONGEST value; | |
554 | char format; | |
555 | ||
556 | /* Note that the test for a valid register must include checking the | |
557 | REGISTER_NAME because NUM_REGS may be allocated for the union of | |
558 | the register sets within a family of related processors. In this | |
559 | case, some entries of REGISTER_NAME will change depending upon | |
560 | the particular processor being debugged. */ | |
561 | ||
562 | numregs = ARCH_NUM_REGS; | |
563 | ||
564 | if (argc == 0) | |
565 | { | |
566 | asprintf (&mi_error_message, | |
567 | "mi_cmd_data_write_register_values: Usage: -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]"); | |
568 | return MI_CMD_ERROR; | |
569 | } | |
570 | ||
571 | format = (int) argv[0][0]; | |
572 | ||
573 | if (!target_has_registers) | |
574 | { | |
575 | asprintf (&mi_error_message, "mi_cmd_data_write_register_values: No registers."); | |
576 | return MI_CMD_ERROR; | |
577 | } | |
578 | ||
579 | if (!(argc - 1)) | |
580 | { | |
581 | asprintf (&mi_error_message, "mi_cmd_data_write_register_values: No regs and values specified."); | |
582 | return MI_CMD_ERROR; | |
583 | } | |
584 | ||
585 | if ((argc - 1) % 2) | |
586 | { | |
587 | asprintf (&mi_error_message, "mi_cmd_data_write_register_values: Regs and vals are not in pairs."); | |
588 | return MI_CMD_ERROR; | |
589 | } | |
590 | ||
591 | for (i = 1; i < argc; i = i + 2) | |
592 | { | |
593 | regnum = atoi (argv[i]); | |
594 | ||
595 | if (regnum >= 0 | |
596 | && regnum < numregs | |
597 | && REGISTER_NAME (regnum) != NULL | |
598 | && *REGISTER_NAME (regnum) != '\000') | |
599 | { | |
600 | /* Get the value as a number */ | |
601 | value = parse_and_eval_address (argv[i + 1]); | |
602 | /* Get the value into an array */ | |
603 | buffer = (unsigned char *) xmalloc (REGISTER_SIZE); | |
604 | store_signed_integer (buffer, REGISTER_SIZE, value); | |
605 | /* Write it down */ | |
606 | write_register_bytes (REGISTER_BYTE (regnum), buffer, REGISTER_RAW_SIZE (regnum)); | |
607 | /* write_register_bytes (REGISTER_BYTE (regnum), buffer, REGISTER_SIZE); */ | |
608 | } | |
609 | else | |
610 | { | |
611 | asprintf (&mi_error_message, "bad register number"); | |
612 | return MI_CMD_ERROR; | |
613 | } | |
614 | } | |
615 | return MI_CMD_DONE; | |
616 | } | |
617 | ||
fb40c209 AC |
618 | #if 0 |
619 | /*This is commented out because we decided it was not useful. I leave | |
620 | it, just in case. ezannoni:1999-12-08 */ | |
621 | ||
622 | /* Assign a value to a variable. The expression argument must be in | |
623 | the form A=2 or "A = 2" (I.e. if there are spaces it needs to be | |
624 | quoted. */ | |
625 | enum mi_cmd_result | |
626 | mi_cmd_data_assign (char *command, char **argv, int argc) | |
627 | { | |
628 | struct expression *expr; | |
629 | struct cleanup *old_chain; | |
630 | ||
631 | if (argc != 1) | |
632 | { | |
633 | asprintf (&mi_error_message, | |
634 | "mi_cmd_data_assign: Usage: -data-assign expression"); | |
635 | return MI_CMD_ERROR; | |
636 | } | |
637 | ||
638 | /* NOTE what follows is a clone of set_command(). FIXME: ezannoni | |
639 | 01-12-1999: Need to decide what to do with this for libgdb purposes. */ | |
640 | ||
641 | expr = parse_expression (argv[0]); | |
47cf603e | 642 | old_chain = make_cleanup (free_current_contents, &expr); |
fb40c209 AC |
643 | evaluate_expression (expr); |
644 | do_cleanups (old_chain); | |
645 | return MI_CMD_DONE; | |
646 | } | |
647 | #endif | |
648 | ||
649 | /* Evaluate the value of the argument. The argument is an | |
650 | expression. If the expression contains spaces it needs to be | |
651 | included in double quotes. */ | |
652 | enum mi_cmd_result | |
653 | mi_cmd_data_evaluate_expression (char *command, char **argv, int argc) | |
654 | { | |
655 | struct expression *expr; | |
656 | struct cleanup *old_chain = NULL; | |
657 | value_ptr val; | |
658 | struct ui_stream *stb = NULL; | |
659 | ||
660 | stb = ui_out_stream_new (uiout); | |
661 | ||
662 | if (argc != 1) | |
663 | { | |
664 | asprintf (&mi_error_message, | |
665 | "mi_cmd_data_evaluate_expression: Usage: -data-evaluate-expression expression"); | |
666 | return MI_CMD_ERROR; | |
667 | } | |
668 | ||
669 | expr = parse_expression (argv[0]); | |
670 | ||
47cf603e | 671 | old_chain = make_cleanup (free_current_contents, &expr); |
fb40c209 AC |
672 | |
673 | val = evaluate_expression (expr); | |
674 | ||
675 | /* Print the result of the expression evaluation. */ | |
676 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), | |
677 | VALUE_EMBEDDED_OFFSET (val), VALUE_ADDRESS (val), | |
678 | stb->stream, 0, 0, 0, 0); | |
679 | ||
680 | ui_out_field_stream (uiout, "value", stb); | |
681 | ui_out_stream_delete (stb); | |
682 | ||
683 | do_cleanups (old_chain); | |
684 | ||
685 | return MI_CMD_DONE; | |
686 | } | |
687 | ||
688 | enum mi_cmd_result | |
689 | mi_cmd_target_download (char *args, int from_tty) | |
690 | { | |
691 | char *run; | |
692 | struct cleanup *old_cleanups = NULL; | |
693 | ||
694 | asprintf (&run, "load %s", args); | |
695 | if (run == 0) | |
696 | internal_error ("mi_cmd_target_download: no memory"); | |
697 | old_cleanups = make_cleanup (free, run); | |
698 | execute_command (run, from_tty); | |
699 | ||
700 | do_cleanups (old_cleanups); | |
701 | return MI_CMD_DONE; | |
702 | } | |
703 | ||
704 | /* Connect to the remote target. */ | |
705 | enum mi_cmd_result | |
706 | mi_cmd_target_select (char *args, int from_tty) | |
707 | { | |
708 | char *run; | |
709 | struct cleanup *old_cleanups = NULL; | |
710 | ||
711 | asprintf (&run, "target %s", args); | |
712 | if (run == 0) | |
713 | internal_error ("mi_cmd_target_select: no memory"); | |
714 | old_cleanups = make_cleanup (free, run); | |
715 | ||
716 | /* target-select is always synchronous. once the call has returned | |
717 | we know that we are connected. */ | |
718 | /* NOTE: At present all targets that are connected are also | |
719 | (implicitly) talking to a halted target. In the future this may | |
720 | change. */ | |
721 | execute_command (run, from_tty); | |
722 | ||
723 | do_cleanups (old_cleanups); | |
724 | ||
725 | /* Issue the completion message here. */ | |
726 | if (last_async_command) | |
727 | fputs_unfiltered (last_async_command, raw_stdout); | |
728 | fputs_unfiltered ("^connected", raw_stdout); | |
729 | mi_out_put (uiout, raw_stdout); | |
730 | mi_out_rewind (uiout); | |
731 | fputs_unfiltered ("\n", raw_stdout); | |
732 | do_exec_cleanups (ALL_CLEANUPS); | |
733 | return MI_CMD_QUIET; | |
734 | } | |
735 | ||
736 | /* DATA-MEMORY-READ: | |
737 | ||
738 | ADDR: start address of data to be dumped. | |
739 | WORD-FORMAT: a char indicating format for the ``word''. See | |
740 | the ``x'' command. | |
741 | WORD-SIZE: size of each ``word''; 1,2,4, or 8 bytes | |
742 | NR_ROW: Number of rows. | |
743 | NR_COL: The number of colums (words per row). | |
744 | ASCHAR: (OPTIONAL) Append an ascii character dump to each row. Use | |
745 | ASCHAR for unprintable characters. | |
746 | ||
747 | Reads SIZE*NR_ROW*NR_COL bytes starting at ADDR from memory and | |
748 | displayes them. Returns: | |
749 | ||
750 | {addr="...",rowN={wordN="..." ,... [,ascii="..."]}, ...} | |
751 | ||
752 | Returns: | |
753 | The number of bytes read is SIZE*ROW*COL. */ | |
754 | ||
755 | enum mi_cmd_result | |
756 | mi_cmd_data_read_memory (char *command, char **argv, int argc) | |
757 | { | |
758 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); | |
759 | CORE_ADDR addr; | |
760 | long total_bytes; | |
761 | long nr_cols; | |
762 | long nr_rows; | |
763 | char word_format; | |
764 | struct type *word_type; | |
765 | long word_size; | |
766 | char word_asize; | |
767 | char aschar; | |
768 | char *mbuf; | |
769 | int nr_bytes; | |
770 | long offset = 0; | |
771 | int optind = 0; | |
772 | char *optarg; | |
773 | enum opt | |
774 | { | |
775 | OFFSET_OPT | |
776 | }; | |
777 | static struct mi_opt opts[] = | |
778 | { | |
779 | {"o", OFFSET_OPT, 1}, | |
780 | 0 | |
781 | }; | |
782 | ||
783 | while (1) | |
784 | { | |
785 | int opt = mi_getopt ("mi_cmd_data_read_memory", argc, argv, opts, | |
786 | &optind, &optarg); | |
787 | if (opt < 0) | |
788 | break; | |
789 | switch ((enum opt) opt) | |
790 | { | |
791 | case OFFSET_OPT: | |
792 | offset = atol (optarg); | |
793 | break; | |
794 | } | |
795 | } | |
796 | argv += optind; | |
797 | argc -= optind; | |
798 | ||
799 | if (argc < 5 || argc > 6) | |
800 | { | |
801 | asprintf (&mi_error_message, | |
802 | "mi_cmd_data_read_memory: Usage: ADDR WORD-FORMAT WORD-SIZE NR-ROWS NR-COLS [ASCHAR]."); | |
803 | return MI_CMD_ERROR; | |
804 | } | |
805 | ||
806 | /* Extract all the arguments. */ | |
807 | ||
808 | /* Start address of the memory dump. */ | |
809 | addr = parse_and_eval_address (argv[0]) + offset; | |
810 | /* The format character to use when displaying a memory word. See | |
811 | the ``x'' command. */ | |
812 | word_format = argv[1][0]; | |
813 | /* The size of the memory word. */ | |
814 | word_size = atol (argv[2]); | |
815 | switch (word_size) | |
816 | { | |
817 | case 1: | |
818 | word_type = builtin_type_int8; | |
819 | word_asize = 'b'; | |
820 | break; | |
821 | case 2: | |
822 | word_type = builtin_type_int16; | |
823 | word_asize = 'h'; | |
824 | break; | |
825 | case 4: | |
826 | word_type = builtin_type_int32; | |
827 | word_asize = 'w'; | |
828 | break; | |
829 | case 8: | |
830 | word_type = builtin_type_int64; | |
831 | word_asize = 'g'; | |
832 | break; | |
833 | default: | |
834 | word_type = builtin_type_int8; | |
835 | word_asize = 'b'; | |
836 | } | |
837 | /* The number of rows */ | |
838 | nr_rows = atol (argv[3]); | |
839 | if (nr_rows <= 0) | |
840 | { | |
841 | asprintf (&mi_error_message, | |
842 | "mi_cmd_data_read_memory: invalid number of rows."); | |
843 | return MI_CMD_ERROR; | |
844 | } | |
845 | /* number of bytes per row. */ | |
846 | nr_cols = atol (argv[4]); | |
847 | if (nr_cols <= 0) | |
848 | { | |
849 | asprintf (&mi_error_message, | |
850 | "mi_cmd_data_read_memory: invalid number of columns."); | |
851 | } | |
852 | /* The un-printable character when printing ascii. */ | |
853 | if (argc == 6) | |
854 | aschar = *argv[5]; | |
855 | else | |
856 | aschar = 0; | |
857 | ||
858 | /* create a buffer and read it in. */ | |
859 | total_bytes = word_size * nr_rows * nr_cols; | |
860 | mbuf = calloc (total_bytes, 1); | |
861 | make_cleanup (free, mbuf); | |
862 | if (mbuf == NULL) | |
863 | { | |
864 | asprintf (&mi_error_message, | |
865 | "mi_cmd_data_read_memory: out of memory."); | |
866 | return MI_CMD_ERROR; | |
867 | } | |
868 | nr_bytes = 0; | |
869 | while (nr_bytes < total_bytes) | |
870 | { | |
871 | int error; | |
872 | long num = target_read_memory_partial (addr + nr_bytes, mbuf + nr_bytes, | |
873 | total_bytes - nr_bytes, | |
874 | &error); | |
875 | if (num <= 0) | |
876 | break; | |
877 | nr_bytes += num; | |
878 | } | |
879 | ||
880 | /* output the header information. */ | |
881 | ui_out_field_core_addr (uiout, "addr", addr); | |
882 | ui_out_field_int (uiout, "nr-bytes", nr_bytes); | |
883 | ui_out_field_int (uiout, "total-bytes", total_bytes); | |
884 | ui_out_field_core_addr (uiout, "next-row", addr + word_size * nr_cols); | |
885 | ui_out_field_core_addr (uiout, "prev-row", addr - word_size * nr_cols); | |
886 | ui_out_field_core_addr (uiout, "next-page", addr + total_bytes); | |
887 | ui_out_field_core_addr (uiout, "prev-page", addr - total_bytes); | |
888 | ||
889 | /* Build the result as a two dimentional table. */ | |
890 | { | |
891 | struct ui_stream *stream = ui_out_stream_new (uiout); | |
892 | int row; | |
893 | int row_byte; | |
894 | ui_out_list_begin (uiout, "memory"); | |
895 | for (row = 0, row_byte = 0; | |
896 | row < nr_rows; | |
897 | row++, row_byte += nr_cols * word_size) | |
898 | { | |
899 | int col; | |
900 | int col_byte; | |
901 | ui_out_list_begin (uiout, NULL); | |
902 | ui_out_field_core_addr (uiout, "addr", addr + row_byte); | |
903 | /* ui_out_field_core_addr_symbolic (uiout, "saddr", addr + row_byte); */ | |
904 | ui_out_list_begin (uiout, "data"); | |
905 | for (col = 0, col_byte = row_byte; | |
906 | col < nr_cols; | |
907 | col++, col_byte += word_size) | |
908 | { | |
909 | if (col_byte + word_size > nr_bytes) | |
910 | { | |
911 | ui_out_field_string (uiout, NULL, "N/A"); | |
912 | } | |
913 | else | |
914 | { | |
915 | ui_file_rewind (stream->stream); | |
916 | print_scalar_formatted (mbuf + col_byte, word_type, word_format, | |
917 | word_asize, stream->stream); | |
918 | ui_out_field_stream (uiout, NULL, stream); | |
919 | } | |
920 | } | |
921 | ui_out_list_end (uiout); | |
922 | if (aschar) | |
923 | { | |
924 | int byte; | |
925 | ui_file_rewind (stream->stream); | |
926 | for (byte = row_byte; byte < row_byte + word_size * nr_cols; byte++) | |
927 | { | |
928 | if (byte >= nr_bytes) | |
929 | { | |
930 | fputc_unfiltered ('X', stream->stream); | |
931 | } | |
932 | else if (mbuf[byte] < 32 || mbuf[byte] > 126) | |
933 | { | |
934 | fputc_unfiltered (aschar, stream->stream); | |
935 | } | |
936 | else | |
937 | fputc_unfiltered (mbuf[byte], stream->stream); | |
938 | } | |
939 | ui_out_field_stream (uiout, "ascii", stream); | |
940 | } | |
941 | ui_out_list_end (uiout); | |
942 | } | |
943 | ui_out_stream_delete (stream); | |
944 | ui_out_list_end (uiout); | |
945 | } | |
946 | do_cleanups (cleanups); | |
947 | return MI_CMD_DONE; | |
948 | } | |
949 | ||
950 | /* DATA-MEMORY-WRITE: | |
951 | ||
952 | COLUMN_OFFSET: optional argument. Must be preceeded by '-o'. The | |
953 | offset from the beginning of the memory grid row where the cell to | |
954 | be written is. | |
955 | ADDR: start address of the row in the memory grid where the memory | |
956 | cell is, if OFFSET_COLUMN is specified. Otherwise, the address of | |
957 | the location to write to. | |
958 | FORMAT: a char indicating format for the ``word''. See | |
959 | the ``x'' command. | |
960 | WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes | |
961 | VALUE: value to be written into the memory address. | |
962 | ||
963 | Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE). | |
964 | ||
965 | Prints nothing. */ | |
966 | enum mi_cmd_result | |
967 | mi_cmd_data_write_memory (char *command, char **argv, int argc) | |
968 | { | |
969 | CORE_ADDR addr; | |
970 | char word_format; | |
971 | long word_size; | |
972 | /* FIXME: ezannoni 2000-02-17 LONGEST could possibly not be big | |
973 | enough when using a compiler other than GCC. */ | |
974 | LONGEST value; | |
975 | unsigned char *buffer; | |
976 | long offset = 0; | |
977 | int optind = 0; | |
978 | char *optarg; | |
979 | enum opt | |
980 | { | |
981 | OFFSET_OPT | |
982 | }; | |
983 | static struct mi_opt opts[] = | |
984 | { | |
985 | {"o", OFFSET_OPT, 1}, | |
986 | 0 | |
987 | }; | |
988 | ||
989 | while (1) | |
990 | { | |
991 | int opt = mi_getopt ("mi_cmd_data_write_memory", argc, argv, opts, | |
992 | &optind, &optarg); | |
993 | if (opt < 0) | |
994 | break; | |
995 | switch ((enum opt) opt) | |
996 | { | |
997 | case OFFSET_OPT: | |
998 | offset = atol (optarg); | |
999 | break; | |
1000 | } | |
1001 | } | |
1002 | argv += optind; | |
1003 | argc -= optind; | |
1004 | ||
1005 | if (argc != 4) | |
1006 | { | |
1007 | asprintf (&mi_error_message, | |
1008 | "mi_cmd_data_write_memory: Usage: [-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE."); | |
1009 | return MI_CMD_ERROR; | |
1010 | } | |
1011 | ||
1012 | /* Extract all the arguments. */ | |
1013 | /* Start address of the memory dump. */ | |
1014 | addr = parse_and_eval_address (argv[0]); | |
1015 | /* The format character to use when displaying a memory word. See | |
1016 | the ``x'' command. */ | |
1017 | word_format = argv[1][0]; | |
1018 | /* The size of the memory word. */ | |
1019 | word_size = atol (argv[2]); | |
1020 | ||
1021 | /* Calculate the real address of the write destination. */ | |
1022 | addr += (offset * word_size); | |
1023 | ||
1024 | /* Get the value as a number */ | |
1025 | value = parse_and_eval_address (argv[3]); | |
1026 | /* Get the value into an array */ | |
1027 | buffer = (unsigned char *) xmalloc (word_size); | |
1028 | store_signed_integer (buffer, word_size, value); | |
1029 | /* Write it down to memory */ | |
1030 | write_memory (addr, buffer, word_size); | |
1031 | ||
1032 | return MI_CMD_DONE; | |
1033 | } | |
1034 | ||
1035 | /* Execute a command within a safe environment. Return >0 for | |
1036 | ok. Return <0 for supress prompt. Return 0 to have the error | |
1037 | extracted from error_last_message(). */ | |
1038 | ||
1039 | static int | |
1040 | captured_mi_execute_command (void *data) | |
1041 | { | |
1042 | struct mi_parse *context = data; | |
1043 | enum mi_cmd_result rc; | |
1044 | ||
1045 | switch (context->op) | |
1046 | { | |
1047 | ||
1048 | case MI_COMMAND: | |
1049 | /* A MI command was read from the input stream */ | |
1050 | if (mi_debug_p) | |
1051 | /* FIXME: gdb_???? */ | |
1052 | fprintf_unfiltered (raw_stdout, " token=`%s' command=`%s' args=`%s'\n", | |
1053 | context->token, context->command, context->args); | |
1054 | /* FIXME: cagney/1999-09-25: Rather than this convoluted | |
1055 | condition expression, each function should return an | |
1056 | indication of what action is required and then switch on | |
1057 | that. */ | |
1058 | rc = mi_cmd_execute (context); | |
1059 | if (!target_can_async_p () || !target_executing) | |
1060 | { | |
1061 | /* print the result if there were no errors */ | |
1062 | if (rc == MI_CMD_DONE) | |
1063 | { | |
1064 | fputs_unfiltered (context->token, raw_stdout); | |
1065 | fputs_unfiltered ("^done", raw_stdout); | |
1066 | mi_out_put (uiout, raw_stdout); | |
1067 | mi_out_rewind (uiout); | |
1068 | fputs_unfiltered ("\n", raw_stdout); | |
1069 | } | |
1070 | else if (rc == MI_CMD_ERROR) | |
1071 | { | |
1072 | if (mi_error_message) | |
1073 | { | |
1074 | fputs_unfiltered (context->token, raw_stdout); | |
1075 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1076 | fputstr_unfiltered (mi_error_message, '"', raw_stdout); | |
1077 | free (mi_error_message); | |
1078 | fputs_unfiltered ("\"\n", raw_stdout); | |
1079 | } | |
1080 | mi_out_rewind (uiout); | |
1081 | } | |
1082 | else if (rc == MI_CMD_CAUGHT_ERROR) | |
1083 | { | |
1084 | mi_out_rewind (uiout); | |
1085 | return 0; | |
1086 | } | |
1087 | else | |
1088 | mi_out_rewind (uiout); | |
1089 | } | |
1090 | else if (sync_execution) | |
1091 | /* Don't print the prompt. We are executing the target in | |
1092 | synchronous mode. */ | |
1093 | return -1; | |
1094 | break; | |
1095 | ||
1096 | case CLI_COMMAND: | |
1097 | /* A CLI command was read from the input stream */ | |
1098 | /* This will be removed as soon as we have a complete set of | |
1099 | mi commands */ | |
1100 | /* echo the command on the console. */ | |
1101 | fprintf_unfiltered (gdb_stdlog, "%s\n", context->command); | |
1102 | /* FIXME: If the command string has something that looks like | |
1103 | a format spec (e.g. %s) we will get a core dump */ | |
1104 | mi_execute_cli_command ("%s", context->command); | |
1105 | /* print the result */ | |
1106 | /* FIXME: Check for errors here. */ | |
1107 | fputs_unfiltered (context->token, raw_stdout); | |
1108 | fputs_unfiltered ("^done", raw_stdout); | |
1109 | mi_out_put (uiout, raw_stdout); | |
1110 | mi_out_rewind (uiout); | |
1111 | fputs_unfiltered ("\n", raw_stdout); | |
1112 | break; | |
1113 | ||
1114 | } | |
1115 | return 1; | |
1116 | } | |
1117 | ||
1118 | ||
1119 | void | |
1120 | mi_execute_command (char *cmd, int from_tty) | |
1121 | { | |
1122 | struct mi_parse *command; | |
1123 | ||
1124 | /* This is to handle EOF (^D). We just quit gdb. */ | |
1125 | /* FIXME: we should call some API function here. */ | |
1126 | if (cmd == 0) | |
1127 | quit_force (NULL, from_tty); | |
1128 | ||
1129 | command = mi_parse (cmd); | |
1130 | ||
1131 | if (command != NULL) | |
1132 | { | |
1133 | /* FIXME: cagney/1999-11-04: Can this use of catch_errors either | |
1134 | be pushed even further down or even eliminated? */ | |
1135 | int rc = catch_errors (captured_mi_execute_command, command, "", | |
1136 | RETURN_MASK_ALL); | |
1137 | if (rc < 0) | |
1138 | { | |
1139 | /* The command is executing synchronously. Bail out early | |
1140 | suppressing the finished prompt. */ | |
1141 | mi_parse_free (command); | |
1142 | return; | |
1143 | } | |
1144 | if (rc == 0) | |
1145 | { | |
1146 | char *msg = error_last_message (); | |
1147 | struct cleanup *cleanup = make_cleanup (free, msg); | |
1148 | /* The command execution failed and error() was called | |
1149 | somewhere */ | |
1150 | fputs_unfiltered (command->token, raw_stdout); | |
1151 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1152 | fputstr_unfiltered (msg, '"', raw_stdout); | |
1153 | fputs_unfiltered ("\"\n", raw_stdout); | |
1154 | } | |
1155 | mi_parse_free (command); | |
1156 | } | |
1157 | ||
1158 | gdb_flush (raw_stdout); | |
1159 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1160 | /* print any buffered hook code */ | |
1161 | /* ..... */ | |
1162 | } | |
1163 | ||
1164 | static enum mi_cmd_result | |
1165 | mi_cmd_execute (struct mi_parse *parse) | |
1166 | { | |
1167 | if (parse->cmd->argv_func != NULL | |
1168 | || parse->cmd->args_func != NULL) | |
1169 | { | |
1170 | /* FIXME: We need to save the token because the command executed | |
1171 | may be asynchronous and need to print the token again. | |
1172 | In the future we can pass the token down to the func | |
1173 | and get rid of the last_async_command */ | |
1174 | /* The problem here is to keep the token around when we launch | |
1175 | the target, and we want to interrupt it later on. The | |
1176 | interrupt command will have its own token, but when the | |
1177 | target stops, we must display the token corresponding to the | |
1178 | last execution command given. So we have another string where | |
1179 | we copy the token (previous_async_command), if this was | |
1180 | indeed the token of an execution command, and when we stop we | |
1181 | print that one. This is possible because the interrupt | |
1182 | command, when over, will copy that token back into the | |
1183 | default token string (last_async_command). */ | |
1184 | ||
1185 | if (target_executing) | |
1186 | { | |
1187 | if (!previous_async_command) | |
1188 | previous_async_command = xstrdup (last_async_command); | |
1189 | if (strcmp (parse->command, "exec-interrupt")) | |
1190 | { | |
1191 | fputs_unfiltered (parse->token, raw_stdout); | |
1192 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1193 | fputs_unfiltered ("Cannot execute command ", raw_stdout); | |
1194 | fputstr_unfiltered (parse->command, '"', raw_stdout); | |
1195 | fputs_unfiltered (" while target running", raw_stdout); | |
1196 | fputs_unfiltered ("\"\n", raw_stdout); | |
1197 | return MI_CMD_ERROR; | |
1198 | } | |
1199 | } | |
1200 | last_async_command = xstrdup (parse->token); | |
e2f9c474 | 1201 | make_exec_cleanup (free_current_contents, &last_async_command); |
fb40c209 AC |
1202 | /* FIXME: DELETE THIS! */ |
1203 | if (parse->cmd->args_func != NULL) | |
1204 | return parse->cmd->args_func (parse->args, 0 /*from_tty */ ); | |
1205 | return parse->cmd->argv_func (parse->command, parse->argv, parse->argc); | |
1206 | } | |
1207 | else if (parse->cmd->cli != 0) | |
1208 | { | |
1209 | /* FIXME: DELETE THIS. */ | |
1210 | /* The operation is still implemented by a cli command */ | |
1211 | /* Must be a synchronous one */ | |
1212 | mi_execute_cli_command (parse->cmd->cli, parse->args); | |
1213 | return MI_CMD_DONE; | |
1214 | } | |
1215 | else | |
1216 | { | |
1217 | /* FIXME: DELETE THIS. */ | |
1218 | fputs_unfiltered (parse->token, raw_stdout); | |
1219 | fputs_unfiltered ("^error,msg=\"", raw_stdout); | |
1220 | fputs_unfiltered ("Undefined mi command: ", raw_stdout); | |
1221 | fputstr_unfiltered (parse->command, '"', raw_stdout); | |
1222 | fputs_unfiltered (" (missing implementation)", raw_stdout); | |
1223 | fputs_unfiltered ("\"\n", raw_stdout); | |
1224 | return MI_CMD_ERROR; | |
1225 | } | |
1226 | } | |
1227 | ||
fb40c209 AC |
1228 | static void |
1229 | mi_execute_command_wrapper (char *cmd) | |
1230 | { | |
1231 | mi_execute_command (cmd, stdin == instream); | |
1232 | } | |
1233 | ||
1234 | /* FIXME: This is just a hack so we can get some extra commands going. | |
1235 | We don't want to channel things through the CLI, but call libgdb directly */ | |
1236 | /* Use only for synchronous commands */ | |
1237 | ||
1238 | void | |
1239 | mi_execute_cli_command (const char *cli, char *args) | |
1240 | { | |
1241 | if (cli != 0) | |
1242 | { | |
1243 | struct cleanup *old_cleanups; | |
1244 | char *run; | |
1245 | asprintf (&run, cli, args); | |
1246 | if (mi_debug_p) | |
1247 | /* FIXME: gdb_???? */ | |
1248 | fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n", | |
1249 | cli, run); | |
1250 | if (run == 0) | |
1251 | abort (); | |
1252 | old_cleanups = make_cleanup (free, run); | |
1253 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
1254 | do_cleanups (old_cleanups); | |
1255 | return; | |
1256 | } | |
1257 | } | |
1258 | ||
1259 | enum mi_cmd_result | |
1260 | mi_execute_async_cli_command (char *mi, char *args, int from_tty) | |
1261 | { | |
1262 | struct cleanup *old_cleanups; | |
1263 | char *run; | |
1264 | char *async_args; | |
1265 | ||
1266 | if (target_can_async_p ()) | |
1267 | { | |
1268 | async_args = (char *) xmalloc (strlen (args) + 2); | |
1269 | make_exec_cleanup (free, async_args); | |
1270 | strcpy (async_args, args); | |
1271 | strcat (async_args, "&"); | |
1272 | asprintf (&run, "%s %s", mi, async_args); | |
1273 | if (run == 0) | |
1274 | internal_error ("mi_execute_async_cli_command: no memory"); | |
1275 | make_exec_cleanup (free, run); | |
1276 | add_continuation (mi_exec_async_cli_cmd_continuation, NULL); | |
1277 | } | |
1278 | else | |
1279 | { | |
1280 | asprintf (&run, "%s %s", mi, args); | |
1281 | if (run == 0) | |
1282 | internal_error ("mi_execute_async_cli_command: no memory"); | |
1283 | old_cleanups = make_cleanup (free, run); | |
1284 | } | |
1285 | ||
1286 | if (!target_can_async_p ()) | |
1287 | { | |
1288 | /* NOTE: For synchronous targets asynchronous behavour is faked by | |
1289 | printing out the GDB prompt before we even try to execute the | |
1290 | command. */ | |
1291 | if (last_async_command) | |
1292 | fputs_unfiltered (last_async_command, raw_stdout); | |
1293 | fputs_unfiltered ("^running\n", raw_stdout); | |
1294 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1295 | } | |
1296 | else | |
1297 | { | |
1298 | /* FIXME: cagney/1999-11-29: Printing this message before | |
1299 | calling execute_command is wrong. It should only be printed | |
1300 | once gdb has confirmed that it really has managed to send a | |
1301 | run command to the target. */ | |
1302 | if (last_async_command) | |
1303 | fputs_unfiltered (last_async_command, raw_stdout); | |
1304 | fputs_unfiltered ("^running\n", raw_stdout); | |
1305 | } | |
1306 | ||
1307 | execute_command ( /*ui */ run, 0 /*from_tty */ ); | |
1308 | ||
1309 | if (!target_can_async_p ()) | |
1310 | { | |
1311 | /* Do this before doing any printing. It would appear that some | |
1312 | print code leaves garbage around in the buffer. */ | |
1313 | do_cleanups (old_cleanups); | |
1314 | /* If the target was doing the operation synchronously we fake | |
1315 | the stopped message. */ | |
1316 | if (last_async_command) | |
1317 | fputs_unfiltered (last_async_command, raw_stdout); | |
1318 | fputs_unfiltered ("*stopped", raw_stdout); | |
1319 | mi_out_put (uiout, raw_stdout); | |
1320 | mi_out_rewind (uiout); | |
1321 | fputs_unfiltered ("\n", raw_stdout); | |
1322 | return MI_CMD_QUIET; | |
1323 | } | |
1324 | return MI_CMD_DONE; | |
1325 | } | |
1326 | ||
1327 | void | |
1328 | mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg) | |
1329 | { | |
1330 | if (last_async_command) | |
1331 | fputs_unfiltered (last_async_command, raw_stdout); | |
1332 | fputs_unfiltered ("*stopped", raw_stdout); | |
1333 | mi_out_put (uiout, raw_stdout); | |
1334 | fputs_unfiltered ("\n", raw_stdout); | |
1335 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1336 | do_exec_cleanups (ALL_CLEANUPS); | |
1337 | } | |
1338 | ||
1339 | static char * | |
1340 | mi_input (char *buf) | |
1341 | { | |
1342 | return gdb_readline (NULL); | |
1343 | } | |
1344 | ||
1345 | static void | |
1346 | mi_load_progress (const char *section_name, | |
1347 | unsigned long sent_so_far, | |
1348 | unsigned long total_section, | |
1349 | unsigned long total_sent, | |
1350 | unsigned long grand_total) | |
1351 | { | |
1352 | struct timeval time_now, delta, update_threshold; | |
1353 | static struct timeval last_update; | |
1354 | static char *previous_sect_name = NULL; | |
1355 | int new_section; | |
1356 | ||
1357 | if (!interpreter_p || strcmp (interpreter_p, "mi") != 0) | |
1358 | return; | |
1359 | ||
1360 | update_threshold.tv_sec = 0; | |
1361 | update_threshold.tv_usec = 500000; | |
1362 | gettimeofday (&time_now, NULL); | |
1363 | ||
1364 | delta.tv_usec = time_now.tv_usec - last_update.tv_usec; | |
1365 | delta.tv_sec = time_now.tv_sec - last_update.tv_sec; | |
1366 | ||
1367 | if (delta.tv_usec < 0) | |
1368 | { | |
1369 | delta.tv_sec -= 1; | |
1370 | delta.tv_usec += 1000000; | |
1371 | } | |
1372 | ||
1373 | new_section = (previous_sect_name ? | |
1374 | strcmp (previous_sect_name, section_name) : 1); | |
1375 | if (new_section) | |
1376 | { | |
1377 | free (previous_sect_name); | |
1378 | previous_sect_name = xstrdup (section_name); | |
1379 | ||
1380 | if (last_async_command) | |
1381 | fputs_unfiltered (last_async_command, raw_stdout); | |
1382 | fputs_unfiltered ("+download", raw_stdout); | |
1383 | ui_out_list_begin (uiout, NULL); | |
1384 | ui_out_field_string (uiout, "section", section_name); | |
1385 | ui_out_field_int (uiout, "section-size", total_section); | |
1386 | ui_out_field_int (uiout, "total-size", grand_total); | |
1387 | ui_out_list_end (uiout); | |
1388 | mi_out_put (uiout, raw_stdout); | |
1389 | fputs_unfiltered ("\n", raw_stdout); | |
1390 | gdb_flush (raw_stdout); | |
1391 | } | |
1392 | ||
1393 | if (delta.tv_sec >= update_threshold.tv_sec && | |
1394 | delta.tv_usec >= update_threshold.tv_usec) | |
1395 | { | |
1396 | last_update.tv_sec = time_now.tv_sec; | |
1397 | last_update.tv_usec = time_now.tv_usec; | |
1398 | if (last_async_command) | |
1399 | fputs_unfiltered (last_async_command, raw_stdout); | |
1400 | fputs_unfiltered ("+download", raw_stdout); | |
1401 | ui_out_list_begin (uiout, NULL); | |
1402 | ui_out_field_string (uiout, "section", section_name); | |
1403 | ui_out_field_int (uiout, "section-sent", sent_so_far); | |
1404 | ui_out_field_int (uiout, "section-size", total_section); | |
1405 | ui_out_field_int (uiout, "total-sent", total_sent); | |
1406 | ui_out_field_int (uiout, "total-size", grand_total); | |
1407 | ui_out_list_end (uiout); | |
1408 | mi_out_put (uiout, raw_stdout); | |
1409 | fputs_unfiltered ("\n", raw_stdout); | |
1410 | gdb_flush (raw_stdout); | |
1411 | } | |
1412 | } | |
1413 | ||
1414 | static void | |
fba45db2 | 1415 | mi_command_loop (void) |
fb40c209 AC |
1416 | { |
1417 | /* HACK: Force stdout/stderr to point at the console. This avoids | |
1418 | any potential side effects caused by legacy code that is still | |
1419 | using the TUI / fputs_unfiltered_hook */ | |
1420 | raw_stdout = stdio_fileopen (stdout); | |
1421 | /* Route normal output through the MIx */ | |
1422 | gdb_stdout = mi_console_file_new (raw_stdout, "~"); | |
1423 | /* Route error and log output through the MI */ | |
1424 | gdb_stderr = mi_console_file_new (raw_stdout, "&"); | |
1425 | gdb_stdlog = gdb_stderr; | |
1426 | /* Route target output through the MI. */ | |
1427 | gdb_stdtarg = mi_console_file_new (raw_stdout, "@"); | |
1428 | ||
1429 | /* HACK: Poke the ui_out table directly. Should we be creating a | |
1430 | mi_out object wired up to the above gdb_stdout / gdb_stderr? */ | |
1431 | uiout = mi_out_new (); | |
1432 | ||
1433 | /* HACK: Override any other interpreter hooks. We need to create a | |
1434 | real event table and pass in that. */ | |
1435 | init_ui_hook = 0; | |
1436 | /* command_loop_hook = 0; */ | |
1437 | print_frame_info_listing_hook = 0; | |
1438 | query_hook = 0; | |
1439 | warning_hook = 0; | |
1440 | create_breakpoint_hook = 0; | |
1441 | delete_breakpoint_hook = 0; | |
1442 | modify_breakpoint_hook = 0; | |
1443 | interactive_hook = 0; | |
1444 | registers_changed_hook = 0; | |
1445 | readline_begin_hook = 0; | |
1446 | readline_hook = 0; | |
1447 | readline_end_hook = 0; | |
1448 | register_changed_hook = 0; | |
1449 | memory_changed_hook = 0; | |
1450 | context_hook = 0; | |
1451 | target_wait_hook = 0; | |
1452 | call_command_hook = 0; | |
1453 | error_hook = 0; | |
1454 | error_begin_hook = 0; | |
1455 | show_load_progress = mi_load_progress; | |
1456 | ||
1457 | /* Turn off 8 bit strings in quoted output. Any character with the | |
1458 | high bit set is printed using C's octal format. */ | |
1459 | sevenbit_strings = 1; | |
1460 | ||
1461 | /* Tell the world that we're alive */ | |
1462 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
1463 | ||
1464 | if (!event_loop_p) | |
1465 | simplified_command_loop (mi_input, mi_execute_command); | |
1466 | else | |
1467 | start_event_loop (); | |
1468 | } | |
1469 | ||
1470 | static void | |
fba45db2 | 1471 | setup_architecture_data (void) |
fb40c209 AC |
1472 | { |
1473 | /* don't trust REGISTER_BYTES to be zero. */ | |
1474 | old_regs = xmalloc (REGISTER_BYTES + 1); | |
1475 | memset (old_regs, 0, REGISTER_BYTES + 1); | |
1476 | } | |
1477 | ||
1478 | static void | |
fba45db2 | 1479 | mi_init_ui (char *arg0) |
fb40c209 AC |
1480 | { |
1481 | /* Eventually this will contain code that takes control of the | |
1482 | console. */ | |
1483 | } | |
1484 | ||
1485 | void | |
fba45db2 | 1486 | _initialize_mi_main (void) |
fb40c209 AC |
1487 | { |
1488 | /* If we're _the_ interpreter, take control. */ | |
1489 | if (interpreter_p | |
1490 | && strcmp (interpreter_p, "mi") == 0) | |
1491 | { | |
1492 | init_ui_hook = mi_init_ui; | |
1493 | command_loop_hook = mi_command_loop; | |
1494 | setup_architecture_data (); | |
1495 | register_gdbarch_swap (&old_regs, sizeof (old_regs), NULL); | |
1496 | register_gdbarch_swap (NULL, 0, setup_architecture_data); | |
1497 | if (event_loop_p) | |
1498 | { | |
1499 | /* These overwrite some of the initialization done in | |
1500 | _intialize_event_loop. */ | |
1501 | call_readline = gdb_readline2; | |
1502 | input_handler = mi_execute_command_wrapper; | |
1503 | add_file_handler (input_fd, stdin_event_handler, 0); | |
1504 | async_command_editing_p = 0; | |
1505 | } | |
1506 | } | |
1507 | /* FIXME: Should we notify main that we are here as a possible | |
1508 | interpreter? */ | |
1509 | } |