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fb40c209 | 1 | /* MI Command Set - stack commands. |
ecd75fc8 | 2 | Copyright (C) 2000-2014 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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
fb40c209 AC |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
fb40c209 AC |
19 | |
20 | #include "defs.h" | |
21 | #include "target.h" | |
22 | #include "frame.h" | |
23 | #include "value.h" | |
24 | #include "mi-cmds.h" | |
25 | #include "ui-out.h" | |
e88c90f2 | 26 | #include "symtab.h" |
fe898f56 | 27 | #include "block.h" |
b9362cc7 | 28 | #include "stack.h" |
de4f826b | 29 | #include "dictionary.h" |
0e9f083f | 30 | #include <string.h> |
d8ca156b | 31 | #include "language.h" |
79a45b7d | 32 | #include "valprint.h" |
875b4ff5 | 33 | #include "exceptions.h" |
1e611234 PM |
34 | #include "utils.h" |
35 | #include "mi-getopt.h" | |
6dddc817 | 36 | #include "extension.h" |
1e611234 | 37 | #include <ctype.h> |
87967e27 | 38 | #include "mi-parse.h" |
daf3c977 VP |
39 | |
40 | enum what_to_list { locals, arguments, all }; | |
41 | ||
6211c335 | 42 | static void list_args_or_locals (enum what_to_list what, |
bdaf8d4a | 43 | enum print_values values, |
6211c335 YQ |
44 | struct frame_info *fi, |
45 | int skip_unavailable); | |
fb40c209 | 46 | |
1e611234 PM |
47 | /* True if we want to allow Python-based frame filters. */ |
48 | static int frame_filters = 0; | |
49 | ||
50 | void | |
51 | mi_cmd_enable_frame_filters (char *command, char **argv, int argc) | |
52 | { | |
53 | if (argc != 0) | |
54 | error (_("-enable-frame-filters: no arguments allowed")); | |
55 | frame_filters = 1; | |
56 | } | |
57 | ||
2b03b41d | 58 | /* Print a list of the stack frames. Args can be none, in which case |
fb40c209 AC |
59 | we want to print the whole backtrace, or a pair of numbers |
60 | specifying the frame numbers at which to start and stop the | |
2b03b41d SS |
61 | display. If the two numbers are equal, a single frame will be |
62 | displayed. */ | |
63 | ||
ce8f13f8 | 64 | void |
fb40c209 AC |
65 | mi_cmd_stack_list_frames (char *command, char **argv, int argc) |
66 | { | |
67 | int frame_low; | |
68 | int frame_high; | |
69 | int i; | |
6ad4a2cf | 70 | struct cleanup *cleanup_stack; |
fb40c209 | 71 | struct frame_info *fi; |
6dddc817 | 72 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
1e611234 PM |
73 | int raw_arg = 0; |
74 | int oind = 0; | |
75 | enum opt | |
76 | { | |
77 | NO_FRAME_FILTERS | |
78 | }; | |
79 | static const struct mi_opt opts[] = | |
80 | { | |
81 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
82 | { 0, 0, 0 } | |
83 | }; | |
84 | ||
85 | /* Parse arguments. In this instance we are just looking for | |
86 | --no-frame-filters. */ | |
87 | while (1) | |
88 | { | |
89 | char *oarg; | |
90 | int opt = mi_getopt ("-stack-list-frames", argc, argv, | |
91 | opts, &oind, &oarg); | |
92 | if (opt < 0) | |
93 | break; | |
94 | switch ((enum opt) opt) | |
95 | { | |
96 | case NO_FRAME_FILTERS: | |
97 | raw_arg = oind; | |
98 | break; | |
99 | } | |
100 | } | |
fb40c209 | 101 | |
1e611234 PM |
102 | /* After the last option is parsed, there should either be low - |
103 | high range, or no further arguments. */ | |
104 | if ((argc - oind != 0) && (argc - oind != 2)) | |
105 | error (_("-stack-list-frames: Usage: [--no-frame-filters] [FRAME_LOW FRAME_HIGH]")); | |
fb40c209 | 106 | |
1e611234 PM |
107 | /* If there is a range, set it. */ |
108 | if (argc - oind == 2) | |
fb40c209 | 109 | { |
1e611234 PM |
110 | frame_low = atoi (argv[0 + oind]); |
111 | frame_high = atoi (argv[1 + oind]); | |
fb40c209 AC |
112 | } |
113 | else | |
114 | { | |
115 | /* Called with no arguments, it means we want the whole | |
2b03b41d | 116 | backtrace. */ |
fb40c209 AC |
117 | frame_low = -1; |
118 | frame_high = -1; | |
119 | } | |
120 | ||
121 | /* Let's position fi on the frame at which to start the | |
122 | display. Could be the innermost frame if the whole stack needs | |
2b03b41d | 123 | displaying, or if frame_low is 0. */ |
fb40c209 AC |
124 | for (i = 0, fi = get_current_frame (); |
125 | fi && i < frame_low; | |
126 | i++, fi = get_prev_frame (fi)); | |
127 | ||
128 | if (fi == NULL) | |
1b05df00 | 129 | error (_("-stack-list-frames: Not enough frames in stack.")); |
fb40c209 | 130 | |
79a45e25 | 131 | cleanup_stack = make_cleanup_ui_out_list_begin_end (current_uiout, "stack"); |
fb40c209 | 132 | |
1e611234 | 133 | if (! raw_arg && frame_filters) |
fb40c209 | 134 | { |
1e611234 PM |
135 | int flags = PRINT_LEVEL | PRINT_FRAME_INFO; |
136 | int py_frame_low = frame_low; | |
137 | ||
138 | /* We cannot pass -1 to frame_low, as that would signify a | |
139 | relative backtrace from the tail of the stack. So, in the case | |
140 | of frame_low == -1, assign and increment it. */ | |
141 | if (py_frame_low == -1) | |
142 | py_frame_low++; | |
143 | ||
6dddc817 DE |
144 | result = apply_ext_lang_frame_filter (get_current_frame (), flags, |
145 | NO_VALUES, current_uiout, | |
146 | py_frame_low, frame_high); | |
1e611234 PM |
147 | } |
148 | ||
149 | /* Run the inbuilt backtrace if there are no filters registered, or | |
150 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 151 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 PM |
152 | { |
153 | /* Now let's print the frames up to frame_high, or until there are | |
154 | frames in the stack. */ | |
155 | for (; | |
156 | fi && (i <= frame_high || frame_high == -1); | |
157 | i++, fi = get_prev_frame (fi)) | |
158 | { | |
159 | QUIT; | |
160 | /* Print the location and the address always, even for level 0. | |
161 | If args is 0, don't print the arguments. */ | |
08d72866 | 162 | print_frame_info (fi, 1, LOC_AND_ADDRESS, 0 /* args */, 0); |
1e611234 | 163 | } |
fb40c209 AC |
164 | } |
165 | ||
6ad4a2cf | 166 | do_cleanups (cleanup_stack); |
fb40c209 AC |
167 | } |
168 | ||
ce8f13f8 | 169 | void |
fb40c209 AC |
170 | mi_cmd_stack_info_depth (char *command, char **argv, int argc) |
171 | { | |
172 | int frame_high; | |
173 | int i; | |
174 | struct frame_info *fi; | |
175 | ||
fb40c209 | 176 | if (argc > 1) |
1b05df00 | 177 | error (_("-stack-info-depth: Usage: [MAX_DEPTH]")); |
fb40c209 AC |
178 | |
179 | if (argc == 1) | |
180 | frame_high = atoi (argv[0]); | |
181 | else | |
182 | /* Called with no arguments, it means we want the real depth of | |
2b03b41d | 183 | the stack. */ |
fb40c209 AC |
184 | frame_high = -1; |
185 | ||
186 | for (i = 0, fi = get_current_frame (); | |
187 | fi && (i < frame_high || frame_high == -1); | |
188 | i++, fi = get_prev_frame (fi)) | |
189 | QUIT; | |
190 | ||
79a45e25 | 191 | ui_out_field_int (current_uiout, "depth", i); |
fb40c209 AC |
192 | } |
193 | ||
7a93fb82 | 194 | /* Print a list of the locals for the current frame. With argument of |
fb40c209 | 195 | 0, print only the names, with argument of 1 print also the |
2b03b41d SS |
196 | values. */ |
197 | ||
ce8f13f8 | 198 | void |
fb40c209 AC |
199 | mi_cmd_stack_list_locals (char *command, char **argv, int argc) |
200 | { | |
f5ec2042 | 201 | struct frame_info *frame; |
1e611234 | 202 | int raw_arg = 0; |
6dddc817 | 203 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
1e611234 | 204 | int print_value; |
645eab03 | 205 | int oind = 0; |
6211c335 YQ |
206 | int skip_unavailable = 0; |
207 | int i; | |
f5ec2042 | 208 | |
645eab03 YQ |
209 | if (argc > 1) |
210 | { | |
211 | int i; | |
212 | enum opt | |
213 | { | |
6211c335 YQ |
214 | NO_FRAME_FILTERS, |
215 | SKIP_UNAVAILABLE, | |
645eab03 YQ |
216 | }; |
217 | static const struct mi_opt opts[] = | |
218 | { | |
219 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 220 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
645eab03 YQ |
221 | { 0, 0, 0 } |
222 | }; | |
223 | ||
224 | while (1) | |
225 | { | |
226 | char *oarg; | |
227 | /* Don't parse 'print-values' as an option. */ | |
228 | int opt = mi_getopt ("-stack-list-locals", argc - 1, argv, | |
229 | opts, &oind, &oarg); | |
230 | ||
231 | if (opt < 0) | |
232 | break; | |
233 | switch ((enum opt) opt) | |
234 | { | |
235 | case NO_FRAME_FILTERS: | |
236 | raw_arg = oind; | |
6211c335 YQ |
237 | case SKIP_UNAVAILABLE: |
238 | skip_unavailable = 1; | |
645eab03 YQ |
239 | break; |
240 | } | |
241 | } | |
242 | } | |
fb40c209 | 243 | |
645eab03 YQ |
244 | /* After the last option is parsed, there should be only |
245 | 'print-values'. */ | |
246 | if (argc - oind != 1) | |
6211c335 YQ |
247 | error (_("-stack-list-locals: Usage: [--no-frame-filters] " |
248 | "[--skip-unavailable] PRINT_VALUES")); | |
f5ec2042 | 249 | |
1e611234 | 250 | frame = get_selected_frame (NULL); |
645eab03 | 251 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
252 | |
253 | if (! raw_arg && frame_filters) | |
254 | { | |
255 | int flags = PRINT_LEVEL | PRINT_LOCALS; | |
256 | ||
6dddc817 DE |
257 | result = apply_ext_lang_frame_filter (frame, flags, print_value, |
258 | current_uiout, 0, 0); | |
1e611234 PM |
259 | } |
260 | ||
261 | /* Run the inbuilt backtrace if there are no filters registered, or | |
262 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 263 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 264 | { |
6211c335 YQ |
265 | list_args_or_locals (locals, print_value, frame, |
266 | skip_unavailable); | |
1e611234 | 267 | } |
fb40c209 AC |
268 | } |
269 | ||
7a93fb82 | 270 | /* Print a list of the arguments for the current frame. With argument |
fb40c209 | 271 | of 0, print only the names, with argument of 1 print also the |
2b03b41d SS |
272 | values. */ |
273 | ||
ce8f13f8 | 274 | void |
fb40c209 AC |
275 | mi_cmd_stack_list_args (char *command, char **argv, int argc) |
276 | { | |
277 | int frame_low; | |
278 | int frame_high; | |
279 | int i; | |
280 | struct frame_info *fi; | |
6ad4a2cf | 281 | struct cleanup *cleanup_stack_args; |
8b777f02 | 282 | enum print_values print_values; |
79a45e25 | 283 | struct ui_out *uiout = current_uiout; |
1e611234 | 284 | int raw_arg = 0; |
242f1fd7 | 285 | int oind = 0; |
6211c335 | 286 | int skip_unavailable = 0; |
6dddc817 | 287 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
242f1fd7 YQ |
288 | enum opt |
289 | { | |
290 | NO_FRAME_FILTERS, | |
6211c335 | 291 | SKIP_UNAVAILABLE, |
242f1fd7 YQ |
292 | }; |
293 | static const struct mi_opt opts[] = | |
294 | { | |
295 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 296 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
242f1fd7 YQ |
297 | { 0, 0, 0 } |
298 | }; | |
299 | ||
300 | while (1) | |
301 | { | |
302 | char *oarg; | |
303 | int opt = mi_getopt_allow_unknown ("-stack-list-args", argc, argv, | |
304 | opts, &oind, &oarg); | |
fb40c209 | 305 | |
242f1fd7 YQ |
306 | if (opt < 0) |
307 | break; | |
308 | switch ((enum opt) opt) | |
309 | { | |
310 | case NO_FRAME_FILTERS: | |
311 | raw_arg = oind; | |
312 | break; | |
6211c335 YQ |
313 | case SKIP_UNAVAILABLE: |
314 | skip_unavailable = 1; | |
315 | break; | |
242f1fd7 YQ |
316 | } |
317 | } | |
fb40c209 | 318 | |
242f1fd7 YQ |
319 | if (argc - oind != 1 && argc - oind != 3) |
320 | error (_("-stack-list-arguments: Usage: " \ | |
6211c335 YQ |
321 | "[--no-frame-filters] [--skip-unavailable] " |
322 | "PRINT_VALUES [FRAME_LOW FRAME_HIGH]")); | |
1e611234 | 323 | |
242f1fd7 | 324 | if (argc - oind == 3) |
fb40c209 | 325 | { |
242f1fd7 YQ |
326 | frame_low = atoi (argv[1 + oind]); |
327 | frame_high = atoi (argv[2 + oind]); | |
fb40c209 AC |
328 | } |
329 | else | |
330 | { | |
331 | /* Called with no arguments, it means we want args for the whole | |
2b03b41d | 332 | backtrace. */ |
fb40c209 AC |
333 | frame_low = -1; |
334 | frame_high = -1; | |
335 | } | |
336 | ||
242f1fd7 | 337 | print_values = mi_parse_print_values (argv[oind]); |
8b777f02 | 338 | |
fb40c209 AC |
339 | /* Let's position fi on the frame at which to start the |
340 | display. Could be the innermost frame if the whole stack needs | |
2b03b41d | 341 | displaying, or if frame_low is 0. */ |
fb40c209 AC |
342 | for (i = 0, fi = get_current_frame (); |
343 | fi && i < frame_low; | |
344 | i++, fi = get_prev_frame (fi)); | |
345 | ||
346 | if (fi == NULL) | |
1b05df00 | 347 | error (_("-stack-list-arguments: Not enough frames in stack.")); |
fb40c209 | 348 | |
9a2b4c1b MS |
349 | cleanup_stack_args |
350 | = make_cleanup_ui_out_list_begin_end (uiout, "stack-args"); | |
fb40c209 | 351 | |
1e611234 | 352 | if (! raw_arg && frame_filters) |
fb40c209 | 353 | { |
1e611234 PM |
354 | int flags = PRINT_LEVEL | PRINT_ARGS; |
355 | int py_frame_low = frame_low; | |
356 | ||
357 | /* We cannot pass -1 to frame_low, as that would signify a | |
358 | relative backtrace from the tail of the stack. So, in the case | |
359 | of frame_low == -1, assign and increment it. */ | |
360 | if (py_frame_low == -1) | |
361 | py_frame_low++; | |
362 | ||
6dddc817 DE |
363 | result = apply_ext_lang_frame_filter (get_current_frame (), flags, |
364 | print_values, current_uiout, | |
365 | py_frame_low, frame_high); | |
fb40c209 AC |
366 | } |
367 | ||
1e611234 PM |
368 | /* Run the inbuilt backtrace if there are no filters registered, or |
369 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 370 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 PM |
371 | { |
372 | /* Now let's print the frames up to frame_high, or until there are | |
373 | frames in the stack. */ | |
374 | for (; | |
375 | fi && (i <= frame_high || frame_high == -1); | |
376 | i++, fi = get_prev_frame (fi)) | |
377 | { | |
378 | struct cleanup *cleanup_frame; | |
379 | ||
380 | QUIT; | |
381 | cleanup_frame = make_cleanup_ui_out_tuple_begin_end (uiout, "frame"); | |
382 | ui_out_field_int (uiout, "level", i); | |
6211c335 | 383 | list_args_or_locals (arguments, print_values, fi, skip_unavailable); |
1e611234 PM |
384 | do_cleanups (cleanup_frame); |
385 | } | |
386 | } | |
6ad4a2cf | 387 | do_cleanups (cleanup_stack_args); |
fb40c209 AC |
388 | } |
389 | ||
daf3c977 | 390 | /* Print a list of the local variables (including arguments) for the |
7a93fb82 VP |
391 | current frame. ARGC must be 1 and ARGV[0] specify if only the names, |
392 | or both names and values of the variables must be printed. See | |
393 | parse_print_value for possible values. */ | |
2b03b41d | 394 | |
daf3c977 VP |
395 | void |
396 | mi_cmd_stack_list_variables (char *command, char **argv, int argc) | |
397 | { | |
398 | struct frame_info *frame; | |
1e611234 | 399 | int raw_arg = 0; |
6dddc817 | 400 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
1e611234 | 401 | int print_value; |
645eab03 | 402 | int oind = 0; |
6211c335 | 403 | int skip_unavailable = 0; |
daf3c977 | 404 | |
645eab03 YQ |
405 | if (argc > 1) |
406 | { | |
407 | int i; | |
408 | enum opt | |
409 | { | |
6211c335 YQ |
410 | NO_FRAME_FILTERS, |
411 | SKIP_UNAVAILABLE, | |
645eab03 YQ |
412 | }; |
413 | static const struct mi_opt opts[] = | |
414 | { | |
415 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 416 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
645eab03 YQ |
417 | { 0, 0, 0 } |
418 | }; | |
419 | ||
420 | while (1) | |
421 | { | |
422 | char *oarg; | |
423 | /* Don't parse 'print-values' as an option. */ | |
424 | int opt = mi_getopt ("-stack-list-variables", argc - 1, | |
425 | argv, opts, &oind, &oarg); | |
426 | if (opt < 0) | |
427 | break; | |
428 | switch ((enum opt) opt) | |
429 | { | |
430 | case NO_FRAME_FILTERS: | |
431 | raw_arg = oind; | |
432 | break; | |
6211c335 YQ |
433 | case SKIP_UNAVAILABLE: |
434 | skip_unavailable = 1; | |
435 | break; | |
645eab03 YQ |
436 | } |
437 | } | |
438 | } | |
daf3c977 | 439 | |
645eab03 YQ |
440 | /* After the last option is parsed, there should be only |
441 | 'print-values'. */ | |
442 | if (argc - oind != 1) | |
6211c335 YQ |
443 | error (_("-stack-list-variables: Usage: [--no-frame-filters] " \ |
444 | "[--skip-unavailable] PRINT_VALUES")); | |
daf3c977 | 445 | |
1e611234 | 446 | frame = get_selected_frame (NULL); |
645eab03 | 447 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
448 | |
449 | if (! raw_arg && frame_filters) | |
450 | { | |
451 | int flags = PRINT_LEVEL | PRINT_ARGS | PRINT_LOCALS; | |
452 | ||
6dddc817 DE |
453 | result = apply_ext_lang_frame_filter (frame, flags, print_value, |
454 | current_uiout, 0, 0); | |
1e611234 PM |
455 | } |
456 | ||
457 | /* Run the inbuilt backtrace if there are no filters registered, or | |
458 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 459 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 460 | { |
6211c335 YQ |
461 | list_args_or_locals (all, print_value, frame, |
462 | skip_unavailable); | |
1e611234 | 463 | } |
daf3c977 VP |
464 | } |
465 | ||
2b03b41d SS |
466 | /* Print single local or argument. ARG must be already read in. For |
467 | WHAT and VALUES see list_args_or_locals. | |
93d86cef | 468 | |
2b03b41d | 469 | Errors are printed as if they would be the parameter value. Use |
6211c335 YQ |
470 | zeroed ARG iff it should not be printed according to VALUES. If |
471 | SKIP_UNAVAILABLE is true, only print ARG if it is available. */ | |
93d86cef JK |
472 | |
473 | static void | |
474 | list_arg_or_local (const struct frame_arg *arg, enum what_to_list what, | |
6211c335 | 475 | enum print_values values, int skip_unavailable) |
93d86cef | 476 | { |
f99d8bf4 | 477 | struct cleanup *old_chain; |
93d86cef | 478 | struct ui_out *uiout = current_uiout; |
f99d8bf4 PA |
479 | struct ui_file *stb; |
480 | ||
93d86cef JK |
481 | gdb_assert (!arg->val || !arg->error); |
482 | gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL | |
483 | && arg->error == NULL) | |
484 | || values == PRINT_SIMPLE_VALUES | |
485 | || (values == PRINT_ALL_VALUES | |
486 | && (arg->val != NULL || arg->error != NULL))); | |
e18b2753 JK |
487 | gdb_assert (arg->entry_kind == print_entry_values_no |
488 | || (arg->entry_kind == print_entry_values_only | |
489 | && (arg->val || arg->error))); | |
93d86cef | 490 | |
6211c335 YQ |
491 | if (skip_unavailable && arg->val != NULL |
492 | && (value_entirely_unavailable (arg->val) | |
493 | /* A scalar object that does not have all bits available is | |
494 | also considered unavailable, because all bits contribute | |
495 | to its representation. */ | |
496 | || (val_print_scalar_type_p (value_type (arg->val)) | |
497 | && !value_bytes_available (arg->val, | |
498 | value_embedded_offset (arg->val), | |
499 | TYPE_LENGTH (value_type (arg->val)))))) | |
500 | return; | |
501 | ||
502 | stb = mem_fileopen (); | |
503 | old_chain = make_cleanup_ui_file_delete (stb); | |
504 | ||
93d86cef | 505 | if (values != PRINT_NO_VALUES || what == all) |
cd82eddc | 506 | make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
93d86cef | 507 | |
f99d8bf4 | 508 | fputs_filtered (SYMBOL_PRINT_NAME (arg->sym), stb); |
e18b2753 | 509 | if (arg->entry_kind == print_entry_values_only) |
f99d8bf4 | 510 | fputs_filtered ("@entry", stb); |
e18b2753 | 511 | ui_out_field_stream (uiout, "name", stb); |
93d86cef JK |
512 | |
513 | if (what == all && SYMBOL_IS_ARGUMENT (arg->sym)) | |
514 | ui_out_field_int (uiout, "arg", 1); | |
515 | ||
516 | if (values == PRINT_SIMPLE_VALUES) | |
517 | { | |
518 | check_typedef (arg->sym->type); | |
f99d8bf4 | 519 | type_print (arg->sym->type, "", stb, -1); |
93d86cef JK |
520 | ui_out_field_stream (uiout, "type", stb); |
521 | } | |
522 | ||
523 | if (arg->val || arg->error) | |
524 | { | |
525 | volatile struct gdb_exception except; | |
526 | ||
527 | if (arg->error) | |
528 | except.message = arg->error; | |
529 | else | |
530 | { | |
531 | /* TRY_CATCH has two statements, wrap it in a block. */ | |
532 | ||
533 | TRY_CATCH (except, RETURN_MASK_ERROR) | |
534 | { | |
535 | struct value_print_options opts; | |
536 | ||
2a998fc0 | 537 | get_no_prettyformat_print_options (&opts); |
93d86cef | 538 | opts.deref_ref = 1; |
f99d8bf4 | 539 | common_val_print (arg->val, stb, 0, &opts, |
93d86cef JK |
540 | language_def (SYMBOL_LANGUAGE (arg->sym))); |
541 | } | |
542 | } | |
543 | if (except.message) | |
f99d8bf4 | 544 | fprintf_filtered (stb, _("<error reading variable: %s>"), |
93d86cef JK |
545 | except.message); |
546 | ui_out_field_stream (uiout, "value", stb); | |
547 | } | |
548 | ||
f99d8bf4 | 549 | do_cleanups (old_chain); |
93d86cef | 550 | } |
daf3c977 | 551 | |
5c4aa40b YQ |
552 | /* Print a list of the objects for the frame FI in a certain form, |
553 | which is determined by VALUES. The objects can be locals, | |
6211c335 YQ |
554 | arguments or both, which is determined by WHAT. If SKIP_UNAVAILABLE |
555 | is true, only print the arguments or local variables whose values | |
556 | are available. */ | |
2b03b41d | 557 | |
fb40c209 | 558 | static void |
bdaf8d4a | 559 | list_args_or_locals (enum what_to_list what, enum print_values values, |
6211c335 | 560 | struct frame_info *fi, int skip_unavailable) |
fb40c209 AC |
561 | { |
562 | struct block *block; | |
563 | struct symbol *sym; | |
8157b174 | 564 | struct block_iterator iter; |
6ad4a2cf | 565 | struct cleanup *cleanup_list; |
f5ec2042 | 566 | struct type *type; |
daf3c977 | 567 | char *name_of_result; |
79a45e25 | 568 | struct ui_out *uiout = current_uiout; |
fb40c209 | 569 | |
ae767bfb | 570 | block = get_frame_block (fi, 0); |
fb40c209 | 571 | |
daf3c977 VP |
572 | switch (what) |
573 | { | |
574 | case locals: | |
d6fd4674 PA |
575 | name_of_result = "locals"; |
576 | break; | |
daf3c977 | 577 | case arguments: |
d6fd4674 PA |
578 | name_of_result = "args"; |
579 | break; | |
daf3c977 | 580 | case all: |
d6fd4674 PA |
581 | name_of_result = "variables"; |
582 | break; | |
654e7c1f | 583 | default: |
d6fd4674 PA |
584 | internal_error (__FILE__, __LINE__, |
585 | "unexpected what_to_list: %d", (int) what); | |
daf3c977 VP |
586 | } |
587 | ||
588 | cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, name_of_result); | |
fb40c209 AC |
589 | |
590 | while (block != 0) | |
591 | { | |
de4f826b | 592 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
fb40c209 | 593 | { |
39bf4652 JB |
594 | int print_me = 0; |
595 | ||
fb40c209 AC |
596 | switch (SYMBOL_CLASS (sym)) |
597 | { | |
598 | default: | |
599 | case LOC_UNDEF: /* catches errors */ | |
600 | case LOC_CONST: /* constant */ | |
601 | case LOC_TYPEDEF: /* local typedef */ | |
602 | case LOC_LABEL: /* local label */ | |
603 | case LOC_BLOCK: /* local function */ | |
604 | case LOC_CONST_BYTES: /* loc. byte seq. */ | |
605 | case LOC_UNRESOLVED: /* unresolved static */ | |
606 | case LOC_OPTIMIZED_OUT: /* optimized out */ | |
607 | print_me = 0; | |
608 | break; | |
609 | ||
610 | case LOC_ARG: /* argument */ | |
611 | case LOC_REF_ARG: /* reference arg */ | |
fb40c209 | 612 | case LOC_REGPARM_ADDR: /* indirect register arg */ |
fb40c209 | 613 | case LOC_LOCAL: /* stack local */ |
fb40c209 AC |
614 | case LOC_STATIC: /* static */ |
615 | case LOC_REGISTER: /* register */ | |
4cf623b6 | 616 | case LOC_COMPUTED: /* computed location */ |
daf3c977 | 617 | if (what == all) |
fb40c209 | 618 | print_me = 1; |
daf3c977 VP |
619 | else if (what == locals) |
620 | print_me = !SYMBOL_IS_ARGUMENT (sym); | |
621 | else | |
622 | print_me = SYMBOL_IS_ARGUMENT (sym); | |
fb40c209 AC |
623 | break; |
624 | } | |
625 | if (print_me) | |
626 | { | |
6bb0384f | 627 | struct symbol *sym2; |
e18b2753 | 628 | struct frame_arg arg, entryarg; |
fb40c209 | 629 | |
daf3c977 | 630 | if (SYMBOL_IS_ARGUMENT (sym)) |
f7e44f65 | 631 | sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym), |
f5ec2042 | 632 | block, VAR_DOMAIN, |
1993b719 | 633 | NULL); |
f5ec2042 | 634 | else |
2a2d4dc3 | 635 | sym2 = sym; |
f7e44f65 | 636 | gdb_assert (sym2 != NULL); |
93d86cef JK |
637 | |
638 | memset (&arg, 0, sizeof (arg)); | |
639 | arg.sym = sym2; | |
e18b2753 JK |
640 | arg.entry_kind = print_entry_values_no; |
641 | memset (&entryarg, 0, sizeof (entryarg)); | |
642 | entryarg.sym = sym2; | |
643 | entryarg.entry_kind = print_entry_values_no; | |
93d86cef | 644 | |
f5ec2042 NR |
645 | switch (values) |
646 | { | |
647 | case PRINT_SIMPLE_VALUES: | |
648 | type = check_typedef (sym2->type); | |
f5ec2042 NR |
649 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY |
650 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
651 | && TYPE_CODE (type) != TYPE_CODE_UNION) | |
652 | { | |
f5ec2042 | 653 | case PRINT_ALL_VALUES: |
82a0a75f YQ |
654 | if (SYMBOL_IS_ARGUMENT (sym)) |
655 | read_frame_arg (sym2, fi, &arg, &entryarg); | |
656 | else | |
657 | read_frame_local (sym2, fi, &arg); | |
93d86cef | 658 | } |
f5ec2042 | 659 | break; |
fb40c209 | 660 | } |
7a93fb82 | 661 | |
e18b2753 | 662 | if (arg.entry_kind != print_entry_values_only) |
6211c335 | 663 | list_arg_or_local (&arg, what, values, skip_unavailable); |
e18b2753 | 664 | if (entryarg.entry_kind != print_entry_values_no) |
6211c335 | 665 | list_arg_or_local (&entryarg, what, values, skip_unavailable); |
93d86cef | 666 | xfree (arg.error); |
e18b2753 | 667 | xfree (entryarg.error); |
fb40c209 AC |
668 | } |
669 | } | |
2b03b41d | 670 | |
fb40c209 AC |
671 | if (BLOCK_FUNCTION (block)) |
672 | break; | |
673 | else | |
674 | block = BLOCK_SUPERBLOCK (block); | |
675 | } | |
6ad4a2cf | 676 | do_cleanups (cleanup_list); |
fb40c209 AC |
677 | } |
678 | ||
ce8f13f8 | 679 | void |
fb40c209 AC |
680 | mi_cmd_stack_select_frame (char *command, char **argv, int argc) |
681 | { | |
fcf43932 | 682 | if (argc == 0 || argc > 1) |
1b05df00 | 683 | error (_("-stack-select-frame: Usage: FRAME_SPEC")); |
fb40c209 | 684 | |
fcf43932 | 685 | select_frame_command (argv[0], 1 /* not used */ ); |
fb40c209 | 686 | } |
64fd8944 | 687 | |
ce8f13f8 | 688 | void |
64fd8944 NR |
689 | mi_cmd_stack_info_frame (char *command, char **argv, int argc) |
690 | { | |
691 | if (argc > 0) | |
2b03b41d | 692 | error (_("-stack-info-frame: No arguments allowed")); |
ce8f13f8 | 693 | |
08d72866 | 694 | print_frame_info (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 0, 1); |
64fd8944 | 695 | } |