Commit | Line | Data |
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fb40c209 | 1 | /* MI Command Set - stack commands. |
e2882c85 | 2 | Copyright (C) 2000-2018 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" |
d8ca156b | 30 | #include "language.h" |
79a45b7d | 31 | #include "valprint.h" |
1e611234 PM |
32 | #include "utils.h" |
33 | #include "mi-getopt.h" | |
6dddc817 | 34 | #include "extension.h" |
1e611234 | 35 | #include <ctype.h> |
87967e27 | 36 | #include "mi-parse.h" |
0092b74d | 37 | #include "common/gdb_optional.h" |
daf3c977 VP |
38 | |
39 | enum what_to_list { locals, arguments, all }; | |
40 | ||
6211c335 | 41 | static void list_args_or_locals (enum what_to_list what, |
bdaf8d4a | 42 | enum print_values values, |
6211c335 YQ |
43 | struct frame_info *fi, |
44 | int skip_unavailable); | |
fb40c209 | 45 | |
1e611234 PM |
46 | /* True if we want to allow Python-based frame filters. */ |
47 | static int frame_filters = 0; | |
48 | ||
49 | void | |
9f33b8b7 | 50 | mi_cmd_enable_frame_filters (const char *command, char **argv, int argc) |
1e611234 PM |
51 | { |
52 | if (argc != 0) | |
53 | error (_("-enable-frame-filters: no arguments allowed")); | |
54 | frame_filters = 1; | |
55 | } | |
56 | ||
10367c7c PA |
57 | /* Like apply_ext_lang_frame_filter, but take a print_values */ |
58 | ||
59 | static enum ext_lang_bt_status | |
d4dd3282 TT |
60 | mi_apply_ext_lang_frame_filter (struct frame_info *frame, |
61 | frame_filter_flags flags, | |
10367c7c PA |
62 | enum print_values print_values, |
63 | struct ui_out *out, | |
64 | int frame_low, int frame_high) | |
65 | { | |
66 | /* ext_lang_frame_args's MI options are compatible with MI print | |
67 | values. */ | |
68 | return apply_ext_lang_frame_filter (frame, flags, | |
69 | (enum ext_lang_frame_args) print_values, | |
70 | out, | |
71 | frame_low, frame_high); | |
72 | } | |
73 | ||
2b03b41d | 74 | /* Print a list of the stack frames. Args can be none, in which case |
fb40c209 AC |
75 | we want to print the whole backtrace, or a pair of numbers |
76 | specifying the frame numbers at which to start and stop the | |
2b03b41d SS |
77 | display. If the two numbers are equal, a single frame will be |
78 | displayed. */ | |
79 | ||
ce8f13f8 | 80 | void |
9f33b8b7 | 81 | mi_cmd_stack_list_frames (const char *command, char **argv, int argc) |
fb40c209 AC |
82 | { |
83 | int frame_low; | |
84 | int frame_high; | |
85 | int i; | |
86 | struct frame_info *fi; | |
6dddc817 | 87 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
1e611234 PM |
88 | int raw_arg = 0; |
89 | int oind = 0; | |
90 | enum opt | |
91 | { | |
92 | NO_FRAME_FILTERS | |
93 | }; | |
94 | static const struct mi_opt opts[] = | |
95 | { | |
96 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
97 | { 0, 0, 0 } | |
98 | }; | |
99 | ||
100 | /* Parse arguments. In this instance we are just looking for | |
101 | --no-frame-filters. */ | |
102 | while (1) | |
103 | { | |
104 | char *oarg; | |
105 | int opt = mi_getopt ("-stack-list-frames", argc, argv, | |
106 | opts, &oind, &oarg); | |
107 | if (opt < 0) | |
108 | break; | |
109 | switch ((enum opt) opt) | |
110 | { | |
111 | case NO_FRAME_FILTERS: | |
112 | raw_arg = oind; | |
113 | break; | |
114 | } | |
115 | } | |
fb40c209 | 116 | |
1e611234 PM |
117 | /* After the last option is parsed, there should either be low - |
118 | high range, or no further arguments. */ | |
119 | if ((argc - oind != 0) && (argc - oind != 2)) | |
120 | error (_("-stack-list-frames: Usage: [--no-frame-filters] [FRAME_LOW FRAME_HIGH]")); | |
fb40c209 | 121 | |
1e611234 PM |
122 | /* If there is a range, set it. */ |
123 | if (argc - oind == 2) | |
fb40c209 | 124 | { |
1e611234 PM |
125 | frame_low = atoi (argv[0 + oind]); |
126 | frame_high = atoi (argv[1 + oind]); | |
fb40c209 AC |
127 | } |
128 | else | |
129 | { | |
130 | /* Called with no arguments, it means we want the whole | |
2b03b41d | 131 | backtrace. */ |
fb40c209 AC |
132 | frame_low = -1; |
133 | frame_high = -1; | |
134 | } | |
135 | ||
136 | /* Let's position fi on the frame at which to start the | |
137 | display. Could be the innermost frame if the whole stack needs | |
2b03b41d | 138 | displaying, or if frame_low is 0. */ |
fb40c209 AC |
139 | for (i = 0, fi = get_current_frame (); |
140 | fi && i < frame_low; | |
141 | i++, fi = get_prev_frame (fi)); | |
142 | ||
143 | if (fi == NULL) | |
1b05df00 | 144 | error (_("-stack-list-frames: Not enough frames in stack.")); |
fb40c209 | 145 | |
10f489e5 | 146 | ui_out_emit_list list_emitter (current_uiout, "stack"); |
fb40c209 | 147 | |
1e611234 | 148 | if (! raw_arg && frame_filters) |
fb40c209 | 149 | { |
d4dd3282 | 150 | frame_filter_flags flags = PRINT_LEVEL | PRINT_FRAME_INFO; |
1e611234 PM |
151 | int py_frame_low = frame_low; |
152 | ||
153 | /* We cannot pass -1 to frame_low, as that would signify a | |
154 | relative backtrace from the tail of the stack. So, in the case | |
155 | of frame_low == -1, assign and increment it. */ | |
156 | if (py_frame_low == -1) | |
157 | py_frame_low++; | |
158 | ||
6dddc817 DE |
159 | result = apply_ext_lang_frame_filter (get_current_frame (), flags, |
160 | NO_VALUES, current_uiout, | |
161 | py_frame_low, frame_high); | |
1e611234 PM |
162 | } |
163 | ||
164 | /* Run the inbuilt backtrace if there are no filters registered, or | |
165 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 166 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 PM |
167 | { |
168 | /* Now let's print the frames up to frame_high, or until there are | |
169 | frames in the stack. */ | |
170 | for (; | |
171 | fi && (i <= frame_high || frame_high == -1); | |
172 | i++, fi = get_prev_frame (fi)) | |
173 | { | |
174 | QUIT; | |
175 | /* Print the location and the address always, even for level 0. | |
176 | If args is 0, don't print the arguments. */ | |
08d72866 | 177 | print_frame_info (fi, 1, LOC_AND_ADDRESS, 0 /* args */, 0); |
1e611234 | 178 | } |
fb40c209 | 179 | } |
fb40c209 AC |
180 | } |
181 | ||
ce8f13f8 | 182 | void |
9f33b8b7 | 183 | mi_cmd_stack_info_depth (const char *command, char **argv, int argc) |
fb40c209 AC |
184 | { |
185 | int frame_high; | |
186 | int i; | |
187 | struct frame_info *fi; | |
188 | ||
fb40c209 | 189 | if (argc > 1) |
1b05df00 | 190 | error (_("-stack-info-depth: Usage: [MAX_DEPTH]")); |
fb40c209 AC |
191 | |
192 | if (argc == 1) | |
193 | frame_high = atoi (argv[0]); | |
194 | else | |
195 | /* Called with no arguments, it means we want the real depth of | |
2b03b41d | 196 | the stack. */ |
fb40c209 AC |
197 | frame_high = -1; |
198 | ||
199 | for (i = 0, fi = get_current_frame (); | |
200 | fi && (i < frame_high || frame_high == -1); | |
201 | i++, fi = get_prev_frame (fi)) | |
202 | QUIT; | |
203 | ||
112e8700 | 204 | current_uiout->field_int ("depth", i); |
fb40c209 AC |
205 | } |
206 | ||
7a93fb82 | 207 | /* Print a list of the locals for the current frame. With argument of |
fb40c209 | 208 | 0, print only the names, with argument of 1 print also the |
2b03b41d SS |
209 | values. */ |
210 | ||
ce8f13f8 | 211 | void |
9f33b8b7 | 212 | mi_cmd_stack_list_locals (const char *command, char **argv, int argc) |
fb40c209 | 213 | { |
f5ec2042 | 214 | struct frame_info *frame; |
1e611234 | 215 | int raw_arg = 0; |
6dddc817 | 216 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
f486487f | 217 | enum print_values print_value; |
645eab03 | 218 | int oind = 0; |
6211c335 | 219 | int skip_unavailable = 0; |
f5ec2042 | 220 | |
645eab03 YQ |
221 | if (argc > 1) |
222 | { | |
645eab03 YQ |
223 | enum opt |
224 | { | |
6211c335 YQ |
225 | NO_FRAME_FILTERS, |
226 | SKIP_UNAVAILABLE, | |
645eab03 YQ |
227 | }; |
228 | static const struct mi_opt opts[] = | |
229 | { | |
230 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 231 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
645eab03 YQ |
232 | { 0, 0, 0 } |
233 | }; | |
234 | ||
235 | while (1) | |
236 | { | |
237 | char *oarg; | |
238 | /* Don't parse 'print-values' as an option. */ | |
239 | int opt = mi_getopt ("-stack-list-locals", argc - 1, argv, | |
240 | opts, &oind, &oarg); | |
241 | ||
242 | if (opt < 0) | |
243 | break; | |
244 | switch ((enum opt) opt) | |
245 | { | |
246 | case NO_FRAME_FILTERS: | |
247 | raw_arg = oind; | |
6211c335 YQ |
248 | case SKIP_UNAVAILABLE: |
249 | skip_unavailable = 1; | |
645eab03 YQ |
250 | break; |
251 | } | |
252 | } | |
253 | } | |
fb40c209 | 254 | |
645eab03 YQ |
255 | /* After the last option is parsed, there should be only |
256 | 'print-values'. */ | |
257 | if (argc - oind != 1) | |
6211c335 YQ |
258 | error (_("-stack-list-locals: Usage: [--no-frame-filters] " |
259 | "[--skip-unavailable] PRINT_VALUES")); | |
f5ec2042 | 260 | |
1e611234 | 261 | frame = get_selected_frame (NULL); |
645eab03 | 262 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
263 | |
264 | if (! raw_arg && frame_filters) | |
265 | { | |
d4dd3282 | 266 | frame_filter_flags flags = PRINT_LEVEL | PRINT_LOCALS; |
1e611234 | 267 | |
10367c7c PA |
268 | result = mi_apply_ext_lang_frame_filter (frame, flags, print_value, |
269 | current_uiout, 0, 0); | |
1e611234 PM |
270 | } |
271 | ||
272 | /* Run the inbuilt backtrace if there are no filters registered, or | |
273 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 274 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 275 | { |
6211c335 YQ |
276 | list_args_or_locals (locals, print_value, frame, |
277 | skip_unavailable); | |
1e611234 | 278 | } |
fb40c209 AC |
279 | } |
280 | ||
7a93fb82 | 281 | /* Print a list of the arguments for the current frame. With argument |
fb40c209 | 282 | of 0, print only the names, with argument of 1 print also the |
2b03b41d SS |
283 | values. */ |
284 | ||
ce8f13f8 | 285 | void |
9f33b8b7 | 286 | mi_cmd_stack_list_args (const char *command, char **argv, int argc) |
fb40c209 AC |
287 | { |
288 | int frame_low; | |
289 | int frame_high; | |
290 | int i; | |
291 | struct frame_info *fi; | |
8b777f02 | 292 | enum print_values print_values; |
79a45e25 | 293 | struct ui_out *uiout = current_uiout; |
1e611234 | 294 | int raw_arg = 0; |
242f1fd7 | 295 | int oind = 0; |
6211c335 | 296 | int skip_unavailable = 0; |
6dddc817 | 297 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
242f1fd7 YQ |
298 | enum opt |
299 | { | |
300 | NO_FRAME_FILTERS, | |
6211c335 | 301 | SKIP_UNAVAILABLE, |
242f1fd7 YQ |
302 | }; |
303 | static const struct mi_opt opts[] = | |
304 | { | |
305 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 306 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
242f1fd7 YQ |
307 | { 0, 0, 0 } |
308 | }; | |
309 | ||
310 | while (1) | |
311 | { | |
312 | char *oarg; | |
313 | int opt = mi_getopt_allow_unknown ("-stack-list-args", argc, argv, | |
314 | opts, &oind, &oarg); | |
fb40c209 | 315 | |
242f1fd7 YQ |
316 | if (opt < 0) |
317 | break; | |
318 | switch ((enum opt) opt) | |
319 | { | |
320 | case NO_FRAME_FILTERS: | |
321 | raw_arg = oind; | |
322 | break; | |
6211c335 YQ |
323 | case SKIP_UNAVAILABLE: |
324 | skip_unavailable = 1; | |
325 | break; | |
242f1fd7 YQ |
326 | } |
327 | } | |
fb40c209 | 328 | |
242f1fd7 YQ |
329 | if (argc - oind != 1 && argc - oind != 3) |
330 | error (_("-stack-list-arguments: Usage: " \ | |
6211c335 YQ |
331 | "[--no-frame-filters] [--skip-unavailable] " |
332 | "PRINT_VALUES [FRAME_LOW FRAME_HIGH]")); | |
1e611234 | 333 | |
242f1fd7 | 334 | if (argc - oind == 3) |
fb40c209 | 335 | { |
242f1fd7 YQ |
336 | frame_low = atoi (argv[1 + oind]); |
337 | frame_high = atoi (argv[2 + oind]); | |
fb40c209 AC |
338 | } |
339 | else | |
340 | { | |
341 | /* Called with no arguments, it means we want args for the whole | |
2b03b41d | 342 | backtrace. */ |
fb40c209 AC |
343 | frame_low = -1; |
344 | frame_high = -1; | |
345 | } | |
346 | ||
242f1fd7 | 347 | print_values = mi_parse_print_values (argv[oind]); |
8b777f02 | 348 | |
fb40c209 AC |
349 | /* Let's position fi on the frame at which to start the |
350 | display. Could be the innermost frame if the whole stack needs | |
2b03b41d | 351 | displaying, or if frame_low is 0. */ |
fb40c209 AC |
352 | for (i = 0, fi = get_current_frame (); |
353 | fi && i < frame_low; | |
354 | i++, fi = get_prev_frame (fi)); | |
355 | ||
356 | if (fi == NULL) | |
1b05df00 | 357 | error (_("-stack-list-arguments: Not enough frames in stack.")); |
fb40c209 | 358 | |
10f489e5 | 359 | ui_out_emit_list list_emitter (uiout, "stack-args"); |
fb40c209 | 360 | |
1e611234 | 361 | if (! raw_arg && frame_filters) |
fb40c209 | 362 | { |
d4dd3282 | 363 | frame_filter_flags flags = PRINT_LEVEL | PRINT_ARGS; |
1e611234 PM |
364 | int py_frame_low = frame_low; |
365 | ||
366 | /* We cannot pass -1 to frame_low, as that would signify a | |
367 | relative backtrace from the tail of the stack. So, in the case | |
368 | of frame_low == -1, assign and increment it. */ | |
369 | if (py_frame_low == -1) | |
370 | py_frame_low++; | |
371 | ||
10367c7c PA |
372 | result = mi_apply_ext_lang_frame_filter (get_current_frame (), flags, |
373 | print_values, current_uiout, | |
374 | py_frame_low, frame_high); | |
fb40c209 AC |
375 | } |
376 | ||
1e611234 PM |
377 | /* Run the inbuilt backtrace if there are no filters registered, or |
378 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 379 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 PM |
380 | { |
381 | /* Now let's print the frames up to frame_high, or until there are | |
382 | frames in the stack. */ | |
383 | for (; | |
384 | fi && (i <= frame_high || frame_high == -1); | |
385 | i++, fi = get_prev_frame (fi)) | |
386 | { | |
1e611234 | 387 | QUIT; |
2e783024 | 388 | ui_out_emit_tuple tuple_emitter (uiout, "frame"); |
112e8700 | 389 | uiout->field_int ("level", i); |
6211c335 | 390 | list_args_or_locals (arguments, print_values, fi, skip_unavailable); |
1e611234 PM |
391 | } |
392 | } | |
fb40c209 AC |
393 | } |
394 | ||
daf3c977 | 395 | /* Print a list of the local variables (including arguments) for the |
7a93fb82 VP |
396 | current frame. ARGC must be 1 and ARGV[0] specify if only the names, |
397 | or both names and values of the variables must be printed. See | |
398 | parse_print_value for possible values. */ | |
2b03b41d | 399 | |
daf3c977 | 400 | void |
9f33b8b7 | 401 | mi_cmd_stack_list_variables (const char *command, char **argv, int argc) |
daf3c977 VP |
402 | { |
403 | struct frame_info *frame; | |
1e611234 | 404 | int raw_arg = 0; |
6dddc817 | 405 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
f486487f | 406 | enum print_values print_value; |
645eab03 | 407 | int oind = 0; |
6211c335 | 408 | int skip_unavailable = 0; |
daf3c977 | 409 | |
645eab03 YQ |
410 | if (argc > 1) |
411 | { | |
645eab03 YQ |
412 | enum opt |
413 | { | |
6211c335 YQ |
414 | NO_FRAME_FILTERS, |
415 | SKIP_UNAVAILABLE, | |
645eab03 YQ |
416 | }; |
417 | static const struct mi_opt opts[] = | |
418 | { | |
419 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 420 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
645eab03 YQ |
421 | { 0, 0, 0 } |
422 | }; | |
423 | ||
424 | while (1) | |
425 | { | |
426 | char *oarg; | |
427 | /* Don't parse 'print-values' as an option. */ | |
428 | int opt = mi_getopt ("-stack-list-variables", argc - 1, | |
429 | argv, opts, &oind, &oarg); | |
430 | if (opt < 0) | |
431 | break; | |
432 | switch ((enum opt) opt) | |
433 | { | |
434 | case NO_FRAME_FILTERS: | |
435 | raw_arg = oind; | |
436 | break; | |
6211c335 YQ |
437 | case SKIP_UNAVAILABLE: |
438 | skip_unavailable = 1; | |
439 | break; | |
645eab03 YQ |
440 | } |
441 | } | |
442 | } | |
daf3c977 | 443 | |
645eab03 YQ |
444 | /* After the last option is parsed, there should be only |
445 | 'print-values'. */ | |
446 | if (argc - oind != 1) | |
6211c335 YQ |
447 | error (_("-stack-list-variables: Usage: [--no-frame-filters] " \ |
448 | "[--skip-unavailable] PRINT_VALUES")); | |
daf3c977 | 449 | |
1e611234 | 450 | frame = get_selected_frame (NULL); |
645eab03 | 451 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
452 | |
453 | if (! raw_arg && frame_filters) | |
454 | { | |
d4dd3282 | 455 | frame_filter_flags flags = PRINT_LEVEL | PRINT_ARGS | PRINT_LOCALS; |
1e611234 | 456 | |
10367c7c PA |
457 | result = mi_apply_ext_lang_frame_filter (frame, flags, |
458 | print_value, | |
459 | current_uiout, 0, 0); | |
1e611234 PM |
460 | } |
461 | ||
462 | /* Run the inbuilt backtrace if there are no filters registered, or | |
463 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 464 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 465 | { |
6211c335 YQ |
466 | list_args_or_locals (all, print_value, frame, |
467 | skip_unavailable); | |
1e611234 | 468 | } |
daf3c977 VP |
469 | } |
470 | ||
2b03b41d SS |
471 | /* Print single local or argument. ARG must be already read in. For |
472 | WHAT and VALUES see list_args_or_locals. | |
93d86cef | 473 | |
2b03b41d | 474 | Errors are printed as if they would be the parameter value. Use |
6211c335 YQ |
475 | zeroed ARG iff it should not be printed according to VALUES. If |
476 | SKIP_UNAVAILABLE is true, only print ARG if it is available. */ | |
93d86cef JK |
477 | |
478 | static void | |
479 | list_arg_or_local (const struct frame_arg *arg, enum what_to_list what, | |
6211c335 | 480 | enum print_values values, int skip_unavailable) |
93d86cef | 481 | { |
93d86cef | 482 | struct ui_out *uiout = current_uiout; |
f99d8bf4 | 483 | |
93d86cef JK |
484 | gdb_assert (!arg->val || !arg->error); |
485 | gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL | |
486 | && arg->error == NULL) | |
487 | || values == PRINT_SIMPLE_VALUES | |
488 | || (values == PRINT_ALL_VALUES | |
489 | && (arg->val != NULL || arg->error != NULL))); | |
e18b2753 JK |
490 | gdb_assert (arg->entry_kind == print_entry_values_no |
491 | || (arg->entry_kind == print_entry_values_only | |
492 | && (arg->val || arg->error))); | |
93d86cef | 493 | |
6211c335 YQ |
494 | if (skip_unavailable && arg->val != NULL |
495 | && (value_entirely_unavailable (arg->val) | |
496 | /* A scalar object that does not have all bits available is | |
497 | also considered unavailable, because all bits contribute | |
498 | to its representation. */ | |
499 | || (val_print_scalar_type_p (value_type (arg->val)) | |
500 | && !value_bytes_available (arg->val, | |
501 | value_embedded_offset (arg->val), | |
502 | TYPE_LENGTH (value_type (arg->val)))))) | |
503 | return; | |
504 | ||
0092b74d | 505 | gdb::optional<ui_out_emit_tuple> tuple_emitter; |
93d86cef | 506 | if (values != PRINT_NO_VALUES || what == all) |
0092b74d | 507 | tuple_emitter.emplace (uiout, nullptr); |
93d86cef | 508 | |
d7e74731 PA |
509 | string_file stb; |
510 | ||
511 | stb.puts (SYMBOL_PRINT_NAME (arg->sym)); | |
e18b2753 | 512 | if (arg->entry_kind == print_entry_values_only) |
d7e74731 | 513 | stb.puts ("@entry"); |
112e8700 | 514 | uiout->field_stream ("name", stb); |
93d86cef JK |
515 | |
516 | if (what == all && SYMBOL_IS_ARGUMENT (arg->sym)) | |
112e8700 | 517 | uiout->field_int ("arg", 1); |
93d86cef JK |
518 | |
519 | if (values == PRINT_SIMPLE_VALUES) | |
520 | { | |
521 | check_typedef (arg->sym->type); | |
d7e74731 | 522 | type_print (arg->sym->type, "", &stb, -1); |
112e8700 | 523 | uiout->field_stream ("type", stb); |
93d86cef JK |
524 | } |
525 | ||
526 | if (arg->val || arg->error) | |
527 | { | |
492d29ea | 528 | const char *error_message = NULL; |
93d86cef JK |
529 | |
530 | if (arg->error) | |
492d29ea | 531 | error_message = arg->error; |
93d86cef JK |
532 | else |
533 | { | |
492d29ea | 534 | TRY |
93d86cef JK |
535 | { |
536 | struct value_print_options opts; | |
537 | ||
2a998fc0 | 538 | get_no_prettyformat_print_options (&opts); |
93d86cef | 539 | opts.deref_ref = 1; |
d7e74731 | 540 | common_val_print (arg->val, &stb, 0, &opts, |
93d86cef JK |
541 | language_def (SYMBOL_LANGUAGE (arg->sym))); |
542 | } | |
492d29ea PA |
543 | CATCH (except, RETURN_MASK_ERROR) |
544 | { | |
545 | error_message = except.message; | |
546 | } | |
547 | END_CATCH | |
93d86cef | 548 | } |
492d29ea | 549 | if (error_message != NULL) |
d7e74731 | 550 | stb.printf (_("<error reading variable: %s>"), error_message); |
112e8700 | 551 | uiout->field_stream ("value", stb); |
93d86cef | 552 | } |
93d86cef | 553 | } |
daf3c977 | 554 | |
5c4aa40b YQ |
555 | /* Print a list of the objects for the frame FI in a certain form, |
556 | which is determined by VALUES. The objects can be locals, | |
6211c335 YQ |
557 | arguments or both, which is determined by WHAT. If SKIP_UNAVAILABLE |
558 | is true, only print the arguments or local variables whose values | |
559 | are available. */ | |
2b03b41d | 560 | |
fb40c209 | 561 | static void |
bdaf8d4a | 562 | list_args_or_locals (enum what_to_list what, enum print_values values, |
6211c335 | 563 | struct frame_info *fi, int skip_unavailable) |
fb40c209 | 564 | { |
3977b71f | 565 | const struct block *block; |
fb40c209 | 566 | struct symbol *sym; |
8157b174 | 567 | struct block_iterator iter; |
f5ec2042 | 568 | struct type *type; |
a121b7c1 | 569 | const char *name_of_result; |
79a45e25 | 570 | struct ui_out *uiout = current_uiout; |
fb40c209 | 571 | |
ae767bfb | 572 | block = get_frame_block (fi, 0); |
fb40c209 | 573 | |
daf3c977 VP |
574 | switch (what) |
575 | { | |
576 | case locals: | |
d6fd4674 PA |
577 | name_of_result = "locals"; |
578 | break; | |
daf3c977 | 579 | case arguments: |
d6fd4674 PA |
580 | name_of_result = "args"; |
581 | break; | |
daf3c977 | 582 | case all: |
d6fd4674 PA |
583 | name_of_result = "variables"; |
584 | break; | |
654e7c1f | 585 | default: |
d6fd4674 PA |
586 | internal_error (__FILE__, __LINE__, |
587 | "unexpected what_to_list: %d", (int) what); | |
daf3c977 VP |
588 | } |
589 | ||
10f489e5 | 590 | ui_out_emit_list list_emitter (uiout, name_of_result); |
fb40c209 AC |
591 | |
592 | while (block != 0) | |
593 | { | |
de4f826b | 594 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
fb40c209 | 595 | { |
39bf4652 JB |
596 | int print_me = 0; |
597 | ||
fb40c209 AC |
598 | switch (SYMBOL_CLASS (sym)) |
599 | { | |
600 | default: | |
601 | case LOC_UNDEF: /* catches errors */ | |
602 | case LOC_CONST: /* constant */ | |
603 | case LOC_TYPEDEF: /* local typedef */ | |
604 | case LOC_LABEL: /* local label */ | |
605 | case LOC_BLOCK: /* local function */ | |
606 | case LOC_CONST_BYTES: /* loc. byte seq. */ | |
607 | case LOC_UNRESOLVED: /* unresolved static */ | |
608 | case LOC_OPTIMIZED_OUT: /* optimized out */ | |
609 | print_me = 0; | |
610 | break; | |
611 | ||
612 | case LOC_ARG: /* argument */ | |
613 | case LOC_REF_ARG: /* reference arg */ | |
fb40c209 | 614 | case LOC_REGPARM_ADDR: /* indirect register arg */ |
fb40c209 | 615 | case LOC_LOCAL: /* stack local */ |
fb40c209 AC |
616 | case LOC_STATIC: /* static */ |
617 | case LOC_REGISTER: /* register */ | |
4cf623b6 | 618 | case LOC_COMPUTED: /* computed location */ |
daf3c977 | 619 | if (what == all) |
fb40c209 | 620 | print_me = 1; |
daf3c977 VP |
621 | else if (what == locals) |
622 | print_me = !SYMBOL_IS_ARGUMENT (sym); | |
623 | else | |
624 | print_me = SYMBOL_IS_ARGUMENT (sym); | |
fb40c209 AC |
625 | break; |
626 | } | |
627 | if (print_me) | |
628 | { | |
6bb0384f | 629 | struct symbol *sym2; |
e18b2753 | 630 | struct frame_arg arg, entryarg; |
fb40c209 | 631 | |
daf3c977 | 632 | if (SYMBOL_IS_ARGUMENT (sym)) |
f7e44f65 | 633 | sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym), |
f5ec2042 | 634 | block, VAR_DOMAIN, |
d12307c1 | 635 | NULL).symbol; |
f5ec2042 | 636 | else |
2a2d4dc3 | 637 | sym2 = sym; |
f7e44f65 | 638 | gdb_assert (sym2 != NULL); |
93d86cef JK |
639 | |
640 | memset (&arg, 0, sizeof (arg)); | |
641 | arg.sym = sym2; | |
e18b2753 JK |
642 | arg.entry_kind = print_entry_values_no; |
643 | memset (&entryarg, 0, sizeof (entryarg)); | |
644 | entryarg.sym = sym2; | |
645 | entryarg.entry_kind = print_entry_values_no; | |
93d86cef | 646 | |
f5ec2042 NR |
647 | switch (values) |
648 | { | |
649 | case PRINT_SIMPLE_VALUES: | |
650 | type = check_typedef (sym2->type); | |
f5ec2042 NR |
651 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY |
652 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
653 | && TYPE_CODE (type) != TYPE_CODE_UNION) | |
654 | { | |
f5ec2042 | 655 | case PRINT_ALL_VALUES: |
82a0a75f YQ |
656 | if (SYMBOL_IS_ARGUMENT (sym)) |
657 | read_frame_arg (sym2, fi, &arg, &entryarg); | |
658 | else | |
659 | read_frame_local (sym2, fi, &arg); | |
93d86cef | 660 | } |
f5ec2042 | 661 | break; |
fb40c209 | 662 | } |
7a93fb82 | 663 | |
e18b2753 | 664 | if (arg.entry_kind != print_entry_values_only) |
6211c335 | 665 | list_arg_or_local (&arg, what, values, skip_unavailable); |
e18b2753 | 666 | if (entryarg.entry_kind != print_entry_values_no) |
6211c335 | 667 | list_arg_or_local (&entryarg, what, values, skip_unavailable); |
93d86cef | 668 | xfree (arg.error); |
e18b2753 | 669 | xfree (entryarg.error); |
fb40c209 AC |
670 | } |
671 | } | |
2b03b41d | 672 | |
fb40c209 AC |
673 | if (BLOCK_FUNCTION (block)) |
674 | break; | |
675 | else | |
676 | block = BLOCK_SUPERBLOCK (block); | |
677 | } | |
fb40c209 AC |
678 | } |
679 | ||
ce8f13f8 | 680 | void |
9f33b8b7 | 681 | mi_cmd_stack_select_frame (const char *command, char **argv, int argc) |
fb40c209 | 682 | { |
fcf43932 | 683 | if (argc == 0 || argc > 1) |
1b05df00 | 684 | error (_("-stack-select-frame: Usage: FRAME_SPEC")); |
fb40c209 | 685 | |
fcf43932 | 686 | select_frame_command (argv[0], 1 /* not used */ ); |
fb40c209 | 687 | } |
64fd8944 | 688 | |
ce8f13f8 | 689 | void |
9f33b8b7 | 690 | mi_cmd_stack_info_frame (const char *command, char **argv, int argc) |
64fd8944 NR |
691 | { |
692 | if (argc > 0) | |
2b03b41d | 693 | error (_("-stack-info-frame: No arguments allowed")); |
ce8f13f8 | 694 | |
08d72866 | 695 | print_frame_info (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 0, 1); |
64fd8944 | 696 | } |