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; | |
15c9ffd6 | 248 | break; |
6211c335 YQ |
249 | case SKIP_UNAVAILABLE: |
250 | skip_unavailable = 1; | |
645eab03 YQ |
251 | break; |
252 | } | |
253 | } | |
254 | } | |
fb40c209 | 255 | |
645eab03 YQ |
256 | /* After the last option is parsed, there should be only |
257 | 'print-values'. */ | |
258 | if (argc - oind != 1) | |
6211c335 YQ |
259 | error (_("-stack-list-locals: Usage: [--no-frame-filters] " |
260 | "[--skip-unavailable] PRINT_VALUES")); | |
f5ec2042 | 261 | |
1e611234 | 262 | frame = get_selected_frame (NULL); |
645eab03 | 263 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
264 | |
265 | if (! raw_arg && frame_filters) | |
266 | { | |
d4dd3282 | 267 | frame_filter_flags flags = PRINT_LEVEL | PRINT_LOCALS; |
1e611234 | 268 | |
10367c7c PA |
269 | result = mi_apply_ext_lang_frame_filter (frame, flags, print_value, |
270 | current_uiout, 0, 0); | |
1e611234 PM |
271 | } |
272 | ||
273 | /* Run the inbuilt backtrace if there are no filters registered, or | |
274 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 275 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 276 | { |
6211c335 YQ |
277 | list_args_or_locals (locals, print_value, frame, |
278 | skip_unavailable); | |
1e611234 | 279 | } |
fb40c209 AC |
280 | } |
281 | ||
7a93fb82 | 282 | /* Print a list of the arguments for the current frame. With argument |
fb40c209 | 283 | of 0, print only the names, with argument of 1 print also the |
2b03b41d SS |
284 | values. */ |
285 | ||
ce8f13f8 | 286 | void |
9f33b8b7 | 287 | mi_cmd_stack_list_args (const char *command, char **argv, int argc) |
fb40c209 AC |
288 | { |
289 | int frame_low; | |
290 | int frame_high; | |
291 | int i; | |
292 | struct frame_info *fi; | |
8b777f02 | 293 | enum print_values print_values; |
79a45e25 | 294 | struct ui_out *uiout = current_uiout; |
1e611234 | 295 | int raw_arg = 0; |
242f1fd7 | 296 | int oind = 0; |
6211c335 | 297 | int skip_unavailable = 0; |
6dddc817 | 298 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
242f1fd7 YQ |
299 | enum opt |
300 | { | |
301 | NO_FRAME_FILTERS, | |
6211c335 | 302 | SKIP_UNAVAILABLE, |
242f1fd7 YQ |
303 | }; |
304 | static const struct mi_opt opts[] = | |
305 | { | |
306 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 307 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
242f1fd7 YQ |
308 | { 0, 0, 0 } |
309 | }; | |
310 | ||
311 | while (1) | |
312 | { | |
313 | char *oarg; | |
314 | int opt = mi_getopt_allow_unknown ("-stack-list-args", argc, argv, | |
315 | opts, &oind, &oarg); | |
fb40c209 | 316 | |
242f1fd7 YQ |
317 | if (opt < 0) |
318 | break; | |
319 | switch ((enum opt) opt) | |
320 | { | |
321 | case NO_FRAME_FILTERS: | |
322 | raw_arg = oind; | |
323 | break; | |
6211c335 YQ |
324 | case SKIP_UNAVAILABLE: |
325 | skip_unavailable = 1; | |
326 | break; | |
242f1fd7 YQ |
327 | } |
328 | } | |
fb40c209 | 329 | |
242f1fd7 YQ |
330 | if (argc - oind != 1 && argc - oind != 3) |
331 | error (_("-stack-list-arguments: Usage: " \ | |
6211c335 YQ |
332 | "[--no-frame-filters] [--skip-unavailable] " |
333 | "PRINT_VALUES [FRAME_LOW FRAME_HIGH]")); | |
1e611234 | 334 | |
242f1fd7 | 335 | if (argc - oind == 3) |
fb40c209 | 336 | { |
242f1fd7 YQ |
337 | frame_low = atoi (argv[1 + oind]); |
338 | frame_high = atoi (argv[2 + oind]); | |
fb40c209 AC |
339 | } |
340 | else | |
341 | { | |
342 | /* Called with no arguments, it means we want args for the whole | |
2b03b41d | 343 | backtrace. */ |
fb40c209 AC |
344 | frame_low = -1; |
345 | frame_high = -1; | |
346 | } | |
347 | ||
242f1fd7 | 348 | print_values = mi_parse_print_values (argv[oind]); |
8b777f02 | 349 | |
fb40c209 AC |
350 | /* Let's position fi on the frame at which to start the |
351 | display. Could be the innermost frame if the whole stack needs | |
2b03b41d | 352 | displaying, or if frame_low is 0. */ |
fb40c209 AC |
353 | for (i = 0, fi = get_current_frame (); |
354 | fi && i < frame_low; | |
355 | i++, fi = get_prev_frame (fi)); | |
356 | ||
357 | if (fi == NULL) | |
1b05df00 | 358 | error (_("-stack-list-arguments: Not enough frames in stack.")); |
fb40c209 | 359 | |
10f489e5 | 360 | ui_out_emit_list list_emitter (uiout, "stack-args"); |
fb40c209 | 361 | |
1e611234 | 362 | if (! raw_arg && frame_filters) |
fb40c209 | 363 | { |
d4dd3282 | 364 | frame_filter_flags flags = PRINT_LEVEL | PRINT_ARGS; |
1e611234 PM |
365 | int py_frame_low = frame_low; |
366 | ||
367 | /* We cannot pass -1 to frame_low, as that would signify a | |
368 | relative backtrace from the tail of the stack. So, in the case | |
369 | of frame_low == -1, assign and increment it. */ | |
370 | if (py_frame_low == -1) | |
371 | py_frame_low++; | |
372 | ||
10367c7c PA |
373 | result = mi_apply_ext_lang_frame_filter (get_current_frame (), flags, |
374 | print_values, current_uiout, | |
375 | py_frame_low, frame_high); | |
fb40c209 AC |
376 | } |
377 | ||
1e611234 PM |
378 | /* Run the inbuilt backtrace if there are no filters registered, or |
379 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 380 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 PM |
381 | { |
382 | /* Now let's print the frames up to frame_high, or until there are | |
383 | frames in the stack. */ | |
384 | for (; | |
385 | fi && (i <= frame_high || frame_high == -1); | |
386 | i++, fi = get_prev_frame (fi)) | |
387 | { | |
1e611234 | 388 | QUIT; |
2e783024 | 389 | ui_out_emit_tuple tuple_emitter (uiout, "frame"); |
112e8700 | 390 | uiout->field_int ("level", i); |
6211c335 | 391 | list_args_or_locals (arguments, print_values, fi, skip_unavailable); |
1e611234 PM |
392 | } |
393 | } | |
fb40c209 AC |
394 | } |
395 | ||
daf3c977 | 396 | /* Print a list of the local variables (including arguments) for the |
7a93fb82 VP |
397 | current frame. ARGC must be 1 and ARGV[0] specify if only the names, |
398 | or both names and values of the variables must be printed. See | |
399 | parse_print_value for possible values. */ | |
2b03b41d | 400 | |
daf3c977 | 401 | void |
9f33b8b7 | 402 | mi_cmd_stack_list_variables (const char *command, char **argv, int argc) |
daf3c977 VP |
403 | { |
404 | struct frame_info *frame; | |
1e611234 | 405 | int raw_arg = 0; |
6dddc817 | 406 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
f486487f | 407 | enum print_values print_value; |
645eab03 | 408 | int oind = 0; |
6211c335 | 409 | int skip_unavailable = 0; |
daf3c977 | 410 | |
645eab03 YQ |
411 | if (argc > 1) |
412 | { | |
645eab03 YQ |
413 | enum opt |
414 | { | |
6211c335 YQ |
415 | NO_FRAME_FILTERS, |
416 | SKIP_UNAVAILABLE, | |
645eab03 YQ |
417 | }; |
418 | static const struct mi_opt opts[] = | |
419 | { | |
420 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 421 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
645eab03 YQ |
422 | { 0, 0, 0 } |
423 | }; | |
424 | ||
425 | while (1) | |
426 | { | |
427 | char *oarg; | |
428 | /* Don't parse 'print-values' as an option. */ | |
429 | int opt = mi_getopt ("-stack-list-variables", argc - 1, | |
430 | argv, opts, &oind, &oarg); | |
431 | if (opt < 0) | |
432 | break; | |
433 | switch ((enum opt) opt) | |
434 | { | |
435 | case NO_FRAME_FILTERS: | |
436 | raw_arg = oind; | |
437 | break; | |
6211c335 YQ |
438 | case SKIP_UNAVAILABLE: |
439 | skip_unavailable = 1; | |
440 | break; | |
645eab03 YQ |
441 | } |
442 | } | |
443 | } | |
daf3c977 | 444 | |
645eab03 YQ |
445 | /* After the last option is parsed, there should be only |
446 | 'print-values'. */ | |
447 | if (argc - oind != 1) | |
6211c335 YQ |
448 | error (_("-stack-list-variables: Usage: [--no-frame-filters] " \ |
449 | "[--skip-unavailable] PRINT_VALUES")); | |
daf3c977 | 450 | |
1e611234 | 451 | frame = get_selected_frame (NULL); |
645eab03 | 452 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
453 | |
454 | if (! raw_arg && frame_filters) | |
455 | { | |
d4dd3282 | 456 | frame_filter_flags flags = PRINT_LEVEL | PRINT_ARGS | PRINT_LOCALS; |
1e611234 | 457 | |
10367c7c PA |
458 | result = mi_apply_ext_lang_frame_filter (frame, flags, |
459 | print_value, | |
460 | current_uiout, 0, 0); | |
1e611234 PM |
461 | } |
462 | ||
463 | /* Run the inbuilt backtrace if there are no filters registered, or | |
464 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 465 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 466 | { |
6211c335 YQ |
467 | list_args_or_locals (all, print_value, frame, |
468 | skip_unavailable); | |
1e611234 | 469 | } |
daf3c977 VP |
470 | } |
471 | ||
2b03b41d SS |
472 | /* Print single local or argument. ARG must be already read in. For |
473 | WHAT and VALUES see list_args_or_locals. | |
93d86cef | 474 | |
2b03b41d | 475 | Errors are printed as if they would be the parameter value. Use |
6211c335 YQ |
476 | zeroed ARG iff it should not be printed according to VALUES. If |
477 | SKIP_UNAVAILABLE is true, only print ARG if it is available. */ | |
93d86cef JK |
478 | |
479 | static void | |
480 | list_arg_or_local (const struct frame_arg *arg, enum what_to_list what, | |
6211c335 | 481 | enum print_values values, int skip_unavailable) |
93d86cef | 482 | { |
93d86cef | 483 | struct ui_out *uiout = current_uiout; |
f99d8bf4 | 484 | |
93d86cef JK |
485 | gdb_assert (!arg->val || !arg->error); |
486 | gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL | |
487 | && arg->error == NULL) | |
488 | || values == PRINT_SIMPLE_VALUES | |
489 | || (values == PRINT_ALL_VALUES | |
490 | && (arg->val != NULL || arg->error != NULL))); | |
e18b2753 JK |
491 | gdb_assert (arg->entry_kind == print_entry_values_no |
492 | || (arg->entry_kind == print_entry_values_only | |
493 | && (arg->val || arg->error))); | |
93d86cef | 494 | |
6211c335 YQ |
495 | if (skip_unavailable && arg->val != NULL |
496 | && (value_entirely_unavailable (arg->val) | |
497 | /* A scalar object that does not have all bits available is | |
498 | also considered unavailable, because all bits contribute | |
499 | to its representation. */ | |
500 | || (val_print_scalar_type_p (value_type (arg->val)) | |
501 | && !value_bytes_available (arg->val, | |
502 | value_embedded_offset (arg->val), | |
503 | TYPE_LENGTH (value_type (arg->val)))))) | |
504 | return; | |
505 | ||
0092b74d | 506 | gdb::optional<ui_out_emit_tuple> tuple_emitter; |
93d86cef | 507 | if (values != PRINT_NO_VALUES || what == all) |
0092b74d | 508 | tuple_emitter.emplace (uiout, nullptr); |
93d86cef | 509 | |
d7e74731 PA |
510 | string_file stb; |
511 | ||
512 | stb.puts (SYMBOL_PRINT_NAME (arg->sym)); | |
e18b2753 | 513 | if (arg->entry_kind == print_entry_values_only) |
d7e74731 | 514 | stb.puts ("@entry"); |
112e8700 | 515 | uiout->field_stream ("name", stb); |
93d86cef JK |
516 | |
517 | if (what == all && SYMBOL_IS_ARGUMENT (arg->sym)) | |
112e8700 | 518 | uiout->field_int ("arg", 1); |
93d86cef JK |
519 | |
520 | if (values == PRINT_SIMPLE_VALUES) | |
521 | { | |
522 | check_typedef (arg->sym->type); | |
d7e74731 | 523 | type_print (arg->sym->type, "", &stb, -1); |
112e8700 | 524 | uiout->field_stream ("type", stb); |
93d86cef JK |
525 | } |
526 | ||
527 | if (arg->val || arg->error) | |
528 | { | |
492d29ea | 529 | const char *error_message = NULL; |
93d86cef JK |
530 | |
531 | if (arg->error) | |
492d29ea | 532 | error_message = arg->error; |
93d86cef JK |
533 | else |
534 | { | |
492d29ea | 535 | TRY |
93d86cef JK |
536 | { |
537 | struct value_print_options opts; | |
538 | ||
2a998fc0 | 539 | get_no_prettyformat_print_options (&opts); |
93d86cef | 540 | opts.deref_ref = 1; |
d7e74731 | 541 | common_val_print (arg->val, &stb, 0, &opts, |
93d86cef JK |
542 | language_def (SYMBOL_LANGUAGE (arg->sym))); |
543 | } | |
492d29ea PA |
544 | CATCH (except, RETURN_MASK_ERROR) |
545 | { | |
546 | error_message = except.message; | |
547 | } | |
548 | END_CATCH | |
93d86cef | 549 | } |
492d29ea | 550 | if (error_message != NULL) |
d7e74731 | 551 | stb.printf (_("<error reading variable: %s>"), error_message); |
112e8700 | 552 | uiout->field_stream ("value", stb); |
93d86cef | 553 | } |
93d86cef | 554 | } |
daf3c977 | 555 | |
5c4aa40b YQ |
556 | /* Print a list of the objects for the frame FI in a certain form, |
557 | which is determined by VALUES. The objects can be locals, | |
6211c335 YQ |
558 | arguments or both, which is determined by WHAT. If SKIP_UNAVAILABLE |
559 | is true, only print the arguments or local variables whose values | |
560 | are available. */ | |
2b03b41d | 561 | |
fb40c209 | 562 | static void |
bdaf8d4a | 563 | list_args_or_locals (enum what_to_list what, enum print_values values, |
6211c335 | 564 | struct frame_info *fi, int skip_unavailable) |
fb40c209 | 565 | { |
3977b71f | 566 | const struct block *block; |
fb40c209 | 567 | struct symbol *sym; |
8157b174 | 568 | struct block_iterator iter; |
f5ec2042 | 569 | struct type *type; |
a121b7c1 | 570 | const char *name_of_result; |
79a45e25 | 571 | struct ui_out *uiout = current_uiout; |
fb40c209 | 572 | |
ae767bfb | 573 | block = get_frame_block (fi, 0); |
fb40c209 | 574 | |
daf3c977 VP |
575 | switch (what) |
576 | { | |
577 | case locals: | |
d6fd4674 PA |
578 | name_of_result = "locals"; |
579 | break; | |
daf3c977 | 580 | case arguments: |
d6fd4674 PA |
581 | name_of_result = "args"; |
582 | break; | |
daf3c977 | 583 | case all: |
d6fd4674 PA |
584 | name_of_result = "variables"; |
585 | break; | |
654e7c1f | 586 | default: |
d6fd4674 PA |
587 | internal_error (__FILE__, __LINE__, |
588 | "unexpected what_to_list: %d", (int) what); | |
daf3c977 VP |
589 | } |
590 | ||
10f489e5 | 591 | ui_out_emit_list list_emitter (uiout, name_of_result); |
fb40c209 AC |
592 | |
593 | while (block != 0) | |
594 | { | |
de4f826b | 595 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
fb40c209 | 596 | { |
39bf4652 JB |
597 | int print_me = 0; |
598 | ||
fb40c209 AC |
599 | switch (SYMBOL_CLASS (sym)) |
600 | { | |
601 | default: | |
602 | case LOC_UNDEF: /* catches errors */ | |
603 | case LOC_CONST: /* constant */ | |
604 | case LOC_TYPEDEF: /* local typedef */ | |
605 | case LOC_LABEL: /* local label */ | |
606 | case LOC_BLOCK: /* local function */ | |
607 | case LOC_CONST_BYTES: /* loc. byte seq. */ | |
608 | case LOC_UNRESOLVED: /* unresolved static */ | |
609 | case LOC_OPTIMIZED_OUT: /* optimized out */ | |
610 | print_me = 0; | |
611 | break; | |
612 | ||
613 | case LOC_ARG: /* argument */ | |
614 | case LOC_REF_ARG: /* reference arg */ | |
fb40c209 | 615 | case LOC_REGPARM_ADDR: /* indirect register arg */ |
fb40c209 | 616 | case LOC_LOCAL: /* stack local */ |
fb40c209 AC |
617 | case LOC_STATIC: /* static */ |
618 | case LOC_REGISTER: /* register */ | |
4cf623b6 | 619 | case LOC_COMPUTED: /* computed location */ |
daf3c977 | 620 | if (what == all) |
fb40c209 | 621 | print_me = 1; |
daf3c977 VP |
622 | else if (what == locals) |
623 | print_me = !SYMBOL_IS_ARGUMENT (sym); | |
624 | else | |
625 | print_me = SYMBOL_IS_ARGUMENT (sym); | |
fb40c209 AC |
626 | break; |
627 | } | |
628 | if (print_me) | |
629 | { | |
6bb0384f | 630 | struct symbol *sym2; |
e18b2753 | 631 | struct frame_arg arg, entryarg; |
fb40c209 | 632 | |
daf3c977 | 633 | if (SYMBOL_IS_ARGUMENT (sym)) |
f7e44f65 | 634 | sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym), |
f5ec2042 | 635 | block, VAR_DOMAIN, |
d12307c1 | 636 | NULL).symbol; |
f5ec2042 | 637 | else |
2a2d4dc3 | 638 | sym2 = sym; |
f7e44f65 | 639 | gdb_assert (sym2 != NULL); |
93d86cef JK |
640 | |
641 | memset (&arg, 0, sizeof (arg)); | |
642 | arg.sym = sym2; | |
e18b2753 JK |
643 | arg.entry_kind = print_entry_values_no; |
644 | memset (&entryarg, 0, sizeof (entryarg)); | |
645 | entryarg.sym = sym2; | |
646 | entryarg.entry_kind = print_entry_values_no; | |
93d86cef | 647 | |
f5ec2042 NR |
648 | switch (values) |
649 | { | |
650 | case PRINT_SIMPLE_VALUES: | |
651 | type = check_typedef (sym2->type); | |
f5ec2042 NR |
652 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY |
653 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
654 | && TYPE_CODE (type) != TYPE_CODE_UNION) | |
655 | { | |
f5ec2042 | 656 | case PRINT_ALL_VALUES: |
82a0a75f YQ |
657 | if (SYMBOL_IS_ARGUMENT (sym)) |
658 | read_frame_arg (sym2, fi, &arg, &entryarg); | |
659 | else | |
660 | read_frame_local (sym2, fi, &arg); | |
93d86cef | 661 | } |
f5ec2042 | 662 | break; |
fb40c209 | 663 | } |
7a93fb82 | 664 | |
e18b2753 | 665 | if (arg.entry_kind != print_entry_values_only) |
6211c335 | 666 | list_arg_or_local (&arg, what, values, skip_unavailable); |
e18b2753 | 667 | if (entryarg.entry_kind != print_entry_values_no) |
6211c335 | 668 | list_arg_or_local (&entryarg, what, values, skip_unavailable); |
93d86cef | 669 | xfree (arg.error); |
e18b2753 | 670 | xfree (entryarg.error); |
fb40c209 AC |
671 | } |
672 | } | |
2b03b41d | 673 | |
fb40c209 AC |
674 | if (BLOCK_FUNCTION (block)) |
675 | break; | |
676 | else | |
677 | block = BLOCK_SUPERBLOCK (block); | |
678 | } | |
fb40c209 AC |
679 | } |
680 | ||
ce8f13f8 | 681 | void |
9f33b8b7 | 682 | mi_cmd_stack_select_frame (const char *command, char **argv, int argc) |
fb40c209 | 683 | { |
fcf43932 | 684 | if (argc == 0 || argc > 1) |
1b05df00 | 685 | error (_("-stack-select-frame: Usage: FRAME_SPEC")); |
fb40c209 | 686 | |
fcf43932 | 687 | select_frame_command (argv[0], 1 /* not used */ ); |
fb40c209 | 688 | } |
64fd8944 | 689 | |
ce8f13f8 | 690 | void |
9f33b8b7 | 691 | mi_cmd_stack_info_frame (const char *command, char **argv, int argc) |
64fd8944 NR |
692 | { |
693 | if (argc > 0) | |
2b03b41d | 694 | error (_("-stack-info-frame: No arguments allowed")); |
ce8f13f8 | 695 | |
08d72866 | 696 | print_frame_info (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 0, 1); |
64fd8944 | 697 | } |