Commit | Line | Data |
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fb40c209 | 1 | /* MI Command Set - stack commands. |
61baf725 | 2 | Copyright (C) 2000-2017 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 | |
60 | mi_apply_ext_lang_frame_filter (struct frame_info *frame, int flags, | |
61 | enum print_values print_values, | |
62 | struct ui_out *out, | |
63 | int frame_low, int frame_high) | |
64 | { | |
65 | /* ext_lang_frame_args's MI options are compatible with MI print | |
66 | values. */ | |
67 | return apply_ext_lang_frame_filter (frame, flags, | |
68 | (enum ext_lang_frame_args) print_values, | |
69 | out, | |
70 | frame_low, frame_high); | |
71 | } | |
72 | ||
2b03b41d | 73 | /* Print a list of the stack frames. Args can be none, in which case |
fb40c209 AC |
74 | we want to print the whole backtrace, or a pair of numbers |
75 | specifying the frame numbers at which to start and stop the | |
2b03b41d SS |
76 | display. If the two numbers are equal, a single frame will be |
77 | displayed. */ | |
78 | ||
ce8f13f8 | 79 | void |
9f33b8b7 | 80 | mi_cmd_stack_list_frames (const char *command, char **argv, int argc) |
fb40c209 AC |
81 | { |
82 | int frame_low; | |
83 | int frame_high; | |
84 | int i; | |
85 | struct frame_info *fi; | |
6dddc817 | 86 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
1e611234 PM |
87 | int raw_arg = 0; |
88 | int oind = 0; | |
89 | enum opt | |
90 | { | |
91 | NO_FRAME_FILTERS | |
92 | }; | |
93 | static const struct mi_opt opts[] = | |
94 | { | |
95 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
96 | { 0, 0, 0 } | |
97 | }; | |
98 | ||
99 | /* Parse arguments. In this instance we are just looking for | |
100 | --no-frame-filters. */ | |
101 | while (1) | |
102 | { | |
103 | char *oarg; | |
104 | int opt = mi_getopt ("-stack-list-frames", argc, argv, | |
105 | opts, &oind, &oarg); | |
106 | if (opt < 0) | |
107 | break; | |
108 | switch ((enum opt) opt) | |
109 | { | |
110 | case NO_FRAME_FILTERS: | |
111 | raw_arg = oind; | |
112 | break; | |
113 | } | |
114 | } | |
fb40c209 | 115 | |
1e611234 PM |
116 | /* After the last option is parsed, there should either be low - |
117 | high range, or no further arguments. */ | |
118 | if ((argc - oind != 0) && (argc - oind != 2)) | |
119 | error (_("-stack-list-frames: Usage: [--no-frame-filters] [FRAME_LOW FRAME_HIGH]")); | |
fb40c209 | 120 | |
1e611234 PM |
121 | /* If there is a range, set it. */ |
122 | if (argc - oind == 2) | |
fb40c209 | 123 | { |
1e611234 PM |
124 | frame_low = atoi (argv[0 + oind]); |
125 | frame_high = atoi (argv[1 + oind]); | |
fb40c209 AC |
126 | } |
127 | else | |
128 | { | |
129 | /* Called with no arguments, it means we want the whole | |
2b03b41d | 130 | backtrace. */ |
fb40c209 AC |
131 | frame_low = -1; |
132 | frame_high = -1; | |
133 | } | |
134 | ||
135 | /* Let's position fi on the frame at which to start the | |
136 | display. Could be the innermost frame if the whole stack needs | |
2b03b41d | 137 | displaying, or if frame_low is 0. */ |
fb40c209 AC |
138 | for (i = 0, fi = get_current_frame (); |
139 | fi && i < frame_low; | |
140 | i++, fi = get_prev_frame (fi)); | |
141 | ||
142 | if (fi == NULL) | |
1b05df00 | 143 | error (_("-stack-list-frames: Not enough frames in stack.")); |
fb40c209 | 144 | |
10f489e5 | 145 | ui_out_emit_list list_emitter (current_uiout, "stack"); |
fb40c209 | 146 | |
1e611234 | 147 | if (! raw_arg && frame_filters) |
fb40c209 | 148 | { |
1e611234 PM |
149 | int flags = PRINT_LEVEL | PRINT_FRAME_INFO; |
150 | int py_frame_low = frame_low; | |
151 | ||
152 | /* We cannot pass -1 to frame_low, as that would signify a | |
153 | relative backtrace from the tail of the stack. So, in the case | |
154 | of frame_low == -1, assign and increment it. */ | |
155 | if (py_frame_low == -1) | |
156 | py_frame_low++; | |
157 | ||
6dddc817 DE |
158 | result = apply_ext_lang_frame_filter (get_current_frame (), flags, |
159 | NO_VALUES, current_uiout, | |
160 | py_frame_low, frame_high); | |
1e611234 PM |
161 | } |
162 | ||
163 | /* Run the inbuilt backtrace if there are no filters registered, or | |
164 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 165 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 PM |
166 | { |
167 | /* Now let's print the frames up to frame_high, or until there are | |
168 | frames in the stack. */ | |
169 | for (; | |
170 | fi && (i <= frame_high || frame_high == -1); | |
171 | i++, fi = get_prev_frame (fi)) | |
172 | { | |
173 | QUIT; | |
174 | /* Print the location and the address always, even for level 0. | |
175 | If args is 0, don't print the arguments. */ | |
08d72866 | 176 | print_frame_info (fi, 1, LOC_AND_ADDRESS, 0 /* args */, 0); |
1e611234 | 177 | } |
fb40c209 | 178 | } |
fb40c209 AC |
179 | } |
180 | ||
ce8f13f8 | 181 | void |
9f33b8b7 | 182 | mi_cmd_stack_info_depth (const char *command, char **argv, int argc) |
fb40c209 AC |
183 | { |
184 | int frame_high; | |
185 | int i; | |
186 | struct frame_info *fi; | |
187 | ||
fb40c209 | 188 | if (argc > 1) |
1b05df00 | 189 | error (_("-stack-info-depth: Usage: [MAX_DEPTH]")); |
fb40c209 AC |
190 | |
191 | if (argc == 1) | |
192 | frame_high = atoi (argv[0]); | |
193 | else | |
194 | /* Called with no arguments, it means we want the real depth of | |
2b03b41d | 195 | the stack. */ |
fb40c209 AC |
196 | frame_high = -1; |
197 | ||
198 | for (i = 0, fi = get_current_frame (); | |
199 | fi && (i < frame_high || frame_high == -1); | |
200 | i++, fi = get_prev_frame (fi)) | |
201 | QUIT; | |
202 | ||
112e8700 | 203 | current_uiout->field_int ("depth", i); |
fb40c209 AC |
204 | } |
205 | ||
7a93fb82 | 206 | /* Print a list of the locals for the current frame. With argument of |
fb40c209 | 207 | 0, print only the names, with argument of 1 print also the |
2b03b41d SS |
208 | values. */ |
209 | ||
ce8f13f8 | 210 | void |
9f33b8b7 | 211 | mi_cmd_stack_list_locals (const char *command, char **argv, int argc) |
fb40c209 | 212 | { |
f5ec2042 | 213 | struct frame_info *frame; |
1e611234 | 214 | int raw_arg = 0; |
6dddc817 | 215 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
f486487f | 216 | enum print_values print_value; |
645eab03 | 217 | int oind = 0; |
6211c335 | 218 | int skip_unavailable = 0; |
f5ec2042 | 219 | |
645eab03 YQ |
220 | if (argc > 1) |
221 | { | |
645eab03 YQ |
222 | enum opt |
223 | { | |
6211c335 YQ |
224 | NO_FRAME_FILTERS, |
225 | SKIP_UNAVAILABLE, | |
645eab03 YQ |
226 | }; |
227 | static const struct mi_opt opts[] = | |
228 | { | |
229 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 230 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
645eab03 YQ |
231 | { 0, 0, 0 } |
232 | }; | |
233 | ||
234 | while (1) | |
235 | { | |
236 | char *oarg; | |
237 | /* Don't parse 'print-values' as an option. */ | |
238 | int opt = mi_getopt ("-stack-list-locals", argc - 1, argv, | |
239 | opts, &oind, &oarg); | |
240 | ||
241 | if (opt < 0) | |
242 | break; | |
243 | switch ((enum opt) opt) | |
244 | { | |
245 | case NO_FRAME_FILTERS: | |
246 | raw_arg = oind; | |
6211c335 YQ |
247 | case SKIP_UNAVAILABLE: |
248 | skip_unavailable = 1; | |
645eab03 YQ |
249 | break; |
250 | } | |
251 | } | |
252 | } | |
fb40c209 | 253 | |
645eab03 YQ |
254 | /* After the last option is parsed, there should be only |
255 | 'print-values'. */ | |
256 | if (argc - oind != 1) | |
6211c335 YQ |
257 | error (_("-stack-list-locals: Usage: [--no-frame-filters] " |
258 | "[--skip-unavailable] PRINT_VALUES")); | |
f5ec2042 | 259 | |
1e611234 | 260 | frame = get_selected_frame (NULL); |
645eab03 | 261 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
262 | |
263 | if (! raw_arg && frame_filters) | |
264 | { | |
265 | int flags = PRINT_LEVEL | PRINT_LOCALS; | |
266 | ||
10367c7c PA |
267 | result = mi_apply_ext_lang_frame_filter (frame, flags, print_value, |
268 | current_uiout, 0, 0); | |
1e611234 PM |
269 | } |
270 | ||
271 | /* Run the inbuilt backtrace if there are no filters registered, or | |
272 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 273 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 274 | { |
6211c335 YQ |
275 | list_args_or_locals (locals, print_value, frame, |
276 | skip_unavailable); | |
1e611234 | 277 | } |
fb40c209 AC |
278 | } |
279 | ||
7a93fb82 | 280 | /* Print a list of the arguments for the current frame. With argument |
fb40c209 | 281 | of 0, print only the names, with argument of 1 print also the |
2b03b41d SS |
282 | values. */ |
283 | ||
ce8f13f8 | 284 | void |
9f33b8b7 | 285 | mi_cmd_stack_list_args (const char *command, char **argv, int argc) |
fb40c209 AC |
286 | { |
287 | int frame_low; | |
288 | int frame_high; | |
289 | int i; | |
290 | struct frame_info *fi; | |
8b777f02 | 291 | enum print_values print_values; |
79a45e25 | 292 | struct ui_out *uiout = current_uiout; |
1e611234 | 293 | int raw_arg = 0; |
242f1fd7 | 294 | int oind = 0; |
6211c335 | 295 | int skip_unavailable = 0; |
6dddc817 | 296 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
242f1fd7 YQ |
297 | enum opt |
298 | { | |
299 | NO_FRAME_FILTERS, | |
6211c335 | 300 | SKIP_UNAVAILABLE, |
242f1fd7 YQ |
301 | }; |
302 | static const struct mi_opt opts[] = | |
303 | { | |
304 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 305 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
242f1fd7 YQ |
306 | { 0, 0, 0 } |
307 | }; | |
308 | ||
309 | while (1) | |
310 | { | |
311 | char *oarg; | |
312 | int opt = mi_getopt_allow_unknown ("-stack-list-args", argc, argv, | |
313 | opts, &oind, &oarg); | |
fb40c209 | 314 | |
242f1fd7 YQ |
315 | if (opt < 0) |
316 | break; | |
317 | switch ((enum opt) opt) | |
318 | { | |
319 | case NO_FRAME_FILTERS: | |
320 | raw_arg = oind; | |
321 | break; | |
6211c335 YQ |
322 | case SKIP_UNAVAILABLE: |
323 | skip_unavailable = 1; | |
324 | break; | |
242f1fd7 YQ |
325 | } |
326 | } | |
fb40c209 | 327 | |
242f1fd7 YQ |
328 | if (argc - oind != 1 && argc - oind != 3) |
329 | error (_("-stack-list-arguments: Usage: " \ | |
6211c335 YQ |
330 | "[--no-frame-filters] [--skip-unavailable] " |
331 | "PRINT_VALUES [FRAME_LOW FRAME_HIGH]")); | |
1e611234 | 332 | |
242f1fd7 | 333 | if (argc - oind == 3) |
fb40c209 | 334 | { |
242f1fd7 YQ |
335 | frame_low = atoi (argv[1 + oind]); |
336 | frame_high = atoi (argv[2 + oind]); | |
fb40c209 AC |
337 | } |
338 | else | |
339 | { | |
340 | /* Called with no arguments, it means we want args for the whole | |
2b03b41d | 341 | backtrace. */ |
fb40c209 AC |
342 | frame_low = -1; |
343 | frame_high = -1; | |
344 | } | |
345 | ||
242f1fd7 | 346 | print_values = mi_parse_print_values (argv[oind]); |
8b777f02 | 347 | |
fb40c209 AC |
348 | /* Let's position fi on the frame at which to start the |
349 | display. Could be the innermost frame if the whole stack needs | |
2b03b41d | 350 | displaying, or if frame_low is 0. */ |
fb40c209 AC |
351 | for (i = 0, fi = get_current_frame (); |
352 | fi && i < frame_low; | |
353 | i++, fi = get_prev_frame (fi)); | |
354 | ||
355 | if (fi == NULL) | |
1b05df00 | 356 | error (_("-stack-list-arguments: Not enough frames in stack.")); |
fb40c209 | 357 | |
10f489e5 | 358 | ui_out_emit_list list_emitter (uiout, "stack-args"); |
fb40c209 | 359 | |
1e611234 | 360 | if (! raw_arg && frame_filters) |
fb40c209 | 361 | { |
1e611234 PM |
362 | int flags = PRINT_LEVEL | PRINT_ARGS; |
363 | int py_frame_low = frame_low; | |
364 | ||
365 | /* We cannot pass -1 to frame_low, as that would signify a | |
366 | relative backtrace from the tail of the stack. So, in the case | |
367 | of frame_low == -1, assign and increment it. */ | |
368 | if (py_frame_low == -1) | |
369 | py_frame_low++; | |
370 | ||
10367c7c PA |
371 | result = mi_apply_ext_lang_frame_filter (get_current_frame (), flags, |
372 | print_values, current_uiout, | |
373 | py_frame_low, frame_high); | |
fb40c209 AC |
374 | } |
375 | ||
1e611234 PM |
376 | /* Run the inbuilt backtrace if there are no filters registered, or |
377 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 378 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 PM |
379 | { |
380 | /* Now let's print the frames up to frame_high, or until there are | |
381 | frames in the stack. */ | |
382 | for (; | |
383 | fi && (i <= frame_high || frame_high == -1); | |
384 | i++, fi = get_prev_frame (fi)) | |
385 | { | |
1e611234 | 386 | QUIT; |
2e783024 | 387 | ui_out_emit_tuple tuple_emitter (uiout, "frame"); |
112e8700 | 388 | uiout->field_int ("level", i); |
6211c335 | 389 | list_args_or_locals (arguments, print_values, fi, skip_unavailable); |
1e611234 PM |
390 | } |
391 | } | |
fb40c209 AC |
392 | } |
393 | ||
daf3c977 | 394 | /* Print a list of the local variables (including arguments) for the |
7a93fb82 VP |
395 | current frame. ARGC must be 1 and ARGV[0] specify if only the names, |
396 | or both names and values of the variables must be printed. See | |
397 | parse_print_value for possible values. */ | |
2b03b41d | 398 | |
daf3c977 | 399 | void |
9f33b8b7 | 400 | mi_cmd_stack_list_variables (const char *command, char **argv, int argc) |
daf3c977 VP |
401 | { |
402 | struct frame_info *frame; | |
1e611234 | 403 | int raw_arg = 0; |
6dddc817 | 404 | enum ext_lang_bt_status result = EXT_LANG_BT_ERROR; |
f486487f | 405 | enum print_values print_value; |
645eab03 | 406 | int oind = 0; |
6211c335 | 407 | int skip_unavailable = 0; |
daf3c977 | 408 | |
645eab03 YQ |
409 | if (argc > 1) |
410 | { | |
645eab03 YQ |
411 | enum opt |
412 | { | |
6211c335 YQ |
413 | NO_FRAME_FILTERS, |
414 | SKIP_UNAVAILABLE, | |
645eab03 YQ |
415 | }; |
416 | static const struct mi_opt opts[] = | |
417 | { | |
418 | {"-no-frame-filters", NO_FRAME_FILTERS, 0}, | |
6211c335 | 419 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
645eab03 YQ |
420 | { 0, 0, 0 } |
421 | }; | |
422 | ||
423 | while (1) | |
424 | { | |
425 | char *oarg; | |
426 | /* Don't parse 'print-values' as an option. */ | |
427 | int opt = mi_getopt ("-stack-list-variables", argc - 1, | |
428 | argv, opts, &oind, &oarg); | |
429 | if (opt < 0) | |
430 | break; | |
431 | switch ((enum opt) opt) | |
432 | { | |
433 | case NO_FRAME_FILTERS: | |
434 | raw_arg = oind; | |
435 | break; | |
6211c335 YQ |
436 | case SKIP_UNAVAILABLE: |
437 | skip_unavailable = 1; | |
438 | break; | |
645eab03 YQ |
439 | } |
440 | } | |
441 | } | |
daf3c977 | 442 | |
645eab03 YQ |
443 | /* After the last option is parsed, there should be only |
444 | 'print-values'. */ | |
445 | if (argc - oind != 1) | |
6211c335 YQ |
446 | error (_("-stack-list-variables: Usage: [--no-frame-filters] " \ |
447 | "[--skip-unavailable] PRINT_VALUES")); | |
daf3c977 | 448 | |
1e611234 | 449 | frame = get_selected_frame (NULL); |
645eab03 | 450 | print_value = mi_parse_print_values (argv[oind]); |
1e611234 PM |
451 | |
452 | if (! raw_arg && frame_filters) | |
453 | { | |
454 | int flags = PRINT_LEVEL | PRINT_ARGS | PRINT_LOCALS; | |
455 | ||
10367c7c PA |
456 | result = mi_apply_ext_lang_frame_filter (frame, flags, |
457 | print_value, | |
458 | current_uiout, 0, 0); | |
1e611234 PM |
459 | } |
460 | ||
461 | /* Run the inbuilt backtrace if there are no filters registered, or | |
462 | if "--no-frame-filters" has been specified from the command. */ | |
6dddc817 | 463 | if (! frame_filters || raw_arg || result == EXT_LANG_BT_NO_FILTERS) |
1e611234 | 464 | { |
6211c335 YQ |
465 | list_args_or_locals (all, print_value, frame, |
466 | skip_unavailable); | |
1e611234 | 467 | } |
daf3c977 VP |
468 | } |
469 | ||
2b03b41d SS |
470 | /* Print single local or argument. ARG must be already read in. For |
471 | WHAT and VALUES see list_args_or_locals. | |
93d86cef | 472 | |
2b03b41d | 473 | Errors are printed as if they would be the parameter value. Use |
6211c335 YQ |
474 | zeroed ARG iff it should not be printed according to VALUES. If |
475 | SKIP_UNAVAILABLE is true, only print ARG if it is available. */ | |
93d86cef JK |
476 | |
477 | static void | |
478 | list_arg_or_local (const struct frame_arg *arg, enum what_to_list what, | |
6211c335 | 479 | enum print_values values, int skip_unavailable) |
93d86cef | 480 | { |
93d86cef | 481 | struct ui_out *uiout = current_uiout; |
f99d8bf4 | 482 | |
93d86cef JK |
483 | gdb_assert (!arg->val || !arg->error); |
484 | gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL | |
485 | && arg->error == NULL) | |
486 | || values == PRINT_SIMPLE_VALUES | |
487 | || (values == PRINT_ALL_VALUES | |
488 | && (arg->val != NULL || arg->error != NULL))); | |
e18b2753 JK |
489 | gdb_assert (arg->entry_kind == print_entry_values_no |
490 | || (arg->entry_kind == print_entry_values_only | |
491 | && (arg->val || arg->error))); | |
93d86cef | 492 | |
6211c335 YQ |
493 | if (skip_unavailable && arg->val != NULL |
494 | && (value_entirely_unavailable (arg->val) | |
495 | /* A scalar object that does not have all bits available is | |
496 | also considered unavailable, because all bits contribute | |
497 | to its representation. */ | |
498 | || (val_print_scalar_type_p (value_type (arg->val)) | |
499 | && !value_bytes_available (arg->val, | |
500 | value_embedded_offset (arg->val), | |
501 | TYPE_LENGTH (value_type (arg->val)))))) | |
502 | return; | |
503 | ||
0092b74d | 504 | gdb::optional<ui_out_emit_tuple> tuple_emitter; |
93d86cef | 505 | if (values != PRINT_NO_VALUES || what == all) |
0092b74d | 506 | tuple_emitter.emplace (uiout, nullptr); |
93d86cef | 507 | |
d7e74731 PA |
508 | string_file stb; |
509 | ||
510 | stb.puts (SYMBOL_PRINT_NAME (arg->sym)); | |
e18b2753 | 511 | if (arg->entry_kind == print_entry_values_only) |
d7e74731 | 512 | stb.puts ("@entry"); |
112e8700 | 513 | uiout->field_stream ("name", stb); |
93d86cef JK |
514 | |
515 | if (what == all && SYMBOL_IS_ARGUMENT (arg->sym)) | |
112e8700 | 516 | uiout->field_int ("arg", 1); |
93d86cef JK |
517 | |
518 | if (values == PRINT_SIMPLE_VALUES) | |
519 | { | |
520 | check_typedef (arg->sym->type); | |
d7e74731 | 521 | type_print (arg->sym->type, "", &stb, -1); |
112e8700 | 522 | uiout->field_stream ("type", stb); |
93d86cef JK |
523 | } |
524 | ||
525 | if (arg->val || arg->error) | |
526 | { | |
492d29ea | 527 | const char *error_message = NULL; |
93d86cef JK |
528 | |
529 | if (arg->error) | |
492d29ea | 530 | error_message = arg->error; |
93d86cef JK |
531 | else |
532 | { | |
492d29ea | 533 | TRY |
93d86cef JK |
534 | { |
535 | struct value_print_options opts; | |
536 | ||
2a998fc0 | 537 | get_no_prettyformat_print_options (&opts); |
93d86cef | 538 | opts.deref_ref = 1; |
d7e74731 | 539 | common_val_print (arg->val, &stb, 0, &opts, |
93d86cef JK |
540 | language_def (SYMBOL_LANGUAGE (arg->sym))); |
541 | } | |
492d29ea PA |
542 | CATCH (except, RETURN_MASK_ERROR) |
543 | { | |
544 | error_message = except.message; | |
545 | } | |
546 | END_CATCH | |
93d86cef | 547 | } |
492d29ea | 548 | if (error_message != NULL) |
d7e74731 | 549 | stb.printf (_("<error reading variable: %s>"), error_message); |
112e8700 | 550 | uiout->field_stream ("value", stb); |
93d86cef | 551 | } |
93d86cef | 552 | } |
daf3c977 | 553 | |
5c4aa40b YQ |
554 | /* Print a list of the objects for the frame FI in a certain form, |
555 | which is determined by VALUES. The objects can be locals, | |
6211c335 YQ |
556 | arguments or both, which is determined by WHAT. If SKIP_UNAVAILABLE |
557 | is true, only print the arguments or local variables whose values | |
558 | are available. */ | |
2b03b41d | 559 | |
fb40c209 | 560 | static void |
bdaf8d4a | 561 | list_args_or_locals (enum what_to_list what, enum print_values values, |
6211c335 | 562 | struct frame_info *fi, int skip_unavailable) |
fb40c209 | 563 | { |
3977b71f | 564 | const struct block *block; |
fb40c209 | 565 | struct symbol *sym; |
8157b174 | 566 | struct block_iterator iter; |
f5ec2042 | 567 | struct type *type; |
a121b7c1 | 568 | const char *name_of_result; |
79a45e25 | 569 | struct ui_out *uiout = current_uiout; |
fb40c209 | 570 | |
ae767bfb | 571 | block = get_frame_block (fi, 0); |
fb40c209 | 572 | |
daf3c977 VP |
573 | switch (what) |
574 | { | |
575 | case locals: | |
d6fd4674 PA |
576 | name_of_result = "locals"; |
577 | break; | |
daf3c977 | 578 | case arguments: |
d6fd4674 PA |
579 | name_of_result = "args"; |
580 | break; | |
daf3c977 | 581 | case all: |
d6fd4674 PA |
582 | name_of_result = "variables"; |
583 | break; | |
654e7c1f | 584 | default: |
d6fd4674 PA |
585 | internal_error (__FILE__, __LINE__, |
586 | "unexpected what_to_list: %d", (int) what); | |
daf3c977 VP |
587 | } |
588 | ||
10f489e5 | 589 | ui_out_emit_list list_emitter (uiout, name_of_result); |
fb40c209 AC |
590 | |
591 | while (block != 0) | |
592 | { | |
de4f826b | 593 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
fb40c209 | 594 | { |
39bf4652 JB |
595 | int print_me = 0; |
596 | ||
fb40c209 AC |
597 | switch (SYMBOL_CLASS (sym)) |
598 | { | |
599 | default: | |
600 | case LOC_UNDEF: /* catches errors */ | |
601 | case LOC_CONST: /* constant */ | |
602 | case LOC_TYPEDEF: /* local typedef */ | |
603 | case LOC_LABEL: /* local label */ | |
604 | case LOC_BLOCK: /* local function */ | |
605 | case LOC_CONST_BYTES: /* loc. byte seq. */ | |
606 | case LOC_UNRESOLVED: /* unresolved static */ | |
607 | case LOC_OPTIMIZED_OUT: /* optimized out */ | |
608 | print_me = 0; | |
609 | break; | |
610 | ||
611 | case LOC_ARG: /* argument */ | |
612 | case LOC_REF_ARG: /* reference arg */ | |
fb40c209 | 613 | case LOC_REGPARM_ADDR: /* indirect register arg */ |
fb40c209 | 614 | case LOC_LOCAL: /* stack local */ |
fb40c209 AC |
615 | case LOC_STATIC: /* static */ |
616 | case LOC_REGISTER: /* register */ | |
4cf623b6 | 617 | case LOC_COMPUTED: /* computed location */ |
daf3c977 | 618 | if (what == all) |
fb40c209 | 619 | print_me = 1; |
daf3c977 VP |
620 | else if (what == locals) |
621 | print_me = !SYMBOL_IS_ARGUMENT (sym); | |
622 | else | |
623 | print_me = SYMBOL_IS_ARGUMENT (sym); | |
fb40c209 AC |
624 | break; |
625 | } | |
626 | if (print_me) | |
627 | { | |
6bb0384f | 628 | struct symbol *sym2; |
e18b2753 | 629 | struct frame_arg arg, entryarg; |
fb40c209 | 630 | |
daf3c977 | 631 | if (SYMBOL_IS_ARGUMENT (sym)) |
f7e44f65 | 632 | sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym), |
f5ec2042 | 633 | block, VAR_DOMAIN, |
d12307c1 | 634 | NULL).symbol; |
f5ec2042 | 635 | else |
2a2d4dc3 | 636 | sym2 = sym; |
f7e44f65 | 637 | gdb_assert (sym2 != NULL); |
93d86cef JK |
638 | |
639 | memset (&arg, 0, sizeof (arg)); | |
640 | arg.sym = sym2; | |
e18b2753 JK |
641 | arg.entry_kind = print_entry_values_no; |
642 | memset (&entryarg, 0, sizeof (entryarg)); | |
643 | entryarg.sym = sym2; | |
644 | entryarg.entry_kind = print_entry_values_no; | |
93d86cef | 645 | |
f5ec2042 NR |
646 | switch (values) |
647 | { | |
648 | case PRINT_SIMPLE_VALUES: | |
649 | type = check_typedef (sym2->type); | |
f5ec2042 NR |
650 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY |
651 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
652 | && TYPE_CODE (type) != TYPE_CODE_UNION) | |
653 | { | |
f5ec2042 | 654 | case PRINT_ALL_VALUES: |
82a0a75f YQ |
655 | if (SYMBOL_IS_ARGUMENT (sym)) |
656 | read_frame_arg (sym2, fi, &arg, &entryarg); | |
657 | else | |
658 | read_frame_local (sym2, fi, &arg); | |
93d86cef | 659 | } |
f5ec2042 | 660 | break; |
fb40c209 | 661 | } |
7a93fb82 | 662 | |
e18b2753 | 663 | if (arg.entry_kind != print_entry_values_only) |
6211c335 | 664 | list_arg_or_local (&arg, what, values, skip_unavailable); |
e18b2753 | 665 | if (entryarg.entry_kind != print_entry_values_no) |
6211c335 | 666 | list_arg_or_local (&entryarg, what, values, skip_unavailable); |
93d86cef | 667 | xfree (arg.error); |
e18b2753 | 668 | xfree (entryarg.error); |
fb40c209 AC |
669 | } |
670 | } | |
2b03b41d | 671 | |
fb40c209 AC |
672 | if (BLOCK_FUNCTION (block)) |
673 | break; | |
674 | else | |
675 | block = BLOCK_SUPERBLOCK (block); | |
676 | } | |
fb40c209 AC |
677 | } |
678 | ||
ce8f13f8 | 679 | void |
9f33b8b7 | 680 | mi_cmd_stack_select_frame (const char *command, char **argv, int argc) |
fb40c209 | 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 |
9f33b8b7 | 689 | mi_cmd_stack_info_frame (const char *command, char **argv, int argc) |
64fd8944 NR |
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 | } |