Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
42a4f53d | 3 | Copyright (C) 1986-2019 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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 |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b | 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/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
c906108c SS |
21 | #include "symtab.h" |
22 | #include "gdbtypes.h" | |
23 | #include "value.h" | |
24 | #include "gdbcore.h" | |
25 | #include "gdbcmd.h" | |
26 | #include "target.h" | |
c906108c | 27 | #include "language.h" |
c906108c SS |
28 | #include "annotate.h" |
29 | #include "valprint.h" | |
f69fdf9b | 30 | #include "target-float.h" |
6dddc817 | 31 | #include "extension.h" |
0c3acc09 | 32 | #include "ada-lang.h" |
3b2b8fea TT |
33 | #include "gdb_obstack.h" |
34 | #include "charset.h" | |
3f2f83dd | 35 | #include "typeprint.h" |
3b2b8fea | 36 | #include <ctype.h> |
325fac50 | 37 | #include <algorithm> |
d5722aa2 | 38 | #include "common/byte-vector.h" |
c906108c | 39 | |
0d63ecda KS |
40 | /* Maximum number of wchars returned from wchar_iterate. */ |
41 | #define MAX_WCHARS 4 | |
42 | ||
43 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
44 | characters. */ | |
45 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
46 | ||
47 | /* Character buffer size saved while iterating over wchars. */ | |
48 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
49 | ||
50 | /* A structure to encapsulate state information from iterated | |
51 | character conversions. */ | |
52 | struct converted_character | |
53 | { | |
54 | /* The number of characters converted. */ | |
55 | int num_chars; | |
56 | ||
57 | /* The result of the conversion. See charset.h for more. */ | |
58 | enum wchar_iterate_result result; | |
59 | ||
60 | /* The (saved) converted character(s). */ | |
61 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
62 | ||
63 | /* The first converted target byte. */ | |
64 | const gdb_byte *buf; | |
65 | ||
66 | /* The number of bytes converted. */ | |
67 | size_t buflen; | |
68 | ||
69 | /* How many times this character(s) is repeated. */ | |
70 | int repeat_count; | |
71 | }; | |
72 | ||
e7045703 DE |
73 | /* Command lists for set/show print raw. */ |
74 | struct cmd_list_element *setprintrawlist; | |
75 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 76 | |
c906108c SS |
77 | /* Prototypes for local functions */ |
78 | ||
777ea8f1 | 79 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 80 | int len, int *errptr); |
917317f4 | 81 | |
a14ed312 | 82 | static void set_input_radix_1 (int, unsigned); |
c906108c | 83 | |
a14ed312 | 84 | static void set_output_radix_1 (int, unsigned); |
c906108c | 85 | |
81516450 DE |
86 | static void val_print_type_code_flags (struct type *type, |
87 | const gdb_byte *valaddr, | |
88 | struct ui_file *stream); | |
89 | ||
581e13c1 | 90 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
2e62ab40 | 91 | #define PRINT_MAX_DEPTH_DEFAULT 20 /* Start print_max_depth off at this value. */ |
79a45b7d TT |
92 | |
93 | struct value_print_options user_print_options = | |
94 | { | |
2a998fc0 DE |
95 | Val_prettyformat_default, /* prettyformat */ |
96 | 0, /* prettyformat_arrays */ | |
97 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
98 | 0, /* vtblprint */ |
99 | 1, /* unionprint */ | |
100 | 1, /* addressprint */ | |
101 | 0, /* objectprint */ | |
102 | PRINT_MAX_DEFAULT, /* print_max */ | |
103 | 10, /* repeat_count_threshold */ | |
104 | 0, /* output_format */ | |
105 | 0, /* format */ | |
106 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
107 | 0, /* print_array_indexes */ |
108 | 0, /* deref_ref */ | |
109 | 1, /* static_field_print */ | |
a6bac58e TT |
110 | 1, /* pascal_static_field_print */ |
111 | 0, /* raw */ | |
9cb709b6 | 112 | 0, /* summary */ |
2e62ab40 AB |
113 | 1, /* symbol_print */ |
114 | PRINT_MAX_DEPTH_DEFAULT /* max_depth */ | |
79a45b7d TT |
115 | }; |
116 | ||
117 | /* Initialize *OPTS to be a copy of the user print options. */ | |
118 | void | |
119 | get_user_print_options (struct value_print_options *opts) | |
120 | { | |
121 | *opts = user_print_options; | |
122 | } | |
123 | ||
124 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 125 | pretty-formatting disabled. */ |
79a45b7d | 126 | void |
2a998fc0 | 127 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
128 | { |
129 | *opts = user_print_options; | |
2a998fc0 | 130 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
131 | } |
132 | ||
133 | /* Initialize *OPTS to be a copy of the user print options, but using | |
134 | FORMAT as the formatting option. */ | |
135 | void | |
136 | get_formatted_print_options (struct value_print_options *opts, | |
137 | char format) | |
138 | { | |
139 | *opts = user_print_options; | |
140 | opts->format = format; | |
141 | } | |
142 | ||
920d2a44 AC |
143 | static void |
144 | show_print_max (struct ui_file *file, int from_tty, | |
145 | struct cmd_list_element *c, const char *value) | |
146 | { | |
3e43a32a MS |
147 | fprintf_filtered (file, |
148 | _("Limit on string chars or array " | |
149 | "elements to print is %s.\n"), | |
920d2a44 AC |
150 | value); |
151 | } | |
152 | ||
c906108c SS |
153 | |
154 | /* Default input and output radixes, and output format letter. */ | |
155 | ||
156 | unsigned input_radix = 10; | |
920d2a44 AC |
157 | static void |
158 | show_input_radix (struct ui_file *file, int from_tty, | |
159 | struct cmd_list_element *c, const char *value) | |
160 | { | |
3e43a32a MS |
161 | fprintf_filtered (file, |
162 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
163 | value); |
164 | } | |
165 | ||
c906108c | 166 | unsigned output_radix = 10; |
920d2a44 AC |
167 | static void |
168 | show_output_radix (struct ui_file *file, int from_tty, | |
169 | struct cmd_list_element *c, const char *value) | |
170 | { | |
3e43a32a MS |
171 | fprintf_filtered (file, |
172 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
173 | value); |
174 | } | |
c906108c | 175 | |
e79af960 JB |
176 | /* By default we print arrays without printing the index of each element in |
177 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
178 | ||
e79af960 JB |
179 | static void |
180 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
181 | struct cmd_list_element *c, const char *value) | |
182 | { | |
183 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
184 | } | |
185 | ||
c906108c SS |
186 | /* Print repeat counts if there are more than this many repetitions of an |
187 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 188 | print routines. */ |
c906108c | 189 | |
920d2a44 AC |
190 | static void |
191 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
192 | struct cmd_list_element *c, const char *value) | |
193 | { | |
194 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
195 | value); | |
196 | } | |
c906108c | 197 | |
581e13c1 | 198 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 199 | |
920d2a44 AC |
200 | static void |
201 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
202 | struct cmd_list_element *c, const char *value) | |
203 | { | |
3e43a32a MS |
204 | fprintf_filtered (file, |
205 | _("Printing of char arrays to stop " | |
206 | "at first null char is %s.\n"), | |
920d2a44 AC |
207 | value); |
208 | } | |
c906108c | 209 | |
581e13c1 | 210 | /* Controls pretty printing of structures. */ |
c906108c | 211 | |
920d2a44 | 212 | static void |
2a998fc0 | 213 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
214 | struct cmd_list_element *c, const char *value) |
215 | { | |
2a998fc0 | 216 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 217 | } |
c906108c SS |
218 | |
219 | /* Controls pretty printing of arrays. */ | |
220 | ||
920d2a44 | 221 | static void |
2a998fc0 | 222 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
223 | struct cmd_list_element *c, const char *value) |
224 | { | |
2a998fc0 | 225 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 226 | } |
c906108c SS |
227 | |
228 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 229 | printed. */ |
c906108c | 230 | |
920d2a44 AC |
231 | static void |
232 | show_unionprint (struct ui_file *file, int from_tty, | |
233 | struct cmd_list_element *c, const char *value) | |
234 | { | |
3e43a32a MS |
235 | fprintf_filtered (file, |
236 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
237 | value); |
238 | } | |
c906108c | 239 | |
581e13c1 | 240 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 241 | |
920d2a44 AC |
242 | static void |
243 | show_addressprint (struct ui_file *file, int from_tty, | |
244 | struct cmd_list_element *c, const char *value) | |
245 | { | |
246 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
247 | } | |
9cb709b6 TT |
248 | |
249 | static void | |
250 | show_symbol_print (struct ui_file *file, int from_tty, | |
251 | struct cmd_list_element *c, const char *value) | |
252 | { | |
253 | fprintf_filtered (file, | |
254 | _("Printing of symbols when printing pointers is %s.\n"), | |
255 | value); | |
256 | } | |
257 | ||
c906108c | 258 | \f |
c5aa993b | 259 | |
a6bac58e TT |
260 | /* A helper function for val_print. When printing in "summary" mode, |
261 | we want to print scalar arguments, but not aggregate arguments. | |
262 | This function distinguishes between the two. */ | |
263 | ||
6211c335 YQ |
264 | int |
265 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 266 | { |
f168693b | 267 | type = check_typedef (type); |
aa006118 | 268 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e TT |
269 | { |
270 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 271 | type = check_typedef (type); |
a6bac58e TT |
272 | } |
273 | switch (TYPE_CODE (type)) | |
274 | { | |
275 | case TYPE_CODE_ARRAY: | |
276 | case TYPE_CODE_STRUCT: | |
277 | case TYPE_CODE_UNION: | |
278 | case TYPE_CODE_SET: | |
279 | case TYPE_CODE_STRING: | |
a6bac58e TT |
280 | return 0; |
281 | default: | |
282 | return 1; | |
283 | } | |
284 | } | |
285 | ||
2e62ab40 AB |
286 | /* A helper function for val_print. When printing with limited depth we |
287 | want to print string and scalar arguments, but not aggregate arguments. | |
288 | This function distinguishes between the two. */ | |
289 | ||
290 | static bool | |
291 | val_print_scalar_or_string_type_p (struct type *type, | |
292 | const struct language_defn *language) | |
293 | { | |
294 | return (val_print_scalar_type_p (type) | |
295 | || language->la_is_string_type_p (type)); | |
296 | } | |
297 | ||
a72c8f6a | 298 | /* See its definition in value.h. */ |
0e03807e | 299 | |
a72c8f6a | 300 | int |
0e03807e TT |
301 | valprint_check_validity (struct ui_file *stream, |
302 | struct type *type, | |
6b850546 | 303 | LONGEST embedded_offset, |
0e03807e TT |
304 | const struct value *val) |
305 | { | |
f168693b | 306 | type = check_typedef (type); |
0e03807e | 307 | |
3f2f83dd KB |
308 | if (type_not_associated (type)) |
309 | { | |
310 | val_print_not_associated (stream); | |
311 | return 0; | |
312 | } | |
313 | ||
314 | if (type_not_allocated (type)) | |
315 | { | |
316 | val_print_not_allocated (stream); | |
317 | return 0; | |
318 | } | |
319 | ||
0e03807e TT |
320 | if (TYPE_CODE (type) != TYPE_CODE_UNION |
321 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
322 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
323 | { | |
9a0dc9e3 PA |
324 | if (value_bits_any_optimized_out (val, |
325 | TARGET_CHAR_BIT * embedded_offset, | |
326 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 327 | { |
901461f8 | 328 | val_print_optimized_out (val, stream); |
0e03807e TT |
329 | return 0; |
330 | } | |
8cf6f0b1 | 331 | |
4e07d55f | 332 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
333 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
334 | { | |
3326303b MG |
335 | const int is_ref = TYPE_CODE (type) == TYPE_CODE_REF; |
336 | int ref_is_addressable = 0; | |
337 | ||
338 | if (is_ref) | |
339 | { | |
340 | const struct value *deref_val = coerce_ref_if_computed (val); | |
341 | ||
342 | if (deref_val != NULL) | |
343 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
344 | } | |
345 | ||
346 | if (!is_ref || !ref_is_addressable) | |
347 | fputs_filtered (_("<synthetic pointer>"), stream); | |
348 | ||
349 | /* C++ references should be valid even if they're synthetic. */ | |
350 | return is_ref; | |
8cf6f0b1 | 351 | } |
4e07d55f PA |
352 | |
353 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
354 | { | |
355 | val_print_unavailable (stream); | |
356 | return 0; | |
357 | } | |
0e03807e TT |
358 | } |
359 | ||
360 | return 1; | |
361 | } | |
362 | ||
585fdaa1 | 363 | void |
901461f8 | 364 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 365 | { |
901461f8 | 366 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 367 | val_print_not_saved (stream); |
901461f8 PA |
368 | else |
369 | fprintf_filtered (stream, _("<optimized out>")); | |
585fdaa1 PA |
370 | } |
371 | ||
782d47df PA |
372 | void |
373 | val_print_not_saved (struct ui_file *stream) | |
374 | { | |
375 | fprintf_filtered (stream, _("<not saved>")); | |
376 | } | |
377 | ||
4e07d55f PA |
378 | void |
379 | val_print_unavailable (struct ui_file *stream) | |
380 | { | |
381 | fprintf_filtered (stream, _("<unavailable>")); | |
382 | } | |
383 | ||
8af8e3bc PA |
384 | void |
385 | val_print_invalid_address (struct ui_file *stream) | |
386 | { | |
387 | fprintf_filtered (stream, _("<invalid address>")); | |
388 | } | |
389 | ||
9f436164 SM |
390 | /* Print a pointer based on the type of its target. |
391 | ||
392 | Arguments to this functions are roughly the same as those in | |
393 | generic_val_print. A difference is that ADDRESS is the address to print, | |
394 | with embedded_offset already added. ELTTYPE represents | |
395 | the pointed type after check_typedef. */ | |
396 | ||
397 | static void | |
398 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
399 | CORE_ADDR address, struct ui_file *stream, | |
400 | const struct value_print_options *options) | |
401 | { | |
402 | struct gdbarch *gdbarch = get_type_arch (type); | |
403 | ||
404 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
405 | { | |
406 | /* Try to print what function it points to. */ | |
407 | print_function_pointer_address (options, gdbarch, address, stream); | |
408 | return; | |
409 | } | |
410 | ||
411 | if (options->symbol_print) | |
412 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
413 | else if (options->addressprint) | |
414 | fputs_filtered (paddress (gdbarch, address), stream); | |
415 | } | |
416 | ||
557dbe8a SM |
417 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
418 | ||
419 | static void | |
e8b24d9f | 420 | generic_val_print_array (struct type *type, |
00272ec4 TT |
421 | int embedded_offset, CORE_ADDR address, |
422 | struct ui_file *stream, int recurse, | |
e8b24d9f | 423 | struct value *original_value, |
00272ec4 TT |
424 | const struct value_print_options *options, |
425 | const struct | |
426 | generic_val_print_decorations *decorations) | |
557dbe8a SM |
427 | { |
428 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); | |
429 | struct type *elttype = check_typedef (unresolved_elttype); | |
430 | ||
431 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
432 | { | |
433 | LONGEST low_bound, high_bound; | |
434 | ||
435 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
436 | error (_("Could not determine the array high bound")); | |
437 | ||
438 | if (options->prettyformat_arrays) | |
439 | { | |
440 | print_spaces_filtered (2 + 2 * recurse, stream); | |
441 | } | |
442 | ||
00272ec4 | 443 | fputs_filtered (decorations->array_start, stream); |
e8b24d9f | 444 | val_print_array_elements (type, embedded_offset, |
557dbe8a SM |
445 | address, stream, |
446 | recurse, original_value, options, 0); | |
00272ec4 | 447 | fputs_filtered (decorations->array_end, stream); |
557dbe8a SM |
448 | } |
449 | else | |
450 | { | |
451 | /* Array of unspecified length: treat like pointer to first elt. */ | |
452 | print_unpacked_pointer (type, elttype, address + embedded_offset, stream, | |
453 | options); | |
454 | } | |
455 | ||
456 | } | |
457 | ||
81eb921a SM |
458 | /* generic_val_print helper for TYPE_CODE_PTR. */ |
459 | ||
460 | static void | |
e8b24d9f | 461 | generic_val_print_ptr (struct type *type, |
81eb921a | 462 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 463 | struct value *original_value, |
81eb921a SM |
464 | const struct value_print_options *options) |
465 | { | |
3ae385af SM |
466 | struct gdbarch *gdbarch = get_type_arch (type); |
467 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
468 | ||
81eb921a SM |
469 | if (options->format && options->format != 's') |
470 | { | |
e8b24d9f | 471 | val_print_scalar_formatted (type, embedded_offset, |
81eb921a SM |
472 | original_value, options, 0, stream); |
473 | } | |
474 | else | |
475 | { | |
476 | struct type *unresolved_elttype = TYPE_TARGET_TYPE(type); | |
477 | struct type *elttype = check_typedef (unresolved_elttype); | |
e8b24d9f | 478 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af SM |
479 | CORE_ADDR addr = unpack_pointer (type, |
480 | valaddr + embedded_offset * unit_size); | |
81eb921a SM |
481 | |
482 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
483 | } | |
484 | } | |
485 | ||
45000ea2 SM |
486 | |
487 | /* generic_val_print helper for TYPE_CODE_MEMBERPTR. */ | |
488 | ||
489 | static void | |
e8b24d9f | 490 | generic_val_print_memberptr (struct type *type, |
45000ea2 | 491 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 492 | struct value *original_value, |
45000ea2 SM |
493 | const struct value_print_options *options) |
494 | { | |
e8b24d9f | 495 | val_print_scalar_formatted (type, embedded_offset, |
45000ea2 SM |
496 | original_value, options, 0, stream); |
497 | } | |
498 | ||
3326303b MG |
499 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
500 | ||
501 | static void | |
502 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
503 | int embedded_offset, struct ui_file *stream) | |
504 | { | |
505 | struct gdbarch *gdbarch = get_type_arch (type); | |
506 | ||
507 | if (address_buffer != NULL) | |
508 | { | |
509 | CORE_ADDR address | |
510 | = extract_typed_address (address_buffer + embedded_offset, type); | |
511 | ||
512 | fprintf_filtered (stream, "@"); | |
513 | fputs_filtered (paddress (gdbarch, address), stream); | |
514 | } | |
515 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
516 | } | |
517 | ||
518 | /* If VAL is addressable, return the value contents buffer of a value that | |
519 | represents a pointer to VAL. Otherwise return NULL. */ | |
520 | ||
521 | static const gdb_byte * | |
522 | get_value_addr_contents (struct value *deref_val) | |
523 | { | |
524 | gdb_assert (deref_val != NULL); | |
525 | ||
526 | if (value_lval_const (deref_val) == lval_memory) | |
527 | return value_contents_for_printing_const (value_addr (deref_val)); | |
528 | else | |
529 | { | |
530 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
531 | return NULL; | |
532 | } | |
533 | } | |
534 | ||
aa006118 | 535 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
536 | |
537 | static void | |
e8b24d9f | 538 | generic_val_print_ref (struct type *type, |
fe43fede | 539 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 540 | struct value *original_value, |
fe43fede SM |
541 | const struct value_print_options *options) |
542 | { | |
fe43fede | 543 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
3326303b MG |
544 | struct value *deref_val = NULL; |
545 | const int value_is_synthetic | |
546 | = value_bits_synthetic_pointer (original_value, | |
547 | TARGET_CHAR_BIT * embedded_offset, | |
548 | TARGET_CHAR_BIT * TYPE_LENGTH (type)); | |
549 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) | |
550 | || options->deref_ref); | |
551 | const int type_is_defined = TYPE_CODE (elttype) != TYPE_CODE_UNDEF; | |
e8b24d9f | 552 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3326303b MG |
553 | |
554 | if (must_coerce_ref && type_is_defined) | |
555 | { | |
556 | deref_val = coerce_ref_if_computed (original_value); | |
557 | ||
558 | if (deref_val != NULL) | |
559 | { | |
560 | /* More complicated computed references are not supported. */ | |
561 | gdb_assert (embedded_offset == 0); | |
562 | } | |
563 | else | |
564 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
565 | unpack_pointer (type, valaddr + embedded_offset)); | |
566 | } | |
567 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
568 | the reference's contents. | |
569 | ||
570 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
571 | cause original_value to be a not_lval instead of an lval_computed, | |
572 | which will make value_bits_synthetic_pointer return false. | |
573 | This happens because if options->objectprint is true, c_value_print will | |
574 | overwrite original_value's contents with the result of coercing | |
575 | the reference through value_addr, and then set its type back to | |
576 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
577 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
578 | |
579 | if (options->addressprint) | |
580 | { | |
3326303b MG |
581 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
582 | ? get_value_addr_contents (deref_val) | |
583 | : valaddr); | |
584 | ||
585 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 586 | |
fe43fede SM |
587 | if (options->deref_ref) |
588 | fputs_filtered (": ", stream); | |
589 | } | |
3326303b | 590 | |
fe43fede SM |
591 | if (options->deref_ref) |
592 | { | |
3326303b MG |
593 | if (type_is_defined) |
594 | common_val_print (deref_val, stream, recurse, options, | |
595 | current_language); | |
fe43fede SM |
596 | else |
597 | fputs_filtered ("???", stream); | |
598 | } | |
599 | } | |
600 | ||
81516450 DE |
601 | /* Helper function for generic_val_print_enum. |
602 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
603 | |
604 | static void | |
81516450 DE |
605 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
606 | struct ui_file *stream) | |
ef0bc0dd SM |
607 | { |
608 | unsigned int i; | |
609 | unsigned int len; | |
ef0bc0dd | 610 | |
ef0bc0dd | 611 | len = TYPE_NFIELDS (type); |
ef0bc0dd SM |
612 | for (i = 0; i < len; i++) |
613 | { | |
614 | QUIT; | |
615 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
616 | { | |
617 | break; | |
618 | } | |
619 | } | |
620 | if (i < len) | |
621 | { | |
622 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
623 | } | |
624 | else if (TYPE_FLAG_ENUM (type)) | |
625 | { | |
626 | int first = 1; | |
627 | ||
628 | /* We have a "flag" enum, so we try to decompose it into | |
629 | pieces as appropriate. A flag enum has disjoint | |
630 | constants by definition. */ | |
631 | fputs_filtered ("(", stream); | |
632 | for (i = 0; i < len; ++i) | |
633 | { | |
634 | QUIT; | |
635 | ||
636 | if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0) | |
637 | { | |
638 | if (!first) | |
639 | fputs_filtered (" | ", stream); | |
640 | first = 0; | |
641 | ||
642 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
643 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
644 | } | |
645 | } | |
646 | ||
647 | if (first || val != 0) | |
648 | { | |
649 | if (!first) | |
650 | fputs_filtered (" | ", stream); | |
651 | fputs_filtered ("unknown: ", stream); | |
652 | print_longest (stream, 'd', 0, val); | |
653 | } | |
654 | ||
655 | fputs_filtered (")", stream); | |
656 | } | |
657 | else | |
658 | print_longest (stream, 'd', 0, val); | |
659 | } | |
660 | ||
81516450 DE |
661 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
662 | ||
663 | static void | |
e8b24d9f | 664 | generic_val_print_enum (struct type *type, |
81516450 | 665 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 666 | struct value *original_value, |
81516450 DE |
667 | const struct value_print_options *options) |
668 | { | |
669 | LONGEST val; | |
670 | struct gdbarch *gdbarch = get_type_arch (type); | |
671 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
672 | ||
673 | if (options->format) | |
674 | { | |
e8b24d9f | 675 | val_print_scalar_formatted (type, embedded_offset, |
81516450 | 676 | original_value, options, 0, stream); |
81516450 | 677 | } |
e8b24d9f YQ |
678 | else |
679 | { | |
680 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
681 | ||
682 | val = unpack_long (type, valaddr + embedded_offset * unit_size); | |
81516450 | 683 | |
e8b24d9f YQ |
684 | generic_val_print_enum_1 (type, val, stream); |
685 | } | |
81516450 DE |
686 | } |
687 | ||
d93880bd SM |
688 | /* generic_val_print helper for TYPE_CODE_FLAGS. */ |
689 | ||
690 | static void | |
e8b24d9f | 691 | generic_val_print_flags (struct type *type, |
d93880bd | 692 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 693 | struct value *original_value, |
d93880bd SM |
694 | const struct value_print_options *options) |
695 | ||
696 | { | |
697 | if (options->format) | |
e8b24d9f | 698 | val_print_scalar_formatted (type, embedded_offset, original_value, |
d93880bd SM |
699 | options, 0, stream); |
700 | else | |
e8b24d9f YQ |
701 | { |
702 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
703 | ||
704 | val_print_type_code_flags (type, valaddr + embedded_offset, stream); | |
705 | } | |
d93880bd SM |
706 | } |
707 | ||
4a8c372f SM |
708 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
709 | ||
710 | static void | |
e8b24d9f | 711 | generic_val_print_func (struct type *type, |
4a8c372f SM |
712 | int embedded_offset, CORE_ADDR address, |
713 | struct ui_file *stream, | |
e8b24d9f | 714 | struct value *original_value, |
4a8c372f SM |
715 | const struct value_print_options *options) |
716 | { | |
717 | struct gdbarch *gdbarch = get_type_arch (type); | |
718 | ||
719 | if (options->format) | |
720 | { | |
e8b24d9f | 721 | val_print_scalar_formatted (type, embedded_offset, |
4a8c372f SM |
722 | original_value, options, 0, stream); |
723 | } | |
724 | else | |
725 | { | |
726 | /* FIXME, we should consider, at least for ANSI C language, | |
727 | eliminating the distinction made between FUNCs and POINTERs | |
728 | to FUNCs. */ | |
729 | fprintf_filtered (stream, "{"); | |
730 | type_print (type, "", stream, -1); | |
731 | fprintf_filtered (stream, "} "); | |
732 | /* Try to print what function it points to, and its address. */ | |
733 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
734 | } | |
735 | } | |
736 | ||
e5bead4b SM |
737 | /* generic_val_print helper for TYPE_CODE_BOOL. */ |
738 | ||
739 | static void | |
e8b24d9f | 740 | generic_val_print_bool (struct type *type, |
e5bead4b | 741 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 742 | struct value *original_value, |
e5bead4b SM |
743 | const struct value_print_options *options, |
744 | const struct generic_val_print_decorations *decorations) | |
745 | { | |
746 | LONGEST val; | |
3ae385af SM |
747 | struct gdbarch *gdbarch = get_type_arch (type); |
748 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e5bead4b SM |
749 | |
750 | if (options->format || options->output_format) | |
751 | { | |
752 | struct value_print_options opts = *options; | |
753 | opts.format = (options->format ? options->format | |
754 | : options->output_format); | |
e8b24d9f | 755 | val_print_scalar_formatted (type, embedded_offset, |
e5bead4b SM |
756 | original_value, &opts, 0, stream); |
757 | } | |
758 | else | |
759 | { | |
e8b24d9f YQ |
760 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
761 | ||
3ae385af | 762 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
e5bead4b SM |
763 | if (val == 0) |
764 | fputs_filtered (decorations->false_name, stream); | |
765 | else if (val == 1) | |
766 | fputs_filtered (decorations->true_name, stream); | |
767 | else | |
768 | print_longest (stream, 'd', 0, val); | |
769 | } | |
770 | } | |
771 | ||
b21b6342 SM |
772 | /* generic_val_print helper for TYPE_CODE_INT. */ |
773 | ||
774 | static void | |
e8b24d9f | 775 | generic_val_print_int (struct type *type, |
b21b6342 | 776 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 777 | struct value *original_value, |
b21b6342 SM |
778 | const struct value_print_options *options) |
779 | { | |
f12f6bad | 780 | struct value_print_options opts = *options; |
3ae385af | 781 | |
f12f6bad TT |
782 | opts.format = (options->format ? options->format |
783 | : options->output_format); | |
784 | val_print_scalar_formatted (type, embedded_offset, | |
785 | original_value, &opts, 0, stream); | |
b21b6342 SM |
786 | } |
787 | ||
385f5aff SM |
788 | /* generic_val_print helper for TYPE_CODE_CHAR. */ |
789 | ||
790 | static void | |
791 | generic_val_print_char (struct type *type, struct type *unresolved_type, | |
e8b24d9f | 792 | int embedded_offset, |
385f5aff | 793 | struct ui_file *stream, |
e8b24d9f | 794 | struct value *original_value, |
385f5aff SM |
795 | const struct value_print_options *options) |
796 | { | |
797 | LONGEST val; | |
3ae385af SM |
798 | struct gdbarch *gdbarch = get_type_arch (type); |
799 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
385f5aff SM |
800 | |
801 | if (options->format || options->output_format) | |
802 | { | |
803 | struct value_print_options opts = *options; | |
804 | ||
805 | opts.format = (options->format ? options->format | |
806 | : options->output_format); | |
e8b24d9f | 807 | val_print_scalar_formatted (type, embedded_offset, |
385f5aff SM |
808 | original_value, &opts, 0, stream); |
809 | } | |
810 | else | |
811 | { | |
e8b24d9f YQ |
812 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
813 | ||
3ae385af | 814 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
385f5aff SM |
815 | if (TYPE_UNSIGNED (type)) |
816 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
817 | else | |
818 | fprintf_filtered (stream, "%d", (int) val); | |
819 | fputs_filtered (" ", stream); | |
820 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
821 | } | |
822 | } | |
823 | ||
fdf0cbc2 | 824 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
825 | |
826 | static void | |
e8b24d9f | 827 | generic_val_print_float (struct type *type, |
7784724b | 828 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 829 | struct value *original_value, |
7784724b SM |
830 | const struct value_print_options *options) |
831 | { | |
3ae385af SM |
832 | struct gdbarch *gdbarch = get_type_arch (type); |
833 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
834 | ||
7784724b SM |
835 | if (options->format) |
836 | { | |
e8b24d9f | 837 | val_print_scalar_formatted (type, embedded_offset, |
7784724b SM |
838 | original_value, options, 0, stream); |
839 | } | |
840 | else | |
841 | { | |
e8b24d9f YQ |
842 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
843 | ||
3ae385af | 844 | print_floating (valaddr + embedded_offset * unit_size, type, stream); |
7784724b SM |
845 | } |
846 | } | |
847 | ||
0c87c0bf SM |
848 | /* generic_val_print helper for TYPE_CODE_COMPLEX. */ |
849 | ||
850 | static void | |
e8b24d9f | 851 | generic_val_print_complex (struct type *type, |
0c87c0bf | 852 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 853 | struct value *original_value, |
0c87c0bf SM |
854 | const struct value_print_options *options, |
855 | const struct generic_val_print_decorations | |
856 | *decorations) | |
857 | { | |
3ae385af SM |
858 | struct gdbarch *gdbarch = get_type_arch (type); |
859 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e8b24d9f | 860 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af | 861 | |
0c87c0bf SM |
862 | fprintf_filtered (stream, "%s", decorations->complex_prefix); |
863 | if (options->format) | |
e8b24d9f | 864 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf SM |
865 | embedded_offset, original_value, options, 0, |
866 | stream); | |
867 | else | |
3ae385af SM |
868 | print_floating (valaddr + embedded_offset * unit_size, |
869 | TYPE_TARGET_TYPE (type), stream); | |
0c87c0bf SM |
870 | fprintf_filtered (stream, "%s", decorations->complex_infix); |
871 | if (options->format) | |
e8b24d9f | 872 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf | 873 | embedded_offset |
3ae385af | 874 | + type_length_units (TYPE_TARGET_TYPE (type)), |
0c87c0bf SM |
875 | original_value, options, 0, stream); |
876 | else | |
3ae385af | 877 | print_floating (valaddr + embedded_offset * unit_size |
0c87c0bf SM |
878 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), |
879 | TYPE_TARGET_TYPE (type), stream); | |
880 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
881 | } | |
882 | ||
e88acd96 TT |
883 | /* A generic val_print that is suitable for use by language |
884 | implementations of the la_val_print method. This function can | |
885 | handle most type codes, though not all, notably exception | |
886 | TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by | |
887 | the caller. | |
888 | ||
889 | Most arguments are as to val_print. | |
890 | ||
891 | The additional DECORATIONS argument can be used to customize the | |
892 | output in some small, language-specific ways. */ | |
893 | ||
894 | void | |
e8b24d9f | 895 | generic_val_print (struct type *type, |
e88acd96 TT |
896 | int embedded_offset, CORE_ADDR address, |
897 | struct ui_file *stream, int recurse, | |
e8b24d9f | 898 | struct value *original_value, |
e88acd96 TT |
899 | const struct value_print_options *options, |
900 | const struct generic_val_print_decorations *decorations) | |
901 | { | |
e88acd96 | 902 | struct type *unresolved_type = type; |
e88acd96 | 903 | |
f168693b | 904 | type = check_typedef (type); |
e88acd96 TT |
905 | switch (TYPE_CODE (type)) |
906 | { | |
907 | case TYPE_CODE_ARRAY: | |
e8b24d9f | 908 | generic_val_print_array (type, embedded_offset, address, stream, |
00272ec4 | 909 | recurse, original_value, options, decorations); |
9f436164 | 910 | break; |
e88acd96 TT |
911 | |
912 | case TYPE_CODE_MEMBERPTR: | |
e8b24d9f | 913 | generic_val_print_memberptr (type, embedded_offset, stream, |
45000ea2 | 914 | original_value, options); |
e88acd96 TT |
915 | break; |
916 | ||
917 | case TYPE_CODE_PTR: | |
e8b24d9f | 918 | generic_val_print_ptr (type, embedded_offset, stream, |
81eb921a | 919 | original_value, options); |
e88acd96 TT |
920 | break; |
921 | ||
922 | case TYPE_CODE_REF: | |
aa006118 | 923 | case TYPE_CODE_RVALUE_REF: |
e8b24d9f | 924 | generic_val_print_ref (type, embedded_offset, stream, recurse, |
fe43fede | 925 | original_value, options); |
e88acd96 TT |
926 | break; |
927 | ||
928 | case TYPE_CODE_ENUM: | |
e8b24d9f | 929 | generic_val_print_enum (type, embedded_offset, stream, |
ef0bc0dd | 930 | original_value, options); |
e88acd96 TT |
931 | break; |
932 | ||
933 | case TYPE_CODE_FLAGS: | |
e8b24d9f | 934 | generic_val_print_flags (type, embedded_offset, stream, |
d93880bd | 935 | original_value, options); |
e88acd96 TT |
936 | break; |
937 | ||
938 | case TYPE_CODE_FUNC: | |
939 | case TYPE_CODE_METHOD: | |
e8b24d9f | 940 | generic_val_print_func (type, embedded_offset, address, stream, |
4a8c372f | 941 | original_value, options); |
e88acd96 TT |
942 | break; |
943 | ||
944 | case TYPE_CODE_BOOL: | |
e8b24d9f | 945 | generic_val_print_bool (type, embedded_offset, stream, |
e5bead4b | 946 | original_value, options, decorations); |
e88acd96 TT |
947 | break; |
948 | ||
949 | case TYPE_CODE_RANGE: | |
0c9c3474 | 950 | /* FIXME: create_static_range_type does not set the unsigned bit in a |
e88acd96 TT |
951 | range type (I think it probably should copy it from the |
952 | target type), so we won't print values which are too large to | |
953 | fit in a signed integer correctly. */ | |
954 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
955 | print with the target type, though, because the size of our | |
956 | type and the target type might differ). */ | |
957 | ||
958 | /* FALLTHROUGH */ | |
959 | ||
960 | case TYPE_CODE_INT: | |
e8b24d9f | 961 | generic_val_print_int (type, embedded_offset, stream, |
b21b6342 | 962 | original_value, options); |
e88acd96 TT |
963 | break; |
964 | ||
965 | case TYPE_CODE_CHAR: | |
e8b24d9f | 966 | generic_val_print_char (type, unresolved_type, embedded_offset, |
385f5aff | 967 | stream, original_value, options); |
e88acd96 TT |
968 | break; |
969 | ||
970 | case TYPE_CODE_FLT: | |
fdf0cbc2 | 971 | case TYPE_CODE_DECFLOAT: |
e8b24d9f | 972 | generic_val_print_float (type, embedded_offset, stream, |
7784724b | 973 | original_value, options); |
e88acd96 TT |
974 | break; |
975 | ||
e88acd96 TT |
976 | case TYPE_CODE_VOID: |
977 | fputs_filtered (decorations->void_name, stream); | |
978 | break; | |
979 | ||
980 | case TYPE_CODE_ERROR: | |
981 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
982 | break; | |
983 | ||
984 | case TYPE_CODE_UNDEF: | |
a9ff5f12 UW |
985 | /* This happens (without TYPE_STUB set) on systems which don't use |
986 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
987 | and no complete type for struct foo in that file. */ | |
e88acd96 TT |
988 | fprintf_filtered (stream, _("<incomplete type>")); |
989 | break; | |
990 | ||
991 | case TYPE_CODE_COMPLEX: | |
e8b24d9f | 992 | generic_val_print_complex (type, embedded_offset, stream, |
0c87c0bf | 993 | original_value, options, decorations); |
e88acd96 TT |
994 | break; |
995 | ||
996 | case TYPE_CODE_UNION: | |
997 | case TYPE_CODE_STRUCT: | |
998 | case TYPE_CODE_METHODPTR: | |
999 | default: | |
1000 | error (_("Unhandled type code %d in symbol table."), | |
1001 | TYPE_CODE (type)); | |
1002 | } | |
e88acd96 TT |
1003 | } |
1004 | ||
32b72a42 | 1005 | /* Print using the given LANGUAGE the data of type TYPE located at |
e8b24d9f YQ |
1006 | VAL's contents buffer + EMBEDDED_OFFSET (within GDB), which came |
1007 | from the inferior at address ADDRESS + EMBEDDED_OFFSET, onto | |
1008 | stdio stream STREAM according to OPTIONS. VAL is the whole object | |
1009 | that came from ADDRESS. | |
32b72a42 PA |
1010 | |
1011 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
1012 | further helper subroutines as subfields of TYPE are printed. In | |
e8b24d9f | 1013 | such cases, VAL is passed down unadjusted, so |
32b72a42 PA |
1014 | that VAL can be queried for metadata about the contents data being |
1015 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
1016 | buffer. For example: "has this field been optimized out", or "I'm | |
1017 | printing an object while inspecting a traceframe; has this | |
1018 | particular piece of data been collected?". | |
1019 | ||
1020 | RECURSE indicates the amount of indentation to supply before | |
1021 | continuation lines; this amount is roughly twice the value of | |
35c0084b | 1022 | RECURSE. */ |
32b72a42 | 1023 | |
35c0084b | 1024 | void |
e8b24d9f | 1025 | val_print (struct type *type, LONGEST embedded_offset, |
79a45b7d | 1026 | CORE_ADDR address, struct ui_file *stream, int recurse, |
e8b24d9f | 1027 | struct value *val, |
79a45b7d | 1028 | const struct value_print_options *options, |
d8ca156b | 1029 | const struct language_defn *language) |
c906108c | 1030 | { |
19ca80ba | 1031 | int ret = 0; |
79a45b7d | 1032 | struct value_print_options local_opts = *options; |
c906108c | 1033 | struct type *real_type = check_typedef (type); |
79a45b7d | 1034 | |
2a998fc0 DE |
1035 | if (local_opts.prettyformat == Val_prettyformat_default) |
1036 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
1037 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 1038 | |
c906108c SS |
1039 | QUIT; |
1040 | ||
1041 | /* Ensure that the type is complete and not just a stub. If the type is | |
1042 | only a stub and we can't find and substitute its complete type, then | |
1043 | print appropriate string and return. */ | |
1044 | ||
74a9bb82 | 1045 | if (TYPE_STUB (real_type)) |
c906108c | 1046 | { |
0e03807e | 1047 | fprintf_filtered (stream, _("<incomplete type>")); |
35c0084b | 1048 | return; |
c906108c | 1049 | } |
c5aa993b | 1050 | |
0e03807e | 1051 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
35c0084b | 1052 | return; |
0e03807e | 1053 | |
a6bac58e TT |
1054 | if (!options->raw) |
1055 | { | |
668e1674 | 1056 | ret = apply_ext_lang_val_pretty_printer (type, embedded_offset, |
6dddc817 DE |
1057 | address, stream, recurse, |
1058 | val, options, language); | |
a6bac58e | 1059 | if (ret) |
35c0084b | 1060 | return; |
a6bac58e TT |
1061 | } |
1062 | ||
1063 | /* Handle summary mode. If the value is a scalar, print it; | |
1064 | otherwise, print an ellipsis. */ | |
6211c335 | 1065 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
1066 | { |
1067 | fprintf_filtered (stream, "..."); | |
35c0084b | 1068 | return; |
a6bac58e TT |
1069 | } |
1070 | ||
2e62ab40 AB |
1071 | /* If this value is too deep then don't print it. */ |
1072 | if (!val_print_scalar_or_string_type_p (type, language) | |
1073 | && val_print_check_max_depth (stream, recurse, options, language)) | |
1074 | return; | |
1075 | ||
a70b8144 | 1076 | try |
19ca80ba | 1077 | { |
e8b24d9f | 1078 | language->la_val_print (type, embedded_offset, address, |
d3eab38a TT |
1079 | stream, recurse, val, |
1080 | &local_opts); | |
19ca80ba | 1081 | } |
230d2906 | 1082 | catch (const gdb_exception_error &except) |
492d29ea PA |
1083 | { |
1084 | fprintf_filtered (stream, _("<error reading variable>")); | |
1085 | } | |
c906108c SS |
1086 | } |
1087 | ||
2e62ab40 AB |
1088 | /* See valprint.h. */ |
1089 | ||
1090 | bool | |
1091 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1092 | const struct value_print_options *options, | |
1093 | const struct language_defn *language) | |
1094 | { | |
1095 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1096 | { | |
1097 | gdb_assert (language->la_struct_too_deep_ellipsis != NULL); | |
1098 | fputs_filtered (language->la_struct_too_deep_ellipsis, stream); | |
1099 | return true; | |
1100 | } | |
1101 | ||
1102 | return false; | |
1103 | } | |
1104 | ||
806048c6 | 1105 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1106 | return 0 and print an appropriate error message to STREAM according to |
1107 | OPTIONS if it is not. */ | |
c906108c | 1108 | |
806048c6 | 1109 | static int |
6501578c YQ |
1110 | value_check_printable (struct value *val, struct ui_file *stream, |
1111 | const struct value_print_options *options) | |
c906108c SS |
1112 | { |
1113 | if (val == 0) | |
1114 | { | |
806048c6 | 1115 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
1116 | return 0; |
1117 | } | |
806048c6 | 1118 | |
0e03807e | 1119 | if (value_entirely_optimized_out (val)) |
c906108c | 1120 | { |
6211c335 | 1121 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1122 | fprintf_filtered (stream, "..."); |
1123 | else | |
901461f8 | 1124 | val_print_optimized_out (val, stream); |
c906108c SS |
1125 | return 0; |
1126 | } | |
806048c6 | 1127 | |
eebc056c AB |
1128 | if (value_entirely_unavailable (val)) |
1129 | { | |
1130 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1131 | fprintf_filtered (stream, "..."); | |
1132 | else | |
1133 | val_print_unavailable (stream); | |
1134 | return 0; | |
1135 | } | |
1136 | ||
bc3b79fd TJB |
1137 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
1138 | { | |
1139 | fprintf_filtered (stream, _("<internal function %s>"), | |
1140 | value_internal_function_name (val)); | |
1141 | return 0; | |
1142 | } | |
1143 | ||
3f2f83dd KB |
1144 | if (type_not_associated (value_type (val))) |
1145 | { | |
1146 | val_print_not_associated (stream); | |
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | if (type_not_allocated (value_type (val))) | |
1151 | { | |
1152 | val_print_not_allocated (stream); | |
1153 | return 0; | |
1154 | } | |
1155 | ||
806048c6 DJ |
1156 | return 1; |
1157 | } | |
1158 | ||
d8ca156b | 1159 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1160 | to OPTIONS. |
806048c6 | 1161 | |
806048c6 DJ |
1162 | This is a preferable interface to val_print, above, because it uses |
1163 | GDB's value mechanism. */ | |
1164 | ||
a1f5dd1b | 1165 | void |
79a45b7d TT |
1166 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1167 | const struct value_print_options *options, | |
d8ca156b | 1168 | const struct language_defn *language) |
806048c6 | 1169 | { |
6501578c | 1170 | if (!value_check_printable (val, stream, options)) |
a1f5dd1b | 1171 | return; |
806048c6 | 1172 | |
0c3acc09 JB |
1173 | if (language->la_language == language_ada) |
1174 | /* The value might have a dynamic type, which would cause trouble | |
1175 | below when trying to extract the value contents (since the value | |
1176 | size is determined from the type size which is unknown). So | |
1177 | get a fixed representation of our value. */ | |
1178 | val = ada_to_fixed_value (val); | |
1179 | ||
7d45f3df YQ |
1180 | if (value_lazy (val)) |
1181 | value_fetch_lazy (val); | |
1182 | ||
e8b24d9f | 1183 | val_print (value_type (val), |
a1f5dd1b TT |
1184 | value_embedded_offset (val), value_address (val), |
1185 | stream, recurse, | |
1186 | val, options, language); | |
806048c6 DJ |
1187 | } |
1188 | ||
7348c5e1 | 1189 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1190 | is printed using the current_language syntax. */ |
7348c5e1 | 1191 | |
8e069a98 | 1192 | void |
79a45b7d TT |
1193 | value_print (struct value *val, struct ui_file *stream, |
1194 | const struct value_print_options *options) | |
806048c6 | 1195 | { |
6501578c | 1196 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1197 | return; |
806048c6 | 1198 | |
a6bac58e TT |
1199 | if (!options->raw) |
1200 | { | |
6dddc817 DE |
1201 | int r |
1202 | = apply_ext_lang_val_pretty_printer (value_type (val), | |
6dddc817 DE |
1203 | value_embedded_offset (val), |
1204 | value_address (val), | |
1205 | stream, 0, | |
1206 | val, options, current_language); | |
a109c7c1 | 1207 | |
a6bac58e | 1208 | if (r) |
8e069a98 | 1209 | return; |
a6bac58e TT |
1210 | } |
1211 | ||
8e069a98 | 1212 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1213 | } |
1214 | ||
81516450 | 1215 | static void |
4f2aea11 MK |
1216 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, |
1217 | struct ui_file *stream) | |
1218 | { | |
befae759 | 1219 | ULONGEST val = unpack_long (type, valaddr); |
81516450 DE |
1220 | int field, nfields = TYPE_NFIELDS (type); |
1221 | struct gdbarch *gdbarch = get_type_arch (type); | |
1222 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; | |
4f2aea11 | 1223 | |
81516450 DE |
1224 | fputs_filtered ("[", stream); |
1225 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1226 | { |
81516450 | 1227 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1228 | { |
81516450 DE |
1229 | struct type *field_type = TYPE_FIELD_TYPE (type, field); |
1230 | ||
1231 | if (field_type == bool_type | |
1232 | /* We require boolean types here to be one bit wide. This is a | |
1233 | problematic place to notify the user of an internal error | |
1234 | though. Instead just fall through and print the field as an | |
1235 | int. */ | |
1236 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1237 | { | |
1238 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
1239 | fprintf_filtered (stream, " %s", | |
1240 | TYPE_FIELD_NAME (type, field)); | |
1241 | } | |
4f2aea11 | 1242 | else |
81516450 DE |
1243 | { |
1244 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1245 | ULONGEST field_val | |
1246 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1247 | ||
1248 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1249 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
1250 | fprintf_filtered (stream, " %s=", | |
1251 | TYPE_FIELD_NAME (type, field)); | |
1252 | if (TYPE_CODE (field_type) == TYPE_CODE_ENUM) | |
1253 | generic_val_print_enum_1 (field_type, field_val, stream); | |
1254 | else | |
1255 | print_longest (stream, 'd', 0, field_val); | |
1256 | } | |
4f2aea11 MK |
1257 | } |
1258 | } | |
81516450 | 1259 | fputs_filtered (" ]", stream); |
19c37f24 | 1260 | } |
ab2188aa PA |
1261 | |
1262 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
1263 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
1264 | at this level. | |
1265 | ||
1266 | This is how the elements of an array or structure are printed | |
1267 | with a format. */ | |
ab2188aa PA |
1268 | |
1269 | void | |
1270 | val_print_scalar_formatted (struct type *type, | |
e8b24d9f YQ |
1271 | LONGEST embedded_offset, |
1272 | struct value *val, | |
ab2188aa PA |
1273 | const struct value_print_options *options, |
1274 | int size, | |
1275 | struct ui_file *stream) | |
1276 | { | |
3ae385af SM |
1277 | struct gdbarch *arch = get_type_arch (type); |
1278 | int unit_size = gdbarch_addressable_memory_unit_size (arch); | |
1279 | ||
ab2188aa | 1280 | gdb_assert (val != NULL); |
ab2188aa PA |
1281 | |
1282 | /* If we get here with a string format, try again without it. Go | |
1283 | all the way back to the language printers, which may call us | |
1284 | again. */ | |
1285 | if (options->format == 's') | |
1286 | { | |
1287 | struct value_print_options opts = *options; | |
1288 | opts.format = 0; | |
1289 | opts.deref_ref = 0; | |
e8b24d9f | 1290 | val_print (type, embedded_offset, 0, stream, 0, val, &opts, |
ab2188aa PA |
1291 | current_language); |
1292 | return; | |
1293 | } | |
1294 | ||
e8b24d9f YQ |
1295 | /* value_contents_for_printing fetches all VAL's contents. They are |
1296 | needed to check whether VAL is optimized-out or unavailable | |
1297 | below. */ | |
1298 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1299 | ||
ab2188aa PA |
1300 | /* A scalar object that does not have all bits available can't be |
1301 | printed, because all bits contribute to its representation. */ | |
9a0dc9e3 PA |
1302 | if (value_bits_any_optimized_out (val, |
1303 | TARGET_CHAR_BIT * embedded_offset, | |
1304 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
901461f8 | 1305 | val_print_optimized_out (val, stream); |
4e07d55f PA |
1306 | else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) |
1307 | val_print_unavailable (stream); | |
ab2188aa | 1308 | else |
3ae385af | 1309 | print_scalar_formatted (valaddr + embedded_offset * unit_size, type, |
ab2188aa | 1310 | options, size, stream); |
4f2aea11 MK |
1311 | } |
1312 | ||
c906108c SS |
1313 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1314 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1315 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1316 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1317 | format. |
bb599908 PH |
1318 | |
1319 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1320 | 'o' and 'x' format do not include the standard C radix prefix | |
1321 | (leading 0 or 0x). | |
1322 | ||
1323 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
1324 | and was intended to request formating according to the current | |
1325 | language and would be used for most integers that GDB prints. The | |
1326 | exceptional cases were things like protocols where the format of | |
1327 | the integer is a protocol thing, not a user-visible thing). The | |
1328 | parameter remains to preserve the information of what things might | |
1329 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1330 | that capability. */ |
c906108c SS |
1331 | |
1332 | void | |
bb599908 | 1333 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1334 | LONGEST val_long) |
c906108c | 1335 | { |
2bfb72ee AC |
1336 | const char *val; |
1337 | ||
c906108c SS |
1338 | switch (format) |
1339 | { | |
1340 | case 'd': | |
bb599908 | 1341 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1342 | case 'u': |
bb599908 | 1343 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1344 | case 'x': |
bb599908 | 1345 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1346 | case 'b': |
bb599908 | 1347 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1348 | case 'h': |
bb599908 | 1349 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1350 | case 'w': |
bb599908 | 1351 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1352 | case 'g': |
bb599908 | 1353 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1354 | break; |
1355 | case 'o': | |
bb599908 | 1356 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1357 | default: |
3e43a32a MS |
1358 | internal_error (__FILE__, __LINE__, |
1359 | _("failed internal consistency check")); | |
bb599908 | 1360 | } |
2bfb72ee | 1361 | fputs_filtered (val, stream); |
c906108c SS |
1362 | } |
1363 | ||
c906108c SS |
1364 | /* This used to be a macro, but I don't think it is called often enough |
1365 | to merit such treatment. */ | |
1366 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1367 | arguments to a function, number in a value history, register number, etc.) | |
1368 | where the value must not be larger than can fit in an int. */ | |
1369 | ||
1370 | int | |
fba45db2 | 1371 | longest_to_int (LONGEST arg) |
c906108c | 1372 | { |
581e13c1 | 1373 | /* Let the compiler do the work. */ |
c906108c SS |
1374 | int rtnval = (int) arg; |
1375 | ||
581e13c1 | 1376 | /* Check for overflows or underflows. */ |
c906108c SS |
1377 | if (sizeof (LONGEST) > sizeof (int)) |
1378 | { | |
1379 | if (rtnval != arg) | |
1380 | { | |
8a3fe4f8 | 1381 | error (_("Value out of range.")); |
c906108c SS |
1382 | } |
1383 | } | |
1384 | return (rtnval); | |
1385 | } | |
1386 | ||
fdf0cbc2 UW |
1387 | /* Print a floating point value of floating-point type TYPE, |
1388 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1389 | |
1390 | void | |
fc1a4b47 | 1391 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1392 | struct ui_file *stream) |
c906108c | 1393 | { |
f69fdf9b | 1394 | std::string str = target_float_to_string (valaddr, type); |
3b4b2f16 | 1395 | fputs_filtered (str.c_str (), stream); |
7678ef8f TJB |
1396 | } |
1397 | ||
c5aa993b | 1398 | void |
fc1a4b47 | 1399 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1400 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1401 | { |
fc1a4b47 | 1402 | const gdb_byte *p; |
745b8ca0 | 1403 | unsigned int i; |
c5aa993b | 1404 | int b; |
30a25466 | 1405 | bool seen_a_one = false; |
c906108c SS |
1406 | |
1407 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1408 | This ensures that right shift will shift in zeros. */ |
1409 | ||
c5aa993b | 1410 | const int mask = 0x080; |
c906108c | 1411 | |
d44e8473 | 1412 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1413 | { |
1414 | for (p = valaddr; | |
1415 | p < valaddr + len; | |
1416 | p++) | |
1417 | { | |
c5aa993b | 1418 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1419 | and print from the MSB end. */ |
1420 | ||
d3abe1c8 | 1421 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1422 | { |
1423 | if (*p & (mask >> i)) | |
30a25466 | 1424 | b = '1'; |
c5aa993b | 1425 | else |
30a25466 | 1426 | b = '0'; |
c5aa993b | 1427 | |
30a25466 TT |
1428 | if (zero_pad || seen_a_one || b == '1') |
1429 | fputc_filtered (b, stream); | |
1430 | if (b == '1') | |
1431 | seen_a_one = true; | |
c5aa993b | 1432 | } |
c906108c SS |
1433 | } |
1434 | } | |
1435 | else | |
1436 | { | |
1437 | for (p = valaddr + len - 1; | |
1438 | p >= valaddr; | |
1439 | p--) | |
1440 | { | |
d3abe1c8 | 1441 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1442 | { |
1443 | if (*p & (mask >> i)) | |
30a25466 | 1444 | b = '1'; |
c5aa993b | 1445 | else |
30a25466 | 1446 | b = '0'; |
c5aa993b | 1447 | |
30a25466 TT |
1448 | if (zero_pad || seen_a_one || b == '1') |
1449 | fputc_filtered (b, stream); | |
1450 | if (b == '1') | |
1451 | seen_a_one = true; | |
c5aa993b | 1452 | } |
c906108c SS |
1453 | } |
1454 | } | |
30a25466 TT |
1455 | |
1456 | /* When not zero-padding, ensure that something is printed when the | |
1457 | input is 0. */ | |
1458 | if (!zero_pad && !seen_a_one) | |
1459 | fputc_filtered ('0', stream); | |
1460 | } | |
1461 | ||
1462 | /* A helper for print_octal_chars that emits a single octal digit, | |
1463 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1464 | ||
1465 | static void | |
1466 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1467 | { | |
1468 | if (*seen_a_one || digit != 0) | |
1469 | fprintf_filtered (stream, "%o", digit); | |
1470 | if (digit != 0) | |
1471 | *seen_a_one = true; | |
c906108c SS |
1472 | } |
1473 | ||
1474 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1475 | Print it in octal on stream or format it in buf. */ |
1476 | ||
c906108c | 1477 | void |
fc1a4b47 | 1478 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1479 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1480 | { |
fc1a4b47 | 1481 | const gdb_byte *p; |
c906108c | 1482 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1483 | int cycle; |
1484 | ||
c906108c SS |
1485 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1486 | * the extra bits, which cycle every three bytes: | |
1487 | * | |
1488 | * Byte side: 0 1 2 3 | |
1489 | * | | | | | |
1490 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1491 | * | |
1492 | * Octal side: 0 1 carry 3 4 carry ... | |
1493 | * | |
1494 | * Cycle number: 0 1 2 | |
1495 | * | |
1496 | * But of course we are printing from the high side, so we have to | |
1497 | * figure out where in the cycle we are so that we end up with no | |
1498 | * left over bits at the end. | |
1499 | */ | |
1500 | #define BITS_IN_OCTAL 3 | |
1501 | #define HIGH_ZERO 0340 | |
d6382fff | 1502 | #define LOW_ZERO 0034 |
c906108c | 1503 | #define CARRY_ZERO 0003 |
d6382fff TT |
1504 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1505 | "cycle zero constants are wrong"); | |
c906108c SS |
1506 | #define HIGH_ONE 0200 |
1507 | #define MID_ONE 0160 | |
1508 | #define LOW_ONE 0016 | |
1509 | #define CARRY_ONE 0001 | |
d6382fff TT |
1510 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1511 | "cycle one constants are wrong"); | |
c906108c SS |
1512 | #define HIGH_TWO 0300 |
1513 | #define MID_TWO 0070 | |
1514 | #define LOW_TWO 0007 | |
d6382fff TT |
1515 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1516 | "cycle two constants are wrong"); | |
c906108c SS |
1517 | |
1518 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1519 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1520 | ||
d3abe1c8 | 1521 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1522 | carry = 0; |
c5aa993b | 1523 | |
bb599908 | 1524 | fputs_filtered ("0", stream); |
30a25466 | 1525 | bool seen_a_one = false; |
d44e8473 | 1526 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1527 | { |
1528 | for (p = valaddr; | |
1529 | p < valaddr + len; | |
1530 | p++) | |
1531 | { | |
c5aa993b JM |
1532 | switch (cycle) |
1533 | { | |
1534 | case 0: | |
581e13c1 MS |
1535 | /* No carry in, carry out two bits. */ |
1536 | ||
c5aa993b JM |
1537 | octa1 = (HIGH_ZERO & *p) >> 5; |
1538 | octa2 = (LOW_ZERO & *p) >> 2; | |
1539 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1540 | emit_octal_digit (stream, &seen_a_one, octa1); |
1541 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1542 | break; |
1543 | ||
1544 | case 1: | |
581e13c1 MS |
1545 | /* Carry in two bits, carry out one bit. */ |
1546 | ||
c5aa993b JM |
1547 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1548 | octa2 = (MID_ONE & *p) >> 4; | |
1549 | octa3 = (LOW_ONE & *p) >> 1; | |
1550 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1551 | emit_octal_digit (stream, &seen_a_one, octa1); |
1552 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1553 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1554 | break; |
1555 | ||
1556 | case 2: | |
581e13c1 MS |
1557 | /* Carry in one bit, no carry out. */ |
1558 | ||
c5aa993b JM |
1559 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1560 | octa2 = (MID_TWO & *p) >> 3; | |
1561 | octa3 = (LOW_TWO & *p); | |
1562 | carry = 0; | |
30a25466 TT |
1563 | emit_octal_digit (stream, &seen_a_one, octa1); |
1564 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1565 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1566 | break; |
1567 | ||
1568 | default: | |
8a3fe4f8 | 1569 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1570 | } |
1571 | ||
1572 | cycle++; | |
1573 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1574 | } |
1575 | } | |
1576 | else | |
1577 | { | |
1578 | for (p = valaddr + len - 1; | |
1579 | p >= valaddr; | |
1580 | p--) | |
1581 | { | |
c5aa993b JM |
1582 | switch (cycle) |
1583 | { | |
1584 | case 0: | |
1585 | /* Carry out, no carry in */ | |
581e13c1 | 1586 | |
c5aa993b JM |
1587 | octa1 = (HIGH_ZERO & *p) >> 5; |
1588 | octa2 = (LOW_ZERO & *p) >> 2; | |
1589 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1590 | emit_octal_digit (stream, &seen_a_one, octa1); |
1591 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1592 | break; |
1593 | ||
1594 | case 1: | |
1595 | /* Carry in, carry out */ | |
581e13c1 | 1596 | |
c5aa993b JM |
1597 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1598 | octa2 = (MID_ONE & *p) >> 4; | |
1599 | octa3 = (LOW_ONE & *p) >> 1; | |
1600 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1601 | emit_octal_digit (stream, &seen_a_one, octa1); |
1602 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1603 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1604 | break; |
1605 | ||
1606 | case 2: | |
1607 | /* Carry in, no carry out */ | |
581e13c1 | 1608 | |
c5aa993b JM |
1609 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1610 | octa2 = (MID_TWO & *p) >> 3; | |
1611 | octa3 = (LOW_TWO & *p); | |
1612 | carry = 0; | |
30a25466 TT |
1613 | emit_octal_digit (stream, &seen_a_one, octa1); |
1614 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1615 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1616 | break; |
1617 | ||
1618 | default: | |
8a3fe4f8 | 1619 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1620 | } |
1621 | ||
1622 | cycle++; | |
1623 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1624 | } |
1625 | } | |
1626 | ||
c906108c SS |
1627 | } |
1628 | ||
4ac0cb1c TT |
1629 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1630 | bytes in the specified byte order. If the integer is negative, | |
1631 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1632 | nothing and return false. */ | |
1633 | ||
1634 | static bool | |
1635 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1636 | enum bfd_endian byte_order, | |
d5722aa2 | 1637 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1638 | { |
1639 | gdb_byte sign_byte; | |
eb77c9df | 1640 | gdb_assert (len > 0); |
4ac0cb1c TT |
1641 | if (byte_order == BFD_ENDIAN_BIG) |
1642 | sign_byte = bytes[0]; | |
1643 | else | |
1644 | sign_byte = bytes[len - 1]; | |
1645 | if ((sign_byte & 0x80) == 0) | |
1646 | return false; | |
1647 | ||
1648 | out_vec->resize (len); | |
1649 | ||
1650 | /* Compute -x == 1 + ~x. */ | |
1651 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1652 | { | |
1653 | unsigned carry = 1; | |
1654 | for (unsigned i = 0; i < len; ++i) | |
1655 | { | |
1656 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1657 | (*out_vec)[i] = tem & 0xff; | |
1658 | carry = tem / 256; | |
1659 | } | |
1660 | } | |
1661 | else | |
1662 | { | |
1663 | unsigned carry = 1; | |
1664 | for (unsigned i = len; i > 0; --i) | |
1665 | { | |
1666 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1667 | (*out_vec)[i - 1] = tem & 0xff; | |
1668 | carry = tem / 256; | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | return true; | |
1673 | } | |
1674 | ||
c906108c | 1675 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1676 | Print it in decimal on stream or format it in buf. */ |
1677 | ||
c906108c | 1678 | void |
fc1a4b47 | 1679 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1680 | unsigned len, bool is_signed, |
1681 | enum bfd_endian byte_order) | |
c906108c SS |
1682 | { |
1683 | #define TEN 10 | |
c5aa993b | 1684 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1685 | #define CARRY_LEFT( x ) ((x) % TEN) |
1686 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1687 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1688 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1689 | ||
fc1a4b47 | 1690 | const gdb_byte *p; |
c5aa993b JM |
1691 | int carry; |
1692 | int decimal_len; | |
1693 | int i, j, decimal_digits; | |
1694 | int dummy; | |
1695 | int flip; | |
1696 | ||
d5722aa2 | 1697 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1698 | if (is_signed |
1699 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1700 | { | |
1701 | fputs_filtered ("-", stream); | |
1702 | valaddr = negated_bytes.data (); | |
1703 | } | |
1704 | ||
c906108c | 1705 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1706 | as the base 16 number, which is 2 digits per byte. */ |
1707 | ||
c906108c | 1708 | decimal_len = len * 2 * 2; |
30a25466 | 1709 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1710 | |
c906108c SS |
1711 | /* Ok, we have an unknown number of bytes of data to be printed in |
1712 | * decimal. | |
1713 | * | |
1714 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
1715 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
1716 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
1717 | * | |
1718 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1719 | * the individual digits are > 10. |
c906108c SS |
1720 | * |
1721 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1722 | * LSD end. | |
1723 | */ | |
c5aa993b | 1724 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1725 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1726 | flip = 0; |
d44e8473 | 1727 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1728 | { |
c906108c SS |
1729 | /* |
1730 | * Multiply current base-ten number by 16 in place. | |
1731 | * Each digit was between 0 and 9, now is between | |
1732 | * 0 and 144. | |
1733 | */ | |
c5aa993b JM |
1734 | for (j = 0; j < decimal_digits; j++) |
1735 | { | |
1736 | digits[j] = SHIFT (digits[j]); | |
1737 | } | |
1738 | ||
c906108c SS |
1739 | /* Take the next nibble off the input and add it to what |
1740 | * we've got in the LSB position. Bottom 'digit' is now | |
1741 | * between 0 and 159. | |
1742 | * | |
1743 | * "flip" is used to run this loop twice for each byte. | |
1744 | */ | |
c5aa993b JM |
1745 | if (flip == 0) |
1746 | { | |
581e13c1 MS |
1747 | /* Take top nibble. */ |
1748 | ||
c5aa993b JM |
1749 | digits[0] += HIGH_NIBBLE (*p); |
1750 | flip = 1; | |
1751 | } | |
1752 | else | |
1753 | { | |
581e13c1 MS |
1754 | /* Take low nibble and bump our pointer "p". */ |
1755 | ||
c5aa993b | 1756 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1757 | if (byte_order == BFD_ENDIAN_BIG) |
1758 | p++; | |
1759 | else | |
1760 | p--; | |
c5aa993b JM |
1761 | flip = 0; |
1762 | } | |
c906108c SS |
1763 | |
1764 | /* Re-decimalize. We have to do this often enough | |
1765 | * that we don't overflow, but once per nibble is | |
1766 | * overkill. Easier this way, though. Note that the | |
1767 | * carry is often larger than 10 (e.g. max initial | |
1768 | * carry out of lowest nibble is 15, could bubble all | |
1769 | * the way up greater than 10). So we have to do | |
1770 | * the carrying beyond the last current digit. | |
1771 | */ | |
1772 | carry = 0; | |
c5aa993b JM |
1773 | for (j = 0; j < decimal_len - 1; j++) |
1774 | { | |
1775 | digits[j] += carry; | |
1776 | ||
1777 | /* "/" won't handle an unsigned char with | |
1778 | * a value that if signed would be negative. | |
1779 | * So extend to longword int via "dummy". | |
1780 | */ | |
1781 | dummy = digits[j]; | |
1782 | carry = CARRY_OUT (dummy); | |
1783 | digits[j] = CARRY_LEFT (dummy); | |
1784 | ||
1785 | if (j >= decimal_digits && carry == 0) | |
1786 | { | |
1787 | /* | |
1788 | * All higher digits are 0 and we | |
1789 | * no longer have a carry. | |
1790 | * | |
1791 | * Note: "j" is 0-based, "decimal_digits" is | |
1792 | * 1-based. | |
1793 | */ | |
1794 | decimal_digits = j + 1; | |
1795 | break; | |
1796 | } | |
1797 | } | |
1798 | } | |
c906108c SS |
1799 | |
1800 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1801 | the "decimal_digits" actual digits. Print! */ |
1802 | ||
30a25466 TT |
1803 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1804 | ; | |
1805 | ||
1806 | for (; i >= 0; i--) | |
c5aa993b JM |
1807 | { |
1808 | fprintf_filtered (stream, "%1d", digits[i]); | |
1809 | } | |
c906108c SS |
1810 | } |
1811 | ||
1812 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1813 | ||
6b9acc27 | 1814 | void |
fc1a4b47 | 1815 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1816 | unsigned len, enum bfd_endian byte_order, |
1817 | bool zero_pad) | |
c906108c | 1818 | { |
fc1a4b47 | 1819 | const gdb_byte *p; |
c906108c | 1820 | |
bb599908 | 1821 | fputs_filtered ("0x", stream); |
d44e8473 | 1822 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1823 | { |
30a25466 TT |
1824 | p = valaddr; |
1825 | ||
1826 | if (!zero_pad) | |
1827 | { | |
1828 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1829 | single byte at the end. */ | |
1830 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1831 | ; | |
1832 | } | |
1833 | ||
1834 | const gdb_byte *first = p; | |
1835 | for (; | |
c906108c SS |
1836 | p < valaddr + len; |
1837 | p++) | |
1838 | { | |
30a25466 TT |
1839 | /* When not zero-padding, use a different format for the |
1840 | very first byte printed. */ | |
1841 | if (!zero_pad && p == first) | |
1842 | fprintf_filtered (stream, "%x", *p); | |
1843 | else | |
1844 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1845 | } |
1846 | } | |
1847 | else | |
1848 | { | |
30a25466 TT |
1849 | p = valaddr + len - 1; |
1850 | ||
1851 | if (!zero_pad) | |
1852 | { | |
1853 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1854 | single byte at the end. */ | |
1855 | for (; p >= valaddr + 1 && !*p; --p) | |
1856 | ; | |
1857 | } | |
1858 | ||
1859 | const gdb_byte *first = p; | |
1860 | for (; | |
c906108c SS |
1861 | p >= valaddr; |
1862 | p--) | |
1863 | { | |
30a25466 TT |
1864 | /* When not zero-padding, use a different format for the |
1865 | very first byte printed. */ | |
1866 | if (!zero_pad && p == first) | |
1867 | fprintf_filtered (stream, "%x", *p); | |
1868 | else | |
1869 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1870 | } |
1871 | } | |
c906108c SS |
1872 | } |
1873 | ||
3e43a32a | 1874 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1875 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1876 | Omit any leading zero chars. */ |
1877 | ||
1878 | void | |
6c7a06a3 TT |
1879 | print_char_chars (struct ui_file *stream, struct type *type, |
1880 | const gdb_byte *valaddr, | |
d44e8473 | 1881 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1882 | { |
fc1a4b47 | 1883 | const gdb_byte *p; |
6b9acc27 | 1884 | |
d44e8473 | 1885 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1886 | { |
1887 | p = valaddr; | |
1888 | while (p < valaddr + len - 1 && *p == 0) | |
1889 | ++p; | |
1890 | ||
1891 | while (p < valaddr + len) | |
1892 | { | |
6c7a06a3 | 1893 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1894 | ++p; |
1895 | } | |
1896 | } | |
1897 | else | |
1898 | { | |
1899 | p = valaddr + len - 1; | |
1900 | while (p > valaddr && *p == 0) | |
1901 | --p; | |
1902 | ||
1903 | while (p >= valaddr) | |
1904 | { | |
6c7a06a3 | 1905 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1906 | --p; |
1907 | } | |
1908 | } | |
1909 | } | |
1910 | ||
132c57b4 TT |
1911 | /* Print function pointer with inferior address ADDRESS onto stdio |
1912 | stream STREAM. */ | |
1913 | ||
1914 | void | |
edf0c1b7 TT |
1915 | print_function_pointer_address (const struct value_print_options *options, |
1916 | struct gdbarch *gdbarch, | |
132c57b4 | 1917 | CORE_ADDR address, |
edf0c1b7 | 1918 | struct ui_file *stream) |
132c57b4 TT |
1919 | { |
1920 | CORE_ADDR func_addr | |
1921 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
8b88a78e | 1922 | current_top_target ()); |
132c57b4 TT |
1923 | |
1924 | /* If the function pointer is represented by a description, print | |
1925 | the address of the description. */ | |
edf0c1b7 | 1926 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1927 | { |
1928 | fputs_filtered ("@", stream); | |
1929 | fputs_filtered (paddress (gdbarch, address), stream); | |
1930 | fputs_filtered (": ", stream); | |
1931 | } | |
edf0c1b7 | 1932 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1933 | } |
1934 | ||
1935 | ||
79a45b7d | 1936 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1937 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1938 | ||
1939 | void | |
1940 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1941 | struct ui_file *stream, |
1942 | const struct value_print_options *options) | |
e79af960 JB |
1943 | { |
1944 | struct value *index_value; | |
1945 | ||
79a45b7d | 1946 | if (!options->print_array_indexes) |
e79af960 JB |
1947 | return; |
1948 | ||
1949 | index_value = value_from_longest (index_type, index); | |
1950 | ||
79a45b7d TT |
1951 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1952 | } | |
e79af960 | 1953 | |
c906108c | 1954 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1955 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1956 | |
c5aa993b JM |
1957 | (FIXME?) Assumes array element separator is a comma, which is correct |
1958 | for all languages currently handled. | |
1959 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1960 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1961 | |
1962 | void | |
490f124f | 1963 | val_print_array_elements (struct type *type, |
e8b24d9f | 1964 | LONGEST embedded_offset, |
a2bd3dcd | 1965 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1966 | int recurse, |
e8b24d9f | 1967 | struct value *val, |
79a45b7d | 1968 | const struct value_print_options *options, |
fba45db2 | 1969 | unsigned int i) |
c906108c SS |
1970 | { |
1971 | unsigned int things_printed = 0; | |
1972 | unsigned len; | |
aa715135 | 1973 | struct type *elttype, *index_type, *base_index_type; |
c906108c SS |
1974 | unsigned eltlen; |
1975 | /* Position of the array element we are examining to see | |
1976 | whether it is repeated. */ | |
1977 | unsigned int rep1; | |
1978 | /* Number of repetitions we have detected so far. */ | |
1979 | unsigned int reps; | |
dbc98a8b | 1980 | LONGEST low_bound, high_bound; |
aa715135 | 1981 | LONGEST low_pos, high_pos; |
c5aa993b | 1982 | |
c906108c | 1983 | elttype = TYPE_TARGET_TYPE (type); |
3ae385af | 1984 | eltlen = type_length_units (check_typedef (elttype)); |
e79af960 | 1985 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1986 | |
dbc98a8b | 1987 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b | 1988 | { |
aa715135 JG |
1989 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
1990 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
1991 | else | |
1992 | base_index_type = index_type; | |
1993 | ||
1994 | /* Non-contiguous enumerations types can by used as index types | |
1995 | in some languages (e.g. Ada). In this case, the array length | |
1996 | shall be computed from the positions of the first and last | |
1997 | literal in the enumeration type, and not from the values | |
1998 | of these literals. */ | |
1999 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
2000 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
2001 | { | |
2002 | warning (_("unable to get positions in array, use bounds instead")); | |
2003 | low_pos = low_bound; | |
2004 | high_pos = high_bound; | |
2005 | } | |
2006 | ||
2007 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
75be741b | 2008 | But we have to be a little extra careful, because some languages |
aa715135 | 2009 | such as Ada allow LOW_POS to be greater than HIGH_POS for |
75be741b JB |
2010 | empty arrays. In that situation, the array length is just zero, |
2011 | not negative! */ | |
aa715135 | 2012 | if (low_pos > high_pos) |
75be741b JB |
2013 | len = 0; |
2014 | else | |
aa715135 | 2015 | len = high_pos - low_pos + 1; |
75be741b | 2016 | } |
e936309c JB |
2017 | else |
2018 | { | |
dbc98a8b KW |
2019 | warning (_("unable to get bounds of array, assuming null array")); |
2020 | low_bound = 0; | |
2021 | len = 0; | |
168de233 JB |
2022 | } |
2023 | ||
c906108c SS |
2024 | annotate_array_section_begin (i, elttype); |
2025 | ||
79a45b7d | 2026 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
2027 | { |
2028 | if (i != 0) | |
2029 | { | |
2a998fc0 | 2030 | if (options->prettyformat_arrays) |
c906108c SS |
2031 | { |
2032 | fprintf_filtered (stream, ",\n"); | |
2033 | print_spaces_filtered (2 + 2 * recurse, stream); | |
2034 | } | |
2035 | else | |
2036 | { | |
2037 | fprintf_filtered (stream, ", "); | |
2038 | } | |
2039 | } | |
2040 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 2041 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 2042 | stream, options); |
c906108c SS |
2043 | |
2044 | rep1 = i + 1; | |
2045 | reps = 1; | |
35bef4fd TT |
2046 | /* Only check for reps if repeat_count_threshold is not set to |
2047 | UINT_MAX (unlimited). */ | |
2048 | if (options->repeat_count_threshold < UINT_MAX) | |
c906108c | 2049 | { |
35bef4fd | 2050 | while (rep1 < len |
9a0dc9e3 PA |
2051 | && value_contents_eq (val, |
2052 | embedded_offset + i * eltlen, | |
2053 | val, | |
2054 | (embedded_offset | |
2055 | + rep1 * eltlen), | |
2056 | eltlen)) | |
35bef4fd TT |
2057 | { |
2058 | ++reps; | |
2059 | ++rep1; | |
2060 | } | |
c906108c SS |
2061 | } |
2062 | ||
79a45b7d | 2063 | if (reps > options->repeat_count_threshold) |
c906108c | 2064 | { |
e8b24d9f | 2065 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f PA |
2066 | address, stream, recurse + 1, val, options, |
2067 | current_language); | |
c906108c SS |
2068 | annotate_elt_rep (reps); |
2069 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
2070 | annotate_elt_rep_end (); | |
2071 | ||
2072 | i = rep1 - 1; | |
79a45b7d | 2073 | things_printed += options->repeat_count_threshold; |
c906108c SS |
2074 | } |
2075 | else | |
2076 | { | |
e8b24d9f | 2077 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f | 2078 | address, |
0e03807e | 2079 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
2080 | annotate_elt (); |
2081 | things_printed++; | |
2082 | } | |
2083 | } | |
2084 | annotate_array_section_end (); | |
2085 | if (i < len) | |
2086 | { | |
2087 | fprintf_filtered (stream, "..."); | |
2088 | } | |
2089 | } | |
2090 | ||
917317f4 JM |
2091 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
2092 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 2093 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 2094 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
2095 | |
2096 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
2097 | function be eliminated. */ | |
2098 | ||
2099 | static int | |
3e43a32a | 2100 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 2101 | int len, int *errptr) |
917317f4 | 2102 | { |
581e13c1 MS |
2103 | int nread; /* Number of bytes actually read. */ |
2104 | int errcode; /* Error from last read. */ | |
917317f4 | 2105 | |
581e13c1 | 2106 | /* First try a complete read. */ |
917317f4 JM |
2107 | errcode = target_read_memory (memaddr, myaddr, len); |
2108 | if (errcode == 0) | |
2109 | { | |
581e13c1 | 2110 | /* Got it all. */ |
917317f4 JM |
2111 | nread = len; |
2112 | } | |
2113 | else | |
2114 | { | |
581e13c1 | 2115 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
2116 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
2117 | { | |
2118 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2119 | } | |
581e13c1 | 2120 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2121 | if (errcode != 0) |
2122 | { | |
2123 | nread--; | |
2124 | } | |
2125 | } | |
578d3588 | 2126 | if (errptr != NULL) |
917317f4 | 2127 | { |
578d3588 | 2128 | *errptr = errcode; |
917317f4 JM |
2129 | } |
2130 | return (nread); | |
2131 | } | |
2132 | ||
b4be9fad TT |
2133 | /* Read a string from the inferior, at ADDR, with LEN characters of |
2134 | WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER | |
2135 | will be set to a newly allocated buffer containing the string, and | |
2136 | BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2137 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2138 | |
f380848e SA |
2139 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2140 | (including eventual NULs in the middle or end of the string). | |
2141 | ||
2142 | If LEN is -1, stops at the first null character (not necessarily | |
2143 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2144 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2145 | the string. | |
ae6a3a4c TJB |
2146 | |
2147 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2148 | failure. In this case, some characters might have been read before the | |
2149 | failure happened. Check BYTES_READ to recognize this situation. | |
2150 | ||
2151 | Note: There was a FIXME asking to make this code use target_read_string, | |
2152 | but this function is more general (can read past null characters, up to | |
581e13c1 | 2153 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
2154 | so it is more tested. Perhaps callers of target_read_string should use |
2155 | this function instead? */ | |
c906108c SS |
2156 | |
2157 | int | |
ae6a3a4c | 2158 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
b4be9fad TT |
2159 | enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer, |
2160 | int *bytes_read) | |
c906108c | 2161 | { |
ae6a3a4c TJB |
2162 | int errcode; /* Errno returned from bad reads. */ |
2163 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2164 | gdb_byte *bufptr; /* Pointer to next available byte in |
2165 | buffer. */ | |
ae6a3a4c | 2166 | |
ae6a3a4c TJB |
2167 | /* Loop until we either have all the characters, or we encounter |
2168 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2169 | |
b4be9fad | 2170 | buffer->reset (nullptr); |
c906108c SS |
2171 | |
2172 | if (len > 0) | |
2173 | { | |
88db67ef YQ |
2174 | /* We want fetchlimit chars, so we might as well read them all in |
2175 | one operation. */ | |
325fac50 | 2176 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e | 2177 | |
b4be9fad TT |
2178 | buffer->reset ((gdb_byte *) xmalloc (fetchlen * width)); |
2179 | bufptr = buffer->get (); | |
c906108c | 2180 | |
f380848e | 2181 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2182 | / width; |
2183 | addr += nfetch * width; | |
2184 | bufptr += nfetch * width; | |
2185 | } | |
2186 | else if (len == -1) | |
2187 | { | |
2188 | unsigned long bufsize = 0; | |
88db67ef YQ |
2189 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2190 | int found_nul; /* Non-zero if we found the nul char. */ | |
2191 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2192 | ||
2193 | found_nul = 0; | |
2194 | /* We are looking for a NUL terminator to end the fetching, so we | |
2195 | might as well read in blocks that are large enough to be efficient, | |
2196 | but not so large as to be slow if fetchlimit happens to be large. | |
2197 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2198 | instead of 8 but 200 is way too big for remote debugging over a | |
2199 | serial line. */ | |
325fac50 | 2200 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2201 | |
c906108c SS |
2202 | do |
2203 | { | |
2204 | QUIT; | |
325fac50 | 2205 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2206 | |
ae6a3a4c | 2207 | if (*buffer == NULL) |
b4be9fad | 2208 | buffer->reset ((gdb_byte *) xmalloc (nfetch * width)); |
c906108c | 2209 | else |
b4be9fad TT |
2210 | buffer->reset ((gdb_byte *) xrealloc (buffer->release (), |
2211 | (nfetch + bufsize) * width)); | |
c906108c | 2212 | |
b4be9fad | 2213 | bufptr = buffer->get () + bufsize * width; |
c906108c SS |
2214 | bufsize += nfetch; |
2215 | ||
ae6a3a4c | 2216 | /* Read as much as we can. */ |
917317f4 | 2217 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2218 | / width; |
c906108c | 2219 | |
ae6a3a4c | 2220 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2221 | to print. If found, we don't need to fetch any more. Note |
2222 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2223 | after the null character, or at the next character after the end |
2224 | of the buffer. */ | |
c906108c SS |
2225 | |
2226 | limit = bufptr + nfetch * width; | |
2227 | while (bufptr < limit) | |
2228 | { | |
2229 | unsigned long c; | |
2230 | ||
e17a4113 | 2231 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2232 | addr += width; |
2233 | bufptr += width; | |
2234 | if (c == 0) | |
2235 | { | |
2236 | /* We don't care about any error which happened after | |
ae6a3a4c | 2237 | the NUL terminator. */ |
c906108c SS |
2238 | errcode = 0; |
2239 | found_nul = 1; | |
2240 | break; | |
2241 | } | |
2242 | } | |
2243 | } | |
c5aa993b | 2244 | while (errcode == 0 /* no error */ |
b4be9fad | 2245 | && bufptr - buffer->get () < fetchlimit * width /* no overrun */ |
ae6a3a4c | 2246 | && !found_nul); /* haven't found NUL yet */ |
c906108c SS |
2247 | } |
2248 | else | |
ae6a3a4c TJB |
2249 | { /* Length of string is really 0! */ |
2250 | /* We always allocate *buffer. */ | |
b4be9fad TT |
2251 | buffer->reset ((gdb_byte *) xmalloc (1)); |
2252 | bufptr = buffer->get (); | |
c906108c SS |
2253 | errcode = 0; |
2254 | } | |
2255 | ||
2256 | /* bufptr and addr now point immediately beyond the last byte which we | |
2257 | consider part of the string (including a '\0' which ends the string). */ | |
b4be9fad | 2258 | *bytes_read = bufptr - buffer->get (); |
ae6a3a4c TJB |
2259 | |
2260 | QUIT; | |
2261 | ||
ae6a3a4c TJB |
2262 | return errcode; |
2263 | } | |
2264 | ||
3b2b8fea TT |
2265 | /* Return true if print_wchar can display W without resorting to a |
2266 | numeric escape, false otherwise. */ | |
2267 | ||
2268 | static int | |
2269 | wchar_printable (gdb_wchar_t w) | |
2270 | { | |
2271 | return (gdb_iswprint (w) | |
2272 | || w == LCST ('\a') || w == LCST ('\b') | |
2273 | || w == LCST ('\f') || w == LCST ('\n') | |
2274 | || w == LCST ('\r') || w == LCST ('\t') | |
2275 | || w == LCST ('\v')); | |
2276 | } | |
2277 | ||
2278 | /* A helper function that converts the contents of STRING to wide | |
2279 | characters and then appends them to OUTPUT. */ | |
2280 | ||
2281 | static void | |
2282 | append_string_as_wide (const char *string, | |
2283 | struct obstack *output) | |
2284 | { | |
2285 | for (; *string; ++string) | |
2286 | { | |
2287 | gdb_wchar_t w = gdb_btowc (*string); | |
2288 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2289 | } | |
2290 | } | |
2291 | ||
2292 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2293 | original (target) bytes representing the character, ORIG_LEN is the | |
2294 | number of valid bytes. WIDTH is the number of bytes in a base | |
2295 | characters of the type. OUTPUT is an obstack to which wide | |
2296 | characters are emitted. QUOTER is a (narrow) character indicating | |
2297 | the style of quotes surrounding the character to be printed. | |
2298 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2299 | escapes across calls. */ | |
2300 | ||
2301 | static void | |
2302 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2303 | int orig_len, int width, | |
2304 | enum bfd_endian byte_order, | |
2305 | struct obstack *output, | |
2306 | int quoter, int *need_escapep) | |
2307 | { | |
2308 | int need_escape = *need_escapep; | |
2309 | ||
2310 | *need_escapep = 0; | |
3b2b8fea | 2311 | |
95c64f92 YQ |
2312 | /* iswprint implementation on Windows returns 1 for tab character. |
2313 | In order to avoid different printout on this host, we explicitly | |
2314 | use wchar_printable function. */ | |
2315 | switch (w) | |
3b2b8fea | 2316 | { |
95c64f92 YQ |
2317 | case LCST ('\a'): |
2318 | obstack_grow_wstr (output, LCST ("\\a")); | |
2319 | break; | |
2320 | case LCST ('\b'): | |
2321 | obstack_grow_wstr (output, LCST ("\\b")); | |
2322 | break; | |
2323 | case LCST ('\f'): | |
2324 | obstack_grow_wstr (output, LCST ("\\f")); | |
2325 | break; | |
2326 | case LCST ('\n'): | |
2327 | obstack_grow_wstr (output, LCST ("\\n")); | |
2328 | break; | |
2329 | case LCST ('\r'): | |
2330 | obstack_grow_wstr (output, LCST ("\\r")); | |
2331 | break; | |
2332 | case LCST ('\t'): | |
2333 | obstack_grow_wstr (output, LCST ("\\t")); | |
2334 | break; | |
2335 | case LCST ('\v'): | |
2336 | obstack_grow_wstr (output, LCST ("\\v")); | |
2337 | break; | |
2338 | default: | |
3b2b8fea | 2339 | { |
95c64f92 YQ |
2340 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2341 | && w != LCST ('8') | |
2342 | && w != LCST ('9')))) | |
2343 | { | |
2344 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2345 | |
95c64f92 YQ |
2346 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2347 | obstack_grow_wstr (output, LCST ("\\")); | |
2348 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2349 | } | |
2350 | else | |
2351 | { | |
2352 | int i; | |
3b2b8fea | 2353 | |
95c64f92 YQ |
2354 | for (i = 0; i + width <= orig_len; i += width) |
2355 | { | |
2356 | char octal[30]; | |
2357 | ULONGEST value; | |
2358 | ||
2359 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2360 | byte_order); |
95c64f92 YQ |
2361 | /* If the value fits in 3 octal digits, print it that |
2362 | way. Otherwise, print it as a hex escape. */ | |
2363 | if (value <= 0777) | |
2364 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2365 | (int) (value & 0777)); | |
2366 | else | |
2367 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2368 | append_string_as_wide (octal, output); | |
2369 | } | |
2370 | /* If we somehow have extra bytes, print them now. */ | |
2371 | while (i < orig_len) | |
2372 | { | |
2373 | char octal[5]; | |
2374 | ||
2375 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2376 | append_string_as_wide (octal, output); | |
2377 | ++i; | |
2378 | } | |
2379 | ||
2380 | *need_escapep = 1; | |
2381 | } | |
3b2b8fea TT |
2382 | break; |
2383 | } | |
2384 | } | |
2385 | } | |
2386 | ||
2387 | /* Print the character C on STREAM as part of the contents of a | |
2388 | literal string whose delimiter is QUOTER. ENCODING names the | |
2389 | encoding of C. */ | |
2390 | ||
2391 | void | |
2392 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2393 | int quoter, const char *encoding) | |
2394 | { | |
2395 | enum bfd_endian byte_order | |
2396 | = gdbarch_byte_order (get_type_arch (type)); | |
b926417a | 2397 | gdb_byte *c_buf; |
3b2b8fea TT |
2398 | int need_escape = 0; |
2399 | ||
b926417a TT |
2400 | c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
2401 | pack_long (c_buf, type, c); | |
3b2b8fea | 2402 | |
b926417a | 2403 | wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2404 | |
2405 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2406 | auto_obstack wchar_buf; |
3b2b8fea TT |
2407 | |
2408 | while (1) | |
2409 | { | |
2410 | int num_chars; | |
2411 | gdb_wchar_t *chars; | |
2412 | const gdb_byte *buf; | |
2413 | size_t buflen; | |
2414 | int print_escape = 1; | |
2415 | enum wchar_iterate_result result; | |
2416 | ||
cda6c55b | 2417 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2418 | if (num_chars < 0) |
2419 | break; | |
2420 | if (num_chars > 0) | |
2421 | { | |
2422 | /* If all characters are printable, print them. Otherwise, | |
2423 | we're going to have to print an escape sequence. We | |
2424 | check all characters because we want to print the target | |
2425 | bytes in the escape sequence, and we don't know character | |
2426 | boundaries there. */ | |
2427 | int i; | |
2428 | ||
2429 | print_escape = 0; | |
2430 | for (i = 0; i < num_chars; ++i) | |
2431 | if (!wchar_printable (chars[i])) | |
2432 | { | |
2433 | print_escape = 1; | |
2434 | break; | |
2435 | } | |
2436 | ||
2437 | if (!print_escape) | |
2438 | { | |
2439 | for (i = 0; i < num_chars; ++i) | |
2440 | print_wchar (chars[i], buf, buflen, | |
2441 | TYPE_LENGTH (type), byte_order, | |
2442 | &wchar_buf, quoter, &need_escape); | |
2443 | } | |
2444 | } | |
2445 | ||
2446 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2447 | if (print_escape) | |
2448 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2449 | byte_order, &wchar_buf, quoter, &need_escape); | |
2450 | } | |
2451 | ||
2452 | /* The output in the host encoding. */ | |
8268c778 | 2453 | auto_obstack output; |
3b2b8fea TT |
2454 | |
2455 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2456 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2457 | obstack_object_size (&wchar_buf), |
fff10684 | 2458 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2459 | obstack_1grow (&output, '\0'); |
2460 | ||
79f33898 | 2461 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2462 | } |
2463 | ||
0d63ecda KS |
2464 | /* Return the repeat count of the next character/byte in ITER, |
2465 | storing the result in VEC. */ | |
2466 | ||
2467 | static int | |
cda6c55b | 2468 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2469 | std::vector<converted_character> *vec) |
0d63ecda KS |
2470 | { |
2471 | struct converted_character *current; | |
2472 | ||
b01ba14d | 2473 | if (vec->empty ()) |
0d63ecda KS |
2474 | { |
2475 | struct converted_character tmp; | |
2476 | gdb_wchar_t *chars; | |
2477 | ||
2478 | tmp.num_chars | |
cda6c55b | 2479 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2480 | if (tmp.num_chars > 0) |
2481 | { | |
2482 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2483 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2484 | } | |
b01ba14d | 2485 | vec->push_back (tmp); |
0d63ecda KS |
2486 | } |
2487 | ||
b01ba14d | 2488 | current = &vec->back (); |
0d63ecda KS |
2489 | |
2490 | /* Count repeated characters or bytes. */ | |
2491 | current->repeat_count = 1; | |
2492 | if (current->num_chars == -1) | |
2493 | { | |
2494 | /* EOF */ | |
2495 | return -1; | |
2496 | } | |
2497 | else | |
2498 | { | |
2499 | gdb_wchar_t *chars; | |
2500 | struct converted_character d; | |
2501 | int repeat; | |
2502 | ||
2503 | d.repeat_count = 0; | |
2504 | ||
2505 | while (1) | |
2506 | { | |
2507 | /* Get the next character. */ | |
cda6c55b | 2508 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2509 | |
2510 | /* If a character was successfully converted, save the character | |
2511 | into the converted character. */ | |
2512 | if (d.num_chars > 0) | |
2513 | { | |
2514 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2515 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2516 | } | |
2517 | ||
2518 | /* Determine if the current character is the same as this | |
2519 | new character. */ | |
2520 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2521 | { | |
2522 | /* There are two cases to consider: | |
2523 | ||
2524 | 1) Equality of converted character (num_chars > 0) | |
2525 | 2) Equality of non-converted character (num_chars == 0) */ | |
2526 | if ((current->num_chars > 0 | |
2527 | && memcmp (current->chars, d.chars, | |
2528 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2529 | || (current->num_chars == 0 | |
2530 | && current->buflen == d.buflen | |
2531 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2532 | ++current->repeat_count; | |
2533 | else | |
2534 | break; | |
2535 | } | |
2536 | else | |
2537 | break; | |
2538 | } | |
2539 | ||
2540 | /* Push this next converted character onto the result vector. */ | |
2541 | repeat = current->repeat_count; | |
b01ba14d | 2542 | vec->push_back (d); |
0d63ecda KS |
2543 | return repeat; |
2544 | } | |
2545 | } | |
2546 | ||
2547 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2548 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2549 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2550 | is the user's print options. */ |
2551 | ||
2552 | static void | |
2553 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2554 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2555 | int quote_char, int width, |
2556 | enum bfd_endian byte_order, | |
2557 | const struct value_print_options *options) | |
2558 | { | |
2559 | unsigned int idx; | |
b01ba14d | 2560 | const converted_character *elem; |
0d63ecda KS |
2561 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2562 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2563 | int need_escape = 0; | |
2564 | ||
2565 | /* Set the start state. */ | |
2566 | idx = 0; | |
2567 | last = state = START; | |
2568 | elem = NULL; | |
2569 | ||
2570 | while (1) | |
2571 | { | |
2572 | switch (state) | |
2573 | { | |
2574 | case START: | |
2575 | /* Nothing to do. */ | |
2576 | break; | |
2577 | ||
2578 | case SINGLE: | |
2579 | { | |
2580 | int j; | |
2581 | ||
2582 | /* We are outputting a single character | |
2583 | (< options->repeat_count_threshold). */ | |
2584 | ||
2585 | if (last != SINGLE) | |
2586 | { | |
2587 | /* We were outputting some other type of content, so we | |
2588 | must output and a comma and a quote. */ | |
2589 | if (last != START) | |
2590 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2591 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2592 | } | |
2593 | /* Output the character. */ | |
2594 | for (j = 0; j < elem->repeat_count; ++j) | |
2595 | { | |
2596 | if (elem->result == wchar_iterate_ok) | |
2597 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2598 | byte_order, obstack, quote_char, &need_escape); | |
2599 | else | |
2600 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2601 | byte_order, obstack, quote_char, &need_escape); | |
2602 | } | |
2603 | } | |
2604 | break; | |
2605 | ||
2606 | case REPEAT: | |
2607 | { | |
2608 | int j; | |
0d63ecda KS |
2609 | |
2610 | /* We are outputting a character with a repeat count | |
2611 | greater than options->repeat_count_threshold. */ | |
2612 | ||
2613 | if (last == SINGLE) | |
2614 | { | |
2615 | /* We were outputting a single string. Terminate the | |
2616 | string. */ | |
0d63ecda KS |
2617 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2618 | } | |
2619 | if (last != START) | |
2620 | obstack_grow_wstr (obstack, LCST (", ")); | |
2621 | ||
2622 | /* Output the character and repeat string. */ | |
2623 | obstack_grow_wstr (obstack, LCST ("'")); | |
2624 | if (elem->result == wchar_iterate_ok) | |
2625 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2626 | byte_order, obstack, quote_char, &need_escape); | |
2627 | else | |
2628 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2629 | byte_order, obstack, quote_char, &need_escape); | |
2630 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2631 | std::string s = string_printf (_(" <repeats %u times>"), |
2632 | elem->repeat_count); | |
0d63ecda KS |
2633 | for (j = 0; s[j]; ++j) |
2634 | { | |
2635 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2636 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2637 | } | |
0d63ecda KS |
2638 | } |
2639 | break; | |
2640 | ||
2641 | case INCOMPLETE: | |
2642 | /* We are outputting an incomplete sequence. */ | |
2643 | if (last == SINGLE) | |
2644 | { | |
2645 | /* If we were outputting a string of SINGLE characters, | |
2646 | terminate the quote. */ | |
0d63ecda KS |
2647 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2648 | } | |
2649 | if (last != START) | |
2650 | obstack_grow_wstr (obstack, LCST (", ")); | |
2651 | ||
2652 | /* Output the incomplete sequence string. */ | |
2653 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2654 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2655 | obstack, 0, &need_escape); | |
2656 | obstack_grow_wstr (obstack, LCST (">")); | |
2657 | ||
2658 | /* We do not attempt to outupt anything after this. */ | |
2659 | state = FINISH; | |
2660 | break; | |
2661 | ||
2662 | case FINISH: | |
2663 | /* All done. If we were outputting a string of SINGLE | |
2664 | characters, the string must be terminated. Otherwise, | |
2665 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2666 | if (last == SINGLE) | |
e93a8774 | 2667 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2668 | |
2669 | return; | |
2670 | } | |
2671 | ||
2672 | /* Get the next element and state. */ | |
2673 | last = state; | |
2674 | if (state != FINISH) | |
2675 | { | |
b01ba14d | 2676 | elem = &chars[idx++]; |
0d63ecda KS |
2677 | switch (elem->result) |
2678 | { | |
2679 | case wchar_iterate_ok: | |
2680 | case wchar_iterate_invalid: | |
2681 | if (elem->repeat_count > options->repeat_count_threshold) | |
2682 | state = REPEAT; | |
2683 | else | |
2684 | state = SINGLE; | |
2685 | break; | |
2686 | ||
2687 | case wchar_iterate_incomplete: | |
2688 | state = INCOMPLETE; | |
2689 | break; | |
2690 | ||
2691 | case wchar_iterate_eof: | |
2692 | state = FINISH; | |
2693 | break; | |
2694 | } | |
2695 | } | |
2696 | } | |
2697 | } | |
2698 | ||
3b2b8fea TT |
2699 | /* Print the character string STRING, printing at most LENGTH |
2700 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2701 | the type of each character. OPTIONS holds the printing options; | |
2702 | printing stops early if the number hits print_max; repeat counts | |
2703 | are printed as appropriate. Print ellipses at the end if we had to | |
2704 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2705 | QUOTE_CHAR is the character to print at each end of the string. If | |
2706 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2707 | omitted. */ | |
2708 | ||
2709 | void | |
2710 | generic_printstr (struct ui_file *stream, struct type *type, | |
2711 | const gdb_byte *string, unsigned int length, | |
2712 | const char *encoding, int force_ellipses, | |
2713 | int quote_char, int c_style_terminator, | |
2714 | const struct value_print_options *options) | |
2715 | { | |
2716 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
2717 | unsigned int i; | |
3b2b8fea | 2718 | int width = TYPE_LENGTH (type); |
3b2b8fea | 2719 | int finished = 0; |
0d63ecda | 2720 | struct converted_character *last; |
3b2b8fea TT |
2721 | |
2722 | if (length == -1) | |
2723 | { | |
2724 | unsigned long current_char = 1; | |
2725 | ||
2726 | for (i = 0; current_char; ++i) | |
2727 | { | |
2728 | QUIT; | |
2729 | current_char = extract_unsigned_integer (string + i * width, | |
2730 | width, byte_order); | |
2731 | } | |
2732 | length = i; | |
2733 | } | |
2734 | ||
2735 | /* If the string was not truncated due to `set print elements', and | |
2736 | the last byte of it is a null, we don't print that, in | |
2737 | traditional C style. */ | |
2738 | if (c_style_terminator | |
2739 | && !force_ellipses | |
2740 | && length > 0 | |
2741 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2742 | width, byte_order) == 0)) | |
2743 | length--; | |
2744 | ||
2745 | if (length == 0) | |
2746 | { | |
2747 | fputs_filtered ("\"\"", stream); | |
2748 | return; | |
2749 | } | |
2750 | ||
2751 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2752 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2753 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2754 | |
0d63ecda KS |
2755 | /* Convert characters until the string is over or the maximum |
2756 | number of printed characters has been reached. */ | |
2757 | i = 0; | |
2758 | while (i < options->print_max) | |
3b2b8fea | 2759 | { |
0d63ecda | 2760 | int r; |
3b2b8fea TT |
2761 | |
2762 | QUIT; | |
2763 | ||
0d63ecda | 2764 | /* Grab the next character and repeat count. */ |
cda6c55b | 2765 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2766 | |
0d63ecda KS |
2767 | /* If less than zero, the end of the input string was reached. */ |
2768 | if (r < 0) | |
2769 | break; | |
3b2b8fea | 2770 | |
0d63ecda KS |
2771 | /* Otherwise, add the count to the total print count and get |
2772 | the next character. */ | |
2773 | i += r; | |
2774 | } | |
3b2b8fea | 2775 | |
0d63ecda KS |
2776 | /* Get the last element and determine if the entire string was |
2777 | processed. */ | |
b01ba14d | 2778 | last = &converted_chars.back (); |
0d63ecda | 2779 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2780 | |
0d63ecda KS |
2781 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2782 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2783 | |
0d63ecda KS |
2784 | /* WCHAR_BUF is the obstack we use to represent the string in |
2785 | wchar_t form. */ | |
8268c778 | 2786 | auto_obstack wchar_buf; |
3b2b8fea | 2787 | |
0d63ecda KS |
2788 | /* Print the output string to the obstack. */ |
2789 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2790 | width, byte_order, options); | |
3b2b8fea TT |
2791 | |
2792 | if (force_ellipses || !finished) | |
2793 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2794 | ||
2795 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2796 | auto_obstack output; |
3b2b8fea TT |
2797 | |
2798 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2799 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2800 | obstack_object_size (&wchar_buf), |
fff10684 | 2801 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2802 | obstack_1grow (&output, '\0'); |
2803 | ||
79f33898 | 2804 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2805 | } |
2806 | ||
ae6a3a4c TJB |
2807 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2808 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2809 | stops at the first null byte, otherwise printing proceeds (including null | |
2810 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2811 | whichever is smaller. ENCODING is the name of the string's |
2812 | encoding. It can be NULL, in which case the target encoding is | |
2813 | assumed. */ | |
ae6a3a4c TJB |
2814 | |
2815 | int | |
09ca9e2e TT |
2816 | val_print_string (struct type *elttype, const char *encoding, |
2817 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2818 | struct ui_file *stream, |
ae6a3a4c TJB |
2819 | const struct value_print_options *options) |
2820 | { | |
2821 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2822 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2823 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2824 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2825 | int bytes_read; | |
b4be9fad | 2826 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
5af949e3 | 2827 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 2828 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 2829 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2830 | |
2831 | /* First we need to figure out the limit on the number of characters we are | |
2832 | going to attempt to fetch and print. This is actually pretty simple. If | |
2833 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2834 | LEN is -1, then the limit is print_max. This is true regardless of | |
2835 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2836 | because finding the null byte (or available memory) is what actually | |
2837 | limits the fetch. */ | |
2838 | ||
325fac50 PA |
2839 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2840 | options->print_max)); | |
ae6a3a4c | 2841 | |
d09f2c3f PA |
2842 | err = read_string (addr, len, width, fetchlimit, byte_order, |
2843 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2844 | |
2845 | addr += bytes_read; | |
c906108c | 2846 | |
3e43a32a MS |
2847 | /* We now have either successfully filled the buffer to fetchlimit, |
2848 | or terminated early due to an error or finding a null char when | |
2849 | LEN is -1. */ | |
ae6a3a4c TJB |
2850 | |
2851 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2852 | found_nul = 0; |
2853 | if (bytes_read >= width) | |
b4be9fad TT |
2854 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2855 | width, byte_order) == 0; | |
c906108c SS |
2856 | if (len == -1 && !found_nul) |
2857 | { | |
777ea8f1 | 2858 | gdb_byte *peekbuf; |
c906108c | 2859 | |
ae6a3a4c | 2860 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2861 | to peek at the next character. If not successful, or it is not |
2862 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2863 | |
777ea8f1 | 2864 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2865 | |
2866 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2867 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2868 | force_ellipsis = 1; |
2869 | } | |
d09f2c3f | 2870 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2871 | { |
2872 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2873 | than the number of characters actually requested, always make us |
ae6a3a4c | 2874 | print ellipsis. */ |
c906108c SS |
2875 | force_ellipsis = 1; |
2876 | } | |
2877 | ||
c906108c SS |
2878 | /* If we get an error before fetching anything, don't print a string. |
2879 | But if we fetch something and then get an error, print the string | |
2880 | and then the error message. */ | |
d09f2c3f | 2881 | if (err == 0 || bytes_read > 0) |
c906108c | 2882 | { |
b4be9fad | 2883 | LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width, |
3a772aa4 | 2884 | encoding, force_ellipsis, options); |
c906108c SS |
2885 | } |
2886 | ||
d09f2c3f | 2887 | if (err != 0) |
c906108c | 2888 | { |
1ccbe998 | 2889 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 PA |
2890 | |
2891 | fprintf_filtered (stream, "<error: "); | |
1ccbe998 | 2892 | fputs_filtered (str.c_str (), stream); |
578d3588 | 2893 | fprintf_filtered (stream, ">"); |
c906108c | 2894 | } |
ae6a3a4c | 2895 | |
ae6a3a4c | 2896 | return (bytes_read / width); |
c906108c | 2897 | } |
2e62ab40 AB |
2898 | |
2899 | /* Handle 'show print max-depth'. */ | |
2900 | ||
2901 | static void | |
2902 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2903 | struct cmd_list_element *c, const char *value) | |
2904 | { | |
2905 | fprintf_filtered (file, _("Maximum print depth is %s.\n"), value); | |
2906 | } | |
c906108c | 2907 | \f |
c5aa993b | 2908 | |
09e6485f PA |
2909 | /* The 'set input-radix' command writes to this auxiliary variable. |
2910 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2911 | it is left unchanged. */ | |
2912 | ||
2913 | static unsigned input_radix_1 = 10; | |
2914 | ||
c906108c SS |
2915 | /* Validate an input or output radix setting, and make sure the user |
2916 | knows what they really did here. Radix setting is confusing, e.g. | |
2917 | setting the input radix to "10" never changes it! */ | |
2918 | ||
c906108c | 2919 | static void |
eb4c3f4a | 2920 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2921 | { |
09e6485f | 2922 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2923 | } |
2924 | ||
c906108c | 2925 | static void |
fba45db2 | 2926 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2927 | { |
2928 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2929 | make any mathematical sense. In theory, we can deal with any input | |
2930 | radix greater than 1, even if we don't have unique digits for every | |
2931 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2932 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2933 | (FIXME). */ |
c906108c SS |
2934 | |
2935 | if (radix < 2) | |
2936 | { | |
09e6485f | 2937 | input_radix_1 = input_radix; |
8a3fe4f8 | 2938 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2939 | radix); |
2940 | } | |
09e6485f | 2941 | input_radix_1 = input_radix = radix; |
c906108c SS |
2942 | if (from_tty) |
2943 | { | |
3e43a32a MS |
2944 | printf_filtered (_("Input radix now set to " |
2945 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2946 | radix, radix, radix); |
2947 | } | |
2948 | } | |
2949 | ||
09e6485f PA |
2950 | /* The 'set output-radix' command writes to this auxiliary variable. |
2951 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2952 | otherwise, it is left unchanged. */ | |
2953 | ||
2954 | static unsigned output_radix_1 = 10; | |
2955 | ||
c906108c | 2956 | static void |
eb4c3f4a | 2957 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2958 | { |
09e6485f | 2959 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2960 | } |
2961 | ||
2962 | static void | |
fba45db2 | 2963 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2964 | { |
2965 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2966 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2967 | switch (radix) |
2968 | { | |
2969 | case 16: | |
79a45b7d | 2970 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2971 | break; |
2972 | case 10: | |
79a45b7d | 2973 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2974 | break; |
2975 | case 8: | |
79a45b7d | 2976 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2977 | break; |
2978 | default: | |
09e6485f | 2979 | output_radix_1 = output_radix; |
3e43a32a MS |
2980 | error (_("Unsupported output radix ``decimal %u''; " |
2981 | "output radix unchanged."), | |
c906108c SS |
2982 | radix); |
2983 | } | |
09e6485f | 2984 | output_radix_1 = output_radix = radix; |
c906108c SS |
2985 | if (from_tty) |
2986 | { | |
3e43a32a MS |
2987 | printf_filtered (_("Output radix now set to " |
2988 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2989 | radix, radix, radix); |
2990 | } | |
2991 | } | |
2992 | ||
2993 | /* Set both the input and output radix at once. Try to set the output radix | |
2994 | first, since it has the most restrictive range. An radix that is valid as | |
2995 | an output radix is also valid as an input radix. | |
2996 | ||
2997 | It may be useful to have an unusual input radix. If the user wishes to | |
2998 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2999 | the 'set input-radix' command. */ |
c906108c SS |
3000 | |
3001 | static void | |
b0a8e6c4 | 3002 | set_radix (const char *arg, int from_tty) |
c906108c SS |
3003 | { |
3004 | unsigned radix; | |
3005 | ||
bb518678 | 3006 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
3007 | set_output_radix_1 (0, radix); |
3008 | set_input_radix_1 (0, radix); | |
3009 | if (from_tty) | |
3010 | { | |
3e43a32a MS |
3011 | printf_filtered (_("Input and output radices now set to " |
3012 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3013 | radix, radix, radix); |
3014 | } | |
3015 | } | |
3016 | ||
581e13c1 | 3017 | /* Show both the input and output radices. */ |
c906108c | 3018 | |
c906108c | 3019 | static void |
b0a8e6c4 | 3020 | show_radix (const char *arg, int from_tty) |
c906108c SS |
3021 | { |
3022 | if (from_tty) | |
3023 | { | |
3024 | if (input_radix == output_radix) | |
3025 | { | |
3e43a32a MS |
3026 | printf_filtered (_("Input and output radices set to " |
3027 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3028 | input_radix, input_radix, input_radix); |
3029 | } | |
3030 | else | |
3031 | { | |
3e43a32a MS |
3032 | printf_filtered (_("Input radix set to decimal " |
3033 | "%u, hex %x, octal %o.\n"), | |
c906108c | 3034 | input_radix, input_radix, input_radix); |
3e43a32a MS |
3035 | printf_filtered (_("Output radix set to decimal " |
3036 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
3037 | output_radix, output_radix, output_radix); |
3038 | } | |
3039 | } | |
3040 | } | |
c906108c | 3041 | \f |
c5aa993b | 3042 | |
c906108c | 3043 | static void |
981a3fb3 | 3044 | set_print (const char *arg, int from_tty) |
c906108c SS |
3045 | { |
3046 | printf_unfiltered ( | |
c5aa993b | 3047 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
635c7e8a | 3048 | help_list (setprintlist, "set print ", all_commands, gdb_stdout); |
c906108c SS |
3049 | } |
3050 | ||
c906108c | 3051 | static void |
981a3fb3 | 3052 | show_print (const char *args, int from_tty) |
c906108c SS |
3053 | { |
3054 | cmd_show_list (showprintlist, from_tty, ""); | |
3055 | } | |
e7045703 DE |
3056 | |
3057 | static void | |
981a3fb3 | 3058 | set_print_raw (const char *arg, int from_tty) |
e7045703 DE |
3059 | { |
3060 | printf_unfiltered ( | |
3061 | "\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n"); | |
635c7e8a | 3062 | help_list (setprintrawlist, "set print raw ", all_commands, gdb_stdout); |
e7045703 DE |
3063 | } |
3064 | ||
3065 | static void | |
981a3fb3 | 3066 | show_print_raw (const char *args, int from_tty) |
e7045703 DE |
3067 | { |
3068 | cmd_show_list (showprintrawlist, from_tty, ""); | |
3069 | } | |
3070 | ||
c906108c SS |
3071 | \f |
3072 | void | |
fba45db2 | 3073 | _initialize_valprint (void) |
c906108c | 3074 | { |
c906108c | 3075 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 3076 | _("Generic command for setting how things print."), |
c906108c | 3077 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 3078 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3079 | /* Prefer set print to set prompt. */ |
c906108c SS |
3080 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3081 | ||
3082 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 3083 | _("Generic command for showing print settings."), |
c906108c | 3084 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
3085 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3086 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3087 | |
e7045703 DE |
3088 | add_prefix_cmd ("raw", no_class, set_print_raw, |
3089 | _("\ | |
3090 | Generic command for setting what things to print in \"raw\" mode."), | |
3091 | &setprintrawlist, "set print raw ", 0, &setprintlist); | |
3092 | add_prefix_cmd ("raw", no_class, show_print_raw, | |
3093 | _("Generic command for showing \"print raw\" settings."), | |
3094 | &showprintrawlist, "show print raw ", 0, &showprintlist); | |
3095 | ||
79a45b7d TT |
3096 | add_setshow_uinteger_cmd ("elements", no_class, |
3097 | &user_print_options.print_max, _("\ | |
35096d9d AC |
3098 | Set limit on string chars or array elements to print."), _("\ |
3099 | Show limit on string chars or array elements to print."), _("\ | |
f81d1120 | 3100 | \"set print elements unlimited\" causes there to be no limit."), |
35096d9d | 3101 | NULL, |
920d2a44 | 3102 | show_print_max, |
35096d9d | 3103 | &setprintlist, &showprintlist); |
c906108c | 3104 | |
79a45b7d TT |
3105 | add_setshow_boolean_cmd ("null-stop", no_class, |
3106 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
3107 | Set printing of char arrays to stop at first null char."), _("\ |
3108 | Show printing of char arrays to stop at first null char."), NULL, | |
3109 | NULL, | |
920d2a44 | 3110 | show_stop_print_at_null, |
5bf193a2 | 3111 | &setprintlist, &showprintlist); |
c906108c | 3112 | |
35096d9d | 3113 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 3114 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
3115 | Set threshold for repeated print elements."), _("\ |
3116 | Show threshold for repeated print elements."), _("\ | |
f81d1120 | 3117 | \"set print repeats unlimited\" causes all elements to be individually printed."), |
35096d9d | 3118 | NULL, |
920d2a44 | 3119 | show_repeat_count_threshold, |
35096d9d | 3120 | &setprintlist, &showprintlist); |
c906108c | 3121 | |
79a45b7d | 3122 | add_setshow_boolean_cmd ("pretty", class_support, |
2a998fc0 DE |
3123 | &user_print_options.prettyformat_structs, _("\ |
3124 | Set pretty formatting of structures."), _("\ | |
3125 | Show pretty formatting of structures."), NULL, | |
5bf193a2 | 3126 | NULL, |
2a998fc0 | 3127 | show_prettyformat_structs, |
5bf193a2 AC |
3128 | &setprintlist, &showprintlist); |
3129 | ||
79a45b7d TT |
3130 | add_setshow_boolean_cmd ("union", class_support, |
3131 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
3132 | Set printing of unions interior to structures."), _("\ |
3133 | Show printing of unions interior to structures."), NULL, | |
3134 | NULL, | |
920d2a44 | 3135 | show_unionprint, |
5bf193a2 AC |
3136 | &setprintlist, &showprintlist); |
3137 | ||
79a45b7d | 3138 | add_setshow_boolean_cmd ("array", class_support, |
2a998fc0 DE |
3139 | &user_print_options.prettyformat_arrays, _("\ |
3140 | Set pretty formatting of arrays."), _("\ | |
3141 | Show pretty formatting of arrays."), NULL, | |
5bf193a2 | 3142 | NULL, |
2a998fc0 | 3143 | show_prettyformat_arrays, |
5bf193a2 AC |
3144 | &setprintlist, &showprintlist); |
3145 | ||
79a45b7d TT |
3146 | add_setshow_boolean_cmd ("address", class_support, |
3147 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
3148 | Set printing of addresses."), _("\ |
3149 | Show printing of addresses."), NULL, | |
3150 | NULL, | |
920d2a44 | 3151 | show_addressprint, |
5bf193a2 | 3152 | &setprintlist, &showprintlist); |
c906108c | 3153 | |
9cb709b6 TT |
3154 | add_setshow_boolean_cmd ("symbol", class_support, |
3155 | &user_print_options.symbol_print, _("\ | |
3156 | Set printing of symbol names when printing pointers."), _("\ | |
3157 | Show printing of symbol names when printing pointers."), | |
3158 | NULL, NULL, | |
3159 | show_symbol_print, | |
3160 | &setprintlist, &showprintlist); | |
3161 | ||
1e8fb976 PA |
3162 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3163 | _("\ | |
35096d9d AC |
3164 | Set default input radix for entering numbers."), _("\ |
3165 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3166 | set_input_radix, |
3167 | show_input_radix, | |
3168 | &setlist, &showlist); | |
35096d9d | 3169 | |
1e8fb976 PA |
3170 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3171 | _("\ | |
35096d9d AC |
3172 | Set default output radix for printing of values."), _("\ |
3173 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3174 | set_output_radix, |
3175 | show_output_radix, | |
3176 | &setlist, &showlist); | |
c906108c | 3177 | |
cb1a6d5f AC |
3178 | /* The "set radix" and "show radix" commands are special in that |
3179 | they are like normal set and show commands but allow two normally | |
3180 | independent variables to be either set or shown with a single | |
b66df561 | 3181 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3182 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3183 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3184 | longer true - show can display anything. */ | |
1a966eab AC |
3185 | add_cmd ("radix", class_support, set_radix, _("\ |
3186 | Set default input and output number radices.\n\ | |
c906108c | 3187 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3188 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3189 | &setlist); |
1a966eab AC |
3190 | add_cmd ("radix", class_support, show_radix, _("\ |
3191 | Show the default input and output number radices.\n\ | |
3192 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
3193 | &showlist); |
3194 | ||
e79af960 | 3195 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 3196 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
3197 | Set printing of array indexes."), _("\ |
3198 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
3199 | &setprintlist, &showprintlist); | |
2e62ab40 AB |
3200 | |
3201 | add_setshow_zuinteger_unlimited_cmd ("max-depth", class_support, | |
3202 | &user_print_options.max_depth, _("\ | |
3203 | Set maximum print depth for nested structures, unions and arrays."), _("\ | |
3204 | Show maximum print depth for nested structures, unions, and arrays."), _("\ | |
3205 | When structures, unions, or arrays are nested beyond this depth then they\n\ | |
3206 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
3207 | Use 'set print max-depth unlimited' to print the complete structure."), | |
3208 | NULL, show_print_max_depth, | |
3209 | &setprintlist, &showprintlist); | |
c906108c | 3210 | } |