Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 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> |
268a13a5 | 38 | #include "gdbsupport/byte-vector.h" |
7d8062de | 39 | #include "cli/cli-option.h" |
0d12e84c | 40 | #include "gdbarch.h" |
7f6aba03 | 41 | #include "cli/cli-style.h" |
edd45eb0 | 42 | #include "count-one-bits.h" |
c906108c | 43 | |
0d63ecda KS |
44 | /* Maximum number of wchars returned from wchar_iterate. */ |
45 | #define MAX_WCHARS 4 | |
46 | ||
47 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
48 | characters. */ | |
49 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
50 | ||
51 | /* Character buffer size saved while iterating over wchars. */ | |
52 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
53 | ||
54 | /* A structure to encapsulate state information from iterated | |
55 | character conversions. */ | |
56 | struct converted_character | |
57 | { | |
58 | /* The number of characters converted. */ | |
59 | int num_chars; | |
60 | ||
61 | /* The result of the conversion. See charset.h for more. */ | |
62 | enum wchar_iterate_result result; | |
63 | ||
64 | /* The (saved) converted character(s). */ | |
65 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
66 | ||
67 | /* The first converted target byte. */ | |
68 | const gdb_byte *buf; | |
69 | ||
70 | /* The number of bytes converted. */ | |
71 | size_t buflen; | |
72 | ||
73 | /* How many times this character(s) is repeated. */ | |
74 | int repeat_count; | |
75 | }; | |
76 | ||
e7045703 DE |
77 | /* Command lists for set/show print raw. */ |
78 | struct cmd_list_element *setprintrawlist; | |
79 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 80 | |
c906108c SS |
81 | /* Prototypes for local functions */ |
82 | ||
777ea8f1 | 83 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 84 | int len, int *errptr); |
917317f4 | 85 | |
a14ed312 | 86 | static void set_input_radix_1 (int, unsigned); |
c906108c | 87 | |
a14ed312 | 88 | static void set_output_radix_1 (int, unsigned); |
c906108c | 89 | |
81516450 DE |
90 | static void val_print_type_code_flags (struct type *type, |
91 | const gdb_byte *valaddr, | |
92 | struct ui_file *stream); | |
93 | ||
581e13c1 | 94 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
2e62ab40 | 95 | #define PRINT_MAX_DEPTH_DEFAULT 20 /* Start print_max_depth off at this value. */ |
79a45b7d TT |
96 | |
97 | struct value_print_options user_print_options = | |
98 | { | |
2a998fc0 DE |
99 | Val_prettyformat_default, /* prettyformat */ |
100 | 0, /* prettyformat_arrays */ | |
101 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
102 | 0, /* vtblprint */ |
103 | 1, /* unionprint */ | |
104 | 1, /* addressprint */ | |
105 | 0, /* objectprint */ | |
106 | PRINT_MAX_DEFAULT, /* print_max */ | |
107 | 10, /* repeat_count_threshold */ | |
108 | 0, /* output_format */ | |
109 | 0, /* format */ | |
110 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
111 | 0, /* print_array_indexes */ |
112 | 0, /* deref_ref */ | |
113 | 1, /* static_field_print */ | |
a6bac58e TT |
114 | 1, /* pascal_static_field_print */ |
115 | 0, /* raw */ | |
9cb709b6 | 116 | 0, /* summary */ |
2e62ab40 | 117 | 1, /* symbol_print */ |
000439d5 TT |
118 | PRINT_MAX_DEPTH_DEFAULT, /* max_depth */ |
119 | 1 /* finish_print */ | |
79a45b7d TT |
120 | }; |
121 | ||
122 | /* Initialize *OPTS to be a copy of the user print options. */ | |
123 | void | |
124 | get_user_print_options (struct value_print_options *opts) | |
125 | { | |
126 | *opts = user_print_options; | |
127 | } | |
128 | ||
129 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 130 | pretty-formatting disabled. */ |
79a45b7d | 131 | void |
2a998fc0 | 132 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
133 | { |
134 | *opts = user_print_options; | |
2a998fc0 | 135 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
136 | } |
137 | ||
138 | /* Initialize *OPTS to be a copy of the user print options, but using | |
139 | FORMAT as the formatting option. */ | |
140 | void | |
141 | get_formatted_print_options (struct value_print_options *opts, | |
142 | char format) | |
143 | { | |
144 | *opts = user_print_options; | |
145 | opts->format = format; | |
146 | } | |
147 | ||
920d2a44 AC |
148 | static void |
149 | show_print_max (struct ui_file *file, int from_tty, | |
150 | struct cmd_list_element *c, const char *value) | |
151 | { | |
3e43a32a MS |
152 | fprintf_filtered (file, |
153 | _("Limit on string chars or array " | |
154 | "elements to print is %s.\n"), | |
920d2a44 AC |
155 | value); |
156 | } | |
157 | ||
c906108c SS |
158 | |
159 | /* Default input and output radixes, and output format letter. */ | |
160 | ||
161 | unsigned input_radix = 10; | |
920d2a44 AC |
162 | static void |
163 | show_input_radix (struct ui_file *file, int from_tty, | |
164 | struct cmd_list_element *c, const char *value) | |
165 | { | |
3e43a32a MS |
166 | fprintf_filtered (file, |
167 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
168 | value); |
169 | } | |
170 | ||
c906108c | 171 | unsigned output_radix = 10; |
920d2a44 AC |
172 | static void |
173 | show_output_radix (struct ui_file *file, int from_tty, | |
174 | struct cmd_list_element *c, const char *value) | |
175 | { | |
3e43a32a MS |
176 | fprintf_filtered (file, |
177 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
178 | value); |
179 | } | |
c906108c | 180 | |
e79af960 JB |
181 | /* By default we print arrays without printing the index of each element in |
182 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
183 | ||
e79af960 JB |
184 | static void |
185 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
186 | struct cmd_list_element *c, const char *value) | |
187 | { | |
188 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
189 | } | |
190 | ||
c906108c SS |
191 | /* Print repeat counts if there are more than this many repetitions of an |
192 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 193 | print routines. */ |
c906108c | 194 | |
920d2a44 AC |
195 | static void |
196 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
197 | struct cmd_list_element *c, const char *value) | |
198 | { | |
199 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
200 | value); | |
201 | } | |
c906108c | 202 | |
581e13c1 | 203 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 204 | |
920d2a44 AC |
205 | static void |
206 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
207 | struct cmd_list_element *c, const char *value) | |
208 | { | |
3e43a32a MS |
209 | fprintf_filtered (file, |
210 | _("Printing of char arrays to stop " | |
211 | "at first null char is %s.\n"), | |
920d2a44 AC |
212 | value); |
213 | } | |
c906108c | 214 | |
581e13c1 | 215 | /* Controls pretty printing of structures. */ |
c906108c | 216 | |
920d2a44 | 217 | static void |
2a998fc0 | 218 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
219 | struct cmd_list_element *c, const char *value) |
220 | { | |
2a998fc0 | 221 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 222 | } |
c906108c SS |
223 | |
224 | /* Controls pretty printing of arrays. */ | |
225 | ||
920d2a44 | 226 | static void |
2a998fc0 | 227 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
228 | struct cmd_list_element *c, const char *value) |
229 | { | |
2a998fc0 | 230 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 231 | } |
c906108c SS |
232 | |
233 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 234 | printed. */ |
c906108c | 235 | |
920d2a44 AC |
236 | static void |
237 | show_unionprint (struct ui_file *file, int from_tty, | |
238 | struct cmd_list_element *c, const char *value) | |
239 | { | |
3e43a32a MS |
240 | fprintf_filtered (file, |
241 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
242 | value); |
243 | } | |
c906108c | 244 | |
581e13c1 | 245 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 246 | |
920d2a44 AC |
247 | static void |
248 | show_addressprint (struct ui_file *file, int from_tty, | |
249 | struct cmd_list_element *c, const char *value) | |
250 | { | |
251 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
252 | } | |
9cb709b6 TT |
253 | |
254 | static void | |
255 | show_symbol_print (struct ui_file *file, int from_tty, | |
256 | struct cmd_list_element *c, const char *value) | |
257 | { | |
258 | fprintf_filtered (file, | |
259 | _("Printing of symbols when printing pointers is %s.\n"), | |
260 | value); | |
261 | } | |
262 | ||
c906108c | 263 | \f |
c5aa993b | 264 | |
a6bac58e TT |
265 | /* A helper function for val_print. When printing in "summary" mode, |
266 | we want to print scalar arguments, but not aggregate arguments. | |
267 | This function distinguishes between the two. */ | |
268 | ||
6211c335 YQ |
269 | int |
270 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 271 | { |
f168693b | 272 | type = check_typedef (type); |
aa006118 | 273 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e TT |
274 | { |
275 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 276 | type = check_typedef (type); |
a6bac58e TT |
277 | } |
278 | switch (TYPE_CODE (type)) | |
279 | { | |
280 | case TYPE_CODE_ARRAY: | |
281 | case TYPE_CODE_STRUCT: | |
282 | case TYPE_CODE_UNION: | |
283 | case TYPE_CODE_SET: | |
284 | case TYPE_CODE_STRING: | |
a6bac58e TT |
285 | return 0; |
286 | default: | |
287 | return 1; | |
288 | } | |
289 | } | |
290 | ||
2e62ab40 AB |
291 | /* A helper function for val_print. When printing with limited depth we |
292 | want to print string and scalar arguments, but not aggregate arguments. | |
293 | This function distinguishes between the two. */ | |
294 | ||
295 | static bool | |
296 | val_print_scalar_or_string_type_p (struct type *type, | |
297 | const struct language_defn *language) | |
298 | { | |
299 | return (val_print_scalar_type_p (type) | |
300 | || language->la_is_string_type_p (type)); | |
301 | } | |
302 | ||
a72c8f6a | 303 | /* See its definition in value.h. */ |
0e03807e | 304 | |
a72c8f6a | 305 | int |
0e03807e TT |
306 | valprint_check_validity (struct ui_file *stream, |
307 | struct type *type, | |
6b850546 | 308 | LONGEST embedded_offset, |
0e03807e TT |
309 | const struct value *val) |
310 | { | |
f168693b | 311 | type = check_typedef (type); |
0e03807e | 312 | |
3f2f83dd KB |
313 | if (type_not_associated (type)) |
314 | { | |
315 | val_print_not_associated (stream); | |
316 | return 0; | |
317 | } | |
318 | ||
319 | if (type_not_allocated (type)) | |
320 | { | |
321 | val_print_not_allocated (stream); | |
322 | return 0; | |
323 | } | |
324 | ||
0e03807e TT |
325 | if (TYPE_CODE (type) != TYPE_CODE_UNION |
326 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
327 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
328 | { | |
9a0dc9e3 PA |
329 | if (value_bits_any_optimized_out (val, |
330 | TARGET_CHAR_BIT * embedded_offset, | |
331 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 332 | { |
901461f8 | 333 | val_print_optimized_out (val, stream); |
0e03807e TT |
334 | return 0; |
335 | } | |
8cf6f0b1 | 336 | |
4e07d55f | 337 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
338 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
339 | { | |
3326303b MG |
340 | const int is_ref = TYPE_CODE (type) == TYPE_CODE_REF; |
341 | int ref_is_addressable = 0; | |
342 | ||
343 | if (is_ref) | |
344 | { | |
345 | const struct value *deref_val = coerce_ref_if_computed (val); | |
346 | ||
347 | if (deref_val != NULL) | |
348 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
349 | } | |
350 | ||
351 | if (!is_ref || !ref_is_addressable) | |
7f6aba03 TT |
352 | fputs_styled (_("<synthetic pointer>"), metadata_style.style (), |
353 | stream); | |
3326303b MG |
354 | |
355 | /* C++ references should be valid even if they're synthetic. */ | |
356 | return is_ref; | |
8cf6f0b1 | 357 | } |
4e07d55f PA |
358 | |
359 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
360 | { | |
361 | val_print_unavailable (stream); | |
362 | return 0; | |
363 | } | |
0e03807e TT |
364 | } |
365 | ||
366 | return 1; | |
367 | } | |
368 | ||
585fdaa1 | 369 | void |
901461f8 | 370 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 371 | { |
901461f8 | 372 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 373 | val_print_not_saved (stream); |
901461f8 | 374 | else |
7f6aba03 | 375 | fprintf_styled (stream, metadata_style.style (), _("<optimized out>")); |
585fdaa1 PA |
376 | } |
377 | ||
782d47df PA |
378 | void |
379 | val_print_not_saved (struct ui_file *stream) | |
380 | { | |
7f6aba03 | 381 | fprintf_styled (stream, metadata_style.style (), _("<not saved>")); |
782d47df PA |
382 | } |
383 | ||
4e07d55f PA |
384 | void |
385 | val_print_unavailable (struct ui_file *stream) | |
386 | { | |
7f6aba03 | 387 | fprintf_styled (stream, metadata_style.style (), _("<unavailable>")); |
4e07d55f PA |
388 | } |
389 | ||
8af8e3bc PA |
390 | void |
391 | val_print_invalid_address (struct ui_file *stream) | |
392 | { | |
7f6aba03 | 393 | fprintf_styled (stream, metadata_style.style (), _("<invalid address>")); |
8af8e3bc PA |
394 | } |
395 | ||
9f436164 SM |
396 | /* Print a pointer based on the type of its target. |
397 | ||
398 | Arguments to this functions are roughly the same as those in | |
399 | generic_val_print. A difference is that ADDRESS is the address to print, | |
400 | with embedded_offset already added. ELTTYPE represents | |
401 | the pointed type after check_typedef. */ | |
402 | ||
403 | static void | |
404 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
405 | CORE_ADDR address, struct ui_file *stream, | |
406 | const struct value_print_options *options) | |
407 | { | |
408 | struct gdbarch *gdbarch = get_type_arch (type); | |
409 | ||
410 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
411 | { | |
412 | /* Try to print what function it points to. */ | |
413 | print_function_pointer_address (options, gdbarch, address, stream); | |
414 | return; | |
415 | } | |
416 | ||
417 | if (options->symbol_print) | |
418 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
419 | else if (options->addressprint) | |
420 | fputs_filtered (paddress (gdbarch, address), stream); | |
421 | } | |
422 | ||
557dbe8a SM |
423 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
424 | ||
425 | static void | |
e8b24d9f | 426 | generic_val_print_array (struct type *type, |
00272ec4 TT |
427 | int embedded_offset, CORE_ADDR address, |
428 | struct ui_file *stream, int recurse, | |
e8b24d9f | 429 | struct value *original_value, |
00272ec4 TT |
430 | const struct value_print_options *options, |
431 | const struct | |
432 | generic_val_print_decorations *decorations) | |
557dbe8a SM |
433 | { |
434 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); | |
435 | struct type *elttype = check_typedef (unresolved_elttype); | |
436 | ||
437 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
438 | { | |
439 | LONGEST low_bound, high_bound; | |
440 | ||
441 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
442 | error (_("Could not determine the array high bound")); | |
443 | ||
444 | if (options->prettyformat_arrays) | |
445 | { | |
446 | print_spaces_filtered (2 + 2 * recurse, stream); | |
447 | } | |
448 | ||
00272ec4 | 449 | fputs_filtered (decorations->array_start, stream); |
e8b24d9f | 450 | val_print_array_elements (type, embedded_offset, |
557dbe8a SM |
451 | address, stream, |
452 | recurse, original_value, options, 0); | |
00272ec4 | 453 | fputs_filtered (decorations->array_end, stream); |
557dbe8a SM |
454 | } |
455 | else | |
456 | { | |
457 | /* Array of unspecified length: treat like pointer to first elt. */ | |
458 | print_unpacked_pointer (type, elttype, address + embedded_offset, stream, | |
459 | options); | |
460 | } | |
461 | ||
462 | } | |
463 | ||
81eb921a SM |
464 | /* generic_val_print helper for TYPE_CODE_PTR. */ |
465 | ||
466 | static void | |
e8b24d9f | 467 | generic_val_print_ptr (struct type *type, |
81eb921a | 468 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 469 | struct value *original_value, |
81eb921a SM |
470 | const struct value_print_options *options) |
471 | { | |
3ae385af SM |
472 | struct gdbarch *gdbarch = get_type_arch (type); |
473 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
474 | ||
81eb921a SM |
475 | if (options->format && options->format != 's') |
476 | { | |
e8b24d9f | 477 | val_print_scalar_formatted (type, embedded_offset, |
81eb921a SM |
478 | original_value, options, 0, stream); |
479 | } | |
480 | else | |
481 | { | |
482 | struct type *unresolved_elttype = TYPE_TARGET_TYPE(type); | |
483 | struct type *elttype = check_typedef (unresolved_elttype); | |
e8b24d9f | 484 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af SM |
485 | CORE_ADDR addr = unpack_pointer (type, |
486 | valaddr + embedded_offset * unit_size); | |
81eb921a SM |
487 | |
488 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
489 | } | |
490 | } | |
491 | ||
2a5b130b TT |
492 | /* generic_value_print helper for TYPE_CODE_PTR. */ |
493 | ||
494 | static void | |
495 | generic_value_print_ptr (struct value *val, struct ui_file *stream, | |
496 | const struct value_print_options *options) | |
497 | { | |
498 | ||
499 | if (options->format && options->format != 's') | |
500 | value_print_scalar_formatted (val, options, 0, stream); | |
501 | else | |
502 | { | |
503 | struct type *type = check_typedef (value_type (val)); | |
504 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
505 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
506 | CORE_ADDR addr = unpack_pointer (type, valaddr); | |
507 | ||
508 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
509 | } | |
510 | } | |
511 | ||
45000ea2 SM |
512 | |
513 | /* generic_val_print helper for TYPE_CODE_MEMBERPTR. */ | |
514 | ||
515 | static void | |
e8b24d9f | 516 | generic_val_print_memberptr (struct type *type, |
45000ea2 | 517 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 518 | struct value *original_value, |
45000ea2 SM |
519 | const struct value_print_options *options) |
520 | { | |
e8b24d9f | 521 | val_print_scalar_formatted (type, embedded_offset, |
45000ea2 SM |
522 | original_value, options, 0, stream); |
523 | } | |
524 | ||
3326303b MG |
525 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
526 | ||
527 | static void | |
528 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
529 | int embedded_offset, struct ui_file *stream) | |
530 | { | |
531 | struct gdbarch *gdbarch = get_type_arch (type); | |
532 | ||
533 | if (address_buffer != NULL) | |
534 | { | |
535 | CORE_ADDR address | |
536 | = extract_typed_address (address_buffer + embedded_offset, type); | |
537 | ||
538 | fprintf_filtered (stream, "@"); | |
539 | fputs_filtered (paddress (gdbarch, address), stream); | |
540 | } | |
541 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
542 | } | |
543 | ||
544 | /* If VAL is addressable, return the value contents buffer of a value that | |
545 | represents a pointer to VAL. Otherwise return NULL. */ | |
546 | ||
547 | static const gdb_byte * | |
548 | get_value_addr_contents (struct value *deref_val) | |
549 | { | |
550 | gdb_assert (deref_val != NULL); | |
551 | ||
552 | if (value_lval_const (deref_val) == lval_memory) | |
553 | return value_contents_for_printing_const (value_addr (deref_val)); | |
554 | else | |
555 | { | |
556 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
557 | return NULL; | |
558 | } | |
559 | } | |
560 | ||
aa006118 | 561 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
562 | |
563 | static void | |
e8b24d9f | 564 | generic_val_print_ref (struct type *type, |
fe43fede | 565 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 566 | struct value *original_value, |
fe43fede SM |
567 | const struct value_print_options *options) |
568 | { | |
fe43fede | 569 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
3326303b MG |
570 | struct value *deref_val = NULL; |
571 | const int value_is_synthetic | |
572 | = value_bits_synthetic_pointer (original_value, | |
573 | TARGET_CHAR_BIT * embedded_offset, | |
574 | TARGET_CHAR_BIT * TYPE_LENGTH (type)); | |
575 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) | |
576 | || options->deref_ref); | |
577 | const int type_is_defined = TYPE_CODE (elttype) != TYPE_CODE_UNDEF; | |
e8b24d9f | 578 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3326303b MG |
579 | |
580 | if (must_coerce_ref && type_is_defined) | |
581 | { | |
582 | deref_val = coerce_ref_if_computed (original_value); | |
583 | ||
584 | if (deref_val != NULL) | |
585 | { | |
586 | /* More complicated computed references are not supported. */ | |
587 | gdb_assert (embedded_offset == 0); | |
588 | } | |
589 | else | |
590 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
591 | unpack_pointer (type, valaddr + embedded_offset)); | |
592 | } | |
593 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
594 | the reference's contents. | |
595 | ||
596 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
597 | cause original_value to be a not_lval instead of an lval_computed, | |
598 | which will make value_bits_synthetic_pointer return false. | |
599 | This happens because if options->objectprint is true, c_value_print will | |
600 | overwrite original_value's contents with the result of coercing | |
601 | the reference through value_addr, and then set its type back to | |
602 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
603 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
604 | |
605 | if (options->addressprint) | |
606 | { | |
3326303b MG |
607 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
608 | ? get_value_addr_contents (deref_val) | |
609 | : valaddr); | |
610 | ||
611 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 612 | |
fe43fede SM |
613 | if (options->deref_ref) |
614 | fputs_filtered (": ", stream); | |
615 | } | |
3326303b | 616 | |
fe43fede SM |
617 | if (options->deref_ref) |
618 | { | |
3326303b MG |
619 | if (type_is_defined) |
620 | common_val_print (deref_val, stream, recurse, options, | |
621 | current_language); | |
fe43fede SM |
622 | else |
623 | fputs_filtered ("???", stream); | |
624 | } | |
625 | } | |
626 | ||
81516450 DE |
627 | /* Helper function for generic_val_print_enum. |
628 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
629 | |
630 | static void | |
81516450 DE |
631 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
632 | struct ui_file *stream) | |
ef0bc0dd SM |
633 | { |
634 | unsigned int i; | |
635 | unsigned int len; | |
ef0bc0dd | 636 | |
ef0bc0dd | 637 | len = TYPE_NFIELDS (type); |
ef0bc0dd SM |
638 | for (i = 0; i < len; i++) |
639 | { | |
640 | QUIT; | |
641 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
642 | { | |
643 | break; | |
644 | } | |
645 | } | |
646 | if (i < len) | |
647 | { | |
3f0cbb04 TT |
648 | fputs_styled (TYPE_FIELD_NAME (type, i), variable_name_style.style (), |
649 | stream); | |
ef0bc0dd SM |
650 | } |
651 | else if (TYPE_FLAG_ENUM (type)) | |
652 | { | |
653 | int first = 1; | |
654 | ||
6740f0cc SM |
655 | /* We have a "flag" enum, so we try to decompose it into pieces as |
656 | appropriate. The enum may have multiple enumerators representing | |
657 | the same bit, in which case we choose to only print the first one | |
658 | we find. */ | |
ef0bc0dd SM |
659 | for (i = 0; i < len; ++i) |
660 | { | |
661 | QUIT; | |
662 | ||
edd45eb0 SM |
663 | ULONGEST enumval = TYPE_FIELD_ENUMVAL (type, i); |
664 | int nbits = count_one_bits_ll (enumval); | |
665 | ||
666 | gdb_assert (nbits == 0 || nbits == 1); | |
667 | ||
668 | if ((val & enumval) != 0) | |
ef0bc0dd | 669 | { |
373d7ac0 SM |
670 | if (first) |
671 | { | |
672 | fputs_filtered ("(", stream); | |
673 | first = 0; | |
674 | } | |
675 | else | |
ef0bc0dd | 676 | fputs_filtered (" | ", stream); |
ef0bc0dd SM |
677 | |
678 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
3f0cbb04 TT |
679 | fputs_styled (TYPE_FIELD_NAME (type, i), |
680 | variable_name_style.style (), stream); | |
ef0bc0dd SM |
681 | } |
682 | } | |
683 | ||
373d7ac0 | 684 | if (val != 0) |
ef0bc0dd | 685 | { |
373d7ac0 SM |
686 | /* There are leftover bits, print them. */ |
687 | if (first) | |
688 | fputs_filtered ("(", stream); | |
689 | else | |
ef0bc0dd | 690 | fputs_filtered (" | ", stream); |
373d7ac0 | 691 | |
b29a2df0 SM |
692 | fputs_filtered ("unknown: 0x", stream); |
693 | print_longest (stream, 'x', 0, val); | |
373d7ac0 SM |
694 | fputs_filtered (")", stream); |
695 | } | |
696 | else if (first) | |
697 | { | |
698 | /* Nothing has been printed and the value is 0, the enum value must | |
699 | have been 0. */ | |
700 | fputs_filtered ("0", stream); | |
701 | } | |
702 | else | |
703 | { | |
704 | /* Something has been printed, close the parenthesis. */ | |
705 | fputs_filtered (")", stream); | |
ef0bc0dd | 706 | } |
ef0bc0dd SM |
707 | } |
708 | else | |
709 | print_longest (stream, 'd', 0, val); | |
710 | } | |
711 | ||
81516450 DE |
712 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
713 | ||
714 | static void | |
e8b24d9f | 715 | generic_val_print_enum (struct type *type, |
81516450 | 716 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 717 | struct value *original_value, |
81516450 DE |
718 | const struct value_print_options *options) |
719 | { | |
720 | LONGEST val; | |
721 | struct gdbarch *gdbarch = get_type_arch (type); | |
722 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
723 | ||
724 | if (options->format) | |
725 | { | |
e8b24d9f | 726 | val_print_scalar_formatted (type, embedded_offset, |
81516450 | 727 | original_value, options, 0, stream); |
81516450 | 728 | } |
e8b24d9f YQ |
729 | else |
730 | { | |
731 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
732 | ||
733 | val = unpack_long (type, valaddr + embedded_offset * unit_size); | |
81516450 | 734 | |
e8b24d9f YQ |
735 | generic_val_print_enum_1 (type, val, stream); |
736 | } | |
81516450 DE |
737 | } |
738 | ||
d93880bd SM |
739 | /* generic_val_print helper for TYPE_CODE_FLAGS. */ |
740 | ||
741 | static void | |
e8b24d9f | 742 | generic_val_print_flags (struct type *type, |
d93880bd | 743 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 744 | struct value *original_value, |
d93880bd SM |
745 | const struct value_print_options *options) |
746 | ||
747 | { | |
748 | if (options->format) | |
e8b24d9f | 749 | val_print_scalar_formatted (type, embedded_offset, original_value, |
d93880bd SM |
750 | options, 0, stream); |
751 | else | |
e8b24d9f YQ |
752 | { |
753 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
754 | ||
755 | val_print_type_code_flags (type, valaddr + embedded_offset, stream); | |
756 | } | |
d93880bd SM |
757 | } |
758 | ||
4a8c372f SM |
759 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
760 | ||
761 | static void | |
e8b24d9f | 762 | generic_val_print_func (struct type *type, |
4a8c372f SM |
763 | int embedded_offset, CORE_ADDR address, |
764 | struct ui_file *stream, | |
e8b24d9f | 765 | struct value *original_value, |
4a8c372f SM |
766 | const struct value_print_options *options) |
767 | { | |
768 | struct gdbarch *gdbarch = get_type_arch (type); | |
769 | ||
770 | if (options->format) | |
771 | { | |
e8b24d9f | 772 | val_print_scalar_formatted (type, embedded_offset, |
4a8c372f SM |
773 | original_value, options, 0, stream); |
774 | } | |
775 | else | |
776 | { | |
777 | /* FIXME, we should consider, at least for ANSI C language, | |
778 | eliminating the distinction made between FUNCs and POINTERs | |
779 | to FUNCs. */ | |
780 | fprintf_filtered (stream, "{"); | |
781 | type_print (type, "", stream, -1); | |
782 | fprintf_filtered (stream, "} "); | |
783 | /* Try to print what function it points to, and its address. */ | |
784 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
785 | } | |
786 | } | |
787 | ||
e5bead4b SM |
788 | /* generic_val_print helper for TYPE_CODE_BOOL. */ |
789 | ||
790 | static void | |
e8b24d9f | 791 | generic_val_print_bool (struct type *type, |
e5bead4b | 792 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 793 | struct value *original_value, |
e5bead4b SM |
794 | const struct value_print_options *options, |
795 | const struct generic_val_print_decorations *decorations) | |
796 | { | |
797 | LONGEST val; | |
3ae385af SM |
798 | struct gdbarch *gdbarch = get_type_arch (type); |
799 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e5bead4b SM |
800 | |
801 | if (options->format || options->output_format) | |
802 | { | |
803 | struct value_print_options opts = *options; | |
804 | opts.format = (options->format ? options->format | |
805 | : options->output_format); | |
e8b24d9f | 806 | val_print_scalar_formatted (type, embedded_offset, |
e5bead4b SM |
807 | original_value, &opts, 0, stream); |
808 | } | |
809 | else | |
810 | { | |
e8b24d9f YQ |
811 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
812 | ||
3ae385af | 813 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
e5bead4b SM |
814 | if (val == 0) |
815 | fputs_filtered (decorations->false_name, stream); | |
816 | else if (val == 1) | |
817 | fputs_filtered (decorations->true_name, stream); | |
818 | else | |
819 | print_longest (stream, 'd', 0, val); | |
820 | } | |
821 | } | |
822 | ||
b21b6342 SM |
823 | /* generic_val_print helper for TYPE_CODE_INT. */ |
824 | ||
825 | static void | |
e8b24d9f | 826 | generic_val_print_int (struct type *type, |
b21b6342 | 827 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 828 | struct value *original_value, |
b21b6342 SM |
829 | const struct value_print_options *options) |
830 | { | |
f12f6bad | 831 | struct value_print_options opts = *options; |
3ae385af | 832 | |
f12f6bad TT |
833 | opts.format = (options->format ? options->format |
834 | : options->output_format); | |
835 | val_print_scalar_formatted (type, embedded_offset, | |
836 | original_value, &opts, 0, stream); | |
b21b6342 SM |
837 | } |
838 | ||
385f5aff SM |
839 | /* generic_val_print helper for TYPE_CODE_CHAR. */ |
840 | ||
841 | static void | |
842 | generic_val_print_char (struct type *type, struct type *unresolved_type, | |
e8b24d9f | 843 | int embedded_offset, |
385f5aff | 844 | struct ui_file *stream, |
e8b24d9f | 845 | struct value *original_value, |
385f5aff SM |
846 | const struct value_print_options *options) |
847 | { | |
848 | LONGEST val; | |
3ae385af SM |
849 | struct gdbarch *gdbarch = get_type_arch (type); |
850 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
385f5aff SM |
851 | |
852 | if (options->format || options->output_format) | |
853 | { | |
854 | struct value_print_options opts = *options; | |
855 | ||
856 | opts.format = (options->format ? options->format | |
857 | : options->output_format); | |
e8b24d9f | 858 | val_print_scalar_formatted (type, embedded_offset, |
385f5aff SM |
859 | original_value, &opts, 0, stream); |
860 | } | |
861 | else | |
862 | { | |
e8b24d9f YQ |
863 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
864 | ||
3ae385af | 865 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
385f5aff SM |
866 | if (TYPE_UNSIGNED (type)) |
867 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
868 | else | |
869 | fprintf_filtered (stream, "%d", (int) val); | |
870 | fputs_filtered (" ", stream); | |
871 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
872 | } | |
873 | } | |
874 | ||
fdf0cbc2 | 875 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
876 | |
877 | static void | |
e8b24d9f | 878 | generic_val_print_float (struct type *type, |
7784724b | 879 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 880 | struct value *original_value, |
7784724b SM |
881 | const struct value_print_options *options) |
882 | { | |
3ae385af SM |
883 | struct gdbarch *gdbarch = get_type_arch (type); |
884 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
885 | ||
7784724b SM |
886 | if (options->format) |
887 | { | |
e8b24d9f | 888 | val_print_scalar_formatted (type, embedded_offset, |
7784724b SM |
889 | original_value, options, 0, stream); |
890 | } | |
891 | else | |
892 | { | |
e8b24d9f YQ |
893 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
894 | ||
3ae385af | 895 | print_floating (valaddr + embedded_offset * unit_size, type, stream); |
7784724b SM |
896 | } |
897 | } | |
898 | ||
0c87c0bf SM |
899 | /* generic_val_print helper for TYPE_CODE_COMPLEX. */ |
900 | ||
901 | static void | |
e8b24d9f | 902 | generic_val_print_complex (struct type *type, |
0c87c0bf | 903 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 904 | struct value *original_value, |
0c87c0bf SM |
905 | const struct value_print_options *options, |
906 | const struct generic_val_print_decorations | |
907 | *decorations) | |
908 | { | |
3ae385af SM |
909 | struct gdbarch *gdbarch = get_type_arch (type); |
910 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e8b24d9f | 911 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af | 912 | |
0c87c0bf SM |
913 | fprintf_filtered (stream, "%s", decorations->complex_prefix); |
914 | if (options->format) | |
e8b24d9f | 915 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf SM |
916 | embedded_offset, original_value, options, 0, |
917 | stream); | |
918 | else | |
3ae385af SM |
919 | print_floating (valaddr + embedded_offset * unit_size, |
920 | TYPE_TARGET_TYPE (type), stream); | |
0c87c0bf SM |
921 | fprintf_filtered (stream, "%s", decorations->complex_infix); |
922 | if (options->format) | |
e8b24d9f | 923 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf | 924 | embedded_offset |
3ae385af | 925 | + type_length_units (TYPE_TARGET_TYPE (type)), |
0c87c0bf SM |
926 | original_value, options, 0, stream); |
927 | else | |
3ae385af | 928 | print_floating (valaddr + embedded_offset * unit_size |
0c87c0bf SM |
929 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), |
930 | TYPE_TARGET_TYPE (type), stream); | |
931 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
932 | } | |
933 | ||
e88acd96 TT |
934 | /* A generic val_print that is suitable for use by language |
935 | implementations of the la_val_print method. This function can | |
936 | handle most type codes, though not all, notably exception | |
937 | TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by | |
938 | the caller. | |
939 | ||
940 | Most arguments are as to val_print. | |
941 | ||
942 | The additional DECORATIONS argument can be used to customize the | |
943 | output in some small, language-specific ways. */ | |
944 | ||
945 | void | |
e8b24d9f | 946 | generic_val_print (struct type *type, |
e88acd96 TT |
947 | int embedded_offset, CORE_ADDR address, |
948 | struct ui_file *stream, int recurse, | |
e8b24d9f | 949 | struct value *original_value, |
e88acd96 TT |
950 | const struct value_print_options *options, |
951 | const struct generic_val_print_decorations *decorations) | |
952 | { | |
e88acd96 | 953 | struct type *unresolved_type = type; |
e88acd96 | 954 | |
f168693b | 955 | type = check_typedef (type); |
e88acd96 TT |
956 | switch (TYPE_CODE (type)) |
957 | { | |
958 | case TYPE_CODE_ARRAY: | |
e8b24d9f | 959 | generic_val_print_array (type, embedded_offset, address, stream, |
00272ec4 | 960 | recurse, original_value, options, decorations); |
9f436164 | 961 | break; |
e88acd96 TT |
962 | |
963 | case TYPE_CODE_MEMBERPTR: | |
e8b24d9f | 964 | generic_val_print_memberptr (type, embedded_offset, stream, |
45000ea2 | 965 | original_value, options); |
e88acd96 TT |
966 | break; |
967 | ||
968 | case TYPE_CODE_PTR: | |
e8b24d9f | 969 | generic_val_print_ptr (type, embedded_offset, stream, |
81eb921a | 970 | original_value, options); |
e88acd96 TT |
971 | break; |
972 | ||
973 | case TYPE_CODE_REF: | |
aa006118 | 974 | case TYPE_CODE_RVALUE_REF: |
e8b24d9f | 975 | generic_val_print_ref (type, embedded_offset, stream, recurse, |
fe43fede | 976 | original_value, options); |
e88acd96 TT |
977 | break; |
978 | ||
979 | case TYPE_CODE_ENUM: | |
e8b24d9f | 980 | generic_val_print_enum (type, embedded_offset, stream, |
ef0bc0dd | 981 | original_value, options); |
e88acd96 TT |
982 | break; |
983 | ||
984 | case TYPE_CODE_FLAGS: | |
e8b24d9f | 985 | generic_val_print_flags (type, embedded_offset, stream, |
d93880bd | 986 | original_value, options); |
e88acd96 TT |
987 | break; |
988 | ||
989 | case TYPE_CODE_FUNC: | |
990 | case TYPE_CODE_METHOD: | |
e8b24d9f | 991 | generic_val_print_func (type, embedded_offset, address, stream, |
4a8c372f | 992 | original_value, options); |
e88acd96 TT |
993 | break; |
994 | ||
995 | case TYPE_CODE_BOOL: | |
e8b24d9f | 996 | generic_val_print_bool (type, embedded_offset, stream, |
e5bead4b | 997 | original_value, options, decorations); |
e88acd96 TT |
998 | break; |
999 | ||
1000 | case TYPE_CODE_RANGE: | |
0c9c3474 | 1001 | /* FIXME: create_static_range_type does not set the unsigned bit in a |
e88acd96 TT |
1002 | range type (I think it probably should copy it from the |
1003 | target type), so we won't print values which are too large to | |
1004 | fit in a signed integer correctly. */ | |
1005 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
1006 | print with the target type, though, because the size of our | |
1007 | type and the target type might differ). */ | |
1008 | ||
1009 | /* FALLTHROUGH */ | |
1010 | ||
1011 | case TYPE_CODE_INT: | |
e8b24d9f | 1012 | generic_val_print_int (type, embedded_offset, stream, |
b21b6342 | 1013 | original_value, options); |
e88acd96 TT |
1014 | break; |
1015 | ||
1016 | case TYPE_CODE_CHAR: | |
e8b24d9f | 1017 | generic_val_print_char (type, unresolved_type, embedded_offset, |
385f5aff | 1018 | stream, original_value, options); |
e88acd96 TT |
1019 | break; |
1020 | ||
1021 | case TYPE_CODE_FLT: | |
fdf0cbc2 | 1022 | case TYPE_CODE_DECFLOAT: |
e8b24d9f | 1023 | generic_val_print_float (type, embedded_offset, stream, |
7784724b | 1024 | original_value, options); |
e88acd96 TT |
1025 | break; |
1026 | ||
e88acd96 TT |
1027 | case TYPE_CODE_VOID: |
1028 | fputs_filtered (decorations->void_name, stream); | |
1029 | break; | |
1030 | ||
1031 | case TYPE_CODE_ERROR: | |
1032 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
1033 | break; | |
1034 | ||
1035 | case TYPE_CODE_UNDEF: | |
a9ff5f12 UW |
1036 | /* This happens (without TYPE_STUB set) on systems which don't use |
1037 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
1038 | and no complete type for struct foo in that file. */ | |
7f6aba03 | 1039 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
e88acd96 TT |
1040 | break; |
1041 | ||
1042 | case TYPE_CODE_COMPLEX: | |
e8b24d9f | 1043 | generic_val_print_complex (type, embedded_offset, stream, |
0c87c0bf | 1044 | original_value, options, decorations); |
e88acd96 TT |
1045 | break; |
1046 | ||
1047 | case TYPE_CODE_UNION: | |
1048 | case TYPE_CODE_STRUCT: | |
1049 | case TYPE_CODE_METHODPTR: | |
1050 | default: | |
1051 | error (_("Unhandled type code %d in symbol table."), | |
1052 | TYPE_CODE (type)); | |
1053 | } | |
e88acd96 TT |
1054 | } |
1055 | ||
156bfec9 TT |
1056 | /* See valprint.h. */ |
1057 | ||
1058 | void | |
1059 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
1060 | const struct value_print_options *options, | |
1061 | const struct generic_val_print_decorations *decorations) | |
1062 | { | |
abc66ce9 TT |
1063 | struct type *type = value_type (val); |
1064 | struct type *unresolved_type = type; | |
1065 | ||
1066 | type = check_typedef (type); | |
1067 | switch (TYPE_CODE (type)) | |
1068 | { | |
1069 | case TYPE_CODE_ARRAY: | |
1070 | generic_val_print_array (type, 0, value_address (val), stream, | |
1071 | recurse, val, options, decorations); | |
1072 | break; | |
1073 | ||
1074 | case TYPE_CODE_MEMBERPTR: | |
2a5b130b | 1075 | value_print_scalar_formatted (val, options, 0, stream); |
abc66ce9 TT |
1076 | break; |
1077 | ||
1078 | case TYPE_CODE_PTR: | |
2a5b130b | 1079 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
1080 | break; |
1081 | ||
1082 | case TYPE_CODE_REF: | |
1083 | case TYPE_CODE_RVALUE_REF: | |
1084 | generic_val_print_ref (type, 0, stream, recurse, | |
1085 | val, options); | |
1086 | break; | |
1087 | ||
1088 | case TYPE_CODE_ENUM: | |
1089 | generic_val_print_enum (type, 0, stream, | |
1090 | val, options); | |
1091 | break; | |
1092 | ||
1093 | case TYPE_CODE_FLAGS: | |
1094 | generic_val_print_flags (type, 0, stream, | |
1095 | val, options); | |
1096 | break; | |
1097 | ||
1098 | case TYPE_CODE_FUNC: | |
1099 | case TYPE_CODE_METHOD: | |
1100 | generic_val_print_func (type, 0, value_address (val), stream, | |
1101 | val, options); | |
1102 | break; | |
1103 | ||
1104 | case TYPE_CODE_BOOL: | |
1105 | generic_val_print_bool (type, 0, stream, | |
1106 | val, options, decorations); | |
1107 | break; | |
1108 | ||
1109 | case TYPE_CODE_RANGE: | |
1110 | /* FIXME: create_static_range_type does not set the unsigned bit in a | |
1111 | range type (I think it probably should copy it from the | |
1112 | target type), so we won't print values which are too large to | |
1113 | fit in a signed integer correctly. */ | |
1114 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
1115 | print with the target type, though, because the size of our | |
1116 | type and the target type might differ). */ | |
1117 | ||
1118 | /* FALLTHROUGH */ | |
1119 | ||
1120 | case TYPE_CODE_INT: | |
1121 | generic_val_print_int (type, 0, stream, | |
1122 | val, options); | |
1123 | break; | |
1124 | ||
1125 | case TYPE_CODE_CHAR: | |
1126 | generic_val_print_char (type, unresolved_type, 0, | |
1127 | stream, val, options); | |
1128 | break; | |
1129 | ||
1130 | case TYPE_CODE_FLT: | |
1131 | case TYPE_CODE_DECFLOAT: | |
1132 | generic_val_print_float (type, 0, stream, | |
1133 | val, options); | |
1134 | break; | |
1135 | ||
1136 | case TYPE_CODE_VOID: | |
1137 | fputs_filtered (decorations->void_name, stream); | |
1138 | break; | |
1139 | ||
1140 | case TYPE_CODE_ERROR: | |
1141 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
1142 | break; | |
1143 | ||
1144 | case TYPE_CODE_UNDEF: | |
1145 | /* This happens (without TYPE_STUB set) on systems which don't use | |
1146 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
1147 | and no complete type for struct foo in that file. */ | |
1148 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); | |
1149 | break; | |
1150 | ||
1151 | case TYPE_CODE_COMPLEX: | |
1152 | generic_val_print_complex (type, 0, stream, | |
1153 | val, options, decorations); | |
1154 | break; | |
1155 | ||
1156 | case TYPE_CODE_UNION: | |
1157 | case TYPE_CODE_STRUCT: | |
1158 | case TYPE_CODE_METHODPTR: | |
1159 | default: | |
1160 | error (_("Unhandled type code %d in symbol table."), | |
1161 | TYPE_CODE (type)); | |
1162 | } | |
156bfec9 TT |
1163 | } |
1164 | ||
b0c26e99 TT |
1165 | /* Helper function for val_print and common_val_print that does the |
1166 | work. Arguments are as to val_print, but FULL_VALUE, if given, is | |
1167 | the value to be printed. */ | |
32b72a42 | 1168 | |
b0c26e99 TT |
1169 | static void |
1170 | do_val_print (struct value *full_value, | |
1171 | struct type *type, LONGEST embedded_offset, | |
1172 | CORE_ADDR address, struct ui_file *stream, int recurse, | |
1173 | struct value *val, | |
1174 | const struct value_print_options *options, | |
1175 | const struct language_defn *language) | |
c906108c | 1176 | { |
19ca80ba | 1177 | int ret = 0; |
79a45b7d | 1178 | struct value_print_options local_opts = *options; |
c906108c | 1179 | struct type *real_type = check_typedef (type); |
79a45b7d | 1180 | |
2a998fc0 DE |
1181 | if (local_opts.prettyformat == Val_prettyformat_default) |
1182 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
1183 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 1184 | |
c906108c SS |
1185 | QUIT; |
1186 | ||
1187 | /* Ensure that the type is complete and not just a stub. If the type is | |
1188 | only a stub and we can't find and substitute its complete type, then | |
1189 | print appropriate string and return. */ | |
1190 | ||
74a9bb82 | 1191 | if (TYPE_STUB (real_type)) |
c906108c | 1192 | { |
7f6aba03 | 1193 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 1194 | return; |
c906108c | 1195 | } |
c5aa993b | 1196 | |
0e03807e | 1197 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
35c0084b | 1198 | return; |
0e03807e | 1199 | |
a6bac58e TT |
1200 | if (!options->raw) |
1201 | { | |
668e1674 | 1202 | ret = apply_ext_lang_val_pretty_printer (type, embedded_offset, |
6dddc817 DE |
1203 | address, stream, recurse, |
1204 | val, options, language); | |
a6bac58e | 1205 | if (ret) |
35c0084b | 1206 | return; |
a6bac58e TT |
1207 | } |
1208 | ||
1209 | /* Handle summary mode. If the value is a scalar, print it; | |
1210 | otherwise, print an ellipsis. */ | |
6211c335 | 1211 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
1212 | { |
1213 | fprintf_filtered (stream, "..."); | |
35c0084b | 1214 | return; |
a6bac58e TT |
1215 | } |
1216 | ||
2e62ab40 AB |
1217 | /* If this value is too deep then don't print it. */ |
1218 | if (!val_print_scalar_or_string_type_p (type, language) | |
1219 | && val_print_check_max_depth (stream, recurse, options, language)) | |
1220 | return; | |
1221 | ||
a70b8144 | 1222 | try |
19ca80ba | 1223 | { |
2b4e573d TT |
1224 | if (full_value != nullptr && language->la_value_print_inner != nullptr) |
1225 | language->la_value_print_inner (full_value, stream, recurse, | |
1226 | &local_opts); | |
1227 | else | |
1228 | language->la_val_print (type, embedded_offset, address, | |
1229 | stream, recurse, val, | |
1230 | &local_opts); | |
19ca80ba | 1231 | } |
230d2906 | 1232 | catch (const gdb_exception_error &except) |
492d29ea | 1233 | { |
7f6aba03 TT |
1234 | fprintf_styled (stream, metadata_style.style (), |
1235 | _("<error reading variable>")); | |
492d29ea | 1236 | } |
c906108c SS |
1237 | } |
1238 | ||
b0c26e99 TT |
1239 | /* Print using the given LANGUAGE the data of type TYPE located at |
1240 | VAL's contents buffer + EMBEDDED_OFFSET (within GDB), which came | |
1241 | from the inferior at address ADDRESS + EMBEDDED_OFFSET, onto | |
1242 | stdio stream STREAM according to OPTIONS. VAL is the whole object | |
1243 | that came from ADDRESS. | |
1244 | ||
1245 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
1246 | further helper subroutines as subfields of TYPE are printed. In | |
1247 | such cases, VAL is passed down unadjusted, so | |
1248 | that VAL can be queried for metadata about the contents data being | |
1249 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
1250 | buffer. For example: "has this field been optimized out", or "I'm | |
1251 | printing an object while inspecting a traceframe; has this | |
1252 | particular piece of data been collected?". | |
1253 | ||
1254 | RECURSE indicates the amount of indentation to supply before | |
1255 | continuation lines; this amount is roughly twice the value of | |
1256 | RECURSE. */ | |
1257 | ||
1258 | void | |
1259 | val_print (struct type *type, LONGEST embedded_offset, | |
1260 | CORE_ADDR address, struct ui_file *stream, int recurse, | |
1261 | struct value *val, | |
1262 | const struct value_print_options *options, | |
1263 | const struct language_defn *language) | |
1264 | { | |
1265 | do_val_print (nullptr, type, embedded_offset, address, stream, | |
1266 | recurse, val, options, language); | |
1267 | } | |
1268 | ||
2e62ab40 AB |
1269 | /* See valprint.h. */ |
1270 | ||
1271 | bool | |
1272 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1273 | const struct value_print_options *options, | |
1274 | const struct language_defn *language) | |
1275 | { | |
1276 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1277 | { | |
1278 | gdb_assert (language->la_struct_too_deep_ellipsis != NULL); | |
1279 | fputs_filtered (language->la_struct_too_deep_ellipsis, stream); | |
1280 | return true; | |
1281 | } | |
1282 | ||
1283 | return false; | |
1284 | } | |
1285 | ||
806048c6 | 1286 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1287 | return 0 and print an appropriate error message to STREAM according to |
1288 | OPTIONS if it is not. */ | |
c906108c | 1289 | |
806048c6 | 1290 | static int |
6501578c YQ |
1291 | value_check_printable (struct value *val, struct ui_file *stream, |
1292 | const struct value_print_options *options) | |
c906108c SS |
1293 | { |
1294 | if (val == 0) | |
1295 | { | |
7f6aba03 TT |
1296 | fprintf_styled (stream, metadata_style.style (), |
1297 | _("<address of value unknown>")); | |
c906108c SS |
1298 | return 0; |
1299 | } | |
806048c6 | 1300 | |
0e03807e | 1301 | if (value_entirely_optimized_out (val)) |
c906108c | 1302 | { |
6211c335 | 1303 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1304 | fprintf_filtered (stream, "..."); |
1305 | else | |
901461f8 | 1306 | val_print_optimized_out (val, stream); |
c906108c SS |
1307 | return 0; |
1308 | } | |
806048c6 | 1309 | |
eebc056c AB |
1310 | if (value_entirely_unavailable (val)) |
1311 | { | |
1312 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1313 | fprintf_filtered (stream, "..."); | |
1314 | else | |
1315 | val_print_unavailable (stream); | |
1316 | return 0; | |
1317 | } | |
1318 | ||
bc3b79fd TJB |
1319 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
1320 | { | |
7f6aba03 TT |
1321 | fprintf_styled (stream, metadata_style.style (), |
1322 | _("<internal function %s>"), | |
1323 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1324 | return 0; |
1325 | } | |
1326 | ||
3f2f83dd KB |
1327 | if (type_not_associated (value_type (val))) |
1328 | { | |
1329 | val_print_not_associated (stream); | |
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | if (type_not_allocated (value_type (val))) | |
1334 | { | |
1335 | val_print_not_allocated (stream); | |
1336 | return 0; | |
1337 | } | |
1338 | ||
806048c6 DJ |
1339 | return 1; |
1340 | } | |
1341 | ||
d8ca156b | 1342 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1343 | to OPTIONS. |
806048c6 | 1344 | |
806048c6 DJ |
1345 | This is a preferable interface to val_print, above, because it uses |
1346 | GDB's value mechanism. */ | |
1347 | ||
a1f5dd1b | 1348 | void |
79a45b7d TT |
1349 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1350 | const struct value_print_options *options, | |
d8ca156b | 1351 | const struct language_defn *language) |
806048c6 | 1352 | { |
6501578c | 1353 | if (!value_check_printable (val, stream, options)) |
a1f5dd1b | 1354 | return; |
806048c6 | 1355 | |
0c3acc09 JB |
1356 | if (language->la_language == language_ada) |
1357 | /* The value might have a dynamic type, which would cause trouble | |
1358 | below when trying to extract the value contents (since the value | |
1359 | size is determined from the type size which is unknown). So | |
1360 | get a fixed representation of our value. */ | |
1361 | val = ada_to_fixed_value (val); | |
1362 | ||
7d45f3df YQ |
1363 | if (value_lazy (val)) |
1364 | value_fetch_lazy (val); | |
1365 | ||
b0c26e99 TT |
1366 | do_val_print (val, value_type (val), |
1367 | value_embedded_offset (val), value_address (val), | |
1368 | stream, recurse, | |
1369 | val, options, language); | |
806048c6 DJ |
1370 | } |
1371 | ||
c2a44efe TT |
1372 | /* See valprint.h. */ |
1373 | ||
1374 | void | |
1375 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1376 | int recurse, | |
1377 | const struct value_print_options *options, | |
1378 | const struct language_defn *language) | |
1379 | { | |
1380 | if (!value_check_printable (val, stream, options)) | |
1381 | return; | |
1382 | common_val_print (val, stream, recurse, options, language); | |
1383 | } | |
1384 | ||
7348c5e1 | 1385 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1386 | is printed using the current_language syntax. */ |
7348c5e1 | 1387 | |
8e069a98 | 1388 | void |
79a45b7d TT |
1389 | value_print (struct value *val, struct ui_file *stream, |
1390 | const struct value_print_options *options) | |
806048c6 | 1391 | { |
ce3acbe9 TT |
1392 | scoped_value_mark free_values; |
1393 | ||
6501578c | 1394 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1395 | return; |
806048c6 | 1396 | |
a6bac58e TT |
1397 | if (!options->raw) |
1398 | { | |
6dddc817 DE |
1399 | int r |
1400 | = apply_ext_lang_val_pretty_printer (value_type (val), | |
6dddc817 DE |
1401 | value_embedded_offset (val), |
1402 | value_address (val), | |
1403 | stream, 0, | |
1404 | val, options, current_language); | |
a109c7c1 | 1405 | |
a6bac58e | 1406 | if (r) |
8e069a98 | 1407 | return; |
a6bac58e TT |
1408 | } |
1409 | ||
8e069a98 | 1410 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1411 | } |
1412 | ||
81516450 | 1413 | static void |
4f2aea11 MK |
1414 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, |
1415 | struct ui_file *stream) | |
1416 | { | |
befae759 | 1417 | ULONGEST val = unpack_long (type, valaddr); |
81516450 DE |
1418 | int field, nfields = TYPE_NFIELDS (type); |
1419 | struct gdbarch *gdbarch = get_type_arch (type); | |
1420 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; | |
4f2aea11 | 1421 | |
81516450 DE |
1422 | fputs_filtered ("[", stream); |
1423 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1424 | { |
81516450 | 1425 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1426 | { |
81516450 DE |
1427 | struct type *field_type = TYPE_FIELD_TYPE (type, field); |
1428 | ||
1429 | if (field_type == bool_type | |
1430 | /* We require boolean types here to be one bit wide. This is a | |
1431 | problematic place to notify the user of an internal error | |
1432 | though. Instead just fall through and print the field as an | |
1433 | int. */ | |
1434 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1435 | { | |
1436 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
3f0cbb04 TT |
1437 | fprintf_filtered |
1438 | (stream, " %ps", | |
1439 | styled_string (variable_name_style.style (), | |
1440 | TYPE_FIELD_NAME (type, field))); | |
81516450 | 1441 | } |
4f2aea11 | 1442 | else |
81516450 DE |
1443 | { |
1444 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1445 | ULONGEST field_val | |
1446 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1447 | ||
1448 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1449 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
3f0cbb04 TT |
1450 | fprintf_filtered (stream, " %ps=", |
1451 | styled_string (variable_name_style.style (), | |
1452 | TYPE_FIELD_NAME (type, field))); | |
81516450 DE |
1453 | if (TYPE_CODE (field_type) == TYPE_CODE_ENUM) |
1454 | generic_val_print_enum_1 (field_type, field_val, stream); | |
1455 | else | |
1456 | print_longest (stream, 'd', 0, field_val); | |
1457 | } | |
4f2aea11 MK |
1458 | } |
1459 | } | |
81516450 | 1460 | fputs_filtered (" ]", stream); |
19c37f24 | 1461 | } |
ab2188aa PA |
1462 | |
1463 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
1464 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
1465 | at this level. | |
1466 | ||
1467 | This is how the elements of an array or structure are printed | |
1468 | with a format. */ | |
ab2188aa PA |
1469 | |
1470 | void | |
1471 | val_print_scalar_formatted (struct type *type, | |
e8b24d9f YQ |
1472 | LONGEST embedded_offset, |
1473 | struct value *val, | |
ab2188aa PA |
1474 | const struct value_print_options *options, |
1475 | int size, | |
1476 | struct ui_file *stream) | |
1477 | { | |
3ae385af SM |
1478 | struct gdbarch *arch = get_type_arch (type); |
1479 | int unit_size = gdbarch_addressable_memory_unit_size (arch); | |
1480 | ||
ab2188aa | 1481 | gdb_assert (val != NULL); |
ab2188aa PA |
1482 | |
1483 | /* If we get here with a string format, try again without it. Go | |
1484 | all the way back to the language printers, which may call us | |
1485 | again. */ | |
1486 | if (options->format == 's') | |
1487 | { | |
1488 | struct value_print_options opts = *options; | |
1489 | opts.format = 0; | |
1490 | opts.deref_ref = 0; | |
e8b24d9f | 1491 | val_print (type, embedded_offset, 0, stream, 0, val, &opts, |
ab2188aa PA |
1492 | current_language); |
1493 | return; | |
1494 | } | |
1495 | ||
e8b24d9f YQ |
1496 | /* value_contents_for_printing fetches all VAL's contents. They are |
1497 | needed to check whether VAL is optimized-out or unavailable | |
1498 | below. */ | |
1499 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1500 | ||
ab2188aa PA |
1501 | /* A scalar object that does not have all bits available can't be |
1502 | printed, because all bits contribute to its representation. */ | |
9a0dc9e3 PA |
1503 | if (value_bits_any_optimized_out (val, |
1504 | TARGET_CHAR_BIT * embedded_offset, | |
1505 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
901461f8 | 1506 | val_print_optimized_out (val, stream); |
4e07d55f PA |
1507 | else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) |
1508 | val_print_unavailable (stream); | |
ab2188aa | 1509 | else |
3ae385af | 1510 | print_scalar_formatted (valaddr + embedded_offset * unit_size, type, |
ab2188aa | 1511 | options, size, stream); |
4f2aea11 MK |
1512 | } |
1513 | ||
4f9ae810 TT |
1514 | /* See valprint.h. */ |
1515 | ||
1516 | void | |
1517 | value_print_scalar_formatted (struct value *val, | |
1518 | const struct value_print_options *options, | |
1519 | int size, | |
1520 | struct ui_file *stream) | |
1521 | { | |
1522 | struct type *type = check_typedef (value_type (val)); | |
1523 | ||
1524 | gdb_assert (val != NULL); | |
1525 | ||
1526 | /* If we get here with a string format, try again without it. Go | |
1527 | all the way back to the language printers, which may call us | |
1528 | again. */ | |
1529 | if (options->format == 's') | |
1530 | { | |
1531 | struct value_print_options opts = *options; | |
1532 | opts.format = 0; | |
1533 | opts.deref_ref = 0; | |
1534 | common_val_print (val, stream, 0, &opts, current_language); | |
1535 | return; | |
1536 | } | |
1537 | ||
1538 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1539 | needed to check whether VAL is optimized-out or unavailable | |
1540 | below. */ | |
1541 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1542 | ||
1543 | /* A scalar object that does not have all bits available can't be | |
1544 | printed, because all bits contribute to its representation. */ | |
1545 | if (value_bits_any_optimized_out (val, 0, | |
1546 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
1547 | val_print_optimized_out (val, stream); | |
1548 | else if (!value_bytes_available (val, 0, TYPE_LENGTH (type))) | |
1549 | val_print_unavailable (stream); | |
1550 | else | |
1551 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1552 | } | |
1553 | ||
c906108c SS |
1554 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1555 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1556 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1557 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1558 | format. |
bb599908 PH |
1559 | |
1560 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1561 | 'o' and 'x' format do not include the standard C radix prefix | |
1562 | (leading 0 or 0x). | |
1563 | ||
1564 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1565 | and was intended to request formatting according to the current |
bb599908 PH |
1566 | language and would be used for most integers that GDB prints. The |
1567 | exceptional cases were things like protocols where the format of | |
1568 | the integer is a protocol thing, not a user-visible thing). The | |
1569 | parameter remains to preserve the information of what things might | |
1570 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1571 | that capability. */ |
c906108c SS |
1572 | |
1573 | void | |
bb599908 | 1574 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1575 | LONGEST val_long) |
c906108c | 1576 | { |
2bfb72ee AC |
1577 | const char *val; |
1578 | ||
c906108c SS |
1579 | switch (format) |
1580 | { | |
1581 | case 'd': | |
bb599908 | 1582 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1583 | case 'u': |
bb599908 | 1584 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1585 | case 'x': |
bb599908 | 1586 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1587 | case 'b': |
bb599908 | 1588 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1589 | case 'h': |
bb599908 | 1590 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1591 | case 'w': |
bb599908 | 1592 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1593 | case 'g': |
bb599908 | 1594 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1595 | break; |
1596 | case 'o': | |
bb599908 | 1597 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1598 | default: |
3e43a32a MS |
1599 | internal_error (__FILE__, __LINE__, |
1600 | _("failed internal consistency check")); | |
bb599908 | 1601 | } |
2bfb72ee | 1602 | fputs_filtered (val, stream); |
c906108c SS |
1603 | } |
1604 | ||
c906108c SS |
1605 | /* This used to be a macro, but I don't think it is called often enough |
1606 | to merit such treatment. */ | |
1607 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1608 | arguments to a function, number in a value history, register number, etc.) | |
1609 | where the value must not be larger than can fit in an int. */ | |
1610 | ||
1611 | int | |
fba45db2 | 1612 | longest_to_int (LONGEST arg) |
c906108c | 1613 | { |
581e13c1 | 1614 | /* Let the compiler do the work. */ |
c906108c SS |
1615 | int rtnval = (int) arg; |
1616 | ||
581e13c1 | 1617 | /* Check for overflows or underflows. */ |
c906108c SS |
1618 | if (sizeof (LONGEST) > sizeof (int)) |
1619 | { | |
1620 | if (rtnval != arg) | |
1621 | { | |
8a3fe4f8 | 1622 | error (_("Value out of range.")); |
c906108c SS |
1623 | } |
1624 | } | |
1625 | return (rtnval); | |
1626 | } | |
1627 | ||
fdf0cbc2 UW |
1628 | /* Print a floating point value of floating-point type TYPE, |
1629 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1630 | |
1631 | void | |
fc1a4b47 | 1632 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1633 | struct ui_file *stream) |
c906108c | 1634 | { |
f69fdf9b | 1635 | std::string str = target_float_to_string (valaddr, type); |
3b4b2f16 | 1636 | fputs_filtered (str.c_str (), stream); |
7678ef8f TJB |
1637 | } |
1638 | ||
c5aa993b | 1639 | void |
fc1a4b47 | 1640 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1641 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1642 | { |
fc1a4b47 | 1643 | const gdb_byte *p; |
745b8ca0 | 1644 | unsigned int i; |
c5aa993b | 1645 | int b; |
30a25466 | 1646 | bool seen_a_one = false; |
c906108c SS |
1647 | |
1648 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1649 | This ensures that right shift will shift in zeros. */ |
1650 | ||
c5aa993b | 1651 | const int mask = 0x080; |
c906108c | 1652 | |
d44e8473 | 1653 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1654 | { |
1655 | for (p = valaddr; | |
1656 | p < valaddr + len; | |
1657 | p++) | |
1658 | { | |
c5aa993b | 1659 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1660 | and print from the MSB end. */ |
1661 | ||
d3abe1c8 | 1662 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1663 | { |
1664 | if (*p & (mask >> i)) | |
30a25466 | 1665 | b = '1'; |
c5aa993b | 1666 | else |
30a25466 | 1667 | b = '0'; |
c5aa993b | 1668 | |
30a25466 TT |
1669 | if (zero_pad || seen_a_one || b == '1') |
1670 | fputc_filtered (b, stream); | |
1671 | if (b == '1') | |
1672 | seen_a_one = true; | |
c5aa993b | 1673 | } |
c906108c SS |
1674 | } |
1675 | } | |
1676 | else | |
1677 | { | |
1678 | for (p = valaddr + len - 1; | |
1679 | p >= valaddr; | |
1680 | p--) | |
1681 | { | |
d3abe1c8 | 1682 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1683 | { |
1684 | if (*p & (mask >> i)) | |
30a25466 | 1685 | b = '1'; |
c5aa993b | 1686 | else |
30a25466 | 1687 | b = '0'; |
c5aa993b | 1688 | |
30a25466 TT |
1689 | if (zero_pad || seen_a_one || b == '1') |
1690 | fputc_filtered (b, stream); | |
1691 | if (b == '1') | |
1692 | seen_a_one = true; | |
c5aa993b | 1693 | } |
c906108c SS |
1694 | } |
1695 | } | |
30a25466 TT |
1696 | |
1697 | /* When not zero-padding, ensure that something is printed when the | |
1698 | input is 0. */ | |
1699 | if (!zero_pad && !seen_a_one) | |
1700 | fputc_filtered ('0', stream); | |
1701 | } | |
1702 | ||
1703 | /* A helper for print_octal_chars that emits a single octal digit, | |
1704 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1705 | ||
1706 | static void | |
1707 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1708 | { | |
1709 | if (*seen_a_one || digit != 0) | |
1710 | fprintf_filtered (stream, "%o", digit); | |
1711 | if (digit != 0) | |
1712 | *seen_a_one = true; | |
c906108c SS |
1713 | } |
1714 | ||
1715 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1716 | Print it in octal on stream or format it in buf. */ |
1717 | ||
c906108c | 1718 | void |
fc1a4b47 | 1719 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1720 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1721 | { |
fc1a4b47 | 1722 | const gdb_byte *p; |
c906108c | 1723 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1724 | int cycle; |
1725 | ||
c906108c SS |
1726 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1727 | * the extra bits, which cycle every three bytes: | |
1728 | * | |
1729 | * Byte side: 0 1 2 3 | |
1730 | * | | | | | |
1731 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1732 | * | |
1733 | * Octal side: 0 1 carry 3 4 carry ... | |
1734 | * | |
1735 | * Cycle number: 0 1 2 | |
1736 | * | |
1737 | * But of course we are printing from the high side, so we have to | |
1738 | * figure out where in the cycle we are so that we end up with no | |
1739 | * left over bits at the end. | |
1740 | */ | |
1741 | #define BITS_IN_OCTAL 3 | |
1742 | #define HIGH_ZERO 0340 | |
d6382fff | 1743 | #define LOW_ZERO 0034 |
c906108c | 1744 | #define CARRY_ZERO 0003 |
d6382fff TT |
1745 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1746 | "cycle zero constants are wrong"); | |
c906108c SS |
1747 | #define HIGH_ONE 0200 |
1748 | #define MID_ONE 0160 | |
1749 | #define LOW_ONE 0016 | |
1750 | #define CARRY_ONE 0001 | |
d6382fff TT |
1751 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1752 | "cycle one constants are wrong"); | |
c906108c SS |
1753 | #define HIGH_TWO 0300 |
1754 | #define MID_TWO 0070 | |
1755 | #define LOW_TWO 0007 | |
d6382fff TT |
1756 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1757 | "cycle two constants are wrong"); | |
c906108c SS |
1758 | |
1759 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1760 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1761 | ||
d3abe1c8 | 1762 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1763 | carry = 0; |
c5aa993b | 1764 | |
bb599908 | 1765 | fputs_filtered ("0", stream); |
30a25466 | 1766 | bool seen_a_one = false; |
d44e8473 | 1767 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1768 | { |
1769 | for (p = valaddr; | |
1770 | p < valaddr + len; | |
1771 | p++) | |
1772 | { | |
c5aa993b JM |
1773 | switch (cycle) |
1774 | { | |
1775 | case 0: | |
581e13c1 MS |
1776 | /* No carry in, carry out two bits. */ |
1777 | ||
c5aa993b JM |
1778 | octa1 = (HIGH_ZERO & *p) >> 5; |
1779 | octa2 = (LOW_ZERO & *p) >> 2; | |
1780 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1781 | emit_octal_digit (stream, &seen_a_one, octa1); |
1782 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1783 | break; |
1784 | ||
1785 | case 1: | |
581e13c1 MS |
1786 | /* Carry in two bits, carry out one bit. */ |
1787 | ||
c5aa993b JM |
1788 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1789 | octa2 = (MID_ONE & *p) >> 4; | |
1790 | octa3 = (LOW_ONE & *p) >> 1; | |
1791 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1792 | emit_octal_digit (stream, &seen_a_one, octa1); |
1793 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1794 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1795 | break; |
1796 | ||
1797 | case 2: | |
581e13c1 MS |
1798 | /* Carry in one bit, no carry out. */ |
1799 | ||
c5aa993b JM |
1800 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1801 | octa2 = (MID_TWO & *p) >> 3; | |
1802 | octa3 = (LOW_TWO & *p); | |
1803 | carry = 0; | |
30a25466 TT |
1804 | emit_octal_digit (stream, &seen_a_one, octa1); |
1805 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1806 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1807 | break; |
1808 | ||
1809 | default: | |
8a3fe4f8 | 1810 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1811 | } |
1812 | ||
1813 | cycle++; | |
1814 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1815 | } |
1816 | } | |
1817 | else | |
1818 | { | |
1819 | for (p = valaddr + len - 1; | |
1820 | p >= valaddr; | |
1821 | p--) | |
1822 | { | |
c5aa993b JM |
1823 | switch (cycle) |
1824 | { | |
1825 | case 0: | |
1826 | /* Carry out, no carry in */ | |
581e13c1 | 1827 | |
c5aa993b JM |
1828 | octa1 = (HIGH_ZERO & *p) >> 5; |
1829 | octa2 = (LOW_ZERO & *p) >> 2; | |
1830 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1831 | emit_octal_digit (stream, &seen_a_one, octa1); |
1832 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1833 | break; |
1834 | ||
1835 | case 1: | |
1836 | /* Carry in, carry out */ | |
581e13c1 | 1837 | |
c5aa993b JM |
1838 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1839 | octa2 = (MID_ONE & *p) >> 4; | |
1840 | octa3 = (LOW_ONE & *p) >> 1; | |
1841 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1842 | emit_octal_digit (stream, &seen_a_one, octa1); |
1843 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1844 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1845 | break; |
1846 | ||
1847 | case 2: | |
1848 | /* Carry in, no carry out */ | |
581e13c1 | 1849 | |
c5aa993b JM |
1850 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1851 | octa2 = (MID_TWO & *p) >> 3; | |
1852 | octa3 = (LOW_TWO & *p); | |
1853 | carry = 0; | |
30a25466 TT |
1854 | emit_octal_digit (stream, &seen_a_one, octa1); |
1855 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1856 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1857 | break; |
1858 | ||
1859 | default: | |
8a3fe4f8 | 1860 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1861 | } |
1862 | ||
1863 | cycle++; | |
1864 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1865 | } |
1866 | } | |
1867 | ||
c906108c SS |
1868 | } |
1869 | ||
4ac0cb1c TT |
1870 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1871 | bytes in the specified byte order. If the integer is negative, | |
1872 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1873 | nothing and return false. */ | |
1874 | ||
1875 | static bool | |
1876 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1877 | enum bfd_endian byte_order, | |
d5722aa2 | 1878 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1879 | { |
1880 | gdb_byte sign_byte; | |
eb77c9df | 1881 | gdb_assert (len > 0); |
4ac0cb1c TT |
1882 | if (byte_order == BFD_ENDIAN_BIG) |
1883 | sign_byte = bytes[0]; | |
1884 | else | |
1885 | sign_byte = bytes[len - 1]; | |
1886 | if ((sign_byte & 0x80) == 0) | |
1887 | return false; | |
1888 | ||
1889 | out_vec->resize (len); | |
1890 | ||
1891 | /* Compute -x == 1 + ~x. */ | |
1892 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1893 | { | |
1894 | unsigned carry = 1; | |
1895 | for (unsigned i = 0; i < len; ++i) | |
1896 | { | |
1897 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1898 | (*out_vec)[i] = tem & 0xff; | |
1899 | carry = tem / 256; | |
1900 | } | |
1901 | } | |
1902 | else | |
1903 | { | |
1904 | unsigned carry = 1; | |
1905 | for (unsigned i = len; i > 0; --i) | |
1906 | { | |
1907 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1908 | (*out_vec)[i - 1] = tem & 0xff; | |
1909 | carry = tem / 256; | |
1910 | } | |
1911 | } | |
1912 | ||
1913 | return true; | |
1914 | } | |
1915 | ||
c906108c | 1916 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1917 | Print it in decimal on stream or format it in buf. */ |
1918 | ||
c906108c | 1919 | void |
fc1a4b47 | 1920 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1921 | unsigned len, bool is_signed, |
1922 | enum bfd_endian byte_order) | |
c906108c SS |
1923 | { |
1924 | #define TEN 10 | |
c5aa993b | 1925 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1926 | #define CARRY_LEFT( x ) ((x) % TEN) |
1927 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1928 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1929 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1930 | ||
fc1a4b47 | 1931 | const gdb_byte *p; |
c5aa993b JM |
1932 | int carry; |
1933 | int decimal_len; | |
1934 | int i, j, decimal_digits; | |
1935 | int dummy; | |
1936 | int flip; | |
1937 | ||
d5722aa2 | 1938 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1939 | if (is_signed |
1940 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1941 | { | |
1942 | fputs_filtered ("-", stream); | |
1943 | valaddr = negated_bytes.data (); | |
1944 | } | |
1945 | ||
c906108c | 1946 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1947 | as the base 16 number, which is 2 digits per byte. */ |
1948 | ||
c906108c | 1949 | decimal_len = len * 2 * 2; |
30a25466 | 1950 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1951 | |
c906108c SS |
1952 | /* Ok, we have an unknown number of bytes of data to be printed in |
1953 | * decimal. | |
1954 | * | |
1955 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1956 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1957 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1958 | * | |
1959 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1960 | * the individual digits are > 10. |
c906108c SS |
1961 | * |
1962 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1963 | * LSD end. | |
1964 | */ | |
c5aa993b | 1965 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1966 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1967 | flip = 0; |
d44e8473 | 1968 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1969 | { |
c906108c SS |
1970 | /* |
1971 | * Multiply current base-ten number by 16 in place. | |
1972 | * Each digit was between 0 and 9, now is between | |
1973 | * 0 and 144. | |
1974 | */ | |
c5aa993b JM |
1975 | for (j = 0; j < decimal_digits; j++) |
1976 | { | |
1977 | digits[j] = SHIFT (digits[j]); | |
1978 | } | |
1979 | ||
c906108c SS |
1980 | /* Take the next nibble off the input and add it to what |
1981 | * we've got in the LSB position. Bottom 'digit' is now | |
1982 | * between 0 and 159. | |
1983 | * | |
1984 | * "flip" is used to run this loop twice for each byte. | |
1985 | */ | |
c5aa993b JM |
1986 | if (flip == 0) |
1987 | { | |
581e13c1 MS |
1988 | /* Take top nibble. */ |
1989 | ||
c5aa993b JM |
1990 | digits[0] += HIGH_NIBBLE (*p); |
1991 | flip = 1; | |
1992 | } | |
1993 | else | |
1994 | { | |
581e13c1 MS |
1995 | /* Take low nibble and bump our pointer "p". */ |
1996 | ||
c5aa993b | 1997 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1998 | if (byte_order == BFD_ENDIAN_BIG) |
1999 | p++; | |
2000 | else | |
2001 | p--; | |
c5aa993b JM |
2002 | flip = 0; |
2003 | } | |
c906108c SS |
2004 | |
2005 | /* Re-decimalize. We have to do this often enough | |
2006 | * that we don't overflow, but once per nibble is | |
2007 | * overkill. Easier this way, though. Note that the | |
2008 | * carry is often larger than 10 (e.g. max initial | |
2009 | * carry out of lowest nibble is 15, could bubble all | |
2010 | * the way up greater than 10). So we have to do | |
2011 | * the carrying beyond the last current digit. | |
2012 | */ | |
2013 | carry = 0; | |
c5aa993b JM |
2014 | for (j = 0; j < decimal_len - 1; j++) |
2015 | { | |
2016 | digits[j] += carry; | |
2017 | ||
2018 | /* "/" won't handle an unsigned char with | |
2019 | * a value that if signed would be negative. | |
2020 | * So extend to longword int via "dummy". | |
2021 | */ | |
2022 | dummy = digits[j]; | |
2023 | carry = CARRY_OUT (dummy); | |
2024 | digits[j] = CARRY_LEFT (dummy); | |
2025 | ||
2026 | if (j >= decimal_digits && carry == 0) | |
2027 | { | |
2028 | /* | |
2029 | * All higher digits are 0 and we | |
2030 | * no longer have a carry. | |
2031 | * | |
2032 | * Note: "j" is 0-based, "decimal_digits" is | |
2033 | * 1-based. | |
2034 | */ | |
2035 | decimal_digits = j + 1; | |
2036 | break; | |
2037 | } | |
2038 | } | |
2039 | } | |
c906108c SS |
2040 | |
2041 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
2042 | the "decimal_digits" actual digits. Print! */ |
2043 | ||
30a25466 TT |
2044 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
2045 | ; | |
2046 | ||
2047 | for (; i >= 0; i--) | |
c5aa993b JM |
2048 | { |
2049 | fprintf_filtered (stream, "%1d", digits[i]); | |
2050 | } | |
c906108c SS |
2051 | } |
2052 | ||
2053 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
2054 | ||
6b9acc27 | 2055 | void |
fc1a4b47 | 2056 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
2057 | unsigned len, enum bfd_endian byte_order, |
2058 | bool zero_pad) | |
c906108c | 2059 | { |
fc1a4b47 | 2060 | const gdb_byte *p; |
c906108c | 2061 | |
bb599908 | 2062 | fputs_filtered ("0x", stream); |
d44e8473 | 2063 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 2064 | { |
30a25466 TT |
2065 | p = valaddr; |
2066 | ||
2067 | if (!zero_pad) | |
2068 | { | |
2069 | /* Strip leading 0 bytes, but be sure to leave at least a | |
2070 | single byte at the end. */ | |
2071 | for (; p < valaddr + len - 1 && !*p; ++p) | |
2072 | ; | |
2073 | } | |
2074 | ||
2075 | const gdb_byte *first = p; | |
2076 | for (; | |
c906108c SS |
2077 | p < valaddr + len; |
2078 | p++) | |
2079 | { | |
30a25466 TT |
2080 | /* When not zero-padding, use a different format for the |
2081 | very first byte printed. */ | |
2082 | if (!zero_pad && p == first) | |
2083 | fprintf_filtered (stream, "%x", *p); | |
2084 | else | |
2085 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
2086 | } |
2087 | } | |
2088 | else | |
2089 | { | |
30a25466 TT |
2090 | p = valaddr + len - 1; |
2091 | ||
2092 | if (!zero_pad) | |
2093 | { | |
2094 | /* Strip leading 0 bytes, but be sure to leave at least a | |
2095 | single byte at the end. */ | |
2096 | for (; p >= valaddr + 1 && !*p; --p) | |
2097 | ; | |
2098 | } | |
2099 | ||
2100 | const gdb_byte *first = p; | |
2101 | for (; | |
c906108c SS |
2102 | p >= valaddr; |
2103 | p--) | |
2104 | { | |
30a25466 TT |
2105 | /* When not zero-padding, use a different format for the |
2106 | very first byte printed. */ | |
2107 | if (!zero_pad && p == first) | |
2108 | fprintf_filtered (stream, "%x", *p); | |
2109 | else | |
2110 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
2111 | } |
2112 | } | |
c906108c SS |
2113 | } |
2114 | ||
3e43a32a | 2115 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 2116 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
2117 | Omit any leading zero chars. */ |
2118 | ||
2119 | void | |
6c7a06a3 TT |
2120 | print_char_chars (struct ui_file *stream, struct type *type, |
2121 | const gdb_byte *valaddr, | |
d44e8473 | 2122 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 2123 | { |
fc1a4b47 | 2124 | const gdb_byte *p; |
6b9acc27 | 2125 | |
d44e8473 | 2126 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
2127 | { |
2128 | p = valaddr; | |
2129 | while (p < valaddr + len - 1 && *p == 0) | |
2130 | ++p; | |
2131 | ||
2132 | while (p < valaddr + len) | |
2133 | { | |
6c7a06a3 | 2134 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
2135 | ++p; |
2136 | } | |
2137 | } | |
2138 | else | |
2139 | { | |
2140 | p = valaddr + len - 1; | |
2141 | while (p > valaddr && *p == 0) | |
2142 | --p; | |
2143 | ||
2144 | while (p >= valaddr) | |
2145 | { | |
6c7a06a3 | 2146 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
2147 | --p; |
2148 | } | |
2149 | } | |
2150 | } | |
2151 | ||
132c57b4 TT |
2152 | /* Print function pointer with inferior address ADDRESS onto stdio |
2153 | stream STREAM. */ | |
2154 | ||
2155 | void | |
edf0c1b7 TT |
2156 | print_function_pointer_address (const struct value_print_options *options, |
2157 | struct gdbarch *gdbarch, | |
132c57b4 | 2158 | CORE_ADDR address, |
edf0c1b7 | 2159 | struct ui_file *stream) |
132c57b4 TT |
2160 | { |
2161 | CORE_ADDR func_addr | |
2162 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
8b88a78e | 2163 | current_top_target ()); |
132c57b4 TT |
2164 | |
2165 | /* If the function pointer is represented by a description, print | |
2166 | the address of the description. */ | |
edf0c1b7 | 2167 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
2168 | { |
2169 | fputs_filtered ("@", stream); | |
2170 | fputs_filtered (paddress (gdbarch, address), stream); | |
2171 | fputs_filtered (": ", stream); | |
2172 | } | |
edf0c1b7 | 2173 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
2174 | } |
2175 | ||
2176 | ||
79a45b7d | 2177 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
2178 | at INDEX of an array whose index type is INDEX_TYPE. */ |
2179 | ||
2180 | void | |
2181 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
2182 | struct ui_file *stream, |
2183 | const struct value_print_options *options) | |
e79af960 JB |
2184 | { |
2185 | struct value *index_value; | |
2186 | ||
79a45b7d | 2187 | if (!options->print_array_indexes) |
e79af960 JB |
2188 | return; |
2189 | ||
2190 | index_value = value_from_longest (index_type, index); | |
2191 | ||
79a45b7d TT |
2192 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
2193 | } | |
e79af960 | 2194 | |
c906108c | 2195 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 2196 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 2197 | |
c5aa993b JM |
2198 | (FIXME?) Assumes array element separator is a comma, which is correct |
2199 | for all languages currently handled. | |
2200 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 2201 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
2202 | |
2203 | void | |
490f124f | 2204 | val_print_array_elements (struct type *type, |
e8b24d9f | 2205 | LONGEST embedded_offset, |
a2bd3dcd | 2206 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 2207 | int recurse, |
e8b24d9f | 2208 | struct value *val, |
79a45b7d | 2209 | const struct value_print_options *options, |
fba45db2 | 2210 | unsigned int i) |
c906108c SS |
2211 | { |
2212 | unsigned int things_printed = 0; | |
2213 | unsigned len; | |
aa715135 | 2214 | struct type *elttype, *index_type, *base_index_type; |
c906108c SS |
2215 | unsigned eltlen; |
2216 | /* Position of the array element we are examining to see | |
2217 | whether it is repeated. */ | |
2218 | unsigned int rep1; | |
2219 | /* Number of repetitions we have detected so far. */ | |
2220 | unsigned int reps; | |
dbc98a8b | 2221 | LONGEST low_bound, high_bound; |
aa715135 | 2222 | LONGEST low_pos, high_pos; |
c5aa993b | 2223 | |
c906108c | 2224 | elttype = TYPE_TARGET_TYPE (type); |
3ae385af | 2225 | eltlen = type_length_units (check_typedef (elttype)); |
e79af960 | 2226 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 2227 | |
dbc98a8b | 2228 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b | 2229 | { |
aa715135 JG |
2230 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
2231 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
2232 | else | |
2233 | base_index_type = index_type; | |
2234 | ||
2235 | /* Non-contiguous enumerations types can by used as index types | |
2236 | in some languages (e.g. Ada). In this case, the array length | |
2237 | shall be computed from the positions of the first and last | |
2238 | literal in the enumeration type, and not from the values | |
2239 | of these literals. */ | |
2240 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
2241 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
2242 | { | |
2243 | warning (_("unable to get positions in array, use bounds instead")); | |
2244 | low_pos = low_bound; | |
2245 | high_pos = high_bound; | |
2246 | } | |
2247 | ||
2248 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
75be741b | 2249 | But we have to be a little extra careful, because some languages |
aa715135 | 2250 | such as Ada allow LOW_POS to be greater than HIGH_POS for |
75be741b JB |
2251 | empty arrays. In that situation, the array length is just zero, |
2252 | not negative! */ | |
aa715135 | 2253 | if (low_pos > high_pos) |
75be741b JB |
2254 | len = 0; |
2255 | else | |
aa715135 | 2256 | len = high_pos - low_pos + 1; |
75be741b | 2257 | } |
e936309c JB |
2258 | else |
2259 | { | |
dbc98a8b KW |
2260 | warning (_("unable to get bounds of array, assuming null array")); |
2261 | low_bound = 0; | |
2262 | len = 0; | |
168de233 JB |
2263 | } |
2264 | ||
c906108c SS |
2265 | annotate_array_section_begin (i, elttype); |
2266 | ||
79a45b7d | 2267 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
2268 | { |
2269 | if (i != 0) | |
2270 | { | |
2a998fc0 | 2271 | if (options->prettyformat_arrays) |
c906108c SS |
2272 | { |
2273 | fprintf_filtered (stream, ",\n"); | |
2274 | print_spaces_filtered (2 + 2 * recurse, stream); | |
2275 | } | |
2276 | else | |
2277 | { | |
2278 | fprintf_filtered (stream, ", "); | |
2279 | } | |
2280 | } | |
2281 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 2282 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 2283 | stream, options); |
c906108c SS |
2284 | |
2285 | rep1 = i + 1; | |
2286 | reps = 1; | |
35bef4fd TT |
2287 | /* Only check for reps if repeat_count_threshold is not set to |
2288 | UINT_MAX (unlimited). */ | |
2289 | if (options->repeat_count_threshold < UINT_MAX) | |
c906108c | 2290 | { |
35bef4fd | 2291 | while (rep1 < len |
9a0dc9e3 PA |
2292 | && value_contents_eq (val, |
2293 | embedded_offset + i * eltlen, | |
2294 | val, | |
2295 | (embedded_offset | |
2296 | + rep1 * eltlen), | |
2297 | eltlen)) | |
35bef4fd TT |
2298 | { |
2299 | ++reps; | |
2300 | ++rep1; | |
2301 | } | |
c906108c SS |
2302 | } |
2303 | ||
79a45b7d | 2304 | if (reps > options->repeat_count_threshold) |
c906108c | 2305 | { |
e8b24d9f | 2306 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f PA |
2307 | address, stream, recurse + 1, val, options, |
2308 | current_language); | |
c906108c | 2309 | annotate_elt_rep (reps); |
7f6aba03 TT |
2310 | fprintf_filtered (stream, " %p[<repeats %u times>%p]", |
2311 | metadata_style.style ().ptr (), reps, nullptr); | |
c906108c SS |
2312 | annotate_elt_rep_end (); |
2313 | ||
2314 | i = rep1 - 1; | |
79a45b7d | 2315 | things_printed += options->repeat_count_threshold; |
c906108c SS |
2316 | } |
2317 | else | |
2318 | { | |
e8b24d9f | 2319 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f | 2320 | address, |
0e03807e | 2321 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
2322 | annotate_elt (); |
2323 | things_printed++; | |
2324 | } | |
2325 | } | |
2326 | annotate_array_section_end (); | |
2327 | if (i < len) | |
2328 | { | |
2329 | fprintf_filtered (stream, "..."); | |
2330 | } | |
2331 | } | |
2332 | ||
d121c6ce TT |
2333 | /* See valprint.h. */ |
2334 | ||
2335 | void | |
2336 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
2337 | int recurse, | |
2338 | const struct value_print_options *options, | |
2339 | unsigned int i) | |
2340 | { | |
2341 | unsigned int things_printed = 0; | |
2342 | unsigned len; | |
2343 | struct type *elttype, *index_type, *base_index_type; | |
2344 | unsigned eltlen; | |
2345 | /* Position of the array element we are examining to see | |
2346 | whether it is repeated. */ | |
2347 | unsigned int rep1; | |
2348 | /* Number of repetitions we have detected so far. */ | |
2349 | unsigned int reps; | |
2350 | LONGEST low_bound, high_bound; | |
2351 | LONGEST low_pos, high_pos; | |
2352 | ||
2353 | struct type *type = check_typedef (value_type (val)); | |
2354 | ||
2355 | elttype = TYPE_TARGET_TYPE (type); | |
2356 | eltlen = type_length_units (check_typedef (elttype)); | |
2357 | index_type = TYPE_INDEX_TYPE (type); | |
2358 | ||
2359 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
2360 | { | |
2361 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) | |
2362 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
2363 | else | |
2364 | base_index_type = index_type; | |
2365 | ||
2366 | /* Non-contiguous enumerations types can by used as index types | |
2367 | in some languages (e.g. Ada). In this case, the array length | |
2368 | shall be computed from the positions of the first and last | |
2369 | literal in the enumeration type, and not from the values | |
2370 | of these literals. */ | |
2371 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
2372 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
2373 | { | |
2374 | warning (_("unable to get positions in array, use bounds instead")); | |
2375 | low_pos = low_bound; | |
2376 | high_pos = high_bound; | |
2377 | } | |
2378 | ||
2379 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
2380 | But we have to be a little extra careful, because some languages | |
2381 | such as Ada allow LOW_POS to be greater than HIGH_POS for | |
2382 | empty arrays. In that situation, the array length is just zero, | |
2383 | not negative! */ | |
2384 | if (low_pos > high_pos) | |
2385 | len = 0; | |
2386 | else | |
2387 | len = high_pos - low_pos + 1; | |
2388 | } | |
2389 | else | |
2390 | { | |
2391 | warning (_("unable to get bounds of array, assuming null array")); | |
2392 | low_bound = 0; | |
2393 | len = 0; | |
2394 | } | |
2395 | ||
2396 | annotate_array_section_begin (i, elttype); | |
2397 | ||
2398 | for (; i < len && things_printed < options->print_max; i++) | |
2399 | { | |
2400 | scoped_value_mark free_values; | |
2401 | ||
2402 | if (i != 0) | |
2403 | { | |
2404 | if (options->prettyformat_arrays) | |
2405 | { | |
2406 | fprintf_filtered (stream, ",\n"); | |
2407 | print_spaces_filtered (2 + 2 * recurse, stream); | |
2408 | } | |
2409 | else | |
2410 | fprintf_filtered (stream, ", "); | |
2411 | } | |
2412 | wrap_here (n_spaces (2 + 2 * recurse)); | |
2413 | maybe_print_array_index (index_type, i + low_bound, | |
2414 | stream, options); | |
2415 | ||
2416 | rep1 = i + 1; | |
2417 | reps = 1; | |
2418 | /* Only check for reps if repeat_count_threshold is not set to | |
2419 | UINT_MAX (unlimited). */ | |
2420 | if (options->repeat_count_threshold < UINT_MAX) | |
2421 | { | |
2422 | while (rep1 < len | |
2423 | && value_contents_eq (val, i * eltlen, | |
2424 | val, rep1 * eltlen, | |
2425 | eltlen)) | |
2426 | { | |
2427 | ++reps; | |
2428 | ++rep1; | |
2429 | } | |
2430 | } | |
2431 | ||
2432 | struct value *element = value_from_component (val, elttype, eltlen * i); | |
2433 | common_val_print (element, stream, recurse + 1, options, | |
2434 | current_language); | |
2435 | ||
2436 | if (reps > options->repeat_count_threshold) | |
2437 | { | |
2438 | annotate_elt_rep (reps); | |
2439 | fprintf_filtered (stream, " %p[<repeats %u times>%p]", | |
2440 | metadata_style.style ().ptr (), reps, nullptr); | |
2441 | annotate_elt_rep_end (); | |
2442 | ||
2443 | i = rep1 - 1; | |
2444 | things_printed += options->repeat_count_threshold; | |
2445 | } | |
2446 | else | |
2447 | { | |
2448 | annotate_elt (); | |
2449 | things_printed++; | |
2450 | } | |
2451 | } | |
2452 | annotate_array_section_end (); | |
2453 | if (i < len) | |
2454 | fprintf_filtered (stream, "..."); | |
2455 | } | |
2456 | ||
917317f4 JM |
2457 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
2458 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 2459 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 2460 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
2461 | |
2462 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
2463 | function be eliminated. */ | |
2464 | ||
2465 | static int | |
3e43a32a | 2466 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 2467 | int len, int *errptr) |
917317f4 | 2468 | { |
581e13c1 MS |
2469 | int nread; /* Number of bytes actually read. */ |
2470 | int errcode; /* Error from last read. */ | |
917317f4 | 2471 | |
581e13c1 | 2472 | /* First try a complete read. */ |
917317f4 JM |
2473 | errcode = target_read_memory (memaddr, myaddr, len); |
2474 | if (errcode == 0) | |
2475 | { | |
581e13c1 | 2476 | /* Got it all. */ |
917317f4 JM |
2477 | nread = len; |
2478 | } | |
2479 | else | |
2480 | { | |
581e13c1 | 2481 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
2482 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
2483 | { | |
2484 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2485 | } | |
581e13c1 | 2486 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2487 | if (errcode != 0) |
2488 | { | |
2489 | nread--; | |
2490 | } | |
2491 | } | |
578d3588 | 2492 | if (errptr != NULL) |
917317f4 | 2493 | { |
578d3588 | 2494 | *errptr = errcode; |
917317f4 JM |
2495 | } |
2496 | return (nread); | |
2497 | } | |
2498 | ||
b4be9fad TT |
2499 | /* Read a string from the inferior, at ADDR, with LEN characters of |
2500 | WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER | |
2501 | will be set to a newly allocated buffer containing the string, and | |
2502 | BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2503 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2504 | |
f380848e SA |
2505 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2506 | (including eventual NULs in the middle or end of the string). | |
2507 | ||
2508 | If LEN is -1, stops at the first null character (not necessarily | |
2509 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2510 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2511 | the string. | |
ae6a3a4c TJB |
2512 | |
2513 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2514 | failure. In this case, some characters might have been read before the | |
2515 | failure happened. Check BYTES_READ to recognize this situation. | |
2516 | ||
2517 | Note: There was a FIXME asking to make this code use target_read_string, | |
2518 | but this function is more general (can read past null characters, up to | |
581e13c1 | 2519 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
2520 | so it is more tested. Perhaps callers of target_read_string should use |
2521 | this function instead? */ | |
c906108c SS |
2522 | |
2523 | int | |
ae6a3a4c | 2524 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
b4be9fad TT |
2525 | enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer, |
2526 | int *bytes_read) | |
c906108c | 2527 | { |
ae6a3a4c TJB |
2528 | int errcode; /* Errno returned from bad reads. */ |
2529 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2530 | gdb_byte *bufptr; /* Pointer to next available byte in |
2531 | buffer. */ | |
ae6a3a4c | 2532 | |
ae6a3a4c TJB |
2533 | /* Loop until we either have all the characters, or we encounter |
2534 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2535 | |
b4be9fad | 2536 | buffer->reset (nullptr); |
c906108c SS |
2537 | |
2538 | if (len > 0) | |
2539 | { | |
88db67ef YQ |
2540 | /* We want fetchlimit chars, so we might as well read them all in |
2541 | one operation. */ | |
325fac50 | 2542 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e | 2543 | |
b4be9fad TT |
2544 | buffer->reset ((gdb_byte *) xmalloc (fetchlen * width)); |
2545 | bufptr = buffer->get (); | |
c906108c | 2546 | |
f380848e | 2547 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2548 | / width; |
2549 | addr += nfetch * width; | |
2550 | bufptr += nfetch * width; | |
2551 | } | |
2552 | else if (len == -1) | |
2553 | { | |
2554 | unsigned long bufsize = 0; | |
88db67ef YQ |
2555 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2556 | int found_nul; /* Non-zero if we found the nul char. */ | |
2557 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2558 | ||
2559 | found_nul = 0; | |
2560 | /* We are looking for a NUL terminator to end the fetching, so we | |
2561 | might as well read in blocks that are large enough to be efficient, | |
2562 | but not so large as to be slow if fetchlimit happens to be large. | |
2563 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2564 | instead of 8 but 200 is way too big for remote debugging over a | |
2565 | serial line. */ | |
325fac50 | 2566 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2567 | |
c906108c SS |
2568 | do |
2569 | { | |
2570 | QUIT; | |
325fac50 | 2571 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2572 | |
ae6a3a4c | 2573 | if (*buffer == NULL) |
b4be9fad | 2574 | buffer->reset ((gdb_byte *) xmalloc (nfetch * width)); |
c906108c | 2575 | else |
b4be9fad TT |
2576 | buffer->reset ((gdb_byte *) xrealloc (buffer->release (), |
2577 | (nfetch + bufsize) * width)); | |
c906108c | 2578 | |
b4be9fad | 2579 | bufptr = buffer->get () + bufsize * width; |
c906108c SS |
2580 | bufsize += nfetch; |
2581 | ||
ae6a3a4c | 2582 | /* Read as much as we can. */ |
917317f4 | 2583 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2584 | / width; |
c906108c | 2585 | |
ae6a3a4c | 2586 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2587 | to print. If found, we don't need to fetch any more. Note |
2588 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2589 | after the null character, or at the next character after the end |
2590 | of the buffer. */ | |
c906108c SS |
2591 | |
2592 | limit = bufptr + nfetch * width; | |
2593 | while (bufptr < limit) | |
2594 | { | |
2595 | unsigned long c; | |
2596 | ||
e17a4113 | 2597 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2598 | addr += width; |
2599 | bufptr += width; | |
2600 | if (c == 0) | |
2601 | { | |
2602 | /* We don't care about any error which happened after | |
ae6a3a4c | 2603 | the NUL terminator. */ |
c906108c SS |
2604 | errcode = 0; |
2605 | found_nul = 1; | |
2606 | break; | |
2607 | } | |
2608 | } | |
2609 | } | |
c5aa993b | 2610 | while (errcode == 0 /* no error */ |
b4be9fad | 2611 | && bufptr - buffer->get () < fetchlimit * width /* no overrun */ |
ae6a3a4c | 2612 | && !found_nul); /* haven't found NUL yet */ |
c906108c SS |
2613 | } |
2614 | else | |
ae6a3a4c TJB |
2615 | { /* Length of string is really 0! */ |
2616 | /* We always allocate *buffer. */ | |
b4be9fad TT |
2617 | buffer->reset ((gdb_byte *) xmalloc (1)); |
2618 | bufptr = buffer->get (); | |
c906108c SS |
2619 | errcode = 0; |
2620 | } | |
2621 | ||
2622 | /* bufptr and addr now point immediately beyond the last byte which we | |
2623 | consider part of the string (including a '\0' which ends the string). */ | |
b4be9fad | 2624 | *bytes_read = bufptr - buffer->get (); |
ae6a3a4c TJB |
2625 | |
2626 | QUIT; | |
2627 | ||
ae6a3a4c TJB |
2628 | return errcode; |
2629 | } | |
2630 | ||
3b2b8fea TT |
2631 | /* Return true if print_wchar can display W without resorting to a |
2632 | numeric escape, false otherwise. */ | |
2633 | ||
2634 | static int | |
2635 | wchar_printable (gdb_wchar_t w) | |
2636 | { | |
2637 | return (gdb_iswprint (w) | |
2638 | || w == LCST ('\a') || w == LCST ('\b') | |
2639 | || w == LCST ('\f') || w == LCST ('\n') | |
2640 | || w == LCST ('\r') || w == LCST ('\t') | |
2641 | || w == LCST ('\v')); | |
2642 | } | |
2643 | ||
2644 | /* A helper function that converts the contents of STRING to wide | |
2645 | characters and then appends them to OUTPUT. */ | |
2646 | ||
2647 | static void | |
2648 | append_string_as_wide (const char *string, | |
2649 | struct obstack *output) | |
2650 | { | |
2651 | for (; *string; ++string) | |
2652 | { | |
2653 | gdb_wchar_t w = gdb_btowc (*string); | |
2654 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2655 | } | |
2656 | } | |
2657 | ||
2658 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2659 | original (target) bytes representing the character, ORIG_LEN is the | |
2660 | number of valid bytes. WIDTH is the number of bytes in a base | |
2661 | characters of the type. OUTPUT is an obstack to which wide | |
2662 | characters are emitted. QUOTER is a (narrow) character indicating | |
2663 | the style of quotes surrounding the character to be printed. | |
2664 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2665 | escapes across calls. */ | |
2666 | ||
2667 | static void | |
2668 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2669 | int orig_len, int width, | |
2670 | enum bfd_endian byte_order, | |
2671 | struct obstack *output, | |
2672 | int quoter, int *need_escapep) | |
2673 | { | |
2674 | int need_escape = *need_escapep; | |
2675 | ||
2676 | *need_escapep = 0; | |
3b2b8fea | 2677 | |
95c64f92 YQ |
2678 | /* iswprint implementation on Windows returns 1 for tab character. |
2679 | In order to avoid different printout on this host, we explicitly | |
2680 | use wchar_printable function. */ | |
2681 | switch (w) | |
3b2b8fea | 2682 | { |
95c64f92 YQ |
2683 | case LCST ('\a'): |
2684 | obstack_grow_wstr (output, LCST ("\\a")); | |
2685 | break; | |
2686 | case LCST ('\b'): | |
2687 | obstack_grow_wstr (output, LCST ("\\b")); | |
2688 | break; | |
2689 | case LCST ('\f'): | |
2690 | obstack_grow_wstr (output, LCST ("\\f")); | |
2691 | break; | |
2692 | case LCST ('\n'): | |
2693 | obstack_grow_wstr (output, LCST ("\\n")); | |
2694 | break; | |
2695 | case LCST ('\r'): | |
2696 | obstack_grow_wstr (output, LCST ("\\r")); | |
2697 | break; | |
2698 | case LCST ('\t'): | |
2699 | obstack_grow_wstr (output, LCST ("\\t")); | |
2700 | break; | |
2701 | case LCST ('\v'): | |
2702 | obstack_grow_wstr (output, LCST ("\\v")); | |
2703 | break; | |
2704 | default: | |
3b2b8fea | 2705 | { |
95c64f92 YQ |
2706 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2707 | && w != LCST ('8') | |
2708 | && w != LCST ('9')))) | |
2709 | { | |
2710 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2711 | |
95c64f92 YQ |
2712 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2713 | obstack_grow_wstr (output, LCST ("\\")); | |
2714 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2715 | } | |
2716 | else | |
2717 | { | |
2718 | int i; | |
3b2b8fea | 2719 | |
95c64f92 YQ |
2720 | for (i = 0; i + width <= orig_len; i += width) |
2721 | { | |
2722 | char octal[30]; | |
2723 | ULONGEST value; | |
2724 | ||
2725 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2726 | byte_order); |
95c64f92 YQ |
2727 | /* If the value fits in 3 octal digits, print it that |
2728 | way. Otherwise, print it as a hex escape. */ | |
2729 | if (value <= 0777) | |
2730 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2731 | (int) (value & 0777)); | |
2732 | else | |
2733 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2734 | append_string_as_wide (octal, output); | |
2735 | } | |
2736 | /* If we somehow have extra bytes, print them now. */ | |
2737 | while (i < orig_len) | |
2738 | { | |
2739 | char octal[5]; | |
2740 | ||
2741 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2742 | append_string_as_wide (octal, output); | |
2743 | ++i; | |
2744 | } | |
2745 | ||
2746 | *need_escapep = 1; | |
2747 | } | |
3b2b8fea TT |
2748 | break; |
2749 | } | |
2750 | } | |
2751 | } | |
2752 | ||
2753 | /* Print the character C on STREAM as part of the contents of a | |
2754 | literal string whose delimiter is QUOTER. ENCODING names the | |
2755 | encoding of C. */ | |
2756 | ||
2757 | void | |
2758 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2759 | int quoter, const char *encoding) | |
2760 | { | |
2761 | enum bfd_endian byte_order | |
34877895 | 2762 | = type_byte_order (type); |
b926417a | 2763 | gdb_byte *c_buf; |
3b2b8fea TT |
2764 | int need_escape = 0; |
2765 | ||
b926417a TT |
2766 | c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
2767 | pack_long (c_buf, type, c); | |
3b2b8fea | 2768 | |
b926417a | 2769 | wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2770 | |
2771 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2772 | auto_obstack wchar_buf; |
3b2b8fea TT |
2773 | |
2774 | while (1) | |
2775 | { | |
2776 | int num_chars; | |
2777 | gdb_wchar_t *chars; | |
2778 | const gdb_byte *buf; | |
2779 | size_t buflen; | |
2780 | int print_escape = 1; | |
2781 | enum wchar_iterate_result result; | |
2782 | ||
cda6c55b | 2783 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2784 | if (num_chars < 0) |
2785 | break; | |
2786 | if (num_chars > 0) | |
2787 | { | |
2788 | /* If all characters are printable, print them. Otherwise, | |
2789 | we're going to have to print an escape sequence. We | |
2790 | check all characters because we want to print the target | |
2791 | bytes in the escape sequence, and we don't know character | |
2792 | boundaries there. */ | |
2793 | int i; | |
2794 | ||
2795 | print_escape = 0; | |
2796 | for (i = 0; i < num_chars; ++i) | |
2797 | if (!wchar_printable (chars[i])) | |
2798 | { | |
2799 | print_escape = 1; | |
2800 | break; | |
2801 | } | |
2802 | ||
2803 | if (!print_escape) | |
2804 | { | |
2805 | for (i = 0; i < num_chars; ++i) | |
2806 | print_wchar (chars[i], buf, buflen, | |
2807 | TYPE_LENGTH (type), byte_order, | |
2808 | &wchar_buf, quoter, &need_escape); | |
2809 | } | |
2810 | } | |
2811 | ||
2812 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2813 | if (print_escape) | |
2814 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2815 | byte_order, &wchar_buf, quoter, &need_escape); | |
2816 | } | |
2817 | ||
2818 | /* The output in the host encoding. */ | |
8268c778 | 2819 | auto_obstack output; |
3b2b8fea TT |
2820 | |
2821 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2822 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2823 | obstack_object_size (&wchar_buf), |
fff10684 | 2824 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2825 | obstack_1grow (&output, '\0'); |
2826 | ||
79f33898 | 2827 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2828 | } |
2829 | ||
0d63ecda KS |
2830 | /* Return the repeat count of the next character/byte in ITER, |
2831 | storing the result in VEC. */ | |
2832 | ||
2833 | static int | |
cda6c55b | 2834 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2835 | std::vector<converted_character> *vec) |
0d63ecda KS |
2836 | { |
2837 | struct converted_character *current; | |
2838 | ||
b01ba14d | 2839 | if (vec->empty ()) |
0d63ecda KS |
2840 | { |
2841 | struct converted_character tmp; | |
2842 | gdb_wchar_t *chars; | |
2843 | ||
2844 | tmp.num_chars | |
cda6c55b | 2845 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2846 | if (tmp.num_chars > 0) |
2847 | { | |
2848 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2849 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2850 | } | |
b01ba14d | 2851 | vec->push_back (tmp); |
0d63ecda KS |
2852 | } |
2853 | ||
b01ba14d | 2854 | current = &vec->back (); |
0d63ecda KS |
2855 | |
2856 | /* Count repeated characters or bytes. */ | |
2857 | current->repeat_count = 1; | |
2858 | if (current->num_chars == -1) | |
2859 | { | |
2860 | /* EOF */ | |
2861 | return -1; | |
2862 | } | |
2863 | else | |
2864 | { | |
2865 | gdb_wchar_t *chars; | |
2866 | struct converted_character d; | |
2867 | int repeat; | |
2868 | ||
2869 | d.repeat_count = 0; | |
2870 | ||
2871 | while (1) | |
2872 | { | |
2873 | /* Get the next character. */ | |
cda6c55b | 2874 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2875 | |
2876 | /* If a character was successfully converted, save the character | |
2877 | into the converted character. */ | |
2878 | if (d.num_chars > 0) | |
2879 | { | |
2880 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2881 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2882 | } | |
2883 | ||
2884 | /* Determine if the current character is the same as this | |
2885 | new character. */ | |
2886 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2887 | { | |
2888 | /* There are two cases to consider: | |
2889 | ||
2890 | 1) Equality of converted character (num_chars > 0) | |
2891 | 2) Equality of non-converted character (num_chars == 0) */ | |
2892 | if ((current->num_chars > 0 | |
2893 | && memcmp (current->chars, d.chars, | |
2894 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2895 | || (current->num_chars == 0 | |
2896 | && current->buflen == d.buflen | |
2897 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2898 | ++current->repeat_count; | |
2899 | else | |
2900 | break; | |
2901 | } | |
2902 | else | |
2903 | break; | |
2904 | } | |
2905 | ||
2906 | /* Push this next converted character onto the result vector. */ | |
2907 | repeat = current->repeat_count; | |
b01ba14d | 2908 | vec->push_back (d); |
0d63ecda KS |
2909 | return repeat; |
2910 | } | |
2911 | } | |
2912 | ||
2913 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2914 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2915 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2916 | is the user's print options. */ |
2917 | ||
2918 | static void | |
2919 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2920 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2921 | int quote_char, int width, |
2922 | enum bfd_endian byte_order, | |
2923 | const struct value_print_options *options) | |
2924 | { | |
2925 | unsigned int idx; | |
b01ba14d | 2926 | const converted_character *elem; |
0d63ecda KS |
2927 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2928 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2929 | int need_escape = 0; | |
2930 | ||
2931 | /* Set the start state. */ | |
2932 | idx = 0; | |
2933 | last = state = START; | |
2934 | elem = NULL; | |
2935 | ||
2936 | while (1) | |
2937 | { | |
2938 | switch (state) | |
2939 | { | |
2940 | case START: | |
2941 | /* Nothing to do. */ | |
2942 | break; | |
2943 | ||
2944 | case SINGLE: | |
2945 | { | |
2946 | int j; | |
2947 | ||
2948 | /* We are outputting a single character | |
2949 | (< options->repeat_count_threshold). */ | |
2950 | ||
2951 | if (last != SINGLE) | |
2952 | { | |
2953 | /* We were outputting some other type of content, so we | |
2954 | must output and a comma and a quote. */ | |
2955 | if (last != START) | |
2956 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2957 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2958 | } | |
2959 | /* Output the character. */ | |
2960 | for (j = 0; j < elem->repeat_count; ++j) | |
2961 | { | |
2962 | if (elem->result == wchar_iterate_ok) | |
2963 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2964 | byte_order, obstack, quote_char, &need_escape); | |
2965 | else | |
2966 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2967 | byte_order, obstack, quote_char, &need_escape); | |
2968 | } | |
2969 | } | |
2970 | break; | |
2971 | ||
2972 | case REPEAT: | |
2973 | { | |
2974 | int j; | |
0d63ecda KS |
2975 | |
2976 | /* We are outputting a character with a repeat count | |
2977 | greater than options->repeat_count_threshold. */ | |
2978 | ||
2979 | if (last == SINGLE) | |
2980 | { | |
2981 | /* We were outputting a single string. Terminate the | |
2982 | string. */ | |
0d63ecda KS |
2983 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2984 | } | |
2985 | if (last != START) | |
2986 | obstack_grow_wstr (obstack, LCST (", ")); | |
2987 | ||
2988 | /* Output the character and repeat string. */ | |
2989 | obstack_grow_wstr (obstack, LCST ("'")); | |
2990 | if (elem->result == wchar_iterate_ok) | |
2991 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2992 | byte_order, obstack, quote_char, &need_escape); | |
2993 | else | |
2994 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2995 | byte_order, obstack, quote_char, &need_escape); | |
2996 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2997 | std::string s = string_printf (_(" <repeats %u times>"), |
2998 | elem->repeat_count); | |
0d63ecda KS |
2999 | for (j = 0; s[j]; ++j) |
3000 | { | |
3001 | gdb_wchar_t w = gdb_btowc (s[j]); | |
3002 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
3003 | } | |
0d63ecda KS |
3004 | } |
3005 | break; | |
3006 | ||
3007 | case INCOMPLETE: | |
3008 | /* We are outputting an incomplete sequence. */ | |
3009 | if (last == SINGLE) | |
3010 | { | |
3011 | /* If we were outputting a string of SINGLE characters, | |
3012 | terminate the quote. */ | |
0d63ecda KS |
3013 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
3014 | } | |
3015 | if (last != START) | |
3016 | obstack_grow_wstr (obstack, LCST (", ")); | |
3017 | ||
3018 | /* Output the incomplete sequence string. */ | |
3019 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
3020 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
3021 | obstack, 0, &need_escape); | |
3022 | obstack_grow_wstr (obstack, LCST (">")); | |
3023 | ||
85102364 | 3024 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
3025 | state = FINISH; |
3026 | break; | |
3027 | ||
3028 | case FINISH: | |
3029 | /* All done. If we were outputting a string of SINGLE | |
3030 | characters, the string must be terminated. Otherwise, | |
3031 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
3032 | if (last == SINGLE) | |
e93a8774 | 3033 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
3034 | |
3035 | return; | |
3036 | } | |
3037 | ||
3038 | /* Get the next element and state. */ | |
3039 | last = state; | |
3040 | if (state != FINISH) | |
3041 | { | |
b01ba14d | 3042 | elem = &chars[idx++]; |
0d63ecda KS |
3043 | switch (elem->result) |
3044 | { | |
3045 | case wchar_iterate_ok: | |
3046 | case wchar_iterate_invalid: | |
3047 | if (elem->repeat_count > options->repeat_count_threshold) | |
3048 | state = REPEAT; | |
3049 | else | |
3050 | state = SINGLE; | |
3051 | break; | |
3052 | ||
3053 | case wchar_iterate_incomplete: | |
3054 | state = INCOMPLETE; | |
3055 | break; | |
3056 | ||
3057 | case wchar_iterate_eof: | |
3058 | state = FINISH; | |
3059 | break; | |
3060 | } | |
3061 | } | |
3062 | } | |
3063 | } | |
3064 | ||
3b2b8fea TT |
3065 | /* Print the character string STRING, printing at most LENGTH |
3066 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
3067 | the type of each character. OPTIONS holds the printing options; | |
3068 | printing stops early if the number hits print_max; repeat counts | |
3069 | are printed as appropriate. Print ellipses at the end if we had to | |
3070 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
3071 | QUOTE_CHAR is the character to print at each end of the string. If | |
3072 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
3073 | omitted. */ | |
3074 | ||
3075 | void | |
3076 | generic_printstr (struct ui_file *stream, struct type *type, | |
3077 | const gdb_byte *string, unsigned int length, | |
3078 | const char *encoding, int force_ellipses, | |
3079 | int quote_char, int c_style_terminator, | |
3080 | const struct value_print_options *options) | |
3081 | { | |
34877895 | 3082 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 3083 | unsigned int i; |
3b2b8fea | 3084 | int width = TYPE_LENGTH (type); |
3b2b8fea | 3085 | int finished = 0; |
0d63ecda | 3086 | struct converted_character *last; |
3b2b8fea TT |
3087 | |
3088 | if (length == -1) | |
3089 | { | |
3090 | unsigned long current_char = 1; | |
3091 | ||
3092 | for (i = 0; current_char; ++i) | |
3093 | { | |
3094 | QUIT; | |
3095 | current_char = extract_unsigned_integer (string + i * width, | |
3096 | width, byte_order); | |
3097 | } | |
3098 | length = i; | |
3099 | } | |
3100 | ||
3101 | /* If the string was not truncated due to `set print elements', and | |
3102 | the last byte of it is a null, we don't print that, in | |
3103 | traditional C style. */ | |
3104 | if (c_style_terminator | |
3105 | && !force_ellipses | |
3106 | && length > 0 | |
3107 | && (extract_unsigned_integer (string + (length - 1) * width, | |
3108 | width, byte_order) == 0)) | |
3109 | length--; | |
3110 | ||
3111 | if (length == 0) | |
3112 | { | |
3113 | fputs_filtered ("\"\"", stream); | |
3114 | return; | |
3115 | } | |
3116 | ||
3117 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 3118 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 3119 | std::vector<converted_character> converted_chars; |
3b2b8fea | 3120 | |
0d63ecda KS |
3121 | /* Convert characters until the string is over or the maximum |
3122 | number of printed characters has been reached. */ | |
3123 | i = 0; | |
3124 | while (i < options->print_max) | |
3b2b8fea | 3125 | { |
0d63ecda | 3126 | int r; |
3b2b8fea TT |
3127 | |
3128 | QUIT; | |
3129 | ||
0d63ecda | 3130 | /* Grab the next character and repeat count. */ |
cda6c55b | 3131 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 3132 | |
0d63ecda KS |
3133 | /* If less than zero, the end of the input string was reached. */ |
3134 | if (r < 0) | |
3135 | break; | |
3b2b8fea | 3136 | |
0d63ecda KS |
3137 | /* Otherwise, add the count to the total print count and get |
3138 | the next character. */ | |
3139 | i += r; | |
3140 | } | |
3b2b8fea | 3141 | |
0d63ecda KS |
3142 | /* Get the last element and determine if the entire string was |
3143 | processed. */ | |
b01ba14d | 3144 | last = &converted_chars.back (); |
0d63ecda | 3145 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 3146 | |
0d63ecda KS |
3147 | /* Ensure that CONVERTED_CHARS is terminated. */ |
3148 | last->result = wchar_iterate_eof; | |
3b2b8fea | 3149 | |
0d63ecda KS |
3150 | /* WCHAR_BUF is the obstack we use to represent the string in |
3151 | wchar_t form. */ | |
8268c778 | 3152 | auto_obstack wchar_buf; |
3b2b8fea | 3153 | |
0d63ecda KS |
3154 | /* Print the output string to the obstack. */ |
3155 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
3156 | width, byte_order, options); | |
3b2b8fea TT |
3157 | |
3158 | if (force_ellipses || !finished) | |
3159 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
3160 | ||
3161 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 3162 | auto_obstack output; |
3b2b8fea TT |
3163 | |
3164 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 3165 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 3166 | obstack_object_size (&wchar_buf), |
fff10684 | 3167 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
3168 | obstack_1grow (&output, '\0'); |
3169 | ||
79f33898 | 3170 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
3171 | } |
3172 | ||
ae6a3a4c TJB |
3173 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
3174 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
3175 | stops at the first null byte, otherwise printing proceeds (including null | |
3176 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
3177 | whichever is smaller. ENCODING is the name of the string's |
3178 | encoding. It can be NULL, in which case the target encoding is | |
3179 | assumed. */ | |
ae6a3a4c TJB |
3180 | |
3181 | int | |
09ca9e2e TT |
3182 | val_print_string (struct type *elttype, const char *encoding, |
3183 | CORE_ADDR addr, int len, | |
6c7a06a3 | 3184 | struct ui_file *stream, |
ae6a3a4c TJB |
3185 | const struct value_print_options *options) |
3186 | { | |
3187 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 3188 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 3189 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
3190 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
3191 | int bytes_read; | |
b4be9fad | 3192 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
5af949e3 | 3193 | struct gdbarch *gdbarch = get_type_arch (elttype); |
34877895 | 3194 | enum bfd_endian byte_order = type_byte_order (elttype); |
6c7a06a3 | 3195 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
3196 | |
3197 | /* First we need to figure out the limit on the number of characters we are | |
3198 | going to attempt to fetch and print. This is actually pretty simple. If | |
3199 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
3200 | LEN is -1, then the limit is print_max. This is true regardless of | |
3201 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
3202 | because finding the null byte (or available memory) is what actually | |
3203 | limits the fetch. */ | |
3204 | ||
325fac50 PA |
3205 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
3206 | options->print_max)); | |
ae6a3a4c | 3207 | |
d09f2c3f PA |
3208 | err = read_string (addr, len, width, fetchlimit, byte_order, |
3209 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
3210 | |
3211 | addr += bytes_read; | |
c906108c | 3212 | |
3e43a32a MS |
3213 | /* We now have either successfully filled the buffer to fetchlimit, |
3214 | or terminated early due to an error or finding a null char when | |
3215 | LEN is -1. */ | |
ae6a3a4c TJB |
3216 | |
3217 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
3218 | found_nul = 0; |
3219 | if (bytes_read >= width) | |
b4be9fad TT |
3220 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
3221 | width, byte_order) == 0; | |
c906108c SS |
3222 | if (len == -1 && !found_nul) |
3223 | { | |
777ea8f1 | 3224 | gdb_byte *peekbuf; |
c906108c | 3225 | |
ae6a3a4c | 3226 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
3227 | to peek at the next character. If not successful, or it is not |
3228 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 3229 | |
777ea8f1 | 3230 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
3231 | |
3232 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 3233 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
3234 | force_ellipsis = 1; |
3235 | } | |
d09f2c3f | 3236 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
3237 | { |
3238 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 3239 | than the number of characters actually requested, always make us |
ae6a3a4c | 3240 | print ellipsis. */ |
c906108c SS |
3241 | force_ellipsis = 1; |
3242 | } | |
3243 | ||
c906108c SS |
3244 | /* If we get an error before fetching anything, don't print a string. |
3245 | But if we fetch something and then get an error, print the string | |
3246 | and then the error message. */ | |
d09f2c3f | 3247 | if (err == 0 || bytes_read > 0) |
c906108c | 3248 | { |
b4be9fad | 3249 | LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width, |
3a772aa4 | 3250 | encoding, force_ellipsis, options); |
c906108c SS |
3251 | } |
3252 | ||
d09f2c3f | 3253 | if (err != 0) |
c906108c | 3254 | { |
1ccbe998 | 3255 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 3256 | |
2dbc041e TT |
3257 | fprintf_filtered (stream, _("<error: %ps>"), |
3258 | styled_string (metadata_style.style (), | |
3259 | str.c_str ())); | |
c906108c | 3260 | } |
ae6a3a4c | 3261 | |
ae6a3a4c | 3262 | return (bytes_read / width); |
c906108c | 3263 | } |
2e62ab40 AB |
3264 | |
3265 | /* Handle 'show print max-depth'. */ | |
3266 | ||
3267 | static void | |
3268 | show_print_max_depth (struct ui_file *file, int from_tty, | |
3269 | struct cmd_list_element *c, const char *value) | |
3270 | { | |
3271 | fprintf_filtered (file, _("Maximum print depth is %s.\n"), value); | |
3272 | } | |
c906108c | 3273 | \f |
c5aa993b | 3274 | |
09e6485f PA |
3275 | /* The 'set input-radix' command writes to this auxiliary variable. |
3276 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
3277 | it is left unchanged. */ | |
3278 | ||
3279 | static unsigned input_radix_1 = 10; | |
3280 | ||
c906108c SS |
3281 | /* Validate an input or output radix setting, and make sure the user |
3282 | knows what they really did here. Radix setting is confusing, e.g. | |
3283 | setting the input radix to "10" never changes it! */ | |
3284 | ||
c906108c | 3285 | static void |
eb4c3f4a | 3286 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 3287 | { |
09e6485f | 3288 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
3289 | } |
3290 | ||
c906108c | 3291 | static void |
fba45db2 | 3292 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
3293 | { |
3294 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
3295 | make any mathematical sense. In theory, we can deal with any input | |
3296 | radix greater than 1, even if we don't have unique digits for every | |
3297 | value from 0 to radix-1, but in practice we lose on large radix values. | |
3298 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 3299 | (FIXME). */ |
c906108c SS |
3300 | |
3301 | if (radix < 2) | |
3302 | { | |
09e6485f | 3303 | input_radix_1 = input_radix; |
8a3fe4f8 | 3304 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
3305 | radix); |
3306 | } | |
09e6485f | 3307 | input_radix_1 = input_radix = radix; |
c906108c SS |
3308 | if (from_tty) |
3309 | { | |
3e43a32a MS |
3310 | printf_filtered (_("Input radix now set to " |
3311 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3312 | radix, radix, radix); |
3313 | } | |
3314 | } | |
3315 | ||
09e6485f PA |
3316 | /* The 'set output-radix' command writes to this auxiliary variable. |
3317 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
3318 | otherwise, it is left unchanged. */ | |
3319 | ||
3320 | static unsigned output_radix_1 = 10; | |
3321 | ||
c906108c | 3322 | static void |
eb4c3f4a | 3323 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 3324 | { |
09e6485f | 3325 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
3326 | } |
3327 | ||
3328 | static void | |
fba45db2 | 3329 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
3330 | { |
3331 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 3332 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
3333 | switch (radix) |
3334 | { | |
3335 | case 16: | |
79a45b7d | 3336 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
3337 | break; |
3338 | case 10: | |
79a45b7d | 3339 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
3340 | break; |
3341 | case 8: | |
79a45b7d | 3342 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
3343 | break; |
3344 | default: | |
09e6485f | 3345 | output_radix_1 = output_radix; |
3e43a32a MS |
3346 | error (_("Unsupported output radix ``decimal %u''; " |
3347 | "output radix unchanged."), | |
c906108c SS |
3348 | radix); |
3349 | } | |
09e6485f | 3350 | output_radix_1 = output_radix = radix; |
c906108c SS |
3351 | if (from_tty) |
3352 | { | |
3e43a32a MS |
3353 | printf_filtered (_("Output radix now set to " |
3354 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3355 | radix, radix, radix); |
3356 | } | |
3357 | } | |
3358 | ||
3359 | /* Set both the input and output radix at once. Try to set the output radix | |
3360 | first, since it has the most restrictive range. An radix that is valid as | |
3361 | an output radix is also valid as an input radix. | |
3362 | ||
3363 | It may be useful to have an unusual input radix. If the user wishes to | |
3364 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 3365 | the 'set input-radix' command. */ |
c906108c SS |
3366 | |
3367 | static void | |
b0a8e6c4 | 3368 | set_radix (const char *arg, int from_tty) |
c906108c SS |
3369 | { |
3370 | unsigned radix; | |
3371 | ||
bb518678 | 3372 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
3373 | set_output_radix_1 (0, radix); |
3374 | set_input_radix_1 (0, radix); | |
3375 | if (from_tty) | |
3376 | { | |
3e43a32a MS |
3377 | printf_filtered (_("Input and output radices now set to " |
3378 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3379 | radix, radix, radix); |
3380 | } | |
3381 | } | |
3382 | ||
581e13c1 | 3383 | /* Show both the input and output radices. */ |
c906108c | 3384 | |
c906108c | 3385 | static void |
b0a8e6c4 | 3386 | show_radix (const char *arg, int from_tty) |
c906108c SS |
3387 | { |
3388 | if (from_tty) | |
3389 | { | |
3390 | if (input_radix == output_radix) | |
3391 | { | |
3e43a32a MS |
3392 | printf_filtered (_("Input and output radices set to " |
3393 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3394 | input_radix, input_radix, input_radix); |
3395 | } | |
3396 | else | |
3397 | { | |
3e43a32a MS |
3398 | printf_filtered (_("Input radix set to decimal " |
3399 | "%u, hex %x, octal %o.\n"), | |
c906108c | 3400 | input_radix, input_radix, input_radix); |
3e43a32a MS |
3401 | printf_filtered (_("Output radix set to decimal " |
3402 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
3403 | output_radix, output_radix, output_radix); |
3404 | } | |
3405 | } | |
3406 | } | |
c906108c | 3407 | \f |
c5aa993b | 3408 | |
c906108c | 3409 | static void |
981a3fb3 | 3410 | set_print (const char *arg, int from_tty) |
c906108c SS |
3411 | { |
3412 | printf_unfiltered ( | |
c5aa993b | 3413 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
635c7e8a | 3414 | help_list (setprintlist, "set print ", all_commands, gdb_stdout); |
c906108c SS |
3415 | } |
3416 | ||
c906108c | 3417 | static void |
981a3fb3 | 3418 | show_print (const char *args, int from_tty) |
c906108c SS |
3419 | { |
3420 | cmd_show_list (showprintlist, from_tty, ""); | |
3421 | } | |
e7045703 DE |
3422 | |
3423 | static void | |
981a3fb3 | 3424 | set_print_raw (const char *arg, int from_tty) |
e7045703 DE |
3425 | { |
3426 | printf_unfiltered ( | |
3427 | "\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n"); | |
635c7e8a | 3428 | help_list (setprintrawlist, "set print raw ", all_commands, gdb_stdout); |
e7045703 DE |
3429 | } |
3430 | ||
3431 | static void | |
981a3fb3 | 3432 | show_print_raw (const char *args, int from_tty) |
e7045703 DE |
3433 | { |
3434 | cmd_show_list (showprintrawlist, from_tty, ""); | |
3435 | } | |
3436 | ||
7d8062de PA |
3437 | /* Controls printing of vtbl's. */ |
3438 | static void | |
3439 | show_vtblprint (struct ui_file *file, int from_tty, | |
3440 | struct cmd_list_element *c, const char *value) | |
3441 | { | |
3442 | fprintf_filtered (file, _("\ | |
3443 | Printing of C++ virtual function tables is %s.\n"), | |
3444 | value); | |
3445 | } | |
3446 | ||
3447 | /* Controls looking up an object's derived type using what we find in | |
3448 | its vtables. */ | |
3449 | static void | |
3450 | show_objectprint (struct ui_file *file, int from_tty, | |
3451 | struct cmd_list_element *c, | |
3452 | const char *value) | |
3453 | { | |
3454 | fprintf_filtered (file, _("\ | |
3455 | Printing of object's derived type based on vtable info is %s.\n"), | |
3456 | value); | |
3457 | } | |
3458 | ||
3459 | static void | |
3460 | show_static_field_print (struct ui_file *file, int from_tty, | |
3461 | struct cmd_list_element *c, | |
3462 | const char *value) | |
3463 | { | |
3464 | fprintf_filtered (file, | |
3465 | _("Printing of C++ static members is %s.\n"), | |
3466 | value); | |
3467 | } | |
3468 | ||
c906108c | 3469 | \f |
7d8062de PA |
3470 | |
3471 | /* A couple typedefs to make writing the options a bit more | |
3472 | convenient. */ | |
3473 | using boolean_option_def | |
3474 | = gdb::option::boolean_option_def<value_print_options>; | |
3475 | using uinteger_option_def | |
3476 | = gdb::option::uinteger_option_def<value_print_options>; | |
3477 | using zuinteger_unlimited_option_def | |
3478 | = gdb::option::zuinteger_unlimited_option_def<value_print_options>; | |
3479 | ||
85102364 | 3480 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
3481 | commands. */ |
3482 | static const gdb::option::option_def value_print_option_defs[] = { | |
3483 | ||
3484 | boolean_option_def { | |
3485 | "address", | |
3486 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
3487 | show_addressprint, /* show_cmd_cb */ | |
3488 | N_("Set printing of addresses."), | |
3489 | N_("Show printing of addresses."), | |
3490 | NULL, /* help_doc */ | |
3491 | }, | |
3492 | ||
3493 | boolean_option_def { | |
3494 | "array", | |
3495 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
3496 | show_prettyformat_arrays, /* show_cmd_cb */ | |
3497 | N_("Set pretty formatting of arrays."), | |
3498 | N_("Show pretty formatting of arrays."), | |
3499 | NULL, /* help_doc */ | |
3500 | }, | |
3501 | ||
3502 | boolean_option_def { | |
3503 | "array-indexes", | |
3504 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
3505 | show_print_array_indexes, /* show_cmd_cb */ | |
3506 | N_("Set printing of array indexes."), | |
590042fc | 3507 | N_("Show printing of array indexes."), |
7d8062de PA |
3508 | NULL, /* help_doc */ |
3509 | }, | |
3510 | ||
3511 | uinteger_option_def { | |
3512 | "elements", | |
3513 | [] (value_print_options *opt) { return &opt->print_max; }, | |
3514 | show_print_max, /* show_cmd_cb */ | |
3515 | N_("Set limit on string chars or array elements to print."), | |
3516 | N_("Show limit on string chars or array elements to print."), | |
3517 | N_("\"unlimited\" causes there to be no limit."), | |
3518 | }, | |
3519 | ||
3520 | zuinteger_unlimited_option_def { | |
3521 | "max-depth", | |
3522 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
3523 | show_print_max_depth, /* show_cmd_cb */ | |
3524 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
3525 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
3526 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
3527 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
3528 | Use \"unlimited\" to print the complete structure.") | |
3529 | }, | |
3530 | ||
3531 | boolean_option_def { | |
3532 | "null-stop", | |
3533 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
3534 | show_stop_print_at_null, /* show_cmd_cb */ | |
3535 | N_("Set printing of char arrays to stop at first null char."), | |
3536 | N_("Show printing of char arrays to stop at first null char."), | |
3537 | NULL, /* help_doc */ | |
3538 | }, | |
3539 | ||
3540 | boolean_option_def { | |
3541 | "object", | |
3542 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
3543 | show_objectprint, /* show_cmd_cb */ | |
3544 | _("Set printing of C++ virtual function tables."), | |
3545 | _("Show printing of C++ virtual function tables."), | |
3546 | NULL, /* help_doc */ | |
3547 | }, | |
3548 | ||
3549 | boolean_option_def { | |
3550 | "pretty", | |
3551 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
3552 | show_prettyformat_structs, /* show_cmd_cb */ | |
3553 | N_("Set pretty formatting of structures."), | |
3554 | N_("Show pretty formatting of structures."), | |
3555 | NULL, /* help_doc */ | |
3556 | }, | |
3557 | ||
d8edc8b7 PW |
3558 | boolean_option_def { |
3559 | "raw-values", | |
3560 | [] (value_print_options *opt) { return &opt->raw; }, | |
3561 | NULL, /* show_cmd_cb */ | |
3562 | N_("Set whether to print values in raw form."), | |
3563 | N_("Show whether to print values in raw form."), | |
3564 | N_("If set, values are printed in raw form, bypassing any\n\ | |
3565 | pretty-printers for that value.") | |
3566 | }, | |
3567 | ||
7d8062de PA |
3568 | uinteger_option_def { |
3569 | "repeats", | |
3570 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
3571 | show_repeat_count_threshold, /* show_cmd_cb */ | |
3572 | N_("Set threshold for repeated print elements."), | |
3573 | N_("Show threshold for repeated print elements."), | |
3574 | N_("\"unlimited\" causes all elements to be individually printed."), | |
3575 | }, | |
3576 | ||
3577 | boolean_option_def { | |
3578 | "static-members", | |
3579 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
3580 | show_static_field_print, /* show_cmd_cb */ | |
3581 | N_("Set printing of C++ static members."), | |
3582 | N_("Show printing of C++ static members."), | |
3583 | NULL, /* help_doc */ | |
3584 | }, | |
3585 | ||
3586 | boolean_option_def { | |
3587 | "symbol", | |
3588 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
3589 | show_symbol_print, /* show_cmd_cb */ | |
3590 | N_("Set printing of symbol names when printing pointers."), | |
3591 | N_("Show printing of symbol names when printing pointers."), | |
3592 | NULL, /* help_doc */ | |
3593 | }, | |
3594 | ||
3595 | boolean_option_def { | |
3596 | "union", | |
3597 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
3598 | show_unionprint, /* show_cmd_cb */ | |
3599 | N_("Set printing of unions interior to structures."), | |
3600 | N_("Show printing of unions interior to structures."), | |
3601 | NULL, /* help_doc */ | |
3602 | }, | |
3603 | ||
3604 | boolean_option_def { | |
3605 | "vtbl", | |
3606 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3607 | show_vtblprint, /* show_cmd_cb */ | |
3608 | N_("Set printing of C++ virtual function tables."), | |
3609 | N_("Show printing of C++ virtual function tables."), | |
3610 | NULL, /* help_doc */ | |
3611 | }, | |
3612 | }; | |
3613 | ||
3614 | /* See valprint.h. */ | |
3615 | ||
3616 | gdb::option::option_def_group | |
3617 | make_value_print_options_def_group (value_print_options *opts) | |
3618 | { | |
3619 | return {{value_print_option_defs}, opts}; | |
3620 | } | |
3621 | ||
6c265988 | 3622 | void _initialize_valprint (); |
c906108c | 3623 | void |
6c265988 | 3624 | _initialize_valprint () |
c906108c | 3625 | { |
2daf894e PA |
3626 | cmd_list_element *cmd; |
3627 | ||
c906108c | 3628 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 3629 | _("Generic command for setting how things print."), |
c906108c | 3630 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 3631 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3632 | /* Prefer set print to set prompt. */ |
c906108c SS |
3633 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3634 | ||
3635 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 3636 | _("Generic command for showing print settings."), |
c906108c | 3637 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
3638 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3639 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3640 | |
2daf894e PA |
3641 | cmd = add_prefix_cmd ("raw", no_class, set_print_raw, |
3642 | _("\ | |
e7045703 | 3643 | Generic command for setting what things to print in \"raw\" mode."), |
2daf894e PA |
3644 | &setprintrawlist, "set print raw ", 0, |
3645 | &setprintlist); | |
3646 | deprecate_cmd (cmd, nullptr); | |
3647 | ||
3648 | cmd = add_prefix_cmd ("raw", no_class, show_print_raw, | |
3649 | _("Generic command for showing \"print raw\" settings."), | |
3650 | &showprintrawlist, "show print raw ", 0, | |
3651 | &showprintlist); | |
3652 | deprecate_cmd (cmd, nullptr); | |
e7045703 | 3653 | |
7d8062de PA |
3654 | gdb::option::add_setshow_cmds_for_options |
3655 | (class_support, &user_print_options, value_print_option_defs, | |
3656 | &setprintlist, &showprintlist); | |
9cb709b6 | 3657 | |
1e8fb976 PA |
3658 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3659 | _("\ | |
35096d9d AC |
3660 | Set default input radix for entering numbers."), _("\ |
3661 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3662 | set_input_radix, |
3663 | show_input_radix, | |
3664 | &setlist, &showlist); | |
35096d9d | 3665 | |
1e8fb976 PA |
3666 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3667 | _("\ | |
35096d9d AC |
3668 | Set default output radix for printing of values."), _("\ |
3669 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3670 | set_output_radix, |
3671 | show_output_radix, | |
3672 | &setlist, &showlist); | |
c906108c | 3673 | |
cb1a6d5f AC |
3674 | /* The "set radix" and "show radix" commands are special in that |
3675 | they are like normal set and show commands but allow two normally | |
3676 | independent variables to be either set or shown with a single | |
b66df561 | 3677 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3678 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3679 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3680 | longer true - show can display anything. */ | |
1a966eab AC |
3681 | add_cmd ("radix", class_support, set_radix, _("\ |
3682 | Set default input and output number radices.\n\ | |
c906108c | 3683 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3684 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3685 | &setlist); |
1a966eab AC |
3686 | add_cmd ("radix", class_support, show_radix, _("\ |
3687 | Show the default input and output number radices.\n\ | |
3688 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3689 | &showlist); |
c906108c | 3690 | } |