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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
213516ef | 3 | Copyright (C) 1986-2023 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" |
bf31fd38 | 33 | #include "gdbsupport/gdb_obstack.h" |
3b2b8fea | 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" |
6b5a7bc7 TT |
43 | #include "c-lang.h" |
44 | #include "cp-abi.h" | |
328d42d8 | 45 | #include "inferior.h" |
c9bd9859 SV |
46 | #include "gdbsupport/selftest.h" |
47 | #include "selftest-arch.h" | |
c906108c | 48 | |
0d63ecda KS |
49 | /* Maximum number of wchars returned from wchar_iterate. */ |
50 | #define MAX_WCHARS 4 | |
51 | ||
52 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
53 | characters. */ | |
54 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
55 | ||
56 | /* Character buffer size saved while iterating over wchars. */ | |
57 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
58 | ||
59 | /* A structure to encapsulate state information from iterated | |
60 | character conversions. */ | |
61 | struct converted_character | |
62 | { | |
63 | /* The number of characters converted. */ | |
64 | int num_chars; | |
65 | ||
66 | /* The result of the conversion. See charset.h for more. */ | |
67 | enum wchar_iterate_result result; | |
68 | ||
69 | /* The (saved) converted character(s). */ | |
70 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
71 | ||
72 | /* The first converted target byte. */ | |
73 | const gdb_byte *buf; | |
74 | ||
75 | /* The number of bytes converted. */ | |
76 | size_t buflen; | |
77 | ||
78 | /* How many times this character(s) is repeated. */ | |
79 | int repeat_count; | |
80 | }; | |
81 | ||
e7045703 DE |
82 | /* Command lists for set/show print raw. */ |
83 | struct cmd_list_element *setprintrawlist; | |
84 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 85 | |
c906108c SS |
86 | /* Prototypes for local functions */ |
87 | ||
a14ed312 | 88 | static void set_input_radix_1 (int, unsigned); |
c906108c | 89 | |
a14ed312 | 90 | static void set_output_radix_1 (int, unsigned); |
c906108c | 91 | |
81516450 | 92 | static void val_print_type_code_flags (struct type *type, |
65786af6 TT |
93 | struct value *original_value, |
94 | int embedded_offset, | |
81516450 DE |
95 | struct ui_file *stream); |
96 | ||
76b58849 AB |
97 | /* Start print_max at this value. */ |
98 | #define PRINT_MAX_DEFAULT 200 | |
99 | ||
100 | /* Start print_max_chars at this value (meaning follow print_max). */ | |
101 | #define PRINT_MAX_CHARS_DEFAULT PRINT_MAX_CHARS_ELEMENTS | |
102 | ||
103 | /* Start print_max_depth at this value. */ | |
104 | #define PRINT_MAX_DEPTH_DEFAULT 20 | |
79a45b7d TT |
105 | |
106 | struct value_print_options user_print_options = | |
107 | { | |
2a998fc0 | 108 | Val_prettyformat_default, /* prettyformat */ |
dad6b350 TT |
109 | false, /* prettyformat_arrays */ |
110 | false, /* prettyformat_structs */ | |
111 | false, /* vtblprint */ | |
112 | true, /* unionprint */ | |
113 | true, /* addressprint */ | |
21a527df | 114 | false, /* nibblesprint */ |
dad6b350 | 115 | false, /* objectprint */ |
79a45b7d | 116 | PRINT_MAX_DEFAULT, /* print_max */ |
76b58849 | 117 | PRINT_MAX_CHARS_DEFAULT, /* print_max_chars */ |
79a45b7d TT |
118 | 10, /* repeat_count_threshold */ |
119 | 0, /* output_format */ | |
120 | 0, /* format */ | |
dad6b350 TT |
121 | true, /* memory_tag_violations */ |
122 | false, /* stop_print_at_null */ | |
123 | false, /* print_array_indexes */ | |
124 | false, /* deref_ref */ | |
125 | true, /* static_field_print */ | |
126 | true, /* pascal_static_field_print */ | |
127 | false, /* raw */ | |
128 | false, /* summary */ | |
129 | true, /* symbol_print */ | |
000439d5 | 130 | PRINT_MAX_DEPTH_DEFAULT, /* max_depth */ |
79a45b7d TT |
131 | }; |
132 | ||
133 | /* Initialize *OPTS to be a copy of the user print options. */ | |
134 | void | |
135 | get_user_print_options (struct value_print_options *opts) | |
136 | { | |
137 | *opts = user_print_options; | |
138 | } | |
139 | ||
140 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 141 | pretty-formatting disabled. */ |
79a45b7d | 142 | void |
2a998fc0 | 143 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
144 | { |
145 | *opts = user_print_options; | |
2a998fc0 | 146 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
147 | } |
148 | ||
149 | /* Initialize *OPTS to be a copy of the user print options, but using | |
150 | FORMAT as the formatting option. */ | |
151 | void | |
152 | get_formatted_print_options (struct value_print_options *opts, | |
153 | char format) | |
154 | { | |
155 | *opts = user_print_options; | |
156 | opts->format = format; | |
157 | } | |
158 | ||
76b58849 AB |
159 | /* Implement 'show print elements'. */ |
160 | ||
920d2a44 AC |
161 | static void |
162 | show_print_max (struct ui_file *file, int from_tty, | |
163 | struct cmd_list_element *c, const char *value) | |
76b58849 AB |
164 | { |
165 | gdb_printf | |
166 | (file, | |
167 | (user_print_options.print_max_chars != PRINT_MAX_CHARS_ELEMENTS | |
168 | ? _("Limit on array elements to print is %s.\n") | |
169 | : _("Limit on string chars or array elements to print is %s.\n")), | |
170 | value); | |
171 | } | |
172 | ||
173 | /* Implement 'show print characters'. */ | |
174 | ||
175 | static void | |
176 | show_print_max_chars (struct ui_file *file, int from_tty, | |
177 | struct cmd_list_element *c, const char *value) | |
920d2a44 | 178 | { |
6cb06a8c | 179 | gdb_printf (file, |
76b58849 | 180 | _("Limit on string characters to print is %s.\n"), |
6cb06a8c | 181 | value); |
920d2a44 AC |
182 | } |
183 | ||
c906108c SS |
184 | /* Default input and output radixes, and output format letter. */ |
185 | ||
186 | unsigned input_radix = 10; | |
920d2a44 AC |
187 | static void |
188 | show_input_radix (struct ui_file *file, int from_tty, | |
189 | struct cmd_list_element *c, const char *value) | |
190 | { | |
6cb06a8c TT |
191 | gdb_printf (file, |
192 | _("Default input radix for entering numbers is %s.\n"), | |
193 | value); | |
920d2a44 AC |
194 | } |
195 | ||
c906108c | 196 | unsigned output_radix = 10; |
920d2a44 AC |
197 | static void |
198 | show_output_radix (struct ui_file *file, int from_tty, | |
199 | struct cmd_list_element *c, const char *value) | |
200 | { | |
6cb06a8c TT |
201 | gdb_printf (file, |
202 | _("Default output radix for printing of values is %s.\n"), | |
203 | value); | |
920d2a44 | 204 | } |
c906108c | 205 | |
e79af960 JB |
206 | /* By default we print arrays without printing the index of each element in |
207 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
208 | ||
e79af960 JB |
209 | static void |
210 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
dda83cd7 | 211 | struct cmd_list_element *c, const char *value) |
e79af960 | 212 | { |
6cb06a8c | 213 | gdb_printf (file, _("Printing of array indexes is %s.\n"), value); |
e79af960 JB |
214 | } |
215 | ||
c906108c SS |
216 | /* Print repeat counts if there are more than this many repetitions of an |
217 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 218 | print routines. */ |
c906108c | 219 | |
920d2a44 AC |
220 | static void |
221 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
222 | struct cmd_list_element *c, const char *value) | |
223 | { | |
6cb06a8c TT |
224 | gdb_printf (file, _("Threshold for repeated print elements is %s.\n"), |
225 | value); | |
920d2a44 | 226 | } |
c906108c | 227 | |
bef382e6 LM |
228 | /* If nonzero, prints memory tag violations for pointers. */ |
229 | ||
230 | static void | |
231 | show_memory_tag_violations (struct ui_file *file, int from_tty, | |
232 | struct cmd_list_element *c, const char *value) | |
233 | { | |
6cb06a8c TT |
234 | gdb_printf (file, |
235 | _("Printing of memory tag violations is %s.\n"), | |
236 | value); | |
bef382e6 LM |
237 | } |
238 | ||
581e13c1 | 239 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 240 | |
920d2a44 AC |
241 | static void |
242 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
243 | struct cmd_list_element *c, const char *value) | |
244 | { | |
6cb06a8c TT |
245 | gdb_printf (file, |
246 | _("Printing of char arrays to stop " | |
247 | "at first null char is %s.\n"), | |
248 | value); | |
920d2a44 | 249 | } |
c906108c | 250 | |
581e13c1 | 251 | /* Controls pretty printing of structures. */ |
c906108c | 252 | |
920d2a44 | 253 | static void |
2a998fc0 | 254 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
255 | struct cmd_list_element *c, const char *value) |
256 | { | |
6cb06a8c | 257 | gdb_printf (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 258 | } |
c906108c SS |
259 | |
260 | /* Controls pretty printing of arrays. */ | |
261 | ||
920d2a44 | 262 | static void |
2a998fc0 | 263 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
264 | struct cmd_list_element *c, const char *value) |
265 | { | |
6cb06a8c | 266 | gdb_printf (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 267 | } |
c906108c SS |
268 | |
269 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 270 | printed. */ |
c906108c | 271 | |
920d2a44 AC |
272 | static void |
273 | show_unionprint (struct ui_file *file, int from_tty, | |
274 | struct cmd_list_element *c, const char *value) | |
275 | { | |
6cb06a8c TT |
276 | gdb_printf (file, |
277 | _("Printing of unions interior to structures is %s.\n"), | |
278 | value); | |
920d2a44 | 279 | } |
c906108c | 280 | |
21a527df EL |
281 | /* Controls the format of printing binary values. */ |
282 | ||
283 | static void | |
284 | show_nibbles (struct ui_file *file, int from_tty, | |
285 | struct cmd_list_element *c, const char *value) | |
286 | { | |
287 | gdb_printf (file, | |
288 | _("Printing binary values in groups is %s.\n"), | |
289 | value); | |
290 | } | |
291 | ||
581e13c1 | 292 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 293 | |
920d2a44 AC |
294 | static void |
295 | show_addressprint (struct ui_file *file, int from_tty, | |
296 | struct cmd_list_element *c, const char *value) | |
297 | { | |
6cb06a8c | 298 | gdb_printf (file, _("Printing of addresses is %s.\n"), value); |
920d2a44 | 299 | } |
9cb709b6 TT |
300 | |
301 | static void | |
302 | show_symbol_print (struct ui_file *file, int from_tty, | |
303 | struct cmd_list_element *c, const char *value) | |
304 | { | |
6cb06a8c TT |
305 | gdb_printf (file, |
306 | _("Printing of symbols when printing pointers is %s.\n"), | |
307 | value); | |
9cb709b6 TT |
308 | } |
309 | ||
c906108c | 310 | \f |
c5aa993b | 311 | |
a6bac58e TT |
312 | /* A helper function for val_print. When printing in "summary" mode, |
313 | we want to print scalar arguments, but not aggregate arguments. | |
314 | This function distinguishes between the two. */ | |
315 | ||
6211c335 YQ |
316 | int |
317 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 318 | { |
f168693b | 319 | type = check_typedef (type); |
aa006118 | 320 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e | 321 | { |
27710edb | 322 | type = type->target_type (); |
f168693b | 323 | type = check_typedef (type); |
a6bac58e | 324 | } |
78134374 | 325 | switch (type->code ()) |
a6bac58e TT |
326 | { |
327 | case TYPE_CODE_ARRAY: | |
328 | case TYPE_CODE_STRUCT: | |
329 | case TYPE_CODE_UNION: | |
330 | case TYPE_CODE_SET: | |
331 | case TYPE_CODE_STRING: | |
a6bac58e TT |
332 | return 0; |
333 | default: | |
334 | return 1; | |
335 | } | |
336 | } | |
337 | ||
2e62ab40 AB |
338 | /* A helper function for val_print. When printing with limited depth we |
339 | want to print string and scalar arguments, but not aggregate arguments. | |
340 | This function distinguishes between the two. */ | |
341 | ||
342 | static bool | |
343 | val_print_scalar_or_string_type_p (struct type *type, | |
344 | const struct language_defn *language) | |
345 | { | |
346 | return (val_print_scalar_type_p (type) | |
39e7ecca | 347 | || language->is_string_type_p (type)); |
2e62ab40 AB |
348 | } |
349 | ||
2677f2d3 | 350 | /* See valprint.h. */ |
0e03807e | 351 | |
a72c8f6a | 352 | int |
0e03807e TT |
353 | valprint_check_validity (struct ui_file *stream, |
354 | struct type *type, | |
6b850546 | 355 | LONGEST embedded_offset, |
0e03807e TT |
356 | const struct value *val) |
357 | { | |
f168693b | 358 | type = check_typedef (type); |
0e03807e | 359 | |
3f2f83dd KB |
360 | if (type_not_associated (type)) |
361 | { | |
362 | val_print_not_associated (stream); | |
363 | return 0; | |
364 | } | |
365 | ||
366 | if (type_not_allocated (type)) | |
367 | { | |
368 | val_print_not_allocated (stream); | |
369 | return 0; | |
370 | } | |
371 | ||
78134374 SM |
372 | if (type->code () != TYPE_CODE_UNION |
373 | && type->code () != TYPE_CODE_STRUCT | |
374 | && type->code () != TYPE_CODE_ARRAY) | |
0e03807e | 375 | { |
d00664db TT |
376 | if (val->bits_any_optimized_out (TARGET_CHAR_BIT * embedded_offset, |
377 | TARGET_CHAR_BIT * type->length ())) | |
0e03807e | 378 | { |
901461f8 | 379 | val_print_optimized_out (val, stream); |
0e03807e TT |
380 | return 0; |
381 | } | |
8cf6f0b1 | 382 | |
e989e637 TT |
383 | if (val->bits_synthetic_pointer (TARGET_CHAR_BIT * embedded_offset, |
384 | TARGET_CHAR_BIT * type->length ())) | |
8cf6f0b1 | 385 | { |
78134374 | 386 | const int is_ref = type->code () == TYPE_CODE_REF; |
3326303b MG |
387 | int ref_is_addressable = 0; |
388 | ||
389 | if (is_ref) | |
390 | { | |
391 | const struct value *deref_val = coerce_ref_if_computed (val); | |
392 | ||
393 | if (deref_val != NULL) | |
97044105 | 394 | ref_is_addressable = deref_val->lval () == lval_memory; |
3326303b MG |
395 | } |
396 | ||
397 | if (!is_ref || !ref_is_addressable) | |
7f6aba03 TT |
398 | fputs_styled (_("<synthetic pointer>"), metadata_style.style (), |
399 | stream); | |
3326303b MG |
400 | |
401 | /* C++ references should be valid even if they're synthetic. */ | |
402 | return is_ref; | |
8cf6f0b1 | 403 | } |
4e07d55f | 404 | |
d00664db | 405 | if (!val->bytes_available (embedded_offset, type->length ())) |
4e07d55f PA |
406 | { |
407 | val_print_unavailable (stream); | |
408 | return 0; | |
409 | } | |
0e03807e TT |
410 | } |
411 | ||
412 | return 1; | |
413 | } | |
414 | ||
585fdaa1 | 415 | void |
901461f8 | 416 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 417 | { |
97044105 | 418 | if (val != NULL && val->lval () == lval_register) |
782d47df | 419 | val_print_not_saved (stream); |
901461f8 | 420 | else |
7f6aba03 | 421 | fprintf_styled (stream, metadata_style.style (), _("<optimized out>")); |
585fdaa1 PA |
422 | } |
423 | ||
782d47df PA |
424 | void |
425 | val_print_not_saved (struct ui_file *stream) | |
426 | { | |
7f6aba03 | 427 | fprintf_styled (stream, metadata_style.style (), _("<not saved>")); |
782d47df PA |
428 | } |
429 | ||
4e07d55f PA |
430 | void |
431 | val_print_unavailable (struct ui_file *stream) | |
432 | { | |
7f6aba03 | 433 | fprintf_styled (stream, metadata_style.style (), _("<unavailable>")); |
4e07d55f PA |
434 | } |
435 | ||
8af8e3bc PA |
436 | void |
437 | val_print_invalid_address (struct ui_file *stream) | |
438 | { | |
7f6aba03 | 439 | fprintf_styled (stream, metadata_style.style (), _("<invalid address>")); |
8af8e3bc PA |
440 | } |
441 | ||
9f436164 SM |
442 | /* Print a pointer based on the type of its target. |
443 | ||
444 | Arguments to this functions are roughly the same as those in | |
445 | generic_val_print. A difference is that ADDRESS is the address to print, | |
446 | with embedded_offset already added. ELTTYPE represents | |
447 | the pointed type after check_typedef. */ | |
448 | ||
449 | static void | |
450 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
451 | CORE_ADDR address, struct ui_file *stream, | |
452 | const struct value_print_options *options) | |
453 | { | |
8ee511af | 454 | struct gdbarch *gdbarch = type->arch (); |
9f436164 | 455 | |
78134374 | 456 | if (elttype->code () == TYPE_CODE_FUNC) |
9f436164 SM |
457 | { |
458 | /* Try to print what function it points to. */ | |
459 | print_function_pointer_address (options, gdbarch, address, stream); | |
460 | return; | |
461 | } | |
462 | ||
463 | if (options->symbol_print) | |
464 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
465 | else if (options->addressprint) | |
0426ad51 | 466 | gdb_puts (paddress (gdbarch, address), stream); |
9f436164 SM |
467 | } |
468 | ||
557dbe8a SM |
469 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
470 | ||
471 | static void | |
426a9c18 | 472 | generic_val_print_array (struct value *val, |
00272ec4 | 473 | struct ui_file *stream, int recurse, |
00272ec4 TT |
474 | const struct value_print_options *options, |
475 | const struct | |
476 | generic_val_print_decorations *decorations) | |
557dbe8a | 477 | { |
d0c97917 | 478 | struct type *type = check_typedef (val->type ()); |
27710edb | 479 | struct type *unresolved_elttype = type->target_type (); |
557dbe8a SM |
480 | struct type *elttype = check_typedef (unresolved_elttype); |
481 | ||
df86565b | 482 | if (type->length () > 0 && unresolved_elttype->length () > 0) |
557dbe8a SM |
483 | { |
484 | LONGEST low_bound, high_bound; | |
485 | ||
486 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
487 | error (_("Could not determine the array high bound")); | |
488 | ||
0426ad51 | 489 | gdb_puts (decorations->array_start, stream); |
426a9c18 | 490 | value_print_array_elements (val, stream, recurse, options, 0); |
0426ad51 | 491 | gdb_puts (decorations->array_end, stream); |
557dbe8a SM |
492 | } |
493 | else | |
494 | { | |
495 | /* Array of unspecified length: treat like pointer to first elt. */ | |
9feb2d07 | 496 | print_unpacked_pointer (type, elttype, val->address (), |
426a9c18 | 497 | stream, options); |
557dbe8a SM |
498 | } |
499 | ||
500 | } | |
501 | ||
2a5b130b TT |
502 | /* generic_value_print helper for TYPE_CODE_PTR. */ |
503 | ||
504 | static void | |
505 | generic_value_print_ptr (struct value *val, struct ui_file *stream, | |
506 | const struct value_print_options *options) | |
507 | { | |
508 | ||
509 | if (options->format && options->format != 's') | |
510 | value_print_scalar_formatted (val, options, 0, stream); | |
511 | else | |
512 | { | |
d0c97917 | 513 | struct type *type = check_typedef (val->type ()); |
27710edb | 514 | struct type *elttype = check_typedef (type->target_type ()); |
efaf1ae0 | 515 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
2a5b130b TT |
516 | CORE_ADDR addr = unpack_pointer (type, valaddr); |
517 | ||
518 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
519 | } | |
520 | } | |
521 | ||
45000ea2 | 522 | |
3326303b MG |
523 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
524 | ||
525 | static void | |
526 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
527 | int embedded_offset, struct ui_file *stream) | |
528 | { | |
8ee511af | 529 | struct gdbarch *gdbarch = type->arch (); |
3326303b MG |
530 | |
531 | if (address_buffer != NULL) | |
532 | { | |
533 | CORE_ADDR address | |
534 | = extract_typed_address (address_buffer + embedded_offset, type); | |
535 | ||
6cb06a8c | 536 | gdb_printf (stream, "@"); |
0426ad51 | 537 | gdb_puts (paddress (gdbarch, address), stream); |
3326303b MG |
538 | } |
539 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
540 | } | |
541 | ||
542 | /* If VAL is addressable, return the value contents buffer of a value that | |
543 | represents a pointer to VAL. Otherwise return NULL. */ | |
544 | ||
545 | static const gdb_byte * | |
546 | get_value_addr_contents (struct value *deref_val) | |
547 | { | |
548 | gdb_assert (deref_val != NULL); | |
549 | ||
97044105 | 550 | if (deref_val->lval () == lval_memory) |
efaf1ae0 | 551 | return value_addr (deref_val)->contents_for_printing ().data (); |
3326303b MG |
552 | else |
553 | { | |
554 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
555 | return NULL; | |
556 | } | |
557 | } | |
558 | ||
aa006118 | 559 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
560 | |
561 | static void | |
e8b24d9f | 562 | generic_val_print_ref (struct type *type, |
fe43fede | 563 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 564 | struct value *original_value, |
fe43fede SM |
565 | const struct value_print_options *options) |
566 | { | |
27710edb | 567 | struct type *elttype = check_typedef (type->target_type ()); |
3326303b | 568 | struct value *deref_val = NULL; |
19124154 | 569 | const bool value_is_synthetic |
e989e637 TT |
570 | = original_value->bits_synthetic_pointer (TARGET_CHAR_BIT * embedded_offset, |
571 | TARGET_CHAR_BIT * type->length ()); | |
3326303b MG |
572 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) |
573 | || options->deref_ref); | |
78134374 | 574 | const int type_is_defined = elttype->code () != TYPE_CODE_UNDEF; |
efaf1ae0 | 575 | const gdb_byte *valaddr = original_value->contents_for_printing ().data (); |
3326303b MG |
576 | |
577 | if (must_coerce_ref && type_is_defined) | |
578 | { | |
579 | deref_val = coerce_ref_if_computed (original_value); | |
580 | ||
581 | if (deref_val != NULL) | |
582 | { | |
583 | /* More complicated computed references are not supported. */ | |
584 | gdb_assert (embedded_offset == 0); | |
585 | } | |
586 | else | |
27710edb | 587 | deref_val = value_at (type->target_type (), |
3326303b MG |
588 | unpack_pointer (type, valaddr + embedded_offset)); |
589 | } | |
590 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
591 | the reference's contents. | |
592 | ||
593 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
594 | cause original_value to be a not_lval instead of an lval_computed, | |
595 | which will make value_bits_synthetic_pointer return false. | |
596 | This happens because if options->objectprint is true, c_value_print will | |
597 | overwrite original_value's contents with the result of coercing | |
598 | the reference through value_addr, and then set its type back to | |
599 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
600 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
601 | |
602 | if (options->addressprint) | |
603 | { | |
3326303b MG |
604 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
605 | ? get_value_addr_contents (deref_val) | |
606 | : valaddr); | |
607 | ||
608 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 609 | |
fe43fede | 610 | if (options->deref_ref) |
0426ad51 | 611 | gdb_puts (": ", stream); |
fe43fede | 612 | } |
3326303b | 613 | |
fe43fede SM |
614 | if (options->deref_ref) |
615 | { | |
3326303b MG |
616 | if (type_is_defined) |
617 | common_val_print (deref_val, stream, recurse, options, | |
618 | current_language); | |
fe43fede | 619 | else |
0426ad51 | 620 | gdb_puts ("???", stream); |
fe43fede SM |
621 | } |
622 | } | |
623 | ||
81516450 DE |
624 | /* Helper function for generic_val_print_enum. |
625 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
626 | |
627 | static void | |
81516450 DE |
628 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
629 | struct ui_file *stream) | |
ef0bc0dd SM |
630 | { |
631 | unsigned int i; | |
632 | unsigned int len; | |
ef0bc0dd | 633 | |
1f704f76 | 634 | len = type->num_fields (); |
ef0bc0dd SM |
635 | for (i = 0; i < len; i++) |
636 | { | |
637 | QUIT; | |
970db518 | 638 | if (val == type->field (i).loc_enumval ()) |
ef0bc0dd SM |
639 | { |
640 | break; | |
641 | } | |
642 | } | |
643 | if (i < len) | |
644 | { | |
33d16dd9 | 645 | fputs_styled (type->field (i).name (), variable_name_style.style (), |
3f0cbb04 | 646 | stream); |
ef0bc0dd | 647 | } |
0672875f | 648 | else if (type->is_flag_enum ()) |
ef0bc0dd SM |
649 | { |
650 | int first = 1; | |
651 | ||
6740f0cc SM |
652 | /* We have a "flag" enum, so we try to decompose it into pieces as |
653 | appropriate. The enum may have multiple enumerators representing | |
654 | the same bit, in which case we choose to only print the first one | |
655 | we find. */ | |
ef0bc0dd SM |
656 | for (i = 0; i < len; ++i) |
657 | { | |
658 | QUIT; | |
659 | ||
970db518 | 660 | ULONGEST enumval = type->field (i).loc_enumval (); |
edd45eb0 SM |
661 | int nbits = count_one_bits_ll (enumval); |
662 | ||
663 | gdb_assert (nbits == 0 || nbits == 1); | |
664 | ||
665 | if ((val & enumval) != 0) | |
ef0bc0dd | 666 | { |
373d7ac0 SM |
667 | if (first) |
668 | { | |
0426ad51 | 669 | gdb_puts ("(", stream); |
373d7ac0 SM |
670 | first = 0; |
671 | } | |
672 | else | |
0426ad51 | 673 | gdb_puts (" | ", stream); |
ef0bc0dd | 674 | |
970db518 | 675 | val &= ~type->field (i).loc_enumval (); |
33d16dd9 | 676 | fputs_styled (type->field (i).name (), |
3f0cbb04 | 677 | variable_name_style.style (), stream); |
ef0bc0dd SM |
678 | } |
679 | } | |
680 | ||
373d7ac0 | 681 | if (val != 0) |
ef0bc0dd | 682 | { |
373d7ac0 SM |
683 | /* There are leftover bits, print them. */ |
684 | if (first) | |
0426ad51 | 685 | gdb_puts ("(", stream); |
373d7ac0 | 686 | else |
0426ad51 | 687 | gdb_puts (" | ", stream); |
373d7ac0 | 688 | |
0426ad51 | 689 | gdb_puts ("unknown: 0x", stream); |
b29a2df0 | 690 | print_longest (stream, 'x', 0, val); |
0426ad51 | 691 | gdb_puts (")", stream); |
373d7ac0 SM |
692 | } |
693 | else if (first) | |
694 | { | |
695 | /* Nothing has been printed and the value is 0, the enum value must | |
696 | have been 0. */ | |
0426ad51 | 697 | gdb_puts ("0", stream); |
373d7ac0 SM |
698 | } |
699 | else | |
700 | { | |
701 | /* Something has been printed, close the parenthesis. */ | |
0426ad51 | 702 | gdb_puts (")", stream); |
ef0bc0dd | 703 | } |
ef0bc0dd SM |
704 | } |
705 | else | |
706 | print_longest (stream, 'd', 0, val); | |
707 | } | |
708 | ||
81516450 DE |
709 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
710 | ||
711 | static void | |
e8b24d9f | 712 | generic_val_print_enum (struct type *type, |
81516450 | 713 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 714 | struct value *original_value, |
81516450 DE |
715 | const struct value_print_options *options) |
716 | { | |
717 | LONGEST val; | |
8ee511af | 718 | struct gdbarch *gdbarch = type->arch (); |
81516450 DE |
719 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); |
720 | ||
40f3ce18 | 721 | gdb_assert (!options->format); |
e8b24d9f | 722 | |
efaf1ae0 | 723 | const gdb_byte *valaddr = original_value->contents_for_printing ().data (); |
81516450 | 724 | |
40f3ce18 TT |
725 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
726 | ||
727 | generic_val_print_enum_1 (type, val, stream); | |
81516450 DE |
728 | } |
729 | ||
4a8c372f SM |
730 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
731 | ||
732 | static void | |
e8b24d9f | 733 | generic_val_print_func (struct type *type, |
4a8c372f SM |
734 | int embedded_offset, CORE_ADDR address, |
735 | struct ui_file *stream, | |
e8b24d9f | 736 | struct value *original_value, |
4a8c372f SM |
737 | const struct value_print_options *options) |
738 | { | |
8ee511af | 739 | struct gdbarch *gdbarch = type->arch (); |
4a8c372f | 740 | |
4112d2e6 TT |
741 | gdb_assert (!options->format); |
742 | ||
743 | /* FIXME, we should consider, at least for ANSI C language, | |
744 | eliminating the distinction made between FUNCs and POINTERs to | |
745 | FUNCs. */ | |
6cb06a8c | 746 | gdb_printf (stream, "{"); |
4112d2e6 | 747 | type_print (type, "", stream, -1); |
6cb06a8c | 748 | gdb_printf (stream, "} "); |
4112d2e6 TT |
749 | /* Try to print what function it points to, and its address. */ |
750 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
4a8c372f SM |
751 | } |
752 | ||
6dde7521 TT |
753 | /* generic_value_print helper for TYPE_CODE_BOOL. */ |
754 | ||
755 | static void | |
756 | generic_value_print_bool | |
757 | (struct value *value, struct ui_file *stream, | |
758 | const struct value_print_options *options, | |
759 | const struct generic_val_print_decorations *decorations) | |
760 | { | |
761 | if (options->format || options->output_format) | |
762 | { | |
763 | struct value_print_options opts = *options; | |
764 | opts.format = (options->format ? options->format | |
765 | : options->output_format); | |
766 | value_print_scalar_formatted (value, &opts, 0, stream); | |
767 | } | |
768 | else | |
769 | { | |
efaf1ae0 | 770 | const gdb_byte *valaddr = value->contents_for_printing ().data (); |
d0c97917 | 771 | struct type *type = check_typedef (value->type ()); |
6dde7521 TT |
772 | LONGEST val = unpack_long (type, valaddr); |
773 | if (val == 0) | |
0426ad51 | 774 | gdb_puts (decorations->false_name, stream); |
6dde7521 | 775 | else if (val == 1) |
0426ad51 | 776 | gdb_puts (decorations->true_name, stream); |
6dde7521 TT |
777 | else |
778 | print_longest (stream, 'd', 0, val); | |
779 | } | |
780 | } | |
781 | ||
fdddfccb TT |
782 | /* generic_value_print helper for TYPE_CODE_INT. */ |
783 | ||
784 | static void | |
785 | generic_value_print_int (struct value *val, struct ui_file *stream, | |
786 | const struct value_print_options *options) | |
787 | { | |
788 | struct value_print_options opts = *options; | |
789 | ||
790 | opts.format = (options->format ? options->format | |
791 | : options->output_format); | |
792 | value_print_scalar_formatted (val, &opts, 0, stream); | |
793 | } | |
794 | ||
3eec3b05 TT |
795 | /* generic_value_print helper for TYPE_CODE_CHAR. */ |
796 | ||
797 | static void | |
798 | generic_value_print_char (struct value *value, struct ui_file *stream, | |
799 | const struct value_print_options *options) | |
800 | { | |
801 | if (options->format || options->output_format) | |
802 | { | |
803 | struct value_print_options opts = *options; | |
804 | ||
805 | opts.format = (options->format ? options->format | |
806 | : options->output_format); | |
807 | value_print_scalar_formatted (value, &opts, 0, stream); | |
808 | } | |
809 | else | |
810 | { | |
d0c97917 | 811 | struct type *unresolved_type = value->type (); |
3eec3b05 | 812 | struct type *type = check_typedef (unresolved_type); |
efaf1ae0 | 813 | const gdb_byte *valaddr = value->contents_for_printing ().data (); |
3eec3b05 TT |
814 | |
815 | LONGEST val = unpack_long (type, valaddr); | |
c6d940a9 | 816 | if (type->is_unsigned ()) |
6cb06a8c | 817 | gdb_printf (stream, "%u", (unsigned int) val); |
3eec3b05 | 818 | else |
6cb06a8c | 819 | gdb_printf (stream, "%d", (int) val); |
0426ad51 | 820 | gdb_puts (" ", stream); |
362501dc | 821 | current_language->printchar (val, unresolved_type, stream); |
3eec3b05 TT |
822 | } |
823 | } | |
824 | ||
fdf0cbc2 | 825 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
826 | |
827 | static void | |
82836c92 | 828 | generic_val_print_float (struct type *type, struct ui_file *stream, |
e8b24d9f | 829 | struct value *original_value, |
7784724b SM |
830 | const struct value_print_options *options) |
831 | { | |
f5354008 | 832 | gdb_assert (!options->format); |
e8b24d9f | 833 | |
efaf1ae0 | 834 | const gdb_byte *valaddr = original_value->contents_for_printing ().data (); |
f5354008 | 835 | |
82836c92 | 836 | print_floating (valaddr, type, stream); |
7784724b SM |
837 | } |
838 | ||
09584414 JB |
839 | /* generic_val_print helper for TYPE_CODE_FIXED_POINT. */ |
840 | ||
841 | static void | |
842 | generic_val_print_fixed_point (struct value *val, struct ui_file *stream, | |
843 | const struct value_print_options *options) | |
844 | { | |
845 | if (options->format) | |
846 | value_print_scalar_formatted (val, options, 0, stream); | |
847 | else | |
848 | { | |
d0c97917 | 849 | struct type *type = val->type (); |
09584414 | 850 | |
efaf1ae0 | 851 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
09584414 JB |
852 | gdb_mpf f; |
853 | ||
df86565b | 854 | f.read_fixed_point (gdb::make_array_view (valaddr, type->length ()), |
09584414 | 855 | type_byte_order (type), type->is_unsigned (), |
e6fcee3a | 856 | type->fixed_point_scaling_factor ()); |
09584414 | 857 | |
df86565b | 858 | const char *fmt = type->length () < 4 ? "%.11Fg" : "%.17Fg"; |
d0aa28e1 | 859 | std::string str = f.str (fmt); |
6cb06a8c | 860 | gdb_printf (stream, "%s", str.c_str ()); |
09584414 JB |
861 | } |
862 | } | |
863 | ||
4f412b6e TT |
864 | /* generic_value_print helper for TYPE_CODE_COMPLEX. */ |
865 | ||
866 | static void | |
867 | generic_value_print_complex (struct value *val, struct ui_file *stream, | |
868 | const struct value_print_options *options, | |
869 | const struct generic_val_print_decorations | |
870 | *decorations) | |
871 | { | |
6cb06a8c | 872 | gdb_printf (stream, "%s", decorations->complex_prefix); |
4f412b6e | 873 | |
4c99290d | 874 | struct value *real_part = value_real_part (val); |
4f412b6e | 875 | value_print_scalar_formatted (real_part, options, 0, stream); |
6cb06a8c | 876 | gdb_printf (stream, "%s", decorations->complex_infix); |
4f412b6e | 877 | |
4c99290d | 878 | struct value *imag_part = value_imaginary_part (val); |
4f412b6e | 879 | value_print_scalar_formatted (imag_part, options, 0, stream); |
6cb06a8c | 880 | gdb_printf (stream, "%s", decorations->complex_suffix); |
4f412b6e TT |
881 | } |
882 | ||
6b5a7bc7 TT |
883 | /* generic_value_print helper for TYPE_CODE_MEMBERPTR. */ |
884 | ||
885 | static void | |
886 | generic_value_print_memberptr | |
887 | (struct value *val, struct ui_file *stream, | |
888 | int recurse, | |
889 | const struct value_print_options *options, | |
890 | const struct generic_val_print_decorations *decorations) | |
891 | { | |
892 | if (!options->format) | |
893 | { | |
894 | /* Member pointers are essentially specific to C++, and so if we | |
895 | encounter one, we should print it according to C++ rules. */ | |
d0c97917 | 896 | struct type *type = check_typedef (val->type ()); |
efaf1ae0 | 897 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
6b5a7bc7 TT |
898 | cp_print_class_member (valaddr, type, stream, "&"); |
899 | } | |
900 | else | |
86430497 | 901 | value_print_scalar_formatted (val, options, 0, stream); |
6b5a7bc7 TT |
902 | } |
903 | ||
156bfec9 TT |
904 | /* See valprint.h. */ |
905 | ||
906 | void | |
907 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
908 | const struct value_print_options *options, | |
909 | const struct generic_val_print_decorations *decorations) | |
910 | { | |
d0c97917 | 911 | struct type *type = val->type (); |
abc66ce9 TT |
912 | |
913 | type = check_typedef (type); | |
09584414 JB |
914 | |
915 | if (is_fixed_point_type (type)) | |
d19937a7 | 916 | type = type->fixed_point_type_base_type (); |
09584414 | 917 | |
79a07423 TT |
918 | /* Widen a subrange to its target type, then use that type's |
919 | printer. */ | |
920 | while (type->code () == TYPE_CODE_RANGE) | |
921 | { | |
27710edb | 922 | type = check_typedef (type->target_type ()); |
79a07423 TT |
923 | val = value_cast (type, val); |
924 | } | |
925 | ||
78134374 | 926 | switch (type->code ()) |
abc66ce9 TT |
927 | { |
928 | case TYPE_CODE_ARRAY: | |
426a9c18 | 929 | generic_val_print_array (val, stream, recurse, options, decorations); |
abc66ce9 TT |
930 | break; |
931 | ||
932 | case TYPE_CODE_MEMBERPTR: | |
6b5a7bc7 TT |
933 | generic_value_print_memberptr (val, stream, recurse, options, |
934 | decorations); | |
abc66ce9 TT |
935 | break; |
936 | ||
937 | case TYPE_CODE_PTR: | |
2a5b130b | 938 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
939 | break; |
940 | ||
941 | case TYPE_CODE_REF: | |
942 | case TYPE_CODE_RVALUE_REF: | |
943 | generic_val_print_ref (type, 0, stream, recurse, | |
944 | val, options); | |
945 | break; | |
946 | ||
947 | case TYPE_CODE_ENUM: | |
40f3ce18 TT |
948 | if (options->format) |
949 | value_print_scalar_formatted (val, options, 0, stream); | |
950 | else | |
951 | generic_val_print_enum (type, 0, stream, val, options); | |
abc66ce9 TT |
952 | break; |
953 | ||
954 | case TYPE_CODE_FLAGS: | |
65786af6 TT |
955 | if (options->format) |
956 | value_print_scalar_formatted (val, options, 0, stream); | |
957 | else | |
958 | val_print_type_code_flags (type, val, 0, stream); | |
abc66ce9 TT |
959 | break; |
960 | ||
961 | case TYPE_CODE_FUNC: | |
962 | case TYPE_CODE_METHOD: | |
4112d2e6 TT |
963 | if (options->format) |
964 | value_print_scalar_formatted (val, options, 0, stream); | |
965 | else | |
9feb2d07 | 966 | generic_val_print_func (type, 0, val->address (), stream, |
4112d2e6 | 967 | val, options); |
abc66ce9 TT |
968 | break; |
969 | ||
970 | case TYPE_CODE_BOOL: | |
6dde7521 | 971 | generic_value_print_bool (val, stream, options, decorations); |
abc66ce9 TT |
972 | break; |
973 | ||
abc66ce9 | 974 | case TYPE_CODE_INT: |
fdddfccb | 975 | generic_value_print_int (val, stream, options); |
abc66ce9 TT |
976 | break; |
977 | ||
978 | case TYPE_CODE_CHAR: | |
3eec3b05 | 979 | generic_value_print_char (val, stream, options); |
abc66ce9 TT |
980 | break; |
981 | ||
982 | case TYPE_CODE_FLT: | |
983 | case TYPE_CODE_DECFLOAT: | |
f5354008 TT |
984 | if (options->format) |
985 | value_print_scalar_formatted (val, options, 0, stream); | |
986 | else | |
82836c92 | 987 | generic_val_print_float (type, stream, val, options); |
abc66ce9 TT |
988 | break; |
989 | ||
09584414 JB |
990 | case TYPE_CODE_FIXED_POINT: |
991 | generic_val_print_fixed_point (val, stream, options); | |
992 | break; | |
993 | ||
abc66ce9 | 994 | case TYPE_CODE_VOID: |
0426ad51 | 995 | gdb_puts (decorations->void_name, stream); |
abc66ce9 TT |
996 | break; |
997 | ||
998 | case TYPE_CODE_ERROR: | |
6cb06a8c | 999 | gdb_printf (stream, "%s", TYPE_ERROR_NAME (type)); |
abc66ce9 TT |
1000 | break; |
1001 | ||
1002 | case TYPE_CODE_UNDEF: | |
1003 | /* This happens (without TYPE_STUB set) on systems which don't use | |
dda83cd7 SM |
1004 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
1005 | and no complete type for struct foo in that file. */ | |
abc66ce9 TT |
1006 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
1007 | break; | |
1008 | ||
1009 | case TYPE_CODE_COMPLEX: | |
4f412b6e | 1010 | generic_value_print_complex (val, stream, options, decorations); |
abc66ce9 TT |
1011 | break; |
1012 | ||
6b5a7bc7 | 1013 | case TYPE_CODE_METHODPTR: |
efaf1ae0 | 1014 | cplus_print_method_ptr (val->contents_for_printing ().data (), type, |
6b5a7bc7 TT |
1015 | stream); |
1016 | break; | |
1017 | ||
abc66ce9 TT |
1018 | case TYPE_CODE_UNION: |
1019 | case TYPE_CODE_STRUCT: | |
abc66ce9 TT |
1020 | default: |
1021 | error (_("Unhandled type code %d in symbol table."), | |
78134374 | 1022 | type->code ()); |
abc66ce9 | 1023 | } |
156bfec9 TT |
1024 | } |
1025 | ||
1a1bfce7 TT |
1026 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
1027 | to OPTIONS. | |
32b72a42 | 1028 | |
1a1bfce7 TT |
1029 | This is a preferable interface to val_print, above, because it uses |
1030 | GDB's value mechanism. */ | |
1031 | ||
1032 | void | |
1033 | common_val_print (struct value *value, struct ui_file *stream, int recurse, | |
1034 | const struct value_print_options *options, | |
1035 | const struct language_defn *language) | |
c906108c | 1036 | { |
1a1bfce7 TT |
1037 | if (language->la_language == language_ada) |
1038 | /* The value might have a dynamic type, which would cause trouble | |
1039 | below when trying to extract the value contents (since the value | |
1040 | size is determined from the type size which is unknown). So | |
1041 | get a fixed representation of our value. */ | |
1042 | value = ada_to_fixed_value (value); | |
1043 | ||
3ee3b270 | 1044 | if (value->lazy ()) |
78259c36 | 1045 | value->fetch_lazy (); |
1a1bfce7 | 1046 | |
79a45b7d | 1047 | struct value_print_options local_opts = *options; |
d0c97917 | 1048 | struct type *type = value->type (); |
c906108c | 1049 | struct type *real_type = check_typedef (type); |
79a45b7d | 1050 | |
2a998fc0 DE |
1051 | if (local_opts.prettyformat == Val_prettyformat_default) |
1052 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
1053 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 1054 | |
c906108c SS |
1055 | QUIT; |
1056 | ||
1057 | /* Ensure that the type is complete and not just a stub. If the type is | |
1058 | only a stub and we can't find and substitute its complete type, then | |
1059 | print appropriate string and return. */ | |
1060 | ||
e46d3488 | 1061 | if (real_type->is_stub ()) |
c906108c | 1062 | { |
7f6aba03 | 1063 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 1064 | return; |
c906108c | 1065 | } |
c5aa993b | 1066 | |
426a9c18 | 1067 | if (!valprint_check_validity (stream, real_type, 0, value)) |
35c0084b | 1068 | return; |
0e03807e | 1069 | |
a6bac58e TT |
1070 | if (!options->raw) |
1071 | { | |
1a1bfce7 TT |
1072 | if (apply_ext_lang_val_pretty_printer (value, stream, recurse, options, |
1073 | language)) | |
35c0084b | 1074 | return; |
a6bac58e TT |
1075 | } |
1076 | ||
1077 | /* Handle summary mode. If the value is a scalar, print it; | |
1078 | otherwise, print an ellipsis. */ | |
6211c335 | 1079 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e | 1080 | { |
6cb06a8c | 1081 | gdb_printf (stream, "..."); |
35c0084b | 1082 | return; |
a6bac58e TT |
1083 | } |
1084 | ||
2e62ab40 AB |
1085 | /* If this value is too deep then don't print it. */ |
1086 | if (!val_print_scalar_or_string_type_p (type, language) | |
1087 | && val_print_check_max_depth (stream, recurse, options, language)) | |
1088 | return; | |
1089 | ||
a70b8144 | 1090 | try |
19ca80ba | 1091 | { |
ebe2334e | 1092 | language->value_print_inner (value, stream, recurse, &local_opts); |
19ca80ba | 1093 | } |
230d2906 | 1094 | catch (const gdb_exception_error &except) |
492d29ea | 1095 | { |
7f6aba03 | 1096 | fprintf_styled (stream, metadata_style.style (), |
9cd609f8 | 1097 | _("<error reading variable: %s>"), except.what ()); |
492d29ea | 1098 | } |
c906108c SS |
1099 | } |
1100 | ||
2e62ab40 AB |
1101 | /* See valprint.h. */ |
1102 | ||
1103 | bool | |
1104 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1105 | const struct value_print_options *options, | |
1106 | const struct language_defn *language) | |
1107 | { | |
1108 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1109 | { | |
22e3f3ed | 1110 | gdb_assert (language->struct_too_deep_ellipsis () != NULL); |
0426ad51 | 1111 | gdb_puts (language->struct_too_deep_ellipsis (), stream); |
2e62ab40 AB |
1112 | return true; |
1113 | } | |
1114 | ||
1115 | return false; | |
1116 | } | |
1117 | ||
806048c6 | 1118 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1119 | return 0 and print an appropriate error message to STREAM according to |
1120 | OPTIONS if it is not. */ | |
c906108c | 1121 | |
806048c6 | 1122 | static int |
6501578c YQ |
1123 | value_check_printable (struct value *val, struct ui_file *stream, |
1124 | const struct value_print_options *options) | |
c906108c SS |
1125 | { |
1126 | if (val == 0) | |
1127 | { | |
7f6aba03 TT |
1128 | fprintf_styled (stream, metadata_style.style (), |
1129 | _("<address of value unknown>")); | |
c906108c SS |
1130 | return 0; |
1131 | } | |
806048c6 | 1132 | |
d00664db | 1133 | if (val->entirely_optimized_out ()) |
c906108c | 1134 | { |
d0c97917 | 1135 | if (options->summary && !val_print_scalar_type_p (val->type ())) |
6cb06a8c | 1136 | gdb_printf (stream, "..."); |
6501578c | 1137 | else |
901461f8 | 1138 | val_print_optimized_out (val, stream); |
c906108c SS |
1139 | return 0; |
1140 | } | |
806048c6 | 1141 | |
d00664db | 1142 | if (val->entirely_unavailable ()) |
eebc056c | 1143 | { |
d0c97917 | 1144 | if (options->summary && !val_print_scalar_type_p (val->type ())) |
6cb06a8c | 1145 | gdb_printf (stream, "..."); |
eebc056c AB |
1146 | else |
1147 | val_print_unavailable (stream); | |
1148 | return 0; | |
1149 | } | |
1150 | ||
d0c97917 | 1151 | if (val->type ()->code () == TYPE_CODE_INTERNAL_FUNCTION) |
bc3b79fd | 1152 | { |
7f6aba03 TT |
1153 | fprintf_styled (stream, metadata_style.style (), |
1154 | _("<internal function %s>"), | |
1155 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1156 | return 0; |
1157 | } | |
1158 | ||
d0c97917 | 1159 | if (type_not_associated (val->type ())) |
3f2f83dd KB |
1160 | { |
1161 | val_print_not_associated (stream); | |
1162 | return 0; | |
1163 | } | |
1164 | ||
d0c97917 | 1165 | if (type_not_allocated (val->type ())) |
3f2f83dd KB |
1166 | { |
1167 | val_print_not_allocated (stream); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
806048c6 DJ |
1171 | return 1; |
1172 | } | |
1173 | ||
c2a44efe TT |
1174 | /* See valprint.h. */ |
1175 | ||
1176 | void | |
1177 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1178 | int recurse, | |
1179 | const struct value_print_options *options, | |
1180 | const struct language_defn *language) | |
1181 | { | |
1182 | if (!value_check_printable (val, stream, options)) | |
1183 | return; | |
1184 | common_val_print (val, stream, recurse, options, language); | |
1185 | } | |
1186 | ||
7348c5e1 | 1187 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1188 | is printed using the current_language syntax. */ |
7348c5e1 | 1189 | |
8e069a98 | 1190 | void |
79a45b7d TT |
1191 | value_print (struct value *val, struct ui_file *stream, |
1192 | const struct value_print_options *options) | |
806048c6 | 1193 | { |
ce3acbe9 TT |
1194 | scoped_value_mark free_values; |
1195 | ||
6501578c | 1196 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1197 | return; |
806048c6 | 1198 | |
a6bac58e TT |
1199 | if (!options->raw) |
1200 | { | |
6dddc817 | 1201 | int r |
42331a1e TT |
1202 | = apply_ext_lang_val_pretty_printer (val, stream, 0, options, |
1203 | current_language); | |
a109c7c1 | 1204 | |
a6bac58e | 1205 | if (r) |
8e069a98 | 1206 | return; |
a6bac58e TT |
1207 | } |
1208 | ||
00c696a6 | 1209 | current_language->value_print (val, stream, options); |
c906108c SS |
1210 | } |
1211 | ||
731d2cc1 TV |
1212 | /* Meant to be used in debug sessions, so don't export it in a header file. */ |
1213 | extern void ATTRIBUTE_UNUSED debug_val (struct value *val); | |
1214 | ||
1215 | /* Print VAL. */ | |
1216 | ||
1217 | void ATTRIBUTE_UNUSED | |
1218 | debug_val (struct value *val) | |
1219 | { | |
1220 | value_print (val, gdb_stdlog, &user_print_options); | |
1221 | gdb_flush (gdb_stdlog); | |
1222 | } | |
1223 | ||
81516450 | 1224 | static void |
65786af6 TT |
1225 | val_print_type_code_flags (struct type *type, struct value *original_value, |
1226 | int embedded_offset, struct ui_file *stream) | |
4f2aea11 | 1227 | { |
efaf1ae0 | 1228 | const gdb_byte *valaddr = (original_value->contents_for_printing ().data () |
65786af6 | 1229 | + embedded_offset); |
befae759 | 1230 | ULONGEST val = unpack_long (type, valaddr); |
1f704f76 | 1231 | int field, nfields = type->num_fields (); |
8ee511af | 1232 | struct gdbarch *gdbarch = type->arch (); |
81516450 | 1233 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; |
4f2aea11 | 1234 | |
0426ad51 | 1235 | gdb_puts ("[", stream); |
81516450 | 1236 | for (field = 0; field < nfields; field++) |
4f2aea11 | 1237 | { |
33d16dd9 | 1238 | if (type->field (field).name ()[0] != '\0') |
4f2aea11 | 1239 | { |
940da03e | 1240 | struct type *field_type = type->field (field).type (); |
81516450 DE |
1241 | |
1242 | if (field_type == bool_type | |
1243 | /* We require boolean types here to be one bit wide. This is a | |
1244 | problematic place to notify the user of an internal error | |
1245 | though. Instead just fall through and print the field as an | |
1246 | int. */ | |
1247 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1248 | { | |
b610c045 | 1249 | if (val & ((ULONGEST)1 << type->field (field).loc_bitpos ())) |
6cb06a8c | 1250 | gdb_printf |
3f0cbb04 TT |
1251 | (stream, " %ps", |
1252 | styled_string (variable_name_style.style (), | |
33d16dd9 | 1253 | type->field (field).name ())); |
81516450 | 1254 | } |
4f2aea11 | 1255 | else |
81516450 DE |
1256 | { |
1257 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
b610c045 | 1258 | ULONGEST field_val = val >> type->field (field).loc_bitpos (); |
81516450 DE |
1259 | |
1260 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1261 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
6cb06a8c TT |
1262 | gdb_printf (stream, " %ps=", |
1263 | styled_string (variable_name_style.style (), | |
1264 | type->field (field).name ())); | |
78134374 | 1265 | if (field_type->code () == TYPE_CODE_ENUM) |
81516450 DE |
1266 | generic_val_print_enum_1 (field_type, field_val, stream); |
1267 | else | |
1268 | print_longest (stream, 'd', 0, field_val); | |
1269 | } | |
4f2aea11 MK |
1270 | } |
1271 | } | |
0426ad51 | 1272 | gdb_puts (" ]", stream); |
19c37f24 | 1273 | } |
ab2188aa | 1274 | |
4f9ae810 TT |
1275 | /* See valprint.h. */ |
1276 | ||
1277 | void | |
1278 | value_print_scalar_formatted (struct value *val, | |
1279 | const struct value_print_options *options, | |
1280 | int size, | |
1281 | struct ui_file *stream) | |
1282 | { | |
d0c97917 | 1283 | struct type *type = check_typedef (val->type ()); |
4f9ae810 TT |
1284 | |
1285 | gdb_assert (val != NULL); | |
1286 | ||
1287 | /* If we get here with a string format, try again without it. Go | |
1288 | all the way back to the language printers, which may call us | |
1289 | again. */ | |
1290 | if (options->format == 's') | |
1291 | { | |
1292 | struct value_print_options opts = *options; | |
1293 | opts.format = 0; | |
dad6b350 | 1294 | opts.deref_ref = false; |
4f9ae810 TT |
1295 | common_val_print (val, stream, 0, &opts, current_language); |
1296 | return; | |
1297 | } | |
1298 | ||
1299 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1300 | needed to check whether VAL is optimized-out or unavailable | |
1301 | below. */ | |
efaf1ae0 | 1302 | const gdb_byte *valaddr = val->contents_for_printing ().data (); |
4f9ae810 TT |
1303 | |
1304 | /* A scalar object that does not have all bits available can't be | |
1305 | printed, because all bits contribute to its representation. */ | |
d00664db TT |
1306 | if (val->bits_any_optimized_out (0, |
1307 | TARGET_CHAR_BIT * type->length ())) | |
4f9ae810 | 1308 | val_print_optimized_out (val, stream); |
d00664db | 1309 | else if (!val->bytes_available (0, type->length ())) |
4f9ae810 TT |
1310 | val_print_unavailable (stream); |
1311 | else | |
1312 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1313 | } | |
1314 | ||
c906108c SS |
1315 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1316 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1317 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1318 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1319 | format. |
bb599908 PH |
1320 | |
1321 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1322 | 'o' and 'x' format do not include the standard C radix prefix | |
1323 | (leading 0 or 0x). | |
1324 | ||
1325 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1326 | and was intended to request formatting according to the current |
bb599908 PH |
1327 | language and would be used for most integers that GDB prints. The |
1328 | exceptional cases were things like protocols where the format of | |
1329 | the integer is a protocol thing, not a user-visible thing). The | |
1330 | parameter remains to preserve the information of what things might | |
1331 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1332 | that capability. */ |
c906108c SS |
1333 | |
1334 | void | |
bb599908 | 1335 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1336 | LONGEST val_long) |
c906108c | 1337 | { |
2bfb72ee AC |
1338 | const char *val; |
1339 | ||
c906108c SS |
1340 | switch (format) |
1341 | { | |
1342 | case 'd': | |
bb599908 | 1343 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1344 | case 'u': |
bb599908 | 1345 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1346 | case 'x': |
bb599908 | 1347 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1348 | case 'b': |
bb599908 | 1349 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1350 | case 'h': |
bb599908 | 1351 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1352 | case 'w': |
bb599908 | 1353 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1354 | case 'g': |
bb599908 | 1355 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1356 | break; |
1357 | case 'o': | |
bb599908 | 1358 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1359 | default: |
f34652de | 1360 | internal_error (_("failed internal consistency check")); |
bb599908 | 1361 | } |
0426ad51 | 1362 | gdb_puts (val, stream); |
c906108c SS |
1363 | } |
1364 | ||
c906108c SS |
1365 | /* This used to be a macro, but I don't think it is called often enough |
1366 | to merit such treatment. */ | |
1367 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1368 | arguments to a function, number in a value history, register number, etc.) | |
1369 | where the value must not be larger than can fit in an int. */ | |
1370 | ||
1371 | int | |
fba45db2 | 1372 | longest_to_int (LONGEST arg) |
c906108c | 1373 | { |
581e13c1 | 1374 | /* Let the compiler do the work. */ |
c906108c SS |
1375 | int rtnval = (int) arg; |
1376 | ||
581e13c1 | 1377 | /* Check for overflows or underflows. */ |
c906108c SS |
1378 | if (sizeof (LONGEST) > sizeof (int)) |
1379 | { | |
1380 | if (rtnval != arg) | |
1381 | { | |
8a3fe4f8 | 1382 | error (_("Value out of range.")); |
c906108c SS |
1383 | } |
1384 | } | |
1385 | return (rtnval); | |
1386 | } | |
1387 | ||
fdf0cbc2 UW |
1388 | /* Print a floating point value of floating-point type TYPE, |
1389 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1390 | |
1391 | void | |
fc1a4b47 | 1392 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1393 | struct ui_file *stream) |
c906108c | 1394 | { |
f69fdf9b | 1395 | std::string str = target_float_to_string (valaddr, type); |
0426ad51 | 1396 | gdb_puts (str.c_str (), stream); |
7678ef8f TJB |
1397 | } |
1398 | ||
c5aa993b | 1399 | void |
fc1a4b47 | 1400 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
21a527df EL |
1401 | unsigned len, enum bfd_endian byte_order, bool zero_pad, |
1402 | const struct value_print_options *options) | |
c906108c | 1403 | { |
fc1a4b47 | 1404 | const gdb_byte *p; |
745b8ca0 | 1405 | unsigned int i; |
c5aa993b | 1406 | int b; |
30a25466 | 1407 | bool seen_a_one = false; |
21a527df | 1408 | const char *digit_separator = nullptr; |
c906108c SS |
1409 | |
1410 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1411 | This ensures that right shift will shift in zeros. */ |
1412 | ||
c5aa993b | 1413 | const int mask = 0x080; |
c906108c | 1414 | |
21a527df EL |
1415 | if (options->nibblesprint) |
1416 | digit_separator = current_language->get_digit_separator(); | |
1417 | ||
d44e8473 | 1418 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1419 | { |
1420 | for (p = valaddr; | |
1421 | p < valaddr + len; | |
1422 | p++) | |
1423 | { | |
c5aa993b | 1424 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1425 | and print from the MSB end. */ |
1426 | ||
d3abe1c8 | 1427 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b | 1428 | { |
21a527df EL |
1429 | if (options->nibblesprint && seen_a_one && i % 4 == 0) |
1430 | gdb_putc (*digit_separator, stream); | |
1431 | ||
c5aa993b | 1432 | if (*p & (mask >> i)) |
30a25466 | 1433 | b = '1'; |
c5aa993b | 1434 | else |
30a25466 | 1435 | b = '0'; |
c5aa993b | 1436 | |
30a25466 | 1437 | if (zero_pad || seen_a_one || b == '1') |
a11ac3b3 | 1438 | gdb_putc (b, stream); |
21a527df EL |
1439 | else if (options->nibblesprint) |
1440 | { | |
1441 | if ((0xf0 & (mask >> i) && (*p & 0xf0)) | |
1442 | || (0x0f & (mask >> i) && (*p & 0x0f))) | |
1443 | gdb_putc (b, stream); | |
1444 | } | |
1445 | ||
30a25466 TT |
1446 | if (b == '1') |
1447 | seen_a_one = true; | |
c5aa993b | 1448 | } |
c906108c SS |
1449 | } |
1450 | } | |
1451 | else | |
1452 | { | |
1453 | for (p = valaddr + len - 1; | |
1454 | p >= valaddr; | |
1455 | p--) | |
1456 | { | |
d3abe1c8 | 1457 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b | 1458 | { |
21a527df EL |
1459 | if (options->nibblesprint && seen_a_one && i % 4 == 0) |
1460 | gdb_putc (*digit_separator, stream); | |
1461 | ||
c5aa993b | 1462 | if (*p & (mask >> i)) |
30a25466 | 1463 | b = '1'; |
c5aa993b | 1464 | else |
30a25466 | 1465 | b = '0'; |
c5aa993b | 1466 | |
30a25466 | 1467 | if (zero_pad || seen_a_one || b == '1') |
a11ac3b3 | 1468 | gdb_putc (b, stream); |
21a527df EL |
1469 | else if (options->nibblesprint) |
1470 | { | |
1471 | if ((0xf0 & (mask >> i) && (*p & 0xf0)) | |
1472 | || (0x0f & (mask >> i) && (*p & 0x0f))) | |
1473 | gdb_putc (b, stream); | |
1474 | } | |
1475 | ||
30a25466 TT |
1476 | if (b == '1') |
1477 | seen_a_one = true; | |
c5aa993b | 1478 | } |
c906108c SS |
1479 | } |
1480 | } | |
30a25466 TT |
1481 | |
1482 | /* When not zero-padding, ensure that something is printed when the | |
1483 | input is 0. */ | |
1484 | if (!zero_pad && !seen_a_one) | |
a11ac3b3 | 1485 | gdb_putc ('0', stream); |
30a25466 TT |
1486 | } |
1487 | ||
1488 | /* A helper for print_octal_chars that emits a single octal digit, | |
1489 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1490 | ||
1491 | static void | |
1492 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1493 | { | |
1494 | if (*seen_a_one || digit != 0) | |
6cb06a8c | 1495 | gdb_printf (stream, "%o", digit); |
30a25466 TT |
1496 | if (digit != 0) |
1497 | *seen_a_one = true; | |
c906108c SS |
1498 | } |
1499 | ||
1500 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1501 | Print it in octal on stream or format it in buf. */ |
1502 | ||
c906108c | 1503 | void |
fc1a4b47 | 1504 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1505 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1506 | { |
fc1a4b47 | 1507 | const gdb_byte *p; |
c906108c | 1508 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1509 | int cycle; |
1510 | ||
c906108c SS |
1511 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1512 | * the extra bits, which cycle every three bytes: | |
1513 | * | |
1514 | * Byte side: 0 1 2 3 | |
1515 | * | | | | | |
1516 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1517 | * | |
1518 | * Octal side: 0 1 carry 3 4 carry ... | |
1519 | * | |
1520 | * Cycle number: 0 1 2 | |
1521 | * | |
1522 | * But of course we are printing from the high side, so we have to | |
1523 | * figure out where in the cycle we are so that we end up with no | |
1524 | * left over bits at the end. | |
1525 | */ | |
1526 | #define BITS_IN_OCTAL 3 | |
1527 | #define HIGH_ZERO 0340 | |
d6382fff | 1528 | #define LOW_ZERO 0034 |
c906108c | 1529 | #define CARRY_ZERO 0003 |
d6382fff TT |
1530 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1531 | "cycle zero constants are wrong"); | |
c906108c SS |
1532 | #define HIGH_ONE 0200 |
1533 | #define MID_ONE 0160 | |
1534 | #define LOW_ONE 0016 | |
1535 | #define CARRY_ONE 0001 | |
d6382fff TT |
1536 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1537 | "cycle one constants are wrong"); | |
c906108c SS |
1538 | #define HIGH_TWO 0300 |
1539 | #define MID_TWO 0070 | |
1540 | #define LOW_TWO 0007 | |
d6382fff TT |
1541 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1542 | "cycle two constants are wrong"); | |
c906108c SS |
1543 | |
1544 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1545 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1546 | ||
d3abe1c8 | 1547 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1548 | carry = 0; |
c5aa993b | 1549 | |
0426ad51 | 1550 | gdb_puts ("0", stream); |
30a25466 | 1551 | bool seen_a_one = false; |
d44e8473 | 1552 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1553 | { |
1554 | for (p = valaddr; | |
1555 | p < valaddr + len; | |
1556 | p++) | |
1557 | { | |
c5aa993b JM |
1558 | switch (cycle) |
1559 | { | |
1560 | case 0: | |
581e13c1 MS |
1561 | /* No carry in, carry out two bits. */ |
1562 | ||
c5aa993b JM |
1563 | octa1 = (HIGH_ZERO & *p) >> 5; |
1564 | octa2 = (LOW_ZERO & *p) >> 2; | |
1565 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1566 | emit_octal_digit (stream, &seen_a_one, octa1); |
1567 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1568 | break; |
1569 | ||
1570 | case 1: | |
581e13c1 MS |
1571 | /* Carry in two bits, carry out one bit. */ |
1572 | ||
c5aa993b JM |
1573 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1574 | octa2 = (MID_ONE & *p) >> 4; | |
1575 | octa3 = (LOW_ONE & *p) >> 1; | |
1576 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1577 | emit_octal_digit (stream, &seen_a_one, octa1); |
1578 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1579 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1580 | break; |
1581 | ||
1582 | case 2: | |
581e13c1 MS |
1583 | /* Carry in one bit, no carry out. */ |
1584 | ||
c5aa993b JM |
1585 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1586 | octa2 = (MID_TWO & *p) >> 3; | |
1587 | octa3 = (LOW_TWO & *p); | |
1588 | carry = 0; | |
30a25466 TT |
1589 | emit_octal_digit (stream, &seen_a_one, octa1); |
1590 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1591 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1592 | break; |
1593 | ||
1594 | default: | |
8a3fe4f8 | 1595 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1596 | } |
1597 | ||
1598 | cycle++; | |
1599 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1600 | } |
1601 | } | |
1602 | else | |
1603 | { | |
1604 | for (p = valaddr + len - 1; | |
1605 | p >= valaddr; | |
1606 | p--) | |
1607 | { | |
c5aa993b JM |
1608 | switch (cycle) |
1609 | { | |
1610 | case 0: | |
1611 | /* Carry out, no carry in */ | |
581e13c1 | 1612 | |
c5aa993b JM |
1613 | octa1 = (HIGH_ZERO & *p) >> 5; |
1614 | octa2 = (LOW_ZERO & *p) >> 2; | |
1615 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1616 | emit_octal_digit (stream, &seen_a_one, octa1); |
1617 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1618 | break; |
1619 | ||
1620 | case 1: | |
1621 | /* Carry in, carry out */ | |
581e13c1 | 1622 | |
c5aa993b JM |
1623 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1624 | octa2 = (MID_ONE & *p) >> 4; | |
1625 | octa3 = (LOW_ONE & *p) >> 1; | |
1626 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1627 | emit_octal_digit (stream, &seen_a_one, octa1); |
1628 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1629 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1630 | break; |
1631 | ||
1632 | case 2: | |
1633 | /* Carry in, no carry out */ | |
581e13c1 | 1634 | |
c5aa993b JM |
1635 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1636 | octa2 = (MID_TWO & *p) >> 3; | |
1637 | octa3 = (LOW_TWO & *p); | |
1638 | carry = 0; | |
30a25466 TT |
1639 | emit_octal_digit (stream, &seen_a_one, octa1); |
1640 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1641 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1642 | break; |
1643 | ||
1644 | default: | |
8a3fe4f8 | 1645 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1646 | } |
1647 | ||
1648 | cycle++; | |
1649 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1650 | } |
1651 | } | |
1652 | ||
c906108c SS |
1653 | } |
1654 | ||
4ac0cb1c TT |
1655 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1656 | bytes in the specified byte order. If the integer is negative, | |
1657 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1658 | nothing and return false. */ | |
1659 | ||
1660 | static bool | |
1661 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1662 | enum bfd_endian byte_order, | |
d5722aa2 | 1663 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1664 | { |
1665 | gdb_byte sign_byte; | |
eb77c9df | 1666 | gdb_assert (len > 0); |
4ac0cb1c TT |
1667 | if (byte_order == BFD_ENDIAN_BIG) |
1668 | sign_byte = bytes[0]; | |
1669 | else | |
1670 | sign_byte = bytes[len - 1]; | |
1671 | if ((sign_byte & 0x80) == 0) | |
1672 | return false; | |
1673 | ||
1674 | out_vec->resize (len); | |
1675 | ||
1676 | /* Compute -x == 1 + ~x. */ | |
1677 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1678 | { | |
1679 | unsigned carry = 1; | |
1680 | for (unsigned i = 0; i < len; ++i) | |
1681 | { | |
1682 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1683 | (*out_vec)[i] = tem & 0xff; | |
1684 | carry = tem / 256; | |
1685 | } | |
1686 | } | |
1687 | else | |
1688 | { | |
1689 | unsigned carry = 1; | |
1690 | for (unsigned i = len; i > 0; --i) | |
1691 | { | |
1692 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1693 | (*out_vec)[i - 1] = tem & 0xff; | |
1694 | carry = tem / 256; | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | return true; | |
1699 | } | |
1700 | ||
c906108c | 1701 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1702 | Print it in decimal on stream or format it in buf. */ |
1703 | ||
c906108c | 1704 | void |
fc1a4b47 | 1705 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1706 | unsigned len, bool is_signed, |
1707 | enum bfd_endian byte_order) | |
c906108c SS |
1708 | { |
1709 | #define TEN 10 | |
c5aa993b | 1710 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1711 | #define CARRY_LEFT( x ) ((x) % TEN) |
1712 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1713 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1714 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1715 | ||
fc1a4b47 | 1716 | const gdb_byte *p; |
c5aa993b JM |
1717 | int carry; |
1718 | int decimal_len; | |
1719 | int i, j, decimal_digits; | |
1720 | int dummy; | |
1721 | int flip; | |
1722 | ||
d5722aa2 | 1723 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1724 | if (is_signed |
1725 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1726 | { | |
0426ad51 | 1727 | gdb_puts ("-", stream); |
4ac0cb1c TT |
1728 | valaddr = negated_bytes.data (); |
1729 | } | |
1730 | ||
c906108c | 1731 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1732 | as the base 16 number, which is 2 digits per byte. */ |
1733 | ||
c906108c | 1734 | decimal_len = len * 2 * 2; |
30a25466 | 1735 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1736 | |
c906108c SS |
1737 | /* Ok, we have an unknown number of bytes of data to be printed in |
1738 | * decimal. | |
1739 | * | |
1740 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1741 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1742 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1743 | * | |
1744 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1745 | * the individual digits are > 10. |
c906108c SS |
1746 | * |
1747 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1748 | * LSD end. | |
1749 | */ | |
c5aa993b | 1750 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1751 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1752 | flip = 0; |
d44e8473 | 1753 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1754 | { |
c906108c SS |
1755 | /* |
1756 | * Multiply current base-ten number by 16 in place. | |
1757 | * Each digit was between 0 and 9, now is between | |
1758 | * 0 and 144. | |
1759 | */ | |
c5aa993b JM |
1760 | for (j = 0; j < decimal_digits; j++) |
1761 | { | |
1762 | digits[j] = SHIFT (digits[j]); | |
1763 | } | |
1764 | ||
c906108c SS |
1765 | /* Take the next nibble off the input and add it to what |
1766 | * we've got in the LSB position. Bottom 'digit' is now | |
1767 | * between 0 and 159. | |
1768 | * | |
1769 | * "flip" is used to run this loop twice for each byte. | |
1770 | */ | |
c5aa993b JM |
1771 | if (flip == 0) |
1772 | { | |
581e13c1 MS |
1773 | /* Take top nibble. */ |
1774 | ||
c5aa993b JM |
1775 | digits[0] += HIGH_NIBBLE (*p); |
1776 | flip = 1; | |
1777 | } | |
1778 | else | |
1779 | { | |
581e13c1 MS |
1780 | /* Take low nibble and bump our pointer "p". */ |
1781 | ||
c5aa993b | 1782 | digits[0] += LOW_NIBBLE (*p); |
dda83cd7 | 1783 | if (byte_order == BFD_ENDIAN_BIG) |
d44e8473 MD |
1784 | p++; |
1785 | else | |
1786 | p--; | |
c5aa993b JM |
1787 | flip = 0; |
1788 | } | |
c906108c SS |
1789 | |
1790 | /* Re-decimalize. We have to do this often enough | |
1791 | * that we don't overflow, but once per nibble is | |
1792 | * overkill. Easier this way, though. Note that the | |
1793 | * carry is often larger than 10 (e.g. max initial | |
1794 | * carry out of lowest nibble is 15, could bubble all | |
1795 | * the way up greater than 10). So we have to do | |
1796 | * the carrying beyond the last current digit. | |
1797 | */ | |
1798 | carry = 0; | |
c5aa993b JM |
1799 | for (j = 0; j < decimal_len - 1; j++) |
1800 | { | |
1801 | digits[j] += carry; | |
1802 | ||
1803 | /* "/" won't handle an unsigned char with | |
1804 | * a value that if signed would be negative. | |
1805 | * So extend to longword int via "dummy". | |
1806 | */ | |
1807 | dummy = digits[j]; | |
1808 | carry = CARRY_OUT (dummy); | |
1809 | digits[j] = CARRY_LEFT (dummy); | |
1810 | ||
1811 | if (j >= decimal_digits && carry == 0) | |
1812 | { | |
1813 | /* | |
1814 | * All higher digits are 0 and we | |
1815 | * no longer have a carry. | |
1816 | * | |
1817 | * Note: "j" is 0-based, "decimal_digits" is | |
1818 | * 1-based. | |
1819 | */ | |
1820 | decimal_digits = j + 1; | |
1821 | break; | |
1822 | } | |
1823 | } | |
1824 | } | |
c906108c SS |
1825 | |
1826 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1827 | the "decimal_digits" actual digits. Print! */ |
1828 | ||
30a25466 TT |
1829 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1830 | ; | |
1831 | ||
1832 | for (; i >= 0; i--) | |
c5aa993b | 1833 | { |
6cb06a8c | 1834 | gdb_printf (stream, "%1d", digits[i]); |
c5aa993b | 1835 | } |
c906108c SS |
1836 | } |
1837 | ||
1838 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1839 | ||
6b9acc27 | 1840 | void |
fc1a4b47 | 1841 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1842 | unsigned len, enum bfd_endian byte_order, |
1843 | bool zero_pad) | |
c906108c | 1844 | { |
fc1a4b47 | 1845 | const gdb_byte *p; |
c906108c | 1846 | |
0426ad51 | 1847 | gdb_puts ("0x", stream); |
d44e8473 | 1848 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1849 | { |
30a25466 TT |
1850 | p = valaddr; |
1851 | ||
1852 | if (!zero_pad) | |
1853 | { | |
1854 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1855 | single byte at the end. */ | |
1856 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1857 | ; | |
1858 | } | |
1859 | ||
1860 | const gdb_byte *first = p; | |
1861 | for (; | |
c906108c SS |
1862 | p < valaddr + len; |
1863 | p++) | |
1864 | { | |
30a25466 TT |
1865 | /* When not zero-padding, use a different format for the |
1866 | very first byte printed. */ | |
1867 | if (!zero_pad && p == first) | |
6cb06a8c | 1868 | gdb_printf (stream, "%x", *p); |
30a25466 | 1869 | else |
6cb06a8c | 1870 | gdb_printf (stream, "%02x", *p); |
c906108c SS |
1871 | } |
1872 | } | |
1873 | else | |
1874 | { | |
30a25466 TT |
1875 | p = valaddr + len - 1; |
1876 | ||
1877 | if (!zero_pad) | |
1878 | { | |
1879 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1880 | single byte at the end. */ | |
1881 | for (; p >= valaddr + 1 && !*p; --p) | |
1882 | ; | |
1883 | } | |
1884 | ||
1885 | const gdb_byte *first = p; | |
1886 | for (; | |
c906108c SS |
1887 | p >= valaddr; |
1888 | p--) | |
1889 | { | |
30a25466 TT |
1890 | /* When not zero-padding, use a different format for the |
1891 | very first byte printed. */ | |
1892 | if (!zero_pad && p == first) | |
6cb06a8c | 1893 | gdb_printf (stream, "%x", *p); |
30a25466 | 1894 | else |
6cb06a8c | 1895 | gdb_printf (stream, "%02x", *p); |
c906108c SS |
1896 | } |
1897 | } | |
c906108c SS |
1898 | } |
1899 | ||
132c57b4 TT |
1900 | /* Print function pointer with inferior address ADDRESS onto stdio |
1901 | stream STREAM. */ | |
1902 | ||
1903 | void | |
edf0c1b7 TT |
1904 | print_function_pointer_address (const struct value_print_options *options, |
1905 | struct gdbarch *gdbarch, | |
132c57b4 | 1906 | CORE_ADDR address, |
edf0c1b7 | 1907 | struct ui_file *stream) |
132c57b4 | 1908 | { |
328d42d8 SM |
1909 | CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr |
1910 | (gdbarch, address, current_inferior ()->top_target ()); | |
132c57b4 TT |
1911 | |
1912 | /* If the function pointer is represented by a description, print | |
1913 | the address of the description. */ | |
edf0c1b7 | 1914 | if (options->addressprint && func_addr != address) |
132c57b4 | 1915 | { |
0426ad51 TT |
1916 | gdb_puts ("@", stream); |
1917 | gdb_puts (paddress (gdbarch, address), stream); | |
1918 | gdb_puts (": ", stream); | |
132c57b4 | 1919 | } |
edf0c1b7 | 1920 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1921 | } |
1922 | ||
1923 | ||
79a45b7d | 1924 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1925 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1926 | ||
1927 | void | |
1928 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
dda83cd7 | 1929 | struct ui_file *stream, |
79a45b7d | 1930 | const struct value_print_options *options) |
e79af960 | 1931 | { |
79a45b7d | 1932 | if (!options->print_array_indexes) |
e79af960 | 1933 | return; |
e74b39de AB |
1934 | |
1935 | current_language->print_array_index (index_type, index, stream, options); | |
79a45b7d | 1936 | } |
e79af960 | 1937 | |
d121c6ce TT |
1938 | /* See valprint.h. */ |
1939 | ||
1940 | void | |
1941 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
1942 | int recurse, | |
1943 | const struct value_print_options *options, | |
1944 | unsigned int i) | |
1945 | { | |
1946 | unsigned int things_printed = 0; | |
1947 | unsigned len; | |
53a47a3e | 1948 | struct type *elttype, *index_type; |
d121c6ce TT |
1949 | /* Position of the array element we are examining to see |
1950 | whether it is repeated. */ | |
1951 | unsigned int rep1; | |
1952 | /* Number of repetitions we have detected so far. */ | |
1953 | unsigned int reps; | |
1954 | LONGEST low_bound, high_bound; | |
d121c6ce | 1955 | |
d0c97917 | 1956 | struct type *type = check_typedef (val->type ()); |
d121c6ce | 1957 | |
27710edb | 1958 | elttype = type->target_type (); |
e379f652 TT |
1959 | unsigned bit_stride = type->bit_stride (); |
1960 | if (bit_stride == 0) | |
1961 | bit_stride = 8 * check_typedef (elttype)->length (); | |
3d967001 | 1962 | index_type = type->index_type (); |
53a47a3e | 1963 | if (index_type->code () == TYPE_CODE_RANGE) |
27710edb | 1964 | index_type = index_type->target_type (); |
d121c6ce TT |
1965 | |
1966 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
1967 | { | |
53a47a3e | 1968 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + |
dda83cd7 SM |
1969 | 1. But we have to be a little extra careful, because some |
1970 | languages such as Ada allow LOW_BOUND to be greater than | |
1971 | HIGH_BOUND for empty arrays. In that situation, the array | |
1972 | length is just zero, not negative! */ | |
53a47a3e | 1973 | if (low_bound > high_bound) |
d121c6ce TT |
1974 | len = 0; |
1975 | else | |
53a47a3e | 1976 | len = high_bound - low_bound + 1; |
d121c6ce TT |
1977 | } |
1978 | else | |
1979 | { | |
1980 | warning (_("unable to get bounds of array, assuming null array")); | |
1981 | low_bound = 0; | |
1982 | len = 0; | |
1983 | } | |
1984 | ||
1985 | annotate_array_section_begin (i, elttype); | |
1986 | ||
1987 | for (; i < len && things_printed < options->print_max; i++) | |
1988 | { | |
1989 | scoped_value_mark free_values; | |
1990 | ||
1991 | if (i != 0) | |
1992 | { | |
1993 | if (options->prettyformat_arrays) | |
1994 | { | |
6cb06a8c | 1995 | gdb_printf (stream, ",\n"); |
d0b1020b | 1996 | print_spaces (2 + 2 * recurse, stream); |
d121c6ce TT |
1997 | } |
1998 | else | |
6cb06a8c | 1999 | gdb_printf (stream, ", "); |
d121c6ce | 2000 | } |
d642b692 HD |
2001 | else if (options->prettyformat_arrays) |
2002 | { | |
6cb06a8c | 2003 | gdb_printf (stream, "\n"); |
d0b1020b | 2004 | print_spaces (2 + 2 * recurse, stream); |
d642b692 | 2005 | } |
1285ce86 | 2006 | stream->wrap_here (2 + 2 * recurse); |
d121c6ce | 2007 | maybe_print_array_index (index_type, i + low_bound, |
dda83cd7 | 2008 | stream, options); |
d121c6ce | 2009 | |
6c49729e TT |
2010 | struct value *element = val->from_component_bitsize (elttype, |
2011 | bit_stride * i, | |
2012 | bit_stride); | |
d121c6ce TT |
2013 | rep1 = i + 1; |
2014 | reps = 1; | |
2015 | /* Only check for reps if repeat_count_threshold is not set to | |
2016 | UINT_MAX (unlimited). */ | |
2017 | if (options->repeat_count_threshold < UINT_MAX) | |
2018 | { | |
d00664db TT |
2019 | bool unavailable = element->entirely_unavailable (); |
2020 | bool available = element->entirely_available (); | |
a0c07915 | 2021 | |
e379f652 | 2022 | while (rep1 < len) |
d121c6ce | 2023 | { |
e379f652 | 2024 | struct value *rep_elt |
6c49729e TT |
2025 | = val->from_component_bitsize (elttype, |
2026 | rep1 * bit_stride, | |
2027 | bit_stride); | |
a0c07915 | 2028 | bool repeated = ((available |
d00664db | 2029 | && rep_elt->entirely_available () |
02744ba9 | 2030 | && element->contents_eq (rep_elt)) |
a0c07915 | 2031 | || (unavailable |
d00664db | 2032 | && rep_elt->entirely_unavailable ())); |
a0c07915 | 2033 | if (!repeated) |
e379f652 | 2034 | break; |
d121c6ce TT |
2035 | ++reps; |
2036 | ++rep1; | |
2037 | } | |
2038 | } | |
2039 | ||
d121c6ce TT |
2040 | common_val_print (element, stream, recurse + 1, options, |
2041 | current_language); | |
2042 | ||
2043 | if (reps > options->repeat_count_threshold) | |
2044 | { | |
2045 | annotate_elt_rep (reps); | |
6cb06a8c TT |
2046 | gdb_printf (stream, " %p[<repeats %u times>%p]", |
2047 | metadata_style.style ().ptr (), reps, nullptr); | |
d121c6ce TT |
2048 | annotate_elt_rep_end (); |
2049 | ||
2050 | i = rep1 - 1; | |
2051 | things_printed += options->repeat_count_threshold; | |
2052 | } | |
2053 | else | |
2054 | { | |
2055 | annotate_elt (); | |
2056 | things_printed++; | |
2057 | } | |
2058 | } | |
2059 | annotate_array_section_end (); | |
2060 | if (i < len) | |
6cb06a8c | 2061 | gdb_printf (stream, "..."); |
d642b692 HD |
2062 | if (options->prettyformat_arrays) |
2063 | { | |
6cb06a8c | 2064 | gdb_printf (stream, "\n"); |
d0b1020b | 2065 | print_spaces (2 * recurse, stream); |
d642b692 | 2066 | } |
d121c6ce TT |
2067 | } |
2068 | ||
3b2b8fea TT |
2069 | /* Return true if print_wchar can display W without resorting to a |
2070 | numeric escape, false otherwise. */ | |
2071 | ||
2072 | static int | |
2073 | wchar_printable (gdb_wchar_t w) | |
2074 | { | |
2075 | return (gdb_iswprint (w) | |
2076 | || w == LCST ('\a') || w == LCST ('\b') | |
2077 | || w == LCST ('\f') || w == LCST ('\n') | |
2078 | || w == LCST ('\r') || w == LCST ('\t') | |
2079 | || w == LCST ('\v')); | |
2080 | } | |
2081 | ||
2082 | /* A helper function that converts the contents of STRING to wide | |
2083 | characters and then appends them to OUTPUT. */ | |
2084 | ||
2085 | static void | |
2086 | append_string_as_wide (const char *string, | |
2087 | struct obstack *output) | |
2088 | { | |
2089 | for (; *string; ++string) | |
2090 | { | |
2091 | gdb_wchar_t w = gdb_btowc (*string); | |
2092 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2093 | } | |
2094 | } | |
2095 | ||
2096 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2097 | original (target) bytes representing the character, ORIG_LEN is the | |
2098 | number of valid bytes. WIDTH is the number of bytes in a base | |
2099 | characters of the type. OUTPUT is an obstack to which wide | |
2100 | characters are emitted. QUOTER is a (narrow) character indicating | |
2101 | the style of quotes surrounding the character to be printed. | |
2102 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2103 | escapes across calls. */ | |
2104 | ||
2105 | static void | |
2106 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2107 | int orig_len, int width, | |
2108 | enum bfd_endian byte_order, | |
2109 | struct obstack *output, | |
3a646338 | 2110 | int quoter, bool *need_escapep) |
3b2b8fea | 2111 | { |
3a646338 | 2112 | bool need_escape = *need_escapep; |
3b2b8fea | 2113 | |
3a646338 | 2114 | *need_escapep = false; |
3b2b8fea | 2115 | |
05328f91 TT |
2116 | /* If any additional cases are added to this switch block, then the |
2117 | function wchar_printable will likely need updating too. */ | |
95c64f92 | 2118 | switch (w) |
3b2b8fea | 2119 | { |
95c64f92 YQ |
2120 | case LCST ('\a'): |
2121 | obstack_grow_wstr (output, LCST ("\\a")); | |
2122 | break; | |
2123 | case LCST ('\b'): | |
2124 | obstack_grow_wstr (output, LCST ("\\b")); | |
2125 | break; | |
2126 | case LCST ('\f'): | |
2127 | obstack_grow_wstr (output, LCST ("\\f")); | |
2128 | break; | |
2129 | case LCST ('\n'): | |
2130 | obstack_grow_wstr (output, LCST ("\\n")); | |
2131 | break; | |
2132 | case LCST ('\r'): | |
2133 | obstack_grow_wstr (output, LCST ("\\r")); | |
2134 | break; | |
2135 | case LCST ('\t'): | |
2136 | obstack_grow_wstr (output, LCST ("\\t")); | |
2137 | break; | |
2138 | case LCST ('\v'): | |
2139 | obstack_grow_wstr (output, LCST ("\\v")); | |
2140 | break; | |
2141 | default: | |
3b2b8fea | 2142 | { |
3041b931 | 2143 | if (gdb_iswprint (w) && !(need_escape && gdb_iswxdigit (w))) |
95c64f92 YQ |
2144 | { |
2145 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2146 | |
95c64f92 YQ |
2147 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2148 | obstack_grow_wstr (output, LCST ("\\")); | |
2149 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2150 | } | |
2151 | else | |
2152 | { | |
2153 | int i; | |
3b2b8fea | 2154 | |
95c64f92 YQ |
2155 | for (i = 0; i + width <= orig_len; i += width) |
2156 | { | |
2157 | char octal[30]; | |
2158 | ULONGEST value; | |
2159 | ||
2160 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2161 | byte_order); |
95c64f92 YQ |
2162 | /* If the value fits in 3 octal digits, print it that |
2163 | way. Otherwise, print it as a hex escape. */ | |
2164 | if (value <= 0777) | |
3041b931 TT |
2165 | { |
2166 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2167 | (int) (value & 0777)); | |
2168 | *need_escapep = false; | |
2169 | } | |
95c64f92 | 2170 | else |
3041b931 TT |
2171 | { |
2172 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2173 | /* A hex escape might require the next character | |
2174 | to be escaped, because, unlike with octal, | |
2175 | hex escapes have no length limit. */ | |
2176 | *need_escapep = true; | |
2177 | } | |
95c64f92 YQ |
2178 | append_string_as_wide (octal, output); |
2179 | } | |
2180 | /* If we somehow have extra bytes, print them now. */ | |
2181 | while (i < orig_len) | |
2182 | { | |
2183 | char octal[5]; | |
2184 | ||
2185 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
3041b931 | 2186 | *need_escapep = false; |
95c64f92 YQ |
2187 | append_string_as_wide (octal, output); |
2188 | ++i; | |
2189 | } | |
95c64f92 | 2190 | } |
3b2b8fea TT |
2191 | break; |
2192 | } | |
2193 | } | |
2194 | } | |
2195 | ||
2196 | /* Print the character C on STREAM as part of the contents of a | |
2197 | literal string whose delimiter is QUOTER. ENCODING names the | |
2198 | encoding of C. */ | |
2199 | ||
2200 | void | |
2201 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2202 | int quoter, const char *encoding) | |
2203 | { | |
2204 | enum bfd_endian byte_order | |
34877895 | 2205 | = type_byte_order (type); |
b926417a | 2206 | gdb_byte *c_buf; |
3a646338 | 2207 | bool need_escape = false; |
3b2b8fea | 2208 | |
df86565b | 2209 | c_buf = (gdb_byte *) alloca (type->length ()); |
b926417a | 2210 | pack_long (c_buf, type, c); |
3b2b8fea | 2211 | |
df86565b | 2212 | wchar_iterator iter (c_buf, type->length (), encoding, type->length ()); |
3b2b8fea TT |
2213 | |
2214 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2215 | auto_obstack wchar_buf; |
3b2b8fea TT |
2216 | |
2217 | while (1) | |
2218 | { | |
2219 | int num_chars; | |
2220 | gdb_wchar_t *chars; | |
2221 | const gdb_byte *buf; | |
2222 | size_t buflen; | |
2223 | int print_escape = 1; | |
2224 | enum wchar_iterate_result result; | |
2225 | ||
cda6c55b | 2226 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2227 | if (num_chars < 0) |
2228 | break; | |
2229 | if (num_chars > 0) | |
2230 | { | |
2231 | /* If all characters are printable, print them. Otherwise, | |
2232 | we're going to have to print an escape sequence. We | |
2233 | check all characters because we want to print the target | |
2234 | bytes in the escape sequence, and we don't know character | |
2235 | boundaries there. */ | |
2236 | int i; | |
2237 | ||
2238 | print_escape = 0; | |
2239 | for (i = 0; i < num_chars; ++i) | |
2240 | if (!wchar_printable (chars[i])) | |
2241 | { | |
2242 | print_escape = 1; | |
2243 | break; | |
2244 | } | |
2245 | ||
2246 | if (!print_escape) | |
2247 | { | |
2248 | for (i = 0; i < num_chars; ++i) | |
2249 | print_wchar (chars[i], buf, buflen, | |
df86565b | 2250 | type->length (), byte_order, |
3b2b8fea TT |
2251 | &wchar_buf, quoter, &need_escape); |
2252 | } | |
2253 | } | |
2254 | ||
2255 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2256 | if (print_escape) | |
df86565b | 2257 | print_wchar (gdb_WEOF, buf, buflen, type->length (), |
3b2b8fea TT |
2258 | byte_order, &wchar_buf, quoter, &need_escape); |
2259 | } | |
2260 | ||
2261 | /* The output in the host encoding. */ | |
8268c778 | 2262 | auto_obstack output; |
3b2b8fea TT |
2263 | |
2264 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2265 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2266 | obstack_object_size (&wchar_buf), |
fff10684 | 2267 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2268 | obstack_1grow (&output, '\0'); |
2269 | ||
0426ad51 | 2270 | gdb_puts ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2271 | } |
2272 | ||
0d63ecda KS |
2273 | /* Return the repeat count of the next character/byte in ITER, |
2274 | storing the result in VEC. */ | |
2275 | ||
2276 | static int | |
cda6c55b | 2277 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2278 | std::vector<converted_character> *vec) |
0d63ecda KS |
2279 | { |
2280 | struct converted_character *current; | |
2281 | ||
b01ba14d | 2282 | if (vec->empty ()) |
0d63ecda KS |
2283 | { |
2284 | struct converted_character tmp; | |
2285 | gdb_wchar_t *chars; | |
2286 | ||
2287 | tmp.num_chars | |
cda6c55b | 2288 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2289 | if (tmp.num_chars > 0) |
2290 | { | |
2291 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2292 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2293 | } | |
b01ba14d | 2294 | vec->push_back (tmp); |
0d63ecda KS |
2295 | } |
2296 | ||
b01ba14d | 2297 | current = &vec->back (); |
0d63ecda KS |
2298 | |
2299 | /* Count repeated characters or bytes. */ | |
2300 | current->repeat_count = 1; | |
2301 | if (current->num_chars == -1) | |
2302 | { | |
2303 | /* EOF */ | |
2304 | return -1; | |
2305 | } | |
2306 | else | |
2307 | { | |
2308 | gdb_wchar_t *chars; | |
2309 | struct converted_character d; | |
2310 | int repeat; | |
2311 | ||
2312 | d.repeat_count = 0; | |
2313 | ||
2314 | while (1) | |
2315 | { | |
2316 | /* Get the next character. */ | |
cda6c55b | 2317 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2318 | |
2319 | /* If a character was successfully converted, save the character | |
2320 | into the converted character. */ | |
2321 | if (d.num_chars > 0) | |
2322 | { | |
2323 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2324 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2325 | } | |
2326 | ||
2327 | /* Determine if the current character is the same as this | |
2328 | new character. */ | |
2329 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2330 | { | |
2331 | /* There are two cases to consider: | |
2332 | ||
2333 | 1) Equality of converted character (num_chars > 0) | |
2334 | 2) Equality of non-converted character (num_chars == 0) */ | |
2335 | if ((current->num_chars > 0 | |
2336 | && memcmp (current->chars, d.chars, | |
2337 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2338 | || (current->num_chars == 0 | |
2339 | && current->buflen == d.buflen | |
2340 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2341 | ++current->repeat_count; | |
2342 | else | |
2343 | break; | |
2344 | } | |
2345 | else | |
2346 | break; | |
2347 | } | |
2348 | ||
2349 | /* Push this next converted character onto the result vector. */ | |
2350 | repeat = current->repeat_count; | |
b01ba14d | 2351 | vec->push_back (d); |
0d63ecda KS |
2352 | return repeat; |
2353 | } | |
2354 | } | |
2355 | ||
2356 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2357 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2358 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2359 | is the user's print options. */ |
2360 | ||
2361 | static void | |
2362 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2363 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2364 | int quote_char, int width, |
2365 | enum bfd_endian byte_order, | |
2366 | const struct value_print_options *options) | |
2367 | { | |
2368 | unsigned int idx; | |
b01ba14d | 2369 | const converted_character *elem; |
0d63ecda KS |
2370 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2371 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
3a646338 | 2372 | bool need_escape = false; |
0d63ecda KS |
2373 | |
2374 | /* Set the start state. */ | |
2375 | idx = 0; | |
2376 | last = state = START; | |
2377 | elem = NULL; | |
2378 | ||
2379 | while (1) | |
2380 | { | |
2381 | switch (state) | |
2382 | { | |
2383 | case START: | |
2384 | /* Nothing to do. */ | |
2385 | break; | |
2386 | ||
2387 | case SINGLE: | |
2388 | { | |
2389 | int j; | |
2390 | ||
2391 | /* We are outputting a single character | |
2392 | (< options->repeat_count_threshold). */ | |
2393 | ||
2394 | if (last != SINGLE) | |
2395 | { | |
2396 | /* We were outputting some other type of content, so we | |
2397 | must output and a comma and a quote. */ | |
2398 | if (last != START) | |
2399 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2400 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2401 | } | |
2402 | /* Output the character. */ | |
2403 | for (j = 0; j < elem->repeat_count; ++j) | |
2404 | { | |
2405 | if (elem->result == wchar_iterate_ok) | |
2406 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2407 | byte_order, obstack, quote_char, &need_escape); | |
2408 | else | |
2409 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2410 | byte_order, obstack, quote_char, &need_escape); | |
2411 | } | |
2412 | } | |
2413 | break; | |
2414 | ||
2415 | case REPEAT: | |
2416 | { | |
2417 | int j; | |
0d63ecda KS |
2418 | |
2419 | /* We are outputting a character with a repeat count | |
2420 | greater than options->repeat_count_threshold. */ | |
2421 | ||
2422 | if (last == SINGLE) | |
2423 | { | |
2424 | /* We were outputting a single string. Terminate the | |
2425 | string. */ | |
0d63ecda KS |
2426 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2427 | } | |
2428 | if (last != START) | |
2429 | obstack_grow_wstr (obstack, LCST (", ")); | |
2430 | ||
2431 | /* Output the character and repeat string. */ | |
2432 | obstack_grow_wstr (obstack, LCST ("'")); | |
2433 | if (elem->result == wchar_iterate_ok) | |
2434 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2435 | byte_order, obstack, quote_char, &need_escape); | |
2436 | else | |
2437 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2438 | byte_order, obstack, quote_char, &need_escape); | |
2439 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2440 | std::string s = string_printf (_(" <repeats %u times>"), |
2441 | elem->repeat_count); | |
0d63ecda KS |
2442 | for (j = 0; s[j]; ++j) |
2443 | { | |
2444 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2445 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2446 | } | |
0d63ecda KS |
2447 | } |
2448 | break; | |
2449 | ||
2450 | case INCOMPLETE: | |
2451 | /* We are outputting an incomplete sequence. */ | |
2452 | if (last == SINGLE) | |
2453 | { | |
2454 | /* If we were outputting a string of SINGLE characters, | |
2455 | terminate the quote. */ | |
0d63ecda KS |
2456 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2457 | } | |
2458 | if (last != START) | |
2459 | obstack_grow_wstr (obstack, LCST (", ")); | |
2460 | ||
2461 | /* Output the incomplete sequence string. */ | |
2462 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2463 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2464 | obstack, 0, &need_escape); | |
2465 | obstack_grow_wstr (obstack, LCST (">")); | |
2466 | ||
85102364 | 2467 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
2468 | state = FINISH; |
2469 | break; | |
2470 | ||
2471 | case FINISH: | |
2472 | /* All done. If we were outputting a string of SINGLE | |
2473 | characters, the string must be terminated. Otherwise, | |
2474 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2475 | if (last == SINGLE) | |
e93a8774 | 2476 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2477 | |
2478 | return; | |
2479 | } | |
2480 | ||
2481 | /* Get the next element and state. */ | |
2482 | last = state; | |
2483 | if (state != FINISH) | |
2484 | { | |
b01ba14d | 2485 | elem = &chars[idx++]; |
0d63ecda KS |
2486 | switch (elem->result) |
2487 | { | |
2488 | case wchar_iterate_ok: | |
2489 | case wchar_iterate_invalid: | |
2490 | if (elem->repeat_count > options->repeat_count_threshold) | |
2491 | state = REPEAT; | |
2492 | else | |
2493 | state = SINGLE; | |
2494 | break; | |
2495 | ||
2496 | case wchar_iterate_incomplete: | |
2497 | state = INCOMPLETE; | |
2498 | break; | |
2499 | ||
2500 | case wchar_iterate_eof: | |
2501 | state = FINISH; | |
2502 | break; | |
2503 | } | |
2504 | } | |
2505 | } | |
2506 | } | |
2507 | ||
3b2b8fea TT |
2508 | /* Print the character string STRING, printing at most LENGTH |
2509 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2510 | the type of each character. OPTIONS holds the printing options; | |
76b58849 AB |
2511 | printing stops early if the number hits print_max_chars; repeat |
2512 | counts are printed as appropriate. Print ellipses at the end if we | |
2513 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
3b2b8fea TT |
2514 | QUOTE_CHAR is the character to print at each end of the string. If |
2515 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2516 | omitted. */ | |
2517 | ||
2518 | void | |
2519 | generic_printstr (struct ui_file *stream, struct type *type, | |
2520 | const gdb_byte *string, unsigned int length, | |
2521 | const char *encoding, int force_ellipses, | |
2522 | int quote_char, int c_style_terminator, | |
2523 | const struct value_print_options *options) | |
2524 | { | |
34877895 | 2525 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 2526 | unsigned int i; |
df86565b | 2527 | int width = type->length (); |
3b2b8fea | 2528 | int finished = 0; |
0d63ecda | 2529 | struct converted_character *last; |
3b2b8fea TT |
2530 | |
2531 | if (length == -1) | |
2532 | { | |
2533 | unsigned long current_char = 1; | |
2534 | ||
2535 | for (i = 0; current_char; ++i) | |
2536 | { | |
2537 | QUIT; | |
2538 | current_char = extract_unsigned_integer (string + i * width, | |
2539 | width, byte_order); | |
2540 | } | |
2541 | length = i; | |
2542 | } | |
2543 | ||
2544 | /* If the string was not truncated due to `set print elements', and | |
2545 | the last byte of it is a null, we don't print that, in | |
2546 | traditional C style. */ | |
2547 | if (c_style_terminator | |
2548 | && !force_ellipses | |
2549 | && length > 0 | |
2550 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2551 | width, byte_order) == 0)) | |
2552 | length--; | |
2553 | ||
2554 | if (length == 0) | |
2555 | { | |
1be8435c | 2556 | gdb_printf (stream, "%c%c", quote_char, quote_char); |
3b2b8fea TT |
2557 | return; |
2558 | } | |
2559 | ||
2560 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2561 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2562 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2563 | |
0d63ecda KS |
2564 | /* Convert characters until the string is over or the maximum |
2565 | number of printed characters has been reached. */ | |
2566 | i = 0; | |
76b58849 AB |
2567 | unsigned int print_max_chars = get_print_max_chars (options); |
2568 | while (i < print_max_chars) | |
3b2b8fea | 2569 | { |
0d63ecda | 2570 | int r; |
3b2b8fea TT |
2571 | |
2572 | QUIT; | |
2573 | ||
0d63ecda | 2574 | /* Grab the next character and repeat count. */ |
cda6c55b | 2575 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2576 | |
0d63ecda KS |
2577 | /* If less than zero, the end of the input string was reached. */ |
2578 | if (r < 0) | |
2579 | break; | |
3b2b8fea | 2580 | |
0d63ecda KS |
2581 | /* Otherwise, add the count to the total print count and get |
2582 | the next character. */ | |
2583 | i += r; | |
2584 | } | |
3b2b8fea | 2585 | |
0d63ecda KS |
2586 | /* Get the last element and determine if the entire string was |
2587 | processed. */ | |
b01ba14d | 2588 | last = &converted_chars.back (); |
0d63ecda | 2589 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2590 | |
0d63ecda KS |
2591 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2592 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2593 | |
0d63ecda KS |
2594 | /* WCHAR_BUF is the obstack we use to represent the string in |
2595 | wchar_t form. */ | |
8268c778 | 2596 | auto_obstack wchar_buf; |
3b2b8fea | 2597 | |
0d63ecda KS |
2598 | /* Print the output string to the obstack. */ |
2599 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2600 | width, byte_order, options); | |
3b2b8fea TT |
2601 | |
2602 | if (force_ellipses || !finished) | |
2603 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2604 | ||
2605 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2606 | auto_obstack output; |
3b2b8fea TT |
2607 | |
2608 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2609 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2610 | obstack_object_size (&wchar_buf), |
fff10684 | 2611 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2612 | obstack_1grow (&output, '\0'); |
2613 | ||
0426ad51 | 2614 | gdb_puts ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2615 | } |
2616 | ||
ae6a3a4c TJB |
2617 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2618 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2619 | stops at the first null byte, otherwise printing proceeds (including null | |
76b58849 | 2620 | bytes) until either print_max_chars or LEN characters have been printed, |
09ca9e2e TT |
2621 | whichever is smaller. ENCODING is the name of the string's |
2622 | encoding. It can be NULL, in which case the target encoding is | |
2623 | assumed. */ | |
ae6a3a4c TJB |
2624 | |
2625 | int | |
09ca9e2e TT |
2626 | val_print_string (struct type *elttype, const char *encoding, |
2627 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2628 | struct ui_file *stream, |
ae6a3a4c TJB |
2629 | const struct value_print_options *options) |
2630 | { | |
2631 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2632 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2633 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2634 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2635 | int bytes_read; | |
b4be9fad | 2636 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
8ee511af | 2637 | struct gdbarch *gdbarch = elttype->arch (); |
34877895 | 2638 | enum bfd_endian byte_order = type_byte_order (elttype); |
df86565b | 2639 | int width = elttype->length (); |
ae6a3a4c TJB |
2640 | |
2641 | /* First we need to figure out the limit on the number of characters we are | |
76b58849 AB |
2642 | going to attempt to fetch and print. This is actually pretty simple. |
2643 | If LEN >= zero, then the limit is the minimum of LEN and print_max_chars. | |
2644 | If LEN is -1, then the limit is print_max_chars. This is true regardless | |
2645 | of whether print_max_chars is zero, UINT_MAX (unlimited), or something in | |
2646 | between, because finding the null byte (or available memory) is what | |
2647 | actually limits the fetch. */ | |
2648 | ||
2649 | unsigned int print_max_chars = get_print_max_chars (options); | |
2650 | fetchlimit = (len == -1 | |
2651 | ? print_max_chars | |
2652 | : std::min ((unsigned) len, print_max_chars)); | |
ae6a3a4c | 2653 | |
9da74023 | 2654 | err = target_read_string (addr, len, width, fetchlimit, |
3b1bdd53 | 2655 | &buffer, &bytes_read); |
ae6a3a4c TJB |
2656 | |
2657 | addr += bytes_read; | |
c906108c | 2658 | |
3e43a32a MS |
2659 | /* We now have either successfully filled the buffer to fetchlimit, |
2660 | or terminated early due to an error or finding a null char when | |
2661 | LEN is -1. */ | |
ae6a3a4c TJB |
2662 | |
2663 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2664 | found_nul = 0; |
2665 | if (bytes_read >= width) | |
b4be9fad TT |
2666 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2667 | width, byte_order) == 0; | |
c906108c SS |
2668 | if (len == -1 && !found_nul) |
2669 | { | |
777ea8f1 | 2670 | gdb_byte *peekbuf; |
c906108c | 2671 | |
ae6a3a4c | 2672 | /* We didn't find a NUL terminator we were looking for. Attempt |
dda83cd7 SM |
2673 | to peek at the next character. If not successful, or it is not |
2674 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2675 | |
777ea8f1 | 2676 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2677 | |
2678 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2679 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2680 | force_ellipsis = 1; |
2681 | } | |
d09f2c3f | 2682 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2683 | { |
2684 | /* Getting an error when we have a requested length, or fetching less | |
dda83cd7 SM |
2685 | than the number of characters actually requested, always make us |
2686 | print ellipsis. */ | |
c906108c SS |
2687 | force_ellipsis = 1; |
2688 | } | |
2689 | ||
c906108c SS |
2690 | /* If we get an error before fetching anything, don't print a string. |
2691 | But if we fetch something and then get an error, print the string | |
2692 | and then the error message. */ | |
d09f2c3f | 2693 | if (err == 0 || bytes_read > 0) |
660da3c1 TT |
2694 | current_language->printstr (stream, elttype, buffer.get (), |
2695 | bytes_read / width, | |
2696 | encoding, force_ellipsis, options); | |
c906108c | 2697 | |
d09f2c3f | 2698 | if (err != 0) |
c906108c | 2699 | { |
1ccbe998 | 2700 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 2701 | |
6cb06a8c TT |
2702 | gdb_printf (stream, _("<error: %ps>"), |
2703 | styled_string (metadata_style.style (), | |
2704 | str.c_str ())); | |
c906108c | 2705 | } |
ae6a3a4c | 2706 | |
ae6a3a4c | 2707 | return (bytes_read / width); |
c906108c | 2708 | } |
2e62ab40 AB |
2709 | |
2710 | /* Handle 'show print max-depth'. */ | |
2711 | ||
2712 | static void | |
2713 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2714 | struct cmd_list_element *c, const char *value) | |
2715 | { | |
6cb06a8c | 2716 | gdb_printf (file, _("Maximum print depth is %s.\n"), value); |
2e62ab40 | 2717 | } |
c906108c | 2718 | \f |
c5aa993b | 2719 | |
09e6485f PA |
2720 | /* The 'set input-radix' command writes to this auxiliary variable. |
2721 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2722 | it is left unchanged. */ | |
2723 | ||
2724 | static unsigned input_radix_1 = 10; | |
2725 | ||
c906108c SS |
2726 | /* Validate an input or output radix setting, and make sure the user |
2727 | knows what they really did here. Radix setting is confusing, e.g. | |
2728 | setting the input radix to "10" never changes it! */ | |
2729 | ||
c906108c | 2730 | static void |
eb4c3f4a | 2731 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2732 | { |
09e6485f | 2733 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2734 | } |
2735 | ||
c906108c | 2736 | static void |
fba45db2 | 2737 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2738 | { |
2739 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2740 | make any mathematical sense. In theory, we can deal with any input | |
2741 | radix greater than 1, even if we don't have unique digits for every | |
2742 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2743 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2744 | (FIXME). */ |
c906108c SS |
2745 | |
2746 | if (radix < 2) | |
2747 | { | |
09e6485f | 2748 | input_radix_1 = input_radix; |
8a3fe4f8 | 2749 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2750 | radix); |
2751 | } | |
09e6485f | 2752 | input_radix_1 = input_radix = radix; |
c906108c SS |
2753 | if (from_tty) |
2754 | { | |
6cb06a8c TT |
2755 | gdb_printf (_("Input radix now set to " |
2756 | "decimal %u, hex %x, octal %o.\n"), | |
2757 | radix, radix, radix); | |
c906108c SS |
2758 | } |
2759 | } | |
2760 | ||
09e6485f PA |
2761 | /* The 'set output-radix' command writes to this auxiliary variable. |
2762 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2763 | otherwise, it is left unchanged. */ | |
2764 | ||
2765 | static unsigned output_radix_1 = 10; | |
2766 | ||
c906108c | 2767 | static void |
eb4c3f4a | 2768 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2769 | { |
09e6485f | 2770 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2771 | } |
2772 | ||
2773 | static void | |
fba45db2 | 2774 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2775 | { |
2776 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2777 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2778 | switch (radix) |
2779 | { | |
2780 | case 16: | |
79a45b7d | 2781 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2782 | break; |
2783 | case 10: | |
79a45b7d | 2784 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2785 | break; |
2786 | case 8: | |
79a45b7d | 2787 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2788 | break; |
2789 | default: | |
09e6485f | 2790 | output_radix_1 = output_radix; |
3e43a32a MS |
2791 | error (_("Unsupported output radix ``decimal %u''; " |
2792 | "output radix unchanged."), | |
c906108c SS |
2793 | radix); |
2794 | } | |
09e6485f | 2795 | output_radix_1 = output_radix = radix; |
c906108c SS |
2796 | if (from_tty) |
2797 | { | |
6cb06a8c TT |
2798 | gdb_printf (_("Output radix now set to " |
2799 | "decimal %u, hex %x, octal %o.\n"), | |
2800 | radix, radix, radix); | |
c906108c SS |
2801 | } |
2802 | } | |
2803 | ||
2804 | /* Set both the input and output radix at once. Try to set the output radix | |
2805 | first, since it has the most restrictive range. An radix that is valid as | |
2806 | an output radix is also valid as an input radix. | |
2807 | ||
2808 | It may be useful to have an unusual input radix. If the user wishes to | |
2809 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2810 | the 'set input-radix' command. */ |
c906108c SS |
2811 | |
2812 | static void | |
b0a8e6c4 | 2813 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2814 | { |
2815 | unsigned radix; | |
2816 | ||
bb518678 | 2817 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2818 | set_output_radix_1 (0, radix); |
2819 | set_input_radix_1 (0, radix); | |
2820 | if (from_tty) | |
2821 | { | |
6cb06a8c TT |
2822 | gdb_printf (_("Input and output radices now set to " |
2823 | "decimal %u, hex %x, octal %o.\n"), | |
2824 | radix, radix, radix); | |
c906108c SS |
2825 | } |
2826 | } | |
2827 | ||
581e13c1 | 2828 | /* Show both the input and output radices. */ |
c906108c | 2829 | |
c906108c | 2830 | static void |
b0a8e6c4 | 2831 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2832 | { |
2833 | if (from_tty) | |
2834 | { | |
2835 | if (input_radix == output_radix) | |
2836 | { | |
6cb06a8c TT |
2837 | gdb_printf (_("Input and output radices set to " |
2838 | "decimal %u, hex %x, octal %o.\n"), | |
2839 | input_radix, input_radix, input_radix); | |
c906108c SS |
2840 | } |
2841 | else | |
2842 | { | |
6cb06a8c TT |
2843 | gdb_printf (_("Input radix set to decimal " |
2844 | "%u, hex %x, octal %o.\n"), | |
2845 | input_radix, input_radix, input_radix); | |
2846 | gdb_printf (_("Output radix set to decimal " | |
2847 | "%u, hex %x, octal %o.\n"), | |
2848 | output_radix, output_radix, output_radix); | |
c906108c SS |
2849 | } |
2850 | } | |
2851 | } | |
c906108c | 2852 | \f |
c5aa993b | 2853 | |
7d8062de PA |
2854 | /* Controls printing of vtbl's. */ |
2855 | static void | |
2856 | show_vtblprint (struct ui_file *file, int from_tty, | |
2857 | struct cmd_list_element *c, const char *value) | |
2858 | { | |
6cb06a8c | 2859 | gdb_printf (file, _("\ |
7d8062de | 2860 | Printing of C++ virtual function tables is %s.\n"), |
6cb06a8c | 2861 | value); |
7d8062de PA |
2862 | } |
2863 | ||
2864 | /* Controls looking up an object's derived type using what we find in | |
2865 | its vtables. */ | |
2866 | static void | |
2867 | show_objectprint (struct ui_file *file, int from_tty, | |
2868 | struct cmd_list_element *c, | |
2869 | const char *value) | |
2870 | { | |
6cb06a8c | 2871 | gdb_printf (file, _("\ |
7d8062de | 2872 | Printing of object's derived type based on vtable info is %s.\n"), |
6cb06a8c | 2873 | value); |
7d8062de PA |
2874 | } |
2875 | ||
2876 | static void | |
2877 | show_static_field_print (struct ui_file *file, int from_tty, | |
2878 | struct cmd_list_element *c, | |
2879 | const char *value) | |
2880 | { | |
6cb06a8c TT |
2881 | gdb_printf (file, |
2882 | _("Printing of C++ static members is %s.\n"), | |
2883 | value); | |
7d8062de PA |
2884 | } |
2885 | ||
c906108c | 2886 | \f |
7d8062de PA |
2887 | |
2888 | /* A couple typedefs to make writing the options a bit more | |
2889 | convenient. */ | |
2890 | using boolean_option_def | |
2891 | = gdb::option::boolean_option_def<value_print_options>; | |
2892 | using uinteger_option_def | |
2893 | = gdb::option::uinteger_option_def<value_print_options>; | |
7aeb03e2 MR |
2894 | using pinteger_option_def |
2895 | = gdb::option::pinteger_option_def<value_print_options>; | |
7d8062de | 2896 | |
76b58849 AB |
2897 | /* Extra literals supported with the `set print characters' and |
2898 | `print -characters' commands. */ | |
2899 | static const literal_def print_characters_literals[] = | |
2900 | { | |
2901 | { "elements", PRINT_MAX_CHARS_ELEMENTS }, | |
2902 | { "unlimited", PRINT_MAX_CHARS_UNLIMITED, 0 }, | |
2903 | { nullptr } | |
2904 | }; | |
2905 | ||
85102364 | 2906 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
2907 | commands. */ |
2908 | static const gdb::option::option_def value_print_option_defs[] = { | |
2909 | ||
2910 | boolean_option_def { | |
2911 | "address", | |
2912 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
2913 | show_addressprint, /* show_cmd_cb */ | |
2914 | N_("Set printing of addresses."), | |
2915 | N_("Show printing of addresses."), | |
2916 | NULL, /* help_doc */ | |
2917 | }, | |
2918 | ||
2919 | boolean_option_def { | |
2920 | "array", | |
2921 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
2922 | show_prettyformat_arrays, /* show_cmd_cb */ | |
2923 | N_("Set pretty formatting of arrays."), | |
2924 | N_("Show pretty formatting of arrays."), | |
2925 | NULL, /* help_doc */ | |
2926 | }, | |
2927 | ||
2928 | boolean_option_def { | |
2929 | "array-indexes", | |
2930 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
2931 | show_print_array_indexes, /* show_cmd_cb */ | |
2932 | N_("Set printing of array indexes."), | |
590042fc | 2933 | N_("Show printing of array indexes."), |
7d8062de PA |
2934 | NULL, /* help_doc */ |
2935 | }, | |
2936 | ||
21a527df EL |
2937 | boolean_option_def { |
2938 | "nibbles", | |
2939 | [] (value_print_options *opt) { return &opt->nibblesprint; }, | |
2940 | show_nibbles, /* show_cmd_cb */ | |
2941 | N_("Set whether to print binary values in groups of four bits."), | |
2942 | N_("Show whether to print binary values in groups of four bits."), | |
2943 | NULL, /* help_doc */ | |
2944 | }, | |
2945 | ||
76b58849 AB |
2946 | uinteger_option_def { |
2947 | "characters", | |
2948 | [] (value_print_options *opt) { return &opt->print_max_chars; }, | |
2949 | print_characters_literals, | |
2950 | show_print_max_chars, /* show_cmd_cb */ | |
2951 | N_("Set limit on string chars to print."), | |
2952 | N_("Show limit on string chars to print."), | |
2953 | N_("\"elements\" causes the array element limit to be used.\n" | |
2954 | "\"unlimited\" causes there to be no limit."), | |
2955 | }, | |
2956 | ||
7d8062de PA |
2957 | uinteger_option_def { |
2958 | "elements", | |
2959 | [] (value_print_options *opt) { return &opt->print_max; }, | |
7aeb03e2 | 2960 | uinteger_unlimited_literals, |
7d8062de | 2961 | show_print_max, /* show_cmd_cb */ |
76b58849 AB |
2962 | N_("Set limit on array elements to print."), |
2963 | N_("Show limit on array elements to print."), | |
2964 | N_("\"unlimited\" causes there to be no limit.\n" | |
2965 | "This setting also applies to string chars when \"print characters\"\n" | |
2966 | "is set to \"elements\"."), | |
7d8062de PA |
2967 | }, |
2968 | ||
7aeb03e2 | 2969 | pinteger_option_def { |
7d8062de PA |
2970 | "max-depth", |
2971 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
7aeb03e2 | 2972 | pinteger_unlimited_literals, |
7d8062de PA |
2973 | show_print_max_depth, /* show_cmd_cb */ |
2974 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
2975 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
2976 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
2977 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
2978 | Use \"unlimited\" to print the complete structure.") | |
2979 | }, | |
2980 | ||
bef382e6 LM |
2981 | boolean_option_def { |
2982 | "memory-tag-violations", | |
2983 | [] (value_print_options *opt) { return &opt->memory_tag_violations; }, | |
2984 | show_memory_tag_violations, /* show_cmd_cb */ | |
2985 | N_("Set printing of memory tag violations for pointers."), | |
2986 | N_("Show printing of memory tag violations for pointers."), | |
2987 | N_("Issue a warning when the printed value is a pointer\n\ | |
2988 | whose logical tag doesn't match the allocation tag of the memory\n\ | |
2989 | location it points to."), | |
2990 | }, | |
2991 | ||
7d8062de PA |
2992 | boolean_option_def { |
2993 | "null-stop", | |
2994 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
2995 | show_stop_print_at_null, /* show_cmd_cb */ | |
2996 | N_("Set printing of char arrays to stop at first null char."), | |
2997 | N_("Show printing of char arrays to stop at first null char."), | |
2998 | NULL, /* help_doc */ | |
2999 | }, | |
3000 | ||
3001 | boolean_option_def { | |
3002 | "object", | |
3003 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
3004 | show_objectprint, /* show_cmd_cb */ | |
3005 | _("Set printing of C++ virtual function tables."), | |
3006 | _("Show printing of C++ virtual function tables."), | |
3007 | NULL, /* help_doc */ | |
3008 | }, | |
3009 | ||
3010 | boolean_option_def { | |
3011 | "pretty", | |
3012 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
3013 | show_prettyformat_structs, /* show_cmd_cb */ | |
3014 | N_("Set pretty formatting of structures."), | |
3015 | N_("Show pretty formatting of structures."), | |
3016 | NULL, /* help_doc */ | |
3017 | }, | |
3018 | ||
d8edc8b7 PW |
3019 | boolean_option_def { |
3020 | "raw-values", | |
3021 | [] (value_print_options *opt) { return &opt->raw; }, | |
3022 | NULL, /* show_cmd_cb */ | |
3023 | N_("Set whether to print values in raw form."), | |
3024 | N_("Show whether to print values in raw form."), | |
3025 | N_("If set, values are printed in raw form, bypassing any\n\ | |
3026 | pretty-printers for that value.") | |
3027 | }, | |
3028 | ||
7d8062de PA |
3029 | uinteger_option_def { |
3030 | "repeats", | |
3031 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
7aeb03e2 | 3032 | uinteger_unlimited_literals, |
7d8062de PA |
3033 | show_repeat_count_threshold, /* show_cmd_cb */ |
3034 | N_("Set threshold for repeated print elements."), | |
3035 | N_("Show threshold for repeated print elements."), | |
3036 | N_("\"unlimited\" causes all elements to be individually printed."), | |
3037 | }, | |
3038 | ||
3039 | boolean_option_def { | |
3040 | "static-members", | |
3041 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
3042 | show_static_field_print, /* show_cmd_cb */ | |
3043 | N_("Set printing of C++ static members."), | |
3044 | N_("Show printing of C++ static members."), | |
3045 | NULL, /* help_doc */ | |
3046 | }, | |
3047 | ||
3048 | boolean_option_def { | |
3049 | "symbol", | |
3050 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
3051 | show_symbol_print, /* show_cmd_cb */ | |
3052 | N_("Set printing of symbol names when printing pointers."), | |
3053 | N_("Show printing of symbol names when printing pointers."), | |
3054 | NULL, /* help_doc */ | |
3055 | }, | |
3056 | ||
3057 | boolean_option_def { | |
3058 | "union", | |
3059 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
3060 | show_unionprint, /* show_cmd_cb */ | |
3061 | N_("Set printing of unions interior to structures."), | |
3062 | N_("Show printing of unions interior to structures."), | |
3063 | NULL, /* help_doc */ | |
3064 | }, | |
3065 | ||
3066 | boolean_option_def { | |
3067 | "vtbl", | |
3068 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3069 | show_vtblprint, /* show_cmd_cb */ | |
3070 | N_("Set printing of C++ virtual function tables."), | |
3071 | N_("Show printing of C++ virtual function tables."), | |
3072 | NULL, /* help_doc */ | |
3073 | }, | |
3074 | }; | |
3075 | ||
3076 | /* See valprint.h. */ | |
3077 | ||
3078 | gdb::option::option_def_group | |
3079 | make_value_print_options_def_group (value_print_options *opts) | |
3080 | { | |
3081 | return {{value_print_option_defs}, opts}; | |
3082 | } | |
3083 | ||
c9bd9859 SV |
3084 | #if GDB_SELF_TEST |
3085 | ||
3086 | /* Test printing of TYPE_CODE_FLAGS values. */ | |
3087 | ||
3088 | static void | |
3089 | test_print_flags (gdbarch *arch) | |
3090 | { | |
3091 | type *flags_type = arch_flags_type (arch, "test_type", 32); | |
3092 | type *field_type = builtin_type (arch)->builtin_uint32; | |
3093 | ||
3094 | /* Value: 1010 1010 | |
3095 | Fields: CCCB BAAA */ | |
3096 | append_flags_type_field (flags_type, 0, 3, field_type, "A"); | |
3097 | append_flags_type_field (flags_type, 3, 2, field_type, "B"); | |
3098 | append_flags_type_field (flags_type, 5, 3, field_type, "C"); | |
3099 | ||
317c3ed9 | 3100 | value *val = value::allocate (flags_type); |
bbe912ba | 3101 | gdb_byte *contents = val->contents_writeable ().data (); |
c9bd9859 SV |
3102 | store_unsigned_integer (contents, 4, gdbarch_byte_order (arch), 0xaa); |
3103 | ||
3104 | string_file out; | |
3105 | val_print_type_code_flags (flags_type, val, 0, &out); | |
3106 | SELF_CHECK (out.string () == "[ A=2 B=1 C=5 ]"); | |
3107 | } | |
3108 | ||
3109 | #endif | |
3110 | ||
6c265988 | 3111 | void _initialize_valprint (); |
c906108c | 3112 | void |
6c265988 | 3113 | _initialize_valprint () |
c906108c | 3114 | { |
c9bd9859 SV |
3115 | #if GDB_SELF_TEST |
3116 | selftests::register_test_foreach_arch ("print-flags", test_print_flags); | |
3117 | #endif | |
3118 | ||
f54bdb6d SM |
3119 | set_show_commands setshow_print_cmds |
3120 | = add_setshow_prefix_cmd ("print", no_class, | |
3121 | _("Generic command for setting how things print."), | |
3122 | _("Generic command for showing print settings."), | |
3123 | &setprintlist, &showprintlist, | |
3124 | &setlist, &showlist); | |
3125 | add_alias_cmd ("p", setshow_print_cmds.set, no_class, 1, &setlist); | |
581e13c1 | 3126 | /* Prefer set print to set prompt. */ |
f54bdb6d SM |
3127 | add_alias_cmd ("pr", setshow_print_cmds.set, no_class, 1, &setlist); |
3128 | add_alias_cmd ("p", setshow_print_cmds.show, no_class, 1, &showlist); | |
3129 | add_alias_cmd ("pr", setshow_print_cmds.show, no_class, 1, &showlist); | |
3130 | ||
3131 | set_show_commands setshow_print_raw_cmds | |
3132 | = add_setshow_prefix_cmd | |
3133 | ("raw", no_class, | |
3134 | _("Generic command for setting what things to print in \"raw\" mode."), | |
3135 | _("Generic command for showing \"print raw\" settings."), | |
3136 | &setprintrawlist, &showprintrawlist, &setprintlist, &showprintlist); | |
3137 | deprecate_cmd (setshow_print_raw_cmds.set, nullptr); | |
3138 | deprecate_cmd (setshow_print_raw_cmds.show, nullptr); | |
e7045703 | 3139 | |
7d8062de PA |
3140 | gdb::option::add_setshow_cmds_for_options |
3141 | (class_support, &user_print_options, value_print_option_defs, | |
3142 | &setprintlist, &showprintlist); | |
9cb709b6 | 3143 | |
1e8fb976 PA |
3144 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3145 | _("\ | |
35096d9d AC |
3146 | Set default input radix for entering numbers."), _("\ |
3147 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3148 | set_input_radix, |
3149 | show_input_radix, | |
3150 | &setlist, &showlist); | |
35096d9d | 3151 | |
1e8fb976 PA |
3152 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3153 | _("\ | |
35096d9d AC |
3154 | Set default output radix for printing of values."), _("\ |
3155 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3156 | set_output_radix, |
3157 | show_output_radix, | |
3158 | &setlist, &showlist); | |
c906108c | 3159 | |
cb1a6d5f AC |
3160 | /* The "set radix" and "show radix" commands are special in that |
3161 | they are like normal set and show commands but allow two normally | |
3162 | independent variables to be either set or shown with a single | |
b66df561 | 3163 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3164 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3165 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3166 | longer true - show can display anything. */ | |
1a966eab AC |
3167 | add_cmd ("radix", class_support, set_radix, _("\ |
3168 | Set default input and output number radices.\n\ | |
c906108c | 3169 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3170 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3171 | &setlist); |
1a966eab AC |
3172 | add_cmd ("radix", class_support, show_radix, _("\ |
3173 | Show the default input and output number radices.\n\ | |
3174 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3175 | &showlist); |
c906108c | 3176 | } |