]>
Commit | Line | Data |
---|---|---|
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 | { |
9a0dc9e3 PA |
376 | if (value_bits_any_optimized_out (val, |
377 | TARGET_CHAR_BIT * embedded_offset, | |
df86565b | 378 | TARGET_CHAR_BIT * type->length ())) |
0e03807e | 379 | { |
901461f8 | 380 | val_print_optimized_out (val, stream); |
0e03807e TT |
381 | return 0; |
382 | } | |
8cf6f0b1 | 383 | |
4e07d55f | 384 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
df86565b | 385 | TARGET_CHAR_BIT * type->length ())) |
8cf6f0b1 | 386 | { |
78134374 | 387 | const int is_ref = type->code () == TYPE_CODE_REF; |
3326303b MG |
388 | int ref_is_addressable = 0; |
389 | ||
390 | if (is_ref) | |
391 | { | |
392 | const struct value *deref_val = coerce_ref_if_computed (val); | |
393 | ||
394 | if (deref_val != NULL) | |
97044105 | 395 | ref_is_addressable = deref_val->lval () == lval_memory; |
3326303b MG |
396 | } |
397 | ||
398 | if (!is_ref || !ref_is_addressable) | |
7f6aba03 TT |
399 | fputs_styled (_("<synthetic pointer>"), metadata_style.style (), |
400 | stream); | |
3326303b MG |
401 | |
402 | /* C++ references should be valid even if they're synthetic. */ | |
403 | return is_ref; | |
8cf6f0b1 | 404 | } |
4e07d55f | 405 | |
df86565b | 406 | if (!value_bytes_available (val, embedded_offset, type->length ())) |
4e07d55f PA |
407 | { |
408 | val_print_unavailable (stream); | |
409 | return 0; | |
410 | } | |
0e03807e TT |
411 | } |
412 | ||
413 | return 1; | |
414 | } | |
415 | ||
585fdaa1 | 416 | void |
901461f8 | 417 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 418 | { |
97044105 | 419 | if (val != NULL && val->lval () == lval_register) |
782d47df | 420 | val_print_not_saved (stream); |
901461f8 | 421 | else |
7f6aba03 | 422 | fprintf_styled (stream, metadata_style.style (), _("<optimized out>")); |
585fdaa1 PA |
423 | } |
424 | ||
782d47df PA |
425 | void |
426 | val_print_not_saved (struct ui_file *stream) | |
427 | { | |
7f6aba03 | 428 | fprintf_styled (stream, metadata_style.style (), _("<not saved>")); |
782d47df PA |
429 | } |
430 | ||
4e07d55f PA |
431 | void |
432 | val_print_unavailable (struct ui_file *stream) | |
433 | { | |
7f6aba03 | 434 | fprintf_styled (stream, metadata_style.style (), _("<unavailable>")); |
4e07d55f PA |
435 | } |
436 | ||
8af8e3bc PA |
437 | void |
438 | val_print_invalid_address (struct ui_file *stream) | |
439 | { | |
7f6aba03 | 440 | fprintf_styled (stream, metadata_style.style (), _("<invalid address>")); |
8af8e3bc PA |
441 | } |
442 | ||
9f436164 SM |
443 | /* Print a pointer based on the type of its target. |
444 | ||
445 | Arguments to this functions are roughly the same as those in | |
446 | generic_val_print. A difference is that ADDRESS is the address to print, | |
447 | with embedded_offset already added. ELTTYPE represents | |
448 | the pointed type after check_typedef. */ | |
449 | ||
450 | static void | |
451 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
452 | CORE_ADDR address, struct ui_file *stream, | |
453 | const struct value_print_options *options) | |
454 | { | |
8ee511af | 455 | struct gdbarch *gdbarch = type->arch (); |
9f436164 | 456 | |
78134374 | 457 | if (elttype->code () == TYPE_CODE_FUNC) |
9f436164 SM |
458 | { |
459 | /* Try to print what function it points to. */ | |
460 | print_function_pointer_address (options, gdbarch, address, stream); | |
461 | return; | |
462 | } | |
463 | ||
464 | if (options->symbol_print) | |
465 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
466 | else if (options->addressprint) | |
0426ad51 | 467 | gdb_puts (paddress (gdbarch, address), stream); |
9f436164 SM |
468 | } |
469 | ||
557dbe8a SM |
470 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
471 | ||
472 | static void | |
426a9c18 | 473 | generic_val_print_array (struct value *val, |
00272ec4 | 474 | struct ui_file *stream, int recurse, |
00272ec4 TT |
475 | const struct value_print_options *options, |
476 | const struct | |
477 | generic_val_print_decorations *decorations) | |
557dbe8a | 478 | { |
d0c97917 | 479 | struct type *type = check_typedef (val->type ()); |
27710edb | 480 | struct type *unresolved_elttype = type->target_type (); |
557dbe8a SM |
481 | struct type *elttype = check_typedef (unresolved_elttype); |
482 | ||
df86565b | 483 | if (type->length () > 0 && unresolved_elttype->length () > 0) |
557dbe8a SM |
484 | { |
485 | LONGEST low_bound, high_bound; | |
486 | ||
487 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
488 | error (_("Could not determine the array high bound")); | |
489 | ||
0426ad51 | 490 | gdb_puts (decorations->array_start, stream); |
426a9c18 | 491 | value_print_array_elements (val, stream, recurse, options, 0); |
0426ad51 | 492 | gdb_puts (decorations->array_end, stream); |
557dbe8a SM |
493 | } |
494 | else | |
495 | { | |
496 | /* Array of unspecified length: treat like pointer to first elt. */ | |
9feb2d07 | 497 | print_unpacked_pointer (type, elttype, val->address (), |
426a9c18 | 498 | stream, options); |
557dbe8a SM |
499 | } |
500 | ||
501 | } | |
502 | ||
2a5b130b TT |
503 | /* generic_value_print helper for TYPE_CODE_PTR. */ |
504 | ||
505 | static void | |
506 | generic_value_print_ptr (struct value *val, struct ui_file *stream, | |
507 | const struct value_print_options *options) | |
508 | { | |
509 | ||
510 | if (options->format && options->format != 's') | |
511 | value_print_scalar_formatted (val, options, 0, stream); | |
512 | else | |
513 | { | |
d0c97917 | 514 | struct type *type = check_typedef (val->type ()); |
27710edb | 515 | struct type *elttype = check_typedef (type->target_type ()); |
50888e42 | 516 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
2a5b130b TT |
517 | CORE_ADDR addr = unpack_pointer (type, valaddr); |
518 | ||
519 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
520 | } | |
521 | } | |
522 | ||
45000ea2 | 523 | |
3326303b MG |
524 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
525 | ||
526 | static void | |
527 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
528 | int embedded_offset, struct ui_file *stream) | |
529 | { | |
8ee511af | 530 | struct gdbarch *gdbarch = type->arch (); |
3326303b MG |
531 | |
532 | if (address_buffer != NULL) | |
533 | { | |
534 | CORE_ADDR address | |
535 | = extract_typed_address (address_buffer + embedded_offset, type); | |
536 | ||
6cb06a8c | 537 | gdb_printf (stream, "@"); |
0426ad51 | 538 | gdb_puts (paddress (gdbarch, address), stream); |
3326303b MG |
539 | } |
540 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
541 | } | |
542 | ||
543 | /* If VAL is addressable, return the value contents buffer of a value that | |
544 | represents a pointer to VAL. Otherwise return NULL. */ | |
545 | ||
546 | static const gdb_byte * | |
547 | get_value_addr_contents (struct value *deref_val) | |
548 | { | |
549 | gdb_assert (deref_val != NULL); | |
550 | ||
97044105 | 551 | if (deref_val->lval () == lval_memory) |
50888e42 | 552 | return value_contents_for_printing_const (value_addr (deref_val)).data (); |
3326303b MG |
553 | else |
554 | { | |
555 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
556 | return NULL; | |
557 | } | |
558 | } | |
559 | ||
aa006118 | 560 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
561 | |
562 | static void | |
e8b24d9f | 563 | generic_val_print_ref (struct type *type, |
fe43fede | 564 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 565 | struct value *original_value, |
fe43fede SM |
566 | const struct value_print_options *options) |
567 | { | |
27710edb | 568 | struct type *elttype = check_typedef (type->target_type ()); |
3326303b MG |
569 | struct value *deref_val = NULL; |
570 | const int value_is_synthetic | |
571 | = value_bits_synthetic_pointer (original_value, | |
572 | TARGET_CHAR_BIT * embedded_offset, | |
df86565b | 573 | TARGET_CHAR_BIT * type->length ()); |
3326303b MG |
574 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) |
575 | || options->deref_ref); | |
78134374 | 576 | const int type_is_defined = elttype->code () != TYPE_CODE_UNDEF; |
50888e42 | 577 | const gdb_byte *valaddr = value_contents_for_printing (original_value).data (); |
3326303b MG |
578 | |
579 | if (must_coerce_ref && type_is_defined) | |
580 | { | |
581 | deref_val = coerce_ref_if_computed (original_value); | |
582 | ||
583 | if (deref_val != NULL) | |
584 | { | |
585 | /* More complicated computed references are not supported. */ | |
586 | gdb_assert (embedded_offset == 0); | |
587 | } | |
588 | else | |
27710edb | 589 | deref_val = value_at (type->target_type (), |
3326303b MG |
590 | unpack_pointer (type, valaddr + embedded_offset)); |
591 | } | |
592 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
593 | the reference's contents. | |
594 | ||
595 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
596 | cause original_value to be a not_lval instead of an lval_computed, | |
597 | which will make value_bits_synthetic_pointer return false. | |
598 | This happens because if options->objectprint is true, c_value_print will | |
599 | overwrite original_value's contents with the result of coercing | |
600 | the reference through value_addr, and then set its type back to | |
601 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
602 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
603 | |
604 | if (options->addressprint) | |
605 | { | |
3326303b MG |
606 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
607 | ? get_value_addr_contents (deref_val) | |
608 | : valaddr); | |
609 | ||
610 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 611 | |
fe43fede | 612 | if (options->deref_ref) |
0426ad51 | 613 | gdb_puts (": ", stream); |
fe43fede | 614 | } |
3326303b | 615 | |
fe43fede SM |
616 | if (options->deref_ref) |
617 | { | |
3326303b MG |
618 | if (type_is_defined) |
619 | common_val_print (deref_val, stream, recurse, options, | |
620 | current_language); | |
fe43fede | 621 | else |
0426ad51 | 622 | gdb_puts ("???", stream); |
fe43fede SM |
623 | } |
624 | } | |
625 | ||
81516450 DE |
626 | /* Helper function for generic_val_print_enum. |
627 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
628 | |
629 | static void | |
81516450 DE |
630 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
631 | struct ui_file *stream) | |
ef0bc0dd SM |
632 | { |
633 | unsigned int i; | |
634 | unsigned int len; | |
ef0bc0dd | 635 | |
1f704f76 | 636 | len = type->num_fields (); |
ef0bc0dd SM |
637 | for (i = 0; i < len; i++) |
638 | { | |
639 | QUIT; | |
970db518 | 640 | if (val == type->field (i).loc_enumval ()) |
ef0bc0dd SM |
641 | { |
642 | break; | |
643 | } | |
644 | } | |
645 | if (i < len) | |
646 | { | |
33d16dd9 | 647 | fputs_styled (type->field (i).name (), variable_name_style.style (), |
3f0cbb04 | 648 | stream); |
ef0bc0dd | 649 | } |
0672875f | 650 | else if (type->is_flag_enum ()) |
ef0bc0dd SM |
651 | { |
652 | int first = 1; | |
653 | ||
6740f0cc SM |
654 | /* We have a "flag" enum, so we try to decompose it into pieces as |
655 | appropriate. The enum may have multiple enumerators representing | |
656 | the same bit, in which case we choose to only print the first one | |
657 | we find. */ | |
ef0bc0dd SM |
658 | for (i = 0; i < len; ++i) |
659 | { | |
660 | QUIT; | |
661 | ||
970db518 | 662 | ULONGEST enumval = type->field (i).loc_enumval (); |
edd45eb0 SM |
663 | int nbits = count_one_bits_ll (enumval); |
664 | ||
665 | gdb_assert (nbits == 0 || nbits == 1); | |
666 | ||
667 | if ((val & enumval) != 0) | |
ef0bc0dd | 668 | { |
373d7ac0 SM |
669 | if (first) |
670 | { | |
0426ad51 | 671 | gdb_puts ("(", stream); |
373d7ac0 SM |
672 | first = 0; |
673 | } | |
674 | else | |
0426ad51 | 675 | gdb_puts (" | ", stream); |
ef0bc0dd | 676 | |
970db518 | 677 | val &= ~type->field (i).loc_enumval (); |
33d16dd9 | 678 | fputs_styled (type->field (i).name (), |
3f0cbb04 | 679 | variable_name_style.style (), stream); |
ef0bc0dd SM |
680 | } |
681 | } | |
682 | ||
373d7ac0 | 683 | if (val != 0) |
ef0bc0dd | 684 | { |
373d7ac0 SM |
685 | /* There are leftover bits, print them. */ |
686 | if (first) | |
0426ad51 | 687 | gdb_puts ("(", stream); |
373d7ac0 | 688 | else |
0426ad51 | 689 | gdb_puts (" | ", stream); |
373d7ac0 | 690 | |
0426ad51 | 691 | gdb_puts ("unknown: 0x", stream); |
b29a2df0 | 692 | print_longest (stream, 'x', 0, val); |
0426ad51 | 693 | gdb_puts (")", stream); |
373d7ac0 SM |
694 | } |
695 | else if (first) | |
696 | { | |
697 | /* Nothing has been printed and the value is 0, the enum value must | |
698 | have been 0. */ | |
0426ad51 | 699 | gdb_puts ("0", stream); |
373d7ac0 SM |
700 | } |
701 | else | |
702 | { | |
703 | /* Something has been printed, close the parenthesis. */ | |
0426ad51 | 704 | gdb_puts (")", stream); |
ef0bc0dd | 705 | } |
ef0bc0dd SM |
706 | } |
707 | else | |
708 | print_longest (stream, 'd', 0, val); | |
709 | } | |
710 | ||
81516450 DE |
711 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
712 | ||
713 | static void | |
e8b24d9f | 714 | generic_val_print_enum (struct type *type, |
81516450 | 715 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 716 | struct value *original_value, |
81516450 DE |
717 | const struct value_print_options *options) |
718 | { | |
719 | LONGEST val; | |
8ee511af | 720 | struct gdbarch *gdbarch = type->arch (); |
81516450 DE |
721 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); |
722 | ||
40f3ce18 | 723 | gdb_assert (!options->format); |
e8b24d9f | 724 | |
50888e42 | 725 | const gdb_byte *valaddr = value_contents_for_printing (original_value).data (); |
81516450 | 726 | |
40f3ce18 TT |
727 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
728 | ||
729 | generic_val_print_enum_1 (type, val, stream); | |
81516450 DE |
730 | } |
731 | ||
4a8c372f SM |
732 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
733 | ||
734 | static void | |
e8b24d9f | 735 | generic_val_print_func (struct type *type, |
4a8c372f SM |
736 | int embedded_offset, CORE_ADDR address, |
737 | struct ui_file *stream, | |
e8b24d9f | 738 | struct value *original_value, |
4a8c372f SM |
739 | const struct value_print_options *options) |
740 | { | |
8ee511af | 741 | struct gdbarch *gdbarch = type->arch (); |
4a8c372f | 742 | |
4112d2e6 TT |
743 | gdb_assert (!options->format); |
744 | ||
745 | /* FIXME, we should consider, at least for ANSI C language, | |
746 | eliminating the distinction made between FUNCs and POINTERs to | |
747 | FUNCs. */ | |
6cb06a8c | 748 | gdb_printf (stream, "{"); |
4112d2e6 | 749 | type_print (type, "", stream, -1); |
6cb06a8c | 750 | gdb_printf (stream, "} "); |
4112d2e6 TT |
751 | /* Try to print what function it points to, and its address. */ |
752 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
4a8c372f SM |
753 | } |
754 | ||
6dde7521 TT |
755 | /* generic_value_print helper for TYPE_CODE_BOOL. */ |
756 | ||
757 | static void | |
758 | generic_value_print_bool | |
759 | (struct value *value, struct ui_file *stream, | |
760 | const struct value_print_options *options, | |
761 | const struct generic_val_print_decorations *decorations) | |
762 | { | |
763 | if (options->format || options->output_format) | |
764 | { | |
765 | struct value_print_options opts = *options; | |
766 | opts.format = (options->format ? options->format | |
767 | : options->output_format); | |
768 | value_print_scalar_formatted (value, &opts, 0, stream); | |
769 | } | |
770 | else | |
771 | { | |
50888e42 | 772 | const gdb_byte *valaddr = value_contents_for_printing (value).data (); |
d0c97917 | 773 | struct type *type = check_typedef (value->type ()); |
6dde7521 TT |
774 | LONGEST val = unpack_long (type, valaddr); |
775 | if (val == 0) | |
0426ad51 | 776 | gdb_puts (decorations->false_name, stream); |
6dde7521 | 777 | else if (val == 1) |
0426ad51 | 778 | gdb_puts (decorations->true_name, stream); |
6dde7521 TT |
779 | else |
780 | print_longest (stream, 'd', 0, val); | |
781 | } | |
782 | } | |
783 | ||
fdddfccb TT |
784 | /* generic_value_print helper for TYPE_CODE_INT. */ |
785 | ||
786 | static void | |
787 | generic_value_print_int (struct value *val, struct ui_file *stream, | |
788 | const struct value_print_options *options) | |
789 | { | |
790 | struct value_print_options opts = *options; | |
791 | ||
792 | opts.format = (options->format ? options->format | |
793 | : options->output_format); | |
794 | value_print_scalar_formatted (val, &opts, 0, stream); | |
795 | } | |
796 | ||
3eec3b05 TT |
797 | /* generic_value_print helper for TYPE_CODE_CHAR. */ |
798 | ||
799 | static void | |
800 | generic_value_print_char (struct value *value, struct ui_file *stream, | |
801 | const struct value_print_options *options) | |
802 | { | |
803 | if (options->format || options->output_format) | |
804 | { | |
805 | struct value_print_options opts = *options; | |
806 | ||
807 | opts.format = (options->format ? options->format | |
808 | : options->output_format); | |
809 | value_print_scalar_formatted (value, &opts, 0, stream); | |
810 | } | |
811 | else | |
812 | { | |
d0c97917 | 813 | struct type *unresolved_type = value->type (); |
3eec3b05 | 814 | struct type *type = check_typedef (unresolved_type); |
50888e42 | 815 | const gdb_byte *valaddr = value_contents_for_printing (value).data (); |
3eec3b05 TT |
816 | |
817 | LONGEST val = unpack_long (type, valaddr); | |
c6d940a9 | 818 | if (type->is_unsigned ()) |
6cb06a8c | 819 | gdb_printf (stream, "%u", (unsigned int) val); |
3eec3b05 | 820 | else |
6cb06a8c | 821 | gdb_printf (stream, "%d", (int) val); |
0426ad51 | 822 | gdb_puts (" ", stream); |
362501dc | 823 | current_language->printchar (val, unresolved_type, stream); |
3eec3b05 TT |
824 | } |
825 | } | |
826 | ||
fdf0cbc2 | 827 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
828 | |
829 | static void | |
82836c92 | 830 | generic_val_print_float (struct type *type, struct ui_file *stream, |
e8b24d9f | 831 | struct value *original_value, |
7784724b SM |
832 | const struct value_print_options *options) |
833 | { | |
f5354008 | 834 | gdb_assert (!options->format); |
e8b24d9f | 835 | |
50888e42 | 836 | const gdb_byte *valaddr = value_contents_for_printing (original_value).data (); |
f5354008 | 837 | |
82836c92 | 838 | print_floating (valaddr, type, stream); |
7784724b SM |
839 | } |
840 | ||
09584414 JB |
841 | /* generic_val_print helper for TYPE_CODE_FIXED_POINT. */ |
842 | ||
843 | static void | |
844 | generic_val_print_fixed_point (struct value *val, struct ui_file *stream, | |
845 | const struct value_print_options *options) | |
846 | { | |
847 | if (options->format) | |
848 | value_print_scalar_formatted (val, options, 0, stream); | |
849 | else | |
850 | { | |
d0c97917 | 851 | struct type *type = val->type (); |
09584414 | 852 | |
50888e42 | 853 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
09584414 JB |
854 | gdb_mpf f; |
855 | ||
df86565b | 856 | f.read_fixed_point (gdb::make_array_view (valaddr, type->length ()), |
09584414 | 857 | type_byte_order (type), type->is_unsigned (), |
e6fcee3a | 858 | type->fixed_point_scaling_factor ()); |
09584414 | 859 | |
df86565b | 860 | const char *fmt = type->length () < 4 ? "%.11Fg" : "%.17Fg"; |
987b6703 | 861 | std::string str = gmp_string_printf (fmt, f.val); |
6cb06a8c | 862 | gdb_printf (stream, "%s", str.c_str ()); |
09584414 JB |
863 | } |
864 | } | |
865 | ||
4f412b6e TT |
866 | /* generic_value_print helper for TYPE_CODE_COMPLEX. */ |
867 | ||
868 | static void | |
869 | generic_value_print_complex (struct value *val, struct ui_file *stream, | |
870 | const struct value_print_options *options, | |
871 | const struct generic_val_print_decorations | |
872 | *decorations) | |
873 | { | |
6cb06a8c | 874 | gdb_printf (stream, "%s", decorations->complex_prefix); |
4f412b6e | 875 | |
4c99290d | 876 | struct value *real_part = value_real_part (val); |
4f412b6e | 877 | value_print_scalar_formatted (real_part, options, 0, stream); |
6cb06a8c | 878 | gdb_printf (stream, "%s", decorations->complex_infix); |
4f412b6e | 879 | |
4c99290d | 880 | struct value *imag_part = value_imaginary_part (val); |
4f412b6e | 881 | value_print_scalar_formatted (imag_part, options, 0, stream); |
6cb06a8c | 882 | gdb_printf (stream, "%s", decorations->complex_suffix); |
4f412b6e TT |
883 | } |
884 | ||
6b5a7bc7 TT |
885 | /* generic_value_print helper for TYPE_CODE_MEMBERPTR. */ |
886 | ||
887 | static void | |
888 | generic_value_print_memberptr | |
889 | (struct value *val, struct ui_file *stream, | |
890 | int recurse, | |
891 | const struct value_print_options *options, | |
892 | const struct generic_val_print_decorations *decorations) | |
893 | { | |
894 | if (!options->format) | |
895 | { | |
896 | /* Member pointers are essentially specific to C++, and so if we | |
897 | encounter one, we should print it according to C++ rules. */ | |
d0c97917 | 898 | struct type *type = check_typedef (val->type ()); |
50888e42 | 899 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
6b5a7bc7 TT |
900 | cp_print_class_member (valaddr, type, stream, "&"); |
901 | } | |
902 | else | |
86430497 | 903 | value_print_scalar_formatted (val, options, 0, stream); |
6b5a7bc7 TT |
904 | } |
905 | ||
156bfec9 TT |
906 | /* See valprint.h. */ |
907 | ||
908 | void | |
909 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
910 | const struct value_print_options *options, | |
911 | const struct generic_val_print_decorations *decorations) | |
912 | { | |
d0c97917 | 913 | struct type *type = val->type (); |
abc66ce9 TT |
914 | |
915 | type = check_typedef (type); | |
09584414 JB |
916 | |
917 | if (is_fixed_point_type (type)) | |
d19937a7 | 918 | type = type->fixed_point_type_base_type (); |
09584414 | 919 | |
79a07423 TT |
920 | /* Widen a subrange to its target type, then use that type's |
921 | printer. */ | |
922 | while (type->code () == TYPE_CODE_RANGE) | |
923 | { | |
27710edb | 924 | type = check_typedef (type->target_type ()); |
79a07423 TT |
925 | val = value_cast (type, val); |
926 | } | |
927 | ||
78134374 | 928 | switch (type->code ()) |
abc66ce9 TT |
929 | { |
930 | case TYPE_CODE_ARRAY: | |
426a9c18 | 931 | generic_val_print_array (val, stream, recurse, options, decorations); |
abc66ce9 TT |
932 | break; |
933 | ||
934 | case TYPE_CODE_MEMBERPTR: | |
6b5a7bc7 TT |
935 | generic_value_print_memberptr (val, stream, recurse, options, |
936 | decorations); | |
abc66ce9 TT |
937 | break; |
938 | ||
939 | case TYPE_CODE_PTR: | |
2a5b130b | 940 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
941 | break; |
942 | ||
943 | case TYPE_CODE_REF: | |
944 | case TYPE_CODE_RVALUE_REF: | |
945 | generic_val_print_ref (type, 0, stream, recurse, | |
946 | val, options); | |
947 | break; | |
948 | ||
949 | case TYPE_CODE_ENUM: | |
40f3ce18 TT |
950 | if (options->format) |
951 | value_print_scalar_formatted (val, options, 0, stream); | |
952 | else | |
953 | generic_val_print_enum (type, 0, stream, val, options); | |
abc66ce9 TT |
954 | break; |
955 | ||
956 | case TYPE_CODE_FLAGS: | |
65786af6 TT |
957 | if (options->format) |
958 | value_print_scalar_formatted (val, options, 0, stream); | |
959 | else | |
960 | val_print_type_code_flags (type, val, 0, stream); | |
abc66ce9 TT |
961 | break; |
962 | ||
963 | case TYPE_CODE_FUNC: | |
964 | case TYPE_CODE_METHOD: | |
4112d2e6 TT |
965 | if (options->format) |
966 | value_print_scalar_formatted (val, options, 0, stream); | |
967 | else | |
9feb2d07 | 968 | generic_val_print_func (type, 0, val->address (), stream, |
4112d2e6 | 969 | val, options); |
abc66ce9 TT |
970 | break; |
971 | ||
972 | case TYPE_CODE_BOOL: | |
6dde7521 | 973 | generic_value_print_bool (val, stream, options, decorations); |
abc66ce9 TT |
974 | break; |
975 | ||
abc66ce9 | 976 | case TYPE_CODE_INT: |
fdddfccb | 977 | generic_value_print_int (val, stream, options); |
abc66ce9 TT |
978 | break; |
979 | ||
980 | case TYPE_CODE_CHAR: | |
3eec3b05 | 981 | generic_value_print_char (val, stream, options); |
abc66ce9 TT |
982 | break; |
983 | ||
984 | case TYPE_CODE_FLT: | |
985 | case TYPE_CODE_DECFLOAT: | |
f5354008 TT |
986 | if (options->format) |
987 | value_print_scalar_formatted (val, options, 0, stream); | |
988 | else | |
82836c92 | 989 | generic_val_print_float (type, stream, val, options); |
abc66ce9 TT |
990 | break; |
991 | ||
09584414 JB |
992 | case TYPE_CODE_FIXED_POINT: |
993 | generic_val_print_fixed_point (val, stream, options); | |
994 | break; | |
995 | ||
abc66ce9 | 996 | case TYPE_CODE_VOID: |
0426ad51 | 997 | gdb_puts (decorations->void_name, stream); |
abc66ce9 TT |
998 | break; |
999 | ||
1000 | case TYPE_CODE_ERROR: | |
6cb06a8c | 1001 | gdb_printf (stream, "%s", TYPE_ERROR_NAME (type)); |
abc66ce9 TT |
1002 | break; |
1003 | ||
1004 | case TYPE_CODE_UNDEF: | |
1005 | /* This happens (without TYPE_STUB set) on systems which don't use | |
dda83cd7 SM |
1006 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
1007 | and no complete type for struct foo in that file. */ | |
abc66ce9 TT |
1008 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
1009 | break; | |
1010 | ||
1011 | case TYPE_CODE_COMPLEX: | |
4f412b6e | 1012 | generic_value_print_complex (val, stream, options, decorations); |
abc66ce9 TT |
1013 | break; |
1014 | ||
6b5a7bc7 | 1015 | case TYPE_CODE_METHODPTR: |
50888e42 | 1016 | cplus_print_method_ptr (value_contents_for_printing (val).data (), type, |
6b5a7bc7 TT |
1017 | stream); |
1018 | break; | |
1019 | ||
abc66ce9 TT |
1020 | case TYPE_CODE_UNION: |
1021 | case TYPE_CODE_STRUCT: | |
abc66ce9 TT |
1022 | default: |
1023 | error (_("Unhandled type code %d in symbol table."), | |
78134374 | 1024 | type->code ()); |
abc66ce9 | 1025 | } |
156bfec9 TT |
1026 | } |
1027 | ||
1a1bfce7 TT |
1028 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
1029 | to OPTIONS. | |
32b72a42 | 1030 | |
1a1bfce7 TT |
1031 | This is a preferable interface to val_print, above, because it uses |
1032 | GDB's value mechanism. */ | |
1033 | ||
1034 | void | |
1035 | common_val_print (struct value *value, struct ui_file *stream, int recurse, | |
1036 | const struct value_print_options *options, | |
1037 | const struct language_defn *language) | |
c906108c | 1038 | { |
1a1bfce7 TT |
1039 | if (language->la_language == language_ada) |
1040 | /* The value might have a dynamic type, which would cause trouble | |
1041 | below when trying to extract the value contents (since the value | |
1042 | size is determined from the type size which is unknown). So | |
1043 | get a fixed representation of our value. */ | |
1044 | value = ada_to_fixed_value (value); | |
1045 | ||
3ee3b270 | 1046 | if (value->lazy ()) |
1a1bfce7 TT |
1047 | value_fetch_lazy (value); |
1048 | ||
79a45b7d | 1049 | struct value_print_options local_opts = *options; |
d0c97917 | 1050 | struct type *type = value->type (); |
c906108c | 1051 | struct type *real_type = check_typedef (type); |
79a45b7d | 1052 | |
2a998fc0 DE |
1053 | if (local_opts.prettyformat == Val_prettyformat_default) |
1054 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
1055 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 1056 | |
c906108c SS |
1057 | QUIT; |
1058 | ||
1059 | /* Ensure that the type is complete and not just a stub. If the type is | |
1060 | only a stub and we can't find and substitute its complete type, then | |
1061 | print appropriate string and return. */ | |
1062 | ||
e46d3488 | 1063 | if (real_type->is_stub ()) |
c906108c | 1064 | { |
7f6aba03 | 1065 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 1066 | return; |
c906108c | 1067 | } |
c5aa993b | 1068 | |
426a9c18 | 1069 | if (!valprint_check_validity (stream, real_type, 0, value)) |
35c0084b | 1070 | return; |
0e03807e | 1071 | |
a6bac58e TT |
1072 | if (!options->raw) |
1073 | { | |
1a1bfce7 TT |
1074 | if (apply_ext_lang_val_pretty_printer (value, stream, recurse, options, |
1075 | language)) | |
35c0084b | 1076 | return; |
a6bac58e TT |
1077 | } |
1078 | ||
1079 | /* Handle summary mode. If the value is a scalar, print it; | |
1080 | otherwise, print an ellipsis. */ | |
6211c335 | 1081 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e | 1082 | { |
6cb06a8c | 1083 | gdb_printf (stream, "..."); |
35c0084b | 1084 | return; |
a6bac58e TT |
1085 | } |
1086 | ||
2e62ab40 AB |
1087 | /* If this value is too deep then don't print it. */ |
1088 | if (!val_print_scalar_or_string_type_p (type, language) | |
1089 | && val_print_check_max_depth (stream, recurse, options, language)) | |
1090 | return; | |
1091 | ||
a70b8144 | 1092 | try |
19ca80ba | 1093 | { |
ebe2334e | 1094 | language->value_print_inner (value, stream, recurse, &local_opts); |
19ca80ba | 1095 | } |
230d2906 | 1096 | catch (const gdb_exception_error &except) |
492d29ea | 1097 | { |
7f6aba03 | 1098 | fprintf_styled (stream, metadata_style.style (), |
9cd609f8 | 1099 | _("<error reading variable: %s>"), except.what ()); |
492d29ea | 1100 | } |
c906108c SS |
1101 | } |
1102 | ||
2e62ab40 AB |
1103 | /* See valprint.h. */ |
1104 | ||
1105 | bool | |
1106 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1107 | const struct value_print_options *options, | |
1108 | const struct language_defn *language) | |
1109 | { | |
1110 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1111 | { | |
22e3f3ed | 1112 | gdb_assert (language->struct_too_deep_ellipsis () != NULL); |
0426ad51 | 1113 | gdb_puts (language->struct_too_deep_ellipsis (), stream); |
2e62ab40 AB |
1114 | return true; |
1115 | } | |
1116 | ||
1117 | return false; | |
1118 | } | |
1119 | ||
806048c6 | 1120 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1121 | return 0 and print an appropriate error message to STREAM according to |
1122 | OPTIONS if it is not. */ | |
c906108c | 1123 | |
806048c6 | 1124 | static int |
6501578c YQ |
1125 | value_check_printable (struct value *val, struct ui_file *stream, |
1126 | const struct value_print_options *options) | |
c906108c SS |
1127 | { |
1128 | if (val == 0) | |
1129 | { | |
7f6aba03 TT |
1130 | fprintf_styled (stream, metadata_style.style (), |
1131 | _("<address of value unknown>")); | |
c906108c SS |
1132 | return 0; |
1133 | } | |
806048c6 | 1134 | |
0e03807e | 1135 | if (value_entirely_optimized_out (val)) |
c906108c | 1136 | { |
d0c97917 | 1137 | if (options->summary && !val_print_scalar_type_p (val->type ())) |
6cb06a8c | 1138 | gdb_printf (stream, "..."); |
6501578c | 1139 | else |
901461f8 | 1140 | val_print_optimized_out (val, stream); |
c906108c SS |
1141 | return 0; |
1142 | } | |
806048c6 | 1143 | |
eebc056c AB |
1144 | if (value_entirely_unavailable (val)) |
1145 | { | |
d0c97917 | 1146 | if (options->summary && !val_print_scalar_type_p (val->type ())) |
6cb06a8c | 1147 | gdb_printf (stream, "..."); |
eebc056c AB |
1148 | else |
1149 | val_print_unavailable (stream); | |
1150 | return 0; | |
1151 | } | |
1152 | ||
d0c97917 | 1153 | if (val->type ()->code () == TYPE_CODE_INTERNAL_FUNCTION) |
bc3b79fd | 1154 | { |
7f6aba03 TT |
1155 | fprintf_styled (stream, metadata_style.style (), |
1156 | _("<internal function %s>"), | |
1157 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1158 | return 0; |
1159 | } | |
1160 | ||
d0c97917 | 1161 | if (type_not_associated (val->type ())) |
3f2f83dd KB |
1162 | { |
1163 | val_print_not_associated (stream); | |
1164 | return 0; | |
1165 | } | |
1166 | ||
d0c97917 | 1167 | if (type_not_allocated (val->type ())) |
3f2f83dd KB |
1168 | { |
1169 | val_print_not_allocated (stream); | |
1170 | return 0; | |
1171 | } | |
1172 | ||
806048c6 DJ |
1173 | return 1; |
1174 | } | |
1175 | ||
c2a44efe TT |
1176 | /* See valprint.h. */ |
1177 | ||
1178 | void | |
1179 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1180 | int recurse, | |
1181 | const struct value_print_options *options, | |
1182 | const struct language_defn *language) | |
1183 | { | |
1184 | if (!value_check_printable (val, stream, options)) | |
1185 | return; | |
1186 | common_val_print (val, stream, recurse, options, language); | |
1187 | } | |
1188 | ||
7348c5e1 | 1189 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1190 | is printed using the current_language syntax. */ |
7348c5e1 | 1191 | |
8e069a98 | 1192 | void |
79a45b7d TT |
1193 | value_print (struct value *val, struct ui_file *stream, |
1194 | const struct value_print_options *options) | |
806048c6 | 1195 | { |
ce3acbe9 TT |
1196 | scoped_value_mark free_values; |
1197 | ||
6501578c | 1198 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1199 | return; |
806048c6 | 1200 | |
a6bac58e TT |
1201 | if (!options->raw) |
1202 | { | |
6dddc817 | 1203 | int r |
42331a1e TT |
1204 | = apply_ext_lang_val_pretty_printer (val, stream, 0, options, |
1205 | current_language); | |
a109c7c1 | 1206 | |
a6bac58e | 1207 | if (r) |
8e069a98 | 1208 | return; |
a6bac58e TT |
1209 | } |
1210 | ||
00c696a6 | 1211 | current_language->value_print (val, stream, options); |
c906108c SS |
1212 | } |
1213 | ||
731d2cc1 TV |
1214 | /* Meant to be used in debug sessions, so don't export it in a header file. */ |
1215 | extern void ATTRIBUTE_UNUSED debug_val (struct value *val); | |
1216 | ||
1217 | /* Print VAL. */ | |
1218 | ||
1219 | void ATTRIBUTE_UNUSED | |
1220 | debug_val (struct value *val) | |
1221 | { | |
1222 | value_print (val, gdb_stdlog, &user_print_options); | |
1223 | gdb_flush (gdb_stdlog); | |
1224 | } | |
1225 | ||
81516450 | 1226 | static void |
65786af6 TT |
1227 | val_print_type_code_flags (struct type *type, struct value *original_value, |
1228 | int embedded_offset, struct ui_file *stream) | |
4f2aea11 | 1229 | { |
50888e42 | 1230 | const gdb_byte *valaddr = (value_contents_for_printing (original_value).data () |
65786af6 | 1231 | + embedded_offset); |
befae759 | 1232 | ULONGEST val = unpack_long (type, valaddr); |
1f704f76 | 1233 | int field, nfields = type->num_fields (); |
8ee511af | 1234 | struct gdbarch *gdbarch = type->arch (); |
81516450 | 1235 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; |
4f2aea11 | 1236 | |
0426ad51 | 1237 | gdb_puts ("[", stream); |
81516450 | 1238 | for (field = 0; field < nfields; field++) |
4f2aea11 | 1239 | { |
33d16dd9 | 1240 | if (type->field (field).name ()[0] != '\0') |
4f2aea11 | 1241 | { |
940da03e | 1242 | struct type *field_type = type->field (field).type (); |
81516450 DE |
1243 | |
1244 | if (field_type == bool_type | |
1245 | /* We require boolean types here to be one bit wide. This is a | |
1246 | problematic place to notify the user of an internal error | |
1247 | though. Instead just fall through and print the field as an | |
1248 | int. */ | |
1249 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1250 | { | |
b610c045 | 1251 | if (val & ((ULONGEST)1 << type->field (field).loc_bitpos ())) |
6cb06a8c | 1252 | gdb_printf |
3f0cbb04 TT |
1253 | (stream, " %ps", |
1254 | styled_string (variable_name_style.style (), | |
33d16dd9 | 1255 | type->field (field).name ())); |
81516450 | 1256 | } |
4f2aea11 | 1257 | else |
81516450 DE |
1258 | { |
1259 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
b610c045 | 1260 | ULONGEST field_val = val >> type->field (field).loc_bitpos (); |
81516450 DE |
1261 | |
1262 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1263 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
6cb06a8c TT |
1264 | gdb_printf (stream, " %ps=", |
1265 | styled_string (variable_name_style.style (), | |
1266 | type->field (field).name ())); | |
78134374 | 1267 | if (field_type->code () == TYPE_CODE_ENUM) |
81516450 DE |
1268 | generic_val_print_enum_1 (field_type, field_val, stream); |
1269 | else | |
1270 | print_longest (stream, 'd', 0, field_val); | |
1271 | } | |
4f2aea11 MK |
1272 | } |
1273 | } | |
0426ad51 | 1274 | gdb_puts (" ]", stream); |
19c37f24 | 1275 | } |
ab2188aa | 1276 | |
4f9ae810 TT |
1277 | /* See valprint.h. */ |
1278 | ||
1279 | void | |
1280 | value_print_scalar_formatted (struct value *val, | |
1281 | const struct value_print_options *options, | |
1282 | int size, | |
1283 | struct ui_file *stream) | |
1284 | { | |
d0c97917 | 1285 | struct type *type = check_typedef (val->type ()); |
4f9ae810 TT |
1286 | |
1287 | gdb_assert (val != NULL); | |
1288 | ||
1289 | /* If we get here with a string format, try again without it. Go | |
1290 | all the way back to the language printers, which may call us | |
1291 | again. */ | |
1292 | if (options->format == 's') | |
1293 | { | |
1294 | struct value_print_options opts = *options; | |
1295 | opts.format = 0; | |
dad6b350 | 1296 | opts.deref_ref = false; |
4f9ae810 TT |
1297 | common_val_print (val, stream, 0, &opts, current_language); |
1298 | return; | |
1299 | } | |
1300 | ||
1301 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1302 | needed to check whether VAL is optimized-out or unavailable | |
1303 | below. */ | |
50888e42 | 1304 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
4f9ae810 TT |
1305 | |
1306 | /* A scalar object that does not have all bits available can't be | |
1307 | printed, because all bits contribute to its representation. */ | |
1308 | if (value_bits_any_optimized_out (val, 0, | |
df86565b | 1309 | TARGET_CHAR_BIT * type->length ())) |
4f9ae810 | 1310 | val_print_optimized_out (val, stream); |
df86565b | 1311 | else if (!value_bytes_available (val, 0, type->length ())) |
4f9ae810 TT |
1312 | val_print_unavailable (stream); |
1313 | else | |
1314 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1315 | } | |
1316 | ||
c906108c SS |
1317 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1318 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1319 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1320 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1321 | format. |
bb599908 PH |
1322 | |
1323 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1324 | 'o' and 'x' format do not include the standard C radix prefix | |
1325 | (leading 0 or 0x). | |
1326 | ||
1327 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1328 | and was intended to request formatting according to the current |
bb599908 PH |
1329 | language and would be used for most integers that GDB prints. The |
1330 | exceptional cases were things like protocols where the format of | |
1331 | the integer is a protocol thing, not a user-visible thing). The | |
1332 | parameter remains to preserve the information of what things might | |
1333 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1334 | that capability. */ |
c906108c SS |
1335 | |
1336 | void | |
bb599908 | 1337 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1338 | LONGEST val_long) |
c906108c | 1339 | { |
2bfb72ee AC |
1340 | const char *val; |
1341 | ||
c906108c SS |
1342 | switch (format) |
1343 | { | |
1344 | case 'd': | |
bb599908 | 1345 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1346 | case 'u': |
bb599908 | 1347 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1348 | case 'x': |
bb599908 | 1349 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1350 | case 'b': |
bb599908 | 1351 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1352 | case 'h': |
bb599908 | 1353 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1354 | case 'w': |
bb599908 | 1355 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1356 | case 'g': |
bb599908 | 1357 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1358 | break; |
1359 | case 'o': | |
bb599908 | 1360 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1361 | default: |
f34652de | 1362 | internal_error (_("failed internal consistency check")); |
bb599908 | 1363 | } |
0426ad51 | 1364 | gdb_puts (val, stream); |
c906108c SS |
1365 | } |
1366 | ||
c906108c SS |
1367 | /* This used to be a macro, but I don't think it is called often enough |
1368 | to merit such treatment. */ | |
1369 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1370 | arguments to a function, number in a value history, register number, etc.) | |
1371 | where the value must not be larger than can fit in an int. */ | |
1372 | ||
1373 | int | |
fba45db2 | 1374 | longest_to_int (LONGEST arg) |
c906108c | 1375 | { |
581e13c1 | 1376 | /* Let the compiler do the work. */ |
c906108c SS |
1377 | int rtnval = (int) arg; |
1378 | ||
581e13c1 | 1379 | /* Check for overflows or underflows. */ |
c906108c SS |
1380 | if (sizeof (LONGEST) > sizeof (int)) |
1381 | { | |
1382 | if (rtnval != arg) | |
1383 | { | |
8a3fe4f8 | 1384 | error (_("Value out of range.")); |
c906108c SS |
1385 | } |
1386 | } | |
1387 | return (rtnval); | |
1388 | } | |
1389 | ||
fdf0cbc2 UW |
1390 | /* Print a floating point value of floating-point type TYPE, |
1391 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1392 | |
1393 | void | |
fc1a4b47 | 1394 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1395 | struct ui_file *stream) |
c906108c | 1396 | { |
f69fdf9b | 1397 | std::string str = target_float_to_string (valaddr, type); |
0426ad51 | 1398 | gdb_puts (str.c_str (), stream); |
7678ef8f TJB |
1399 | } |
1400 | ||
c5aa993b | 1401 | void |
fc1a4b47 | 1402 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
21a527df EL |
1403 | unsigned len, enum bfd_endian byte_order, bool zero_pad, |
1404 | const struct value_print_options *options) | |
c906108c | 1405 | { |
fc1a4b47 | 1406 | const gdb_byte *p; |
745b8ca0 | 1407 | unsigned int i; |
c5aa993b | 1408 | int b; |
30a25466 | 1409 | bool seen_a_one = false; |
21a527df | 1410 | const char *digit_separator = nullptr; |
c906108c SS |
1411 | |
1412 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1413 | This ensures that right shift will shift in zeros. */ |
1414 | ||
c5aa993b | 1415 | const int mask = 0x080; |
c906108c | 1416 | |
21a527df EL |
1417 | if (options->nibblesprint) |
1418 | digit_separator = current_language->get_digit_separator(); | |
1419 | ||
d44e8473 | 1420 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1421 | { |
1422 | for (p = valaddr; | |
1423 | p < valaddr + len; | |
1424 | p++) | |
1425 | { | |
c5aa993b | 1426 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1427 | and print from the MSB end. */ |
1428 | ||
d3abe1c8 | 1429 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b | 1430 | { |
21a527df EL |
1431 | if (options->nibblesprint && seen_a_one && i % 4 == 0) |
1432 | gdb_putc (*digit_separator, stream); | |
1433 | ||
c5aa993b | 1434 | if (*p & (mask >> i)) |
30a25466 | 1435 | b = '1'; |
c5aa993b | 1436 | else |
30a25466 | 1437 | b = '0'; |
c5aa993b | 1438 | |
30a25466 | 1439 | if (zero_pad || seen_a_one || b == '1') |
a11ac3b3 | 1440 | gdb_putc (b, stream); |
21a527df EL |
1441 | else if (options->nibblesprint) |
1442 | { | |
1443 | if ((0xf0 & (mask >> i) && (*p & 0xf0)) | |
1444 | || (0x0f & (mask >> i) && (*p & 0x0f))) | |
1445 | gdb_putc (b, stream); | |
1446 | } | |
1447 | ||
30a25466 TT |
1448 | if (b == '1') |
1449 | seen_a_one = true; | |
c5aa993b | 1450 | } |
c906108c SS |
1451 | } |
1452 | } | |
1453 | else | |
1454 | { | |
1455 | for (p = valaddr + len - 1; | |
1456 | p >= valaddr; | |
1457 | p--) | |
1458 | { | |
d3abe1c8 | 1459 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b | 1460 | { |
21a527df EL |
1461 | if (options->nibblesprint && seen_a_one && i % 4 == 0) |
1462 | gdb_putc (*digit_separator, stream); | |
1463 | ||
c5aa993b | 1464 | if (*p & (mask >> i)) |
30a25466 | 1465 | b = '1'; |
c5aa993b | 1466 | else |
30a25466 | 1467 | b = '0'; |
c5aa993b | 1468 | |
30a25466 | 1469 | if (zero_pad || seen_a_one || b == '1') |
a11ac3b3 | 1470 | gdb_putc (b, stream); |
21a527df EL |
1471 | else if (options->nibblesprint) |
1472 | { | |
1473 | if ((0xf0 & (mask >> i) && (*p & 0xf0)) | |
1474 | || (0x0f & (mask >> i) && (*p & 0x0f))) | |
1475 | gdb_putc (b, stream); | |
1476 | } | |
1477 | ||
30a25466 TT |
1478 | if (b == '1') |
1479 | seen_a_one = true; | |
c5aa993b | 1480 | } |
c906108c SS |
1481 | } |
1482 | } | |
30a25466 TT |
1483 | |
1484 | /* When not zero-padding, ensure that something is printed when the | |
1485 | input is 0. */ | |
1486 | if (!zero_pad && !seen_a_one) | |
a11ac3b3 | 1487 | gdb_putc ('0', stream); |
30a25466 TT |
1488 | } |
1489 | ||
1490 | /* A helper for print_octal_chars that emits a single octal digit, | |
1491 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1492 | ||
1493 | static void | |
1494 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1495 | { | |
1496 | if (*seen_a_one || digit != 0) | |
6cb06a8c | 1497 | gdb_printf (stream, "%o", digit); |
30a25466 TT |
1498 | if (digit != 0) |
1499 | *seen_a_one = true; | |
c906108c SS |
1500 | } |
1501 | ||
1502 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1503 | Print it in octal on stream or format it in buf. */ |
1504 | ||
c906108c | 1505 | void |
fc1a4b47 | 1506 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1507 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1508 | { |
fc1a4b47 | 1509 | const gdb_byte *p; |
c906108c | 1510 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1511 | int cycle; |
1512 | ||
c906108c SS |
1513 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1514 | * the extra bits, which cycle every three bytes: | |
1515 | * | |
1516 | * Byte side: 0 1 2 3 | |
1517 | * | | | | | |
1518 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1519 | * | |
1520 | * Octal side: 0 1 carry 3 4 carry ... | |
1521 | * | |
1522 | * Cycle number: 0 1 2 | |
1523 | * | |
1524 | * But of course we are printing from the high side, so we have to | |
1525 | * figure out where in the cycle we are so that we end up with no | |
1526 | * left over bits at the end. | |
1527 | */ | |
1528 | #define BITS_IN_OCTAL 3 | |
1529 | #define HIGH_ZERO 0340 | |
d6382fff | 1530 | #define LOW_ZERO 0034 |
c906108c | 1531 | #define CARRY_ZERO 0003 |
d6382fff TT |
1532 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1533 | "cycle zero constants are wrong"); | |
c906108c SS |
1534 | #define HIGH_ONE 0200 |
1535 | #define MID_ONE 0160 | |
1536 | #define LOW_ONE 0016 | |
1537 | #define CARRY_ONE 0001 | |
d6382fff TT |
1538 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1539 | "cycle one constants are wrong"); | |
c906108c SS |
1540 | #define HIGH_TWO 0300 |
1541 | #define MID_TWO 0070 | |
1542 | #define LOW_TWO 0007 | |
d6382fff TT |
1543 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1544 | "cycle two constants are wrong"); | |
c906108c SS |
1545 | |
1546 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1547 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1548 | ||
d3abe1c8 | 1549 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1550 | carry = 0; |
c5aa993b | 1551 | |
0426ad51 | 1552 | gdb_puts ("0", stream); |
30a25466 | 1553 | bool seen_a_one = false; |
d44e8473 | 1554 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1555 | { |
1556 | for (p = valaddr; | |
1557 | p < valaddr + len; | |
1558 | p++) | |
1559 | { | |
c5aa993b JM |
1560 | switch (cycle) |
1561 | { | |
1562 | case 0: | |
581e13c1 MS |
1563 | /* No carry in, carry out two bits. */ |
1564 | ||
c5aa993b JM |
1565 | octa1 = (HIGH_ZERO & *p) >> 5; |
1566 | octa2 = (LOW_ZERO & *p) >> 2; | |
1567 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1568 | emit_octal_digit (stream, &seen_a_one, octa1); |
1569 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1570 | break; |
1571 | ||
1572 | case 1: | |
581e13c1 MS |
1573 | /* Carry in two bits, carry out one bit. */ |
1574 | ||
c5aa993b JM |
1575 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1576 | octa2 = (MID_ONE & *p) >> 4; | |
1577 | octa3 = (LOW_ONE & *p) >> 1; | |
1578 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1579 | emit_octal_digit (stream, &seen_a_one, octa1); |
1580 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1581 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1582 | break; |
1583 | ||
1584 | case 2: | |
581e13c1 MS |
1585 | /* Carry in one bit, no carry out. */ |
1586 | ||
c5aa993b JM |
1587 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1588 | octa2 = (MID_TWO & *p) >> 3; | |
1589 | octa3 = (LOW_TWO & *p); | |
1590 | carry = 0; | |
30a25466 TT |
1591 | emit_octal_digit (stream, &seen_a_one, octa1); |
1592 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1593 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1594 | break; |
1595 | ||
1596 | default: | |
8a3fe4f8 | 1597 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1598 | } |
1599 | ||
1600 | cycle++; | |
1601 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1602 | } |
1603 | } | |
1604 | else | |
1605 | { | |
1606 | for (p = valaddr + len - 1; | |
1607 | p >= valaddr; | |
1608 | p--) | |
1609 | { | |
c5aa993b JM |
1610 | switch (cycle) |
1611 | { | |
1612 | case 0: | |
1613 | /* Carry out, no carry in */ | |
581e13c1 | 1614 | |
c5aa993b JM |
1615 | octa1 = (HIGH_ZERO & *p) >> 5; |
1616 | octa2 = (LOW_ZERO & *p) >> 2; | |
1617 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1618 | emit_octal_digit (stream, &seen_a_one, octa1); |
1619 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1620 | break; |
1621 | ||
1622 | case 1: | |
1623 | /* Carry in, carry out */ | |
581e13c1 | 1624 | |
c5aa993b JM |
1625 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1626 | octa2 = (MID_ONE & *p) >> 4; | |
1627 | octa3 = (LOW_ONE & *p) >> 1; | |
1628 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1629 | emit_octal_digit (stream, &seen_a_one, octa1); |
1630 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1631 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1632 | break; |
1633 | ||
1634 | case 2: | |
1635 | /* Carry in, no carry out */ | |
581e13c1 | 1636 | |
c5aa993b JM |
1637 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1638 | octa2 = (MID_TWO & *p) >> 3; | |
1639 | octa3 = (LOW_TWO & *p); | |
1640 | carry = 0; | |
30a25466 TT |
1641 | emit_octal_digit (stream, &seen_a_one, octa1); |
1642 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1643 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1644 | break; |
1645 | ||
1646 | default: | |
8a3fe4f8 | 1647 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1648 | } |
1649 | ||
1650 | cycle++; | |
1651 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1652 | } |
1653 | } | |
1654 | ||
c906108c SS |
1655 | } |
1656 | ||
4ac0cb1c TT |
1657 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1658 | bytes in the specified byte order. If the integer is negative, | |
1659 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1660 | nothing and return false. */ | |
1661 | ||
1662 | static bool | |
1663 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1664 | enum bfd_endian byte_order, | |
d5722aa2 | 1665 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1666 | { |
1667 | gdb_byte sign_byte; | |
eb77c9df | 1668 | gdb_assert (len > 0); |
4ac0cb1c TT |
1669 | if (byte_order == BFD_ENDIAN_BIG) |
1670 | sign_byte = bytes[0]; | |
1671 | else | |
1672 | sign_byte = bytes[len - 1]; | |
1673 | if ((sign_byte & 0x80) == 0) | |
1674 | return false; | |
1675 | ||
1676 | out_vec->resize (len); | |
1677 | ||
1678 | /* Compute -x == 1 + ~x. */ | |
1679 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1680 | { | |
1681 | unsigned carry = 1; | |
1682 | for (unsigned i = 0; i < len; ++i) | |
1683 | { | |
1684 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1685 | (*out_vec)[i] = tem & 0xff; | |
1686 | carry = tem / 256; | |
1687 | } | |
1688 | } | |
1689 | else | |
1690 | { | |
1691 | unsigned carry = 1; | |
1692 | for (unsigned i = len; i > 0; --i) | |
1693 | { | |
1694 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1695 | (*out_vec)[i - 1] = tem & 0xff; | |
1696 | carry = tem / 256; | |
1697 | } | |
1698 | } | |
1699 | ||
1700 | return true; | |
1701 | } | |
1702 | ||
c906108c | 1703 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1704 | Print it in decimal on stream or format it in buf. */ |
1705 | ||
c906108c | 1706 | void |
fc1a4b47 | 1707 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1708 | unsigned len, bool is_signed, |
1709 | enum bfd_endian byte_order) | |
c906108c SS |
1710 | { |
1711 | #define TEN 10 | |
c5aa993b | 1712 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1713 | #define CARRY_LEFT( x ) ((x) % TEN) |
1714 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1715 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1716 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1717 | ||
fc1a4b47 | 1718 | const gdb_byte *p; |
c5aa993b JM |
1719 | int carry; |
1720 | int decimal_len; | |
1721 | int i, j, decimal_digits; | |
1722 | int dummy; | |
1723 | int flip; | |
1724 | ||
d5722aa2 | 1725 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1726 | if (is_signed |
1727 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1728 | { | |
0426ad51 | 1729 | gdb_puts ("-", stream); |
4ac0cb1c TT |
1730 | valaddr = negated_bytes.data (); |
1731 | } | |
1732 | ||
c906108c | 1733 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1734 | as the base 16 number, which is 2 digits per byte. */ |
1735 | ||
c906108c | 1736 | decimal_len = len * 2 * 2; |
30a25466 | 1737 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1738 | |
c906108c SS |
1739 | /* Ok, we have an unknown number of bytes of data to be printed in |
1740 | * decimal. | |
1741 | * | |
1742 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1743 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1744 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1745 | * | |
1746 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1747 | * the individual digits are > 10. |
c906108c SS |
1748 | * |
1749 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1750 | * LSD end. | |
1751 | */ | |
c5aa993b | 1752 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1753 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1754 | flip = 0; |
d44e8473 | 1755 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1756 | { |
c906108c SS |
1757 | /* |
1758 | * Multiply current base-ten number by 16 in place. | |
1759 | * Each digit was between 0 and 9, now is between | |
1760 | * 0 and 144. | |
1761 | */ | |
c5aa993b JM |
1762 | for (j = 0; j < decimal_digits; j++) |
1763 | { | |
1764 | digits[j] = SHIFT (digits[j]); | |
1765 | } | |
1766 | ||
c906108c SS |
1767 | /* Take the next nibble off the input and add it to what |
1768 | * we've got in the LSB position. Bottom 'digit' is now | |
1769 | * between 0 and 159. | |
1770 | * | |
1771 | * "flip" is used to run this loop twice for each byte. | |
1772 | */ | |
c5aa993b JM |
1773 | if (flip == 0) |
1774 | { | |
581e13c1 MS |
1775 | /* Take top nibble. */ |
1776 | ||
c5aa993b JM |
1777 | digits[0] += HIGH_NIBBLE (*p); |
1778 | flip = 1; | |
1779 | } | |
1780 | else | |
1781 | { | |
581e13c1 MS |
1782 | /* Take low nibble and bump our pointer "p". */ |
1783 | ||
c5aa993b | 1784 | digits[0] += LOW_NIBBLE (*p); |
dda83cd7 | 1785 | if (byte_order == BFD_ENDIAN_BIG) |
d44e8473 MD |
1786 | p++; |
1787 | else | |
1788 | p--; | |
c5aa993b JM |
1789 | flip = 0; |
1790 | } | |
c906108c SS |
1791 | |
1792 | /* Re-decimalize. We have to do this often enough | |
1793 | * that we don't overflow, but once per nibble is | |
1794 | * overkill. Easier this way, though. Note that the | |
1795 | * carry is often larger than 10 (e.g. max initial | |
1796 | * carry out of lowest nibble is 15, could bubble all | |
1797 | * the way up greater than 10). So we have to do | |
1798 | * the carrying beyond the last current digit. | |
1799 | */ | |
1800 | carry = 0; | |
c5aa993b JM |
1801 | for (j = 0; j < decimal_len - 1; j++) |
1802 | { | |
1803 | digits[j] += carry; | |
1804 | ||
1805 | /* "/" won't handle an unsigned char with | |
1806 | * a value that if signed would be negative. | |
1807 | * So extend to longword int via "dummy". | |
1808 | */ | |
1809 | dummy = digits[j]; | |
1810 | carry = CARRY_OUT (dummy); | |
1811 | digits[j] = CARRY_LEFT (dummy); | |
1812 | ||
1813 | if (j >= decimal_digits && carry == 0) | |
1814 | { | |
1815 | /* | |
1816 | * All higher digits are 0 and we | |
1817 | * no longer have a carry. | |
1818 | * | |
1819 | * Note: "j" is 0-based, "decimal_digits" is | |
1820 | * 1-based. | |
1821 | */ | |
1822 | decimal_digits = j + 1; | |
1823 | break; | |
1824 | } | |
1825 | } | |
1826 | } | |
c906108c SS |
1827 | |
1828 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1829 | the "decimal_digits" actual digits. Print! */ |
1830 | ||
30a25466 TT |
1831 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1832 | ; | |
1833 | ||
1834 | for (; i >= 0; i--) | |
c5aa993b | 1835 | { |
6cb06a8c | 1836 | gdb_printf (stream, "%1d", digits[i]); |
c5aa993b | 1837 | } |
c906108c SS |
1838 | } |
1839 | ||
1840 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1841 | ||
6b9acc27 | 1842 | void |
fc1a4b47 | 1843 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1844 | unsigned len, enum bfd_endian byte_order, |
1845 | bool zero_pad) | |
c906108c | 1846 | { |
fc1a4b47 | 1847 | const gdb_byte *p; |
c906108c | 1848 | |
0426ad51 | 1849 | gdb_puts ("0x", stream); |
d44e8473 | 1850 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1851 | { |
30a25466 TT |
1852 | p = valaddr; |
1853 | ||
1854 | if (!zero_pad) | |
1855 | { | |
1856 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1857 | single byte at the end. */ | |
1858 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1859 | ; | |
1860 | } | |
1861 | ||
1862 | const gdb_byte *first = p; | |
1863 | for (; | |
c906108c SS |
1864 | p < valaddr + len; |
1865 | p++) | |
1866 | { | |
30a25466 TT |
1867 | /* When not zero-padding, use a different format for the |
1868 | very first byte printed. */ | |
1869 | if (!zero_pad && p == first) | |
6cb06a8c | 1870 | gdb_printf (stream, "%x", *p); |
30a25466 | 1871 | else |
6cb06a8c | 1872 | gdb_printf (stream, "%02x", *p); |
c906108c SS |
1873 | } |
1874 | } | |
1875 | else | |
1876 | { | |
30a25466 TT |
1877 | p = valaddr + len - 1; |
1878 | ||
1879 | if (!zero_pad) | |
1880 | { | |
1881 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1882 | single byte at the end. */ | |
1883 | for (; p >= valaddr + 1 && !*p; --p) | |
1884 | ; | |
1885 | } | |
1886 | ||
1887 | const gdb_byte *first = p; | |
1888 | for (; | |
c906108c SS |
1889 | p >= valaddr; |
1890 | p--) | |
1891 | { | |
30a25466 TT |
1892 | /* When not zero-padding, use a different format for the |
1893 | very first byte printed. */ | |
1894 | if (!zero_pad && p == first) | |
6cb06a8c | 1895 | gdb_printf (stream, "%x", *p); |
30a25466 | 1896 | else |
6cb06a8c | 1897 | gdb_printf (stream, "%02x", *p); |
c906108c SS |
1898 | } |
1899 | } | |
c906108c SS |
1900 | } |
1901 | ||
132c57b4 TT |
1902 | /* Print function pointer with inferior address ADDRESS onto stdio |
1903 | stream STREAM. */ | |
1904 | ||
1905 | void | |
edf0c1b7 TT |
1906 | print_function_pointer_address (const struct value_print_options *options, |
1907 | struct gdbarch *gdbarch, | |
132c57b4 | 1908 | CORE_ADDR address, |
edf0c1b7 | 1909 | struct ui_file *stream) |
132c57b4 | 1910 | { |
328d42d8 SM |
1911 | CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr |
1912 | (gdbarch, address, current_inferior ()->top_target ()); | |
132c57b4 TT |
1913 | |
1914 | /* If the function pointer is represented by a description, print | |
1915 | the address of the description. */ | |
edf0c1b7 | 1916 | if (options->addressprint && func_addr != address) |
132c57b4 | 1917 | { |
0426ad51 TT |
1918 | gdb_puts ("@", stream); |
1919 | gdb_puts (paddress (gdbarch, address), stream); | |
1920 | gdb_puts (": ", stream); | |
132c57b4 | 1921 | } |
edf0c1b7 | 1922 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1923 | } |
1924 | ||
1925 | ||
79a45b7d | 1926 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1927 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1928 | ||
1929 | void | |
1930 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
dda83cd7 | 1931 | struct ui_file *stream, |
79a45b7d | 1932 | const struct value_print_options *options) |
e79af960 | 1933 | { |
79a45b7d | 1934 | if (!options->print_array_indexes) |
e79af960 | 1935 | return; |
e74b39de AB |
1936 | |
1937 | current_language->print_array_index (index_type, index, stream, options); | |
79a45b7d | 1938 | } |
e79af960 | 1939 | |
d121c6ce TT |
1940 | /* See valprint.h. */ |
1941 | ||
1942 | void | |
1943 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
1944 | int recurse, | |
1945 | const struct value_print_options *options, | |
1946 | unsigned int i) | |
1947 | { | |
1948 | unsigned int things_printed = 0; | |
1949 | unsigned len; | |
53a47a3e | 1950 | struct type *elttype, *index_type; |
d121c6ce TT |
1951 | /* Position of the array element we are examining to see |
1952 | whether it is repeated. */ | |
1953 | unsigned int rep1; | |
1954 | /* Number of repetitions we have detected so far. */ | |
1955 | unsigned int reps; | |
1956 | LONGEST low_bound, high_bound; | |
d121c6ce | 1957 | |
d0c97917 | 1958 | struct type *type = check_typedef (val->type ()); |
d121c6ce | 1959 | |
27710edb | 1960 | elttype = type->target_type (); |
e379f652 TT |
1961 | unsigned bit_stride = type->bit_stride (); |
1962 | if (bit_stride == 0) | |
1963 | bit_stride = 8 * check_typedef (elttype)->length (); | |
3d967001 | 1964 | index_type = type->index_type (); |
53a47a3e | 1965 | if (index_type->code () == TYPE_CODE_RANGE) |
27710edb | 1966 | index_type = index_type->target_type (); |
d121c6ce TT |
1967 | |
1968 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
1969 | { | |
53a47a3e | 1970 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + |
dda83cd7 SM |
1971 | 1. But we have to be a little extra careful, because some |
1972 | languages such as Ada allow LOW_BOUND to be greater than | |
1973 | HIGH_BOUND for empty arrays. In that situation, the array | |
1974 | length is just zero, not negative! */ | |
53a47a3e | 1975 | if (low_bound > high_bound) |
d121c6ce TT |
1976 | len = 0; |
1977 | else | |
53a47a3e | 1978 | len = high_bound - low_bound + 1; |
d121c6ce TT |
1979 | } |
1980 | else | |
1981 | { | |
1982 | warning (_("unable to get bounds of array, assuming null array")); | |
1983 | low_bound = 0; | |
1984 | len = 0; | |
1985 | } | |
1986 | ||
1987 | annotate_array_section_begin (i, elttype); | |
1988 | ||
1989 | for (; i < len && things_printed < options->print_max; i++) | |
1990 | { | |
1991 | scoped_value_mark free_values; | |
1992 | ||
1993 | if (i != 0) | |
1994 | { | |
1995 | if (options->prettyformat_arrays) | |
1996 | { | |
6cb06a8c | 1997 | gdb_printf (stream, ",\n"); |
d0b1020b | 1998 | print_spaces (2 + 2 * recurse, stream); |
d121c6ce TT |
1999 | } |
2000 | else | |
6cb06a8c | 2001 | gdb_printf (stream, ", "); |
d121c6ce | 2002 | } |
d642b692 HD |
2003 | else if (options->prettyformat_arrays) |
2004 | { | |
6cb06a8c | 2005 | gdb_printf (stream, "\n"); |
d0b1020b | 2006 | print_spaces (2 + 2 * recurse, stream); |
d642b692 | 2007 | } |
1285ce86 | 2008 | stream->wrap_here (2 + 2 * recurse); |
d121c6ce | 2009 | maybe_print_array_index (index_type, i + low_bound, |
dda83cd7 | 2010 | stream, options); |
d121c6ce | 2011 | |
e379f652 TT |
2012 | struct value *element = value_from_component_bitsize (val, elttype, |
2013 | bit_stride * i, | |
2014 | bit_stride); | |
d121c6ce TT |
2015 | rep1 = i + 1; |
2016 | reps = 1; | |
2017 | /* Only check for reps if repeat_count_threshold is not set to | |
2018 | UINT_MAX (unlimited). */ | |
2019 | if (options->repeat_count_threshold < UINT_MAX) | |
2020 | { | |
a0c07915 AB |
2021 | bool unavailable = value_entirely_unavailable (element); |
2022 | bool available = value_entirely_available (element); | |
2023 | ||
e379f652 | 2024 | while (rep1 < len) |
d121c6ce | 2025 | { |
e379f652 TT |
2026 | struct value *rep_elt |
2027 | = value_from_component_bitsize (val, elttype, | |
2028 | rep1 * bit_stride, | |
2029 | bit_stride); | |
a0c07915 AB |
2030 | bool repeated = ((available |
2031 | && value_entirely_available (rep_elt) | |
2032 | && value_contents_eq (element, rep_elt)) | |
2033 | || (unavailable | |
2034 | && value_entirely_unavailable (rep_elt))); | |
2035 | if (!repeated) | |
e379f652 | 2036 | break; |
d121c6ce TT |
2037 | ++reps; |
2038 | ++rep1; | |
2039 | } | |
2040 | } | |
2041 | ||
d121c6ce TT |
2042 | common_val_print (element, stream, recurse + 1, options, |
2043 | current_language); | |
2044 | ||
2045 | if (reps > options->repeat_count_threshold) | |
2046 | { | |
2047 | annotate_elt_rep (reps); | |
6cb06a8c TT |
2048 | gdb_printf (stream, " %p[<repeats %u times>%p]", |
2049 | metadata_style.style ().ptr (), reps, nullptr); | |
d121c6ce TT |
2050 | annotate_elt_rep_end (); |
2051 | ||
2052 | i = rep1 - 1; | |
2053 | things_printed += options->repeat_count_threshold; | |
2054 | } | |
2055 | else | |
2056 | { | |
2057 | annotate_elt (); | |
2058 | things_printed++; | |
2059 | } | |
2060 | } | |
2061 | annotate_array_section_end (); | |
2062 | if (i < len) | |
6cb06a8c | 2063 | gdb_printf (stream, "..."); |
d642b692 HD |
2064 | if (options->prettyformat_arrays) |
2065 | { | |
6cb06a8c | 2066 | gdb_printf (stream, "\n"); |
d0b1020b | 2067 | print_spaces (2 * recurse, stream); |
d642b692 | 2068 | } |
d121c6ce TT |
2069 | } |
2070 | ||
3b2b8fea TT |
2071 | /* Return true if print_wchar can display W without resorting to a |
2072 | numeric escape, false otherwise. */ | |
2073 | ||
2074 | static int | |
2075 | wchar_printable (gdb_wchar_t w) | |
2076 | { | |
2077 | return (gdb_iswprint (w) | |
2078 | || w == LCST ('\a') || w == LCST ('\b') | |
2079 | || w == LCST ('\f') || w == LCST ('\n') | |
2080 | || w == LCST ('\r') || w == LCST ('\t') | |
2081 | || w == LCST ('\v')); | |
2082 | } | |
2083 | ||
2084 | /* A helper function that converts the contents of STRING to wide | |
2085 | characters and then appends them to OUTPUT. */ | |
2086 | ||
2087 | static void | |
2088 | append_string_as_wide (const char *string, | |
2089 | struct obstack *output) | |
2090 | { | |
2091 | for (; *string; ++string) | |
2092 | { | |
2093 | gdb_wchar_t w = gdb_btowc (*string); | |
2094 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2095 | } | |
2096 | } | |
2097 | ||
2098 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2099 | original (target) bytes representing the character, ORIG_LEN is the | |
2100 | number of valid bytes. WIDTH is the number of bytes in a base | |
2101 | characters of the type. OUTPUT is an obstack to which wide | |
2102 | characters are emitted. QUOTER is a (narrow) character indicating | |
2103 | the style of quotes surrounding the character to be printed. | |
2104 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2105 | escapes across calls. */ | |
2106 | ||
2107 | static void | |
2108 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2109 | int orig_len, int width, | |
2110 | enum bfd_endian byte_order, | |
2111 | struct obstack *output, | |
3a646338 | 2112 | int quoter, bool *need_escapep) |
3b2b8fea | 2113 | { |
3a646338 | 2114 | bool need_escape = *need_escapep; |
3b2b8fea | 2115 | |
3a646338 | 2116 | *need_escapep = false; |
3b2b8fea | 2117 | |
05328f91 TT |
2118 | /* If any additional cases are added to this switch block, then the |
2119 | function wchar_printable will likely need updating too. */ | |
95c64f92 | 2120 | switch (w) |
3b2b8fea | 2121 | { |
95c64f92 YQ |
2122 | case LCST ('\a'): |
2123 | obstack_grow_wstr (output, LCST ("\\a")); | |
2124 | break; | |
2125 | case LCST ('\b'): | |
2126 | obstack_grow_wstr (output, LCST ("\\b")); | |
2127 | break; | |
2128 | case LCST ('\f'): | |
2129 | obstack_grow_wstr (output, LCST ("\\f")); | |
2130 | break; | |
2131 | case LCST ('\n'): | |
2132 | obstack_grow_wstr (output, LCST ("\\n")); | |
2133 | break; | |
2134 | case LCST ('\r'): | |
2135 | obstack_grow_wstr (output, LCST ("\\r")); | |
2136 | break; | |
2137 | case LCST ('\t'): | |
2138 | obstack_grow_wstr (output, LCST ("\\t")); | |
2139 | break; | |
2140 | case LCST ('\v'): | |
2141 | obstack_grow_wstr (output, LCST ("\\v")); | |
2142 | break; | |
2143 | default: | |
3b2b8fea | 2144 | { |
3041b931 | 2145 | if (gdb_iswprint (w) && !(need_escape && gdb_iswxdigit (w))) |
95c64f92 YQ |
2146 | { |
2147 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2148 | |
95c64f92 YQ |
2149 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2150 | obstack_grow_wstr (output, LCST ("\\")); | |
2151 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2152 | } | |
2153 | else | |
2154 | { | |
2155 | int i; | |
3b2b8fea | 2156 | |
95c64f92 YQ |
2157 | for (i = 0; i + width <= orig_len; i += width) |
2158 | { | |
2159 | char octal[30]; | |
2160 | ULONGEST value; | |
2161 | ||
2162 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2163 | byte_order); |
95c64f92 YQ |
2164 | /* If the value fits in 3 octal digits, print it that |
2165 | way. Otherwise, print it as a hex escape. */ | |
2166 | if (value <= 0777) | |
3041b931 TT |
2167 | { |
2168 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2169 | (int) (value & 0777)); | |
2170 | *need_escapep = false; | |
2171 | } | |
95c64f92 | 2172 | else |
3041b931 TT |
2173 | { |
2174 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2175 | /* A hex escape might require the next character | |
2176 | to be escaped, because, unlike with octal, | |
2177 | hex escapes have no length limit. */ | |
2178 | *need_escapep = true; | |
2179 | } | |
95c64f92 YQ |
2180 | append_string_as_wide (octal, output); |
2181 | } | |
2182 | /* If we somehow have extra bytes, print them now. */ | |
2183 | while (i < orig_len) | |
2184 | { | |
2185 | char octal[5]; | |
2186 | ||
2187 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
3041b931 | 2188 | *need_escapep = false; |
95c64f92 YQ |
2189 | append_string_as_wide (octal, output); |
2190 | ++i; | |
2191 | } | |
95c64f92 | 2192 | } |
3b2b8fea TT |
2193 | break; |
2194 | } | |
2195 | } | |
2196 | } | |
2197 | ||
2198 | /* Print the character C on STREAM as part of the contents of a | |
2199 | literal string whose delimiter is QUOTER. ENCODING names the | |
2200 | encoding of C. */ | |
2201 | ||
2202 | void | |
2203 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2204 | int quoter, const char *encoding) | |
2205 | { | |
2206 | enum bfd_endian byte_order | |
34877895 | 2207 | = type_byte_order (type); |
b926417a | 2208 | gdb_byte *c_buf; |
3a646338 | 2209 | bool need_escape = false; |
3b2b8fea | 2210 | |
df86565b | 2211 | c_buf = (gdb_byte *) alloca (type->length ()); |
b926417a | 2212 | pack_long (c_buf, type, c); |
3b2b8fea | 2213 | |
df86565b | 2214 | wchar_iterator iter (c_buf, type->length (), encoding, type->length ()); |
3b2b8fea TT |
2215 | |
2216 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2217 | auto_obstack wchar_buf; |
3b2b8fea TT |
2218 | |
2219 | while (1) | |
2220 | { | |
2221 | int num_chars; | |
2222 | gdb_wchar_t *chars; | |
2223 | const gdb_byte *buf; | |
2224 | size_t buflen; | |
2225 | int print_escape = 1; | |
2226 | enum wchar_iterate_result result; | |
2227 | ||
cda6c55b | 2228 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2229 | if (num_chars < 0) |
2230 | break; | |
2231 | if (num_chars > 0) | |
2232 | { | |
2233 | /* If all characters are printable, print them. Otherwise, | |
2234 | we're going to have to print an escape sequence. We | |
2235 | check all characters because we want to print the target | |
2236 | bytes in the escape sequence, and we don't know character | |
2237 | boundaries there. */ | |
2238 | int i; | |
2239 | ||
2240 | print_escape = 0; | |
2241 | for (i = 0; i < num_chars; ++i) | |
2242 | if (!wchar_printable (chars[i])) | |
2243 | { | |
2244 | print_escape = 1; | |
2245 | break; | |
2246 | } | |
2247 | ||
2248 | if (!print_escape) | |
2249 | { | |
2250 | for (i = 0; i < num_chars; ++i) | |
2251 | print_wchar (chars[i], buf, buflen, | |
df86565b | 2252 | type->length (), byte_order, |
3b2b8fea TT |
2253 | &wchar_buf, quoter, &need_escape); |
2254 | } | |
2255 | } | |
2256 | ||
2257 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2258 | if (print_escape) | |
df86565b | 2259 | print_wchar (gdb_WEOF, buf, buflen, type->length (), |
3b2b8fea TT |
2260 | byte_order, &wchar_buf, quoter, &need_escape); |
2261 | } | |
2262 | ||
2263 | /* The output in the host encoding. */ | |
8268c778 | 2264 | auto_obstack output; |
3b2b8fea TT |
2265 | |
2266 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2267 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2268 | obstack_object_size (&wchar_buf), |
fff10684 | 2269 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2270 | obstack_1grow (&output, '\0'); |
2271 | ||
0426ad51 | 2272 | gdb_puts ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2273 | } |
2274 | ||
0d63ecda KS |
2275 | /* Return the repeat count of the next character/byte in ITER, |
2276 | storing the result in VEC. */ | |
2277 | ||
2278 | static int | |
cda6c55b | 2279 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2280 | std::vector<converted_character> *vec) |
0d63ecda KS |
2281 | { |
2282 | struct converted_character *current; | |
2283 | ||
b01ba14d | 2284 | if (vec->empty ()) |
0d63ecda KS |
2285 | { |
2286 | struct converted_character tmp; | |
2287 | gdb_wchar_t *chars; | |
2288 | ||
2289 | tmp.num_chars | |
cda6c55b | 2290 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2291 | if (tmp.num_chars > 0) |
2292 | { | |
2293 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2294 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2295 | } | |
b01ba14d | 2296 | vec->push_back (tmp); |
0d63ecda KS |
2297 | } |
2298 | ||
b01ba14d | 2299 | current = &vec->back (); |
0d63ecda KS |
2300 | |
2301 | /* Count repeated characters or bytes. */ | |
2302 | current->repeat_count = 1; | |
2303 | if (current->num_chars == -1) | |
2304 | { | |
2305 | /* EOF */ | |
2306 | return -1; | |
2307 | } | |
2308 | else | |
2309 | { | |
2310 | gdb_wchar_t *chars; | |
2311 | struct converted_character d; | |
2312 | int repeat; | |
2313 | ||
2314 | d.repeat_count = 0; | |
2315 | ||
2316 | while (1) | |
2317 | { | |
2318 | /* Get the next character. */ | |
cda6c55b | 2319 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2320 | |
2321 | /* If a character was successfully converted, save the character | |
2322 | into the converted character. */ | |
2323 | if (d.num_chars > 0) | |
2324 | { | |
2325 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2326 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2327 | } | |
2328 | ||
2329 | /* Determine if the current character is the same as this | |
2330 | new character. */ | |
2331 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2332 | { | |
2333 | /* There are two cases to consider: | |
2334 | ||
2335 | 1) Equality of converted character (num_chars > 0) | |
2336 | 2) Equality of non-converted character (num_chars == 0) */ | |
2337 | if ((current->num_chars > 0 | |
2338 | && memcmp (current->chars, d.chars, | |
2339 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2340 | || (current->num_chars == 0 | |
2341 | && current->buflen == d.buflen | |
2342 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2343 | ++current->repeat_count; | |
2344 | else | |
2345 | break; | |
2346 | } | |
2347 | else | |
2348 | break; | |
2349 | } | |
2350 | ||
2351 | /* Push this next converted character onto the result vector. */ | |
2352 | repeat = current->repeat_count; | |
b01ba14d | 2353 | vec->push_back (d); |
0d63ecda KS |
2354 | return repeat; |
2355 | } | |
2356 | } | |
2357 | ||
2358 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2359 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2360 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2361 | is the user's print options. */ |
2362 | ||
2363 | static void | |
2364 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2365 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2366 | int quote_char, int width, |
2367 | enum bfd_endian byte_order, | |
2368 | const struct value_print_options *options) | |
2369 | { | |
2370 | unsigned int idx; | |
b01ba14d | 2371 | const converted_character *elem; |
0d63ecda KS |
2372 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2373 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
3a646338 | 2374 | bool need_escape = false; |
0d63ecda KS |
2375 | |
2376 | /* Set the start state. */ | |
2377 | idx = 0; | |
2378 | last = state = START; | |
2379 | elem = NULL; | |
2380 | ||
2381 | while (1) | |
2382 | { | |
2383 | switch (state) | |
2384 | { | |
2385 | case START: | |
2386 | /* Nothing to do. */ | |
2387 | break; | |
2388 | ||
2389 | case SINGLE: | |
2390 | { | |
2391 | int j; | |
2392 | ||
2393 | /* We are outputting a single character | |
2394 | (< options->repeat_count_threshold). */ | |
2395 | ||
2396 | if (last != SINGLE) | |
2397 | { | |
2398 | /* We were outputting some other type of content, so we | |
2399 | must output and a comma and a quote. */ | |
2400 | if (last != START) | |
2401 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2402 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2403 | } | |
2404 | /* Output the character. */ | |
2405 | for (j = 0; j < elem->repeat_count; ++j) | |
2406 | { | |
2407 | if (elem->result == wchar_iterate_ok) | |
2408 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2409 | byte_order, obstack, quote_char, &need_escape); | |
2410 | else | |
2411 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2412 | byte_order, obstack, quote_char, &need_escape); | |
2413 | } | |
2414 | } | |
2415 | break; | |
2416 | ||
2417 | case REPEAT: | |
2418 | { | |
2419 | int j; | |
0d63ecda KS |
2420 | |
2421 | /* We are outputting a character with a repeat count | |
2422 | greater than options->repeat_count_threshold. */ | |
2423 | ||
2424 | if (last == SINGLE) | |
2425 | { | |
2426 | /* We were outputting a single string. Terminate the | |
2427 | string. */ | |
0d63ecda KS |
2428 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2429 | } | |
2430 | if (last != START) | |
2431 | obstack_grow_wstr (obstack, LCST (", ")); | |
2432 | ||
2433 | /* Output the character and repeat string. */ | |
2434 | obstack_grow_wstr (obstack, LCST ("'")); | |
2435 | if (elem->result == wchar_iterate_ok) | |
2436 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2437 | byte_order, obstack, quote_char, &need_escape); | |
2438 | else | |
2439 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2440 | byte_order, obstack, quote_char, &need_escape); | |
2441 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2442 | std::string s = string_printf (_(" <repeats %u times>"), |
2443 | elem->repeat_count); | |
0d63ecda KS |
2444 | for (j = 0; s[j]; ++j) |
2445 | { | |
2446 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2447 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2448 | } | |
0d63ecda KS |
2449 | } |
2450 | break; | |
2451 | ||
2452 | case INCOMPLETE: | |
2453 | /* We are outputting an incomplete sequence. */ | |
2454 | if (last == SINGLE) | |
2455 | { | |
2456 | /* If we were outputting a string of SINGLE characters, | |
2457 | terminate the quote. */ | |
0d63ecda KS |
2458 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2459 | } | |
2460 | if (last != START) | |
2461 | obstack_grow_wstr (obstack, LCST (", ")); | |
2462 | ||
2463 | /* Output the incomplete sequence string. */ | |
2464 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2465 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2466 | obstack, 0, &need_escape); | |
2467 | obstack_grow_wstr (obstack, LCST (">")); | |
2468 | ||
85102364 | 2469 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
2470 | state = FINISH; |
2471 | break; | |
2472 | ||
2473 | case FINISH: | |
2474 | /* All done. If we were outputting a string of SINGLE | |
2475 | characters, the string must be terminated. Otherwise, | |
2476 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2477 | if (last == SINGLE) | |
e93a8774 | 2478 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2479 | |
2480 | return; | |
2481 | } | |
2482 | ||
2483 | /* Get the next element and state. */ | |
2484 | last = state; | |
2485 | if (state != FINISH) | |
2486 | { | |
b01ba14d | 2487 | elem = &chars[idx++]; |
0d63ecda KS |
2488 | switch (elem->result) |
2489 | { | |
2490 | case wchar_iterate_ok: | |
2491 | case wchar_iterate_invalid: | |
2492 | if (elem->repeat_count > options->repeat_count_threshold) | |
2493 | state = REPEAT; | |
2494 | else | |
2495 | state = SINGLE; | |
2496 | break; | |
2497 | ||
2498 | case wchar_iterate_incomplete: | |
2499 | state = INCOMPLETE; | |
2500 | break; | |
2501 | ||
2502 | case wchar_iterate_eof: | |
2503 | state = FINISH; | |
2504 | break; | |
2505 | } | |
2506 | } | |
2507 | } | |
2508 | } | |
2509 | ||
3b2b8fea TT |
2510 | /* Print the character string STRING, printing at most LENGTH |
2511 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2512 | the type of each character. OPTIONS holds the printing options; | |
76b58849 AB |
2513 | printing stops early if the number hits print_max_chars; repeat |
2514 | counts are printed as appropriate. Print ellipses at the end if we | |
2515 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
3b2b8fea TT |
2516 | QUOTE_CHAR is the character to print at each end of the string. If |
2517 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2518 | omitted. */ | |
2519 | ||
2520 | void | |
2521 | generic_printstr (struct ui_file *stream, struct type *type, | |
2522 | const gdb_byte *string, unsigned int length, | |
2523 | const char *encoding, int force_ellipses, | |
2524 | int quote_char, int c_style_terminator, | |
2525 | const struct value_print_options *options) | |
2526 | { | |
34877895 | 2527 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 2528 | unsigned int i; |
df86565b | 2529 | int width = type->length (); |
3b2b8fea | 2530 | int finished = 0; |
0d63ecda | 2531 | struct converted_character *last; |
3b2b8fea TT |
2532 | |
2533 | if (length == -1) | |
2534 | { | |
2535 | unsigned long current_char = 1; | |
2536 | ||
2537 | for (i = 0; current_char; ++i) | |
2538 | { | |
2539 | QUIT; | |
2540 | current_char = extract_unsigned_integer (string + i * width, | |
2541 | width, byte_order); | |
2542 | } | |
2543 | length = i; | |
2544 | } | |
2545 | ||
2546 | /* If the string was not truncated due to `set print elements', and | |
2547 | the last byte of it is a null, we don't print that, in | |
2548 | traditional C style. */ | |
2549 | if (c_style_terminator | |
2550 | && !force_ellipses | |
2551 | && length > 0 | |
2552 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2553 | width, byte_order) == 0)) | |
2554 | length--; | |
2555 | ||
2556 | if (length == 0) | |
2557 | { | |
1be8435c | 2558 | gdb_printf (stream, "%c%c", quote_char, quote_char); |
3b2b8fea TT |
2559 | return; |
2560 | } | |
2561 | ||
2562 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2563 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2564 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2565 | |
0d63ecda KS |
2566 | /* Convert characters until the string is over or the maximum |
2567 | number of printed characters has been reached. */ | |
2568 | i = 0; | |
76b58849 AB |
2569 | unsigned int print_max_chars = get_print_max_chars (options); |
2570 | while (i < print_max_chars) | |
3b2b8fea | 2571 | { |
0d63ecda | 2572 | int r; |
3b2b8fea TT |
2573 | |
2574 | QUIT; | |
2575 | ||
0d63ecda | 2576 | /* Grab the next character and repeat count. */ |
cda6c55b | 2577 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2578 | |
0d63ecda KS |
2579 | /* If less than zero, the end of the input string was reached. */ |
2580 | if (r < 0) | |
2581 | break; | |
3b2b8fea | 2582 | |
0d63ecda KS |
2583 | /* Otherwise, add the count to the total print count and get |
2584 | the next character. */ | |
2585 | i += r; | |
2586 | } | |
3b2b8fea | 2587 | |
0d63ecda KS |
2588 | /* Get the last element and determine if the entire string was |
2589 | processed. */ | |
b01ba14d | 2590 | last = &converted_chars.back (); |
0d63ecda | 2591 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2592 | |
0d63ecda KS |
2593 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2594 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2595 | |
0d63ecda KS |
2596 | /* WCHAR_BUF is the obstack we use to represent the string in |
2597 | wchar_t form. */ | |
8268c778 | 2598 | auto_obstack wchar_buf; |
3b2b8fea | 2599 | |
0d63ecda KS |
2600 | /* Print the output string to the obstack. */ |
2601 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2602 | width, byte_order, options); | |
3b2b8fea TT |
2603 | |
2604 | if (force_ellipses || !finished) | |
2605 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2606 | ||
2607 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2608 | auto_obstack output; |
3b2b8fea TT |
2609 | |
2610 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2611 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2612 | obstack_object_size (&wchar_buf), |
fff10684 | 2613 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2614 | obstack_1grow (&output, '\0'); |
2615 | ||
0426ad51 | 2616 | gdb_puts ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2617 | } |
2618 | ||
ae6a3a4c TJB |
2619 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2620 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2621 | stops at the first null byte, otherwise printing proceeds (including null | |
76b58849 | 2622 | bytes) until either print_max_chars or LEN characters have been printed, |
09ca9e2e TT |
2623 | whichever is smaller. ENCODING is the name of the string's |
2624 | encoding. It can be NULL, in which case the target encoding is | |
2625 | assumed. */ | |
ae6a3a4c TJB |
2626 | |
2627 | int | |
09ca9e2e TT |
2628 | val_print_string (struct type *elttype, const char *encoding, |
2629 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2630 | struct ui_file *stream, |
ae6a3a4c TJB |
2631 | const struct value_print_options *options) |
2632 | { | |
2633 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2634 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2635 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2636 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2637 | int bytes_read; | |
b4be9fad | 2638 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
8ee511af | 2639 | struct gdbarch *gdbarch = elttype->arch (); |
34877895 | 2640 | enum bfd_endian byte_order = type_byte_order (elttype); |
df86565b | 2641 | int width = elttype->length (); |
ae6a3a4c TJB |
2642 | |
2643 | /* First we need to figure out the limit on the number of characters we are | |
76b58849 AB |
2644 | going to attempt to fetch and print. This is actually pretty simple. |
2645 | If LEN >= zero, then the limit is the minimum of LEN and print_max_chars. | |
2646 | If LEN is -1, then the limit is print_max_chars. This is true regardless | |
2647 | of whether print_max_chars is zero, UINT_MAX (unlimited), or something in | |
2648 | between, because finding the null byte (or available memory) is what | |
2649 | actually limits the fetch. */ | |
2650 | ||
2651 | unsigned int print_max_chars = get_print_max_chars (options); | |
2652 | fetchlimit = (len == -1 | |
2653 | ? print_max_chars | |
2654 | : std::min ((unsigned) len, print_max_chars)); | |
ae6a3a4c | 2655 | |
9da74023 | 2656 | err = target_read_string (addr, len, width, fetchlimit, |
3b1bdd53 | 2657 | &buffer, &bytes_read); |
ae6a3a4c TJB |
2658 | |
2659 | addr += bytes_read; | |
c906108c | 2660 | |
3e43a32a MS |
2661 | /* We now have either successfully filled the buffer to fetchlimit, |
2662 | or terminated early due to an error or finding a null char when | |
2663 | LEN is -1. */ | |
ae6a3a4c TJB |
2664 | |
2665 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2666 | found_nul = 0; |
2667 | if (bytes_read >= width) | |
b4be9fad TT |
2668 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2669 | width, byte_order) == 0; | |
c906108c SS |
2670 | if (len == -1 && !found_nul) |
2671 | { | |
777ea8f1 | 2672 | gdb_byte *peekbuf; |
c906108c | 2673 | |
ae6a3a4c | 2674 | /* We didn't find a NUL terminator we were looking for. Attempt |
dda83cd7 SM |
2675 | to peek at the next character. If not successful, or it is not |
2676 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2677 | |
777ea8f1 | 2678 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2679 | |
2680 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2681 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2682 | force_ellipsis = 1; |
2683 | } | |
d09f2c3f | 2684 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2685 | { |
2686 | /* Getting an error when we have a requested length, or fetching less | |
dda83cd7 SM |
2687 | than the number of characters actually requested, always make us |
2688 | print ellipsis. */ | |
c906108c SS |
2689 | force_ellipsis = 1; |
2690 | } | |
2691 | ||
c906108c SS |
2692 | /* If we get an error before fetching anything, don't print a string. |
2693 | But if we fetch something and then get an error, print the string | |
2694 | and then the error message. */ | |
d09f2c3f | 2695 | if (err == 0 || bytes_read > 0) |
660da3c1 TT |
2696 | current_language->printstr (stream, elttype, buffer.get (), |
2697 | bytes_read / width, | |
2698 | encoding, force_ellipsis, options); | |
c906108c | 2699 | |
d09f2c3f | 2700 | if (err != 0) |
c906108c | 2701 | { |
1ccbe998 | 2702 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 2703 | |
6cb06a8c TT |
2704 | gdb_printf (stream, _("<error: %ps>"), |
2705 | styled_string (metadata_style.style (), | |
2706 | str.c_str ())); | |
c906108c | 2707 | } |
ae6a3a4c | 2708 | |
ae6a3a4c | 2709 | return (bytes_read / width); |
c906108c | 2710 | } |
2e62ab40 AB |
2711 | |
2712 | /* Handle 'show print max-depth'. */ | |
2713 | ||
2714 | static void | |
2715 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2716 | struct cmd_list_element *c, const char *value) | |
2717 | { | |
6cb06a8c | 2718 | gdb_printf (file, _("Maximum print depth is %s.\n"), value); |
2e62ab40 | 2719 | } |
c906108c | 2720 | \f |
c5aa993b | 2721 | |
09e6485f PA |
2722 | /* The 'set input-radix' command writes to this auxiliary variable. |
2723 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2724 | it is left unchanged. */ | |
2725 | ||
2726 | static unsigned input_radix_1 = 10; | |
2727 | ||
c906108c SS |
2728 | /* Validate an input or output radix setting, and make sure the user |
2729 | knows what they really did here. Radix setting is confusing, e.g. | |
2730 | setting the input radix to "10" never changes it! */ | |
2731 | ||
c906108c | 2732 | static void |
eb4c3f4a | 2733 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2734 | { |
09e6485f | 2735 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2736 | } |
2737 | ||
c906108c | 2738 | static void |
fba45db2 | 2739 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2740 | { |
2741 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2742 | make any mathematical sense. In theory, we can deal with any input | |
2743 | radix greater than 1, even if we don't have unique digits for every | |
2744 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2745 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2746 | (FIXME). */ |
c906108c SS |
2747 | |
2748 | if (radix < 2) | |
2749 | { | |
09e6485f | 2750 | input_radix_1 = input_radix; |
8a3fe4f8 | 2751 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2752 | radix); |
2753 | } | |
09e6485f | 2754 | input_radix_1 = input_radix = radix; |
c906108c SS |
2755 | if (from_tty) |
2756 | { | |
6cb06a8c TT |
2757 | gdb_printf (_("Input radix now set to " |
2758 | "decimal %u, hex %x, octal %o.\n"), | |
2759 | radix, radix, radix); | |
c906108c SS |
2760 | } |
2761 | } | |
2762 | ||
09e6485f PA |
2763 | /* The 'set output-radix' command writes to this auxiliary variable. |
2764 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2765 | otherwise, it is left unchanged. */ | |
2766 | ||
2767 | static unsigned output_radix_1 = 10; | |
2768 | ||
c906108c | 2769 | static void |
eb4c3f4a | 2770 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2771 | { |
09e6485f | 2772 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2773 | } |
2774 | ||
2775 | static void | |
fba45db2 | 2776 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2777 | { |
2778 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2779 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2780 | switch (radix) |
2781 | { | |
2782 | case 16: | |
79a45b7d | 2783 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2784 | break; |
2785 | case 10: | |
79a45b7d | 2786 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2787 | break; |
2788 | case 8: | |
79a45b7d | 2789 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2790 | break; |
2791 | default: | |
09e6485f | 2792 | output_radix_1 = output_radix; |
3e43a32a MS |
2793 | error (_("Unsupported output radix ``decimal %u''; " |
2794 | "output radix unchanged."), | |
c906108c SS |
2795 | radix); |
2796 | } | |
09e6485f | 2797 | output_radix_1 = output_radix = radix; |
c906108c SS |
2798 | if (from_tty) |
2799 | { | |
6cb06a8c TT |
2800 | gdb_printf (_("Output radix now set to " |
2801 | "decimal %u, hex %x, octal %o.\n"), | |
2802 | radix, radix, radix); | |
c906108c SS |
2803 | } |
2804 | } | |
2805 | ||
2806 | /* Set both the input and output radix at once. Try to set the output radix | |
2807 | first, since it has the most restrictive range. An radix that is valid as | |
2808 | an output radix is also valid as an input radix. | |
2809 | ||
2810 | It may be useful to have an unusual input radix. If the user wishes to | |
2811 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2812 | the 'set input-radix' command. */ |
c906108c SS |
2813 | |
2814 | static void | |
b0a8e6c4 | 2815 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2816 | { |
2817 | unsigned radix; | |
2818 | ||
bb518678 | 2819 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2820 | set_output_radix_1 (0, radix); |
2821 | set_input_radix_1 (0, radix); | |
2822 | if (from_tty) | |
2823 | { | |
6cb06a8c TT |
2824 | gdb_printf (_("Input and output radices now set to " |
2825 | "decimal %u, hex %x, octal %o.\n"), | |
2826 | radix, radix, radix); | |
c906108c SS |
2827 | } |
2828 | } | |
2829 | ||
581e13c1 | 2830 | /* Show both the input and output radices. */ |
c906108c | 2831 | |
c906108c | 2832 | static void |
b0a8e6c4 | 2833 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2834 | { |
2835 | if (from_tty) | |
2836 | { | |
2837 | if (input_radix == output_radix) | |
2838 | { | |
6cb06a8c TT |
2839 | gdb_printf (_("Input and output radices set to " |
2840 | "decimal %u, hex %x, octal %o.\n"), | |
2841 | input_radix, input_radix, input_radix); | |
c906108c SS |
2842 | } |
2843 | else | |
2844 | { | |
6cb06a8c TT |
2845 | gdb_printf (_("Input radix set to decimal " |
2846 | "%u, hex %x, octal %o.\n"), | |
2847 | input_radix, input_radix, input_radix); | |
2848 | gdb_printf (_("Output radix set to decimal " | |
2849 | "%u, hex %x, octal %o.\n"), | |
2850 | output_radix, output_radix, output_radix); | |
c906108c SS |
2851 | } |
2852 | } | |
2853 | } | |
c906108c | 2854 | \f |
c5aa993b | 2855 | |
7d8062de PA |
2856 | /* Controls printing of vtbl's. */ |
2857 | static void | |
2858 | show_vtblprint (struct ui_file *file, int from_tty, | |
2859 | struct cmd_list_element *c, const char *value) | |
2860 | { | |
6cb06a8c | 2861 | gdb_printf (file, _("\ |
7d8062de | 2862 | Printing of C++ virtual function tables is %s.\n"), |
6cb06a8c | 2863 | value); |
7d8062de PA |
2864 | } |
2865 | ||
2866 | /* Controls looking up an object's derived type using what we find in | |
2867 | its vtables. */ | |
2868 | static void | |
2869 | show_objectprint (struct ui_file *file, int from_tty, | |
2870 | struct cmd_list_element *c, | |
2871 | const char *value) | |
2872 | { | |
6cb06a8c | 2873 | gdb_printf (file, _("\ |
7d8062de | 2874 | Printing of object's derived type based on vtable info is %s.\n"), |
6cb06a8c | 2875 | value); |
7d8062de PA |
2876 | } |
2877 | ||
2878 | static void | |
2879 | show_static_field_print (struct ui_file *file, int from_tty, | |
2880 | struct cmd_list_element *c, | |
2881 | const char *value) | |
2882 | { | |
6cb06a8c TT |
2883 | gdb_printf (file, |
2884 | _("Printing of C++ static members is %s.\n"), | |
2885 | value); | |
7d8062de PA |
2886 | } |
2887 | ||
c906108c | 2888 | \f |
7d8062de PA |
2889 | |
2890 | /* A couple typedefs to make writing the options a bit more | |
2891 | convenient. */ | |
2892 | using boolean_option_def | |
2893 | = gdb::option::boolean_option_def<value_print_options>; | |
2894 | using uinteger_option_def | |
2895 | = gdb::option::uinteger_option_def<value_print_options>; | |
7aeb03e2 MR |
2896 | using pinteger_option_def |
2897 | = gdb::option::pinteger_option_def<value_print_options>; | |
7d8062de | 2898 | |
76b58849 AB |
2899 | /* Extra literals supported with the `set print characters' and |
2900 | `print -characters' commands. */ | |
2901 | static const literal_def print_characters_literals[] = | |
2902 | { | |
2903 | { "elements", PRINT_MAX_CHARS_ELEMENTS }, | |
2904 | { "unlimited", PRINT_MAX_CHARS_UNLIMITED, 0 }, | |
2905 | { nullptr } | |
2906 | }; | |
2907 | ||
85102364 | 2908 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
2909 | commands. */ |
2910 | static const gdb::option::option_def value_print_option_defs[] = { | |
2911 | ||
2912 | boolean_option_def { | |
2913 | "address", | |
2914 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
2915 | show_addressprint, /* show_cmd_cb */ | |
2916 | N_("Set printing of addresses."), | |
2917 | N_("Show printing of addresses."), | |
2918 | NULL, /* help_doc */ | |
2919 | }, | |
2920 | ||
2921 | boolean_option_def { | |
2922 | "array", | |
2923 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
2924 | show_prettyformat_arrays, /* show_cmd_cb */ | |
2925 | N_("Set pretty formatting of arrays."), | |
2926 | N_("Show pretty formatting of arrays."), | |
2927 | NULL, /* help_doc */ | |
2928 | }, | |
2929 | ||
2930 | boolean_option_def { | |
2931 | "array-indexes", | |
2932 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
2933 | show_print_array_indexes, /* show_cmd_cb */ | |
2934 | N_("Set printing of array indexes."), | |
590042fc | 2935 | N_("Show printing of array indexes."), |
7d8062de PA |
2936 | NULL, /* help_doc */ |
2937 | }, | |
2938 | ||
21a527df EL |
2939 | boolean_option_def { |
2940 | "nibbles", | |
2941 | [] (value_print_options *opt) { return &opt->nibblesprint; }, | |
2942 | show_nibbles, /* show_cmd_cb */ | |
2943 | N_("Set whether to print binary values in groups of four bits."), | |
2944 | N_("Show whether to print binary values in groups of four bits."), | |
2945 | NULL, /* help_doc */ | |
2946 | }, | |
2947 | ||
76b58849 AB |
2948 | uinteger_option_def { |
2949 | "characters", | |
2950 | [] (value_print_options *opt) { return &opt->print_max_chars; }, | |
2951 | print_characters_literals, | |
2952 | show_print_max_chars, /* show_cmd_cb */ | |
2953 | N_("Set limit on string chars to print."), | |
2954 | N_("Show limit on string chars to print."), | |
2955 | N_("\"elements\" causes the array element limit to be used.\n" | |
2956 | "\"unlimited\" causes there to be no limit."), | |
2957 | }, | |
2958 | ||
7d8062de PA |
2959 | uinteger_option_def { |
2960 | "elements", | |
2961 | [] (value_print_options *opt) { return &opt->print_max; }, | |
7aeb03e2 | 2962 | uinteger_unlimited_literals, |
7d8062de | 2963 | show_print_max, /* show_cmd_cb */ |
76b58849 AB |
2964 | N_("Set limit on array elements to print."), |
2965 | N_("Show limit on array elements to print."), | |
2966 | N_("\"unlimited\" causes there to be no limit.\n" | |
2967 | "This setting also applies to string chars when \"print characters\"\n" | |
2968 | "is set to \"elements\"."), | |
7d8062de PA |
2969 | }, |
2970 | ||
7aeb03e2 | 2971 | pinteger_option_def { |
7d8062de PA |
2972 | "max-depth", |
2973 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
7aeb03e2 | 2974 | pinteger_unlimited_literals, |
7d8062de PA |
2975 | show_print_max_depth, /* show_cmd_cb */ |
2976 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
2977 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
2978 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
2979 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
2980 | Use \"unlimited\" to print the complete structure.") | |
2981 | }, | |
2982 | ||
bef382e6 LM |
2983 | boolean_option_def { |
2984 | "memory-tag-violations", | |
2985 | [] (value_print_options *opt) { return &opt->memory_tag_violations; }, | |
2986 | show_memory_tag_violations, /* show_cmd_cb */ | |
2987 | N_("Set printing of memory tag violations for pointers."), | |
2988 | N_("Show printing of memory tag violations for pointers."), | |
2989 | N_("Issue a warning when the printed value is a pointer\n\ | |
2990 | whose logical tag doesn't match the allocation tag of the memory\n\ | |
2991 | location it points to."), | |
2992 | }, | |
2993 | ||
7d8062de PA |
2994 | boolean_option_def { |
2995 | "null-stop", | |
2996 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
2997 | show_stop_print_at_null, /* show_cmd_cb */ | |
2998 | N_("Set printing of char arrays to stop at first null char."), | |
2999 | N_("Show printing of char arrays to stop at first null char."), | |
3000 | NULL, /* help_doc */ | |
3001 | }, | |
3002 | ||
3003 | boolean_option_def { | |
3004 | "object", | |
3005 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
3006 | show_objectprint, /* show_cmd_cb */ | |
3007 | _("Set printing of C++ virtual function tables."), | |
3008 | _("Show printing of C++ virtual function tables."), | |
3009 | NULL, /* help_doc */ | |
3010 | }, | |
3011 | ||
3012 | boolean_option_def { | |
3013 | "pretty", | |
3014 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
3015 | show_prettyformat_structs, /* show_cmd_cb */ | |
3016 | N_("Set pretty formatting of structures."), | |
3017 | N_("Show pretty formatting of structures."), | |
3018 | NULL, /* help_doc */ | |
3019 | }, | |
3020 | ||
d8edc8b7 PW |
3021 | boolean_option_def { |
3022 | "raw-values", | |
3023 | [] (value_print_options *opt) { return &opt->raw; }, | |
3024 | NULL, /* show_cmd_cb */ | |
3025 | N_("Set whether to print values in raw form."), | |
3026 | N_("Show whether to print values in raw form."), | |
3027 | N_("If set, values are printed in raw form, bypassing any\n\ | |
3028 | pretty-printers for that value.") | |
3029 | }, | |
3030 | ||
7d8062de PA |
3031 | uinteger_option_def { |
3032 | "repeats", | |
3033 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
7aeb03e2 | 3034 | uinteger_unlimited_literals, |
7d8062de PA |
3035 | show_repeat_count_threshold, /* show_cmd_cb */ |
3036 | N_("Set threshold for repeated print elements."), | |
3037 | N_("Show threshold for repeated print elements."), | |
3038 | N_("\"unlimited\" causes all elements to be individually printed."), | |
3039 | }, | |
3040 | ||
3041 | boolean_option_def { | |
3042 | "static-members", | |
3043 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
3044 | show_static_field_print, /* show_cmd_cb */ | |
3045 | N_("Set printing of C++ static members."), | |
3046 | N_("Show printing of C++ static members."), | |
3047 | NULL, /* help_doc */ | |
3048 | }, | |
3049 | ||
3050 | boolean_option_def { | |
3051 | "symbol", | |
3052 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
3053 | show_symbol_print, /* show_cmd_cb */ | |
3054 | N_("Set printing of symbol names when printing pointers."), | |
3055 | N_("Show printing of symbol names when printing pointers."), | |
3056 | NULL, /* help_doc */ | |
3057 | }, | |
3058 | ||
3059 | boolean_option_def { | |
3060 | "union", | |
3061 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
3062 | show_unionprint, /* show_cmd_cb */ | |
3063 | N_("Set printing of unions interior to structures."), | |
3064 | N_("Show printing of unions interior to structures."), | |
3065 | NULL, /* help_doc */ | |
3066 | }, | |
3067 | ||
3068 | boolean_option_def { | |
3069 | "vtbl", | |
3070 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3071 | show_vtblprint, /* show_cmd_cb */ | |
3072 | N_("Set printing of C++ virtual function tables."), | |
3073 | N_("Show printing of C++ virtual function tables."), | |
3074 | NULL, /* help_doc */ | |
3075 | }, | |
3076 | }; | |
3077 | ||
3078 | /* See valprint.h. */ | |
3079 | ||
3080 | gdb::option::option_def_group | |
3081 | make_value_print_options_def_group (value_print_options *opts) | |
3082 | { | |
3083 | return {{value_print_option_defs}, opts}; | |
3084 | } | |
3085 | ||
c9bd9859 SV |
3086 | #if GDB_SELF_TEST |
3087 | ||
3088 | /* Test printing of TYPE_CODE_FLAGS values. */ | |
3089 | ||
3090 | static void | |
3091 | test_print_flags (gdbarch *arch) | |
3092 | { | |
3093 | type *flags_type = arch_flags_type (arch, "test_type", 32); | |
3094 | type *field_type = builtin_type (arch)->builtin_uint32; | |
3095 | ||
3096 | /* Value: 1010 1010 | |
3097 | Fields: CCCB BAAA */ | |
3098 | append_flags_type_field (flags_type, 0, 3, field_type, "A"); | |
3099 | append_flags_type_field (flags_type, 3, 2, field_type, "B"); | |
3100 | append_flags_type_field (flags_type, 5, 3, field_type, "C"); | |
3101 | ||
3102 | value *val = allocate_value (flags_type); | |
50888e42 | 3103 | gdb_byte *contents = value_contents_writeable (val).data (); |
c9bd9859 SV |
3104 | store_unsigned_integer (contents, 4, gdbarch_byte_order (arch), 0xaa); |
3105 | ||
3106 | string_file out; | |
3107 | val_print_type_code_flags (flags_type, val, 0, &out); | |
3108 | SELF_CHECK (out.string () == "[ A=2 B=1 C=5 ]"); | |
3109 | } | |
3110 | ||
3111 | #endif | |
3112 | ||
6c265988 | 3113 | void _initialize_valprint (); |
c906108c | 3114 | void |
6c265988 | 3115 | _initialize_valprint () |
c906108c | 3116 | { |
c9bd9859 SV |
3117 | #if GDB_SELF_TEST |
3118 | selftests::register_test_foreach_arch ("print-flags", test_print_flags); | |
3119 | #endif | |
3120 | ||
f54bdb6d SM |
3121 | set_show_commands setshow_print_cmds |
3122 | = add_setshow_prefix_cmd ("print", no_class, | |
3123 | _("Generic command for setting how things print."), | |
3124 | _("Generic command for showing print settings."), | |
3125 | &setprintlist, &showprintlist, | |
3126 | &setlist, &showlist); | |
3127 | add_alias_cmd ("p", setshow_print_cmds.set, no_class, 1, &setlist); | |
581e13c1 | 3128 | /* Prefer set print to set prompt. */ |
f54bdb6d SM |
3129 | add_alias_cmd ("pr", setshow_print_cmds.set, no_class, 1, &setlist); |
3130 | add_alias_cmd ("p", setshow_print_cmds.show, no_class, 1, &showlist); | |
3131 | add_alias_cmd ("pr", setshow_print_cmds.show, no_class, 1, &showlist); | |
3132 | ||
3133 | set_show_commands setshow_print_raw_cmds | |
3134 | = add_setshow_prefix_cmd | |
3135 | ("raw", no_class, | |
3136 | _("Generic command for setting what things to print in \"raw\" mode."), | |
3137 | _("Generic command for showing \"print raw\" settings."), | |
3138 | &setprintrawlist, &showprintrawlist, &setprintlist, &showprintlist); | |
3139 | deprecate_cmd (setshow_print_raw_cmds.set, nullptr); | |
3140 | deprecate_cmd (setshow_print_raw_cmds.show, nullptr); | |
e7045703 | 3141 | |
7d8062de PA |
3142 | gdb::option::add_setshow_cmds_for_options |
3143 | (class_support, &user_print_options, value_print_option_defs, | |
3144 | &setprintlist, &showprintlist); | |
9cb709b6 | 3145 | |
1e8fb976 PA |
3146 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3147 | _("\ | |
35096d9d AC |
3148 | Set default input radix for entering numbers."), _("\ |
3149 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3150 | set_input_radix, |
3151 | show_input_radix, | |
3152 | &setlist, &showlist); | |
35096d9d | 3153 | |
1e8fb976 PA |
3154 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3155 | _("\ | |
35096d9d AC |
3156 | Set default output radix for printing of values."), _("\ |
3157 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3158 | set_output_radix, |
3159 | show_output_radix, | |
3160 | &setlist, &showlist); | |
c906108c | 3161 | |
cb1a6d5f AC |
3162 | /* The "set radix" and "show radix" commands are special in that |
3163 | they are like normal set and show commands but allow two normally | |
3164 | independent variables to be either set or shown with a single | |
b66df561 | 3165 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3166 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3167 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3168 | longer true - show can display anything. */ | |
1a966eab AC |
3169 | add_cmd ("radix", class_support, set_radix, _("\ |
3170 | Set default input and output number radices.\n\ | |
c906108c | 3171 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3172 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3173 | &setlist); |
1a966eab AC |
3174 | add_cmd ("radix", class_support, show_radix, _("\ |
3175 | Show the default input and output number radices.\n\ | |
3176 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3177 | &showlist); |
c906108c | 3178 | } |