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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
4a94e368 | 3 | Copyright (C) 1986-2022 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 | ||
581e13c1 | 97 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
2e62ab40 | 98 | #define PRINT_MAX_DEPTH_DEFAULT 20 /* Start print_max_depth off at this value. */ |
79a45b7d TT |
99 | |
100 | struct value_print_options user_print_options = | |
101 | { | |
2a998fc0 DE |
102 | Val_prettyformat_default, /* prettyformat */ |
103 | 0, /* prettyformat_arrays */ | |
104 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
105 | 0, /* vtblprint */ |
106 | 1, /* unionprint */ | |
107 | 1, /* addressprint */ | |
21a527df | 108 | false, /* nibblesprint */ |
79a45b7d TT |
109 | 0, /* objectprint */ |
110 | PRINT_MAX_DEFAULT, /* print_max */ | |
111 | 10, /* repeat_count_threshold */ | |
112 | 0, /* output_format */ | |
113 | 0, /* format */ | |
bef382e6 | 114 | 1, /* memory_tag_violations */ |
79a45b7d | 115 | 0, /* stop_print_at_null */ |
79a45b7d TT |
116 | 0, /* print_array_indexes */ |
117 | 0, /* deref_ref */ | |
118 | 1, /* static_field_print */ | |
a6bac58e TT |
119 | 1, /* pascal_static_field_print */ |
120 | 0, /* raw */ | |
9cb709b6 | 121 | 0, /* summary */ |
2e62ab40 | 122 | 1, /* symbol_print */ |
000439d5 | 123 | PRINT_MAX_DEPTH_DEFAULT, /* max_depth */ |
79a45b7d TT |
124 | }; |
125 | ||
126 | /* Initialize *OPTS to be a copy of the user print options. */ | |
127 | void | |
128 | get_user_print_options (struct value_print_options *opts) | |
129 | { | |
130 | *opts = user_print_options; | |
131 | } | |
132 | ||
133 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 134 | pretty-formatting disabled. */ |
79a45b7d | 135 | void |
2a998fc0 | 136 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
137 | { |
138 | *opts = user_print_options; | |
2a998fc0 | 139 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
140 | } |
141 | ||
142 | /* Initialize *OPTS to be a copy of the user print options, but using | |
143 | FORMAT as the formatting option. */ | |
144 | void | |
145 | get_formatted_print_options (struct value_print_options *opts, | |
146 | char format) | |
147 | { | |
148 | *opts = user_print_options; | |
149 | opts->format = format; | |
150 | } | |
151 | ||
920d2a44 AC |
152 | static void |
153 | show_print_max (struct ui_file *file, int from_tty, | |
154 | struct cmd_list_element *c, const char *value) | |
155 | { | |
6cb06a8c TT |
156 | gdb_printf (file, |
157 | _("Limit on string chars or array " | |
158 | "elements to print is %s.\n"), | |
159 | value); | |
920d2a44 AC |
160 | } |
161 | ||
c906108c SS |
162 | |
163 | /* Default input and output radixes, and output format letter. */ | |
164 | ||
165 | unsigned input_radix = 10; | |
920d2a44 AC |
166 | static void |
167 | show_input_radix (struct ui_file *file, int from_tty, | |
168 | struct cmd_list_element *c, const char *value) | |
169 | { | |
6cb06a8c TT |
170 | gdb_printf (file, |
171 | _("Default input radix for entering numbers is %s.\n"), | |
172 | value); | |
920d2a44 AC |
173 | } |
174 | ||
c906108c | 175 | unsigned output_radix = 10; |
920d2a44 AC |
176 | static void |
177 | show_output_radix (struct ui_file *file, int from_tty, | |
178 | struct cmd_list_element *c, const char *value) | |
179 | { | |
6cb06a8c TT |
180 | gdb_printf (file, |
181 | _("Default output radix for printing of values is %s.\n"), | |
182 | value); | |
920d2a44 | 183 | } |
c906108c | 184 | |
e79af960 JB |
185 | /* By default we print arrays without printing the index of each element in |
186 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
187 | ||
e79af960 JB |
188 | static void |
189 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
dda83cd7 | 190 | struct cmd_list_element *c, const char *value) |
e79af960 | 191 | { |
6cb06a8c | 192 | gdb_printf (file, _("Printing of array indexes is %s.\n"), value); |
e79af960 JB |
193 | } |
194 | ||
c906108c SS |
195 | /* Print repeat counts if there are more than this many repetitions of an |
196 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 197 | print routines. */ |
c906108c | 198 | |
920d2a44 AC |
199 | static void |
200 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
201 | struct cmd_list_element *c, const char *value) | |
202 | { | |
6cb06a8c TT |
203 | gdb_printf (file, _("Threshold for repeated print elements is %s.\n"), |
204 | value); | |
920d2a44 | 205 | } |
c906108c | 206 | |
bef382e6 LM |
207 | /* If nonzero, prints memory tag violations for pointers. */ |
208 | ||
209 | static void | |
210 | show_memory_tag_violations (struct ui_file *file, int from_tty, | |
211 | struct cmd_list_element *c, const char *value) | |
212 | { | |
6cb06a8c TT |
213 | gdb_printf (file, |
214 | _("Printing of memory tag violations is %s.\n"), | |
215 | value); | |
bef382e6 LM |
216 | } |
217 | ||
581e13c1 | 218 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 219 | |
920d2a44 AC |
220 | static void |
221 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
222 | struct cmd_list_element *c, const char *value) | |
223 | { | |
6cb06a8c TT |
224 | gdb_printf (file, |
225 | _("Printing of char arrays to stop " | |
226 | "at first null char is %s.\n"), | |
227 | value); | |
920d2a44 | 228 | } |
c906108c | 229 | |
581e13c1 | 230 | /* Controls pretty printing of structures. */ |
c906108c | 231 | |
920d2a44 | 232 | static void |
2a998fc0 | 233 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
234 | struct cmd_list_element *c, const char *value) |
235 | { | |
6cb06a8c | 236 | gdb_printf (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 237 | } |
c906108c SS |
238 | |
239 | /* Controls pretty printing of arrays. */ | |
240 | ||
920d2a44 | 241 | static void |
2a998fc0 | 242 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
243 | struct cmd_list_element *c, const char *value) |
244 | { | |
6cb06a8c | 245 | gdb_printf (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 246 | } |
c906108c SS |
247 | |
248 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 249 | printed. */ |
c906108c | 250 | |
920d2a44 AC |
251 | static void |
252 | show_unionprint (struct ui_file *file, int from_tty, | |
253 | struct cmd_list_element *c, const char *value) | |
254 | { | |
6cb06a8c TT |
255 | gdb_printf (file, |
256 | _("Printing of unions interior to structures is %s.\n"), | |
257 | value); | |
920d2a44 | 258 | } |
c906108c | 259 | |
21a527df EL |
260 | /* Controls the format of printing binary values. */ |
261 | ||
262 | static void | |
263 | show_nibbles (struct ui_file *file, int from_tty, | |
264 | struct cmd_list_element *c, const char *value) | |
265 | { | |
266 | gdb_printf (file, | |
267 | _("Printing binary values in groups is %s.\n"), | |
268 | value); | |
269 | } | |
270 | ||
581e13c1 | 271 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 272 | |
920d2a44 AC |
273 | static void |
274 | show_addressprint (struct ui_file *file, int from_tty, | |
275 | struct cmd_list_element *c, const char *value) | |
276 | { | |
6cb06a8c | 277 | gdb_printf (file, _("Printing of addresses is %s.\n"), value); |
920d2a44 | 278 | } |
9cb709b6 TT |
279 | |
280 | static void | |
281 | show_symbol_print (struct ui_file *file, int from_tty, | |
282 | struct cmd_list_element *c, const char *value) | |
283 | { | |
6cb06a8c TT |
284 | gdb_printf (file, |
285 | _("Printing of symbols when printing pointers is %s.\n"), | |
286 | value); | |
9cb709b6 TT |
287 | } |
288 | ||
c906108c | 289 | \f |
c5aa993b | 290 | |
a6bac58e TT |
291 | /* A helper function for val_print. When printing in "summary" mode, |
292 | we want to print scalar arguments, but not aggregate arguments. | |
293 | This function distinguishes between the two. */ | |
294 | ||
6211c335 YQ |
295 | int |
296 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 297 | { |
f168693b | 298 | type = check_typedef (type); |
aa006118 | 299 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e | 300 | { |
27710edb | 301 | type = type->target_type (); |
f168693b | 302 | type = check_typedef (type); |
a6bac58e | 303 | } |
78134374 | 304 | switch (type->code ()) |
a6bac58e TT |
305 | { |
306 | case TYPE_CODE_ARRAY: | |
307 | case TYPE_CODE_STRUCT: | |
308 | case TYPE_CODE_UNION: | |
309 | case TYPE_CODE_SET: | |
310 | case TYPE_CODE_STRING: | |
a6bac58e TT |
311 | return 0; |
312 | default: | |
313 | return 1; | |
314 | } | |
315 | } | |
316 | ||
2e62ab40 AB |
317 | /* A helper function for val_print. When printing with limited depth we |
318 | want to print string and scalar arguments, but not aggregate arguments. | |
319 | This function distinguishes between the two. */ | |
320 | ||
321 | static bool | |
322 | val_print_scalar_or_string_type_p (struct type *type, | |
323 | const struct language_defn *language) | |
324 | { | |
325 | return (val_print_scalar_type_p (type) | |
39e7ecca | 326 | || language->is_string_type_p (type)); |
2e62ab40 AB |
327 | } |
328 | ||
2677f2d3 | 329 | /* See valprint.h. */ |
0e03807e | 330 | |
a72c8f6a | 331 | int |
0e03807e TT |
332 | valprint_check_validity (struct ui_file *stream, |
333 | struct type *type, | |
6b850546 | 334 | LONGEST embedded_offset, |
0e03807e TT |
335 | const struct value *val) |
336 | { | |
f168693b | 337 | type = check_typedef (type); |
0e03807e | 338 | |
3f2f83dd KB |
339 | if (type_not_associated (type)) |
340 | { | |
341 | val_print_not_associated (stream); | |
342 | return 0; | |
343 | } | |
344 | ||
345 | if (type_not_allocated (type)) | |
346 | { | |
347 | val_print_not_allocated (stream); | |
348 | return 0; | |
349 | } | |
350 | ||
78134374 SM |
351 | if (type->code () != TYPE_CODE_UNION |
352 | && type->code () != TYPE_CODE_STRUCT | |
353 | && type->code () != TYPE_CODE_ARRAY) | |
0e03807e | 354 | { |
9a0dc9e3 PA |
355 | if (value_bits_any_optimized_out (val, |
356 | TARGET_CHAR_BIT * embedded_offset, | |
df86565b | 357 | TARGET_CHAR_BIT * type->length ())) |
0e03807e | 358 | { |
901461f8 | 359 | val_print_optimized_out (val, stream); |
0e03807e TT |
360 | return 0; |
361 | } | |
8cf6f0b1 | 362 | |
4e07d55f | 363 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
df86565b | 364 | TARGET_CHAR_BIT * type->length ())) |
8cf6f0b1 | 365 | { |
78134374 | 366 | const int is_ref = type->code () == TYPE_CODE_REF; |
3326303b MG |
367 | int ref_is_addressable = 0; |
368 | ||
369 | if (is_ref) | |
370 | { | |
371 | const struct value *deref_val = coerce_ref_if_computed (val); | |
372 | ||
373 | if (deref_val != NULL) | |
374 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
375 | } | |
376 | ||
377 | if (!is_ref || !ref_is_addressable) | |
7f6aba03 TT |
378 | fputs_styled (_("<synthetic pointer>"), metadata_style.style (), |
379 | stream); | |
3326303b MG |
380 | |
381 | /* C++ references should be valid even if they're synthetic. */ | |
382 | return is_ref; | |
8cf6f0b1 | 383 | } |
4e07d55f | 384 | |
df86565b | 385 | if (!value_bytes_available (val, embedded_offset, type->length ())) |
4e07d55f PA |
386 | { |
387 | val_print_unavailable (stream); | |
388 | return 0; | |
389 | } | |
0e03807e TT |
390 | } |
391 | ||
392 | return 1; | |
393 | } | |
394 | ||
585fdaa1 | 395 | void |
901461f8 | 396 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 397 | { |
901461f8 | 398 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 399 | val_print_not_saved (stream); |
901461f8 | 400 | else |
7f6aba03 | 401 | fprintf_styled (stream, metadata_style.style (), _("<optimized out>")); |
585fdaa1 PA |
402 | } |
403 | ||
782d47df PA |
404 | void |
405 | val_print_not_saved (struct ui_file *stream) | |
406 | { | |
7f6aba03 | 407 | fprintf_styled (stream, metadata_style.style (), _("<not saved>")); |
782d47df PA |
408 | } |
409 | ||
4e07d55f PA |
410 | void |
411 | val_print_unavailable (struct ui_file *stream) | |
412 | { | |
7f6aba03 | 413 | fprintf_styled (stream, metadata_style.style (), _("<unavailable>")); |
4e07d55f PA |
414 | } |
415 | ||
8af8e3bc PA |
416 | void |
417 | val_print_invalid_address (struct ui_file *stream) | |
418 | { | |
7f6aba03 | 419 | fprintf_styled (stream, metadata_style.style (), _("<invalid address>")); |
8af8e3bc PA |
420 | } |
421 | ||
9f436164 SM |
422 | /* Print a pointer based on the type of its target. |
423 | ||
424 | Arguments to this functions are roughly the same as those in | |
425 | generic_val_print. A difference is that ADDRESS is the address to print, | |
426 | with embedded_offset already added. ELTTYPE represents | |
427 | the pointed type after check_typedef. */ | |
428 | ||
429 | static void | |
430 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
431 | CORE_ADDR address, struct ui_file *stream, | |
432 | const struct value_print_options *options) | |
433 | { | |
8ee511af | 434 | struct gdbarch *gdbarch = type->arch (); |
9f436164 | 435 | |
78134374 | 436 | if (elttype->code () == TYPE_CODE_FUNC) |
9f436164 SM |
437 | { |
438 | /* Try to print what function it points to. */ | |
439 | print_function_pointer_address (options, gdbarch, address, stream); | |
440 | return; | |
441 | } | |
442 | ||
443 | if (options->symbol_print) | |
444 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
445 | else if (options->addressprint) | |
0426ad51 | 446 | gdb_puts (paddress (gdbarch, address), stream); |
9f436164 SM |
447 | } |
448 | ||
557dbe8a SM |
449 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
450 | ||
451 | static void | |
426a9c18 | 452 | generic_val_print_array (struct value *val, |
00272ec4 | 453 | struct ui_file *stream, int recurse, |
00272ec4 TT |
454 | const struct value_print_options *options, |
455 | const struct | |
456 | generic_val_print_decorations *decorations) | |
557dbe8a | 457 | { |
426a9c18 | 458 | struct type *type = check_typedef (value_type (val)); |
27710edb | 459 | struct type *unresolved_elttype = type->target_type (); |
557dbe8a SM |
460 | struct type *elttype = check_typedef (unresolved_elttype); |
461 | ||
df86565b | 462 | if (type->length () > 0 && unresolved_elttype->length () > 0) |
557dbe8a SM |
463 | { |
464 | LONGEST low_bound, high_bound; | |
465 | ||
466 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
467 | error (_("Could not determine the array high bound")); | |
468 | ||
0426ad51 | 469 | gdb_puts (decorations->array_start, stream); |
426a9c18 | 470 | value_print_array_elements (val, stream, recurse, options, 0); |
0426ad51 | 471 | gdb_puts (decorations->array_end, stream); |
557dbe8a SM |
472 | } |
473 | else | |
474 | { | |
475 | /* Array of unspecified length: treat like pointer to first elt. */ | |
426a9c18 TT |
476 | print_unpacked_pointer (type, elttype, value_address (val), |
477 | stream, options); | |
557dbe8a SM |
478 | } |
479 | ||
480 | } | |
481 | ||
2a5b130b TT |
482 | /* generic_value_print helper for TYPE_CODE_PTR. */ |
483 | ||
484 | static void | |
485 | generic_value_print_ptr (struct value *val, struct ui_file *stream, | |
486 | const struct value_print_options *options) | |
487 | { | |
488 | ||
489 | if (options->format && options->format != 's') | |
490 | value_print_scalar_formatted (val, options, 0, stream); | |
491 | else | |
492 | { | |
493 | struct type *type = check_typedef (value_type (val)); | |
27710edb | 494 | struct type *elttype = check_typedef (type->target_type ()); |
50888e42 | 495 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
2a5b130b TT |
496 | CORE_ADDR addr = unpack_pointer (type, valaddr); |
497 | ||
498 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
499 | } | |
500 | } | |
501 | ||
45000ea2 | 502 | |
3326303b MG |
503 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
504 | ||
505 | static void | |
506 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
507 | int embedded_offset, struct ui_file *stream) | |
508 | { | |
8ee511af | 509 | struct gdbarch *gdbarch = type->arch (); |
3326303b MG |
510 | |
511 | if (address_buffer != NULL) | |
512 | { | |
513 | CORE_ADDR address | |
514 | = extract_typed_address (address_buffer + embedded_offset, type); | |
515 | ||
6cb06a8c | 516 | gdb_printf (stream, "@"); |
0426ad51 | 517 | gdb_puts (paddress (gdbarch, address), stream); |
3326303b MG |
518 | } |
519 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
520 | } | |
521 | ||
522 | /* If VAL is addressable, return the value contents buffer of a value that | |
523 | represents a pointer to VAL. Otherwise return NULL. */ | |
524 | ||
525 | static const gdb_byte * | |
526 | get_value_addr_contents (struct value *deref_val) | |
527 | { | |
528 | gdb_assert (deref_val != NULL); | |
529 | ||
530 | if (value_lval_const (deref_val) == lval_memory) | |
50888e42 | 531 | return value_contents_for_printing_const (value_addr (deref_val)).data (); |
3326303b MG |
532 | else |
533 | { | |
534 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
535 | return NULL; | |
536 | } | |
537 | } | |
538 | ||
aa006118 | 539 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
540 | |
541 | static void | |
e8b24d9f | 542 | generic_val_print_ref (struct type *type, |
fe43fede | 543 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 544 | struct value *original_value, |
fe43fede SM |
545 | const struct value_print_options *options) |
546 | { | |
27710edb | 547 | struct type *elttype = check_typedef (type->target_type ()); |
3326303b MG |
548 | struct value *deref_val = NULL; |
549 | const int value_is_synthetic | |
550 | = value_bits_synthetic_pointer (original_value, | |
551 | TARGET_CHAR_BIT * embedded_offset, | |
df86565b | 552 | TARGET_CHAR_BIT * type->length ()); |
3326303b MG |
553 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) |
554 | || options->deref_ref); | |
78134374 | 555 | const int type_is_defined = elttype->code () != TYPE_CODE_UNDEF; |
50888e42 | 556 | const gdb_byte *valaddr = value_contents_for_printing (original_value).data (); |
3326303b MG |
557 | |
558 | if (must_coerce_ref && type_is_defined) | |
559 | { | |
560 | deref_val = coerce_ref_if_computed (original_value); | |
561 | ||
562 | if (deref_val != NULL) | |
563 | { | |
564 | /* More complicated computed references are not supported. */ | |
565 | gdb_assert (embedded_offset == 0); | |
566 | } | |
567 | else | |
27710edb | 568 | deref_val = value_at (type->target_type (), |
3326303b MG |
569 | unpack_pointer (type, valaddr + embedded_offset)); |
570 | } | |
571 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
572 | the reference's contents. | |
573 | ||
574 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
575 | cause original_value to be a not_lval instead of an lval_computed, | |
576 | which will make value_bits_synthetic_pointer return false. | |
577 | This happens because if options->objectprint is true, c_value_print will | |
578 | overwrite original_value's contents with the result of coercing | |
579 | the reference through value_addr, and then set its type back to | |
580 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
581 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
582 | |
583 | if (options->addressprint) | |
584 | { | |
3326303b MG |
585 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
586 | ? get_value_addr_contents (deref_val) | |
587 | : valaddr); | |
588 | ||
589 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 590 | |
fe43fede | 591 | if (options->deref_ref) |
0426ad51 | 592 | gdb_puts (": ", stream); |
fe43fede | 593 | } |
3326303b | 594 | |
fe43fede SM |
595 | if (options->deref_ref) |
596 | { | |
3326303b MG |
597 | if (type_is_defined) |
598 | common_val_print (deref_val, stream, recurse, options, | |
599 | current_language); | |
fe43fede | 600 | else |
0426ad51 | 601 | gdb_puts ("???", stream); |
fe43fede SM |
602 | } |
603 | } | |
604 | ||
81516450 DE |
605 | /* Helper function for generic_val_print_enum. |
606 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
607 | |
608 | static void | |
81516450 DE |
609 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
610 | struct ui_file *stream) | |
ef0bc0dd SM |
611 | { |
612 | unsigned int i; | |
613 | unsigned int len; | |
ef0bc0dd | 614 | |
1f704f76 | 615 | len = type->num_fields (); |
ef0bc0dd SM |
616 | for (i = 0; i < len; i++) |
617 | { | |
618 | QUIT; | |
970db518 | 619 | if (val == type->field (i).loc_enumval ()) |
ef0bc0dd SM |
620 | { |
621 | break; | |
622 | } | |
623 | } | |
624 | if (i < len) | |
625 | { | |
33d16dd9 | 626 | fputs_styled (type->field (i).name (), variable_name_style.style (), |
3f0cbb04 | 627 | stream); |
ef0bc0dd | 628 | } |
0672875f | 629 | else if (type->is_flag_enum ()) |
ef0bc0dd SM |
630 | { |
631 | int first = 1; | |
632 | ||
6740f0cc SM |
633 | /* We have a "flag" enum, so we try to decompose it into pieces as |
634 | appropriate. The enum may have multiple enumerators representing | |
635 | the same bit, in which case we choose to only print the first one | |
636 | we find. */ | |
ef0bc0dd SM |
637 | for (i = 0; i < len; ++i) |
638 | { | |
639 | QUIT; | |
640 | ||
970db518 | 641 | ULONGEST enumval = type->field (i).loc_enumval (); |
edd45eb0 SM |
642 | int nbits = count_one_bits_ll (enumval); |
643 | ||
644 | gdb_assert (nbits == 0 || nbits == 1); | |
645 | ||
646 | if ((val & enumval) != 0) | |
ef0bc0dd | 647 | { |
373d7ac0 SM |
648 | if (first) |
649 | { | |
0426ad51 | 650 | gdb_puts ("(", stream); |
373d7ac0 SM |
651 | first = 0; |
652 | } | |
653 | else | |
0426ad51 | 654 | gdb_puts (" | ", stream); |
ef0bc0dd | 655 | |
970db518 | 656 | val &= ~type->field (i).loc_enumval (); |
33d16dd9 | 657 | fputs_styled (type->field (i).name (), |
3f0cbb04 | 658 | variable_name_style.style (), stream); |
ef0bc0dd SM |
659 | } |
660 | } | |
661 | ||
373d7ac0 | 662 | if (val != 0) |
ef0bc0dd | 663 | { |
373d7ac0 SM |
664 | /* There are leftover bits, print them. */ |
665 | if (first) | |
0426ad51 | 666 | gdb_puts ("(", stream); |
373d7ac0 | 667 | else |
0426ad51 | 668 | gdb_puts (" | ", stream); |
373d7ac0 | 669 | |
0426ad51 | 670 | gdb_puts ("unknown: 0x", stream); |
b29a2df0 | 671 | print_longest (stream, 'x', 0, val); |
0426ad51 | 672 | gdb_puts (")", stream); |
373d7ac0 SM |
673 | } |
674 | else if (first) | |
675 | { | |
676 | /* Nothing has been printed and the value is 0, the enum value must | |
677 | have been 0. */ | |
0426ad51 | 678 | gdb_puts ("0", stream); |
373d7ac0 SM |
679 | } |
680 | else | |
681 | { | |
682 | /* Something has been printed, close the parenthesis. */ | |
0426ad51 | 683 | gdb_puts (")", stream); |
ef0bc0dd | 684 | } |
ef0bc0dd SM |
685 | } |
686 | else | |
687 | print_longest (stream, 'd', 0, val); | |
688 | } | |
689 | ||
81516450 DE |
690 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
691 | ||
692 | static void | |
e8b24d9f | 693 | generic_val_print_enum (struct type *type, |
81516450 | 694 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 695 | struct value *original_value, |
81516450 DE |
696 | const struct value_print_options *options) |
697 | { | |
698 | LONGEST val; | |
8ee511af | 699 | struct gdbarch *gdbarch = type->arch (); |
81516450 DE |
700 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); |
701 | ||
40f3ce18 | 702 | gdb_assert (!options->format); |
e8b24d9f | 703 | |
50888e42 | 704 | const gdb_byte *valaddr = value_contents_for_printing (original_value).data (); |
81516450 | 705 | |
40f3ce18 TT |
706 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
707 | ||
708 | generic_val_print_enum_1 (type, val, stream); | |
81516450 DE |
709 | } |
710 | ||
4a8c372f SM |
711 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
712 | ||
713 | static void | |
e8b24d9f | 714 | generic_val_print_func (struct type *type, |
4a8c372f SM |
715 | int embedded_offset, CORE_ADDR address, |
716 | struct ui_file *stream, | |
e8b24d9f | 717 | struct value *original_value, |
4a8c372f SM |
718 | const struct value_print_options *options) |
719 | { | |
8ee511af | 720 | struct gdbarch *gdbarch = type->arch (); |
4a8c372f | 721 | |
4112d2e6 TT |
722 | gdb_assert (!options->format); |
723 | ||
724 | /* FIXME, we should consider, at least for ANSI C language, | |
725 | eliminating the distinction made between FUNCs and POINTERs to | |
726 | FUNCs. */ | |
6cb06a8c | 727 | gdb_printf (stream, "{"); |
4112d2e6 | 728 | type_print (type, "", stream, -1); |
6cb06a8c | 729 | gdb_printf (stream, "} "); |
4112d2e6 TT |
730 | /* Try to print what function it points to, and its address. */ |
731 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
4a8c372f SM |
732 | } |
733 | ||
6dde7521 TT |
734 | /* generic_value_print helper for TYPE_CODE_BOOL. */ |
735 | ||
736 | static void | |
737 | generic_value_print_bool | |
738 | (struct value *value, struct ui_file *stream, | |
739 | const struct value_print_options *options, | |
740 | const struct generic_val_print_decorations *decorations) | |
741 | { | |
742 | if (options->format || options->output_format) | |
743 | { | |
744 | struct value_print_options opts = *options; | |
745 | opts.format = (options->format ? options->format | |
746 | : options->output_format); | |
747 | value_print_scalar_formatted (value, &opts, 0, stream); | |
748 | } | |
749 | else | |
750 | { | |
50888e42 | 751 | const gdb_byte *valaddr = value_contents_for_printing (value).data (); |
6dde7521 TT |
752 | struct type *type = check_typedef (value_type (value)); |
753 | LONGEST val = unpack_long (type, valaddr); | |
754 | if (val == 0) | |
0426ad51 | 755 | gdb_puts (decorations->false_name, stream); |
6dde7521 | 756 | else if (val == 1) |
0426ad51 | 757 | gdb_puts (decorations->true_name, stream); |
6dde7521 TT |
758 | else |
759 | print_longest (stream, 'd', 0, val); | |
760 | } | |
761 | } | |
762 | ||
fdddfccb TT |
763 | /* generic_value_print helper for TYPE_CODE_INT. */ |
764 | ||
765 | static void | |
766 | generic_value_print_int (struct value *val, struct ui_file *stream, | |
767 | const struct value_print_options *options) | |
768 | { | |
769 | struct value_print_options opts = *options; | |
770 | ||
771 | opts.format = (options->format ? options->format | |
772 | : options->output_format); | |
773 | value_print_scalar_formatted (val, &opts, 0, stream); | |
774 | } | |
775 | ||
3eec3b05 TT |
776 | /* generic_value_print helper for TYPE_CODE_CHAR. */ |
777 | ||
778 | static void | |
779 | generic_value_print_char (struct value *value, struct ui_file *stream, | |
780 | const struct value_print_options *options) | |
781 | { | |
782 | if (options->format || options->output_format) | |
783 | { | |
784 | struct value_print_options opts = *options; | |
785 | ||
786 | opts.format = (options->format ? options->format | |
787 | : options->output_format); | |
788 | value_print_scalar_formatted (value, &opts, 0, stream); | |
789 | } | |
790 | else | |
791 | { | |
792 | struct type *unresolved_type = value_type (value); | |
793 | struct type *type = check_typedef (unresolved_type); | |
50888e42 | 794 | const gdb_byte *valaddr = value_contents_for_printing (value).data (); |
3eec3b05 TT |
795 | |
796 | LONGEST val = unpack_long (type, valaddr); | |
c6d940a9 | 797 | if (type->is_unsigned ()) |
6cb06a8c | 798 | gdb_printf (stream, "%u", (unsigned int) val); |
3eec3b05 | 799 | else |
6cb06a8c | 800 | gdb_printf (stream, "%d", (int) val); |
0426ad51 | 801 | gdb_puts (" ", stream); |
362501dc | 802 | current_language->printchar (val, unresolved_type, stream); |
3eec3b05 TT |
803 | } |
804 | } | |
805 | ||
fdf0cbc2 | 806 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
807 | |
808 | static void | |
82836c92 | 809 | generic_val_print_float (struct type *type, struct ui_file *stream, |
e8b24d9f | 810 | struct value *original_value, |
7784724b SM |
811 | const struct value_print_options *options) |
812 | { | |
f5354008 | 813 | gdb_assert (!options->format); |
e8b24d9f | 814 | |
50888e42 | 815 | const gdb_byte *valaddr = value_contents_for_printing (original_value).data (); |
f5354008 | 816 | |
82836c92 | 817 | print_floating (valaddr, type, stream); |
7784724b SM |
818 | } |
819 | ||
09584414 JB |
820 | /* generic_val_print helper for TYPE_CODE_FIXED_POINT. */ |
821 | ||
822 | static void | |
823 | generic_val_print_fixed_point (struct value *val, struct ui_file *stream, | |
824 | const struct value_print_options *options) | |
825 | { | |
826 | if (options->format) | |
827 | value_print_scalar_formatted (val, options, 0, stream); | |
828 | else | |
829 | { | |
830 | struct type *type = value_type (val); | |
831 | ||
50888e42 | 832 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
09584414 JB |
833 | gdb_mpf f; |
834 | ||
df86565b | 835 | f.read_fixed_point (gdb::make_array_view (valaddr, type->length ()), |
09584414 | 836 | type_byte_order (type), type->is_unsigned (), |
e6fcee3a | 837 | type->fixed_point_scaling_factor ()); |
09584414 | 838 | |
df86565b | 839 | const char *fmt = type->length () < 4 ? "%.11Fg" : "%.17Fg"; |
987b6703 | 840 | std::string str = gmp_string_printf (fmt, f.val); |
6cb06a8c | 841 | gdb_printf (stream, "%s", str.c_str ()); |
09584414 JB |
842 | } |
843 | } | |
844 | ||
4f412b6e TT |
845 | /* generic_value_print helper for TYPE_CODE_COMPLEX. */ |
846 | ||
847 | static void | |
848 | generic_value_print_complex (struct value *val, struct ui_file *stream, | |
849 | const struct value_print_options *options, | |
850 | const struct generic_val_print_decorations | |
851 | *decorations) | |
852 | { | |
6cb06a8c | 853 | gdb_printf (stream, "%s", decorations->complex_prefix); |
4f412b6e | 854 | |
4c99290d | 855 | struct value *real_part = value_real_part (val); |
4f412b6e | 856 | value_print_scalar_formatted (real_part, options, 0, stream); |
6cb06a8c | 857 | gdb_printf (stream, "%s", decorations->complex_infix); |
4f412b6e | 858 | |
4c99290d | 859 | struct value *imag_part = value_imaginary_part (val); |
4f412b6e | 860 | value_print_scalar_formatted (imag_part, options, 0, stream); |
6cb06a8c | 861 | gdb_printf (stream, "%s", decorations->complex_suffix); |
4f412b6e TT |
862 | } |
863 | ||
6b5a7bc7 TT |
864 | /* generic_value_print helper for TYPE_CODE_MEMBERPTR. */ |
865 | ||
866 | static void | |
867 | generic_value_print_memberptr | |
868 | (struct value *val, struct ui_file *stream, | |
869 | int recurse, | |
870 | const struct value_print_options *options, | |
871 | const struct generic_val_print_decorations *decorations) | |
872 | { | |
873 | if (!options->format) | |
874 | { | |
875 | /* Member pointers are essentially specific to C++, and so if we | |
876 | encounter one, we should print it according to C++ rules. */ | |
877 | struct type *type = check_typedef (value_type (val)); | |
50888e42 | 878 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
6b5a7bc7 TT |
879 | cp_print_class_member (valaddr, type, stream, "&"); |
880 | } | |
881 | else | |
882 | generic_value_print (val, stream, recurse, options, decorations); | |
883 | } | |
884 | ||
156bfec9 TT |
885 | /* See valprint.h. */ |
886 | ||
887 | void | |
888 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
889 | const struct value_print_options *options, | |
890 | const struct generic_val_print_decorations *decorations) | |
891 | { | |
abc66ce9 | 892 | struct type *type = value_type (val); |
abc66ce9 TT |
893 | |
894 | type = check_typedef (type); | |
09584414 JB |
895 | |
896 | if (is_fixed_point_type (type)) | |
d19937a7 | 897 | type = type->fixed_point_type_base_type (); |
09584414 | 898 | |
79a07423 TT |
899 | /* Widen a subrange to its target type, then use that type's |
900 | printer. */ | |
901 | while (type->code () == TYPE_CODE_RANGE) | |
902 | { | |
27710edb | 903 | type = check_typedef (type->target_type ()); |
79a07423 TT |
904 | val = value_cast (type, val); |
905 | } | |
906 | ||
78134374 | 907 | switch (type->code ()) |
abc66ce9 TT |
908 | { |
909 | case TYPE_CODE_ARRAY: | |
426a9c18 | 910 | generic_val_print_array (val, stream, recurse, options, decorations); |
abc66ce9 TT |
911 | break; |
912 | ||
913 | case TYPE_CODE_MEMBERPTR: | |
6b5a7bc7 TT |
914 | generic_value_print_memberptr (val, stream, recurse, options, |
915 | decorations); | |
abc66ce9 TT |
916 | break; |
917 | ||
918 | case TYPE_CODE_PTR: | |
2a5b130b | 919 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
920 | break; |
921 | ||
922 | case TYPE_CODE_REF: | |
923 | case TYPE_CODE_RVALUE_REF: | |
924 | generic_val_print_ref (type, 0, stream, recurse, | |
925 | val, options); | |
926 | break; | |
927 | ||
928 | case TYPE_CODE_ENUM: | |
40f3ce18 TT |
929 | if (options->format) |
930 | value_print_scalar_formatted (val, options, 0, stream); | |
931 | else | |
932 | generic_val_print_enum (type, 0, stream, val, options); | |
abc66ce9 TT |
933 | break; |
934 | ||
935 | case TYPE_CODE_FLAGS: | |
65786af6 TT |
936 | if (options->format) |
937 | value_print_scalar_formatted (val, options, 0, stream); | |
938 | else | |
939 | val_print_type_code_flags (type, val, 0, stream); | |
abc66ce9 TT |
940 | break; |
941 | ||
942 | case TYPE_CODE_FUNC: | |
943 | case TYPE_CODE_METHOD: | |
4112d2e6 TT |
944 | if (options->format) |
945 | value_print_scalar_formatted (val, options, 0, stream); | |
946 | else | |
947 | generic_val_print_func (type, 0, value_address (val), stream, | |
948 | val, options); | |
abc66ce9 TT |
949 | break; |
950 | ||
951 | case TYPE_CODE_BOOL: | |
6dde7521 | 952 | generic_value_print_bool (val, stream, options, decorations); |
abc66ce9 TT |
953 | break; |
954 | ||
abc66ce9 | 955 | case TYPE_CODE_INT: |
fdddfccb | 956 | generic_value_print_int (val, stream, options); |
abc66ce9 TT |
957 | break; |
958 | ||
959 | case TYPE_CODE_CHAR: | |
3eec3b05 | 960 | generic_value_print_char (val, stream, options); |
abc66ce9 TT |
961 | break; |
962 | ||
963 | case TYPE_CODE_FLT: | |
964 | case TYPE_CODE_DECFLOAT: | |
f5354008 TT |
965 | if (options->format) |
966 | value_print_scalar_formatted (val, options, 0, stream); | |
967 | else | |
82836c92 | 968 | generic_val_print_float (type, stream, val, options); |
abc66ce9 TT |
969 | break; |
970 | ||
09584414 JB |
971 | case TYPE_CODE_FIXED_POINT: |
972 | generic_val_print_fixed_point (val, stream, options); | |
973 | break; | |
974 | ||
abc66ce9 | 975 | case TYPE_CODE_VOID: |
0426ad51 | 976 | gdb_puts (decorations->void_name, stream); |
abc66ce9 TT |
977 | break; |
978 | ||
979 | case TYPE_CODE_ERROR: | |
6cb06a8c | 980 | gdb_printf (stream, "%s", TYPE_ERROR_NAME (type)); |
abc66ce9 TT |
981 | break; |
982 | ||
983 | case TYPE_CODE_UNDEF: | |
984 | /* This happens (without TYPE_STUB set) on systems which don't use | |
dda83cd7 SM |
985 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
986 | and no complete type for struct foo in that file. */ | |
abc66ce9 TT |
987 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
988 | break; | |
989 | ||
990 | case TYPE_CODE_COMPLEX: | |
4f412b6e | 991 | generic_value_print_complex (val, stream, options, decorations); |
abc66ce9 TT |
992 | break; |
993 | ||
6b5a7bc7 | 994 | case TYPE_CODE_METHODPTR: |
50888e42 | 995 | cplus_print_method_ptr (value_contents_for_printing (val).data (), type, |
6b5a7bc7 TT |
996 | stream); |
997 | break; | |
998 | ||
abc66ce9 TT |
999 | case TYPE_CODE_UNION: |
1000 | case TYPE_CODE_STRUCT: | |
abc66ce9 TT |
1001 | default: |
1002 | error (_("Unhandled type code %d in symbol table."), | |
78134374 | 1003 | type->code ()); |
abc66ce9 | 1004 | } |
156bfec9 TT |
1005 | } |
1006 | ||
1a1bfce7 TT |
1007 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
1008 | to OPTIONS. | |
32b72a42 | 1009 | |
1a1bfce7 TT |
1010 | This is a preferable interface to val_print, above, because it uses |
1011 | GDB's value mechanism. */ | |
1012 | ||
1013 | void | |
1014 | common_val_print (struct value *value, struct ui_file *stream, int recurse, | |
1015 | const struct value_print_options *options, | |
1016 | const struct language_defn *language) | |
c906108c | 1017 | { |
1a1bfce7 TT |
1018 | if (language->la_language == language_ada) |
1019 | /* The value might have a dynamic type, which would cause trouble | |
1020 | below when trying to extract the value contents (since the value | |
1021 | size is determined from the type size which is unknown). So | |
1022 | get a fixed representation of our value. */ | |
1023 | value = ada_to_fixed_value (value); | |
1024 | ||
1025 | if (value_lazy (value)) | |
1026 | value_fetch_lazy (value); | |
1027 | ||
79a45b7d | 1028 | struct value_print_options local_opts = *options; |
426a9c18 | 1029 | struct type *type = value_type (value); |
c906108c | 1030 | struct type *real_type = check_typedef (type); |
79a45b7d | 1031 | |
2a998fc0 DE |
1032 | if (local_opts.prettyformat == Val_prettyformat_default) |
1033 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
1034 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 1035 | |
c906108c SS |
1036 | QUIT; |
1037 | ||
1038 | /* Ensure that the type is complete and not just a stub. If the type is | |
1039 | only a stub and we can't find and substitute its complete type, then | |
1040 | print appropriate string and return. */ | |
1041 | ||
e46d3488 | 1042 | if (real_type->is_stub ()) |
c906108c | 1043 | { |
7f6aba03 | 1044 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 1045 | return; |
c906108c | 1046 | } |
c5aa993b | 1047 | |
426a9c18 | 1048 | if (!valprint_check_validity (stream, real_type, 0, value)) |
35c0084b | 1049 | return; |
0e03807e | 1050 | |
a6bac58e TT |
1051 | if (!options->raw) |
1052 | { | |
1a1bfce7 TT |
1053 | if (apply_ext_lang_val_pretty_printer (value, stream, recurse, options, |
1054 | language)) | |
35c0084b | 1055 | return; |
a6bac58e TT |
1056 | } |
1057 | ||
1058 | /* Handle summary mode. If the value is a scalar, print it; | |
1059 | otherwise, print an ellipsis. */ | |
6211c335 | 1060 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e | 1061 | { |
6cb06a8c | 1062 | gdb_printf (stream, "..."); |
35c0084b | 1063 | return; |
a6bac58e TT |
1064 | } |
1065 | ||
2e62ab40 AB |
1066 | /* If this value is too deep then don't print it. */ |
1067 | if (!val_print_scalar_or_string_type_p (type, language) | |
1068 | && val_print_check_max_depth (stream, recurse, options, language)) | |
1069 | return; | |
1070 | ||
a70b8144 | 1071 | try |
19ca80ba | 1072 | { |
ebe2334e | 1073 | language->value_print_inner (value, stream, recurse, &local_opts); |
19ca80ba | 1074 | } |
230d2906 | 1075 | catch (const gdb_exception_error &except) |
492d29ea | 1076 | { |
7f6aba03 | 1077 | fprintf_styled (stream, metadata_style.style (), |
9cd609f8 | 1078 | _("<error reading variable: %s>"), except.what ()); |
492d29ea | 1079 | } |
c906108c SS |
1080 | } |
1081 | ||
2e62ab40 AB |
1082 | /* See valprint.h. */ |
1083 | ||
1084 | bool | |
1085 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1086 | const struct value_print_options *options, | |
1087 | const struct language_defn *language) | |
1088 | { | |
1089 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1090 | { | |
22e3f3ed | 1091 | gdb_assert (language->struct_too_deep_ellipsis () != NULL); |
0426ad51 | 1092 | gdb_puts (language->struct_too_deep_ellipsis (), stream); |
2e62ab40 AB |
1093 | return true; |
1094 | } | |
1095 | ||
1096 | return false; | |
1097 | } | |
1098 | ||
806048c6 | 1099 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1100 | return 0 and print an appropriate error message to STREAM according to |
1101 | OPTIONS if it is not. */ | |
c906108c | 1102 | |
806048c6 | 1103 | static int |
6501578c YQ |
1104 | value_check_printable (struct value *val, struct ui_file *stream, |
1105 | const struct value_print_options *options) | |
c906108c SS |
1106 | { |
1107 | if (val == 0) | |
1108 | { | |
7f6aba03 TT |
1109 | fprintf_styled (stream, metadata_style.style (), |
1110 | _("<address of value unknown>")); | |
c906108c SS |
1111 | return 0; |
1112 | } | |
806048c6 | 1113 | |
0e03807e | 1114 | if (value_entirely_optimized_out (val)) |
c906108c | 1115 | { |
6211c335 | 1116 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6cb06a8c | 1117 | gdb_printf (stream, "..."); |
6501578c | 1118 | else |
901461f8 | 1119 | val_print_optimized_out (val, stream); |
c906108c SS |
1120 | return 0; |
1121 | } | |
806048c6 | 1122 | |
eebc056c AB |
1123 | if (value_entirely_unavailable (val)) |
1124 | { | |
1125 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
6cb06a8c | 1126 | gdb_printf (stream, "..."); |
eebc056c AB |
1127 | else |
1128 | val_print_unavailable (stream); | |
1129 | return 0; | |
1130 | } | |
1131 | ||
78134374 | 1132 | if (value_type (val)->code () == TYPE_CODE_INTERNAL_FUNCTION) |
bc3b79fd | 1133 | { |
7f6aba03 TT |
1134 | fprintf_styled (stream, metadata_style.style (), |
1135 | _("<internal function %s>"), | |
1136 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1137 | return 0; |
1138 | } | |
1139 | ||
3f2f83dd KB |
1140 | if (type_not_associated (value_type (val))) |
1141 | { | |
1142 | val_print_not_associated (stream); | |
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | if (type_not_allocated (value_type (val))) | |
1147 | { | |
1148 | val_print_not_allocated (stream); | |
1149 | return 0; | |
1150 | } | |
1151 | ||
806048c6 DJ |
1152 | return 1; |
1153 | } | |
1154 | ||
c2a44efe TT |
1155 | /* See valprint.h. */ |
1156 | ||
1157 | void | |
1158 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1159 | int recurse, | |
1160 | const struct value_print_options *options, | |
1161 | const struct language_defn *language) | |
1162 | { | |
1163 | if (!value_check_printable (val, stream, options)) | |
1164 | return; | |
1165 | common_val_print (val, stream, recurse, options, language); | |
1166 | } | |
1167 | ||
7348c5e1 | 1168 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1169 | is printed using the current_language syntax. */ |
7348c5e1 | 1170 | |
8e069a98 | 1171 | void |
79a45b7d TT |
1172 | value_print (struct value *val, struct ui_file *stream, |
1173 | const struct value_print_options *options) | |
806048c6 | 1174 | { |
ce3acbe9 TT |
1175 | scoped_value_mark free_values; |
1176 | ||
6501578c | 1177 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1178 | return; |
806048c6 | 1179 | |
a6bac58e TT |
1180 | if (!options->raw) |
1181 | { | |
6dddc817 | 1182 | int r |
42331a1e TT |
1183 | = apply_ext_lang_val_pretty_printer (val, stream, 0, options, |
1184 | current_language); | |
a109c7c1 | 1185 | |
a6bac58e | 1186 | if (r) |
8e069a98 | 1187 | return; |
a6bac58e TT |
1188 | } |
1189 | ||
00c696a6 | 1190 | current_language->value_print (val, stream, options); |
c906108c SS |
1191 | } |
1192 | ||
731d2cc1 TV |
1193 | /* Meant to be used in debug sessions, so don't export it in a header file. */ |
1194 | extern void ATTRIBUTE_UNUSED debug_val (struct value *val); | |
1195 | ||
1196 | /* Print VAL. */ | |
1197 | ||
1198 | void ATTRIBUTE_UNUSED | |
1199 | debug_val (struct value *val) | |
1200 | { | |
1201 | value_print (val, gdb_stdlog, &user_print_options); | |
1202 | gdb_flush (gdb_stdlog); | |
1203 | } | |
1204 | ||
81516450 | 1205 | static void |
65786af6 TT |
1206 | val_print_type_code_flags (struct type *type, struct value *original_value, |
1207 | int embedded_offset, struct ui_file *stream) | |
4f2aea11 | 1208 | { |
50888e42 | 1209 | const gdb_byte *valaddr = (value_contents_for_printing (original_value).data () |
65786af6 | 1210 | + embedded_offset); |
befae759 | 1211 | ULONGEST val = unpack_long (type, valaddr); |
1f704f76 | 1212 | int field, nfields = type->num_fields (); |
8ee511af | 1213 | struct gdbarch *gdbarch = type->arch (); |
81516450 | 1214 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; |
4f2aea11 | 1215 | |
0426ad51 | 1216 | gdb_puts ("[", stream); |
81516450 | 1217 | for (field = 0; field < nfields; field++) |
4f2aea11 | 1218 | { |
33d16dd9 | 1219 | if (type->field (field).name ()[0] != '\0') |
4f2aea11 | 1220 | { |
940da03e | 1221 | struct type *field_type = type->field (field).type (); |
81516450 DE |
1222 | |
1223 | if (field_type == bool_type | |
1224 | /* We require boolean types here to be one bit wide. This is a | |
1225 | problematic place to notify the user of an internal error | |
1226 | though. Instead just fall through and print the field as an | |
1227 | int. */ | |
1228 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1229 | { | |
b610c045 | 1230 | if (val & ((ULONGEST)1 << type->field (field).loc_bitpos ())) |
6cb06a8c | 1231 | gdb_printf |
3f0cbb04 TT |
1232 | (stream, " %ps", |
1233 | styled_string (variable_name_style.style (), | |
33d16dd9 | 1234 | type->field (field).name ())); |
81516450 | 1235 | } |
4f2aea11 | 1236 | else |
81516450 DE |
1237 | { |
1238 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
b610c045 | 1239 | ULONGEST field_val = val >> type->field (field).loc_bitpos (); |
81516450 DE |
1240 | |
1241 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1242 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
6cb06a8c TT |
1243 | gdb_printf (stream, " %ps=", |
1244 | styled_string (variable_name_style.style (), | |
1245 | type->field (field).name ())); | |
78134374 | 1246 | if (field_type->code () == TYPE_CODE_ENUM) |
81516450 DE |
1247 | generic_val_print_enum_1 (field_type, field_val, stream); |
1248 | else | |
1249 | print_longest (stream, 'd', 0, field_val); | |
1250 | } | |
4f2aea11 MK |
1251 | } |
1252 | } | |
0426ad51 | 1253 | gdb_puts (" ]", stream); |
19c37f24 | 1254 | } |
ab2188aa | 1255 | |
4f9ae810 TT |
1256 | /* See valprint.h. */ |
1257 | ||
1258 | void | |
1259 | value_print_scalar_formatted (struct value *val, | |
1260 | const struct value_print_options *options, | |
1261 | int size, | |
1262 | struct ui_file *stream) | |
1263 | { | |
1264 | struct type *type = check_typedef (value_type (val)); | |
1265 | ||
1266 | gdb_assert (val != NULL); | |
1267 | ||
1268 | /* If we get here with a string format, try again without it. Go | |
1269 | all the way back to the language printers, which may call us | |
1270 | again. */ | |
1271 | if (options->format == 's') | |
1272 | { | |
1273 | struct value_print_options opts = *options; | |
1274 | opts.format = 0; | |
1275 | opts.deref_ref = 0; | |
1276 | common_val_print (val, stream, 0, &opts, current_language); | |
1277 | return; | |
1278 | } | |
1279 | ||
1280 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1281 | needed to check whether VAL is optimized-out or unavailable | |
1282 | below. */ | |
50888e42 | 1283 | const gdb_byte *valaddr = value_contents_for_printing (val).data (); |
4f9ae810 TT |
1284 | |
1285 | /* A scalar object that does not have all bits available can't be | |
1286 | printed, because all bits contribute to its representation. */ | |
1287 | if (value_bits_any_optimized_out (val, 0, | |
df86565b | 1288 | TARGET_CHAR_BIT * type->length ())) |
4f9ae810 | 1289 | val_print_optimized_out (val, stream); |
df86565b | 1290 | else if (!value_bytes_available (val, 0, type->length ())) |
4f9ae810 TT |
1291 | val_print_unavailable (stream); |
1292 | else | |
1293 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1294 | } | |
1295 | ||
c906108c SS |
1296 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1297 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1298 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1299 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1300 | format. |
bb599908 PH |
1301 | |
1302 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1303 | 'o' and 'x' format do not include the standard C radix prefix | |
1304 | (leading 0 or 0x). | |
1305 | ||
1306 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1307 | and was intended to request formatting according to the current |
bb599908 PH |
1308 | language and would be used for most integers that GDB prints. The |
1309 | exceptional cases were things like protocols where the format of | |
1310 | the integer is a protocol thing, not a user-visible thing). The | |
1311 | parameter remains to preserve the information of what things might | |
1312 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1313 | that capability. */ |
c906108c SS |
1314 | |
1315 | void | |
bb599908 | 1316 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1317 | LONGEST val_long) |
c906108c | 1318 | { |
2bfb72ee AC |
1319 | const char *val; |
1320 | ||
c906108c SS |
1321 | switch (format) |
1322 | { | |
1323 | case 'd': | |
bb599908 | 1324 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1325 | case 'u': |
bb599908 | 1326 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1327 | case 'x': |
bb599908 | 1328 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1329 | case 'b': |
bb599908 | 1330 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1331 | case 'h': |
bb599908 | 1332 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1333 | case 'w': |
bb599908 | 1334 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1335 | case 'g': |
bb599908 | 1336 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1337 | break; |
1338 | case 'o': | |
bb599908 | 1339 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1340 | default: |
3e43a32a MS |
1341 | internal_error (__FILE__, __LINE__, |
1342 | _("failed internal consistency check")); | |
bb599908 | 1343 | } |
0426ad51 | 1344 | gdb_puts (val, stream); |
c906108c SS |
1345 | } |
1346 | ||
c906108c SS |
1347 | /* This used to be a macro, but I don't think it is called often enough |
1348 | to merit such treatment. */ | |
1349 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1350 | arguments to a function, number in a value history, register number, etc.) | |
1351 | where the value must not be larger than can fit in an int. */ | |
1352 | ||
1353 | int | |
fba45db2 | 1354 | longest_to_int (LONGEST arg) |
c906108c | 1355 | { |
581e13c1 | 1356 | /* Let the compiler do the work. */ |
c906108c SS |
1357 | int rtnval = (int) arg; |
1358 | ||
581e13c1 | 1359 | /* Check for overflows or underflows. */ |
c906108c SS |
1360 | if (sizeof (LONGEST) > sizeof (int)) |
1361 | { | |
1362 | if (rtnval != arg) | |
1363 | { | |
8a3fe4f8 | 1364 | error (_("Value out of range.")); |
c906108c SS |
1365 | } |
1366 | } | |
1367 | return (rtnval); | |
1368 | } | |
1369 | ||
fdf0cbc2 UW |
1370 | /* Print a floating point value of floating-point type TYPE, |
1371 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1372 | |
1373 | void | |
fc1a4b47 | 1374 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1375 | struct ui_file *stream) |
c906108c | 1376 | { |
f69fdf9b | 1377 | std::string str = target_float_to_string (valaddr, type); |
0426ad51 | 1378 | gdb_puts (str.c_str (), stream); |
7678ef8f TJB |
1379 | } |
1380 | ||
c5aa993b | 1381 | void |
fc1a4b47 | 1382 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
21a527df EL |
1383 | unsigned len, enum bfd_endian byte_order, bool zero_pad, |
1384 | const struct value_print_options *options) | |
c906108c | 1385 | { |
fc1a4b47 | 1386 | const gdb_byte *p; |
745b8ca0 | 1387 | unsigned int i; |
c5aa993b | 1388 | int b; |
30a25466 | 1389 | bool seen_a_one = false; |
21a527df | 1390 | const char *digit_separator = nullptr; |
c906108c SS |
1391 | |
1392 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1393 | This ensures that right shift will shift in zeros. */ |
1394 | ||
c5aa993b | 1395 | const int mask = 0x080; |
c906108c | 1396 | |
21a527df EL |
1397 | if (options->nibblesprint) |
1398 | digit_separator = current_language->get_digit_separator(); | |
1399 | ||
d44e8473 | 1400 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1401 | { |
1402 | for (p = valaddr; | |
1403 | p < valaddr + len; | |
1404 | p++) | |
1405 | { | |
c5aa993b | 1406 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1407 | and print from the MSB end. */ |
1408 | ||
d3abe1c8 | 1409 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b | 1410 | { |
21a527df EL |
1411 | if (options->nibblesprint && seen_a_one && i % 4 == 0) |
1412 | gdb_putc (*digit_separator, stream); | |
1413 | ||
c5aa993b | 1414 | if (*p & (mask >> i)) |
30a25466 | 1415 | b = '1'; |
c5aa993b | 1416 | else |
30a25466 | 1417 | b = '0'; |
c5aa993b | 1418 | |
30a25466 | 1419 | if (zero_pad || seen_a_one || b == '1') |
a11ac3b3 | 1420 | gdb_putc (b, stream); |
21a527df EL |
1421 | else if (options->nibblesprint) |
1422 | { | |
1423 | if ((0xf0 & (mask >> i) && (*p & 0xf0)) | |
1424 | || (0x0f & (mask >> i) && (*p & 0x0f))) | |
1425 | gdb_putc (b, stream); | |
1426 | } | |
1427 | ||
30a25466 TT |
1428 | if (b == '1') |
1429 | seen_a_one = true; | |
c5aa993b | 1430 | } |
c906108c SS |
1431 | } |
1432 | } | |
1433 | else | |
1434 | { | |
1435 | for (p = valaddr + len - 1; | |
1436 | p >= valaddr; | |
1437 | p--) | |
1438 | { | |
d3abe1c8 | 1439 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b | 1440 | { |
21a527df EL |
1441 | if (options->nibblesprint && seen_a_one && i % 4 == 0) |
1442 | gdb_putc (*digit_separator, stream); | |
1443 | ||
c5aa993b | 1444 | if (*p & (mask >> i)) |
30a25466 | 1445 | b = '1'; |
c5aa993b | 1446 | else |
30a25466 | 1447 | b = '0'; |
c5aa993b | 1448 | |
30a25466 | 1449 | if (zero_pad || seen_a_one || b == '1') |
a11ac3b3 | 1450 | gdb_putc (b, stream); |
21a527df EL |
1451 | else if (options->nibblesprint) |
1452 | { | |
1453 | if ((0xf0 & (mask >> i) && (*p & 0xf0)) | |
1454 | || (0x0f & (mask >> i) && (*p & 0x0f))) | |
1455 | gdb_putc (b, stream); | |
1456 | } | |
1457 | ||
30a25466 TT |
1458 | if (b == '1') |
1459 | seen_a_one = true; | |
c5aa993b | 1460 | } |
c906108c SS |
1461 | } |
1462 | } | |
30a25466 TT |
1463 | |
1464 | /* When not zero-padding, ensure that something is printed when the | |
1465 | input is 0. */ | |
1466 | if (!zero_pad && !seen_a_one) | |
a11ac3b3 | 1467 | gdb_putc ('0', stream); |
30a25466 TT |
1468 | } |
1469 | ||
1470 | /* A helper for print_octal_chars that emits a single octal digit, | |
1471 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1472 | ||
1473 | static void | |
1474 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1475 | { | |
1476 | if (*seen_a_one || digit != 0) | |
6cb06a8c | 1477 | gdb_printf (stream, "%o", digit); |
30a25466 TT |
1478 | if (digit != 0) |
1479 | *seen_a_one = true; | |
c906108c SS |
1480 | } |
1481 | ||
1482 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1483 | Print it in octal on stream or format it in buf. */ |
1484 | ||
c906108c | 1485 | void |
fc1a4b47 | 1486 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1487 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1488 | { |
fc1a4b47 | 1489 | const gdb_byte *p; |
c906108c | 1490 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1491 | int cycle; |
1492 | ||
c906108c SS |
1493 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1494 | * the extra bits, which cycle every three bytes: | |
1495 | * | |
1496 | * Byte side: 0 1 2 3 | |
1497 | * | | | | | |
1498 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1499 | * | |
1500 | * Octal side: 0 1 carry 3 4 carry ... | |
1501 | * | |
1502 | * Cycle number: 0 1 2 | |
1503 | * | |
1504 | * But of course we are printing from the high side, so we have to | |
1505 | * figure out where in the cycle we are so that we end up with no | |
1506 | * left over bits at the end. | |
1507 | */ | |
1508 | #define BITS_IN_OCTAL 3 | |
1509 | #define HIGH_ZERO 0340 | |
d6382fff | 1510 | #define LOW_ZERO 0034 |
c906108c | 1511 | #define CARRY_ZERO 0003 |
d6382fff TT |
1512 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1513 | "cycle zero constants are wrong"); | |
c906108c SS |
1514 | #define HIGH_ONE 0200 |
1515 | #define MID_ONE 0160 | |
1516 | #define LOW_ONE 0016 | |
1517 | #define CARRY_ONE 0001 | |
d6382fff TT |
1518 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1519 | "cycle one constants are wrong"); | |
c906108c SS |
1520 | #define HIGH_TWO 0300 |
1521 | #define MID_TWO 0070 | |
1522 | #define LOW_TWO 0007 | |
d6382fff TT |
1523 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1524 | "cycle two constants are wrong"); | |
c906108c SS |
1525 | |
1526 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1527 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1528 | ||
d3abe1c8 | 1529 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1530 | carry = 0; |
c5aa993b | 1531 | |
0426ad51 | 1532 | gdb_puts ("0", stream); |
30a25466 | 1533 | bool seen_a_one = false; |
d44e8473 | 1534 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1535 | { |
1536 | for (p = valaddr; | |
1537 | p < valaddr + len; | |
1538 | p++) | |
1539 | { | |
c5aa993b JM |
1540 | switch (cycle) |
1541 | { | |
1542 | case 0: | |
581e13c1 MS |
1543 | /* No carry in, carry out two bits. */ |
1544 | ||
c5aa993b JM |
1545 | octa1 = (HIGH_ZERO & *p) >> 5; |
1546 | octa2 = (LOW_ZERO & *p) >> 2; | |
1547 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1548 | emit_octal_digit (stream, &seen_a_one, octa1); |
1549 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1550 | break; |
1551 | ||
1552 | case 1: | |
581e13c1 MS |
1553 | /* Carry in two bits, carry out one bit. */ |
1554 | ||
c5aa993b JM |
1555 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1556 | octa2 = (MID_ONE & *p) >> 4; | |
1557 | octa3 = (LOW_ONE & *p) >> 1; | |
1558 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1559 | emit_octal_digit (stream, &seen_a_one, octa1); |
1560 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1561 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1562 | break; |
1563 | ||
1564 | case 2: | |
581e13c1 MS |
1565 | /* Carry in one bit, no carry out. */ |
1566 | ||
c5aa993b JM |
1567 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1568 | octa2 = (MID_TWO & *p) >> 3; | |
1569 | octa3 = (LOW_TWO & *p); | |
1570 | carry = 0; | |
30a25466 TT |
1571 | emit_octal_digit (stream, &seen_a_one, octa1); |
1572 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1573 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1574 | break; |
1575 | ||
1576 | default: | |
8a3fe4f8 | 1577 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1578 | } |
1579 | ||
1580 | cycle++; | |
1581 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1582 | } |
1583 | } | |
1584 | else | |
1585 | { | |
1586 | for (p = valaddr + len - 1; | |
1587 | p >= valaddr; | |
1588 | p--) | |
1589 | { | |
c5aa993b JM |
1590 | switch (cycle) |
1591 | { | |
1592 | case 0: | |
1593 | /* Carry out, no carry in */ | |
581e13c1 | 1594 | |
c5aa993b JM |
1595 | octa1 = (HIGH_ZERO & *p) >> 5; |
1596 | octa2 = (LOW_ZERO & *p) >> 2; | |
1597 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1598 | emit_octal_digit (stream, &seen_a_one, octa1); |
1599 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1600 | break; |
1601 | ||
1602 | case 1: | |
1603 | /* Carry in, carry out */ | |
581e13c1 | 1604 | |
c5aa993b JM |
1605 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1606 | octa2 = (MID_ONE & *p) >> 4; | |
1607 | octa3 = (LOW_ONE & *p) >> 1; | |
1608 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1609 | emit_octal_digit (stream, &seen_a_one, octa1); |
1610 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1611 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1612 | break; |
1613 | ||
1614 | case 2: | |
1615 | /* Carry in, no carry out */ | |
581e13c1 | 1616 | |
c5aa993b JM |
1617 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1618 | octa2 = (MID_TWO & *p) >> 3; | |
1619 | octa3 = (LOW_TWO & *p); | |
1620 | carry = 0; | |
30a25466 TT |
1621 | emit_octal_digit (stream, &seen_a_one, octa1); |
1622 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1623 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1624 | break; |
1625 | ||
1626 | default: | |
8a3fe4f8 | 1627 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1628 | } |
1629 | ||
1630 | cycle++; | |
1631 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1632 | } |
1633 | } | |
1634 | ||
c906108c SS |
1635 | } |
1636 | ||
4ac0cb1c TT |
1637 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1638 | bytes in the specified byte order. If the integer is negative, | |
1639 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1640 | nothing and return false. */ | |
1641 | ||
1642 | static bool | |
1643 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1644 | enum bfd_endian byte_order, | |
d5722aa2 | 1645 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1646 | { |
1647 | gdb_byte sign_byte; | |
eb77c9df | 1648 | gdb_assert (len > 0); |
4ac0cb1c TT |
1649 | if (byte_order == BFD_ENDIAN_BIG) |
1650 | sign_byte = bytes[0]; | |
1651 | else | |
1652 | sign_byte = bytes[len - 1]; | |
1653 | if ((sign_byte & 0x80) == 0) | |
1654 | return false; | |
1655 | ||
1656 | out_vec->resize (len); | |
1657 | ||
1658 | /* Compute -x == 1 + ~x. */ | |
1659 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1660 | { | |
1661 | unsigned carry = 1; | |
1662 | for (unsigned i = 0; i < len; ++i) | |
1663 | { | |
1664 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1665 | (*out_vec)[i] = tem & 0xff; | |
1666 | carry = tem / 256; | |
1667 | } | |
1668 | } | |
1669 | else | |
1670 | { | |
1671 | unsigned carry = 1; | |
1672 | for (unsigned i = len; i > 0; --i) | |
1673 | { | |
1674 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1675 | (*out_vec)[i - 1] = tem & 0xff; | |
1676 | carry = tem / 256; | |
1677 | } | |
1678 | } | |
1679 | ||
1680 | return true; | |
1681 | } | |
1682 | ||
c906108c | 1683 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1684 | Print it in decimal on stream or format it in buf. */ |
1685 | ||
c906108c | 1686 | void |
fc1a4b47 | 1687 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1688 | unsigned len, bool is_signed, |
1689 | enum bfd_endian byte_order) | |
c906108c SS |
1690 | { |
1691 | #define TEN 10 | |
c5aa993b | 1692 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1693 | #define CARRY_LEFT( x ) ((x) % TEN) |
1694 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1695 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1696 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1697 | ||
fc1a4b47 | 1698 | const gdb_byte *p; |
c5aa993b JM |
1699 | int carry; |
1700 | int decimal_len; | |
1701 | int i, j, decimal_digits; | |
1702 | int dummy; | |
1703 | int flip; | |
1704 | ||
d5722aa2 | 1705 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1706 | if (is_signed |
1707 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1708 | { | |
0426ad51 | 1709 | gdb_puts ("-", stream); |
4ac0cb1c TT |
1710 | valaddr = negated_bytes.data (); |
1711 | } | |
1712 | ||
c906108c | 1713 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1714 | as the base 16 number, which is 2 digits per byte. */ |
1715 | ||
c906108c | 1716 | decimal_len = len * 2 * 2; |
30a25466 | 1717 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1718 | |
c906108c SS |
1719 | /* Ok, we have an unknown number of bytes of data to be printed in |
1720 | * decimal. | |
1721 | * | |
1722 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1723 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1724 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1725 | * | |
1726 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1727 | * the individual digits are > 10. |
c906108c SS |
1728 | * |
1729 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1730 | * LSD end. | |
1731 | */ | |
c5aa993b | 1732 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1733 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1734 | flip = 0; |
d44e8473 | 1735 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1736 | { |
c906108c SS |
1737 | /* |
1738 | * Multiply current base-ten number by 16 in place. | |
1739 | * Each digit was between 0 and 9, now is between | |
1740 | * 0 and 144. | |
1741 | */ | |
c5aa993b JM |
1742 | for (j = 0; j < decimal_digits; j++) |
1743 | { | |
1744 | digits[j] = SHIFT (digits[j]); | |
1745 | } | |
1746 | ||
c906108c SS |
1747 | /* Take the next nibble off the input and add it to what |
1748 | * we've got in the LSB position. Bottom 'digit' is now | |
1749 | * between 0 and 159. | |
1750 | * | |
1751 | * "flip" is used to run this loop twice for each byte. | |
1752 | */ | |
c5aa993b JM |
1753 | if (flip == 0) |
1754 | { | |
581e13c1 MS |
1755 | /* Take top nibble. */ |
1756 | ||
c5aa993b JM |
1757 | digits[0] += HIGH_NIBBLE (*p); |
1758 | flip = 1; | |
1759 | } | |
1760 | else | |
1761 | { | |
581e13c1 MS |
1762 | /* Take low nibble and bump our pointer "p". */ |
1763 | ||
c5aa993b | 1764 | digits[0] += LOW_NIBBLE (*p); |
dda83cd7 | 1765 | if (byte_order == BFD_ENDIAN_BIG) |
d44e8473 MD |
1766 | p++; |
1767 | else | |
1768 | p--; | |
c5aa993b JM |
1769 | flip = 0; |
1770 | } | |
c906108c SS |
1771 | |
1772 | /* Re-decimalize. We have to do this often enough | |
1773 | * that we don't overflow, but once per nibble is | |
1774 | * overkill. Easier this way, though. Note that the | |
1775 | * carry is often larger than 10 (e.g. max initial | |
1776 | * carry out of lowest nibble is 15, could bubble all | |
1777 | * the way up greater than 10). So we have to do | |
1778 | * the carrying beyond the last current digit. | |
1779 | */ | |
1780 | carry = 0; | |
c5aa993b JM |
1781 | for (j = 0; j < decimal_len - 1; j++) |
1782 | { | |
1783 | digits[j] += carry; | |
1784 | ||
1785 | /* "/" won't handle an unsigned char with | |
1786 | * a value that if signed would be negative. | |
1787 | * So extend to longword int via "dummy". | |
1788 | */ | |
1789 | dummy = digits[j]; | |
1790 | carry = CARRY_OUT (dummy); | |
1791 | digits[j] = CARRY_LEFT (dummy); | |
1792 | ||
1793 | if (j >= decimal_digits && carry == 0) | |
1794 | { | |
1795 | /* | |
1796 | * All higher digits are 0 and we | |
1797 | * no longer have a carry. | |
1798 | * | |
1799 | * Note: "j" is 0-based, "decimal_digits" is | |
1800 | * 1-based. | |
1801 | */ | |
1802 | decimal_digits = j + 1; | |
1803 | break; | |
1804 | } | |
1805 | } | |
1806 | } | |
c906108c SS |
1807 | |
1808 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1809 | the "decimal_digits" actual digits. Print! */ |
1810 | ||
30a25466 TT |
1811 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1812 | ; | |
1813 | ||
1814 | for (; i >= 0; i--) | |
c5aa993b | 1815 | { |
6cb06a8c | 1816 | gdb_printf (stream, "%1d", digits[i]); |
c5aa993b | 1817 | } |
c906108c SS |
1818 | } |
1819 | ||
1820 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1821 | ||
6b9acc27 | 1822 | void |
fc1a4b47 | 1823 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1824 | unsigned len, enum bfd_endian byte_order, |
1825 | bool zero_pad) | |
c906108c | 1826 | { |
fc1a4b47 | 1827 | const gdb_byte *p; |
c906108c | 1828 | |
0426ad51 | 1829 | gdb_puts ("0x", stream); |
d44e8473 | 1830 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1831 | { |
30a25466 TT |
1832 | p = valaddr; |
1833 | ||
1834 | if (!zero_pad) | |
1835 | { | |
1836 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1837 | single byte at the end. */ | |
1838 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1839 | ; | |
1840 | } | |
1841 | ||
1842 | const gdb_byte *first = p; | |
1843 | for (; | |
c906108c SS |
1844 | p < valaddr + len; |
1845 | p++) | |
1846 | { | |
30a25466 TT |
1847 | /* When not zero-padding, use a different format for the |
1848 | very first byte printed. */ | |
1849 | if (!zero_pad && p == first) | |
6cb06a8c | 1850 | gdb_printf (stream, "%x", *p); |
30a25466 | 1851 | else |
6cb06a8c | 1852 | gdb_printf (stream, "%02x", *p); |
c906108c SS |
1853 | } |
1854 | } | |
1855 | else | |
1856 | { | |
30a25466 TT |
1857 | p = valaddr + len - 1; |
1858 | ||
1859 | if (!zero_pad) | |
1860 | { | |
1861 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1862 | single byte at the end. */ | |
1863 | for (; p >= valaddr + 1 && !*p; --p) | |
1864 | ; | |
1865 | } | |
1866 | ||
1867 | const gdb_byte *first = p; | |
1868 | for (; | |
c906108c SS |
1869 | p >= valaddr; |
1870 | p--) | |
1871 | { | |
30a25466 TT |
1872 | /* When not zero-padding, use a different format for the |
1873 | very first byte printed. */ | |
1874 | if (!zero_pad && p == first) | |
6cb06a8c | 1875 | gdb_printf (stream, "%x", *p); |
30a25466 | 1876 | else |
6cb06a8c | 1877 | gdb_printf (stream, "%02x", *p); |
c906108c SS |
1878 | } |
1879 | } | |
c906108c SS |
1880 | } |
1881 | ||
132c57b4 TT |
1882 | /* Print function pointer with inferior address ADDRESS onto stdio |
1883 | stream STREAM. */ | |
1884 | ||
1885 | void | |
edf0c1b7 TT |
1886 | print_function_pointer_address (const struct value_print_options *options, |
1887 | struct gdbarch *gdbarch, | |
132c57b4 | 1888 | CORE_ADDR address, |
edf0c1b7 | 1889 | struct ui_file *stream) |
132c57b4 | 1890 | { |
328d42d8 SM |
1891 | CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr |
1892 | (gdbarch, address, current_inferior ()->top_target ()); | |
132c57b4 TT |
1893 | |
1894 | /* If the function pointer is represented by a description, print | |
1895 | the address of the description. */ | |
edf0c1b7 | 1896 | if (options->addressprint && func_addr != address) |
132c57b4 | 1897 | { |
0426ad51 TT |
1898 | gdb_puts ("@", stream); |
1899 | gdb_puts (paddress (gdbarch, address), stream); | |
1900 | gdb_puts (": ", stream); | |
132c57b4 | 1901 | } |
edf0c1b7 | 1902 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1903 | } |
1904 | ||
1905 | ||
79a45b7d | 1906 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1907 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1908 | ||
1909 | void | |
1910 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
dda83cd7 | 1911 | struct ui_file *stream, |
79a45b7d | 1912 | const struct value_print_options *options) |
e79af960 | 1913 | { |
79a45b7d | 1914 | if (!options->print_array_indexes) |
e79af960 | 1915 | return; |
e74b39de AB |
1916 | |
1917 | current_language->print_array_index (index_type, index, stream, options); | |
79a45b7d | 1918 | } |
e79af960 | 1919 | |
d121c6ce TT |
1920 | /* See valprint.h. */ |
1921 | ||
1922 | void | |
1923 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
1924 | int recurse, | |
1925 | const struct value_print_options *options, | |
1926 | unsigned int i) | |
1927 | { | |
1928 | unsigned int things_printed = 0; | |
1929 | unsigned len; | |
53a47a3e | 1930 | struct type *elttype, *index_type; |
d121c6ce TT |
1931 | unsigned eltlen; |
1932 | /* Position of the array element we are examining to see | |
1933 | whether it is repeated. */ | |
1934 | unsigned int rep1; | |
1935 | /* Number of repetitions we have detected so far. */ | |
1936 | unsigned int reps; | |
1937 | LONGEST low_bound, high_bound; | |
d121c6ce TT |
1938 | |
1939 | struct type *type = check_typedef (value_type (val)); | |
1940 | ||
27710edb | 1941 | elttype = type->target_type (); |
d121c6ce | 1942 | eltlen = type_length_units (check_typedef (elttype)); |
3d967001 | 1943 | index_type = type->index_type (); |
53a47a3e | 1944 | if (index_type->code () == TYPE_CODE_RANGE) |
27710edb | 1945 | index_type = index_type->target_type (); |
d121c6ce TT |
1946 | |
1947 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
1948 | { | |
53a47a3e | 1949 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + |
dda83cd7 SM |
1950 | 1. But we have to be a little extra careful, because some |
1951 | languages such as Ada allow LOW_BOUND to be greater than | |
1952 | HIGH_BOUND for empty arrays. In that situation, the array | |
1953 | length is just zero, not negative! */ | |
53a47a3e | 1954 | if (low_bound > high_bound) |
d121c6ce TT |
1955 | len = 0; |
1956 | else | |
53a47a3e | 1957 | len = high_bound - low_bound + 1; |
d121c6ce TT |
1958 | } |
1959 | else | |
1960 | { | |
1961 | warning (_("unable to get bounds of array, assuming null array")); | |
1962 | low_bound = 0; | |
1963 | len = 0; | |
1964 | } | |
1965 | ||
1966 | annotate_array_section_begin (i, elttype); | |
1967 | ||
1968 | for (; i < len && things_printed < options->print_max; i++) | |
1969 | { | |
1970 | scoped_value_mark free_values; | |
1971 | ||
1972 | if (i != 0) | |
1973 | { | |
1974 | if (options->prettyformat_arrays) | |
1975 | { | |
6cb06a8c | 1976 | gdb_printf (stream, ",\n"); |
d0b1020b | 1977 | print_spaces (2 + 2 * recurse, stream); |
d121c6ce TT |
1978 | } |
1979 | else | |
6cb06a8c | 1980 | gdb_printf (stream, ", "); |
d121c6ce | 1981 | } |
d642b692 HD |
1982 | else if (options->prettyformat_arrays) |
1983 | { | |
6cb06a8c | 1984 | gdb_printf (stream, "\n"); |
d0b1020b | 1985 | print_spaces (2 + 2 * recurse, stream); |
d642b692 | 1986 | } |
1285ce86 | 1987 | stream->wrap_here (2 + 2 * recurse); |
d121c6ce | 1988 | maybe_print_array_index (index_type, i + low_bound, |
dda83cd7 | 1989 | stream, options); |
d121c6ce TT |
1990 | |
1991 | rep1 = i + 1; | |
1992 | reps = 1; | |
1993 | /* Only check for reps if repeat_count_threshold is not set to | |
1994 | UINT_MAX (unlimited). */ | |
1995 | if (options->repeat_count_threshold < UINT_MAX) | |
1996 | { | |
1997 | while (rep1 < len | |
1998 | && value_contents_eq (val, i * eltlen, | |
1999 | val, rep1 * eltlen, | |
2000 | eltlen)) | |
2001 | { | |
2002 | ++reps; | |
2003 | ++rep1; | |
2004 | } | |
2005 | } | |
2006 | ||
2007 | struct value *element = value_from_component (val, elttype, eltlen * i); | |
2008 | common_val_print (element, stream, recurse + 1, options, | |
2009 | current_language); | |
2010 | ||
2011 | if (reps > options->repeat_count_threshold) | |
2012 | { | |
2013 | annotate_elt_rep (reps); | |
6cb06a8c TT |
2014 | gdb_printf (stream, " %p[<repeats %u times>%p]", |
2015 | metadata_style.style ().ptr (), reps, nullptr); | |
d121c6ce TT |
2016 | annotate_elt_rep_end (); |
2017 | ||
2018 | i = rep1 - 1; | |
2019 | things_printed += options->repeat_count_threshold; | |
2020 | } | |
2021 | else | |
2022 | { | |
2023 | annotate_elt (); | |
2024 | things_printed++; | |
2025 | } | |
2026 | } | |
2027 | annotate_array_section_end (); | |
2028 | if (i < len) | |
6cb06a8c | 2029 | gdb_printf (stream, "..."); |
d642b692 HD |
2030 | if (options->prettyformat_arrays) |
2031 | { | |
6cb06a8c | 2032 | gdb_printf (stream, "\n"); |
d0b1020b | 2033 | print_spaces (2 * recurse, stream); |
d642b692 | 2034 | } |
d121c6ce TT |
2035 | } |
2036 | ||
3b2b8fea TT |
2037 | /* Return true if print_wchar can display W without resorting to a |
2038 | numeric escape, false otherwise. */ | |
2039 | ||
2040 | static int | |
2041 | wchar_printable (gdb_wchar_t w) | |
2042 | { | |
2043 | return (gdb_iswprint (w) | |
2044 | || w == LCST ('\a') || w == LCST ('\b') | |
2045 | || w == LCST ('\f') || w == LCST ('\n') | |
2046 | || w == LCST ('\r') || w == LCST ('\t') | |
2047 | || w == LCST ('\v')); | |
2048 | } | |
2049 | ||
2050 | /* A helper function that converts the contents of STRING to wide | |
2051 | characters and then appends them to OUTPUT. */ | |
2052 | ||
2053 | static void | |
2054 | append_string_as_wide (const char *string, | |
2055 | struct obstack *output) | |
2056 | { | |
2057 | for (; *string; ++string) | |
2058 | { | |
2059 | gdb_wchar_t w = gdb_btowc (*string); | |
2060 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2061 | } | |
2062 | } | |
2063 | ||
2064 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2065 | original (target) bytes representing the character, ORIG_LEN is the | |
2066 | number of valid bytes. WIDTH is the number of bytes in a base | |
2067 | characters of the type. OUTPUT is an obstack to which wide | |
2068 | characters are emitted. QUOTER is a (narrow) character indicating | |
2069 | the style of quotes surrounding the character to be printed. | |
2070 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2071 | escapes across calls. */ | |
2072 | ||
2073 | static void | |
2074 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2075 | int orig_len, int width, | |
2076 | enum bfd_endian byte_order, | |
2077 | struct obstack *output, | |
2078 | int quoter, int *need_escapep) | |
2079 | { | |
2080 | int need_escape = *need_escapep; | |
2081 | ||
2082 | *need_escapep = 0; | |
3b2b8fea | 2083 | |
95c64f92 YQ |
2084 | /* iswprint implementation on Windows returns 1 for tab character. |
2085 | In order to avoid different printout on this host, we explicitly | |
2086 | use wchar_printable function. */ | |
2087 | switch (w) | |
3b2b8fea | 2088 | { |
95c64f92 YQ |
2089 | case LCST ('\a'): |
2090 | obstack_grow_wstr (output, LCST ("\\a")); | |
2091 | break; | |
2092 | case LCST ('\b'): | |
2093 | obstack_grow_wstr (output, LCST ("\\b")); | |
2094 | break; | |
2095 | case LCST ('\f'): | |
2096 | obstack_grow_wstr (output, LCST ("\\f")); | |
2097 | break; | |
2098 | case LCST ('\n'): | |
2099 | obstack_grow_wstr (output, LCST ("\\n")); | |
2100 | break; | |
2101 | case LCST ('\r'): | |
2102 | obstack_grow_wstr (output, LCST ("\\r")); | |
2103 | break; | |
2104 | case LCST ('\t'): | |
2105 | obstack_grow_wstr (output, LCST ("\\t")); | |
2106 | break; | |
2107 | case LCST ('\v'): | |
2108 | obstack_grow_wstr (output, LCST ("\\v")); | |
2109 | break; | |
2110 | default: | |
3b2b8fea | 2111 | { |
95c64f92 YQ |
2112 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2113 | && w != LCST ('8') | |
2114 | && w != LCST ('9')))) | |
2115 | { | |
2116 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2117 | |
95c64f92 YQ |
2118 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2119 | obstack_grow_wstr (output, LCST ("\\")); | |
2120 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2121 | } | |
2122 | else | |
2123 | { | |
2124 | int i; | |
3b2b8fea | 2125 | |
95c64f92 YQ |
2126 | for (i = 0; i + width <= orig_len; i += width) |
2127 | { | |
2128 | char octal[30]; | |
2129 | ULONGEST value; | |
2130 | ||
2131 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2132 | byte_order); |
95c64f92 YQ |
2133 | /* If the value fits in 3 octal digits, print it that |
2134 | way. Otherwise, print it as a hex escape. */ | |
2135 | if (value <= 0777) | |
2136 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2137 | (int) (value & 0777)); | |
2138 | else | |
2139 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2140 | append_string_as_wide (octal, output); | |
2141 | } | |
2142 | /* If we somehow have extra bytes, print them now. */ | |
2143 | while (i < orig_len) | |
2144 | { | |
2145 | char octal[5]; | |
2146 | ||
2147 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2148 | append_string_as_wide (octal, output); | |
2149 | ++i; | |
2150 | } | |
2151 | ||
2152 | *need_escapep = 1; | |
2153 | } | |
3b2b8fea TT |
2154 | break; |
2155 | } | |
2156 | } | |
2157 | } | |
2158 | ||
2159 | /* Print the character C on STREAM as part of the contents of a | |
2160 | literal string whose delimiter is QUOTER. ENCODING names the | |
2161 | encoding of C. */ | |
2162 | ||
2163 | void | |
2164 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2165 | int quoter, const char *encoding) | |
2166 | { | |
2167 | enum bfd_endian byte_order | |
34877895 | 2168 | = type_byte_order (type); |
b926417a | 2169 | gdb_byte *c_buf; |
3b2b8fea TT |
2170 | int need_escape = 0; |
2171 | ||
df86565b | 2172 | c_buf = (gdb_byte *) alloca (type->length ()); |
b926417a | 2173 | pack_long (c_buf, type, c); |
3b2b8fea | 2174 | |
df86565b | 2175 | wchar_iterator iter (c_buf, type->length (), encoding, type->length ()); |
3b2b8fea TT |
2176 | |
2177 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2178 | auto_obstack wchar_buf; |
3b2b8fea TT |
2179 | |
2180 | while (1) | |
2181 | { | |
2182 | int num_chars; | |
2183 | gdb_wchar_t *chars; | |
2184 | const gdb_byte *buf; | |
2185 | size_t buflen; | |
2186 | int print_escape = 1; | |
2187 | enum wchar_iterate_result result; | |
2188 | ||
cda6c55b | 2189 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2190 | if (num_chars < 0) |
2191 | break; | |
2192 | if (num_chars > 0) | |
2193 | { | |
2194 | /* If all characters are printable, print them. Otherwise, | |
2195 | we're going to have to print an escape sequence. We | |
2196 | check all characters because we want to print the target | |
2197 | bytes in the escape sequence, and we don't know character | |
2198 | boundaries there. */ | |
2199 | int i; | |
2200 | ||
2201 | print_escape = 0; | |
2202 | for (i = 0; i < num_chars; ++i) | |
2203 | if (!wchar_printable (chars[i])) | |
2204 | { | |
2205 | print_escape = 1; | |
2206 | break; | |
2207 | } | |
2208 | ||
2209 | if (!print_escape) | |
2210 | { | |
2211 | for (i = 0; i < num_chars; ++i) | |
2212 | print_wchar (chars[i], buf, buflen, | |
df86565b | 2213 | type->length (), byte_order, |
3b2b8fea TT |
2214 | &wchar_buf, quoter, &need_escape); |
2215 | } | |
2216 | } | |
2217 | ||
2218 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2219 | if (print_escape) | |
df86565b | 2220 | print_wchar (gdb_WEOF, buf, buflen, type->length (), |
3b2b8fea TT |
2221 | byte_order, &wchar_buf, quoter, &need_escape); |
2222 | } | |
2223 | ||
2224 | /* The output in the host encoding. */ | |
8268c778 | 2225 | auto_obstack output; |
3b2b8fea TT |
2226 | |
2227 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2228 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2229 | obstack_object_size (&wchar_buf), |
fff10684 | 2230 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2231 | obstack_1grow (&output, '\0'); |
2232 | ||
0426ad51 | 2233 | gdb_puts ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2234 | } |
2235 | ||
0d63ecda KS |
2236 | /* Return the repeat count of the next character/byte in ITER, |
2237 | storing the result in VEC. */ | |
2238 | ||
2239 | static int | |
cda6c55b | 2240 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2241 | std::vector<converted_character> *vec) |
0d63ecda KS |
2242 | { |
2243 | struct converted_character *current; | |
2244 | ||
b01ba14d | 2245 | if (vec->empty ()) |
0d63ecda KS |
2246 | { |
2247 | struct converted_character tmp; | |
2248 | gdb_wchar_t *chars; | |
2249 | ||
2250 | tmp.num_chars | |
cda6c55b | 2251 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2252 | if (tmp.num_chars > 0) |
2253 | { | |
2254 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2255 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2256 | } | |
b01ba14d | 2257 | vec->push_back (tmp); |
0d63ecda KS |
2258 | } |
2259 | ||
b01ba14d | 2260 | current = &vec->back (); |
0d63ecda KS |
2261 | |
2262 | /* Count repeated characters or bytes. */ | |
2263 | current->repeat_count = 1; | |
2264 | if (current->num_chars == -1) | |
2265 | { | |
2266 | /* EOF */ | |
2267 | return -1; | |
2268 | } | |
2269 | else | |
2270 | { | |
2271 | gdb_wchar_t *chars; | |
2272 | struct converted_character d; | |
2273 | int repeat; | |
2274 | ||
2275 | d.repeat_count = 0; | |
2276 | ||
2277 | while (1) | |
2278 | { | |
2279 | /* Get the next character. */ | |
cda6c55b | 2280 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2281 | |
2282 | /* If a character was successfully converted, save the character | |
2283 | into the converted character. */ | |
2284 | if (d.num_chars > 0) | |
2285 | { | |
2286 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2287 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2288 | } | |
2289 | ||
2290 | /* Determine if the current character is the same as this | |
2291 | new character. */ | |
2292 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2293 | { | |
2294 | /* There are two cases to consider: | |
2295 | ||
2296 | 1) Equality of converted character (num_chars > 0) | |
2297 | 2) Equality of non-converted character (num_chars == 0) */ | |
2298 | if ((current->num_chars > 0 | |
2299 | && memcmp (current->chars, d.chars, | |
2300 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2301 | || (current->num_chars == 0 | |
2302 | && current->buflen == d.buflen | |
2303 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2304 | ++current->repeat_count; | |
2305 | else | |
2306 | break; | |
2307 | } | |
2308 | else | |
2309 | break; | |
2310 | } | |
2311 | ||
2312 | /* Push this next converted character onto the result vector. */ | |
2313 | repeat = current->repeat_count; | |
b01ba14d | 2314 | vec->push_back (d); |
0d63ecda KS |
2315 | return repeat; |
2316 | } | |
2317 | } | |
2318 | ||
2319 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2320 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2321 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2322 | is the user's print options. */ |
2323 | ||
2324 | static void | |
2325 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2326 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2327 | int quote_char, int width, |
2328 | enum bfd_endian byte_order, | |
2329 | const struct value_print_options *options) | |
2330 | { | |
2331 | unsigned int idx; | |
b01ba14d | 2332 | const converted_character *elem; |
0d63ecda KS |
2333 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2334 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2335 | int need_escape = 0; | |
2336 | ||
2337 | /* Set the start state. */ | |
2338 | idx = 0; | |
2339 | last = state = START; | |
2340 | elem = NULL; | |
2341 | ||
2342 | while (1) | |
2343 | { | |
2344 | switch (state) | |
2345 | { | |
2346 | case START: | |
2347 | /* Nothing to do. */ | |
2348 | break; | |
2349 | ||
2350 | case SINGLE: | |
2351 | { | |
2352 | int j; | |
2353 | ||
2354 | /* We are outputting a single character | |
2355 | (< options->repeat_count_threshold). */ | |
2356 | ||
2357 | if (last != SINGLE) | |
2358 | { | |
2359 | /* We were outputting some other type of content, so we | |
2360 | must output and a comma and a quote. */ | |
2361 | if (last != START) | |
2362 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2363 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2364 | } | |
2365 | /* Output the character. */ | |
2366 | for (j = 0; j < elem->repeat_count; ++j) | |
2367 | { | |
2368 | if (elem->result == wchar_iterate_ok) | |
2369 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2370 | byte_order, obstack, quote_char, &need_escape); | |
2371 | else | |
2372 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2373 | byte_order, obstack, quote_char, &need_escape); | |
2374 | } | |
2375 | } | |
2376 | break; | |
2377 | ||
2378 | case REPEAT: | |
2379 | { | |
2380 | int j; | |
0d63ecda KS |
2381 | |
2382 | /* We are outputting a character with a repeat count | |
2383 | greater than options->repeat_count_threshold. */ | |
2384 | ||
2385 | if (last == SINGLE) | |
2386 | { | |
2387 | /* We were outputting a single string. Terminate the | |
2388 | string. */ | |
0d63ecda KS |
2389 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2390 | } | |
2391 | if (last != START) | |
2392 | obstack_grow_wstr (obstack, LCST (", ")); | |
2393 | ||
2394 | /* Output the character and repeat string. */ | |
2395 | obstack_grow_wstr (obstack, LCST ("'")); | |
2396 | if (elem->result == wchar_iterate_ok) | |
2397 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2398 | byte_order, obstack, quote_char, &need_escape); | |
2399 | else | |
2400 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2401 | byte_order, obstack, quote_char, &need_escape); | |
2402 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2403 | std::string s = string_printf (_(" <repeats %u times>"), |
2404 | elem->repeat_count); | |
0d63ecda KS |
2405 | for (j = 0; s[j]; ++j) |
2406 | { | |
2407 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2408 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2409 | } | |
0d63ecda KS |
2410 | } |
2411 | break; | |
2412 | ||
2413 | case INCOMPLETE: | |
2414 | /* We are outputting an incomplete sequence. */ | |
2415 | if (last == SINGLE) | |
2416 | { | |
2417 | /* If we were outputting a string of SINGLE characters, | |
2418 | terminate the quote. */ | |
0d63ecda KS |
2419 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2420 | } | |
2421 | if (last != START) | |
2422 | obstack_grow_wstr (obstack, LCST (", ")); | |
2423 | ||
2424 | /* Output the incomplete sequence string. */ | |
2425 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2426 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2427 | obstack, 0, &need_escape); | |
2428 | obstack_grow_wstr (obstack, LCST (">")); | |
2429 | ||
85102364 | 2430 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
2431 | state = FINISH; |
2432 | break; | |
2433 | ||
2434 | case FINISH: | |
2435 | /* All done. If we were outputting a string of SINGLE | |
2436 | characters, the string must be terminated. Otherwise, | |
2437 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2438 | if (last == SINGLE) | |
e93a8774 | 2439 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2440 | |
2441 | return; | |
2442 | } | |
2443 | ||
2444 | /* Get the next element and state. */ | |
2445 | last = state; | |
2446 | if (state != FINISH) | |
2447 | { | |
b01ba14d | 2448 | elem = &chars[idx++]; |
0d63ecda KS |
2449 | switch (elem->result) |
2450 | { | |
2451 | case wchar_iterate_ok: | |
2452 | case wchar_iterate_invalid: | |
2453 | if (elem->repeat_count > options->repeat_count_threshold) | |
2454 | state = REPEAT; | |
2455 | else | |
2456 | state = SINGLE; | |
2457 | break; | |
2458 | ||
2459 | case wchar_iterate_incomplete: | |
2460 | state = INCOMPLETE; | |
2461 | break; | |
2462 | ||
2463 | case wchar_iterate_eof: | |
2464 | state = FINISH; | |
2465 | break; | |
2466 | } | |
2467 | } | |
2468 | } | |
2469 | } | |
2470 | ||
3b2b8fea TT |
2471 | /* Print the character string STRING, printing at most LENGTH |
2472 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2473 | the type of each character. OPTIONS holds the printing options; | |
2474 | printing stops early if the number hits print_max; repeat counts | |
2475 | are printed as appropriate. Print ellipses at the end if we had to | |
2476 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2477 | QUOTE_CHAR is the character to print at each end of the string. If | |
2478 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2479 | omitted. */ | |
2480 | ||
2481 | void | |
2482 | generic_printstr (struct ui_file *stream, struct type *type, | |
2483 | const gdb_byte *string, unsigned int length, | |
2484 | const char *encoding, int force_ellipses, | |
2485 | int quote_char, int c_style_terminator, | |
2486 | const struct value_print_options *options) | |
2487 | { | |
34877895 | 2488 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 2489 | unsigned int i; |
df86565b | 2490 | int width = type->length (); |
3b2b8fea | 2491 | int finished = 0; |
0d63ecda | 2492 | struct converted_character *last; |
3b2b8fea TT |
2493 | |
2494 | if (length == -1) | |
2495 | { | |
2496 | unsigned long current_char = 1; | |
2497 | ||
2498 | for (i = 0; current_char; ++i) | |
2499 | { | |
2500 | QUIT; | |
2501 | current_char = extract_unsigned_integer (string + i * width, | |
2502 | width, byte_order); | |
2503 | } | |
2504 | length = i; | |
2505 | } | |
2506 | ||
2507 | /* If the string was not truncated due to `set print elements', and | |
2508 | the last byte of it is a null, we don't print that, in | |
2509 | traditional C style. */ | |
2510 | if (c_style_terminator | |
2511 | && !force_ellipses | |
2512 | && length > 0 | |
2513 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2514 | width, byte_order) == 0)) | |
2515 | length--; | |
2516 | ||
2517 | if (length == 0) | |
2518 | { | |
1be8435c | 2519 | gdb_printf (stream, "%c%c", quote_char, quote_char); |
3b2b8fea TT |
2520 | return; |
2521 | } | |
2522 | ||
2523 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2524 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2525 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2526 | |
0d63ecda KS |
2527 | /* Convert characters until the string is over or the maximum |
2528 | number of printed characters has been reached. */ | |
2529 | i = 0; | |
2530 | while (i < options->print_max) | |
3b2b8fea | 2531 | { |
0d63ecda | 2532 | int r; |
3b2b8fea TT |
2533 | |
2534 | QUIT; | |
2535 | ||
0d63ecda | 2536 | /* Grab the next character and repeat count. */ |
cda6c55b | 2537 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2538 | |
0d63ecda KS |
2539 | /* If less than zero, the end of the input string was reached. */ |
2540 | if (r < 0) | |
2541 | break; | |
3b2b8fea | 2542 | |
0d63ecda KS |
2543 | /* Otherwise, add the count to the total print count and get |
2544 | the next character. */ | |
2545 | i += r; | |
2546 | } | |
3b2b8fea | 2547 | |
0d63ecda KS |
2548 | /* Get the last element and determine if the entire string was |
2549 | processed. */ | |
b01ba14d | 2550 | last = &converted_chars.back (); |
0d63ecda | 2551 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2552 | |
0d63ecda KS |
2553 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2554 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2555 | |
0d63ecda KS |
2556 | /* WCHAR_BUF is the obstack we use to represent the string in |
2557 | wchar_t form. */ | |
8268c778 | 2558 | auto_obstack wchar_buf; |
3b2b8fea | 2559 | |
0d63ecda KS |
2560 | /* Print the output string to the obstack. */ |
2561 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2562 | width, byte_order, options); | |
3b2b8fea TT |
2563 | |
2564 | if (force_ellipses || !finished) | |
2565 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2566 | ||
2567 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2568 | auto_obstack output; |
3b2b8fea TT |
2569 | |
2570 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2571 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2572 | obstack_object_size (&wchar_buf), |
fff10684 | 2573 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2574 | obstack_1grow (&output, '\0'); |
2575 | ||
0426ad51 | 2576 | gdb_puts ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2577 | } |
2578 | ||
ae6a3a4c TJB |
2579 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2580 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2581 | stops at the first null byte, otherwise printing proceeds (including null | |
2582 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2583 | whichever is smaller. ENCODING is the name of the string's |
2584 | encoding. It can be NULL, in which case the target encoding is | |
2585 | assumed. */ | |
ae6a3a4c TJB |
2586 | |
2587 | int | |
09ca9e2e TT |
2588 | val_print_string (struct type *elttype, const char *encoding, |
2589 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2590 | struct ui_file *stream, |
ae6a3a4c TJB |
2591 | const struct value_print_options *options) |
2592 | { | |
2593 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2594 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2595 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2596 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2597 | int bytes_read; | |
b4be9fad | 2598 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
8ee511af | 2599 | struct gdbarch *gdbarch = elttype->arch (); |
34877895 | 2600 | enum bfd_endian byte_order = type_byte_order (elttype); |
df86565b | 2601 | int width = elttype->length (); |
ae6a3a4c TJB |
2602 | |
2603 | /* First we need to figure out the limit on the number of characters we are | |
2604 | going to attempt to fetch and print. This is actually pretty simple. If | |
2605 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2606 | LEN is -1, then the limit is print_max. This is true regardless of | |
2607 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2608 | because finding the null byte (or available memory) is what actually | |
2609 | limits the fetch. */ | |
2610 | ||
325fac50 PA |
2611 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2612 | options->print_max)); | |
ae6a3a4c | 2613 | |
9da74023 | 2614 | err = target_read_string (addr, len, width, fetchlimit, |
3b1bdd53 | 2615 | &buffer, &bytes_read); |
ae6a3a4c TJB |
2616 | |
2617 | addr += bytes_read; | |
c906108c | 2618 | |
3e43a32a MS |
2619 | /* We now have either successfully filled the buffer to fetchlimit, |
2620 | or terminated early due to an error or finding a null char when | |
2621 | LEN is -1. */ | |
ae6a3a4c TJB |
2622 | |
2623 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2624 | found_nul = 0; |
2625 | if (bytes_read >= width) | |
b4be9fad TT |
2626 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2627 | width, byte_order) == 0; | |
c906108c SS |
2628 | if (len == -1 && !found_nul) |
2629 | { | |
777ea8f1 | 2630 | gdb_byte *peekbuf; |
c906108c | 2631 | |
ae6a3a4c | 2632 | /* We didn't find a NUL terminator we were looking for. Attempt |
dda83cd7 SM |
2633 | to peek at the next character. If not successful, or it is not |
2634 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2635 | |
777ea8f1 | 2636 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2637 | |
2638 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2639 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2640 | force_ellipsis = 1; |
2641 | } | |
d09f2c3f | 2642 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2643 | { |
2644 | /* Getting an error when we have a requested length, or fetching less | |
dda83cd7 SM |
2645 | than the number of characters actually requested, always make us |
2646 | print ellipsis. */ | |
c906108c SS |
2647 | force_ellipsis = 1; |
2648 | } | |
2649 | ||
c906108c SS |
2650 | /* If we get an error before fetching anything, don't print a string. |
2651 | But if we fetch something and then get an error, print the string | |
2652 | and then the error message. */ | |
d09f2c3f | 2653 | if (err == 0 || bytes_read > 0) |
660da3c1 TT |
2654 | current_language->printstr (stream, elttype, buffer.get (), |
2655 | bytes_read / width, | |
2656 | encoding, force_ellipsis, options); | |
c906108c | 2657 | |
d09f2c3f | 2658 | if (err != 0) |
c906108c | 2659 | { |
1ccbe998 | 2660 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 2661 | |
6cb06a8c TT |
2662 | gdb_printf (stream, _("<error: %ps>"), |
2663 | styled_string (metadata_style.style (), | |
2664 | str.c_str ())); | |
c906108c | 2665 | } |
ae6a3a4c | 2666 | |
ae6a3a4c | 2667 | return (bytes_read / width); |
c906108c | 2668 | } |
2e62ab40 AB |
2669 | |
2670 | /* Handle 'show print max-depth'. */ | |
2671 | ||
2672 | static void | |
2673 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2674 | struct cmd_list_element *c, const char *value) | |
2675 | { | |
6cb06a8c | 2676 | gdb_printf (file, _("Maximum print depth is %s.\n"), value); |
2e62ab40 | 2677 | } |
c906108c | 2678 | \f |
c5aa993b | 2679 | |
09e6485f PA |
2680 | /* The 'set input-radix' command writes to this auxiliary variable. |
2681 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2682 | it is left unchanged. */ | |
2683 | ||
2684 | static unsigned input_radix_1 = 10; | |
2685 | ||
c906108c SS |
2686 | /* Validate an input or output radix setting, and make sure the user |
2687 | knows what they really did here. Radix setting is confusing, e.g. | |
2688 | setting the input radix to "10" never changes it! */ | |
2689 | ||
c906108c | 2690 | static void |
eb4c3f4a | 2691 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2692 | { |
09e6485f | 2693 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2694 | } |
2695 | ||
c906108c | 2696 | static void |
fba45db2 | 2697 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2698 | { |
2699 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2700 | make any mathematical sense. In theory, we can deal with any input | |
2701 | radix greater than 1, even if we don't have unique digits for every | |
2702 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2703 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2704 | (FIXME). */ |
c906108c SS |
2705 | |
2706 | if (radix < 2) | |
2707 | { | |
09e6485f | 2708 | input_radix_1 = input_radix; |
8a3fe4f8 | 2709 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2710 | radix); |
2711 | } | |
09e6485f | 2712 | input_radix_1 = input_radix = radix; |
c906108c SS |
2713 | if (from_tty) |
2714 | { | |
6cb06a8c TT |
2715 | gdb_printf (_("Input radix now set to " |
2716 | "decimal %u, hex %x, octal %o.\n"), | |
2717 | radix, radix, radix); | |
c906108c SS |
2718 | } |
2719 | } | |
2720 | ||
09e6485f PA |
2721 | /* The 'set output-radix' command writes to this auxiliary variable. |
2722 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2723 | otherwise, it is left unchanged. */ | |
2724 | ||
2725 | static unsigned output_radix_1 = 10; | |
2726 | ||
c906108c | 2727 | static void |
eb4c3f4a | 2728 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2729 | { |
09e6485f | 2730 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2731 | } |
2732 | ||
2733 | static void | |
fba45db2 | 2734 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2735 | { |
2736 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2737 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2738 | switch (radix) |
2739 | { | |
2740 | case 16: | |
79a45b7d | 2741 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2742 | break; |
2743 | case 10: | |
79a45b7d | 2744 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2745 | break; |
2746 | case 8: | |
79a45b7d | 2747 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2748 | break; |
2749 | default: | |
09e6485f | 2750 | output_radix_1 = output_radix; |
3e43a32a MS |
2751 | error (_("Unsupported output radix ``decimal %u''; " |
2752 | "output radix unchanged."), | |
c906108c SS |
2753 | radix); |
2754 | } | |
09e6485f | 2755 | output_radix_1 = output_radix = radix; |
c906108c SS |
2756 | if (from_tty) |
2757 | { | |
6cb06a8c TT |
2758 | gdb_printf (_("Output radix now set to " |
2759 | "decimal %u, hex %x, octal %o.\n"), | |
2760 | radix, radix, radix); | |
c906108c SS |
2761 | } |
2762 | } | |
2763 | ||
2764 | /* Set both the input and output radix at once. Try to set the output radix | |
2765 | first, since it has the most restrictive range. An radix that is valid as | |
2766 | an output radix is also valid as an input radix. | |
2767 | ||
2768 | It may be useful to have an unusual input radix. If the user wishes to | |
2769 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2770 | the 'set input-radix' command. */ |
c906108c SS |
2771 | |
2772 | static void | |
b0a8e6c4 | 2773 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2774 | { |
2775 | unsigned radix; | |
2776 | ||
bb518678 | 2777 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2778 | set_output_radix_1 (0, radix); |
2779 | set_input_radix_1 (0, radix); | |
2780 | if (from_tty) | |
2781 | { | |
6cb06a8c TT |
2782 | gdb_printf (_("Input and output radices now set to " |
2783 | "decimal %u, hex %x, octal %o.\n"), | |
2784 | radix, radix, radix); | |
c906108c SS |
2785 | } |
2786 | } | |
2787 | ||
581e13c1 | 2788 | /* Show both the input and output radices. */ |
c906108c | 2789 | |
c906108c | 2790 | static void |
b0a8e6c4 | 2791 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2792 | { |
2793 | if (from_tty) | |
2794 | { | |
2795 | if (input_radix == output_radix) | |
2796 | { | |
6cb06a8c TT |
2797 | gdb_printf (_("Input and output radices set to " |
2798 | "decimal %u, hex %x, octal %o.\n"), | |
2799 | input_radix, input_radix, input_radix); | |
c906108c SS |
2800 | } |
2801 | else | |
2802 | { | |
6cb06a8c TT |
2803 | gdb_printf (_("Input radix set to decimal " |
2804 | "%u, hex %x, octal %o.\n"), | |
2805 | input_radix, input_radix, input_radix); | |
2806 | gdb_printf (_("Output radix set to decimal " | |
2807 | "%u, hex %x, octal %o.\n"), | |
2808 | output_radix, output_radix, output_radix); | |
c906108c SS |
2809 | } |
2810 | } | |
2811 | } | |
c906108c | 2812 | \f |
c5aa993b | 2813 | |
7d8062de PA |
2814 | /* Controls printing of vtbl's. */ |
2815 | static void | |
2816 | show_vtblprint (struct ui_file *file, int from_tty, | |
2817 | struct cmd_list_element *c, const char *value) | |
2818 | { | |
6cb06a8c | 2819 | gdb_printf (file, _("\ |
7d8062de | 2820 | Printing of C++ virtual function tables is %s.\n"), |
6cb06a8c | 2821 | value); |
7d8062de PA |
2822 | } |
2823 | ||
2824 | /* Controls looking up an object's derived type using what we find in | |
2825 | its vtables. */ | |
2826 | static void | |
2827 | show_objectprint (struct ui_file *file, int from_tty, | |
2828 | struct cmd_list_element *c, | |
2829 | const char *value) | |
2830 | { | |
6cb06a8c | 2831 | gdb_printf (file, _("\ |
7d8062de | 2832 | Printing of object's derived type based on vtable info is %s.\n"), |
6cb06a8c | 2833 | value); |
7d8062de PA |
2834 | } |
2835 | ||
2836 | static void | |
2837 | show_static_field_print (struct ui_file *file, int from_tty, | |
2838 | struct cmd_list_element *c, | |
2839 | const char *value) | |
2840 | { | |
6cb06a8c TT |
2841 | gdb_printf (file, |
2842 | _("Printing of C++ static members is %s.\n"), | |
2843 | value); | |
7d8062de PA |
2844 | } |
2845 | ||
c906108c | 2846 | \f |
7d8062de PA |
2847 | |
2848 | /* A couple typedefs to make writing the options a bit more | |
2849 | convenient. */ | |
2850 | using boolean_option_def | |
2851 | = gdb::option::boolean_option_def<value_print_options>; | |
2852 | using uinteger_option_def | |
2853 | = gdb::option::uinteger_option_def<value_print_options>; | |
2854 | using zuinteger_unlimited_option_def | |
2855 | = gdb::option::zuinteger_unlimited_option_def<value_print_options>; | |
2856 | ||
85102364 | 2857 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
2858 | commands. */ |
2859 | static const gdb::option::option_def value_print_option_defs[] = { | |
2860 | ||
2861 | boolean_option_def { | |
2862 | "address", | |
2863 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
2864 | show_addressprint, /* show_cmd_cb */ | |
2865 | N_("Set printing of addresses."), | |
2866 | N_("Show printing of addresses."), | |
2867 | NULL, /* help_doc */ | |
2868 | }, | |
2869 | ||
2870 | boolean_option_def { | |
2871 | "array", | |
2872 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
2873 | show_prettyformat_arrays, /* show_cmd_cb */ | |
2874 | N_("Set pretty formatting of arrays."), | |
2875 | N_("Show pretty formatting of arrays."), | |
2876 | NULL, /* help_doc */ | |
2877 | }, | |
2878 | ||
2879 | boolean_option_def { | |
2880 | "array-indexes", | |
2881 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
2882 | show_print_array_indexes, /* show_cmd_cb */ | |
2883 | N_("Set printing of array indexes."), | |
590042fc | 2884 | N_("Show printing of array indexes."), |
7d8062de PA |
2885 | NULL, /* help_doc */ |
2886 | }, | |
2887 | ||
21a527df EL |
2888 | boolean_option_def { |
2889 | "nibbles", | |
2890 | [] (value_print_options *opt) { return &opt->nibblesprint; }, | |
2891 | show_nibbles, /* show_cmd_cb */ | |
2892 | N_("Set whether to print binary values in groups of four bits."), | |
2893 | N_("Show whether to print binary values in groups of four bits."), | |
2894 | NULL, /* help_doc */ | |
2895 | }, | |
2896 | ||
7d8062de PA |
2897 | uinteger_option_def { |
2898 | "elements", | |
2899 | [] (value_print_options *opt) { return &opt->print_max; }, | |
2900 | show_print_max, /* show_cmd_cb */ | |
2901 | N_("Set limit on string chars or array elements to print."), | |
2902 | N_("Show limit on string chars or array elements to print."), | |
2903 | N_("\"unlimited\" causes there to be no limit."), | |
2904 | }, | |
2905 | ||
2906 | zuinteger_unlimited_option_def { | |
2907 | "max-depth", | |
2908 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
2909 | show_print_max_depth, /* show_cmd_cb */ | |
2910 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
2911 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
2912 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
2913 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
2914 | Use \"unlimited\" to print the complete structure.") | |
2915 | }, | |
2916 | ||
bef382e6 LM |
2917 | boolean_option_def { |
2918 | "memory-tag-violations", | |
2919 | [] (value_print_options *opt) { return &opt->memory_tag_violations; }, | |
2920 | show_memory_tag_violations, /* show_cmd_cb */ | |
2921 | N_("Set printing of memory tag violations for pointers."), | |
2922 | N_("Show printing of memory tag violations for pointers."), | |
2923 | N_("Issue a warning when the printed value is a pointer\n\ | |
2924 | whose logical tag doesn't match the allocation tag of the memory\n\ | |
2925 | location it points to."), | |
2926 | }, | |
2927 | ||
7d8062de PA |
2928 | boolean_option_def { |
2929 | "null-stop", | |
2930 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
2931 | show_stop_print_at_null, /* show_cmd_cb */ | |
2932 | N_("Set printing of char arrays to stop at first null char."), | |
2933 | N_("Show printing of char arrays to stop at first null char."), | |
2934 | NULL, /* help_doc */ | |
2935 | }, | |
2936 | ||
2937 | boolean_option_def { | |
2938 | "object", | |
2939 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
2940 | show_objectprint, /* show_cmd_cb */ | |
2941 | _("Set printing of C++ virtual function tables."), | |
2942 | _("Show printing of C++ virtual function tables."), | |
2943 | NULL, /* help_doc */ | |
2944 | }, | |
2945 | ||
2946 | boolean_option_def { | |
2947 | "pretty", | |
2948 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
2949 | show_prettyformat_structs, /* show_cmd_cb */ | |
2950 | N_("Set pretty formatting of structures."), | |
2951 | N_("Show pretty formatting of structures."), | |
2952 | NULL, /* help_doc */ | |
2953 | }, | |
2954 | ||
d8edc8b7 PW |
2955 | boolean_option_def { |
2956 | "raw-values", | |
2957 | [] (value_print_options *opt) { return &opt->raw; }, | |
2958 | NULL, /* show_cmd_cb */ | |
2959 | N_("Set whether to print values in raw form."), | |
2960 | N_("Show whether to print values in raw form."), | |
2961 | N_("If set, values are printed in raw form, bypassing any\n\ | |
2962 | pretty-printers for that value.") | |
2963 | }, | |
2964 | ||
7d8062de PA |
2965 | uinteger_option_def { |
2966 | "repeats", | |
2967 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
2968 | show_repeat_count_threshold, /* show_cmd_cb */ | |
2969 | N_("Set threshold for repeated print elements."), | |
2970 | N_("Show threshold for repeated print elements."), | |
2971 | N_("\"unlimited\" causes all elements to be individually printed."), | |
2972 | }, | |
2973 | ||
2974 | boolean_option_def { | |
2975 | "static-members", | |
2976 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
2977 | show_static_field_print, /* show_cmd_cb */ | |
2978 | N_("Set printing of C++ static members."), | |
2979 | N_("Show printing of C++ static members."), | |
2980 | NULL, /* help_doc */ | |
2981 | }, | |
2982 | ||
2983 | boolean_option_def { | |
2984 | "symbol", | |
2985 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
2986 | show_symbol_print, /* show_cmd_cb */ | |
2987 | N_("Set printing of symbol names when printing pointers."), | |
2988 | N_("Show printing of symbol names when printing pointers."), | |
2989 | NULL, /* help_doc */ | |
2990 | }, | |
2991 | ||
2992 | boolean_option_def { | |
2993 | "union", | |
2994 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
2995 | show_unionprint, /* show_cmd_cb */ | |
2996 | N_("Set printing of unions interior to structures."), | |
2997 | N_("Show printing of unions interior to structures."), | |
2998 | NULL, /* help_doc */ | |
2999 | }, | |
3000 | ||
3001 | boolean_option_def { | |
3002 | "vtbl", | |
3003 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3004 | show_vtblprint, /* show_cmd_cb */ | |
3005 | N_("Set printing of C++ virtual function tables."), | |
3006 | N_("Show printing of C++ virtual function tables."), | |
3007 | NULL, /* help_doc */ | |
3008 | }, | |
3009 | }; | |
3010 | ||
3011 | /* See valprint.h. */ | |
3012 | ||
3013 | gdb::option::option_def_group | |
3014 | make_value_print_options_def_group (value_print_options *opts) | |
3015 | { | |
3016 | return {{value_print_option_defs}, opts}; | |
3017 | } | |
3018 | ||
c9bd9859 SV |
3019 | #if GDB_SELF_TEST |
3020 | ||
3021 | /* Test printing of TYPE_CODE_FLAGS values. */ | |
3022 | ||
3023 | static void | |
3024 | test_print_flags (gdbarch *arch) | |
3025 | { | |
3026 | type *flags_type = arch_flags_type (arch, "test_type", 32); | |
3027 | type *field_type = builtin_type (arch)->builtin_uint32; | |
3028 | ||
3029 | /* Value: 1010 1010 | |
3030 | Fields: CCCB BAAA */ | |
3031 | append_flags_type_field (flags_type, 0, 3, field_type, "A"); | |
3032 | append_flags_type_field (flags_type, 3, 2, field_type, "B"); | |
3033 | append_flags_type_field (flags_type, 5, 3, field_type, "C"); | |
3034 | ||
3035 | value *val = allocate_value (flags_type); | |
50888e42 | 3036 | gdb_byte *contents = value_contents_writeable (val).data (); |
c9bd9859 SV |
3037 | store_unsigned_integer (contents, 4, gdbarch_byte_order (arch), 0xaa); |
3038 | ||
3039 | string_file out; | |
3040 | val_print_type_code_flags (flags_type, val, 0, &out); | |
3041 | SELF_CHECK (out.string () == "[ A=2 B=1 C=5 ]"); | |
3042 | } | |
3043 | ||
3044 | #endif | |
3045 | ||
6c265988 | 3046 | void _initialize_valprint (); |
c906108c | 3047 | void |
6c265988 | 3048 | _initialize_valprint () |
c906108c | 3049 | { |
c9bd9859 SV |
3050 | #if GDB_SELF_TEST |
3051 | selftests::register_test_foreach_arch ("print-flags", test_print_flags); | |
3052 | #endif | |
3053 | ||
f54bdb6d SM |
3054 | set_show_commands setshow_print_cmds |
3055 | = add_setshow_prefix_cmd ("print", no_class, | |
3056 | _("Generic command for setting how things print."), | |
3057 | _("Generic command for showing print settings."), | |
3058 | &setprintlist, &showprintlist, | |
3059 | &setlist, &showlist); | |
3060 | add_alias_cmd ("p", setshow_print_cmds.set, no_class, 1, &setlist); | |
581e13c1 | 3061 | /* Prefer set print to set prompt. */ |
f54bdb6d SM |
3062 | add_alias_cmd ("pr", setshow_print_cmds.set, no_class, 1, &setlist); |
3063 | add_alias_cmd ("p", setshow_print_cmds.show, no_class, 1, &showlist); | |
3064 | add_alias_cmd ("pr", setshow_print_cmds.show, no_class, 1, &showlist); | |
3065 | ||
3066 | set_show_commands setshow_print_raw_cmds | |
3067 | = add_setshow_prefix_cmd | |
3068 | ("raw", no_class, | |
3069 | _("Generic command for setting what things to print in \"raw\" mode."), | |
3070 | _("Generic command for showing \"print raw\" settings."), | |
3071 | &setprintrawlist, &showprintrawlist, &setprintlist, &showprintlist); | |
3072 | deprecate_cmd (setshow_print_raw_cmds.set, nullptr); | |
3073 | deprecate_cmd (setshow_print_raw_cmds.show, nullptr); | |
e7045703 | 3074 | |
7d8062de PA |
3075 | gdb::option::add_setshow_cmds_for_options |
3076 | (class_support, &user_print_options, value_print_option_defs, | |
3077 | &setprintlist, &showprintlist); | |
9cb709b6 | 3078 | |
1e8fb976 PA |
3079 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3080 | _("\ | |
35096d9d AC |
3081 | Set default input radix for entering numbers."), _("\ |
3082 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3083 | set_input_radix, |
3084 | show_input_radix, | |
3085 | &setlist, &showlist); | |
35096d9d | 3086 | |
1e8fb976 PA |
3087 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3088 | _("\ | |
35096d9d AC |
3089 | Set default output radix for printing of values."), _("\ |
3090 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3091 | set_output_radix, |
3092 | show_output_radix, | |
3093 | &setlist, &showlist); | |
c906108c | 3094 | |
cb1a6d5f AC |
3095 | /* The "set radix" and "show radix" commands are special in that |
3096 | they are like normal set and show commands but allow two normally | |
3097 | independent variables to be either set or shown with a single | |
b66df561 | 3098 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3099 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3100 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3101 | longer true - show can display anything. */ | |
1a966eab AC |
3102 | add_cmd ("radix", class_support, set_radix, _("\ |
3103 | Set default input and output number radices.\n\ | |
c906108c | 3104 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3105 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3106 | &setlist); |
1a966eab AC |
3107 | add_cmd ("radix", class_support, show_radix, _("\ |
3108 | Show the default input and output number radices.\n\ | |
3109 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3110 | &showlist); |
c906108c | 3111 | } |