Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
c906108c SS |
21 | #include "symtab.h" |
22 | #include "gdbtypes.h" | |
23 | #include "value.h" | |
24 | #include "gdbcore.h" | |
25 | #include "gdbcmd.h" | |
26 | #include "target.h" | |
c906108c | 27 | #include "language.h" |
c906108c SS |
28 | #include "annotate.h" |
29 | #include "valprint.h" | |
f69fdf9b | 30 | #include "target-float.h" |
6dddc817 | 31 | #include "extension.h" |
0c3acc09 | 32 | #include "ada-lang.h" |
3b2b8fea TT |
33 | #include "gdb_obstack.h" |
34 | #include "charset.h" | |
3f2f83dd | 35 | #include "typeprint.h" |
3b2b8fea | 36 | #include <ctype.h> |
325fac50 | 37 | #include <algorithm> |
268a13a5 | 38 | #include "gdbsupport/byte-vector.h" |
7d8062de | 39 | #include "cli/cli-option.h" |
0d12e84c | 40 | #include "gdbarch.h" |
7f6aba03 | 41 | #include "cli/cli-style.h" |
edd45eb0 | 42 | #include "count-one-bits.h" |
c906108c | 43 | |
0d63ecda KS |
44 | /* Maximum number of wchars returned from wchar_iterate. */ |
45 | #define MAX_WCHARS 4 | |
46 | ||
47 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
48 | characters. */ | |
49 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
50 | ||
51 | /* Character buffer size saved while iterating over wchars. */ | |
52 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
53 | ||
54 | /* A structure to encapsulate state information from iterated | |
55 | character conversions. */ | |
56 | struct converted_character | |
57 | { | |
58 | /* The number of characters converted. */ | |
59 | int num_chars; | |
60 | ||
61 | /* The result of the conversion. See charset.h for more. */ | |
62 | enum wchar_iterate_result result; | |
63 | ||
64 | /* The (saved) converted character(s). */ | |
65 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
66 | ||
67 | /* The first converted target byte. */ | |
68 | const gdb_byte *buf; | |
69 | ||
70 | /* The number of bytes converted. */ | |
71 | size_t buflen; | |
72 | ||
73 | /* How many times this character(s) is repeated. */ | |
74 | int repeat_count; | |
75 | }; | |
76 | ||
e7045703 DE |
77 | /* Command lists for set/show print raw. */ |
78 | struct cmd_list_element *setprintrawlist; | |
79 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 80 | |
c906108c SS |
81 | /* Prototypes for local functions */ |
82 | ||
777ea8f1 | 83 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 84 | int len, int *errptr); |
917317f4 | 85 | |
a14ed312 | 86 | static void set_input_radix_1 (int, unsigned); |
c906108c | 87 | |
a14ed312 | 88 | static void set_output_radix_1 (int, unsigned); |
c906108c | 89 | |
81516450 | 90 | static void val_print_type_code_flags (struct type *type, |
65786af6 TT |
91 | struct value *original_value, |
92 | int embedded_offset, | |
81516450 DE |
93 | struct ui_file *stream); |
94 | ||
581e13c1 | 95 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
2e62ab40 | 96 | #define PRINT_MAX_DEPTH_DEFAULT 20 /* Start print_max_depth off at this value. */ |
79a45b7d TT |
97 | |
98 | struct value_print_options user_print_options = | |
99 | { | |
2a998fc0 DE |
100 | Val_prettyformat_default, /* prettyformat */ |
101 | 0, /* prettyformat_arrays */ | |
102 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
103 | 0, /* vtblprint */ |
104 | 1, /* unionprint */ | |
105 | 1, /* addressprint */ | |
106 | 0, /* objectprint */ | |
107 | PRINT_MAX_DEFAULT, /* print_max */ | |
108 | 10, /* repeat_count_threshold */ | |
109 | 0, /* output_format */ | |
110 | 0, /* format */ | |
111 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
112 | 0, /* print_array_indexes */ |
113 | 0, /* deref_ref */ | |
114 | 1, /* static_field_print */ | |
a6bac58e TT |
115 | 1, /* pascal_static_field_print */ |
116 | 0, /* raw */ | |
9cb709b6 | 117 | 0, /* summary */ |
2e62ab40 | 118 | 1, /* symbol_print */ |
000439d5 TT |
119 | PRINT_MAX_DEPTH_DEFAULT, /* max_depth */ |
120 | 1 /* finish_print */ | |
79a45b7d TT |
121 | }; |
122 | ||
123 | /* Initialize *OPTS to be a copy of the user print options. */ | |
124 | void | |
125 | get_user_print_options (struct value_print_options *opts) | |
126 | { | |
127 | *opts = user_print_options; | |
128 | } | |
129 | ||
130 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 131 | pretty-formatting disabled. */ |
79a45b7d | 132 | void |
2a998fc0 | 133 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
134 | { |
135 | *opts = user_print_options; | |
2a998fc0 | 136 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
137 | } |
138 | ||
139 | /* Initialize *OPTS to be a copy of the user print options, but using | |
140 | FORMAT as the formatting option. */ | |
141 | void | |
142 | get_formatted_print_options (struct value_print_options *opts, | |
143 | char format) | |
144 | { | |
145 | *opts = user_print_options; | |
146 | opts->format = format; | |
147 | } | |
148 | ||
920d2a44 AC |
149 | static void |
150 | show_print_max (struct ui_file *file, int from_tty, | |
151 | struct cmd_list_element *c, const char *value) | |
152 | { | |
3e43a32a MS |
153 | fprintf_filtered (file, |
154 | _("Limit on string chars or array " | |
155 | "elements to print is %s.\n"), | |
920d2a44 AC |
156 | value); |
157 | } | |
158 | ||
c906108c SS |
159 | |
160 | /* Default input and output radixes, and output format letter. */ | |
161 | ||
162 | unsigned input_radix = 10; | |
920d2a44 AC |
163 | static void |
164 | show_input_radix (struct ui_file *file, int from_tty, | |
165 | struct cmd_list_element *c, const char *value) | |
166 | { | |
3e43a32a MS |
167 | fprintf_filtered (file, |
168 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
169 | value); |
170 | } | |
171 | ||
c906108c | 172 | unsigned output_radix = 10; |
920d2a44 AC |
173 | static void |
174 | show_output_radix (struct ui_file *file, int from_tty, | |
175 | struct cmd_list_element *c, const char *value) | |
176 | { | |
3e43a32a MS |
177 | fprintf_filtered (file, |
178 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
179 | value); |
180 | } | |
c906108c | 181 | |
e79af960 JB |
182 | /* By default we print arrays without printing the index of each element in |
183 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
184 | ||
e79af960 JB |
185 | static void |
186 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
187 | struct cmd_list_element *c, const char *value) | |
188 | { | |
189 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
190 | } | |
191 | ||
c906108c SS |
192 | /* Print repeat counts if there are more than this many repetitions of an |
193 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 194 | print routines. */ |
c906108c | 195 | |
920d2a44 AC |
196 | static void |
197 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
198 | struct cmd_list_element *c, const char *value) | |
199 | { | |
200 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
201 | value); | |
202 | } | |
c906108c | 203 | |
581e13c1 | 204 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 205 | |
920d2a44 AC |
206 | static void |
207 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
208 | struct cmd_list_element *c, const char *value) | |
209 | { | |
3e43a32a MS |
210 | fprintf_filtered (file, |
211 | _("Printing of char arrays to stop " | |
212 | "at first null char is %s.\n"), | |
920d2a44 AC |
213 | value); |
214 | } | |
c906108c | 215 | |
581e13c1 | 216 | /* Controls pretty printing of structures. */ |
c906108c | 217 | |
920d2a44 | 218 | static void |
2a998fc0 | 219 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
220 | struct cmd_list_element *c, const char *value) |
221 | { | |
2a998fc0 | 222 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 223 | } |
c906108c SS |
224 | |
225 | /* Controls pretty printing of arrays. */ | |
226 | ||
920d2a44 | 227 | static void |
2a998fc0 | 228 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
229 | struct cmd_list_element *c, const char *value) |
230 | { | |
2a998fc0 | 231 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 232 | } |
c906108c SS |
233 | |
234 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 235 | printed. */ |
c906108c | 236 | |
920d2a44 AC |
237 | static void |
238 | show_unionprint (struct ui_file *file, int from_tty, | |
239 | struct cmd_list_element *c, const char *value) | |
240 | { | |
3e43a32a MS |
241 | fprintf_filtered (file, |
242 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
243 | value); |
244 | } | |
c906108c | 245 | |
581e13c1 | 246 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 247 | |
920d2a44 AC |
248 | static void |
249 | show_addressprint (struct ui_file *file, int from_tty, | |
250 | struct cmd_list_element *c, const char *value) | |
251 | { | |
252 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
253 | } | |
9cb709b6 TT |
254 | |
255 | static void | |
256 | show_symbol_print (struct ui_file *file, int from_tty, | |
257 | struct cmd_list_element *c, const char *value) | |
258 | { | |
259 | fprintf_filtered (file, | |
260 | _("Printing of symbols when printing pointers is %s.\n"), | |
261 | value); | |
262 | } | |
263 | ||
c906108c | 264 | \f |
c5aa993b | 265 | |
a6bac58e TT |
266 | /* A helper function for val_print. When printing in "summary" mode, |
267 | we want to print scalar arguments, but not aggregate arguments. | |
268 | This function distinguishes between the two. */ | |
269 | ||
6211c335 YQ |
270 | int |
271 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 272 | { |
f168693b | 273 | type = check_typedef (type); |
aa006118 | 274 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e TT |
275 | { |
276 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 277 | type = check_typedef (type); |
a6bac58e TT |
278 | } |
279 | switch (TYPE_CODE (type)) | |
280 | { | |
281 | case TYPE_CODE_ARRAY: | |
282 | case TYPE_CODE_STRUCT: | |
283 | case TYPE_CODE_UNION: | |
284 | case TYPE_CODE_SET: | |
285 | case TYPE_CODE_STRING: | |
a6bac58e TT |
286 | return 0; |
287 | default: | |
288 | return 1; | |
289 | } | |
290 | } | |
291 | ||
2e62ab40 AB |
292 | /* A helper function for val_print. When printing with limited depth we |
293 | want to print string and scalar arguments, but not aggregate arguments. | |
294 | This function distinguishes between the two. */ | |
295 | ||
296 | static bool | |
297 | val_print_scalar_or_string_type_p (struct type *type, | |
298 | const struct language_defn *language) | |
299 | { | |
300 | return (val_print_scalar_type_p (type) | |
301 | || language->la_is_string_type_p (type)); | |
302 | } | |
303 | ||
a72c8f6a | 304 | /* See its definition in value.h. */ |
0e03807e | 305 | |
a72c8f6a | 306 | int |
0e03807e TT |
307 | valprint_check_validity (struct ui_file *stream, |
308 | struct type *type, | |
6b850546 | 309 | LONGEST embedded_offset, |
0e03807e TT |
310 | const struct value *val) |
311 | { | |
f168693b | 312 | type = check_typedef (type); |
0e03807e | 313 | |
3f2f83dd KB |
314 | if (type_not_associated (type)) |
315 | { | |
316 | val_print_not_associated (stream); | |
317 | return 0; | |
318 | } | |
319 | ||
320 | if (type_not_allocated (type)) | |
321 | { | |
322 | val_print_not_allocated (stream); | |
323 | return 0; | |
324 | } | |
325 | ||
0e03807e TT |
326 | if (TYPE_CODE (type) != TYPE_CODE_UNION |
327 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
328 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
329 | { | |
9a0dc9e3 PA |
330 | if (value_bits_any_optimized_out (val, |
331 | TARGET_CHAR_BIT * embedded_offset, | |
332 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 333 | { |
901461f8 | 334 | val_print_optimized_out (val, stream); |
0e03807e TT |
335 | return 0; |
336 | } | |
8cf6f0b1 | 337 | |
4e07d55f | 338 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
339 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
340 | { | |
3326303b MG |
341 | const int is_ref = TYPE_CODE (type) == TYPE_CODE_REF; |
342 | int ref_is_addressable = 0; | |
343 | ||
344 | if (is_ref) | |
345 | { | |
346 | const struct value *deref_val = coerce_ref_if_computed (val); | |
347 | ||
348 | if (deref_val != NULL) | |
349 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
350 | } | |
351 | ||
352 | if (!is_ref || !ref_is_addressable) | |
7f6aba03 TT |
353 | fputs_styled (_("<synthetic pointer>"), metadata_style.style (), |
354 | stream); | |
3326303b MG |
355 | |
356 | /* C++ references should be valid even if they're synthetic. */ | |
357 | return is_ref; | |
8cf6f0b1 | 358 | } |
4e07d55f PA |
359 | |
360 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
361 | { | |
362 | val_print_unavailable (stream); | |
363 | return 0; | |
364 | } | |
0e03807e TT |
365 | } |
366 | ||
367 | return 1; | |
368 | } | |
369 | ||
585fdaa1 | 370 | void |
901461f8 | 371 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 372 | { |
901461f8 | 373 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 374 | val_print_not_saved (stream); |
901461f8 | 375 | else |
7f6aba03 | 376 | fprintf_styled (stream, metadata_style.style (), _("<optimized out>")); |
585fdaa1 PA |
377 | } |
378 | ||
782d47df PA |
379 | void |
380 | val_print_not_saved (struct ui_file *stream) | |
381 | { | |
7f6aba03 | 382 | fprintf_styled (stream, metadata_style.style (), _("<not saved>")); |
782d47df PA |
383 | } |
384 | ||
4e07d55f PA |
385 | void |
386 | val_print_unavailable (struct ui_file *stream) | |
387 | { | |
7f6aba03 | 388 | fprintf_styled (stream, metadata_style.style (), _("<unavailable>")); |
4e07d55f PA |
389 | } |
390 | ||
8af8e3bc PA |
391 | void |
392 | val_print_invalid_address (struct ui_file *stream) | |
393 | { | |
7f6aba03 | 394 | fprintf_styled (stream, metadata_style.style (), _("<invalid address>")); |
8af8e3bc PA |
395 | } |
396 | ||
9f436164 SM |
397 | /* Print a pointer based on the type of its target. |
398 | ||
399 | Arguments to this functions are roughly the same as those in | |
400 | generic_val_print. A difference is that ADDRESS is the address to print, | |
401 | with embedded_offset already added. ELTTYPE represents | |
402 | the pointed type after check_typedef. */ | |
403 | ||
404 | static void | |
405 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
406 | CORE_ADDR address, struct ui_file *stream, | |
407 | const struct value_print_options *options) | |
408 | { | |
409 | struct gdbarch *gdbarch = get_type_arch (type); | |
410 | ||
411 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
412 | { | |
413 | /* Try to print what function it points to. */ | |
414 | print_function_pointer_address (options, gdbarch, address, stream); | |
415 | return; | |
416 | } | |
417 | ||
418 | if (options->symbol_print) | |
419 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
420 | else if (options->addressprint) | |
421 | fputs_filtered (paddress (gdbarch, address), stream); | |
422 | } | |
423 | ||
557dbe8a SM |
424 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
425 | ||
426 | static void | |
426a9c18 | 427 | generic_val_print_array (struct value *val, |
00272ec4 | 428 | struct ui_file *stream, int recurse, |
00272ec4 TT |
429 | const struct value_print_options *options, |
430 | const struct | |
431 | generic_val_print_decorations *decorations) | |
557dbe8a | 432 | { |
426a9c18 | 433 | struct type *type = check_typedef (value_type (val)); |
557dbe8a SM |
434 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); |
435 | struct type *elttype = check_typedef (unresolved_elttype); | |
436 | ||
437 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
438 | { | |
439 | LONGEST low_bound, high_bound; | |
440 | ||
441 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
442 | error (_("Could not determine the array high bound")); | |
443 | ||
444 | if (options->prettyformat_arrays) | |
445 | { | |
446 | print_spaces_filtered (2 + 2 * recurse, stream); | |
447 | } | |
448 | ||
00272ec4 | 449 | fputs_filtered (decorations->array_start, stream); |
426a9c18 | 450 | value_print_array_elements (val, stream, recurse, options, 0); |
00272ec4 | 451 | fputs_filtered (decorations->array_end, stream); |
557dbe8a SM |
452 | } |
453 | else | |
454 | { | |
455 | /* Array of unspecified length: treat like pointer to first elt. */ | |
426a9c18 TT |
456 | print_unpacked_pointer (type, elttype, value_address (val), |
457 | stream, options); | |
557dbe8a SM |
458 | } |
459 | ||
460 | } | |
461 | ||
2a5b130b TT |
462 | /* generic_value_print helper for TYPE_CODE_PTR. */ |
463 | ||
464 | static void | |
465 | generic_value_print_ptr (struct value *val, struct ui_file *stream, | |
466 | const struct value_print_options *options) | |
467 | { | |
468 | ||
469 | if (options->format && options->format != 's') | |
470 | value_print_scalar_formatted (val, options, 0, stream); | |
471 | else | |
472 | { | |
473 | struct type *type = check_typedef (value_type (val)); | |
474 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
475 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
476 | CORE_ADDR addr = unpack_pointer (type, valaddr); | |
477 | ||
478 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
479 | } | |
480 | } | |
481 | ||
45000ea2 | 482 | |
3326303b MG |
483 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
484 | ||
485 | static void | |
486 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
487 | int embedded_offset, struct ui_file *stream) | |
488 | { | |
489 | struct gdbarch *gdbarch = get_type_arch (type); | |
490 | ||
491 | if (address_buffer != NULL) | |
492 | { | |
493 | CORE_ADDR address | |
494 | = extract_typed_address (address_buffer + embedded_offset, type); | |
495 | ||
496 | fprintf_filtered (stream, "@"); | |
497 | fputs_filtered (paddress (gdbarch, address), stream); | |
498 | } | |
499 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
500 | } | |
501 | ||
502 | /* If VAL is addressable, return the value contents buffer of a value that | |
503 | represents a pointer to VAL. Otherwise return NULL. */ | |
504 | ||
505 | static const gdb_byte * | |
506 | get_value_addr_contents (struct value *deref_val) | |
507 | { | |
508 | gdb_assert (deref_val != NULL); | |
509 | ||
510 | if (value_lval_const (deref_val) == lval_memory) | |
511 | return value_contents_for_printing_const (value_addr (deref_val)); | |
512 | else | |
513 | { | |
514 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
515 | return NULL; | |
516 | } | |
517 | } | |
518 | ||
aa006118 | 519 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
520 | |
521 | static void | |
e8b24d9f | 522 | generic_val_print_ref (struct type *type, |
fe43fede | 523 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 524 | struct value *original_value, |
fe43fede SM |
525 | const struct value_print_options *options) |
526 | { | |
fe43fede | 527 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
3326303b MG |
528 | struct value *deref_val = NULL; |
529 | const int value_is_synthetic | |
530 | = value_bits_synthetic_pointer (original_value, | |
531 | TARGET_CHAR_BIT * embedded_offset, | |
532 | TARGET_CHAR_BIT * TYPE_LENGTH (type)); | |
533 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) | |
534 | || options->deref_ref); | |
535 | const int type_is_defined = TYPE_CODE (elttype) != TYPE_CODE_UNDEF; | |
e8b24d9f | 536 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3326303b MG |
537 | |
538 | if (must_coerce_ref && type_is_defined) | |
539 | { | |
540 | deref_val = coerce_ref_if_computed (original_value); | |
541 | ||
542 | if (deref_val != NULL) | |
543 | { | |
544 | /* More complicated computed references are not supported. */ | |
545 | gdb_assert (embedded_offset == 0); | |
546 | } | |
547 | else | |
548 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
549 | unpack_pointer (type, valaddr + embedded_offset)); | |
550 | } | |
551 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
552 | the reference's contents. | |
553 | ||
554 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
555 | cause original_value to be a not_lval instead of an lval_computed, | |
556 | which will make value_bits_synthetic_pointer return false. | |
557 | This happens because if options->objectprint is true, c_value_print will | |
558 | overwrite original_value's contents with the result of coercing | |
559 | the reference through value_addr, and then set its type back to | |
560 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
561 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
562 | |
563 | if (options->addressprint) | |
564 | { | |
3326303b MG |
565 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
566 | ? get_value_addr_contents (deref_val) | |
567 | : valaddr); | |
568 | ||
569 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 570 | |
fe43fede SM |
571 | if (options->deref_ref) |
572 | fputs_filtered (": ", stream); | |
573 | } | |
3326303b | 574 | |
fe43fede SM |
575 | if (options->deref_ref) |
576 | { | |
3326303b MG |
577 | if (type_is_defined) |
578 | common_val_print (deref_val, stream, recurse, options, | |
579 | current_language); | |
fe43fede SM |
580 | else |
581 | fputs_filtered ("???", stream); | |
582 | } | |
583 | } | |
584 | ||
81516450 DE |
585 | /* Helper function for generic_val_print_enum. |
586 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
587 | |
588 | static void | |
81516450 DE |
589 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
590 | struct ui_file *stream) | |
ef0bc0dd SM |
591 | { |
592 | unsigned int i; | |
593 | unsigned int len; | |
ef0bc0dd | 594 | |
ef0bc0dd | 595 | len = TYPE_NFIELDS (type); |
ef0bc0dd SM |
596 | for (i = 0; i < len; i++) |
597 | { | |
598 | QUIT; | |
599 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
600 | { | |
601 | break; | |
602 | } | |
603 | } | |
604 | if (i < len) | |
605 | { | |
3f0cbb04 TT |
606 | fputs_styled (TYPE_FIELD_NAME (type, i), variable_name_style.style (), |
607 | stream); | |
ef0bc0dd SM |
608 | } |
609 | else if (TYPE_FLAG_ENUM (type)) | |
610 | { | |
611 | int first = 1; | |
612 | ||
6740f0cc SM |
613 | /* We have a "flag" enum, so we try to decompose it into pieces as |
614 | appropriate. The enum may have multiple enumerators representing | |
615 | the same bit, in which case we choose to only print the first one | |
616 | we find. */ | |
ef0bc0dd SM |
617 | for (i = 0; i < len; ++i) |
618 | { | |
619 | QUIT; | |
620 | ||
edd45eb0 SM |
621 | ULONGEST enumval = TYPE_FIELD_ENUMVAL (type, i); |
622 | int nbits = count_one_bits_ll (enumval); | |
623 | ||
624 | gdb_assert (nbits == 0 || nbits == 1); | |
625 | ||
626 | if ((val & enumval) != 0) | |
ef0bc0dd | 627 | { |
373d7ac0 SM |
628 | if (first) |
629 | { | |
630 | fputs_filtered ("(", stream); | |
631 | first = 0; | |
632 | } | |
633 | else | |
ef0bc0dd | 634 | fputs_filtered (" | ", stream); |
ef0bc0dd SM |
635 | |
636 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
3f0cbb04 TT |
637 | fputs_styled (TYPE_FIELD_NAME (type, i), |
638 | variable_name_style.style (), stream); | |
ef0bc0dd SM |
639 | } |
640 | } | |
641 | ||
373d7ac0 | 642 | if (val != 0) |
ef0bc0dd | 643 | { |
373d7ac0 SM |
644 | /* There are leftover bits, print them. */ |
645 | if (first) | |
646 | fputs_filtered ("(", stream); | |
647 | else | |
ef0bc0dd | 648 | fputs_filtered (" | ", stream); |
373d7ac0 | 649 | |
b29a2df0 SM |
650 | fputs_filtered ("unknown: 0x", stream); |
651 | print_longest (stream, 'x', 0, val); | |
373d7ac0 SM |
652 | fputs_filtered (")", stream); |
653 | } | |
654 | else if (first) | |
655 | { | |
656 | /* Nothing has been printed and the value is 0, the enum value must | |
657 | have been 0. */ | |
658 | fputs_filtered ("0", stream); | |
659 | } | |
660 | else | |
661 | { | |
662 | /* Something has been printed, close the parenthesis. */ | |
663 | fputs_filtered (")", stream); | |
ef0bc0dd | 664 | } |
ef0bc0dd SM |
665 | } |
666 | else | |
667 | print_longest (stream, 'd', 0, val); | |
668 | } | |
669 | ||
81516450 DE |
670 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
671 | ||
672 | static void | |
e8b24d9f | 673 | generic_val_print_enum (struct type *type, |
81516450 | 674 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 675 | struct value *original_value, |
81516450 DE |
676 | const struct value_print_options *options) |
677 | { | |
678 | LONGEST val; | |
679 | struct gdbarch *gdbarch = get_type_arch (type); | |
680 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
681 | ||
40f3ce18 | 682 | gdb_assert (!options->format); |
e8b24d9f | 683 | |
40f3ce18 | 684 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
81516450 | 685 | |
40f3ce18 TT |
686 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
687 | ||
688 | generic_val_print_enum_1 (type, val, stream); | |
81516450 DE |
689 | } |
690 | ||
4a8c372f SM |
691 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
692 | ||
693 | static void | |
e8b24d9f | 694 | generic_val_print_func (struct type *type, |
4a8c372f SM |
695 | int embedded_offset, CORE_ADDR address, |
696 | struct ui_file *stream, | |
e8b24d9f | 697 | struct value *original_value, |
4a8c372f SM |
698 | const struct value_print_options *options) |
699 | { | |
700 | struct gdbarch *gdbarch = get_type_arch (type); | |
701 | ||
4112d2e6 TT |
702 | gdb_assert (!options->format); |
703 | ||
704 | /* FIXME, we should consider, at least for ANSI C language, | |
705 | eliminating the distinction made between FUNCs and POINTERs to | |
706 | FUNCs. */ | |
707 | fprintf_filtered (stream, "{"); | |
708 | type_print (type, "", stream, -1); | |
709 | fprintf_filtered (stream, "} "); | |
710 | /* Try to print what function it points to, and its address. */ | |
711 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
4a8c372f SM |
712 | } |
713 | ||
6dde7521 TT |
714 | /* generic_value_print helper for TYPE_CODE_BOOL. */ |
715 | ||
716 | static void | |
717 | generic_value_print_bool | |
718 | (struct value *value, struct ui_file *stream, | |
719 | const struct value_print_options *options, | |
720 | const struct generic_val_print_decorations *decorations) | |
721 | { | |
722 | if (options->format || options->output_format) | |
723 | { | |
724 | struct value_print_options opts = *options; | |
725 | opts.format = (options->format ? options->format | |
726 | : options->output_format); | |
727 | value_print_scalar_formatted (value, &opts, 0, stream); | |
728 | } | |
729 | else | |
730 | { | |
731 | const gdb_byte *valaddr = value_contents_for_printing (value); | |
732 | struct type *type = check_typedef (value_type (value)); | |
733 | LONGEST val = unpack_long (type, valaddr); | |
734 | if (val == 0) | |
735 | fputs_filtered (decorations->false_name, stream); | |
736 | else if (val == 1) | |
737 | fputs_filtered (decorations->true_name, stream); | |
738 | else | |
739 | print_longest (stream, 'd', 0, val); | |
740 | } | |
741 | } | |
742 | ||
fdddfccb TT |
743 | /* generic_value_print helper for TYPE_CODE_INT. */ |
744 | ||
745 | static void | |
746 | generic_value_print_int (struct value *val, struct ui_file *stream, | |
747 | const struct value_print_options *options) | |
748 | { | |
749 | struct value_print_options opts = *options; | |
750 | ||
751 | opts.format = (options->format ? options->format | |
752 | : options->output_format); | |
753 | value_print_scalar_formatted (val, &opts, 0, stream); | |
754 | } | |
755 | ||
3eec3b05 TT |
756 | /* generic_value_print helper for TYPE_CODE_CHAR. */ |
757 | ||
758 | static void | |
759 | generic_value_print_char (struct value *value, struct ui_file *stream, | |
760 | const struct value_print_options *options) | |
761 | { | |
762 | if (options->format || options->output_format) | |
763 | { | |
764 | struct value_print_options opts = *options; | |
765 | ||
766 | opts.format = (options->format ? options->format | |
767 | : options->output_format); | |
768 | value_print_scalar_formatted (value, &opts, 0, stream); | |
769 | } | |
770 | else | |
771 | { | |
772 | struct type *unresolved_type = value_type (value); | |
773 | struct type *type = check_typedef (unresolved_type); | |
774 | const gdb_byte *valaddr = value_contents_for_printing (value); | |
775 | ||
776 | LONGEST val = unpack_long (type, valaddr); | |
777 | if (TYPE_UNSIGNED (type)) | |
778 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
779 | else | |
780 | fprintf_filtered (stream, "%d", (int) val); | |
781 | fputs_filtered (" ", stream); | |
782 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
783 | } | |
784 | } | |
785 | ||
fdf0cbc2 | 786 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
787 | |
788 | static void | |
e8b24d9f | 789 | generic_val_print_float (struct type *type, |
7784724b | 790 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 791 | struct value *original_value, |
7784724b SM |
792 | const struct value_print_options *options) |
793 | { | |
3ae385af SM |
794 | struct gdbarch *gdbarch = get_type_arch (type); |
795 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
796 | ||
f5354008 | 797 | gdb_assert (!options->format); |
e8b24d9f | 798 | |
f5354008 TT |
799 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
800 | ||
801 | print_floating (valaddr + embedded_offset * unit_size, type, stream); | |
7784724b SM |
802 | } |
803 | ||
4f412b6e TT |
804 | /* generic_value_print helper for TYPE_CODE_COMPLEX. */ |
805 | ||
806 | static void | |
807 | generic_value_print_complex (struct value *val, struct ui_file *stream, | |
808 | const struct value_print_options *options, | |
809 | const struct generic_val_print_decorations | |
810 | *decorations) | |
811 | { | |
812 | fprintf_filtered (stream, "%s", decorations->complex_prefix); | |
813 | ||
4c99290d | 814 | struct value *real_part = value_real_part (val); |
4f412b6e TT |
815 | value_print_scalar_formatted (real_part, options, 0, stream); |
816 | fprintf_filtered (stream, "%s", decorations->complex_infix); | |
817 | ||
4c99290d | 818 | struct value *imag_part = value_imaginary_part (val); |
4f412b6e TT |
819 | value_print_scalar_formatted (imag_part, options, 0, stream); |
820 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
821 | } | |
822 | ||
156bfec9 TT |
823 | /* See valprint.h. */ |
824 | ||
825 | void | |
826 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
827 | const struct value_print_options *options, | |
828 | const struct generic_val_print_decorations *decorations) | |
829 | { | |
abc66ce9 | 830 | struct type *type = value_type (val); |
abc66ce9 TT |
831 | |
832 | type = check_typedef (type); | |
833 | switch (TYPE_CODE (type)) | |
834 | { | |
835 | case TYPE_CODE_ARRAY: | |
426a9c18 | 836 | generic_val_print_array (val, stream, recurse, options, decorations); |
abc66ce9 TT |
837 | break; |
838 | ||
839 | case TYPE_CODE_MEMBERPTR: | |
2a5b130b | 840 | value_print_scalar_formatted (val, options, 0, stream); |
abc66ce9 TT |
841 | break; |
842 | ||
843 | case TYPE_CODE_PTR: | |
2a5b130b | 844 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
845 | break; |
846 | ||
847 | case TYPE_CODE_REF: | |
848 | case TYPE_CODE_RVALUE_REF: | |
849 | generic_val_print_ref (type, 0, stream, recurse, | |
850 | val, options); | |
851 | break; | |
852 | ||
853 | case TYPE_CODE_ENUM: | |
40f3ce18 TT |
854 | if (options->format) |
855 | value_print_scalar_formatted (val, options, 0, stream); | |
856 | else | |
857 | generic_val_print_enum (type, 0, stream, val, options); | |
abc66ce9 TT |
858 | break; |
859 | ||
860 | case TYPE_CODE_FLAGS: | |
65786af6 TT |
861 | if (options->format) |
862 | value_print_scalar_formatted (val, options, 0, stream); | |
863 | else | |
864 | val_print_type_code_flags (type, val, 0, stream); | |
abc66ce9 TT |
865 | break; |
866 | ||
867 | case TYPE_CODE_FUNC: | |
868 | case TYPE_CODE_METHOD: | |
4112d2e6 TT |
869 | if (options->format) |
870 | value_print_scalar_formatted (val, options, 0, stream); | |
871 | else | |
872 | generic_val_print_func (type, 0, value_address (val), stream, | |
873 | val, options); | |
abc66ce9 TT |
874 | break; |
875 | ||
876 | case TYPE_CODE_BOOL: | |
6dde7521 | 877 | generic_value_print_bool (val, stream, options, decorations); |
abc66ce9 TT |
878 | break; |
879 | ||
880 | case TYPE_CODE_RANGE: | |
881 | /* FIXME: create_static_range_type does not set the unsigned bit in a | |
882 | range type (I think it probably should copy it from the | |
883 | target type), so we won't print values which are too large to | |
884 | fit in a signed integer correctly. */ | |
885 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
886 | print with the target type, though, because the size of our | |
887 | type and the target type might differ). */ | |
888 | ||
889 | /* FALLTHROUGH */ | |
890 | ||
891 | case TYPE_CODE_INT: | |
fdddfccb | 892 | generic_value_print_int (val, stream, options); |
abc66ce9 TT |
893 | break; |
894 | ||
895 | case TYPE_CODE_CHAR: | |
3eec3b05 | 896 | generic_value_print_char (val, stream, options); |
abc66ce9 TT |
897 | break; |
898 | ||
899 | case TYPE_CODE_FLT: | |
900 | case TYPE_CODE_DECFLOAT: | |
f5354008 TT |
901 | if (options->format) |
902 | value_print_scalar_formatted (val, options, 0, stream); | |
903 | else | |
904 | generic_val_print_float (type, 0, stream, | |
905 | val, options); | |
abc66ce9 TT |
906 | break; |
907 | ||
908 | case TYPE_CODE_VOID: | |
909 | fputs_filtered (decorations->void_name, stream); | |
910 | break; | |
911 | ||
912 | case TYPE_CODE_ERROR: | |
913 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
914 | break; | |
915 | ||
916 | case TYPE_CODE_UNDEF: | |
917 | /* This happens (without TYPE_STUB set) on systems which don't use | |
918 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
919 | and no complete type for struct foo in that file. */ | |
920 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); | |
921 | break; | |
922 | ||
923 | case TYPE_CODE_COMPLEX: | |
4f412b6e | 924 | generic_value_print_complex (val, stream, options, decorations); |
abc66ce9 TT |
925 | break; |
926 | ||
927 | case TYPE_CODE_UNION: | |
928 | case TYPE_CODE_STRUCT: | |
929 | case TYPE_CODE_METHODPTR: | |
930 | default: | |
931 | error (_("Unhandled type code %d in symbol table."), | |
932 | TYPE_CODE (type)); | |
933 | } | |
156bfec9 TT |
934 | } |
935 | ||
b0c26e99 TT |
936 | /* Helper function for val_print and common_val_print that does the |
937 | work. Arguments are as to val_print, but FULL_VALUE, if given, is | |
938 | the value to be printed. */ | |
32b72a42 | 939 | |
b0c26e99 | 940 | static void |
426a9c18 | 941 | do_val_print (struct value *value, struct ui_file *stream, int recurse, |
b0c26e99 TT |
942 | const struct value_print_options *options, |
943 | const struct language_defn *language) | |
c906108c | 944 | { |
19ca80ba | 945 | int ret = 0; |
79a45b7d | 946 | struct value_print_options local_opts = *options; |
426a9c18 | 947 | struct type *type = value_type (value); |
c906108c | 948 | struct type *real_type = check_typedef (type); |
79a45b7d | 949 | |
2a998fc0 DE |
950 | if (local_opts.prettyformat == Val_prettyformat_default) |
951 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
952 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 953 | |
c906108c SS |
954 | QUIT; |
955 | ||
956 | /* Ensure that the type is complete and not just a stub. If the type is | |
957 | only a stub and we can't find and substitute its complete type, then | |
958 | print appropriate string and return. */ | |
959 | ||
74a9bb82 | 960 | if (TYPE_STUB (real_type)) |
c906108c | 961 | { |
7f6aba03 | 962 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 963 | return; |
c906108c | 964 | } |
c5aa993b | 965 | |
426a9c18 | 966 | if (!valprint_check_validity (stream, real_type, 0, value)) |
35c0084b | 967 | return; |
0e03807e | 968 | |
a6bac58e TT |
969 | if (!options->raw) |
970 | { | |
426a9c18 | 971 | ret = apply_ext_lang_val_pretty_printer (value, stream, recurse, options, |
42331a1e | 972 | language); |
a6bac58e | 973 | if (ret) |
35c0084b | 974 | return; |
a6bac58e TT |
975 | } |
976 | ||
977 | /* Handle summary mode. If the value is a scalar, print it; | |
978 | otherwise, print an ellipsis. */ | |
6211c335 | 979 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
980 | { |
981 | fprintf_filtered (stream, "..."); | |
35c0084b | 982 | return; |
a6bac58e TT |
983 | } |
984 | ||
2e62ab40 AB |
985 | /* If this value is too deep then don't print it. */ |
986 | if (!val_print_scalar_or_string_type_p (type, language) | |
987 | && val_print_check_max_depth (stream, recurse, options, language)) | |
988 | return; | |
989 | ||
a70b8144 | 990 | try |
19ca80ba | 991 | { |
426a9c18 | 992 | language->la_value_print_inner (value, stream, recurse, &local_opts); |
19ca80ba | 993 | } |
230d2906 | 994 | catch (const gdb_exception_error &except) |
492d29ea | 995 | { |
7f6aba03 TT |
996 | fprintf_styled (stream, metadata_style.style (), |
997 | _("<error reading variable>")); | |
492d29ea | 998 | } |
c906108c SS |
999 | } |
1000 | ||
2e62ab40 AB |
1001 | /* See valprint.h. */ |
1002 | ||
1003 | bool | |
1004 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1005 | const struct value_print_options *options, | |
1006 | const struct language_defn *language) | |
1007 | { | |
1008 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1009 | { | |
1010 | gdb_assert (language->la_struct_too_deep_ellipsis != NULL); | |
1011 | fputs_filtered (language->la_struct_too_deep_ellipsis, stream); | |
1012 | return true; | |
1013 | } | |
1014 | ||
1015 | return false; | |
1016 | } | |
1017 | ||
806048c6 | 1018 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1019 | return 0 and print an appropriate error message to STREAM according to |
1020 | OPTIONS if it is not. */ | |
c906108c | 1021 | |
806048c6 | 1022 | static int |
6501578c YQ |
1023 | value_check_printable (struct value *val, struct ui_file *stream, |
1024 | const struct value_print_options *options) | |
c906108c SS |
1025 | { |
1026 | if (val == 0) | |
1027 | { | |
7f6aba03 TT |
1028 | fprintf_styled (stream, metadata_style.style (), |
1029 | _("<address of value unknown>")); | |
c906108c SS |
1030 | return 0; |
1031 | } | |
806048c6 | 1032 | |
0e03807e | 1033 | if (value_entirely_optimized_out (val)) |
c906108c | 1034 | { |
6211c335 | 1035 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1036 | fprintf_filtered (stream, "..."); |
1037 | else | |
901461f8 | 1038 | val_print_optimized_out (val, stream); |
c906108c SS |
1039 | return 0; |
1040 | } | |
806048c6 | 1041 | |
eebc056c AB |
1042 | if (value_entirely_unavailable (val)) |
1043 | { | |
1044 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1045 | fprintf_filtered (stream, "..."); | |
1046 | else | |
1047 | val_print_unavailable (stream); | |
1048 | return 0; | |
1049 | } | |
1050 | ||
bc3b79fd TJB |
1051 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
1052 | { | |
7f6aba03 TT |
1053 | fprintf_styled (stream, metadata_style.style (), |
1054 | _("<internal function %s>"), | |
1055 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1056 | return 0; |
1057 | } | |
1058 | ||
3f2f83dd KB |
1059 | if (type_not_associated (value_type (val))) |
1060 | { | |
1061 | val_print_not_associated (stream); | |
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | if (type_not_allocated (value_type (val))) | |
1066 | { | |
1067 | val_print_not_allocated (stream); | |
1068 | return 0; | |
1069 | } | |
1070 | ||
806048c6 DJ |
1071 | return 1; |
1072 | } | |
1073 | ||
d8ca156b | 1074 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1075 | to OPTIONS. |
806048c6 | 1076 | |
806048c6 DJ |
1077 | This is a preferable interface to val_print, above, because it uses |
1078 | GDB's value mechanism. */ | |
1079 | ||
a1f5dd1b | 1080 | void |
79a45b7d TT |
1081 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1082 | const struct value_print_options *options, | |
d8ca156b | 1083 | const struct language_defn *language) |
806048c6 | 1084 | { |
0c3acc09 JB |
1085 | if (language->la_language == language_ada) |
1086 | /* The value might have a dynamic type, which would cause trouble | |
1087 | below when trying to extract the value contents (since the value | |
1088 | size is determined from the type size which is unknown). So | |
1089 | get a fixed representation of our value. */ | |
1090 | val = ada_to_fixed_value (val); | |
1091 | ||
7d45f3df YQ |
1092 | if (value_lazy (val)) |
1093 | value_fetch_lazy (val); | |
1094 | ||
426a9c18 | 1095 | do_val_print (val, stream, recurse, options, language); |
806048c6 DJ |
1096 | } |
1097 | ||
c2a44efe TT |
1098 | /* See valprint.h. */ |
1099 | ||
1100 | void | |
1101 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1102 | int recurse, | |
1103 | const struct value_print_options *options, | |
1104 | const struct language_defn *language) | |
1105 | { | |
1106 | if (!value_check_printable (val, stream, options)) | |
1107 | return; | |
1108 | common_val_print (val, stream, recurse, options, language); | |
1109 | } | |
1110 | ||
7348c5e1 | 1111 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1112 | is printed using the current_language syntax. */ |
7348c5e1 | 1113 | |
8e069a98 | 1114 | void |
79a45b7d TT |
1115 | value_print (struct value *val, struct ui_file *stream, |
1116 | const struct value_print_options *options) | |
806048c6 | 1117 | { |
ce3acbe9 TT |
1118 | scoped_value_mark free_values; |
1119 | ||
6501578c | 1120 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1121 | return; |
806048c6 | 1122 | |
a6bac58e TT |
1123 | if (!options->raw) |
1124 | { | |
6dddc817 | 1125 | int r |
42331a1e TT |
1126 | = apply_ext_lang_val_pretty_printer (val, stream, 0, options, |
1127 | current_language); | |
a109c7c1 | 1128 | |
a6bac58e | 1129 | if (r) |
8e069a98 | 1130 | return; |
a6bac58e TT |
1131 | } |
1132 | ||
8e069a98 | 1133 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1134 | } |
1135 | ||
81516450 | 1136 | static void |
65786af6 TT |
1137 | val_print_type_code_flags (struct type *type, struct value *original_value, |
1138 | int embedded_offset, struct ui_file *stream) | |
4f2aea11 | 1139 | { |
65786af6 TT |
1140 | const gdb_byte *valaddr = (value_contents_for_printing (original_value) |
1141 | + embedded_offset); | |
befae759 | 1142 | ULONGEST val = unpack_long (type, valaddr); |
81516450 DE |
1143 | int field, nfields = TYPE_NFIELDS (type); |
1144 | struct gdbarch *gdbarch = get_type_arch (type); | |
1145 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; | |
4f2aea11 | 1146 | |
81516450 DE |
1147 | fputs_filtered ("[", stream); |
1148 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1149 | { |
81516450 | 1150 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1151 | { |
81516450 DE |
1152 | struct type *field_type = TYPE_FIELD_TYPE (type, field); |
1153 | ||
1154 | if (field_type == bool_type | |
1155 | /* We require boolean types here to be one bit wide. This is a | |
1156 | problematic place to notify the user of an internal error | |
1157 | though. Instead just fall through and print the field as an | |
1158 | int. */ | |
1159 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1160 | { | |
1161 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
3f0cbb04 TT |
1162 | fprintf_filtered |
1163 | (stream, " %ps", | |
1164 | styled_string (variable_name_style.style (), | |
1165 | TYPE_FIELD_NAME (type, field))); | |
81516450 | 1166 | } |
4f2aea11 | 1167 | else |
81516450 DE |
1168 | { |
1169 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1170 | ULONGEST field_val | |
1171 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1172 | ||
1173 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1174 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
3f0cbb04 TT |
1175 | fprintf_filtered (stream, " %ps=", |
1176 | styled_string (variable_name_style.style (), | |
1177 | TYPE_FIELD_NAME (type, field))); | |
81516450 DE |
1178 | if (TYPE_CODE (field_type) == TYPE_CODE_ENUM) |
1179 | generic_val_print_enum_1 (field_type, field_val, stream); | |
1180 | else | |
1181 | print_longest (stream, 'd', 0, field_val); | |
1182 | } | |
4f2aea11 MK |
1183 | } |
1184 | } | |
81516450 | 1185 | fputs_filtered (" ]", stream); |
19c37f24 | 1186 | } |
ab2188aa | 1187 | |
4f9ae810 TT |
1188 | /* See valprint.h. */ |
1189 | ||
1190 | void | |
1191 | value_print_scalar_formatted (struct value *val, | |
1192 | const struct value_print_options *options, | |
1193 | int size, | |
1194 | struct ui_file *stream) | |
1195 | { | |
1196 | struct type *type = check_typedef (value_type (val)); | |
1197 | ||
1198 | gdb_assert (val != NULL); | |
1199 | ||
1200 | /* If we get here with a string format, try again without it. Go | |
1201 | all the way back to the language printers, which may call us | |
1202 | again. */ | |
1203 | if (options->format == 's') | |
1204 | { | |
1205 | struct value_print_options opts = *options; | |
1206 | opts.format = 0; | |
1207 | opts.deref_ref = 0; | |
1208 | common_val_print (val, stream, 0, &opts, current_language); | |
1209 | return; | |
1210 | } | |
1211 | ||
1212 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1213 | needed to check whether VAL is optimized-out or unavailable | |
1214 | below. */ | |
1215 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1216 | ||
1217 | /* A scalar object that does not have all bits available can't be | |
1218 | printed, because all bits contribute to its representation. */ | |
1219 | if (value_bits_any_optimized_out (val, 0, | |
1220 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
1221 | val_print_optimized_out (val, stream); | |
1222 | else if (!value_bytes_available (val, 0, TYPE_LENGTH (type))) | |
1223 | val_print_unavailable (stream); | |
1224 | else | |
1225 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1226 | } | |
1227 | ||
c906108c SS |
1228 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1229 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1230 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1231 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1232 | format. |
bb599908 PH |
1233 | |
1234 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1235 | 'o' and 'x' format do not include the standard C radix prefix | |
1236 | (leading 0 or 0x). | |
1237 | ||
1238 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1239 | and was intended to request formatting according to the current |
bb599908 PH |
1240 | language and would be used for most integers that GDB prints. The |
1241 | exceptional cases were things like protocols where the format of | |
1242 | the integer is a protocol thing, not a user-visible thing). The | |
1243 | parameter remains to preserve the information of what things might | |
1244 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1245 | that capability. */ |
c906108c SS |
1246 | |
1247 | void | |
bb599908 | 1248 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1249 | LONGEST val_long) |
c906108c | 1250 | { |
2bfb72ee AC |
1251 | const char *val; |
1252 | ||
c906108c SS |
1253 | switch (format) |
1254 | { | |
1255 | case 'd': | |
bb599908 | 1256 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1257 | case 'u': |
bb599908 | 1258 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1259 | case 'x': |
bb599908 | 1260 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1261 | case 'b': |
bb599908 | 1262 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1263 | case 'h': |
bb599908 | 1264 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1265 | case 'w': |
bb599908 | 1266 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1267 | case 'g': |
bb599908 | 1268 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1269 | break; |
1270 | case 'o': | |
bb599908 | 1271 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1272 | default: |
3e43a32a MS |
1273 | internal_error (__FILE__, __LINE__, |
1274 | _("failed internal consistency check")); | |
bb599908 | 1275 | } |
2bfb72ee | 1276 | fputs_filtered (val, stream); |
c906108c SS |
1277 | } |
1278 | ||
c906108c SS |
1279 | /* This used to be a macro, but I don't think it is called often enough |
1280 | to merit such treatment. */ | |
1281 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1282 | arguments to a function, number in a value history, register number, etc.) | |
1283 | where the value must not be larger than can fit in an int. */ | |
1284 | ||
1285 | int | |
fba45db2 | 1286 | longest_to_int (LONGEST arg) |
c906108c | 1287 | { |
581e13c1 | 1288 | /* Let the compiler do the work. */ |
c906108c SS |
1289 | int rtnval = (int) arg; |
1290 | ||
581e13c1 | 1291 | /* Check for overflows or underflows. */ |
c906108c SS |
1292 | if (sizeof (LONGEST) > sizeof (int)) |
1293 | { | |
1294 | if (rtnval != arg) | |
1295 | { | |
8a3fe4f8 | 1296 | error (_("Value out of range.")); |
c906108c SS |
1297 | } |
1298 | } | |
1299 | return (rtnval); | |
1300 | } | |
1301 | ||
fdf0cbc2 UW |
1302 | /* Print a floating point value of floating-point type TYPE, |
1303 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1304 | |
1305 | void | |
fc1a4b47 | 1306 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1307 | struct ui_file *stream) |
c906108c | 1308 | { |
f69fdf9b | 1309 | std::string str = target_float_to_string (valaddr, type); |
3b4b2f16 | 1310 | fputs_filtered (str.c_str (), stream); |
7678ef8f TJB |
1311 | } |
1312 | ||
c5aa993b | 1313 | void |
fc1a4b47 | 1314 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1315 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1316 | { |
fc1a4b47 | 1317 | const gdb_byte *p; |
745b8ca0 | 1318 | unsigned int i; |
c5aa993b | 1319 | int b; |
30a25466 | 1320 | bool seen_a_one = false; |
c906108c SS |
1321 | |
1322 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1323 | This ensures that right shift will shift in zeros. */ |
1324 | ||
c5aa993b | 1325 | const int mask = 0x080; |
c906108c | 1326 | |
d44e8473 | 1327 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1328 | { |
1329 | for (p = valaddr; | |
1330 | p < valaddr + len; | |
1331 | p++) | |
1332 | { | |
c5aa993b | 1333 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1334 | and print from the MSB end. */ |
1335 | ||
d3abe1c8 | 1336 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1337 | { |
1338 | if (*p & (mask >> i)) | |
30a25466 | 1339 | b = '1'; |
c5aa993b | 1340 | else |
30a25466 | 1341 | b = '0'; |
c5aa993b | 1342 | |
30a25466 TT |
1343 | if (zero_pad || seen_a_one || b == '1') |
1344 | fputc_filtered (b, stream); | |
1345 | if (b == '1') | |
1346 | seen_a_one = true; | |
c5aa993b | 1347 | } |
c906108c SS |
1348 | } |
1349 | } | |
1350 | else | |
1351 | { | |
1352 | for (p = valaddr + len - 1; | |
1353 | p >= valaddr; | |
1354 | p--) | |
1355 | { | |
d3abe1c8 | 1356 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1357 | { |
1358 | if (*p & (mask >> i)) | |
30a25466 | 1359 | b = '1'; |
c5aa993b | 1360 | else |
30a25466 | 1361 | b = '0'; |
c5aa993b | 1362 | |
30a25466 TT |
1363 | if (zero_pad || seen_a_one || b == '1') |
1364 | fputc_filtered (b, stream); | |
1365 | if (b == '1') | |
1366 | seen_a_one = true; | |
c5aa993b | 1367 | } |
c906108c SS |
1368 | } |
1369 | } | |
30a25466 TT |
1370 | |
1371 | /* When not zero-padding, ensure that something is printed when the | |
1372 | input is 0. */ | |
1373 | if (!zero_pad && !seen_a_one) | |
1374 | fputc_filtered ('0', stream); | |
1375 | } | |
1376 | ||
1377 | /* A helper for print_octal_chars that emits a single octal digit, | |
1378 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1379 | ||
1380 | static void | |
1381 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1382 | { | |
1383 | if (*seen_a_one || digit != 0) | |
1384 | fprintf_filtered (stream, "%o", digit); | |
1385 | if (digit != 0) | |
1386 | *seen_a_one = true; | |
c906108c SS |
1387 | } |
1388 | ||
1389 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1390 | Print it in octal on stream or format it in buf. */ |
1391 | ||
c906108c | 1392 | void |
fc1a4b47 | 1393 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1394 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1395 | { |
fc1a4b47 | 1396 | const gdb_byte *p; |
c906108c | 1397 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1398 | int cycle; |
1399 | ||
c906108c SS |
1400 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1401 | * the extra bits, which cycle every three bytes: | |
1402 | * | |
1403 | * Byte side: 0 1 2 3 | |
1404 | * | | | | | |
1405 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1406 | * | |
1407 | * Octal side: 0 1 carry 3 4 carry ... | |
1408 | * | |
1409 | * Cycle number: 0 1 2 | |
1410 | * | |
1411 | * But of course we are printing from the high side, so we have to | |
1412 | * figure out where in the cycle we are so that we end up with no | |
1413 | * left over bits at the end. | |
1414 | */ | |
1415 | #define BITS_IN_OCTAL 3 | |
1416 | #define HIGH_ZERO 0340 | |
d6382fff | 1417 | #define LOW_ZERO 0034 |
c906108c | 1418 | #define CARRY_ZERO 0003 |
d6382fff TT |
1419 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1420 | "cycle zero constants are wrong"); | |
c906108c SS |
1421 | #define HIGH_ONE 0200 |
1422 | #define MID_ONE 0160 | |
1423 | #define LOW_ONE 0016 | |
1424 | #define CARRY_ONE 0001 | |
d6382fff TT |
1425 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1426 | "cycle one constants are wrong"); | |
c906108c SS |
1427 | #define HIGH_TWO 0300 |
1428 | #define MID_TWO 0070 | |
1429 | #define LOW_TWO 0007 | |
d6382fff TT |
1430 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1431 | "cycle two constants are wrong"); | |
c906108c SS |
1432 | |
1433 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1434 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1435 | ||
d3abe1c8 | 1436 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1437 | carry = 0; |
c5aa993b | 1438 | |
bb599908 | 1439 | fputs_filtered ("0", stream); |
30a25466 | 1440 | bool seen_a_one = false; |
d44e8473 | 1441 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1442 | { |
1443 | for (p = valaddr; | |
1444 | p < valaddr + len; | |
1445 | p++) | |
1446 | { | |
c5aa993b JM |
1447 | switch (cycle) |
1448 | { | |
1449 | case 0: | |
581e13c1 MS |
1450 | /* No carry in, carry out two bits. */ |
1451 | ||
c5aa993b JM |
1452 | octa1 = (HIGH_ZERO & *p) >> 5; |
1453 | octa2 = (LOW_ZERO & *p) >> 2; | |
1454 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1455 | emit_octal_digit (stream, &seen_a_one, octa1); |
1456 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1457 | break; |
1458 | ||
1459 | case 1: | |
581e13c1 MS |
1460 | /* Carry in two bits, carry out one bit. */ |
1461 | ||
c5aa993b JM |
1462 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1463 | octa2 = (MID_ONE & *p) >> 4; | |
1464 | octa3 = (LOW_ONE & *p) >> 1; | |
1465 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1466 | emit_octal_digit (stream, &seen_a_one, octa1); |
1467 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1468 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1469 | break; |
1470 | ||
1471 | case 2: | |
581e13c1 MS |
1472 | /* Carry in one bit, no carry out. */ |
1473 | ||
c5aa993b JM |
1474 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1475 | octa2 = (MID_TWO & *p) >> 3; | |
1476 | octa3 = (LOW_TWO & *p); | |
1477 | carry = 0; | |
30a25466 TT |
1478 | emit_octal_digit (stream, &seen_a_one, octa1); |
1479 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1480 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1481 | break; |
1482 | ||
1483 | default: | |
8a3fe4f8 | 1484 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1485 | } |
1486 | ||
1487 | cycle++; | |
1488 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1489 | } |
1490 | } | |
1491 | else | |
1492 | { | |
1493 | for (p = valaddr + len - 1; | |
1494 | p >= valaddr; | |
1495 | p--) | |
1496 | { | |
c5aa993b JM |
1497 | switch (cycle) |
1498 | { | |
1499 | case 0: | |
1500 | /* Carry out, no carry in */ | |
581e13c1 | 1501 | |
c5aa993b JM |
1502 | octa1 = (HIGH_ZERO & *p) >> 5; |
1503 | octa2 = (LOW_ZERO & *p) >> 2; | |
1504 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1505 | emit_octal_digit (stream, &seen_a_one, octa1); |
1506 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1507 | break; |
1508 | ||
1509 | case 1: | |
1510 | /* Carry in, carry out */ | |
581e13c1 | 1511 | |
c5aa993b JM |
1512 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1513 | octa2 = (MID_ONE & *p) >> 4; | |
1514 | octa3 = (LOW_ONE & *p) >> 1; | |
1515 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1516 | emit_octal_digit (stream, &seen_a_one, octa1); |
1517 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1518 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1519 | break; |
1520 | ||
1521 | case 2: | |
1522 | /* Carry in, no carry out */ | |
581e13c1 | 1523 | |
c5aa993b JM |
1524 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1525 | octa2 = (MID_TWO & *p) >> 3; | |
1526 | octa3 = (LOW_TWO & *p); | |
1527 | carry = 0; | |
30a25466 TT |
1528 | emit_octal_digit (stream, &seen_a_one, octa1); |
1529 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1530 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1531 | break; |
1532 | ||
1533 | default: | |
8a3fe4f8 | 1534 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1535 | } |
1536 | ||
1537 | cycle++; | |
1538 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1539 | } |
1540 | } | |
1541 | ||
c906108c SS |
1542 | } |
1543 | ||
4ac0cb1c TT |
1544 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1545 | bytes in the specified byte order. If the integer is negative, | |
1546 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1547 | nothing and return false. */ | |
1548 | ||
1549 | static bool | |
1550 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1551 | enum bfd_endian byte_order, | |
d5722aa2 | 1552 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1553 | { |
1554 | gdb_byte sign_byte; | |
eb77c9df | 1555 | gdb_assert (len > 0); |
4ac0cb1c TT |
1556 | if (byte_order == BFD_ENDIAN_BIG) |
1557 | sign_byte = bytes[0]; | |
1558 | else | |
1559 | sign_byte = bytes[len - 1]; | |
1560 | if ((sign_byte & 0x80) == 0) | |
1561 | return false; | |
1562 | ||
1563 | out_vec->resize (len); | |
1564 | ||
1565 | /* Compute -x == 1 + ~x. */ | |
1566 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1567 | { | |
1568 | unsigned carry = 1; | |
1569 | for (unsigned i = 0; i < len; ++i) | |
1570 | { | |
1571 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1572 | (*out_vec)[i] = tem & 0xff; | |
1573 | carry = tem / 256; | |
1574 | } | |
1575 | } | |
1576 | else | |
1577 | { | |
1578 | unsigned carry = 1; | |
1579 | for (unsigned i = len; i > 0; --i) | |
1580 | { | |
1581 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1582 | (*out_vec)[i - 1] = tem & 0xff; | |
1583 | carry = tem / 256; | |
1584 | } | |
1585 | } | |
1586 | ||
1587 | return true; | |
1588 | } | |
1589 | ||
c906108c | 1590 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1591 | Print it in decimal on stream or format it in buf. */ |
1592 | ||
c906108c | 1593 | void |
fc1a4b47 | 1594 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1595 | unsigned len, bool is_signed, |
1596 | enum bfd_endian byte_order) | |
c906108c SS |
1597 | { |
1598 | #define TEN 10 | |
c5aa993b | 1599 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1600 | #define CARRY_LEFT( x ) ((x) % TEN) |
1601 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1602 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1603 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1604 | ||
fc1a4b47 | 1605 | const gdb_byte *p; |
c5aa993b JM |
1606 | int carry; |
1607 | int decimal_len; | |
1608 | int i, j, decimal_digits; | |
1609 | int dummy; | |
1610 | int flip; | |
1611 | ||
d5722aa2 | 1612 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1613 | if (is_signed |
1614 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1615 | { | |
1616 | fputs_filtered ("-", stream); | |
1617 | valaddr = negated_bytes.data (); | |
1618 | } | |
1619 | ||
c906108c | 1620 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1621 | as the base 16 number, which is 2 digits per byte. */ |
1622 | ||
c906108c | 1623 | decimal_len = len * 2 * 2; |
30a25466 | 1624 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1625 | |
c906108c SS |
1626 | /* Ok, we have an unknown number of bytes of data to be printed in |
1627 | * decimal. | |
1628 | * | |
1629 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1630 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1631 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1632 | * | |
1633 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1634 | * the individual digits are > 10. |
c906108c SS |
1635 | * |
1636 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1637 | * LSD end. | |
1638 | */ | |
c5aa993b | 1639 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1640 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1641 | flip = 0; |
d44e8473 | 1642 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1643 | { |
c906108c SS |
1644 | /* |
1645 | * Multiply current base-ten number by 16 in place. | |
1646 | * Each digit was between 0 and 9, now is between | |
1647 | * 0 and 144. | |
1648 | */ | |
c5aa993b JM |
1649 | for (j = 0; j < decimal_digits; j++) |
1650 | { | |
1651 | digits[j] = SHIFT (digits[j]); | |
1652 | } | |
1653 | ||
c906108c SS |
1654 | /* Take the next nibble off the input and add it to what |
1655 | * we've got in the LSB position. Bottom 'digit' is now | |
1656 | * between 0 and 159. | |
1657 | * | |
1658 | * "flip" is used to run this loop twice for each byte. | |
1659 | */ | |
c5aa993b JM |
1660 | if (flip == 0) |
1661 | { | |
581e13c1 MS |
1662 | /* Take top nibble. */ |
1663 | ||
c5aa993b JM |
1664 | digits[0] += HIGH_NIBBLE (*p); |
1665 | flip = 1; | |
1666 | } | |
1667 | else | |
1668 | { | |
581e13c1 MS |
1669 | /* Take low nibble and bump our pointer "p". */ |
1670 | ||
c5aa993b | 1671 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1672 | if (byte_order == BFD_ENDIAN_BIG) |
1673 | p++; | |
1674 | else | |
1675 | p--; | |
c5aa993b JM |
1676 | flip = 0; |
1677 | } | |
c906108c SS |
1678 | |
1679 | /* Re-decimalize. We have to do this often enough | |
1680 | * that we don't overflow, but once per nibble is | |
1681 | * overkill. Easier this way, though. Note that the | |
1682 | * carry is often larger than 10 (e.g. max initial | |
1683 | * carry out of lowest nibble is 15, could bubble all | |
1684 | * the way up greater than 10). So we have to do | |
1685 | * the carrying beyond the last current digit. | |
1686 | */ | |
1687 | carry = 0; | |
c5aa993b JM |
1688 | for (j = 0; j < decimal_len - 1; j++) |
1689 | { | |
1690 | digits[j] += carry; | |
1691 | ||
1692 | /* "/" won't handle an unsigned char with | |
1693 | * a value that if signed would be negative. | |
1694 | * So extend to longword int via "dummy". | |
1695 | */ | |
1696 | dummy = digits[j]; | |
1697 | carry = CARRY_OUT (dummy); | |
1698 | digits[j] = CARRY_LEFT (dummy); | |
1699 | ||
1700 | if (j >= decimal_digits && carry == 0) | |
1701 | { | |
1702 | /* | |
1703 | * All higher digits are 0 and we | |
1704 | * no longer have a carry. | |
1705 | * | |
1706 | * Note: "j" is 0-based, "decimal_digits" is | |
1707 | * 1-based. | |
1708 | */ | |
1709 | decimal_digits = j + 1; | |
1710 | break; | |
1711 | } | |
1712 | } | |
1713 | } | |
c906108c SS |
1714 | |
1715 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1716 | the "decimal_digits" actual digits. Print! */ |
1717 | ||
30a25466 TT |
1718 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1719 | ; | |
1720 | ||
1721 | for (; i >= 0; i--) | |
c5aa993b JM |
1722 | { |
1723 | fprintf_filtered (stream, "%1d", digits[i]); | |
1724 | } | |
c906108c SS |
1725 | } |
1726 | ||
1727 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1728 | ||
6b9acc27 | 1729 | void |
fc1a4b47 | 1730 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1731 | unsigned len, enum bfd_endian byte_order, |
1732 | bool zero_pad) | |
c906108c | 1733 | { |
fc1a4b47 | 1734 | const gdb_byte *p; |
c906108c | 1735 | |
bb599908 | 1736 | fputs_filtered ("0x", stream); |
d44e8473 | 1737 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1738 | { |
30a25466 TT |
1739 | p = valaddr; |
1740 | ||
1741 | if (!zero_pad) | |
1742 | { | |
1743 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1744 | single byte at the end. */ | |
1745 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1746 | ; | |
1747 | } | |
1748 | ||
1749 | const gdb_byte *first = p; | |
1750 | for (; | |
c906108c SS |
1751 | p < valaddr + len; |
1752 | p++) | |
1753 | { | |
30a25466 TT |
1754 | /* When not zero-padding, use a different format for the |
1755 | very first byte printed. */ | |
1756 | if (!zero_pad && p == first) | |
1757 | fprintf_filtered (stream, "%x", *p); | |
1758 | else | |
1759 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1760 | } |
1761 | } | |
1762 | else | |
1763 | { | |
30a25466 TT |
1764 | p = valaddr + len - 1; |
1765 | ||
1766 | if (!zero_pad) | |
1767 | { | |
1768 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1769 | single byte at the end. */ | |
1770 | for (; p >= valaddr + 1 && !*p; --p) | |
1771 | ; | |
1772 | } | |
1773 | ||
1774 | const gdb_byte *first = p; | |
1775 | for (; | |
c906108c SS |
1776 | p >= valaddr; |
1777 | p--) | |
1778 | { | |
30a25466 TT |
1779 | /* When not zero-padding, use a different format for the |
1780 | very first byte printed. */ | |
1781 | if (!zero_pad && p == first) | |
1782 | fprintf_filtered (stream, "%x", *p); | |
1783 | else | |
1784 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1785 | } |
1786 | } | |
c906108c SS |
1787 | } |
1788 | ||
3e43a32a | 1789 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1790 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1791 | Omit any leading zero chars. */ |
1792 | ||
1793 | void | |
6c7a06a3 TT |
1794 | print_char_chars (struct ui_file *stream, struct type *type, |
1795 | const gdb_byte *valaddr, | |
d44e8473 | 1796 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1797 | { |
fc1a4b47 | 1798 | const gdb_byte *p; |
6b9acc27 | 1799 | |
d44e8473 | 1800 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1801 | { |
1802 | p = valaddr; | |
1803 | while (p < valaddr + len - 1 && *p == 0) | |
1804 | ++p; | |
1805 | ||
1806 | while (p < valaddr + len) | |
1807 | { | |
6c7a06a3 | 1808 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1809 | ++p; |
1810 | } | |
1811 | } | |
1812 | else | |
1813 | { | |
1814 | p = valaddr + len - 1; | |
1815 | while (p > valaddr && *p == 0) | |
1816 | --p; | |
1817 | ||
1818 | while (p >= valaddr) | |
1819 | { | |
6c7a06a3 | 1820 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1821 | --p; |
1822 | } | |
1823 | } | |
1824 | } | |
1825 | ||
132c57b4 TT |
1826 | /* Print function pointer with inferior address ADDRESS onto stdio |
1827 | stream STREAM. */ | |
1828 | ||
1829 | void | |
edf0c1b7 TT |
1830 | print_function_pointer_address (const struct value_print_options *options, |
1831 | struct gdbarch *gdbarch, | |
132c57b4 | 1832 | CORE_ADDR address, |
edf0c1b7 | 1833 | struct ui_file *stream) |
132c57b4 TT |
1834 | { |
1835 | CORE_ADDR func_addr | |
1836 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
8b88a78e | 1837 | current_top_target ()); |
132c57b4 TT |
1838 | |
1839 | /* If the function pointer is represented by a description, print | |
1840 | the address of the description. */ | |
edf0c1b7 | 1841 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1842 | { |
1843 | fputs_filtered ("@", stream); | |
1844 | fputs_filtered (paddress (gdbarch, address), stream); | |
1845 | fputs_filtered (": ", stream); | |
1846 | } | |
edf0c1b7 | 1847 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1848 | } |
1849 | ||
1850 | ||
79a45b7d | 1851 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1852 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1853 | ||
1854 | void | |
1855 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1856 | struct ui_file *stream, |
1857 | const struct value_print_options *options) | |
e79af960 JB |
1858 | { |
1859 | struct value *index_value; | |
1860 | ||
79a45b7d | 1861 | if (!options->print_array_indexes) |
e79af960 JB |
1862 | return; |
1863 | ||
1864 | index_value = value_from_longest (index_type, index); | |
1865 | ||
79a45b7d TT |
1866 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1867 | } | |
e79af960 | 1868 | |
d121c6ce TT |
1869 | /* See valprint.h. */ |
1870 | ||
1871 | void | |
1872 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
1873 | int recurse, | |
1874 | const struct value_print_options *options, | |
1875 | unsigned int i) | |
1876 | { | |
1877 | unsigned int things_printed = 0; | |
1878 | unsigned len; | |
1879 | struct type *elttype, *index_type, *base_index_type; | |
1880 | unsigned eltlen; | |
1881 | /* Position of the array element we are examining to see | |
1882 | whether it is repeated. */ | |
1883 | unsigned int rep1; | |
1884 | /* Number of repetitions we have detected so far. */ | |
1885 | unsigned int reps; | |
1886 | LONGEST low_bound, high_bound; | |
1887 | LONGEST low_pos, high_pos; | |
1888 | ||
1889 | struct type *type = check_typedef (value_type (val)); | |
1890 | ||
1891 | elttype = TYPE_TARGET_TYPE (type); | |
1892 | eltlen = type_length_units (check_typedef (elttype)); | |
1893 | index_type = TYPE_INDEX_TYPE (type); | |
1894 | ||
1895 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
1896 | { | |
1897 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) | |
1898 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
1899 | else | |
1900 | base_index_type = index_type; | |
1901 | ||
1902 | /* Non-contiguous enumerations types can by used as index types | |
1903 | in some languages (e.g. Ada). In this case, the array length | |
1904 | shall be computed from the positions of the first and last | |
1905 | literal in the enumeration type, and not from the values | |
1906 | of these literals. */ | |
1907 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
1908 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
1909 | { | |
1910 | warning (_("unable to get positions in array, use bounds instead")); | |
1911 | low_pos = low_bound; | |
1912 | high_pos = high_bound; | |
1913 | } | |
1914 | ||
1915 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
1916 | But we have to be a little extra careful, because some languages | |
1917 | such as Ada allow LOW_POS to be greater than HIGH_POS for | |
1918 | empty arrays. In that situation, the array length is just zero, | |
1919 | not negative! */ | |
1920 | if (low_pos > high_pos) | |
1921 | len = 0; | |
1922 | else | |
1923 | len = high_pos - low_pos + 1; | |
1924 | } | |
1925 | else | |
1926 | { | |
1927 | warning (_("unable to get bounds of array, assuming null array")); | |
1928 | low_bound = 0; | |
1929 | len = 0; | |
1930 | } | |
1931 | ||
1932 | annotate_array_section_begin (i, elttype); | |
1933 | ||
1934 | for (; i < len && things_printed < options->print_max; i++) | |
1935 | { | |
1936 | scoped_value_mark free_values; | |
1937 | ||
1938 | if (i != 0) | |
1939 | { | |
1940 | if (options->prettyformat_arrays) | |
1941 | { | |
1942 | fprintf_filtered (stream, ",\n"); | |
1943 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1944 | } | |
1945 | else | |
1946 | fprintf_filtered (stream, ", "); | |
1947 | } | |
1948 | wrap_here (n_spaces (2 + 2 * recurse)); | |
1949 | maybe_print_array_index (index_type, i + low_bound, | |
1950 | stream, options); | |
1951 | ||
1952 | rep1 = i + 1; | |
1953 | reps = 1; | |
1954 | /* Only check for reps if repeat_count_threshold is not set to | |
1955 | UINT_MAX (unlimited). */ | |
1956 | if (options->repeat_count_threshold < UINT_MAX) | |
1957 | { | |
1958 | while (rep1 < len | |
1959 | && value_contents_eq (val, i * eltlen, | |
1960 | val, rep1 * eltlen, | |
1961 | eltlen)) | |
1962 | { | |
1963 | ++reps; | |
1964 | ++rep1; | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | struct value *element = value_from_component (val, elttype, eltlen * i); | |
1969 | common_val_print (element, stream, recurse + 1, options, | |
1970 | current_language); | |
1971 | ||
1972 | if (reps > options->repeat_count_threshold) | |
1973 | { | |
1974 | annotate_elt_rep (reps); | |
1975 | fprintf_filtered (stream, " %p[<repeats %u times>%p]", | |
1976 | metadata_style.style ().ptr (), reps, nullptr); | |
1977 | annotate_elt_rep_end (); | |
1978 | ||
1979 | i = rep1 - 1; | |
1980 | things_printed += options->repeat_count_threshold; | |
1981 | } | |
1982 | else | |
1983 | { | |
1984 | annotate_elt (); | |
1985 | things_printed++; | |
1986 | } | |
1987 | } | |
1988 | annotate_array_section_end (); | |
1989 | if (i < len) | |
1990 | fprintf_filtered (stream, "..."); | |
1991 | } | |
1992 | ||
917317f4 JM |
1993 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1994 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 1995 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 1996 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
1997 | |
1998 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1999 | function be eliminated. */ | |
2000 | ||
2001 | static int | |
3e43a32a | 2002 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 2003 | int len, int *errptr) |
917317f4 | 2004 | { |
581e13c1 MS |
2005 | int nread; /* Number of bytes actually read. */ |
2006 | int errcode; /* Error from last read. */ | |
917317f4 | 2007 | |
581e13c1 | 2008 | /* First try a complete read. */ |
917317f4 JM |
2009 | errcode = target_read_memory (memaddr, myaddr, len); |
2010 | if (errcode == 0) | |
2011 | { | |
581e13c1 | 2012 | /* Got it all. */ |
917317f4 JM |
2013 | nread = len; |
2014 | } | |
2015 | else | |
2016 | { | |
581e13c1 | 2017 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
2018 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
2019 | { | |
2020 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2021 | } | |
581e13c1 | 2022 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2023 | if (errcode != 0) |
2024 | { | |
2025 | nread--; | |
2026 | } | |
2027 | } | |
578d3588 | 2028 | if (errptr != NULL) |
917317f4 | 2029 | { |
578d3588 | 2030 | *errptr = errcode; |
917317f4 JM |
2031 | } |
2032 | return (nread); | |
2033 | } | |
2034 | ||
b4be9fad TT |
2035 | /* Read a string from the inferior, at ADDR, with LEN characters of |
2036 | WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER | |
2037 | will be set to a newly allocated buffer containing the string, and | |
2038 | BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2039 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2040 | |
f380848e SA |
2041 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2042 | (including eventual NULs in the middle or end of the string). | |
2043 | ||
2044 | If LEN is -1, stops at the first null character (not necessarily | |
2045 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2046 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2047 | the string. | |
ae6a3a4c TJB |
2048 | |
2049 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2050 | failure. In this case, some characters might have been read before the | |
2051 | failure happened. Check BYTES_READ to recognize this situation. | |
2052 | ||
2053 | Note: There was a FIXME asking to make this code use target_read_string, | |
2054 | but this function is more general (can read past null characters, up to | |
581e13c1 | 2055 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
2056 | so it is more tested. Perhaps callers of target_read_string should use |
2057 | this function instead? */ | |
c906108c SS |
2058 | |
2059 | int | |
ae6a3a4c | 2060 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
b4be9fad TT |
2061 | enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer, |
2062 | int *bytes_read) | |
c906108c | 2063 | { |
ae6a3a4c TJB |
2064 | int errcode; /* Errno returned from bad reads. */ |
2065 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2066 | gdb_byte *bufptr; /* Pointer to next available byte in |
2067 | buffer. */ | |
ae6a3a4c | 2068 | |
ae6a3a4c TJB |
2069 | /* Loop until we either have all the characters, or we encounter |
2070 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2071 | |
b4be9fad | 2072 | buffer->reset (nullptr); |
c906108c SS |
2073 | |
2074 | if (len > 0) | |
2075 | { | |
88db67ef YQ |
2076 | /* We want fetchlimit chars, so we might as well read them all in |
2077 | one operation. */ | |
325fac50 | 2078 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e | 2079 | |
b4be9fad TT |
2080 | buffer->reset ((gdb_byte *) xmalloc (fetchlen * width)); |
2081 | bufptr = buffer->get (); | |
c906108c | 2082 | |
f380848e | 2083 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2084 | / width; |
2085 | addr += nfetch * width; | |
2086 | bufptr += nfetch * width; | |
2087 | } | |
2088 | else if (len == -1) | |
2089 | { | |
2090 | unsigned long bufsize = 0; | |
88db67ef YQ |
2091 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2092 | int found_nul; /* Non-zero if we found the nul char. */ | |
2093 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2094 | ||
2095 | found_nul = 0; | |
2096 | /* We are looking for a NUL terminator to end the fetching, so we | |
2097 | might as well read in blocks that are large enough to be efficient, | |
2098 | but not so large as to be slow if fetchlimit happens to be large. | |
2099 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2100 | instead of 8 but 200 is way too big for remote debugging over a | |
2101 | serial line. */ | |
325fac50 | 2102 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2103 | |
c906108c SS |
2104 | do |
2105 | { | |
2106 | QUIT; | |
325fac50 | 2107 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2108 | |
ae6a3a4c | 2109 | if (*buffer == NULL) |
b4be9fad | 2110 | buffer->reset ((gdb_byte *) xmalloc (nfetch * width)); |
c906108c | 2111 | else |
b4be9fad TT |
2112 | buffer->reset ((gdb_byte *) xrealloc (buffer->release (), |
2113 | (nfetch + bufsize) * width)); | |
c906108c | 2114 | |
b4be9fad | 2115 | bufptr = buffer->get () + bufsize * width; |
c906108c SS |
2116 | bufsize += nfetch; |
2117 | ||
ae6a3a4c | 2118 | /* Read as much as we can. */ |
917317f4 | 2119 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2120 | / width; |
c906108c | 2121 | |
ae6a3a4c | 2122 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2123 | to print. If found, we don't need to fetch any more. Note |
2124 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2125 | after the null character, or at the next character after the end |
2126 | of the buffer. */ | |
c906108c SS |
2127 | |
2128 | limit = bufptr + nfetch * width; | |
2129 | while (bufptr < limit) | |
2130 | { | |
2131 | unsigned long c; | |
2132 | ||
e17a4113 | 2133 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2134 | addr += width; |
2135 | bufptr += width; | |
2136 | if (c == 0) | |
2137 | { | |
2138 | /* We don't care about any error which happened after | |
ae6a3a4c | 2139 | the NUL terminator. */ |
c906108c SS |
2140 | errcode = 0; |
2141 | found_nul = 1; | |
2142 | break; | |
2143 | } | |
2144 | } | |
2145 | } | |
c5aa993b | 2146 | while (errcode == 0 /* no error */ |
b4be9fad | 2147 | && bufptr - buffer->get () < fetchlimit * width /* no overrun */ |
ae6a3a4c | 2148 | && !found_nul); /* haven't found NUL yet */ |
c906108c SS |
2149 | } |
2150 | else | |
ae6a3a4c TJB |
2151 | { /* Length of string is really 0! */ |
2152 | /* We always allocate *buffer. */ | |
b4be9fad TT |
2153 | buffer->reset ((gdb_byte *) xmalloc (1)); |
2154 | bufptr = buffer->get (); | |
c906108c SS |
2155 | errcode = 0; |
2156 | } | |
2157 | ||
2158 | /* bufptr and addr now point immediately beyond the last byte which we | |
2159 | consider part of the string (including a '\0' which ends the string). */ | |
b4be9fad | 2160 | *bytes_read = bufptr - buffer->get (); |
ae6a3a4c TJB |
2161 | |
2162 | QUIT; | |
2163 | ||
ae6a3a4c TJB |
2164 | return errcode; |
2165 | } | |
2166 | ||
3b2b8fea TT |
2167 | /* Return true if print_wchar can display W without resorting to a |
2168 | numeric escape, false otherwise. */ | |
2169 | ||
2170 | static int | |
2171 | wchar_printable (gdb_wchar_t w) | |
2172 | { | |
2173 | return (gdb_iswprint (w) | |
2174 | || w == LCST ('\a') || w == LCST ('\b') | |
2175 | || w == LCST ('\f') || w == LCST ('\n') | |
2176 | || w == LCST ('\r') || w == LCST ('\t') | |
2177 | || w == LCST ('\v')); | |
2178 | } | |
2179 | ||
2180 | /* A helper function that converts the contents of STRING to wide | |
2181 | characters and then appends them to OUTPUT. */ | |
2182 | ||
2183 | static void | |
2184 | append_string_as_wide (const char *string, | |
2185 | struct obstack *output) | |
2186 | { | |
2187 | for (; *string; ++string) | |
2188 | { | |
2189 | gdb_wchar_t w = gdb_btowc (*string); | |
2190 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2191 | } | |
2192 | } | |
2193 | ||
2194 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2195 | original (target) bytes representing the character, ORIG_LEN is the | |
2196 | number of valid bytes. WIDTH is the number of bytes in a base | |
2197 | characters of the type. OUTPUT is an obstack to which wide | |
2198 | characters are emitted. QUOTER is a (narrow) character indicating | |
2199 | the style of quotes surrounding the character to be printed. | |
2200 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2201 | escapes across calls. */ | |
2202 | ||
2203 | static void | |
2204 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2205 | int orig_len, int width, | |
2206 | enum bfd_endian byte_order, | |
2207 | struct obstack *output, | |
2208 | int quoter, int *need_escapep) | |
2209 | { | |
2210 | int need_escape = *need_escapep; | |
2211 | ||
2212 | *need_escapep = 0; | |
3b2b8fea | 2213 | |
95c64f92 YQ |
2214 | /* iswprint implementation on Windows returns 1 for tab character. |
2215 | In order to avoid different printout on this host, we explicitly | |
2216 | use wchar_printable function. */ | |
2217 | switch (w) | |
3b2b8fea | 2218 | { |
95c64f92 YQ |
2219 | case LCST ('\a'): |
2220 | obstack_grow_wstr (output, LCST ("\\a")); | |
2221 | break; | |
2222 | case LCST ('\b'): | |
2223 | obstack_grow_wstr (output, LCST ("\\b")); | |
2224 | break; | |
2225 | case LCST ('\f'): | |
2226 | obstack_grow_wstr (output, LCST ("\\f")); | |
2227 | break; | |
2228 | case LCST ('\n'): | |
2229 | obstack_grow_wstr (output, LCST ("\\n")); | |
2230 | break; | |
2231 | case LCST ('\r'): | |
2232 | obstack_grow_wstr (output, LCST ("\\r")); | |
2233 | break; | |
2234 | case LCST ('\t'): | |
2235 | obstack_grow_wstr (output, LCST ("\\t")); | |
2236 | break; | |
2237 | case LCST ('\v'): | |
2238 | obstack_grow_wstr (output, LCST ("\\v")); | |
2239 | break; | |
2240 | default: | |
3b2b8fea | 2241 | { |
95c64f92 YQ |
2242 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2243 | && w != LCST ('8') | |
2244 | && w != LCST ('9')))) | |
2245 | { | |
2246 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2247 | |
95c64f92 YQ |
2248 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2249 | obstack_grow_wstr (output, LCST ("\\")); | |
2250 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2251 | } | |
2252 | else | |
2253 | { | |
2254 | int i; | |
3b2b8fea | 2255 | |
95c64f92 YQ |
2256 | for (i = 0; i + width <= orig_len; i += width) |
2257 | { | |
2258 | char octal[30]; | |
2259 | ULONGEST value; | |
2260 | ||
2261 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2262 | byte_order); |
95c64f92 YQ |
2263 | /* If the value fits in 3 octal digits, print it that |
2264 | way. Otherwise, print it as a hex escape. */ | |
2265 | if (value <= 0777) | |
2266 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2267 | (int) (value & 0777)); | |
2268 | else | |
2269 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2270 | append_string_as_wide (octal, output); | |
2271 | } | |
2272 | /* If we somehow have extra bytes, print them now. */ | |
2273 | while (i < orig_len) | |
2274 | { | |
2275 | char octal[5]; | |
2276 | ||
2277 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2278 | append_string_as_wide (octal, output); | |
2279 | ++i; | |
2280 | } | |
2281 | ||
2282 | *need_escapep = 1; | |
2283 | } | |
3b2b8fea TT |
2284 | break; |
2285 | } | |
2286 | } | |
2287 | } | |
2288 | ||
2289 | /* Print the character C on STREAM as part of the contents of a | |
2290 | literal string whose delimiter is QUOTER. ENCODING names the | |
2291 | encoding of C. */ | |
2292 | ||
2293 | void | |
2294 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2295 | int quoter, const char *encoding) | |
2296 | { | |
2297 | enum bfd_endian byte_order | |
34877895 | 2298 | = type_byte_order (type); |
b926417a | 2299 | gdb_byte *c_buf; |
3b2b8fea TT |
2300 | int need_escape = 0; |
2301 | ||
b926417a TT |
2302 | c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
2303 | pack_long (c_buf, type, c); | |
3b2b8fea | 2304 | |
b926417a | 2305 | wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2306 | |
2307 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2308 | auto_obstack wchar_buf; |
3b2b8fea TT |
2309 | |
2310 | while (1) | |
2311 | { | |
2312 | int num_chars; | |
2313 | gdb_wchar_t *chars; | |
2314 | const gdb_byte *buf; | |
2315 | size_t buflen; | |
2316 | int print_escape = 1; | |
2317 | enum wchar_iterate_result result; | |
2318 | ||
cda6c55b | 2319 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2320 | if (num_chars < 0) |
2321 | break; | |
2322 | if (num_chars > 0) | |
2323 | { | |
2324 | /* If all characters are printable, print them. Otherwise, | |
2325 | we're going to have to print an escape sequence. We | |
2326 | check all characters because we want to print the target | |
2327 | bytes in the escape sequence, and we don't know character | |
2328 | boundaries there. */ | |
2329 | int i; | |
2330 | ||
2331 | print_escape = 0; | |
2332 | for (i = 0; i < num_chars; ++i) | |
2333 | if (!wchar_printable (chars[i])) | |
2334 | { | |
2335 | print_escape = 1; | |
2336 | break; | |
2337 | } | |
2338 | ||
2339 | if (!print_escape) | |
2340 | { | |
2341 | for (i = 0; i < num_chars; ++i) | |
2342 | print_wchar (chars[i], buf, buflen, | |
2343 | TYPE_LENGTH (type), byte_order, | |
2344 | &wchar_buf, quoter, &need_escape); | |
2345 | } | |
2346 | } | |
2347 | ||
2348 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2349 | if (print_escape) | |
2350 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2351 | byte_order, &wchar_buf, quoter, &need_escape); | |
2352 | } | |
2353 | ||
2354 | /* The output in the host encoding. */ | |
8268c778 | 2355 | auto_obstack output; |
3b2b8fea TT |
2356 | |
2357 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2358 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2359 | obstack_object_size (&wchar_buf), |
fff10684 | 2360 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2361 | obstack_1grow (&output, '\0'); |
2362 | ||
79f33898 | 2363 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2364 | } |
2365 | ||
0d63ecda KS |
2366 | /* Return the repeat count of the next character/byte in ITER, |
2367 | storing the result in VEC. */ | |
2368 | ||
2369 | static int | |
cda6c55b | 2370 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2371 | std::vector<converted_character> *vec) |
0d63ecda KS |
2372 | { |
2373 | struct converted_character *current; | |
2374 | ||
b01ba14d | 2375 | if (vec->empty ()) |
0d63ecda KS |
2376 | { |
2377 | struct converted_character tmp; | |
2378 | gdb_wchar_t *chars; | |
2379 | ||
2380 | tmp.num_chars | |
cda6c55b | 2381 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2382 | if (tmp.num_chars > 0) |
2383 | { | |
2384 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2385 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2386 | } | |
b01ba14d | 2387 | vec->push_back (tmp); |
0d63ecda KS |
2388 | } |
2389 | ||
b01ba14d | 2390 | current = &vec->back (); |
0d63ecda KS |
2391 | |
2392 | /* Count repeated characters or bytes. */ | |
2393 | current->repeat_count = 1; | |
2394 | if (current->num_chars == -1) | |
2395 | { | |
2396 | /* EOF */ | |
2397 | return -1; | |
2398 | } | |
2399 | else | |
2400 | { | |
2401 | gdb_wchar_t *chars; | |
2402 | struct converted_character d; | |
2403 | int repeat; | |
2404 | ||
2405 | d.repeat_count = 0; | |
2406 | ||
2407 | while (1) | |
2408 | { | |
2409 | /* Get the next character. */ | |
cda6c55b | 2410 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2411 | |
2412 | /* If a character was successfully converted, save the character | |
2413 | into the converted character. */ | |
2414 | if (d.num_chars > 0) | |
2415 | { | |
2416 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2417 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2418 | } | |
2419 | ||
2420 | /* Determine if the current character is the same as this | |
2421 | new character. */ | |
2422 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2423 | { | |
2424 | /* There are two cases to consider: | |
2425 | ||
2426 | 1) Equality of converted character (num_chars > 0) | |
2427 | 2) Equality of non-converted character (num_chars == 0) */ | |
2428 | if ((current->num_chars > 0 | |
2429 | && memcmp (current->chars, d.chars, | |
2430 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2431 | || (current->num_chars == 0 | |
2432 | && current->buflen == d.buflen | |
2433 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2434 | ++current->repeat_count; | |
2435 | else | |
2436 | break; | |
2437 | } | |
2438 | else | |
2439 | break; | |
2440 | } | |
2441 | ||
2442 | /* Push this next converted character onto the result vector. */ | |
2443 | repeat = current->repeat_count; | |
b01ba14d | 2444 | vec->push_back (d); |
0d63ecda KS |
2445 | return repeat; |
2446 | } | |
2447 | } | |
2448 | ||
2449 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2450 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2451 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2452 | is the user's print options. */ |
2453 | ||
2454 | static void | |
2455 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2456 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2457 | int quote_char, int width, |
2458 | enum bfd_endian byte_order, | |
2459 | const struct value_print_options *options) | |
2460 | { | |
2461 | unsigned int idx; | |
b01ba14d | 2462 | const converted_character *elem; |
0d63ecda KS |
2463 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2464 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2465 | int need_escape = 0; | |
2466 | ||
2467 | /* Set the start state. */ | |
2468 | idx = 0; | |
2469 | last = state = START; | |
2470 | elem = NULL; | |
2471 | ||
2472 | while (1) | |
2473 | { | |
2474 | switch (state) | |
2475 | { | |
2476 | case START: | |
2477 | /* Nothing to do. */ | |
2478 | break; | |
2479 | ||
2480 | case SINGLE: | |
2481 | { | |
2482 | int j; | |
2483 | ||
2484 | /* We are outputting a single character | |
2485 | (< options->repeat_count_threshold). */ | |
2486 | ||
2487 | if (last != SINGLE) | |
2488 | { | |
2489 | /* We were outputting some other type of content, so we | |
2490 | must output and a comma and a quote. */ | |
2491 | if (last != START) | |
2492 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2493 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2494 | } | |
2495 | /* Output the character. */ | |
2496 | for (j = 0; j < elem->repeat_count; ++j) | |
2497 | { | |
2498 | if (elem->result == wchar_iterate_ok) | |
2499 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2500 | byte_order, obstack, quote_char, &need_escape); | |
2501 | else | |
2502 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2503 | byte_order, obstack, quote_char, &need_escape); | |
2504 | } | |
2505 | } | |
2506 | break; | |
2507 | ||
2508 | case REPEAT: | |
2509 | { | |
2510 | int j; | |
0d63ecda KS |
2511 | |
2512 | /* We are outputting a character with a repeat count | |
2513 | greater than options->repeat_count_threshold. */ | |
2514 | ||
2515 | if (last == SINGLE) | |
2516 | { | |
2517 | /* We were outputting a single string. Terminate the | |
2518 | string. */ | |
0d63ecda KS |
2519 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2520 | } | |
2521 | if (last != START) | |
2522 | obstack_grow_wstr (obstack, LCST (", ")); | |
2523 | ||
2524 | /* Output the character and repeat string. */ | |
2525 | obstack_grow_wstr (obstack, LCST ("'")); | |
2526 | if (elem->result == wchar_iterate_ok) | |
2527 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2528 | byte_order, obstack, quote_char, &need_escape); | |
2529 | else | |
2530 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2531 | byte_order, obstack, quote_char, &need_escape); | |
2532 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2533 | std::string s = string_printf (_(" <repeats %u times>"), |
2534 | elem->repeat_count); | |
0d63ecda KS |
2535 | for (j = 0; s[j]; ++j) |
2536 | { | |
2537 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2538 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2539 | } | |
0d63ecda KS |
2540 | } |
2541 | break; | |
2542 | ||
2543 | case INCOMPLETE: | |
2544 | /* We are outputting an incomplete sequence. */ | |
2545 | if (last == SINGLE) | |
2546 | { | |
2547 | /* If we were outputting a string of SINGLE characters, | |
2548 | terminate the quote. */ | |
0d63ecda KS |
2549 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2550 | } | |
2551 | if (last != START) | |
2552 | obstack_grow_wstr (obstack, LCST (", ")); | |
2553 | ||
2554 | /* Output the incomplete sequence string. */ | |
2555 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2556 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2557 | obstack, 0, &need_escape); | |
2558 | obstack_grow_wstr (obstack, LCST (">")); | |
2559 | ||
85102364 | 2560 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
2561 | state = FINISH; |
2562 | break; | |
2563 | ||
2564 | case FINISH: | |
2565 | /* All done. If we were outputting a string of SINGLE | |
2566 | characters, the string must be terminated. Otherwise, | |
2567 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2568 | if (last == SINGLE) | |
e93a8774 | 2569 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2570 | |
2571 | return; | |
2572 | } | |
2573 | ||
2574 | /* Get the next element and state. */ | |
2575 | last = state; | |
2576 | if (state != FINISH) | |
2577 | { | |
b01ba14d | 2578 | elem = &chars[idx++]; |
0d63ecda KS |
2579 | switch (elem->result) |
2580 | { | |
2581 | case wchar_iterate_ok: | |
2582 | case wchar_iterate_invalid: | |
2583 | if (elem->repeat_count > options->repeat_count_threshold) | |
2584 | state = REPEAT; | |
2585 | else | |
2586 | state = SINGLE; | |
2587 | break; | |
2588 | ||
2589 | case wchar_iterate_incomplete: | |
2590 | state = INCOMPLETE; | |
2591 | break; | |
2592 | ||
2593 | case wchar_iterate_eof: | |
2594 | state = FINISH; | |
2595 | break; | |
2596 | } | |
2597 | } | |
2598 | } | |
2599 | } | |
2600 | ||
3b2b8fea TT |
2601 | /* Print the character string STRING, printing at most LENGTH |
2602 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2603 | the type of each character. OPTIONS holds the printing options; | |
2604 | printing stops early if the number hits print_max; repeat counts | |
2605 | are printed as appropriate. Print ellipses at the end if we had to | |
2606 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2607 | QUOTE_CHAR is the character to print at each end of the string. If | |
2608 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2609 | omitted. */ | |
2610 | ||
2611 | void | |
2612 | generic_printstr (struct ui_file *stream, struct type *type, | |
2613 | const gdb_byte *string, unsigned int length, | |
2614 | const char *encoding, int force_ellipses, | |
2615 | int quote_char, int c_style_terminator, | |
2616 | const struct value_print_options *options) | |
2617 | { | |
34877895 | 2618 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 2619 | unsigned int i; |
3b2b8fea | 2620 | int width = TYPE_LENGTH (type); |
3b2b8fea | 2621 | int finished = 0; |
0d63ecda | 2622 | struct converted_character *last; |
3b2b8fea TT |
2623 | |
2624 | if (length == -1) | |
2625 | { | |
2626 | unsigned long current_char = 1; | |
2627 | ||
2628 | for (i = 0; current_char; ++i) | |
2629 | { | |
2630 | QUIT; | |
2631 | current_char = extract_unsigned_integer (string + i * width, | |
2632 | width, byte_order); | |
2633 | } | |
2634 | length = i; | |
2635 | } | |
2636 | ||
2637 | /* If the string was not truncated due to `set print elements', and | |
2638 | the last byte of it is a null, we don't print that, in | |
2639 | traditional C style. */ | |
2640 | if (c_style_terminator | |
2641 | && !force_ellipses | |
2642 | && length > 0 | |
2643 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2644 | width, byte_order) == 0)) | |
2645 | length--; | |
2646 | ||
2647 | if (length == 0) | |
2648 | { | |
2649 | fputs_filtered ("\"\"", stream); | |
2650 | return; | |
2651 | } | |
2652 | ||
2653 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2654 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2655 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2656 | |
0d63ecda KS |
2657 | /* Convert characters until the string is over or the maximum |
2658 | number of printed characters has been reached. */ | |
2659 | i = 0; | |
2660 | while (i < options->print_max) | |
3b2b8fea | 2661 | { |
0d63ecda | 2662 | int r; |
3b2b8fea TT |
2663 | |
2664 | QUIT; | |
2665 | ||
0d63ecda | 2666 | /* Grab the next character and repeat count. */ |
cda6c55b | 2667 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2668 | |
0d63ecda KS |
2669 | /* If less than zero, the end of the input string was reached. */ |
2670 | if (r < 0) | |
2671 | break; | |
3b2b8fea | 2672 | |
0d63ecda KS |
2673 | /* Otherwise, add the count to the total print count and get |
2674 | the next character. */ | |
2675 | i += r; | |
2676 | } | |
3b2b8fea | 2677 | |
0d63ecda KS |
2678 | /* Get the last element and determine if the entire string was |
2679 | processed. */ | |
b01ba14d | 2680 | last = &converted_chars.back (); |
0d63ecda | 2681 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2682 | |
0d63ecda KS |
2683 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2684 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2685 | |
0d63ecda KS |
2686 | /* WCHAR_BUF is the obstack we use to represent the string in |
2687 | wchar_t form. */ | |
8268c778 | 2688 | auto_obstack wchar_buf; |
3b2b8fea | 2689 | |
0d63ecda KS |
2690 | /* Print the output string to the obstack. */ |
2691 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2692 | width, byte_order, options); | |
3b2b8fea TT |
2693 | |
2694 | if (force_ellipses || !finished) | |
2695 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2696 | ||
2697 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2698 | auto_obstack output; |
3b2b8fea TT |
2699 | |
2700 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2701 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2702 | obstack_object_size (&wchar_buf), |
fff10684 | 2703 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2704 | obstack_1grow (&output, '\0'); |
2705 | ||
79f33898 | 2706 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2707 | } |
2708 | ||
ae6a3a4c TJB |
2709 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2710 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2711 | stops at the first null byte, otherwise printing proceeds (including null | |
2712 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2713 | whichever is smaller. ENCODING is the name of the string's |
2714 | encoding. It can be NULL, in which case the target encoding is | |
2715 | assumed. */ | |
ae6a3a4c TJB |
2716 | |
2717 | int | |
09ca9e2e TT |
2718 | val_print_string (struct type *elttype, const char *encoding, |
2719 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2720 | struct ui_file *stream, |
ae6a3a4c TJB |
2721 | const struct value_print_options *options) |
2722 | { | |
2723 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2724 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2725 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2726 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2727 | int bytes_read; | |
b4be9fad | 2728 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
5af949e3 | 2729 | struct gdbarch *gdbarch = get_type_arch (elttype); |
34877895 | 2730 | enum bfd_endian byte_order = type_byte_order (elttype); |
6c7a06a3 | 2731 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2732 | |
2733 | /* First we need to figure out the limit on the number of characters we are | |
2734 | going to attempt to fetch and print. This is actually pretty simple. If | |
2735 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2736 | LEN is -1, then the limit is print_max. This is true regardless of | |
2737 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2738 | because finding the null byte (or available memory) is what actually | |
2739 | limits the fetch. */ | |
2740 | ||
325fac50 PA |
2741 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2742 | options->print_max)); | |
ae6a3a4c | 2743 | |
d09f2c3f PA |
2744 | err = read_string (addr, len, width, fetchlimit, byte_order, |
2745 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2746 | |
2747 | addr += bytes_read; | |
c906108c | 2748 | |
3e43a32a MS |
2749 | /* We now have either successfully filled the buffer to fetchlimit, |
2750 | or terminated early due to an error or finding a null char when | |
2751 | LEN is -1. */ | |
ae6a3a4c TJB |
2752 | |
2753 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2754 | found_nul = 0; |
2755 | if (bytes_read >= width) | |
b4be9fad TT |
2756 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2757 | width, byte_order) == 0; | |
c906108c SS |
2758 | if (len == -1 && !found_nul) |
2759 | { | |
777ea8f1 | 2760 | gdb_byte *peekbuf; |
c906108c | 2761 | |
ae6a3a4c | 2762 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2763 | to peek at the next character. If not successful, or it is not |
2764 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2765 | |
777ea8f1 | 2766 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2767 | |
2768 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2769 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2770 | force_ellipsis = 1; |
2771 | } | |
d09f2c3f | 2772 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2773 | { |
2774 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2775 | than the number of characters actually requested, always make us |
ae6a3a4c | 2776 | print ellipsis. */ |
c906108c SS |
2777 | force_ellipsis = 1; |
2778 | } | |
2779 | ||
c906108c SS |
2780 | /* If we get an error before fetching anything, don't print a string. |
2781 | But if we fetch something and then get an error, print the string | |
2782 | and then the error message. */ | |
d09f2c3f | 2783 | if (err == 0 || bytes_read > 0) |
c906108c | 2784 | { |
b4be9fad | 2785 | LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width, |
3a772aa4 | 2786 | encoding, force_ellipsis, options); |
c906108c SS |
2787 | } |
2788 | ||
d09f2c3f | 2789 | if (err != 0) |
c906108c | 2790 | { |
1ccbe998 | 2791 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 2792 | |
2dbc041e TT |
2793 | fprintf_filtered (stream, _("<error: %ps>"), |
2794 | styled_string (metadata_style.style (), | |
2795 | str.c_str ())); | |
c906108c | 2796 | } |
ae6a3a4c | 2797 | |
ae6a3a4c | 2798 | return (bytes_read / width); |
c906108c | 2799 | } |
2e62ab40 AB |
2800 | |
2801 | /* Handle 'show print max-depth'. */ | |
2802 | ||
2803 | static void | |
2804 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2805 | struct cmd_list_element *c, const char *value) | |
2806 | { | |
2807 | fprintf_filtered (file, _("Maximum print depth is %s.\n"), value); | |
2808 | } | |
c906108c | 2809 | \f |
c5aa993b | 2810 | |
09e6485f PA |
2811 | /* The 'set input-radix' command writes to this auxiliary variable. |
2812 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2813 | it is left unchanged. */ | |
2814 | ||
2815 | static unsigned input_radix_1 = 10; | |
2816 | ||
c906108c SS |
2817 | /* Validate an input or output radix setting, and make sure the user |
2818 | knows what they really did here. Radix setting is confusing, e.g. | |
2819 | setting the input radix to "10" never changes it! */ | |
2820 | ||
c906108c | 2821 | static void |
eb4c3f4a | 2822 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2823 | { |
09e6485f | 2824 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2825 | } |
2826 | ||
c906108c | 2827 | static void |
fba45db2 | 2828 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2829 | { |
2830 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2831 | make any mathematical sense. In theory, we can deal with any input | |
2832 | radix greater than 1, even if we don't have unique digits for every | |
2833 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2834 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2835 | (FIXME). */ |
c906108c SS |
2836 | |
2837 | if (radix < 2) | |
2838 | { | |
09e6485f | 2839 | input_radix_1 = input_radix; |
8a3fe4f8 | 2840 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2841 | radix); |
2842 | } | |
09e6485f | 2843 | input_radix_1 = input_radix = radix; |
c906108c SS |
2844 | if (from_tty) |
2845 | { | |
3e43a32a MS |
2846 | printf_filtered (_("Input radix now set to " |
2847 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2848 | radix, radix, radix); |
2849 | } | |
2850 | } | |
2851 | ||
09e6485f PA |
2852 | /* The 'set output-radix' command writes to this auxiliary variable. |
2853 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2854 | otherwise, it is left unchanged. */ | |
2855 | ||
2856 | static unsigned output_radix_1 = 10; | |
2857 | ||
c906108c | 2858 | static void |
eb4c3f4a | 2859 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2860 | { |
09e6485f | 2861 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2862 | } |
2863 | ||
2864 | static void | |
fba45db2 | 2865 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2866 | { |
2867 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2868 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2869 | switch (radix) |
2870 | { | |
2871 | case 16: | |
79a45b7d | 2872 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2873 | break; |
2874 | case 10: | |
79a45b7d | 2875 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2876 | break; |
2877 | case 8: | |
79a45b7d | 2878 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2879 | break; |
2880 | default: | |
09e6485f | 2881 | output_radix_1 = output_radix; |
3e43a32a MS |
2882 | error (_("Unsupported output radix ``decimal %u''; " |
2883 | "output radix unchanged."), | |
c906108c SS |
2884 | radix); |
2885 | } | |
09e6485f | 2886 | output_radix_1 = output_radix = radix; |
c906108c SS |
2887 | if (from_tty) |
2888 | { | |
3e43a32a MS |
2889 | printf_filtered (_("Output radix now set to " |
2890 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2891 | radix, radix, radix); |
2892 | } | |
2893 | } | |
2894 | ||
2895 | /* Set both the input and output radix at once. Try to set the output radix | |
2896 | first, since it has the most restrictive range. An radix that is valid as | |
2897 | an output radix is also valid as an input radix. | |
2898 | ||
2899 | It may be useful to have an unusual input radix. If the user wishes to | |
2900 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2901 | the 'set input-radix' command. */ |
c906108c SS |
2902 | |
2903 | static void | |
b0a8e6c4 | 2904 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2905 | { |
2906 | unsigned radix; | |
2907 | ||
bb518678 | 2908 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2909 | set_output_radix_1 (0, radix); |
2910 | set_input_radix_1 (0, radix); | |
2911 | if (from_tty) | |
2912 | { | |
3e43a32a MS |
2913 | printf_filtered (_("Input and output radices now set to " |
2914 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2915 | radix, radix, radix); |
2916 | } | |
2917 | } | |
2918 | ||
581e13c1 | 2919 | /* Show both the input and output radices. */ |
c906108c | 2920 | |
c906108c | 2921 | static void |
b0a8e6c4 | 2922 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2923 | { |
2924 | if (from_tty) | |
2925 | { | |
2926 | if (input_radix == output_radix) | |
2927 | { | |
3e43a32a MS |
2928 | printf_filtered (_("Input and output radices set to " |
2929 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2930 | input_radix, input_radix, input_radix); |
2931 | } | |
2932 | else | |
2933 | { | |
3e43a32a MS |
2934 | printf_filtered (_("Input radix set to decimal " |
2935 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2936 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2937 | printf_filtered (_("Output radix set to decimal " |
2938 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2939 | output_radix, output_radix, output_radix); |
2940 | } | |
2941 | } | |
2942 | } | |
c906108c | 2943 | \f |
c5aa993b | 2944 | |
c906108c | 2945 | static void |
981a3fb3 | 2946 | set_print (const char *arg, int from_tty) |
c906108c SS |
2947 | { |
2948 | printf_unfiltered ( | |
c5aa993b | 2949 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
635c7e8a | 2950 | help_list (setprintlist, "set print ", all_commands, gdb_stdout); |
c906108c SS |
2951 | } |
2952 | ||
c906108c | 2953 | static void |
981a3fb3 | 2954 | show_print (const char *args, int from_tty) |
c906108c SS |
2955 | { |
2956 | cmd_show_list (showprintlist, from_tty, ""); | |
2957 | } | |
e7045703 DE |
2958 | |
2959 | static void | |
981a3fb3 | 2960 | set_print_raw (const char *arg, int from_tty) |
e7045703 DE |
2961 | { |
2962 | printf_unfiltered ( | |
2963 | "\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n"); | |
635c7e8a | 2964 | help_list (setprintrawlist, "set print raw ", all_commands, gdb_stdout); |
e7045703 DE |
2965 | } |
2966 | ||
2967 | static void | |
981a3fb3 | 2968 | show_print_raw (const char *args, int from_tty) |
e7045703 DE |
2969 | { |
2970 | cmd_show_list (showprintrawlist, from_tty, ""); | |
2971 | } | |
2972 | ||
7d8062de PA |
2973 | /* Controls printing of vtbl's. */ |
2974 | static void | |
2975 | show_vtblprint (struct ui_file *file, int from_tty, | |
2976 | struct cmd_list_element *c, const char *value) | |
2977 | { | |
2978 | fprintf_filtered (file, _("\ | |
2979 | Printing of C++ virtual function tables is %s.\n"), | |
2980 | value); | |
2981 | } | |
2982 | ||
2983 | /* Controls looking up an object's derived type using what we find in | |
2984 | its vtables. */ | |
2985 | static void | |
2986 | show_objectprint (struct ui_file *file, int from_tty, | |
2987 | struct cmd_list_element *c, | |
2988 | const char *value) | |
2989 | { | |
2990 | fprintf_filtered (file, _("\ | |
2991 | Printing of object's derived type based on vtable info is %s.\n"), | |
2992 | value); | |
2993 | } | |
2994 | ||
2995 | static void | |
2996 | show_static_field_print (struct ui_file *file, int from_tty, | |
2997 | struct cmd_list_element *c, | |
2998 | const char *value) | |
2999 | { | |
3000 | fprintf_filtered (file, | |
3001 | _("Printing of C++ static members is %s.\n"), | |
3002 | value); | |
3003 | } | |
3004 | ||
c906108c | 3005 | \f |
7d8062de PA |
3006 | |
3007 | /* A couple typedefs to make writing the options a bit more | |
3008 | convenient. */ | |
3009 | using boolean_option_def | |
3010 | = gdb::option::boolean_option_def<value_print_options>; | |
3011 | using uinteger_option_def | |
3012 | = gdb::option::uinteger_option_def<value_print_options>; | |
3013 | using zuinteger_unlimited_option_def | |
3014 | = gdb::option::zuinteger_unlimited_option_def<value_print_options>; | |
3015 | ||
85102364 | 3016 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
3017 | commands. */ |
3018 | static const gdb::option::option_def value_print_option_defs[] = { | |
3019 | ||
3020 | boolean_option_def { | |
3021 | "address", | |
3022 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
3023 | show_addressprint, /* show_cmd_cb */ | |
3024 | N_("Set printing of addresses."), | |
3025 | N_("Show printing of addresses."), | |
3026 | NULL, /* help_doc */ | |
3027 | }, | |
3028 | ||
3029 | boolean_option_def { | |
3030 | "array", | |
3031 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
3032 | show_prettyformat_arrays, /* show_cmd_cb */ | |
3033 | N_("Set pretty formatting of arrays."), | |
3034 | N_("Show pretty formatting of arrays."), | |
3035 | NULL, /* help_doc */ | |
3036 | }, | |
3037 | ||
3038 | boolean_option_def { | |
3039 | "array-indexes", | |
3040 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
3041 | show_print_array_indexes, /* show_cmd_cb */ | |
3042 | N_("Set printing of array indexes."), | |
590042fc | 3043 | N_("Show printing of array indexes."), |
7d8062de PA |
3044 | NULL, /* help_doc */ |
3045 | }, | |
3046 | ||
3047 | uinteger_option_def { | |
3048 | "elements", | |
3049 | [] (value_print_options *opt) { return &opt->print_max; }, | |
3050 | show_print_max, /* show_cmd_cb */ | |
3051 | N_("Set limit on string chars or array elements to print."), | |
3052 | N_("Show limit on string chars or array elements to print."), | |
3053 | N_("\"unlimited\" causes there to be no limit."), | |
3054 | }, | |
3055 | ||
3056 | zuinteger_unlimited_option_def { | |
3057 | "max-depth", | |
3058 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
3059 | show_print_max_depth, /* show_cmd_cb */ | |
3060 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
3061 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
3062 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
3063 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
3064 | Use \"unlimited\" to print the complete structure.") | |
3065 | }, | |
3066 | ||
3067 | boolean_option_def { | |
3068 | "null-stop", | |
3069 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
3070 | show_stop_print_at_null, /* show_cmd_cb */ | |
3071 | N_("Set printing of char arrays to stop at first null char."), | |
3072 | N_("Show printing of char arrays to stop at first null char."), | |
3073 | NULL, /* help_doc */ | |
3074 | }, | |
3075 | ||
3076 | boolean_option_def { | |
3077 | "object", | |
3078 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
3079 | show_objectprint, /* show_cmd_cb */ | |
3080 | _("Set printing of C++ virtual function tables."), | |
3081 | _("Show printing of C++ virtual function tables."), | |
3082 | NULL, /* help_doc */ | |
3083 | }, | |
3084 | ||
3085 | boolean_option_def { | |
3086 | "pretty", | |
3087 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
3088 | show_prettyformat_structs, /* show_cmd_cb */ | |
3089 | N_("Set pretty formatting of structures."), | |
3090 | N_("Show pretty formatting of structures."), | |
3091 | NULL, /* help_doc */ | |
3092 | }, | |
3093 | ||
d8edc8b7 PW |
3094 | boolean_option_def { |
3095 | "raw-values", | |
3096 | [] (value_print_options *opt) { return &opt->raw; }, | |
3097 | NULL, /* show_cmd_cb */ | |
3098 | N_("Set whether to print values in raw form."), | |
3099 | N_("Show whether to print values in raw form."), | |
3100 | N_("If set, values are printed in raw form, bypassing any\n\ | |
3101 | pretty-printers for that value.") | |
3102 | }, | |
3103 | ||
7d8062de PA |
3104 | uinteger_option_def { |
3105 | "repeats", | |
3106 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
3107 | show_repeat_count_threshold, /* show_cmd_cb */ | |
3108 | N_("Set threshold for repeated print elements."), | |
3109 | N_("Show threshold for repeated print elements."), | |
3110 | N_("\"unlimited\" causes all elements to be individually printed."), | |
3111 | }, | |
3112 | ||
3113 | boolean_option_def { | |
3114 | "static-members", | |
3115 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
3116 | show_static_field_print, /* show_cmd_cb */ | |
3117 | N_("Set printing of C++ static members."), | |
3118 | N_("Show printing of C++ static members."), | |
3119 | NULL, /* help_doc */ | |
3120 | }, | |
3121 | ||
3122 | boolean_option_def { | |
3123 | "symbol", | |
3124 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
3125 | show_symbol_print, /* show_cmd_cb */ | |
3126 | N_("Set printing of symbol names when printing pointers."), | |
3127 | N_("Show printing of symbol names when printing pointers."), | |
3128 | NULL, /* help_doc */ | |
3129 | }, | |
3130 | ||
3131 | boolean_option_def { | |
3132 | "union", | |
3133 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
3134 | show_unionprint, /* show_cmd_cb */ | |
3135 | N_("Set printing of unions interior to structures."), | |
3136 | N_("Show printing of unions interior to structures."), | |
3137 | NULL, /* help_doc */ | |
3138 | }, | |
3139 | ||
3140 | boolean_option_def { | |
3141 | "vtbl", | |
3142 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3143 | show_vtblprint, /* show_cmd_cb */ | |
3144 | N_("Set printing of C++ virtual function tables."), | |
3145 | N_("Show printing of C++ virtual function tables."), | |
3146 | NULL, /* help_doc */ | |
3147 | }, | |
3148 | }; | |
3149 | ||
3150 | /* See valprint.h. */ | |
3151 | ||
3152 | gdb::option::option_def_group | |
3153 | make_value_print_options_def_group (value_print_options *opts) | |
3154 | { | |
3155 | return {{value_print_option_defs}, opts}; | |
3156 | } | |
3157 | ||
6c265988 | 3158 | void _initialize_valprint (); |
c906108c | 3159 | void |
6c265988 | 3160 | _initialize_valprint () |
c906108c | 3161 | { |
2daf894e PA |
3162 | cmd_list_element *cmd; |
3163 | ||
c906108c | 3164 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 3165 | _("Generic command for setting how things print."), |
c906108c | 3166 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 3167 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3168 | /* Prefer set print to set prompt. */ |
c906108c SS |
3169 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3170 | ||
3171 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 3172 | _("Generic command for showing print settings."), |
c906108c | 3173 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
3174 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3175 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3176 | |
2daf894e PA |
3177 | cmd = add_prefix_cmd ("raw", no_class, set_print_raw, |
3178 | _("\ | |
e7045703 | 3179 | Generic command for setting what things to print in \"raw\" mode."), |
2daf894e PA |
3180 | &setprintrawlist, "set print raw ", 0, |
3181 | &setprintlist); | |
3182 | deprecate_cmd (cmd, nullptr); | |
3183 | ||
3184 | cmd = add_prefix_cmd ("raw", no_class, show_print_raw, | |
3185 | _("Generic command for showing \"print raw\" settings."), | |
3186 | &showprintrawlist, "show print raw ", 0, | |
3187 | &showprintlist); | |
3188 | deprecate_cmd (cmd, nullptr); | |
e7045703 | 3189 | |
7d8062de PA |
3190 | gdb::option::add_setshow_cmds_for_options |
3191 | (class_support, &user_print_options, value_print_option_defs, | |
3192 | &setprintlist, &showprintlist); | |
9cb709b6 | 3193 | |
1e8fb976 PA |
3194 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3195 | _("\ | |
35096d9d AC |
3196 | Set default input radix for entering numbers."), _("\ |
3197 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3198 | set_input_radix, |
3199 | show_input_radix, | |
3200 | &setlist, &showlist); | |
35096d9d | 3201 | |
1e8fb976 PA |
3202 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3203 | _("\ | |
35096d9d AC |
3204 | Set default output radix for printing of values."), _("\ |
3205 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3206 | set_output_radix, |
3207 | show_output_radix, | |
3208 | &setlist, &showlist); | |
c906108c | 3209 | |
cb1a6d5f AC |
3210 | /* The "set radix" and "show radix" commands are special in that |
3211 | they are like normal set and show commands but allow two normally | |
3212 | independent variables to be either set or shown with a single | |
b66df561 | 3213 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3214 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3215 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3216 | longer true - show can display anything. */ | |
1a966eab AC |
3217 | add_cmd ("radix", class_support, set_radix, _("\ |
3218 | Set default input and output number radices.\n\ | |
c906108c | 3219 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3220 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3221 | &setlist); |
1a966eab AC |
3222 | add_cmd ("radix", class_support, show_radix, _("\ |
3223 | Show the default input and output number radices.\n\ | |
3224 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3225 | &showlist); |
c906108c | 3226 | } |