Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 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" | |
39424bef | 30 | #include "floatformat.h" |
d16aafd8 | 31 | #include "doublest.h" |
7678ef8f | 32 | #include "dfp.h" |
6dddc817 | 33 | #include "extension.h" |
0c3acc09 | 34 | #include "ada-lang.h" |
3b2b8fea TT |
35 | #include "gdb_obstack.h" |
36 | #include "charset.h" | |
3f2f83dd | 37 | #include "typeprint.h" |
3b2b8fea | 38 | #include <ctype.h> |
325fac50 | 39 | #include <algorithm> |
d5722aa2 | 40 | #include "common/byte-vector.h" |
c906108c | 41 | |
0d63ecda KS |
42 | /* Maximum number of wchars returned from wchar_iterate. */ |
43 | #define MAX_WCHARS 4 | |
44 | ||
45 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
46 | characters. */ | |
47 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
48 | ||
49 | /* Character buffer size saved while iterating over wchars. */ | |
50 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
51 | ||
52 | /* A structure to encapsulate state information from iterated | |
53 | character conversions. */ | |
54 | struct converted_character | |
55 | { | |
56 | /* The number of characters converted. */ | |
57 | int num_chars; | |
58 | ||
59 | /* The result of the conversion. See charset.h for more. */ | |
60 | enum wchar_iterate_result result; | |
61 | ||
62 | /* The (saved) converted character(s). */ | |
63 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
64 | ||
65 | /* The first converted target byte. */ | |
66 | const gdb_byte *buf; | |
67 | ||
68 | /* The number of bytes converted. */ | |
69 | size_t buflen; | |
70 | ||
71 | /* How many times this character(s) is repeated. */ | |
72 | int repeat_count; | |
73 | }; | |
74 | ||
75 | typedef struct converted_character converted_character_d; | |
76 | DEF_VEC_O (converted_character_d); | |
77 | ||
e7045703 DE |
78 | /* Command lists for set/show print raw. */ |
79 | struct cmd_list_element *setprintrawlist; | |
80 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 81 | |
c906108c SS |
82 | /* Prototypes for local functions */ |
83 | ||
777ea8f1 | 84 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 85 | int len, int *errptr); |
917317f4 | 86 | |
a14ed312 | 87 | static void set_input_radix (char *, int, struct cmd_list_element *); |
c906108c | 88 | |
a14ed312 | 89 | static void set_input_radix_1 (int, unsigned); |
c906108c | 90 | |
a14ed312 | 91 | static void set_output_radix (char *, int, struct cmd_list_element *); |
c906108c | 92 | |
a14ed312 | 93 | static void set_output_radix_1 (int, unsigned); |
c906108c | 94 | |
81516450 DE |
95 | static void val_print_type_code_flags (struct type *type, |
96 | const gdb_byte *valaddr, | |
97 | struct ui_file *stream); | |
98 | ||
581e13c1 | 99 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
79a45b7d TT |
100 | |
101 | struct value_print_options user_print_options = | |
102 | { | |
2a998fc0 DE |
103 | Val_prettyformat_default, /* prettyformat */ |
104 | 0, /* prettyformat_arrays */ | |
105 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
106 | 0, /* vtblprint */ |
107 | 1, /* unionprint */ | |
108 | 1, /* addressprint */ | |
109 | 0, /* objectprint */ | |
110 | PRINT_MAX_DEFAULT, /* print_max */ | |
111 | 10, /* repeat_count_threshold */ | |
112 | 0, /* output_format */ | |
113 | 0, /* format */ | |
114 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
115 | 0, /* print_array_indexes */ |
116 | 0, /* deref_ref */ | |
117 | 1, /* static_field_print */ | |
a6bac58e TT |
118 | 1, /* pascal_static_field_print */ |
119 | 0, /* raw */ | |
9cb709b6 TT |
120 | 0, /* summary */ |
121 | 1 /* symbol_print */ | |
79a45b7d TT |
122 | }; |
123 | ||
124 | /* Initialize *OPTS to be a copy of the user print options. */ | |
125 | void | |
126 | get_user_print_options (struct value_print_options *opts) | |
127 | { | |
128 | *opts = user_print_options; | |
129 | } | |
130 | ||
131 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 132 | pretty-formatting disabled. */ |
79a45b7d | 133 | void |
2a998fc0 | 134 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
135 | { |
136 | *opts = user_print_options; | |
2a998fc0 | 137 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
138 | } |
139 | ||
140 | /* Initialize *OPTS to be a copy of the user print options, but using | |
141 | FORMAT as the formatting option. */ | |
142 | void | |
143 | get_formatted_print_options (struct value_print_options *opts, | |
144 | char format) | |
145 | { | |
146 | *opts = user_print_options; | |
147 | opts->format = format; | |
148 | } | |
149 | ||
920d2a44 AC |
150 | static void |
151 | show_print_max (struct ui_file *file, int from_tty, | |
152 | struct cmd_list_element *c, const char *value) | |
153 | { | |
3e43a32a MS |
154 | fprintf_filtered (file, |
155 | _("Limit on string chars or array " | |
156 | "elements to print is %s.\n"), | |
920d2a44 AC |
157 | value); |
158 | } | |
159 | ||
c906108c SS |
160 | |
161 | /* Default input and output radixes, and output format letter. */ | |
162 | ||
163 | unsigned input_radix = 10; | |
920d2a44 AC |
164 | static void |
165 | show_input_radix (struct ui_file *file, int from_tty, | |
166 | struct cmd_list_element *c, const char *value) | |
167 | { | |
3e43a32a MS |
168 | fprintf_filtered (file, |
169 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
170 | value); |
171 | } | |
172 | ||
c906108c | 173 | unsigned output_radix = 10; |
920d2a44 AC |
174 | static void |
175 | show_output_radix (struct ui_file *file, int from_tty, | |
176 | struct cmd_list_element *c, const char *value) | |
177 | { | |
3e43a32a MS |
178 | fprintf_filtered (file, |
179 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
180 | value); |
181 | } | |
c906108c | 182 | |
e79af960 JB |
183 | /* By default we print arrays without printing the index of each element in |
184 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
185 | ||
e79af960 JB |
186 | static void |
187 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
188 | struct cmd_list_element *c, const char *value) | |
189 | { | |
190 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
191 | } | |
192 | ||
c906108c SS |
193 | /* Print repeat counts if there are more than this many repetitions of an |
194 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 195 | print routines. */ |
c906108c | 196 | |
920d2a44 AC |
197 | static void |
198 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
199 | struct cmd_list_element *c, const char *value) | |
200 | { | |
201 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
202 | value); | |
203 | } | |
c906108c | 204 | |
581e13c1 | 205 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 206 | |
920d2a44 AC |
207 | static void |
208 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
209 | struct cmd_list_element *c, const char *value) | |
210 | { | |
3e43a32a MS |
211 | fprintf_filtered (file, |
212 | _("Printing of char arrays to stop " | |
213 | "at first null char is %s.\n"), | |
920d2a44 AC |
214 | value); |
215 | } | |
c906108c | 216 | |
581e13c1 | 217 | /* Controls pretty printing of structures. */ |
c906108c | 218 | |
920d2a44 | 219 | static void |
2a998fc0 | 220 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
221 | struct cmd_list_element *c, const char *value) |
222 | { | |
2a998fc0 | 223 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 224 | } |
c906108c SS |
225 | |
226 | /* Controls pretty printing of arrays. */ | |
227 | ||
920d2a44 | 228 | static void |
2a998fc0 | 229 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
230 | struct cmd_list_element *c, const char *value) |
231 | { | |
2a998fc0 | 232 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 233 | } |
c906108c SS |
234 | |
235 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 236 | printed. */ |
c906108c | 237 | |
920d2a44 AC |
238 | static void |
239 | show_unionprint (struct ui_file *file, int from_tty, | |
240 | struct cmd_list_element *c, const char *value) | |
241 | { | |
3e43a32a MS |
242 | fprintf_filtered (file, |
243 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
244 | value); |
245 | } | |
c906108c | 246 | |
581e13c1 | 247 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 248 | |
920d2a44 AC |
249 | static void |
250 | show_addressprint (struct ui_file *file, int from_tty, | |
251 | struct cmd_list_element *c, const char *value) | |
252 | { | |
253 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
254 | } | |
9cb709b6 TT |
255 | |
256 | static void | |
257 | show_symbol_print (struct ui_file *file, int from_tty, | |
258 | struct cmd_list_element *c, const char *value) | |
259 | { | |
260 | fprintf_filtered (file, | |
261 | _("Printing of symbols when printing pointers is %s.\n"), | |
262 | value); | |
263 | } | |
264 | ||
c906108c | 265 | \f |
c5aa993b | 266 | |
a6bac58e TT |
267 | /* A helper function for val_print. When printing in "summary" mode, |
268 | we want to print scalar arguments, but not aggregate arguments. | |
269 | This function distinguishes between the two. */ | |
270 | ||
6211c335 YQ |
271 | int |
272 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 273 | { |
f168693b | 274 | type = check_typedef (type); |
aa006118 | 275 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e TT |
276 | { |
277 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 278 | type = check_typedef (type); |
a6bac58e TT |
279 | } |
280 | switch (TYPE_CODE (type)) | |
281 | { | |
282 | case TYPE_CODE_ARRAY: | |
283 | case TYPE_CODE_STRUCT: | |
284 | case TYPE_CODE_UNION: | |
285 | case TYPE_CODE_SET: | |
286 | case TYPE_CODE_STRING: | |
a6bac58e TT |
287 | return 0; |
288 | default: | |
289 | return 1; | |
290 | } | |
291 | } | |
292 | ||
a72c8f6a | 293 | /* See its definition in value.h. */ |
0e03807e | 294 | |
a72c8f6a | 295 | int |
0e03807e TT |
296 | valprint_check_validity (struct ui_file *stream, |
297 | struct type *type, | |
6b850546 | 298 | LONGEST embedded_offset, |
0e03807e TT |
299 | const struct value *val) |
300 | { | |
f168693b | 301 | type = check_typedef (type); |
0e03807e | 302 | |
3f2f83dd KB |
303 | if (type_not_associated (type)) |
304 | { | |
305 | val_print_not_associated (stream); | |
306 | return 0; | |
307 | } | |
308 | ||
309 | if (type_not_allocated (type)) | |
310 | { | |
311 | val_print_not_allocated (stream); | |
312 | return 0; | |
313 | } | |
314 | ||
0e03807e TT |
315 | if (TYPE_CODE (type) != TYPE_CODE_UNION |
316 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
317 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
318 | { | |
9a0dc9e3 PA |
319 | if (value_bits_any_optimized_out (val, |
320 | TARGET_CHAR_BIT * embedded_offset, | |
321 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 322 | { |
901461f8 | 323 | val_print_optimized_out (val, stream); |
0e03807e TT |
324 | return 0; |
325 | } | |
8cf6f0b1 | 326 | |
4e07d55f | 327 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
328 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
329 | { | |
3326303b MG |
330 | const int is_ref = TYPE_CODE (type) == TYPE_CODE_REF; |
331 | int ref_is_addressable = 0; | |
332 | ||
333 | if (is_ref) | |
334 | { | |
335 | const struct value *deref_val = coerce_ref_if_computed (val); | |
336 | ||
337 | if (deref_val != NULL) | |
338 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
339 | } | |
340 | ||
341 | if (!is_ref || !ref_is_addressable) | |
342 | fputs_filtered (_("<synthetic pointer>"), stream); | |
343 | ||
344 | /* C++ references should be valid even if they're synthetic. */ | |
345 | return is_ref; | |
8cf6f0b1 | 346 | } |
4e07d55f PA |
347 | |
348 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
349 | { | |
350 | val_print_unavailable (stream); | |
351 | return 0; | |
352 | } | |
0e03807e TT |
353 | } |
354 | ||
355 | return 1; | |
356 | } | |
357 | ||
585fdaa1 | 358 | void |
901461f8 | 359 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 360 | { |
901461f8 | 361 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 362 | val_print_not_saved (stream); |
901461f8 PA |
363 | else |
364 | fprintf_filtered (stream, _("<optimized out>")); | |
585fdaa1 PA |
365 | } |
366 | ||
782d47df PA |
367 | void |
368 | val_print_not_saved (struct ui_file *stream) | |
369 | { | |
370 | fprintf_filtered (stream, _("<not saved>")); | |
371 | } | |
372 | ||
4e07d55f PA |
373 | void |
374 | val_print_unavailable (struct ui_file *stream) | |
375 | { | |
376 | fprintf_filtered (stream, _("<unavailable>")); | |
377 | } | |
378 | ||
8af8e3bc PA |
379 | void |
380 | val_print_invalid_address (struct ui_file *stream) | |
381 | { | |
382 | fprintf_filtered (stream, _("<invalid address>")); | |
383 | } | |
384 | ||
9f436164 SM |
385 | /* Print a pointer based on the type of its target. |
386 | ||
387 | Arguments to this functions are roughly the same as those in | |
388 | generic_val_print. A difference is that ADDRESS is the address to print, | |
389 | with embedded_offset already added. ELTTYPE represents | |
390 | the pointed type after check_typedef. */ | |
391 | ||
392 | static void | |
393 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
394 | CORE_ADDR address, struct ui_file *stream, | |
395 | const struct value_print_options *options) | |
396 | { | |
397 | struct gdbarch *gdbarch = get_type_arch (type); | |
398 | ||
399 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
400 | { | |
401 | /* Try to print what function it points to. */ | |
402 | print_function_pointer_address (options, gdbarch, address, stream); | |
403 | return; | |
404 | } | |
405 | ||
406 | if (options->symbol_print) | |
407 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
408 | else if (options->addressprint) | |
409 | fputs_filtered (paddress (gdbarch, address), stream); | |
410 | } | |
411 | ||
557dbe8a SM |
412 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
413 | ||
414 | static void | |
e8b24d9f | 415 | generic_val_print_array (struct type *type, |
00272ec4 TT |
416 | int embedded_offset, CORE_ADDR address, |
417 | struct ui_file *stream, int recurse, | |
e8b24d9f | 418 | struct value *original_value, |
00272ec4 TT |
419 | const struct value_print_options *options, |
420 | const struct | |
421 | generic_val_print_decorations *decorations) | |
557dbe8a SM |
422 | { |
423 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); | |
424 | struct type *elttype = check_typedef (unresolved_elttype); | |
425 | ||
426 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
427 | { | |
428 | LONGEST low_bound, high_bound; | |
429 | ||
430 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
431 | error (_("Could not determine the array high bound")); | |
432 | ||
433 | if (options->prettyformat_arrays) | |
434 | { | |
435 | print_spaces_filtered (2 + 2 * recurse, stream); | |
436 | } | |
437 | ||
00272ec4 | 438 | fputs_filtered (decorations->array_start, stream); |
e8b24d9f | 439 | val_print_array_elements (type, embedded_offset, |
557dbe8a SM |
440 | address, stream, |
441 | recurse, original_value, options, 0); | |
00272ec4 | 442 | fputs_filtered (decorations->array_end, stream); |
557dbe8a SM |
443 | } |
444 | else | |
445 | { | |
446 | /* Array of unspecified length: treat like pointer to first elt. */ | |
447 | print_unpacked_pointer (type, elttype, address + embedded_offset, stream, | |
448 | options); | |
449 | } | |
450 | ||
451 | } | |
452 | ||
81eb921a SM |
453 | /* generic_val_print helper for TYPE_CODE_PTR. */ |
454 | ||
455 | static void | |
e8b24d9f | 456 | generic_val_print_ptr (struct type *type, |
81eb921a | 457 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 458 | struct value *original_value, |
81eb921a SM |
459 | const struct value_print_options *options) |
460 | { | |
3ae385af SM |
461 | struct gdbarch *gdbarch = get_type_arch (type); |
462 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
463 | ||
81eb921a SM |
464 | if (options->format && options->format != 's') |
465 | { | |
e8b24d9f | 466 | val_print_scalar_formatted (type, embedded_offset, |
81eb921a SM |
467 | original_value, options, 0, stream); |
468 | } | |
469 | else | |
470 | { | |
471 | struct type *unresolved_elttype = TYPE_TARGET_TYPE(type); | |
472 | struct type *elttype = check_typedef (unresolved_elttype); | |
e8b24d9f | 473 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af SM |
474 | CORE_ADDR addr = unpack_pointer (type, |
475 | valaddr + embedded_offset * unit_size); | |
81eb921a SM |
476 | |
477 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
478 | } | |
479 | } | |
480 | ||
45000ea2 SM |
481 | |
482 | /* generic_val_print helper for TYPE_CODE_MEMBERPTR. */ | |
483 | ||
484 | static void | |
e8b24d9f | 485 | generic_val_print_memberptr (struct type *type, |
45000ea2 | 486 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 487 | struct value *original_value, |
45000ea2 SM |
488 | const struct value_print_options *options) |
489 | { | |
e8b24d9f | 490 | val_print_scalar_formatted (type, embedded_offset, |
45000ea2 SM |
491 | original_value, options, 0, stream); |
492 | } | |
493 | ||
3326303b MG |
494 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
495 | ||
496 | static void | |
497 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
498 | int embedded_offset, struct ui_file *stream) | |
499 | { | |
500 | struct gdbarch *gdbarch = get_type_arch (type); | |
501 | ||
502 | if (address_buffer != NULL) | |
503 | { | |
504 | CORE_ADDR address | |
505 | = extract_typed_address (address_buffer + embedded_offset, type); | |
506 | ||
507 | fprintf_filtered (stream, "@"); | |
508 | fputs_filtered (paddress (gdbarch, address), stream); | |
509 | } | |
510 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
511 | } | |
512 | ||
513 | /* If VAL is addressable, return the value contents buffer of a value that | |
514 | represents a pointer to VAL. Otherwise return NULL. */ | |
515 | ||
516 | static const gdb_byte * | |
517 | get_value_addr_contents (struct value *deref_val) | |
518 | { | |
519 | gdb_assert (deref_val != NULL); | |
520 | ||
521 | if (value_lval_const (deref_val) == lval_memory) | |
522 | return value_contents_for_printing_const (value_addr (deref_val)); | |
523 | else | |
524 | { | |
525 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
526 | return NULL; | |
527 | } | |
528 | } | |
529 | ||
aa006118 | 530 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
531 | |
532 | static void | |
e8b24d9f | 533 | generic_val_print_ref (struct type *type, |
fe43fede | 534 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 535 | struct value *original_value, |
fe43fede SM |
536 | const struct value_print_options *options) |
537 | { | |
fe43fede | 538 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
3326303b MG |
539 | struct value *deref_val = NULL; |
540 | const int value_is_synthetic | |
541 | = value_bits_synthetic_pointer (original_value, | |
542 | TARGET_CHAR_BIT * embedded_offset, | |
543 | TARGET_CHAR_BIT * TYPE_LENGTH (type)); | |
544 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) | |
545 | || options->deref_ref); | |
546 | const int type_is_defined = TYPE_CODE (elttype) != TYPE_CODE_UNDEF; | |
e8b24d9f | 547 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3326303b MG |
548 | |
549 | if (must_coerce_ref && type_is_defined) | |
550 | { | |
551 | deref_val = coerce_ref_if_computed (original_value); | |
552 | ||
553 | if (deref_val != NULL) | |
554 | { | |
555 | /* More complicated computed references are not supported. */ | |
556 | gdb_assert (embedded_offset == 0); | |
557 | } | |
558 | else | |
559 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
560 | unpack_pointer (type, valaddr + embedded_offset)); | |
561 | } | |
562 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
563 | the reference's contents. | |
564 | ||
565 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
566 | cause original_value to be a not_lval instead of an lval_computed, | |
567 | which will make value_bits_synthetic_pointer return false. | |
568 | This happens because if options->objectprint is true, c_value_print will | |
569 | overwrite original_value's contents with the result of coercing | |
570 | the reference through value_addr, and then set its type back to | |
571 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
572 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
573 | |
574 | if (options->addressprint) | |
575 | { | |
3326303b MG |
576 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
577 | ? get_value_addr_contents (deref_val) | |
578 | : valaddr); | |
579 | ||
580 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 581 | |
fe43fede SM |
582 | if (options->deref_ref) |
583 | fputs_filtered (": ", stream); | |
584 | } | |
3326303b | 585 | |
fe43fede SM |
586 | if (options->deref_ref) |
587 | { | |
3326303b MG |
588 | if (type_is_defined) |
589 | common_val_print (deref_val, stream, recurse, options, | |
590 | current_language); | |
fe43fede SM |
591 | else |
592 | fputs_filtered ("???", stream); | |
593 | } | |
594 | } | |
595 | ||
81516450 DE |
596 | /* Helper function for generic_val_print_enum. |
597 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
598 | |
599 | static void | |
81516450 DE |
600 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
601 | struct ui_file *stream) | |
ef0bc0dd SM |
602 | { |
603 | unsigned int i; | |
604 | unsigned int len; | |
ef0bc0dd | 605 | |
ef0bc0dd | 606 | len = TYPE_NFIELDS (type); |
ef0bc0dd SM |
607 | for (i = 0; i < len; i++) |
608 | { | |
609 | QUIT; | |
610 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
611 | { | |
612 | break; | |
613 | } | |
614 | } | |
615 | if (i < len) | |
616 | { | |
617 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
618 | } | |
619 | else if (TYPE_FLAG_ENUM (type)) | |
620 | { | |
621 | int first = 1; | |
622 | ||
623 | /* We have a "flag" enum, so we try to decompose it into | |
624 | pieces as appropriate. A flag enum has disjoint | |
625 | constants by definition. */ | |
626 | fputs_filtered ("(", stream); | |
627 | for (i = 0; i < len; ++i) | |
628 | { | |
629 | QUIT; | |
630 | ||
631 | if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0) | |
632 | { | |
633 | if (!first) | |
634 | fputs_filtered (" | ", stream); | |
635 | first = 0; | |
636 | ||
637 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
638 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
639 | } | |
640 | } | |
641 | ||
642 | if (first || val != 0) | |
643 | { | |
644 | if (!first) | |
645 | fputs_filtered (" | ", stream); | |
646 | fputs_filtered ("unknown: ", stream); | |
647 | print_longest (stream, 'd', 0, val); | |
648 | } | |
649 | ||
650 | fputs_filtered (")", stream); | |
651 | } | |
652 | else | |
653 | print_longest (stream, 'd', 0, val); | |
654 | } | |
655 | ||
81516450 DE |
656 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
657 | ||
658 | static void | |
e8b24d9f | 659 | generic_val_print_enum (struct type *type, |
81516450 | 660 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 661 | struct value *original_value, |
81516450 DE |
662 | const struct value_print_options *options) |
663 | { | |
664 | LONGEST val; | |
665 | struct gdbarch *gdbarch = get_type_arch (type); | |
666 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
667 | ||
668 | if (options->format) | |
669 | { | |
e8b24d9f | 670 | val_print_scalar_formatted (type, embedded_offset, |
81516450 | 671 | original_value, options, 0, stream); |
81516450 | 672 | } |
e8b24d9f YQ |
673 | else |
674 | { | |
675 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
676 | ||
677 | val = unpack_long (type, valaddr + embedded_offset * unit_size); | |
81516450 | 678 | |
e8b24d9f YQ |
679 | generic_val_print_enum_1 (type, val, stream); |
680 | } | |
81516450 DE |
681 | } |
682 | ||
d93880bd SM |
683 | /* generic_val_print helper for TYPE_CODE_FLAGS. */ |
684 | ||
685 | static void | |
e8b24d9f | 686 | generic_val_print_flags (struct type *type, |
d93880bd | 687 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 688 | struct value *original_value, |
d93880bd SM |
689 | const struct value_print_options *options) |
690 | ||
691 | { | |
692 | if (options->format) | |
e8b24d9f | 693 | val_print_scalar_formatted (type, embedded_offset, original_value, |
d93880bd SM |
694 | options, 0, stream); |
695 | else | |
e8b24d9f YQ |
696 | { |
697 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
698 | ||
699 | val_print_type_code_flags (type, valaddr + embedded_offset, stream); | |
700 | } | |
d93880bd SM |
701 | } |
702 | ||
4a8c372f SM |
703 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
704 | ||
705 | static void | |
e8b24d9f | 706 | generic_val_print_func (struct type *type, |
4a8c372f SM |
707 | int embedded_offset, CORE_ADDR address, |
708 | struct ui_file *stream, | |
e8b24d9f | 709 | struct value *original_value, |
4a8c372f SM |
710 | const struct value_print_options *options) |
711 | { | |
712 | struct gdbarch *gdbarch = get_type_arch (type); | |
713 | ||
714 | if (options->format) | |
715 | { | |
e8b24d9f | 716 | val_print_scalar_formatted (type, embedded_offset, |
4a8c372f SM |
717 | original_value, options, 0, stream); |
718 | } | |
719 | else | |
720 | { | |
721 | /* FIXME, we should consider, at least for ANSI C language, | |
722 | eliminating the distinction made between FUNCs and POINTERs | |
723 | to FUNCs. */ | |
724 | fprintf_filtered (stream, "{"); | |
725 | type_print (type, "", stream, -1); | |
726 | fprintf_filtered (stream, "} "); | |
727 | /* Try to print what function it points to, and its address. */ | |
728 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
729 | } | |
730 | } | |
731 | ||
e5bead4b SM |
732 | /* generic_val_print helper for TYPE_CODE_BOOL. */ |
733 | ||
734 | static void | |
e8b24d9f | 735 | generic_val_print_bool (struct type *type, |
e5bead4b | 736 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 737 | struct value *original_value, |
e5bead4b SM |
738 | const struct value_print_options *options, |
739 | const struct generic_val_print_decorations *decorations) | |
740 | { | |
741 | LONGEST val; | |
3ae385af SM |
742 | struct gdbarch *gdbarch = get_type_arch (type); |
743 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e5bead4b SM |
744 | |
745 | if (options->format || options->output_format) | |
746 | { | |
747 | struct value_print_options opts = *options; | |
748 | opts.format = (options->format ? options->format | |
749 | : options->output_format); | |
e8b24d9f | 750 | val_print_scalar_formatted (type, embedded_offset, |
e5bead4b SM |
751 | original_value, &opts, 0, stream); |
752 | } | |
753 | else | |
754 | { | |
e8b24d9f YQ |
755 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
756 | ||
3ae385af | 757 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
e5bead4b SM |
758 | if (val == 0) |
759 | fputs_filtered (decorations->false_name, stream); | |
760 | else if (val == 1) | |
761 | fputs_filtered (decorations->true_name, stream); | |
762 | else | |
763 | print_longest (stream, 'd', 0, val); | |
764 | } | |
765 | } | |
766 | ||
b21b6342 SM |
767 | /* generic_val_print helper for TYPE_CODE_INT. */ |
768 | ||
769 | static void | |
e8b24d9f | 770 | generic_val_print_int (struct type *type, |
b21b6342 | 771 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 772 | struct value *original_value, |
b21b6342 SM |
773 | const struct value_print_options *options) |
774 | { | |
f12f6bad | 775 | struct value_print_options opts = *options; |
3ae385af | 776 | |
f12f6bad TT |
777 | opts.format = (options->format ? options->format |
778 | : options->output_format); | |
779 | val_print_scalar_formatted (type, embedded_offset, | |
780 | original_value, &opts, 0, stream); | |
b21b6342 SM |
781 | } |
782 | ||
385f5aff SM |
783 | /* generic_val_print helper for TYPE_CODE_CHAR. */ |
784 | ||
785 | static void | |
786 | generic_val_print_char (struct type *type, struct type *unresolved_type, | |
e8b24d9f | 787 | int embedded_offset, |
385f5aff | 788 | struct ui_file *stream, |
e8b24d9f | 789 | struct value *original_value, |
385f5aff SM |
790 | const struct value_print_options *options) |
791 | { | |
792 | LONGEST val; | |
3ae385af SM |
793 | struct gdbarch *gdbarch = get_type_arch (type); |
794 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
385f5aff SM |
795 | |
796 | if (options->format || options->output_format) | |
797 | { | |
798 | struct value_print_options opts = *options; | |
799 | ||
800 | opts.format = (options->format ? options->format | |
801 | : options->output_format); | |
e8b24d9f | 802 | val_print_scalar_formatted (type, embedded_offset, |
385f5aff SM |
803 | original_value, &opts, 0, stream); |
804 | } | |
805 | else | |
806 | { | |
e8b24d9f YQ |
807 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
808 | ||
3ae385af | 809 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
385f5aff SM |
810 | if (TYPE_UNSIGNED (type)) |
811 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
812 | else | |
813 | fprintf_filtered (stream, "%d", (int) val); | |
814 | fputs_filtered (" ", stream); | |
815 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
816 | } | |
817 | } | |
818 | ||
7784724b SM |
819 | /* generic_val_print helper for TYPE_CODE_FLT. */ |
820 | ||
821 | static void | |
e8b24d9f | 822 | generic_val_print_float (struct type *type, |
7784724b | 823 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 824 | struct value *original_value, |
7784724b SM |
825 | const struct value_print_options *options) |
826 | { | |
3ae385af SM |
827 | struct gdbarch *gdbarch = get_type_arch (type); |
828 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
829 | ||
7784724b SM |
830 | if (options->format) |
831 | { | |
e8b24d9f | 832 | val_print_scalar_formatted (type, embedded_offset, |
7784724b SM |
833 | original_value, options, 0, stream); |
834 | } | |
835 | else | |
836 | { | |
e8b24d9f YQ |
837 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
838 | ||
3ae385af | 839 | print_floating (valaddr + embedded_offset * unit_size, type, stream); |
7784724b SM |
840 | } |
841 | } | |
842 | ||
9550ae5e SM |
843 | /* generic_val_print helper for TYPE_CODE_DECFLOAT. */ |
844 | ||
845 | static void | |
e8b24d9f | 846 | generic_val_print_decfloat (struct type *type, |
9550ae5e | 847 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 848 | struct value *original_value, |
9550ae5e SM |
849 | const struct value_print_options *options) |
850 | { | |
3ae385af SM |
851 | struct gdbarch *gdbarch = get_type_arch (type); |
852 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
853 | ||
9550ae5e | 854 | if (options->format) |
e8b24d9f | 855 | val_print_scalar_formatted (type, embedded_offset, original_value, |
9550ae5e SM |
856 | options, 0, stream); |
857 | else | |
e8b24d9f YQ |
858 | { |
859 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
860 | ||
861 | print_decimal_floating (valaddr + embedded_offset * unit_size, type, | |
862 | stream); | |
863 | } | |
9550ae5e SM |
864 | } |
865 | ||
0c87c0bf SM |
866 | /* generic_val_print helper for TYPE_CODE_COMPLEX. */ |
867 | ||
868 | static void | |
e8b24d9f | 869 | generic_val_print_complex (struct type *type, |
0c87c0bf | 870 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 871 | struct value *original_value, |
0c87c0bf SM |
872 | const struct value_print_options *options, |
873 | const struct generic_val_print_decorations | |
874 | *decorations) | |
875 | { | |
3ae385af SM |
876 | struct gdbarch *gdbarch = get_type_arch (type); |
877 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e8b24d9f | 878 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af | 879 | |
0c87c0bf SM |
880 | fprintf_filtered (stream, "%s", decorations->complex_prefix); |
881 | if (options->format) | |
e8b24d9f | 882 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf SM |
883 | embedded_offset, original_value, options, 0, |
884 | stream); | |
885 | else | |
3ae385af SM |
886 | print_floating (valaddr + embedded_offset * unit_size, |
887 | TYPE_TARGET_TYPE (type), stream); | |
0c87c0bf SM |
888 | fprintf_filtered (stream, "%s", decorations->complex_infix); |
889 | if (options->format) | |
e8b24d9f | 890 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf | 891 | embedded_offset |
3ae385af | 892 | + type_length_units (TYPE_TARGET_TYPE (type)), |
0c87c0bf SM |
893 | original_value, options, 0, stream); |
894 | else | |
3ae385af | 895 | print_floating (valaddr + embedded_offset * unit_size |
0c87c0bf SM |
896 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), |
897 | TYPE_TARGET_TYPE (type), stream); | |
898 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
899 | } | |
900 | ||
e88acd96 TT |
901 | /* A generic val_print that is suitable for use by language |
902 | implementations of the la_val_print method. This function can | |
903 | handle most type codes, though not all, notably exception | |
904 | TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by | |
905 | the caller. | |
906 | ||
907 | Most arguments are as to val_print. | |
908 | ||
909 | The additional DECORATIONS argument can be used to customize the | |
910 | output in some small, language-specific ways. */ | |
911 | ||
912 | void | |
e8b24d9f | 913 | generic_val_print (struct type *type, |
e88acd96 TT |
914 | int embedded_offset, CORE_ADDR address, |
915 | struct ui_file *stream, int recurse, | |
e8b24d9f | 916 | struct value *original_value, |
e88acd96 TT |
917 | const struct value_print_options *options, |
918 | const struct generic_val_print_decorations *decorations) | |
919 | { | |
e88acd96 | 920 | struct type *unresolved_type = type; |
e88acd96 | 921 | |
f168693b | 922 | type = check_typedef (type); |
e88acd96 TT |
923 | switch (TYPE_CODE (type)) |
924 | { | |
925 | case TYPE_CODE_ARRAY: | |
e8b24d9f | 926 | generic_val_print_array (type, embedded_offset, address, stream, |
00272ec4 | 927 | recurse, original_value, options, decorations); |
9f436164 | 928 | break; |
e88acd96 TT |
929 | |
930 | case TYPE_CODE_MEMBERPTR: | |
e8b24d9f | 931 | generic_val_print_memberptr (type, embedded_offset, stream, |
45000ea2 | 932 | original_value, options); |
e88acd96 TT |
933 | break; |
934 | ||
935 | case TYPE_CODE_PTR: | |
e8b24d9f | 936 | generic_val_print_ptr (type, embedded_offset, stream, |
81eb921a | 937 | original_value, options); |
e88acd96 TT |
938 | break; |
939 | ||
940 | case TYPE_CODE_REF: | |
aa006118 | 941 | case TYPE_CODE_RVALUE_REF: |
e8b24d9f | 942 | generic_val_print_ref (type, embedded_offset, stream, recurse, |
fe43fede | 943 | original_value, options); |
e88acd96 TT |
944 | break; |
945 | ||
946 | case TYPE_CODE_ENUM: | |
e8b24d9f | 947 | generic_val_print_enum (type, embedded_offset, stream, |
ef0bc0dd | 948 | original_value, options); |
e88acd96 TT |
949 | break; |
950 | ||
951 | case TYPE_CODE_FLAGS: | |
e8b24d9f | 952 | generic_val_print_flags (type, embedded_offset, stream, |
d93880bd | 953 | original_value, options); |
e88acd96 TT |
954 | break; |
955 | ||
956 | case TYPE_CODE_FUNC: | |
957 | case TYPE_CODE_METHOD: | |
e8b24d9f | 958 | generic_val_print_func (type, embedded_offset, address, stream, |
4a8c372f | 959 | original_value, options); |
e88acd96 TT |
960 | break; |
961 | ||
962 | case TYPE_CODE_BOOL: | |
e8b24d9f | 963 | generic_val_print_bool (type, embedded_offset, stream, |
e5bead4b | 964 | original_value, options, decorations); |
e88acd96 TT |
965 | break; |
966 | ||
967 | case TYPE_CODE_RANGE: | |
0c9c3474 | 968 | /* FIXME: create_static_range_type does not set the unsigned bit in a |
e88acd96 TT |
969 | range type (I think it probably should copy it from the |
970 | target type), so we won't print values which are too large to | |
971 | fit in a signed integer correctly. */ | |
972 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
973 | print with the target type, though, because the size of our | |
974 | type and the target type might differ). */ | |
975 | ||
976 | /* FALLTHROUGH */ | |
977 | ||
978 | case TYPE_CODE_INT: | |
e8b24d9f | 979 | generic_val_print_int (type, embedded_offset, stream, |
b21b6342 | 980 | original_value, options); |
e88acd96 TT |
981 | break; |
982 | ||
983 | case TYPE_CODE_CHAR: | |
e8b24d9f | 984 | generic_val_print_char (type, unresolved_type, embedded_offset, |
385f5aff | 985 | stream, original_value, options); |
e88acd96 TT |
986 | break; |
987 | ||
988 | case TYPE_CODE_FLT: | |
e8b24d9f | 989 | generic_val_print_float (type, embedded_offset, stream, |
7784724b | 990 | original_value, options); |
e88acd96 TT |
991 | break; |
992 | ||
993 | case TYPE_CODE_DECFLOAT: | |
e8b24d9f | 994 | generic_val_print_decfloat (type, embedded_offset, stream, |
9550ae5e | 995 | original_value, options); |
e88acd96 TT |
996 | break; |
997 | ||
998 | case TYPE_CODE_VOID: | |
999 | fputs_filtered (decorations->void_name, stream); | |
1000 | break; | |
1001 | ||
1002 | case TYPE_CODE_ERROR: | |
1003 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
1004 | break; | |
1005 | ||
1006 | case TYPE_CODE_UNDEF: | |
a9ff5f12 UW |
1007 | /* This happens (without TYPE_STUB set) on systems which don't use |
1008 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
1009 | and no complete type for struct foo in that file. */ | |
e88acd96 TT |
1010 | fprintf_filtered (stream, _("<incomplete type>")); |
1011 | break; | |
1012 | ||
1013 | case TYPE_CODE_COMPLEX: | |
e8b24d9f | 1014 | generic_val_print_complex (type, embedded_offset, stream, |
0c87c0bf | 1015 | original_value, options, decorations); |
e88acd96 TT |
1016 | break; |
1017 | ||
1018 | case TYPE_CODE_UNION: | |
1019 | case TYPE_CODE_STRUCT: | |
1020 | case TYPE_CODE_METHODPTR: | |
1021 | default: | |
1022 | error (_("Unhandled type code %d in symbol table."), | |
1023 | TYPE_CODE (type)); | |
1024 | } | |
1025 | gdb_flush (stream); | |
1026 | } | |
1027 | ||
32b72a42 | 1028 | /* Print using the given LANGUAGE the data of type TYPE located at |
e8b24d9f YQ |
1029 | VAL's contents buffer + EMBEDDED_OFFSET (within GDB), which came |
1030 | from the inferior at address ADDRESS + EMBEDDED_OFFSET, onto | |
1031 | stdio stream STREAM according to OPTIONS. VAL is the whole object | |
1032 | that came from ADDRESS. | |
32b72a42 PA |
1033 | |
1034 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
1035 | further helper subroutines as subfields of TYPE are printed. In | |
e8b24d9f | 1036 | such cases, VAL is passed down unadjusted, so |
32b72a42 PA |
1037 | that VAL can be queried for metadata about the contents data being |
1038 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
1039 | buffer. For example: "has this field been optimized out", or "I'm | |
1040 | printing an object while inspecting a traceframe; has this | |
1041 | particular piece of data been collected?". | |
1042 | ||
1043 | RECURSE indicates the amount of indentation to supply before | |
1044 | continuation lines; this amount is roughly twice the value of | |
35c0084b | 1045 | RECURSE. */ |
32b72a42 | 1046 | |
35c0084b | 1047 | void |
e8b24d9f | 1048 | val_print (struct type *type, LONGEST embedded_offset, |
79a45b7d | 1049 | CORE_ADDR address, struct ui_file *stream, int recurse, |
e8b24d9f | 1050 | struct value *val, |
79a45b7d | 1051 | const struct value_print_options *options, |
d8ca156b | 1052 | const struct language_defn *language) |
c906108c | 1053 | { |
19ca80ba | 1054 | int ret = 0; |
79a45b7d | 1055 | struct value_print_options local_opts = *options; |
c906108c | 1056 | struct type *real_type = check_typedef (type); |
79a45b7d | 1057 | |
2a998fc0 DE |
1058 | if (local_opts.prettyformat == Val_prettyformat_default) |
1059 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
1060 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 1061 | |
c906108c SS |
1062 | QUIT; |
1063 | ||
1064 | /* Ensure that the type is complete and not just a stub. If the type is | |
1065 | only a stub and we can't find and substitute its complete type, then | |
1066 | print appropriate string and return. */ | |
1067 | ||
74a9bb82 | 1068 | if (TYPE_STUB (real_type)) |
c906108c | 1069 | { |
0e03807e | 1070 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c | 1071 | gdb_flush (stream); |
35c0084b | 1072 | return; |
c906108c | 1073 | } |
c5aa993b | 1074 | |
0e03807e | 1075 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
35c0084b | 1076 | return; |
0e03807e | 1077 | |
a6bac58e TT |
1078 | if (!options->raw) |
1079 | { | |
668e1674 | 1080 | ret = apply_ext_lang_val_pretty_printer (type, embedded_offset, |
6dddc817 DE |
1081 | address, stream, recurse, |
1082 | val, options, language); | |
a6bac58e | 1083 | if (ret) |
35c0084b | 1084 | return; |
a6bac58e TT |
1085 | } |
1086 | ||
1087 | /* Handle summary mode. If the value is a scalar, print it; | |
1088 | otherwise, print an ellipsis. */ | |
6211c335 | 1089 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
1090 | { |
1091 | fprintf_filtered (stream, "..."); | |
35c0084b | 1092 | return; |
a6bac58e TT |
1093 | } |
1094 | ||
492d29ea | 1095 | TRY |
19ca80ba | 1096 | { |
e8b24d9f | 1097 | language->la_val_print (type, embedded_offset, address, |
d3eab38a TT |
1098 | stream, recurse, val, |
1099 | &local_opts); | |
19ca80ba | 1100 | } |
492d29ea PA |
1101 | CATCH (except, RETURN_MASK_ERROR) |
1102 | { | |
1103 | fprintf_filtered (stream, _("<error reading variable>")); | |
1104 | } | |
1105 | END_CATCH | |
c906108c SS |
1106 | } |
1107 | ||
806048c6 | 1108 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1109 | return 0 and print an appropriate error message to STREAM according to |
1110 | OPTIONS if it is not. */ | |
c906108c | 1111 | |
806048c6 | 1112 | static int |
6501578c YQ |
1113 | value_check_printable (struct value *val, struct ui_file *stream, |
1114 | const struct value_print_options *options) | |
c906108c SS |
1115 | { |
1116 | if (val == 0) | |
1117 | { | |
806048c6 | 1118 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
1119 | return 0; |
1120 | } | |
806048c6 | 1121 | |
0e03807e | 1122 | if (value_entirely_optimized_out (val)) |
c906108c | 1123 | { |
6211c335 | 1124 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1125 | fprintf_filtered (stream, "..."); |
1126 | else | |
901461f8 | 1127 | val_print_optimized_out (val, stream); |
c906108c SS |
1128 | return 0; |
1129 | } | |
806048c6 | 1130 | |
eebc056c AB |
1131 | if (value_entirely_unavailable (val)) |
1132 | { | |
1133 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1134 | fprintf_filtered (stream, "..."); | |
1135 | else | |
1136 | val_print_unavailable (stream); | |
1137 | return 0; | |
1138 | } | |
1139 | ||
bc3b79fd TJB |
1140 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
1141 | { | |
1142 | fprintf_filtered (stream, _("<internal function %s>"), | |
1143 | value_internal_function_name (val)); | |
1144 | return 0; | |
1145 | } | |
1146 | ||
3f2f83dd KB |
1147 | if (type_not_associated (value_type (val))) |
1148 | { | |
1149 | val_print_not_associated (stream); | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | if (type_not_allocated (value_type (val))) | |
1154 | { | |
1155 | val_print_not_allocated (stream); | |
1156 | return 0; | |
1157 | } | |
1158 | ||
806048c6 DJ |
1159 | return 1; |
1160 | } | |
1161 | ||
d8ca156b | 1162 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1163 | to OPTIONS. |
806048c6 | 1164 | |
806048c6 DJ |
1165 | This is a preferable interface to val_print, above, because it uses |
1166 | GDB's value mechanism. */ | |
1167 | ||
a1f5dd1b | 1168 | void |
79a45b7d TT |
1169 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1170 | const struct value_print_options *options, | |
d8ca156b | 1171 | const struct language_defn *language) |
806048c6 | 1172 | { |
6501578c | 1173 | if (!value_check_printable (val, stream, options)) |
a1f5dd1b | 1174 | return; |
806048c6 | 1175 | |
0c3acc09 JB |
1176 | if (language->la_language == language_ada) |
1177 | /* The value might have a dynamic type, which would cause trouble | |
1178 | below when trying to extract the value contents (since the value | |
1179 | size is determined from the type size which is unknown). So | |
1180 | get a fixed representation of our value. */ | |
1181 | val = ada_to_fixed_value (val); | |
1182 | ||
7d45f3df YQ |
1183 | if (value_lazy (val)) |
1184 | value_fetch_lazy (val); | |
1185 | ||
e8b24d9f | 1186 | val_print (value_type (val), |
a1f5dd1b TT |
1187 | value_embedded_offset (val), value_address (val), |
1188 | stream, recurse, | |
1189 | val, options, language); | |
806048c6 DJ |
1190 | } |
1191 | ||
7348c5e1 | 1192 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1193 | is printed using the current_language syntax. */ |
7348c5e1 | 1194 | |
8e069a98 | 1195 | void |
79a45b7d TT |
1196 | value_print (struct value *val, struct ui_file *stream, |
1197 | const struct value_print_options *options) | |
806048c6 | 1198 | { |
6501578c | 1199 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1200 | return; |
806048c6 | 1201 | |
a6bac58e TT |
1202 | if (!options->raw) |
1203 | { | |
6dddc817 DE |
1204 | int r |
1205 | = apply_ext_lang_val_pretty_printer (value_type (val), | |
6dddc817 DE |
1206 | value_embedded_offset (val), |
1207 | value_address (val), | |
1208 | stream, 0, | |
1209 | val, options, current_language); | |
a109c7c1 | 1210 | |
a6bac58e | 1211 | if (r) |
8e069a98 | 1212 | return; |
a6bac58e TT |
1213 | } |
1214 | ||
8e069a98 | 1215 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1216 | } |
1217 | ||
81516450 | 1218 | static void |
4f2aea11 MK |
1219 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, |
1220 | struct ui_file *stream) | |
1221 | { | |
befae759 | 1222 | ULONGEST val = unpack_long (type, valaddr); |
81516450 DE |
1223 | int field, nfields = TYPE_NFIELDS (type); |
1224 | struct gdbarch *gdbarch = get_type_arch (type); | |
1225 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; | |
4f2aea11 | 1226 | |
81516450 DE |
1227 | fputs_filtered ("[", stream); |
1228 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1229 | { |
81516450 | 1230 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1231 | { |
81516450 DE |
1232 | struct type *field_type = TYPE_FIELD_TYPE (type, field); |
1233 | ||
1234 | if (field_type == bool_type | |
1235 | /* We require boolean types here to be one bit wide. This is a | |
1236 | problematic place to notify the user of an internal error | |
1237 | though. Instead just fall through and print the field as an | |
1238 | int. */ | |
1239 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1240 | { | |
1241 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
1242 | fprintf_filtered (stream, " %s", | |
1243 | TYPE_FIELD_NAME (type, field)); | |
1244 | } | |
4f2aea11 | 1245 | else |
81516450 DE |
1246 | { |
1247 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1248 | ULONGEST field_val | |
1249 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1250 | ||
1251 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1252 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
1253 | fprintf_filtered (stream, " %s=", | |
1254 | TYPE_FIELD_NAME (type, field)); | |
1255 | if (TYPE_CODE (field_type) == TYPE_CODE_ENUM) | |
1256 | generic_val_print_enum_1 (field_type, field_val, stream); | |
1257 | else | |
1258 | print_longest (stream, 'd', 0, field_val); | |
1259 | } | |
4f2aea11 MK |
1260 | } |
1261 | } | |
81516450 | 1262 | fputs_filtered (" ]", stream); |
19c37f24 | 1263 | } |
ab2188aa PA |
1264 | |
1265 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
1266 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
1267 | at this level. | |
1268 | ||
1269 | This is how the elements of an array or structure are printed | |
1270 | with a format. */ | |
ab2188aa PA |
1271 | |
1272 | void | |
1273 | val_print_scalar_formatted (struct type *type, | |
e8b24d9f YQ |
1274 | LONGEST embedded_offset, |
1275 | struct value *val, | |
ab2188aa PA |
1276 | const struct value_print_options *options, |
1277 | int size, | |
1278 | struct ui_file *stream) | |
1279 | { | |
3ae385af SM |
1280 | struct gdbarch *arch = get_type_arch (type); |
1281 | int unit_size = gdbarch_addressable_memory_unit_size (arch); | |
1282 | ||
ab2188aa | 1283 | gdb_assert (val != NULL); |
ab2188aa PA |
1284 | |
1285 | /* If we get here with a string format, try again without it. Go | |
1286 | all the way back to the language printers, which may call us | |
1287 | again. */ | |
1288 | if (options->format == 's') | |
1289 | { | |
1290 | struct value_print_options opts = *options; | |
1291 | opts.format = 0; | |
1292 | opts.deref_ref = 0; | |
e8b24d9f | 1293 | val_print (type, embedded_offset, 0, stream, 0, val, &opts, |
ab2188aa PA |
1294 | current_language); |
1295 | return; | |
1296 | } | |
1297 | ||
e8b24d9f YQ |
1298 | /* value_contents_for_printing fetches all VAL's contents. They are |
1299 | needed to check whether VAL is optimized-out or unavailable | |
1300 | below. */ | |
1301 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1302 | ||
ab2188aa PA |
1303 | /* A scalar object that does not have all bits available can't be |
1304 | printed, because all bits contribute to its representation. */ | |
9a0dc9e3 PA |
1305 | if (value_bits_any_optimized_out (val, |
1306 | TARGET_CHAR_BIT * embedded_offset, | |
1307 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
901461f8 | 1308 | val_print_optimized_out (val, stream); |
4e07d55f PA |
1309 | else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) |
1310 | val_print_unavailable (stream); | |
ab2188aa | 1311 | else |
3ae385af | 1312 | print_scalar_formatted (valaddr + embedded_offset * unit_size, type, |
ab2188aa | 1313 | options, size, stream); |
4f2aea11 MK |
1314 | } |
1315 | ||
c906108c SS |
1316 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1317 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1318 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1319 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1320 | format. |
bb599908 PH |
1321 | |
1322 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1323 | 'o' and 'x' format do not include the standard C radix prefix | |
1324 | (leading 0 or 0x). | |
1325 | ||
1326 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
1327 | and was intended to request formating according to the current | |
1328 | language and would be used for most integers that GDB prints. The | |
1329 | exceptional cases were things like protocols where the format of | |
1330 | the integer is a protocol thing, not a user-visible thing). The | |
1331 | parameter remains to preserve the information of what things might | |
1332 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1333 | that capability. */ |
c906108c SS |
1334 | |
1335 | void | |
bb599908 | 1336 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1337 | LONGEST val_long) |
c906108c | 1338 | { |
2bfb72ee AC |
1339 | const char *val; |
1340 | ||
c906108c SS |
1341 | switch (format) |
1342 | { | |
1343 | case 'd': | |
bb599908 | 1344 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1345 | case 'u': |
bb599908 | 1346 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1347 | case 'x': |
bb599908 | 1348 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1349 | case 'b': |
bb599908 | 1350 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1351 | case 'h': |
bb599908 | 1352 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1353 | case 'w': |
bb599908 | 1354 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1355 | case 'g': |
bb599908 | 1356 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1357 | break; |
1358 | case 'o': | |
bb599908 | 1359 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1360 | default: |
3e43a32a MS |
1361 | internal_error (__FILE__, __LINE__, |
1362 | _("failed internal consistency check")); | |
bb599908 | 1363 | } |
2bfb72ee | 1364 | fputs_filtered (val, stream); |
c906108c SS |
1365 | } |
1366 | ||
c906108c SS |
1367 | /* This used to be a macro, but I don't think it is called often enough |
1368 | to merit such treatment. */ | |
1369 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1370 | arguments to a function, number in a value history, register number, etc.) | |
1371 | where the value must not be larger than can fit in an int. */ | |
1372 | ||
1373 | int | |
fba45db2 | 1374 | longest_to_int (LONGEST arg) |
c906108c | 1375 | { |
581e13c1 | 1376 | /* Let the compiler do the work. */ |
c906108c SS |
1377 | int rtnval = (int) arg; |
1378 | ||
581e13c1 | 1379 | /* Check for overflows or underflows. */ |
c906108c SS |
1380 | if (sizeof (LONGEST) > sizeof (int)) |
1381 | { | |
1382 | if (rtnval != arg) | |
1383 | { | |
8a3fe4f8 | 1384 | error (_("Value out of range.")); |
c906108c SS |
1385 | } |
1386 | } | |
1387 | return (rtnval); | |
1388 | } | |
1389 | ||
a73c86fb AC |
1390 | /* Print a floating point value of type TYPE (not always a |
1391 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1392 | |
1393 | void | |
fc1a4b47 | 1394 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1395 | struct ui_file *stream) |
c906108c SS |
1396 | { |
1397 | DOUBLEST doub; | |
1398 | int inv; | |
a73c86fb | 1399 | const struct floatformat *fmt = NULL; |
c906108c | 1400 | unsigned len = TYPE_LENGTH (type); |
20389057 | 1401 | enum float_kind kind; |
c5aa993b | 1402 | |
a73c86fb AC |
1403 | /* If it is a floating-point, check for obvious problems. */ |
1404 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
1405 | fmt = floatformat_from_type (type); | |
20389057 | 1406 | if (fmt != NULL) |
39424bef | 1407 | { |
20389057 DJ |
1408 | kind = floatformat_classify (fmt, valaddr); |
1409 | if (kind == float_nan) | |
1410 | { | |
1411 | if (floatformat_is_negative (fmt, valaddr)) | |
1412 | fprintf_filtered (stream, "-"); | |
1413 | fprintf_filtered (stream, "nan("); | |
1414 | fputs_filtered ("0x", stream); | |
1415 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
1416 | fprintf_filtered (stream, ")"); | |
1417 | return; | |
1418 | } | |
1419 | else if (kind == float_infinite) | |
1420 | { | |
1421 | if (floatformat_is_negative (fmt, valaddr)) | |
1422 | fputs_filtered ("-", stream); | |
1423 | fputs_filtered ("inf", stream); | |
1424 | return; | |
1425 | } | |
7355ddba | 1426 | } |
c906108c | 1427 | |
a73c86fb AC |
1428 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
1429 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
1430 | needs to be used as that takes care of any necessary type | |
1431 | conversions. Such conversions are of course direct to DOUBLEST | |
1432 | and disregard any possible target floating point limitations. | |
1433 | For instance, a u64 would be converted and displayed exactly on a | |
1434 | host with 80 bit DOUBLEST but with loss of information on a host | |
1435 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 1436 | |
c906108c SS |
1437 | doub = unpack_double (type, valaddr, &inv); |
1438 | if (inv) | |
1439 | { | |
1440 | fprintf_filtered (stream, "<invalid float value>"); | |
1441 | return; | |
1442 | } | |
1443 | ||
39424bef MK |
1444 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
1445 | assumptions about the host and target floating point format. */ | |
1446 | ||
a73c86fb | 1447 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 1448 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
1449 | instead uses the type's length to determine the precision of the |
1450 | floating-point value being printed. */ | |
c2f05ac9 | 1451 | |
c906108c | 1452 | if (len < sizeof (double)) |
c5aa993b | 1453 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 1454 | else if (len == sizeof (double)) |
c5aa993b | 1455 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
1456 | else |
1457 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
1458 | fprintf_filtered (stream, "%.35Lg", doub); | |
1459 | #else | |
39424bef MK |
1460 | /* This at least wins with values that are representable as |
1461 | doubles. */ | |
c906108c SS |
1462 | fprintf_filtered (stream, "%.17g", (double) doub); |
1463 | #endif | |
1464 | } | |
1465 | ||
7678ef8f TJB |
1466 | void |
1467 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
1468 | struct ui_file *stream) | |
1469 | { | |
e17a4113 | 1470 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
1471 | unsigned len = TYPE_LENGTH (type); |
1472 | ||
3b4b2f16 UW |
1473 | std::string str = decimal_to_string (valaddr, len, byte_order); |
1474 | fputs_filtered (str.c_str (), stream); | |
7678ef8f TJB |
1475 | } |
1476 | ||
c5aa993b | 1477 | void |
fc1a4b47 | 1478 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1479 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1480 | { |
fc1a4b47 | 1481 | const gdb_byte *p; |
745b8ca0 | 1482 | unsigned int i; |
c5aa993b | 1483 | int b; |
30a25466 | 1484 | bool seen_a_one = false; |
c906108c SS |
1485 | |
1486 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1487 | This ensures that right shift will shift in zeros. */ |
1488 | ||
c5aa993b | 1489 | const int mask = 0x080; |
c906108c | 1490 | |
d44e8473 | 1491 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1492 | { |
1493 | for (p = valaddr; | |
1494 | p < valaddr + len; | |
1495 | p++) | |
1496 | { | |
c5aa993b | 1497 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1498 | and print from the MSB end. */ |
1499 | ||
d3abe1c8 | 1500 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1501 | { |
1502 | if (*p & (mask >> i)) | |
30a25466 | 1503 | b = '1'; |
c5aa993b | 1504 | else |
30a25466 | 1505 | b = '0'; |
c5aa993b | 1506 | |
30a25466 TT |
1507 | if (zero_pad || seen_a_one || b == '1') |
1508 | fputc_filtered (b, stream); | |
1509 | if (b == '1') | |
1510 | seen_a_one = true; | |
c5aa993b | 1511 | } |
c906108c SS |
1512 | } |
1513 | } | |
1514 | else | |
1515 | { | |
1516 | for (p = valaddr + len - 1; | |
1517 | p >= valaddr; | |
1518 | p--) | |
1519 | { | |
d3abe1c8 | 1520 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1521 | { |
1522 | if (*p & (mask >> i)) | |
30a25466 | 1523 | b = '1'; |
c5aa993b | 1524 | else |
30a25466 | 1525 | b = '0'; |
c5aa993b | 1526 | |
30a25466 TT |
1527 | if (zero_pad || seen_a_one || b == '1') |
1528 | fputc_filtered (b, stream); | |
1529 | if (b == '1') | |
1530 | seen_a_one = true; | |
c5aa993b | 1531 | } |
c906108c SS |
1532 | } |
1533 | } | |
30a25466 TT |
1534 | |
1535 | /* When not zero-padding, ensure that something is printed when the | |
1536 | input is 0. */ | |
1537 | if (!zero_pad && !seen_a_one) | |
1538 | fputc_filtered ('0', stream); | |
1539 | } | |
1540 | ||
1541 | /* A helper for print_octal_chars that emits a single octal digit, | |
1542 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1543 | ||
1544 | static void | |
1545 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1546 | { | |
1547 | if (*seen_a_one || digit != 0) | |
1548 | fprintf_filtered (stream, "%o", digit); | |
1549 | if (digit != 0) | |
1550 | *seen_a_one = true; | |
c906108c SS |
1551 | } |
1552 | ||
1553 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1554 | Print it in octal on stream or format it in buf. */ |
1555 | ||
c906108c | 1556 | void |
fc1a4b47 | 1557 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1558 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1559 | { |
fc1a4b47 | 1560 | const gdb_byte *p; |
c906108c | 1561 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1562 | int cycle; |
1563 | ||
c906108c SS |
1564 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1565 | * the extra bits, which cycle every three bytes: | |
1566 | * | |
1567 | * Byte side: 0 1 2 3 | |
1568 | * | | | | | |
1569 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1570 | * | |
1571 | * Octal side: 0 1 carry 3 4 carry ... | |
1572 | * | |
1573 | * Cycle number: 0 1 2 | |
1574 | * | |
1575 | * But of course we are printing from the high side, so we have to | |
1576 | * figure out where in the cycle we are so that we end up with no | |
1577 | * left over bits at the end. | |
1578 | */ | |
1579 | #define BITS_IN_OCTAL 3 | |
1580 | #define HIGH_ZERO 0340 | |
d6382fff | 1581 | #define LOW_ZERO 0034 |
c906108c | 1582 | #define CARRY_ZERO 0003 |
d6382fff TT |
1583 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1584 | "cycle zero constants are wrong"); | |
c906108c SS |
1585 | #define HIGH_ONE 0200 |
1586 | #define MID_ONE 0160 | |
1587 | #define LOW_ONE 0016 | |
1588 | #define CARRY_ONE 0001 | |
d6382fff TT |
1589 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1590 | "cycle one constants are wrong"); | |
c906108c SS |
1591 | #define HIGH_TWO 0300 |
1592 | #define MID_TWO 0070 | |
1593 | #define LOW_TWO 0007 | |
d6382fff TT |
1594 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1595 | "cycle two constants are wrong"); | |
c906108c SS |
1596 | |
1597 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1598 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1599 | ||
d3abe1c8 | 1600 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1601 | carry = 0; |
c5aa993b | 1602 | |
bb599908 | 1603 | fputs_filtered ("0", stream); |
30a25466 | 1604 | bool seen_a_one = false; |
d44e8473 | 1605 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1606 | { |
1607 | for (p = valaddr; | |
1608 | p < valaddr + len; | |
1609 | p++) | |
1610 | { | |
c5aa993b JM |
1611 | switch (cycle) |
1612 | { | |
1613 | case 0: | |
581e13c1 MS |
1614 | /* No carry in, carry out two bits. */ |
1615 | ||
c5aa993b JM |
1616 | octa1 = (HIGH_ZERO & *p) >> 5; |
1617 | octa2 = (LOW_ZERO & *p) >> 2; | |
1618 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1619 | emit_octal_digit (stream, &seen_a_one, octa1); |
1620 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1621 | break; |
1622 | ||
1623 | case 1: | |
581e13c1 MS |
1624 | /* Carry in two bits, carry out one bit. */ |
1625 | ||
c5aa993b JM |
1626 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1627 | octa2 = (MID_ONE & *p) >> 4; | |
1628 | octa3 = (LOW_ONE & *p) >> 1; | |
1629 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1630 | emit_octal_digit (stream, &seen_a_one, octa1); |
1631 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1632 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1633 | break; |
1634 | ||
1635 | case 2: | |
581e13c1 MS |
1636 | /* Carry in one bit, no carry out. */ |
1637 | ||
c5aa993b JM |
1638 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1639 | octa2 = (MID_TWO & *p) >> 3; | |
1640 | octa3 = (LOW_TWO & *p); | |
1641 | carry = 0; | |
30a25466 TT |
1642 | emit_octal_digit (stream, &seen_a_one, octa1); |
1643 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1644 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1645 | break; |
1646 | ||
1647 | default: | |
8a3fe4f8 | 1648 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1649 | } |
1650 | ||
1651 | cycle++; | |
1652 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1653 | } |
1654 | } | |
1655 | else | |
1656 | { | |
1657 | for (p = valaddr + len - 1; | |
1658 | p >= valaddr; | |
1659 | p--) | |
1660 | { | |
c5aa993b JM |
1661 | switch (cycle) |
1662 | { | |
1663 | case 0: | |
1664 | /* Carry out, no carry in */ | |
581e13c1 | 1665 | |
c5aa993b JM |
1666 | octa1 = (HIGH_ZERO & *p) >> 5; |
1667 | octa2 = (LOW_ZERO & *p) >> 2; | |
1668 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1669 | emit_octal_digit (stream, &seen_a_one, octa1); |
1670 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1671 | break; |
1672 | ||
1673 | case 1: | |
1674 | /* Carry in, carry out */ | |
581e13c1 | 1675 | |
c5aa993b JM |
1676 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1677 | octa2 = (MID_ONE & *p) >> 4; | |
1678 | octa3 = (LOW_ONE & *p) >> 1; | |
1679 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1680 | emit_octal_digit (stream, &seen_a_one, octa1); |
1681 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1682 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1683 | break; |
1684 | ||
1685 | case 2: | |
1686 | /* Carry in, no carry out */ | |
581e13c1 | 1687 | |
c5aa993b JM |
1688 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1689 | octa2 = (MID_TWO & *p) >> 3; | |
1690 | octa3 = (LOW_TWO & *p); | |
1691 | carry = 0; | |
30a25466 TT |
1692 | emit_octal_digit (stream, &seen_a_one, octa1); |
1693 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1694 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1695 | break; |
1696 | ||
1697 | default: | |
8a3fe4f8 | 1698 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1699 | } |
1700 | ||
1701 | cycle++; | |
1702 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1703 | } |
1704 | } | |
1705 | ||
c906108c SS |
1706 | } |
1707 | ||
4ac0cb1c TT |
1708 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1709 | bytes in the specified byte order. If the integer is negative, | |
1710 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1711 | nothing and return false. */ | |
1712 | ||
1713 | static bool | |
1714 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1715 | enum bfd_endian byte_order, | |
d5722aa2 | 1716 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1717 | { |
1718 | gdb_byte sign_byte; | |
1719 | if (byte_order == BFD_ENDIAN_BIG) | |
1720 | sign_byte = bytes[0]; | |
1721 | else | |
1722 | sign_byte = bytes[len - 1]; | |
1723 | if ((sign_byte & 0x80) == 0) | |
1724 | return false; | |
1725 | ||
1726 | out_vec->resize (len); | |
1727 | ||
1728 | /* Compute -x == 1 + ~x. */ | |
1729 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1730 | { | |
1731 | unsigned carry = 1; | |
1732 | for (unsigned i = 0; i < len; ++i) | |
1733 | { | |
1734 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1735 | (*out_vec)[i] = tem & 0xff; | |
1736 | carry = tem / 256; | |
1737 | } | |
1738 | } | |
1739 | else | |
1740 | { | |
1741 | unsigned carry = 1; | |
1742 | for (unsigned i = len; i > 0; --i) | |
1743 | { | |
1744 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1745 | (*out_vec)[i - 1] = tem & 0xff; | |
1746 | carry = tem / 256; | |
1747 | } | |
1748 | } | |
1749 | ||
1750 | return true; | |
1751 | } | |
1752 | ||
c906108c | 1753 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1754 | Print it in decimal on stream or format it in buf. */ |
1755 | ||
c906108c | 1756 | void |
fc1a4b47 | 1757 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1758 | unsigned len, bool is_signed, |
1759 | enum bfd_endian byte_order) | |
c906108c SS |
1760 | { |
1761 | #define TEN 10 | |
c5aa993b | 1762 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1763 | #define CARRY_LEFT( x ) ((x) % TEN) |
1764 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1765 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1766 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1767 | ||
fc1a4b47 | 1768 | const gdb_byte *p; |
c5aa993b JM |
1769 | int carry; |
1770 | int decimal_len; | |
1771 | int i, j, decimal_digits; | |
1772 | int dummy; | |
1773 | int flip; | |
1774 | ||
d5722aa2 | 1775 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1776 | if (is_signed |
1777 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1778 | { | |
1779 | fputs_filtered ("-", stream); | |
1780 | valaddr = negated_bytes.data (); | |
1781 | } | |
1782 | ||
c906108c | 1783 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1784 | as the base 16 number, which is 2 digits per byte. */ |
1785 | ||
c906108c | 1786 | decimal_len = len * 2 * 2; |
30a25466 | 1787 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1788 | |
c906108c SS |
1789 | /* Ok, we have an unknown number of bytes of data to be printed in |
1790 | * decimal. | |
1791 | * | |
1792 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
1793 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
1794 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
1795 | * | |
1796 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1797 | * the individual digits are > 10. |
c906108c SS |
1798 | * |
1799 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1800 | * LSD end. | |
1801 | */ | |
c5aa993b | 1802 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1803 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1804 | flip = 0; |
d44e8473 | 1805 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1806 | { |
c906108c SS |
1807 | /* |
1808 | * Multiply current base-ten number by 16 in place. | |
1809 | * Each digit was between 0 and 9, now is between | |
1810 | * 0 and 144. | |
1811 | */ | |
c5aa993b JM |
1812 | for (j = 0; j < decimal_digits; j++) |
1813 | { | |
1814 | digits[j] = SHIFT (digits[j]); | |
1815 | } | |
1816 | ||
c906108c SS |
1817 | /* Take the next nibble off the input and add it to what |
1818 | * we've got in the LSB position. Bottom 'digit' is now | |
1819 | * between 0 and 159. | |
1820 | * | |
1821 | * "flip" is used to run this loop twice for each byte. | |
1822 | */ | |
c5aa993b JM |
1823 | if (flip == 0) |
1824 | { | |
581e13c1 MS |
1825 | /* Take top nibble. */ |
1826 | ||
c5aa993b JM |
1827 | digits[0] += HIGH_NIBBLE (*p); |
1828 | flip = 1; | |
1829 | } | |
1830 | else | |
1831 | { | |
581e13c1 MS |
1832 | /* Take low nibble and bump our pointer "p". */ |
1833 | ||
c5aa993b | 1834 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1835 | if (byte_order == BFD_ENDIAN_BIG) |
1836 | p++; | |
1837 | else | |
1838 | p--; | |
c5aa993b JM |
1839 | flip = 0; |
1840 | } | |
c906108c SS |
1841 | |
1842 | /* Re-decimalize. We have to do this often enough | |
1843 | * that we don't overflow, but once per nibble is | |
1844 | * overkill. Easier this way, though. Note that the | |
1845 | * carry is often larger than 10 (e.g. max initial | |
1846 | * carry out of lowest nibble is 15, could bubble all | |
1847 | * the way up greater than 10). So we have to do | |
1848 | * the carrying beyond the last current digit. | |
1849 | */ | |
1850 | carry = 0; | |
c5aa993b JM |
1851 | for (j = 0; j < decimal_len - 1; j++) |
1852 | { | |
1853 | digits[j] += carry; | |
1854 | ||
1855 | /* "/" won't handle an unsigned char with | |
1856 | * a value that if signed would be negative. | |
1857 | * So extend to longword int via "dummy". | |
1858 | */ | |
1859 | dummy = digits[j]; | |
1860 | carry = CARRY_OUT (dummy); | |
1861 | digits[j] = CARRY_LEFT (dummy); | |
1862 | ||
1863 | if (j >= decimal_digits && carry == 0) | |
1864 | { | |
1865 | /* | |
1866 | * All higher digits are 0 and we | |
1867 | * no longer have a carry. | |
1868 | * | |
1869 | * Note: "j" is 0-based, "decimal_digits" is | |
1870 | * 1-based. | |
1871 | */ | |
1872 | decimal_digits = j + 1; | |
1873 | break; | |
1874 | } | |
1875 | } | |
1876 | } | |
c906108c SS |
1877 | |
1878 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1879 | the "decimal_digits" actual digits. Print! */ |
1880 | ||
30a25466 TT |
1881 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1882 | ; | |
1883 | ||
1884 | for (; i >= 0; i--) | |
c5aa993b JM |
1885 | { |
1886 | fprintf_filtered (stream, "%1d", digits[i]); | |
1887 | } | |
c906108c SS |
1888 | } |
1889 | ||
1890 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1891 | ||
6b9acc27 | 1892 | void |
fc1a4b47 | 1893 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1894 | unsigned len, enum bfd_endian byte_order, |
1895 | bool zero_pad) | |
c906108c | 1896 | { |
fc1a4b47 | 1897 | const gdb_byte *p; |
c906108c | 1898 | |
bb599908 | 1899 | fputs_filtered ("0x", stream); |
d44e8473 | 1900 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1901 | { |
30a25466 TT |
1902 | p = valaddr; |
1903 | ||
1904 | if (!zero_pad) | |
1905 | { | |
1906 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1907 | single byte at the end. */ | |
1908 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1909 | ; | |
1910 | } | |
1911 | ||
1912 | const gdb_byte *first = p; | |
1913 | for (; | |
c906108c SS |
1914 | p < valaddr + len; |
1915 | p++) | |
1916 | { | |
30a25466 TT |
1917 | /* When not zero-padding, use a different format for the |
1918 | very first byte printed. */ | |
1919 | if (!zero_pad && p == first) | |
1920 | fprintf_filtered (stream, "%x", *p); | |
1921 | else | |
1922 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1923 | } |
1924 | } | |
1925 | else | |
1926 | { | |
30a25466 TT |
1927 | p = valaddr + len - 1; |
1928 | ||
1929 | if (!zero_pad) | |
1930 | { | |
1931 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1932 | single byte at the end. */ | |
1933 | for (; p >= valaddr + 1 && !*p; --p) | |
1934 | ; | |
1935 | } | |
1936 | ||
1937 | const gdb_byte *first = p; | |
1938 | for (; | |
c906108c SS |
1939 | p >= valaddr; |
1940 | p--) | |
1941 | { | |
30a25466 TT |
1942 | /* When not zero-padding, use a different format for the |
1943 | very first byte printed. */ | |
1944 | if (!zero_pad && p == first) | |
1945 | fprintf_filtered (stream, "%x", *p); | |
1946 | else | |
1947 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1948 | } |
1949 | } | |
c906108c SS |
1950 | } |
1951 | ||
3e43a32a | 1952 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1953 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1954 | Omit any leading zero chars. */ |
1955 | ||
1956 | void | |
6c7a06a3 TT |
1957 | print_char_chars (struct ui_file *stream, struct type *type, |
1958 | const gdb_byte *valaddr, | |
d44e8473 | 1959 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1960 | { |
fc1a4b47 | 1961 | const gdb_byte *p; |
6b9acc27 | 1962 | |
d44e8473 | 1963 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1964 | { |
1965 | p = valaddr; | |
1966 | while (p < valaddr + len - 1 && *p == 0) | |
1967 | ++p; | |
1968 | ||
1969 | while (p < valaddr + len) | |
1970 | { | |
6c7a06a3 | 1971 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1972 | ++p; |
1973 | } | |
1974 | } | |
1975 | else | |
1976 | { | |
1977 | p = valaddr + len - 1; | |
1978 | while (p > valaddr && *p == 0) | |
1979 | --p; | |
1980 | ||
1981 | while (p >= valaddr) | |
1982 | { | |
6c7a06a3 | 1983 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1984 | --p; |
1985 | } | |
1986 | } | |
1987 | } | |
1988 | ||
132c57b4 TT |
1989 | /* Print function pointer with inferior address ADDRESS onto stdio |
1990 | stream STREAM. */ | |
1991 | ||
1992 | void | |
edf0c1b7 TT |
1993 | print_function_pointer_address (const struct value_print_options *options, |
1994 | struct gdbarch *gdbarch, | |
132c57b4 | 1995 | CORE_ADDR address, |
edf0c1b7 | 1996 | struct ui_file *stream) |
132c57b4 TT |
1997 | { |
1998 | CORE_ADDR func_addr | |
1999 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
2000 | ¤t_target); | |
2001 | ||
2002 | /* If the function pointer is represented by a description, print | |
2003 | the address of the description. */ | |
edf0c1b7 | 2004 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
2005 | { |
2006 | fputs_filtered ("@", stream); | |
2007 | fputs_filtered (paddress (gdbarch, address), stream); | |
2008 | fputs_filtered (": ", stream); | |
2009 | } | |
edf0c1b7 | 2010 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
2011 | } |
2012 | ||
2013 | ||
79a45b7d | 2014 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
2015 | at INDEX of an array whose index type is INDEX_TYPE. */ |
2016 | ||
2017 | void | |
2018 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
2019 | struct ui_file *stream, |
2020 | const struct value_print_options *options) | |
e79af960 JB |
2021 | { |
2022 | struct value *index_value; | |
2023 | ||
79a45b7d | 2024 | if (!options->print_array_indexes) |
e79af960 JB |
2025 | return; |
2026 | ||
2027 | index_value = value_from_longest (index_type, index); | |
2028 | ||
79a45b7d TT |
2029 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
2030 | } | |
e79af960 | 2031 | |
c906108c | 2032 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 2033 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 2034 | |
c5aa993b JM |
2035 | (FIXME?) Assumes array element separator is a comma, which is correct |
2036 | for all languages currently handled. | |
2037 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 2038 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
2039 | |
2040 | void | |
490f124f | 2041 | val_print_array_elements (struct type *type, |
e8b24d9f | 2042 | LONGEST embedded_offset, |
a2bd3dcd | 2043 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 2044 | int recurse, |
e8b24d9f | 2045 | struct value *val, |
79a45b7d | 2046 | const struct value_print_options *options, |
fba45db2 | 2047 | unsigned int i) |
c906108c SS |
2048 | { |
2049 | unsigned int things_printed = 0; | |
2050 | unsigned len; | |
aa715135 | 2051 | struct type *elttype, *index_type, *base_index_type; |
c906108c SS |
2052 | unsigned eltlen; |
2053 | /* Position of the array element we are examining to see | |
2054 | whether it is repeated. */ | |
2055 | unsigned int rep1; | |
2056 | /* Number of repetitions we have detected so far. */ | |
2057 | unsigned int reps; | |
dbc98a8b | 2058 | LONGEST low_bound, high_bound; |
aa715135 | 2059 | LONGEST low_pos, high_pos; |
c5aa993b | 2060 | |
c906108c | 2061 | elttype = TYPE_TARGET_TYPE (type); |
3ae385af | 2062 | eltlen = type_length_units (check_typedef (elttype)); |
e79af960 | 2063 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 2064 | |
dbc98a8b | 2065 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b | 2066 | { |
aa715135 JG |
2067 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
2068 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
2069 | else | |
2070 | base_index_type = index_type; | |
2071 | ||
2072 | /* Non-contiguous enumerations types can by used as index types | |
2073 | in some languages (e.g. Ada). In this case, the array length | |
2074 | shall be computed from the positions of the first and last | |
2075 | literal in the enumeration type, and not from the values | |
2076 | of these literals. */ | |
2077 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
2078 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
2079 | { | |
2080 | warning (_("unable to get positions in array, use bounds instead")); | |
2081 | low_pos = low_bound; | |
2082 | high_pos = high_bound; | |
2083 | } | |
2084 | ||
2085 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
75be741b | 2086 | But we have to be a little extra careful, because some languages |
aa715135 | 2087 | such as Ada allow LOW_POS to be greater than HIGH_POS for |
75be741b JB |
2088 | empty arrays. In that situation, the array length is just zero, |
2089 | not negative! */ | |
aa715135 | 2090 | if (low_pos > high_pos) |
75be741b JB |
2091 | len = 0; |
2092 | else | |
aa715135 | 2093 | len = high_pos - low_pos + 1; |
75be741b | 2094 | } |
e936309c JB |
2095 | else |
2096 | { | |
dbc98a8b KW |
2097 | warning (_("unable to get bounds of array, assuming null array")); |
2098 | low_bound = 0; | |
2099 | len = 0; | |
168de233 JB |
2100 | } |
2101 | ||
c906108c SS |
2102 | annotate_array_section_begin (i, elttype); |
2103 | ||
79a45b7d | 2104 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
2105 | { |
2106 | if (i != 0) | |
2107 | { | |
2a998fc0 | 2108 | if (options->prettyformat_arrays) |
c906108c SS |
2109 | { |
2110 | fprintf_filtered (stream, ",\n"); | |
2111 | print_spaces_filtered (2 + 2 * recurse, stream); | |
2112 | } | |
2113 | else | |
2114 | { | |
2115 | fprintf_filtered (stream, ", "); | |
2116 | } | |
2117 | } | |
2118 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 2119 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 2120 | stream, options); |
c906108c SS |
2121 | |
2122 | rep1 = i + 1; | |
2123 | reps = 1; | |
35bef4fd TT |
2124 | /* Only check for reps if repeat_count_threshold is not set to |
2125 | UINT_MAX (unlimited). */ | |
2126 | if (options->repeat_count_threshold < UINT_MAX) | |
c906108c | 2127 | { |
35bef4fd | 2128 | while (rep1 < len |
9a0dc9e3 PA |
2129 | && value_contents_eq (val, |
2130 | embedded_offset + i * eltlen, | |
2131 | val, | |
2132 | (embedded_offset | |
2133 | + rep1 * eltlen), | |
2134 | eltlen)) | |
35bef4fd TT |
2135 | { |
2136 | ++reps; | |
2137 | ++rep1; | |
2138 | } | |
c906108c SS |
2139 | } |
2140 | ||
79a45b7d | 2141 | if (reps > options->repeat_count_threshold) |
c906108c | 2142 | { |
e8b24d9f | 2143 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f PA |
2144 | address, stream, recurse + 1, val, options, |
2145 | current_language); | |
c906108c SS |
2146 | annotate_elt_rep (reps); |
2147 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
2148 | annotate_elt_rep_end (); | |
2149 | ||
2150 | i = rep1 - 1; | |
79a45b7d | 2151 | things_printed += options->repeat_count_threshold; |
c906108c SS |
2152 | } |
2153 | else | |
2154 | { | |
e8b24d9f | 2155 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f | 2156 | address, |
0e03807e | 2157 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
2158 | annotate_elt (); |
2159 | things_printed++; | |
2160 | } | |
2161 | } | |
2162 | annotate_array_section_end (); | |
2163 | if (i < len) | |
2164 | { | |
2165 | fprintf_filtered (stream, "..."); | |
2166 | } | |
2167 | } | |
2168 | ||
917317f4 JM |
2169 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
2170 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 2171 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 2172 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
2173 | |
2174 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
2175 | function be eliminated. */ | |
2176 | ||
2177 | static int | |
3e43a32a | 2178 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 2179 | int len, int *errptr) |
917317f4 | 2180 | { |
581e13c1 MS |
2181 | int nread; /* Number of bytes actually read. */ |
2182 | int errcode; /* Error from last read. */ | |
917317f4 | 2183 | |
581e13c1 | 2184 | /* First try a complete read. */ |
917317f4 JM |
2185 | errcode = target_read_memory (memaddr, myaddr, len); |
2186 | if (errcode == 0) | |
2187 | { | |
581e13c1 | 2188 | /* Got it all. */ |
917317f4 JM |
2189 | nread = len; |
2190 | } | |
2191 | else | |
2192 | { | |
581e13c1 | 2193 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
2194 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
2195 | { | |
2196 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2197 | } | |
581e13c1 | 2198 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2199 | if (errcode != 0) |
2200 | { | |
2201 | nread--; | |
2202 | } | |
2203 | } | |
578d3588 | 2204 | if (errptr != NULL) |
917317f4 | 2205 | { |
578d3588 | 2206 | *errptr = errcode; |
917317f4 JM |
2207 | } |
2208 | return (nread); | |
2209 | } | |
2210 | ||
ae6a3a4c TJB |
2211 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
2212 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
2213 | allocated buffer containing the string, which the caller is responsible to | |
2214 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2215 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2216 | |
f380848e SA |
2217 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2218 | (including eventual NULs in the middle or end of the string). | |
2219 | ||
2220 | If LEN is -1, stops at the first null character (not necessarily | |
2221 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2222 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2223 | the string. | |
ae6a3a4c TJB |
2224 | |
2225 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2226 | failure. In this case, some characters might have been read before the | |
2227 | failure happened. Check BYTES_READ to recognize this situation. | |
2228 | ||
2229 | Note: There was a FIXME asking to make this code use target_read_string, | |
2230 | but this function is more general (can read past null characters, up to | |
581e13c1 | 2231 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
2232 | so it is more tested. Perhaps callers of target_read_string should use |
2233 | this function instead? */ | |
c906108c SS |
2234 | |
2235 | int | |
ae6a3a4c | 2236 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 2237 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 2238 | { |
ae6a3a4c TJB |
2239 | int errcode; /* Errno returned from bad reads. */ |
2240 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2241 | gdb_byte *bufptr; /* Pointer to next available byte in |
2242 | buffer. */ | |
ae6a3a4c TJB |
2243 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ |
2244 | ||
ae6a3a4c TJB |
2245 | /* Loop until we either have all the characters, or we encounter |
2246 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2247 | |
b5096abe PM |
2248 | *buffer = NULL; |
2249 | ||
2250 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
2251 | |
2252 | if (len > 0) | |
2253 | { | |
88db67ef YQ |
2254 | /* We want fetchlimit chars, so we might as well read them all in |
2255 | one operation. */ | |
325fac50 | 2256 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e SA |
2257 | |
2258 | *buffer = (gdb_byte *) xmalloc (fetchlen * width); | |
ae6a3a4c | 2259 | bufptr = *buffer; |
c906108c | 2260 | |
f380848e | 2261 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2262 | / width; |
2263 | addr += nfetch * width; | |
2264 | bufptr += nfetch * width; | |
2265 | } | |
2266 | else if (len == -1) | |
2267 | { | |
2268 | unsigned long bufsize = 0; | |
88db67ef YQ |
2269 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2270 | int found_nul; /* Non-zero if we found the nul char. */ | |
2271 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2272 | ||
2273 | found_nul = 0; | |
2274 | /* We are looking for a NUL terminator to end the fetching, so we | |
2275 | might as well read in blocks that are large enough to be efficient, | |
2276 | but not so large as to be slow if fetchlimit happens to be large. | |
2277 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2278 | instead of 8 but 200 is way too big for remote debugging over a | |
2279 | serial line. */ | |
325fac50 | 2280 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2281 | |
c906108c SS |
2282 | do |
2283 | { | |
2284 | QUIT; | |
325fac50 | 2285 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2286 | |
ae6a3a4c TJB |
2287 | if (*buffer == NULL) |
2288 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 2289 | else |
b5096abe PM |
2290 | *buffer = (gdb_byte *) xrealloc (*buffer, |
2291 | (nfetch + bufsize) * width); | |
c906108c | 2292 | |
ae6a3a4c | 2293 | bufptr = *buffer + bufsize * width; |
c906108c SS |
2294 | bufsize += nfetch; |
2295 | ||
ae6a3a4c | 2296 | /* Read as much as we can. */ |
917317f4 | 2297 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2298 | / width; |
c906108c | 2299 | |
ae6a3a4c | 2300 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2301 | to print. If found, we don't need to fetch any more. Note |
2302 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2303 | after the null character, or at the next character after the end |
2304 | of the buffer. */ | |
c906108c SS |
2305 | |
2306 | limit = bufptr + nfetch * width; | |
2307 | while (bufptr < limit) | |
2308 | { | |
2309 | unsigned long c; | |
2310 | ||
e17a4113 | 2311 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2312 | addr += width; |
2313 | bufptr += width; | |
2314 | if (c == 0) | |
2315 | { | |
2316 | /* We don't care about any error which happened after | |
ae6a3a4c | 2317 | the NUL terminator. */ |
c906108c SS |
2318 | errcode = 0; |
2319 | found_nul = 1; | |
2320 | break; | |
2321 | } | |
2322 | } | |
2323 | } | |
c5aa993b | 2324 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
2325 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
2326 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
2327 | } |
2328 | else | |
ae6a3a4c TJB |
2329 | { /* Length of string is really 0! */ |
2330 | /* We always allocate *buffer. */ | |
224c3ddb | 2331 | *buffer = bufptr = (gdb_byte *) xmalloc (1); |
c906108c SS |
2332 | errcode = 0; |
2333 | } | |
2334 | ||
2335 | /* bufptr and addr now point immediately beyond the last byte which we | |
2336 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
2337 | *bytes_read = bufptr - *buffer; |
2338 | ||
2339 | QUIT; | |
2340 | ||
2341 | discard_cleanups (old_chain); | |
2342 | ||
2343 | return errcode; | |
2344 | } | |
2345 | ||
3b2b8fea TT |
2346 | /* Return true if print_wchar can display W without resorting to a |
2347 | numeric escape, false otherwise. */ | |
2348 | ||
2349 | static int | |
2350 | wchar_printable (gdb_wchar_t w) | |
2351 | { | |
2352 | return (gdb_iswprint (w) | |
2353 | || w == LCST ('\a') || w == LCST ('\b') | |
2354 | || w == LCST ('\f') || w == LCST ('\n') | |
2355 | || w == LCST ('\r') || w == LCST ('\t') | |
2356 | || w == LCST ('\v')); | |
2357 | } | |
2358 | ||
2359 | /* A helper function that converts the contents of STRING to wide | |
2360 | characters and then appends them to OUTPUT. */ | |
2361 | ||
2362 | static void | |
2363 | append_string_as_wide (const char *string, | |
2364 | struct obstack *output) | |
2365 | { | |
2366 | for (; *string; ++string) | |
2367 | { | |
2368 | gdb_wchar_t w = gdb_btowc (*string); | |
2369 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2370 | } | |
2371 | } | |
2372 | ||
2373 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2374 | original (target) bytes representing the character, ORIG_LEN is the | |
2375 | number of valid bytes. WIDTH is the number of bytes in a base | |
2376 | characters of the type. OUTPUT is an obstack to which wide | |
2377 | characters are emitted. QUOTER is a (narrow) character indicating | |
2378 | the style of quotes surrounding the character to be printed. | |
2379 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2380 | escapes across calls. */ | |
2381 | ||
2382 | static void | |
2383 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2384 | int orig_len, int width, | |
2385 | enum bfd_endian byte_order, | |
2386 | struct obstack *output, | |
2387 | int quoter, int *need_escapep) | |
2388 | { | |
2389 | int need_escape = *need_escapep; | |
2390 | ||
2391 | *need_escapep = 0; | |
3b2b8fea | 2392 | |
95c64f92 YQ |
2393 | /* iswprint implementation on Windows returns 1 for tab character. |
2394 | In order to avoid different printout on this host, we explicitly | |
2395 | use wchar_printable function. */ | |
2396 | switch (w) | |
3b2b8fea | 2397 | { |
95c64f92 YQ |
2398 | case LCST ('\a'): |
2399 | obstack_grow_wstr (output, LCST ("\\a")); | |
2400 | break; | |
2401 | case LCST ('\b'): | |
2402 | obstack_grow_wstr (output, LCST ("\\b")); | |
2403 | break; | |
2404 | case LCST ('\f'): | |
2405 | obstack_grow_wstr (output, LCST ("\\f")); | |
2406 | break; | |
2407 | case LCST ('\n'): | |
2408 | obstack_grow_wstr (output, LCST ("\\n")); | |
2409 | break; | |
2410 | case LCST ('\r'): | |
2411 | obstack_grow_wstr (output, LCST ("\\r")); | |
2412 | break; | |
2413 | case LCST ('\t'): | |
2414 | obstack_grow_wstr (output, LCST ("\\t")); | |
2415 | break; | |
2416 | case LCST ('\v'): | |
2417 | obstack_grow_wstr (output, LCST ("\\v")); | |
2418 | break; | |
2419 | default: | |
3b2b8fea | 2420 | { |
95c64f92 YQ |
2421 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2422 | && w != LCST ('8') | |
2423 | && w != LCST ('9')))) | |
2424 | { | |
2425 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2426 | |
95c64f92 YQ |
2427 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2428 | obstack_grow_wstr (output, LCST ("\\")); | |
2429 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2430 | } | |
2431 | else | |
2432 | { | |
2433 | int i; | |
3b2b8fea | 2434 | |
95c64f92 YQ |
2435 | for (i = 0; i + width <= orig_len; i += width) |
2436 | { | |
2437 | char octal[30]; | |
2438 | ULONGEST value; | |
2439 | ||
2440 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2441 | byte_order); |
95c64f92 YQ |
2442 | /* If the value fits in 3 octal digits, print it that |
2443 | way. Otherwise, print it as a hex escape. */ | |
2444 | if (value <= 0777) | |
2445 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2446 | (int) (value & 0777)); | |
2447 | else | |
2448 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2449 | append_string_as_wide (octal, output); | |
2450 | } | |
2451 | /* If we somehow have extra bytes, print them now. */ | |
2452 | while (i < orig_len) | |
2453 | { | |
2454 | char octal[5]; | |
2455 | ||
2456 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2457 | append_string_as_wide (octal, output); | |
2458 | ++i; | |
2459 | } | |
2460 | ||
2461 | *need_escapep = 1; | |
2462 | } | |
3b2b8fea TT |
2463 | break; |
2464 | } | |
2465 | } | |
2466 | } | |
2467 | ||
2468 | /* Print the character C on STREAM as part of the contents of a | |
2469 | literal string whose delimiter is QUOTER. ENCODING names the | |
2470 | encoding of C. */ | |
2471 | ||
2472 | void | |
2473 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2474 | int quoter, const char *encoding) | |
2475 | { | |
2476 | enum bfd_endian byte_order | |
2477 | = gdbarch_byte_order (get_type_arch (type)); | |
3b2b8fea | 2478 | gdb_byte *buf; |
3b2b8fea TT |
2479 | int need_escape = 0; |
2480 | ||
224c3ddb | 2481 | buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
3b2b8fea TT |
2482 | pack_long (buf, type, c); |
2483 | ||
cda6c55b | 2484 | wchar_iterator iter (buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2485 | |
2486 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2487 | auto_obstack wchar_buf; |
3b2b8fea TT |
2488 | |
2489 | while (1) | |
2490 | { | |
2491 | int num_chars; | |
2492 | gdb_wchar_t *chars; | |
2493 | const gdb_byte *buf; | |
2494 | size_t buflen; | |
2495 | int print_escape = 1; | |
2496 | enum wchar_iterate_result result; | |
2497 | ||
cda6c55b | 2498 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2499 | if (num_chars < 0) |
2500 | break; | |
2501 | if (num_chars > 0) | |
2502 | { | |
2503 | /* If all characters are printable, print them. Otherwise, | |
2504 | we're going to have to print an escape sequence. We | |
2505 | check all characters because we want to print the target | |
2506 | bytes in the escape sequence, and we don't know character | |
2507 | boundaries there. */ | |
2508 | int i; | |
2509 | ||
2510 | print_escape = 0; | |
2511 | for (i = 0; i < num_chars; ++i) | |
2512 | if (!wchar_printable (chars[i])) | |
2513 | { | |
2514 | print_escape = 1; | |
2515 | break; | |
2516 | } | |
2517 | ||
2518 | if (!print_escape) | |
2519 | { | |
2520 | for (i = 0; i < num_chars; ++i) | |
2521 | print_wchar (chars[i], buf, buflen, | |
2522 | TYPE_LENGTH (type), byte_order, | |
2523 | &wchar_buf, quoter, &need_escape); | |
2524 | } | |
2525 | } | |
2526 | ||
2527 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2528 | if (print_escape) | |
2529 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2530 | byte_order, &wchar_buf, quoter, &need_escape); | |
2531 | } | |
2532 | ||
2533 | /* The output in the host encoding. */ | |
8268c778 | 2534 | auto_obstack output; |
3b2b8fea TT |
2535 | |
2536 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2537 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2538 | obstack_object_size (&wchar_buf), |
fff10684 | 2539 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2540 | obstack_1grow (&output, '\0'); |
2541 | ||
79f33898 | 2542 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2543 | } |
2544 | ||
0d63ecda KS |
2545 | /* Return the repeat count of the next character/byte in ITER, |
2546 | storing the result in VEC. */ | |
2547 | ||
2548 | static int | |
cda6c55b | 2549 | count_next_character (wchar_iterator *iter, |
0d63ecda KS |
2550 | VEC (converted_character_d) **vec) |
2551 | { | |
2552 | struct converted_character *current; | |
2553 | ||
2554 | if (VEC_empty (converted_character_d, *vec)) | |
2555 | { | |
2556 | struct converted_character tmp; | |
2557 | gdb_wchar_t *chars; | |
2558 | ||
2559 | tmp.num_chars | |
cda6c55b | 2560 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2561 | if (tmp.num_chars > 0) |
2562 | { | |
2563 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2564 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2565 | } | |
2566 | VEC_safe_push (converted_character_d, *vec, &tmp); | |
2567 | } | |
2568 | ||
2569 | current = VEC_last (converted_character_d, *vec); | |
2570 | ||
2571 | /* Count repeated characters or bytes. */ | |
2572 | current->repeat_count = 1; | |
2573 | if (current->num_chars == -1) | |
2574 | { | |
2575 | /* EOF */ | |
2576 | return -1; | |
2577 | } | |
2578 | else | |
2579 | { | |
2580 | gdb_wchar_t *chars; | |
2581 | struct converted_character d; | |
2582 | int repeat; | |
2583 | ||
2584 | d.repeat_count = 0; | |
2585 | ||
2586 | while (1) | |
2587 | { | |
2588 | /* Get the next character. */ | |
cda6c55b | 2589 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2590 | |
2591 | /* If a character was successfully converted, save the character | |
2592 | into the converted character. */ | |
2593 | if (d.num_chars > 0) | |
2594 | { | |
2595 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2596 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2597 | } | |
2598 | ||
2599 | /* Determine if the current character is the same as this | |
2600 | new character. */ | |
2601 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2602 | { | |
2603 | /* There are two cases to consider: | |
2604 | ||
2605 | 1) Equality of converted character (num_chars > 0) | |
2606 | 2) Equality of non-converted character (num_chars == 0) */ | |
2607 | if ((current->num_chars > 0 | |
2608 | && memcmp (current->chars, d.chars, | |
2609 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2610 | || (current->num_chars == 0 | |
2611 | && current->buflen == d.buflen | |
2612 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2613 | ++current->repeat_count; | |
2614 | else | |
2615 | break; | |
2616 | } | |
2617 | else | |
2618 | break; | |
2619 | } | |
2620 | ||
2621 | /* Push this next converted character onto the result vector. */ | |
2622 | repeat = current->repeat_count; | |
2623 | VEC_safe_push (converted_character_d, *vec, &d); | |
2624 | return repeat; | |
2625 | } | |
2626 | } | |
2627 | ||
2628 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2629 | character to use with string output. WIDTH is the size of the output | |
2630 | character type. BYTE_ORDER is the the target byte order. OPTIONS | |
2631 | is the user's print options. */ | |
2632 | ||
2633 | static void | |
2634 | print_converted_chars_to_obstack (struct obstack *obstack, | |
2635 | VEC (converted_character_d) *chars, | |
2636 | int quote_char, int width, | |
2637 | enum bfd_endian byte_order, | |
2638 | const struct value_print_options *options) | |
2639 | { | |
2640 | unsigned int idx; | |
2641 | struct converted_character *elem; | |
2642 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; | |
2643 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2644 | int need_escape = 0; | |
2645 | ||
2646 | /* Set the start state. */ | |
2647 | idx = 0; | |
2648 | last = state = START; | |
2649 | elem = NULL; | |
2650 | ||
2651 | while (1) | |
2652 | { | |
2653 | switch (state) | |
2654 | { | |
2655 | case START: | |
2656 | /* Nothing to do. */ | |
2657 | break; | |
2658 | ||
2659 | case SINGLE: | |
2660 | { | |
2661 | int j; | |
2662 | ||
2663 | /* We are outputting a single character | |
2664 | (< options->repeat_count_threshold). */ | |
2665 | ||
2666 | if (last != SINGLE) | |
2667 | { | |
2668 | /* We were outputting some other type of content, so we | |
2669 | must output and a comma and a quote. */ | |
2670 | if (last != START) | |
2671 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2672 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2673 | } | |
2674 | /* Output the character. */ | |
2675 | for (j = 0; j < elem->repeat_count; ++j) | |
2676 | { | |
2677 | if (elem->result == wchar_iterate_ok) | |
2678 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2679 | byte_order, obstack, quote_char, &need_escape); | |
2680 | else | |
2681 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2682 | byte_order, obstack, quote_char, &need_escape); | |
2683 | } | |
2684 | } | |
2685 | break; | |
2686 | ||
2687 | case REPEAT: | |
2688 | { | |
2689 | int j; | |
2690 | char *s; | |
2691 | ||
2692 | /* We are outputting a character with a repeat count | |
2693 | greater than options->repeat_count_threshold. */ | |
2694 | ||
2695 | if (last == SINGLE) | |
2696 | { | |
2697 | /* We were outputting a single string. Terminate the | |
2698 | string. */ | |
0d63ecda KS |
2699 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2700 | } | |
2701 | if (last != START) | |
2702 | obstack_grow_wstr (obstack, LCST (", ")); | |
2703 | ||
2704 | /* Output the character and repeat string. */ | |
2705 | obstack_grow_wstr (obstack, LCST ("'")); | |
2706 | if (elem->result == wchar_iterate_ok) | |
2707 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2708 | byte_order, obstack, quote_char, &need_escape); | |
2709 | else | |
2710 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2711 | byte_order, obstack, quote_char, &need_escape); | |
2712 | obstack_grow_wstr (obstack, LCST ("'")); | |
2713 | s = xstrprintf (_(" <repeats %u times>"), elem->repeat_count); | |
2714 | for (j = 0; s[j]; ++j) | |
2715 | { | |
2716 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2717 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2718 | } | |
2719 | xfree (s); | |
2720 | } | |
2721 | break; | |
2722 | ||
2723 | case INCOMPLETE: | |
2724 | /* We are outputting an incomplete sequence. */ | |
2725 | if (last == SINGLE) | |
2726 | { | |
2727 | /* If we were outputting a string of SINGLE characters, | |
2728 | terminate the quote. */ | |
0d63ecda KS |
2729 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2730 | } | |
2731 | if (last != START) | |
2732 | obstack_grow_wstr (obstack, LCST (", ")); | |
2733 | ||
2734 | /* Output the incomplete sequence string. */ | |
2735 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2736 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2737 | obstack, 0, &need_escape); | |
2738 | obstack_grow_wstr (obstack, LCST (">")); | |
2739 | ||
2740 | /* We do not attempt to outupt anything after this. */ | |
2741 | state = FINISH; | |
2742 | break; | |
2743 | ||
2744 | case FINISH: | |
2745 | /* All done. If we were outputting a string of SINGLE | |
2746 | characters, the string must be terminated. Otherwise, | |
2747 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2748 | if (last == SINGLE) | |
e93a8774 | 2749 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2750 | |
2751 | return; | |
2752 | } | |
2753 | ||
2754 | /* Get the next element and state. */ | |
2755 | last = state; | |
2756 | if (state != FINISH) | |
2757 | { | |
2758 | elem = VEC_index (converted_character_d, chars, idx++); | |
2759 | switch (elem->result) | |
2760 | { | |
2761 | case wchar_iterate_ok: | |
2762 | case wchar_iterate_invalid: | |
2763 | if (elem->repeat_count > options->repeat_count_threshold) | |
2764 | state = REPEAT; | |
2765 | else | |
2766 | state = SINGLE; | |
2767 | break; | |
2768 | ||
2769 | case wchar_iterate_incomplete: | |
2770 | state = INCOMPLETE; | |
2771 | break; | |
2772 | ||
2773 | case wchar_iterate_eof: | |
2774 | state = FINISH; | |
2775 | break; | |
2776 | } | |
2777 | } | |
2778 | } | |
2779 | } | |
2780 | ||
3b2b8fea TT |
2781 | /* Print the character string STRING, printing at most LENGTH |
2782 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2783 | the type of each character. OPTIONS holds the printing options; | |
2784 | printing stops early if the number hits print_max; repeat counts | |
2785 | are printed as appropriate. Print ellipses at the end if we had to | |
2786 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2787 | QUOTE_CHAR is the character to print at each end of the string. If | |
2788 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2789 | omitted. */ | |
2790 | ||
2791 | void | |
2792 | generic_printstr (struct ui_file *stream, struct type *type, | |
2793 | const gdb_byte *string, unsigned int length, | |
2794 | const char *encoding, int force_ellipses, | |
2795 | int quote_char, int c_style_terminator, | |
2796 | const struct value_print_options *options) | |
2797 | { | |
2798 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
2799 | unsigned int i; | |
3b2b8fea | 2800 | int width = TYPE_LENGTH (type); |
3b2b8fea | 2801 | struct cleanup *cleanup; |
3b2b8fea | 2802 | int finished = 0; |
0d63ecda KS |
2803 | struct converted_character *last; |
2804 | VEC (converted_character_d) *converted_chars; | |
3b2b8fea TT |
2805 | |
2806 | if (length == -1) | |
2807 | { | |
2808 | unsigned long current_char = 1; | |
2809 | ||
2810 | for (i = 0; current_char; ++i) | |
2811 | { | |
2812 | QUIT; | |
2813 | current_char = extract_unsigned_integer (string + i * width, | |
2814 | width, byte_order); | |
2815 | } | |
2816 | length = i; | |
2817 | } | |
2818 | ||
2819 | /* If the string was not truncated due to `set print elements', and | |
2820 | the last byte of it is a null, we don't print that, in | |
2821 | traditional C style. */ | |
2822 | if (c_style_terminator | |
2823 | && !force_ellipses | |
2824 | && length > 0 | |
2825 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2826 | width, byte_order) == 0)) | |
2827 | length--; | |
2828 | ||
2829 | if (length == 0) | |
2830 | { | |
2831 | fputs_filtered ("\"\"", stream); | |
2832 | return; | |
2833 | } | |
2834 | ||
2835 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2836 | wchar_iterator iter (string, length * width, encoding, width); |
0d63ecda | 2837 | converted_chars = NULL; |
cda6c55b TT |
2838 | cleanup = make_cleanup (VEC_cleanup (converted_character_d), |
2839 | &converted_chars); | |
3b2b8fea | 2840 | |
0d63ecda KS |
2841 | /* Convert characters until the string is over or the maximum |
2842 | number of printed characters has been reached. */ | |
2843 | i = 0; | |
2844 | while (i < options->print_max) | |
3b2b8fea | 2845 | { |
0d63ecda | 2846 | int r; |
3b2b8fea TT |
2847 | |
2848 | QUIT; | |
2849 | ||
0d63ecda | 2850 | /* Grab the next character and repeat count. */ |
cda6c55b | 2851 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2852 | |
0d63ecda KS |
2853 | /* If less than zero, the end of the input string was reached. */ |
2854 | if (r < 0) | |
2855 | break; | |
3b2b8fea | 2856 | |
0d63ecda KS |
2857 | /* Otherwise, add the count to the total print count and get |
2858 | the next character. */ | |
2859 | i += r; | |
2860 | } | |
3b2b8fea | 2861 | |
0d63ecda KS |
2862 | /* Get the last element and determine if the entire string was |
2863 | processed. */ | |
2864 | last = VEC_last (converted_character_d, converted_chars); | |
2865 | finished = (last->result == wchar_iterate_eof); | |
3b2b8fea | 2866 | |
0d63ecda KS |
2867 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2868 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2869 | |
0d63ecda KS |
2870 | /* WCHAR_BUF is the obstack we use to represent the string in |
2871 | wchar_t form. */ | |
8268c778 | 2872 | auto_obstack wchar_buf; |
3b2b8fea | 2873 | |
0d63ecda KS |
2874 | /* Print the output string to the obstack. */ |
2875 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2876 | width, byte_order, options); | |
3b2b8fea TT |
2877 | |
2878 | if (force_ellipses || !finished) | |
2879 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2880 | ||
2881 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2882 | auto_obstack output; |
3b2b8fea TT |
2883 | |
2884 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2885 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2886 | obstack_object_size (&wchar_buf), |
fff10684 | 2887 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2888 | obstack_1grow (&output, '\0'); |
2889 | ||
79f33898 | 2890 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2891 | |
2892 | do_cleanups (cleanup); | |
2893 | } | |
2894 | ||
ae6a3a4c TJB |
2895 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2896 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2897 | stops at the first null byte, otherwise printing proceeds (including null | |
2898 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2899 | whichever is smaller. ENCODING is the name of the string's |
2900 | encoding. It can be NULL, in which case the target encoding is | |
2901 | assumed. */ | |
ae6a3a4c TJB |
2902 | |
2903 | int | |
09ca9e2e TT |
2904 | val_print_string (struct type *elttype, const char *encoding, |
2905 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2906 | struct ui_file *stream, |
ae6a3a4c TJB |
2907 | const struct value_print_options *options) |
2908 | { | |
2909 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2910 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2911 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2912 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2913 | int bytes_read; | |
2914 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
2915 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 2916 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 2917 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 2918 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2919 | |
2920 | /* First we need to figure out the limit on the number of characters we are | |
2921 | going to attempt to fetch and print. This is actually pretty simple. If | |
2922 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2923 | LEN is -1, then the limit is print_max. This is true regardless of | |
2924 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2925 | because finding the null byte (or available memory) is what actually | |
2926 | limits the fetch. */ | |
2927 | ||
325fac50 PA |
2928 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2929 | options->print_max)); | |
ae6a3a4c | 2930 | |
d09f2c3f PA |
2931 | err = read_string (addr, len, width, fetchlimit, byte_order, |
2932 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2933 | old_chain = make_cleanup (xfree, buffer); |
2934 | ||
2935 | addr += bytes_read; | |
c906108c | 2936 | |
3e43a32a MS |
2937 | /* We now have either successfully filled the buffer to fetchlimit, |
2938 | or terminated early due to an error or finding a null char when | |
2939 | LEN is -1. */ | |
ae6a3a4c TJB |
2940 | |
2941 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2942 | found_nul = 0; |
2943 | if (bytes_read >= width) | |
2944 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, | |
2945 | byte_order) == 0; | |
c906108c SS |
2946 | if (len == -1 && !found_nul) |
2947 | { | |
777ea8f1 | 2948 | gdb_byte *peekbuf; |
c906108c | 2949 | |
ae6a3a4c | 2950 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2951 | to peek at the next character. If not successful, or it is not |
2952 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2953 | |
777ea8f1 | 2954 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2955 | |
2956 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2957 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2958 | force_ellipsis = 1; |
2959 | } | |
d09f2c3f | 2960 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2961 | { |
2962 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2963 | than the number of characters actually requested, always make us |
ae6a3a4c | 2964 | print ellipsis. */ |
c906108c SS |
2965 | force_ellipsis = 1; |
2966 | } | |
2967 | ||
c906108c SS |
2968 | /* If we get an error before fetching anything, don't print a string. |
2969 | But if we fetch something and then get an error, print the string | |
2970 | and then the error message. */ | |
d09f2c3f | 2971 | if (err == 0 || bytes_read > 0) |
c906108c | 2972 | { |
be759fcf | 2973 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 2974 | encoding, force_ellipsis, options); |
c906108c SS |
2975 | } |
2976 | ||
d09f2c3f | 2977 | if (err != 0) |
c906108c | 2978 | { |
1ccbe998 | 2979 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 PA |
2980 | |
2981 | fprintf_filtered (stream, "<error: "); | |
1ccbe998 | 2982 | fputs_filtered (str.c_str (), stream); |
578d3588 | 2983 | fprintf_filtered (stream, ">"); |
c906108c | 2984 | } |
ae6a3a4c | 2985 | |
c906108c SS |
2986 | gdb_flush (stream); |
2987 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
2988 | |
2989 | return (bytes_read / width); | |
c906108c | 2990 | } |
c906108c | 2991 | \f |
c5aa993b | 2992 | |
09e6485f PA |
2993 | /* The 'set input-radix' command writes to this auxiliary variable. |
2994 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2995 | it is left unchanged. */ | |
2996 | ||
2997 | static unsigned input_radix_1 = 10; | |
2998 | ||
c906108c SS |
2999 | /* Validate an input or output radix setting, and make sure the user |
3000 | knows what they really did here. Radix setting is confusing, e.g. | |
3001 | setting the input radix to "10" never changes it! */ | |
3002 | ||
c906108c | 3003 | static void |
fba45db2 | 3004 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 3005 | { |
09e6485f | 3006 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
3007 | } |
3008 | ||
c906108c | 3009 | static void |
fba45db2 | 3010 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
3011 | { |
3012 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
3013 | make any mathematical sense. In theory, we can deal with any input | |
3014 | radix greater than 1, even if we don't have unique digits for every | |
3015 | value from 0 to radix-1, but in practice we lose on large radix values. | |
3016 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 3017 | (FIXME). */ |
c906108c SS |
3018 | |
3019 | if (radix < 2) | |
3020 | { | |
09e6485f | 3021 | input_radix_1 = input_radix; |
8a3fe4f8 | 3022 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
3023 | radix); |
3024 | } | |
09e6485f | 3025 | input_radix_1 = input_radix = radix; |
c906108c SS |
3026 | if (from_tty) |
3027 | { | |
3e43a32a MS |
3028 | printf_filtered (_("Input radix now set to " |
3029 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3030 | radix, radix, radix); |
3031 | } | |
3032 | } | |
3033 | ||
09e6485f PA |
3034 | /* The 'set output-radix' command writes to this auxiliary variable. |
3035 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
3036 | otherwise, it is left unchanged. */ | |
3037 | ||
3038 | static unsigned output_radix_1 = 10; | |
3039 | ||
c906108c | 3040 | static void |
fba45db2 | 3041 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 3042 | { |
09e6485f | 3043 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
3044 | } |
3045 | ||
3046 | static void | |
fba45db2 | 3047 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
3048 | { |
3049 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 3050 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
3051 | switch (radix) |
3052 | { | |
3053 | case 16: | |
79a45b7d | 3054 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
3055 | break; |
3056 | case 10: | |
79a45b7d | 3057 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
3058 | break; |
3059 | case 8: | |
79a45b7d | 3060 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
3061 | break; |
3062 | default: | |
09e6485f | 3063 | output_radix_1 = output_radix; |
3e43a32a MS |
3064 | error (_("Unsupported output radix ``decimal %u''; " |
3065 | "output radix unchanged."), | |
c906108c SS |
3066 | radix); |
3067 | } | |
09e6485f | 3068 | output_radix_1 = output_radix = radix; |
c906108c SS |
3069 | if (from_tty) |
3070 | { | |
3e43a32a MS |
3071 | printf_filtered (_("Output radix now set to " |
3072 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3073 | radix, radix, radix); |
3074 | } | |
3075 | } | |
3076 | ||
3077 | /* Set both the input and output radix at once. Try to set the output radix | |
3078 | first, since it has the most restrictive range. An radix that is valid as | |
3079 | an output radix is also valid as an input radix. | |
3080 | ||
3081 | It may be useful to have an unusual input radix. If the user wishes to | |
3082 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 3083 | the 'set input-radix' command. */ |
c906108c SS |
3084 | |
3085 | static void | |
b0a8e6c4 | 3086 | set_radix (const char *arg, int from_tty) |
c906108c SS |
3087 | { |
3088 | unsigned radix; | |
3089 | ||
bb518678 | 3090 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
3091 | set_output_radix_1 (0, radix); |
3092 | set_input_radix_1 (0, radix); | |
3093 | if (from_tty) | |
3094 | { | |
3e43a32a MS |
3095 | printf_filtered (_("Input and output radices now set to " |
3096 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3097 | radix, radix, radix); |
3098 | } | |
3099 | } | |
3100 | ||
581e13c1 | 3101 | /* Show both the input and output radices. */ |
c906108c | 3102 | |
c906108c | 3103 | static void |
b0a8e6c4 | 3104 | show_radix (const char *arg, int from_tty) |
c906108c SS |
3105 | { |
3106 | if (from_tty) | |
3107 | { | |
3108 | if (input_radix == output_radix) | |
3109 | { | |
3e43a32a MS |
3110 | printf_filtered (_("Input and output radices set to " |
3111 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
3112 | input_radix, input_radix, input_radix); |
3113 | } | |
3114 | else | |
3115 | { | |
3e43a32a MS |
3116 | printf_filtered (_("Input radix set to decimal " |
3117 | "%u, hex %x, octal %o.\n"), | |
c906108c | 3118 | input_radix, input_radix, input_radix); |
3e43a32a MS |
3119 | printf_filtered (_("Output radix set to decimal " |
3120 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
3121 | output_radix, output_radix, output_radix); |
3122 | } | |
3123 | } | |
3124 | } | |
c906108c | 3125 | \f |
c5aa993b | 3126 | |
c906108c | 3127 | static void |
981a3fb3 | 3128 | set_print (const char *arg, int from_tty) |
c906108c SS |
3129 | { |
3130 | printf_unfiltered ( | |
c5aa993b | 3131 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
635c7e8a | 3132 | help_list (setprintlist, "set print ", all_commands, gdb_stdout); |
c906108c SS |
3133 | } |
3134 | ||
c906108c | 3135 | static void |
981a3fb3 | 3136 | show_print (const char *args, int from_tty) |
c906108c SS |
3137 | { |
3138 | cmd_show_list (showprintlist, from_tty, ""); | |
3139 | } | |
e7045703 DE |
3140 | |
3141 | static void | |
981a3fb3 | 3142 | set_print_raw (const char *arg, int from_tty) |
e7045703 DE |
3143 | { |
3144 | printf_unfiltered ( | |
3145 | "\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n"); | |
635c7e8a | 3146 | help_list (setprintrawlist, "set print raw ", all_commands, gdb_stdout); |
e7045703 DE |
3147 | } |
3148 | ||
3149 | static void | |
981a3fb3 | 3150 | show_print_raw (const char *args, int from_tty) |
e7045703 DE |
3151 | { |
3152 | cmd_show_list (showprintrawlist, from_tty, ""); | |
3153 | } | |
3154 | ||
c906108c SS |
3155 | \f |
3156 | void | |
fba45db2 | 3157 | _initialize_valprint (void) |
c906108c | 3158 | { |
c906108c | 3159 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 3160 | _("Generic command for setting how things print."), |
c906108c | 3161 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 3162 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3163 | /* Prefer set print to set prompt. */ |
c906108c SS |
3164 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3165 | ||
3166 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 3167 | _("Generic command for showing print settings."), |
c906108c | 3168 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
3169 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3170 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3171 | |
e7045703 DE |
3172 | add_prefix_cmd ("raw", no_class, set_print_raw, |
3173 | _("\ | |
3174 | Generic command for setting what things to print in \"raw\" mode."), | |
3175 | &setprintrawlist, "set print raw ", 0, &setprintlist); | |
3176 | add_prefix_cmd ("raw", no_class, show_print_raw, | |
3177 | _("Generic command for showing \"print raw\" settings."), | |
3178 | &showprintrawlist, "show print raw ", 0, &showprintlist); | |
3179 | ||
79a45b7d TT |
3180 | add_setshow_uinteger_cmd ("elements", no_class, |
3181 | &user_print_options.print_max, _("\ | |
35096d9d AC |
3182 | Set limit on string chars or array elements to print."), _("\ |
3183 | Show limit on string chars or array elements to print."), _("\ | |
f81d1120 | 3184 | \"set print elements unlimited\" causes there to be no limit."), |
35096d9d | 3185 | NULL, |
920d2a44 | 3186 | show_print_max, |
35096d9d | 3187 | &setprintlist, &showprintlist); |
c906108c | 3188 | |
79a45b7d TT |
3189 | add_setshow_boolean_cmd ("null-stop", no_class, |
3190 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
3191 | Set printing of char arrays to stop at first null char."), _("\ |
3192 | Show printing of char arrays to stop at first null char."), NULL, | |
3193 | NULL, | |
920d2a44 | 3194 | show_stop_print_at_null, |
5bf193a2 | 3195 | &setprintlist, &showprintlist); |
c906108c | 3196 | |
35096d9d | 3197 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 3198 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
3199 | Set threshold for repeated print elements."), _("\ |
3200 | Show threshold for repeated print elements."), _("\ | |
f81d1120 | 3201 | \"set print repeats unlimited\" causes all elements to be individually printed."), |
35096d9d | 3202 | NULL, |
920d2a44 | 3203 | show_repeat_count_threshold, |
35096d9d | 3204 | &setprintlist, &showprintlist); |
c906108c | 3205 | |
79a45b7d | 3206 | add_setshow_boolean_cmd ("pretty", class_support, |
2a998fc0 DE |
3207 | &user_print_options.prettyformat_structs, _("\ |
3208 | Set pretty formatting of structures."), _("\ | |
3209 | Show pretty formatting of structures."), NULL, | |
5bf193a2 | 3210 | NULL, |
2a998fc0 | 3211 | show_prettyformat_structs, |
5bf193a2 AC |
3212 | &setprintlist, &showprintlist); |
3213 | ||
79a45b7d TT |
3214 | add_setshow_boolean_cmd ("union", class_support, |
3215 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
3216 | Set printing of unions interior to structures."), _("\ |
3217 | Show printing of unions interior to structures."), NULL, | |
3218 | NULL, | |
920d2a44 | 3219 | show_unionprint, |
5bf193a2 AC |
3220 | &setprintlist, &showprintlist); |
3221 | ||
79a45b7d | 3222 | add_setshow_boolean_cmd ("array", class_support, |
2a998fc0 DE |
3223 | &user_print_options.prettyformat_arrays, _("\ |
3224 | Set pretty formatting of arrays."), _("\ | |
3225 | Show pretty formatting of arrays."), NULL, | |
5bf193a2 | 3226 | NULL, |
2a998fc0 | 3227 | show_prettyformat_arrays, |
5bf193a2 AC |
3228 | &setprintlist, &showprintlist); |
3229 | ||
79a45b7d TT |
3230 | add_setshow_boolean_cmd ("address", class_support, |
3231 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
3232 | Set printing of addresses."), _("\ |
3233 | Show printing of addresses."), NULL, | |
3234 | NULL, | |
920d2a44 | 3235 | show_addressprint, |
5bf193a2 | 3236 | &setprintlist, &showprintlist); |
c906108c | 3237 | |
9cb709b6 TT |
3238 | add_setshow_boolean_cmd ("symbol", class_support, |
3239 | &user_print_options.symbol_print, _("\ | |
3240 | Set printing of symbol names when printing pointers."), _("\ | |
3241 | Show printing of symbol names when printing pointers."), | |
3242 | NULL, NULL, | |
3243 | show_symbol_print, | |
3244 | &setprintlist, &showprintlist); | |
3245 | ||
1e8fb976 PA |
3246 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3247 | _("\ | |
35096d9d AC |
3248 | Set default input radix for entering numbers."), _("\ |
3249 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3250 | set_input_radix, |
3251 | show_input_radix, | |
3252 | &setlist, &showlist); | |
35096d9d | 3253 | |
1e8fb976 PA |
3254 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3255 | _("\ | |
35096d9d AC |
3256 | Set default output radix for printing of values."), _("\ |
3257 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3258 | set_output_radix, |
3259 | show_output_radix, | |
3260 | &setlist, &showlist); | |
c906108c | 3261 | |
cb1a6d5f AC |
3262 | /* The "set radix" and "show radix" commands are special in that |
3263 | they are like normal set and show commands but allow two normally | |
3264 | independent variables to be either set or shown with a single | |
b66df561 | 3265 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3266 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3267 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3268 | longer true - show can display anything. */ | |
1a966eab AC |
3269 | add_cmd ("radix", class_support, set_radix, _("\ |
3270 | Set default input and output number radices.\n\ | |
c906108c | 3271 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3272 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3273 | &setlist); |
1a966eab AC |
3274 | add_cmd ("radix", class_support, show_radix, _("\ |
3275 | Show the default input and output number radices.\n\ | |
3276 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
3277 | &showlist); |
3278 | ||
e79af960 | 3279 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 3280 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
3281 | Set printing of array indexes."), _("\ |
3282 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
3283 | &setprintlist, &showprintlist); | |
c906108c | 3284 | } |