Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
32d0add0 | 3 | Copyright (C) 1986-2015 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" | |
37 | #include <ctype.h> | |
c906108c | 38 | |
0d63ecda KS |
39 | /* Maximum number of wchars returned from wchar_iterate. */ |
40 | #define MAX_WCHARS 4 | |
41 | ||
42 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
43 | characters. */ | |
44 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
45 | ||
46 | /* Character buffer size saved while iterating over wchars. */ | |
47 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
48 | ||
49 | /* A structure to encapsulate state information from iterated | |
50 | character conversions. */ | |
51 | struct converted_character | |
52 | { | |
53 | /* The number of characters converted. */ | |
54 | int num_chars; | |
55 | ||
56 | /* The result of the conversion. See charset.h for more. */ | |
57 | enum wchar_iterate_result result; | |
58 | ||
59 | /* The (saved) converted character(s). */ | |
60 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
61 | ||
62 | /* The first converted target byte. */ | |
63 | const gdb_byte *buf; | |
64 | ||
65 | /* The number of bytes converted. */ | |
66 | size_t buflen; | |
67 | ||
68 | /* How many times this character(s) is repeated. */ | |
69 | int repeat_count; | |
70 | }; | |
71 | ||
72 | typedef struct converted_character converted_character_d; | |
73 | DEF_VEC_O (converted_character_d); | |
74 | ||
e7045703 DE |
75 | /* Command lists for set/show print raw. */ |
76 | struct cmd_list_element *setprintrawlist; | |
77 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 78 | |
c906108c SS |
79 | /* Prototypes for local functions */ |
80 | ||
777ea8f1 | 81 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 82 | int len, int *errptr); |
917317f4 | 83 | |
a14ed312 | 84 | static void show_print (char *, int); |
c906108c | 85 | |
a14ed312 | 86 | static void set_print (char *, int); |
c906108c | 87 | |
a14ed312 | 88 | static void set_radix (char *, int); |
c906108c | 89 | |
a14ed312 | 90 | static void show_radix (char *, int); |
c906108c | 91 | |
a14ed312 | 92 | static void set_input_radix (char *, int, struct cmd_list_element *); |
c906108c | 93 | |
a14ed312 | 94 | static void set_input_radix_1 (int, unsigned); |
c906108c | 95 | |
a14ed312 | 96 | static void set_output_radix (char *, int, struct cmd_list_element *); |
c906108c | 97 | |
a14ed312 | 98 | static void set_output_radix_1 (int, unsigned); |
c906108c | 99 | |
a14ed312 | 100 | void _initialize_valprint (void); |
c906108c | 101 | |
581e13c1 | 102 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
79a45b7d TT |
103 | |
104 | struct value_print_options user_print_options = | |
105 | { | |
2a998fc0 DE |
106 | Val_prettyformat_default, /* prettyformat */ |
107 | 0, /* prettyformat_arrays */ | |
108 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
109 | 0, /* vtblprint */ |
110 | 1, /* unionprint */ | |
111 | 1, /* addressprint */ | |
112 | 0, /* objectprint */ | |
113 | PRINT_MAX_DEFAULT, /* print_max */ | |
114 | 10, /* repeat_count_threshold */ | |
115 | 0, /* output_format */ | |
116 | 0, /* format */ | |
117 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
118 | 0, /* print_array_indexes */ |
119 | 0, /* deref_ref */ | |
120 | 1, /* static_field_print */ | |
a6bac58e TT |
121 | 1, /* pascal_static_field_print */ |
122 | 0, /* raw */ | |
9cb709b6 TT |
123 | 0, /* summary */ |
124 | 1 /* symbol_print */ | |
79a45b7d TT |
125 | }; |
126 | ||
127 | /* Initialize *OPTS to be a copy of the user print options. */ | |
128 | void | |
129 | get_user_print_options (struct value_print_options *opts) | |
130 | { | |
131 | *opts = user_print_options; | |
132 | } | |
133 | ||
134 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 135 | pretty-formatting disabled. */ |
79a45b7d | 136 | void |
2a998fc0 | 137 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
138 | { |
139 | *opts = user_print_options; | |
2a998fc0 | 140 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
141 | } |
142 | ||
143 | /* Initialize *OPTS to be a copy of the user print options, but using | |
144 | FORMAT as the formatting option. */ | |
145 | void | |
146 | get_formatted_print_options (struct value_print_options *opts, | |
147 | char format) | |
148 | { | |
149 | *opts = user_print_options; | |
150 | opts->format = format; | |
151 | } | |
152 | ||
920d2a44 AC |
153 | static void |
154 | show_print_max (struct ui_file *file, int from_tty, | |
155 | struct cmd_list_element *c, const char *value) | |
156 | { | |
3e43a32a MS |
157 | fprintf_filtered (file, |
158 | _("Limit on string chars or array " | |
159 | "elements to print is %s.\n"), | |
920d2a44 AC |
160 | value); |
161 | } | |
162 | ||
c906108c SS |
163 | |
164 | /* Default input and output radixes, and output format letter. */ | |
165 | ||
166 | unsigned input_radix = 10; | |
920d2a44 AC |
167 | static void |
168 | show_input_radix (struct ui_file *file, int from_tty, | |
169 | struct cmd_list_element *c, const char *value) | |
170 | { | |
3e43a32a MS |
171 | fprintf_filtered (file, |
172 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
173 | value); |
174 | } | |
175 | ||
c906108c | 176 | unsigned output_radix = 10; |
920d2a44 AC |
177 | static void |
178 | show_output_radix (struct ui_file *file, int from_tty, | |
179 | struct cmd_list_element *c, const char *value) | |
180 | { | |
3e43a32a MS |
181 | fprintf_filtered (file, |
182 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
183 | value); |
184 | } | |
c906108c | 185 | |
e79af960 JB |
186 | /* By default we print arrays without printing the index of each element in |
187 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
188 | ||
e79af960 JB |
189 | static void |
190 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
191 | struct cmd_list_element *c, const char *value) | |
192 | { | |
193 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
194 | } | |
195 | ||
c906108c SS |
196 | /* Print repeat counts if there are more than this many repetitions of an |
197 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 198 | print routines. */ |
c906108c | 199 | |
920d2a44 AC |
200 | static void |
201 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
202 | struct cmd_list_element *c, const char *value) | |
203 | { | |
204 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
205 | value); | |
206 | } | |
c906108c | 207 | |
581e13c1 | 208 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 209 | |
920d2a44 AC |
210 | static void |
211 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
212 | struct cmd_list_element *c, const char *value) | |
213 | { | |
3e43a32a MS |
214 | fprintf_filtered (file, |
215 | _("Printing of char arrays to stop " | |
216 | "at first null char is %s.\n"), | |
920d2a44 AC |
217 | value); |
218 | } | |
c906108c | 219 | |
581e13c1 | 220 | /* Controls pretty printing of structures. */ |
c906108c | 221 | |
920d2a44 | 222 | static void |
2a998fc0 | 223 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
224 | struct cmd_list_element *c, const char *value) |
225 | { | |
2a998fc0 | 226 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 227 | } |
c906108c SS |
228 | |
229 | /* Controls pretty printing of arrays. */ | |
230 | ||
920d2a44 | 231 | static void |
2a998fc0 | 232 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
233 | struct cmd_list_element *c, const char *value) |
234 | { | |
2a998fc0 | 235 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 236 | } |
c906108c SS |
237 | |
238 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 239 | printed. */ |
c906108c | 240 | |
920d2a44 AC |
241 | static void |
242 | show_unionprint (struct ui_file *file, int from_tty, | |
243 | struct cmd_list_element *c, const char *value) | |
244 | { | |
3e43a32a MS |
245 | fprintf_filtered (file, |
246 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
247 | value); |
248 | } | |
c906108c | 249 | |
581e13c1 | 250 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 251 | |
920d2a44 AC |
252 | static void |
253 | show_addressprint (struct ui_file *file, int from_tty, | |
254 | struct cmd_list_element *c, const char *value) | |
255 | { | |
256 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
257 | } | |
9cb709b6 TT |
258 | |
259 | static void | |
260 | show_symbol_print (struct ui_file *file, int from_tty, | |
261 | struct cmd_list_element *c, const char *value) | |
262 | { | |
263 | fprintf_filtered (file, | |
264 | _("Printing of symbols when printing pointers is %s.\n"), | |
265 | value); | |
266 | } | |
267 | ||
c906108c | 268 | \f |
c5aa993b | 269 | |
a6bac58e TT |
270 | /* A helper function for val_print. When printing in "summary" mode, |
271 | we want to print scalar arguments, but not aggregate arguments. | |
272 | This function distinguishes between the two. */ | |
273 | ||
6211c335 YQ |
274 | int |
275 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 276 | { |
f168693b | 277 | type = check_typedef (type); |
a6bac58e TT |
278 | while (TYPE_CODE (type) == TYPE_CODE_REF) |
279 | { | |
280 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 281 | type = check_typedef (type); |
a6bac58e TT |
282 | } |
283 | switch (TYPE_CODE (type)) | |
284 | { | |
285 | case TYPE_CODE_ARRAY: | |
286 | case TYPE_CODE_STRUCT: | |
287 | case TYPE_CODE_UNION: | |
288 | case TYPE_CODE_SET: | |
289 | case TYPE_CODE_STRING: | |
a6bac58e TT |
290 | return 0; |
291 | default: | |
292 | return 1; | |
293 | } | |
294 | } | |
295 | ||
a72c8f6a | 296 | /* See its definition in value.h. */ |
0e03807e | 297 | |
a72c8f6a | 298 | int |
0e03807e TT |
299 | valprint_check_validity (struct ui_file *stream, |
300 | struct type *type, | |
4e07d55f | 301 | int embedded_offset, |
0e03807e TT |
302 | const struct value *val) |
303 | { | |
f168693b | 304 | type = check_typedef (type); |
0e03807e TT |
305 | |
306 | if (TYPE_CODE (type) != TYPE_CODE_UNION | |
307 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
308 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
309 | { | |
9a0dc9e3 PA |
310 | if (value_bits_any_optimized_out (val, |
311 | TARGET_CHAR_BIT * embedded_offset, | |
312 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 313 | { |
901461f8 | 314 | val_print_optimized_out (val, stream); |
0e03807e TT |
315 | return 0; |
316 | } | |
8cf6f0b1 | 317 | |
4e07d55f | 318 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
319 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
320 | { | |
321 | fputs_filtered (_("<synthetic pointer>"), stream); | |
322 | return 0; | |
323 | } | |
4e07d55f PA |
324 | |
325 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
326 | { | |
327 | val_print_unavailable (stream); | |
328 | return 0; | |
329 | } | |
0e03807e TT |
330 | } |
331 | ||
332 | return 1; | |
333 | } | |
334 | ||
585fdaa1 | 335 | void |
901461f8 | 336 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 337 | { |
901461f8 | 338 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 339 | val_print_not_saved (stream); |
901461f8 PA |
340 | else |
341 | fprintf_filtered (stream, _("<optimized out>")); | |
585fdaa1 PA |
342 | } |
343 | ||
782d47df PA |
344 | void |
345 | val_print_not_saved (struct ui_file *stream) | |
346 | { | |
347 | fprintf_filtered (stream, _("<not saved>")); | |
348 | } | |
349 | ||
4e07d55f PA |
350 | void |
351 | val_print_unavailable (struct ui_file *stream) | |
352 | { | |
353 | fprintf_filtered (stream, _("<unavailable>")); | |
354 | } | |
355 | ||
8af8e3bc PA |
356 | void |
357 | val_print_invalid_address (struct ui_file *stream) | |
358 | { | |
359 | fprintf_filtered (stream, _("<invalid address>")); | |
360 | } | |
361 | ||
9f436164 SM |
362 | /* Print a pointer based on the type of its target. |
363 | ||
364 | Arguments to this functions are roughly the same as those in | |
365 | generic_val_print. A difference is that ADDRESS is the address to print, | |
366 | with embedded_offset already added. ELTTYPE represents | |
367 | the pointed type after check_typedef. */ | |
368 | ||
369 | static void | |
370 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
371 | CORE_ADDR address, struct ui_file *stream, | |
372 | const struct value_print_options *options) | |
373 | { | |
374 | struct gdbarch *gdbarch = get_type_arch (type); | |
375 | ||
376 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
377 | { | |
378 | /* Try to print what function it points to. */ | |
379 | print_function_pointer_address (options, gdbarch, address, stream); | |
380 | return; | |
381 | } | |
382 | ||
383 | if (options->symbol_print) | |
384 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
385 | else if (options->addressprint) | |
386 | fputs_filtered (paddress (gdbarch, address), stream); | |
387 | } | |
388 | ||
557dbe8a SM |
389 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
390 | ||
391 | static void | |
392 | generic_val_print_array (struct type *type, const gdb_byte *valaddr, | |
393 | int embedded_offset, CORE_ADDR address, | |
394 | struct ui_file *stream, int recurse, | |
395 | const struct value *original_value, | |
396 | const struct value_print_options *options) | |
397 | { | |
398 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); | |
399 | struct type *elttype = check_typedef (unresolved_elttype); | |
400 | ||
401 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
402 | { | |
403 | LONGEST low_bound, high_bound; | |
404 | ||
405 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
406 | error (_("Could not determine the array high bound")); | |
407 | ||
408 | if (options->prettyformat_arrays) | |
409 | { | |
410 | print_spaces_filtered (2 + 2 * recurse, stream); | |
411 | } | |
412 | ||
413 | fprintf_filtered (stream, "{"); | |
414 | val_print_array_elements (type, valaddr, embedded_offset, | |
415 | address, stream, | |
416 | recurse, original_value, options, 0); | |
417 | fprintf_filtered (stream, "}"); | |
418 | } | |
419 | else | |
420 | { | |
421 | /* Array of unspecified length: treat like pointer to first elt. */ | |
422 | print_unpacked_pointer (type, elttype, address + embedded_offset, stream, | |
423 | options); | |
424 | } | |
425 | ||
426 | } | |
427 | ||
81eb921a SM |
428 | /* generic_val_print helper for TYPE_CODE_PTR. */ |
429 | ||
430 | static void | |
431 | generic_val_print_ptr (struct type *type, const gdb_byte *valaddr, | |
432 | int embedded_offset, struct ui_file *stream, | |
433 | const struct value *original_value, | |
434 | const struct value_print_options *options) | |
435 | { | |
436 | if (options->format && options->format != 's') | |
437 | { | |
438 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
439 | original_value, options, 0, stream); | |
440 | } | |
441 | else | |
442 | { | |
443 | struct type *unresolved_elttype = TYPE_TARGET_TYPE(type); | |
444 | struct type *elttype = check_typedef (unresolved_elttype); | |
445 | CORE_ADDR addr = unpack_pointer (type, valaddr + embedded_offset); | |
446 | ||
447 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
448 | } | |
449 | } | |
450 | ||
45000ea2 SM |
451 | |
452 | /* generic_val_print helper for TYPE_CODE_MEMBERPTR. */ | |
453 | ||
454 | static void | |
455 | generic_val_print_memberptr (struct type *type, const gdb_byte *valaddr, | |
456 | int embedded_offset, struct ui_file *stream, | |
457 | const struct value *original_value, | |
458 | const struct value_print_options *options) | |
459 | { | |
460 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
461 | original_value, options, 0, stream); | |
462 | } | |
463 | ||
fe43fede SM |
464 | /* generic_val_print helper for TYPE_CODE_REF. */ |
465 | ||
466 | static void | |
467 | generic_val_print_ref (struct type *type, const gdb_byte *valaddr, | |
468 | int embedded_offset, struct ui_file *stream, int recurse, | |
469 | const struct value *original_value, | |
470 | const struct value_print_options *options) | |
471 | { | |
472 | struct gdbarch *gdbarch = get_type_arch (type); | |
473 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
474 | ||
475 | if (options->addressprint) | |
476 | { | |
477 | CORE_ADDR addr | |
478 | = extract_typed_address (valaddr + embedded_offset, type); | |
479 | ||
480 | fprintf_filtered (stream, "@"); | |
481 | fputs_filtered (paddress (gdbarch, addr), stream); | |
482 | if (options->deref_ref) | |
483 | fputs_filtered (": ", stream); | |
484 | } | |
485 | /* De-reference the reference. */ | |
486 | if (options->deref_ref) | |
487 | { | |
488 | if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) | |
489 | { | |
490 | struct value *deref_val; | |
491 | ||
492 | deref_val = coerce_ref_if_computed (original_value); | |
493 | if (deref_val != NULL) | |
494 | { | |
495 | /* More complicated computed references are not supported. */ | |
496 | gdb_assert (embedded_offset == 0); | |
497 | } | |
498 | else | |
499 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
500 | unpack_pointer (type, | |
501 | (valaddr | |
502 | + embedded_offset))); | |
503 | ||
504 | common_val_print (deref_val, stream, recurse, options, | |
505 | current_language); | |
506 | } | |
507 | else | |
508 | fputs_filtered ("???", stream); | |
509 | } | |
510 | } | |
511 | ||
ef0bc0dd SM |
512 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
513 | ||
514 | static void | |
515 | generic_val_print_enum (struct type *type, const gdb_byte *valaddr, | |
516 | int embedded_offset, struct ui_file *stream, | |
517 | const struct value *original_value, | |
518 | const struct value_print_options *options) | |
519 | { | |
520 | unsigned int i; | |
521 | unsigned int len; | |
522 | LONGEST val; | |
523 | ||
524 | if (options->format) | |
525 | { | |
526 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
527 | original_value, options, 0, stream); | |
528 | return; | |
529 | } | |
530 | len = TYPE_NFIELDS (type); | |
531 | val = unpack_long (type, valaddr + embedded_offset); | |
532 | for (i = 0; i < len; i++) | |
533 | { | |
534 | QUIT; | |
535 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
536 | { | |
537 | break; | |
538 | } | |
539 | } | |
540 | if (i < len) | |
541 | { | |
542 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
543 | } | |
544 | else if (TYPE_FLAG_ENUM (type)) | |
545 | { | |
546 | int first = 1; | |
547 | ||
548 | /* We have a "flag" enum, so we try to decompose it into | |
549 | pieces as appropriate. A flag enum has disjoint | |
550 | constants by definition. */ | |
551 | fputs_filtered ("(", stream); | |
552 | for (i = 0; i < len; ++i) | |
553 | { | |
554 | QUIT; | |
555 | ||
556 | if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0) | |
557 | { | |
558 | if (!first) | |
559 | fputs_filtered (" | ", stream); | |
560 | first = 0; | |
561 | ||
562 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
563 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
564 | } | |
565 | } | |
566 | ||
567 | if (first || val != 0) | |
568 | { | |
569 | if (!first) | |
570 | fputs_filtered (" | ", stream); | |
571 | fputs_filtered ("unknown: ", stream); | |
572 | print_longest (stream, 'd', 0, val); | |
573 | } | |
574 | ||
575 | fputs_filtered (")", stream); | |
576 | } | |
577 | else | |
578 | print_longest (stream, 'd', 0, val); | |
579 | } | |
580 | ||
d93880bd SM |
581 | /* generic_val_print helper for TYPE_CODE_FLAGS. */ |
582 | ||
583 | static void | |
584 | generic_val_print_flags (struct type *type, const gdb_byte *valaddr, | |
585 | int embedded_offset, struct ui_file *stream, | |
586 | const struct value *original_value, | |
587 | const struct value_print_options *options) | |
588 | ||
589 | { | |
590 | if (options->format) | |
591 | val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, | |
592 | options, 0, stream); | |
593 | else | |
594 | val_print_type_code_flags (type, valaddr + embedded_offset, stream); | |
595 | } | |
596 | ||
4a8c372f SM |
597 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
598 | ||
599 | static void | |
600 | generic_val_print_func (struct type *type, const gdb_byte *valaddr, | |
601 | int embedded_offset, CORE_ADDR address, | |
602 | struct ui_file *stream, | |
603 | const struct value *original_value, | |
604 | const struct value_print_options *options) | |
605 | { | |
606 | struct gdbarch *gdbarch = get_type_arch (type); | |
607 | ||
608 | if (options->format) | |
609 | { | |
610 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
611 | original_value, options, 0, stream); | |
612 | } | |
613 | else | |
614 | { | |
615 | /* FIXME, we should consider, at least for ANSI C language, | |
616 | eliminating the distinction made between FUNCs and POINTERs | |
617 | to FUNCs. */ | |
618 | fprintf_filtered (stream, "{"); | |
619 | type_print (type, "", stream, -1); | |
620 | fprintf_filtered (stream, "} "); | |
621 | /* Try to print what function it points to, and its address. */ | |
622 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
623 | } | |
624 | } | |
625 | ||
e88acd96 TT |
626 | /* A generic val_print that is suitable for use by language |
627 | implementations of the la_val_print method. This function can | |
628 | handle most type codes, though not all, notably exception | |
629 | TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by | |
630 | the caller. | |
631 | ||
632 | Most arguments are as to val_print. | |
633 | ||
634 | The additional DECORATIONS argument can be used to customize the | |
635 | output in some small, language-specific ways. */ | |
636 | ||
637 | void | |
638 | generic_val_print (struct type *type, const gdb_byte *valaddr, | |
639 | int embedded_offset, CORE_ADDR address, | |
640 | struct ui_file *stream, int recurse, | |
641 | const struct value *original_value, | |
642 | const struct value_print_options *options, | |
643 | const struct generic_val_print_decorations *decorations) | |
644 | { | |
e88acd96 | 645 | struct type *unresolved_type = type; |
e88acd96 | 646 | LONGEST val; |
e88acd96 | 647 | |
f168693b | 648 | type = check_typedef (type); |
e88acd96 TT |
649 | switch (TYPE_CODE (type)) |
650 | { | |
651 | case TYPE_CODE_ARRAY: | |
557dbe8a SM |
652 | generic_val_print_array (type, valaddr, embedded_offset, address, stream, |
653 | recurse, original_value, options); | |
9f436164 | 654 | break; |
e88acd96 TT |
655 | |
656 | case TYPE_CODE_MEMBERPTR: | |
45000ea2 SM |
657 | generic_val_print_memberptr (type, valaddr, embedded_offset, stream, |
658 | original_value, options); | |
e88acd96 TT |
659 | break; |
660 | ||
661 | case TYPE_CODE_PTR: | |
81eb921a SM |
662 | generic_val_print_ptr (type, valaddr, embedded_offset, stream, |
663 | original_value, options); | |
e88acd96 TT |
664 | break; |
665 | ||
666 | case TYPE_CODE_REF: | |
fe43fede SM |
667 | generic_val_print_ref (type, valaddr, embedded_offset, stream, recurse, |
668 | original_value, options); | |
e88acd96 TT |
669 | break; |
670 | ||
671 | case TYPE_CODE_ENUM: | |
ef0bc0dd SM |
672 | generic_val_print_enum (type, valaddr, embedded_offset, stream, |
673 | original_value, options); | |
e88acd96 TT |
674 | break; |
675 | ||
676 | case TYPE_CODE_FLAGS: | |
d93880bd SM |
677 | generic_val_print_flags (type, valaddr, embedded_offset, stream, |
678 | original_value, options); | |
e88acd96 TT |
679 | break; |
680 | ||
681 | case TYPE_CODE_FUNC: | |
682 | case TYPE_CODE_METHOD: | |
4a8c372f SM |
683 | generic_val_print_func (type, valaddr, embedded_offset, address, stream, |
684 | original_value, options); | |
e88acd96 TT |
685 | break; |
686 | ||
687 | case TYPE_CODE_BOOL: | |
688 | if (options->format || options->output_format) | |
689 | { | |
690 | struct value_print_options opts = *options; | |
691 | opts.format = (options->format ? options->format | |
692 | : options->output_format); | |
693 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
694 | original_value, &opts, 0, stream); | |
695 | } | |
696 | else | |
697 | { | |
698 | val = unpack_long (type, valaddr + embedded_offset); | |
699 | if (val == 0) | |
700 | fputs_filtered (decorations->false_name, stream); | |
701 | else if (val == 1) | |
702 | fputs_filtered (decorations->true_name, stream); | |
703 | else | |
704 | print_longest (stream, 'd', 0, val); | |
705 | } | |
706 | break; | |
707 | ||
708 | case TYPE_CODE_RANGE: | |
0c9c3474 | 709 | /* FIXME: create_static_range_type does not set the unsigned bit in a |
e88acd96 TT |
710 | range type (I think it probably should copy it from the |
711 | target type), so we won't print values which are too large to | |
712 | fit in a signed integer correctly. */ | |
713 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
714 | print with the target type, though, because the size of our | |
715 | type and the target type might differ). */ | |
716 | ||
717 | /* FALLTHROUGH */ | |
718 | ||
719 | case TYPE_CODE_INT: | |
720 | if (options->format || options->output_format) | |
721 | { | |
722 | struct value_print_options opts = *options; | |
723 | ||
724 | opts.format = (options->format ? options->format | |
725 | : options->output_format); | |
726 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
727 | original_value, &opts, 0, stream); | |
728 | } | |
729 | else | |
730 | val_print_type_code_int (type, valaddr + embedded_offset, stream); | |
731 | break; | |
732 | ||
733 | case TYPE_CODE_CHAR: | |
734 | if (options->format || options->output_format) | |
735 | { | |
736 | struct value_print_options opts = *options; | |
737 | ||
738 | opts.format = (options->format ? options->format | |
739 | : options->output_format); | |
740 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
741 | original_value, &opts, 0, stream); | |
742 | } | |
743 | else | |
744 | { | |
745 | val = unpack_long (type, valaddr + embedded_offset); | |
746 | if (TYPE_UNSIGNED (type)) | |
747 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
748 | else | |
749 | fprintf_filtered (stream, "%d", (int) val); | |
750 | fputs_filtered (" ", stream); | |
751 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
752 | } | |
753 | break; | |
754 | ||
755 | case TYPE_CODE_FLT: | |
756 | if (options->format) | |
757 | { | |
758 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
759 | original_value, options, 0, stream); | |
760 | } | |
761 | else | |
762 | { | |
763 | print_floating (valaddr + embedded_offset, type, stream); | |
764 | } | |
765 | break; | |
766 | ||
767 | case TYPE_CODE_DECFLOAT: | |
768 | if (options->format) | |
769 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
770 | original_value, options, 0, stream); | |
771 | else | |
772 | print_decimal_floating (valaddr + embedded_offset, | |
773 | type, stream); | |
774 | break; | |
775 | ||
776 | case TYPE_CODE_VOID: | |
777 | fputs_filtered (decorations->void_name, stream); | |
778 | break; | |
779 | ||
780 | case TYPE_CODE_ERROR: | |
781 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
782 | break; | |
783 | ||
784 | case TYPE_CODE_UNDEF: | |
785 | /* This happens (without TYPE_FLAG_STUB set) on systems which | |
786 | don't use dbx xrefs (NO_DBX_XREFS in gcc) if a file has a | |
787 | "struct foo *bar" and no complete type for struct foo in that | |
788 | file. */ | |
789 | fprintf_filtered (stream, _("<incomplete type>")); | |
790 | break; | |
791 | ||
792 | case TYPE_CODE_COMPLEX: | |
793 | fprintf_filtered (stream, "%s", decorations->complex_prefix); | |
794 | if (options->format) | |
795 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), | |
796 | valaddr, embedded_offset, | |
797 | original_value, options, 0, stream); | |
798 | else | |
799 | print_floating (valaddr + embedded_offset, | |
800 | TYPE_TARGET_TYPE (type), | |
801 | stream); | |
802 | fprintf_filtered (stream, "%s", decorations->complex_infix); | |
803 | if (options->format) | |
804 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), | |
805 | valaddr, | |
806 | embedded_offset | |
807 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
808 | original_value, | |
809 | options, 0, stream); | |
810 | else | |
811 | print_floating (valaddr + embedded_offset | |
812 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
813 | TYPE_TARGET_TYPE (type), | |
814 | stream); | |
815 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
816 | break; | |
817 | ||
818 | case TYPE_CODE_UNION: | |
819 | case TYPE_CODE_STRUCT: | |
820 | case TYPE_CODE_METHODPTR: | |
821 | default: | |
822 | error (_("Unhandled type code %d in symbol table."), | |
823 | TYPE_CODE (type)); | |
824 | } | |
825 | gdb_flush (stream); | |
826 | } | |
827 | ||
32b72a42 PA |
828 | /* Print using the given LANGUAGE the data of type TYPE located at |
829 | VALADDR + EMBEDDED_OFFSET (within GDB), which came from the | |
830 | inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream | |
831 | STREAM according to OPTIONS. VAL is the whole object that came | |
832 | from ADDRESS. VALADDR must point to the head of VAL's contents | |
833 | buffer. | |
834 | ||
835 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
836 | further helper subroutines as subfields of TYPE are printed. In | |
837 | such cases, VALADDR is passed down unadjusted, as well as VAL, so | |
838 | that VAL can be queried for metadata about the contents data being | |
839 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
840 | buffer. For example: "has this field been optimized out", or "I'm | |
841 | printing an object while inspecting a traceframe; has this | |
842 | particular piece of data been collected?". | |
843 | ||
844 | RECURSE indicates the amount of indentation to supply before | |
845 | continuation lines; this amount is roughly twice the value of | |
35c0084b | 846 | RECURSE. */ |
32b72a42 | 847 | |
35c0084b | 848 | void |
fc1a4b47 | 849 | val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 850 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 851 | const struct value *val, |
79a45b7d | 852 | const struct value_print_options *options, |
d8ca156b | 853 | const struct language_defn *language) |
c906108c | 854 | { |
19ca80ba | 855 | int ret = 0; |
79a45b7d | 856 | struct value_print_options local_opts = *options; |
c906108c | 857 | struct type *real_type = check_typedef (type); |
79a45b7d | 858 | |
2a998fc0 DE |
859 | if (local_opts.prettyformat == Val_prettyformat_default) |
860 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
861 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 862 | |
c906108c SS |
863 | QUIT; |
864 | ||
865 | /* Ensure that the type is complete and not just a stub. If the type is | |
866 | only a stub and we can't find and substitute its complete type, then | |
867 | print appropriate string and return. */ | |
868 | ||
74a9bb82 | 869 | if (TYPE_STUB (real_type)) |
c906108c | 870 | { |
0e03807e | 871 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c | 872 | gdb_flush (stream); |
35c0084b | 873 | return; |
c906108c | 874 | } |
c5aa993b | 875 | |
0e03807e | 876 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
35c0084b | 877 | return; |
0e03807e | 878 | |
a6bac58e TT |
879 | if (!options->raw) |
880 | { | |
6dddc817 DE |
881 | ret = apply_ext_lang_val_pretty_printer (type, valaddr, embedded_offset, |
882 | address, stream, recurse, | |
883 | val, options, language); | |
a6bac58e | 884 | if (ret) |
35c0084b | 885 | return; |
a6bac58e TT |
886 | } |
887 | ||
888 | /* Handle summary mode. If the value is a scalar, print it; | |
889 | otherwise, print an ellipsis. */ | |
6211c335 | 890 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
891 | { |
892 | fprintf_filtered (stream, "..."); | |
35c0084b | 893 | return; |
a6bac58e TT |
894 | } |
895 | ||
492d29ea | 896 | TRY |
19ca80ba | 897 | { |
d3eab38a TT |
898 | language->la_val_print (type, valaddr, embedded_offset, address, |
899 | stream, recurse, val, | |
900 | &local_opts); | |
19ca80ba | 901 | } |
492d29ea PA |
902 | CATCH (except, RETURN_MASK_ERROR) |
903 | { | |
904 | fprintf_filtered (stream, _("<error reading variable>")); | |
905 | } | |
906 | END_CATCH | |
c906108c SS |
907 | } |
908 | ||
806048c6 | 909 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
910 | return 0 and print an appropriate error message to STREAM according to |
911 | OPTIONS if it is not. */ | |
c906108c | 912 | |
806048c6 | 913 | static int |
6501578c YQ |
914 | value_check_printable (struct value *val, struct ui_file *stream, |
915 | const struct value_print_options *options) | |
c906108c SS |
916 | { |
917 | if (val == 0) | |
918 | { | |
806048c6 | 919 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
920 | return 0; |
921 | } | |
806048c6 | 922 | |
0e03807e | 923 | if (value_entirely_optimized_out (val)) |
c906108c | 924 | { |
6211c335 | 925 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
926 | fprintf_filtered (stream, "..."); |
927 | else | |
901461f8 | 928 | val_print_optimized_out (val, stream); |
c906108c SS |
929 | return 0; |
930 | } | |
806048c6 | 931 | |
eebc056c AB |
932 | if (value_entirely_unavailable (val)) |
933 | { | |
934 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
935 | fprintf_filtered (stream, "..."); | |
936 | else | |
937 | val_print_unavailable (stream); | |
938 | return 0; | |
939 | } | |
940 | ||
bc3b79fd TJB |
941 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
942 | { | |
943 | fprintf_filtered (stream, _("<internal function %s>"), | |
944 | value_internal_function_name (val)); | |
945 | return 0; | |
946 | } | |
947 | ||
806048c6 DJ |
948 | return 1; |
949 | } | |
950 | ||
d8ca156b | 951 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 952 | to OPTIONS. |
806048c6 | 953 | |
806048c6 DJ |
954 | This is a preferable interface to val_print, above, because it uses |
955 | GDB's value mechanism. */ | |
956 | ||
a1f5dd1b | 957 | void |
79a45b7d TT |
958 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
959 | const struct value_print_options *options, | |
d8ca156b | 960 | const struct language_defn *language) |
806048c6 | 961 | { |
6501578c | 962 | if (!value_check_printable (val, stream, options)) |
a1f5dd1b | 963 | return; |
806048c6 | 964 | |
0c3acc09 JB |
965 | if (language->la_language == language_ada) |
966 | /* The value might have a dynamic type, which would cause trouble | |
967 | below when trying to extract the value contents (since the value | |
968 | size is determined from the type size which is unknown). So | |
969 | get a fixed representation of our value. */ | |
970 | val = ada_to_fixed_value (val); | |
971 | ||
a1f5dd1b TT |
972 | val_print (value_type (val), value_contents_for_printing (val), |
973 | value_embedded_offset (val), value_address (val), | |
974 | stream, recurse, | |
975 | val, options, language); | |
806048c6 DJ |
976 | } |
977 | ||
7348c5e1 | 978 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 979 | is printed using the current_language syntax. */ |
7348c5e1 | 980 | |
8e069a98 | 981 | void |
79a45b7d TT |
982 | value_print (struct value *val, struct ui_file *stream, |
983 | const struct value_print_options *options) | |
806048c6 | 984 | { |
6501578c | 985 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 986 | return; |
806048c6 | 987 | |
a6bac58e TT |
988 | if (!options->raw) |
989 | { | |
6dddc817 DE |
990 | int r |
991 | = apply_ext_lang_val_pretty_printer (value_type (val), | |
992 | value_contents_for_printing (val), | |
993 | value_embedded_offset (val), | |
994 | value_address (val), | |
995 | stream, 0, | |
996 | val, options, current_language); | |
a109c7c1 | 997 | |
a6bac58e | 998 | if (r) |
8e069a98 | 999 | return; |
a6bac58e TT |
1000 | } |
1001 | ||
8e069a98 | 1002 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1003 | } |
1004 | ||
1005 | /* Called by various <lang>_val_print routines to print | |
1006 | TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the | |
1007 | value. STREAM is where to print the value. */ | |
1008 | ||
1009 | void | |
fc1a4b47 | 1010 | val_print_type_code_int (struct type *type, const gdb_byte *valaddr, |
fba45db2 | 1011 | struct ui_file *stream) |
c906108c | 1012 | { |
50810684 | 1013 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
d44e8473 | 1014 | |
c906108c SS |
1015 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
1016 | { | |
1017 | LONGEST val; | |
1018 | ||
1019 | if (TYPE_UNSIGNED (type) | |
1020 | && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type), | |
e17a4113 | 1021 | byte_order, &val)) |
c906108c SS |
1022 | { |
1023 | print_longest (stream, 'u', 0, val); | |
1024 | } | |
1025 | else | |
1026 | { | |
1027 | /* Signed, or we couldn't turn an unsigned value into a | |
1028 | LONGEST. For signed values, one could assume two's | |
1029 | complement (a reasonable assumption, I think) and do | |
1030 | better than this. */ | |
1031 | print_hex_chars (stream, (unsigned char *) valaddr, | |
d44e8473 | 1032 | TYPE_LENGTH (type), byte_order); |
c906108c SS |
1033 | } |
1034 | } | |
1035 | else | |
1036 | { | |
c906108c SS |
1037 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, |
1038 | unpack_long (type, valaddr)); | |
c906108c SS |
1039 | } |
1040 | } | |
1041 | ||
4f2aea11 MK |
1042 | void |
1043 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, | |
1044 | struct ui_file *stream) | |
1045 | { | |
befae759 | 1046 | ULONGEST val = unpack_long (type, valaddr); |
4f2aea11 MK |
1047 | int bitpos, nfields = TYPE_NFIELDS (type); |
1048 | ||
1049 | fputs_filtered ("[ ", stream); | |
1050 | for (bitpos = 0; bitpos < nfields; bitpos++) | |
1051 | { | |
316703b9 MK |
1052 | if (TYPE_FIELD_BITPOS (type, bitpos) != -1 |
1053 | && (val & ((ULONGEST)1 << bitpos))) | |
4f2aea11 MK |
1054 | { |
1055 | if (TYPE_FIELD_NAME (type, bitpos)) | |
1056 | fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos)); | |
1057 | else | |
1058 | fprintf_filtered (stream, "#%d ", bitpos); | |
1059 | } | |
1060 | } | |
1061 | fputs_filtered ("]", stream); | |
19c37f24 | 1062 | } |
ab2188aa PA |
1063 | |
1064 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
1065 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
1066 | at this level. | |
1067 | ||
1068 | This is how the elements of an array or structure are printed | |
1069 | with a format. */ | |
ab2188aa PA |
1070 | |
1071 | void | |
1072 | val_print_scalar_formatted (struct type *type, | |
1073 | const gdb_byte *valaddr, int embedded_offset, | |
1074 | const struct value *val, | |
1075 | const struct value_print_options *options, | |
1076 | int size, | |
1077 | struct ui_file *stream) | |
1078 | { | |
1079 | gdb_assert (val != NULL); | |
1080 | gdb_assert (valaddr == value_contents_for_printing_const (val)); | |
1081 | ||
1082 | /* If we get here with a string format, try again without it. Go | |
1083 | all the way back to the language printers, which may call us | |
1084 | again. */ | |
1085 | if (options->format == 's') | |
1086 | { | |
1087 | struct value_print_options opts = *options; | |
1088 | opts.format = 0; | |
1089 | opts.deref_ref = 0; | |
1090 | val_print (type, valaddr, embedded_offset, 0, stream, 0, val, &opts, | |
1091 | current_language); | |
1092 | return; | |
1093 | } | |
1094 | ||
1095 | /* A scalar object that does not have all bits available can't be | |
1096 | printed, because all bits contribute to its representation. */ | |
9a0dc9e3 PA |
1097 | if (value_bits_any_optimized_out (val, |
1098 | TARGET_CHAR_BIT * embedded_offset, | |
1099 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
901461f8 | 1100 | val_print_optimized_out (val, stream); |
4e07d55f PA |
1101 | else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) |
1102 | val_print_unavailable (stream); | |
ab2188aa PA |
1103 | else |
1104 | print_scalar_formatted (valaddr + embedded_offset, type, | |
1105 | options, size, stream); | |
4f2aea11 MK |
1106 | } |
1107 | ||
c906108c SS |
1108 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1109 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1110 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1111 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1112 | format. |
bb599908 PH |
1113 | |
1114 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1115 | 'o' and 'x' format do not include the standard C radix prefix | |
1116 | (leading 0 or 0x). | |
1117 | ||
1118 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
1119 | and was intended to request formating according to the current | |
1120 | language and would be used for most integers that GDB prints. The | |
1121 | exceptional cases were things like protocols where the format of | |
1122 | the integer is a protocol thing, not a user-visible thing). The | |
1123 | parameter remains to preserve the information of what things might | |
1124 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1125 | that capability. */ |
c906108c SS |
1126 | |
1127 | void | |
bb599908 | 1128 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1129 | LONGEST val_long) |
c906108c | 1130 | { |
2bfb72ee AC |
1131 | const char *val; |
1132 | ||
c906108c SS |
1133 | switch (format) |
1134 | { | |
1135 | case 'd': | |
bb599908 | 1136 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1137 | case 'u': |
bb599908 | 1138 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1139 | case 'x': |
bb599908 | 1140 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1141 | case 'b': |
bb599908 | 1142 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1143 | case 'h': |
bb599908 | 1144 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1145 | case 'w': |
bb599908 | 1146 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1147 | case 'g': |
bb599908 | 1148 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1149 | break; |
1150 | case 'o': | |
bb599908 | 1151 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1152 | default: |
3e43a32a MS |
1153 | internal_error (__FILE__, __LINE__, |
1154 | _("failed internal consistency check")); | |
bb599908 | 1155 | } |
2bfb72ee | 1156 | fputs_filtered (val, stream); |
c906108c SS |
1157 | } |
1158 | ||
c906108c SS |
1159 | /* This used to be a macro, but I don't think it is called often enough |
1160 | to merit such treatment. */ | |
1161 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1162 | arguments to a function, number in a value history, register number, etc.) | |
1163 | where the value must not be larger than can fit in an int. */ | |
1164 | ||
1165 | int | |
fba45db2 | 1166 | longest_to_int (LONGEST arg) |
c906108c | 1167 | { |
581e13c1 | 1168 | /* Let the compiler do the work. */ |
c906108c SS |
1169 | int rtnval = (int) arg; |
1170 | ||
581e13c1 | 1171 | /* Check for overflows or underflows. */ |
c906108c SS |
1172 | if (sizeof (LONGEST) > sizeof (int)) |
1173 | { | |
1174 | if (rtnval != arg) | |
1175 | { | |
8a3fe4f8 | 1176 | error (_("Value out of range.")); |
c906108c SS |
1177 | } |
1178 | } | |
1179 | return (rtnval); | |
1180 | } | |
1181 | ||
a73c86fb AC |
1182 | /* Print a floating point value of type TYPE (not always a |
1183 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1184 | |
1185 | void | |
fc1a4b47 | 1186 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1187 | struct ui_file *stream) |
c906108c SS |
1188 | { |
1189 | DOUBLEST doub; | |
1190 | int inv; | |
a73c86fb | 1191 | const struct floatformat *fmt = NULL; |
c906108c | 1192 | unsigned len = TYPE_LENGTH (type); |
20389057 | 1193 | enum float_kind kind; |
c5aa993b | 1194 | |
a73c86fb AC |
1195 | /* If it is a floating-point, check for obvious problems. */ |
1196 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
1197 | fmt = floatformat_from_type (type); | |
20389057 | 1198 | if (fmt != NULL) |
39424bef | 1199 | { |
20389057 DJ |
1200 | kind = floatformat_classify (fmt, valaddr); |
1201 | if (kind == float_nan) | |
1202 | { | |
1203 | if (floatformat_is_negative (fmt, valaddr)) | |
1204 | fprintf_filtered (stream, "-"); | |
1205 | fprintf_filtered (stream, "nan("); | |
1206 | fputs_filtered ("0x", stream); | |
1207 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
1208 | fprintf_filtered (stream, ")"); | |
1209 | return; | |
1210 | } | |
1211 | else if (kind == float_infinite) | |
1212 | { | |
1213 | if (floatformat_is_negative (fmt, valaddr)) | |
1214 | fputs_filtered ("-", stream); | |
1215 | fputs_filtered ("inf", stream); | |
1216 | return; | |
1217 | } | |
7355ddba | 1218 | } |
c906108c | 1219 | |
a73c86fb AC |
1220 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
1221 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
1222 | needs to be used as that takes care of any necessary type | |
1223 | conversions. Such conversions are of course direct to DOUBLEST | |
1224 | and disregard any possible target floating point limitations. | |
1225 | For instance, a u64 would be converted and displayed exactly on a | |
1226 | host with 80 bit DOUBLEST but with loss of information on a host | |
1227 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 1228 | |
c906108c SS |
1229 | doub = unpack_double (type, valaddr, &inv); |
1230 | if (inv) | |
1231 | { | |
1232 | fprintf_filtered (stream, "<invalid float value>"); | |
1233 | return; | |
1234 | } | |
1235 | ||
39424bef MK |
1236 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
1237 | assumptions about the host and target floating point format. */ | |
1238 | ||
a73c86fb | 1239 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 1240 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
1241 | instead uses the type's length to determine the precision of the |
1242 | floating-point value being printed. */ | |
c2f05ac9 | 1243 | |
c906108c | 1244 | if (len < sizeof (double)) |
c5aa993b | 1245 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 1246 | else if (len == sizeof (double)) |
c5aa993b | 1247 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
1248 | else |
1249 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
1250 | fprintf_filtered (stream, "%.35Lg", doub); | |
1251 | #else | |
39424bef MK |
1252 | /* This at least wins with values that are representable as |
1253 | doubles. */ | |
c906108c SS |
1254 | fprintf_filtered (stream, "%.17g", (double) doub); |
1255 | #endif | |
1256 | } | |
1257 | ||
7678ef8f TJB |
1258 | void |
1259 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
1260 | struct ui_file *stream) | |
1261 | { | |
e17a4113 | 1262 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
1263 | char decstr[MAX_DECIMAL_STRING]; |
1264 | unsigned len = TYPE_LENGTH (type); | |
1265 | ||
e17a4113 | 1266 | decimal_to_string (valaddr, len, byte_order, decstr); |
7678ef8f TJB |
1267 | fputs_filtered (decstr, stream); |
1268 | return; | |
1269 | } | |
1270 | ||
c5aa993b | 1271 | void |
fc1a4b47 | 1272 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1273 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
1274 | { |
1275 | ||
1276 | #define BITS_IN_BYTES 8 | |
1277 | ||
fc1a4b47 | 1278 | const gdb_byte *p; |
745b8ca0 | 1279 | unsigned int i; |
c5aa993b | 1280 | int b; |
c906108c SS |
1281 | |
1282 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1283 | This ensures that right shift will shift in zeros. */ |
1284 | ||
c5aa993b | 1285 | const int mask = 0x080; |
c906108c SS |
1286 | |
1287 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1288 | ||
d44e8473 | 1289 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1290 | { |
1291 | for (p = valaddr; | |
1292 | p < valaddr + len; | |
1293 | p++) | |
1294 | { | |
c5aa993b | 1295 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1296 | and print from the MSB end. */ |
1297 | ||
c5aa993b JM |
1298 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
1299 | { | |
1300 | if (*p & (mask >> i)) | |
1301 | b = 1; | |
1302 | else | |
1303 | b = 0; | |
1304 | ||
1305 | fprintf_filtered (stream, "%1d", b); | |
1306 | } | |
c906108c SS |
1307 | } |
1308 | } | |
1309 | else | |
1310 | { | |
1311 | for (p = valaddr + len - 1; | |
1312 | p >= valaddr; | |
1313 | p--) | |
1314 | { | |
c5aa993b JM |
1315 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
1316 | { | |
1317 | if (*p & (mask >> i)) | |
1318 | b = 1; | |
1319 | else | |
1320 | b = 0; | |
1321 | ||
1322 | fprintf_filtered (stream, "%1d", b); | |
1323 | } | |
c906108c SS |
1324 | } |
1325 | } | |
c906108c SS |
1326 | } |
1327 | ||
1328 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1329 | Print it in octal on stream or format it in buf. */ |
1330 | ||
c906108c | 1331 | void |
fc1a4b47 | 1332 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1333 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1334 | { |
fc1a4b47 | 1335 | const gdb_byte *p; |
c906108c | 1336 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1337 | int cycle; |
1338 | ||
c906108c SS |
1339 | /* FIXME: We should be not printing leading zeroes in most cases. */ |
1340 | ||
1341 | ||
1342 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track | |
1343 | * the extra bits, which cycle every three bytes: | |
1344 | * | |
1345 | * Byte side: 0 1 2 3 | |
1346 | * | | | | | |
1347 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1348 | * | |
1349 | * Octal side: 0 1 carry 3 4 carry ... | |
1350 | * | |
1351 | * Cycle number: 0 1 2 | |
1352 | * | |
1353 | * But of course we are printing from the high side, so we have to | |
1354 | * figure out where in the cycle we are so that we end up with no | |
1355 | * left over bits at the end. | |
1356 | */ | |
1357 | #define BITS_IN_OCTAL 3 | |
1358 | #define HIGH_ZERO 0340 | |
1359 | #define LOW_ZERO 0016 | |
1360 | #define CARRY_ZERO 0003 | |
1361 | #define HIGH_ONE 0200 | |
1362 | #define MID_ONE 0160 | |
1363 | #define LOW_ONE 0016 | |
1364 | #define CARRY_ONE 0001 | |
1365 | #define HIGH_TWO 0300 | |
1366 | #define MID_TWO 0070 | |
1367 | #define LOW_TWO 0007 | |
1368 | ||
1369 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1370 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1371 | ||
c906108c SS |
1372 | cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL; |
1373 | carry = 0; | |
c5aa993b | 1374 | |
bb599908 | 1375 | fputs_filtered ("0", stream); |
d44e8473 | 1376 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1377 | { |
1378 | for (p = valaddr; | |
1379 | p < valaddr + len; | |
1380 | p++) | |
1381 | { | |
c5aa993b JM |
1382 | switch (cycle) |
1383 | { | |
1384 | case 0: | |
581e13c1 MS |
1385 | /* No carry in, carry out two bits. */ |
1386 | ||
c5aa993b JM |
1387 | octa1 = (HIGH_ZERO & *p) >> 5; |
1388 | octa2 = (LOW_ZERO & *p) >> 2; | |
1389 | carry = (CARRY_ZERO & *p); | |
1390 | fprintf_filtered (stream, "%o", octa1); | |
1391 | fprintf_filtered (stream, "%o", octa2); | |
1392 | break; | |
1393 | ||
1394 | case 1: | |
581e13c1 MS |
1395 | /* Carry in two bits, carry out one bit. */ |
1396 | ||
c5aa993b JM |
1397 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1398 | octa2 = (MID_ONE & *p) >> 4; | |
1399 | octa3 = (LOW_ONE & *p) >> 1; | |
1400 | carry = (CARRY_ONE & *p); | |
1401 | fprintf_filtered (stream, "%o", octa1); | |
1402 | fprintf_filtered (stream, "%o", octa2); | |
1403 | fprintf_filtered (stream, "%o", octa3); | |
1404 | break; | |
1405 | ||
1406 | case 2: | |
581e13c1 MS |
1407 | /* Carry in one bit, no carry out. */ |
1408 | ||
c5aa993b JM |
1409 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1410 | octa2 = (MID_TWO & *p) >> 3; | |
1411 | octa3 = (LOW_TWO & *p); | |
1412 | carry = 0; | |
1413 | fprintf_filtered (stream, "%o", octa1); | |
1414 | fprintf_filtered (stream, "%o", octa2); | |
1415 | fprintf_filtered (stream, "%o", octa3); | |
1416 | break; | |
1417 | ||
1418 | default: | |
8a3fe4f8 | 1419 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1420 | } |
1421 | ||
1422 | cycle++; | |
1423 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1424 | } |
1425 | } | |
1426 | else | |
1427 | { | |
1428 | for (p = valaddr + len - 1; | |
1429 | p >= valaddr; | |
1430 | p--) | |
1431 | { | |
c5aa993b JM |
1432 | switch (cycle) |
1433 | { | |
1434 | case 0: | |
1435 | /* Carry out, no carry in */ | |
581e13c1 | 1436 | |
c5aa993b JM |
1437 | octa1 = (HIGH_ZERO & *p) >> 5; |
1438 | octa2 = (LOW_ZERO & *p) >> 2; | |
1439 | carry = (CARRY_ZERO & *p); | |
1440 | fprintf_filtered (stream, "%o", octa1); | |
1441 | fprintf_filtered (stream, "%o", octa2); | |
1442 | break; | |
1443 | ||
1444 | case 1: | |
1445 | /* Carry in, carry out */ | |
581e13c1 | 1446 | |
c5aa993b JM |
1447 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1448 | octa2 = (MID_ONE & *p) >> 4; | |
1449 | octa3 = (LOW_ONE & *p) >> 1; | |
1450 | carry = (CARRY_ONE & *p); | |
1451 | fprintf_filtered (stream, "%o", octa1); | |
1452 | fprintf_filtered (stream, "%o", octa2); | |
1453 | fprintf_filtered (stream, "%o", octa3); | |
1454 | break; | |
1455 | ||
1456 | case 2: | |
1457 | /* Carry in, no carry out */ | |
581e13c1 | 1458 | |
c5aa993b JM |
1459 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1460 | octa2 = (MID_TWO & *p) >> 3; | |
1461 | octa3 = (LOW_TWO & *p); | |
1462 | carry = 0; | |
1463 | fprintf_filtered (stream, "%o", octa1); | |
1464 | fprintf_filtered (stream, "%o", octa2); | |
1465 | fprintf_filtered (stream, "%o", octa3); | |
1466 | break; | |
1467 | ||
1468 | default: | |
8a3fe4f8 | 1469 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1470 | } |
1471 | ||
1472 | cycle++; | |
1473 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1474 | } |
1475 | } | |
1476 | ||
c906108c SS |
1477 | } |
1478 | ||
1479 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1480 | Print it in decimal on stream or format it in buf. */ |
1481 | ||
c906108c | 1482 | void |
fc1a4b47 | 1483 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1484 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
1485 | { |
1486 | #define TEN 10 | |
c5aa993b | 1487 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1488 | #define CARRY_LEFT( x ) ((x) % TEN) |
1489 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1490 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1491 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1492 | ||
fc1a4b47 | 1493 | const gdb_byte *p; |
c906108c | 1494 | unsigned char *digits; |
c5aa993b JM |
1495 | int carry; |
1496 | int decimal_len; | |
1497 | int i, j, decimal_digits; | |
1498 | int dummy; | |
1499 | int flip; | |
1500 | ||
c906108c | 1501 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1502 | as the base 16 number, which is 2 digits per byte. */ |
1503 | ||
c906108c | 1504 | decimal_len = len * 2 * 2; |
3c37485b | 1505 | digits = xmalloc (decimal_len); |
c906108c | 1506 | |
c5aa993b JM |
1507 | for (i = 0; i < decimal_len; i++) |
1508 | { | |
c906108c | 1509 | digits[i] = 0; |
c5aa993b | 1510 | } |
c906108c | 1511 | |
c906108c SS |
1512 | /* Ok, we have an unknown number of bytes of data to be printed in |
1513 | * decimal. | |
1514 | * | |
1515 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
1516 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
1517 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
1518 | * | |
1519 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1520 | * the individual digits are > 10. |
c906108c SS |
1521 | * |
1522 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1523 | * LSD end. | |
1524 | */ | |
c5aa993b | 1525 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1526 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1527 | flip = 0; |
d44e8473 | 1528 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1529 | { |
c906108c SS |
1530 | /* |
1531 | * Multiply current base-ten number by 16 in place. | |
1532 | * Each digit was between 0 and 9, now is between | |
1533 | * 0 and 144. | |
1534 | */ | |
c5aa993b JM |
1535 | for (j = 0; j < decimal_digits; j++) |
1536 | { | |
1537 | digits[j] = SHIFT (digits[j]); | |
1538 | } | |
1539 | ||
c906108c SS |
1540 | /* Take the next nibble off the input and add it to what |
1541 | * we've got in the LSB position. Bottom 'digit' is now | |
1542 | * between 0 and 159. | |
1543 | * | |
1544 | * "flip" is used to run this loop twice for each byte. | |
1545 | */ | |
c5aa993b JM |
1546 | if (flip == 0) |
1547 | { | |
581e13c1 MS |
1548 | /* Take top nibble. */ |
1549 | ||
c5aa993b JM |
1550 | digits[0] += HIGH_NIBBLE (*p); |
1551 | flip = 1; | |
1552 | } | |
1553 | else | |
1554 | { | |
581e13c1 MS |
1555 | /* Take low nibble and bump our pointer "p". */ |
1556 | ||
c5aa993b | 1557 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1558 | if (byte_order == BFD_ENDIAN_BIG) |
1559 | p++; | |
1560 | else | |
1561 | p--; | |
c5aa993b JM |
1562 | flip = 0; |
1563 | } | |
c906108c SS |
1564 | |
1565 | /* Re-decimalize. We have to do this often enough | |
1566 | * that we don't overflow, but once per nibble is | |
1567 | * overkill. Easier this way, though. Note that the | |
1568 | * carry is often larger than 10 (e.g. max initial | |
1569 | * carry out of lowest nibble is 15, could bubble all | |
1570 | * the way up greater than 10). So we have to do | |
1571 | * the carrying beyond the last current digit. | |
1572 | */ | |
1573 | carry = 0; | |
c5aa993b JM |
1574 | for (j = 0; j < decimal_len - 1; j++) |
1575 | { | |
1576 | digits[j] += carry; | |
1577 | ||
1578 | /* "/" won't handle an unsigned char with | |
1579 | * a value that if signed would be negative. | |
1580 | * So extend to longword int via "dummy". | |
1581 | */ | |
1582 | dummy = digits[j]; | |
1583 | carry = CARRY_OUT (dummy); | |
1584 | digits[j] = CARRY_LEFT (dummy); | |
1585 | ||
1586 | if (j >= decimal_digits && carry == 0) | |
1587 | { | |
1588 | /* | |
1589 | * All higher digits are 0 and we | |
1590 | * no longer have a carry. | |
1591 | * | |
1592 | * Note: "j" is 0-based, "decimal_digits" is | |
1593 | * 1-based. | |
1594 | */ | |
1595 | decimal_digits = j + 1; | |
1596 | break; | |
1597 | } | |
1598 | } | |
1599 | } | |
c906108c SS |
1600 | |
1601 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1602 | the "decimal_digits" actual digits. Print! */ |
1603 | ||
c5aa993b JM |
1604 | for (i = decimal_digits - 1; i >= 0; i--) |
1605 | { | |
1606 | fprintf_filtered (stream, "%1d", digits[i]); | |
1607 | } | |
b8c9b27d | 1608 | xfree (digits); |
c906108c SS |
1609 | } |
1610 | ||
1611 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1612 | ||
6b9acc27 | 1613 | void |
fc1a4b47 | 1614 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1615 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1616 | { |
fc1a4b47 | 1617 | const gdb_byte *p; |
c906108c SS |
1618 | |
1619 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1620 | ||
bb599908 | 1621 | fputs_filtered ("0x", stream); |
d44e8473 | 1622 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1623 | { |
1624 | for (p = valaddr; | |
1625 | p < valaddr + len; | |
1626 | p++) | |
1627 | { | |
1628 | fprintf_filtered (stream, "%02x", *p); | |
1629 | } | |
1630 | } | |
1631 | else | |
1632 | { | |
1633 | for (p = valaddr + len - 1; | |
1634 | p >= valaddr; | |
1635 | p--) | |
1636 | { | |
1637 | fprintf_filtered (stream, "%02x", *p); | |
1638 | } | |
1639 | } | |
c906108c SS |
1640 | } |
1641 | ||
3e43a32a | 1642 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1643 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1644 | Omit any leading zero chars. */ |
1645 | ||
1646 | void | |
6c7a06a3 TT |
1647 | print_char_chars (struct ui_file *stream, struct type *type, |
1648 | const gdb_byte *valaddr, | |
d44e8473 | 1649 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1650 | { |
fc1a4b47 | 1651 | const gdb_byte *p; |
6b9acc27 | 1652 | |
d44e8473 | 1653 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1654 | { |
1655 | p = valaddr; | |
1656 | while (p < valaddr + len - 1 && *p == 0) | |
1657 | ++p; | |
1658 | ||
1659 | while (p < valaddr + len) | |
1660 | { | |
6c7a06a3 | 1661 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1662 | ++p; |
1663 | } | |
1664 | } | |
1665 | else | |
1666 | { | |
1667 | p = valaddr + len - 1; | |
1668 | while (p > valaddr && *p == 0) | |
1669 | --p; | |
1670 | ||
1671 | while (p >= valaddr) | |
1672 | { | |
6c7a06a3 | 1673 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1674 | --p; |
1675 | } | |
1676 | } | |
1677 | } | |
1678 | ||
132c57b4 TT |
1679 | /* Print function pointer with inferior address ADDRESS onto stdio |
1680 | stream STREAM. */ | |
1681 | ||
1682 | void | |
edf0c1b7 TT |
1683 | print_function_pointer_address (const struct value_print_options *options, |
1684 | struct gdbarch *gdbarch, | |
132c57b4 | 1685 | CORE_ADDR address, |
edf0c1b7 | 1686 | struct ui_file *stream) |
132c57b4 TT |
1687 | { |
1688 | CORE_ADDR func_addr | |
1689 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
1690 | ¤t_target); | |
1691 | ||
1692 | /* If the function pointer is represented by a description, print | |
1693 | the address of the description. */ | |
edf0c1b7 | 1694 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1695 | { |
1696 | fputs_filtered ("@", stream); | |
1697 | fputs_filtered (paddress (gdbarch, address), stream); | |
1698 | fputs_filtered (": ", stream); | |
1699 | } | |
edf0c1b7 | 1700 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1701 | } |
1702 | ||
1703 | ||
79a45b7d | 1704 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1705 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1706 | ||
1707 | void | |
1708 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1709 | struct ui_file *stream, |
1710 | const struct value_print_options *options) | |
e79af960 JB |
1711 | { |
1712 | struct value *index_value; | |
1713 | ||
79a45b7d | 1714 | if (!options->print_array_indexes) |
e79af960 JB |
1715 | return; |
1716 | ||
1717 | index_value = value_from_longest (index_type, index); | |
1718 | ||
79a45b7d TT |
1719 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1720 | } | |
e79af960 | 1721 | |
c906108c | 1722 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1723 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1724 | |
c5aa993b JM |
1725 | (FIXME?) Assumes array element separator is a comma, which is correct |
1726 | for all languages currently handled. | |
1727 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1728 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1729 | |
1730 | void | |
490f124f PA |
1731 | val_print_array_elements (struct type *type, |
1732 | const gdb_byte *valaddr, int embedded_offset, | |
a2bd3dcd | 1733 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1734 | int recurse, |
0e03807e | 1735 | const struct value *val, |
79a45b7d | 1736 | const struct value_print_options *options, |
fba45db2 | 1737 | unsigned int i) |
c906108c SS |
1738 | { |
1739 | unsigned int things_printed = 0; | |
1740 | unsigned len; | |
aa715135 | 1741 | struct type *elttype, *index_type, *base_index_type; |
c906108c SS |
1742 | unsigned eltlen; |
1743 | /* Position of the array element we are examining to see | |
1744 | whether it is repeated. */ | |
1745 | unsigned int rep1; | |
1746 | /* Number of repetitions we have detected so far. */ | |
1747 | unsigned int reps; | |
dbc98a8b | 1748 | LONGEST low_bound, high_bound; |
aa715135 | 1749 | LONGEST low_pos, high_pos; |
c5aa993b | 1750 | |
c906108c SS |
1751 | elttype = TYPE_TARGET_TYPE (type); |
1752 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
e79af960 | 1753 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1754 | |
dbc98a8b | 1755 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b | 1756 | { |
aa715135 JG |
1757 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
1758 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
1759 | else | |
1760 | base_index_type = index_type; | |
1761 | ||
1762 | /* Non-contiguous enumerations types can by used as index types | |
1763 | in some languages (e.g. Ada). In this case, the array length | |
1764 | shall be computed from the positions of the first and last | |
1765 | literal in the enumeration type, and not from the values | |
1766 | of these literals. */ | |
1767 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
1768 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
1769 | { | |
1770 | warning (_("unable to get positions in array, use bounds instead")); | |
1771 | low_pos = low_bound; | |
1772 | high_pos = high_bound; | |
1773 | } | |
1774 | ||
1775 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
75be741b | 1776 | But we have to be a little extra careful, because some languages |
aa715135 | 1777 | such as Ada allow LOW_POS to be greater than HIGH_POS for |
75be741b JB |
1778 | empty arrays. In that situation, the array length is just zero, |
1779 | not negative! */ | |
aa715135 | 1780 | if (low_pos > high_pos) |
75be741b JB |
1781 | len = 0; |
1782 | else | |
aa715135 | 1783 | len = high_pos - low_pos + 1; |
75be741b | 1784 | } |
e936309c JB |
1785 | else |
1786 | { | |
dbc98a8b KW |
1787 | warning (_("unable to get bounds of array, assuming null array")); |
1788 | low_bound = 0; | |
1789 | len = 0; | |
168de233 JB |
1790 | } |
1791 | ||
c906108c SS |
1792 | annotate_array_section_begin (i, elttype); |
1793 | ||
79a45b7d | 1794 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1795 | { |
1796 | if (i != 0) | |
1797 | { | |
2a998fc0 | 1798 | if (options->prettyformat_arrays) |
c906108c SS |
1799 | { |
1800 | fprintf_filtered (stream, ",\n"); | |
1801 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1802 | } | |
1803 | else | |
1804 | { | |
1805 | fprintf_filtered (stream, ", "); | |
1806 | } | |
1807 | } | |
1808 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 1809 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 1810 | stream, options); |
c906108c SS |
1811 | |
1812 | rep1 = i + 1; | |
1813 | reps = 1; | |
35bef4fd TT |
1814 | /* Only check for reps if repeat_count_threshold is not set to |
1815 | UINT_MAX (unlimited). */ | |
1816 | if (options->repeat_count_threshold < UINT_MAX) | |
c906108c | 1817 | { |
35bef4fd | 1818 | while (rep1 < len |
9a0dc9e3 PA |
1819 | && value_contents_eq (val, |
1820 | embedded_offset + i * eltlen, | |
1821 | val, | |
1822 | (embedded_offset | |
1823 | + rep1 * eltlen), | |
1824 | eltlen)) | |
35bef4fd TT |
1825 | { |
1826 | ++reps; | |
1827 | ++rep1; | |
1828 | } | |
c906108c SS |
1829 | } |
1830 | ||
79a45b7d | 1831 | if (reps > options->repeat_count_threshold) |
c906108c | 1832 | { |
490f124f PA |
1833 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1834 | address, stream, recurse + 1, val, options, | |
1835 | current_language); | |
c906108c SS |
1836 | annotate_elt_rep (reps); |
1837 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
1838 | annotate_elt_rep_end (); | |
1839 | ||
1840 | i = rep1 - 1; | |
79a45b7d | 1841 | things_printed += options->repeat_count_threshold; |
c906108c SS |
1842 | } |
1843 | else | |
1844 | { | |
490f124f PA |
1845 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1846 | address, | |
0e03807e | 1847 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1848 | annotate_elt (); |
1849 | things_printed++; | |
1850 | } | |
1851 | } | |
1852 | annotate_array_section_end (); | |
1853 | if (i < len) | |
1854 | { | |
1855 | fprintf_filtered (stream, "..."); | |
1856 | } | |
1857 | } | |
1858 | ||
917317f4 JM |
1859 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1860 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 1861 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 1862 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
1863 | |
1864 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1865 | function be eliminated. */ | |
1866 | ||
1867 | static int | |
3e43a32a | 1868 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 1869 | int len, int *errptr) |
917317f4 | 1870 | { |
581e13c1 MS |
1871 | int nread; /* Number of bytes actually read. */ |
1872 | int errcode; /* Error from last read. */ | |
917317f4 | 1873 | |
581e13c1 | 1874 | /* First try a complete read. */ |
917317f4 JM |
1875 | errcode = target_read_memory (memaddr, myaddr, len); |
1876 | if (errcode == 0) | |
1877 | { | |
581e13c1 | 1878 | /* Got it all. */ |
917317f4 JM |
1879 | nread = len; |
1880 | } | |
1881 | else | |
1882 | { | |
581e13c1 | 1883 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
1884 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
1885 | { | |
1886 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
1887 | } | |
581e13c1 | 1888 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
1889 | if (errcode != 0) |
1890 | { | |
1891 | nread--; | |
1892 | } | |
1893 | } | |
578d3588 | 1894 | if (errptr != NULL) |
917317f4 | 1895 | { |
578d3588 | 1896 | *errptr = errcode; |
917317f4 JM |
1897 | } |
1898 | return (nread); | |
1899 | } | |
1900 | ||
ae6a3a4c TJB |
1901 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
1902 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
1903 | allocated buffer containing the string, which the caller is responsible to | |
1904 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 1905 | success, or a target_xfer_status on failure. |
ae6a3a4c | 1906 | |
f380848e SA |
1907 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
1908 | (including eventual NULs in the middle or end of the string). | |
1909 | ||
1910 | If LEN is -1, stops at the first null character (not necessarily | |
1911 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
1912 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
1913 | the string. | |
ae6a3a4c TJB |
1914 | |
1915 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
1916 | failure. In this case, some characters might have been read before the | |
1917 | failure happened. Check BYTES_READ to recognize this situation. | |
1918 | ||
1919 | Note: There was a FIXME asking to make this code use target_read_string, | |
1920 | but this function is more general (can read past null characters, up to | |
581e13c1 | 1921 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
1922 | so it is more tested. Perhaps callers of target_read_string should use |
1923 | this function instead? */ | |
c906108c SS |
1924 | |
1925 | int | |
ae6a3a4c | 1926 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 1927 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 1928 | { |
ae6a3a4c TJB |
1929 | int errcode; /* Errno returned from bad reads. */ |
1930 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
1931 | gdb_byte *bufptr; /* Pointer to next available byte in |
1932 | buffer. */ | |
ae6a3a4c TJB |
1933 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ |
1934 | ||
ae6a3a4c TJB |
1935 | /* Loop until we either have all the characters, or we encounter |
1936 | some error, such as bumping into the end of the address space. */ | |
c906108c | 1937 | |
b5096abe PM |
1938 | *buffer = NULL; |
1939 | ||
1940 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
1941 | |
1942 | if (len > 0) | |
1943 | { | |
88db67ef YQ |
1944 | /* We want fetchlimit chars, so we might as well read them all in |
1945 | one operation. */ | |
f380848e SA |
1946 | unsigned int fetchlen = min (len, fetchlimit); |
1947 | ||
1948 | *buffer = (gdb_byte *) xmalloc (fetchlen * width); | |
ae6a3a4c | 1949 | bufptr = *buffer; |
c906108c | 1950 | |
f380848e | 1951 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
1952 | / width; |
1953 | addr += nfetch * width; | |
1954 | bufptr += nfetch * width; | |
1955 | } | |
1956 | else if (len == -1) | |
1957 | { | |
1958 | unsigned long bufsize = 0; | |
88db67ef YQ |
1959 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
1960 | int found_nul; /* Non-zero if we found the nul char. */ | |
1961 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
1962 | ||
1963 | found_nul = 0; | |
1964 | /* We are looking for a NUL terminator to end the fetching, so we | |
1965 | might as well read in blocks that are large enough to be efficient, | |
1966 | but not so large as to be slow if fetchlimit happens to be large. | |
1967 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
1968 | instead of 8 but 200 is way too big for remote debugging over a | |
1969 | serial line. */ | |
1970 | chunksize = min (8, fetchlimit); | |
ae6a3a4c | 1971 | |
c906108c SS |
1972 | do |
1973 | { | |
1974 | QUIT; | |
1975 | nfetch = min (chunksize, fetchlimit - bufsize); | |
1976 | ||
ae6a3a4c TJB |
1977 | if (*buffer == NULL) |
1978 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 1979 | else |
b5096abe PM |
1980 | *buffer = (gdb_byte *) xrealloc (*buffer, |
1981 | (nfetch + bufsize) * width); | |
c906108c | 1982 | |
ae6a3a4c | 1983 | bufptr = *buffer + bufsize * width; |
c906108c SS |
1984 | bufsize += nfetch; |
1985 | ||
ae6a3a4c | 1986 | /* Read as much as we can. */ |
917317f4 | 1987 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 1988 | / width; |
c906108c | 1989 | |
ae6a3a4c | 1990 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
1991 | to print. If found, we don't need to fetch any more. Note |
1992 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
1993 | after the null character, or at the next character after the end |
1994 | of the buffer. */ | |
c906108c SS |
1995 | |
1996 | limit = bufptr + nfetch * width; | |
1997 | while (bufptr < limit) | |
1998 | { | |
1999 | unsigned long c; | |
2000 | ||
e17a4113 | 2001 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2002 | addr += width; |
2003 | bufptr += width; | |
2004 | if (c == 0) | |
2005 | { | |
2006 | /* We don't care about any error which happened after | |
ae6a3a4c | 2007 | the NUL terminator. */ |
c906108c SS |
2008 | errcode = 0; |
2009 | found_nul = 1; | |
2010 | break; | |
2011 | } | |
2012 | } | |
2013 | } | |
c5aa993b | 2014 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
2015 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
2016 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
2017 | } |
2018 | else | |
ae6a3a4c TJB |
2019 | { /* Length of string is really 0! */ |
2020 | /* We always allocate *buffer. */ | |
2021 | *buffer = bufptr = xmalloc (1); | |
c906108c SS |
2022 | errcode = 0; |
2023 | } | |
2024 | ||
2025 | /* bufptr and addr now point immediately beyond the last byte which we | |
2026 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
2027 | *bytes_read = bufptr - *buffer; |
2028 | ||
2029 | QUIT; | |
2030 | ||
2031 | discard_cleanups (old_chain); | |
2032 | ||
2033 | return errcode; | |
2034 | } | |
2035 | ||
3b2b8fea TT |
2036 | /* Return true if print_wchar can display W without resorting to a |
2037 | numeric escape, false otherwise. */ | |
2038 | ||
2039 | static int | |
2040 | wchar_printable (gdb_wchar_t w) | |
2041 | { | |
2042 | return (gdb_iswprint (w) | |
2043 | || w == LCST ('\a') || w == LCST ('\b') | |
2044 | || w == LCST ('\f') || w == LCST ('\n') | |
2045 | || w == LCST ('\r') || w == LCST ('\t') | |
2046 | || w == LCST ('\v')); | |
2047 | } | |
2048 | ||
2049 | /* A helper function that converts the contents of STRING to wide | |
2050 | characters and then appends them to OUTPUT. */ | |
2051 | ||
2052 | static void | |
2053 | append_string_as_wide (const char *string, | |
2054 | struct obstack *output) | |
2055 | { | |
2056 | for (; *string; ++string) | |
2057 | { | |
2058 | gdb_wchar_t w = gdb_btowc (*string); | |
2059 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2060 | } | |
2061 | } | |
2062 | ||
2063 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2064 | original (target) bytes representing the character, ORIG_LEN is the | |
2065 | number of valid bytes. WIDTH is the number of bytes in a base | |
2066 | characters of the type. OUTPUT is an obstack to which wide | |
2067 | characters are emitted. QUOTER is a (narrow) character indicating | |
2068 | the style of quotes surrounding the character to be printed. | |
2069 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2070 | escapes across calls. */ | |
2071 | ||
2072 | static void | |
2073 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2074 | int orig_len, int width, | |
2075 | enum bfd_endian byte_order, | |
2076 | struct obstack *output, | |
2077 | int quoter, int *need_escapep) | |
2078 | { | |
2079 | int need_escape = *need_escapep; | |
2080 | ||
2081 | *need_escapep = 0; | |
3b2b8fea | 2082 | |
95c64f92 YQ |
2083 | /* iswprint implementation on Windows returns 1 for tab character. |
2084 | In order to avoid different printout on this host, we explicitly | |
2085 | use wchar_printable function. */ | |
2086 | switch (w) | |
3b2b8fea | 2087 | { |
95c64f92 YQ |
2088 | case LCST ('\a'): |
2089 | obstack_grow_wstr (output, LCST ("\\a")); | |
2090 | break; | |
2091 | case LCST ('\b'): | |
2092 | obstack_grow_wstr (output, LCST ("\\b")); | |
2093 | break; | |
2094 | case LCST ('\f'): | |
2095 | obstack_grow_wstr (output, LCST ("\\f")); | |
2096 | break; | |
2097 | case LCST ('\n'): | |
2098 | obstack_grow_wstr (output, LCST ("\\n")); | |
2099 | break; | |
2100 | case LCST ('\r'): | |
2101 | obstack_grow_wstr (output, LCST ("\\r")); | |
2102 | break; | |
2103 | case LCST ('\t'): | |
2104 | obstack_grow_wstr (output, LCST ("\\t")); | |
2105 | break; | |
2106 | case LCST ('\v'): | |
2107 | obstack_grow_wstr (output, LCST ("\\v")); | |
2108 | break; | |
2109 | default: | |
3b2b8fea | 2110 | { |
95c64f92 YQ |
2111 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2112 | && w != LCST ('8') | |
2113 | && w != LCST ('9')))) | |
2114 | { | |
2115 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2116 | |
95c64f92 YQ |
2117 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2118 | obstack_grow_wstr (output, LCST ("\\")); | |
2119 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2120 | } | |
2121 | else | |
2122 | { | |
2123 | int i; | |
3b2b8fea | 2124 | |
95c64f92 YQ |
2125 | for (i = 0; i + width <= orig_len; i += width) |
2126 | { | |
2127 | char octal[30]; | |
2128 | ULONGEST value; | |
2129 | ||
2130 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2131 | byte_order); |
95c64f92 YQ |
2132 | /* If the value fits in 3 octal digits, print it that |
2133 | way. Otherwise, print it as a hex escape. */ | |
2134 | if (value <= 0777) | |
2135 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2136 | (int) (value & 0777)); | |
2137 | else | |
2138 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2139 | append_string_as_wide (octal, output); | |
2140 | } | |
2141 | /* If we somehow have extra bytes, print them now. */ | |
2142 | while (i < orig_len) | |
2143 | { | |
2144 | char octal[5]; | |
2145 | ||
2146 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2147 | append_string_as_wide (octal, output); | |
2148 | ++i; | |
2149 | } | |
2150 | ||
2151 | *need_escapep = 1; | |
2152 | } | |
3b2b8fea TT |
2153 | break; |
2154 | } | |
2155 | } | |
2156 | } | |
2157 | ||
2158 | /* Print the character C on STREAM as part of the contents of a | |
2159 | literal string whose delimiter is QUOTER. ENCODING names the | |
2160 | encoding of C. */ | |
2161 | ||
2162 | void | |
2163 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2164 | int quoter, const char *encoding) | |
2165 | { | |
2166 | enum bfd_endian byte_order | |
2167 | = gdbarch_byte_order (get_type_arch (type)); | |
2168 | struct obstack wchar_buf, output; | |
2169 | struct cleanup *cleanups; | |
2170 | gdb_byte *buf; | |
2171 | struct wchar_iterator *iter; | |
2172 | int need_escape = 0; | |
2173 | ||
2174 | buf = alloca (TYPE_LENGTH (type)); | |
2175 | pack_long (buf, type, c); | |
2176 | ||
2177 | iter = make_wchar_iterator (buf, TYPE_LENGTH (type), | |
2178 | encoding, TYPE_LENGTH (type)); | |
2179 | cleanups = make_cleanup_wchar_iterator (iter); | |
2180 | ||
2181 | /* This holds the printable form of the wchar_t data. */ | |
2182 | obstack_init (&wchar_buf); | |
2183 | make_cleanup_obstack_free (&wchar_buf); | |
2184 | ||
2185 | while (1) | |
2186 | { | |
2187 | int num_chars; | |
2188 | gdb_wchar_t *chars; | |
2189 | const gdb_byte *buf; | |
2190 | size_t buflen; | |
2191 | int print_escape = 1; | |
2192 | enum wchar_iterate_result result; | |
2193 | ||
2194 | num_chars = wchar_iterate (iter, &result, &chars, &buf, &buflen); | |
2195 | if (num_chars < 0) | |
2196 | break; | |
2197 | if (num_chars > 0) | |
2198 | { | |
2199 | /* If all characters are printable, print them. Otherwise, | |
2200 | we're going to have to print an escape sequence. We | |
2201 | check all characters because we want to print the target | |
2202 | bytes in the escape sequence, and we don't know character | |
2203 | boundaries there. */ | |
2204 | int i; | |
2205 | ||
2206 | print_escape = 0; | |
2207 | for (i = 0; i < num_chars; ++i) | |
2208 | if (!wchar_printable (chars[i])) | |
2209 | { | |
2210 | print_escape = 1; | |
2211 | break; | |
2212 | } | |
2213 | ||
2214 | if (!print_escape) | |
2215 | { | |
2216 | for (i = 0; i < num_chars; ++i) | |
2217 | print_wchar (chars[i], buf, buflen, | |
2218 | TYPE_LENGTH (type), byte_order, | |
2219 | &wchar_buf, quoter, &need_escape); | |
2220 | } | |
2221 | } | |
2222 | ||
2223 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2224 | if (print_escape) | |
2225 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2226 | byte_order, &wchar_buf, quoter, &need_escape); | |
2227 | } | |
2228 | ||
2229 | /* The output in the host encoding. */ | |
2230 | obstack_init (&output); | |
2231 | make_cleanup_obstack_free (&output); | |
2232 | ||
2233 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2234 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2235 | obstack_object_size (&wchar_buf), |
fff10684 | 2236 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2237 | obstack_1grow (&output, '\0'); |
2238 | ||
2239 | fputs_filtered (obstack_base (&output), stream); | |
2240 | ||
2241 | do_cleanups (cleanups); | |
2242 | } | |
2243 | ||
0d63ecda KS |
2244 | /* Return the repeat count of the next character/byte in ITER, |
2245 | storing the result in VEC. */ | |
2246 | ||
2247 | static int | |
2248 | count_next_character (struct wchar_iterator *iter, | |
2249 | VEC (converted_character_d) **vec) | |
2250 | { | |
2251 | struct converted_character *current; | |
2252 | ||
2253 | if (VEC_empty (converted_character_d, *vec)) | |
2254 | { | |
2255 | struct converted_character tmp; | |
2256 | gdb_wchar_t *chars; | |
2257 | ||
2258 | tmp.num_chars | |
2259 | = wchar_iterate (iter, &tmp.result, &chars, &tmp.buf, &tmp.buflen); | |
2260 | if (tmp.num_chars > 0) | |
2261 | { | |
2262 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2263 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2264 | } | |
2265 | VEC_safe_push (converted_character_d, *vec, &tmp); | |
2266 | } | |
2267 | ||
2268 | current = VEC_last (converted_character_d, *vec); | |
2269 | ||
2270 | /* Count repeated characters or bytes. */ | |
2271 | current->repeat_count = 1; | |
2272 | if (current->num_chars == -1) | |
2273 | { | |
2274 | /* EOF */ | |
2275 | return -1; | |
2276 | } | |
2277 | else | |
2278 | { | |
2279 | gdb_wchar_t *chars; | |
2280 | struct converted_character d; | |
2281 | int repeat; | |
2282 | ||
2283 | d.repeat_count = 0; | |
2284 | ||
2285 | while (1) | |
2286 | { | |
2287 | /* Get the next character. */ | |
2288 | d.num_chars | |
2289 | = wchar_iterate (iter, &d.result, &chars, &d.buf, &d.buflen); | |
2290 | ||
2291 | /* If a character was successfully converted, save the character | |
2292 | into the converted character. */ | |
2293 | if (d.num_chars > 0) | |
2294 | { | |
2295 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2296 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2297 | } | |
2298 | ||
2299 | /* Determine if the current character is the same as this | |
2300 | new character. */ | |
2301 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2302 | { | |
2303 | /* There are two cases to consider: | |
2304 | ||
2305 | 1) Equality of converted character (num_chars > 0) | |
2306 | 2) Equality of non-converted character (num_chars == 0) */ | |
2307 | if ((current->num_chars > 0 | |
2308 | && memcmp (current->chars, d.chars, | |
2309 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2310 | || (current->num_chars == 0 | |
2311 | && current->buflen == d.buflen | |
2312 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2313 | ++current->repeat_count; | |
2314 | else | |
2315 | break; | |
2316 | } | |
2317 | else | |
2318 | break; | |
2319 | } | |
2320 | ||
2321 | /* Push this next converted character onto the result vector. */ | |
2322 | repeat = current->repeat_count; | |
2323 | VEC_safe_push (converted_character_d, *vec, &d); | |
2324 | return repeat; | |
2325 | } | |
2326 | } | |
2327 | ||
2328 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2329 | character to use with string output. WIDTH is the size of the output | |
2330 | character type. BYTE_ORDER is the the target byte order. OPTIONS | |
2331 | is the user's print options. */ | |
2332 | ||
2333 | static void | |
2334 | print_converted_chars_to_obstack (struct obstack *obstack, | |
2335 | VEC (converted_character_d) *chars, | |
2336 | int quote_char, int width, | |
2337 | enum bfd_endian byte_order, | |
2338 | const struct value_print_options *options) | |
2339 | { | |
2340 | unsigned int idx; | |
2341 | struct converted_character *elem; | |
2342 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; | |
2343 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2344 | int need_escape = 0; | |
2345 | ||
2346 | /* Set the start state. */ | |
2347 | idx = 0; | |
2348 | last = state = START; | |
2349 | elem = NULL; | |
2350 | ||
2351 | while (1) | |
2352 | { | |
2353 | switch (state) | |
2354 | { | |
2355 | case START: | |
2356 | /* Nothing to do. */ | |
2357 | break; | |
2358 | ||
2359 | case SINGLE: | |
2360 | { | |
2361 | int j; | |
2362 | ||
2363 | /* We are outputting a single character | |
2364 | (< options->repeat_count_threshold). */ | |
2365 | ||
2366 | if (last != SINGLE) | |
2367 | { | |
2368 | /* We were outputting some other type of content, so we | |
2369 | must output and a comma and a quote. */ | |
2370 | if (last != START) | |
2371 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2372 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2373 | } | |
2374 | /* Output the character. */ | |
2375 | for (j = 0; j < elem->repeat_count; ++j) | |
2376 | { | |
2377 | if (elem->result == wchar_iterate_ok) | |
2378 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2379 | byte_order, obstack, quote_char, &need_escape); | |
2380 | else | |
2381 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2382 | byte_order, obstack, quote_char, &need_escape); | |
2383 | } | |
2384 | } | |
2385 | break; | |
2386 | ||
2387 | case REPEAT: | |
2388 | { | |
2389 | int j; | |
2390 | char *s; | |
2391 | ||
2392 | /* We are outputting a character with a repeat count | |
2393 | greater than options->repeat_count_threshold. */ | |
2394 | ||
2395 | if (last == SINGLE) | |
2396 | { | |
2397 | /* We were outputting a single string. Terminate the | |
2398 | string. */ | |
0d63ecda KS |
2399 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2400 | } | |
2401 | if (last != START) | |
2402 | obstack_grow_wstr (obstack, LCST (", ")); | |
2403 | ||
2404 | /* Output the character and repeat string. */ | |
2405 | obstack_grow_wstr (obstack, LCST ("'")); | |
2406 | if (elem->result == wchar_iterate_ok) | |
2407 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2408 | byte_order, obstack, quote_char, &need_escape); | |
2409 | else | |
2410 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2411 | byte_order, obstack, quote_char, &need_escape); | |
2412 | obstack_grow_wstr (obstack, LCST ("'")); | |
2413 | s = xstrprintf (_(" <repeats %u times>"), elem->repeat_count); | |
2414 | for (j = 0; s[j]; ++j) | |
2415 | { | |
2416 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2417 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2418 | } | |
2419 | xfree (s); | |
2420 | } | |
2421 | break; | |
2422 | ||
2423 | case INCOMPLETE: | |
2424 | /* We are outputting an incomplete sequence. */ | |
2425 | if (last == SINGLE) | |
2426 | { | |
2427 | /* If we were outputting a string of SINGLE characters, | |
2428 | terminate the quote. */ | |
0d63ecda KS |
2429 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2430 | } | |
2431 | if (last != START) | |
2432 | obstack_grow_wstr (obstack, LCST (", ")); | |
2433 | ||
2434 | /* Output the incomplete sequence string. */ | |
2435 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2436 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2437 | obstack, 0, &need_escape); | |
2438 | obstack_grow_wstr (obstack, LCST (">")); | |
2439 | ||
2440 | /* We do not attempt to outupt anything after this. */ | |
2441 | state = FINISH; | |
2442 | break; | |
2443 | ||
2444 | case FINISH: | |
2445 | /* All done. If we were outputting a string of SINGLE | |
2446 | characters, the string must be terminated. Otherwise, | |
2447 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2448 | if (last == SINGLE) | |
e93a8774 | 2449 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2450 | |
2451 | return; | |
2452 | } | |
2453 | ||
2454 | /* Get the next element and state. */ | |
2455 | last = state; | |
2456 | if (state != FINISH) | |
2457 | { | |
2458 | elem = VEC_index (converted_character_d, chars, idx++); | |
2459 | switch (elem->result) | |
2460 | { | |
2461 | case wchar_iterate_ok: | |
2462 | case wchar_iterate_invalid: | |
2463 | if (elem->repeat_count > options->repeat_count_threshold) | |
2464 | state = REPEAT; | |
2465 | else | |
2466 | state = SINGLE; | |
2467 | break; | |
2468 | ||
2469 | case wchar_iterate_incomplete: | |
2470 | state = INCOMPLETE; | |
2471 | break; | |
2472 | ||
2473 | case wchar_iterate_eof: | |
2474 | state = FINISH; | |
2475 | break; | |
2476 | } | |
2477 | } | |
2478 | } | |
2479 | } | |
2480 | ||
3b2b8fea TT |
2481 | /* Print the character string STRING, printing at most LENGTH |
2482 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2483 | the type of each character. OPTIONS holds the printing options; | |
2484 | printing stops early if the number hits print_max; repeat counts | |
2485 | are printed as appropriate. Print ellipses at the end if we had to | |
2486 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2487 | QUOTE_CHAR is the character to print at each end of the string. If | |
2488 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2489 | omitted. */ | |
2490 | ||
2491 | void | |
2492 | generic_printstr (struct ui_file *stream, struct type *type, | |
2493 | const gdb_byte *string, unsigned int length, | |
2494 | const char *encoding, int force_ellipses, | |
2495 | int quote_char, int c_style_terminator, | |
2496 | const struct value_print_options *options) | |
2497 | { | |
2498 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
2499 | unsigned int i; | |
3b2b8fea TT |
2500 | int width = TYPE_LENGTH (type); |
2501 | struct obstack wchar_buf, output; | |
2502 | struct cleanup *cleanup; | |
2503 | struct wchar_iterator *iter; | |
2504 | int finished = 0; | |
0d63ecda KS |
2505 | struct converted_character *last; |
2506 | VEC (converted_character_d) *converted_chars; | |
3b2b8fea TT |
2507 | |
2508 | if (length == -1) | |
2509 | { | |
2510 | unsigned long current_char = 1; | |
2511 | ||
2512 | for (i = 0; current_char; ++i) | |
2513 | { | |
2514 | QUIT; | |
2515 | current_char = extract_unsigned_integer (string + i * width, | |
2516 | width, byte_order); | |
2517 | } | |
2518 | length = i; | |
2519 | } | |
2520 | ||
2521 | /* If the string was not truncated due to `set print elements', and | |
2522 | the last byte of it is a null, we don't print that, in | |
2523 | traditional C style. */ | |
2524 | if (c_style_terminator | |
2525 | && !force_ellipses | |
2526 | && length > 0 | |
2527 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2528 | width, byte_order) == 0)) | |
2529 | length--; | |
2530 | ||
2531 | if (length == 0) | |
2532 | { | |
2533 | fputs_filtered ("\"\"", stream); | |
2534 | return; | |
2535 | } | |
2536 | ||
2537 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
2538 | iter = make_wchar_iterator (string, length * width, encoding, width); | |
2539 | cleanup = make_cleanup_wchar_iterator (iter); | |
0d63ecda KS |
2540 | converted_chars = NULL; |
2541 | make_cleanup (VEC_cleanup (converted_character_d), &converted_chars); | |
3b2b8fea | 2542 | |
0d63ecda KS |
2543 | /* Convert characters until the string is over or the maximum |
2544 | number of printed characters has been reached. */ | |
2545 | i = 0; | |
2546 | while (i < options->print_max) | |
3b2b8fea | 2547 | { |
0d63ecda | 2548 | int r; |
3b2b8fea TT |
2549 | |
2550 | QUIT; | |
2551 | ||
0d63ecda KS |
2552 | /* Grab the next character and repeat count. */ |
2553 | r = count_next_character (iter, &converted_chars); | |
3b2b8fea | 2554 | |
0d63ecda KS |
2555 | /* If less than zero, the end of the input string was reached. */ |
2556 | if (r < 0) | |
2557 | break; | |
3b2b8fea | 2558 | |
0d63ecda KS |
2559 | /* Otherwise, add the count to the total print count and get |
2560 | the next character. */ | |
2561 | i += r; | |
2562 | } | |
3b2b8fea | 2563 | |
0d63ecda KS |
2564 | /* Get the last element and determine if the entire string was |
2565 | processed. */ | |
2566 | last = VEC_last (converted_character_d, converted_chars); | |
2567 | finished = (last->result == wchar_iterate_eof); | |
3b2b8fea | 2568 | |
0d63ecda KS |
2569 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2570 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2571 | |
0d63ecda KS |
2572 | /* WCHAR_BUF is the obstack we use to represent the string in |
2573 | wchar_t form. */ | |
2574 | obstack_init (&wchar_buf); | |
2575 | make_cleanup_obstack_free (&wchar_buf); | |
3b2b8fea | 2576 | |
0d63ecda KS |
2577 | /* Print the output string to the obstack. */ |
2578 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2579 | width, byte_order, options); | |
3b2b8fea TT |
2580 | |
2581 | if (force_ellipses || !finished) | |
2582 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2583 | ||
2584 | /* OUTPUT is where we collect `char's for printing. */ | |
2585 | obstack_init (&output); | |
2586 | make_cleanup_obstack_free (&output); | |
2587 | ||
2588 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2589 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2590 | obstack_object_size (&wchar_buf), |
fff10684 | 2591 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2592 | obstack_1grow (&output, '\0'); |
2593 | ||
2594 | fputs_filtered (obstack_base (&output), stream); | |
2595 | ||
2596 | do_cleanups (cleanup); | |
2597 | } | |
2598 | ||
ae6a3a4c TJB |
2599 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2600 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2601 | stops at the first null byte, otherwise printing proceeds (including null | |
2602 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2603 | whichever is smaller. ENCODING is the name of the string's |
2604 | encoding. It can be NULL, in which case the target encoding is | |
2605 | assumed. */ | |
ae6a3a4c TJB |
2606 | |
2607 | int | |
09ca9e2e TT |
2608 | val_print_string (struct type *elttype, const char *encoding, |
2609 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2610 | struct ui_file *stream, |
ae6a3a4c TJB |
2611 | const struct value_print_options *options) |
2612 | { | |
2613 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
2614 | int errcode; /* Errno returned from bad reads. */ | |
581e13c1 | 2615 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2616 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2617 | int bytes_read; | |
2618 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
2619 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 2620 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 2621 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 2622 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2623 | |
2624 | /* First we need to figure out the limit on the number of characters we are | |
2625 | going to attempt to fetch and print. This is actually pretty simple. If | |
2626 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2627 | LEN is -1, then the limit is print_max. This is true regardless of | |
2628 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2629 | because finding the null byte (or available memory) is what actually | |
2630 | limits the fetch. */ | |
2631 | ||
3e43a32a MS |
2632 | fetchlimit = (len == -1 ? options->print_max : min (len, |
2633 | options->print_max)); | |
ae6a3a4c | 2634 | |
e17a4113 UW |
2635 | errcode = read_string (addr, len, width, fetchlimit, byte_order, |
2636 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2637 | old_chain = make_cleanup (xfree, buffer); |
2638 | ||
2639 | addr += bytes_read; | |
c906108c | 2640 | |
3e43a32a MS |
2641 | /* We now have either successfully filled the buffer to fetchlimit, |
2642 | or terminated early due to an error or finding a null char when | |
2643 | LEN is -1. */ | |
ae6a3a4c TJB |
2644 | |
2645 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2646 | found_nul = 0; |
2647 | if (bytes_read >= width) | |
2648 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, | |
2649 | byte_order) == 0; | |
c906108c SS |
2650 | if (len == -1 && !found_nul) |
2651 | { | |
777ea8f1 | 2652 | gdb_byte *peekbuf; |
c906108c | 2653 | |
ae6a3a4c | 2654 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2655 | to peek at the next character. If not successful, or it is not |
2656 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2657 | |
777ea8f1 | 2658 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2659 | |
2660 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2661 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2662 | force_ellipsis = 1; |
2663 | } | |
ae6a3a4c | 2664 | else if ((len >= 0 && errcode != 0) || (len > bytes_read / width)) |
c906108c SS |
2665 | { |
2666 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2667 | than the number of characters actually requested, always make us |
ae6a3a4c | 2668 | print ellipsis. */ |
c906108c SS |
2669 | force_ellipsis = 1; |
2670 | } | |
2671 | ||
c906108c SS |
2672 | /* If we get an error before fetching anything, don't print a string. |
2673 | But if we fetch something and then get an error, print the string | |
2674 | and then the error message. */ | |
ae6a3a4c | 2675 | if (errcode == 0 || bytes_read > 0) |
c906108c | 2676 | { |
be759fcf | 2677 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 2678 | encoding, force_ellipsis, options); |
c906108c SS |
2679 | } |
2680 | ||
2681 | if (errcode != 0) | |
2682 | { | |
578d3588 PA |
2683 | char *str; |
2684 | ||
2685 | str = memory_error_message (errcode, gdbarch, addr); | |
2686 | make_cleanup (xfree, str); | |
2687 | ||
2688 | fprintf_filtered (stream, "<error: "); | |
2689 | fputs_filtered (str, stream); | |
2690 | fprintf_filtered (stream, ">"); | |
c906108c | 2691 | } |
ae6a3a4c | 2692 | |
c906108c SS |
2693 | gdb_flush (stream); |
2694 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
2695 | |
2696 | return (bytes_read / width); | |
c906108c | 2697 | } |
c906108c | 2698 | \f |
c5aa993b | 2699 | |
09e6485f PA |
2700 | /* The 'set input-radix' command writes to this auxiliary variable. |
2701 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2702 | it is left unchanged. */ | |
2703 | ||
2704 | static unsigned input_radix_1 = 10; | |
2705 | ||
c906108c SS |
2706 | /* Validate an input or output radix setting, and make sure the user |
2707 | knows what they really did here. Radix setting is confusing, e.g. | |
2708 | setting the input radix to "10" never changes it! */ | |
2709 | ||
c906108c | 2710 | static void |
fba45db2 | 2711 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2712 | { |
09e6485f | 2713 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2714 | } |
2715 | ||
c906108c | 2716 | static void |
fba45db2 | 2717 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2718 | { |
2719 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2720 | make any mathematical sense. In theory, we can deal with any input | |
2721 | radix greater than 1, even if we don't have unique digits for every | |
2722 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2723 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2724 | (FIXME). */ |
c906108c SS |
2725 | |
2726 | if (radix < 2) | |
2727 | { | |
09e6485f | 2728 | input_radix_1 = input_radix; |
8a3fe4f8 | 2729 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2730 | radix); |
2731 | } | |
09e6485f | 2732 | input_radix_1 = input_radix = radix; |
c906108c SS |
2733 | if (from_tty) |
2734 | { | |
3e43a32a MS |
2735 | printf_filtered (_("Input radix now set to " |
2736 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2737 | radix, radix, radix); |
2738 | } | |
2739 | } | |
2740 | ||
09e6485f PA |
2741 | /* The 'set output-radix' command writes to this auxiliary variable. |
2742 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2743 | otherwise, it is left unchanged. */ | |
2744 | ||
2745 | static unsigned output_radix_1 = 10; | |
2746 | ||
c906108c | 2747 | static void |
fba45db2 | 2748 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2749 | { |
09e6485f | 2750 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2751 | } |
2752 | ||
2753 | static void | |
fba45db2 | 2754 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2755 | { |
2756 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2757 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2758 | switch (radix) |
2759 | { | |
2760 | case 16: | |
79a45b7d | 2761 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2762 | break; |
2763 | case 10: | |
79a45b7d | 2764 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2765 | break; |
2766 | case 8: | |
79a45b7d | 2767 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2768 | break; |
2769 | default: | |
09e6485f | 2770 | output_radix_1 = output_radix; |
3e43a32a MS |
2771 | error (_("Unsupported output radix ``decimal %u''; " |
2772 | "output radix unchanged."), | |
c906108c SS |
2773 | radix); |
2774 | } | |
09e6485f | 2775 | output_radix_1 = output_radix = radix; |
c906108c SS |
2776 | if (from_tty) |
2777 | { | |
3e43a32a MS |
2778 | printf_filtered (_("Output radix now set to " |
2779 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2780 | radix, radix, radix); |
2781 | } | |
2782 | } | |
2783 | ||
2784 | /* Set both the input and output radix at once. Try to set the output radix | |
2785 | first, since it has the most restrictive range. An radix that is valid as | |
2786 | an output radix is also valid as an input radix. | |
2787 | ||
2788 | It may be useful to have an unusual input radix. If the user wishes to | |
2789 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2790 | the 'set input-radix' command. */ |
c906108c SS |
2791 | |
2792 | static void | |
fba45db2 | 2793 | set_radix (char *arg, int from_tty) |
c906108c SS |
2794 | { |
2795 | unsigned radix; | |
2796 | ||
bb518678 | 2797 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2798 | set_output_radix_1 (0, radix); |
2799 | set_input_radix_1 (0, radix); | |
2800 | if (from_tty) | |
2801 | { | |
3e43a32a MS |
2802 | printf_filtered (_("Input and output radices now set to " |
2803 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2804 | radix, radix, radix); |
2805 | } | |
2806 | } | |
2807 | ||
581e13c1 | 2808 | /* Show both the input and output radices. */ |
c906108c | 2809 | |
c906108c | 2810 | static void |
fba45db2 | 2811 | show_radix (char *arg, int from_tty) |
c906108c SS |
2812 | { |
2813 | if (from_tty) | |
2814 | { | |
2815 | if (input_radix == output_radix) | |
2816 | { | |
3e43a32a MS |
2817 | printf_filtered (_("Input and output radices set to " |
2818 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2819 | input_radix, input_radix, input_radix); |
2820 | } | |
2821 | else | |
2822 | { | |
3e43a32a MS |
2823 | printf_filtered (_("Input radix set to decimal " |
2824 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2825 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2826 | printf_filtered (_("Output radix set to decimal " |
2827 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2828 | output_radix, output_radix, output_radix); |
2829 | } | |
2830 | } | |
2831 | } | |
c906108c | 2832 | \f |
c5aa993b | 2833 | |
c906108c | 2834 | static void |
fba45db2 | 2835 | set_print (char *arg, int from_tty) |
c906108c SS |
2836 | { |
2837 | printf_unfiltered ( | |
c5aa993b | 2838 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
635c7e8a | 2839 | help_list (setprintlist, "set print ", all_commands, gdb_stdout); |
c906108c SS |
2840 | } |
2841 | ||
c906108c | 2842 | static void |
fba45db2 | 2843 | show_print (char *args, int from_tty) |
c906108c SS |
2844 | { |
2845 | cmd_show_list (showprintlist, from_tty, ""); | |
2846 | } | |
e7045703 DE |
2847 | |
2848 | static void | |
2849 | set_print_raw (char *arg, int from_tty) | |
2850 | { | |
2851 | printf_unfiltered ( | |
2852 | "\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n"); | |
635c7e8a | 2853 | help_list (setprintrawlist, "set print raw ", all_commands, gdb_stdout); |
e7045703 DE |
2854 | } |
2855 | ||
2856 | static void | |
2857 | show_print_raw (char *args, int from_tty) | |
2858 | { | |
2859 | cmd_show_list (showprintrawlist, from_tty, ""); | |
2860 | } | |
2861 | ||
c906108c SS |
2862 | \f |
2863 | void | |
fba45db2 | 2864 | _initialize_valprint (void) |
c906108c | 2865 | { |
c906108c | 2866 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 2867 | _("Generic command for setting how things print."), |
c906108c | 2868 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 2869 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 2870 | /* Prefer set print to set prompt. */ |
c906108c SS |
2871 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
2872 | ||
2873 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 2874 | _("Generic command for showing print settings."), |
c906108c | 2875 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
2876 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
2877 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 2878 | |
e7045703 DE |
2879 | add_prefix_cmd ("raw", no_class, set_print_raw, |
2880 | _("\ | |
2881 | Generic command for setting what things to print in \"raw\" mode."), | |
2882 | &setprintrawlist, "set print raw ", 0, &setprintlist); | |
2883 | add_prefix_cmd ("raw", no_class, show_print_raw, | |
2884 | _("Generic command for showing \"print raw\" settings."), | |
2885 | &showprintrawlist, "show print raw ", 0, &showprintlist); | |
2886 | ||
79a45b7d TT |
2887 | add_setshow_uinteger_cmd ("elements", no_class, |
2888 | &user_print_options.print_max, _("\ | |
35096d9d AC |
2889 | Set limit on string chars or array elements to print."), _("\ |
2890 | Show limit on string chars or array elements to print."), _("\ | |
f81d1120 | 2891 | \"set print elements unlimited\" causes there to be no limit."), |
35096d9d | 2892 | NULL, |
920d2a44 | 2893 | show_print_max, |
35096d9d | 2894 | &setprintlist, &showprintlist); |
c906108c | 2895 | |
79a45b7d TT |
2896 | add_setshow_boolean_cmd ("null-stop", no_class, |
2897 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
2898 | Set printing of char arrays to stop at first null char."), _("\ |
2899 | Show printing of char arrays to stop at first null char."), NULL, | |
2900 | NULL, | |
920d2a44 | 2901 | show_stop_print_at_null, |
5bf193a2 | 2902 | &setprintlist, &showprintlist); |
c906108c | 2903 | |
35096d9d | 2904 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 2905 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
2906 | Set threshold for repeated print elements."), _("\ |
2907 | Show threshold for repeated print elements."), _("\ | |
f81d1120 | 2908 | \"set print repeats unlimited\" causes all elements to be individually printed."), |
35096d9d | 2909 | NULL, |
920d2a44 | 2910 | show_repeat_count_threshold, |
35096d9d | 2911 | &setprintlist, &showprintlist); |
c906108c | 2912 | |
79a45b7d | 2913 | add_setshow_boolean_cmd ("pretty", class_support, |
2a998fc0 DE |
2914 | &user_print_options.prettyformat_structs, _("\ |
2915 | Set pretty formatting of structures."), _("\ | |
2916 | Show pretty formatting of structures."), NULL, | |
5bf193a2 | 2917 | NULL, |
2a998fc0 | 2918 | show_prettyformat_structs, |
5bf193a2 AC |
2919 | &setprintlist, &showprintlist); |
2920 | ||
79a45b7d TT |
2921 | add_setshow_boolean_cmd ("union", class_support, |
2922 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
2923 | Set printing of unions interior to structures."), _("\ |
2924 | Show printing of unions interior to structures."), NULL, | |
2925 | NULL, | |
920d2a44 | 2926 | show_unionprint, |
5bf193a2 AC |
2927 | &setprintlist, &showprintlist); |
2928 | ||
79a45b7d | 2929 | add_setshow_boolean_cmd ("array", class_support, |
2a998fc0 DE |
2930 | &user_print_options.prettyformat_arrays, _("\ |
2931 | Set pretty formatting of arrays."), _("\ | |
2932 | Show pretty formatting of arrays."), NULL, | |
5bf193a2 | 2933 | NULL, |
2a998fc0 | 2934 | show_prettyformat_arrays, |
5bf193a2 AC |
2935 | &setprintlist, &showprintlist); |
2936 | ||
79a45b7d TT |
2937 | add_setshow_boolean_cmd ("address", class_support, |
2938 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
2939 | Set printing of addresses."), _("\ |
2940 | Show printing of addresses."), NULL, | |
2941 | NULL, | |
920d2a44 | 2942 | show_addressprint, |
5bf193a2 | 2943 | &setprintlist, &showprintlist); |
c906108c | 2944 | |
9cb709b6 TT |
2945 | add_setshow_boolean_cmd ("symbol", class_support, |
2946 | &user_print_options.symbol_print, _("\ | |
2947 | Set printing of symbol names when printing pointers."), _("\ | |
2948 | Show printing of symbol names when printing pointers."), | |
2949 | NULL, NULL, | |
2950 | show_symbol_print, | |
2951 | &setprintlist, &showprintlist); | |
2952 | ||
1e8fb976 PA |
2953 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
2954 | _("\ | |
35096d9d AC |
2955 | Set default input radix for entering numbers."), _("\ |
2956 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
2957 | set_input_radix, |
2958 | show_input_radix, | |
2959 | &setlist, &showlist); | |
35096d9d | 2960 | |
1e8fb976 PA |
2961 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
2962 | _("\ | |
35096d9d AC |
2963 | Set default output radix for printing of values."), _("\ |
2964 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
2965 | set_output_radix, |
2966 | show_output_radix, | |
2967 | &setlist, &showlist); | |
c906108c | 2968 | |
cb1a6d5f AC |
2969 | /* The "set radix" and "show radix" commands are special in that |
2970 | they are like normal set and show commands but allow two normally | |
2971 | independent variables to be either set or shown with a single | |
b66df561 | 2972 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 2973 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
2974 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
2975 | longer true - show can display anything. */ | |
1a966eab AC |
2976 | add_cmd ("radix", class_support, set_radix, _("\ |
2977 | Set default input and output number radices.\n\ | |
c906108c | 2978 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 2979 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 2980 | &setlist); |
1a966eab AC |
2981 | add_cmd ("radix", class_support, show_radix, _("\ |
2982 | Show the default input and output number radices.\n\ | |
2983 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
2984 | &showlist); |
2985 | ||
e79af960 | 2986 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 2987 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
2988 | Set printing of array indexes."), _("\ |
2989 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
2990 | &setprintlist, &showprintlist); | |
c906108c | 2991 | } |