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 TT |
276 | { |
277 | CHECK_TYPEDEF (type); | |
278 | while (TYPE_CODE (type) == TYPE_CODE_REF) | |
279 | { | |
280 | type = TYPE_TARGET_TYPE (type); | |
281 | CHECK_TYPEDEF (type); | |
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 | { | |
304 | CHECK_TYPEDEF (type); | |
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 | ||
e88acd96 TT |
362 | /* A generic val_print that is suitable for use by language |
363 | implementations of the la_val_print method. This function can | |
364 | handle most type codes, though not all, notably exception | |
365 | TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by | |
366 | the caller. | |
367 | ||
368 | Most arguments are as to val_print. | |
369 | ||
370 | The additional DECORATIONS argument can be used to customize the | |
371 | output in some small, language-specific ways. */ | |
372 | ||
373 | void | |
374 | generic_val_print (struct type *type, const gdb_byte *valaddr, | |
375 | int embedded_offset, CORE_ADDR address, | |
376 | struct ui_file *stream, int recurse, | |
377 | const struct value *original_value, | |
378 | const struct value_print_options *options, | |
379 | const struct generic_val_print_decorations *decorations) | |
380 | { | |
381 | struct gdbarch *gdbarch = get_type_arch (type); | |
e88acd96 TT |
382 | unsigned int i = 0; /* Number of characters printed. */ |
383 | unsigned len; | |
384 | struct type *elttype, *unresolved_elttype; | |
385 | struct type *unresolved_type = type; | |
e88acd96 TT |
386 | LONGEST val; |
387 | CORE_ADDR addr; | |
388 | ||
389 | CHECK_TYPEDEF (type); | |
390 | switch (TYPE_CODE (type)) | |
391 | { | |
392 | case TYPE_CODE_ARRAY: | |
393 | unresolved_elttype = TYPE_TARGET_TYPE (type); | |
394 | elttype = check_typedef (unresolved_elttype); | |
395 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
396 | { | |
397 | LONGEST low_bound, high_bound; | |
398 | ||
399 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
400 | error (_("Could not determine the array high bound")); | |
401 | ||
2a998fc0 | 402 | if (options->prettyformat_arrays) |
e88acd96 TT |
403 | { |
404 | print_spaces_filtered (2 + 2 * recurse, stream); | |
405 | } | |
406 | ||
407 | fprintf_filtered (stream, "{"); | |
408 | val_print_array_elements (type, valaddr, embedded_offset, | |
409 | address, stream, | |
410 | recurse, original_value, options, 0); | |
411 | fprintf_filtered (stream, "}"); | |
412 | break; | |
413 | } | |
414 | /* Array of unspecified length: treat like pointer to first | |
415 | elt. */ | |
416 | addr = address + embedded_offset; | |
417 | goto print_unpacked_pointer; | |
418 | ||
419 | case TYPE_CODE_MEMBERPTR: | |
420 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
421 | original_value, options, 0, stream); | |
422 | break; | |
423 | ||
424 | case TYPE_CODE_PTR: | |
425 | if (options->format && options->format != 's') | |
426 | { | |
427 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
428 | original_value, options, 0, stream); | |
429 | break; | |
430 | } | |
431 | unresolved_elttype = TYPE_TARGET_TYPE (type); | |
432 | elttype = check_typedef (unresolved_elttype); | |
433 | { | |
434 | addr = unpack_pointer (type, valaddr + embedded_offset); | |
435 | print_unpacked_pointer: | |
436 | ||
437 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
438 | { | |
439 | /* Try to print what function it points to. */ | |
edf0c1b7 | 440 | print_function_pointer_address (options, gdbarch, addr, stream); |
e88acd96 TT |
441 | return; |
442 | } | |
443 | ||
9cb709b6 TT |
444 | if (options->symbol_print) |
445 | print_address_demangle (options, gdbarch, addr, stream, demangle); | |
446 | else if (options->addressprint) | |
e88acd96 TT |
447 | fputs_filtered (paddress (gdbarch, addr), stream); |
448 | } | |
449 | break; | |
450 | ||
451 | case TYPE_CODE_REF: | |
452 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
453 | if (options->addressprint) | |
454 | { | |
455 | CORE_ADDR addr | |
456 | = extract_typed_address (valaddr + embedded_offset, type); | |
457 | ||
458 | fprintf_filtered (stream, "@"); | |
459 | fputs_filtered (paddress (gdbarch, addr), stream); | |
460 | if (options->deref_ref) | |
461 | fputs_filtered (": ", stream); | |
462 | } | |
463 | /* De-reference the reference. */ | |
464 | if (options->deref_ref) | |
465 | { | |
466 | if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) | |
467 | { | |
468 | struct value *deref_val; | |
469 | ||
470 | deref_val = coerce_ref_if_computed (original_value); | |
471 | if (deref_val != NULL) | |
472 | { | |
473 | /* More complicated computed references are not supported. */ | |
474 | gdb_assert (embedded_offset == 0); | |
475 | } | |
476 | else | |
477 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
478 | unpack_pointer (type, | |
479 | (valaddr | |
480 | + embedded_offset))); | |
481 | ||
482 | common_val_print (deref_val, stream, recurse, options, | |
483 | current_language); | |
484 | } | |
485 | else | |
486 | fputs_filtered ("???", stream); | |
487 | } | |
488 | break; | |
489 | ||
490 | case TYPE_CODE_ENUM: | |
491 | if (options->format) | |
492 | { | |
493 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
494 | original_value, options, 0, stream); | |
495 | break; | |
496 | } | |
497 | len = TYPE_NFIELDS (type); | |
498 | val = unpack_long (type, valaddr + embedded_offset); | |
499 | for (i = 0; i < len; i++) | |
500 | { | |
501 | QUIT; | |
14e75d8e | 502 | if (val == TYPE_FIELD_ENUMVAL (type, i)) |
e88acd96 TT |
503 | { |
504 | break; | |
505 | } | |
506 | } | |
507 | if (i < len) | |
508 | { | |
509 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
510 | } | |
511 | else if (TYPE_FLAG_ENUM (type)) | |
512 | { | |
513 | int first = 1; | |
514 | ||
515 | /* We have a "flag" enum, so we try to decompose it into | |
516 | pieces as appropriate. A flag enum has disjoint | |
517 | constants by definition. */ | |
518 | fputs_filtered ("(", stream); | |
519 | for (i = 0; i < len; ++i) | |
520 | { | |
521 | QUIT; | |
522 | ||
14e75d8e | 523 | if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0) |
e88acd96 TT |
524 | { |
525 | if (!first) | |
526 | fputs_filtered (" | ", stream); | |
527 | first = 0; | |
528 | ||
14e75d8e | 529 | val &= ~TYPE_FIELD_ENUMVAL (type, i); |
e88acd96 TT |
530 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
531 | } | |
532 | } | |
533 | ||
534 | if (first || val != 0) | |
535 | { | |
536 | if (!first) | |
537 | fputs_filtered (" | ", stream); | |
538 | fputs_filtered ("unknown: ", stream); | |
539 | print_longest (stream, 'd', 0, val); | |
540 | } | |
541 | ||
542 | fputs_filtered (")", stream); | |
543 | } | |
544 | else | |
545 | print_longest (stream, 'd', 0, val); | |
546 | break; | |
547 | ||
548 | case TYPE_CODE_FLAGS: | |
549 | if (options->format) | |
550 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
551 | original_value, options, 0, stream); | |
552 | else | |
553 | val_print_type_code_flags (type, valaddr + embedded_offset, | |
554 | stream); | |
555 | break; | |
556 | ||
557 | case TYPE_CODE_FUNC: | |
558 | case TYPE_CODE_METHOD: | |
559 | if (options->format) | |
560 | { | |
561 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
562 | original_value, options, 0, stream); | |
563 | break; | |
564 | } | |
565 | /* FIXME, we should consider, at least for ANSI C language, | |
566 | eliminating the distinction made between FUNCs and POINTERs | |
567 | to FUNCs. */ | |
568 | fprintf_filtered (stream, "{"); | |
569 | type_print (type, "", stream, -1); | |
570 | fprintf_filtered (stream, "} "); | |
571 | /* Try to print what function it points to, and its address. */ | |
edf0c1b7 | 572 | print_address_demangle (options, gdbarch, address, stream, demangle); |
e88acd96 TT |
573 | break; |
574 | ||
575 | case TYPE_CODE_BOOL: | |
576 | if (options->format || options->output_format) | |
577 | { | |
578 | struct value_print_options opts = *options; | |
579 | opts.format = (options->format ? options->format | |
580 | : options->output_format); | |
581 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
582 | original_value, &opts, 0, stream); | |
583 | } | |
584 | else | |
585 | { | |
586 | val = unpack_long (type, valaddr + embedded_offset); | |
587 | if (val == 0) | |
588 | fputs_filtered (decorations->false_name, stream); | |
589 | else if (val == 1) | |
590 | fputs_filtered (decorations->true_name, stream); | |
591 | else | |
592 | print_longest (stream, 'd', 0, val); | |
593 | } | |
594 | break; | |
595 | ||
596 | case TYPE_CODE_RANGE: | |
0c9c3474 | 597 | /* FIXME: create_static_range_type does not set the unsigned bit in a |
e88acd96 TT |
598 | range type (I think it probably should copy it from the |
599 | target type), so we won't print values which are too large to | |
600 | fit in a signed integer correctly. */ | |
601 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
602 | print with the target type, though, because the size of our | |
603 | type and the target type might differ). */ | |
604 | ||
605 | /* FALLTHROUGH */ | |
606 | ||
607 | case TYPE_CODE_INT: | |
608 | if (options->format || options->output_format) | |
609 | { | |
610 | struct value_print_options opts = *options; | |
611 | ||
612 | opts.format = (options->format ? options->format | |
613 | : options->output_format); | |
614 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
615 | original_value, &opts, 0, stream); | |
616 | } | |
617 | else | |
618 | val_print_type_code_int (type, valaddr + embedded_offset, stream); | |
619 | break; | |
620 | ||
621 | case TYPE_CODE_CHAR: | |
622 | if (options->format || options->output_format) | |
623 | { | |
624 | struct value_print_options opts = *options; | |
625 | ||
626 | opts.format = (options->format ? options->format | |
627 | : options->output_format); | |
628 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
629 | original_value, &opts, 0, stream); | |
630 | } | |
631 | else | |
632 | { | |
633 | val = unpack_long (type, valaddr + embedded_offset); | |
634 | if (TYPE_UNSIGNED (type)) | |
635 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
636 | else | |
637 | fprintf_filtered (stream, "%d", (int) val); | |
638 | fputs_filtered (" ", stream); | |
639 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
640 | } | |
641 | break; | |
642 | ||
643 | case TYPE_CODE_FLT: | |
644 | if (options->format) | |
645 | { | |
646 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
647 | original_value, options, 0, stream); | |
648 | } | |
649 | else | |
650 | { | |
651 | print_floating (valaddr + embedded_offset, type, stream); | |
652 | } | |
653 | break; | |
654 | ||
655 | case TYPE_CODE_DECFLOAT: | |
656 | if (options->format) | |
657 | val_print_scalar_formatted (type, valaddr, embedded_offset, | |
658 | original_value, options, 0, stream); | |
659 | else | |
660 | print_decimal_floating (valaddr + embedded_offset, | |
661 | type, stream); | |
662 | break; | |
663 | ||
664 | case TYPE_CODE_VOID: | |
665 | fputs_filtered (decorations->void_name, stream); | |
666 | break; | |
667 | ||
668 | case TYPE_CODE_ERROR: | |
669 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
670 | break; | |
671 | ||
672 | case TYPE_CODE_UNDEF: | |
673 | /* This happens (without TYPE_FLAG_STUB set) on systems which | |
674 | don't use dbx xrefs (NO_DBX_XREFS in gcc) if a file has a | |
675 | "struct foo *bar" and no complete type for struct foo in that | |
676 | file. */ | |
677 | fprintf_filtered (stream, _("<incomplete type>")); | |
678 | break; | |
679 | ||
680 | case TYPE_CODE_COMPLEX: | |
681 | fprintf_filtered (stream, "%s", decorations->complex_prefix); | |
682 | if (options->format) | |
683 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), | |
684 | valaddr, embedded_offset, | |
685 | original_value, options, 0, stream); | |
686 | else | |
687 | print_floating (valaddr + embedded_offset, | |
688 | TYPE_TARGET_TYPE (type), | |
689 | stream); | |
690 | fprintf_filtered (stream, "%s", decorations->complex_infix); | |
691 | if (options->format) | |
692 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), | |
693 | valaddr, | |
694 | embedded_offset | |
695 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
696 | original_value, | |
697 | options, 0, stream); | |
698 | else | |
699 | print_floating (valaddr + embedded_offset | |
700 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
701 | TYPE_TARGET_TYPE (type), | |
702 | stream); | |
703 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
704 | break; | |
705 | ||
706 | case TYPE_CODE_UNION: | |
707 | case TYPE_CODE_STRUCT: | |
708 | case TYPE_CODE_METHODPTR: | |
709 | default: | |
710 | error (_("Unhandled type code %d in symbol table."), | |
711 | TYPE_CODE (type)); | |
712 | } | |
713 | gdb_flush (stream); | |
714 | } | |
715 | ||
32b72a42 PA |
716 | /* Print using the given LANGUAGE the data of type TYPE located at |
717 | VALADDR + EMBEDDED_OFFSET (within GDB), which came from the | |
718 | inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream | |
719 | STREAM according to OPTIONS. VAL is the whole object that came | |
720 | from ADDRESS. VALADDR must point to the head of VAL's contents | |
721 | buffer. | |
722 | ||
723 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
724 | further helper subroutines as subfields of TYPE are printed. In | |
725 | such cases, VALADDR is passed down unadjusted, as well as VAL, so | |
726 | that VAL can be queried for metadata about the contents data being | |
727 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
728 | buffer. For example: "has this field been optimized out", or "I'm | |
729 | printing an object while inspecting a traceframe; has this | |
730 | particular piece of data been collected?". | |
731 | ||
732 | RECURSE indicates the amount of indentation to supply before | |
733 | continuation lines; this amount is roughly twice the value of | |
35c0084b | 734 | RECURSE. */ |
32b72a42 | 735 | |
35c0084b | 736 | void |
fc1a4b47 | 737 | val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 738 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 739 | const struct value *val, |
79a45b7d | 740 | const struct value_print_options *options, |
d8ca156b | 741 | const struct language_defn *language) |
c906108c | 742 | { |
19ca80ba | 743 | int ret = 0; |
79a45b7d | 744 | struct value_print_options local_opts = *options; |
c906108c | 745 | struct type *real_type = check_typedef (type); |
79a45b7d | 746 | |
2a998fc0 DE |
747 | if (local_opts.prettyformat == Val_prettyformat_default) |
748 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
749 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 750 | |
c906108c SS |
751 | QUIT; |
752 | ||
753 | /* Ensure that the type is complete and not just a stub. If the type is | |
754 | only a stub and we can't find and substitute its complete type, then | |
755 | print appropriate string and return. */ | |
756 | ||
74a9bb82 | 757 | if (TYPE_STUB (real_type)) |
c906108c | 758 | { |
0e03807e | 759 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c | 760 | gdb_flush (stream); |
35c0084b | 761 | return; |
c906108c | 762 | } |
c5aa993b | 763 | |
0e03807e | 764 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
35c0084b | 765 | return; |
0e03807e | 766 | |
a6bac58e TT |
767 | if (!options->raw) |
768 | { | |
6dddc817 DE |
769 | ret = apply_ext_lang_val_pretty_printer (type, valaddr, embedded_offset, |
770 | address, stream, recurse, | |
771 | val, options, language); | |
a6bac58e | 772 | if (ret) |
35c0084b | 773 | return; |
a6bac58e TT |
774 | } |
775 | ||
776 | /* Handle summary mode. If the value is a scalar, print it; | |
777 | otherwise, print an ellipsis. */ | |
6211c335 | 778 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
779 | { |
780 | fprintf_filtered (stream, "..."); | |
35c0084b | 781 | return; |
a6bac58e TT |
782 | } |
783 | ||
492d29ea | 784 | TRY |
19ca80ba | 785 | { |
d3eab38a TT |
786 | language->la_val_print (type, valaddr, embedded_offset, address, |
787 | stream, recurse, val, | |
788 | &local_opts); | |
19ca80ba | 789 | } |
492d29ea PA |
790 | CATCH (except, RETURN_MASK_ERROR) |
791 | { | |
792 | fprintf_filtered (stream, _("<error reading variable>")); | |
793 | } | |
794 | END_CATCH | |
c906108c SS |
795 | } |
796 | ||
806048c6 | 797 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
798 | return 0 and print an appropriate error message to STREAM according to |
799 | OPTIONS if it is not. */ | |
c906108c | 800 | |
806048c6 | 801 | static int |
6501578c YQ |
802 | value_check_printable (struct value *val, struct ui_file *stream, |
803 | const struct value_print_options *options) | |
c906108c SS |
804 | { |
805 | if (val == 0) | |
806 | { | |
806048c6 | 807 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
808 | return 0; |
809 | } | |
806048c6 | 810 | |
0e03807e | 811 | if (value_entirely_optimized_out (val)) |
c906108c | 812 | { |
6211c335 | 813 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
814 | fprintf_filtered (stream, "..."); |
815 | else | |
901461f8 | 816 | val_print_optimized_out (val, stream); |
c906108c SS |
817 | return 0; |
818 | } | |
806048c6 | 819 | |
eebc056c AB |
820 | if (value_entirely_unavailable (val)) |
821 | { | |
822 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
823 | fprintf_filtered (stream, "..."); | |
824 | else | |
825 | val_print_unavailable (stream); | |
826 | return 0; | |
827 | } | |
828 | ||
bc3b79fd TJB |
829 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
830 | { | |
831 | fprintf_filtered (stream, _("<internal function %s>"), | |
832 | value_internal_function_name (val)); | |
833 | return 0; | |
834 | } | |
835 | ||
806048c6 DJ |
836 | return 1; |
837 | } | |
838 | ||
d8ca156b | 839 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 840 | to OPTIONS. |
806048c6 | 841 | |
806048c6 DJ |
842 | This is a preferable interface to val_print, above, because it uses |
843 | GDB's value mechanism. */ | |
844 | ||
a1f5dd1b | 845 | void |
79a45b7d TT |
846 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
847 | const struct value_print_options *options, | |
d8ca156b | 848 | const struct language_defn *language) |
806048c6 | 849 | { |
6501578c | 850 | if (!value_check_printable (val, stream, options)) |
a1f5dd1b | 851 | return; |
806048c6 | 852 | |
0c3acc09 JB |
853 | if (language->la_language == language_ada) |
854 | /* The value might have a dynamic type, which would cause trouble | |
855 | below when trying to extract the value contents (since the value | |
856 | size is determined from the type size which is unknown). So | |
857 | get a fixed representation of our value. */ | |
858 | val = ada_to_fixed_value (val); | |
859 | ||
a1f5dd1b TT |
860 | val_print (value_type (val), value_contents_for_printing (val), |
861 | value_embedded_offset (val), value_address (val), | |
862 | stream, recurse, | |
863 | val, options, language); | |
806048c6 DJ |
864 | } |
865 | ||
7348c5e1 | 866 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 867 | is printed using the current_language syntax. */ |
7348c5e1 | 868 | |
8e069a98 | 869 | void |
79a45b7d TT |
870 | value_print (struct value *val, struct ui_file *stream, |
871 | const struct value_print_options *options) | |
806048c6 | 872 | { |
6501578c | 873 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 874 | return; |
806048c6 | 875 | |
a6bac58e TT |
876 | if (!options->raw) |
877 | { | |
6dddc817 DE |
878 | int r |
879 | = apply_ext_lang_val_pretty_printer (value_type (val), | |
880 | value_contents_for_printing (val), | |
881 | value_embedded_offset (val), | |
882 | value_address (val), | |
883 | stream, 0, | |
884 | val, options, current_language); | |
a109c7c1 | 885 | |
a6bac58e | 886 | if (r) |
8e069a98 | 887 | return; |
a6bac58e TT |
888 | } |
889 | ||
8e069a98 | 890 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
891 | } |
892 | ||
893 | /* Called by various <lang>_val_print routines to print | |
894 | TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the | |
895 | value. STREAM is where to print the value. */ | |
896 | ||
897 | void | |
fc1a4b47 | 898 | val_print_type_code_int (struct type *type, const gdb_byte *valaddr, |
fba45db2 | 899 | struct ui_file *stream) |
c906108c | 900 | { |
50810684 | 901 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
d44e8473 | 902 | |
c906108c SS |
903 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
904 | { | |
905 | LONGEST val; | |
906 | ||
907 | if (TYPE_UNSIGNED (type) | |
908 | && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type), | |
e17a4113 | 909 | byte_order, &val)) |
c906108c SS |
910 | { |
911 | print_longest (stream, 'u', 0, val); | |
912 | } | |
913 | else | |
914 | { | |
915 | /* Signed, or we couldn't turn an unsigned value into a | |
916 | LONGEST. For signed values, one could assume two's | |
917 | complement (a reasonable assumption, I think) and do | |
918 | better than this. */ | |
919 | print_hex_chars (stream, (unsigned char *) valaddr, | |
d44e8473 | 920 | TYPE_LENGTH (type), byte_order); |
c906108c SS |
921 | } |
922 | } | |
923 | else | |
924 | { | |
c906108c SS |
925 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, |
926 | unpack_long (type, valaddr)); | |
c906108c SS |
927 | } |
928 | } | |
929 | ||
4f2aea11 MK |
930 | void |
931 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, | |
932 | struct ui_file *stream) | |
933 | { | |
befae759 | 934 | ULONGEST val = unpack_long (type, valaddr); |
4f2aea11 MK |
935 | int bitpos, nfields = TYPE_NFIELDS (type); |
936 | ||
937 | fputs_filtered ("[ ", stream); | |
938 | for (bitpos = 0; bitpos < nfields; bitpos++) | |
939 | { | |
316703b9 MK |
940 | if (TYPE_FIELD_BITPOS (type, bitpos) != -1 |
941 | && (val & ((ULONGEST)1 << bitpos))) | |
4f2aea11 MK |
942 | { |
943 | if (TYPE_FIELD_NAME (type, bitpos)) | |
944 | fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos)); | |
945 | else | |
946 | fprintf_filtered (stream, "#%d ", bitpos); | |
947 | } | |
948 | } | |
949 | fputs_filtered ("]", stream); | |
19c37f24 | 950 | } |
ab2188aa PA |
951 | |
952 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
953 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
954 | at this level. | |
955 | ||
956 | This is how the elements of an array or structure are printed | |
957 | with a format. */ | |
ab2188aa PA |
958 | |
959 | void | |
960 | val_print_scalar_formatted (struct type *type, | |
961 | const gdb_byte *valaddr, int embedded_offset, | |
962 | const struct value *val, | |
963 | const struct value_print_options *options, | |
964 | int size, | |
965 | struct ui_file *stream) | |
966 | { | |
967 | gdb_assert (val != NULL); | |
968 | gdb_assert (valaddr == value_contents_for_printing_const (val)); | |
969 | ||
970 | /* If we get here with a string format, try again without it. Go | |
971 | all the way back to the language printers, which may call us | |
972 | again. */ | |
973 | if (options->format == 's') | |
974 | { | |
975 | struct value_print_options opts = *options; | |
976 | opts.format = 0; | |
977 | opts.deref_ref = 0; | |
978 | val_print (type, valaddr, embedded_offset, 0, stream, 0, val, &opts, | |
979 | current_language); | |
980 | return; | |
981 | } | |
982 | ||
983 | /* A scalar object that does not have all bits available can't be | |
984 | printed, because all bits contribute to its representation. */ | |
9a0dc9e3 PA |
985 | if (value_bits_any_optimized_out (val, |
986 | TARGET_CHAR_BIT * embedded_offset, | |
987 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
901461f8 | 988 | val_print_optimized_out (val, stream); |
4e07d55f PA |
989 | else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) |
990 | val_print_unavailable (stream); | |
ab2188aa PA |
991 | else |
992 | print_scalar_formatted (valaddr + embedded_offset, type, | |
993 | options, size, stream); | |
4f2aea11 MK |
994 | } |
995 | ||
c906108c SS |
996 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
997 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 998 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 999 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1000 | format. |
bb599908 PH |
1001 | |
1002 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1003 | 'o' and 'x' format do not include the standard C radix prefix | |
1004 | (leading 0 or 0x). | |
1005 | ||
1006 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
1007 | and was intended to request formating according to the current | |
1008 | language and would be used for most integers that GDB prints. The | |
1009 | exceptional cases were things like protocols where the format of | |
1010 | the integer is a protocol thing, not a user-visible thing). The | |
1011 | parameter remains to preserve the information of what things might | |
1012 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1013 | that capability. */ |
c906108c SS |
1014 | |
1015 | void | |
bb599908 | 1016 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1017 | LONGEST val_long) |
c906108c | 1018 | { |
2bfb72ee AC |
1019 | const char *val; |
1020 | ||
c906108c SS |
1021 | switch (format) |
1022 | { | |
1023 | case 'd': | |
bb599908 | 1024 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1025 | case 'u': |
bb599908 | 1026 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1027 | case 'x': |
bb599908 | 1028 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1029 | case 'b': |
bb599908 | 1030 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1031 | case 'h': |
bb599908 | 1032 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1033 | case 'w': |
bb599908 | 1034 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1035 | case 'g': |
bb599908 | 1036 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1037 | break; |
1038 | case 'o': | |
bb599908 | 1039 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1040 | default: |
3e43a32a MS |
1041 | internal_error (__FILE__, __LINE__, |
1042 | _("failed internal consistency check")); | |
bb599908 | 1043 | } |
2bfb72ee | 1044 | fputs_filtered (val, stream); |
c906108c SS |
1045 | } |
1046 | ||
c906108c SS |
1047 | /* This used to be a macro, but I don't think it is called often enough |
1048 | to merit such treatment. */ | |
1049 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1050 | arguments to a function, number in a value history, register number, etc.) | |
1051 | where the value must not be larger than can fit in an int. */ | |
1052 | ||
1053 | int | |
fba45db2 | 1054 | longest_to_int (LONGEST arg) |
c906108c | 1055 | { |
581e13c1 | 1056 | /* Let the compiler do the work. */ |
c906108c SS |
1057 | int rtnval = (int) arg; |
1058 | ||
581e13c1 | 1059 | /* Check for overflows or underflows. */ |
c906108c SS |
1060 | if (sizeof (LONGEST) > sizeof (int)) |
1061 | { | |
1062 | if (rtnval != arg) | |
1063 | { | |
8a3fe4f8 | 1064 | error (_("Value out of range.")); |
c906108c SS |
1065 | } |
1066 | } | |
1067 | return (rtnval); | |
1068 | } | |
1069 | ||
a73c86fb AC |
1070 | /* Print a floating point value of type TYPE (not always a |
1071 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1072 | |
1073 | void | |
fc1a4b47 | 1074 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1075 | struct ui_file *stream) |
c906108c SS |
1076 | { |
1077 | DOUBLEST doub; | |
1078 | int inv; | |
a73c86fb | 1079 | const struct floatformat *fmt = NULL; |
c906108c | 1080 | unsigned len = TYPE_LENGTH (type); |
20389057 | 1081 | enum float_kind kind; |
c5aa993b | 1082 | |
a73c86fb AC |
1083 | /* If it is a floating-point, check for obvious problems. */ |
1084 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
1085 | fmt = floatformat_from_type (type); | |
20389057 | 1086 | if (fmt != NULL) |
39424bef | 1087 | { |
20389057 DJ |
1088 | kind = floatformat_classify (fmt, valaddr); |
1089 | if (kind == float_nan) | |
1090 | { | |
1091 | if (floatformat_is_negative (fmt, valaddr)) | |
1092 | fprintf_filtered (stream, "-"); | |
1093 | fprintf_filtered (stream, "nan("); | |
1094 | fputs_filtered ("0x", stream); | |
1095 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
1096 | fprintf_filtered (stream, ")"); | |
1097 | return; | |
1098 | } | |
1099 | else if (kind == float_infinite) | |
1100 | { | |
1101 | if (floatformat_is_negative (fmt, valaddr)) | |
1102 | fputs_filtered ("-", stream); | |
1103 | fputs_filtered ("inf", stream); | |
1104 | return; | |
1105 | } | |
7355ddba | 1106 | } |
c906108c | 1107 | |
a73c86fb AC |
1108 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
1109 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
1110 | needs to be used as that takes care of any necessary type | |
1111 | conversions. Such conversions are of course direct to DOUBLEST | |
1112 | and disregard any possible target floating point limitations. | |
1113 | For instance, a u64 would be converted and displayed exactly on a | |
1114 | host with 80 bit DOUBLEST but with loss of information on a host | |
1115 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 1116 | |
c906108c SS |
1117 | doub = unpack_double (type, valaddr, &inv); |
1118 | if (inv) | |
1119 | { | |
1120 | fprintf_filtered (stream, "<invalid float value>"); | |
1121 | return; | |
1122 | } | |
1123 | ||
39424bef MK |
1124 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
1125 | assumptions about the host and target floating point format. */ | |
1126 | ||
a73c86fb | 1127 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 1128 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
1129 | instead uses the type's length to determine the precision of the |
1130 | floating-point value being printed. */ | |
c2f05ac9 | 1131 | |
c906108c | 1132 | if (len < sizeof (double)) |
c5aa993b | 1133 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 1134 | else if (len == sizeof (double)) |
c5aa993b | 1135 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
1136 | else |
1137 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
1138 | fprintf_filtered (stream, "%.35Lg", doub); | |
1139 | #else | |
39424bef MK |
1140 | /* This at least wins with values that are representable as |
1141 | doubles. */ | |
c906108c SS |
1142 | fprintf_filtered (stream, "%.17g", (double) doub); |
1143 | #endif | |
1144 | } | |
1145 | ||
7678ef8f TJB |
1146 | void |
1147 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
1148 | struct ui_file *stream) | |
1149 | { | |
e17a4113 | 1150 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
1151 | char decstr[MAX_DECIMAL_STRING]; |
1152 | unsigned len = TYPE_LENGTH (type); | |
1153 | ||
e17a4113 | 1154 | decimal_to_string (valaddr, len, byte_order, decstr); |
7678ef8f TJB |
1155 | fputs_filtered (decstr, stream); |
1156 | return; | |
1157 | } | |
1158 | ||
c5aa993b | 1159 | void |
fc1a4b47 | 1160 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1161 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
1162 | { |
1163 | ||
1164 | #define BITS_IN_BYTES 8 | |
1165 | ||
fc1a4b47 | 1166 | const gdb_byte *p; |
745b8ca0 | 1167 | unsigned int i; |
c5aa993b | 1168 | int b; |
c906108c SS |
1169 | |
1170 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1171 | This ensures that right shift will shift in zeros. */ |
1172 | ||
c5aa993b | 1173 | const int mask = 0x080; |
c906108c SS |
1174 | |
1175 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1176 | ||
d44e8473 | 1177 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1178 | { |
1179 | for (p = valaddr; | |
1180 | p < valaddr + len; | |
1181 | p++) | |
1182 | { | |
c5aa993b | 1183 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1184 | and print from the MSB end. */ |
1185 | ||
c5aa993b JM |
1186 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
1187 | { | |
1188 | if (*p & (mask >> i)) | |
1189 | b = 1; | |
1190 | else | |
1191 | b = 0; | |
1192 | ||
1193 | fprintf_filtered (stream, "%1d", b); | |
1194 | } | |
c906108c SS |
1195 | } |
1196 | } | |
1197 | else | |
1198 | { | |
1199 | for (p = valaddr + len - 1; | |
1200 | p >= valaddr; | |
1201 | p--) | |
1202 | { | |
c5aa993b JM |
1203 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
1204 | { | |
1205 | if (*p & (mask >> i)) | |
1206 | b = 1; | |
1207 | else | |
1208 | b = 0; | |
1209 | ||
1210 | fprintf_filtered (stream, "%1d", b); | |
1211 | } | |
c906108c SS |
1212 | } |
1213 | } | |
c906108c SS |
1214 | } |
1215 | ||
1216 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1217 | Print it in octal on stream or format it in buf. */ |
1218 | ||
c906108c | 1219 | void |
fc1a4b47 | 1220 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1221 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1222 | { |
fc1a4b47 | 1223 | const gdb_byte *p; |
c906108c | 1224 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1225 | int cycle; |
1226 | ||
c906108c SS |
1227 | /* FIXME: We should be not printing leading zeroes in most cases. */ |
1228 | ||
1229 | ||
1230 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track | |
1231 | * the extra bits, which cycle every three bytes: | |
1232 | * | |
1233 | * Byte side: 0 1 2 3 | |
1234 | * | | | | | |
1235 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1236 | * | |
1237 | * Octal side: 0 1 carry 3 4 carry ... | |
1238 | * | |
1239 | * Cycle number: 0 1 2 | |
1240 | * | |
1241 | * But of course we are printing from the high side, so we have to | |
1242 | * figure out where in the cycle we are so that we end up with no | |
1243 | * left over bits at the end. | |
1244 | */ | |
1245 | #define BITS_IN_OCTAL 3 | |
1246 | #define HIGH_ZERO 0340 | |
1247 | #define LOW_ZERO 0016 | |
1248 | #define CARRY_ZERO 0003 | |
1249 | #define HIGH_ONE 0200 | |
1250 | #define MID_ONE 0160 | |
1251 | #define LOW_ONE 0016 | |
1252 | #define CARRY_ONE 0001 | |
1253 | #define HIGH_TWO 0300 | |
1254 | #define MID_TWO 0070 | |
1255 | #define LOW_TWO 0007 | |
1256 | ||
1257 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1258 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1259 | ||
c906108c SS |
1260 | cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL; |
1261 | carry = 0; | |
c5aa993b | 1262 | |
bb599908 | 1263 | fputs_filtered ("0", stream); |
d44e8473 | 1264 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1265 | { |
1266 | for (p = valaddr; | |
1267 | p < valaddr + len; | |
1268 | p++) | |
1269 | { | |
c5aa993b JM |
1270 | switch (cycle) |
1271 | { | |
1272 | case 0: | |
581e13c1 MS |
1273 | /* No carry in, carry out two bits. */ |
1274 | ||
c5aa993b JM |
1275 | octa1 = (HIGH_ZERO & *p) >> 5; |
1276 | octa2 = (LOW_ZERO & *p) >> 2; | |
1277 | carry = (CARRY_ZERO & *p); | |
1278 | fprintf_filtered (stream, "%o", octa1); | |
1279 | fprintf_filtered (stream, "%o", octa2); | |
1280 | break; | |
1281 | ||
1282 | case 1: | |
581e13c1 MS |
1283 | /* Carry in two bits, carry out one bit. */ |
1284 | ||
c5aa993b JM |
1285 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1286 | octa2 = (MID_ONE & *p) >> 4; | |
1287 | octa3 = (LOW_ONE & *p) >> 1; | |
1288 | carry = (CARRY_ONE & *p); | |
1289 | fprintf_filtered (stream, "%o", octa1); | |
1290 | fprintf_filtered (stream, "%o", octa2); | |
1291 | fprintf_filtered (stream, "%o", octa3); | |
1292 | break; | |
1293 | ||
1294 | case 2: | |
581e13c1 MS |
1295 | /* Carry in one bit, no carry out. */ |
1296 | ||
c5aa993b JM |
1297 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1298 | octa2 = (MID_TWO & *p) >> 3; | |
1299 | octa3 = (LOW_TWO & *p); | |
1300 | carry = 0; | |
1301 | fprintf_filtered (stream, "%o", octa1); | |
1302 | fprintf_filtered (stream, "%o", octa2); | |
1303 | fprintf_filtered (stream, "%o", octa3); | |
1304 | break; | |
1305 | ||
1306 | default: | |
8a3fe4f8 | 1307 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1308 | } |
1309 | ||
1310 | cycle++; | |
1311 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1312 | } |
1313 | } | |
1314 | else | |
1315 | { | |
1316 | for (p = valaddr + len - 1; | |
1317 | p >= valaddr; | |
1318 | p--) | |
1319 | { | |
c5aa993b JM |
1320 | switch (cycle) |
1321 | { | |
1322 | case 0: | |
1323 | /* Carry out, no carry in */ | |
581e13c1 | 1324 | |
c5aa993b JM |
1325 | octa1 = (HIGH_ZERO & *p) >> 5; |
1326 | octa2 = (LOW_ZERO & *p) >> 2; | |
1327 | carry = (CARRY_ZERO & *p); | |
1328 | fprintf_filtered (stream, "%o", octa1); | |
1329 | fprintf_filtered (stream, "%o", octa2); | |
1330 | break; | |
1331 | ||
1332 | case 1: | |
1333 | /* Carry in, carry out */ | |
581e13c1 | 1334 | |
c5aa993b JM |
1335 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1336 | octa2 = (MID_ONE & *p) >> 4; | |
1337 | octa3 = (LOW_ONE & *p) >> 1; | |
1338 | carry = (CARRY_ONE & *p); | |
1339 | fprintf_filtered (stream, "%o", octa1); | |
1340 | fprintf_filtered (stream, "%o", octa2); | |
1341 | fprintf_filtered (stream, "%o", octa3); | |
1342 | break; | |
1343 | ||
1344 | case 2: | |
1345 | /* Carry in, no carry out */ | |
581e13c1 | 1346 | |
c5aa993b JM |
1347 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1348 | octa2 = (MID_TWO & *p) >> 3; | |
1349 | octa3 = (LOW_TWO & *p); | |
1350 | carry = 0; | |
1351 | fprintf_filtered (stream, "%o", octa1); | |
1352 | fprintf_filtered (stream, "%o", octa2); | |
1353 | fprintf_filtered (stream, "%o", octa3); | |
1354 | break; | |
1355 | ||
1356 | default: | |
8a3fe4f8 | 1357 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1358 | } |
1359 | ||
1360 | cycle++; | |
1361 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1362 | } |
1363 | } | |
1364 | ||
c906108c SS |
1365 | } |
1366 | ||
1367 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1368 | Print it in decimal on stream or format it in buf. */ |
1369 | ||
c906108c | 1370 | void |
fc1a4b47 | 1371 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1372 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
1373 | { |
1374 | #define TEN 10 | |
c5aa993b | 1375 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1376 | #define CARRY_LEFT( x ) ((x) % TEN) |
1377 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1378 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1379 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1380 | ||
fc1a4b47 | 1381 | const gdb_byte *p; |
c906108c | 1382 | unsigned char *digits; |
c5aa993b JM |
1383 | int carry; |
1384 | int decimal_len; | |
1385 | int i, j, decimal_digits; | |
1386 | int dummy; | |
1387 | int flip; | |
1388 | ||
c906108c | 1389 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1390 | as the base 16 number, which is 2 digits per byte. */ |
1391 | ||
c906108c | 1392 | decimal_len = len * 2 * 2; |
3c37485b | 1393 | digits = xmalloc (decimal_len); |
c906108c | 1394 | |
c5aa993b JM |
1395 | for (i = 0; i < decimal_len; i++) |
1396 | { | |
c906108c | 1397 | digits[i] = 0; |
c5aa993b | 1398 | } |
c906108c | 1399 | |
c906108c SS |
1400 | /* Ok, we have an unknown number of bytes of data to be printed in |
1401 | * decimal. | |
1402 | * | |
1403 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
1404 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
1405 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
1406 | * | |
1407 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1408 | * the individual digits are > 10. |
c906108c SS |
1409 | * |
1410 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1411 | * LSD end. | |
1412 | */ | |
c5aa993b | 1413 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1414 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1415 | flip = 0; |
d44e8473 | 1416 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1417 | { |
c906108c SS |
1418 | /* |
1419 | * Multiply current base-ten number by 16 in place. | |
1420 | * Each digit was between 0 and 9, now is between | |
1421 | * 0 and 144. | |
1422 | */ | |
c5aa993b JM |
1423 | for (j = 0; j < decimal_digits; j++) |
1424 | { | |
1425 | digits[j] = SHIFT (digits[j]); | |
1426 | } | |
1427 | ||
c906108c SS |
1428 | /* Take the next nibble off the input and add it to what |
1429 | * we've got in the LSB position. Bottom 'digit' is now | |
1430 | * between 0 and 159. | |
1431 | * | |
1432 | * "flip" is used to run this loop twice for each byte. | |
1433 | */ | |
c5aa993b JM |
1434 | if (flip == 0) |
1435 | { | |
581e13c1 MS |
1436 | /* Take top nibble. */ |
1437 | ||
c5aa993b JM |
1438 | digits[0] += HIGH_NIBBLE (*p); |
1439 | flip = 1; | |
1440 | } | |
1441 | else | |
1442 | { | |
581e13c1 MS |
1443 | /* Take low nibble and bump our pointer "p". */ |
1444 | ||
c5aa993b | 1445 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1446 | if (byte_order == BFD_ENDIAN_BIG) |
1447 | p++; | |
1448 | else | |
1449 | p--; | |
c5aa993b JM |
1450 | flip = 0; |
1451 | } | |
c906108c SS |
1452 | |
1453 | /* Re-decimalize. We have to do this often enough | |
1454 | * that we don't overflow, but once per nibble is | |
1455 | * overkill. Easier this way, though. Note that the | |
1456 | * carry is often larger than 10 (e.g. max initial | |
1457 | * carry out of lowest nibble is 15, could bubble all | |
1458 | * the way up greater than 10). So we have to do | |
1459 | * the carrying beyond the last current digit. | |
1460 | */ | |
1461 | carry = 0; | |
c5aa993b JM |
1462 | for (j = 0; j < decimal_len - 1; j++) |
1463 | { | |
1464 | digits[j] += carry; | |
1465 | ||
1466 | /* "/" won't handle an unsigned char with | |
1467 | * a value that if signed would be negative. | |
1468 | * So extend to longword int via "dummy". | |
1469 | */ | |
1470 | dummy = digits[j]; | |
1471 | carry = CARRY_OUT (dummy); | |
1472 | digits[j] = CARRY_LEFT (dummy); | |
1473 | ||
1474 | if (j >= decimal_digits && carry == 0) | |
1475 | { | |
1476 | /* | |
1477 | * All higher digits are 0 and we | |
1478 | * no longer have a carry. | |
1479 | * | |
1480 | * Note: "j" is 0-based, "decimal_digits" is | |
1481 | * 1-based. | |
1482 | */ | |
1483 | decimal_digits = j + 1; | |
1484 | break; | |
1485 | } | |
1486 | } | |
1487 | } | |
c906108c SS |
1488 | |
1489 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1490 | the "decimal_digits" actual digits. Print! */ |
1491 | ||
c5aa993b JM |
1492 | for (i = decimal_digits - 1; i >= 0; i--) |
1493 | { | |
1494 | fprintf_filtered (stream, "%1d", digits[i]); | |
1495 | } | |
b8c9b27d | 1496 | xfree (digits); |
c906108c SS |
1497 | } |
1498 | ||
1499 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1500 | ||
6b9acc27 | 1501 | void |
fc1a4b47 | 1502 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1503 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1504 | { |
fc1a4b47 | 1505 | const gdb_byte *p; |
c906108c SS |
1506 | |
1507 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1508 | ||
bb599908 | 1509 | fputs_filtered ("0x", stream); |
d44e8473 | 1510 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1511 | { |
1512 | for (p = valaddr; | |
1513 | p < valaddr + len; | |
1514 | p++) | |
1515 | { | |
1516 | fprintf_filtered (stream, "%02x", *p); | |
1517 | } | |
1518 | } | |
1519 | else | |
1520 | { | |
1521 | for (p = valaddr + len - 1; | |
1522 | p >= valaddr; | |
1523 | p--) | |
1524 | { | |
1525 | fprintf_filtered (stream, "%02x", *p); | |
1526 | } | |
1527 | } | |
c906108c SS |
1528 | } |
1529 | ||
3e43a32a | 1530 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1531 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1532 | Omit any leading zero chars. */ |
1533 | ||
1534 | void | |
6c7a06a3 TT |
1535 | print_char_chars (struct ui_file *stream, struct type *type, |
1536 | const gdb_byte *valaddr, | |
d44e8473 | 1537 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1538 | { |
fc1a4b47 | 1539 | const gdb_byte *p; |
6b9acc27 | 1540 | |
d44e8473 | 1541 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1542 | { |
1543 | p = valaddr; | |
1544 | while (p < valaddr + len - 1 && *p == 0) | |
1545 | ++p; | |
1546 | ||
1547 | while (p < valaddr + len) | |
1548 | { | |
6c7a06a3 | 1549 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1550 | ++p; |
1551 | } | |
1552 | } | |
1553 | else | |
1554 | { | |
1555 | p = valaddr + len - 1; | |
1556 | while (p > valaddr && *p == 0) | |
1557 | --p; | |
1558 | ||
1559 | while (p >= valaddr) | |
1560 | { | |
6c7a06a3 | 1561 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1562 | --p; |
1563 | } | |
1564 | } | |
1565 | } | |
1566 | ||
132c57b4 TT |
1567 | /* Print function pointer with inferior address ADDRESS onto stdio |
1568 | stream STREAM. */ | |
1569 | ||
1570 | void | |
edf0c1b7 TT |
1571 | print_function_pointer_address (const struct value_print_options *options, |
1572 | struct gdbarch *gdbarch, | |
132c57b4 | 1573 | CORE_ADDR address, |
edf0c1b7 | 1574 | struct ui_file *stream) |
132c57b4 TT |
1575 | { |
1576 | CORE_ADDR func_addr | |
1577 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
1578 | ¤t_target); | |
1579 | ||
1580 | /* If the function pointer is represented by a description, print | |
1581 | the address of the description. */ | |
edf0c1b7 | 1582 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1583 | { |
1584 | fputs_filtered ("@", stream); | |
1585 | fputs_filtered (paddress (gdbarch, address), stream); | |
1586 | fputs_filtered (": ", stream); | |
1587 | } | |
edf0c1b7 | 1588 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1589 | } |
1590 | ||
1591 | ||
79a45b7d | 1592 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1593 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1594 | ||
1595 | void | |
1596 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1597 | struct ui_file *stream, |
1598 | const struct value_print_options *options) | |
e79af960 JB |
1599 | { |
1600 | struct value *index_value; | |
1601 | ||
79a45b7d | 1602 | if (!options->print_array_indexes) |
e79af960 JB |
1603 | return; |
1604 | ||
1605 | index_value = value_from_longest (index_type, index); | |
1606 | ||
79a45b7d TT |
1607 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1608 | } | |
e79af960 | 1609 | |
c906108c | 1610 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1611 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1612 | |
c5aa993b JM |
1613 | (FIXME?) Assumes array element separator is a comma, which is correct |
1614 | for all languages currently handled. | |
1615 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1616 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1617 | |
1618 | void | |
490f124f PA |
1619 | val_print_array_elements (struct type *type, |
1620 | const gdb_byte *valaddr, int embedded_offset, | |
a2bd3dcd | 1621 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1622 | int recurse, |
0e03807e | 1623 | const struct value *val, |
79a45b7d | 1624 | const struct value_print_options *options, |
fba45db2 | 1625 | unsigned int i) |
c906108c SS |
1626 | { |
1627 | unsigned int things_printed = 0; | |
1628 | unsigned len; | |
aa715135 | 1629 | struct type *elttype, *index_type, *base_index_type; |
c906108c SS |
1630 | unsigned eltlen; |
1631 | /* Position of the array element we are examining to see | |
1632 | whether it is repeated. */ | |
1633 | unsigned int rep1; | |
1634 | /* Number of repetitions we have detected so far. */ | |
1635 | unsigned int reps; | |
dbc98a8b | 1636 | LONGEST low_bound, high_bound; |
aa715135 | 1637 | LONGEST low_pos, high_pos; |
c5aa993b | 1638 | |
c906108c SS |
1639 | elttype = TYPE_TARGET_TYPE (type); |
1640 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
e79af960 | 1641 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1642 | |
dbc98a8b | 1643 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b | 1644 | { |
aa715135 JG |
1645 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
1646 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
1647 | else | |
1648 | base_index_type = index_type; | |
1649 | ||
1650 | /* Non-contiguous enumerations types can by used as index types | |
1651 | in some languages (e.g. Ada). In this case, the array length | |
1652 | shall be computed from the positions of the first and last | |
1653 | literal in the enumeration type, and not from the values | |
1654 | of these literals. */ | |
1655 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
1656 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
1657 | { | |
1658 | warning (_("unable to get positions in array, use bounds instead")); | |
1659 | low_pos = low_bound; | |
1660 | high_pos = high_bound; | |
1661 | } | |
1662 | ||
1663 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
75be741b | 1664 | But we have to be a little extra careful, because some languages |
aa715135 | 1665 | such as Ada allow LOW_POS to be greater than HIGH_POS for |
75be741b JB |
1666 | empty arrays. In that situation, the array length is just zero, |
1667 | not negative! */ | |
aa715135 | 1668 | if (low_pos > high_pos) |
75be741b JB |
1669 | len = 0; |
1670 | else | |
aa715135 | 1671 | len = high_pos - low_pos + 1; |
75be741b | 1672 | } |
e936309c JB |
1673 | else |
1674 | { | |
dbc98a8b KW |
1675 | warning (_("unable to get bounds of array, assuming null array")); |
1676 | low_bound = 0; | |
1677 | len = 0; | |
168de233 JB |
1678 | } |
1679 | ||
c906108c SS |
1680 | annotate_array_section_begin (i, elttype); |
1681 | ||
79a45b7d | 1682 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1683 | { |
1684 | if (i != 0) | |
1685 | { | |
2a998fc0 | 1686 | if (options->prettyformat_arrays) |
c906108c SS |
1687 | { |
1688 | fprintf_filtered (stream, ",\n"); | |
1689 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1690 | } | |
1691 | else | |
1692 | { | |
1693 | fprintf_filtered (stream, ", "); | |
1694 | } | |
1695 | } | |
1696 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 1697 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 1698 | stream, options); |
c906108c SS |
1699 | |
1700 | rep1 = i + 1; | |
1701 | reps = 1; | |
35bef4fd TT |
1702 | /* Only check for reps if repeat_count_threshold is not set to |
1703 | UINT_MAX (unlimited). */ | |
1704 | if (options->repeat_count_threshold < UINT_MAX) | |
c906108c | 1705 | { |
35bef4fd | 1706 | while (rep1 < len |
9a0dc9e3 PA |
1707 | && value_contents_eq (val, |
1708 | embedded_offset + i * eltlen, | |
1709 | val, | |
1710 | (embedded_offset | |
1711 | + rep1 * eltlen), | |
1712 | eltlen)) | |
35bef4fd TT |
1713 | { |
1714 | ++reps; | |
1715 | ++rep1; | |
1716 | } | |
c906108c SS |
1717 | } |
1718 | ||
79a45b7d | 1719 | if (reps > options->repeat_count_threshold) |
c906108c | 1720 | { |
490f124f PA |
1721 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1722 | address, stream, recurse + 1, val, options, | |
1723 | current_language); | |
c906108c SS |
1724 | annotate_elt_rep (reps); |
1725 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
1726 | annotate_elt_rep_end (); | |
1727 | ||
1728 | i = rep1 - 1; | |
79a45b7d | 1729 | things_printed += options->repeat_count_threshold; |
c906108c SS |
1730 | } |
1731 | else | |
1732 | { | |
490f124f PA |
1733 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1734 | address, | |
0e03807e | 1735 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1736 | annotate_elt (); |
1737 | things_printed++; | |
1738 | } | |
1739 | } | |
1740 | annotate_array_section_end (); | |
1741 | if (i < len) | |
1742 | { | |
1743 | fprintf_filtered (stream, "..."); | |
1744 | } | |
1745 | } | |
1746 | ||
917317f4 JM |
1747 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1748 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 1749 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 1750 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
1751 | |
1752 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1753 | function be eliminated. */ | |
1754 | ||
1755 | static int | |
3e43a32a | 1756 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 1757 | int len, int *errptr) |
917317f4 | 1758 | { |
581e13c1 MS |
1759 | int nread; /* Number of bytes actually read. */ |
1760 | int errcode; /* Error from last read. */ | |
917317f4 | 1761 | |
581e13c1 | 1762 | /* First try a complete read. */ |
917317f4 JM |
1763 | errcode = target_read_memory (memaddr, myaddr, len); |
1764 | if (errcode == 0) | |
1765 | { | |
581e13c1 | 1766 | /* Got it all. */ |
917317f4 JM |
1767 | nread = len; |
1768 | } | |
1769 | else | |
1770 | { | |
581e13c1 | 1771 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
1772 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
1773 | { | |
1774 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
1775 | } | |
581e13c1 | 1776 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
1777 | if (errcode != 0) |
1778 | { | |
1779 | nread--; | |
1780 | } | |
1781 | } | |
578d3588 | 1782 | if (errptr != NULL) |
917317f4 | 1783 | { |
578d3588 | 1784 | *errptr = errcode; |
917317f4 JM |
1785 | } |
1786 | return (nread); | |
1787 | } | |
1788 | ||
ae6a3a4c TJB |
1789 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
1790 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
1791 | allocated buffer containing the string, which the caller is responsible to | |
1792 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 1793 | success, or a target_xfer_status on failure. |
ae6a3a4c | 1794 | |
f380848e SA |
1795 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
1796 | (including eventual NULs in the middle or end of the string). | |
1797 | ||
1798 | If LEN is -1, stops at the first null character (not necessarily | |
1799 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
1800 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
1801 | the string. | |
ae6a3a4c TJB |
1802 | |
1803 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
1804 | failure. In this case, some characters might have been read before the | |
1805 | failure happened. Check BYTES_READ to recognize this situation. | |
1806 | ||
1807 | Note: There was a FIXME asking to make this code use target_read_string, | |
1808 | but this function is more general (can read past null characters, up to | |
581e13c1 | 1809 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
1810 | so it is more tested. Perhaps callers of target_read_string should use |
1811 | this function instead? */ | |
c906108c SS |
1812 | |
1813 | int | |
ae6a3a4c | 1814 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 1815 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 1816 | { |
ae6a3a4c TJB |
1817 | int errcode; /* Errno returned from bad reads. */ |
1818 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
1819 | gdb_byte *bufptr; /* Pointer to next available byte in |
1820 | buffer. */ | |
ae6a3a4c TJB |
1821 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ |
1822 | ||
ae6a3a4c TJB |
1823 | /* Loop until we either have all the characters, or we encounter |
1824 | some error, such as bumping into the end of the address space. */ | |
c906108c | 1825 | |
b5096abe PM |
1826 | *buffer = NULL; |
1827 | ||
1828 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
1829 | |
1830 | if (len > 0) | |
1831 | { | |
88db67ef YQ |
1832 | /* We want fetchlimit chars, so we might as well read them all in |
1833 | one operation. */ | |
f380848e SA |
1834 | unsigned int fetchlen = min (len, fetchlimit); |
1835 | ||
1836 | *buffer = (gdb_byte *) xmalloc (fetchlen * width); | |
ae6a3a4c | 1837 | bufptr = *buffer; |
c906108c | 1838 | |
f380848e | 1839 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
1840 | / width; |
1841 | addr += nfetch * width; | |
1842 | bufptr += nfetch * width; | |
1843 | } | |
1844 | else if (len == -1) | |
1845 | { | |
1846 | unsigned long bufsize = 0; | |
88db67ef YQ |
1847 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
1848 | int found_nul; /* Non-zero if we found the nul char. */ | |
1849 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
1850 | ||
1851 | found_nul = 0; | |
1852 | /* We are looking for a NUL terminator to end the fetching, so we | |
1853 | might as well read in blocks that are large enough to be efficient, | |
1854 | but not so large as to be slow if fetchlimit happens to be large. | |
1855 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
1856 | instead of 8 but 200 is way too big for remote debugging over a | |
1857 | serial line. */ | |
1858 | chunksize = min (8, fetchlimit); | |
ae6a3a4c | 1859 | |
c906108c SS |
1860 | do |
1861 | { | |
1862 | QUIT; | |
1863 | nfetch = min (chunksize, fetchlimit - bufsize); | |
1864 | ||
ae6a3a4c TJB |
1865 | if (*buffer == NULL) |
1866 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 1867 | else |
b5096abe PM |
1868 | *buffer = (gdb_byte *) xrealloc (*buffer, |
1869 | (nfetch + bufsize) * width); | |
c906108c | 1870 | |
ae6a3a4c | 1871 | bufptr = *buffer + bufsize * width; |
c906108c SS |
1872 | bufsize += nfetch; |
1873 | ||
ae6a3a4c | 1874 | /* Read as much as we can. */ |
917317f4 | 1875 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 1876 | / width; |
c906108c | 1877 | |
ae6a3a4c | 1878 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
1879 | to print. If found, we don't need to fetch any more. Note |
1880 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
1881 | after the null character, or at the next character after the end |
1882 | of the buffer. */ | |
c906108c SS |
1883 | |
1884 | limit = bufptr + nfetch * width; | |
1885 | while (bufptr < limit) | |
1886 | { | |
1887 | unsigned long c; | |
1888 | ||
e17a4113 | 1889 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
1890 | addr += width; |
1891 | bufptr += width; | |
1892 | if (c == 0) | |
1893 | { | |
1894 | /* We don't care about any error which happened after | |
ae6a3a4c | 1895 | the NUL terminator. */ |
c906108c SS |
1896 | errcode = 0; |
1897 | found_nul = 1; | |
1898 | break; | |
1899 | } | |
1900 | } | |
1901 | } | |
c5aa993b | 1902 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
1903 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
1904 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
1905 | } |
1906 | else | |
ae6a3a4c TJB |
1907 | { /* Length of string is really 0! */ |
1908 | /* We always allocate *buffer. */ | |
1909 | *buffer = bufptr = xmalloc (1); | |
c906108c SS |
1910 | errcode = 0; |
1911 | } | |
1912 | ||
1913 | /* bufptr and addr now point immediately beyond the last byte which we | |
1914 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
1915 | *bytes_read = bufptr - *buffer; |
1916 | ||
1917 | QUIT; | |
1918 | ||
1919 | discard_cleanups (old_chain); | |
1920 | ||
1921 | return errcode; | |
1922 | } | |
1923 | ||
3b2b8fea TT |
1924 | /* Return true if print_wchar can display W without resorting to a |
1925 | numeric escape, false otherwise. */ | |
1926 | ||
1927 | static int | |
1928 | wchar_printable (gdb_wchar_t w) | |
1929 | { | |
1930 | return (gdb_iswprint (w) | |
1931 | || w == LCST ('\a') || w == LCST ('\b') | |
1932 | || w == LCST ('\f') || w == LCST ('\n') | |
1933 | || w == LCST ('\r') || w == LCST ('\t') | |
1934 | || w == LCST ('\v')); | |
1935 | } | |
1936 | ||
1937 | /* A helper function that converts the contents of STRING to wide | |
1938 | characters and then appends them to OUTPUT. */ | |
1939 | ||
1940 | static void | |
1941 | append_string_as_wide (const char *string, | |
1942 | struct obstack *output) | |
1943 | { | |
1944 | for (; *string; ++string) | |
1945 | { | |
1946 | gdb_wchar_t w = gdb_btowc (*string); | |
1947 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
1948 | } | |
1949 | } | |
1950 | ||
1951 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
1952 | original (target) bytes representing the character, ORIG_LEN is the | |
1953 | number of valid bytes. WIDTH is the number of bytes in a base | |
1954 | characters of the type. OUTPUT is an obstack to which wide | |
1955 | characters are emitted. QUOTER is a (narrow) character indicating | |
1956 | the style of quotes surrounding the character to be printed. | |
1957 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
1958 | escapes across calls. */ | |
1959 | ||
1960 | static void | |
1961 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
1962 | int orig_len, int width, | |
1963 | enum bfd_endian byte_order, | |
1964 | struct obstack *output, | |
1965 | int quoter, int *need_escapep) | |
1966 | { | |
1967 | int need_escape = *need_escapep; | |
1968 | ||
1969 | *need_escapep = 0; | |
3b2b8fea | 1970 | |
95c64f92 YQ |
1971 | /* iswprint implementation on Windows returns 1 for tab character. |
1972 | In order to avoid different printout on this host, we explicitly | |
1973 | use wchar_printable function. */ | |
1974 | switch (w) | |
3b2b8fea | 1975 | { |
95c64f92 YQ |
1976 | case LCST ('\a'): |
1977 | obstack_grow_wstr (output, LCST ("\\a")); | |
1978 | break; | |
1979 | case LCST ('\b'): | |
1980 | obstack_grow_wstr (output, LCST ("\\b")); | |
1981 | break; | |
1982 | case LCST ('\f'): | |
1983 | obstack_grow_wstr (output, LCST ("\\f")); | |
1984 | break; | |
1985 | case LCST ('\n'): | |
1986 | obstack_grow_wstr (output, LCST ("\\n")); | |
1987 | break; | |
1988 | case LCST ('\r'): | |
1989 | obstack_grow_wstr (output, LCST ("\\r")); | |
1990 | break; | |
1991 | case LCST ('\t'): | |
1992 | obstack_grow_wstr (output, LCST ("\\t")); | |
1993 | break; | |
1994 | case LCST ('\v'): | |
1995 | obstack_grow_wstr (output, LCST ("\\v")); | |
1996 | break; | |
1997 | default: | |
3b2b8fea | 1998 | { |
95c64f92 YQ |
1999 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2000 | && w != LCST ('8') | |
2001 | && w != LCST ('9')))) | |
2002 | { | |
2003 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2004 | |
95c64f92 YQ |
2005 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2006 | obstack_grow_wstr (output, LCST ("\\")); | |
2007 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2008 | } | |
2009 | else | |
2010 | { | |
2011 | int i; | |
3b2b8fea | 2012 | |
95c64f92 YQ |
2013 | for (i = 0; i + width <= orig_len; i += width) |
2014 | { | |
2015 | char octal[30]; | |
2016 | ULONGEST value; | |
2017 | ||
2018 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2019 | byte_order); |
95c64f92 YQ |
2020 | /* If the value fits in 3 octal digits, print it that |
2021 | way. Otherwise, print it as a hex escape. */ | |
2022 | if (value <= 0777) | |
2023 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2024 | (int) (value & 0777)); | |
2025 | else | |
2026 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2027 | append_string_as_wide (octal, output); | |
2028 | } | |
2029 | /* If we somehow have extra bytes, print them now. */ | |
2030 | while (i < orig_len) | |
2031 | { | |
2032 | char octal[5]; | |
2033 | ||
2034 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2035 | append_string_as_wide (octal, output); | |
2036 | ++i; | |
2037 | } | |
2038 | ||
2039 | *need_escapep = 1; | |
2040 | } | |
3b2b8fea TT |
2041 | break; |
2042 | } | |
2043 | } | |
2044 | } | |
2045 | ||
2046 | /* Print the character C on STREAM as part of the contents of a | |
2047 | literal string whose delimiter is QUOTER. ENCODING names the | |
2048 | encoding of C. */ | |
2049 | ||
2050 | void | |
2051 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2052 | int quoter, const char *encoding) | |
2053 | { | |
2054 | enum bfd_endian byte_order | |
2055 | = gdbarch_byte_order (get_type_arch (type)); | |
2056 | struct obstack wchar_buf, output; | |
2057 | struct cleanup *cleanups; | |
2058 | gdb_byte *buf; | |
2059 | struct wchar_iterator *iter; | |
2060 | int need_escape = 0; | |
2061 | ||
2062 | buf = alloca (TYPE_LENGTH (type)); | |
2063 | pack_long (buf, type, c); | |
2064 | ||
2065 | iter = make_wchar_iterator (buf, TYPE_LENGTH (type), | |
2066 | encoding, TYPE_LENGTH (type)); | |
2067 | cleanups = make_cleanup_wchar_iterator (iter); | |
2068 | ||
2069 | /* This holds the printable form of the wchar_t data. */ | |
2070 | obstack_init (&wchar_buf); | |
2071 | make_cleanup_obstack_free (&wchar_buf); | |
2072 | ||
2073 | while (1) | |
2074 | { | |
2075 | int num_chars; | |
2076 | gdb_wchar_t *chars; | |
2077 | const gdb_byte *buf; | |
2078 | size_t buflen; | |
2079 | int print_escape = 1; | |
2080 | enum wchar_iterate_result result; | |
2081 | ||
2082 | num_chars = wchar_iterate (iter, &result, &chars, &buf, &buflen); | |
2083 | if (num_chars < 0) | |
2084 | break; | |
2085 | if (num_chars > 0) | |
2086 | { | |
2087 | /* If all characters are printable, print them. Otherwise, | |
2088 | we're going to have to print an escape sequence. We | |
2089 | check all characters because we want to print the target | |
2090 | bytes in the escape sequence, and we don't know character | |
2091 | boundaries there. */ | |
2092 | int i; | |
2093 | ||
2094 | print_escape = 0; | |
2095 | for (i = 0; i < num_chars; ++i) | |
2096 | if (!wchar_printable (chars[i])) | |
2097 | { | |
2098 | print_escape = 1; | |
2099 | break; | |
2100 | } | |
2101 | ||
2102 | if (!print_escape) | |
2103 | { | |
2104 | for (i = 0; i < num_chars; ++i) | |
2105 | print_wchar (chars[i], buf, buflen, | |
2106 | TYPE_LENGTH (type), byte_order, | |
2107 | &wchar_buf, quoter, &need_escape); | |
2108 | } | |
2109 | } | |
2110 | ||
2111 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2112 | if (print_escape) | |
2113 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2114 | byte_order, &wchar_buf, quoter, &need_escape); | |
2115 | } | |
2116 | ||
2117 | /* The output in the host encoding. */ | |
2118 | obstack_init (&output); | |
2119 | make_cleanup_obstack_free (&output); | |
2120 | ||
2121 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2122 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2123 | obstack_object_size (&wchar_buf), |
fff10684 | 2124 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2125 | obstack_1grow (&output, '\0'); |
2126 | ||
2127 | fputs_filtered (obstack_base (&output), stream); | |
2128 | ||
2129 | do_cleanups (cleanups); | |
2130 | } | |
2131 | ||
0d63ecda KS |
2132 | /* Return the repeat count of the next character/byte in ITER, |
2133 | storing the result in VEC. */ | |
2134 | ||
2135 | static int | |
2136 | count_next_character (struct wchar_iterator *iter, | |
2137 | VEC (converted_character_d) **vec) | |
2138 | { | |
2139 | struct converted_character *current; | |
2140 | ||
2141 | if (VEC_empty (converted_character_d, *vec)) | |
2142 | { | |
2143 | struct converted_character tmp; | |
2144 | gdb_wchar_t *chars; | |
2145 | ||
2146 | tmp.num_chars | |
2147 | = wchar_iterate (iter, &tmp.result, &chars, &tmp.buf, &tmp.buflen); | |
2148 | if (tmp.num_chars > 0) | |
2149 | { | |
2150 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2151 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2152 | } | |
2153 | VEC_safe_push (converted_character_d, *vec, &tmp); | |
2154 | } | |
2155 | ||
2156 | current = VEC_last (converted_character_d, *vec); | |
2157 | ||
2158 | /* Count repeated characters or bytes. */ | |
2159 | current->repeat_count = 1; | |
2160 | if (current->num_chars == -1) | |
2161 | { | |
2162 | /* EOF */ | |
2163 | return -1; | |
2164 | } | |
2165 | else | |
2166 | { | |
2167 | gdb_wchar_t *chars; | |
2168 | struct converted_character d; | |
2169 | int repeat; | |
2170 | ||
2171 | d.repeat_count = 0; | |
2172 | ||
2173 | while (1) | |
2174 | { | |
2175 | /* Get the next character. */ | |
2176 | d.num_chars | |
2177 | = wchar_iterate (iter, &d.result, &chars, &d.buf, &d.buflen); | |
2178 | ||
2179 | /* If a character was successfully converted, save the character | |
2180 | into the converted character. */ | |
2181 | if (d.num_chars > 0) | |
2182 | { | |
2183 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2184 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2185 | } | |
2186 | ||
2187 | /* Determine if the current character is the same as this | |
2188 | new character. */ | |
2189 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2190 | { | |
2191 | /* There are two cases to consider: | |
2192 | ||
2193 | 1) Equality of converted character (num_chars > 0) | |
2194 | 2) Equality of non-converted character (num_chars == 0) */ | |
2195 | if ((current->num_chars > 0 | |
2196 | && memcmp (current->chars, d.chars, | |
2197 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2198 | || (current->num_chars == 0 | |
2199 | && current->buflen == d.buflen | |
2200 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2201 | ++current->repeat_count; | |
2202 | else | |
2203 | break; | |
2204 | } | |
2205 | else | |
2206 | break; | |
2207 | } | |
2208 | ||
2209 | /* Push this next converted character onto the result vector. */ | |
2210 | repeat = current->repeat_count; | |
2211 | VEC_safe_push (converted_character_d, *vec, &d); | |
2212 | return repeat; | |
2213 | } | |
2214 | } | |
2215 | ||
2216 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2217 | character to use with string output. WIDTH is the size of the output | |
2218 | character type. BYTE_ORDER is the the target byte order. OPTIONS | |
2219 | is the user's print options. */ | |
2220 | ||
2221 | static void | |
2222 | print_converted_chars_to_obstack (struct obstack *obstack, | |
2223 | VEC (converted_character_d) *chars, | |
2224 | int quote_char, int width, | |
2225 | enum bfd_endian byte_order, | |
2226 | const struct value_print_options *options) | |
2227 | { | |
2228 | unsigned int idx; | |
2229 | struct converted_character *elem; | |
2230 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; | |
2231 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2232 | int need_escape = 0; | |
2233 | ||
2234 | /* Set the start state. */ | |
2235 | idx = 0; | |
2236 | last = state = START; | |
2237 | elem = NULL; | |
2238 | ||
2239 | while (1) | |
2240 | { | |
2241 | switch (state) | |
2242 | { | |
2243 | case START: | |
2244 | /* Nothing to do. */ | |
2245 | break; | |
2246 | ||
2247 | case SINGLE: | |
2248 | { | |
2249 | int j; | |
2250 | ||
2251 | /* We are outputting a single character | |
2252 | (< options->repeat_count_threshold). */ | |
2253 | ||
2254 | if (last != SINGLE) | |
2255 | { | |
2256 | /* We were outputting some other type of content, so we | |
2257 | must output and a comma and a quote. */ | |
2258 | if (last != START) | |
2259 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2260 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2261 | } | |
2262 | /* Output the character. */ | |
2263 | for (j = 0; j < elem->repeat_count; ++j) | |
2264 | { | |
2265 | if (elem->result == wchar_iterate_ok) | |
2266 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2267 | byte_order, obstack, quote_char, &need_escape); | |
2268 | else | |
2269 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2270 | byte_order, obstack, quote_char, &need_escape); | |
2271 | } | |
2272 | } | |
2273 | break; | |
2274 | ||
2275 | case REPEAT: | |
2276 | { | |
2277 | int j; | |
2278 | char *s; | |
2279 | ||
2280 | /* We are outputting a character with a repeat count | |
2281 | greater than options->repeat_count_threshold. */ | |
2282 | ||
2283 | if (last == SINGLE) | |
2284 | { | |
2285 | /* We were outputting a single string. Terminate the | |
2286 | string. */ | |
0d63ecda KS |
2287 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2288 | } | |
2289 | if (last != START) | |
2290 | obstack_grow_wstr (obstack, LCST (", ")); | |
2291 | ||
2292 | /* Output the character and repeat string. */ | |
2293 | obstack_grow_wstr (obstack, LCST ("'")); | |
2294 | if (elem->result == wchar_iterate_ok) | |
2295 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2296 | byte_order, obstack, quote_char, &need_escape); | |
2297 | else | |
2298 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2299 | byte_order, obstack, quote_char, &need_escape); | |
2300 | obstack_grow_wstr (obstack, LCST ("'")); | |
2301 | s = xstrprintf (_(" <repeats %u times>"), elem->repeat_count); | |
2302 | for (j = 0; s[j]; ++j) | |
2303 | { | |
2304 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2305 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2306 | } | |
2307 | xfree (s); | |
2308 | } | |
2309 | break; | |
2310 | ||
2311 | case INCOMPLETE: | |
2312 | /* We are outputting an incomplete sequence. */ | |
2313 | if (last == SINGLE) | |
2314 | { | |
2315 | /* If we were outputting a string of SINGLE characters, | |
2316 | terminate the quote. */ | |
0d63ecda KS |
2317 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2318 | } | |
2319 | if (last != START) | |
2320 | obstack_grow_wstr (obstack, LCST (", ")); | |
2321 | ||
2322 | /* Output the incomplete sequence string. */ | |
2323 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2324 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2325 | obstack, 0, &need_escape); | |
2326 | obstack_grow_wstr (obstack, LCST (">")); | |
2327 | ||
2328 | /* We do not attempt to outupt anything after this. */ | |
2329 | state = FINISH; | |
2330 | break; | |
2331 | ||
2332 | case FINISH: | |
2333 | /* All done. If we were outputting a string of SINGLE | |
2334 | characters, the string must be terminated. Otherwise, | |
2335 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2336 | if (last == SINGLE) | |
e93a8774 | 2337 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2338 | |
2339 | return; | |
2340 | } | |
2341 | ||
2342 | /* Get the next element and state. */ | |
2343 | last = state; | |
2344 | if (state != FINISH) | |
2345 | { | |
2346 | elem = VEC_index (converted_character_d, chars, idx++); | |
2347 | switch (elem->result) | |
2348 | { | |
2349 | case wchar_iterate_ok: | |
2350 | case wchar_iterate_invalid: | |
2351 | if (elem->repeat_count > options->repeat_count_threshold) | |
2352 | state = REPEAT; | |
2353 | else | |
2354 | state = SINGLE; | |
2355 | break; | |
2356 | ||
2357 | case wchar_iterate_incomplete: | |
2358 | state = INCOMPLETE; | |
2359 | break; | |
2360 | ||
2361 | case wchar_iterate_eof: | |
2362 | state = FINISH; | |
2363 | break; | |
2364 | } | |
2365 | } | |
2366 | } | |
2367 | } | |
2368 | ||
3b2b8fea TT |
2369 | /* Print the character string STRING, printing at most LENGTH |
2370 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2371 | the type of each character. OPTIONS holds the printing options; | |
2372 | printing stops early if the number hits print_max; repeat counts | |
2373 | are printed as appropriate. Print ellipses at the end if we had to | |
2374 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2375 | QUOTE_CHAR is the character to print at each end of the string. If | |
2376 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2377 | omitted. */ | |
2378 | ||
2379 | void | |
2380 | generic_printstr (struct ui_file *stream, struct type *type, | |
2381 | const gdb_byte *string, unsigned int length, | |
2382 | const char *encoding, int force_ellipses, | |
2383 | int quote_char, int c_style_terminator, | |
2384 | const struct value_print_options *options) | |
2385 | { | |
2386 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
2387 | unsigned int i; | |
3b2b8fea TT |
2388 | int width = TYPE_LENGTH (type); |
2389 | struct obstack wchar_buf, output; | |
2390 | struct cleanup *cleanup; | |
2391 | struct wchar_iterator *iter; | |
2392 | int finished = 0; | |
0d63ecda KS |
2393 | struct converted_character *last; |
2394 | VEC (converted_character_d) *converted_chars; | |
3b2b8fea TT |
2395 | |
2396 | if (length == -1) | |
2397 | { | |
2398 | unsigned long current_char = 1; | |
2399 | ||
2400 | for (i = 0; current_char; ++i) | |
2401 | { | |
2402 | QUIT; | |
2403 | current_char = extract_unsigned_integer (string + i * width, | |
2404 | width, byte_order); | |
2405 | } | |
2406 | length = i; | |
2407 | } | |
2408 | ||
2409 | /* If the string was not truncated due to `set print elements', and | |
2410 | the last byte of it is a null, we don't print that, in | |
2411 | traditional C style. */ | |
2412 | if (c_style_terminator | |
2413 | && !force_ellipses | |
2414 | && length > 0 | |
2415 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2416 | width, byte_order) == 0)) | |
2417 | length--; | |
2418 | ||
2419 | if (length == 0) | |
2420 | { | |
2421 | fputs_filtered ("\"\"", stream); | |
2422 | return; | |
2423 | } | |
2424 | ||
2425 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
2426 | iter = make_wchar_iterator (string, length * width, encoding, width); | |
2427 | cleanup = make_cleanup_wchar_iterator (iter); | |
0d63ecda KS |
2428 | converted_chars = NULL; |
2429 | make_cleanup (VEC_cleanup (converted_character_d), &converted_chars); | |
3b2b8fea | 2430 | |
0d63ecda KS |
2431 | /* Convert characters until the string is over or the maximum |
2432 | number of printed characters has been reached. */ | |
2433 | i = 0; | |
2434 | while (i < options->print_max) | |
3b2b8fea | 2435 | { |
0d63ecda | 2436 | int r; |
3b2b8fea TT |
2437 | |
2438 | QUIT; | |
2439 | ||
0d63ecda KS |
2440 | /* Grab the next character and repeat count. */ |
2441 | r = count_next_character (iter, &converted_chars); | |
3b2b8fea | 2442 | |
0d63ecda KS |
2443 | /* If less than zero, the end of the input string was reached. */ |
2444 | if (r < 0) | |
2445 | break; | |
3b2b8fea | 2446 | |
0d63ecda KS |
2447 | /* Otherwise, add the count to the total print count and get |
2448 | the next character. */ | |
2449 | i += r; | |
2450 | } | |
3b2b8fea | 2451 | |
0d63ecda KS |
2452 | /* Get the last element and determine if the entire string was |
2453 | processed. */ | |
2454 | last = VEC_last (converted_character_d, converted_chars); | |
2455 | finished = (last->result == wchar_iterate_eof); | |
3b2b8fea | 2456 | |
0d63ecda KS |
2457 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2458 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2459 | |
0d63ecda KS |
2460 | /* WCHAR_BUF is the obstack we use to represent the string in |
2461 | wchar_t form. */ | |
2462 | obstack_init (&wchar_buf); | |
2463 | make_cleanup_obstack_free (&wchar_buf); | |
3b2b8fea | 2464 | |
0d63ecda KS |
2465 | /* Print the output string to the obstack. */ |
2466 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2467 | width, byte_order, options); | |
3b2b8fea TT |
2468 | |
2469 | if (force_ellipses || !finished) | |
2470 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2471 | ||
2472 | /* OUTPUT is where we collect `char's for printing. */ | |
2473 | obstack_init (&output); | |
2474 | make_cleanup_obstack_free (&output); | |
2475 | ||
2476 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2477 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2478 | obstack_object_size (&wchar_buf), |
fff10684 | 2479 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2480 | obstack_1grow (&output, '\0'); |
2481 | ||
2482 | fputs_filtered (obstack_base (&output), stream); | |
2483 | ||
2484 | do_cleanups (cleanup); | |
2485 | } | |
2486 | ||
ae6a3a4c TJB |
2487 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2488 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2489 | stops at the first null byte, otherwise printing proceeds (including null | |
2490 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2491 | whichever is smaller. ENCODING is the name of the string's |
2492 | encoding. It can be NULL, in which case the target encoding is | |
2493 | assumed. */ | |
ae6a3a4c TJB |
2494 | |
2495 | int | |
09ca9e2e TT |
2496 | val_print_string (struct type *elttype, const char *encoding, |
2497 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2498 | struct ui_file *stream, |
ae6a3a4c TJB |
2499 | const struct value_print_options *options) |
2500 | { | |
2501 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
2502 | int errcode; /* Errno returned from bad reads. */ | |
581e13c1 | 2503 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2504 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2505 | int bytes_read; | |
2506 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
2507 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 2508 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 2509 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 2510 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2511 | |
2512 | /* First we need to figure out the limit on the number of characters we are | |
2513 | going to attempt to fetch and print. This is actually pretty simple. If | |
2514 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2515 | LEN is -1, then the limit is print_max. This is true regardless of | |
2516 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2517 | because finding the null byte (or available memory) is what actually | |
2518 | limits the fetch. */ | |
2519 | ||
3e43a32a MS |
2520 | fetchlimit = (len == -1 ? options->print_max : min (len, |
2521 | options->print_max)); | |
ae6a3a4c | 2522 | |
e17a4113 UW |
2523 | errcode = read_string (addr, len, width, fetchlimit, byte_order, |
2524 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2525 | old_chain = make_cleanup (xfree, buffer); |
2526 | ||
2527 | addr += bytes_read; | |
c906108c | 2528 | |
3e43a32a MS |
2529 | /* We now have either successfully filled the buffer to fetchlimit, |
2530 | or terminated early due to an error or finding a null char when | |
2531 | LEN is -1. */ | |
ae6a3a4c TJB |
2532 | |
2533 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2534 | found_nul = 0; |
2535 | if (bytes_read >= width) | |
2536 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, | |
2537 | byte_order) == 0; | |
c906108c SS |
2538 | if (len == -1 && !found_nul) |
2539 | { | |
777ea8f1 | 2540 | gdb_byte *peekbuf; |
c906108c | 2541 | |
ae6a3a4c | 2542 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2543 | to peek at the next character. If not successful, or it is not |
2544 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2545 | |
777ea8f1 | 2546 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2547 | |
2548 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2549 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2550 | force_ellipsis = 1; |
2551 | } | |
ae6a3a4c | 2552 | else if ((len >= 0 && errcode != 0) || (len > bytes_read / width)) |
c906108c SS |
2553 | { |
2554 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2555 | than the number of characters actually requested, always make us |
ae6a3a4c | 2556 | print ellipsis. */ |
c906108c SS |
2557 | force_ellipsis = 1; |
2558 | } | |
2559 | ||
c906108c SS |
2560 | /* If we get an error before fetching anything, don't print a string. |
2561 | But if we fetch something and then get an error, print the string | |
2562 | and then the error message. */ | |
ae6a3a4c | 2563 | if (errcode == 0 || bytes_read > 0) |
c906108c | 2564 | { |
be759fcf | 2565 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 2566 | encoding, force_ellipsis, options); |
c906108c SS |
2567 | } |
2568 | ||
2569 | if (errcode != 0) | |
2570 | { | |
578d3588 PA |
2571 | char *str; |
2572 | ||
2573 | str = memory_error_message (errcode, gdbarch, addr); | |
2574 | make_cleanup (xfree, str); | |
2575 | ||
2576 | fprintf_filtered (stream, "<error: "); | |
2577 | fputs_filtered (str, stream); | |
2578 | fprintf_filtered (stream, ">"); | |
c906108c | 2579 | } |
ae6a3a4c | 2580 | |
c906108c SS |
2581 | gdb_flush (stream); |
2582 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
2583 | |
2584 | return (bytes_read / width); | |
c906108c | 2585 | } |
c906108c | 2586 | \f |
c5aa993b | 2587 | |
09e6485f PA |
2588 | /* The 'set input-radix' command writes to this auxiliary variable. |
2589 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2590 | it is left unchanged. */ | |
2591 | ||
2592 | static unsigned input_radix_1 = 10; | |
2593 | ||
c906108c SS |
2594 | /* Validate an input or output radix setting, and make sure the user |
2595 | knows what they really did here. Radix setting is confusing, e.g. | |
2596 | setting the input radix to "10" never changes it! */ | |
2597 | ||
c906108c | 2598 | static void |
fba45db2 | 2599 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2600 | { |
09e6485f | 2601 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2602 | } |
2603 | ||
c906108c | 2604 | static void |
fba45db2 | 2605 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2606 | { |
2607 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2608 | make any mathematical sense. In theory, we can deal with any input | |
2609 | radix greater than 1, even if we don't have unique digits for every | |
2610 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2611 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2612 | (FIXME). */ |
c906108c SS |
2613 | |
2614 | if (radix < 2) | |
2615 | { | |
09e6485f | 2616 | input_radix_1 = input_radix; |
8a3fe4f8 | 2617 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2618 | radix); |
2619 | } | |
09e6485f | 2620 | input_radix_1 = input_radix = radix; |
c906108c SS |
2621 | if (from_tty) |
2622 | { | |
3e43a32a MS |
2623 | printf_filtered (_("Input radix now set to " |
2624 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2625 | radix, radix, radix); |
2626 | } | |
2627 | } | |
2628 | ||
09e6485f PA |
2629 | /* The 'set output-radix' command writes to this auxiliary variable. |
2630 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2631 | otherwise, it is left unchanged. */ | |
2632 | ||
2633 | static unsigned output_radix_1 = 10; | |
2634 | ||
c906108c | 2635 | static void |
fba45db2 | 2636 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2637 | { |
09e6485f | 2638 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2639 | } |
2640 | ||
2641 | static void | |
fba45db2 | 2642 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2643 | { |
2644 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2645 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2646 | switch (radix) |
2647 | { | |
2648 | case 16: | |
79a45b7d | 2649 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2650 | break; |
2651 | case 10: | |
79a45b7d | 2652 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2653 | break; |
2654 | case 8: | |
79a45b7d | 2655 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2656 | break; |
2657 | default: | |
09e6485f | 2658 | output_radix_1 = output_radix; |
3e43a32a MS |
2659 | error (_("Unsupported output radix ``decimal %u''; " |
2660 | "output radix unchanged."), | |
c906108c SS |
2661 | radix); |
2662 | } | |
09e6485f | 2663 | output_radix_1 = output_radix = radix; |
c906108c SS |
2664 | if (from_tty) |
2665 | { | |
3e43a32a MS |
2666 | printf_filtered (_("Output radix now set to " |
2667 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2668 | radix, radix, radix); |
2669 | } | |
2670 | } | |
2671 | ||
2672 | /* Set both the input and output radix at once. Try to set the output radix | |
2673 | first, since it has the most restrictive range. An radix that is valid as | |
2674 | an output radix is also valid as an input radix. | |
2675 | ||
2676 | It may be useful to have an unusual input radix. If the user wishes to | |
2677 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2678 | the 'set input-radix' command. */ |
c906108c SS |
2679 | |
2680 | static void | |
fba45db2 | 2681 | set_radix (char *arg, int from_tty) |
c906108c SS |
2682 | { |
2683 | unsigned radix; | |
2684 | ||
bb518678 | 2685 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2686 | set_output_radix_1 (0, radix); |
2687 | set_input_radix_1 (0, radix); | |
2688 | if (from_tty) | |
2689 | { | |
3e43a32a MS |
2690 | printf_filtered (_("Input and output radices now set to " |
2691 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2692 | radix, radix, radix); |
2693 | } | |
2694 | } | |
2695 | ||
581e13c1 | 2696 | /* Show both the input and output radices. */ |
c906108c | 2697 | |
c906108c | 2698 | static void |
fba45db2 | 2699 | show_radix (char *arg, int from_tty) |
c906108c SS |
2700 | { |
2701 | if (from_tty) | |
2702 | { | |
2703 | if (input_radix == output_radix) | |
2704 | { | |
3e43a32a MS |
2705 | printf_filtered (_("Input and output radices set to " |
2706 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2707 | input_radix, input_radix, input_radix); |
2708 | } | |
2709 | else | |
2710 | { | |
3e43a32a MS |
2711 | printf_filtered (_("Input radix set to decimal " |
2712 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2713 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2714 | printf_filtered (_("Output radix set to decimal " |
2715 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2716 | output_radix, output_radix, output_radix); |
2717 | } | |
2718 | } | |
2719 | } | |
c906108c | 2720 | \f |
c5aa993b | 2721 | |
c906108c | 2722 | static void |
fba45db2 | 2723 | set_print (char *arg, int from_tty) |
c906108c SS |
2724 | { |
2725 | printf_unfiltered ( | |
c5aa993b | 2726 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
635c7e8a | 2727 | help_list (setprintlist, "set print ", all_commands, gdb_stdout); |
c906108c SS |
2728 | } |
2729 | ||
c906108c | 2730 | static void |
fba45db2 | 2731 | show_print (char *args, int from_tty) |
c906108c SS |
2732 | { |
2733 | cmd_show_list (showprintlist, from_tty, ""); | |
2734 | } | |
e7045703 DE |
2735 | |
2736 | static void | |
2737 | set_print_raw (char *arg, int from_tty) | |
2738 | { | |
2739 | printf_unfiltered ( | |
2740 | "\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n"); | |
635c7e8a | 2741 | help_list (setprintrawlist, "set print raw ", all_commands, gdb_stdout); |
e7045703 DE |
2742 | } |
2743 | ||
2744 | static void | |
2745 | show_print_raw (char *args, int from_tty) | |
2746 | { | |
2747 | cmd_show_list (showprintrawlist, from_tty, ""); | |
2748 | } | |
2749 | ||
c906108c SS |
2750 | \f |
2751 | void | |
fba45db2 | 2752 | _initialize_valprint (void) |
c906108c | 2753 | { |
c906108c | 2754 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 2755 | _("Generic command for setting how things print."), |
c906108c | 2756 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 2757 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 2758 | /* Prefer set print to set prompt. */ |
c906108c SS |
2759 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
2760 | ||
2761 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 2762 | _("Generic command for showing print settings."), |
c906108c | 2763 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
2764 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
2765 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 2766 | |
e7045703 DE |
2767 | add_prefix_cmd ("raw", no_class, set_print_raw, |
2768 | _("\ | |
2769 | Generic command for setting what things to print in \"raw\" mode."), | |
2770 | &setprintrawlist, "set print raw ", 0, &setprintlist); | |
2771 | add_prefix_cmd ("raw", no_class, show_print_raw, | |
2772 | _("Generic command for showing \"print raw\" settings."), | |
2773 | &showprintrawlist, "show print raw ", 0, &showprintlist); | |
2774 | ||
79a45b7d TT |
2775 | add_setshow_uinteger_cmd ("elements", no_class, |
2776 | &user_print_options.print_max, _("\ | |
35096d9d AC |
2777 | Set limit on string chars or array elements to print."), _("\ |
2778 | Show limit on string chars or array elements to print."), _("\ | |
f81d1120 | 2779 | \"set print elements unlimited\" causes there to be no limit."), |
35096d9d | 2780 | NULL, |
920d2a44 | 2781 | show_print_max, |
35096d9d | 2782 | &setprintlist, &showprintlist); |
c906108c | 2783 | |
79a45b7d TT |
2784 | add_setshow_boolean_cmd ("null-stop", no_class, |
2785 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
2786 | Set printing of char arrays to stop at first null char."), _("\ |
2787 | Show printing of char arrays to stop at first null char."), NULL, | |
2788 | NULL, | |
920d2a44 | 2789 | show_stop_print_at_null, |
5bf193a2 | 2790 | &setprintlist, &showprintlist); |
c906108c | 2791 | |
35096d9d | 2792 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 2793 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
2794 | Set threshold for repeated print elements."), _("\ |
2795 | Show threshold for repeated print elements."), _("\ | |
f81d1120 | 2796 | \"set print repeats unlimited\" causes all elements to be individually printed."), |
35096d9d | 2797 | NULL, |
920d2a44 | 2798 | show_repeat_count_threshold, |
35096d9d | 2799 | &setprintlist, &showprintlist); |
c906108c | 2800 | |
79a45b7d | 2801 | add_setshow_boolean_cmd ("pretty", class_support, |
2a998fc0 DE |
2802 | &user_print_options.prettyformat_structs, _("\ |
2803 | Set pretty formatting of structures."), _("\ | |
2804 | Show pretty formatting of structures."), NULL, | |
5bf193a2 | 2805 | NULL, |
2a998fc0 | 2806 | show_prettyformat_structs, |
5bf193a2 AC |
2807 | &setprintlist, &showprintlist); |
2808 | ||
79a45b7d TT |
2809 | add_setshow_boolean_cmd ("union", class_support, |
2810 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
2811 | Set printing of unions interior to structures."), _("\ |
2812 | Show printing of unions interior to structures."), NULL, | |
2813 | NULL, | |
920d2a44 | 2814 | show_unionprint, |
5bf193a2 AC |
2815 | &setprintlist, &showprintlist); |
2816 | ||
79a45b7d | 2817 | add_setshow_boolean_cmd ("array", class_support, |
2a998fc0 DE |
2818 | &user_print_options.prettyformat_arrays, _("\ |
2819 | Set pretty formatting of arrays."), _("\ | |
2820 | Show pretty formatting of arrays."), NULL, | |
5bf193a2 | 2821 | NULL, |
2a998fc0 | 2822 | show_prettyformat_arrays, |
5bf193a2 AC |
2823 | &setprintlist, &showprintlist); |
2824 | ||
79a45b7d TT |
2825 | add_setshow_boolean_cmd ("address", class_support, |
2826 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
2827 | Set printing of addresses."), _("\ |
2828 | Show printing of addresses."), NULL, | |
2829 | NULL, | |
920d2a44 | 2830 | show_addressprint, |
5bf193a2 | 2831 | &setprintlist, &showprintlist); |
c906108c | 2832 | |
9cb709b6 TT |
2833 | add_setshow_boolean_cmd ("symbol", class_support, |
2834 | &user_print_options.symbol_print, _("\ | |
2835 | Set printing of symbol names when printing pointers."), _("\ | |
2836 | Show printing of symbol names when printing pointers."), | |
2837 | NULL, NULL, | |
2838 | show_symbol_print, | |
2839 | &setprintlist, &showprintlist); | |
2840 | ||
1e8fb976 PA |
2841 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
2842 | _("\ | |
35096d9d AC |
2843 | Set default input radix for entering numbers."), _("\ |
2844 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
2845 | set_input_radix, |
2846 | show_input_radix, | |
2847 | &setlist, &showlist); | |
35096d9d | 2848 | |
1e8fb976 PA |
2849 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
2850 | _("\ | |
35096d9d AC |
2851 | Set default output radix for printing of values."), _("\ |
2852 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
2853 | set_output_radix, |
2854 | show_output_radix, | |
2855 | &setlist, &showlist); | |
c906108c | 2856 | |
cb1a6d5f AC |
2857 | /* The "set radix" and "show radix" commands are special in that |
2858 | they are like normal set and show commands but allow two normally | |
2859 | independent variables to be either set or shown with a single | |
b66df561 | 2860 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 2861 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
2862 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
2863 | longer true - show can display anything. */ | |
1a966eab AC |
2864 | add_cmd ("radix", class_support, set_radix, _("\ |
2865 | Set default input and output number radices.\n\ | |
c906108c | 2866 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 2867 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 2868 | &setlist); |
1a966eab AC |
2869 | add_cmd ("radix", class_support, show_radix, _("\ |
2870 | Show the default input and output number radices.\n\ | |
2871 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
2872 | &showlist); |
2873 | ||
e79af960 | 2874 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 2875 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
2876 | Set printing of array indexes."), _("\ |
2877 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
2878 | &setprintlist, &showprintlist); | |
c906108c | 2879 | } |