Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
42a4f53d | 3 | Copyright (C) 1986-2019 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
c906108c SS |
21 | #include "symtab.h" |
22 | #include "gdbtypes.h" | |
23 | #include "value.h" | |
24 | #include "gdbcore.h" | |
25 | #include "gdbcmd.h" | |
26 | #include "target.h" | |
c906108c | 27 | #include "language.h" |
c906108c SS |
28 | #include "annotate.h" |
29 | #include "valprint.h" | |
f69fdf9b | 30 | #include "target-float.h" |
6dddc817 | 31 | #include "extension.h" |
0c3acc09 | 32 | #include "ada-lang.h" |
3b2b8fea TT |
33 | #include "gdb_obstack.h" |
34 | #include "charset.h" | |
3f2f83dd | 35 | #include "typeprint.h" |
3b2b8fea | 36 | #include <ctype.h> |
325fac50 | 37 | #include <algorithm> |
d5722aa2 | 38 | #include "common/byte-vector.h" |
c906108c | 39 | |
0d63ecda KS |
40 | /* Maximum number of wchars returned from wchar_iterate. */ |
41 | #define MAX_WCHARS 4 | |
42 | ||
43 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
44 | characters. */ | |
45 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
46 | ||
47 | /* Character buffer size saved while iterating over wchars. */ | |
48 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
49 | ||
50 | /* A structure to encapsulate state information from iterated | |
51 | character conversions. */ | |
52 | struct converted_character | |
53 | { | |
54 | /* The number of characters converted. */ | |
55 | int num_chars; | |
56 | ||
57 | /* The result of the conversion. See charset.h for more. */ | |
58 | enum wchar_iterate_result result; | |
59 | ||
60 | /* The (saved) converted character(s). */ | |
61 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
62 | ||
63 | /* The first converted target byte. */ | |
64 | const gdb_byte *buf; | |
65 | ||
66 | /* The number of bytes converted. */ | |
67 | size_t buflen; | |
68 | ||
69 | /* How many times this character(s) is repeated. */ | |
70 | int repeat_count; | |
71 | }; | |
72 | ||
e7045703 DE |
73 | /* Command lists for set/show print raw. */ |
74 | struct cmd_list_element *setprintrawlist; | |
75 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 76 | |
c906108c SS |
77 | /* Prototypes for local functions */ |
78 | ||
777ea8f1 | 79 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 80 | int len, int *errptr); |
917317f4 | 81 | |
a14ed312 | 82 | static void set_input_radix_1 (int, unsigned); |
c906108c | 83 | |
a14ed312 | 84 | static void set_output_radix_1 (int, unsigned); |
c906108c | 85 | |
81516450 DE |
86 | static void val_print_type_code_flags (struct type *type, |
87 | const gdb_byte *valaddr, | |
88 | struct ui_file *stream); | |
89 | ||
581e13c1 | 90 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
79a45b7d TT |
91 | |
92 | struct value_print_options user_print_options = | |
93 | { | |
2a998fc0 DE |
94 | Val_prettyformat_default, /* prettyformat */ |
95 | 0, /* prettyformat_arrays */ | |
96 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
97 | 0, /* vtblprint */ |
98 | 1, /* unionprint */ | |
99 | 1, /* addressprint */ | |
100 | 0, /* objectprint */ | |
101 | PRINT_MAX_DEFAULT, /* print_max */ | |
102 | 10, /* repeat_count_threshold */ | |
103 | 0, /* output_format */ | |
104 | 0, /* format */ | |
105 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
106 | 0, /* print_array_indexes */ |
107 | 0, /* deref_ref */ | |
108 | 1, /* static_field_print */ | |
a6bac58e TT |
109 | 1, /* pascal_static_field_print */ |
110 | 0, /* raw */ | |
9cb709b6 TT |
111 | 0, /* summary */ |
112 | 1 /* symbol_print */ | |
79a45b7d TT |
113 | }; |
114 | ||
115 | /* Initialize *OPTS to be a copy of the user print options. */ | |
116 | void | |
117 | get_user_print_options (struct value_print_options *opts) | |
118 | { | |
119 | *opts = user_print_options; | |
120 | } | |
121 | ||
122 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 123 | pretty-formatting disabled. */ |
79a45b7d | 124 | void |
2a998fc0 | 125 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
126 | { |
127 | *opts = user_print_options; | |
2a998fc0 | 128 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
129 | } |
130 | ||
131 | /* Initialize *OPTS to be a copy of the user print options, but using | |
132 | FORMAT as the formatting option. */ | |
133 | void | |
134 | get_formatted_print_options (struct value_print_options *opts, | |
135 | char format) | |
136 | { | |
137 | *opts = user_print_options; | |
138 | opts->format = format; | |
139 | } | |
140 | ||
920d2a44 AC |
141 | static void |
142 | show_print_max (struct ui_file *file, int from_tty, | |
143 | struct cmd_list_element *c, const char *value) | |
144 | { | |
3e43a32a MS |
145 | fprintf_filtered (file, |
146 | _("Limit on string chars or array " | |
147 | "elements to print is %s.\n"), | |
920d2a44 AC |
148 | value); |
149 | } | |
150 | ||
c906108c SS |
151 | |
152 | /* Default input and output radixes, and output format letter. */ | |
153 | ||
154 | unsigned input_radix = 10; | |
920d2a44 AC |
155 | static void |
156 | show_input_radix (struct ui_file *file, int from_tty, | |
157 | struct cmd_list_element *c, const char *value) | |
158 | { | |
3e43a32a MS |
159 | fprintf_filtered (file, |
160 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
161 | value); |
162 | } | |
163 | ||
c906108c | 164 | unsigned output_radix = 10; |
920d2a44 AC |
165 | static void |
166 | show_output_radix (struct ui_file *file, int from_tty, | |
167 | struct cmd_list_element *c, const char *value) | |
168 | { | |
3e43a32a MS |
169 | fprintf_filtered (file, |
170 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
171 | value); |
172 | } | |
c906108c | 173 | |
e79af960 JB |
174 | /* By default we print arrays without printing the index of each element in |
175 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
176 | ||
e79af960 JB |
177 | static void |
178 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
179 | struct cmd_list_element *c, const char *value) | |
180 | { | |
181 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
182 | } | |
183 | ||
c906108c SS |
184 | /* Print repeat counts if there are more than this many repetitions of an |
185 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 186 | print routines. */ |
c906108c | 187 | |
920d2a44 AC |
188 | static void |
189 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
190 | struct cmd_list_element *c, const char *value) | |
191 | { | |
192 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
193 | value); | |
194 | } | |
c906108c | 195 | |
581e13c1 | 196 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 197 | |
920d2a44 AC |
198 | static void |
199 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
200 | struct cmd_list_element *c, const char *value) | |
201 | { | |
3e43a32a MS |
202 | fprintf_filtered (file, |
203 | _("Printing of char arrays to stop " | |
204 | "at first null char is %s.\n"), | |
920d2a44 AC |
205 | value); |
206 | } | |
c906108c | 207 | |
581e13c1 | 208 | /* Controls pretty printing of structures. */ |
c906108c | 209 | |
920d2a44 | 210 | static void |
2a998fc0 | 211 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
212 | struct cmd_list_element *c, const char *value) |
213 | { | |
2a998fc0 | 214 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 215 | } |
c906108c SS |
216 | |
217 | /* Controls pretty printing of arrays. */ | |
218 | ||
920d2a44 | 219 | static void |
2a998fc0 | 220 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
221 | struct cmd_list_element *c, const char *value) |
222 | { | |
2a998fc0 | 223 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 224 | } |
c906108c SS |
225 | |
226 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 227 | printed. */ |
c906108c | 228 | |
920d2a44 AC |
229 | static void |
230 | show_unionprint (struct ui_file *file, int from_tty, | |
231 | struct cmd_list_element *c, const char *value) | |
232 | { | |
3e43a32a MS |
233 | fprintf_filtered (file, |
234 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
235 | value); |
236 | } | |
c906108c | 237 | |
581e13c1 | 238 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 239 | |
920d2a44 AC |
240 | static void |
241 | show_addressprint (struct ui_file *file, int from_tty, | |
242 | struct cmd_list_element *c, const char *value) | |
243 | { | |
244 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
245 | } | |
9cb709b6 TT |
246 | |
247 | static void | |
248 | show_symbol_print (struct ui_file *file, int from_tty, | |
249 | struct cmd_list_element *c, const char *value) | |
250 | { | |
251 | fprintf_filtered (file, | |
252 | _("Printing of symbols when printing pointers is %s.\n"), | |
253 | value); | |
254 | } | |
255 | ||
c906108c | 256 | \f |
c5aa993b | 257 | |
a6bac58e TT |
258 | /* A helper function for val_print. When printing in "summary" mode, |
259 | we want to print scalar arguments, but not aggregate arguments. | |
260 | This function distinguishes between the two. */ | |
261 | ||
6211c335 YQ |
262 | int |
263 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 264 | { |
f168693b | 265 | type = check_typedef (type); |
aa006118 | 266 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e TT |
267 | { |
268 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 269 | type = check_typedef (type); |
a6bac58e TT |
270 | } |
271 | switch (TYPE_CODE (type)) | |
272 | { | |
273 | case TYPE_CODE_ARRAY: | |
274 | case TYPE_CODE_STRUCT: | |
275 | case TYPE_CODE_UNION: | |
276 | case TYPE_CODE_SET: | |
277 | case TYPE_CODE_STRING: | |
a6bac58e TT |
278 | return 0; |
279 | default: | |
280 | return 1; | |
281 | } | |
282 | } | |
283 | ||
a72c8f6a | 284 | /* See its definition in value.h. */ |
0e03807e | 285 | |
a72c8f6a | 286 | int |
0e03807e TT |
287 | valprint_check_validity (struct ui_file *stream, |
288 | struct type *type, | |
6b850546 | 289 | LONGEST embedded_offset, |
0e03807e TT |
290 | const struct value *val) |
291 | { | |
f168693b | 292 | type = check_typedef (type); |
0e03807e | 293 | |
3f2f83dd KB |
294 | if (type_not_associated (type)) |
295 | { | |
296 | val_print_not_associated (stream); | |
297 | return 0; | |
298 | } | |
299 | ||
300 | if (type_not_allocated (type)) | |
301 | { | |
302 | val_print_not_allocated (stream); | |
303 | return 0; | |
304 | } | |
305 | ||
0e03807e TT |
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 | { | |
3326303b MG |
321 | const int is_ref = TYPE_CODE (type) == TYPE_CODE_REF; |
322 | int ref_is_addressable = 0; | |
323 | ||
324 | if (is_ref) | |
325 | { | |
326 | const struct value *deref_val = coerce_ref_if_computed (val); | |
327 | ||
328 | if (deref_val != NULL) | |
329 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
330 | } | |
331 | ||
332 | if (!is_ref || !ref_is_addressable) | |
333 | fputs_filtered (_("<synthetic pointer>"), stream); | |
334 | ||
335 | /* C++ references should be valid even if they're synthetic. */ | |
336 | return is_ref; | |
8cf6f0b1 | 337 | } |
4e07d55f PA |
338 | |
339 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
340 | { | |
341 | val_print_unavailable (stream); | |
342 | return 0; | |
343 | } | |
0e03807e TT |
344 | } |
345 | ||
346 | return 1; | |
347 | } | |
348 | ||
585fdaa1 | 349 | void |
901461f8 | 350 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 351 | { |
901461f8 | 352 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 353 | val_print_not_saved (stream); |
901461f8 PA |
354 | else |
355 | fprintf_filtered (stream, _("<optimized out>")); | |
585fdaa1 PA |
356 | } |
357 | ||
782d47df PA |
358 | void |
359 | val_print_not_saved (struct ui_file *stream) | |
360 | { | |
361 | fprintf_filtered (stream, _("<not saved>")); | |
362 | } | |
363 | ||
4e07d55f PA |
364 | void |
365 | val_print_unavailable (struct ui_file *stream) | |
366 | { | |
367 | fprintf_filtered (stream, _("<unavailable>")); | |
368 | } | |
369 | ||
8af8e3bc PA |
370 | void |
371 | val_print_invalid_address (struct ui_file *stream) | |
372 | { | |
373 | fprintf_filtered (stream, _("<invalid address>")); | |
374 | } | |
375 | ||
9f436164 SM |
376 | /* Print a pointer based on the type of its target. |
377 | ||
378 | Arguments to this functions are roughly the same as those in | |
379 | generic_val_print. A difference is that ADDRESS is the address to print, | |
380 | with embedded_offset already added. ELTTYPE represents | |
381 | the pointed type after check_typedef. */ | |
382 | ||
383 | static void | |
384 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
385 | CORE_ADDR address, struct ui_file *stream, | |
386 | const struct value_print_options *options) | |
387 | { | |
388 | struct gdbarch *gdbarch = get_type_arch (type); | |
389 | ||
390 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
391 | { | |
392 | /* Try to print what function it points to. */ | |
393 | print_function_pointer_address (options, gdbarch, address, stream); | |
394 | return; | |
395 | } | |
396 | ||
397 | if (options->symbol_print) | |
398 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
399 | else if (options->addressprint) | |
400 | fputs_filtered (paddress (gdbarch, address), stream); | |
401 | } | |
402 | ||
557dbe8a SM |
403 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
404 | ||
405 | static void | |
e8b24d9f | 406 | generic_val_print_array (struct type *type, |
00272ec4 TT |
407 | int embedded_offset, CORE_ADDR address, |
408 | struct ui_file *stream, int recurse, | |
e8b24d9f | 409 | struct value *original_value, |
00272ec4 TT |
410 | const struct value_print_options *options, |
411 | const struct | |
412 | generic_val_print_decorations *decorations) | |
557dbe8a SM |
413 | { |
414 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); | |
415 | struct type *elttype = check_typedef (unresolved_elttype); | |
416 | ||
417 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
418 | { | |
419 | LONGEST low_bound, high_bound; | |
420 | ||
421 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
422 | error (_("Could not determine the array high bound")); | |
423 | ||
424 | if (options->prettyformat_arrays) | |
425 | { | |
426 | print_spaces_filtered (2 + 2 * recurse, stream); | |
427 | } | |
428 | ||
00272ec4 | 429 | fputs_filtered (decorations->array_start, stream); |
e8b24d9f | 430 | val_print_array_elements (type, embedded_offset, |
557dbe8a SM |
431 | address, stream, |
432 | recurse, original_value, options, 0); | |
00272ec4 | 433 | fputs_filtered (decorations->array_end, stream); |
557dbe8a SM |
434 | } |
435 | else | |
436 | { | |
437 | /* Array of unspecified length: treat like pointer to first elt. */ | |
438 | print_unpacked_pointer (type, elttype, address + embedded_offset, stream, | |
439 | options); | |
440 | } | |
441 | ||
442 | } | |
443 | ||
81eb921a SM |
444 | /* generic_val_print helper for TYPE_CODE_PTR. */ |
445 | ||
446 | static void | |
e8b24d9f | 447 | generic_val_print_ptr (struct type *type, |
81eb921a | 448 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 449 | struct value *original_value, |
81eb921a SM |
450 | const struct value_print_options *options) |
451 | { | |
3ae385af SM |
452 | struct gdbarch *gdbarch = get_type_arch (type); |
453 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
454 | ||
81eb921a SM |
455 | if (options->format && options->format != 's') |
456 | { | |
e8b24d9f | 457 | val_print_scalar_formatted (type, embedded_offset, |
81eb921a SM |
458 | original_value, options, 0, stream); |
459 | } | |
460 | else | |
461 | { | |
462 | struct type *unresolved_elttype = TYPE_TARGET_TYPE(type); | |
463 | struct type *elttype = check_typedef (unresolved_elttype); | |
e8b24d9f | 464 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af SM |
465 | CORE_ADDR addr = unpack_pointer (type, |
466 | valaddr + embedded_offset * unit_size); | |
81eb921a SM |
467 | |
468 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
469 | } | |
470 | } | |
471 | ||
45000ea2 SM |
472 | |
473 | /* generic_val_print helper for TYPE_CODE_MEMBERPTR. */ | |
474 | ||
475 | static void | |
e8b24d9f | 476 | generic_val_print_memberptr (struct type *type, |
45000ea2 | 477 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 478 | struct value *original_value, |
45000ea2 SM |
479 | const struct value_print_options *options) |
480 | { | |
e8b24d9f | 481 | val_print_scalar_formatted (type, embedded_offset, |
45000ea2 SM |
482 | original_value, options, 0, stream); |
483 | } | |
484 | ||
3326303b MG |
485 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
486 | ||
487 | static void | |
488 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
489 | int embedded_offset, struct ui_file *stream) | |
490 | { | |
491 | struct gdbarch *gdbarch = get_type_arch (type); | |
492 | ||
493 | if (address_buffer != NULL) | |
494 | { | |
495 | CORE_ADDR address | |
496 | = extract_typed_address (address_buffer + embedded_offset, type); | |
497 | ||
498 | fprintf_filtered (stream, "@"); | |
499 | fputs_filtered (paddress (gdbarch, address), stream); | |
500 | } | |
501 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
502 | } | |
503 | ||
504 | /* If VAL is addressable, return the value contents buffer of a value that | |
505 | represents a pointer to VAL. Otherwise return NULL. */ | |
506 | ||
507 | static const gdb_byte * | |
508 | get_value_addr_contents (struct value *deref_val) | |
509 | { | |
510 | gdb_assert (deref_val != NULL); | |
511 | ||
512 | if (value_lval_const (deref_val) == lval_memory) | |
513 | return value_contents_for_printing_const (value_addr (deref_val)); | |
514 | else | |
515 | { | |
516 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
517 | return NULL; | |
518 | } | |
519 | } | |
520 | ||
aa006118 | 521 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
522 | |
523 | static void | |
e8b24d9f | 524 | generic_val_print_ref (struct type *type, |
fe43fede | 525 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 526 | struct value *original_value, |
fe43fede SM |
527 | const struct value_print_options *options) |
528 | { | |
fe43fede | 529 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
3326303b MG |
530 | struct value *deref_val = NULL; |
531 | const int value_is_synthetic | |
532 | = value_bits_synthetic_pointer (original_value, | |
533 | TARGET_CHAR_BIT * embedded_offset, | |
534 | TARGET_CHAR_BIT * TYPE_LENGTH (type)); | |
535 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) | |
536 | || options->deref_ref); | |
537 | const int type_is_defined = TYPE_CODE (elttype) != TYPE_CODE_UNDEF; | |
e8b24d9f | 538 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3326303b MG |
539 | |
540 | if (must_coerce_ref && type_is_defined) | |
541 | { | |
542 | deref_val = coerce_ref_if_computed (original_value); | |
543 | ||
544 | if (deref_val != NULL) | |
545 | { | |
546 | /* More complicated computed references are not supported. */ | |
547 | gdb_assert (embedded_offset == 0); | |
548 | } | |
549 | else | |
550 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
551 | unpack_pointer (type, valaddr + embedded_offset)); | |
552 | } | |
553 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
554 | the reference's contents. | |
555 | ||
556 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
557 | cause original_value to be a not_lval instead of an lval_computed, | |
558 | which will make value_bits_synthetic_pointer return false. | |
559 | This happens because if options->objectprint is true, c_value_print will | |
560 | overwrite original_value's contents with the result of coercing | |
561 | the reference through value_addr, and then set its type back to | |
562 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
563 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
564 | |
565 | if (options->addressprint) | |
566 | { | |
3326303b MG |
567 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
568 | ? get_value_addr_contents (deref_val) | |
569 | : valaddr); | |
570 | ||
571 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 572 | |
fe43fede SM |
573 | if (options->deref_ref) |
574 | fputs_filtered (": ", stream); | |
575 | } | |
3326303b | 576 | |
fe43fede SM |
577 | if (options->deref_ref) |
578 | { | |
3326303b MG |
579 | if (type_is_defined) |
580 | common_val_print (deref_val, stream, recurse, options, | |
581 | current_language); | |
fe43fede SM |
582 | else |
583 | fputs_filtered ("???", stream); | |
584 | } | |
585 | } | |
586 | ||
81516450 DE |
587 | /* Helper function for generic_val_print_enum. |
588 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
589 | |
590 | static void | |
81516450 DE |
591 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
592 | struct ui_file *stream) | |
ef0bc0dd SM |
593 | { |
594 | unsigned int i; | |
595 | unsigned int len; | |
ef0bc0dd | 596 | |
ef0bc0dd | 597 | len = TYPE_NFIELDS (type); |
ef0bc0dd SM |
598 | for (i = 0; i < len; i++) |
599 | { | |
600 | QUIT; | |
601 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
602 | { | |
603 | break; | |
604 | } | |
605 | } | |
606 | if (i < len) | |
607 | { | |
608 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
609 | } | |
610 | else if (TYPE_FLAG_ENUM (type)) | |
611 | { | |
612 | int first = 1; | |
613 | ||
614 | /* We have a "flag" enum, so we try to decompose it into | |
615 | pieces as appropriate. A flag enum has disjoint | |
616 | constants by definition. */ | |
617 | fputs_filtered ("(", stream); | |
618 | for (i = 0; i < len; ++i) | |
619 | { | |
620 | QUIT; | |
621 | ||
622 | if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0) | |
623 | { | |
624 | if (!first) | |
625 | fputs_filtered (" | ", stream); | |
626 | first = 0; | |
627 | ||
628 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
629 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
630 | } | |
631 | } | |
632 | ||
633 | if (first || val != 0) | |
634 | { | |
635 | if (!first) | |
636 | fputs_filtered (" | ", stream); | |
637 | fputs_filtered ("unknown: ", stream); | |
638 | print_longest (stream, 'd', 0, val); | |
639 | } | |
640 | ||
641 | fputs_filtered (")", stream); | |
642 | } | |
643 | else | |
644 | print_longest (stream, 'd', 0, val); | |
645 | } | |
646 | ||
81516450 DE |
647 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
648 | ||
649 | static void | |
e8b24d9f | 650 | generic_val_print_enum (struct type *type, |
81516450 | 651 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 652 | struct value *original_value, |
81516450 DE |
653 | const struct value_print_options *options) |
654 | { | |
655 | LONGEST val; | |
656 | struct gdbarch *gdbarch = get_type_arch (type); | |
657 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
658 | ||
659 | if (options->format) | |
660 | { | |
e8b24d9f | 661 | val_print_scalar_formatted (type, embedded_offset, |
81516450 | 662 | original_value, options, 0, stream); |
81516450 | 663 | } |
e8b24d9f YQ |
664 | else |
665 | { | |
666 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
667 | ||
668 | val = unpack_long (type, valaddr + embedded_offset * unit_size); | |
81516450 | 669 | |
e8b24d9f YQ |
670 | generic_val_print_enum_1 (type, val, stream); |
671 | } | |
81516450 DE |
672 | } |
673 | ||
d93880bd SM |
674 | /* generic_val_print helper for TYPE_CODE_FLAGS. */ |
675 | ||
676 | static void | |
e8b24d9f | 677 | generic_val_print_flags (struct type *type, |
d93880bd | 678 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 679 | struct value *original_value, |
d93880bd SM |
680 | const struct value_print_options *options) |
681 | ||
682 | { | |
683 | if (options->format) | |
e8b24d9f | 684 | val_print_scalar_formatted (type, embedded_offset, original_value, |
d93880bd SM |
685 | options, 0, stream); |
686 | else | |
e8b24d9f YQ |
687 | { |
688 | const gdb_byte *valaddr = value_contents_for_printing (original_value); | |
689 | ||
690 | val_print_type_code_flags (type, valaddr + embedded_offset, stream); | |
691 | } | |
d93880bd SM |
692 | } |
693 | ||
4a8c372f SM |
694 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
695 | ||
696 | static void | |
e8b24d9f | 697 | generic_val_print_func (struct type *type, |
4a8c372f SM |
698 | int embedded_offset, CORE_ADDR address, |
699 | struct ui_file *stream, | |
e8b24d9f | 700 | struct value *original_value, |
4a8c372f SM |
701 | const struct value_print_options *options) |
702 | { | |
703 | struct gdbarch *gdbarch = get_type_arch (type); | |
704 | ||
705 | if (options->format) | |
706 | { | |
e8b24d9f | 707 | val_print_scalar_formatted (type, embedded_offset, |
4a8c372f SM |
708 | original_value, options, 0, stream); |
709 | } | |
710 | else | |
711 | { | |
712 | /* FIXME, we should consider, at least for ANSI C language, | |
713 | eliminating the distinction made between FUNCs and POINTERs | |
714 | to FUNCs. */ | |
715 | fprintf_filtered (stream, "{"); | |
716 | type_print (type, "", stream, -1); | |
717 | fprintf_filtered (stream, "} "); | |
718 | /* Try to print what function it points to, and its address. */ | |
719 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
720 | } | |
721 | } | |
722 | ||
e5bead4b SM |
723 | /* generic_val_print helper for TYPE_CODE_BOOL. */ |
724 | ||
725 | static void | |
e8b24d9f | 726 | generic_val_print_bool (struct type *type, |
e5bead4b | 727 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 728 | struct value *original_value, |
e5bead4b SM |
729 | const struct value_print_options *options, |
730 | const struct generic_val_print_decorations *decorations) | |
731 | { | |
732 | LONGEST val; | |
3ae385af SM |
733 | struct gdbarch *gdbarch = get_type_arch (type); |
734 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e5bead4b SM |
735 | |
736 | if (options->format || options->output_format) | |
737 | { | |
738 | struct value_print_options opts = *options; | |
739 | opts.format = (options->format ? options->format | |
740 | : options->output_format); | |
e8b24d9f | 741 | val_print_scalar_formatted (type, embedded_offset, |
e5bead4b SM |
742 | original_value, &opts, 0, stream); |
743 | } | |
744 | else | |
745 | { | |
e8b24d9f YQ |
746 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
747 | ||
3ae385af | 748 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
e5bead4b SM |
749 | if (val == 0) |
750 | fputs_filtered (decorations->false_name, stream); | |
751 | else if (val == 1) | |
752 | fputs_filtered (decorations->true_name, stream); | |
753 | else | |
754 | print_longest (stream, 'd', 0, val); | |
755 | } | |
756 | } | |
757 | ||
b21b6342 SM |
758 | /* generic_val_print helper for TYPE_CODE_INT. */ |
759 | ||
760 | static void | |
e8b24d9f | 761 | generic_val_print_int (struct type *type, |
b21b6342 | 762 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 763 | struct value *original_value, |
b21b6342 SM |
764 | const struct value_print_options *options) |
765 | { | |
f12f6bad | 766 | struct value_print_options opts = *options; |
3ae385af | 767 | |
f12f6bad TT |
768 | opts.format = (options->format ? options->format |
769 | : options->output_format); | |
770 | val_print_scalar_formatted (type, embedded_offset, | |
771 | original_value, &opts, 0, stream); | |
b21b6342 SM |
772 | } |
773 | ||
385f5aff SM |
774 | /* generic_val_print helper for TYPE_CODE_CHAR. */ |
775 | ||
776 | static void | |
777 | generic_val_print_char (struct type *type, struct type *unresolved_type, | |
e8b24d9f | 778 | int embedded_offset, |
385f5aff | 779 | struct ui_file *stream, |
e8b24d9f | 780 | struct value *original_value, |
385f5aff SM |
781 | const struct value_print_options *options) |
782 | { | |
783 | LONGEST val; | |
3ae385af SM |
784 | struct gdbarch *gdbarch = get_type_arch (type); |
785 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
385f5aff SM |
786 | |
787 | if (options->format || options->output_format) | |
788 | { | |
789 | struct value_print_options opts = *options; | |
790 | ||
791 | opts.format = (options->format ? options->format | |
792 | : options->output_format); | |
e8b24d9f | 793 | val_print_scalar_formatted (type, embedded_offset, |
385f5aff SM |
794 | original_value, &opts, 0, stream); |
795 | } | |
796 | else | |
797 | { | |
e8b24d9f YQ |
798 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
799 | ||
3ae385af | 800 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
385f5aff SM |
801 | if (TYPE_UNSIGNED (type)) |
802 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
803 | else | |
804 | fprintf_filtered (stream, "%d", (int) val); | |
805 | fputs_filtered (" ", stream); | |
806 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
807 | } | |
808 | } | |
809 | ||
fdf0cbc2 | 810 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
811 | |
812 | static void | |
e8b24d9f | 813 | generic_val_print_float (struct type *type, |
7784724b | 814 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 815 | struct value *original_value, |
7784724b SM |
816 | const struct value_print_options *options) |
817 | { | |
3ae385af SM |
818 | struct gdbarch *gdbarch = get_type_arch (type); |
819 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
820 | ||
7784724b SM |
821 | if (options->format) |
822 | { | |
e8b24d9f | 823 | val_print_scalar_formatted (type, embedded_offset, |
7784724b SM |
824 | original_value, options, 0, stream); |
825 | } | |
826 | else | |
827 | { | |
e8b24d9f YQ |
828 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
829 | ||
3ae385af | 830 | print_floating (valaddr + embedded_offset * unit_size, type, stream); |
7784724b SM |
831 | } |
832 | } | |
833 | ||
0c87c0bf SM |
834 | /* generic_val_print helper for TYPE_CODE_COMPLEX. */ |
835 | ||
836 | static void | |
e8b24d9f | 837 | generic_val_print_complex (struct type *type, |
0c87c0bf | 838 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 839 | struct value *original_value, |
0c87c0bf SM |
840 | const struct value_print_options *options, |
841 | const struct generic_val_print_decorations | |
842 | *decorations) | |
843 | { | |
3ae385af SM |
844 | struct gdbarch *gdbarch = get_type_arch (type); |
845 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
e8b24d9f | 846 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3ae385af | 847 | |
0c87c0bf SM |
848 | fprintf_filtered (stream, "%s", decorations->complex_prefix); |
849 | if (options->format) | |
e8b24d9f | 850 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf SM |
851 | embedded_offset, original_value, options, 0, |
852 | stream); | |
853 | else | |
3ae385af SM |
854 | print_floating (valaddr + embedded_offset * unit_size, |
855 | TYPE_TARGET_TYPE (type), stream); | |
0c87c0bf SM |
856 | fprintf_filtered (stream, "%s", decorations->complex_infix); |
857 | if (options->format) | |
e8b24d9f | 858 | val_print_scalar_formatted (TYPE_TARGET_TYPE (type), |
0c87c0bf | 859 | embedded_offset |
3ae385af | 860 | + type_length_units (TYPE_TARGET_TYPE (type)), |
0c87c0bf SM |
861 | original_value, options, 0, stream); |
862 | else | |
3ae385af | 863 | print_floating (valaddr + embedded_offset * unit_size |
0c87c0bf SM |
864 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), |
865 | TYPE_TARGET_TYPE (type), stream); | |
866 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
867 | } | |
868 | ||
e88acd96 TT |
869 | /* A generic val_print that is suitable for use by language |
870 | implementations of the la_val_print method. This function can | |
871 | handle most type codes, though not all, notably exception | |
872 | TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by | |
873 | the caller. | |
874 | ||
875 | Most arguments are as to val_print. | |
876 | ||
877 | The additional DECORATIONS argument can be used to customize the | |
878 | output in some small, language-specific ways. */ | |
879 | ||
880 | void | |
e8b24d9f | 881 | generic_val_print (struct type *type, |
e88acd96 TT |
882 | int embedded_offset, CORE_ADDR address, |
883 | struct ui_file *stream, int recurse, | |
e8b24d9f | 884 | struct value *original_value, |
e88acd96 TT |
885 | const struct value_print_options *options, |
886 | const struct generic_val_print_decorations *decorations) | |
887 | { | |
e88acd96 | 888 | struct type *unresolved_type = type; |
e88acd96 | 889 | |
f168693b | 890 | type = check_typedef (type); |
e88acd96 TT |
891 | switch (TYPE_CODE (type)) |
892 | { | |
893 | case TYPE_CODE_ARRAY: | |
e8b24d9f | 894 | generic_val_print_array (type, embedded_offset, address, stream, |
00272ec4 | 895 | recurse, original_value, options, decorations); |
9f436164 | 896 | break; |
e88acd96 TT |
897 | |
898 | case TYPE_CODE_MEMBERPTR: | |
e8b24d9f | 899 | generic_val_print_memberptr (type, embedded_offset, stream, |
45000ea2 | 900 | original_value, options); |
e88acd96 TT |
901 | break; |
902 | ||
903 | case TYPE_CODE_PTR: | |
e8b24d9f | 904 | generic_val_print_ptr (type, embedded_offset, stream, |
81eb921a | 905 | original_value, options); |
e88acd96 TT |
906 | break; |
907 | ||
908 | case TYPE_CODE_REF: | |
aa006118 | 909 | case TYPE_CODE_RVALUE_REF: |
e8b24d9f | 910 | generic_val_print_ref (type, embedded_offset, stream, recurse, |
fe43fede | 911 | original_value, options); |
e88acd96 TT |
912 | break; |
913 | ||
914 | case TYPE_CODE_ENUM: | |
e8b24d9f | 915 | generic_val_print_enum (type, embedded_offset, stream, |
ef0bc0dd | 916 | original_value, options); |
e88acd96 TT |
917 | break; |
918 | ||
919 | case TYPE_CODE_FLAGS: | |
e8b24d9f | 920 | generic_val_print_flags (type, embedded_offset, stream, |
d93880bd | 921 | original_value, options); |
e88acd96 TT |
922 | break; |
923 | ||
924 | case TYPE_CODE_FUNC: | |
925 | case TYPE_CODE_METHOD: | |
e8b24d9f | 926 | generic_val_print_func (type, embedded_offset, address, stream, |
4a8c372f | 927 | original_value, options); |
e88acd96 TT |
928 | break; |
929 | ||
930 | case TYPE_CODE_BOOL: | |
e8b24d9f | 931 | generic_val_print_bool (type, embedded_offset, stream, |
e5bead4b | 932 | original_value, options, decorations); |
e88acd96 TT |
933 | break; |
934 | ||
935 | case TYPE_CODE_RANGE: | |
0c9c3474 | 936 | /* FIXME: create_static_range_type does not set the unsigned bit in a |
e88acd96 TT |
937 | range type (I think it probably should copy it from the |
938 | target type), so we won't print values which are too large to | |
939 | fit in a signed integer correctly. */ | |
940 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
941 | print with the target type, though, because the size of our | |
942 | type and the target type might differ). */ | |
943 | ||
944 | /* FALLTHROUGH */ | |
945 | ||
946 | case TYPE_CODE_INT: | |
e8b24d9f | 947 | generic_val_print_int (type, embedded_offset, stream, |
b21b6342 | 948 | original_value, options); |
e88acd96 TT |
949 | break; |
950 | ||
951 | case TYPE_CODE_CHAR: | |
e8b24d9f | 952 | generic_val_print_char (type, unresolved_type, embedded_offset, |
385f5aff | 953 | stream, original_value, options); |
e88acd96 TT |
954 | break; |
955 | ||
956 | case TYPE_CODE_FLT: | |
fdf0cbc2 | 957 | case TYPE_CODE_DECFLOAT: |
e8b24d9f | 958 | generic_val_print_float (type, embedded_offset, stream, |
7784724b | 959 | original_value, options); |
e88acd96 TT |
960 | break; |
961 | ||
e88acd96 TT |
962 | case TYPE_CODE_VOID: |
963 | fputs_filtered (decorations->void_name, stream); | |
964 | break; | |
965 | ||
966 | case TYPE_CODE_ERROR: | |
967 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
968 | break; | |
969 | ||
970 | case TYPE_CODE_UNDEF: | |
a9ff5f12 UW |
971 | /* This happens (without TYPE_STUB set) on systems which don't use |
972 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
973 | and no complete type for struct foo in that file. */ | |
e88acd96 TT |
974 | fprintf_filtered (stream, _("<incomplete type>")); |
975 | break; | |
976 | ||
977 | case TYPE_CODE_COMPLEX: | |
e8b24d9f | 978 | generic_val_print_complex (type, embedded_offset, stream, |
0c87c0bf | 979 | original_value, options, decorations); |
e88acd96 TT |
980 | break; |
981 | ||
982 | case TYPE_CODE_UNION: | |
983 | case TYPE_CODE_STRUCT: | |
984 | case TYPE_CODE_METHODPTR: | |
985 | default: | |
986 | error (_("Unhandled type code %d in symbol table."), | |
987 | TYPE_CODE (type)); | |
988 | } | |
e88acd96 TT |
989 | } |
990 | ||
32b72a42 | 991 | /* Print using the given LANGUAGE the data of type TYPE located at |
e8b24d9f YQ |
992 | VAL's contents buffer + EMBEDDED_OFFSET (within GDB), which came |
993 | from the inferior at address ADDRESS + EMBEDDED_OFFSET, onto | |
994 | stdio stream STREAM according to OPTIONS. VAL is the whole object | |
995 | that came from ADDRESS. | |
32b72a42 PA |
996 | |
997 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
998 | further helper subroutines as subfields of TYPE are printed. In | |
e8b24d9f | 999 | such cases, VAL is passed down unadjusted, so |
32b72a42 PA |
1000 | that VAL can be queried for metadata about the contents data being |
1001 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
1002 | buffer. For example: "has this field been optimized out", or "I'm | |
1003 | printing an object while inspecting a traceframe; has this | |
1004 | particular piece of data been collected?". | |
1005 | ||
1006 | RECURSE indicates the amount of indentation to supply before | |
1007 | continuation lines; this amount is roughly twice the value of | |
35c0084b | 1008 | RECURSE. */ |
32b72a42 | 1009 | |
35c0084b | 1010 | void |
e8b24d9f | 1011 | val_print (struct type *type, LONGEST embedded_offset, |
79a45b7d | 1012 | CORE_ADDR address, struct ui_file *stream, int recurse, |
e8b24d9f | 1013 | struct value *val, |
79a45b7d | 1014 | const struct value_print_options *options, |
d8ca156b | 1015 | const struct language_defn *language) |
c906108c | 1016 | { |
19ca80ba | 1017 | int ret = 0; |
79a45b7d | 1018 | struct value_print_options local_opts = *options; |
c906108c | 1019 | struct type *real_type = check_typedef (type); |
79a45b7d | 1020 | |
2a998fc0 DE |
1021 | if (local_opts.prettyformat == Val_prettyformat_default) |
1022 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
1023 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 1024 | |
c906108c SS |
1025 | QUIT; |
1026 | ||
1027 | /* Ensure that the type is complete and not just a stub. If the type is | |
1028 | only a stub and we can't find and substitute its complete type, then | |
1029 | print appropriate string and return. */ | |
1030 | ||
74a9bb82 | 1031 | if (TYPE_STUB (real_type)) |
c906108c | 1032 | { |
0e03807e | 1033 | fprintf_filtered (stream, _("<incomplete type>")); |
35c0084b | 1034 | return; |
c906108c | 1035 | } |
c5aa993b | 1036 | |
0e03807e | 1037 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
35c0084b | 1038 | return; |
0e03807e | 1039 | |
a6bac58e TT |
1040 | if (!options->raw) |
1041 | { | |
668e1674 | 1042 | ret = apply_ext_lang_val_pretty_printer (type, embedded_offset, |
6dddc817 DE |
1043 | address, stream, recurse, |
1044 | val, options, language); | |
a6bac58e | 1045 | if (ret) |
35c0084b | 1046 | return; |
a6bac58e TT |
1047 | } |
1048 | ||
1049 | /* Handle summary mode. If the value is a scalar, print it; | |
1050 | otherwise, print an ellipsis. */ | |
6211c335 | 1051 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
1052 | { |
1053 | fprintf_filtered (stream, "..."); | |
35c0084b | 1054 | return; |
a6bac58e TT |
1055 | } |
1056 | ||
a70b8144 | 1057 | try |
19ca80ba | 1058 | { |
e8b24d9f | 1059 | language->la_val_print (type, embedded_offset, address, |
d3eab38a TT |
1060 | stream, recurse, val, |
1061 | &local_opts); | |
19ca80ba | 1062 | } |
230d2906 | 1063 | catch (const gdb_exception_error &except) |
492d29ea PA |
1064 | { |
1065 | fprintf_filtered (stream, _("<error reading variable>")); | |
1066 | } | |
c906108c SS |
1067 | } |
1068 | ||
806048c6 | 1069 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1070 | return 0 and print an appropriate error message to STREAM according to |
1071 | OPTIONS if it is not. */ | |
c906108c | 1072 | |
806048c6 | 1073 | static int |
6501578c YQ |
1074 | value_check_printable (struct value *val, struct ui_file *stream, |
1075 | const struct value_print_options *options) | |
c906108c SS |
1076 | { |
1077 | if (val == 0) | |
1078 | { | |
806048c6 | 1079 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
1080 | return 0; |
1081 | } | |
806048c6 | 1082 | |
0e03807e | 1083 | if (value_entirely_optimized_out (val)) |
c906108c | 1084 | { |
6211c335 | 1085 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1086 | fprintf_filtered (stream, "..."); |
1087 | else | |
901461f8 | 1088 | val_print_optimized_out (val, stream); |
c906108c SS |
1089 | return 0; |
1090 | } | |
806048c6 | 1091 | |
eebc056c AB |
1092 | if (value_entirely_unavailable (val)) |
1093 | { | |
1094 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1095 | fprintf_filtered (stream, "..."); | |
1096 | else | |
1097 | val_print_unavailable (stream); | |
1098 | return 0; | |
1099 | } | |
1100 | ||
bc3b79fd TJB |
1101 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
1102 | { | |
1103 | fprintf_filtered (stream, _("<internal function %s>"), | |
1104 | value_internal_function_name (val)); | |
1105 | return 0; | |
1106 | } | |
1107 | ||
3f2f83dd KB |
1108 | if (type_not_associated (value_type (val))) |
1109 | { | |
1110 | val_print_not_associated (stream); | |
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | if (type_not_allocated (value_type (val))) | |
1115 | { | |
1116 | val_print_not_allocated (stream); | |
1117 | return 0; | |
1118 | } | |
1119 | ||
806048c6 DJ |
1120 | return 1; |
1121 | } | |
1122 | ||
d8ca156b | 1123 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1124 | to OPTIONS. |
806048c6 | 1125 | |
806048c6 DJ |
1126 | This is a preferable interface to val_print, above, because it uses |
1127 | GDB's value mechanism. */ | |
1128 | ||
a1f5dd1b | 1129 | void |
79a45b7d TT |
1130 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1131 | const struct value_print_options *options, | |
d8ca156b | 1132 | const struct language_defn *language) |
806048c6 | 1133 | { |
6501578c | 1134 | if (!value_check_printable (val, stream, options)) |
a1f5dd1b | 1135 | return; |
806048c6 | 1136 | |
0c3acc09 JB |
1137 | if (language->la_language == language_ada) |
1138 | /* The value might have a dynamic type, which would cause trouble | |
1139 | below when trying to extract the value contents (since the value | |
1140 | size is determined from the type size which is unknown). So | |
1141 | get a fixed representation of our value. */ | |
1142 | val = ada_to_fixed_value (val); | |
1143 | ||
7d45f3df YQ |
1144 | if (value_lazy (val)) |
1145 | value_fetch_lazy (val); | |
1146 | ||
e8b24d9f | 1147 | val_print (value_type (val), |
a1f5dd1b TT |
1148 | value_embedded_offset (val), value_address (val), |
1149 | stream, recurse, | |
1150 | val, options, language); | |
806048c6 DJ |
1151 | } |
1152 | ||
7348c5e1 | 1153 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1154 | is printed using the current_language syntax. */ |
7348c5e1 | 1155 | |
8e069a98 | 1156 | void |
79a45b7d TT |
1157 | value_print (struct value *val, struct ui_file *stream, |
1158 | const struct value_print_options *options) | |
806048c6 | 1159 | { |
6501578c | 1160 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1161 | return; |
806048c6 | 1162 | |
a6bac58e TT |
1163 | if (!options->raw) |
1164 | { | |
6dddc817 DE |
1165 | int r |
1166 | = apply_ext_lang_val_pretty_printer (value_type (val), | |
6dddc817 DE |
1167 | value_embedded_offset (val), |
1168 | value_address (val), | |
1169 | stream, 0, | |
1170 | val, options, current_language); | |
a109c7c1 | 1171 | |
a6bac58e | 1172 | if (r) |
8e069a98 | 1173 | return; |
a6bac58e TT |
1174 | } |
1175 | ||
8e069a98 | 1176 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1177 | } |
1178 | ||
81516450 | 1179 | static void |
4f2aea11 MK |
1180 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, |
1181 | struct ui_file *stream) | |
1182 | { | |
befae759 | 1183 | ULONGEST val = unpack_long (type, valaddr); |
81516450 DE |
1184 | int field, nfields = TYPE_NFIELDS (type); |
1185 | struct gdbarch *gdbarch = get_type_arch (type); | |
1186 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; | |
4f2aea11 | 1187 | |
81516450 DE |
1188 | fputs_filtered ("[", stream); |
1189 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1190 | { |
81516450 | 1191 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1192 | { |
81516450 DE |
1193 | struct type *field_type = TYPE_FIELD_TYPE (type, field); |
1194 | ||
1195 | if (field_type == bool_type | |
1196 | /* We require boolean types here to be one bit wide. This is a | |
1197 | problematic place to notify the user of an internal error | |
1198 | though. Instead just fall through and print the field as an | |
1199 | int. */ | |
1200 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1201 | { | |
1202 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
1203 | fprintf_filtered (stream, " %s", | |
1204 | TYPE_FIELD_NAME (type, field)); | |
1205 | } | |
4f2aea11 | 1206 | else |
81516450 DE |
1207 | { |
1208 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1209 | ULONGEST field_val | |
1210 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1211 | ||
1212 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1213 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
1214 | fprintf_filtered (stream, " %s=", | |
1215 | TYPE_FIELD_NAME (type, field)); | |
1216 | if (TYPE_CODE (field_type) == TYPE_CODE_ENUM) | |
1217 | generic_val_print_enum_1 (field_type, field_val, stream); | |
1218 | else | |
1219 | print_longest (stream, 'd', 0, field_val); | |
1220 | } | |
4f2aea11 MK |
1221 | } |
1222 | } | |
81516450 | 1223 | fputs_filtered (" ]", stream); |
19c37f24 | 1224 | } |
ab2188aa PA |
1225 | |
1226 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
1227 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
1228 | at this level. | |
1229 | ||
1230 | This is how the elements of an array or structure are printed | |
1231 | with a format. */ | |
ab2188aa PA |
1232 | |
1233 | void | |
1234 | val_print_scalar_formatted (struct type *type, | |
e8b24d9f YQ |
1235 | LONGEST embedded_offset, |
1236 | struct value *val, | |
ab2188aa PA |
1237 | const struct value_print_options *options, |
1238 | int size, | |
1239 | struct ui_file *stream) | |
1240 | { | |
3ae385af SM |
1241 | struct gdbarch *arch = get_type_arch (type); |
1242 | int unit_size = gdbarch_addressable_memory_unit_size (arch); | |
1243 | ||
ab2188aa | 1244 | gdb_assert (val != NULL); |
ab2188aa PA |
1245 | |
1246 | /* If we get here with a string format, try again without it. Go | |
1247 | all the way back to the language printers, which may call us | |
1248 | again. */ | |
1249 | if (options->format == 's') | |
1250 | { | |
1251 | struct value_print_options opts = *options; | |
1252 | opts.format = 0; | |
1253 | opts.deref_ref = 0; | |
e8b24d9f | 1254 | val_print (type, embedded_offset, 0, stream, 0, val, &opts, |
ab2188aa PA |
1255 | current_language); |
1256 | return; | |
1257 | } | |
1258 | ||
e8b24d9f YQ |
1259 | /* value_contents_for_printing fetches all VAL's contents. They are |
1260 | needed to check whether VAL is optimized-out or unavailable | |
1261 | below. */ | |
1262 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1263 | ||
ab2188aa PA |
1264 | /* A scalar object that does not have all bits available can't be |
1265 | printed, because all bits contribute to its representation. */ | |
9a0dc9e3 PA |
1266 | if (value_bits_any_optimized_out (val, |
1267 | TARGET_CHAR_BIT * embedded_offset, | |
1268 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
901461f8 | 1269 | val_print_optimized_out (val, stream); |
4e07d55f PA |
1270 | else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) |
1271 | val_print_unavailable (stream); | |
ab2188aa | 1272 | else |
3ae385af | 1273 | print_scalar_formatted (valaddr + embedded_offset * unit_size, type, |
ab2188aa | 1274 | options, size, stream); |
4f2aea11 MK |
1275 | } |
1276 | ||
c906108c SS |
1277 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1278 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1279 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1280 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1281 | format. |
bb599908 PH |
1282 | |
1283 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1284 | 'o' and 'x' format do not include the standard C radix prefix | |
1285 | (leading 0 or 0x). | |
1286 | ||
1287 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
1288 | and was intended to request formating according to the current | |
1289 | language and would be used for most integers that GDB prints. The | |
1290 | exceptional cases were things like protocols where the format of | |
1291 | the integer is a protocol thing, not a user-visible thing). The | |
1292 | parameter remains to preserve the information of what things might | |
1293 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1294 | that capability. */ |
c906108c SS |
1295 | |
1296 | void | |
bb599908 | 1297 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1298 | LONGEST val_long) |
c906108c | 1299 | { |
2bfb72ee AC |
1300 | const char *val; |
1301 | ||
c906108c SS |
1302 | switch (format) |
1303 | { | |
1304 | case 'd': | |
bb599908 | 1305 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1306 | case 'u': |
bb599908 | 1307 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1308 | case 'x': |
bb599908 | 1309 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1310 | case 'b': |
bb599908 | 1311 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1312 | case 'h': |
bb599908 | 1313 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1314 | case 'w': |
bb599908 | 1315 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1316 | case 'g': |
bb599908 | 1317 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1318 | break; |
1319 | case 'o': | |
bb599908 | 1320 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1321 | default: |
3e43a32a MS |
1322 | internal_error (__FILE__, __LINE__, |
1323 | _("failed internal consistency check")); | |
bb599908 | 1324 | } |
2bfb72ee | 1325 | fputs_filtered (val, stream); |
c906108c SS |
1326 | } |
1327 | ||
c906108c SS |
1328 | /* This used to be a macro, but I don't think it is called often enough |
1329 | to merit such treatment. */ | |
1330 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1331 | arguments to a function, number in a value history, register number, etc.) | |
1332 | where the value must not be larger than can fit in an int. */ | |
1333 | ||
1334 | int | |
fba45db2 | 1335 | longest_to_int (LONGEST arg) |
c906108c | 1336 | { |
581e13c1 | 1337 | /* Let the compiler do the work. */ |
c906108c SS |
1338 | int rtnval = (int) arg; |
1339 | ||
581e13c1 | 1340 | /* Check for overflows or underflows. */ |
c906108c SS |
1341 | if (sizeof (LONGEST) > sizeof (int)) |
1342 | { | |
1343 | if (rtnval != arg) | |
1344 | { | |
8a3fe4f8 | 1345 | error (_("Value out of range.")); |
c906108c SS |
1346 | } |
1347 | } | |
1348 | return (rtnval); | |
1349 | } | |
1350 | ||
fdf0cbc2 UW |
1351 | /* Print a floating point value of floating-point type TYPE, |
1352 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1353 | |
1354 | void | |
fc1a4b47 | 1355 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1356 | struct ui_file *stream) |
c906108c | 1357 | { |
f69fdf9b | 1358 | std::string str = target_float_to_string (valaddr, type); |
3b4b2f16 | 1359 | fputs_filtered (str.c_str (), stream); |
7678ef8f TJB |
1360 | } |
1361 | ||
c5aa993b | 1362 | void |
fc1a4b47 | 1363 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1364 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1365 | { |
fc1a4b47 | 1366 | const gdb_byte *p; |
745b8ca0 | 1367 | unsigned int i; |
c5aa993b | 1368 | int b; |
30a25466 | 1369 | bool seen_a_one = false; |
c906108c SS |
1370 | |
1371 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1372 | This ensures that right shift will shift in zeros. */ |
1373 | ||
c5aa993b | 1374 | const int mask = 0x080; |
c906108c | 1375 | |
d44e8473 | 1376 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1377 | { |
1378 | for (p = valaddr; | |
1379 | p < valaddr + len; | |
1380 | p++) | |
1381 | { | |
c5aa993b | 1382 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1383 | and print from the MSB end. */ |
1384 | ||
d3abe1c8 | 1385 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1386 | { |
1387 | if (*p & (mask >> i)) | |
30a25466 | 1388 | b = '1'; |
c5aa993b | 1389 | else |
30a25466 | 1390 | b = '0'; |
c5aa993b | 1391 | |
30a25466 TT |
1392 | if (zero_pad || seen_a_one || b == '1') |
1393 | fputc_filtered (b, stream); | |
1394 | if (b == '1') | |
1395 | seen_a_one = true; | |
c5aa993b | 1396 | } |
c906108c SS |
1397 | } |
1398 | } | |
1399 | else | |
1400 | { | |
1401 | for (p = valaddr + len - 1; | |
1402 | p >= valaddr; | |
1403 | p--) | |
1404 | { | |
d3abe1c8 | 1405 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1406 | { |
1407 | if (*p & (mask >> i)) | |
30a25466 | 1408 | b = '1'; |
c5aa993b | 1409 | else |
30a25466 | 1410 | b = '0'; |
c5aa993b | 1411 | |
30a25466 TT |
1412 | if (zero_pad || seen_a_one || b == '1') |
1413 | fputc_filtered (b, stream); | |
1414 | if (b == '1') | |
1415 | seen_a_one = true; | |
c5aa993b | 1416 | } |
c906108c SS |
1417 | } |
1418 | } | |
30a25466 TT |
1419 | |
1420 | /* When not zero-padding, ensure that something is printed when the | |
1421 | input is 0. */ | |
1422 | if (!zero_pad && !seen_a_one) | |
1423 | fputc_filtered ('0', stream); | |
1424 | } | |
1425 | ||
1426 | /* A helper for print_octal_chars that emits a single octal digit, | |
1427 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1428 | ||
1429 | static void | |
1430 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1431 | { | |
1432 | if (*seen_a_one || digit != 0) | |
1433 | fprintf_filtered (stream, "%o", digit); | |
1434 | if (digit != 0) | |
1435 | *seen_a_one = true; | |
c906108c SS |
1436 | } |
1437 | ||
1438 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1439 | Print it in octal on stream or format it in buf. */ |
1440 | ||
c906108c | 1441 | void |
fc1a4b47 | 1442 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1443 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1444 | { |
fc1a4b47 | 1445 | const gdb_byte *p; |
c906108c | 1446 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1447 | int cycle; |
1448 | ||
c906108c SS |
1449 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1450 | * the extra bits, which cycle every three bytes: | |
1451 | * | |
1452 | * Byte side: 0 1 2 3 | |
1453 | * | | | | | |
1454 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1455 | * | |
1456 | * Octal side: 0 1 carry 3 4 carry ... | |
1457 | * | |
1458 | * Cycle number: 0 1 2 | |
1459 | * | |
1460 | * But of course we are printing from the high side, so we have to | |
1461 | * figure out where in the cycle we are so that we end up with no | |
1462 | * left over bits at the end. | |
1463 | */ | |
1464 | #define BITS_IN_OCTAL 3 | |
1465 | #define HIGH_ZERO 0340 | |
d6382fff | 1466 | #define LOW_ZERO 0034 |
c906108c | 1467 | #define CARRY_ZERO 0003 |
d6382fff TT |
1468 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1469 | "cycle zero constants are wrong"); | |
c906108c SS |
1470 | #define HIGH_ONE 0200 |
1471 | #define MID_ONE 0160 | |
1472 | #define LOW_ONE 0016 | |
1473 | #define CARRY_ONE 0001 | |
d6382fff TT |
1474 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1475 | "cycle one constants are wrong"); | |
c906108c SS |
1476 | #define HIGH_TWO 0300 |
1477 | #define MID_TWO 0070 | |
1478 | #define LOW_TWO 0007 | |
d6382fff TT |
1479 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1480 | "cycle two constants are wrong"); | |
c906108c SS |
1481 | |
1482 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1483 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1484 | ||
d3abe1c8 | 1485 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1486 | carry = 0; |
c5aa993b | 1487 | |
bb599908 | 1488 | fputs_filtered ("0", stream); |
30a25466 | 1489 | bool seen_a_one = false; |
d44e8473 | 1490 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1491 | { |
1492 | for (p = valaddr; | |
1493 | p < valaddr + len; | |
1494 | p++) | |
1495 | { | |
c5aa993b JM |
1496 | switch (cycle) |
1497 | { | |
1498 | case 0: | |
581e13c1 MS |
1499 | /* No carry in, carry out two bits. */ |
1500 | ||
c5aa993b JM |
1501 | octa1 = (HIGH_ZERO & *p) >> 5; |
1502 | octa2 = (LOW_ZERO & *p) >> 2; | |
1503 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1504 | emit_octal_digit (stream, &seen_a_one, octa1); |
1505 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1506 | break; |
1507 | ||
1508 | case 1: | |
581e13c1 MS |
1509 | /* Carry in two bits, carry out one bit. */ |
1510 | ||
c5aa993b JM |
1511 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1512 | octa2 = (MID_ONE & *p) >> 4; | |
1513 | octa3 = (LOW_ONE & *p) >> 1; | |
1514 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1515 | emit_octal_digit (stream, &seen_a_one, octa1); |
1516 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1517 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1518 | break; |
1519 | ||
1520 | case 2: | |
581e13c1 MS |
1521 | /* Carry in one bit, no carry out. */ |
1522 | ||
c5aa993b JM |
1523 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1524 | octa2 = (MID_TWO & *p) >> 3; | |
1525 | octa3 = (LOW_TWO & *p); | |
1526 | carry = 0; | |
30a25466 TT |
1527 | emit_octal_digit (stream, &seen_a_one, octa1); |
1528 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1529 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1530 | break; |
1531 | ||
1532 | default: | |
8a3fe4f8 | 1533 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1534 | } |
1535 | ||
1536 | cycle++; | |
1537 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1538 | } |
1539 | } | |
1540 | else | |
1541 | { | |
1542 | for (p = valaddr + len - 1; | |
1543 | p >= valaddr; | |
1544 | p--) | |
1545 | { | |
c5aa993b JM |
1546 | switch (cycle) |
1547 | { | |
1548 | case 0: | |
1549 | /* Carry out, no carry in */ | |
581e13c1 | 1550 | |
c5aa993b JM |
1551 | octa1 = (HIGH_ZERO & *p) >> 5; |
1552 | octa2 = (LOW_ZERO & *p) >> 2; | |
1553 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1554 | emit_octal_digit (stream, &seen_a_one, octa1); |
1555 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1556 | break; |
1557 | ||
1558 | case 1: | |
1559 | /* Carry in, carry out */ | |
581e13c1 | 1560 | |
c5aa993b JM |
1561 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1562 | octa2 = (MID_ONE & *p) >> 4; | |
1563 | octa3 = (LOW_ONE & *p) >> 1; | |
1564 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1565 | emit_octal_digit (stream, &seen_a_one, octa1); |
1566 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1567 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1568 | break; |
1569 | ||
1570 | case 2: | |
1571 | /* Carry in, no carry out */ | |
581e13c1 | 1572 | |
c5aa993b JM |
1573 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1574 | octa2 = (MID_TWO & *p) >> 3; | |
1575 | octa3 = (LOW_TWO & *p); | |
1576 | carry = 0; | |
30a25466 TT |
1577 | emit_octal_digit (stream, &seen_a_one, octa1); |
1578 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1579 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1580 | break; |
1581 | ||
1582 | default: | |
8a3fe4f8 | 1583 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1584 | } |
1585 | ||
1586 | cycle++; | |
1587 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1588 | } |
1589 | } | |
1590 | ||
c906108c SS |
1591 | } |
1592 | ||
4ac0cb1c TT |
1593 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1594 | bytes in the specified byte order. If the integer is negative, | |
1595 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1596 | nothing and return false. */ | |
1597 | ||
1598 | static bool | |
1599 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1600 | enum bfd_endian byte_order, | |
d5722aa2 | 1601 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1602 | { |
1603 | gdb_byte sign_byte; | |
eb77c9df | 1604 | gdb_assert (len > 0); |
4ac0cb1c TT |
1605 | if (byte_order == BFD_ENDIAN_BIG) |
1606 | sign_byte = bytes[0]; | |
1607 | else | |
1608 | sign_byte = bytes[len - 1]; | |
1609 | if ((sign_byte & 0x80) == 0) | |
1610 | return false; | |
1611 | ||
1612 | out_vec->resize (len); | |
1613 | ||
1614 | /* Compute -x == 1 + ~x. */ | |
1615 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1616 | { | |
1617 | unsigned carry = 1; | |
1618 | for (unsigned i = 0; i < len; ++i) | |
1619 | { | |
1620 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1621 | (*out_vec)[i] = tem & 0xff; | |
1622 | carry = tem / 256; | |
1623 | } | |
1624 | } | |
1625 | else | |
1626 | { | |
1627 | unsigned carry = 1; | |
1628 | for (unsigned i = len; i > 0; --i) | |
1629 | { | |
1630 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1631 | (*out_vec)[i - 1] = tem & 0xff; | |
1632 | carry = tem / 256; | |
1633 | } | |
1634 | } | |
1635 | ||
1636 | return true; | |
1637 | } | |
1638 | ||
c906108c | 1639 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1640 | Print it in decimal on stream or format it in buf. */ |
1641 | ||
c906108c | 1642 | void |
fc1a4b47 | 1643 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1644 | unsigned len, bool is_signed, |
1645 | enum bfd_endian byte_order) | |
c906108c SS |
1646 | { |
1647 | #define TEN 10 | |
c5aa993b | 1648 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1649 | #define CARRY_LEFT( x ) ((x) % TEN) |
1650 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1651 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1652 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1653 | ||
fc1a4b47 | 1654 | const gdb_byte *p; |
c5aa993b JM |
1655 | int carry; |
1656 | int decimal_len; | |
1657 | int i, j, decimal_digits; | |
1658 | int dummy; | |
1659 | int flip; | |
1660 | ||
d5722aa2 | 1661 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1662 | if (is_signed |
1663 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1664 | { | |
1665 | fputs_filtered ("-", stream); | |
1666 | valaddr = negated_bytes.data (); | |
1667 | } | |
1668 | ||
c906108c | 1669 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1670 | as the base 16 number, which is 2 digits per byte. */ |
1671 | ||
c906108c | 1672 | decimal_len = len * 2 * 2; |
30a25466 | 1673 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1674 | |
c906108c SS |
1675 | /* Ok, we have an unknown number of bytes of data to be printed in |
1676 | * decimal. | |
1677 | * | |
1678 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
1679 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
1680 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
1681 | * | |
1682 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1683 | * the individual digits are > 10. |
c906108c SS |
1684 | * |
1685 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1686 | * LSD end. | |
1687 | */ | |
c5aa993b | 1688 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1689 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1690 | flip = 0; |
d44e8473 | 1691 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1692 | { |
c906108c SS |
1693 | /* |
1694 | * Multiply current base-ten number by 16 in place. | |
1695 | * Each digit was between 0 and 9, now is between | |
1696 | * 0 and 144. | |
1697 | */ | |
c5aa993b JM |
1698 | for (j = 0; j < decimal_digits; j++) |
1699 | { | |
1700 | digits[j] = SHIFT (digits[j]); | |
1701 | } | |
1702 | ||
c906108c SS |
1703 | /* Take the next nibble off the input and add it to what |
1704 | * we've got in the LSB position. Bottom 'digit' is now | |
1705 | * between 0 and 159. | |
1706 | * | |
1707 | * "flip" is used to run this loop twice for each byte. | |
1708 | */ | |
c5aa993b JM |
1709 | if (flip == 0) |
1710 | { | |
581e13c1 MS |
1711 | /* Take top nibble. */ |
1712 | ||
c5aa993b JM |
1713 | digits[0] += HIGH_NIBBLE (*p); |
1714 | flip = 1; | |
1715 | } | |
1716 | else | |
1717 | { | |
581e13c1 MS |
1718 | /* Take low nibble and bump our pointer "p". */ |
1719 | ||
c5aa993b | 1720 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1721 | if (byte_order == BFD_ENDIAN_BIG) |
1722 | p++; | |
1723 | else | |
1724 | p--; | |
c5aa993b JM |
1725 | flip = 0; |
1726 | } | |
c906108c SS |
1727 | |
1728 | /* Re-decimalize. We have to do this often enough | |
1729 | * that we don't overflow, but once per nibble is | |
1730 | * overkill. Easier this way, though. Note that the | |
1731 | * carry is often larger than 10 (e.g. max initial | |
1732 | * carry out of lowest nibble is 15, could bubble all | |
1733 | * the way up greater than 10). So we have to do | |
1734 | * the carrying beyond the last current digit. | |
1735 | */ | |
1736 | carry = 0; | |
c5aa993b JM |
1737 | for (j = 0; j < decimal_len - 1; j++) |
1738 | { | |
1739 | digits[j] += carry; | |
1740 | ||
1741 | /* "/" won't handle an unsigned char with | |
1742 | * a value that if signed would be negative. | |
1743 | * So extend to longword int via "dummy". | |
1744 | */ | |
1745 | dummy = digits[j]; | |
1746 | carry = CARRY_OUT (dummy); | |
1747 | digits[j] = CARRY_LEFT (dummy); | |
1748 | ||
1749 | if (j >= decimal_digits && carry == 0) | |
1750 | { | |
1751 | /* | |
1752 | * All higher digits are 0 and we | |
1753 | * no longer have a carry. | |
1754 | * | |
1755 | * Note: "j" is 0-based, "decimal_digits" is | |
1756 | * 1-based. | |
1757 | */ | |
1758 | decimal_digits = j + 1; | |
1759 | break; | |
1760 | } | |
1761 | } | |
1762 | } | |
c906108c SS |
1763 | |
1764 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1765 | the "decimal_digits" actual digits. Print! */ |
1766 | ||
30a25466 TT |
1767 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1768 | ; | |
1769 | ||
1770 | for (; i >= 0; i--) | |
c5aa993b JM |
1771 | { |
1772 | fprintf_filtered (stream, "%1d", digits[i]); | |
1773 | } | |
c906108c SS |
1774 | } |
1775 | ||
1776 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1777 | ||
6b9acc27 | 1778 | void |
fc1a4b47 | 1779 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1780 | unsigned len, enum bfd_endian byte_order, |
1781 | bool zero_pad) | |
c906108c | 1782 | { |
fc1a4b47 | 1783 | const gdb_byte *p; |
c906108c | 1784 | |
bb599908 | 1785 | fputs_filtered ("0x", stream); |
d44e8473 | 1786 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1787 | { |
30a25466 TT |
1788 | p = valaddr; |
1789 | ||
1790 | if (!zero_pad) | |
1791 | { | |
1792 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1793 | single byte at the end. */ | |
1794 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1795 | ; | |
1796 | } | |
1797 | ||
1798 | const gdb_byte *first = p; | |
1799 | for (; | |
c906108c SS |
1800 | p < valaddr + len; |
1801 | p++) | |
1802 | { | |
30a25466 TT |
1803 | /* When not zero-padding, use a different format for the |
1804 | very first byte printed. */ | |
1805 | if (!zero_pad && p == first) | |
1806 | fprintf_filtered (stream, "%x", *p); | |
1807 | else | |
1808 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1809 | } |
1810 | } | |
1811 | else | |
1812 | { | |
30a25466 TT |
1813 | p = valaddr + len - 1; |
1814 | ||
1815 | if (!zero_pad) | |
1816 | { | |
1817 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1818 | single byte at the end. */ | |
1819 | for (; p >= valaddr + 1 && !*p; --p) | |
1820 | ; | |
1821 | } | |
1822 | ||
1823 | const gdb_byte *first = p; | |
1824 | for (; | |
c906108c SS |
1825 | p >= valaddr; |
1826 | p--) | |
1827 | { | |
30a25466 TT |
1828 | /* When not zero-padding, use a different format for the |
1829 | very first byte printed. */ | |
1830 | if (!zero_pad && p == first) | |
1831 | fprintf_filtered (stream, "%x", *p); | |
1832 | else | |
1833 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1834 | } |
1835 | } | |
c906108c SS |
1836 | } |
1837 | ||
3e43a32a | 1838 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1839 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1840 | Omit any leading zero chars. */ |
1841 | ||
1842 | void | |
6c7a06a3 TT |
1843 | print_char_chars (struct ui_file *stream, struct type *type, |
1844 | const gdb_byte *valaddr, | |
d44e8473 | 1845 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1846 | { |
fc1a4b47 | 1847 | const gdb_byte *p; |
6b9acc27 | 1848 | |
d44e8473 | 1849 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1850 | { |
1851 | p = valaddr; | |
1852 | while (p < valaddr + len - 1 && *p == 0) | |
1853 | ++p; | |
1854 | ||
1855 | while (p < valaddr + len) | |
1856 | { | |
6c7a06a3 | 1857 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1858 | ++p; |
1859 | } | |
1860 | } | |
1861 | else | |
1862 | { | |
1863 | p = valaddr + len - 1; | |
1864 | while (p > valaddr && *p == 0) | |
1865 | --p; | |
1866 | ||
1867 | while (p >= valaddr) | |
1868 | { | |
6c7a06a3 | 1869 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1870 | --p; |
1871 | } | |
1872 | } | |
1873 | } | |
1874 | ||
132c57b4 TT |
1875 | /* Print function pointer with inferior address ADDRESS onto stdio |
1876 | stream STREAM. */ | |
1877 | ||
1878 | void | |
edf0c1b7 TT |
1879 | print_function_pointer_address (const struct value_print_options *options, |
1880 | struct gdbarch *gdbarch, | |
132c57b4 | 1881 | CORE_ADDR address, |
edf0c1b7 | 1882 | struct ui_file *stream) |
132c57b4 TT |
1883 | { |
1884 | CORE_ADDR func_addr | |
1885 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
8b88a78e | 1886 | current_top_target ()); |
132c57b4 TT |
1887 | |
1888 | /* If the function pointer is represented by a description, print | |
1889 | the address of the description. */ | |
edf0c1b7 | 1890 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1891 | { |
1892 | fputs_filtered ("@", stream); | |
1893 | fputs_filtered (paddress (gdbarch, address), stream); | |
1894 | fputs_filtered (": ", stream); | |
1895 | } | |
edf0c1b7 | 1896 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1897 | } |
1898 | ||
1899 | ||
79a45b7d | 1900 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1901 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1902 | ||
1903 | void | |
1904 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1905 | struct ui_file *stream, |
1906 | const struct value_print_options *options) | |
e79af960 JB |
1907 | { |
1908 | struct value *index_value; | |
1909 | ||
79a45b7d | 1910 | if (!options->print_array_indexes) |
e79af960 JB |
1911 | return; |
1912 | ||
1913 | index_value = value_from_longest (index_type, index); | |
1914 | ||
79a45b7d TT |
1915 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1916 | } | |
e79af960 | 1917 | |
c906108c | 1918 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1919 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1920 | |
c5aa993b JM |
1921 | (FIXME?) Assumes array element separator is a comma, which is correct |
1922 | for all languages currently handled. | |
1923 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1924 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1925 | |
1926 | void | |
490f124f | 1927 | val_print_array_elements (struct type *type, |
e8b24d9f | 1928 | LONGEST embedded_offset, |
a2bd3dcd | 1929 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1930 | int recurse, |
e8b24d9f | 1931 | struct value *val, |
79a45b7d | 1932 | const struct value_print_options *options, |
fba45db2 | 1933 | unsigned int i) |
c906108c SS |
1934 | { |
1935 | unsigned int things_printed = 0; | |
1936 | unsigned len; | |
aa715135 | 1937 | struct type *elttype, *index_type, *base_index_type; |
c906108c SS |
1938 | unsigned eltlen; |
1939 | /* Position of the array element we are examining to see | |
1940 | whether it is repeated. */ | |
1941 | unsigned int rep1; | |
1942 | /* Number of repetitions we have detected so far. */ | |
1943 | unsigned int reps; | |
dbc98a8b | 1944 | LONGEST low_bound, high_bound; |
aa715135 | 1945 | LONGEST low_pos, high_pos; |
c5aa993b | 1946 | |
c906108c | 1947 | elttype = TYPE_TARGET_TYPE (type); |
3ae385af | 1948 | eltlen = type_length_units (check_typedef (elttype)); |
e79af960 | 1949 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1950 | |
dbc98a8b | 1951 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b | 1952 | { |
aa715135 JG |
1953 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
1954 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
1955 | else | |
1956 | base_index_type = index_type; | |
1957 | ||
1958 | /* Non-contiguous enumerations types can by used as index types | |
1959 | in some languages (e.g. Ada). In this case, the array length | |
1960 | shall be computed from the positions of the first and last | |
1961 | literal in the enumeration type, and not from the values | |
1962 | of these literals. */ | |
1963 | if (!discrete_position (base_index_type, low_bound, &low_pos) | |
1964 | || !discrete_position (base_index_type, high_bound, &high_pos)) | |
1965 | { | |
1966 | warning (_("unable to get positions in array, use bounds instead")); | |
1967 | low_pos = low_bound; | |
1968 | high_pos = high_bound; | |
1969 | } | |
1970 | ||
1971 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
75be741b | 1972 | But we have to be a little extra careful, because some languages |
aa715135 | 1973 | such as Ada allow LOW_POS to be greater than HIGH_POS for |
75be741b JB |
1974 | empty arrays. In that situation, the array length is just zero, |
1975 | not negative! */ | |
aa715135 | 1976 | if (low_pos > high_pos) |
75be741b JB |
1977 | len = 0; |
1978 | else | |
aa715135 | 1979 | len = high_pos - low_pos + 1; |
75be741b | 1980 | } |
e936309c JB |
1981 | else |
1982 | { | |
dbc98a8b KW |
1983 | warning (_("unable to get bounds of array, assuming null array")); |
1984 | low_bound = 0; | |
1985 | len = 0; | |
168de233 JB |
1986 | } |
1987 | ||
c906108c SS |
1988 | annotate_array_section_begin (i, elttype); |
1989 | ||
79a45b7d | 1990 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1991 | { |
1992 | if (i != 0) | |
1993 | { | |
2a998fc0 | 1994 | if (options->prettyformat_arrays) |
c906108c SS |
1995 | { |
1996 | fprintf_filtered (stream, ",\n"); | |
1997 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1998 | } | |
1999 | else | |
2000 | { | |
2001 | fprintf_filtered (stream, ", "); | |
2002 | } | |
2003 | } | |
2004 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 2005 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 2006 | stream, options); |
c906108c SS |
2007 | |
2008 | rep1 = i + 1; | |
2009 | reps = 1; | |
35bef4fd TT |
2010 | /* Only check for reps if repeat_count_threshold is not set to |
2011 | UINT_MAX (unlimited). */ | |
2012 | if (options->repeat_count_threshold < UINT_MAX) | |
c906108c | 2013 | { |
35bef4fd | 2014 | while (rep1 < len |
9a0dc9e3 PA |
2015 | && value_contents_eq (val, |
2016 | embedded_offset + i * eltlen, | |
2017 | val, | |
2018 | (embedded_offset | |
2019 | + rep1 * eltlen), | |
2020 | eltlen)) | |
35bef4fd TT |
2021 | { |
2022 | ++reps; | |
2023 | ++rep1; | |
2024 | } | |
c906108c SS |
2025 | } |
2026 | ||
79a45b7d | 2027 | if (reps > options->repeat_count_threshold) |
c906108c | 2028 | { |
e8b24d9f | 2029 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f PA |
2030 | address, stream, recurse + 1, val, options, |
2031 | current_language); | |
c906108c SS |
2032 | annotate_elt_rep (reps); |
2033 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
2034 | annotate_elt_rep_end (); | |
2035 | ||
2036 | i = rep1 - 1; | |
79a45b7d | 2037 | things_printed += options->repeat_count_threshold; |
c906108c SS |
2038 | } |
2039 | else | |
2040 | { | |
e8b24d9f | 2041 | val_print (elttype, embedded_offset + i * eltlen, |
490f124f | 2042 | address, |
0e03807e | 2043 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
2044 | annotate_elt (); |
2045 | things_printed++; | |
2046 | } | |
2047 | } | |
2048 | annotate_array_section_end (); | |
2049 | if (i < len) | |
2050 | { | |
2051 | fprintf_filtered (stream, "..."); | |
2052 | } | |
2053 | } | |
2054 | ||
917317f4 JM |
2055 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
2056 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 2057 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 2058 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
2059 | |
2060 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
2061 | function be eliminated. */ | |
2062 | ||
2063 | static int | |
3e43a32a | 2064 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 2065 | int len, int *errptr) |
917317f4 | 2066 | { |
581e13c1 MS |
2067 | int nread; /* Number of bytes actually read. */ |
2068 | int errcode; /* Error from last read. */ | |
917317f4 | 2069 | |
581e13c1 | 2070 | /* First try a complete read. */ |
917317f4 JM |
2071 | errcode = target_read_memory (memaddr, myaddr, len); |
2072 | if (errcode == 0) | |
2073 | { | |
581e13c1 | 2074 | /* Got it all. */ |
917317f4 JM |
2075 | nread = len; |
2076 | } | |
2077 | else | |
2078 | { | |
581e13c1 | 2079 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
2080 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
2081 | { | |
2082 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2083 | } | |
581e13c1 | 2084 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2085 | if (errcode != 0) |
2086 | { | |
2087 | nread--; | |
2088 | } | |
2089 | } | |
578d3588 | 2090 | if (errptr != NULL) |
917317f4 | 2091 | { |
578d3588 | 2092 | *errptr = errcode; |
917317f4 JM |
2093 | } |
2094 | return (nread); | |
2095 | } | |
2096 | ||
b4be9fad TT |
2097 | /* Read a string from the inferior, at ADDR, with LEN characters of |
2098 | WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER | |
2099 | will be set to a newly allocated buffer containing the string, and | |
2100 | BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2101 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2102 | |
f380848e SA |
2103 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2104 | (including eventual NULs in the middle or end of the string). | |
2105 | ||
2106 | If LEN is -1, stops at the first null character (not necessarily | |
2107 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2108 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2109 | the string. | |
ae6a3a4c TJB |
2110 | |
2111 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2112 | failure. In this case, some characters might have been read before the | |
2113 | failure happened. Check BYTES_READ to recognize this situation. | |
2114 | ||
2115 | Note: There was a FIXME asking to make this code use target_read_string, | |
2116 | but this function is more general (can read past null characters, up to | |
581e13c1 | 2117 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
2118 | so it is more tested. Perhaps callers of target_read_string should use |
2119 | this function instead? */ | |
c906108c SS |
2120 | |
2121 | int | |
ae6a3a4c | 2122 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
b4be9fad TT |
2123 | enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer, |
2124 | int *bytes_read) | |
c906108c | 2125 | { |
ae6a3a4c TJB |
2126 | int errcode; /* Errno returned from bad reads. */ |
2127 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2128 | gdb_byte *bufptr; /* Pointer to next available byte in |
2129 | buffer. */ | |
ae6a3a4c | 2130 | |
ae6a3a4c TJB |
2131 | /* Loop until we either have all the characters, or we encounter |
2132 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2133 | |
b4be9fad | 2134 | buffer->reset (nullptr); |
c906108c SS |
2135 | |
2136 | if (len > 0) | |
2137 | { | |
88db67ef YQ |
2138 | /* We want fetchlimit chars, so we might as well read them all in |
2139 | one operation. */ | |
325fac50 | 2140 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e | 2141 | |
b4be9fad TT |
2142 | buffer->reset ((gdb_byte *) xmalloc (fetchlen * width)); |
2143 | bufptr = buffer->get (); | |
c906108c | 2144 | |
f380848e | 2145 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2146 | / width; |
2147 | addr += nfetch * width; | |
2148 | bufptr += nfetch * width; | |
2149 | } | |
2150 | else if (len == -1) | |
2151 | { | |
2152 | unsigned long bufsize = 0; | |
88db67ef YQ |
2153 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2154 | int found_nul; /* Non-zero if we found the nul char. */ | |
2155 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2156 | ||
2157 | found_nul = 0; | |
2158 | /* We are looking for a NUL terminator to end the fetching, so we | |
2159 | might as well read in blocks that are large enough to be efficient, | |
2160 | but not so large as to be slow if fetchlimit happens to be large. | |
2161 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2162 | instead of 8 but 200 is way too big for remote debugging over a | |
2163 | serial line. */ | |
325fac50 | 2164 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2165 | |
c906108c SS |
2166 | do |
2167 | { | |
2168 | QUIT; | |
325fac50 | 2169 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2170 | |
ae6a3a4c | 2171 | if (*buffer == NULL) |
b4be9fad | 2172 | buffer->reset ((gdb_byte *) xmalloc (nfetch * width)); |
c906108c | 2173 | else |
b4be9fad TT |
2174 | buffer->reset ((gdb_byte *) xrealloc (buffer->release (), |
2175 | (nfetch + bufsize) * width)); | |
c906108c | 2176 | |
b4be9fad | 2177 | bufptr = buffer->get () + bufsize * width; |
c906108c SS |
2178 | bufsize += nfetch; |
2179 | ||
ae6a3a4c | 2180 | /* Read as much as we can. */ |
917317f4 | 2181 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2182 | / width; |
c906108c | 2183 | |
ae6a3a4c | 2184 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2185 | to print. If found, we don't need to fetch any more. Note |
2186 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2187 | after the null character, or at the next character after the end |
2188 | of the buffer. */ | |
c906108c SS |
2189 | |
2190 | limit = bufptr + nfetch * width; | |
2191 | while (bufptr < limit) | |
2192 | { | |
2193 | unsigned long c; | |
2194 | ||
e17a4113 | 2195 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2196 | addr += width; |
2197 | bufptr += width; | |
2198 | if (c == 0) | |
2199 | { | |
2200 | /* We don't care about any error which happened after | |
ae6a3a4c | 2201 | the NUL terminator. */ |
c906108c SS |
2202 | errcode = 0; |
2203 | found_nul = 1; | |
2204 | break; | |
2205 | } | |
2206 | } | |
2207 | } | |
c5aa993b | 2208 | while (errcode == 0 /* no error */ |
b4be9fad | 2209 | && bufptr - buffer->get () < fetchlimit * width /* no overrun */ |
ae6a3a4c | 2210 | && !found_nul); /* haven't found NUL yet */ |
c906108c SS |
2211 | } |
2212 | else | |
ae6a3a4c TJB |
2213 | { /* Length of string is really 0! */ |
2214 | /* We always allocate *buffer. */ | |
b4be9fad TT |
2215 | buffer->reset ((gdb_byte *) xmalloc (1)); |
2216 | bufptr = buffer->get (); | |
c906108c SS |
2217 | errcode = 0; |
2218 | } | |
2219 | ||
2220 | /* bufptr and addr now point immediately beyond the last byte which we | |
2221 | consider part of the string (including a '\0' which ends the string). */ | |
b4be9fad | 2222 | *bytes_read = bufptr - buffer->get (); |
ae6a3a4c TJB |
2223 | |
2224 | QUIT; | |
2225 | ||
ae6a3a4c TJB |
2226 | return errcode; |
2227 | } | |
2228 | ||
3b2b8fea TT |
2229 | /* Return true if print_wchar can display W without resorting to a |
2230 | numeric escape, false otherwise. */ | |
2231 | ||
2232 | static int | |
2233 | wchar_printable (gdb_wchar_t w) | |
2234 | { | |
2235 | return (gdb_iswprint (w) | |
2236 | || w == LCST ('\a') || w == LCST ('\b') | |
2237 | || w == LCST ('\f') || w == LCST ('\n') | |
2238 | || w == LCST ('\r') || w == LCST ('\t') | |
2239 | || w == LCST ('\v')); | |
2240 | } | |
2241 | ||
2242 | /* A helper function that converts the contents of STRING to wide | |
2243 | characters and then appends them to OUTPUT. */ | |
2244 | ||
2245 | static void | |
2246 | append_string_as_wide (const char *string, | |
2247 | struct obstack *output) | |
2248 | { | |
2249 | for (; *string; ++string) | |
2250 | { | |
2251 | gdb_wchar_t w = gdb_btowc (*string); | |
2252 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2253 | } | |
2254 | } | |
2255 | ||
2256 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2257 | original (target) bytes representing the character, ORIG_LEN is the | |
2258 | number of valid bytes. WIDTH is the number of bytes in a base | |
2259 | characters of the type. OUTPUT is an obstack to which wide | |
2260 | characters are emitted. QUOTER is a (narrow) character indicating | |
2261 | the style of quotes surrounding the character to be printed. | |
2262 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2263 | escapes across calls. */ | |
2264 | ||
2265 | static void | |
2266 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2267 | int orig_len, int width, | |
2268 | enum bfd_endian byte_order, | |
2269 | struct obstack *output, | |
2270 | int quoter, int *need_escapep) | |
2271 | { | |
2272 | int need_escape = *need_escapep; | |
2273 | ||
2274 | *need_escapep = 0; | |
3b2b8fea | 2275 | |
95c64f92 YQ |
2276 | /* iswprint implementation on Windows returns 1 for tab character. |
2277 | In order to avoid different printout on this host, we explicitly | |
2278 | use wchar_printable function. */ | |
2279 | switch (w) | |
3b2b8fea | 2280 | { |
95c64f92 YQ |
2281 | case LCST ('\a'): |
2282 | obstack_grow_wstr (output, LCST ("\\a")); | |
2283 | break; | |
2284 | case LCST ('\b'): | |
2285 | obstack_grow_wstr (output, LCST ("\\b")); | |
2286 | break; | |
2287 | case LCST ('\f'): | |
2288 | obstack_grow_wstr (output, LCST ("\\f")); | |
2289 | break; | |
2290 | case LCST ('\n'): | |
2291 | obstack_grow_wstr (output, LCST ("\\n")); | |
2292 | break; | |
2293 | case LCST ('\r'): | |
2294 | obstack_grow_wstr (output, LCST ("\\r")); | |
2295 | break; | |
2296 | case LCST ('\t'): | |
2297 | obstack_grow_wstr (output, LCST ("\\t")); | |
2298 | break; | |
2299 | case LCST ('\v'): | |
2300 | obstack_grow_wstr (output, LCST ("\\v")); | |
2301 | break; | |
2302 | default: | |
3b2b8fea | 2303 | { |
95c64f92 YQ |
2304 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2305 | && w != LCST ('8') | |
2306 | && w != LCST ('9')))) | |
2307 | { | |
2308 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2309 | |
95c64f92 YQ |
2310 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2311 | obstack_grow_wstr (output, LCST ("\\")); | |
2312 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2313 | } | |
2314 | else | |
2315 | { | |
2316 | int i; | |
3b2b8fea | 2317 | |
95c64f92 YQ |
2318 | for (i = 0; i + width <= orig_len; i += width) |
2319 | { | |
2320 | char octal[30]; | |
2321 | ULONGEST value; | |
2322 | ||
2323 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2324 | byte_order); |
95c64f92 YQ |
2325 | /* If the value fits in 3 octal digits, print it that |
2326 | way. Otherwise, print it as a hex escape. */ | |
2327 | if (value <= 0777) | |
2328 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2329 | (int) (value & 0777)); | |
2330 | else | |
2331 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2332 | append_string_as_wide (octal, output); | |
2333 | } | |
2334 | /* If we somehow have extra bytes, print them now. */ | |
2335 | while (i < orig_len) | |
2336 | { | |
2337 | char octal[5]; | |
2338 | ||
2339 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2340 | append_string_as_wide (octal, output); | |
2341 | ++i; | |
2342 | } | |
2343 | ||
2344 | *need_escapep = 1; | |
2345 | } | |
3b2b8fea TT |
2346 | break; |
2347 | } | |
2348 | } | |
2349 | } | |
2350 | ||
2351 | /* Print the character C on STREAM as part of the contents of a | |
2352 | literal string whose delimiter is QUOTER. ENCODING names the | |
2353 | encoding of C. */ | |
2354 | ||
2355 | void | |
2356 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2357 | int quoter, const char *encoding) | |
2358 | { | |
2359 | enum bfd_endian byte_order | |
2360 | = gdbarch_byte_order (get_type_arch (type)); | |
b926417a | 2361 | gdb_byte *c_buf; |
3b2b8fea TT |
2362 | int need_escape = 0; |
2363 | ||
b926417a TT |
2364 | c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
2365 | pack_long (c_buf, type, c); | |
3b2b8fea | 2366 | |
b926417a | 2367 | wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2368 | |
2369 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2370 | auto_obstack wchar_buf; |
3b2b8fea TT |
2371 | |
2372 | while (1) | |
2373 | { | |
2374 | int num_chars; | |
2375 | gdb_wchar_t *chars; | |
2376 | const gdb_byte *buf; | |
2377 | size_t buflen; | |
2378 | int print_escape = 1; | |
2379 | enum wchar_iterate_result result; | |
2380 | ||
cda6c55b | 2381 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2382 | if (num_chars < 0) |
2383 | break; | |
2384 | if (num_chars > 0) | |
2385 | { | |
2386 | /* If all characters are printable, print them. Otherwise, | |
2387 | we're going to have to print an escape sequence. We | |
2388 | check all characters because we want to print the target | |
2389 | bytes in the escape sequence, and we don't know character | |
2390 | boundaries there. */ | |
2391 | int i; | |
2392 | ||
2393 | print_escape = 0; | |
2394 | for (i = 0; i < num_chars; ++i) | |
2395 | if (!wchar_printable (chars[i])) | |
2396 | { | |
2397 | print_escape = 1; | |
2398 | break; | |
2399 | } | |
2400 | ||
2401 | if (!print_escape) | |
2402 | { | |
2403 | for (i = 0; i < num_chars; ++i) | |
2404 | print_wchar (chars[i], buf, buflen, | |
2405 | TYPE_LENGTH (type), byte_order, | |
2406 | &wchar_buf, quoter, &need_escape); | |
2407 | } | |
2408 | } | |
2409 | ||
2410 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2411 | if (print_escape) | |
2412 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2413 | byte_order, &wchar_buf, quoter, &need_escape); | |
2414 | } | |
2415 | ||
2416 | /* The output in the host encoding. */ | |
8268c778 | 2417 | auto_obstack output; |
3b2b8fea TT |
2418 | |
2419 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2420 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2421 | obstack_object_size (&wchar_buf), |
fff10684 | 2422 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2423 | obstack_1grow (&output, '\0'); |
2424 | ||
79f33898 | 2425 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2426 | } |
2427 | ||
0d63ecda KS |
2428 | /* Return the repeat count of the next character/byte in ITER, |
2429 | storing the result in VEC. */ | |
2430 | ||
2431 | static int | |
cda6c55b | 2432 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2433 | std::vector<converted_character> *vec) |
0d63ecda KS |
2434 | { |
2435 | struct converted_character *current; | |
2436 | ||
b01ba14d | 2437 | if (vec->empty ()) |
0d63ecda KS |
2438 | { |
2439 | struct converted_character tmp; | |
2440 | gdb_wchar_t *chars; | |
2441 | ||
2442 | tmp.num_chars | |
cda6c55b | 2443 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2444 | if (tmp.num_chars > 0) |
2445 | { | |
2446 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2447 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2448 | } | |
b01ba14d | 2449 | vec->push_back (tmp); |
0d63ecda KS |
2450 | } |
2451 | ||
b01ba14d | 2452 | current = &vec->back (); |
0d63ecda KS |
2453 | |
2454 | /* Count repeated characters or bytes. */ | |
2455 | current->repeat_count = 1; | |
2456 | if (current->num_chars == -1) | |
2457 | { | |
2458 | /* EOF */ | |
2459 | return -1; | |
2460 | } | |
2461 | else | |
2462 | { | |
2463 | gdb_wchar_t *chars; | |
2464 | struct converted_character d; | |
2465 | int repeat; | |
2466 | ||
2467 | d.repeat_count = 0; | |
2468 | ||
2469 | while (1) | |
2470 | { | |
2471 | /* Get the next character. */ | |
cda6c55b | 2472 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2473 | |
2474 | /* If a character was successfully converted, save the character | |
2475 | into the converted character. */ | |
2476 | if (d.num_chars > 0) | |
2477 | { | |
2478 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2479 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2480 | } | |
2481 | ||
2482 | /* Determine if the current character is the same as this | |
2483 | new character. */ | |
2484 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2485 | { | |
2486 | /* There are two cases to consider: | |
2487 | ||
2488 | 1) Equality of converted character (num_chars > 0) | |
2489 | 2) Equality of non-converted character (num_chars == 0) */ | |
2490 | if ((current->num_chars > 0 | |
2491 | && memcmp (current->chars, d.chars, | |
2492 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2493 | || (current->num_chars == 0 | |
2494 | && current->buflen == d.buflen | |
2495 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2496 | ++current->repeat_count; | |
2497 | else | |
2498 | break; | |
2499 | } | |
2500 | else | |
2501 | break; | |
2502 | } | |
2503 | ||
2504 | /* Push this next converted character onto the result vector. */ | |
2505 | repeat = current->repeat_count; | |
b01ba14d | 2506 | vec->push_back (d); |
0d63ecda KS |
2507 | return repeat; |
2508 | } | |
2509 | } | |
2510 | ||
2511 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2512 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2513 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2514 | is the user's print options. */ |
2515 | ||
2516 | static void | |
2517 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2518 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2519 | int quote_char, int width, |
2520 | enum bfd_endian byte_order, | |
2521 | const struct value_print_options *options) | |
2522 | { | |
2523 | unsigned int idx; | |
b01ba14d | 2524 | const converted_character *elem; |
0d63ecda KS |
2525 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2526 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2527 | int need_escape = 0; | |
2528 | ||
2529 | /* Set the start state. */ | |
2530 | idx = 0; | |
2531 | last = state = START; | |
2532 | elem = NULL; | |
2533 | ||
2534 | while (1) | |
2535 | { | |
2536 | switch (state) | |
2537 | { | |
2538 | case START: | |
2539 | /* Nothing to do. */ | |
2540 | break; | |
2541 | ||
2542 | case SINGLE: | |
2543 | { | |
2544 | int j; | |
2545 | ||
2546 | /* We are outputting a single character | |
2547 | (< options->repeat_count_threshold). */ | |
2548 | ||
2549 | if (last != SINGLE) | |
2550 | { | |
2551 | /* We were outputting some other type of content, so we | |
2552 | must output and a comma and a quote. */ | |
2553 | if (last != START) | |
2554 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2555 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2556 | } | |
2557 | /* Output the character. */ | |
2558 | for (j = 0; j < elem->repeat_count; ++j) | |
2559 | { | |
2560 | if (elem->result == wchar_iterate_ok) | |
2561 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2562 | byte_order, obstack, quote_char, &need_escape); | |
2563 | else | |
2564 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2565 | byte_order, obstack, quote_char, &need_escape); | |
2566 | } | |
2567 | } | |
2568 | break; | |
2569 | ||
2570 | case REPEAT: | |
2571 | { | |
2572 | int j; | |
0d63ecda KS |
2573 | |
2574 | /* We are outputting a character with a repeat count | |
2575 | greater than options->repeat_count_threshold. */ | |
2576 | ||
2577 | if (last == SINGLE) | |
2578 | { | |
2579 | /* We were outputting a single string. Terminate the | |
2580 | string. */ | |
0d63ecda KS |
2581 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2582 | } | |
2583 | if (last != START) | |
2584 | obstack_grow_wstr (obstack, LCST (", ")); | |
2585 | ||
2586 | /* Output the character and repeat string. */ | |
2587 | obstack_grow_wstr (obstack, LCST ("'")); | |
2588 | if (elem->result == wchar_iterate_ok) | |
2589 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2590 | byte_order, obstack, quote_char, &need_escape); | |
2591 | else | |
2592 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2593 | byte_order, obstack, quote_char, &need_escape); | |
2594 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2595 | std::string s = string_printf (_(" <repeats %u times>"), |
2596 | elem->repeat_count); | |
0d63ecda KS |
2597 | for (j = 0; s[j]; ++j) |
2598 | { | |
2599 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2600 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2601 | } | |
0d63ecda KS |
2602 | } |
2603 | break; | |
2604 | ||
2605 | case INCOMPLETE: | |
2606 | /* We are outputting an incomplete sequence. */ | |
2607 | if (last == SINGLE) | |
2608 | { | |
2609 | /* If we were outputting a string of SINGLE characters, | |
2610 | terminate the quote. */ | |
0d63ecda KS |
2611 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2612 | } | |
2613 | if (last != START) | |
2614 | obstack_grow_wstr (obstack, LCST (", ")); | |
2615 | ||
2616 | /* Output the incomplete sequence string. */ | |
2617 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2618 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2619 | obstack, 0, &need_escape); | |
2620 | obstack_grow_wstr (obstack, LCST (">")); | |
2621 | ||
2622 | /* We do not attempt to outupt anything after this. */ | |
2623 | state = FINISH; | |
2624 | break; | |
2625 | ||
2626 | case FINISH: | |
2627 | /* All done. If we were outputting a string of SINGLE | |
2628 | characters, the string must be terminated. Otherwise, | |
2629 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2630 | if (last == SINGLE) | |
e93a8774 | 2631 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2632 | |
2633 | return; | |
2634 | } | |
2635 | ||
2636 | /* Get the next element and state. */ | |
2637 | last = state; | |
2638 | if (state != FINISH) | |
2639 | { | |
b01ba14d | 2640 | elem = &chars[idx++]; |
0d63ecda KS |
2641 | switch (elem->result) |
2642 | { | |
2643 | case wchar_iterate_ok: | |
2644 | case wchar_iterate_invalid: | |
2645 | if (elem->repeat_count > options->repeat_count_threshold) | |
2646 | state = REPEAT; | |
2647 | else | |
2648 | state = SINGLE; | |
2649 | break; | |
2650 | ||
2651 | case wchar_iterate_incomplete: | |
2652 | state = INCOMPLETE; | |
2653 | break; | |
2654 | ||
2655 | case wchar_iterate_eof: | |
2656 | state = FINISH; | |
2657 | break; | |
2658 | } | |
2659 | } | |
2660 | } | |
2661 | } | |
2662 | ||
3b2b8fea TT |
2663 | /* Print the character string STRING, printing at most LENGTH |
2664 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2665 | the type of each character. OPTIONS holds the printing options; | |
2666 | printing stops early if the number hits print_max; repeat counts | |
2667 | are printed as appropriate. Print ellipses at the end if we had to | |
2668 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2669 | QUOTE_CHAR is the character to print at each end of the string. If | |
2670 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2671 | omitted. */ | |
2672 | ||
2673 | void | |
2674 | generic_printstr (struct ui_file *stream, struct type *type, | |
2675 | const gdb_byte *string, unsigned int length, | |
2676 | const char *encoding, int force_ellipses, | |
2677 | int quote_char, int c_style_terminator, | |
2678 | const struct value_print_options *options) | |
2679 | { | |
2680 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
2681 | unsigned int i; | |
3b2b8fea | 2682 | int width = TYPE_LENGTH (type); |
3b2b8fea | 2683 | int finished = 0; |
0d63ecda | 2684 | struct converted_character *last; |
3b2b8fea TT |
2685 | |
2686 | if (length == -1) | |
2687 | { | |
2688 | unsigned long current_char = 1; | |
2689 | ||
2690 | for (i = 0; current_char; ++i) | |
2691 | { | |
2692 | QUIT; | |
2693 | current_char = extract_unsigned_integer (string + i * width, | |
2694 | width, byte_order); | |
2695 | } | |
2696 | length = i; | |
2697 | } | |
2698 | ||
2699 | /* If the string was not truncated due to `set print elements', and | |
2700 | the last byte of it is a null, we don't print that, in | |
2701 | traditional C style. */ | |
2702 | if (c_style_terminator | |
2703 | && !force_ellipses | |
2704 | && length > 0 | |
2705 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2706 | width, byte_order) == 0)) | |
2707 | length--; | |
2708 | ||
2709 | if (length == 0) | |
2710 | { | |
2711 | fputs_filtered ("\"\"", stream); | |
2712 | return; | |
2713 | } | |
2714 | ||
2715 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2716 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2717 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2718 | |
0d63ecda KS |
2719 | /* Convert characters until the string is over or the maximum |
2720 | number of printed characters has been reached. */ | |
2721 | i = 0; | |
2722 | while (i < options->print_max) | |
3b2b8fea | 2723 | { |
0d63ecda | 2724 | int r; |
3b2b8fea TT |
2725 | |
2726 | QUIT; | |
2727 | ||
0d63ecda | 2728 | /* Grab the next character and repeat count. */ |
cda6c55b | 2729 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2730 | |
0d63ecda KS |
2731 | /* If less than zero, the end of the input string was reached. */ |
2732 | if (r < 0) | |
2733 | break; | |
3b2b8fea | 2734 | |
0d63ecda KS |
2735 | /* Otherwise, add the count to the total print count and get |
2736 | the next character. */ | |
2737 | i += r; | |
2738 | } | |
3b2b8fea | 2739 | |
0d63ecda KS |
2740 | /* Get the last element and determine if the entire string was |
2741 | processed. */ | |
b01ba14d | 2742 | last = &converted_chars.back (); |
0d63ecda | 2743 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2744 | |
0d63ecda KS |
2745 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2746 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2747 | |
0d63ecda KS |
2748 | /* WCHAR_BUF is the obstack we use to represent the string in |
2749 | wchar_t form. */ | |
8268c778 | 2750 | auto_obstack wchar_buf; |
3b2b8fea | 2751 | |
0d63ecda KS |
2752 | /* Print the output string to the obstack. */ |
2753 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2754 | width, byte_order, options); | |
3b2b8fea TT |
2755 | |
2756 | if (force_ellipses || !finished) | |
2757 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2758 | ||
2759 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2760 | auto_obstack output; |
3b2b8fea TT |
2761 | |
2762 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2763 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2764 | obstack_object_size (&wchar_buf), |
fff10684 | 2765 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2766 | obstack_1grow (&output, '\0'); |
2767 | ||
79f33898 | 2768 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2769 | } |
2770 | ||
ae6a3a4c TJB |
2771 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2772 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2773 | stops at the first null byte, otherwise printing proceeds (including null | |
2774 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2775 | whichever is smaller. ENCODING is the name of the string's |
2776 | encoding. It can be NULL, in which case the target encoding is | |
2777 | assumed. */ | |
ae6a3a4c TJB |
2778 | |
2779 | int | |
09ca9e2e TT |
2780 | val_print_string (struct type *elttype, const char *encoding, |
2781 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2782 | struct ui_file *stream, |
ae6a3a4c TJB |
2783 | const struct value_print_options *options) |
2784 | { | |
2785 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2786 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2787 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2788 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2789 | int bytes_read; | |
b4be9fad | 2790 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
5af949e3 | 2791 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 2792 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 2793 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2794 | |
2795 | /* First we need to figure out the limit on the number of characters we are | |
2796 | going to attempt to fetch and print. This is actually pretty simple. If | |
2797 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2798 | LEN is -1, then the limit is print_max. This is true regardless of | |
2799 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2800 | because finding the null byte (or available memory) is what actually | |
2801 | limits the fetch. */ | |
2802 | ||
325fac50 PA |
2803 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2804 | options->print_max)); | |
ae6a3a4c | 2805 | |
d09f2c3f PA |
2806 | err = read_string (addr, len, width, fetchlimit, byte_order, |
2807 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2808 | |
2809 | addr += bytes_read; | |
c906108c | 2810 | |
3e43a32a MS |
2811 | /* We now have either successfully filled the buffer to fetchlimit, |
2812 | or terminated early due to an error or finding a null char when | |
2813 | LEN is -1. */ | |
ae6a3a4c TJB |
2814 | |
2815 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2816 | found_nul = 0; |
2817 | if (bytes_read >= width) | |
b4be9fad TT |
2818 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2819 | width, byte_order) == 0; | |
c906108c SS |
2820 | if (len == -1 && !found_nul) |
2821 | { | |
777ea8f1 | 2822 | gdb_byte *peekbuf; |
c906108c | 2823 | |
ae6a3a4c | 2824 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2825 | to peek at the next character. If not successful, or it is not |
2826 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2827 | |
777ea8f1 | 2828 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2829 | |
2830 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2831 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2832 | force_ellipsis = 1; |
2833 | } | |
d09f2c3f | 2834 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2835 | { |
2836 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2837 | than the number of characters actually requested, always make us |
ae6a3a4c | 2838 | print ellipsis. */ |
c906108c SS |
2839 | force_ellipsis = 1; |
2840 | } | |
2841 | ||
c906108c SS |
2842 | /* If we get an error before fetching anything, don't print a string. |
2843 | But if we fetch something and then get an error, print the string | |
2844 | and then the error message. */ | |
d09f2c3f | 2845 | if (err == 0 || bytes_read > 0) |
c906108c | 2846 | { |
b4be9fad | 2847 | LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width, |
3a772aa4 | 2848 | encoding, force_ellipsis, options); |
c906108c SS |
2849 | } |
2850 | ||
d09f2c3f | 2851 | if (err != 0) |
c906108c | 2852 | { |
1ccbe998 | 2853 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 PA |
2854 | |
2855 | fprintf_filtered (stream, "<error: "); | |
1ccbe998 | 2856 | fputs_filtered (str.c_str (), stream); |
578d3588 | 2857 | fprintf_filtered (stream, ">"); |
c906108c | 2858 | } |
ae6a3a4c | 2859 | |
ae6a3a4c | 2860 | return (bytes_read / width); |
c906108c | 2861 | } |
c906108c | 2862 | \f |
c5aa993b | 2863 | |
09e6485f PA |
2864 | /* The 'set input-radix' command writes to this auxiliary variable. |
2865 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2866 | it is left unchanged. */ | |
2867 | ||
2868 | static unsigned input_radix_1 = 10; | |
2869 | ||
c906108c SS |
2870 | /* Validate an input or output radix setting, and make sure the user |
2871 | knows what they really did here. Radix setting is confusing, e.g. | |
2872 | setting the input radix to "10" never changes it! */ | |
2873 | ||
c906108c | 2874 | static void |
eb4c3f4a | 2875 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2876 | { |
09e6485f | 2877 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2878 | } |
2879 | ||
c906108c | 2880 | static void |
fba45db2 | 2881 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2882 | { |
2883 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2884 | make any mathematical sense. In theory, we can deal with any input | |
2885 | radix greater than 1, even if we don't have unique digits for every | |
2886 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2887 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2888 | (FIXME). */ |
c906108c SS |
2889 | |
2890 | if (radix < 2) | |
2891 | { | |
09e6485f | 2892 | input_radix_1 = input_radix; |
8a3fe4f8 | 2893 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2894 | radix); |
2895 | } | |
09e6485f | 2896 | input_radix_1 = input_radix = radix; |
c906108c SS |
2897 | if (from_tty) |
2898 | { | |
3e43a32a MS |
2899 | printf_filtered (_("Input radix now set to " |
2900 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2901 | radix, radix, radix); |
2902 | } | |
2903 | } | |
2904 | ||
09e6485f PA |
2905 | /* The 'set output-radix' command writes to this auxiliary variable. |
2906 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2907 | otherwise, it is left unchanged. */ | |
2908 | ||
2909 | static unsigned output_radix_1 = 10; | |
2910 | ||
c906108c | 2911 | static void |
eb4c3f4a | 2912 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2913 | { |
09e6485f | 2914 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2915 | } |
2916 | ||
2917 | static void | |
fba45db2 | 2918 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2919 | { |
2920 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2921 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2922 | switch (radix) |
2923 | { | |
2924 | case 16: | |
79a45b7d | 2925 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2926 | break; |
2927 | case 10: | |
79a45b7d | 2928 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2929 | break; |
2930 | case 8: | |
79a45b7d | 2931 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2932 | break; |
2933 | default: | |
09e6485f | 2934 | output_radix_1 = output_radix; |
3e43a32a MS |
2935 | error (_("Unsupported output radix ``decimal %u''; " |
2936 | "output radix unchanged."), | |
c906108c SS |
2937 | radix); |
2938 | } | |
09e6485f | 2939 | output_radix_1 = output_radix = radix; |
c906108c SS |
2940 | if (from_tty) |
2941 | { | |
3e43a32a MS |
2942 | printf_filtered (_("Output radix now set to " |
2943 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2944 | radix, radix, radix); |
2945 | } | |
2946 | } | |
2947 | ||
2948 | /* Set both the input and output radix at once. Try to set the output radix | |
2949 | first, since it has the most restrictive range. An radix that is valid as | |
2950 | an output radix is also valid as an input radix. | |
2951 | ||
2952 | It may be useful to have an unusual input radix. If the user wishes to | |
2953 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2954 | the 'set input-radix' command. */ |
c906108c SS |
2955 | |
2956 | static void | |
b0a8e6c4 | 2957 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2958 | { |
2959 | unsigned radix; | |
2960 | ||
bb518678 | 2961 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2962 | set_output_radix_1 (0, radix); |
2963 | set_input_radix_1 (0, radix); | |
2964 | if (from_tty) | |
2965 | { | |
3e43a32a MS |
2966 | printf_filtered (_("Input and output radices now set to " |
2967 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2968 | radix, radix, radix); |
2969 | } | |
2970 | } | |
2971 | ||
581e13c1 | 2972 | /* Show both the input and output radices. */ |
c906108c | 2973 | |
c906108c | 2974 | static void |
b0a8e6c4 | 2975 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2976 | { |
2977 | if (from_tty) | |
2978 | { | |
2979 | if (input_radix == output_radix) | |
2980 | { | |
3e43a32a MS |
2981 | printf_filtered (_("Input and output radices set to " |
2982 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2983 | input_radix, input_radix, input_radix); |
2984 | } | |
2985 | else | |
2986 | { | |
3e43a32a MS |
2987 | printf_filtered (_("Input radix set to decimal " |
2988 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2989 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2990 | printf_filtered (_("Output radix set to decimal " |
2991 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2992 | output_radix, output_radix, output_radix); |
2993 | } | |
2994 | } | |
2995 | } | |
c906108c | 2996 | \f |
c5aa993b | 2997 | |
c906108c | 2998 | static void |
981a3fb3 | 2999 | set_print (const char *arg, int from_tty) |
c906108c SS |
3000 | { |
3001 | printf_unfiltered ( | |
c5aa993b | 3002 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
635c7e8a | 3003 | help_list (setprintlist, "set print ", all_commands, gdb_stdout); |
c906108c SS |
3004 | } |
3005 | ||
c906108c | 3006 | static void |
981a3fb3 | 3007 | show_print (const char *args, int from_tty) |
c906108c SS |
3008 | { |
3009 | cmd_show_list (showprintlist, from_tty, ""); | |
3010 | } | |
e7045703 DE |
3011 | |
3012 | static void | |
981a3fb3 | 3013 | set_print_raw (const char *arg, int from_tty) |
e7045703 DE |
3014 | { |
3015 | printf_unfiltered ( | |
3016 | "\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n"); | |
635c7e8a | 3017 | help_list (setprintrawlist, "set print raw ", all_commands, gdb_stdout); |
e7045703 DE |
3018 | } |
3019 | ||
3020 | static void | |
981a3fb3 | 3021 | show_print_raw (const char *args, int from_tty) |
e7045703 DE |
3022 | { |
3023 | cmd_show_list (showprintrawlist, from_tty, ""); | |
3024 | } | |
3025 | ||
c906108c SS |
3026 | \f |
3027 | void | |
fba45db2 | 3028 | _initialize_valprint (void) |
c906108c | 3029 | { |
c906108c | 3030 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 3031 | _("Generic command for setting how things print."), |
c906108c | 3032 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 3033 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3034 | /* Prefer set print to set prompt. */ |
c906108c SS |
3035 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3036 | ||
3037 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 3038 | _("Generic command for showing print settings."), |
c906108c | 3039 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
3040 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3041 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3042 | |
e7045703 DE |
3043 | add_prefix_cmd ("raw", no_class, set_print_raw, |
3044 | _("\ | |
3045 | Generic command for setting what things to print in \"raw\" mode."), | |
3046 | &setprintrawlist, "set print raw ", 0, &setprintlist); | |
3047 | add_prefix_cmd ("raw", no_class, show_print_raw, | |
3048 | _("Generic command for showing \"print raw\" settings."), | |
3049 | &showprintrawlist, "show print raw ", 0, &showprintlist); | |
3050 | ||
79a45b7d TT |
3051 | add_setshow_uinteger_cmd ("elements", no_class, |
3052 | &user_print_options.print_max, _("\ | |
35096d9d AC |
3053 | Set limit on string chars or array elements to print."), _("\ |
3054 | Show limit on string chars or array elements to print."), _("\ | |
f81d1120 | 3055 | \"set print elements unlimited\" causes there to be no limit."), |
35096d9d | 3056 | NULL, |
920d2a44 | 3057 | show_print_max, |
35096d9d | 3058 | &setprintlist, &showprintlist); |
c906108c | 3059 | |
79a45b7d TT |
3060 | add_setshow_boolean_cmd ("null-stop", no_class, |
3061 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
3062 | Set printing of char arrays to stop at first null char."), _("\ |
3063 | Show printing of char arrays to stop at first null char."), NULL, | |
3064 | NULL, | |
920d2a44 | 3065 | show_stop_print_at_null, |
5bf193a2 | 3066 | &setprintlist, &showprintlist); |
c906108c | 3067 | |
35096d9d | 3068 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 3069 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
3070 | Set threshold for repeated print elements."), _("\ |
3071 | Show threshold for repeated print elements."), _("\ | |
f81d1120 | 3072 | \"set print repeats unlimited\" causes all elements to be individually printed."), |
35096d9d | 3073 | NULL, |
920d2a44 | 3074 | show_repeat_count_threshold, |
35096d9d | 3075 | &setprintlist, &showprintlist); |
c906108c | 3076 | |
79a45b7d | 3077 | add_setshow_boolean_cmd ("pretty", class_support, |
2a998fc0 DE |
3078 | &user_print_options.prettyformat_structs, _("\ |
3079 | Set pretty formatting of structures."), _("\ | |
3080 | Show pretty formatting of structures."), NULL, | |
5bf193a2 | 3081 | NULL, |
2a998fc0 | 3082 | show_prettyformat_structs, |
5bf193a2 AC |
3083 | &setprintlist, &showprintlist); |
3084 | ||
79a45b7d TT |
3085 | add_setshow_boolean_cmd ("union", class_support, |
3086 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
3087 | Set printing of unions interior to structures."), _("\ |
3088 | Show printing of unions interior to structures."), NULL, | |
3089 | NULL, | |
920d2a44 | 3090 | show_unionprint, |
5bf193a2 AC |
3091 | &setprintlist, &showprintlist); |
3092 | ||
79a45b7d | 3093 | add_setshow_boolean_cmd ("array", class_support, |
2a998fc0 DE |
3094 | &user_print_options.prettyformat_arrays, _("\ |
3095 | Set pretty formatting of arrays."), _("\ | |
3096 | Show pretty formatting of arrays."), NULL, | |
5bf193a2 | 3097 | NULL, |
2a998fc0 | 3098 | show_prettyformat_arrays, |
5bf193a2 AC |
3099 | &setprintlist, &showprintlist); |
3100 | ||
79a45b7d TT |
3101 | add_setshow_boolean_cmd ("address", class_support, |
3102 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
3103 | Set printing of addresses."), _("\ |
3104 | Show printing of addresses."), NULL, | |
3105 | NULL, | |
920d2a44 | 3106 | show_addressprint, |
5bf193a2 | 3107 | &setprintlist, &showprintlist); |
c906108c | 3108 | |
9cb709b6 TT |
3109 | add_setshow_boolean_cmd ("symbol", class_support, |
3110 | &user_print_options.symbol_print, _("\ | |
3111 | Set printing of symbol names when printing pointers."), _("\ | |
3112 | Show printing of symbol names when printing pointers."), | |
3113 | NULL, NULL, | |
3114 | show_symbol_print, | |
3115 | &setprintlist, &showprintlist); | |
3116 | ||
1e8fb976 PA |
3117 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3118 | _("\ | |
35096d9d AC |
3119 | Set default input radix for entering numbers."), _("\ |
3120 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3121 | set_input_radix, |
3122 | show_input_radix, | |
3123 | &setlist, &showlist); | |
35096d9d | 3124 | |
1e8fb976 PA |
3125 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3126 | _("\ | |
35096d9d AC |
3127 | Set default output radix for printing of values."), _("\ |
3128 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3129 | set_output_radix, |
3130 | show_output_radix, | |
3131 | &setlist, &showlist); | |
c906108c | 3132 | |
cb1a6d5f AC |
3133 | /* The "set radix" and "show radix" commands are special in that |
3134 | they are like normal set and show commands but allow two normally | |
3135 | independent variables to be either set or shown with a single | |
b66df561 | 3136 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3137 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3138 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3139 | longer true - show can display anything. */ | |
1a966eab AC |
3140 | add_cmd ("radix", class_support, set_radix, _("\ |
3141 | Set default input and output number radices.\n\ | |
c906108c | 3142 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3143 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3144 | &setlist); |
1a966eab AC |
3145 | add_cmd ("radix", class_support, show_radix, _("\ |
3146 | Show the default input and output number radices.\n\ | |
3147 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
3148 | &showlist); |
3149 | ||
e79af960 | 3150 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 3151 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
3152 | Set printing of array indexes."), _("\ |
3153 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
3154 | &setprintlist, &showprintlist); | |
c906108c | 3155 | } |