Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
c906108c SS |
21 | #include "symtab.h" |
22 | #include "gdbtypes.h" | |
23 | #include "value.h" | |
24 | #include "gdbcore.h" | |
25 | #include "gdbcmd.h" | |
26 | #include "target.h" | |
c906108c | 27 | #include "language.h" |
c906108c SS |
28 | #include "annotate.h" |
29 | #include "valprint.h" | |
f69fdf9b | 30 | #include "target-float.h" |
6dddc817 | 31 | #include "extension.h" |
0c3acc09 | 32 | #include "ada-lang.h" |
3b2b8fea TT |
33 | #include "gdb_obstack.h" |
34 | #include "charset.h" | |
3f2f83dd | 35 | #include "typeprint.h" |
3b2b8fea | 36 | #include <ctype.h> |
325fac50 | 37 | #include <algorithm> |
268a13a5 | 38 | #include "gdbsupport/byte-vector.h" |
7d8062de | 39 | #include "cli/cli-option.h" |
0d12e84c | 40 | #include "gdbarch.h" |
7f6aba03 | 41 | #include "cli/cli-style.h" |
edd45eb0 | 42 | #include "count-one-bits.h" |
c906108c | 43 | |
0d63ecda KS |
44 | /* Maximum number of wchars returned from wchar_iterate. */ |
45 | #define MAX_WCHARS 4 | |
46 | ||
47 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
48 | characters. */ | |
49 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
50 | ||
51 | /* Character buffer size saved while iterating over wchars. */ | |
52 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
53 | ||
54 | /* A structure to encapsulate state information from iterated | |
55 | character conversions. */ | |
56 | struct converted_character | |
57 | { | |
58 | /* The number of characters converted. */ | |
59 | int num_chars; | |
60 | ||
61 | /* The result of the conversion. See charset.h for more. */ | |
62 | enum wchar_iterate_result result; | |
63 | ||
64 | /* The (saved) converted character(s). */ | |
65 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
66 | ||
67 | /* The first converted target byte. */ | |
68 | const gdb_byte *buf; | |
69 | ||
70 | /* The number of bytes converted. */ | |
71 | size_t buflen; | |
72 | ||
73 | /* How many times this character(s) is repeated. */ | |
74 | int repeat_count; | |
75 | }; | |
76 | ||
e7045703 DE |
77 | /* Command lists for set/show print raw. */ |
78 | struct cmd_list_element *setprintrawlist; | |
79 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 80 | |
c906108c SS |
81 | /* Prototypes for local functions */ |
82 | ||
777ea8f1 | 83 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 84 | int len, int *errptr); |
917317f4 | 85 | |
a14ed312 | 86 | static void set_input_radix_1 (int, unsigned); |
c906108c | 87 | |
a14ed312 | 88 | static void set_output_radix_1 (int, unsigned); |
c906108c | 89 | |
81516450 | 90 | static void val_print_type_code_flags (struct type *type, |
65786af6 TT |
91 | struct value *original_value, |
92 | int embedded_offset, | |
81516450 DE |
93 | struct ui_file *stream); |
94 | ||
581e13c1 | 95 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
2e62ab40 | 96 | #define PRINT_MAX_DEPTH_DEFAULT 20 /* Start print_max_depth off at this value. */ |
79a45b7d TT |
97 | |
98 | struct value_print_options user_print_options = | |
99 | { | |
2a998fc0 DE |
100 | Val_prettyformat_default, /* prettyformat */ |
101 | 0, /* prettyformat_arrays */ | |
102 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
103 | 0, /* vtblprint */ |
104 | 1, /* unionprint */ | |
105 | 1, /* addressprint */ | |
106 | 0, /* objectprint */ | |
107 | PRINT_MAX_DEFAULT, /* print_max */ | |
108 | 10, /* repeat_count_threshold */ | |
109 | 0, /* output_format */ | |
110 | 0, /* format */ | |
111 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
112 | 0, /* print_array_indexes */ |
113 | 0, /* deref_ref */ | |
114 | 1, /* static_field_print */ | |
a6bac58e TT |
115 | 1, /* pascal_static_field_print */ |
116 | 0, /* raw */ | |
9cb709b6 | 117 | 0, /* summary */ |
2e62ab40 | 118 | 1, /* symbol_print */ |
000439d5 TT |
119 | PRINT_MAX_DEPTH_DEFAULT, /* max_depth */ |
120 | 1 /* finish_print */ | |
79a45b7d TT |
121 | }; |
122 | ||
123 | /* Initialize *OPTS to be a copy of the user print options. */ | |
124 | void | |
125 | get_user_print_options (struct value_print_options *opts) | |
126 | { | |
127 | *opts = user_print_options; | |
128 | } | |
129 | ||
130 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 131 | pretty-formatting disabled. */ |
79a45b7d | 132 | void |
2a998fc0 | 133 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
134 | { |
135 | *opts = user_print_options; | |
2a998fc0 | 136 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
137 | } |
138 | ||
139 | /* Initialize *OPTS to be a copy of the user print options, but using | |
140 | FORMAT as the formatting option. */ | |
141 | void | |
142 | get_formatted_print_options (struct value_print_options *opts, | |
143 | char format) | |
144 | { | |
145 | *opts = user_print_options; | |
146 | opts->format = format; | |
147 | } | |
148 | ||
920d2a44 AC |
149 | static void |
150 | show_print_max (struct ui_file *file, int from_tty, | |
151 | struct cmd_list_element *c, const char *value) | |
152 | { | |
3e43a32a MS |
153 | fprintf_filtered (file, |
154 | _("Limit on string chars or array " | |
155 | "elements to print is %s.\n"), | |
920d2a44 AC |
156 | value); |
157 | } | |
158 | ||
c906108c SS |
159 | |
160 | /* Default input and output radixes, and output format letter. */ | |
161 | ||
162 | unsigned input_radix = 10; | |
920d2a44 AC |
163 | static void |
164 | show_input_radix (struct ui_file *file, int from_tty, | |
165 | struct cmd_list_element *c, const char *value) | |
166 | { | |
3e43a32a MS |
167 | fprintf_filtered (file, |
168 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
169 | value); |
170 | } | |
171 | ||
c906108c | 172 | unsigned output_radix = 10; |
920d2a44 AC |
173 | static void |
174 | show_output_radix (struct ui_file *file, int from_tty, | |
175 | struct cmd_list_element *c, const char *value) | |
176 | { | |
3e43a32a MS |
177 | fprintf_filtered (file, |
178 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
179 | value); |
180 | } | |
c906108c | 181 | |
e79af960 JB |
182 | /* By default we print arrays without printing the index of each element in |
183 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
184 | ||
e79af960 JB |
185 | static void |
186 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
187 | struct cmd_list_element *c, const char *value) | |
188 | { | |
189 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
190 | } | |
191 | ||
c906108c SS |
192 | /* Print repeat counts if there are more than this many repetitions of an |
193 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 194 | print routines. */ |
c906108c | 195 | |
920d2a44 AC |
196 | static void |
197 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
198 | struct cmd_list_element *c, const char *value) | |
199 | { | |
200 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
201 | value); | |
202 | } | |
c906108c | 203 | |
581e13c1 | 204 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 205 | |
920d2a44 AC |
206 | static void |
207 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
208 | struct cmd_list_element *c, const char *value) | |
209 | { | |
3e43a32a MS |
210 | fprintf_filtered (file, |
211 | _("Printing of char arrays to stop " | |
212 | "at first null char is %s.\n"), | |
920d2a44 AC |
213 | value); |
214 | } | |
c906108c | 215 | |
581e13c1 | 216 | /* Controls pretty printing of structures. */ |
c906108c | 217 | |
920d2a44 | 218 | static void |
2a998fc0 | 219 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
220 | struct cmd_list_element *c, const char *value) |
221 | { | |
2a998fc0 | 222 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 223 | } |
c906108c SS |
224 | |
225 | /* Controls pretty printing of arrays. */ | |
226 | ||
920d2a44 | 227 | static void |
2a998fc0 | 228 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
229 | struct cmd_list_element *c, const char *value) |
230 | { | |
2a998fc0 | 231 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 232 | } |
c906108c SS |
233 | |
234 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 235 | printed. */ |
c906108c | 236 | |
920d2a44 AC |
237 | static void |
238 | show_unionprint (struct ui_file *file, int from_tty, | |
239 | struct cmd_list_element *c, const char *value) | |
240 | { | |
3e43a32a MS |
241 | fprintf_filtered (file, |
242 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
243 | value); |
244 | } | |
c906108c | 245 | |
581e13c1 | 246 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 247 | |
920d2a44 AC |
248 | static void |
249 | show_addressprint (struct ui_file *file, int from_tty, | |
250 | struct cmd_list_element *c, const char *value) | |
251 | { | |
252 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
253 | } | |
9cb709b6 TT |
254 | |
255 | static void | |
256 | show_symbol_print (struct ui_file *file, int from_tty, | |
257 | struct cmd_list_element *c, const char *value) | |
258 | { | |
259 | fprintf_filtered (file, | |
260 | _("Printing of symbols when printing pointers is %s.\n"), | |
261 | value); | |
262 | } | |
263 | ||
c906108c | 264 | \f |
c5aa993b | 265 | |
a6bac58e TT |
266 | /* A helper function for val_print. When printing in "summary" mode, |
267 | we want to print scalar arguments, but not aggregate arguments. | |
268 | This function distinguishes between the two. */ | |
269 | ||
6211c335 YQ |
270 | int |
271 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 272 | { |
f168693b | 273 | type = check_typedef (type); |
aa006118 | 274 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e TT |
275 | { |
276 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 277 | type = check_typedef (type); |
a6bac58e | 278 | } |
78134374 | 279 | switch (type->code ()) |
a6bac58e TT |
280 | { |
281 | case TYPE_CODE_ARRAY: | |
282 | case TYPE_CODE_STRUCT: | |
283 | case TYPE_CODE_UNION: | |
284 | case TYPE_CODE_SET: | |
285 | case TYPE_CODE_STRING: | |
a6bac58e TT |
286 | return 0; |
287 | default: | |
288 | return 1; | |
289 | } | |
290 | } | |
291 | ||
2e62ab40 AB |
292 | /* A helper function for val_print. When printing with limited depth we |
293 | want to print string and scalar arguments, but not aggregate arguments. | |
294 | This function distinguishes between the two. */ | |
295 | ||
296 | static bool | |
297 | val_print_scalar_or_string_type_p (struct type *type, | |
298 | const struct language_defn *language) | |
299 | { | |
300 | return (val_print_scalar_type_p (type) | |
39e7ecca | 301 | || language->is_string_type_p (type)); |
2e62ab40 AB |
302 | } |
303 | ||
2677f2d3 | 304 | /* See valprint.h. */ |
0e03807e | 305 | |
a72c8f6a | 306 | int |
0e03807e TT |
307 | valprint_check_validity (struct ui_file *stream, |
308 | struct type *type, | |
6b850546 | 309 | LONGEST embedded_offset, |
0e03807e TT |
310 | const struct value *val) |
311 | { | |
f168693b | 312 | type = check_typedef (type); |
0e03807e | 313 | |
3f2f83dd KB |
314 | if (type_not_associated (type)) |
315 | { | |
316 | val_print_not_associated (stream); | |
317 | return 0; | |
318 | } | |
319 | ||
320 | if (type_not_allocated (type)) | |
321 | { | |
322 | val_print_not_allocated (stream); | |
323 | return 0; | |
324 | } | |
325 | ||
78134374 SM |
326 | if (type->code () != TYPE_CODE_UNION |
327 | && type->code () != TYPE_CODE_STRUCT | |
328 | && type->code () != TYPE_CODE_ARRAY) | |
0e03807e | 329 | { |
9a0dc9e3 PA |
330 | if (value_bits_any_optimized_out (val, |
331 | TARGET_CHAR_BIT * embedded_offset, | |
332 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 333 | { |
901461f8 | 334 | val_print_optimized_out (val, stream); |
0e03807e TT |
335 | return 0; |
336 | } | |
8cf6f0b1 | 337 | |
4e07d55f | 338 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
339 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
340 | { | |
78134374 | 341 | const int is_ref = type->code () == TYPE_CODE_REF; |
3326303b MG |
342 | int ref_is_addressable = 0; |
343 | ||
344 | if (is_ref) | |
345 | { | |
346 | const struct value *deref_val = coerce_ref_if_computed (val); | |
347 | ||
348 | if (deref_val != NULL) | |
349 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
350 | } | |
351 | ||
352 | if (!is_ref || !ref_is_addressable) | |
7f6aba03 TT |
353 | fputs_styled (_("<synthetic pointer>"), metadata_style.style (), |
354 | stream); | |
3326303b MG |
355 | |
356 | /* C++ references should be valid even if they're synthetic. */ | |
357 | return is_ref; | |
8cf6f0b1 | 358 | } |
4e07d55f PA |
359 | |
360 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
361 | { | |
362 | val_print_unavailable (stream); | |
363 | return 0; | |
364 | } | |
0e03807e TT |
365 | } |
366 | ||
367 | return 1; | |
368 | } | |
369 | ||
585fdaa1 | 370 | void |
901461f8 | 371 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 372 | { |
901461f8 | 373 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 374 | val_print_not_saved (stream); |
901461f8 | 375 | else |
7f6aba03 | 376 | fprintf_styled (stream, metadata_style.style (), _("<optimized out>")); |
585fdaa1 PA |
377 | } |
378 | ||
782d47df PA |
379 | void |
380 | val_print_not_saved (struct ui_file *stream) | |
381 | { | |
7f6aba03 | 382 | fprintf_styled (stream, metadata_style.style (), _("<not saved>")); |
782d47df PA |
383 | } |
384 | ||
4e07d55f PA |
385 | void |
386 | val_print_unavailable (struct ui_file *stream) | |
387 | { | |
7f6aba03 | 388 | fprintf_styled (stream, metadata_style.style (), _("<unavailable>")); |
4e07d55f PA |
389 | } |
390 | ||
8af8e3bc PA |
391 | void |
392 | val_print_invalid_address (struct ui_file *stream) | |
393 | { | |
7f6aba03 | 394 | fprintf_styled (stream, metadata_style.style (), _("<invalid address>")); |
8af8e3bc PA |
395 | } |
396 | ||
9f436164 SM |
397 | /* Print a pointer based on the type of its target. |
398 | ||
399 | Arguments to this functions are roughly the same as those in | |
400 | generic_val_print. A difference is that ADDRESS is the address to print, | |
401 | with embedded_offset already added. ELTTYPE represents | |
402 | the pointed type after check_typedef. */ | |
403 | ||
404 | static void | |
405 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
406 | CORE_ADDR address, struct ui_file *stream, | |
407 | const struct value_print_options *options) | |
408 | { | |
409 | struct gdbarch *gdbarch = get_type_arch (type); | |
410 | ||
78134374 | 411 | if (elttype->code () == TYPE_CODE_FUNC) |
9f436164 SM |
412 | { |
413 | /* Try to print what function it points to. */ | |
414 | print_function_pointer_address (options, gdbarch, address, stream); | |
415 | return; | |
416 | } | |
417 | ||
418 | if (options->symbol_print) | |
419 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
420 | else if (options->addressprint) | |
421 | fputs_filtered (paddress (gdbarch, address), stream); | |
422 | } | |
423 | ||
557dbe8a SM |
424 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
425 | ||
426 | static void | |
426a9c18 | 427 | generic_val_print_array (struct value *val, |
00272ec4 | 428 | struct ui_file *stream, int recurse, |
00272ec4 TT |
429 | const struct value_print_options *options, |
430 | const struct | |
431 | generic_val_print_decorations *decorations) | |
557dbe8a | 432 | { |
426a9c18 | 433 | struct type *type = check_typedef (value_type (val)); |
557dbe8a SM |
434 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); |
435 | struct type *elttype = check_typedef (unresolved_elttype); | |
436 | ||
437 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
438 | { | |
439 | LONGEST low_bound, high_bound; | |
440 | ||
441 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
442 | error (_("Could not determine the array high bound")); | |
443 | ||
00272ec4 | 444 | fputs_filtered (decorations->array_start, stream); |
426a9c18 | 445 | value_print_array_elements (val, stream, recurse, options, 0); |
00272ec4 | 446 | fputs_filtered (decorations->array_end, stream); |
557dbe8a SM |
447 | } |
448 | else | |
449 | { | |
450 | /* Array of unspecified length: treat like pointer to first elt. */ | |
426a9c18 TT |
451 | print_unpacked_pointer (type, elttype, value_address (val), |
452 | stream, options); | |
557dbe8a SM |
453 | } |
454 | ||
455 | } | |
456 | ||
2a5b130b TT |
457 | /* generic_value_print helper for TYPE_CODE_PTR. */ |
458 | ||
459 | static void | |
460 | generic_value_print_ptr (struct value *val, struct ui_file *stream, | |
461 | const struct value_print_options *options) | |
462 | { | |
463 | ||
464 | if (options->format && options->format != 's') | |
465 | value_print_scalar_formatted (val, options, 0, stream); | |
466 | else | |
467 | { | |
468 | struct type *type = check_typedef (value_type (val)); | |
469 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
470 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
471 | CORE_ADDR addr = unpack_pointer (type, valaddr); | |
472 | ||
473 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
474 | } | |
475 | } | |
476 | ||
45000ea2 | 477 | |
3326303b MG |
478 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
479 | ||
480 | static void | |
481 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
482 | int embedded_offset, struct ui_file *stream) | |
483 | { | |
484 | struct gdbarch *gdbarch = get_type_arch (type); | |
485 | ||
486 | if (address_buffer != NULL) | |
487 | { | |
488 | CORE_ADDR address | |
489 | = extract_typed_address (address_buffer + embedded_offset, type); | |
490 | ||
491 | fprintf_filtered (stream, "@"); | |
492 | fputs_filtered (paddress (gdbarch, address), stream); | |
493 | } | |
494 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
495 | } | |
496 | ||
497 | /* If VAL is addressable, return the value contents buffer of a value that | |
498 | represents a pointer to VAL. Otherwise return NULL. */ | |
499 | ||
500 | static const gdb_byte * | |
501 | get_value_addr_contents (struct value *deref_val) | |
502 | { | |
503 | gdb_assert (deref_val != NULL); | |
504 | ||
505 | if (value_lval_const (deref_val) == lval_memory) | |
506 | return value_contents_for_printing_const (value_addr (deref_val)); | |
507 | else | |
508 | { | |
509 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
510 | return NULL; | |
511 | } | |
512 | } | |
513 | ||
aa006118 | 514 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
515 | |
516 | static void | |
e8b24d9f | 517 | generic_val_print_ref (struct type *type, |
fe43fede | 518 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 519 | struct value *original_value, |
fe43fede SM |
520 | const struct value_print_options *options) |
521 | { | |
fe43fede | 522 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
3326303b MG |
523 | struct value *deref_val = NULL; |
524 | const int value_is_synthetic | |
525 | = value_bits_synthetic_pointer (original_value, | |
526 | TARGET_CHAR_BIT * embedded_offset, | |
527 | TARGET_CHAR_BIT * TYPE_LENGTH (type)); | |
528 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) | |
529 | || options->deref_ref); | |
78134374 | 530 | const int type_is_defined = elttype->code () != TYPE_CODE_UNDEF; |
e8b24d9f | 531 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3326303b MG |
532 | |
533 | if (must_coerce_ref && type_is_defined) | |
534 | { | |
535 | deref_val = coerce_ref_if_computed (original_value); | |
536 | ||
537 | if (deref_val != NULL) | |
538 | { | |
539 | /* More complicated computed references are not supported. */ | |
540 | gdb_assert (embedded_offset == 0); | |
541 | } | |
542 | else | |
543 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
544 | unpack_pointer (type, valaddr + embedded_offset)); | |
545 | } | |
546 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
547 | the reference's contents. | |
548 | ||
549 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
550 | cause original_value to be a not_lval instead of an lval_computed, | |
551 | which will make value_bits_synthetic_pointer return false. | |
552 | This happens because if options->objectprint is true, c_value_print will | |
553 | overwrite original_value's contents with the result of coercing | |
554 | the reference through value_addr, and then set its type back to | |
555 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
556 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
557 | |
558 | if (options->addressprint) | |
559 | { | |
3326303b MG |
560 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
561 | ? get_value_addr_contents (deref_val) | |
562 | : valaddr); | |
563 | ||
564 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 565 | |
fe43fede SM |
566 | if (options->deref_ref) |
567 | fputs_filtered (": ", stream); | |
568 | } | |
3326303b | 569 | |
fe43fede SM |
570 | if (options->deref_ref) |
571 | { | |
3326303b MG |
572 | if (type_is_defined) |
573 | common_val_print (deref_val, stream, recurse, options, | |
574 | current_language); | |
fe43fede SM |
575 | else |
576 | fputs_filtered ("???", stream); | |
577 | } | |
578 | } | |
579 | ||
81516450 DE |
580 | /* Helper function for generic_val_print_enum. |
581 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
582 | |
583 | static void | |
81516450 DE |
584 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
585 | struct ui_file *stream) | |
ef0bc0dd SM |
586 | { |
587 | unsigned int i; | |
588 | unsigned int len; | |
ef0bc0dd | 589 | |
1f704f76 | 590 | len = type->num_fields (); |
ef0bc0dd SM |
591 | for (i = 0; i < len; i++) |
592 | { | |
593 | QUIT; | |
594 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
595 | { | |
596 | break; | |
597 | } | |
598 | } | |
599 | if (i < len) | |
600 | { | |
3f0cbb04 TT |
601 | fputs_styled (TYPE_FIELD_NAME (type, i), variable_name_style.style (), |
602 | stream); | |
ef0bc0dd SM |
603 | } |
604 | else if (TYPE_FLAG_ENUM (type)) | |
605 | { | |
606 | int first = 1; | |
607 | ||
6740f0cc SM |
608 | /* We have a "flag" enum, so we try to decompose it into pieces as |
609 | appropriate. The enum may have multiple enumerators representing | |
610 | the same bit, in which case we choose to only print the first one | |
611 | we find. */ | |
ef0bc0dd SM |
612 | for (i = 0; i < len; ++i) |
613 | { | |
614 | QUIT; | |
615 | ||
edd45eb0 SM |
616 | ULONGEST enumval = TYPE_FIELD_ENUMVAL (type, i); |
617 | int nbits = count_one_bits_ll (enumval); | |
618 | ||
619 | gdb_assert (nbits == 0 || nbits == 1); | |
620 | ||
621 | if ((val & enumval) != 0) | |
ef0bc0dd | 622 | { |
373d7ac0 SM |
623 | if (first) |
624 | { | |
625 | fputs_filtered ("(", stream); | |
626 | first = 0; | |
627 | } | |
628 | else | |
ef0bc0dd | 629 | fputs_filtered (" | ", stream); |
ef0bc0dd SM |
630 | |
631 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
3f0cbb04 TT |
632 | fputs_styled (TYPE_FIELD_NAME (type, i), |
633 | variable_name_style.style (), stream); | |
ef0bc0dd SM |
634 | } |
635 | } | |
636 | ||
373d7ac0 | 637 | if (val != 0) |
ef0bc0dd | 638 | { |
373d7ac0 SM |
639 | /* There are leftover bits, print them. */ |
640 | if (first) | |
641 | fputs_filtered ("(", stream); | |
642 | else | |
ef0bc0dd | 643 | fputs_filtered (" | ", stream); |
373d7ac0 | 644 | |
b29a2df0 SM |
645 | fputs_filtered ("unknown: 0x", stream); |
646 | print_longest (stream, 'x', 0, val); | |
373d7ac0 SM |
647 | fputs_filtered (")", stream); |
648 | } | |
649 | else if (first) | |
650 | { | |
651 | /* Nothing has been printed and the value is 0, the enum value must | |
652 | have been 0. */ | |
653 | fputs_filtered ("0", stream); | |
654 | } | |
655 | else | |
656 | { | |
657 | /* Something has been printed, close the parenthesis. */ | |
658 | fputs_filtered (")", stream); | |
ef0bc0dd | 659 | } |
ef0bc0dd SM |
660 | } |
661 | else | |
662 | print_longest (stream, 'd', 0, val); | |
663 | } | |
664 | ||
81516450 DE |
665 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
666 | ||
667 | static void | |
e8b24d9f | 668 | generic_val_print_enum (struct type *type, |
81516450 | 669 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 670 | struct value *original_value, |
81516450 DE |
671 | const struct value_print_options *options) |
672 | { | |
673 | LONGEST val; | |
674 | struct gdbarch *gdbarch = get_type_arch (type); | |
675 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
676 | ||
40f3ce18 | 677 | gdb_assert (!options->format); |
e8b24d9f | 678 | |
40f3ce18 | 679 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
81516450 | 680 | |
40f3ce18 TT |
681 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
682 | ||
683 | generic_val_print_enum_1 (type, val, stream); | |
81516450 DE |
684 | } |
685 | ||
4a8c372f SM |
686 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
687 | ||
688 | static void | |
e8b24d9f | 689 | generic_val_print_func (struct type *type, |
4a8c372f SM |
690 | int embedded_offset, CORE_ADDR address, |
691 | struct ui_file *stream, | |
e8b24d9f | 692 | struct value *original_value, |
4a8c372f SM |
693 | const struct value_print_options *options) |
694 | { | |
695 | struct gdbarch *gdbarch = get_type_arch (type); | |
696 | ||
4112d2e6 TT |
697 | gdb_assert (!options->format); |
698 | ||
699 | /* FIXME, we should consider, at least for ANSI C language, | |
700 | eliminating the distinction made between FUNCs and POINTERs to | |
701 | FUNCs. */ | |
702 | fprintf_filtered (stream, "{"); | |
703 | type_print (type, "", stream, -1); | |
704 | fprintf_filtered (stream, "} "); | |
705 | /* Try to print what function it points to, and its address. */ | |
706 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
4a8c372f SM |
707 | } |
708 | ||
6dde7521 TT |
709 | /* generic_value_print helper for TYPE_CODE_BOOL. */ |
710 | ||
711 | static void | |
712 | generic_value_print_bool | |
713 | (struct value *value, struct ui_file *stream, | |
714 | const struct value_print_options *options, | |
715 | const struct generic_val_print_decorations *decorations) | |
716 | { | |
717 | if (options->format || options->output_format) | |
718 | { | |
719 | struct value_print_options opts = *options; | |
720 | opts.format = (options->format ? options->format | |
721 | : options->output_format); | |
722 | value_print_scalar_formatted (value, &opts, 0, stream); | |
723 | } | |
724 | else | |
725 | { | |
726 | const gdb_byte *valaddr = value_contents_for_printing (value); | |
727 | struct type *type = check_typedef (value_type (value)); | |
728 | LONGEST val = unpack_long (type, valaddr); | |
729 | if (val == 0) | |
730 | fputs_filtered (decorations->false_name, stream); | |
731 | else if (val == 1) | |
732 | fputs_filtered (decorations->true_name, stream); | |
733 | else | |
734 | print_longest (stream, 'd', 0, val); | |
735 | } | |
736 | } | |
737 | ||
fdddfccb TT |
738 | /* generic_value_print helper for TYPE_CODE_INT. */ |
739 | ||
740 | static void | |
741 | generic_value_print_int (struct value *val, struct ui_file *stream, | |
742 | const struct value_print_options *options) | |
743 | { | |
744 | struct value_print_options opts = *options; | |
745 | ||
746 | opts.format = (options->format ? options->format | |
747 | : options->output_format); | |
748 | value_print_scalar_formatted (val, &opts, 0, stream); | |
749 | } | |
750 | ||
3eec3b05 TT |
751 | /* generic_value_print helper for TYPE_CODE_CHAR. */ |
752 | ||
753 | static void | |
754 | generic_value_print_char (struct value *value, struct ui_file *stream, | |
755 | const struct value_print_options *options) | |
756 | { | |
757 | if (options->format || options->output_format) | |
758 | { | |
759 | struct value_print_options opts = *options; | |
760 | ||
761 | opts.format = (options->format ? options->format | |
762 | : options->output_format); | |
763 | value_print_scalar_formatted (value, &opts, 0, stream); | |
764 | } | |
765 | else | |
766 | { | |
767 | struct type *unresolved_type = value_type (value); | |
768 | struct type *type = check_typedef (unresolved_type); | |
769 | const gdb_byte *valaddr = value_contents_for_printing (value); | |
770 | ||
771 | LONGEST val = unpack_long (type, valaddr); | |
c6d940a9 | 772 | if (type->is_unsigned ()) |
3eec3b05 TT |
773 | fprintf_filtered (stream, "%u", (unsigned int) val); |
774 | else | |
775 | fprintf_filtered (stream, "%d", (int) val); | |
776 | fputs_filtered (" ", stream); | |
777 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
778 | } | |
779 | } | |
780 | ||
fdf0cbc2 | 781 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
782 | |
783 | static void | |
82836c92 | 784 | generic_val_print_float (struct type *type, struct ui_file *stream, |
e8b24d9f | 785 | struct value *original_value, |
7784724b SM |
786 | const struct value_print_options *options) |
787 | { | |
f5354008 | 788 | gdb_assert (!options->format); |
e8b24d9f | 789 | |
f5354008 TT |
790 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
791 | ||
82836c92 | 792 | print_floating (valaddr, type, stream); |
7784724b SM |
793 | } |
794 | ||
4f412b6e TT |
795 | /* generic_value_print helper for TYPE_CODE_COMPLEX. */ |
796 | ||
797 | static void | |
798 | generic_value_print_complex (struct value *val, struct ui_file *stream, | |
799 | const struct value_print_options *options, | |
800 | const struct generic_val_print_decorations | |
801 | *decorations) | |
802 | { | |
803 | fprintf_filtered (stream, "%s", decorations->complex_prefix); | |
804 | ||
4c99290d | 805 | struct value *real_part = value_real_part (val); |
4f412b6e TT |
806 | value_print_scalar_formatted (real_part, options, 0, stream); |
807 | fprintf_filtered (stream, "%s", decorations->complex_infix); | |
808 | ||
4c99290d | 809 | struct value *imag_part = value_imaginary_part (val); |
4f412b6e TT |
810 | value_print_scalar_formatted (imag_part, options, 0, stream); |
811 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
812 | } | |
813 | ||
156bfec9 TT |
814 | /* See valprint.h. */ |
815 | ||
816 | void | |
817 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
818 | const struct value_print_options *options, | |
819 | const struct generic_val_print_decorations *decorations) | |
820 | { | |
abc66ce9 | 821 | struct type *type = value_type (val); |
abc66ce9 TT |
822 | |
823 | type = check_typedef (type); | |
78134374 | 824 | switch (type->code ()) |
abc66ce9 TT |
825 | { |
826 | case TYPE_CODE_ARRAY: | |
426a9c18 | 827 | generic_val_print_array (val, stream, recurse, options, decorations); |
abc66ce9 TT |
828 | break; |
829 | ||
830 | case TYPE_CODE_MEMBERPTR: | |
2a5b130b | 831 | value_print_scalar_formatted (val, options, 0, stream); |
abc66ce9 TT |
832 | break; |
833 | ||
834 | case TYPE_CODE_PTR: | |
2a5b130b | 835 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
836 | break; |
837 | ||
838 | case TYPE_CODE_REF: | |
839 | case TYPE_CODE_RVALUE_REF: | |
840 | generic_val_print_ref (type, 0, stream, recurse, | |
841 | val, options); | |
842 | break; | |
843 | ||
844 | case TYPE_CODE_ENUM: | |
40f3ce18 TT |
845 | if (options->format) |
846 | value_print_scalar_formatted (val, options, 0, stream); | |
847 | else | |
848 | generic_val_print_enum (type, 0, stream, val, options); | |
abc66ce9 TT |
849 | break; |
850 | ||
851 | case TYPE_CODE_FLAGS: | |
65786af6 TT |
852 | if (options->format) |
853 | value_print_scalar_formatted (val, options, 0, stream); | |
854 | else | |
855 | val_print_type_code_flags (type, val, 0, stream); | |
abc66ce9 TT |
856 | break; |
857 | ||
858 | case TYPE_CODE_FUNC: | |
859 | case TYPE_CODE_METHOD: | |
4112d2e6 TT |
860 | if (options->format) |
861 | value_print_scalar_formatted (val, options, 0, stream); | |
862 | else | |
863 | generic_val_print_func (type, 0, value_address (val), stream, | |
864 | val, options); | |
abc66ce9 TT |
865 | break; |
866 | ||
867 | case TYPE_CODE_BOOL: | |
6dde7521 | 868 | generic_value_print_bool (val, stream, options, decorations); |
abc66ce9 TT |
869 | break; |
870 | ||
871 | case TYPE_CODE_RANGE: | |
872 | /* FIXME: create_static_range_type does not set the unsigned bit in a | |
873 | range type (I think it probably should copy it from the | |
874 | target type), so we won't print values which are too large to | |
875 | fit in a signed integer correctly. */ | |
876 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
877 | print with the target type, though, because the size of our | |
878 | type and the target type might differ). */ | |
879 | ||
880 | /* FALLTHROUGH */ | |
881 | ||
882 | case TYPE_CODE_INT: | |
fdddfccb | 883 | generic_value_print_int (val, stream, options); |
abc66ce9 TT |
884 | break; |
885 | ||
886 | case TYPE_CODE_CHAR: | |
3eec3b05 | 887 | generic_value_print_char (val, stream, options); |
abc66ce9 TT |
888 | break; |
889 | ||
890 | case TYPE_CODE_FLT: | |
891 | case TYPE_CODE_DECFLOAT: | |
f5354008 TT |
892 | if (options->format) |
893 | value_print_scalar_formatted (val, options, 0, stream); | |
894 | else | |
82836c92 | 895 | generic_val_print_float (type, stream, val, options); |
abc66ce9 TT |
896 | break; |
897 | ||
898 | case TYPE_CODE_VOID: | |
899 | fputs_filtered (decorations->void_name, stream); | |
900 | break; | |
901 | ||
902 | case TYPE_CODE_ERROR: | |
903 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
904 | break; | |
905 | ||
906 | case TYPE_CODE_UNDEF: | |
907 | /* This happens (without TYPE_STUB set) on systems which don't use | |
908 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
909 | and no complete type for struct foo in that file. */ | |
910 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); | |
911 | break; | |
912 | ||
913 | case TYPE_CODE_COMPLEX: | |
4f412b6e | 914 | generic_value_print_complex (val, stream, options, decorations); |
abc66ce9 TT |
915 | break; |
916 | ||
917 | case TYPE_CODE_UNION: | |
918 | case TYPE_CODE_STRUCT: | |
919 | case TYPE_CODE_METHODPTR: | |
920 | default: | |
921 | error (_("Unhandled type code %d in symbol table."), | |
78134374 | 922 | type->code ()); |
abc66ce9 | 923 | } |
156bfec9 TT |
924 | } |
925 | ||
b0c26e99 TT |
926 | /* Helper function for val_print and common_val_print that does the |
927 | work. Arguments are as to val_print, but FULL_VALUE, if given, is | |
928 | the value to be printed. */ | |
32b72a42 | 929 | |
b0c26e99 | 930 | static void |
426a9c18 | 931 | do_val_print (struct value *value, struct ui_file *stream, int recurse, |
b0c26e99 TT |
932 | const struct value_print_options *options, |
933 | const struct language_defn *language) | |
c906108c | 934 | { |
19ca80ba | 935 | int ret = 0; |
79a45b7d | 936 | struct value_print_options local_opts = *options; |
426a9c18 | 937 | struct type *type = value_type (value); |
c906108c | 938 | struct type *real_type = check_typedef (type); |
79a45b7d | 939 | |
2a998fc0 DE |
940 | if (local_opts.prettyformat == Val_prettyformat_default) |
941 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
942 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 943 | |
c906108c SS |
944 | QUIT; |
945 | ||
946 | /* Ensure that the type is complete and not just a stub. If the type is | |
947 | only a stub and we can't find and substitute its complete type, then | |
948 | print appropriate string and return. */ | |
949 | ||
74a9bb82 | 950 | if (TYPE_STUB (real_type)) |
c906108c | 951 | { |
7f6aba03 | 952 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 953 | return; |
c906108c | 954 | } |
c5aa993b | 955 | |
426a9c18 | 956 | if (!valprint_check_validity (stream, real_type, 0, value)) |
35c0084b | 957 | return; |
0e03807e | 958 | |
a6bac58e TT |
959 | if (!options->raw) |
960 | { | |
426a9c18 | 961 | ret = apply_ext_lang_val_pretty_printer (value, stream, recurse, options, |
42331a1e | 962 | language); |
a6bac58e | 963 | if (ret) |
35c0084b | 964 | return; |
a6bac58e TT |
965 | } |
966 | ||
967 | /* Handle summary mode. If the value is a scalar, print it; | |
968 | otherwise, print an ellipsis. */ | |
6211c335 | 969 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
970 | { |
971 | fprintf_filtered (stream, "..."); | |
35c0084b | 972 | return; |
a6bac58e TT |
973 | } |
974 | ||
2e62ab40 AB |
975 | /* If this value is too deep then don't print it. */ |
976 | if (!val_print_scalar_or_string_type_p (type, language) | |
977 | && val_print_check_max_depth (stream, recurse, options, language)) | |
978 | return; | |
979 | ||
a70b8144 | 980 | try |
19ca80ba | 981 | { |
ebe2334e | 982 | language->value_print_inner (value, stream, recurse, &local_opts); |
19ca80ba | 983 | } |
230d2906 | 984 | catch (const gdb_exception_error &except) |
492d29ea | 985 | { |
7f6aba03 TT |
986 | fprintf_styled (stream, metadata_style.style (), |
987 | _("<error reading variable>")); | |
492d29ea | 988 | } |
c906108c SS |
989 | } |
990 | ||
2e62ab40 AB |
991 | /* See valprint.h. */ |
992 | ||
993 | bool | |
994 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
995 | const struct value_print_options *options, | |
996 | const struct language_defn *language) | |
997 | { | |
998 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
999 | { | |
1000 | gdb_assert (language->la_struct_too_deep_ellipsis != NULL); | |
1001 | fputs_filtered (language->la_struct_too_deep_ellipsis, stream); | |
1002 | return true; | |
1003 | } | |
1004 | ||
1005 | return false; | |
1006 | } | |
1007 | ||
806048c6 | 1008 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1009 | return 0 and print an appropriate error message to STREAM according to |
1010 | OPTIONS if it is not. */ | |
c906108c | 1011 | |
806048c6 | 1012 | static int |
6501578c YQ |
1013 | value_check_printable (struct value *val, struct ui_file *stream, |
1014 | const struct value_print_options *options) | |
c906108c SS |
1015 | { |
1016 | if (val == 0) | |
1017 | { | |
7f6aba03 TT |
1018 | fprintf_styled (stream, metadata_style.style (), |
1019 | _("<address of value unknown>")); | |
c906108c SS |
1020 | return 0; |
1021 | } | |
806048c6 | 1022 | |
0e03807e | 1023 | if (value_entirely_optimized_out (val)) |
c906108c | 1024 | { |
6211c335 | 1025 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1026 | fprintf_filtered (stream, "..."); |
1027 | else | |
901461f8 | 1028 | val_print_optimized_out (val, stream); |
c906108c SS |
1029 | return 0; |
1030 | } | |
806048c6 | 1031 | |
eebc056c AB |
1032 | if (value_entirely_unavailable (val)) |
1033 | { | |
1034 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1035 | fprintf_filtered (stream, "..."); | |
1036 | else | |
1037 | val_print_unavailable (stream); | |
1038 | return 0; | |
1039 | } | |
1040 | ||
78134374 | 1041 | if (value_type (val)->code () == TYPE_CODE_INTERNAL_FUNCTION) |
bc3b79fd | 1042 | { |
7f6aba03 TT |
1043 | fprintf_styled (stream, metadata_style.style (), |
1044 | _("<internal function %s>"), | |
1045 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1046 | return 0; |
1047 | } | |
1048 | ||
3f2f83dd KB |
1049 | if (type_not_associated (value_type (val))) |
1050 | { | |
1051 | val_print_not_associated (stream); | |
1052 | return 0; | |
1053 | } | |
1054 | ||
1055 | if (type_not_allocated (value_type (val))) | |
1056 | { | |
1057 | val_print_not_allocated (stream); | |
1058 | return 0; | |
1059 | } | |
1060 | ||
806048c6 DJ |
1061 | return 1; |
1062 | } | |
1063 | ||
d8ca156b | 1064 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1065 | to OPTIONS. |
806048c6 | 1066 | |
806048c6 DJ |
1067 | This is a preferable interface to val_print, above, because it uses |
1068 | GDB's value mechanism. */ | |
1069 | ||
a1f5dd1b | 1070 | void |
79a45b7d TT |
1071 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1072 | const struct value_print_options *options, | |
d8ca156b | 1073 | const struct language_defn *language) |
806048c6 | 1074 | { |
0c3acc09 JB |
1075 | if (language->la_language == language_ada) |
1076 | /* The value might have a dynamic type, which would cause trouble | |
1077 | below when trying to extract the value contents (since the value | |
1078 | size is determined from the type size which is unknown). So | |
1079 | get a fixed representation of our value. */ | |
1080 | val = ada_to_fixed_value (val); | |
1081 | ||
7d45f3df YQ |
1082 | if (value_lazy (val)) |
1083 | value_fetch_lazy (val); | |
1084 | ||
426a9c18 | 1085 | do_val_print (val, stream, recurse, options, language); |
806048c6 DJ |
1086 | } |
1087 | ||
c2a44efe TT |
1088 | /* See valprint.h. */ |
1089 | ||
1090 | void | |
1091 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1092 | int recurse, | |
1093 | const struct value_print_options *options, | |
1094 | const struct language_defn *language) | |
1095 | { | |
1096 | if (!value_check_printable (val, stream, options)) | |
1097 | return; | |
1098 | common_val_print (val, stream, recurse, options, language); | |
1099 | } | |
1100 | ||
7348c5e1 | 1101 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1102 | is printed using the current_language syntax. */ |
7348c5e1 | 1103 | |
8e069a98 | 1104 | void |
79a45b7d TT |
1105 | value_print (struct value *val, struct ui_file *stream, |
1106 | const struct value_print_options *options) | |
806048c6 | 1107 | { |
ce3acbe9 TT |
1108 | scoped_value_mark free_values; |
1109 | ||
6501578c | 1110 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1111 | return; |
806048c6 | 1112 | |
a6bac58e TT |
1113 | if (!options->raw) |
1114 | { | |
6dddc817 | 1115 | int r |
42331a1e TT |
1116 | = apply_ext_lang_val_pretty_printer (val, stream, 0, options, |
1117 | current_language); | |
a109c7c1 | 1118 | |
a6bac58e | 1119 | if (r) |
8e069a98 | 1120 | return; |
a6bac58e TT |
1121 | } |
1122 | ||
8e069a98 | 1123 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1124 | } |
1125 | ||
81516450 | 1126 | static void |
65786af6 TT |
1127 | val_print_type_code_flags (struct type *type, struct value *original_value, |
1128 | int embedded_offset, struct ui_file *stream) | |
4f2aea11 | 1129 | { |
65786af6 TT |
1130 | const gdb_byte *valaddr = (value_contents_for_printing (original_value) |
1131 | + embedded_offset); | |
befae759 | 1132 | ULONGEST val = unpack_long (type, valaddr); |
1f704f76 | 1133 | int field, nfields = type->num_fields (); |
81516450 DE |
1134 | struct gdbarch *gdbarch = get_type_arch (type); |
1135 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; | |
4f2aea11 | 1136 | |
81516450 DE |
1137 | fputs_filtered ("[", stream); |
1138 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1139 | { |
81516450 | 1140 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1141 | { |
940da03e | 1142 | struct type *field_type = type->field (field).type (); |
81516450 DE |
1143 | |
1144 | if (field_type == bool_type | |
1145 | /* We require boolean types here to be one bit wide. This is a | |
1146 | problematic place to notify the user of an internal error | |
1147 | though. Instead just fall through and print the field as an | |
1148 | int. */ | |
1149 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1150 | { | |
1151 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
3f0cbb04 TT |
1152 | fprintf_filtered |
1153 | (stream, " %ps", | |
1154 | styled_string (variable_name_style.style (), | |
1155 | TYPE_FIELD_NAME (type, field))); | |
81516450 | 1156 | } |
4f2aea11 | 1157 | else |
81516450 DE |
1158 | { |
1159 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1160 | ULONGEST field_val | |
1161 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1162 | ||
1163 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1164 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
3f0cbb04 TT |
1165 | fprintf_filtered (stream, " %ps=", |
1166 | styled_string (variable_name_style.style (), | |
1167 | TYPE_FIELD_NAME (type, field))); | |
78134374 | 1168 | if (field_type->code () == TYPE_CODE_ENUM) |
81516450 DE |
1169 | generic_val_print_enum_1 (field_type, field_val, stream); |
1170 | else | |
1171 | print_longest (stream, 'd', 0, field_val); | |
1172 | } | |
4f2aea11 MK |
1173 | } |
1174 | } | |
81516450 | 1175 | fputs_filtered (" ]", stream); |
19c37f24 | 1176 | } |
ab2188aa | 1177 | |
4f9ae810 TT |
1178 | /* See valprint.h. */ |
1179 | ||
1180 | void | |
1181 | value_print_scalar_formatted (struct value *val, | |
1182 | const struct value_print_options *options, | |
1183 | int size, | |
1184 | struct ui_file *stream) | |
1185 | { | |
1186 | struct type *type = check_typedef (value_type (val)); | |
1187 | ||
1188 | gdb_assert (val != NULL); | |
1189 | ||
1190 | /* If we get here with a string format, try again without it. Go | |
1191 | all the way back to the language printers, which may call us | |
1192 | again. */ | |
1193 | if (options->format == 's') | |
1194 | { | |
1195 | struct value_print_options opts = *options; | |
1196 | opts.format = 0; | |
1197 | opts.deref_ref = 0; | |
1198 | common_val_print (val, stream, 0, &opts, current_language); | |
1199 | return; | |
1200 | } | |
1201 | ||
1202 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1203 | needed to check whether VAL is optimized-out or unavailable | |
1204 | below. */ | |
1205 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1206 | ||
1207 | /* A scalar object that does not have all bits available can't be | |
1208 | printed, because all bits contribute to its representation. */ | |
1209 | if (value_bits_any_optimized_out (val, 0, | |
1210 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
1211 | val_print_optimized_out (val, stream); | |
1212 | else if (!value_bytes_available (val, 0, TYPE_LENGTH (type))) | |
1213 | val_print_unavailable (stream); | |
1214 | else | |
1215 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1216 | } | |
1217 | ||
c906108c SS |
1218 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1219 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1220 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1221 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1222 | format. |
bb599908 PH |
1223 | |
1224 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1225 | 'o' and 'x' format do not include the standard C radix prefix | |
1226 | (leading 0 or 0x). | |
1227 | ||
1228 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1229 | and was intended to request formatting according to the current |
bb599908 PH |
1230 | language and would be used for most integers that GDB prints. The |
1231 | exceptional cases were things like protocols where the format of | |
1232 | the integer is a protocol thing, not a user-visible thing). The | |
1233 | parameter remains to preserve the information of what things might | |
1234 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1235 | that capability. */ |
c906108c SS |
1236 | |
1237 | void | |
bb599908 | 1238 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1239 | LONGEST val_long) |
c906108c | 1240 | { |
2bfb72ee AC |
1241 | const char *val; |
1242 | ||
c906108c SS |
1243 | switch (format) |
1244 | { | |
1245 | case 'd': | |
bb599908 | 1246 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1247 | case 'u': |
bb599908 | 1248 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1249 | case 'x': |
bb599908 | 1250 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1251 | case 'b': |
bb599908 | 1252 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1253 | case 'h': |
bb599908 | 1254 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1255 | case 'w': |
bb599908 | 1256 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1257 | case 'g': |
bb599908 | 1258 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1259 | break; |
1260 | case 'o': | |
bb599908 | 1261 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1262 | default: |
3e43a32a MS |
1263 | internal_error (__FILE__, __LINE__, |
1264 | _("failed internal consistency check")); | |
bb599908 | 1265 | } |
2bfb72ee | 1266 | fputs_filtered (val, stream); |
c906108c SS |
1267 | } |
1268 | ||
c906108c SS |
1269 | /* This used to be a macro, but I don't think it is called often enough |
1270 | to merit such treatment. */ | |
1271 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1272 | arguments to a function, number in a value history, register number, etc.) | |
1273 | where the value must not be larger than can fit in an int. */ | |
1274 | ||
1275 | int | |
fba45db2 | 1276 | longest_to_int (LONGEST arg) |
c906108c | 1277 | { |
581e13c1 | 1278 | /* Let the compiler do the work. */ |
c906108c SS |
1279 | int rtnval = (int) arg; |
1280 | ||
581e13c1 | 1281 | /* Check for overflows or underflows. */ |
c906108c SS |
1282 | if (sizeof (LONGEST) > sizeof (int)) |
1283 | { | |
1284 | if (rtnval != arg) | |
1285 | { | |
8a3fe4f8 | 1286 | error (_("Value out of range.")); |
c906108c SS |
1287 | } |
1288 | } | |
1289 | return (rtnval); | |
1290 | } | |
1291 | ||
fdf0cbc2 UW |
1292 | /* Print a floating point value of floating-point type TYPE, |
1293 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1294 | |
1295 | void | |
fc1a4b47 | 1296 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1297 | struct ui_file *stream) |
c906108c | 1298 | { |
f69fdf9b | 1299 | std::string str = target_float_to_string (valaddr, type); |
3b4b2f16 | 1300 | fputs_filtered (str.c_str (), stream); |
7678ef8f TJB |
1301 | } |
1302 | ||
c5aa993b | 1303 | void |
fc1a4b47 | 1304 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1305 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1306 | { |
fc1a4b47 | 1307 | const gdb_byte *p; |
745b8ca0 | 1308 | unsigned int i; |
c5aa993b | 1309 | int b; |
30a25466 | 1310 | bool seen_a_one = false; |
c906108c SS |
1311 | |
1312 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1313 | This ensures that right shift will shift in zeros. */ |
1314 | ||
c5aa993b | 1315 | const int mask = 0x080; |
c906108c | 1316 | |
d44e8473 | 1317 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1318 | { |
1319 | for (p = valaddr; | |
1320 | p < valaddr + len; | |
1321 | p++) | |
1322 | { | |
c5aa993b | 1323 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1324 | and print from the MSB end. */ |
1325 | ||
d3abe1c8 | 1326 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1327 | { |
1328 | if (*p & (mask >> i)) | |
30a25466 | 1329 | b = '1'; |
c5aa993b | 1330 | else |
30a25466 | 1331 | b = '0'; |
c5aa993b | 1332 | |
30a25466 TT |
1333 | if (zero_pad || seen_a_one || b == '1') |
1334 | fputc_filtered (b, stream); | |
1335 | if (b == '1') | |
1336 | seen_a_one = true; | |
c5aa993b | 1337 | } |
c906108c SS |
1338 | } |
1339 | } | |
1340 | else | |
1341 | { | |
1342 | for (p = valaddr + len - 1; | |
1343 | p >= valaddr; | |
1344 | p--) | |
1345 | { | |
d3abe1c8 | 1346 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1347 | { |
1348 | if (*p & (mask >> i)) | |
30a25466 | 1349 | b = '1'; |
c5aa993b | 1350 | else |
30a25466 | 1351 | b = '0'; |
c5aa993b | 1352 | |
30a25466 TT |
1353 | if (zero_pad || seen_a_one || b == '1') |
1354 | fputc_filtered (b, stream); | |
1355 | if (b == '1') | |
1356 | seen_a_one = true; | |
c5aa993b | 1357 | } |
c906108c SS |
1358 | } |
1359 | } | |
30a25466 TT |
1360 | |
1361 | /* When not zero-padding, ensure that something is printed when the | |
1362 | input is 0. */ | |
1363 | if (!zero_pad && !seen_a_one) | |
1364 | fputc_filtered ('0', stream); | |
1365 | } | |
1366 | ||
1367 | /* A helper for print_octal_chars that emits a single octal digit, | |
1368 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1369 | ||
1370 | static void | |
1371 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1372 | { | |
1373 | if (*seen_a_one || digit != 0) | |
1374 | fprintf_filtered (stream, "%o", digit); | |
1375 | if (digit != 0) | |
1376 | *seen_a_one = true; | |
c906108c SS |
1377 | } |
1378 | ||
1379 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1380 | Print it in octal on stream or format it in buf. */ |
1381 | ||
c906108c | 1382 | void |
fc1a4b47 | 1383 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1384 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1385 | { |
fc1a4b47 | 1386 | const gdb_byte *p; |
c906108c | 1387 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1388 | int cycle; |
1389 | ||
c906108c SS |
1390 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1391 | * the extra bits, which cycle every three bytes: | |
1392 | * | |
1393 | * Byte side: 0 1 2 3 | |
1394 | * | | | | | |
1395 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1396 | * | |
1397 | * Octal side: 0 1 carry 3 4 carry ... | |
1398 | * | |
1399 | * Cycle number: 0 1 2 | |
1400 | * | |
1401 | * But of course we are printing from the high side, so we have to | |
1402 | * figure out where in the cycle we are so that we end up with no | |
1403 | * left over bits at the end. | |
1404 | */ | |
1405 | #define BITS_IN_OCTAL 3 | |
1406 | #define HIGH_ZERO 0340 | |
d6382fff | 1407 | #define LOW_ZERO 0034 |
c906108c | 1408 | #define CARRY_ZERO 0003 |
d6382fff TT |
1409 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1410 | "cycle zero constants are wrong"); | |
c906108c SS |
1411 | #define HIGH_ONE 0200 |
1412 | #define MID_ONE 0160 | |
1413 | #define LOW_ONE 0016 | |
1414 | #define CARRY_ONE 0001 | |
d6382fff TT |
1415 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1416 | "cycle one constants are wrong"); | |
c906108c SS |
1417 | #define HIGH_TWO 0300 |
1418 | #define MID_TWO 0070 | |
1419 | #define LOW_TWO 0007 | |
d6382fff TT |
1420 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1421 | "cycle two constants are wrong"); | |
c906108c SS |
1422 | |
1423 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1424 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1425 | ||
d3abe1c8 | 1426 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1427 | carry = 0; |
c5aa993b | 1428 | |
bb599908 | 1429 | fputs_filtered ("0", stream); |
30a25466 | 1430 | bool seen_a_one = false; |
d44e8473 | 1431 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1432 | { |
1433 | for (p = valaddr; | |
1434 | p < valaddr + len; | |
1435 | p++) | |
1436 | { | |
c5aa993b JM |
1437 | switch (cycle) |
1438 | { | |
1439 | case 0: | |
581e13c1 MS |
1440 | /* No carry in, carry out two bits. */ |
1441 | ||
c5aa993b JM |
1442 | octa1 = (HIGH_ZERO & *p) >> 5; |
1443 | octa2 = (LOW_ZERO & *p) >> 2; | |
1444 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1445 | emit_octal_digit (stream, &seen_a_one, octa1); |
1446 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1447 | break; |
1448 | ||
1449 | case 1: | |
581e13c1 MS |
1450 | /* Carry in two bits, carry out one bit. */ |
1451 | ||
c5aa993b JM |
1452 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1453 | octa2 = (MID_ONE & *p) >> 4; | |
1454 | octa3 = (LOW_ONE & *p) >> 1; | |
1455 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1456 | emit_octal_digit (stream, &seen_a_one, octa1); |
1457 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1458 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1459 | break; |
1460 | ||
1461 | case 2: | |
581e13c1 MS |
1462 | /* Carry in one bit, no carry out. */ |
1463 | ||
c5aa993b JM |
1464 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1465 | octa2 = (MID_TWO & *p) >> 3; | |
1466 | octa3 = (LOW_TWO & *p); | |
1467 | carry = 0; | |
30a25466 TT |
1468 | emit_octal_digit (stream, &seen_a_one, octa1); |
1469 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1470 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1471 | break; |
1472 | ||
1473 | default: | |
8a3fe4f8 | 1474 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1475 | } |
1476 | ||
1477 | cycle++; | |
1478 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1479 | } |
1480 | } | |
1481 | else | |
1482 | { | |
1483 | for (p = valaddr + len - 1; | |
1484 | p >= valaddr; | |
1485 | p--) | |
1486 | { | |
c5aa993b JM |
1487 | switch (cycle) |
1488 | { | |
1489 | case 0: | |
1490 | /* Carry out, no carry in */ | |
581e13c1 | 1491 | |
c5aa993b JM |
1492 | octa1 = (HIGH_ZERO & *p) >> 5; |
1493 | octa2 = (LOW_ZERO & *p) >> 2; | |
1494 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1495 | emit_octal_digit (stream, &seen_a_one, octa1); |
1496 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1497 | break; |
1498 | ||
1499 | case 1: | |
1500 | /* Carry in, carry out */ | |
581e13c1 | 1501 | |
c5aa993b JM |
1502 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1503 | octa2 = (MID_ONE & *p) >> 4; | |
1504 | octa3 = (LOW_ONE & *p) >> 1; | |
1505 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1506 | emit_octal_digit (stream, &seen_a_one, octa1); |
1507 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1508 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1509 | break; |
1510 | ||
1511 | case 2: | |
1512 | /* Carry in, no carry out */ | |
581e13c1 | 1513 | |
c5aa993b JM |
1514 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1515 | octa2 = (MID_TWO & *p) >> 3; | |
1516 | octa3 = (LOW_TWO & *p); | |
1517 | carry = 0; | |
30a25466 TT |
1518 | emit_octal_digit (stream, &seen_a_one, octa1); |
1519 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1520 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1521 | break; |
1522 | ||
1523 | default: | |
8a3fe4f8 | 1524 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1525 | } |
1526 | ||
1527 | cycle++; | |
1528 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1529 | } |
1530 | } | |
1531 | ||
c906108c SS |
1532 | } |
1533 | ||
4ac0cb1c TT |
1534 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1535 | bytes in the specified byte order. If the integer is negative, | |
1536 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1537 | nothing and return false. */ | |
1538 | ||
1539 | static bool | |
1540 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1541 | enum bfd_endian byte_order, | |
d5722aa2 | 1542 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1543 | { |
1544 | gdb_byte sign_byte; | |
eb77c9df | 1545 | gdb_assert (len > 0); |
4ac0cb1c TT |
1546 | if (byte_order == BFD_ENDIAN_BIG) |
1547 | sign_byte = bytes[0]; | |
1548 | else | |
1549 | sign_byte = bytes[len - 1]; | |
1550 | if ((sign_byte & 0x80) == 0) | |
1551 | return false; | |
1552 | ||
1553 | out_vec->resize (len); | |
1554 | ||
1555 | /* Compute -x == 1 + ~x. */ | |
1556 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1557 | { | |
1558 | unsigned carry = 1; | |
1559 | for (unsigned i = 0; i < len; ++i) | |
1560 | { | |
1561 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1562 | (*out_vec)[i] = tem & 0xff; | |
1563 | carry = tem / 256; | |
1564 | } | |
1565 | } | |
1566 | else | |
1567 | { | |
1568 | unsigned carry = 1; | |
1569 | for (unsigned i = len; i > 0; --i) | |
1570 | { | |
1571 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1572 | (*out_vec)[i - 1] = tem & 0xff; | |
1573 | carry = tem / 256; | |
1574 | } | |
1575 | } | |
1576 | ||
1577 | return true; | |
1578 | } | |
1579 | ||
c906108c | 1580 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1581 | Print it in decimal on stream or format it in buf. */ |
1582 | ||
c906108c | 1583 | void |
fc1a4b47 | 1584 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1585 | unsigned len, bool is_signed, |
1586 | enum bfd_endian byte_order) | |
c906108c SS |
1587 | { |
1588 | #define TEN 10 | |
c5aa993b | 1589 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1590 | #define CARRY_LEFT( x ) ((x) % TEN) |
1591 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1592 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1593 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1594 | ||
fc1a4b47 | 1595 | const gdb_byte *p; |
c5aa993b JM |
1596 | int carry; |
1597 | int decimal_len; | |
1598 | int i, j, decimal_digits; | |
1599 | int dummy; | |
1600 | int flip; | |
1601 | ||
d5722aa2 | 1602 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1603 | if (is_signed |
1604 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1605 | { | |
1606 | fputs_filtered ("-", stream); | |
1607 | valaddr = negated_bytes.data (); | |
1608 | } | |
1609 | ||
c906108c | 1610 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1611 | as the base 16 number, which is 2 digits per byte. */ |
1612 | ||
c906108c | 1613 | decimal_len = len * 2 * 2; |
30a25466 | 1614 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1615 | |
c906108c SS |
1616 | /* Ok, we have an unknown number of bytes of data to be printed in |
1617 | * decimal. | |
1618 | * | |
1619 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1620 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1621 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1622 | * | |
1623 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1624 | * the individual digits are > 10. |
c906108c SS |
1625 | * |
1626 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1627 | * LSD end. | |
1628 | */ | |
c5aa993b | 1629 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1630 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1631 | flip = 0; |
d44e8473 | 1632 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1633 | { |
c906108c SS |
1634 | /* |
1635 | * Multiply current base-ten number by 16 in place. | |
1636 | * Each digit was between 0 and 9, now is between | |
1637 | * 0 and 144. | |
1638 | */ | |
c5aa993b JM |
1639 | for (j = 0; j < decimal_digits; j++) |
1640 | { | |
1641 | digits[j] = SHIFT (digits[j]); | |
1642 | } | |
1643 | ||
c906108c SS |
1644 | /* Take the next nibble off the input and add it to what |
1645 | * we've got in the LSB position. Bottom 'digit' is now | |
1646 | * between 0 and 159. | |
1647 | * | |
1648 | * "flip" is used to run this loop twice for each byte. | |
1649 | */ | |
c5aa993b JM |
1650 | if (flip == 0) |
1651 | { | |
581e13c1 MS |
1652 | /* Take top nibble. */ |
1653 | ||
c5aa993b JM |
1654 | digits[0] += HIGH_NIBBLE (*p); |
1655 | flip = 1; | |
1656 | } | |
1657 | else | |
1658 | { | |
581e13c1 MS |
1659 | /* Take low nibble and bump our pointer "p". */ |
1660 | ||
c5aa993b | 1661 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1662 | if (byte_order == BFD_ENDIAN_BIG) |
1663 | p++; | |
1664 | else | |
1665 | p--; | |
c5aa993b JM |
1666 | flip = 0; |
1667 | } | |
c906108c SS |
1668 | |
1669 | /* Re-decimalize. We have to do this often enough | |
1670 | * that we don't overflow, but once per nibble is | |
1671 | * overkill. Easier this way, though. Note that the | |
1672 | * carry is often larger than 10 (e.g. max initial | |
1673 | * carry out of lowest nibble is 15, could bubble all | |
1674 | * the way up greater than 10). So we have to do | |
1675 | * the carrying beyond the last current digit. | |
1676 | */ | |
1677 | carry = 0; | |
c5aa993b JM |
1678 | for (j = 0; j < decimal_len - 1; j++) |
1679 | { | |
1680 | digits[j] += carry; | |
1681 | ||
1682 | /* "/" won't handle an unsigned char with | |
1683 | * a value that if signed would be negative. | |
1684 | * So extend to longword int via "dummy". | |
1685 | */ | |
1686 | dummy = digits[j]; | |
1687 | carry = CARRY_OUT (dummy); | |
1688 | digits[j] = CARRY_LEFT (dummy); | |
1689 | ||
1690 | if (j >= decimal_digits && carry == 0) | |
1691 | { | |
1692 | /* | |
1693 | * All higher digits are 0 and we | |
1694 | * no longer have a carry. | |
1695 | * | |
1696 | * Note: "j" is 0-based, "decimal_digits" is | |
1697 | * 1-based. | |
1698 | */ | |
1699 | decimal_digits = j + 1; | |
1700 | break; | |
1701 | } | |
1702 | } | |
1703 | } | |
c906108c SS |
1704 | |
1705 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1706 | the "decimal_digits" actual digits. Print! */ |
1707 | ||
30a25466 TT |
1708 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1709 | ; | |
1710 | ||
1711 | for (; i >= 0; i--) | |
c5aa993b JM |
1712 | { |
1713 | fprintf_filtered (stream, "%1d", digits[i]); | |
1714 | } | |
c906108c SS |
1715 | } |
1716 | ||
1717 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1718 | ||
6b9acc27 | 1719 | void |
fc1a4b47 | 1720 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1721 | unsigned len, enum bfd_endian byte_order, |
1722 | bool zero_pad) | |
c906108c | 1723 | { |
fc1a4b47 | 1724 | const gdb_byte *p; |
c906108c | 1725 | |
bb599908 | 1726 | fputs_filtered ("0x", stream); |
d44e8473 | 1727 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1728 | { |
30a25466 TT |
1729 | p = valaddr; |
1730 | ||
1731 | if (!zero_pad) | |
1732 | { | |
1733 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1734 | single byte at the end. */ | |
1735 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1736 | ; | |
1737 | } | |
1738 | ||
1739 | const gdb_byte *first = p; | |
1740 | for (; | |
c906108c SS |
1741 | p < valaddr + len; |
1742 | p++) | |
1743 | { | |
30a25466 TT |
1744 | /* When not zero-padding, use a different format for the |
1745 | very first byte printed. */ | |
1746 | if (!zero_pad && p == first) | |
1747 | fprintf_filtered (stream, "%x", *p); | |
1748 | else | |
1749 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1750 | } |
1751 | } | |
1752 | else | |
1753 | { | |
30a25466 TT |
1754 | p = valaddr + len - 1; |
1755 | ||
1756 | if (!zero_pad) | |
1757 | { | |
1758 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1759 | single byte at the end. */ | |
1760 | for (; p >= valaddr + 1 && !*p; --p) | |
1761 | ; | |
1762 | } | |
1763 | ||
1764 | const gdb_byte *first = p; | |
1765 | for (; | |
c906108c SS |
1766 | p >= valaddr; |
1767 | p--) | |
1768 | { | |
30a25466 TT |
1769 | /* When not zero-padding, use a different format for the |
1770 | very first byte printed. */ | |
1771 | if (!zero_pad && p == first) | |
1772 | fprintf_filtered (stream, "%x", *p); | |
1773 | else | |
1774 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1775 | } |
1776 | } | |
c906108c SS |
1777 | } |
1778 | ||
3e43a32a | 1779 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1780 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1781 | Omit any leading zero chars. */ |
1782 | ||
1783 | void | |
6c7a06a3 TT |
1784 | print_char_chars (struct ui_file *stream, struct type *type, |
1785 | const gdb_byte *valaddr, | |
d44e8473 | 1786 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1787 | { |
fc1a4b47 | 1788 | const gdb_byte *p; |
6b9acc27 | 1789 | |
d44e8473 | 1790 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1791 | { |
1792 | p = valaddr; | |
1793 | while (p < valaddr + len - 1 && *p == 0) | |
1794 | ++p; | |
1795 | ||
1796 | while (p < valaddr + len) | |
1797 | { | |
6c7a06a3 | 1798 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1799 | ++p; |
1800 | } | |
1801 | } | |
1802 | else | |
1803 | { | |
1804 | p = valaddr + len - 1; | |
1805 | while (p > valaddr && *p == 0) | |
1806 | --p; | |
1807 | ||
1808 | while (p >= valaddr) | |
1809 | { | |
6c7a06a3 | 1810 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1811 | --p; |
1812 | } | |
1813 | } | |
1814 | } | |
1815 | ||
132c57b4 TT |
1816 | /* Print function pointer with inferior address ADDRESS onto stdio |
1817 | stream STREAM. */ | |
1818 | ||
1819 | void | |
edf0c1b7 TT |
1820 | print_function_pointer_address (const struct value_print_options *options, |
1821 | struct gdbarch *gdbarch, | |
132c57b4 | 1822 | CORE_ADDR address, |
edf0c1b7 | 1823 | struct ui_file *stream) |
132c57b4 TT |
1824 | { |
1825 | CORE_ADDR func_addr | |
1826 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
8b88a78e | 1827 | current_top_target ()); |
132c57b4 TT |
1828 | |
1829 | /* If the function pointer is represented by a description, print | |
1830 | the address of the description. */ | |
edf0c1b7 | 1831 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1832 | { |
1833 | fputs_filtered ("@", stream); | |
1834 | fputs_filtered (paddress (gdbarch, address), stream); | |
1835 | fputs_filtered (": ", stream); | |
1836 | } | |
edf0c1b7 | 1837 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1838 | } |
1839 | ||
1840 | ||
79a45b7d | 1841 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1842 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1843 | ||
1844 | void | |
1845 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1846 | struct ui_file *stream, |
1847 | const struct value_print_options *options) | |
e79af960 | 1848 | { |
79a45b7d | 1849 | if (!options->print_array_indexes) |
e79af960 JB |
1850 | return; |
1851 | ||
53a47a3e | 1852 | LA_PRINT_ARRAY_INDEX (index_type, index, stream, options); |
79a45b7d | 1853 | } |
e79af960 | 1854 | |
d121c6ce TT |
1855 | /* See valprint.h. */ |
1856 | ||
1857 | void | |
1858 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
1859 | int recurse, | |
1860 | const struct value_print_options *options, | |
1861 | unsigned int i) | |
1862 | { | |
1863 | unsigned int things_printed = 0; | |
1864 | unsigned len; | |
53a47a3e | 1865 | struct type *elttype, *index_type; |
d121c6ce TT |
1866 | unsigned eltlen; |
1867 | /* Position of the array element we are examining to see | |
1868 | whether it is repeated. */ | |
1869 | unsigned int rep1; | |
1870 | /* Number of repetitions we have detected so far. */ | |
1871 | unsigned int reps; | |
1872 | LONGEST low_bound, high_bound; | |
d121c6ce TT |
1873 | |
1874 | struct type *type = check_typedef (value_type (val)); | |
1875 | ||
1876 | elttype = TYPE_TARGET_TYPE (type); | |
1877 | eltlen = type_length_units (check_typedef (elttype)); | |
3d967001 | 1878 | index_type = type->index_type (); |
53a47a3e TT |
1879 | if (index_type->code () == TYPE_CODE_RANGE) |
1880 | index_type = TYPE_TARGET_TYPE (index_type); | |
d121c6ce TT |
1881 | |
1882 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
1883 | { | |
53a47a3e TT |
1884 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + |
1885 | 1. But we have to be a little extra careful, because some | |
1886 | languages such as Ada allow LOW_BOUND to be greater than | |
1887 | HIGH_BOUND for empty arrays. In that situation, the array | |
1888 | length is just zero, not negative! */ | |
1889 | if (low_bound > high_bound) | |
d121c6ce TT |
1890 | len = 0; |
1891 | else | |
53a47a3e | 1892 | len = high_bound - low_bound + 1; |
d121c6ce TT |
1893 | } |
1894 | else | |
1895 | { | |
1896 | warning (_("unable to get bounds of array, assuming null array")); | |
1897 | low_bound = 0; | |
1898 | len = 0; | |
1899 | } | |
1900 | ||
1901 | annotate_array_section_begin (i, elttype); | |
1902 | ||
1903 | for (; i < len && things_printed < options->print_max; i++) | |
1904 | { | |
1905 | scoped_value_mark free_values; | |
1906 | ||
1907 | if (i != 0) | |
1908 | { | |
1909 | if (options->prettyformat_arrays) | |
1910 | { | |
1911 | fprintf_filtered (stream, ",\n"); | |
1912 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1913 | } | |
1914 | else | |
1915 | fprintf_filtered (stream, ", "); | |
1916 | } | |
d642b692 HD |
1917 | else if (options->prettyformat_arrays) |
1918 | { | |
1919 | fprintf_filtered (stream, "\n"); | |
1920 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1921 | } | |
d121c6ce TT |
1922 | wrap_here (n_spaces (2 + 2 * recurse)); |
1923 | maybe_print_array_index (index_type, i + low_bound, | |
1924 | stream, options); | |
1925 | ||
1926 | rep1 = i + 1; | |
1927 | reps = 1; | |
1928 | /* Only check for reps if repeat_count_threshold is not set to | |
1929 | UINT_MAX (unlimited). */ | |
1930 | if (options->repeat_count_threshold < UINT_MAX) | |
1931 | { | |
1932 | while (rep1 < len | |
1933 | && value_contents_eq (val, i * eltlen, | |
1934 | val, rep1 * eltlen, | |
1935 | eltlen)) | |
1936 | { | |
1937 | ++reps; | |
1938 | ++rep1; | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | struct value *element = value_from_component (val, elttype, eltlen * i); | |
1943 | common_val_print (element, stream, recurse + 1, options, | |
1944 | current_language); | |
1945 | ||
1946 | if (reps > options->repeat_count_threshold) | |
1947 | { | |
1948 | annotate_elt_rep (reps); | |
1949 | fprintf_filtered (stream, " %p[<repeats %u times>%p]", | |
1950 | metadata_style.style ().ptr (), reps, nullptr); | |
1951 | annotate_elt_rep_end (); | |
1952 | ||
1953 | i = rep1 - 1; | |
1954 | things_printed += options->repeat_count_threshold; | |
1955 | } | |
1956 | else | |
1957 | { | |
1958 | annotate_elt (); | |
1959 | things_printed++; | |
1960 | } | |
1961 | } | |
1962 | annotate_array_section_end (); | |
1963 | if (i < len) | |
1964 | fprintf_filtered (stream, "..."); | |
d642b692 HD |
1965 | if (options->prettyformat_arrays) |
1966 | { | |
1967 | fprintf_filtered (stream, "\n"); | |
1968 | print_spaces_filtered (2 * recurse, stream); | |
1969 | } | |
d121c6ce TT |
1970 | } |
1971 | ||
917317f4 JM |
1972 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1973 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 1974 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 1975 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
1976 | |
1977 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1978 | function be eliminated. */ | |
1979 | ||
1980 | static int | |
3e43a32a | 1981 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 1982 | int len, int *errptr) |
917317f4 | 1983 | { |
581e13c1 MS |
1984 | int nread; /* Number of bytes actually read. */ |
1985 | int errcode; /* Error from last read. */ | |
917317f4 | 1986 | |
581e13c1 | 1987 | /* First try a complete read. */ |
917317f4 JM |
1988 | errcode = target_read_memory (memaddr, myaddr, len); |
1989 | if (errcode == 0) | |
1990 | { | |
581e13c1 | 1991 | /* Got it all. */ |
917317f4 JM |
1992 | nread = len; |
1993 | } | |
1994 | else | |
1995 | { | |
581e13c1 | 1996 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
1997 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
1998 | { | |
1999 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2000 | } | |
581e13c1 | 2001 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2002 | if (errcode != 0) |
2003 | { | |
2004 | nread--; | |
2005 | } | |
2006 | } | |
578d3588 | 2007 | if (errptr != NULL) |
917317f4 | 2008 | { |
578d3588 | 2009 | *errptr = errcode; |
917317f4 JM |
2010 | } |
2011 | return (nread); | |
2012 | } | |
2013 | ||
b4be9fad TT |
2014 | /* Read a string from the inferior, at ADDR, with LEN characters of |
2015 | WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER | |
2016 | will be set to a newly allocated buffer containing the string, and | |
2017 | BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2018 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2019 | |
f380848e SA |
2020 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2021 | (including eventual NULs in the middle or end of the string). | |
2022 | ||
2023 | If LEN is -1, stops at the first null character (not necessarily | |
2024 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2025 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2026 | the string. | |
ae6a3a4c TJB |
2027 | |
2028 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2029 | failure. In this case, some characters might have been read before the | |
670e35fa | 2030 | failure happened. Check BYTES_READ to recognize this situation. */ |
c906108c SS |
2031 | |
2032 | int | |
ae6a3a4c | 2033 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
b4be9fad TT |
2034 | enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer, |
2035 | int *bytes_read) | |
c906108c | 2036 | { |
ae6a3a4c TJB |
2037 | int errcode; /* Errno returned from bad reads. */ |
2038 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2039 | gdb_byte *bufptr; /* Pointer to next available byte in |
2040 | buffer. */ | |
ae6a3a4c | 2041 | |
ae6a3a4c TJB |
2042 | /* Loop until we either have all the characters, or we encounter |
2043 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2044 | |
b4be9fad | 2045 | buffer->reset (nullptr); |
c906108c SS |
2046 | |
2047 | if (len > 0) | |
2048 | { | |
88db67ef YQ |
2049 | /* We want fetchlimit chars, so we might as well read them all in |
2050 | one operation. */ | |
325fac50 | 2051 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e | 2052 | |
b4be9fad TT |
2053 | buffer->reset ((gdb_byte *) xmalloc (fetchlen * width)); |
2054 | bufptr = buffer->get (); | |
c906108c | 2055 | |
f380848e | 2056 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2057 | / width; |
2058 | addr += nfetch * width; | |
2059 | bufptr += nfetch * width; | |
2060 | } | |
2061 | else if (len == -1) | |
2062 | { | |
2063 | unsigned long bufsize = 0; | |
88db67ef YQ |
2064 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2065 | int found_nul; /* Non-zero if we found the nul char. */ | |
2066 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2067 | ||
2068 | found_nul = 0; | |
2069 | /* We are looking for a NUL terminator to end the fetching, so we | |
2070 | might as well read in blocks that are large enough to be efficient, | |
2071 | but not so large as to be slow if fetchlimit happens to be large. | |
2072 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2073 | instead of 8 but 200 is way too big for remote debugging over a | |
2074 | serial line. */ | |
325fac50 | 2075 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2076 | |
c906108c SS |
2077 | do |
2078 | { | |
2079 | QUIT; | |
325fac50 | 2080 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2081 | |
ae6a3a4c | 2082 | if (*buffer == NULL) |
b4be9fad | 2083 | buffer->reset ((gdb_byte *) xmalloc (nfetch * width)); |
c906108c | 2084 | else |
b4be9fad TT |
2085 | buffer->reset ((gdb_byte *) xrealloc (buffer->release (), |
2086 | (nfetch + bufsize) * width)); | |
c906108c | 2087 | |
b4be9fad | 2088 | bufptr = buffer->get () + bufsize * width; |
c906108c SS |
2089 | bufsize += nfetch; |
2090 | ||
ae6a3a4c | 2091 | /* Read as much as we can. */ |
917317f4 | 2092 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2093 | / width; |
c906108c | 2094 | |
ae6a3a4c | 2095 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2096 | to print. If found, we don't need to fetch any more. Note |
2097 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2098 | after the null character, or at the next character after the end |
2099 | of the buffer. */ | |
c906108c SS |
2100 | |
2101 | limit = bufptr + nfetch * width; | |
2102 | while (bufptr < limit) | |
2103 | { | |
2104 | unsigned long c; | |
2105 | ||
e17a4113 | 2106 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2107 | addr += width; |
2108 | bufptr += width; | |
2109 | if (c == 0) | |
2110 | { | |
2111 | /* We don't care about any error which happened after | |
ae6a3a4c | 2112 | the NUL terminator. */ |
c906108c SS |
2113 | errcode = 0; |
2114 | found_nul = 1; | |
2115 | break; | |
2116 | } | |
2117 | } | |
2118 | } | |
c5aa993b | 2119 | while (errcode == 0 /* no error */ |
b4be9fad | 2120 | && bufptr - buffer->get () < fetchlimit * width /* no overrun */ |
ae6a3a4c | 2121 | && !found_nul); /* haven't found NUL yet */ |
c906108c SS |
2122 | } |
2123 | else | |
ae6a3a4c TJB |
2124 | { /* Length of string is really 0! */ |
2125 | /* We always allocate *buffer. */ | |
b4be9fad TT |
2126 | buffer->reset ((gdb_byte *) xmalloc (1)); |
2127 | bufptr = buffer->get (); | |
c906108c SS |
2128 | errcode = 0; |
2129 | } | |
2130 | ||
2131 | /* bufptr and addr now point immediately beyond the last byte which we | |
2132 | consider part of the string (including a '\0' which ends the string). */ | |
b4be9fad | 2133 | *bytes_read = bufptr - buffer->get (); |
ae6a3a4c TJB |
2134 | |
2135 | QUIT; | |
2136 | ||
ae6a3a4c TJB |
2137 | return errcode; |
2138 | } | |
2139 | ||
3b2b8fea TT |
2140 | /* Return true if print_wchar can display W without resorting to a |
2141 | numeric escape, false otherwise. */ | |
2142 | ||
2143 | static int | |
2144 | wchar_printable (gdb_wchar_t w) | |
2145 | { | |
2146 | return (gdb_iswprint (w) | |
2147 | || w == LCST ('\a') || w == LCST ('\b') | |
2148 | || w == LCST ('\f') || w == LCST ('\n') | |
2149 | || w == LCST ('\r') || w == LCST ('\t') | |
2150 | || w == LCST ('\v')); | |
2151 | } | |
2152 | ||
2153 | /* A helper function that converts the contents of STRING to wide | |
2154 | characters and then appends them to OUTPUT. */ | |
2155 | ||
2156 | static void | |
2157 | append_string_as_wide (const char *string, | |
2158 | struct obstack *output) | |
2159 | { | |
2160 | for (; *string; ++string) | |
2161 | { | |
2162 | gdb_wchar_t w = gdb_btowc (*string); | |
2163 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2164 | } | |
2165 | } | |
2166 | ||
2167 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2168 | original (target) bytes representing the character, ORIG_LEN is the | |
2169 | number of valid bytes. WIDTH is the number of bytes in a base | |
2170 | characters of the type. OUTPUT is an obstack to which wide | |
2171 | characters are emitted. QUOTER is a (narrow) character indicating | |
2172 | the style of quotes surrounding the character to be printed. | |
2173 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2174 | escapes across calls. */ | |
2175 | ||
2176 | static void | |
2177 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2178 | int orig_len, int width, | |
2179 | enum bfd_endian byte_order, | |
2180 | struct obstack *output, | |
2181 | int quoter, int *need_escapep) | |
2182 | { | |
2183 | int need_escape = *need_escapep; | |
2184 | ||
2185 | *need_escapep = 0; | |
3b2b8fea | 2186 | |
95c64f92 YQ |
2187 | /* iswprint implementation on Windows returns 1 for tab character. |
2188 | In order to avoid different printout on this host, we explicitly | |
2189 | use wchar_printable function. */ | |
2190 | switch (w) | |
3b2b8fea | 2191 | { |
95c64f92 YQ |
2192 | case LCST ('\a'): |
2193 | obstack_grow_wstr (output, LCST ("\\a")); | |
2194 | break; | |
2195 | case LCST ('\b'): | |
2196 | obstack_grow_wstr (output, LCST ("\\b")); | |
2197 | break; | |
2198 | case LCST ('\f'): | |
2199 | obstack_grow_wstr (output, LCST ("\\f")); | |
2200 | break; | |
2201 | case LCST ('\n'): | |
2202 | obstack_grow_wstr (output, LCST ("\\n")); | |
2203 | break; | |
2204 | case LCST ('\r'): | |
2205 | obstack_grow_wstr (output, LCST ("\\r")); | |
2206 | break; | |
2207 | case LCST ('\t'): | |
2208 | obstack_grow_wstr (output, LCST ("\\t")); | |
2209 | break; | |
2210 | case LCST ('\v'): | |
2211 | obstack_grow_wstr (output, LCST ("\\v")); | |
2212 | break; | |
2213 | default: | |
3b2b8fea | 2214 | { |
95c64f92 YQ |
2215 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2216 | && w != LCST ('8') | |
2217 | && w != LCST ('9')))) | |
2218 | { | |
2219 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2220 | |
95c64f92 YQ |
2221 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2222 | obstack_grow_wstr (output, LCST ("\\")); | |
2223 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2224 | } | |
2225 | else | |
2226 | { | |
2227 | int i; | |
3b2b8fea | 2228 | |
95c64f92 YQ |
2229 | for (i = 0; i + width <= orig_len; i += width) |
2230 | { | |
2231 | char octal[30]; | |
2232 | ULONGEST value; | |
2233 | ||
2234 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2235 | byte_order); |
95c64f92 YQ |
2236 | /* If the value fits in 3 octal digits, print it that |
2237 | way. Otherwise, print it as a hex escape. */ | |
2238 | if (value <= 0777) | |
2239 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2240 | (int) (value & 0777)); | |
2241 | else | |
2242 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2243 | append_string_as_wide (octal, output); | |
2244 | } | |
2245 | /* If we somehow have extra bytes, print them now. */ | |
2246 | while (i < orig_len) | |
2247 | { | |
2248 | char octal[5]; | |
2249 | ||
2250 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2251 | append_string_as_wide (octal, output); | |
2252 | ++i; | |
2253 | } | |
2254 | ||
2255 | *need_escapep = 1; | |
2256 | } | |
3b2b8fea TT |
2257 | break; |
2258 | } | |
2259 | } | |
2260 | } | |
2261 | ||
2262 | /* Print the character C on STREAM as part of the contents of a | |
2263 | literal string whose delimiter is QUOTER. ENCODING names the | |
2264 | encoding of C. */ | |
2265 | ||
2266 | void | |
2267 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2268 | int quoter, const char *encoding) | |
2269 | { | |
2270 | enum bfd_endian byte_order | |
34877895 | 2271 | = type_byte_order (type); |
b926417a | 2272 | gdb_byte *c_buf; |
3b2b8fea TT |
2273 | int need_escape = 0; |
2274 | ||
b926417a TT |
2275 | c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
2276 | pack_long (c_buf, type, c); | |
3b2b8fea | 2277 | |
b926417a | 2278 | wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2279 | |
2280 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2281 | auto_obstack wchar_buf; |
3b2b8fea TT |
2282 | |
2283 | while (1) | |
2284 | { | |
2285 | int num_chars; | |
2286 | gdb_wchar_t *chars; | |
2287 | const gdb_byte *buf; | |
2288 | size_t buflen; | |
2289 | int print_escape = 1; | |
2290 | enum wchar_iterate_result result; | |
2291 | ||
cda6c55b | 2292 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2293 | if (num_chars < 0) |
2294 | break; | |
2295 | if (num_chars > 0) | |
2296 | { | |
2297 | /* If all characters are printable, print them. Otherwise, | |
2298 | we're going to have to print an escape sequence. We | |
2299 | check all characters because we want to print the target | |
2300 | bytes in the escape sequence, and we don't know character | |
2301 | boundaries there. */ | |
2302 | int i; | |
2303 | ||
2304 | print_escape = 0; | |
2305 | for (i = 0; i < num_chars; ++i) | |
2306 | if (!wchar_printable (chars[i])) | |
2307 | { | |
2308 | print_escape = 1; | |
2309 | break; | |
2310 | } | |
2311 | ||
2312 | if (!print_escape) | |
2313 | { | |
2314 | for (i = 0; i < num_chars; ++i) | |
2315 | print_wchar (chars[i], buf, buflen, | |
2316 | TYPE_LENGTH (type), byte_order, | |
2317 | &wchar_buf, quoter, &need_escape); | |
2318 | } | |
2319 | } | |
2320 | ||
2321 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2322 | if (print_escape) | |
2323 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2324 | byte_order, &wchar_buf, quoter, &need_escape); | |
2325 | } | |
2326 | ||
2327 | /* The output in the host encoding. */ | |
8268c778 | 2328 | auto_obstack output; |
3b2b8fea TT |
2329 | |
2330 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2331 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2332 | obstack_object_size (&wchar_buf), |
fff10684 | 2333 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2334 | obstack_1grow (&output, '\0'); |
2335 | ||
79f33898 | 2336 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2337 | } |
2338 | ||
0d63ecda KS |
2339 | /* Return the repeat count of the next character/byte in ITER, |
2340 | storing the result in VEC. */ | |
2341 | ||
2342 | static int | |
cda6c55b | 2343 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2344 | std::vector<converted_character> *vec) |
0d63ecda KS |
2345 | { |
2346 | struct converted_character *current; | |
2347 | ||
b01ba14d | 2348 | if (vec->empty ()) |
0d63ecda KS |
2349 | { |
2350 | struct converted_character tmp; | |
2351 | gdb_wchar_t *chars; | |
2352 | ||
2353 | tmp.num_chars | |
cda6c55b | 2354 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2355 | if (tmp.num_chars > 0) |
2356 | { | |
2357 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2358 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2359 | } | |
b01ba14d | 2360 | vec->push_back (tmp); |
0d63ecda KS |
2361 | } |
2362 | ||
b01ba14d | 2363 | current = &vec->back (); |
0d63ecda KS |
2364 | |
2365 | /* Count repeated characters or bytes. */ | |
2366 | current->repeat_count = 1; | |
2367 | if (current->num_chars == -1) | |
2368 | { | |
2369 | /* EOF */ | |
2370 | return -1; | |
2371 | } | |
2372 | else | |
2373 | { | |
2374 | gdb_wchar_t *chars; | |
2375 | struct converted_character d; | |
2376 | int repeat; | |
2377 | ||
2378 | d.repeat_count = 0; | |
2379 | ||
2380 | while (1) | |
2381 | { | |
2382 | /* Get the next character. */ | |
cda6c55b | 2383 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2384 | |
2385 | /* If a character was successfully converted, save the character | |
2386 | into the converted character. */ | |
2387 | if (d.num_chars > 0) | |
2388 | { | |
2389 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2390 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2391 | } | |
2392 | ||
2393 | /* Determine if the current character is the same as this | |
2394 | new character. */ | |
2395 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2396 | { | |
2397 | /* There are two cases to consider: | |
2398 | ||
2399 | 1) Equality of converted character (num_chars > 0) | |
2400 | 2) Equality of non-converted character (num_chars == 0) */ | |
2401 | if ((current->num_chars > 0 | |
2402 | && memcmp (current->chars, d.chars, | |
2403 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2404 | || (current->num_chars == 0 | |
2405 | && current->buflen == d.buflen | |
2406 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2407 | ++current->repeat_count; | |
2408 | else | |
2409 | break; | |
2410 | } | |
2411 | else | |
2412 | break; | |
2413 | } | |
2414 | ||
2415 | /* Push this next converted character onto the result vector. */ | |
2416 | repeat = current->repeat_count; | |
b01ba14d | 2417 | vec->push_back (d); |
0d63ecda KS |
2418 | return repeat; |
2419 | } | |
2420 | } | |
2421 | ||
2422 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2423 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2424 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2425 | is the user's print options. */ |
2426 | ||
2427 | static void | |
2428 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2429 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2430 | int quote_char, int width, |
2431 | enum bfd_endian byte_order, | |
2432 | const struct value_print_options *options) | |
2433 | { | |
2434 | unsigned int idx; | |
b01ba14d | 2435 | const converted_character *elem; |
0d63ecda KS |
2436 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2437 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2438 | int need_escape = 0; | |
2439 | ||
2440 | /* Set the start state. */ | |
2441 | idx = 0; | |
2442 | last = state = START; | |
2443 | elem = NULL; | |
2444 | ||
2445 | while (1) | |
2446 | { | |
2447 | switch (state) | |
2448 | { | |
2449 | case START: | |
2450 | /* Nothing to do. */ | |
2451 | break; | |
2452 | ||
2453 | case SINGLE: | |
2454 | { | |
2455 | int j; | |
2456 | ||
2457 | /* We are outputting a single character | |
2458 | (< options->repeat_count_threshold). */ | |
2459 | ||
2460 | if (last != SINGLE) | |
2461 | { | |
2462 | /* We were outputting some other type of content, so we | |
2463 | must output and a comma and a quote. */ | |
2464 | if (last != START) | |
2465 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2466 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2467 | } | |
2468 | /* Output the character. */ | |
2469 | for (j = 0; j < elem->repeat_count; ++j) | |
2470 | { | |
2471 | if (elem->result == wchar_iterate_ok) | |
2472 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2473 | byte_order, obstack, quote_char, &need_escape); | |
2474 | else | |
2475 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2476 | byte_order, obstack, quote_char, &need_escape); | |
2477 | } | |
2478 | } | |
2479 | break; | |
2480 | ||
2481 | case REPEAT: | |
2482 | { | |
2483 | int j; | |
0d63ecda KS |
2484 | |
2485 | /* We are outputting a character with a repeat count | |
2486 | greater than options->repeat_count_threshold. */ | |
2487 | ||
2488 | if (last == SINGLE) | |
2489 | { | |
2490 | /* We were outputting a single string. Terminate the | |
2491 | string. */ | |
0d63ecda KS |
2492 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2493 | } | |
2494 | if (last != START) | |
2495 | obstack_grow_wstr (obstack, LCST (", ")); | |
2496 | ||
2497 | /* Output the character and repeat string. */ | |
2498 | obstack_grow_wstr (obstack, LCST ("'")); | |
2499 | if (elem->result == wchar_iterate_ok) | |
2500 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2501 | byte_order, obstack, quote_char, &need_escape); | |
2502 | else | |
2503 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2504 | byte_order, obstack, quote_char, &need_escape); | |
2505 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2506 | std::string s = string_printf (_(" <repeats %u times>"), |
2507 | elem->repeat_count); | |
0d63ecda KS |
2508 | for (j = 0; s[j]; ++j) |
2509 | { | |
2510 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2511 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2512 | } | |
0d63ecda KS |
2513 | } |
2514 | break; | |
2515 | ||
2516 | case INCOMPLETE: | |
2517 | /* We are outputting an incomplete sequence. */ | |
2518 | if (last == SINGLE) | |
2519 | { | |
2520 | /* If we were outputting a string of SINGLE characters, | |
2521 | terminate the quote. */ | |
0d63ecda KS |
2522 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2523 | } | |
2524 | if (last != START) | |
2525 | obstack_grow_wstr (obstack, LCST (", ")); | |
2526 | ||
2527 | /* Output the incomplete sequence string. */ | |
2528 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2529 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2530 | obstack, 0, &need_escape); | |
2531 | obstack_grow_wstr (obstack, LCST (">")); | |
2532 | ||
85102364 | 2533 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
2534 | state = FINISH; |
2535 | break; | |
2536 | ||
2537 | case FINISH: | |
2538 | /* All done. If we were outputting a string of SINGLE | |
2539 | characters, the string must be terminated. Otherwise, | |
2540 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2541 | if (last == SINGLE) | |
e93a8774 | 2542 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2543 | |
2544 | return; | |
2545 | } | |
2546 | ||
2547 | /* Get the next element and state. */ | |
2548 | last = state; | |
2549 | if (state != FINISH) | |
2550 | { | |
b01ba14d | 2551 | elem = &chars[idx++]; |
0d63ecda KS |
2552 | switch (elem->result) |
2553 | { | |
2554 | case wchar_iterate_ok: | |
2555 | case wchar_iterate_invalid: | |
2556 | if (elem->repeat_count > options->repeat_count_threshold) | |
2557 | state = REPEAT; | |
2558 | else | |
2559 | state = SINGLE; | |
2560 | break; | |
2561 | ||
2562 | case wchar_iterate_incomplete: | |
2563 | state = INCOMPLETE; | |
2564 | break; | |
2565 | ||
2566 | case wchar_iterate_eof: | |
2567 | state = FINISH; | |
2568 | break; | |
2569 | } | |
2570 | } | |
2571 | } | |
2572 | } | |
2573 | ||
3b2b8fea TT |
2574 | /* Print the character string STRING, printing at most LENGTH |
2575 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2576 | the type of each character. OPTIONS holds the printing options; | |
2577 | printing stops early if the number hits print_max; repeat counts | |
2578 | are printed as appropriate. Print ellipses at the end if we had to | |
2579 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2580 | QUOTE_CHAR is the character to print at each end of the string. If | |
2581 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2582 | omitted. */ | |
2583 | ||
2584 | void | |
2585 | generic_printstr (struct ui_file *stream, struct type *type, | |
2586 | const gdb_byte *string, unsigned int length, | |
2587 | const char *encoding, int force_ellipses, | |
2588 | int quote_char, int c_style_terminator, | |
2589 | const struct value_print_options *options) | |
2590 | { | |
34877895 | 2591 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 2592 | unsigned int i; |
3b2b8fea | 2593 | int width = TYPE_LENGTH (type); |
3b2b8fea | 2594 | int finished = 0; |
0d63ecda | 2595 | struct converted_character *last; |
3b2b8fea TT |
2596 | |
2597 | if (length == -1) | |
2598 | { | |
2599 | unsigned long current_char = 1; | |
2600 | ||
2601 | for (i = 0; current_char; ++i) | |
2602 | { | |
2603 | QUIT; | |
2604 | current_char = extract_unsigned_integer (string + i * width, | |
2605 | width, byte_order); | |
2606 | } | |
2607 | length = i; | |
2608 | } | |
2609 | ||
2610 | /* If the string was not truncated due to `set print elements', and | |
2611 | the last byte of it is a null, we don't print that, in | |
2612 | traditional C style. */ | |
2613 | if (c_style_terminator | |
2614 | && !force_ellipses | |
2615 | && length > 0 | |
2616 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2617 | width, byte_order) == 0)) | |
2618 | length--; | |
2619 | ||
2620 | if (length == 0) | |
2621 | { | |
2622 | fputs_filtered ("\"\"", stream); | |
2623 | return; | |
2624 | } | |
2625 | ||
2626 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2627 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2628 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2629 | |
0d63ecda KS |
2630 | /* Convert characters until the string is over or the maximum |
2631 | number of printed characters has been reached. */ | |
2632 | i = 0; | |
2633 | while (i < options->print_max) | |
3b2b8fea | 2634 | { |
0d63ecda | 2635 | int r; |
3b2b8fea TT |
2636 | |
2637 | QUIT; | |
2638 | ||
0d63ecda | 2639 | /* Grab the next character and repeat count. */ |
cda6c55b | 2640 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2641 | |
0d63ecda KS |
2642 | /* If less than zero, the end of the input string was reached. */ |
2643 | if (r < 0) | |
2644 | break; | |
3b2b8fea | 2645 | |
0d63ecda KS |
2646 | /* Otherwise, add the count to the total print count and get |
2647 | the next character. */ | |
2648 | i += r; | |
2649 | } | |
3b2b8fea | 2650 | |
0d63ecda KS |
2651 | /* Get the last element and determine if the entire string was |
2652 | processed. */ | |
b01ba14d | 2653 | last = &converted_chars.back (); |
0d63ecda | 2654 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2655 | |
0d63ecda KS |
2656 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2657 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2658 | |
0d63ecda KS |
2659 | /* WCHAR_BUF is the obstack we use to represent the string in |
2660 | wchar_t form. */ | |
8268c778 | 2661 | auto_obstack wchar_buf; |
3b2b8fea | 2662 | |
0d63ecda KS |
2663 | /* Print the output string to the obstack. */ |
2664 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2665 | width, byte_order, options); | |
3b2b8fea TT |
2666 | |
2667 | if (force_ellipses || !finished) | |
2668 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2669 | ||
2670 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2671 | auto_obstack output; |
3b2b8fea TT |
2672 | |
2673 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2674 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2675 | obstack_object_size (&wchar_buf), |
fff10684 | 2676 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2677 | obstack_1grow (&output, '\0'); |
2678 | ||
79f33898 | 2679 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2680 | } |
2681 | ||
ae6a3a4c TJB |
2682 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2683 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2684 | stops at the first null byte, otherwise printing proceeds (including null | |
2685 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2686 | whichever is smaller. ENCODING is the name of the string's |
2687 | encoding. It can be NULL, in which case the target encoding is | |
2688 | assumed. */ | |
ae6a3a4c TJB |
2689 | |
2690 | int | |
09ca9e2e TT |
2691 | val_print_string (struct type *elttype, const char *encoding, |
2692 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2693 | struct ui_file *stream, |
ae6a3a4c TJB |
2694 | const struct value_print_options *options) |
2695 | { | |
2696 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2697 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2698 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2699 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2700 | int bytes_read; | |
b4be9fad | 2701 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
5af949e3 | 2702 | struct gdbarch *gdbarch = get_type_arch (elttype); |
34877895 | 2703 | enum bfd_endian byte_order = type_byte_order (elttype); |
6c7a06a3 | 2704 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2705 | |
2706 | /* First we need to figure out the limit on the number of characters we are | |
2707 | going to attempt to fetch and print. This is actually pretty simple. If | |
2708 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2709 | LEN is -1, then the limit is print_max. This is true regardless of | |
2710 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2711 | because finding the null byte (or available memory) is what actually | |
2712 | limits the fetch. */ | |
2713 | ||
325fac50 PA |
2714 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2715 | options->print_max)); | |
ae6a3a4c | 2716 | |
d09f2c3f PA |
2717 | err = read_string (addr, len, width, fetchlimit, byte_order, |
2718 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2719 | |
2720 | addr += bytes_read; | |
c906108c | 2721 | |
3e43a32a MS |
2722 | /* We now have either successfully filled the buffer to fetchlimit, |
2723 | or terminated early due to an error or finding a null char when | |
2724 | LEN is -1. */ | |
ae6a3a4c TJB |
2725 | |
2726 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2727 | found_nul = 0; |
2728 | if (bytes_read >= width) | |
b4be9fad TT |
2729 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2730 | width, byte_order) == 0; | |
c906108c SS |
2731 | if (len == -1 && !found_nul) |
2732 | { | |
777ea8f1 | 2733 | gdb_byte *peekbuf; |
c906108c | 2734 | |
ae6a3a4c | 2735 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2736 | to peek at the next character. If not successful, or it is not |
2737 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2738 | |
777ea8f1 | 2739 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2740 | |
2741 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2742 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2743 | force_ellipsis = 1; |
2744 | } | |
d09f2c3f | 2745 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2746 | { |
2747 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2748 | than the number of characters actually requested, always make us |
ae6a3a4c | 2749 | print ellipsis. */ |
c906108c SS |
2750 | force_ellipsis = 1; |
2751 | } | |
2752 | ||
c906108c SS |
2753 | /* If we get an error before fetching anything, don't print a string. |
2754 | But if we fetch something and then get an error, print the string | |
2755 | and then the error message. */ | |
d09f2c3f | 2756 | if (err == 0 || bytes_read > 0) |
c906108c | 2757 | { |
b4be9fad | 2758 | LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width, |
3a772aa4 | 2759 | encoding, force_ellipsis, options); |
c906108c SS |
2760 | } |
2761 | ||
d09f2c3f | 2762 | if (err != 0) |
c906108c | 2763 | { |
1ccbe998 | 2764 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 2765 | |
2dbc041e TT |
2766 | fprintf_filtered (stream, _("<error: %ps>"), |
2767 | styled_string (metadata_style.style (), | |
2768 | str.c_str ())); | |
c906108c | 2769 | } |
ae6a3a4c | 2770 | |
ae6a3a4c | 2771 | return (bytes_read / width); |
c906108c | 2772 | } |
2e62ab40 AB |
2773 | |
2774 | /* Handle 'show print max-depth'. */ | |
2775 | ||
2776 | static void | |
2777 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2778 | struct cmd_list_element *c, const char *value) | |
2779 | { | |
2780 | fprintf_filtered (file, _("Maximum print depth is %s.\n"), value); | |
2781 | } | |
c906108c | 2782 | \f |
c5aa993b | 2783 | |
09e6485f PA |
2784 | /* The 'set input-radix' command writes to this auxiliary variable. |
2785 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2786 | it is left unchanged. */ | |
2787 | ||
2788 | static unsigned input_radix_1 = 10; | |
2789 | ||
c906108c SS |
2790 | /* Validate an input or output radix setting, and make sure the user |
2791 | knows what they really did here. Radix setting is confusing, e.g. | |
2792 | setting the input radix to "10" never changes it! */ | |
2793 | ||
c906108c | 2794 | static void |
eb4c3f4a | 2795 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2796 | { |
09e6485f | 2797 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2798 | } |
2799 | ||
c906108c | 2800 | static void |
fba45db2 | 2801 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2802 | { |
2803 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2804 | make any mathematical sense. In theory, we can deal with any input | |
2805 | radix greater than 1, even if we don't have unique digits for every | |
2806 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2807 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2808 | (FIXME). */ |
c906108c SS |
2809 | |
2810 | if (radix < 2) | |
2811 | { | |
09e6485f | 2812 | input_radix_1 = input_radix; |
8a3fe4f8 | 2813 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2814 | radix); |
2815 | } | |
09e6485f | 2816 | input_radix_1 = input_radix = radix; |
c906108c SS |
2817 | if (from_tty) |
2818 | { | |
3e43a32a MS |
2819 | printf_filtered (_("Input radix now set to " |
2820 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2821 | radix, radix, radix); |
2822 | } | |
2823 | } | |
2824 | ||
09e6485f PA |
2825 | /* The 'set output-radix' command writes to this auxiliary variable. |
2826 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2827 | otherwise, it is left unchanged. */ | |
2828 | ||
2829 | static unsigned output_radix_1 = 10; | |
2830 | ||
c906108c | 2831 | static void |
eb4c3f4a | 2832 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2833 | { |
09e6485f | 2834 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2835 | } |
2836 | ||
2837 | static void | |
fba45db2 | 2838 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2839 | { |
2840 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2841 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2842 | switch (radix) |
2843 | { | |
2844 | case 16: | |
79a45b7d | 2845 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2846 | break; |
2847 | case 10: | |
79a45b7d | 2848 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2849 | break; |
2850 | case 8: | |
79a45b7d | 2851 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2852 | break; |
2853 | default: | |
09e6485f | 2854 | output_radix_1 = output_radix; |
3e43a32a MS |
2855 | error (_("Unsupported output radix ``decimal %u''; " |
2856 | "output radix unchanged."), | |
c906108c SS |
2857 | radix); |
2858 | } | |
09e6485f | 2859 | output_radix_1 = output_radix = radix; |
c906108c SS |
2860 | if (from_tty) |
2861 | { | |
3e43a32a MS |
2862 | printf_filtered (_("Output radix now set to " |
2863 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2864 | radix, radix, radix); |
2865 | } | |
2866 | } | |
2867 | ||
2868 | /* Set both the input and output radix at once. Try to set the output radix | |
2869 | first, since it has the most restrictive range. An radix that is valid as | |
2870 | an output radix is also valid as an input radix. | |
2871 | ||
2872 | It may be useful to have an unusual input radix. If the user wishes to | |
2873 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2874 | the 'set input-radix' command. */ |
c906108c SS |
2875 | |
2876 | static void | |
b0a8e6c4 | 2877 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2878 | { |
2879 | unsigned radix; | |
2880 | ||
bb518678 | 2881 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2882 | set_output_radix_1 (0, radix); |
2883 | set_input_radix_1 (0, radix); | |
2884 | if (from_tty) | |
2885 | { | |
3e43a32a MS |
2886 | printf_filtered (_("Input and output radices now set to " |
2887 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2888 | radix, radix, radix); |
2889 | } | |
2890 | } | |
2891 | ||
581e13c1 | 2892 | /* Show both the input and output radices. */ |
c906108c | 2893 | |
c906108c | 2894 | static void |
b0a8e6c4 | 2895 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2896 | { |
2897 | if (from_tty) | |
2898 | { | |
2899 | if (input_radix == output_radix) | |
2900 | { | |
3e43a32a MS |
2901 | printf_filtered (_("Input and output radices set to " |
2902 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2903 | input_radix, input_radix, input_radix); |
2904 | } | |
2905 | else | |
2906 | { | |
3e43a32a MS |
2907 | printf_filtered (_("Input radix set to decimal " |
2908 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2909 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2910 | printf_filtered (_("Output radix set to decimal " |
2911 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2912 | output_radix, output_radix, output_radix); |
2913 | } | |
2914 | } | |
2915 | } | |
c906108c | 2916 | \f |
c5aa993b | 2917 | |
7d8062de PA |
2918 | /* Controls printing of vtbl's. */ |
2919 | static void | |
2920 | show_vtblprint (struct ui_file *file, int from_tty, | |
2921 | struct cmd_list_element *c, const char *value) | |
2922 | { | |
2923 | fprintf_filtered (file, _("\ | |
2924 | Printing of C++ virtual function tables is %s.\n"), | |
2925 | value); | |
2926 | } | |
2927 | ||
2928 | /* Controls looking up an object's derived type using what we find in | |
2929 | its vtables. */ | |
2930 | static void | |
2931 | show_objectprint (struct ui_file *file, int from_tty, | |
2932 | struct cmd_list_element *c, | |
2933 | const char *value) | |
2934 | { | |
2935 | fprintf_filtered (file, _("\ | |
2936 | Printing of object's derived type based on vtable info is %s.\n"), | |
2937 | value); | |
2938 | } | |
2939 | ||
2940 | static void | |
2941 | show_static_field_print (struct ui_file *file, int from_tty, | |
2942 | struct cmd_list_element *c, | |
2943 | const char *value) | |
2944 | { | |
2945 | fprintf_filtered (file, | |
2946 | _("Printing of C++ static members is %s.\n"), | |
2947 | value); | |
2948 | } | |
2949 | ||
c906108c | 2950 | \f |
7d8062de PA |
2951 | |
2952 | /* A couple typedefs to make writing the options a bit more | |
2953 | convenient. */ | |
2954 | using boolean_option_def | |
2955 | = gdb::option::boolean_option_def<value_print_options>; | |
2956 | using uinteger_option_def | |
2957 | = gdb::option::uinteger_option_def<value_print_options>; | |
2958 | using zuinteger_unlimited_option_def | |
2959 | = gdb::option::zuinteger_unlimited_option_def<value_print_options>; | |
2960 | ||
85102364 | 2961 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
2962 | commands. */ |
2963 | static const gdb::option::option_def value_print_option_defs[] = { | |
2964 | ||
2965 | boolean_option_def { | |
2966 | "address", | |
2967 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
2968 | show_addressprint, /* show_cmd_cb */ | |
2969 | N_("Set printing of addresses."), | |
2970 | N_("Show printing of addresses."), | |
2971 | NULL, /* help_doc */ | |
2972 | }, | |
2973 | ||
2974 | boolean_option_def { | |
2975 | "array", | |
2976 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
2977 | show_prettyformat_arrays, /* show_cmd_cb */ | |
2978 | N_("Set pretty formatting of arrays."), | |
2979 | N_("Show pretty formatting of arrays."), | |
2980 | NULL, /* help_doc */ | |
2981 | }, | |
2982 | ||
2983 | boolean_option_def { | |
2984 | "array-indexes", | |
2985 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
2986 | show_print_array_indexes, /* show_cmd_cb */ | |
2987 | N_("Set printing of array indexes."), | |
590042fc | 2988 | N_("Show printing of array indexes."), |
7d8062de PA |
2989 | NULL, /* help_doc */ |
2990 | }, | |
2991 | ||
2992 | uinteger_option_def { | |
2993 | "elements", | |
2994 | [] (value_print_options *opt) { return &opt->print_max; }, | |
2995 | show_print_max, /* show_cmd_cb */ | |
2996 | N_("Set limit on string chars or array elements to print."), | |
2997 | N_("Show limit on string chars or array elements to print."), | |
2998 | N_("\"unlimited\" causes there to be no limit."), | |
2999 | }, | |
3000 | ||
3001 | zuinteger_unlimited_option_def { | |
3002 | "max-depth", | |
3003 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
3004 | show_print_max_depth, /* show_cmd_cb */ | |
3005 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
3006 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
3007 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
3008 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
3009 | Use \"unlimited\" to print the complete structure.") | |
3010 | }, | |
3011 | ||
3012 | boolean_option_def { | |
3013 | "null-stop", | |
3014 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
3015 | show_stop_print_at_null, /* show_cmd_cb */ | |
3016 | N_("Set printing of char arrays to stop at first null char."), | |
3017 | N_("Show printing of char arrays to stop at first null char."), | |
3018 | NULL, /* help_doc */ | |
3019 | }, | |
3020 | ||
3021 | boolean_option_def { | |
3022 | "object", | |
3023 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
3024 | show_objectprint, /* show_cmd_cb */ | |
3025 | _("Set printing of C++ virtual function tables."), | |
3026 | _("Show printing of C++ virtual function tables."), | |
3027 | NULL, /* help_doc */ | |
3028 | }, | |
3029 | ||
3030 | boolean_option_def { | |
3031 | "pretty", | |
3032 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
3033 | show_prettyformat_structs, /* show_cmd_cb */ | |
3034 | N_("Set pretty formatting of structures."), | |
3035 | N_("Show pretty formatting of structures."), | |
3036 | NULL, /* help_doc */ | |
3037 | }, | |
3038 | ||
d8edc8b7 PW |
3039 | boolean_option_def { |
3040 | "raw-values", | |
3041 | [] (value_print_options *opt) { return &opt->raw; }, | |
3042 | NULL, /* show_cmd_cb */ | |
3043 | N_("Set whether to print values in raw form."), | |
3044 | N_("Show whether to print values in raw form."), | |
3045 | N_("If set, values are printed in raw form, bypassing any\n\ | |
3046 | pretty-printers for that value.") | |
3047 | }, | |
3048 | ||
7d8062de PA |
3049 | uinteger_option_def { |
3050 | "repeats", | |
3051 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
3052 | show_repeat_count_threshold, /* show_cmd_cb */ | |
3053 | N_("Set threshold for repeated print elements."), | |
3054 | N_("Show threshold for repeated print elements."), | |
3055 | N_("\"unlimited\" causes all elements to be individually printed."), | |
3056 | }, | |
3057 | ||
3058 | boolean_option_def { | |
3059 | "static-members", | |
3060 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
3061 | show_static_field_print, /* show_cmd_cb */ | |
3062 | N_("Set printing of C++ static members."), | |
3063 | N_("Show printing of C++ static members."), | |
3064 | NULL, /* help_doc */ | |
3065 | }, | |
3066 | ||
3067 | boolean_option_def { | |
3068 | "symbol", | |
3069 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
3070 | show_symbol_print, /* show_cmd_cb */ | |
3071 | N_("Set printing of symbol names when printing pointers."), | |
3072 | N_("Show printing of symbol names when printing pointers."), | |
3073 | NULL, /* help_doc */ | |
3074 | }, | |
3075 | ||
3076 | boolean_option_def { | |
3077 | "union", | |
3078 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
3079 | show_unionprint, /* show_cmd_cb */ | |
3080 | N_("Set printing of unions interior to structures."), | |
3081 | N_("Show printing of unions interior to structures."), | |
3082 | NULL, /* help_doc */ | |
3083 | }, | |
3084 | ||
3085 | boolean_option_def { | |
3086 | "vtbl", | |
3087 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3088 | show_vtblprint, /* show_cmd_cb */ | |
3089 | N_("Set printing of C++ virtual function tables."), | |
3090 | N_("Show printing of C++ virtual function tables."), | |
3091 | NULL, /* help_doc */ | |
3092 | }, | |
3093 | }; | |
3094 | ||
3095 | /* See valprint.h. */ | |
3096 | ||
3097 | gdb::option::option_def_group | |
3098 | make_value_print_options_def_group (value_print_options *opts) | |
3099 | { | |
3100 | return {{value_print_option_defs}, opts}; | |
3101 | } | |
3102 | ||
6c265988 | 3103 | void _initialize_valprint (); |
c906108c | 3104 | void |
6c265988 | 3105 | _initialize_valprint () |
c906108c | 3106 | { |
2daf894e PA |
3107 | cmd_list_element *cmd; |
3108 | ||
0743fc83 TT |
3109 | add_basic_prefix_cmd ("print", no_class, |
3110 | _("Generic command for setting how things print."), | |
3111 | &setprintlist, "set print ", 0, &setlist); | |
c5aa993b | 3112 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3113 | /* Prefer set print to set prompt. */ |
c906108c SS |
3114 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3115 | ||
0743fc83 TT |
3116 | add_show_prefix_cmd ("print", no_class, |
3117 | _("Generic command for showing print settings."), | |
3118 | &showprintlist, "show print ", 0, &showlist); | |
c5aa993b JM |
3119 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3120 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3121 | |
0743fc83 TT |
3122 | cmd = add_basic_prefix_cmd ("raw", no_class, |
3123 | _("\ | |
e7045703 | 3124 | Generic command for setting what things to print in \"raw\" mode."), |
0743fc83 TT |
3125 | &setprintrawlist, "set print raw ", 0, |
3126 | &setprintlist); | |
2daf894e PA |
3127 | deprecate_cmd (cmd, nullptr); |
3128 | ||
0743fc83 TT |
3129 | cmd = add_show_prefix_cmd ("raw", no_class, |
3130 | _("Generic command for showing \"print raw\" settings."), | |
3131 | &showprintrawlist, "show print raw ", 0, | |
3132 | &showprintlist); | |
2daf894e | 3133 | deprecate_cmd (cmd, nullptr); |
e7045703 | 3134 | |
7d8062de PA |
3135 | gdb::option::add_setshow_cmds_for_options |
3136 | (class_support, &user_print_options, value_print_option_defs, | |
3137 | &setprintlist, &showprintlist); | |
9cb709b6 | 3138 | |
1e8fb976 PA |
3139 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3140 | _("\ | |
35096d9d AC |
3141 | Set default input radix for entering numbers."), _("\ |
3142 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3143 | set_input_radix, |
3144 | show_input_radix, | |
3145 | &setlist, &showlist); | |
35096d9d | 3146 | |
1e8fb976 PA |
3147 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3148 | _("\ | |
35096d9d AC |
3149 | Set default output radix for printing of values."), _("\ |
3150 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3151 | set_output_radix, |
3152 | show_output_radix, | |
3153 | &setlist, &showlist); | |
c906108c | 3154 | |
cb1a6d5f AC |
3155 | /* The "set radix" and "show radix" commands are special in that |
3156 | they are like normal set and show commands but allow two normally | |
3157 | independent variables to be either set or shown with a single | |
b66df561 | 3158 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3159 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3160 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3161 | longer true - show can display anything. */ | |
1a966eab AC |
3162 | add_cmd ("radix", class_support, set_radix, _("\ |
3163 | Set default input and output number radices.\n\ | |
c906108c | 3164 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3165 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3166 | &setlist); |
1a966eab AC |
3167 | add_cmd ("radix", class_support, show_radix, _("\ |
3168 | Show the default input and output number radices.\n\ | |
3169 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3170 | &showlist); |
c906108c | 3171 | } |