Commit | Line | Data |
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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) | |
301 | || language->la_is_string_type_p (type)); | |
302 | } | |
303 | ||
a72c8f6a | 304 | /* See its definition in value.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); | |
772 | if (TYPE_UNSIGNED (type)) | |
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 | |
e8b24d9f | 784 | generic_val_print_float (struct type *type, |
7784724b | 785 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 786 | struct value *original_value, |
7784724b SM |
787 | const struct value_print_options *options) |
788 | { | |
3ae385af SM |
789 | struct gdbarch *gdbarch = get_type_arch (type); |
790 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); | |
791 | ||
f5354008 | 792 | gdb_assert (!options->format); |
e8b24d9f | 793 | |
f5354008 TT |
794 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
795 | ||
796 | print_floating (valaddr + embedded_offset * unit_size, type, stream); | |
7784724b SM |
797 | } |
798 | ||
4f412b6e TT |
799 | /* generic_value_print helper for TYPE_CODE_COMPLEX. */ |
800 | ||
801 | static void | |
802 | generic_value_print_complex (struct value *val, struct ui_file *stream, | |
803 | const struct value_print_options *options, | |
804 | const struct generic_val_print_decorations | |
805 | *decorations) | |
806 | { | |
807 | fprintf_filtered (stream, "%s", decorations->complex_prefix); | |
808 | ||
4c99290d | 809 | struct value *real_part = value_real_part (val); |
4f412b6e TT |
810 | value_print_scalar_formatted (real_part, options, 0, stream); |
811 | fprintf_filtered (stream, "%s", decorations->complex_infix); | |
812 | ||
4c99290d | 813 | struct value *imag_part = value_imaginary_part (val); |
4f412b6e TT |
814 | value_print_scalar_formatted (imag_part, options, 0, stream); |
815 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
816 | } | |
817 | ||
156bfec9 TT |
818 | /* See valprint.h. */ |
819 | ||
820 | void | |
821 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
822 | const struct value_print_options *options, | |
823 | const struct generic_val_print_decorations *decorations) | |
824 | { | |
abc66ce9 | 825 | struct type *type = value_type (val); |
abc66ce9 TT |
826 | |
827 | type = check_typedef (type); | |
78134374 | 828 | switch (type->code ()) |
abc66ce9 TT |
829 | { |
830 | case TYPE_CODE_ARRAY: | |
426a9c18 | 831 | generic_val_print_array (val, stream, recurse, options, decorations); |
abc66ce9 TT |
832 | break; |
833 | ||
834 | case TYPE_CODE_MEMBERPTR: | |
2a5b130b | 835 | value_print_scalar_formatted (val, options, 0, stream); |
abc66ce9 TT |
836 | break; |
837 | ||
838 | case TYPE_CODE_PTR: | |
2a5b130b | 839 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
840 | break; |
841 | ||
842 | case TYPE_CODE_REF: | |
843 | case TYPE_CODE_RVALUE_REF: | |
844 | generic_val_print_ref (type, 0, stream, recurse, | |
845 | val, options); | |
846 | break; | |
847 | ||
848 | case TYPE_CODE_ENUM: | |
40f3ce18 TT |
849 | if (options->format) |
850 | value_print_scalar_formatted (val, options, 0, stream); | |
851 | else | |
852 | generic_val_print_enum (type, 0, stream, val, options); | |
abc66ce9 TT |
853 | break; |
854 | ||
855 | case TYPE_CODE_FLAGS: | |
65786af6 TT |
856 | if (options->format) |
857 | value_print_scalar_formatted (val, options, 0, stream); | |
858 | else | |
859 | val_print_type_code_flags (type, val, 0, stream); | |
abc66ce9 TT |
860 | break; |
861 | ||
862 | case TYPE_CODE_FUNC: | |
863 | case TYPE_CODE_METHOD: | |
4112d2e6 TT |
864 | if (options->format) |
865 | value_print_scalar_formatted (val, options, 0, stream); | |
866 | else | |
867 | generic_val_print_func (type, 0, value_address (val), stream, | |
868 | val, options); | |
abc66ce9 TT |
869 | break; |
870 | ||
871 | case TYPE_CODE_BOOL: | |
6dde7521 | 872 | generic_value_print_bool (val, stream, options, decorations); |
abc66ce9 TT |
873 | break; |
874 | ||
875 | case TYPE_CODE_RANGE: | |
876 | /* FIXME: create_static_range_type does not set the unsigned bit in a | |
877 | range type (I think it probably should copy it from the | |
878 | target type), so we won't print values which are too large to | |
879 | fit in a signed integer correctly. */ | |
880 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just | |
881 | print with the target type, though, because the size of our | |
882 | type and the target type might differ). */ | |
883 | ||
884 | /* FALLTHROUGH */ | |
885 | ||
886 | case TYPE_CODE_INT: | |
fdddfccb | 887 | generic_value_print_int (val, stream, options); |
abc66ce9 TT |
888 | break; |
889 | ||
890 | case TYPE_CODE_CHAR: | |
3eec3b05 | 891 | generic_value_print_char (val, stream, options); |
abc66ce9 TT |
892 | break; |
893 | ||
894 | case TYPE_CODE_FLT: | |
895 | case TYPE_CODE_DECFLOAT: | |
f5354008 TT |
896 | if (options->format) |
897 | value_print_scalar_formatted (val, options, 0, stream); | |
898 | else | |
899 | generic_val_print_float (type, 0, stream, | |
900 | val, options); | |
abc66ce9 TT |
901 | break; |
902 | ||
903 | case TYPE_CODE_VOID: | |
904 | fputs_filtered (decorations->void_name, stream); | |
905 | break; | |
906 | ||
907 | case TYPE_CODE_ERROR: | |
908 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
909 | break; | |
910 | ||
911 | case TYPE_CODE_UNDEF: | |
912 | /* This happens (without TYPE_STUB set) on systems which don't use | |
913 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
914 | and no complete type for struct foo in that file. */ | |
915 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); | |
916 | break; | |
917 | ||
918 | case TYPE_CODE_COMPLEX: | |
4f412b6e | 919 | generic_value_print_complex (val, stream, options, decorations); |
abc66ce9 TT |
920 | break; |
921 | ||
922 | case TYPE_CODE_UNION: | |
923 | case TYPE_CODE_STRUCT: | |
924 | case TYPE_CODE_METHODPTR: | |
925 | default: | |
926 | error (_("Unhandled type code %d in symbol table."), | |
78134374 | 927 | type->code ()); |
abc66ce9 | 928 | } |
156bfec9 TT |
929 | } |
930 | ||
b0c26e99 TT |
931 | /* Helper function for val_print and common_val_print that does the |
932 | work. Arguments are as to val_print, but FULL_VALUE, if given, is | |
933 | the value to be printed. */ | |
32b72a42 | 934 | |
b0c26e99 | 935 | static void |
426a9c18 | 936 | do_val_print (struct value *value, struct ui_file *stream, int recurse, |
b0c26e99 TT |
937 | const struct value_print_options *options, |
938 | const struct language_defn *language) | |
c906108c | 939 | { |
19ca80ba | 940 | int ret = 0; |
79a45b7d | 941 | struct value_print_options local_opts = *options; |
426a9c18 | 942 | struct type *type = value_type (value); |
c906108c | 943 | struct type *real_type = check_typedef (type); |
79a45b7d | 944 | |
2a998fc0 DE |
945 | if (local_opts.prettyformat == Val_prettyformat_default) |
946 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
947 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 948 | |
c906108c SS |
949 | QUIT; |
950 | ||
951 | /* Ensure that the type is complete and not just a stub. If the type is | |
952 | only a stub and we can't find and substitute its complete type, then | |
953 | print appropriate string and return. */ | |
954 | ||
74a9bb82 | 955 | if (TYPE_STUB (real_type)) |
c906108c | 956 | { |
7f6aba03 | 957 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 958 | return; |
c906108c | 959 | } |
c5aa993b | 960 | |
426a9c18 | 961 | if (!valprint_check_validity (stream, real_type, 0, value)) |
35c0084b | 962 | return; |
0e03807e | 963 | |
a6bac58e TT |
964 | if (!options->raw) |
965 | { | |
426a9c18 | 966 | ret = apply_ext_lang_val_pretty_printer (value, stream, recurse, options, |
42331a1e | 967 | language); |
a6bac58e | 968 | if (ret) |
35c0084b | 969 | return; |
a6bac58e TT |
970 | } |
971 | ||
972 | /* Handle summary mode. If the value is a scalar, print it; | |
973 | otherwise, print an ellipsis. */ | |
6211c335 | 974 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
975 | { |
976 | fprintf_filtered (stream, "..."); | |
35c0084b | 977 | return; |
a6bac58e TT |
978 | } |
979 | ||
2e62ab40 AB |
980 | /* If this value is too deep then don't print it. */ |
981 | if (!val_print_scalar_or_string_type_p (type, language) | |
982 | && val_print_check_max_depth (stream, recurse, options, language)) | |
983 | return; | |
984 | ||
a70b8144 | 985 | try |
19ca80ba | 986 | { |
426a9c18 | 987 | language->la_value_print_inner (value, stream, recurse, &local_opts); |
19ca80ba | 988 | } |
230d2906 | 989 | catch (const gdb_exception_error &except) |
492d29ea | 990 | { |
7f6aba03 TT |
991 | fprintf_styled (stream, metadata_style.style (), |
992 | _("<error reading variable>")); | |
492d29ea | 993 | } |
c906108c SS |
994 | } |
995 | ||
2e62ab40 AB |
996 | /* See valprint.h. */ |
997 | ||
998 | bool | |
999 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1000 | const struct value_print_options *options, | |
1001 | const struct language_defn *language) | |
1002 | { | |
1003 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1004 | { | |
1005 | gdb_assert (language->la_struct_too_deep_ellipsis != NULL); | |
1006 | fputs_filtered (language->la_struct_too_deep_ellipsis, stream); | |
1007 | return true; | |
1008 | } | |
1009 | ||
1010 | return false; | |
1011 | } | |
1012 | ||
806048c6 | 1013 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1014 | return 0 and print an appropriate error message to STREAM according to |
1015 | OPTIONS if it is not. */ | |
c906108c | 1016 | |
806048c6 | 1017 | static int |
6501578c YQ |
1018 | value_check_printable (struct value *val, struct ui_file *stream, |
1019 | const struct value_print_options *options) | |
c906108c SS |
1020 | { |
1021 | if (val == 0) | |
1022 | { | |
7f6aba03 TT |
1023 | fprintf_styled (stream, metadata_style.style (), |
1024 | _("<address of value unknown>")); | |
c906108c SS |
1025 | return 0; |
1026 | } | |
806048c6 | 1027 | |
0e03807e | 1028 | if (value_entirely_optimized_out (val)) |
c906108c | 1029 | { |
6211c335 | 1030 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1031 | fprintf_filtered (stream, "..."); |
1032 | else | |
901461f8 | 1033 | val_print_optimized_out (val, stream); |
c906108c SS |
1034 | return 0; |
1035 | } | |
806048c6 | 1036 | |
eebc056c AB |
1037 | if (value_entirely_unavailable (val)) |
1038 | { | |
1039 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1040 | fprintf_filtered (stream, "..."); | |
1041 | else | |
1042 | val_print_unavailable (stream); | |
1043 | return 0; | |
1044 | } | |
1045 | ||
78134374 | 1046 | if (value_type (val)->code () == TYPE_CODE_INTERNAL_FUNCTION) |
bc3b79fd | 1047 | { |
7f6aba03 TT |
1048 | fprintf_styled (stream, metadata_style.style (), |
1049 | _("<internal function %s>"), | |
1050 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1051 | return 0; |
1052 | } | |
1053 | ||
3f2f83dd KB |
1054 | if (type_not_associated (value_type (val))) |
1055 | { | |
1056 | val_print_not_associated (stream); | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | if (type_not_allocated (value_type (val))) | |
1061 | { | |
1062 | val_print_not_allocated (stream); | |
1063 | return 0; | |
1064 | } | |
1065 | ||
806048c6 DJ |
1066 | return 1; |
1067 | } | |
1068 | ||
d8ca156b | 1069 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1070 | to OPTIONS. |
806048c6 | 1071 | |
806048c6 DJ |
1072 | This is a preferable interface to val_print, above, because it uses |
1073 | GDB's value mechanism. */ | |
1074 | ||
a1f5dd1b | 1075 | void |
79a45b7d TT |
1076 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1077 | const struct value_print_options *options, | |
d8ca156b | 1078 | const struct language_defn *language) |
806048c6 | 1079 | { |
0c3acc09 JB |
1080 | if (language->la_language == language_ada) |
1081 | /* The value might have a dynamic type, which would cause trouble | |
1082 | below when trying to extract the value contents (since the value | |
1083 | size is determined from the type size which is unknown). So | |
1084 | get a fixed representation of our value. */ | |
1085 | val = ada_to_fixed_value (val); | |
1086 | ||
7d45f3df YQ |
1087 | if (value_lazy (val)) |
1088 | value_fetch_lazy (val); | |
1089 | ||
426a9c18 | 1090 | do_val_print (val, stream, recurse, options, language); |
806048c6 DJ |
1091 | } |
1092 | ||
c2a44efe TT |
1093 | /* See valprint.h. */ |
1094 | ||
1095 | void | |
1096 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1097 | int recurse, | |
1098 | const struct value_print_options *options, | |
1099 | const struct language_defn *language) | |
1100 | { | |
1101 | if (!value_check_printable (val, stream, options)) | |
1102 | return; | |
1103 | common_val_print (val, stream, recurse, options, language); | |
1104 | } | |
1105 | ||
7348c5e1 | 1106 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1107 | is printed using the current_language syntax. */ |
7348c5e1 | 1108 | |
8e069a98 | 1109 | void |
79a45b7d TT |
1110 | value_print (struct value *val, struct ui_file *stream, |
1111 | const struct value_print_options *options) | |
806048c6 | 1112 | { |
ce3acbe9 TT |
1113 | scoped_value_mark free_values; |
1114 | ||
6501578c | 1115 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1116 | return; |
806048c6 | 1117 | |
a6bac58e TT |
1118 | if (!options->raw) |
1119 | { | |
6dddc817 | 1120 | int r |
42331a1e TT |
1121 | = apply_ext_lang_val_pretty_printer (val, stream, 0, options, |
1122 | current_language); | |
a109c7c1 | 1123 | |
a6bac58e | 1124 | if (r) |
8e069a98 | 1125 | return; |
a6bac58e TT |
1126 | } |
1127 | ||
8e069a98 | 1128 | LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
1129 | } |
1130 | ||
81516450 | 1131 | static void |
65786af6 TT |
1132 | val_print_type_code_flags (struct type *type, struct value *original_value, |
1133 | int embedded_offset, struct ui_file *stream) | |
4f2aea11 | 1134 | { |
65786af6 TT |
1135 | const gdb_byte *valaddr = (value_contents_for_printing (original_value) |
1136 | + embedded_offset); | |
befae759 | 1137 | ULONGEST val = unpack_long (type, valaddr); |
1f704f76 | 1138 | int field, nfields = type->num_fields (); |
81516450 DE |
1139 | struct gdbarch *gdbarch = get_type_arch (type); |
1140 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; | |
4f2aea11 | 1141 | |
81516450 DE |
1142 | fputs_filtered ("[", stream); |
1143 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1144 | { |
81516450 | 1145 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1146 | { |
81516450 DE |
1147 | struct type *field_type = TYPE_FIELD_TYPE (type, field); |
1148 | ||
1149 | if (field_type == bool_type | |
1150 | /* We require boolean types here to be one bit wide. This is a | |
1151 | problematic place to notify the user of an internal error | |
1152 | though. Instead just fall through and print the field as an | |
1153 | int. */ | |
1154 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1155 | { | |
1156 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
3f0cbb04 TT |
1157 | fprintf_filtered |
1158 | (stream, " %ps", | |
1159 | styled_string (variable_name_style.style (), | |
1160 | TYPE_FIELD_NAME (type, field))); | |
81516450 | 1161 | } |
4f2aea11 | 1162 | else |
81516450 DE |
1163 | { |
1164 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1165 | ULONGEST field_val | |
1166 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1167 | ||
1168 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1169 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
3f0cbb04 TT |
1170 | fprintf_filtered (stream, " %ps=", |
1171 | styled_string (variable_name_style.style (), | |
1172 | TYPE_FIELD_NAME (type, field))); | |
78134374 | 1173 | if (field_type->code () == TYPE_CODE_ENUM) |
81516450 DE |
1174 | generic_val_print_enum_1 (field_type, field_val, stream); |
1175 | else | |
1176 | print_longest (stream, 'd', 0, field_val); | |
1177 | } | |
4f2aea11 MK |
1178 | } |
1179 | } | |
81516450 | 1180 | fputs_filtered (" ]", stream); |
19c37f24 | 1181 | } |
ab2188aa | 1182 | |
4f9ae810 TT |
1183 | /* See valprint.h. */ |
1184 | ||
1185 | void | |
1186 | value_print_scalar_formatted (struct value *val, | |
1187 | const struct value_print_options *options, | |
1188 | int size, | |
1189 | struct ui_file *stream) | |
1190 | { | |
1191 | struct type *type = check_typedef (value_type (val)); | |
1192 | ||
1193 | gdb_assert (val != NULL); | |
1194 | ||
1195 | /* If we get here with a string format, try again without it. Go | |
1196 | all the way back to the language printers, which may call us | |
1197 | again. */ | |
1198 | if (options->format == 's') | |
1199 | { | |
1200 | struct value_print_options opts = *options; | |
1201 | opts.format = 0; | |
1202 | opts.deref_ref = 0; | |
1203 | common_val_print (val, stream, 0, &opts, current_language); | |
1204 | return; | |
1205 | } | |
1206 | ||
1207 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1208 | needed to check whether VAL is optimized-out or unavailable | |
1209 | below. */ | |
1210 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1211 | ||
1212 | /* A scalar object that does not have all bits available can't be | |
1213 | printed, because all bits contribute to its representation. */ | |
1214 | if (value_bits_any_optimized_out (val, 0, | |
1215 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
1216 | val_print_optimized_out (val, stream); | |
1217 | else if (!value_bytes_available (val, 0, TYPE_LENGTH (type))) | |
1218 | val_print_unavailable (stream); | |
1219 | else | |
1220 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1221 | } | |
1222 | ||
c906108c SS |
1223 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1224 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1225 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1226 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1227 | format. |
bb599908 PH |
1228 | |
1229 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1230 | 'o' and 'x' format do not include the standard C radix prefix | |
1231 | (leading 0 or 0x). | |
1232 | ||
1233 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1234 | and was intended to request formatting according to the current |
bb599908 PH |
1235 | language and would be used for most integers that GDB prints. The |
1236 | exceptional cases were things like protocols where the format of | |
1237 | the integer is a protocol thing, not a user-visible thing). The | |
1238 | parameter remains to preserve the information of what things might | |
1239 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1240 | that capability. */ |
c906108c SS |
1241 | |
1242 | void | |
bb599908 | 1243 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1244 | LONGEST val_long) |
c906108c | 1245 | { |
2bfb72ee AC |
1246 | const char *val; |
1247 | ||
c906108c SS |
1248 | switch (format) |
1249 | { | |
1250 | case 'd': | |
bb599908 | 1251 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1252 | case 'u': |
bb599908 | 1253 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1254 | case 'x': |
bb599908 | 1255 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1256 | case 'b': |
bb599908 | 1257 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1258 | case 'h': |
bb599908 | 1259 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1260 | case 'w': |
bb599908 | 1261 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1262 | case 'g': |
bb599908 | 1263 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1264 | break; |
1265 | case 'o': | |
bb599908 | 1266 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1267 | default: |
3e43a32a MS |
1268 | internal_error (__FILE__, __LINE__, |
1269 | _("failed internal consistency check")); | |
bb599908 | 1270 | } |
2bfb72ee | 1271 | fputs_filtered (val, stream); |
c906108c SS |
1272 | } |
1273 | ||
c906108c SS |
1274 | /* This used to be a macro, but I don't think it is called often enough |
1275 | to merit such treatment. */ | |
1276 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1277 | arguments to a function, number in a value history, register number, etc.) | |
1278 | where the value must not be larger than can fit in an int. */ | |
1279 | ||
1280 | int | |
fba45db2 | 1281 | longest_to_int (LONGEST arg) |
c906108c | 1282 | { |
581e13c1 | 1283 | /* Let the compiler do the work. */ |
c906108c SS |
1284 | int rtnval = (int) arg; |
1285 | ||
581e13c1 | 1286 | /* Check for overflows or underflows. */ |
c906108c SS |
1287 | if (sizeof (LONGEST) > sizeof (int)) |
1288 | { | |
1289 | if (rtnval != arg) | |
1290 | { | |
8a3fe4f8 | 1291 | error (_("Value out of range.")); |
c906108c SS |
1292 | } |
1293 | } | |
1294 | return (rtnval); | |
1295 | } | |
1296 | ||
fdf0cbc2 UW |
1297 | /* Print a floating point value of floating-point type TYPE, |
1298 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1299 | |
1300 | void | |
fc1a4b47 | 1301 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1302 | struct ui_file *stream) |
c906108c | 1303 | { |
f69fdf9b | 1304 | std::string str = target_float_to_string (valaddr, type); |
3b4b2f16 | 1305 | fputs_filtered (str.c_str (), stream); |
7678ef8f TJB |
1306 | } |
1307 | ||
c5aa993b | 1308 | void |
fc1a4b47 | 1309 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1310 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1311 | { |
fc1a4b47 | 1312 | const gdb_byte *p; |
745b8ca0 | 1313 | unsigned int i; |
c5aa993b | 1314 | int b; |
30a25466 | 1315 | bool seen_a_one = false; |
c906108c SS |
1316 | |
1317 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1318 | This ensures that right shift will shift in zeros. */ |
1319 | ||
c5aa993b | 1320 | const int mask = 0x080; |
c906108c | 1321 | |
d44e8473 | 1322 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1323 | { |
1324 | for (p = valaddr; | |
1325 | p < valaddr + len; | |
1326 | p++) | |
1327 | { | |
c5aa993b | 1328 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1329 | and print from the MSB end. */ |
1330 | ||
d3abe1c8 | 1331 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1332 | { |
1333 | if (*p & (mask >> i)) | |
30a25466 | 1334 | b = '1'; |
c5aa993b | 1335 | else |
30a25466 | 1336 | b = '0'; |
c5aa993b | 1337 | |
30a25466 TT |
1338 | if (zero_pad || seen_a_one || b == '1') |
1339 | fputc_filtered (b, stream); | |
1340 | if (b == '1') | |
1341 | seen_a_one = true; | |
c5aa993b | 1342 | } |
c906108c SS |
1343 | } |
1344 | } | |
1345 | else | |
1346 | { | |
1347 | for (p = valaddr + len - 1; | |
1348 | p >= valaddr; | |
1349 | p--) | |
1350 | { | |
d3abe1c8 | 1351 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1352 | { |
1353 | if (*p & (mask >> i)) | |
30a25466 | 1354 | b = '1'; |
c5aa993b | 1355 | else |
30a25466 | 1356 | b = '0'; |
c5aa993b | 1357 | |
30a25466 TT |
1358 | if (zero_pad || seen_a_one || b == '1') |
1359 | fputc_filtered (b, stream); | |
1360 | if (b == '1') | |
1361 | seen_a_one = true; | |
c5aa993b | 1362 | } |
c906108c SS |
1363 | } |
1364 | } | |
30a25466 TT |
1365 | |
1366 | /* When not zero-padding, ensure that something is printed when the | |
1367 | input is 0. */ | |
1368 | if (!zero_pad && !seen_a_one) | |
1369 | fputc_filtered ('0', stream); | |
1370 | } | |
1371 | ||
1372 | /* A helper for print_octal_chars that emits a single octal digit, | |
1373 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1374 | ||
1375 | static void | |
1376 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1377 | { | |
1378 | if (*seen_a_one || digit != 0) | |
1379 | fprintf_filtered (stream, "%o", digit); | |
1380 | if (digit != 0) | |
1381 | *seen_a_one = true; | |
c906108c SS |
1382 | } |
1383 | ||
1384 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1385 | Print it in octal on stream or format it in buf. */ |
1386 | ||
c906108c | 1387 | void |
fc1a4b47 | 1388 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1389 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1390 | { |
fc1a4b47 | 1391 | const gdb_byte *p; |
c906108c | 1392 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1393 | int cycle; |
1394 | ||
c906108c SS |
1395 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1396 | * the extra bits, which cycle every three bytes: | |
1397 | * | |
1398 | * Byte side: 0 1 2 3 | |
1399 | * | | | | | |
1400 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1401 | * | |
1402 | * Octal side: 0 1 carry 3 4 carry ... | |
1403 | * | |
1404 | * Cycle number: 0 1 2 | |
1405 | * | |
1406 | * But of course we are printing from the high side, so we have to | |
1407 | * figure out where in the cycle we are so that we end up with no | |
1408 | * left over bits at the end. | |
1409 | */ | |
1410 | #define BITS_IN_OCTAL 3 | |
1411 | #define HIGH_ZERO 0340 | |
d6382fff | 1412 | #define LOW_ZERO 0034 |
c906108c | 1413 | #define CARRY_ZERO 0003 |
d6382fff TT |
1414 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1415 | "cycle zero constants are wrong"); | |
c906108c SS |
1416 | #define HIGH_ONE 0200 |
1417 | #define MID_ONE 0160 | |
1418 | #define LOW_ONE 0016 | |
1419 | #define CARRY_ONE 0001 | |
d6382fff TT |
1420 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1421 | "cycle one constants are wrong"); | |
c906108c SS |
1422 | #define HIGH_TWO 0300 |
1423 | #define MID_TWO 0070 | |
1424 | #define LOW_TWO 0007 | |
d6382fff TT |
1425 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1426 | "cycle two constants are wrong"); | |
c906108c SS |
1427 | |
1428 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1429 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1430 | ||
d3abe1c8 | 1431 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1432 | carry = 0; |
c5aa993b | 1433 | |
bb599908 | 1434 | fputs_filtered ("0", stream); |
30a25466 | 1435 | bool seen_a_one = false; |
d44e8473 | 1436 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1437 | { |
1438 | for (p = valaddr; | |
1439 | p < valaddr + len; | |
1440 | p++) | |
1441 | { | |
c5aa993b JM |
1442 | switch (cycle) |
1443 | { | |
1444 | case 0: | |
581e13c1 MS |
1445 | /* No carry in, carry out two bits. */ |
1446 | ||
c5aa993b JM |
1447 | octa1 = (HIGH_ZERO & *p) >> 5; |
1448 | octa2 = (LOW_ZERO & *p) >> 2; | |
1449 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1450 | emit_octal_digit (stream, &seen_a_one, octa1); |
1451 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1452 | break; |
1453 | ||
1454 | case 1: | |
581e13c1 MS |
1455 | /* Carry in two bits, carry out one bit. */ |
1456 | ||
c5aa993b JM |
1457 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1458 | octa2 = (MID_ONE & *p) >> 4; | |
1459 | octa3 = (LOW_ONE & *p) >> 1; | |
1460 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1461 | emit_octal_digit (stream, &seen_a_one, octa1); |
1462 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1463 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1464 | break; |
1465 | ||
1466 | case 2: | |
581e13c1 MS |
1467 | /* Carry in one bit, no carry out. */ |
1468 | ||
c5aa993b JM |
1469 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1470 | octa2 = (MID_TWO & *p) >> 3; | |
1471 | octa3 = (LOW_TWO & *p); | |
1472 | carry = 0; | |
30a25466 TT |
1473 | emit_octal_digit (stream, &seen_a_one, octa1); |
1474 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1475 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1476 | break; |
1477 | ||
1478 | default: | |
8a3fe4f8 | 1479 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1480 | } |
1481 | ||
1482 | cycle++; | |
1483 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1484 | } |
1485 | } | |
1486 | else | |
1487 | { | |
1488 | for (p = valaddr + len - 1; | |
1489 | p >= valaddr; | |
1490 | p--) | |
1491 | { | |
c5aa993b JM |
1492 | switch (cycle) |
1493 | { | |
1494 | case 0: | |
1495 | /* Carry out, no carry in */ | |
581e13c1 | 1496 | |
c5aa993b JM |
1497 | octa1 = (HIGH_ZERO & *p) >> 5; |
1498 | octa2 = (LOW_ZERO & *p) >> 2; | |
1499 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1500 | emit_octal_digit (stream, &seen_a_one, octa1); |
1501 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1502 | break; |
1503 | ||
1504 | case 1: | |
1505 | /* Carry in, carry out */ | |
581e13c1 | 1506 | |
c5aa993b JM |
1507 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1508 | octa2 = (MID_ONE & *p) >> 4; | |
1509 | octa3 = (LOW_ONE & *p) >> 1; | |
1510 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1511 | emit_octal_digit (stream, &seen_a_one, octa1); |
1512 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1513 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1514 | break; |
1515 | ||
1516 | case 2: | |
1517 | /* Carry in, no carry out */ | |
581e13c1 | 1518 | |
c5aa993b JM |
1519 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1520 | octa2 = (MID_TWO & *p) >> 3; | |
1521 | octa3 = (LOW_TWO & *p); | |
1522 | carry = 0; | |
30a25466 TT |
1523 | emit_octal_digit (stream, &seen_a_one, octa1); |
1524 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1525 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1526 | break; |
1527 | ||
1528 | default: | |
8a3fe4f8 | 1529 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1530 | } |
1531 | ||
1532 | cycle++; | |
1533 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1534 | } |
1535 | } | |
1536 | ||
c906108c SS |
1537 | } |
1538 | ||
4ac0cb1c TT |
1539 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1540 | bytes in the specified byte order. If the integer is negative, | |
1541 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1542 | nothing and return false. */ | |
1543 | ||
1544 | static bool | |
1545 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1546 | enum bfd_endian byte_order, | |
d5722aa2 | 1547 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1548 | { |
1549 | gdb_byte sign_byte; | |
eb77c9df | 1550 | gdb_assert (len > 0); |
4ac0cb1c TT |
1551 | if (byte_order == BFD_ENDIAN_BIG) |
1552 | sign_byte = bytes[0]; | |
1553 | else | |
1554 | sign_byte = bytes[len - 1]; | |
1555 | if ((sign_byte & 0x80) == 0) | |
1556 | return false; | |
1557 | ||
1558 | out_vec->resize (len); | |
1559 | ||
1560 | /* Compute -x == 1 + ~x. */ | |
1561 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1562 | { | |
1563 | unsigned carry = 1; | |
1564 | for (unsigned i = 0; i < len; ++i) | |
1565 | { | |
1566 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1567 | (*out_vec)[i] = tem & 0xff; | |
1568 | carry = tem / 256; | |
1569 | } | |
1570 | } | |
1571 | else | |
1572 | { | |
1573 | unsigned carry = 1; | |
1574 | for (unsigned i = len; i > 0; --i) | |
1575 | { | |
1576 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1577 | (*out_vec)[i - 1] = tem & 0xff; | |
1578 | carry = tem / 256; | |
1579 | } | |
1580 | } | |
1581 | ||
1582 | return true; | |
1583 | } | |
1584 | ||
c906108c | 1585 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1586 | Print it in decimal on stream or format it in buf. */ |
1587 | ||
c906108c | 1588 | void |
fc1a4b47 | 1589 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1590 | unsigned len, bool is_signed, |
1591 | enum bfd_endian byte_order) | |
c906108c SS |
1592 | { |
1593 | #define TEN 10 | |
c5aa993b | 1594 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1595 | #define CARRY_LEFT( x ) ((x) % TEN) |
1596 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1597 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1598 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1599 | ||
fc1a4b47 | 1600 | const gdb_byte *p; |
c5aa993b JM |
1601 | int carry; |
1602 | int decimal_len; | |
1603 | int i, j, decimal_digits; | |
1604 | int dummy; | |
1605 | int flip; | |
1606 | ||
d5722aa2 | 1607 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1608 | if (is_signed |
1609 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1610 | { | |
1611 | fputs_filtered ("-", stream); | |
1612 | valaddr = negated_bytes.data (); | |
1613 | } | |
1614 | ||
c906108c | 1615 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1616 | as the base 16 number, which is 2 digits per byte. */ |
1617 | ||
c906108c | 1618 | decimal_len = len * 2 * 2; |
30a25466 | 1619 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1620 | |
c906108c SS |
1621 | /* Ok, we have an unknown number of bytes of data to be printed in |
1622 | * decimal. | |
1623 | * | |
1624 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1625 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1626 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1627 | * | |
1628 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1629 | * the individual digits are > 10. |
c906108c SS |
1630 | * |
1631 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1632 | * LSD end. | |
1633 | */ | |
c5aa993b | 1634 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1635 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1636 | flip = 0; |
d44e8473 | 1637 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1638 | { |
c906108c SS |
1639 | /* |
1640 | * Multiply current base-ten number by 16 in place. | |
1641 | * Each digit was between 0 and 9, now is between | |
1642 | * 0 and 144. | |
1643 | */ | |
c5aa993b JM |
1644 | for (j = 0; j < decimal_digits; j++) |
1645 | { | |
1646 | digits[j] = SHIFT (digits[j]); | |
1647 | } | |
1648 | ||
c906108c SS |
1649 | /* Take the next nibble off the input and add it to what |
1650 | * we've got in the LSB position. Bottom 'digit' is now | |
1651 | * between 0 and 159. | |
1652 | * | |
1653 | * "flip" is used to run this loop twice for each byte. | |
1654 | */ | |
c5aa993b JM |
1655 | if (flip == 0) |
1656 | { | |
581e13c1 MS |
1657 | /* Take top nibble. */ |
1658 | ||
c5aa993b JM |
1659 | digits[0] += HIGH_NIBBLE (*p); |
1660 | flip = 1; | |
1661 | } | |
1662 | else | |
1663 | { | |
581e13c1 MS |
1664 | /* Take low nibble and bump our pointer "p". */ |
1665 | ||
c5aa993b | 1666 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1667 | if (byte_order == BFD_ENDIAN_BIG) |
1668 | p++; | |
1669 | else | |
1670 | p--; | |
c5aa993b JM |
1671 | flip = 0; |
1672 | } | |
c906108c SS |
1673 | |
1674 | /* Re-decimalize. We have to do this often enough | |
1675 | * that we don't overflow, but once per nibble is | |
1676 | * overkill. Easier this way, though. Note that the | |
1677 | * carry is often larger than 10 (e.g. max initial | |
1678 | * carry out of lowest nibble is 15, could bubble all | |
1679 | * the way up greater than 10). So we have to do | |
1680 | * the carrying beyond the last current digit. | |
1681 | */ | |
1682 | carry = 0; | |
c5aa993b JM |
1683 | for (j = 0; j < decimal_len - 1; j++) |
1684 | { | |
1685 | digits[j] += carry; | |
1686 | ||
1687 | /* "/" won't handle an unsigned char with | |
1688 | * a value that if signed would be negative. | |
1689 | * So extend to longword int via "dummy". | |
1690 | */ | |
1691 | dummy = digits[j]; | |
1692 | carry = CARRY_OUT (dummy); | |
1693 | digits[j] = CARRY_LEFT (dummy); | |
1694 | ||
1695 | if (j >= decimal_digits && carry == 0) | |
1696 | { | |
1697 | /* | |
1698 | * All higher digits are 0 and we | |
1699 | * no longer have a carry. | |
1700 | * | |
1701 | * Note: "j" is 0-based, "decimal_digits" is | |
1702 | * 1-based. | |
1703 | */ | |
1704 | decimal_digits = j + 1; | |
1705 | break; | |
1706 | } | |
1707 | } | |
1708 | } | |
c906108c SS |
1709 | |
1710 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1711 | the "decimal_digits" actual digits. Print! */ |
1712 | ||
30a25466 TT |
1713 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1714 | ; | |
1715 | ||
1716 | for (; i >= 0; i--) | |
c5aa993b JM |
1717 | { |
1718 | fprintf_filtered (stream, "%1d", digits[i]); | |
1719 | } | |
c906108c SS |
1720 | } |
1721 | ||
1722 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1723 | ||
6b9acc27 | 1724 | void |
fc1a4b47 | 1725 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1726 | unsigned len, enum bfd_endian byte_order, |
1727 | bool zero_pad) | |
c906108c | 1728 | { |
fc1a4b47 | 1729 | const gdb_byte *p; |
c906108c | 1730 | |
bb599908 | 1731 | fputs_filtered ("0x", stream); |
d44e8473 | 1732 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1733 | { |
30a25466 TT |
1734 | p = valaddr; |
1735 | ||
1736 | if (!zero_pad) | |
1737 | { | |
1738 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1739 | single byte at the end. */ | |
1740 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1741 | ; | |
1742 | } | |
1743 | ||
1744 | const gdb_byte *first = p; | |
1745 | for (; | |
c906108c SS |
1746 | p < valaddr + len; |
1747 | p++) | |
1748 | { | |
30a25466 TT |
1749 | /* When not zero-padding, use a different format for the |
1750 | very first byte printed. */ | |
1751 | if (!zero_pad && p == first) | |
1752 | fprintf_filtered (stream, "%x", *p); | |
1753 | else | |
1754 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1755 | } |
1756 | } | |
1757 | else | |
1758 | { | |
30a25466 TT |
1759 | p = valaddr + len - 1; |
1760 | ||
1761 | if (!zero_pad) | |
1762 | { | |
1763 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1764 | single byte at the end. */ | |
1765 | for (; p >= valaddr + 1 && !*p; --p) | |
1766 | ; | |
1767 | } | |
1768 | ||
1769 | const gdb_byte *first = p; | |
1770 | for (; | |
c906108c SS |
1771 | p >= valaddr; |
1772 | p--) | |
1773 | { | |
30a25466 TT |
1774 | /* When not zero-padding, use a different format for the |
1775 | very first byte printed. */ | |
1776 | if (!zero_pad && p == first) | |
1777 | fprintf_filtered (stream, "%x", *p); | |
1778 | else | |
1779 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1780 | } |
1781 | } | |
c906108c SS |
1782 | } |
1783 | ||
3e43a32a | 1784 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1785 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1786 | Omit any leading zero chars. */ |
1787 | ||
1788 | void | |
6c7a06a3 TT |
1789 | print_char_chars (struct ui_file *stream, struct type *type, |
1790 | const gdb_byte *valaddr, | |
d44e8473 | 1791 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1792 | { |
fc1a4b47 | 1793 | const gdb_byte *p; |
6b9acc27 | 1794 | |
d44e8473 | 1795 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1796 | { |
1797 | p = valaddr; | |
1798 | while (p < valaddr + len - 1 && *p == 0) | |
1799 | ++p; | |
1800 | ||
1801 | while (p < valaddr + len) | |
1802 | { | |
6c7a06a3 | 1803 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1804 | ++p; |
1805 | } | |
1806 | } | |
1807 | else | |
1808 | { | |
1809 | p = valaddr + len - 1; | |
1810 | while (p > valaddr && *p == 0) | |
1811 | --p; | |
1812 | ||
1813 | while (p >= valaddr) | |
1814 | { | |
6c7a06a3 | 1815 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1816 | --p; |
1817 | } | |
1818 | } | |
1819 | } | |
1820 | ||
132c57b4 TT |
1821 | /* Print function pointer with inferior address ADDRESS onto stdio |
1822 | stream STREAM. */ | |
1823 | ||
1824 | void | |
edf0c1b7 TT |
1825 | print_function_pointer_address (const struct value_print_options *options, |
1826 | struct gdbarch *gdbarch, | |
132c57b4 | 1827 | CORE_ADDR address, |
edf0c1b7 | 1828 | struct ui_file *stream) |
132c57b4 TT |
1829 | { |
1830 | CORE_ADDR func_addr | |
1831 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
8b88a78e | 1832 | current_top_target ()); |
132c57b4 TT |
1833 | |
1834 | /* If the function pointer is represented by a description, print | |
1835 | the address of the description. */ | |
edf0c1b7 | 1836 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1837 | { |
1838 | fputs_filtered ("@", stream); | |
1839 | fputs_filtered (paddress (gdbarch, address), stream); | |
1840 | fputs_filtered (": ", stream); | |
1841 | } | |
edf0c1b7 | 1842 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1843 | } |
1844 | ||
1845 | ||
79a45b7d | 1846 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1847 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1848 | ||
1849 | void | |
1850 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1851 | struct ui_file *stream, |
1852 | const struct value_print_options *options) | |
e79af960 | 1853 | { |
79a45b7d | 1854 | if (!options->print_array_indexes) |
e79af960 JB |
1855 | return; |
1856 | ||
53a47a3e | 1857 | LA_PRINT_ARRAY_INDEX (index_type, index, stream, options); |
79a45b7d | 1858 | } |
e79af960 | 1859 | |
d121c6ce TT |
1860 | /* See valprint.h. */ |
1861 | ||
1862 | void | |
1863 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
1864 | int recurse, | |
1865 | const struct value_print_options *options, | |
1866 | unsigned int i) | |
1867 | { | |
1868 | unsigned int things_printed = 0; | |
1869 | unsigned len; | |
53a47a3e | 1870 | struct type *elttype, *index_type; |
d121c6ce TT |
1871 | unsigned eltlen; |
1872 | /* Position of the array element we are examining to see | |
1873 | whether it is repeated. */ | |
1874 | unsigned int rep1; | |
1875 | /* Number of repetitions we have detected so far. */ | |
1876 | unsigned int reps; | |
1877 | LONGEST low_bound, high_bound; | |
d121c6ce TT |
1878 | |
1879 | struct type *type = check_typedef (value_type (val)); | |
1880 | ||
1881 | elttype = TYPE_TARGET_TYPE (type); | |
1882 | eltlen = type_length_units (check_typedef (elttype)); | |
1883 | index_type = TYPE_INDEX_TYPE (type); | |
53a47a3e TT |
1884 | if (index_type->code () == TYPE_CODE_RANGE) |
1885 | index_type = TYPE_TARGET_TYPE (index_type); | |
d121c6ce TT |
1886 | |
1887 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
1888 | { | |
53a47a3e TT |
1889 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + |
1890 | 1. But we have to be a little extra careful, because some | |
1891 | languages such as Ada allow LOW_BOUND to be greater than | |
1892 | HIGH_BOUND for empty arrays. In that situation, the array | |
1893 | length is just zero, not negative! */ | |
1894 | if (low_bound > high_bound) | |
d121c6ce TT |
1895 | len = 0; |
1896 | else | |
53a47a3e | 1897 | len = high_bound - low_bound + 1; |
d121c6ce TT |
1898 | } |
1899 | else | |
1900 | { | |
1901 | warning (_("unable to get bounds of array, assuming null array")); | |
1902 | low_bound = 0; | |
1903 | len = 0; | |
1904 | } | |
1905 | ||
1906 | annotate_array_section_begin (i, elttype); | |
1907 | ||
1908 | for (; i < len && things_printed < options->print_max; i++) | |
1909 | { | |
1910 | scoped_value_mark free_values; | |
1911 | ||
1912 | if (i != 0) | |
1913 | { | |
1914 | if (options->prettyformat_arrays) | |
1915 | { | |
1916 | fprintf_filtered (stream, ",\n"); | |
1917 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1918 | } | |
1919 | else | |
1920 | fprintf_filtered (stream, ", "); | |
1921 | } | |
d642b692 HD |
1922 | else if (options->prettyformat_arrays) |
1923 | { | |
1924 | fprintf_filtered (stream, "\n"); | |
1925 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1926 | } | |
d121c6ce TT |
1927 | wrap_here (n_spaces (2 + 2 * recurse)); |
1928 | maybe_print_array_index (index_type, i + low_bound, | |
1929 | stream, options); | |
1930 | ||
1931 | rep1 = i + 1; | |
1932 | reps = 1; | |
1933 | /* Only check for reps if repeat_count_threshold is not set to | |
1934 | UINT_MAX (unlimited). */ | |
1935 | if (options->repeat_count_threshold < UINT_MAX) | |
1936 | { | |
1937 | while (rep1 < len | |
1938 | && value_contents_eq (val, i * eltlen, | |
1939 | val, rep1 * eltlen, | |
1940 | eltlen)) | |
1941 | { | |
1942 | ++reps; | |
1943 | ++rep1; | |
1944 | } | |
1945 | } | |
1946 | ||
1947 | struct value *element = value_from_component (val, elttype, eltlen * i); | |
1948 | common_val_print (element, stream, recurse + 1, options, | |
1949 | current_language); | |
1950 | ||
1951 | if (reps > options->repeat_count_threshold) | |
1952 | { | |
1953 | annotate_elt_rep (reps); | |
1954 | fprintf_filtered (stream, " %p[<repeats %u times>%p]", | |
1955 | metadata_style.style ().ptr (), reps, nullptr); | |
1956 | annotate_elt_rep_end (); | |
1957 | ||
1958 | i = rep1 - 1; | |
1959 | things_printed += options->repeat_count_threshold; | |
1960 | } | |
1961 | else | |
1962 | { | |
1963 | annotate_elt (); | |
1964 | things_printed++; | |
1965 | } | |
1966 | } | |
1967 | annotate_array_section_end (); | |
1968 | if (i < len) | |
1969 | fprintf_filtered (stream, "..."); | |
d642b692 HD |
1970 | if (options->prettyformat_arrays) |
1971 | { | |
1972 | fprintf_filtered (stream, "\n"); | |
1973 | print_spaces_filtered (2 * recurse, stream); | |
1974 | } | |
d121c6ce TT |
1975 | } |
1976 | ||
917317f4 JM |
1977 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1978 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 1979 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 1980 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
1981 | |
1982 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1983 | function be eliminated. */ | |
1984 | ||
1985 | static int | |
3e43a32a | 1986 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 1987 | int len, int *errptr) |
917317f4 | 1988 | { |
581e13c1 MS |
1989 | int nread; /* Number of bytes actually read. */ |
1990 | int errcode; /* Error from last read. */ | |
917317f4 | 1991 | |
581e13c1 | 1992 | /* First try a complete read. */ |
917317f4 JM |
1993 | errcode = target_read_memory (memaddr, myaddr, len); |
1994 | if (errcode == 0) | |
1995 | { | |
581e13c1 | 1996 | /* Got it all. */ |
917317f4 JM |
1997 | nread = len; |
1998 | } | |
1999 | else | |
2000 | { | |
581e13c1 | 2001 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
2002 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
2003 | { | |
2004 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2005 | } | |
581e13c1 | 2006 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2007 | if (errcode != 0) |
2008 | { | |
2009 | nread--; | |
2010 | } | |
2011 | } | |
578d3588 | 2012 | if (errptr != NULL) |
917317f4 | 2013 | { |
578d3588 | 2014 | *errptr = errcode; |
917317f4 JM |
2015 | } |
2016 | return (nread); | |
2017 | } | |
2018 | ||
b4be9fad TT |
2019 | /* Read a string from the inferior, at ADDR, with LEN characters of |
2020 | WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER | |
2021 | will be set to a newly allocated buffer containing the string, and | |
2022 | BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2023 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2024 | |
f380848e SA |
2025 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2026 | (including eventual NULs in the middle or end of the string). | |
2027 | ||
2028 | If LEN is -1, stops at the first null character (not necessarily | |
2029 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2030 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2031 | the string. | |
ae6a3a4c TJB |
2032 | |
2033 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2034 | failure. In this case, some characters might have been read before the | |
2035 | failure happened. Check BYTES_READ to recognize this situation. | |
2036 | ||
2037 | Note: There was a FIXME asking to make this code use target_read_string, | |
2038 | but this function is more general (can read past null characters, up to | |
581e13c1 | 2039 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
2040 | so it is more tested. Perhaps callers of target_read_string should use |
2041 | this function instead? */ | |
c906108c SS |
2042 | |
2043 | int | |
ae6a3a4c | 2044 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
b4be9fad TT |
2045 | enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer, |
2046 | int *bytes_read) | |
c906108c | 2047 | { |
ae6a3a4c TJB |
2048 | int errcode; /* Errno returned from bad reads. */ |
2049 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2050 | gdb_byte *bufptr; /* Pointer to next available byte in |
2051 | buffer. */ | |
ae6a3a4c | 2052 | |
ae6a3a4c TJB |
2053 | /* Loop until we either have all the characters, or we encounter |
2054 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2055 | |
b4be9fad | 2056 | buffer->reset (nullptr); |
c906108c SS |
2057 | |
2058 | if (len > 0) | |
2059 | { | |
88db67ef YQ |
2060 | /* We want fetchlimit chars, so we might as well read them all in |
2061 | one operation. */ | |
325fac50 | 2062 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e | 2063 | |
b4be9fad TT |
2064 | buffer->reset ((gdb_byte *) xmalloc (fetchlen * width)); |
2065 | bufptr = buffer->get (); | |
c906108c | 2066 | |
f380848e | 2067 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2068 | / width; |
2069 | addr += nfetch * width; | |
2070 | bufptr += nfetch * width; | |
2071 | } | |
2072 | else if (len == -1) | |
2073 | { | |
2074 | unsigned long bufsize = 0; | |
88db67ef YQ |
2075 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2076 | int found_nul; /* Non-zero if we found the nul char. */ | |
2077 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2078 | ||
2079 | found_nul = 0; | |
2080 | /* We are looking for a NUL terminator to end the fetching, so we | |
2081 | might as well read in blocks that are large enough to be efficient, | |
2082 | but not so large as to be slow if fetchlimit happens to be large. | |
2083 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2084 | instead of 8 but 200 is way too big for remote debugging over a | |
2085 | serial line. */ | |
325fac50 | 2086 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2087 | |
c906108c SS |
2088 | do |
2089 | { | |
2090 | QUIT; | |
325fac50 | 2091 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2092 | |
ae6a3a4c | 2093 | if (*buffer == NULL) |
b4be9fad | 2094 | buffer->reset ((gdb_byte *) xmalloc (nfetch * width)); |
c906108c | 2095 | else |
b4be9fad TT |
2096 | buffer->reset ((gdb_byte *) xrealloc (buffer->release (), |
2097 | (nfetch + bufsize) * width)); | |
c906108c | 2098 | |
b4be9fad | 2099 | bufptr = buffer->get () + bufsize * width; |
c906108c SS |
2100 | bufsize += nfetch; |
2101 | ||
ae6a3a4c | 2102 | /* Read as much as we can. */ |
917317f4 | 2103 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2104 | / width; |
c906108c | 2105 | |
ae6a3a4c | 2106 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2107 | to print. If found, we don't need to fetch any more. Note |
2108 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2109 | after the null character, or at the next character after the end |
2110 | of the buffer. */ | |
c906108c SS |
2111 | |
2112 | limit = bufptr + nfetch * width; | |
2113 | while (bufptr < limit) | |
2114 | { | |
2115 | unsigned long c; | |
2116 | ||
e17a4113 | 2117 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2118 | addr += width; |
2119 | bufptr += width; | |
2120 | if (c == 0) | |
2121 | { | |
2122 | /* We don't care about any error which happened after | |
ae6a3a4c | 2123 | the NUL terminator. */ |
c906108c SS |
2124 | errcode = 0; |
2125 | found_nul = 1; | |
2126 | break; | |
2127 | } | |
2128 | } | |
2129 | } | |
c5aa993b | 2130 | while (errcode == 0 /* no error */ |
b4be9fad | 2131 | && bufptr - buffer->get () < fetchlimit * width /* no overrun */ |
ae6a3a4c | 2132 | && !found_nul); /* haven't found NUL yet */ |
c906108c SS |
2133 | } |
2134 | else | |
ae6a3a4c TJB |
2135 | { /* Length of string is really 0! */ |
2136 | /* We always allocate *buffer. */ | |
b4be9fad TT |
2137 | buffer->reset ((gdb_byte *) xmalloc (1)); |
2138 | bufptr = buffer->get (); | |
c906108c SS |
2139 | errcode = 0; |
2140 | } | |
2141 | ||
2142 | /* bufptr and addr now point immediately beyond the last byte which we | |
2143 | consider part of the string (including a '\0' which ends the string). */ | |
b4be9fad | 2144 | *bytes_read = bufptr - buffer->get (); |
ae6a3a4c TJB |
2145 | |
2146 | QUIT; | |
2147 | ||
ae6a3a4c TJB |
2148 | return errcode; |
2149 | } | |
2150 | ||
3b2b8fea TT |
2151 | /* Return true if print_wchar can display W without resorting to a |
2152 | numeric escape, false otherwise. */ | |
2153 | ||
2154 | static int | |
2155 | wchar_printable (gdb_wchar_t w) | |
2156 | { | |
2157 | return (gdb_iswprint (w) | |
2158 | || w == LCST ('\a') || w == LCST ('\b') | |
2159 | || w == LCST ('\f') || w == LCST ('\n') | |
2160 | || w == LCST ('\r') || w == LCST ('\t') | |
2161 | || w == LCST ('\v')); | |
2162 | } | |
2163 | ||
2164 | /* A helper function that converts the contents of STRING to wide | |
2165 | characters and then appends them to OUTPUT. */ | |
2166 | ||
2167 | static void | |
2168 | append_string_as_wide (const char *string, | |
2169 | struct obstack *output) | |
2170 | { | |
2171 | for (; *string; ++string) | |
2172 | { | |
2173 | gdb_wchar_t w = gdb_btowc (*string); | |
2174 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2175 | } | |
2176 | } | |
2177 | ||
2178 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2179 | original (target) bytes representing the character, ORIG_LEN is the | |
2180 | number of valid bytes. WIDTH is the number of bytes in a base | |
2181 | characters of the type. OUTPUT is an obstack to which wide | |
2182 | characters are emitted. QUOTER is a (narrow) character indicating | |
2183 | the style of quotes surrounding the character to be printed. | |
2184 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2185 | escapes across calls. */ | |
2186 | ||
2187 | static void | |
2188 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2189 | int orig_len, int width, | |
2190 | enum bfd_endian byte_order, | |
2191 | struct obstack *output, | |
2192 | int quoter, int *need_escapep) | |
2193 | { | |
2194 | int need_escape = *need_escapep; | |
2195 | ||
2196 | *need_escapep = 0; | |
3b2b8fea | 2197 | |
95c64f92 YQ |
2198 | /* iswprint implementation on Windows returns 1 for tab character. |
2199 | In order to avoid different printout on this host, we explicitly | |
2200 | use wchar_printable function. */ | |
2201 | switch (w) | |
3b2b8fea | 2202 | { |
95c64f92 YQ |
2203 | case LCST ('\a'): |
2204 | obstack_grow_wstr (output, LCST ("\\a")); | |
2205 | break; | |
2206 | case LCST ('\b'): | |
2207 | obstack_grow_wstr (output, LCST ("\\b")); | |
2208 | break; | |
2209 | case LCST ('\f'): | |
2210 | obstack_grow_wstr (output, LCST ("\\f")); | |
2211 | break; | |
2212 | case LCST ('\n'): | |
2213 | obstack_grow_wstr (output, LCST ("\\n")); | |
2214 | break; | |
2215 | case LCST ('\r'): | |
2216 | obstack_grow_wstr (output, LCST ("\\r")); | |
2217 | break; | |
2218 | case LCST ('\t'): | |
2219 | obstack_grow_wstr (output, LCST ("\\t")); | |
2220 | break; | |
2221 | case LCST ('\v'): | |
2222 | obstack_grow_wstr (output, LCST ("\\v")); | |
2223 | break; | |
2224 | default: | |
3b2b8fea | 2225 | { |
95c64f92 YQ |
2226 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2227 | && w != LCST ('8') | |
2228 | && w != LCST ('9')))) | |
2229 | { | |
2230 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2231 | |
95c64f92 YQ |
2232 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2233 | obstack_grow_wstr (output, LCST ("\\")); | |
2234 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2235 | } | |
2236 | else | |
2237 | { | |
2238 | int i; | |
3b2b8fea | 2239 | |
95c64f92 YQ |
2240 | for (i = 0; i + width <= orig_len; i += width) |
2241 | { | |
2242 | char octal[30]; | |
2243 | ULONGEST value; | |
2244 | ||
2245 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2246 | byte_order); |
95c64f92 YQ |
2247 | /* If the value fits in 3 octal digits, print it that |
2248 | way. Otherwise, print it as a hex escape. */ | |
2249 | if (value <= 0777) | |
2250 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2251 | (int) (value & 0777)); | |
2252 | else | |
2253 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2254 | append_string_as_wide (octal, output); | |
2255 | } | |
2256 | /* If we somehow have extra bytes, print them now. */ | |
2257 | while (i < orig_len) | |
2258 | { | |
2259 | char octal[5]; | |
2260 | ||
2261 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2262 | append_string_as_wide (octal, output); | |
2263 | ++i; | |
2264 | } | |
2265 | ||
2266 | *need_escapep = 1; | |
2267 | } | |
3b2b8fea TT |
2268 | break; |
2269 | } | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | /* Print the character C on STREAM as part of the contents of a | |
2274 | literal string whose delimiter is QUOTER. ENCODING names the | |
2275 | encoding of C. */ | |
2276 | ||
2277 | void | |
2278 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2279 | int quoter, const char *encoding) | |
2280 | { | |
2281 | enum bfd_endian byte_order | |
34877895 | 2282 | = type_byte_order (type); |
b926417a | 2283 | gdb_byte *c_buf; |
3b2b8fea TT |
2284 | int need_escape = 0; |
2285 | ||
b926417a TT |
2286 | c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
2287 | pack_long (c_buf, type, c); | |
3b2b8fea | 2288 | |
b926417a | 2289 | wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2290 | |
2291 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2292 | auto_obstack wchar_buf; |
3b2b8fea TT |
2293 | |
2294 | while (1) | |
2295 | { | |
2296 | int num_chars; | |
2297 | gdb_wchar_t *chars; | |
2298 | const gdb_byte *buf; | |
2299 | size_t buflen; | |
2300 | int print_escape = 1; | |
2301 | enum wchar_iterate_result result; | |
2302 | ||
cda6c55b | 2303 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2304 | if (num_chars < 0) |
2305 | break; | |
2306 | if (num_chars > 0) | |
2307 | { | |
2308 | /* If all characters are printable, print them. Otherwise, | |
2309 | we're going to have to print an escape sequence. We | |
2310 | check all characters because we want to print the target | |
2311 | bytes in the escape sequence, and we don't know character | |
2312 | boundaries there. */ | |
2313 | int i; | |
2314 | ||
2315 | print_escape = 0; | |
2316 | for (i = 0; i < num_chars; ++i) | |
2317 | if (!wchar_printable (chars[i])) | |
2318 | { | |
2319 | print_escape = 1; | |
2320 | break; | |
2321 | } | |
2322 | ||
2323 | if (!print_escape) | |
2324 | { | |
2325 | for (i = 0; i < num_chars; ++i) | |
2326 | print_wchar (chars[i], buf, buflen, | |
2327 | TYPE_LENGTH (type), byte_order, | |
2328 | &wchar_buf, quoter, &need_escape); | |
2329 | } | |
2330 | } | |
2331 | ||
2332 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2333 | if (print_escape) | |
2334 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2335 | byte_order, &wchar_buf, quoter, &need_escape); | |
2336 | } | |
2337 | ||
2338 | /* The output in the host encoding. */ | |
8268c778 | 2339 | auto_obstack output; |
3b2b8fea TT |
2340 | |
2341 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2342 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2343 | obstack_object_size (&wchar_buf), |
fff10684 | 2344 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2345 | obstack_1grow (&output, '\0'); |
2346 | ||
79f33898 | 2347 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2348 | } |
2349 | ||
0d63ecda KS |
2350 | /* Return the repeat count of the next character/byte in ITER, |
2351 | storing the result in VEC. */ | |
2352 | ||
2353 | static int | |
cda6c55b | 2354 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2355 | std::vector<converted_character> *vec) |
0d63ecda KS |
2356 | { |
2357 | struct converted_character *current; | |
2358 | ||
b01ba14d | 2359 | if (vec->empty ()) |
0d63ecda KS |
2360 | { |
2361 | struct converted_character tmp; | |
2362 | gdb_wchar_t *chars; | |
2363 | ||
2364 | tmp.num_chars | |
cda6c55b | 2365 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2366 | if (tmp.num_chars > 0) |
2367 | { | |
2368 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2369 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2370 | } | |
b01ba14d | 2371 | vec->push_back (tmp); |
0d63ecda KS |
2372 | } |
2373 | ||
b01ba14d | 2374 | current = &vec->back (); |
0d63ecda KS |
2375 | |
2376 | /* Count repeated characters or bytes. */ | |
2377 | current->repeat_count = 1; | |
2378 | if (current->num_chars == -1) | |
2379 | { | |
2380 | /* EOF */ | |
2381 | return -1; | |
2382 | } | |
2383 | else | |
2384 | { | |
2385 | gdb_wchar_t *chars; | |
2386 | struct converted_character d; | |
2387 | int repeat; | |
2388 | ||
2389 | d.repeat_count = 0; | |
2390 | ||
2391 | while (1) | |
2392 | { | |
2393 | /* Get the next character. */ | |
cda6c55b | 2394 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2395 | |
2396 | /* If a character was successfully converted, save the character | |
2397 | into the converted character. */ | |
2398 | if (d.num_chars > 0) | |
2399 | { | |
2400 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2401 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2402 | } | |
2403 | ||
2404 | /* Determine if the current character is the same as this | |
2405 | new character. */ | |
2406 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2407 | { | |
2408 | /* There are two cases to consider: | |
2409 | ||
2410 | 1) Equality of converted character (num_chars > 0) | |
2411 | 2) Equality of non-converted character (num_chars == 0) */ | |
2412 | if ((current->num_chars > 0 | |
2413 | && memcmp (current->chars, d.chars, | |
2414 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2415 | || (current->num_chars == 0 | |
2416 | && current->buflen == d.buflen | |
2417 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2418 | ++current->repeat_count; | |
2419 | else | |
2420 | break; | |
2421 | } | |
2422 | else | |
2423 | break; | |
2424 | } | |
2425 | ||
2426 | /* Push this next converted character onto the result vector. */ | |
2427 | repeat = current->repeat_count; | |
b01ba14d | 2428 | vec->push_back (d); |
0d63ecda KS |
2429 | return repeat; |
2430 | } | |
2431 | } | |
2432 | ||
2433 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2434 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2435 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2436 | is the user's print options. */ |
2437 | ||
2438 | static void | |
2439 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2440 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2441 | int quote_char, int width, |
2442 | enum bfd_endian byte_order, | |
2443 | const struct value_print_options *options) | |
2444 | { | |
2445 | unsigned int idx; | |
b01ba14d | 2446 | const converted_character *elem; |
0d63ecda KS |
2447 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2448 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2449 | int need_escape = 0; | |
2450 | ||
2451 | /* Set the start state. */ | |
2452 | idx = 0; | |
2453 | last = state = START; | |
2454 | elem = NULL; | |
2455 | ||
2456 | while (1) | |
2457 | { | |
2458 | switch (state) | |
2459 | { | |
2460 | case START: | |
2461 | /* Nothing to do. */ | |
2462 | break; | |
2463 | ||
2464 | case SINGLE: | |
2465 | { | |
2466 | int j; | |
2467 | ||
2468 | /* We are outputting a single character | |
2469 | (< options->repeat_count_threshold). */ | |
2470 | ||
2471 | if (last != SINGLE) | |
2472 | { | |
2473 | /* We were outputting some other type of content, so we | |
2474 | must output and a comma and a quote. */ | |
2475 | if (last != START) | |
2476 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2477 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2478 | } | |
2479 | /* Output the character. */ | |
2480 | for (j = 0; j < elem->repeat_count; ++j) | |
2481 | { | |
2482 | if (elem->result == wchar_iterate_ok) | |
2483 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2484 | byte_order, obstack, quote_char, &need_escape); | |
2485 | else | |
2486 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2487 | byte_order, obstack, quote_char, &need_escape); | |
2488 | } | |
2489 | } | |
2490 | break; | |
2491 | ||
2492 | case REPEAT: | |
2493 | { | |
2494 | int j; | |
0d63ecda KS |
2495 | |
2496 | /* We are outputting a character with a repeat count | |
2497 | greater than options->repeat_count_threshold. */ | |
2498 | ||
2499 | if (last == SINGLE) | |
2500 | { | |
2501 | /* We were outputting a single string. Terminate the | |
2502 | string. */ | |
0d63ecda KS |
2503 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2504 | } | |
2505 | if (last != START) | |
2506 | obstack_grow_wstr (obstack, LCST (", ")); | |
2507 | ||
2508 | /* Output the character and repeat string. */ | |
2509 | obstack_grow_wstr (obstack, LCST ("'")); | |
2510 | if (elem->result == wchar_iterate_ok) | |
2511 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2512 | byte_order, obstack, quote_char, &need_escape); | |
2513 | else | |
2514 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2515 | byte_order, obstack, quote_char, &need_escape); | |
2516 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2517 | std::string s = string_printf (_(" <repeats %u times>"), |
2518 | elem->repeat_count); | |
0d63ecda KS |
2519 | for (j = 0; s[j]; ++j) |
2520 | { | |
2521 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2522 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2523 | } | |
0d63ecda KS |
2524 | } |
2525 | break; | |
2526 | ||
2527 | case INCOMPLETE: | |
2528 | /* We are outputting an incomplete sequence. */ | |
2529 | if (last == SINGLE) | |
2530 | { | |
2531 | /* If we were outputting a string of SINGLE characters, | |
2532 | terminate the quote. */ | |
0d63ecda KS |
2533 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2534 | } | |
2535 | if (last != START) | |
2536 | obstack_grow_wstr (obstack, LCST (", ")); | |
2537 | ||
2538 | /* Output the incomplete sequence string. */ | |
2539 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2540 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2541 | obstack, 0, &need_escape); | |
2542 | obstack_grow_wstr (obstack, LCST (">")); | |
2543 | ||
85102364 | 2544 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
2545 | state = FINISH; |
2546 | break; | |
2547 | ||
2548 | case FINISH: | |
2549 | /* All done. If we were outputting a string of SINGLE | |
2550 | characters, the string must be terminated. Otherwise, | |
2551 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2552 | if (last == SINGLE) | |
e93a8774 | 2553 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2554 | |
2555 | return; | |
2556 | } | |
2557 | ||
2558 | /* Get the next element and state. */ | |
2559 | last = state; | |
2560 | if (state != FINISH) | |
2561 | { | |
b01ba14d | 2562 | elem = &chars[idx++]; |
0d63ecda KS |
2563 | switch (elem->result) |
2564 | { | |
2565 | case wchar_iterate_ok: | |
2566 | case wchar_iterate_invalid: | |
2567 | if (elem->repeat_count > options->repeat_count_threshold) | |
2568 | state = REPEAT; | |
2569 | else | |
2570 | state = SINGLE; | |
2571 | break; | |
2572 | ||
2573 | case wchar_iterate_incomplete: | |
2574 | state = INCOMPLETE; | |
2575 | break; | |
2576 | ||
2577 | case wchar_iterate_eof: | |
2578 | state = FINISH; | |
2579 | break; | |
2580 | } | |
2581 | } | |
2582 | } | |
2583 | } | |
2584 | ||
3b2b8fea TT |
2585 | /* Print the character string STRING, printing at most LENGTH |
2586 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2587 | the type of each character. OPTIONS holds the printing options; | |
2588 | printing stops early if the number hits print_max; repeat counts | |
2589 | are printed as appropriate. Print ellipses at the end if we had to | |
2590 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2591 | QUOTE_CHAR is the character to print at each end of the string. If | |
2592 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2593 | omitted. */ | |
2594 | ||
2595 | void | |
2596 | generic_printstr (struct ui_file *stream, struct type *type, | |
2597 | const gdb_byte *string, unsigned int length, | |
2598 | const char *encoding, int force_ellipses, | |
2599 | int quote_char, int c_style_terminator, | |
2600 | const struct value_print_options *options) | |
2601 | { | |
34877895 | 2602 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 2603 | unsigned int i; |
3b2b8fea | 2604 | int width = TYPE_LENGTH (type); |
3b2b8fea | 2605 | int finished = 0; |
0d63ecda | 2606 | struct converted_character *last; |
3b2b8fea TT |
2607 | |
2608 | if (length == -1) | |
2609 | { | |
2610 | unsigned long current_char = 1; | |
2611 | ||
2612 | for (i = 0; current_char; ++i) | |
2613 | { | |
2614 | QUIT; | |
2615 | current_char = extract_unsigned_integer (string + i * width, | |
2616 | width, byte_order); | |
2617 | } | |
2618 | length = i; | |
2619 | } | |
2620 | ||
2621 | /* If the string was not truncated due to `set print elements', and | |
2622 | the last byte of it is a null, we don't print that, in | |
2623 | traditional C style. */ | |
2624 | if (c_style_terminator | |
2625 | && !force_ellipses | |
2626 | && length > 0 | |
2627 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2628 | width, byte_order) == 0)) | |
2629 | length--; | |
2630 | ||
2631 | if (length == 0) | |
2632 | { | |
2633 | fputs_filtered ("\"\"", stream); | |
2634 | return; | |
2635 | } | |
2636 | ||
2637 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2638 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2639 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2640 | |
0d63ecda KS |
2641 | /* Convert characters until the string is over or the maximum |
2642 | number of printed characters has been reached. */ | |
2643 | i = 0; | |
2644 | while (i < options->print_max) | |
3b2b8fea | 2645 | { |
0d63ecda | 2646 | int r; |
3b2b8fea TT |
2647 | |
2648 | QUIT; | |
2649 | ||
0d63ecda | 2650 | /* Grab the next character and repeat count. */ |
cda6c55b | 2651 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2652 | |
0d63ecda KS |
2653 | /* If less than zero, the end of the input string was reached. */ |
2654 | if (r < 0) | |
2655 | break; | |
3b2b8fea | 2656 | |
0d63ecda KS |
2657 | /* Otherwise, add the count to the total print count and get |
2658 | the next character. */ | |
2659 | i += r; | |
2660 | } | |
3b2b8fea | 2661 | |
0d63ecda KS |
2662 | /* Get the last element and determine if the entire string was |
2663 | processed. */ | |
b01ba14d | 2664 | last = &converted_chars.back (); |
0d63ecda | 2665 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2666 | |
0d63ecda KS |
2667 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2668 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2669 | |
0d63ecda KS |
2670 | /* WCHAR_BUF is the obstack we use to represent the string in |
2671 | wchar_t form. */ | |
8268c778 | 2672 | auto_obstack wchar_buf; |
3b2b8fea | 2673 | |
0d63ecda KS |
2674 | /* Print the output string to the obstack. */ |
2675 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2676 | width, byte_order, options); | |
3b2b8fea TT |
2677 | |
2678 | if (force_ellipses || !finished) | |
2679 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2680 | ||
2681 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2682 | auto_obstack output; |
3b2b8fea TT |
2683 | |
2684 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2685 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2686 | obstack_object_size (&wchar_buf), |
fff10684 | 2687 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2688 | obstack_1grow (&output, '\0'); |
2689 | ||
79f33898 | 2690 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2691 | } |
2692 | ||
ae6a3a4c TJB |
2693 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2694 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2695 | stops at the first null byte, otherwise printing proceeds (including null | |
2696 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2697 | whichever is smaller. ENCODING is the name of the string's |
2698 | encoding. It can be NULL, in which case the target encoding is | |
2699 | assumed. */ | |
ae6a3a4c TJB |
2700 | |
2701 | int | |
09ca9e2e TT |
2702 | val_print_string (struct type *elttype, const char *encoding, |
2703 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2704 | struct ui_file *stream, |
ae6a3a4c TJB |
2705 | const struct value_print_options *options) |
2706 | { | |
2707 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2708 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2709 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2710 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2711 | int bytes_read; | |
b4be9fad | 2712 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
5af949e3 | 2713 | struct gdbarch *gdbarch = get_type_arch (elttype); |
34877895 | 2714 | enum bfd_endian byte_order = type_byte_order (elttype); |
6c7a06a3 | 2715 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2716 | |
2717 | /* First we need to figure out the limit on the number of characters we are | |
2718 | going to attempt to fetch and print. This is actually pretty simple. If | |
2719 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2720 | LEN is -1, then the limit is print_max. This is true regardless of | |
2721 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2722 | because finding the null byte (or available memory) is what actually | |
2723 | limits the fetch. */ | |
2724 | ||
325fac50 PA |
2725 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2726 | options->print_max)); | |
ae6a3a4c | 2727 | |
d09f2c3f PA |
2728 | err = read_string (addr, len, width, fetchlimit, byte_order, |
2729 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2730 | |
2731 | addr += bytes_read; | |
c906108c | 2732 | |
3e43a32a MS |
2733 | /* We now have either successfully filled the buffer to fetchlimit, |
2734 | or terminated early due to an error or finding a null char when | |
2735 | LEN is -1. */ | |
ae6a3a4c TJB |
2736 | |
2737 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2738 | found_nul = 0; |
2739 | if (bytes_read >= width) | |
b4be9fad TT |
2740 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2741 | width, byte_order) == 0; | |
c906108c SS |
2742 | if (len == -1 && !found_nul) |
2743 | { | |
777ea8f1 | 2744 | gdb_byte *peekbuf; |
c906108c | 2745 | |
ae6a3a4c | 2746 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
2747 | to peek at the next character. If not successful, or it is not |
2748 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2749 | |
777ea8f1 | 2750 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2751 | |
2752 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2753 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2754 | force_ellipsis = 1; |
2755 | } | |
d09f2c3f | 2756 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2757 | { |
2758 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 2759 | than the number of characters actually requested, always make us |
ae6a3a4c | 2760 | print ellipsis. */ |
c906108c SS |
2761 | force_ellipsis = 1; |
2762 | } | |
2763 | ||
c906108c SS |
2764 | /* If we get an error before fetching anything, don't print a string. |
2765 | But if we fetch something and then get an error, print the string | |
2766 | and then the error message. */ | |
d09f2c3f | 2767 | if (err == 0 || bytes_read > 0) |
c906108c | 2768 | { |
b4be9fad | 2769 | LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width, |
3a772aa4 | 2770 | encoding, force_ellipsis, options); |
c906108c SS |
2771 | } |
2772 | ||
d09f2c3f | 2773 | if (err != 0) |
c906108c | 2774 | { |
1ccbe998 | 2775 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 2776 | |
2dbc041e TT |
2777 | fprintf_filtered (stream, _("<error: %ps>"), |
2778 | styled_string (metadata_style.style (), | |
2779 | str.c_str ())); | |
c906108c | 2780 | } |
ae6a3a4c | 2781 | |
ae6a3a4c | 2782 | return (bytes_read / width); |
c906108c | 2783 | } |
2e62ab40 AB |
2784 | |
2785 | /* Handle 'show print max-depth'. */ | |
2786 | ||
2787 | static void | |
2788 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2789 | struct cmd_list_element *c, const char *value) | |
2790 | { | |
2791 | fprintf_filtered (file, _("Maximum print depth is %s.\n"), value); | |
2792 | } | |
c906108c | 2793 | \f |
c5aa993b | 2794 | |
09e6485f PA |
2795 | /* The 'set input-radix' command writes to this auxiliary variable. |
2796 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2797 | it is left unchanged. */ | |
2798 | ||
2799 | static unsigned input_radix_1 = 10; | |
2800 | ||
c906108c SS |
2801 | /* Validate an input or output radix setting, and make sure the user |
2802 | knows what they really did here. Radix setting is confusing, e.g. | |
2803 | setting the input radix to "10" never changes it! */ | |
2804 | ||
c906108c | 2805 | static void |
eb4c3f4a | 2806 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2807 | { |
09e6485f | 2808 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2809 | } |
2810 | ||
c906108c | 2811 | static void |
fba45db2 | 2812 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2813 | { |
2814 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2815 | make any mathematical sense. In theory, we can deal with any input | |
2816 | radix greater than 1, even if we don't have unique digits for every | |
2817 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2818 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2819 | (FIXME). */ |
c906108c SS |
2820 | |
2821 | if (radix < 2) | |
2822 | { | |
09e6485f | 2823 | input_radix_1 = input_radix; |
8a3fe4f8 | 2824 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2825 | radix); |
2826 | } | |
09e6485f | 2827 | input_radix_1 = input_radix = radix; |
c906108c SS |
2828 | if (from_tty) |
2829 | { | |
3e43a32a MS |
2830 | printf_filtered (_("Input radix now set to " |
2831 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2832 | radix, radix, radix); |
2833 | } | |
2834 | } | |
2835 | ||
09e6485f PA |
2836 | /* The 'set output-radix' command writes to this auxiliary variable. |
2837 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2838 | otherwise, it is left unchanged. */ | |
2839 | ||
2840 | static unsigned output_radix_1 = 10; | |
2841 | ||
c906108c | 2842 | static void |
eb4c3f4a | 2843 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2844 | { |
09e6485f | 2845 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2846 | } |
2847 | ||
2848 | static void | |
fba45db2 | 2849 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2850 | { |
2851 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2852 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2853 | switch (radix) |
2854 | { | |
2855 | case 16: | |
79a45b7d | 2856 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2857 | break; |
2858 | case 10: | |
79a45b7d | 2859 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2860 | break; |
2861 | case 8: | |
79a45b7d | 2862 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2863 | break; |
2864 | default: | |
09e6485f | 2865 | output_radix_1 = output_radix; |
3e43a32a MS |
2866 | error (_("Unsupported output radix ``decimal %u''; " |
2867 | "output radix unchanged."), | |
c906108c SS |
2868 | radix); |
2869 | } | |
09e6485f | 2870 | output_radix_1 = output_radix = radix; |
c906108c SS |
2871 | if (from_tty) |
2872 | { | |
3e43a32a MS |
2873 | printf_filtered (_("Output radix now set to " |
2874 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2875 | radix, radix, radix); |
2876 | } | |
2877 | } | |
2878 | ||
2879 | /* Set both the input and output radix at once. Try to set the output radix | |
2880 | first, since it has the most restrictive range. An radix that is valid as | |
2881 | an output radix is also valid as an input radix. | |
2882 | ||
2883 | It may be useful to have an unusual input radix. If the user wishes to | |
2884 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2885 | the 'set input-radix' command. */ |
c906108c SS |
2886 | |
2887 | static void | |
b0a8e6c4 | 2888 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2889 | { |
2890 | unsigned radix; | |
2891 | ||
bb518678 | 2892 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2893 | set_output_radix_1 (0, radix); |
2894 | set_input_radix_1 (0, radix); | |
2895 | if (from_tty) | |
2896 | { | |
3e43a32a MS |
2897 | printf_filtered (_("Input and output radices now set to " |
2898 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2899 | radix, radix, radix); |
2900 | } | |
2901 | } | |
2902 | ||
581e13c1 | 2903 | /* Show both the input and output radices. */ |
c906108c | 2904 | |
c906108c | 2905 | static void |
b0a8e6c4 | 2906 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2907 | { |
2908 | if (from_tty) | |
2909 | { | |
2910 | if (input_radix == output_radix) | |
2911 | { | |
3e43a32a MS |
2912 | printf_filtered (_("Input and output radices set to " |
2913 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2914 | input_radix, input_radix, input_radix); |
2915 | } | |
2916 | else | |
2917 | { | |
3e43a32a MS |
2918 | printf_filtered (_("Input radix set to decimal " |
2919 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2920 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2921 | printf_filtered (_("Output radix set to decimal " |
2922 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2923 | output_radix, output_radix, output_radix); |
2924 | } | |
2925 | } | |
2926 | } | |
c906108c | 2927 | \f |
c5aa993b | 2928 | |
7d8062de PA |
2929 | /* Controls printing of vtbl's. */ |
2930 | static void | |
2931 | show_vtblprint (struct ui_file *file, int from_tty, | |
2932 | struct cmd_list_element *c, const char *value) | |
2933 | { | |
2934 | fprintf_filtered (file, _("\ | |
2935 | Printing of C++ virtual function tables is %s.\n"), | |
2936 | value); | |
2937 | } | |
2938 | ||
2939 | /* Controls looking up an object's derived type using what we find in | |
2940 | its vtables. */ | |
2941 | static void | |
2942 | show_objectprint (struct ui_file *file, int from_tty, | |
2943 | struct cmd_list_element *c, | |
2944 | const char *value) | |
2945 | { | |
2946 | fprintf_filtered (file, _("\ | |
2947 | Printing of object's derived type based on vtable info is %s.\n"), | |
2948 | value); | |
2949 | } | |
2950 | ||
2951 | static void | |
2952 | show_static_field_print (struct ui_file *file, int from_tty, | |
2953 | struct cmd_list_element *c, | |
2954 | const char *value) | |
2955 | { | |
2956 | fprintf_filtered (file, | |
2957 | _("Printing of C++ static members is %s.\n"), | |
2958 | value); | |
2959 | } | |
2960 | ||
c906108c | 2961 | \f |
7d8062de PA |
2962 | |
2963 | /* A couple typedefs to make writing the options a bit more | |
2964 | convenient. */ | |
2965 | using boolean_option_def | |
2966 | = gdb::option::boolean_option_def<value_print_options>; | |
2967 | using uinteger_option_def | |
2968 | = gdb::option::uinteger_option_def<value_print_options>; | |
2969 | using zuinteger_unlimited_option_def | |
2970 | = gdb::option::zuinteger_unlimited_option_def<value_print_options>; | |
2971 | ||
85102364 | 2972 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
2973 | commands. */ |
2974 | static const gdb::option::option_def value_print_option_defs[] = { | |
2975 | ||
2976 | boolean_option_def { | |
2977 | "address", | |
2978 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
2979 | show_addressprint, /* show_cmd_cb */ | |
2980 | N_("Set printing of addresses."), | |
2981 | N_("Show printing of addresses."), | |
2982 | NULL, /* help_doc */ | |
2983 | }, | |
2984 | ||
2985 | boolean_option_def { | |
2986 | "array", | |
2987 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
2988 | show_prettyformat_arrays, /* show_cmd_cb */ | |
2989 | N_("Set pretty formatting of arrays."), | |
2990 | N_("Show pretty formatting of arrays."), | |
2991 | NULL, /* help_doc */ | |
2992 | }, | |
2993 | ||
2994 | boolean_option_def { | |
2995 | "array-indexes", | |
2996 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
2997 | show_print_array_indexes, /* show_cmd_cb */ | |
2998 | N_("Set printing of array indexes."), | |
590042fc | 2999 | N_("Show printing of array indexes."), |
7d8062de PA |
3000 | NULL, /* help_doc */ |
3001 | }, | |
3002 | ||
3003 | uinteger_option_def { | |
3004 | "elements", | |
3005 | [] (value_print_options *opt) { return &opt->print_max; }, | |
3006 | show_print_max, /* show_cmd_cb */ | |
3007 | N_("Set limit on string chars or array elements to print."), | |
3008 | N_("Show limit on string chars or array elements to print."), | |
3009 | N_("\"unlimited\" causes there to be no limit."), | |
3010 | }, | |
3011 | ||
3012 | zuinteger_unlimited_option_def { | |
3013 | "max-depth", | |
3014 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
3015 | show_print_max_depth, /* show_cmd_cb */ | |
3016 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
3017 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
3018 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
3019 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
3020 | Use \"unlimited\" to print the complete structure.") | |
3021 | }, | |
3022 | ||
3023 | boolean_option_def { | |
3024 | "null-stop", | |
3025 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
3026 | show_stop_print_at_null, /* show_cmd_cb */ | |
3027 | N_("Set printing of char arrays to stop at first null char."), | |
3028 | N_("Show printing of char arrays to stop at first null char."), | |
3029 | NULL, /* help_doc */ | |
3030 | }, | |
3031 | ||
3032 | boolean_option_def { | |
3033 | "object", | |
3034 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
3035 | show_objectprint, /* show_cmd_cb */ | |
3036 | _("Set printing of C++ virtual function tables."), | |
3037 | _("Show printing of C++ virtual function tables."), | |
3038 | NULL, /* help_doc */ | |
3039 | }, | |
3040 | ||
3041 | boolean_option_def { | |
3042 | "pretty", | |
3043 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
3044 | show_prettyformat_structs, /* show_cmd_cb */ | |
3045 | N_("Set pretty formatting of structures."), | |
3046 | N_("Show pretty formatting of structures."), | |
3047 | NULL, /* help_doc */ | |
3048 | }, | |
3049 | ||
d8edc8b7 PW |
3050 | boolean_option_def { |
3051 | "raw-values", | |
3052 | [] (value_print_options *opt) { return &opt->raw; }, | |
3053 | NULL, /* show_cmd_cb */ | |
3054 | N_("Set whether to print values in raw form."), | |
3055 | N_("Show whether to print values in raw form."), | |
3056 | N_("If set, values are printed in raw form, bypassing any\n\ | |
3057 | pretty-printers for that value.") | |
3058 | }, | |
3059 | ||
7d8062de PA |
3060 | uinteger_option_def { |
3061 | "repeats", | |
3062 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
3063 | show_repeat_count_threshold, /* show_cmd_cb */ | |
3064 | N_("Set threshold for repeated print elements."), | |
3065 | N_("Show threshold for repeated print elements."), | |
3066 | N_("\"unlimited\" causes all elements to be individually printed."), | |
3067 | }, | |
3068 | ||
3069 | boolean_option_def { | |
3070 | "static-members", | |
3071 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
3072 | show_static_field_print, /* show_cmd_cb */ | |
3073 | N_("Set printing of C++ static members."), | |
3074 | N_("Show printing of C++ static members."), | |
3075 | NULL, /* help_doc */ | |
3076 | }, | |
3077 | ||
3078 | boolean_option_def { | |
3079 | "symbol", | |
3080 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
3081 | show_symbol_print, /* show_cmd_cb */ | |
3082 | N_("Set printing of symbol names when printing pointers."), | |
3083 | N_("Show printing of symbol names when printing pointers."), | |
3084 | NULL, /* help_doc */ | |
3085 | }, | |
3086 | ||
3087 | boolean_option_def { | |
3088 | "union", | |
3089 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
3090 | show_unionprint, /* show_cmd_cb */ | |
3091 | N_("Set printing of unions interior to structures."), | |
3092 | N_("Show printing of unions interior to structures."), | |
3093 | NULL, /* help_doc */ | |
3094 | }, | |
3095 | ||
3096 | boolean_option_def { | |
3097 | "vtbl", | |
3098 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3099 | show_vtblprint, /* show_cmd_cb */ | |
3100 | N_("Set printing of C++ virtual function tables."), | |
3101 | N_("Show printing of C++ virtual function tables."), | |
3102 | NULL, /* help_doc */ | |
3103 | }, | |
3104 | }; | |
3105 | ||
3106 | /* See valprint.h. */ | |
3107 | ||
3108 | gdb::option::option_def_group | |
3109 | make_value_print_options_def_group (value_print_options *opts) | |
3110 | { | |
3111 | return {{value_print_option_defs}, opts}; | |
3112 | } | |
3113 | ||
6c265988 | 3114 | void _initialize_valprint (); |
c906108c | 3115 | void |
6c265988 | 3116 | _initialize_valprint () |
c906108c | 3117 | { |
2daf894e PA |
3118 | cmd_list_element *cmd; |
3119 | ||
0743fc83 TT |
3120 | add_basic_prefix_cmd ("print", no_class, |
3121 | _("Generic command for setting how things print."), | |
3122 | &setprintlist, "set print ", 0, &setlist); | |
c5aa993b | 3123 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3124 | /* Prefer set print to set prompt. */ |
c906108c SS |
3125 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3126 | ||
0743fc83 TT |
3127 | add_show_prefix_cmd ("print", no_class, |
3128 | _("Generic command for showing print settings."), | |
3129 | &showprintlist, "show print ", 0, &showlist); | |
c5aa993b JM |
3130 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3131 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3132 | |
0743fc83 TT |
3133 | cmd = add_basic_prefix_cmd ("raw", no_class, |
3134 | _("\ | |
e7045703 | 3135 | Generic command for setting what things to print in \"raw\" mode."), |
0743fc83 TT |
3136 | &setprintrawlist, "set print raw ", 0, |
3137 | &setprintlist); | |
2daf894e PA |
3138 | deprecate_cmd (cmd, nullptr); |
3139 | ||
0743fc83 TT |
3140 | cmd = add_show_prefix_cmd ("raw", no_class, |
3141 | _("Generic command for showing \"print raw\" settings."), | |
3142 | &showprintrawlist, "show print raw ", 0, | |
3143 | &showprintlist); | |
2daf894e | 3144 | deprecate_cmd (cmd, nullptr); |
e7045703 | 3145 | |
7d8062de PA |
3146 | gdb::option::add_setshow_cmds_for_options |
3147 | (class_support, &user_print_options, value_print_option_defs, | |
3148 | &setprintlist, &showprintlist); | |
9cb709b6 | 3149 | |
1e8fb976 PA |
3150 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3151 | _("\ | |
35096d9d AC |
3152 | Set default input radix for entering numbers."), _("\ |
3153 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3154 | set_input_radix, |
3155 | show_input_radix, | |
3156 | &setlist, &showlist); | |
35096d9d | 3157 | |
1e8fb976 PA |
3158 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3159 | _("\ | |
35096d9d AC |
3160 | Set default output radix for printing of values."), _("\ |
3161 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3162 | set_output_radix, |
3163 | show_output_radix, | |
3164 | &setlist, &showlist); | |
c906108c | 3165 | |
cb1a6d5f AC |
3166 | /* The "set radix" and "show radix" commands are special in that |
3167 | they are like normal set and show commands but allow two normally | |
3168 | independent variables to be either set or shown with a single | |
b66df561 | 3169 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3170 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3171 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3172 | longer true - show can display anything. */ | |
1a966eab AC |
3173 | add_cmd ("radix", class_support, set_radix, _("\ |
3174 | Set default input and output number radices.\n\ | |
c906108c | 3175 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3176 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3177 | &setlist); |
1a966eab AC |
3178 | add_cmd ("radix", class_support, show_radix, _("\ |
3179 | Show the default input and output number radices.\n\ | |
3180 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3181 | &showlist); |
c906108c | 3182 | } |