Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
6aba47ca | 3 | Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, |
0fb0cc75 | 4 | 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, |
4c38e0a4 | 5 | 2009, 2010 Free Software Foundation, Inc. |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "gdb_string.h" | |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "value.h" | |
27 | #include "gdbcore.h" | |
28 | #include "gdbcmd.h" | |
29 | #include "target.h" | |
c906108c | 30 | #include "language.h" |
c906108c SS |
31 | #include "annotate.h" |
32 | #include "valprint.h" | |
39424bef | 33 | #include "floatformat.h" |
d16aafd8 | 34 | #include "doublest.h" |
19ca80ba | 35 | #include "exceptions.h" |
7678ef8f | 36 | #include "dfp.h" |
a6bac58e | 37 | #include "python/python.h" |
0c3acc09 | 38 | #include "ada-lang.h" |
c906108c SS |
39 | |
40 | #include <errno.h> | |
41 | ||
42 | /* Prototypes for local functions */ | |
43 | ||
777ea8f1 | 44 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
917317f4 JM |
45 | int len, int *errnoptr); |
46 | ||
a14ed312 | 47 | static void show_print (char *, int); |
c906108c | 48 | |
a14ed312 | 49 | static void set_print (char *, int); |
c906108c | 50 | |
a14ed312 | 51 | static void set_radix (char *, int); |
c906108c | 52 | |
a14ed312 | 53 | static void show_radix (char *, int); |
c906108c | 54 | |
a14ed312 | 55 | static void set_input_radix (char *, int, struct cmd_list_element *); |
c906108c | 56 | |
a14ed312 | 57 | static void set_input_radix_1 (int, unsigned); |
c906108c | 58 | |
a14ed312 | 59 | static void set_output_radix (char *, int, struct cmd_list_element *); |
c906108c | 60 | |
a14ed312 | 61 | static void set_output_radix_1 (int, unsigned); |
c906108c | 62 | |
a14ed312 | 63 | void _initialize_valprint (void); |
c906108c | 64 | |
c906108c | 65 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
79a45b7d TT |
66 | |
67 | struct value_print_options user_print_options = | |
68 | { | |
69 | Val_pretty_default, /* pretty */ | |
70 | 0, /* prettyprint_arrays */ | |
71 | 0, /* prettyprint_structs */ | |
72 | 0, /* vtblprint */ | |
73 | 1, /* unionprint */ | |
74 | 1, /* addressprint */ | |
75 | 0, /* objectprint */ | |
76 | PRINT_MAX_DEFAULT, /* print_max */ | |
77 | 10, /* repeat_count_threshold */ | |
78 | 0, /* output_format */ | |
79 | 0, /* format */ | |
80 | 0, /* stop_print_at_null */ | |
81 | 0, /* inspect_it */ | |
82 | 0, /* print_array_indexes */ | |
83 | 0, /* deref_ref */ | |
84 | 1, /* static_field_print */ | |
a6bac58e TT |
85 | 1, /* pascal_static_field_print */ |
86 | 0, /* raw */ | |
87 | 0 /* summary */ | |
79a45b7d TT |
88 | }; |
89 | ||
90 | /* Initialize *OPTS to be a copy of the user print options. */ | |
91 | void | |
92 | get_user_print_options (struct value_print_options *opts) | |
93 | { | |
94 | *opts = user_print_options; | |
95 | } | |
96 | ||
97 | /* Initialize *OPTS to be a copy of the user print options, but with | |
98 | pretty-printing disabled. */ | |
99 | void | |
100 | get_raw_print_options (struct value_print_options *opts) | |
101 | { | |
102 | *opts = user_print_options; | |
103 | opts->pretty = Val_no_prettyprint; | |
104 | } | |
105 | ||
106 | /* Initialize *OPTS to be a copy of the user print options, but using | |
107 | FORMAT as the formatting option. */ | |
108 | void | |
109 | get_formatted_print_options (struct value_print_options *opts, | |
110 | char format) | |
111 | { | |
112 | *opts = user_print_options; | |
113 | opts->format = format; | |
114 | } | |
115 | ||
920d2a44 AC |
116 | static void |
117 | show_print_max (struct ui_file *file, int from_tty, | |
118 | struct cmd_list_element *c, const char *value) | |
119 | { | |
120 | fprintf_filtered (file, _("\ | |
121 | Limit on string chars or array elements to print is %s.\n"), | |
122 | value); | |
123 | } | |
124 | ||
c906108c SS |
125 | |
126 | /* Default input and output radixes, and output format letter. */ | |
127 | ||
128 | unsigned input_radix = 10; | |
920d2a44 AC |
129 | static void |
130 | show_input_radix (struct ui_file *file, int from_tty, | |
131 | struct cmd_list_element *c, const char *value) | |
132 | { | |
133 | fprintf_filtered (file, _("\ | |
134 | Default input radix for entering numbers is %s.\n"), | |
135 | value); | |
136 | } | |
137 | ||
c906108c | 138 | unsigned output_radix = 10; |
920d2a44 AC |
139 | static void |
140 | show_output_radix (struct ui_file *file, int from_tty, | |
141 | struct cmd_list_element *c, const char *value) | |
142 | { | |
143 | fprintf_filtered (file, _("\ | |
144 | Default output radix for printing of values is %s.\n"), | |
145 | value); | |
146 | } | |
c906108c | 147 | |
e79af960 JB |
148 | /* By default we print arrays without printing the index of each element in |
149 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
150 | ||
e79af960 JB |
151 | static void |
152 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
153 | struct cmd_list_element *c, const char *value) | |
154 | { | |
155 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
156 | } | |
157 | ||
c906108c SS |
158 | /* Print repeat counts if there are more than this many repetitions of an |
159 | element in an array. Referenced by the low level language dependent | |
160 | print routines. */ | |
161 | ||
920d2a44 AC |
162 | static void |
163 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
164 | struct cmd_list_element *c, const char *value) | |
165 | { | |
166 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
167 | value); | |
168 | } | |
c906108c SS |
169 | |
170 | /* If nonzero, stops printing of char arrays at first null. */ | |
171 | ||
920d2a44 AC |
172 | static void |
173 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
174 | struct cmd_list_element *c, const char *value) | |
175 | { | |
176 | fprintf_filtered (file, _("\ | |
177 | Printing of char arrays to stop at first null char is %s.\n"), | |
178 | value); | |
179 | } | |
c906108c SS |
180 | |
181 | /* Controls pretty printing of structures. */ | |
182 | ||
920d2a44 AC |
183 | static void |
184 | show_prettyprint_structs (struct ui_file *file, int from_tty, | |
185 | struct cmd_list_element *c, const char *value) | |
186 | { | |
187 | fprintf_filtered (file, _("Prettyprinting of structures is %s.\n"), value); | |
188 | } | |
c906108c SS |
189 | |
190 | /* Controls pretty printing of arrays. */ | |
191 | ||
920d2a44 AC |
192 | static void |
193 | show_prettyprint_arrays (struct ui_file *file, int from_tty, | |
194 | struct cmd_list_element *c, const char *value) | |
195 | { | |
196 | fprintf_filtered (file, _("Prettyprinting of arrays is %s.\n"), value); | |
197 | } | |
c906108c SS |
198 | |
199 | /* If nonzero, causes unions inside structures or other unions to be | |
200 | printed. */ | |
201 | ||
920d2a44 AC |
202 | static void |
203 | show_unionprint (struct ui_file *file, int from_tty, | |
204 | struct cmd_list_element *c, const char *value) | |
205 | { | |
206 | fprintf_filtered (file, _("\ | |
207 | Printing of unions interior to structures is %s.\n"), | |
208 | value); | |
209 | } | |
c906108c SS |
210 | |
211 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ | |
212 | ||
920d2a44 AC |
213 | static void |
214 | show_addressprint (struct ui_file *file, int from_tty, | |
215 | struct cmd_list_element *c, const char *value) | |
216 | { | |
217 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
218 | } | |
c906108c | 219 | \f |
c5aa993b | 220 | |
a6bac58e TT |
221 | /* A helper function for val_print. When printing in "summary" mode, |
222 | we want to print scalar arguments, but not aggregate arguments. | |
223 | This function distinguishes between the two. */ | |
224 | ||
225 | static int | |
226 | scalar_type_p (struct type *type) | |
227 | { | |
228 | CHECK_TYPEDEF (type); | |
229 | while (TYPE_CODE (type) == TYPE_CODE_REF) | |
230 | { | |
231 | type = TYPE_TARGET_TYPE (type); | |
232 | CHECK_TYPEDEF (type); | |
233 | } | |
234 | switch (TYPE_CODE (type)) | |
235 | { | |
236 | case TYPE_CODE_ARRAY: | |
237 | case TYPE_CODE_STRUCT: | |
238 | case TYPE_CODE_UNION: | |
239 | case TYPE_CODE_SET: | |
240 | case TYPE_CODE_STRING: | |
241 | case TYPE_CODE_BITSTRING: | |
242 | return 0; | |
243 | default: | |
244 | return 1; | |
245 | } | |
246 | } | |
247 | ||
0e03807e TT |
248 | /* Helper function to check the validity of some bits of a value. |
249 | ||
250 | If TYPE represents some aggregate type (e.g., a structure), return 1. | |
251 | ||
252 | Otherwise, any of the bytes starting at OFFSET and extending for | |
253 | TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and | |
254 | return 0. The checking is done using FUNCS. | |
255 | ||
256 | Otherwise, return 1. */ | |
257 | ||
258 | static int | |
259 | valprint_check_validity (struct ui_file *stream, | |
260 | struct type *type, | |
261 | int offset, | |
262 | const struct value *val) | |
263 | { | |
264 | CHECK_TYPEDEF (type); | |
265 | ||
266 | if (TYPE_CODE (type) != TYPE_CODE_UNION | |
267 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
268 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
269 | { | |
270 | if (! value_bits_valid (val, TARGET_CHAR_BIT * offset, | |
271 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
272 | { | |
273 | fprintf_filtered (stream, _("<value optimized out>")); | |
274 | return 0; | |
275 | } | |
8cf6f0b1 TT |
276 | |
277 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * offset, | |
278 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
279 | { | |
280 | fputs_filtered (_("<synthetic pointer>"), stream); | |
281 | return 0; | |
282 | } | |
0e03807e TT |
283 | } |
284 | ||
285 | return 1; | |
286 | } | |
287 | ||
d8ca156b JB |
288 | /* Print using the given LANGUAGE the data of type TYPE located at VALADDR |
289 | (within GDB), which came from the inferior at address ADDRESS, onto | |
79a45b7d | 290 | stdio stream STREAM according to OPTIONS. |
c906108c SS |
291 | |
292 | If the data are a string pointer, returns the number of string characters | |
293 | printed. | |
294 | ||
295 | FIXME: The data at VALADDR is in target byte order. If gdb is ever | |
296 | enhanced to be able to debug more than the single target it was compiled | |
297 | for (specific CPU type and thus specific target byte ordering), then | |
298 | either the print routines are going to have to take this into account, | |
299 | or the data is going to have to be passed into here already converted | |
300 | to the host byte ordering, whichever is more convenient. */ | |
301 | ||
302 | ||
303 | int | |
fc1a4b47 | 304 | val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 305 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 306 | const struct value *val, |
79a45b7d | 307 | const struct value_print_options *options, |
d8ca156b | 308 | const struct language_defn *language) |
c906108c | 309 | { |
19ca80ba DJ |
310 | volatile struct gdb_exception except; |
311 | int ret = 0; | |
79a45b7d | 312 | struct value_print_options local_opts = *options; |
c906108c | 313 | struct type *real_type = check_typedef (type); |
79a45b7d TT |
314 | |
315 | if (local_opts.pretty == Val_pretty_default) | |
316 | local_opts.pretty = (local_opts.prettyprint_structs | |
317 | ? Val_prettyprint : Val_no_prettyprint); | |
c5aa993b | 318 | |
c906108c SS |
319 | QUIT; |
320 | ||
321 | /* Ensure that the type is complete and not just a stub. If the type is | |
322 | only a stub and we can't find and substitute its complete type, then | |
323 | print appropriate string and return. */ | |
324 | ||
74a9bb82 | 325 | if (TYPE_STUB (real_type)) |
c906108c | 326 | { |
0e03807e | 327 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c SS |
328 | gdb_flush (stream); |
329 | return (0); | |
330 | } | |
c5aa993b | 331 | |
0e03807e TT |
332 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
333 | return 0; | |
334 | ||
a6bac58e TT |
335 | if (!options->raw) |
336 | { | |
337 | ret = apply_val_pretty_printer (type, valaddr, embedded_offset, | |
0e03807e TT |
338 | address, stream, recurse, |
339 | val, options, language); | |
a6bac58e TT |
340 | if (ret) |
341 | return ret; | |
342 | } | |
343 | ||
344 | /* Handle summary mode. If the value is a scalar, print it; | |
345 | otherwise, print an ellipsis. */ | |
346 | if (options->summary && !scalar_type_p (type)) | |
347 | { | |
348 | fprintf_filtered (stream, "..."); | |
349 | return 0; | |
350 | } | |
351 | ||
19ca80ba DJ |
352 | TRY_CATCH (except, RETURN_MASK_ERROR) |
353 | { | |
d8ca156b | 354 | ret = language->la_val_print (type, valaddr, embedded_offset, address, |
0e03807e TT |
355 | stream, recurse, val, |
356 | &local_opts); | |
19ca80ba DJ |
357 | } |
358 | if (except.reason < 0) | |
359 | fprintf_filtered (stream, _("<error reading variable>")); | |
360 | ||
361 | return ret; | |
c906108c SS |
362 | } |
363 | ||
806048c6 DJ |
364 | /* Check whether the value VAL is printable. Return 1 if it is; |
365 | return 0 and print an appropriate error message to STREAM if it | |
366 | is not. */ | |
c906108c | 367 | |
806048c6 DJ |
368 | static int |
369 | value_check_printable (struct value *val, struct ui_file *stream) | |
c906108c SS |
370 | { |
371 | if (val == 0) | |
372 | { | |
806048c6 | 373 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
374 | return 0; |
375 | } | |
806048c6 | 376 | |
0e03807e | 377 | if (value_entirely_optimized_out (val)) |
c906108c | 378 | { |
806048c6 | 379 | fprintf_filtered (stream, _("<value optimized out>")); |
c906108c SS |
380 | return 0; |
381 | } | |
806048c6 | 382 | |
bc3b79fd TJB |
383 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
384 | { | |
385 | fprintf_filtered (stream, _("<internal function %s>"), | |
386 | value_internal_function_name (val)); | |
387 | return 0; | |
388 | } | |
389 | ||
806048c6 DJ |
390 | return 1; |
391 | } | |
392 | ||
d8ca156b | 393 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 394 | to OPTIONS. |
806048c6 DJ |
395 | |
396 | If the data are a string pointer, returns the number of string characters | |
397 | printed. | |
398 | ||
399 | This is a preferable interface to val_print, above, because it uses | |
400 | GDB's value mechanism. */ | |
401 | ||
402 | int | |
79a45b7d TT |
403 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
404 | const struct value_print_options *options, | |
d8ca156b | 405 | const struct language_defn *language) |
806048c6 DJ |
406 | { |
407 | if (!value_check_printable (val, stream)) | |
408 | return 0; | |
409 | ||
0c3acc09 JB |
410 | if (language->la_language == language_ada) |
411 | /* The value might have a dynamic type, which would cause trouble | |
412 | below when trying to extract the value contents (since the value | |
413 | size is determined from the type size which is unknown). So | |
414 | get a fixed representation of our value. */ | |
415 | val = ada_to_fixed_value (val); | |
416 | ||
0e03807e | 417 | return val_print (value_type (val), value_contents_for_printing (val), |
42ae5230 | 418 | value_embedded_offset (val), value_address (val), |
0e03807e TT |
419 | stream, recurse, |
420 | val, options, language); | |
806048c6 DJ |
421 | } |
422 | ||
7348c5e1 JB |
423 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
424 | is printed using the current_language syntax. | |
425 | ||
426 | If the object printed is a string pointer, return the number of string | |
427 | bytes printed. */ | |
806048c6 DJ |
428 | |
429 | int | |
79a45b7d TT |
430 | value_print (struct value *val, struct ui_file *stream, |
431 | const struct value_print_options *options) | |
806048c6 DJ |
432 | { |
433 | if (!value_check_printable (val, stream)) | |
434 | return 0; | |
435 | ||
a6bac58e TT |
436 | if (!options->raw) |
437 | { | |
438 | int r = apply_val_pretty_printer (value_type (val), | |
0e03807e | 439 | value_contents_for_printing (val), |
a6bac58e TT |
440 | value_embedded_offset (val), |
441 | value_address (val), | |
0e03807e TT |
442 | stream, 0, |
443 | val, options, current_language); | |
a109c7c1 | 444 | |
a6bac58e TT |
445 | if (r) |
446 | return r; | |
447 | } | |
448 | ||
79a45b7d | 449 | return LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
450 | } |
451 | ||
452 | /* Called by various <lang>_val_print routines to print | |
453 | TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the | |
454 | value. STREAM is where to print the value. */ | |
455 | ||
456 | void | |
fc1a4b47 | 457 | val_print_type_code_int (struct type *type, const gdb_byte *valaddr, |
fba45db2 | 458 | struct ui_file *stream) |
c906108c | 459 | { |
50810684 | 460 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
d44e8473 | 461 | |
c906108c SS |
462 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
463 | { | |
464 | LONGEST val; | |
465 | ||
466 | if (TYPE_UNSIGNED (type) | |
467 | && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type), | |
e17a4113 | 468 | byte_order, &val)) |
c906108c SS |
469 | { |
470 | print_longest (stream, 'u', 0, val); | |
471 | } | |
472 | else | |
473 | { | |
474 | /* Signed, or we couldn't turn an unsigned value into a | |
475 | LONGEST. For signed values, one could assume two's | |
476 | complement (a reasonable assumption, I think) and do | |
477 | better than this. */ | |
478 | print_hex_chars (stream, (unsigned char *) valaddr, | |
d44e8473 | 479 | TYPE_LENGTH (type), byte_order); |
c906108c SS |
480 | } |
481 | } | |
482 | else | |
483 | { | |
c906108c SS |
484 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, |
485 | unpack_long (type, valaddr)); | |
c906108c SS |
486 | } |
487 | } | |
488 | ||
4f2aea11 MK |
489 | void |
490 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, | |
491 | struct ui_file *stream) | |
492 | { | |
befae759 | 493 | ULONGEST val = unpack_long (type, valaddr); |
4f2aea11 MK |
494 | int bitpos, nfields = TYPE_NFIELDS (type); |
495 | ||
496 | fputs_filtered ("[ ", stream); | |
497 | for (bitpos = 0; bitpos < nfields; bitpos++) | |
498 | { | |
316703b9 MK |
499 | if (TYPE_FIELD_BITPOS (type, bitpos) != -1 |
500 | && (val & ((ULONGEST)1 << bitpos))) | |
4f2aea11 MK |
501 | { |
502 | if (TYPE_FIELD_NAME (type, bitpos)) | |
503 | fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos)); | |
504 | else | |
505 | fprintf_filtered (stream, "#%d ", bitpos); | |
506 | } | |
507 | } | |
508 | fputs_filtered ("]", stream); | |
509 | } | |
510 | ||
c906108c SS |
511 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
512 | The raison d'etre of this function is to consolidate printing of | |
bb599908 PH |
513 | LONG_LONG's into this one function. The format chars b,h,w,g are |
514 | from print_scalar_formatted(). Numbers are printed using C | |
515 | format. | |
516 | ||
517 | USE_C_FORMAT means to use C format in all cases. Without it, | |
518 | 'o' and 'x' format do not include the standard C radix prefix | |
519 | (leading 0 or 0x). | |
520 | ||
521 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
522 | and was intended to request formating according to the current | |
523 | language and would be used for most integers that GDB prints. The | |
524 | exceptional cases were things like protocols where the format of | |
525 | the integer is a protocol thing, not a user-visible thing). The | |
526 | parameter remains to preserve the information of what things might | |
527 | be printed with language-specific format, should we ever resurrect | |
528 | that capability. */ | |
c906108c SS |
529 | |
530 | void | |
bb599908 | 531 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 532 | LONGEST val_long) |
c906108c | 533 | { |
2bfb72ee AC |
534 | const char *val; |
535 | ||
c906108c SS |
536 | switch (format) |
537 | { | |
538 | case 'd': | |
bb599908 | 539 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 540 | case 'u': |
bb599908 | 541 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 542 | case 'x': |
bb599908 | 543 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 544 | case 'b': |
bb599908 | 545 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 546 | case 'h': |
bb599908 | 547 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 548 | case 'w': |
bb599908 | 549 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 550 | case 'g': |
bb599908 | 551 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
552 | break; |
553 | case 'o': | |
bb599908 | 554 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 555 | default: |
e2e0b3e5 | 556 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
bb599908 | 557 | } |
2bfb72ee | 558 | fputs_filtered (val, stream); |
c906108c SS |
559 | } |
560 | ||
c906108c SS |
561 | /* This used to be a macro, but I don't think it is called often enough |
562 | to merit such treatment. */ | |
563 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
564 | arguments to a function, number in a value history, register number, etc.) | |
565 | where the value must not be larger than can fit in an int. */ | |
566 | ||
567 | int | |
fba45db2 | 568 | longest_to_int (LONGEST arg) |
c906108c SS |
569 | { |
570 | /* Let the compiler do the work */ | |
571 | int rtnval = (int) arg; | |
572 | ||
573 | /* Check for overflows or underflows */ | |
574 | if (sizeof (LONGEST) > sizeof (int)) | |
575 | { | |
576 | if (rtnval != arg) | |
577 | { | |
8a3fe4f8 | 578 | error (_("Value out of range.")); |
c906108c SS |
579 | } |
580 | } | |
581 | return (rtnval); | |
582 | } | |
583 | ||
a73c86fb AC |
584 | /* Print a floating point value of type TYPE (not always a |
585 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
586 | |
587 | void | |
fc1a4b47 | 588 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 589 | struct ui_file *stream) |
c906108c SS |
590 | { |
591 | DOUBLEST doub; | |
592 | int inv; | |
a73c86fb | 593 | const struct floatformat *fmt = NULL; |
c906108c | 594 | unsigned len = TYPE_LENGTH (type); |
20389057 | 595 | enum float_kind kind; |
c5aa993b | 596 | |
a73c86fb AC |
597 | /* If it is a floating-point, check for obvious problems. */ |
598 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
599 | fmt = floatformat_from_type (type); | |
20389057 | 600 | if (fmt != NULL) |
39424bef | 601 | { |
20389057 DJ |
602 | kind = floatformat_classify (fmt, valaddr); |
603 | if (kind == float_nan) | |
604 | { | |
605 | if (floatformat_is_negative (fmt, valaddr)) | |
606 | fprintf_filtered (stream, "-"); | |
607 | fprintf_filtered (stream, "nan("); | |
608 | fputs_filtered ("0x", stream); | |
609 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
610 | fprintf_filtered (stream, ")"); | |
611 | return; | |
612 | } | |
613 | else if (kind == float_infinite) | |
614 | { | |
615 | if (floatformat_is_negative (fmt, valaddr)) | |
616 | fputs_filtered ("-", stream); | |
617 | fputs_filtered ("inf", stream); | |
618 | return; | |
619 | } | |
7355ddba | 620 | } |
c906108c | 621 | |
a73c86fb AC |
622 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
623 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
624 | needs to be used as that takes care of any necessary type | |
625 | conversions. Such conversions are of course direct to DOUBLEST | |
626 | and disregard any possible target floating point limitations. | |
627 | For instance, a u64 would be converted and displayed exactly on a | |
628 | host with 80 bit DOUBLEST but with loss of information on a host | |
629 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 630 | |
c906108c SS |
631 | doub = unpack_double (type, valaddr, &inv); |
632 | if (inv) | |
633 | { | |
634 | fprintf_filtered (stream, "<invalid float value>"); | |
635 | return; | |
636 | } | |
637 | ||
39424bef MK |
638 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
639 | assumptions about the host and target floating point format. */ | |
640 | ||
a73c86fb | 641 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 642 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
643 | instead uses the type's length to determine the precision of the |
644 | floating-point value being printed. */ | |
c2f05ac9 | 645 | |
c906108c | 646 | if (len < sizeof (double)) |
c5aa993b | 647 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 648 | else if (len == sizeof (double)) |
c5aa993b | 649 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
650 | else |
651 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
652 | fprintf_filtered (stream, "%.35Lg", doub); | |
653 | #else | |
39424bef MK |
654 | /* This at least wins with values that are representable as |
655 | doubles. */ | |
c906108c SS |
656 | fprintf_filtered (stream, "%.17g", (double) doub); |
657 | #endif | |
658 | } | |
659 | ||
7678ef8f TJB |
660 | void |
661 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
662 | struct ui_file *stream) | |
663 | { | |
e17a4113 | 664 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
665 | char decstr[MAX_DECIMAL_STRING]; |
666 | unsigned len = TYPE_LENGTH (type); | |
667 | ||
e17a4113 | 668 | decimal_to_string (valaddr, len, byte_order, decstr); |
7678ef8f TJB |
669 | fputs_filtered (decstr, stream); |
670 | return; | |
671 | } | |
672 | ||
c5aa993b | 673 | void |
fc1a4b47 | 674 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 675 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
676 | { |
677 | ||
678 | #define BITS_IN_BYTES 8 | |
679 | ||
fc1a4b47 | 680 | const gdb_byte *p; |
745b8ca0 | 681 | unsigned int i; |
c5aa993b | 682 | int b; |
c906108c SS |
683 | |
684 | /* Declared "int" so it will be signed. | |
685 | * This ensures that right shift will shift in zeros. | |
686 | */ | |
c5aa993b | 687 | const int mask = 0x080; |
c906108c SS |
688 | |
689 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
690 | ||
d44e8473 | 691 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
692 | { |
693 | for (p = valaddr; | |
694 | p < valaddr + len; | |
695 | p++) | |
696 | { | |
c5aa993b JM |
697 | /* Every byte has 8 binary characters; peel off |
698 | * and print from the MSB end. | |
699 | */ | |
700 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) | |
701 | { | |
702 | if (*p & (mask >> i)) | |
703 | b = 1; | |
704 | else | |
705 | b = 0; | |
706 | ||
707 | fprintf_filtered (stream, "%1d", b); | |
708 | } | |
c906108c SS |
709 | } |
710 | } | |
711 | else | |
712 | { | |
713 | for (p = valaddr + len - 1; | |
714 | p >= valaddr; | |
715 | p--) | |
716 | { | |
c5aa993b JM |
717 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
718 | { | |
719 | if (*p & (mask >> i)) | |
720 | b = 1; | |
721 | else | |
722 | b = 0; | |
723 | ||
724 | fprintf_filtered (stream, "%1d", b); | |
725 | } | |
c906108c SS |
726 | } |
727 | } | |
c906108c SS |
728 | } |
729 | ||
730 | /* VALADDR points to an integer of LEN bytes. | |
731 | * Print it in octal on stream or format it in buf. | |
732 | */ | |
733 | void | |
fc1a4b47 | 734 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 735 | unsigned len, enum bfd_endian byte_order) |
c906108c | 736 | { |
fc1a4b47 | 737 | const gdb_byte *p; |
c906108c | 738 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
739 | int cycle; |
740 | ||
c906108c SS |
741 | /* FIXME: We should be not printing leading zeroes in most cases. */ |
742 | ||
743 | ||
744 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track | |
745 | * the extra bits, which cycle every three bytes: | |
746 | * | |
747 | * Byte side: 0 1 2 3 | |
748 | * | | | | | |
749 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
750 | * | |
751 | * Octal side: 0 1 carry 3 4 carry ... | |
752 | * | |
753 | * Cycle number: 0 1 2 | |
754 | * | |
755 | * But of course we are printing from the high side, so we have to | |
756 | * figure out where in the cycle we are so that we end up with no | |
757 | * left over bits at the end. | |
758 | */ | |
759 | #define BITS_IN_OCTAL 3 | |
760 | #define HIGH_ZERO 0340 | |
761 | #define LOW_ZERO 0016 | |
762 | #define CARRY_ZERO 0003 | |
763 | #define HIGH_ONE 0200 | |
764 | #define MID_ONE 0160 | |
765 | #define LOW_ONE 0016 | |
766 | #define CARRY_ONE 0001 | |
767 | #define HIGH_TWO 0300 | |
768 | #define MID_TWO 0070 | |
769 | #define LOW_TWO 0007 | |
770 | ||
771 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
772 | * for 64 in cycle in cycle 1, with one bit and a two bit carry. | |
773 | */ | |
774 | cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL; | |
775 | carry = 0; | |
c5aa993b | 776 | |
bb599908 | 777 | fputs_filtered ("0", stream); |
d44e8473 | 778 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
779 | { |
780 | for (p = valaddr; | |
781 | p < valaddr + len; | |
782 | p++) | |
783 | { | |
c5aa993b JM |
784 | switch (cycle) |
785 | { | |
786 | case 0: | |
787 | /* No carry in, carry out two bits. | |
788 | */ | |
789 | octa1 = (HIGH_ZERO & *p) >> 5; | |
790 | octa2 = (LOW_ZERO & *p) >> 2; | |
791 | carry = (CARRY_ZERO & *p); | |
792 | fprintf_filtered (stream, "%o", octa1); | |
793 | fprintf_filtered (stream, "%o", octa2); | |
794 | break; | |
795 | ||
796 | case 1: | |
797 | /* Carry in two bits, carry out one bit. | |
798 | */ | |
799 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); | |
800 | octa2 = (MID_ONE & *p) >> 4; | |
801 | octa3 = (LOW_ONE & *p) >> 1; | |
802 | carry = (CARRY_ONE & *p); | |
803 | fprintf_filtered (stream, "%o", octa1); | |
804 | fprintf_filtered (stream, "%o", octa2); | |
805 | fprintf_filtered (stream, "%o", octa3); | |
806 | break; | |
807 | ||
808 | case 2: | |
809 | /* Carry in one bit, no carry out. | |
810 | */ | |
811 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); | |
812 | octa2 = (MID_TWO & *p) >> 3; | |
813 | octa3 = (LOW_TWO & *p); | |
814 | carry = 0; | |
815 | fprintf_filtered (stream, "%o", octa1); | |
816 | fprintf_filtered (stream, "%o", octa2); | |
817 | fprintf_filtered (stream, "%o", octa3); | |
818 | break; | |
819 | ||
820 | default: | |
8a3fe4f8 | 821 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
822 | } |
823 | ||
824 | cycle++; | |
825 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
826 | } |
827 | } | |
828 | else | |
829 | { | |
830 | for (p = valaddr + len - 1; | |
831 | p >= valaddr; | |
832 | p--) | |
833 | { | |
c5aa993b JM |
834 | switch (cycle) |
835 | { | |
836 | case 0: | |
837 | /* Carry out, no carry in */ | |
838 | octa1 = (HIGH_ZERO & *p) >> 5; | |
839 | octa2 = (LOW_ZERO & *p) >> 2; | |
840 | carry = (CARRY_ZERO & *p); | |
841 | fprintf_filtered (stream, "%o", octa1); | |
842 | fprintf_filtered (stream, "%o", octa2); | |
843 | break; | |
844 | ||
845 | case 1: | |
846 | /* Carry in, carry out */ | |
847 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); | |
848 | octa2 = (MID_ONE & *p) >> 4; | |
849 | octa3 = (LOW_ONE & *p) >> 1; | |
850 | carry = (CARRY_ONE & *p); | |
851 | fprintf_filtered (stream, "%o", octa1); | |
852 | fprintf_filtered (stream, "%o", octa2); | |
853 | fprintf_filtered (stream, "%o", octa3); | |
854 | break; | |
855 | ||
856 | case 2: | |
857 | /* Carry in, no carry out */ | |
858 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); | |
859 | octa2 = (MID_TWO & *p) >> 3; | |
860 | octa3 = (LOW_TWO & *p); | |
861 | carry = 0; | |
862 | fprintf_filtered (stream, "%o", octa1); | |
863 | fprintf_filtered (stream, "%o", octa2); | |
864 | fprintf_filtered (stream, "%o", octa3); | |
865 | break; | |
866 | ||
867 | default: | |
8a3fe4f8 | 868 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
869 | } |
870 | ||
871 | cycle++; | |
872 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
873 | } |
874 | } | |
875 | ||
c906108c SS |
876 | } |
877 | ||
878 | /* VALADDR points to an integer of LEN bytes. | |
879 | * Print it in decimal on stream or format it in buf. | |
880 | */ | |
881 | void | |
fc1a4b47 | 882 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 883 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
884 | { |
885 | #define TEN 10 | |
c5aa993b | 886 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
887 | #define CARRY_LEFT( x ) ((x) % TEN) |
888 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
889 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
890 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
891 | ||
fc1a4b47 | 892 | const gdb_byte *p; |
c906108c | 893 | unsigned char *digits; |
c5aa993b JM |
894 | int carry; |
895 | int decimal_len; | |
896 | int i, j, decimal_digits; | |
897 | int dummy; | |
898 | int flip; | |
899 | ||
c906108c SS |
900 | /* Base-ten number is less than twice as many digits |
901 | * as the base 16 number, which is 2 digits per byte. | |
902 | */ | |
903 | decimal_len = len * 2 * 2; | |
3c37485b | 904 | digits = xmalloc (decimal_len); |
c906108c | 905 | |
c5aa993b JM |
906 | for (i = 0; i < decimal_len; i++) |
907 | { | |
c906108c | 908 | digits[i] = 0; |
c5aa993b | 909 | } |
c906108c | 910 | |
c906108c SS |
911 | /* Ok, we have an unknown number of bytes of data to be printed in |
912 | * decimal. | |
913 | * | |
914 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
915 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
916 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
917 | * | |
918 | * The trick is that "digits" holds a base-10 number, but sometimes | |
919 | * the individual digits are > 10. | |
920 | * | |
921 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
922 | * LSD end. | |
923 | */ | |
c5aa993b | 924 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 925 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 926 | flip = 0; |
d44e8473 | 927 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 928 | { |
c906108c SS |
929 | /* |
930 | * Multiply current base-ten number by 16 in place. | |
931 | * Each digit was between 0 and 9, now is between | |
932 | * 0 and 144. | |
933 | */ | |
c5aa993b JM |
934 | for (j = 0; j < decimal_digits; j++) |
935 | { | |
936 | digits[j] = SHIFT (digits[j]); | |
937 | } | |
938 | ||
c906108c SS |
939 | /* Take the next nibble off the input and add it to what |
940 | * we've got in the LSB position. Bottom 'digit' is now | |
941 | * between 0 and 159. | |
942 | * | |
943 | * "flip" is used to run this loop twice for each byte. | |
944 | */ | |
c5aa993b JM |
945 | if (flip == 0) |
946 | { | |
947 | /* Take top nibble. | |
948 | */ | |
949 | digits[0] += HIGH_NIBBLE (*p); | |
950 | flip = 1; | |
951 | } | |
952 | else | |
953 | { | |
954 | /* Take low nibble and bump our pointer "p". | |
955 | */ | |
956 | digits[0] += LOW_NIBBLE (*p); | |
d44e8473 MD |
957 | if (byte_order == BFD_ENDIAN_BIG) |
958 | p++; | |
959 | else | |
960 | p--; | |
c5aa993b JM |
961 | flip = 0; |
962 | } | |
c906108c SS |
963 | |
964 | /* Re-decimalize. We have to do this often enough | |
965 | * that we don't overflow, but once per nibble is | |
966 | * overkill. Easier this way, though. Note that the | |
967 | * carry is often larger than 10 (e.g. max initial | |
968 | * carry out of lowest nibble is 15, could bubble all | |
969 | * the way up greater than 10). So we have to do | |
970 | * the carrying beyond the last current digit. | |
971 | */ | |
972 | carry = 0; | |
c5aa993b JM |
973 | for (j = 0; j < decimal_len - 1; j++) |
974 | { | |
975 | digits[j] += carry; | |
976 | ||
977 | /* "/" won't handle an unsigned char with | |
978 | * a value that if signed would be negative. | |
979 | * So extend to longword int via "dummy". | |
980 | */ | |
981 | dummy = digits[j]; | |
982 | carry = CARRY_OUT (dummy); | |
983 | digits[j] = CARRY_LEFT (dummy); | |
984 | ||
985 | if (j >= decimal_digits && carry == 0) | |
986 | { | |
987 | /* | |
988 | * All higher digits are 0 and we | |
989 | * no longer have a carry. | |
990 | * | |
991 | * Note: "j" is 0-based, "decimal_digits" is | |
992 | * 1-based. | |
993 | */ | |
994 | decimal_digits = j + 1; | |
995 | break; | |
996 | } | |
997 | } | |
998 | } | |
c906108c SS |
999 | |
1000 | /* Ok, now "digits" is the decimal representation, with | |
1001 | * the "decimal_digits" actual digits. Print! | |
1002 | */ | |
c5aa993b JM |
1003 | for (i = decimal_digits - 1; i >= 0; i--) |
1004 | { | |
1005 | fprintf_filtered (stream, "%1d", digits[i]); | |
1006 | } | |
b8c9b27d | 1007 | xfree (digits); |
c906108c SS |
1008 | } |
1009 | ||
1010 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1011 | ||
6b9acc27 | 1012 | void |
fc1a4b47 | 1013 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1014 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1015 | { |
fc1a4b47 | 1016 | const gdb_byte *p; |
c906108c SS |
1017 | |
1018 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1019 | ||
bb599908 | 1020 | fputs_filtered ("0x", stream); |
d44e8473 | 1021 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1022 | { |
1023 | for (p = valaddr; | |
1024 | p < valaddr + len; | |
1025 | p++) | |
1026 | { | |
1027 | fprintf_filtered (stream, "%02x", *p); | |
1028 | } | |
1029 | } | |
1030 | else | |
1031 | { | |
1032 | for (p = valaddr + len - 1; | |
1033 | p >= valaddr; | |
1034 | p--) | |
1035 | { | |
1036 | fprintf_filtered (stream, "%02x", *p); | |
1037 | } | |
1038 | } | |
c906108c SS |
1039 | } |
1040 | ||
6b9acc27 JJ |
1041 | /* VALADDR points to a char integer of LEN bytes. Print it out in appropriate language form on stream. |
1042 | Omit any leading zero chars. */ | |
1043 | ||
1044 | void | |
6c7a06a3 TT |
1045 | print_char_chars (struct ui_file *stream, struct type *type, |
1046 | const gdb_byte *valaddr, | |
d44e8473 | 1047 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1048 | { |
fc1a4b47 | 1049 | const gdb_byte *p; |
6b9acc27 | 1050 | |
d44e8473 | 1051 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1052 | { |
1053 | p = valaddr; | |
1054 | while (p < valaddr + len - 1 && *p == 0) | |
1055 | ++p; | |
1056 | ||
1057 | while (p < valaddr + len) | |
1058 | { | |
6c7a06a3 | 1059 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1060 | ++p; |
1061 | } | |
1062 | } | |
1063 | else | |
1064 | { | |
1065 | p = valaddr + len - 1; | |
1066 | while (p > valaddr && *p == 0) | |
1067 | --p; | |
1068 | ||
1069 | while (p >= valaddr) | |
1070 | { | |
6c7a06a3 | 1071 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1072 | --p; |
1073 | } | |
1074 | } | |
1075 | } | |
1076 | ||
79a45b7d | 1077 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1078 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1079 | ||
1080 | void | |
1081 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1082 | struct ui_file *stream, |
1083 | const struct value_print_options *options) | |
e79af960 JB |
1084 | { |
1085 | struct value *index_value; | |
1086 | ||
79a45b7d | 1087 | if (!options->print_array_indexes) |
e79af960 JB |
1088 | return; |
1089 | ||
1090 | index_value = value_from_longest (index_type, index); | |
1091 | ||
79a45b7d TT |
1092 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1093 | } | |
e79af960 | 1094 | |
c906108c | 1095 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1096 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1097 | |
c5aa993b JM |
1098 | (FIXME?) Assumes array element separator is a comma, which is correct |
1099 | for all languages currently handled. | |
1100 | (FIXME?) Some languages have a notation for repeated array elements, | |
1101 | perhaps we should try to use that notation when appropriate. | |
1102 | */ | |
c906108c SS |
1103 | |
1104 | void | |
fc1a4b47 | 1105 | val_print_array_elements (struct type *type, const gdb_byte *valaddr, |
a2bd3dcd | 1106 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1107 | int recurse, |
0e03807e | 1108 | const struct value *val, |
79a45b7d | 1109 | const struct value_print_options *options, |
fba45db2 | 1110 | unsigned int i) |
c906108c SS |
1111 | { |
1112 | unsigned int things_printed = 0; | |
1113 | unsigned len; | |
e79af960 | 1114 | struct type *elttype, *index_type; |
c906108c SS |
1115 | unsigned eltlen; |
1116 | /* Position of the array element we are examining to see | |
1117 | whether it is repeated. */ | |
1118 | unsigned int rep1; | |
1119 | /* Number of repetitions we have detected so far. */ | |
1120 | unsigned int reps; | |
dbc98a8b | 1121 | LONGEST low_bound, high_bound; |
c5aa993b | 1122 | |
c906108c SS |
1123 | elttype = TYPE_TARGET_TYPE (type); |
1124 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
e79af960 | 1125 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1126 | |
dbc98a8b | 1127 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b JB |
1128 | { |
1129 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1. | |
1130 | But we have to be a little extra careful, because some languages | |
1131 | such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for | |
1132 | empty arrays. In that situation, the array length is just zero, | |
1133 | not negative! */ | |
1134 | if (low_bound > high_bound) | |
1135 | len = 0; | |
1136 | else | |
1137 | len = high_bound - low_bound + 1; | |
1138 | } | |
e936309c JB |
1139 | else |
1140 | { | |
dbc98a8b KW |
1141 | warning (_("unable to get bounds of array, assuming null array")); |
1142 | low_bound = 0; | |
1143 | len = 0; | |
168de233 JB |
1144 | } |
1145 | ||
c906108c SS |
1146 | annotate_array_section_begin (i, elttype); |
1147 | ||
79a45b7d | 1148 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1149 | { |
1150 | if (i != 0) | |
1151 | { | |
79a45b7d | 1152 | if (options->prettyprint_arrays) |
c906108c SS |
1153 | { |
1154 | fprintf_filtered (stream, ",\n"); | |
1155 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1156 | } | |
1157 | else | |
1158 | { | |
1159 | fprintf_filtered (stream, ", "); | |
1160 | } | |
1161 | } | |
1162 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 1163 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 1164 | stream, options); |
c906108c SS |
1165 | |
1166 | rep1 = i + 1; | |
1167 | reps = 1; | |
c5aa993b | 1168 | while ((rep1 < len) && |
c906108c SS |
1169 | !memcmp (valaddr + i * eltlen, valaddr + rep1 * eltlen, eltlen)) |
1170 | { | |
1171 | ++reps; | |
1172 | ++rep1; | |
1173 | } | |
1174 | ||
79a45b7d | 1175 | if (reps > options->repeat_count_threshold) |
c906108c | 1176 | { |
f9e31323 | 1177 | val_print (elttype, valaddr + i * eltlen, 0, address + i * eltlen, |
0e03807e | 1178 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1179 | annotate_elt_rep (reps); |
1180 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
1181 | annotate_elt_rep_end (); | |
1182 | ||
1183 | i = rep1 - 1; | |
79a45b7d | 1184 | things_printed += options->repeat_count_threshold; |
c906108c SS |
1185 | } |
1186 | else | |
1187 | { | |
f9e31323 | 1188 | val_print (elttype, valaddr + i * eltlen, 0, address + i * eltlen, |
0e03807e | 1189 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1190 | annotate_elt (); |
1191 | things_printed++; | |
1192 | } | |
1193 | } | |
1194 | annotate_array_section_end (); | |
1195 | if (i < len) | |
1196 | { | |
1197 | fprintf_filtered (stream, "..."); | |
1198 | } | |
1199 | } | |
1200 | ||
917317f4 JM |
1201 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1202 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
1203 | actually read, and optionally an errno value in the location | |
1204 | pointed to by ERRNOPTR if ERRNOPTR is non-null. */ | |
1205 | ||
1206 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1207 | function be eliminated. */ | |
1208 | ||
1209 | static int | |
777ea8f1 | 1210 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int *errnoptr) |
917317f4 JM |
1211 | { |
1212 | int nread; /* Number of bytes actually read. */ | |
1213 | int errcode; /* Error from last read. */ | |
1214 | ||
1215 | /* First try a complete read. */ | |
1216 | errcode = target_read_memory (memaddr, myaddr, len); | |
1217 | if (errcode == 0) | |
1218 | { | |
1219 | /* Got it all. */ | |
1220 | nread = len; | |
1221 | } | |
1222 | else | |
1223 | { | |
1224 | /* Loop, reading one byte at a time until we get as much as we can. */ | |
1225 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) | |
1226 | { | |
1227 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
1228 | } | |
1229 | /* If an error, the last read was unsuccessful, so adjust count. */ | |
1230 | if (errcode != 0) | |
1231 | { | |
1232 | nread--; | |
1233 | } | |
1234 | } | |
1235 | if (errnoptr != NULL) | |
1236 | { | |
1237 | *errnoptr = errcode; | |
1238 | } | |
1239 | return (nread); | |
1240 | } | |
1241 | ||
ae6a3a4c TJB |
1242 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
1243 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
1244 | allocated buffer containing the string, which the caller is responsible to | |
1245 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
1246 | success, or errno on failure. | |
1247 | ||
1248 | If LEN > 0, reads exactly LEN characters (including eventual NULs in | |
1249 | the middle or end of the string). If LEN is -1, stops at the first | |
1250 | null character (not necessarily the first null byte) up to a maximum | |
1251 | of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many | |
1252 | characters as possible from the string. | |
1253 | ||
1254 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
1255 | failure. In this case, some characters might have been read before the | |
1256 | failure happened. Check BYTES_READ to recognize this situation. | |
1257 | ||
1258 | Note: There was a FIXME asking to make this code use target_read_string, | |
1259 | but this function is more general (can read past null characters, up to | |
1260 | given LEN). Besides, it is used much more often than target_read_string | |
1261 | so it is more tested. Perhaps callers of target_read_string should use | |
1262 | this function instead? */ | |
c906108c SS |
1263 | |
1264 | int | |
ae6a3a4c | 1265 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 1266 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 1267 | { |
ae6a3a4c TJB |
1268 | int found_nul; /* Non-zero if we found the nul char. */ |
1269 | int errcode; /* Errno returned from bad reads. */ | |
1270 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
1271 | unsigned int chunksize; /* Size of each fetch, in chars. */ | |
1272 | gdb_byte *bufptr; /* Pointer to next available byte in buffer. */ | |
1273 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
1274 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
1275 | ||
1276 | /* Decide how large of chunks to try to read in one operation. This | |
c906108c SS |
1277 | is also pretty simple. If LEN >= zero, then we want fetchlimit chars, |
1278 | so we might as well read them all in one operation. If LEN is -1, we | |
ae6a3a4c | 1279 | are looking for a NUL terminator to end the fetching, so we might as |
c906108c SS |
1280 | well read in blocks that are large enough to be efficient, but not so |
1281 | large as to be slow if fetchlimit happens to be large. So we choose the | |
1282 | minimum of 8 and fetchlimit. We used to use 200 instead of 8 but | |
1283 | 200 is way too big for remote debugging over a serial line. */ | |
1284 | ||
1285 | chunksize = (len == -1 ? min (8, fetchlimit) : fetchlimit); | |
1286 | ||
ae6a3a4c TJB |
1287 | /* Loop until we either have all the characters, or we encounter |
1288 | some error, such as bumping into the end of the address space. */ | |
c906108c SS |
1289 | |
1290 | found_nul = 0; | |
b5096abe PM |
1291 | *buffer = NULL; |
1292 | ||
1293 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
1294 | |
1295 | if (len > 0) | |
1296 | { | |
ae6a3a4c TJB |
1297 | *buffer = (gdb_byte *) xmalloc (len * width); |
1298 | bufptr = *buffer; | |
c906108c | 1299 | |
917317f4 | 1300 | nfetch = partial_memory_read (addr, bufptr, len * width, &errcode) |
c906108c SS |
1301 | / width; |
1302 | addr += nfetch * width; | |
1303 | bufptr += nfetch * width; | |
1304 | } | |
1305 | else if (len == -1) | |
1306 | { | |
1307 | unsigned long bufsize = 0; | |
ae6a3a4c | 1308 | |
c906108c SS |
1309 | do |
1310 | { | |
1311 | QUIT; | |
1312 | nfetch = min (chunksize, fetchlimit - bufsize); | |
1313 | ||
ae6a3a4c TJB |
1314 | if (*buffer == NULL) |
1315 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 1316 | else |
b5096abe PM |
1317 | *buffer = (gdb_byte *) xrealloc (*buffer, |
1318 | (nfetch + bufsize) * width); | |
c906108c | 1319 | |
ae6a3a4c | 1320 | bufptr = *buffer + bufsize * width; |
c906108c SS |
1321 | bufsize += nfetch; |
1322 | ||
ae6a3a4c | 1323 | /* Read as much as we can. */ |
917317f4 | 1324 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 1325 | / width; |
c906108c | 1326 | |
ae6a3a4c | 1327 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
1328 | to print. If found, we don't need to fetch any more. Note |
1329 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
1330 | after the null character, or at the next character after the end |
1331 | of the buffer. */ | |
c906108c SS |
1332 | |
1333 | limit = bufptr + nfetch * width; | |
1334 | while (bufptr < limit) | |
1335 | { | |
1336 | unsigned long c; | |
1337 | ||
e17a4113 | 1338 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
1339 | addr += width; |
1340 | bufptr += width; | |
1341 | if (c == 0) | |
1342 | { | |
1343 | /* We don't care about any error which happened after | |
ae6a3a4c | 1344 | the NUL terminator. */ |
c906108c SS |
1345 | errcode = 0; |
1346 | found_nul = 1; | |
1347 | break; | |
1348 | } | |
1349 | } | |
1350 | } | |
c5aa993b | 1351 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
1352 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
1353 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
1354 | } |
1355 | else | |
ae6a3a4c TJB |
1356 | { /* Length of string is really 0! */ |
1357 | /* We always allocate *buffer. */ | |
1358 | *buffer = bufptr = xmalloc (1); | |
c906108c SS |
1359 | errcode = 0; |
1360 | } | |
1361 | ||
1362 | /* bufptr and addr now point immediately beyond the last byte which we | |
1363 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
1364 | *bytes_read = bufptr - *buffer; |
1365 | ||
1366 | QUIT; | |
1367 | ||
1368 | discard_cleanups (old_chain); | |
1369 | ||
1370 | return errcode; | |
1371 | } | |
1372 | ||
1373 | /* Print a string from the inferior, starting at ADDR and printing up to LEN | |
1374 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
1375 | stops at the first null byte, otherwise printing proceeds (including null | |
1376 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
1377 | whichever is smaller. ENCODING is the name of the string's |
1378 | encoding. It can be NULL, in which case the target encoding is | |
1379 | assumed. */ | |
ae6a3a4c TJB |
1380 | |
1381 | int | |
09ca9e2e TT |
1382 | val_print_string (struct type *elttype, const char *encoding, |
1383 | CORE_ADDR addr, int len, | |
6c7a06a3 | 1384 | struct ui_file *stream, |
ae6a3a4c TJB |
1385 | const struct value_print_options *options) |
1386 | { | |
1387 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
1388 | int errcode; /* Errno returned from bad reads. */ | |
1389 | int found_nul; /* Non-zero if we found the nul char */ | |
1390 | unsigned int fetchlimit; /* Maximum number of chars to print. */ | |
1391 | int bytes_read; | |
1392 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
1393 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 1394 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 1395 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 1396 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
1397 | |
1398 | /* First we need to figure out the limit on the number of characters we are | |
1399 | going to attempt to fetch and print. This is actually pretty simple. If | |
1400 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
1401 | LEN is -1, then the limit is print_max. This is true regardless of | |
1402 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
1403 | because finding the null byte (or available memory) is what actually | |
1404 | limits the fetch. */ | |
1405 | ||
1406 | fetchlimit = (len == -1 ? options->print_max : min (len, options->print_max)); | |
1407 | ||
e17a4113 UW |
1408 | errcode = read_string (addr, len, width, fetchlimit, byte_order, |
1409 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
1410 | old_chain = make_cleanup (xfree, buffer); |
1411 | ||
1412 | addr += bytes_read; | |
c906108c SS |
1413 | |
1414 | /* We now have either successfully filled the buffer to fetchlimit, or | |
ae6a3a4c TJB |
1415 | terminated early due to an error or finding a null char when LEN is -1. */ |
1416 | ||
1417 | /* Determine found_nul by looking at the last character read. */ | |
e17a4113 UW |
1418 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, |
1419 | byte_order) == 0; | |
c906108c SS |
1420 | if (len == -1 && !found_nul) |
1421 | { | |
777ea8f1 | 1422 | gdb_byte *peekbuf; |
c906108c | 1423 | |
ae6a3a4c | 1424 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
1425 | to peek at the next character. If not successful, or it is not |
1426 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 1427 | |
777ea8f1 | 1428 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
1429 | |
1430 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 1431 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
1432 | force_ellipsis = 1; |
1433 | } | |
ae6a3a4c | 1434 | else if ((len >= 0 && errcode != 0) || (len > bytes_read / width)) |
c906108c SS |
1435 | { |
1436 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 1437 | than the number of characters actually requested, always make us |
ae6a3a4c | 1438 | print ellipsis. */ |
c906108c SS |
1439 | force_ellipsis = 1; |
1440 | } | |
1441 | ||
c906108c SS |
1442 | /* If we get an error before fetching anything, don't print a string. |
1443 | But if we fetch something and then get an error, print the string | |
1444 | and then the error message. */ | |
ae6a3a4c | 1445 | if (errcode == 0 || bytes_read > 0) |
c906108c | 1446 | { |
79a45b7d | 1447 | if (options->addressprint) |
c906108c SS |
1448 | { |
1449 | fputs_filtered (" ", stream); | |
1450 | } | |
be759fcf | 1451 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 1452 | encoding, force_ellipsis, options); |
c906108c SS |
1453 | } |
1454 | ||
1455 | if (errcode != 0) | |
1456 | { | |
1457 | if (errcode == EIO) | |
1458 | { | |
1459 | fprintf_filtered (stream, " <Address "); | |
5af949e3 | 1460 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1461 | fprintf_filtered (stream, " out of bounds>"); |
1462 | } | |
1463 | else | |
1464 | { | |
1465 | fprintf_filtered (stream, " <Error reading address "); | |
5af949e3 | 1466 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1467 | fprintf_filtered (stream, ": %s>", safe_strerror (errcode)); |
1468 | } | |
1469 | } | |
ae6a3a4c | 1470 | |
c906108c SS |
1471 | gdb_flush (stream); |
1472 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
1473 | |
1474 | return (bytes_read / width); | |
c906108c | 1475 | } |
c906108c | 1476 | \f |
c5aa993b | 1477 | |
09e6485f PA |
1478 | /* The 'set input-radix' command writes to this auxiliary variable. |
1479 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
1480 | it is left unchanged. */ | |
1481 | ||
1482 | static unsigned input_radix_1 = 10; | |
1483 | ||
c906108c SS |
1484 | /* Validate an input or output radix setting, and make sure the user |
1485 | knows what they really did here. Radix setting is confusing, e.g. | |
1486 | setting the input radix to "10" never changes it! */ | |
1487 | ||
c906108c | 1488 | static void |
fba45db2 | 1489 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1490 | { |
09e6485f | 1491 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
1492 | } |
1493 | ||
c906108c | 1494 | static void |
fba45db2 | 1495 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1496 | { |
1497 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
1498 | make any mathematical sense. In theory, we can deal with any input | |
1499 | radix greater than 1, even if we don't have unique digits for every | |
1500 | value from 0 to radix-1, but in practice we lose on large radix values. | |
1501 | We should either fix the lossage or restrict the radix range more. | |
1502 | (FIXME). */ | |
1503 | ||
1504 | if (radix < 2) | |
1505 | { | |
09e6485f | 1506 | input_radix_1 = input_radix; |
8a3fe4f8 | 1507 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
1508 | radix); |
1509 | } | |
09e6485f | 1510 | input_radix_1 = input_radix = radix; |
c906108c SS |
1511 | if (from_tty) |
1512 | { | |
a3f17187 | 1513 | printf_filtered (_("Input radix now set to decimal %u, hex %x, octal %o.\n"), |
c906108c SS |
1514 | radix, radix, radix); |
1515 | } | |
1516 | } | |
1517 | ||
09e6485f PA |
1518 | /* The 'set output-radix' command writes to this auxiliary variable. |
1519 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
1520 | otherwise, it is left unchanged. */ | |
1521 | ||
1522 | static unsigned output_radix_1 = 10; | |
1523 | ||
c906108c | 1524 | static void |
fba45db2 | 1525 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1526 | { |
09e6485f | 1527 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
1528 | } |
1529 | ||
1530 | static void | |
fba45db2 | 1531 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1532 | { |
1533 | /* Validate the radix and disallow ones that we aren't prepared to | |
1534 | handle correctly, leaving the radix unchanged. */ | |
1535 | switch (radix) | |
1536 | { | |
1537 | case 16: | |
79a45b7d | 1538 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
1539 | break; |
1540 | case 10: | |
79a45b7d | 1541 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
1542 | break; |
1543 | case 8: | |
79a45b7d | 1544 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
1545 | break; |
1546 | default: | |
09e6485f | 1547 | output_radix_1 = output_radix; |
8a3fe4f8 | 1548 | error (_("Unsupported output radix ``decimal %u''; output radix unchanged."), |
c906108c SS |
1549 | radix); |
1550 | } | |
09e6485f | 1551 | output_radix_1 = output_radix = radix; |
c906108c SS |
1552 | if (from_tty) |
1553 | { | |
a3f17187 | 1554 | printf_filtered (_("Output radix now set to decimal %u, hex %x, octal %o.\n"), |
c906108c SS |
1555 | radix, radix, radix); |
1556 | } | |
1557 | } | |
1558 | ||
1559 | /* Set both the input and output radix at once. Try to set the output radix | |
1560 | first, since it has the most restrictive range. An radix that is valid as | |
1561 | an output radix is also valid as an input radix. | |
1562 | ||
1563 | It may be useful to have an unusual input radix. If the user wishes to | |
1564 | set an input radix that is not valid as an output radix, he needs to use | |
1565 | the 'set input-radix' command. */ | |
1566 | ||
1567 | static void | |
fba45db2 | 1568 | set_radix (char *arg, int from_tty) |
c906108c SS |
1569 | { |
1570 | unsigned radix; | |
1571 | ||
bb518678 | 1572 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
1573 | set_output_radix_1 (0, radix); |
1574 | set_input_radix_1 (0, radix); | |
1575 | if (from_tty) | |
1576 | { | |
a3f17187 | 1577 | printf_filtered (_("Input and output radices now set to decimal %u, hex %x, octal %o.\n"), |
c906108c SS |
1578 | radix, radix, radix); |
1579 | } | |
1580 | } | |
1581 | ||
1582 | /* Show both the input and output radices. */ | |
1583 | ||
c906108c | 1584 | static void |
fba45db2 | 1585 | show_radix (char *arg, int from_tty) |
c906108c SS |
1586 | { |
1587 | if (from_tty) | |
1588 | { | |
1589 | if (input_radix == output_radix) | |
1590 | { | |
a3f17187 | 1591 | printf_filtered (_("Input and output radices set to decimal %u, hex %x, octal %o.\n"), |
c906108c SS |
1592 | input_radix, input_radix, input_radix); |
1593 | } | |
1594 | else | |
1595 | { | |
a3f17187 | 1596 | printf_filtered (_("Input radix set to decimal %u, hex %x, octal %o.\n"), |
c906108c | 1597 | input_radix, input_radix, input_radix); |
a3f17187 | 1598 | printf_filtered (_("Output radix set to decimal %u, hex %x, octal %o.\n"), |
c906108c SS |
1599 | output_radix, output_radix, output_radix); |
1600 | } | |
1601 | } | |
1602 | } | |
c906108c | 1603 | \f |
c5aa993b | 1604 | |
c906108c | 1605 | static void |
fba45db2 | 1606 | set_print (char *arg, int from_tty) |
c906108c SS |
1607 | { |
1608 | printf_unfiltered ( | |
c5aa993b | 1609 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
c906108c SS |
1610 | help_list (setprintlist, "set print ", -1, gdb_stdout); |
1611 | } | |
1612 | ||
c906108c | 1613 | static void |
fba45db2 | 1614 | show_print (char *args, int from_tty) |
c906108c SS |
1615 | { |
1616 | cmd_show_list (showprintlist, from_tty, ""); | |
1617 | } | |
1618 | \f | |
1619 | void | |
fba45db2 | 1620 | _initialize_valprint (void) |
c906108c | 1621 | { |
c906108c | 1622 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 1623 | _("Generic command for setting how things print."), |
c906108c | 1624 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b JM |
1625 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
1626 | /* prefer set print to set prompt */ | |
c906108c SS |
1627 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
1628 | ||
1629 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 1630 | _("Generic command for showing print settings."), |
c906108c | 1631 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
1632 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
1633 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 1634 | |
79a45b7d TT |
1635 | add_setshow_uinteger_cmd ("elements", no_class, |
1636 | &user_print_options.print_max, _("\ | |
35096d9d AC |
1637 | Set limit on string chars or array elements to print."), _("\ |
1638 | Show limit on string chars or array elements to print."), _("\ | |
1639 | \"set print elements 0\" causes there to be no limit."), | |
1640 | NULL, | |
920d2a44 | 1641 | show_print_max, |
35096d9d | 1642 | &setprintlist, &showprintlist); |
c906108c | 1643 | |
79a45b7d TT |
1644 | add_setshow_boolean_cmd ("null-stop", no_class, |
1645 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
1646 | Set printing of char arrays to stop at first null char."), _("\ |
1647 | Show printing of char arrays to stop at first null char."), NULL, | |
1648 | NULL, | |
920d2a44 | 1649 | show_stop_print_at_null, |
5bf193a2 | 1650 | &setprintlist, &showprintlist); |
c906108c | 1651 | |
35096d9d | 1652 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 1653 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
1654 | Set threshold for repeated print elements."), _("\ |
1655 | Show threshold for repeated print elements."), _("\ | |
1656 | \"set print repeats 0\" causes all elements to be individually printed."), | |
1657 | NULL, | |
920d2a44 | 1658 | show_repeat_count_threshold, |
35096d9d | 1659 | &setprintlist, &showprintlist); |
c906108c | 1660 | |
79a45b7d TT |
1661 | add_setshow_boolean_cmd ("pretty", class_support, |
1662 | &user_print_options.prettyprint_structs, _("\ | |
5bf193a2 AC |
1663 | Set prettyprinting of structures."), _("\ |
1664 | Show prettyprinting of structures."), NULL, | |
1665 | NULL, | |
920d2a44 | 1666 | show_prettyprint_structs, |
5bf193a2 AC |
1667 | &setprintlist, &showprintlist); |
1668 | ||
79a45b7d TT |
1669 | add_setshow_boolean_cmd ("union", class_support, |
1670 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
1671 | Set printing of unions interior to structures."), _("\ |
1672 | Show printing of unions interior to structures."), NULL, | |
1673 | NULL, | |
920d2a44 | 1674 | show_unionprint, |
5bf193a2 AC |
1675 | &setprintlist, &showprintlist); |
1676 | ||
79a45b7d TT |
1677 | add_setshow_boolean_cmd ("array", class_support, |
1678 | &user_print_options.prettyprint_arrays, _("\ | |
5bf193a2 AC |
1679 | Set prettyprinting of arrays."), _("\ |
1680 | Show prettyprinting of arrays."), NULL, | |
1681 | NULL, | |
920d2a44 | 1682 | show_prettyprint_arrays, |
5bf193a2 AC |
1683 | &setprintlist, &showprintlist); |
1684 | ||
79a45b7d TT |
1685 | add_setshow_boolean_cmd ("address", class_support, |
1686 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
1687 | Set printing of addresses."), _("\ |
1688 | Show printing of addresses."), NULL, | |
1689 | NULL, | |
920d2a44 | 1690 | show_addressprint, |
5bf193a2 | 1691 | &setprintlist, &showprintlist); |
c906108c | 1692 | |
1e8fb976 PA |
1693 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
1694 | _("\ | |
35096d9d AC |
1695 | Set default input radix for entering numbers."), _("\ |
1696 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
1697 | set_input_radix, |
1698 | show_input_radix, | |
1699 | &setlist, &showlist); | |
35096d9d | 1700 | |
1e8fb976 PA |
1701 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
1702 | _("\ | |
35096d9d AC |
1703 | Set default output radix for printing of values."), _("\ |
1704 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
1705 | set_output_radix, |
1706 | show_output_radix, | |
1707 | &setlist, &showlist); | |
c906108c | 1708 | |
cb1a6d5f AC |
1709 | /* The "set radix" and "show radix" commands are special in that |
1710 | they are like normal set and show commands but allow two normally | |
1711 | independent variables to be either set or shown with a single | |
b66df561 | 1712 | command. So the usual deprecated_add_set_cmd() and [deleted] |
cb1a6d5f | 1713 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
1714 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
1715 | longer true - show can display anything. */ | |
1a966eab AC |
1716 | add_cmd ("radix", class_support, set_radix, _("\ |
1717 | Set default input and output number radices.\n\ | |
c906108c | 1718 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 1719 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 1720 | &setlist); |
1a966eab AC |
1721 | add_cmd ("radix", class_support, show_radix, _("\ |
1722 | Show the default input and output number radices.\n\ | |
1723 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
1724 | &showlist); |
1725 | ||
e79af960 | 1726 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 1727 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
1728 | Set printing of array indexes."), _("\ |
1729 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
1730 | &setprintlist, &showprintlist); | |
c906108c | 1731 | } |