Commit | Line | Data |
---|---|---|
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, |
7b6bb8da | 5 | 2009, 2010, 2011 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 | |
581e13c1 | 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 | { | |
3e43a32a MS |
120 | fprintf_filtered (file, |
121 | _("Limit on string chars or array " | |
122 | "elements to print is %s.\n"), | |
920d2a44 AC |
123 | value); |
124 | } | |
125 | ||
c906108c SS |
126 | |
127 | /* Default input and output radixes, and output format letter. */ | |
128 | ||
129 | unsigned input_radix = 10; | |
920d2a44 AC |
130 | static void |
131 | show_input_radix (struct ui_file *file, int from_tty, | |
132 | struct cmd_list_element *c, const char *value) | |
133 | { | |
3e43a32a MS |
134 | fprintf_filtered (file, |
135 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
136 | value); |
137 | } | |
138 | ||
c906108c | 139 | unsigned output_radix = 10; |
920d2a44 AC |
140 | static void |
141 | show_output_radix (struct ui_file *file, int from_tty, | |
142 | struct cmd_list_element *c, const char *value) | |
143 | { | |
3e43a32a MS |
144 | fprintf_filtered (file, |
145 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
146 | value); |
147 | } | |
c906108c | 148 | |
e79af960 JB |
149 | /* By default we print arrays without printing the index of each element in |
150 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
151 | ||
e79af960 JB |
152 | static void |
153 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
154 | struct cmd_list_element *c, const char *value) | |
155 | { | |
156 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
157 | } | |
158 | ||
c906108c SS |
159 | /* Print repeat counts if there are more than this many repetitions of an |
160 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 161 | print routines. */ |
c906108c | 162 | |
920d2a44 AC |
163 | static void |
164 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
165 | struct cmd_list_element *c, const char *value) | |
166 | { | |
167 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
168 | value); | |
169 | } | |
c906108c | 170 | |
581e13c1 | 171 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 172 | |
920d2a44 AC |
173 | static void |
174 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
175 | struct cmd_list_element *c, const char *value) | |
176 | { | |
3e43a32a MS |
177 | fprintf_filtered (file, |
178 | _("Printing of char arrays to stop " | |
179 | "at first null char is %s.\n"), | |
920d2a44 AC |
180 | value); |
181 | } | |
c906108c | 182 | |
581e13c1 | 183 | /* Controls pretty printing of structures. */ |
c906108c | 184 | |
920d2a44 AC |
185 | static void |
186 | show_prettyprint_structs (struct ui_file *file, int from_tty, | |
187 | struct cmd_list_element *c, const char *value) | |
188 | { | |
189 | fprintf_filtered (file, _("Prettyprinting of structures is %s.\n"), value); | |
190 | } | |
c906108c SS |
191 | |
192 | /* Controls pretty printing of arrays. */ | |
193 | ||
920d2a44 AC |
194 | static void |
195 | show_prettyprint_arrays (struct ui_file *file, int from_tty, | |
196 | struct cmd_list_element *c, const char *value) | |
197 | { | |
198 | fprintf_filtered (file, _("Prettyprinting of arrays is %s.\n"), value); | |
199 | } | |
c906108c SS |
200 | |
201 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 202 | printed. */ |
c906108c | 203 | |
920d2a44 AC |
204 | static void |
205 | show_unionprint (struct ui_file *file, int from_tty, | |
206 | struct cmd_list_element *c, const char *value) | |
207 | { | |
3e43a32a MS |
208 | fprintf_filtered (file, |
209 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
210 | value); |
211 | } | |
c906108c | 212 | |
581e13c1 | 213 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 214 | |
920d2a44 AC |
215 | static void |
216 | show_addressprint (struct ui_file *file, int from_tty, | |
217 | struct cmd_list_element *c, const char *value) | |
218 | { | |
219 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
220 | } | |
c906108c | 221 | \f |
c5aa993b | 222 | |
a6bac58e TT |
223 | /* A helper function for val_print. When printing in "summary" mode, |
224 | we want to print scalar arguments, but not aggregate arguments. | |
225 | This function distinguishes between the two. */ | |
226 | ||
227 | static int | |
228 | scalar_type_p (struct type *type) | |
229 | { | |
230 | CHECK_TYPEDEF (type); | |
231 | while (TYPE_CODE (type) == TYPE_CODE_REF) | |
232 | { | |
233 | type = TYPE_TARGET_TYPE (type); | |
234 | CHECK_TYPEDEF (type); | |
235 | } | |
236 | switch (TYPE_CODE (type)) | |
237 | { | |
238 | case TYPE_CODE_ARRAY: | |
239 | case TYPE_CODE_STRUCT: | |
240 | case TYPE_CODE_UNION: | |
241 | case TYPE_CODE_SET: | |
242 | case TYPE_CODE_STRING: | |
243 | case TYPE_CODE_BITSTRING: | |
244 | return 0; | |
245 | default: | |
246 | return 1; | |
247 | } | |
248 | } | |
249 | ||
0e03807e TT |
250 | /* Helper function to check the validity of some bits of a value. |
251 | ||
252 | If TYPE represents some aggregate type (e.g., a structure), return 1. | |
253 | ||
254 | Otherwise, any of the bytes starting at OFFSET and extending for | |
255 | TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and | |
256 | return 0. The checking is done using FUNCS. | |
257 | ||
258 | Otherwise, return 1. */ | |
259 | ||
260 | static int | |
261 | valprint_check_validity (struct ui_file *stream, | |
262 | struct type *type, | |
263 | int offset, | |
264 | const struct value *val) | |
265 | { | |
266 | CHECK_TYPEDEF (type); | |
267 | ||
268 | if (TYPE_CODE (type) != TYPE_CODE_UNION | |
269 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
270 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
271 | { | |
272 | if (! value_bits_valid (val, TARGET_CHAR_BIT * offset, | |
273 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
274 | { | |
585fdaa1 | 275 | val_print_optimized_out (stream); |
0e03807e TT |
276 | return 0; |
277 | } | |
8cf6f0b1 TT |
278 | |
279 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * offset, | |
280 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
281 | { | |
282 | fputs_filtered (_("<synthetic pointer>"), stream); | |
283 | return 0; | |
284 | } | |
0e03807e TT |
285 | } |
286 | ||
287 | return 1; | |
288 | } | |
289 | ||
585fdaa1 PA |
290 | void |
291 | val_print_optimized_out (struct ui_file *stream) | |
292 | { | |
293 | fprintf_filtered (stream, _("<optimized out>")); | |
294 | } | |
295 | ||
d8ca156b JB |
296 | /* Print using the given LANGUAGE the data of type TYPE located at VALADDR |
297 | (within GDB), which came from the inferior at address ADDRESS, onto | |
79a45b7d | 298 | stdio stream STREAM according to OPTIONS. |
c906108c SS |
299 | |
300 | If the data are a string pointer, returns the number of string characters | |
301 | printed. | |
302 | ||
303 | FIXME: The data at VALADDR is in target byte order. If gdb is ever | |
304 | enhanced to be able to debug more than the single target it was compiled | |
305 | for (specific CPU type and thus specific target byte ordering), then | |
306 | either the print routines are going to have to take this into account, | |
307 | or the data is going to have to be passed into here already converted | |
581e13c1 | 308 | to the host byte ordering, whichever is more convenient. */ |
c906108c SS |
309 | |
310 | ||
311 | int | |
fc1a4b47 | 312 | val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 313 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 314 | const struct value *val, |
79a45b7d | 315 | const struct value_print_options *options, |
d8ca156b | 316 | const struct language_defn *language) |
c906108c | 317 | { |
19ca80ba DJ |
318 | volatile struct gdb_exception except; |
319 | int ret = 0; | |
79a45b7d | 320 | struct value_print_options local_opts = *options; |
c906108c | 321 | struct type *real_type = check_typedef (type); |
79a45b7d TT |
322 | |
323 | if (local_opts.pretty == Val_pretty_default) | |
324 | local_opts.pretty = (local_opts.prettyprint_structs | |
325 | ? Val_prettyprint : Val_no_prettyprint); | |
c5aa993b | 326 | |
c906108c SS |
327 | QUIT; |
328 | ||
329 | /* Ensure that the type is complete and not just a stub. If the type is | |
330 | only a stub and we can't find and substitute its complete type, then | |
331 | print appropriate string and return. */ | |
332 | ||
74a9bb82 | 333 | if (TYPE_STUB (real_type)) |
c906108c | 334 | { |
0e03807e | 335 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c SS |
336 | gdb_flush (stream); |
337 | return (0); | |
338 | } | |
c5aa993b | 339 | |
0e03807e TT |
340 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
341 | return 0; | |
342 | ||
a6bac58e TT |
343 | if (!options->raw) |
344 | { | |
345 | ret = apply_val_pretty_printer (type, valaddr, embedded_offset, | |
0e03807e TT |
346 | address, stream, recurse, |
347 | val, options, language); | |
a6bac58e TT |
348 | if (ret) |
349 | return ret; | |
350 | } | |
351 | ||
352 | /* Handle summary mode. If the value is a scalar, print it; | |
353 | otherwise, print an ellipsis. */ | |
354 | if (options->summary && !scalar_type_p (type)) | |
355 | { | |
356 | fprintf_filtered (stream, "..."); | |
357 | return 0; | |
358 | } | |
359 | ||
19ca80ba DJ |
360 | TRY_CATCH (except, RETURN_MASK_ERROR) |
361 | { | |
d8ca156b | 362 | ret = language->la_val_print (type, valaddr, embedded_offset, address, |
0e03807e TT |
363 | stream, recurse, val, |
364 | &local_opts); | |
19ca80ba DJ |
365 | } |
366 | if (except.reason < 0) | |
367 | fprintf_filtered (stream, _("<error reading variable>")); | |
368 | ||
369 | return ret; | |
c906108c SS |
370 | } |
371 | ||
806048c6 DJ |
372 | /* Check whether the value VAL is printable. Return 1 if it is; |
373 | return 0 and print an appropriate error message to STREAM if it | |
374 | is not. */ | |
c906108c | 375 | |
806048c6 DJ |
376 | static int |
377 | value_check_printable (struct value *val, struct ui_file *stream) | |
c906108c SS |
378 | { |
379 | if (val == 0) | |
380 | { | |
806048c6 | 381 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
382 | return 0; |
383 | } | |
806048c6 | 384 | |
0e03807e | 385 | if (value_entirely_optimized_out (val)) |
c906108c | 386 | { |
585fdaa1 | 387 | val_print_optimized_out (stream); |
c906108c SS |
388 | return 0; |
389 | } | |
806048c6 | 390 | |
bc3b79fd TJB |
391 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
392 | { | |
393 | fprintf_filtered (stream, _("<internal function %s>"), | |
394 | value_internal_function_name (val)); | |
395 | return 0; | |
396 | } | |
397 | ||
806048c6 DJ |
398 | return 1; |
399 | } | |
400 | ||
d8ca156b | 401 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 402 | to OPTIONS. |
806048c6 DJ |
403 | |
404 | If the data are a string pointer, returns the number of string characters | |
405 | printed. | |
406 | ||
407 | This is a preferable interface to val_print, above, because it uses | |
408 | GDB's value mechanism. */ | |
409 | ||
410 | int | |
79a45b7d TT |
411 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
412 | const struct value_print_options *options, | |
d8ca156b | 413 | const struct language_defn *language) |
806048c6 DJ |
414 | { |
415 | if (!value_check_printable (val, stream)) | |
416 | return 0; | |
417 | ||
0c3acc09 JB |
418 | if (language->la_language == language_ada) |
419 | /* The value might have a dynamic type, which would cause trouble | |
420 | below when trying to extract the value contents (since the value | |
421 | size is determined from the type size which is unknown). So | |
422 | get a fixed representation of our value. */ | |
423 | val = ada_to_fixed_value (val); | |
424 | ||
0e03807e | 425 | return val_print (value_type (val), value_contents_for_printing (val), |
42ae5230 | 426 | value_embedded_offset (val), value_address (val), |
0e03807e TT |
427 | stream, recurse, |
428 | val, options, language); | |
806048c6 DJ |
429 | } |
430 | ||
7348c5e1 JB |
431 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
432 | is printed using the current_language syntax. | |
433 | ||
434 | If the object printed is a string pointer, return the number of string | |
435 | bytes printed. */ | |
806048c6 DJ |
436 | |
437 | int | |
79a45b7d TT |
438 | value_print (struct value *val, struct ui_file *stream, |
439 | const struct value_print_options *options) | |
806048c6 DJ |
440 | { |
441 | if (!value_check_printable (val, stream)) | |
442 | return 0; | |
443 | ||
a6bac58e TT |
444 | if (!options->raw) |
445 | { | |
446 | int r = apply_val_pretty_printer (value_type (val), | |
0e03807e | 447 | value_contents_for_printing (val), |
a6bac58e TT |
448 | value_embedded_offset (val), |
449 | value_address (val), | |
0e03807e TT |
450 | stream, 0, |
451 | val, options, current_language); | |
a109c7c1 | 452 | |
a6bac58e TT |
453 | if (r) |
454 | return r; | |
455 | } | |
456 | ||
79a45b7d | 457 | return LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
458 | } |
459 | ||
460 | /* Called by various <lang>_val_print routines to print | |
461 | TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the | |
462 | value. STREAM is where to print the value. */ | |
463 | ||
464 | void | |
fc1a4b47 | 465 | val_print_type_code_int (struct type *type, const gdb_byte *valaddr, |
fba45db2 | 466 | struct ui_file *stream) |
c906108c | 467 | { |
50810684 | 468 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
d44e8473 | 469 | |
c906108c SS |
470 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
471 | { | |
472 | LONGEST val; | |
473 | ||
474 | if (TYPE_UNSIGNED (type) | |
475 | && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type), | |
e17a4113 | 476 | byte_order, &val)) |
c906108c SS |
477 | { |
478 | print_longest (stream, 'u', 0, val); | |
479 | } | |
480 | else | |
481 | { | |
482 | /* Signed, or we couldn't turn an unsigned value into a | |
483 | LONGEST. For signed values, one could assume two's | |
484 | complement (a reasonable assumption, I think) and do | |
485 | better than this. */ | |
486 | print_hex_chars (stream, (unsigned char *) valaddr, | |
d44e8473 | 487 | TYPE_LENGTH (type), byte_order); |
c906108c SS |
488 | } |
489 | } | |
490 | else | |
491 | { | |
c906108c SS |
492 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, |
493 | unpack_long (type, valaddr)); | |
c906108c SS |
494 | } |
495 | } | |
496 | ||
4f2aea11 MK |
497 | void |
498 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, | |
499 | struct ui_file *stream) | |
500 | { | |
befae759 | 501 | ULONGEST val = unpack_long (type, valaddr); |
4f2aea11 MK |
502 | int bitpos, nfields = TYPE_NFIELDS (type); |
503 | ||
504 | fputs_filtered ("[ ", stream); | |
505 | for (bitpos = 0; bitpos < nfields; bitpos++) | |
506 | { | |
316703b9 MK |
507 | if (TYPE_FIELD_BITPOS (type, bitpos) != -1 |
508 | && (val & ((ULONGEST)1 << bitpos))) | |
4f2aea11 MK |
509 | { |
510 | if (TYPE_FIELD_NAME (type, bitpos)) | |
511 | fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos)); | |
512 | else | |
513 | fprintf_filtered (stream, "#%d ", bitpos); | |
514 | } | |
515 | } | |
516 | fputs_filtered ("]", stream); | |
ab2188aa PA |
517 | |
518 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
519 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
520 | at this level. | |
521 | ||
522 | This is how the elements of an array or structure are printed | |
523 | with a format. */ | |
524 | } | |
525 | ||
526 | void | |
527 | val_print_scalar_formatted (struct type *type, | |
528 | const gdb_byte *valaddr, int embedded_offset, | |
529 | const struct value *val, | |
530 | const struct value_print_options *options, | |
531 | int size, | |
532 | struct ui_file *stream) | |
533 | { | |
534 | gdb_assert (val != NULL); | |
535 | gdb_assert (valaddr == value_contents_for_printing_const (val)); | |
536 | ||
537 | /* If we get here with a string format, try again without it. Go | |
538 | all the way back to the language printers, which may call us | |
539 | again. */ | |
540 | if (options->format == 's') | |
541 | { | |
542 | struct value_print_options opts = *options; | |
543 | opts.format = 0; | |
544 | opts.deref_ref = 0; | |
545 | val_print (type, valaddr, embedded_offset, 0, stream, 0, val, &opts, | |
546 | current_language); | |
547 | return; | |
548 | } | |
549 | ||
550 | /* A scalar object that does not have all bits available can't be | |
551 | printed, because all bits contribute to its representation. */ | |
552 | if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset, | |
553 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
554 | val_print_optimized_out (stream); | |
555 | else | |
556 | print_scalar_formatted (valaddr + embedded_offset, type, | |
557 | options, size, stream); | |
4f2aea11 MK |
558 | } |
559 | ||
c906108c SS |
560 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
561 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 562 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 563 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 564 | format. |
bb599908 PH |
565 | |
566 | USE_C_FORMAT means to use C format in all cases. Without it, | |
567 | 'o' and 'x' format do not include the standard C radix prefix | |
568 | (leading 0 or 0x). | |
569 | ||
570 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
571 | and was intended to request formating according to the current | |
572 | language and would be used for most integers that GDB prints. The | |
573 | exceptional cases were things like protocols where the format of | |
574 | the integer is a protocol thing, not a user-visible thing). The | |
575 | parameter remains to preserve the information of what things might | |
576 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 577 | that capability. */ |
c906108c SS |
578 | |
579 | void | |
bb599908 | 580 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 581 | LONGEST val_long) |
c906108c | 582 | { |
2bfb72ee AC |
583 | const char *val; |
584 | ||
c906108c SS |
585 | switch (format) |
586 | { | |
587 | case 'd': | |
bb599908 | 588 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 589 | case 'u': |
bb599908 | 590 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 591 | case 'x': |
bb599908 | 592 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 593 | case 'b': |
bb599908 | 594 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 595 | case 'h': |
bb599908 | 596 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 597 | case 'w': |
bb599908 | 598 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 599 | case 'g': |
bb599908 | 600 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
601 | break; |
602 | case 'o': | |
bb599908 | 603 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 604 | default: |
3e43a32a MS |
605 | internal_error (__FILE__, __LINE__, |
606 | _("failed internal consistency check")); | |
bb599908 | 607 | } |
2bfb72ee | 608 | fputs_filtered (val, stream); |
c906108c SS |
609 | } |
610 | ||
c906108c SS |
611 | /* This used to be a macro, but I don't think it is called often enough |
612 | to merit such treatment. */ | |
613 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
614 | arguments to a function, number in a value history, register number, etc.) | |
615 | where the value must not be larger than can fit in an int. */ | |
616 | ||
617 | int | |
fba45db2 | 618 | longest_to_int (LONGEST arg) |
c906108c | 619 | { |
581e13c1 | 620 | /* Let the compiler do the work. */ |
c906108c SS |
621 | int rtnval = (int) arg; |
622 | ||
581e13c1 | 623 | /* Check for overflows or underflows. */ |
c906108c SS |
624 | if (sizeof (LONGEST) > sizeof (int)) |
625 | { | |
626 | if (rtnval != arg) | |
627 | { | |
8a3fe4f8 | 628 | error (_("Value out of range.")); |
c906108c SS |
629 | } |
630 | } | |
631 | return (rtnval); | |
632 | } | |
633 | ||
a73c86fb AC |
634 | /* Print a floating point value of type TYPE (not always a |
635 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
636 | |
637 | void | |
fc1a4b47 | 638 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 639 | struct ui_file *stream) |
c906108c SS |
640 | { |
641 | DOUBLEST doub; | |
642 | int inv; | |
a73c86fb | 643 | const struct floatformat *fmt = NULL; |
c906108c | 644 | unsigned len = TYPE_LENGTH (type); |
20389057 | 645 | enum float_kind kind; |
c5aa993b | 646 | |
a73c86fb AC |
647 | /* If it is a floating-point, check for obvious problems. */ |
648 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
649 | fmt = floatformat_from_type (type); | |
20389057 | 650 | if (fmt != NULL) |
39424bef | 651 | { |
20389057 DJ |
652 | kind = floatformat_classify (fmt, valaddr); |
653 | if (kind == float_nan) | |
654 | { | |
655 | if (floatformat_is_negative (fmt, valaddr)) | |
656 | fprintf_filtered (stream, "-"); | |
657 | fprintf_filtered (stream, "nan("); | |
658 | fputs_filtered ("0x", stream); | |
659 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
660 | fprintf_filtered (stream, ")"); | |
661 | return; | |
662 | } | |
663 | else if (kind == float_infinite) | |
664 | { | |
665 | if (floatformat_is_negative (fmt, valaddr)) | |
666 | fputs_filtered ("-", stream); | |
667 | fputs_filtered ("inf", stream); | |
668 | return; | |
669 | } | |
7355ddba | 670 | } |
c906108c | 671 | |
a73c86fb AC |
672 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
673 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
674 | needs to be used as that takes care of any necessary type | |
675 | conversions. Such conversions are of course direct to DOUBLEST | |
676 | and disregard any possible target floating point limitations. | |
677 | For instance, a u64 would be converted and displayed exactly on a | |
678 | host with 80 bit DOUBLEST but with loss of information on a host | |
679 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 680 | |
c906108c SS |
681 | doub = unpack_double (type, valaddr, &inv); |
682 | if (inv) | |
683 | { | |
684 | fprintf_filtered (stream, "<invalid float value>"); | |
685 | return; | |
686 | } | |
687 | ||
39424bef MK |
688 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
689 | assumptions about the host and target floating point format. */ | |
690 | ||
a73c86fb | 691 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 692 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
693 | instead uses the type's length to determine the precision of the |
694 | floating-point value being printed. */ | |
c2f05ac9 | 695 | |
c906108c | 696 | if (len < sizeof (double)) |
c5aa993b | 697 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 698 | else if (len == sizeof (double)) |
c5aa993b | 699 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
700 | else |
701 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
702 | fprintf_filtered (stream, "%.35Lg", doub); | |
703 | #else | |
39424bef MK |
704 | /* This at least wins with values that are representable as |
705 | doubles. */ | |
c906108c SS |
706 | fprintf_filtered (stream, "%.17g", (double) doub); |
707 | #endif | |
708 | } | |
709 | ||
7678ef8f TJB |
710 | void |
711 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
712 | struct ui_file *stream) | |
713 | { | |
e17a4113 | 714 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
715 | char decstr[MAX_DECIMAL_STRING]; |
716 | unsigned len = TYPE_LENGTH (type); | |
717 | ||
e17a4113 | 718 | decimal_to_string (valaddr, len, byte_order, decstr); |
7678ef8f TJB |
719 | fputs_filtered (decstr, stream); |
720 | return; | |
721 | } | |
722 | ||
c5aa993b | 723 | void |
fc1a4b47 | 724 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 725 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
726 | { |
727 | ||
728 | #define BITS_IN_BYTES 8 | |
729 | ||
fc1a4b47 | 730 | const gdb_byte *p; |
745b8ca0 | 731 | unsigned int i; |
c5aa993b | 732 | int b; |
c906108c SS |
733 | |
734 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
735 | This ensures that right shift will shift in zeros. */ |
736 | ||
c5aa993b | 737 | const int mask = 0x080; |
c906108c SS |
738 | |
739 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
740 | ||
d44e8473 | 741 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
742 | { |
743 | for (p = valaddr; | |
744 | p < valaddr + len; | |
745 | p++) | |
746 | { | |
c5aa993b | 747 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
748 | and print from the MSB end. */ |
749 | ||
c5aa993b JM |
750 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
751 | { | |
752 | if (*p & (mask >> i)) | |
753 | b = 1; | |
754 | else | |
755 | b = 0; | |
756 | ||
757 | fprintf_filtered (stream, "%1d", b); | |
758 | } | |
c906108c SS |
759 | } |
760 | } | |
761 | else | |
762 | { | |
763 | for (p = valaddr + len - 1; | |
764 | p >= valaddr; | |
765 | p--) | |
766 | { | |
c5aa993b JM |
767 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
768 | { | |
769 | if (*p & (mask >> i)) | |
770 | b = 1; | |
771 | else | |
772 | b = 0; | |
773 | ||
774 | fprintf_filtered (stream, "%1d", b); | |
775 | } | |
c906108c SS |
776 | } |
777 | } | |
c906108c SS |
778 | } |
779 | ||
780 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
781 | Print it in octal on stream or format it in buf. */ |
782 | ||
c906108c | 783 | void |
fc1a4b47 | 784 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 785 | unsigned len, enum bfd_endian byte_order) |
c906108c | 786 | { |
fc1a4b47 | 787 | const gdb_byte *p; |
c906108c | 788 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
789 | int cycle; |
790 | ||
c906108c SS |
791 | /* FIXME: We should be not printing leading zeroes in most cases. */ |
792 | ||
793 | ||
794 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track | |
795 | * the extra bits, which cycle every three bytes: | |
796 | * | |
797 | * Byte side: 0 1 2 3 | |
798 | * | | | | | |
799 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
800 | * | |
801 | * Octal side: 0 1 carry 3 4 carry ... | |
802 | * | |
803 | * Cycle number: 0 1 2 | |
804 | * | |
805 | * But of course we are printing from the high side, so we have to | |
806 | * figure out where in the cycle we are so that we end up with no | |
807 | * left over bits at the end. | |
808 | */ | |
809 | #define BITS_IN_OCTAL 3 | |
810 | #define HIGH_ZERO 0340 | |
811 | #define LOW_ZERO 0016 | |
812 | #define CARRY_ZERO 0003 | |
813 | #define HIGH_ONE 0200 | |
814 | #define MID_ONE 0160 | |
815 | #define LOW_ONE 0016 | |
816 | #define CARRY_ONE 0001 | |
817 | #define HIGH_TWO 0300 | |
818 | #define MID_TWO 0070 | |
819 | #define LOW_TWO 0007 | |
820 | ||
821 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
822 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
823 | ||
c906108c SS |
824 | cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL; |
825 | carry = 0; | |
c5aa993b | 826 | |
bb599908 | 827 | fputs_filtered ("0", stream); |
d44e8473 | 828 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
829 | { |
830 | for (p = valaddr; | |
831 | p < valaddr + len; | |
832 | p++) | |
833 | { | |
c5aa993b JM |
834 | switch (cycle) |
835 | { | |
836 | case 0: | |
581e13c1 MS |
837 | /* No carry in, carry out two bits. */ |
838 | ||
c5aa993b JM |
839 | octa1 = (HIGH_ZERO & *p) >> 5; |
840 | octa2 = (LOW_ZERO & *p) >> 2; | |
841 | carry = (CARRY_ZERO & *p); | |
842 | fprintf_filtered (stream, "%o", octa1); | |
843 | fprintf_filtered (stream, "%o", octa2); | |
844 | break; | |
845 | ||
846 | case 1: | |
581e13c1 MS |
847 | /* Carry in two bits, carry out one bit. */ |
848 | ||
c5aa993b JM |
849 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
850 | octa2 = (MID_ONE & *p) >> 4; | |
851 | octa3 = (LOW_ONE & *p) >> 1; | |
852 | carry = (CARRY_ONE & *p); | |
853 | fprintf_filtered (stream, "%o", octa1); | |
854 | fprintf_filtered (stream, "%o", octa2); | |
855 | fprintf_filtered (stream, "%o", octa3); | |
856 | break; | |
857 | ||
858 | case 2: | |
581e13c1 MS |
859 | /* Carry in one bit, no carry out. */ |
860 | ||
c5aa993b JM |
861 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
862 | octa2 = (MID_TWO & *p) >> 3; | |
863 | octa3 = (LOW_TWO & *p); | |
864 | carry = 0; | |
865 | fprintf_filtered (stream, "%o", octa1); | |
866 | fprintf_filtered (stream, "%o", octa2); | |
867 | fprintf_filtered (stream, "%o", octa3); | |
868 | break; | |
869 | ||
870 | default: | |
8a3fe4f8 | 871 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
872 | } |
873 | ||
874 | cycle++; | |
875 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
876 | } |
877 | } | |
878 | else | |
879 | { | |
880 | for (p = valaddr + len - 1; | |
881 | p >= valaddr; | |
882 | p--) | |
883 | { | |
c5aa993b JM |
884 | switch (cycle) |
885 | { | |
886 | case 0: | |
887 | /* Carry out, no carry in */ | |
581e13c1 | 888 | |
c5aa993b JM |
889 | octa1 = (HIGH_ZERO & *p) >> 5; |
890 | octa2 = (LOW_ZERO & *p) >> 2; | |
891 | carry = (CARRY_ZERO & *p); | |
892 | fprintf_filtered (stream, "%o", octa1); | |
893 | fprintf_filtered (stream, "%o", octa2); | |
894 | break; | |
895 | ||
896 | case 1: | |
897 | /* Carry in, carry out */ | |
581e13c1 | 898 | |
c5aa993b JM |
899 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
900 | octa2 = (MID_ONE & *p) >> 4; | |
901 | octa3 = (LOW_ONE & *p) >> 1; | |
902 | carry = (CARRY_ONE & *p); | |
903 | fprintf_filtered (stream, "%o", octa1); | |
904 | fprintf_filtered (stream, "%o", octa2); | |
905 | fprintf_filtered (stream, "%o", octa3); | |
906 | break; | |
907 | ||
908 | case 2: | |
909 | /* Carry in, no carry out */ | |
581e13c1 | 910 | |
c5aa993b JM |
911 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
912 | octa2 = (MID_TWO & *p) >> 3; | |
913 | octa3 = (LOW_TWO & *p); | |
914 | carry = 0; | |
915 | fprintf_filtered (stream, "%o", octa1); | |
916 | fprintf_filtered (stream, "%o", octa2); | |
917 | fprintf_filtered (stream, "%o", octa3); | |
918 | break; | |
919 | ||
920 | default: | |
8a3fe4f8 | 921 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
922 | } |
923 | ||
924 | cycle++; | |
925 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
926 | } |
927 | } | |
928 | ||
c906108c SS |
929 | } |
930 | ||
931 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
932 | Print it in decimal on stream or format it in buf. */ |
933 | ||
c906108c | 934 | void |
fc1a4b47 | 935 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 936 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
937 | { |
938 | #define TEN 10 | |
c5aa993b | 939 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
940 | #define CARRY_LEFT( x ) ((x) % TEN) |
941 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
942 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
943 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
944 | ||
fc1a4b47 | 945 | const gdb_byte *p; |
c906108c | 946 | unsigned char *digits; |
c5aa993b JM |
947 | int carry; |
948 | int decimal_len; | |
949 | int i, j, decimal_digits; | |
950 | int dummy; | |
951 | int flip; | |
952 | ||
c906108c | 953 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
954 | as the base 16 number, which is 2 digits per byte. */ |
955 | ||
c906108c | 956 | decimal_len = len * 2 * 2; |
3c37485b | 957 | digits = xmalloc (decimal_len); |
c906108c | 958 | |
c5aa993b JM |
959 | for (i = 0; i < decimal_len; i++) |
960 | { | |
c906108c | 961 | digits[i] = 0; |
c5aa993b | 962 | } |
c906108c | 963 | |
c906108c SS |
964 | /* Ok, we have an unknown number of bytes of data to be printed in |
965 | * decimal. | |
966 | * | |
967 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
968 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
969 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
970 | * | |
971 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 972 | * the individual digits are > 10. |
c906108c SS |
973 | * |
974 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
975 | * LSD end. | |
976 | */ | |
c5aa993b | 977 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 978 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 979 | flip = 0; |
d44e8473 | 980 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 981 | { |
c906108c SS |
982 | /* |
983 | * Multiply current base-ten number by 16 in place. | |
984 | * Each digit was between 0 and 9, now is between | |
985 | * 0 and 144. | |
986 | */ | |
c5aa993b JM |
987 | for (j = 0; j < decimal_digits; j++) |
988 | { | |
989 | digits[j] = SHIFT (digits[j]); | |
990 | } | |
991 | ||
c906108c SS |
992 | /* Take the next nibble off the input and add it to what |
993 | * we've got in the LSB position. Bottom 'digit' is now | |
994 | * between 0 and 159. | |
995 | * | |
996 | * "flip" is used to run this loop twice for each byte. | |
997 | */ | |
c5aa993b JM |
998 | if (flip == 0) |
999 | { | |
581e13c1 MS |
1000 | /* Take top nibble. */ |
1001 | ||
c5aa993b JM |
1002 | digits[0] += HIGH_NIBBLE (*p); |
1003 | flip = 1; | |
1004 | } | |
1005 | else | |
1006 | { | |
581e13c1 MS |
1007 | /* Take low nibble and bump our pointer "p". */ |
1008 | ||
c5aa993b | 1009 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1010 | if (byte_order == BFD_ENDIAN_BIG) |
1011 | p++; | |
1012 | else | |
1013 | p--; | |
c5aa993b JM |
1014 | flip = 0; |
1015 | } | |
c906108c SS |
1016 | |
1017 | /* Re-decimalize. We have to do this often enough | |
1018 | * that we don't overflow, but once per nibble is | |
1019 | * overkill. Easier this way, though. Note that the | |
1020 | * carry is often larger than 10 (e.g. max initial | |
1021 | * carry out of lowest nibble is 15, could bubble all | |
1022 | * the way up greater than 10). So we have to do | |
1023 | * the carrying beyond the last current digit. | |
1024 | */ | |
1025 | carry = 0; | |
c5aa993b JM |
1026 | for (j = 0; j < decimal_len - 1; j++) |
1027 | { | |
1028 | digits[j] += carry; | |
1029 | ||
1030 | /* "/" won't handle an unsigned char with | |
1031 | * a value that if signed would be negative. | |
1032 | * So extend to longword int via "dummy". | |
1033 | */ | |
1034 | dummy = digits[j]; | |
1035 | carry = CARRY_OUT (dummy); | |
1036 | digits[j] = CARRY_LEFT (dummy); | |
1037 | ||
1038 | if (j >= decimal_digits && carry == 0) | |
1039 | { | |
1040 | /* | |
1041 | * All higher digits are 0 and we | |
1042 | * no longer have a carry. | |
1043 | * | |
1044 | * Note: "j" is 0-based, "decimal_digits" is | |
1045 | * 1-based. | |
1046 | */ | |
1047 | decimal_digits = j + 1; | |
1048 | break; | |
1049 | } | |
1050 | } | |
1051 | } | |
c906108c SS |
1052 | |
1053 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1054 | the "decimal_digits" actual digits. Print! */ |
1055 | ||
c5aa993b JM |
1056 | for (i = decimal_digits - 1; i >= 0; i--) |
1057 | { | |
1058 | fprintf_filtered (stream, "%1d", digits[i]); | |
1059 | } | |
b8c9b27d | 1060 | xfree (digits); |
c906108c SS |
1061 | } |
1062 | ||
1063 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1064 | ||
6b9acc27 | 1065 | void |
fc1a4b47 | 1066 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1067 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1068 | { |
fc1a4b47 | 1069 | const gdb_byte *p; |
c906108c SS |
1070 | |
1071 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1072 | ||
bb599908 | 1073 | fputs_filtered ("0x", stream); |
d44e8473 | 1074 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1075 | { |
1076 | for (p = valaddr; | |
1077 | p < valaddr + len; | |
1078 | p++) | |
1079 | { | |
1080 | fprintf_filtered (stream, "%02x", *p); | |
1081 | } | |
1082 | } | |
1083 | else | |
1084 | { | |
1085 | for (p = valaddr + len - 1; | |
1086 | p >= valaddr; | |
1087 | p--) | |
1088 | { | |
1089 | fprintf_filtered (stream, "%02x", *p); | |
1090 | } | |
1091 | } | |
c906108c SS |
1092 | } |
1093 | ||
3e43a32a | 1094 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1095 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1096 | Omit any leading zero chars. */ |
1097 | ||
1098 | void | |
6c7a06a3 TT |
1099 | print_char_chars (struct ui_file *stream, struct type *type, |
1100 | const gdb_byte *valaddr, | |
d44e8473 | 1101 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1102 | { |
fc1a4b47 | 1103 | const gdb_byte *p; |
6b9acc27 | 1104 | |
d44e8473 | 1105 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1106 | { |
1107 | p = valaddr; | |
1108 | while (p < valaddr + len - 1 && *p == 0) | |
1109 | ++p; | |
1110 | ||
1111 | while (p < valaddr + len) | |
1112 | { | |
6c7a06a3 | 1113 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1114 | ++p; |
1115 | } | |
1116 | } | |
1117 | else | |
1118 | { | |
1119 | p = valaddr + len - 1; | |
1120 | while (p > valaddr && *p == 0) | |
1121 | --p; | |
1122 | ||
1123 | while (p >= valaddr) | |
1124 | { | |
6c7a06a3 | 1125 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1126 | --p; |
1127 | } | |
1128 | } | |
1129 | } | |
1130 | ||
79a45b7d | 1131 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1132 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1133 | ||
1134 | void | |
1135 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1136 | struct ui_file *stream, |
1137 | const struct value_print_options *options) | |
e79af960 JB |
1138 | { |
1139 | struct value *index_value; | |
1140 | ||
79a45b7d | 1141 | if (!options->print_array_indexes) |
e79af960 JB |
1142 | return; |
1143 | ||
1144 | index_value = value_from_longest (index_type, index); | |
1145 | ||
79a45b7d TT |
1146 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1147 | } | |
e79af960 | 1148 | |
c906108c | 1149 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1150 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1151 | |
c5aa993b JM |
1152 | (FIXME?) Assumes array element separator is a comma, which is correct |
1153 | for all languages currently handled. | |
1154 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1155 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1156 | |
1157 | void | |
490f124f PA |
1158 | val_print_array_elements (struct type *type, |
1159 | const gdb_byte *valaddr, int embedded_offset, | |
a2bd3dcd | 1160 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1161 | int recurse, |
0e03807e | 1162 | const struct value *val, |
79a45b7d | 1163 | const struct value_print_options *options, |
fba45db2 | 1164 | unsigned int i) |
c906108c SS |
1165 | { |
1166 | unsigned int things_printed = 0; | |
1167 | unsigned len; | |
e79af960 | 1168 | struct type *elttype, *index_type; |
c906108c SS |
1169 | unsigned eltlen; |
1170 | /* Position of the array element we are examining to see | |
1171 | whether it is repeated. */ | |
1172 | unsigned int rep1; | |
1173 | /* Number of repetitions we have detected so far. */ | |
1174 | unsigned int reps; | |
dbc98a8b | 1175 | LONGEST low_bound, high_bound; |
c5aa993b | 1176 | |
c906108c SS |
1177 | elttype = TYPE_TARGET_TYPE (type); |
1178 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
e79af960 | 1179 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1180 | |
dbc98a8b | 1181 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b JB |
1182 | { |
1183 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1. | |
1184 | But we have to be a little extra careful, because some languages | |
1185 | such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for | |
1186 | empty arrays. In that situation, the array length is just zero, | |
1187 | not negative! */ | |
1188 | if (low_bound > high_bound) | |
1189 | len = 0; | |
1190 | else | |
1191 | len = high_bound - low_bound + 1; | |
1192 | } | |
e936309c JB |
1193 | else |
1194 | { | |
dbc98a8b KW |
1195 | warning (_("unable to get bounds of array, assuming null array")); |
1196 | low_bound = 0; | |
1197 | len = 0; | |
168de233 JB |
1198 | } |
1199 | ||
c906108c SS |
1200 | annotate_array_section_begin (i, elttype); |
1201 | ||
79a45b7d | 1202 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1203 | { |
1204 | if (i != 0) | |
1205 | { | |
79a45b7d | 1206 | if (options->prettyprint_arrays) |
c906108c SS |
1207 | { |
1208 | fprintf_filtered (stream, ",\n"); | |
1209 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1210 | } | |
1211 | else | |
1212 | { | |
1213 | fprintf_filtered (stream, ", "); | |
1214 | } | |
1215 | } | |
1216 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 1217 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 1218 | stream, options); |
c906108c SS |
1219 | |
1220 | rep1 = i + 1; | |
1221 | reps = 1; | |
490f124f PA |
1222 | while (rep1 < len |
1223 | && memcmp (valaddr + embedded_offset + i * eltlen, | |
1224 | valaddr + embedded_offset + rep1 * eltlen, | |
1225 | eltlen) == 0) | |
c906108c SS |
1226 | { |
1227 | ++reps; | |
1228 | ++rep1; | |
1229 | } | |
1230 | ||
79a45b7d | 1231 | if (reps > options->repeat_count_threshold) |
c906108c | 1232 | { |
490f124f PA |
1233 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1234 | address, stream, recurse + 1, val, options, | |
1235 | current_language); | |
c906108c SS |
1236 | annotate_elt_rep (reps); |
1237 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
1238 | annotate_elt_rep_end (); | |
1239 | ||
1240 | i = rep1 - 1; | |
79a45b7d | 1241 | things_printed += options->repeat_count_threshold; |
c906108c SS |
1242 | } |
1243 | else | |
1244 | { | |
490f124f PA |
1245 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1246 | address, | |
0e03807e | 1247 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1248 | annotate_elt (); |
1249 | things_printed++; | |
1250 | } | |
1251 | } | |
1252 | annotate_array_section_end (); | |
1253 | if (i < len) | |
1254 | { | |
1255 | fprintf_filtered (stream, "..."); | |
1256 | } | |
1257 | } | |
1258 | ||
917317f4 JM |
1259 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1260 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
1261 | actually read, and optionally an errno value in the location | |
581e13c1 | 1262 | pointed to by ERRNOPTR if ERRNOPTR is non-null. */ |
917317f4 JM |
1263 | |
1264 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1265 | function be eliminated. */ | |
1266 | ||
1267 | static int | |
3e43a32a MS |
1268 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
1269 | int len, int *errnoptr) | |
917317f4 | 1270 | { |
581e13c1 MS |
1271 | int nread; /* Number of bytes actually read. */ |
1272 | int errcode; /* Error from last read. */ | |
917317f4 | 1273 | |
581e13c1 | 1274 | /* First try a complete read. */ |
917317f4 JM |
1275 | errcode = target_read_memory (memaddr, myaddr, len); |
1276 | if (errcode == 0) | |
1277 | { | |
581e13c1 | 1278 | /* Got it all. */ |
917317f4 JM |
1279 | nread = len; |
1280 | } | |
1281 | else | |
1282 | { | |
581e13c1 | 1283 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
1284 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
1285 | { | |
1286 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
1287 | } | |
581e13c1 | 1288 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
1289 | if (errcode != 0) |
1290 | { | |
1291 | nread--; | |
1292 | } | |
1293 | } | |
1294 | if (errnoptr != NULL) | |
1295 | { | |
1296 | *errnoptr = errcode; | |
1297 | } | |
1298 | return (nread); | |
1299 | } | |
1300 | ||
ae6a3a4c TJB |
1301 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
1302 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
1303 | allocated buffer containing the string, which the caller is responsible to | |
1304 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
1305 | success, or errno on failure. | |
1306 | ||
1307 | If LEN > 0, reads exactly LEN characters (including eventual NULs in | |
1308 | the middle or end of the string). If LEN is -1, stops at the first | |
1309 | null character (not necessarily the first null byte) up to a maximum | |
1310 | of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many | |
1311 | characters as possible from the string. | |
1312 | ||
1313 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
1314 | failure. In this case, some characters might have been read before the | |
1315 | failure happened. Check BYTES_READ to recognize this situation. | |
1316 | ||
1317 | Note: There was a FIXME asking to make this code use target_read_string, | |
1318 | but this function is more general (can read past null characters, up to | |
581e13c1 | 1319 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
1320 | so it is more tested. Perhaps callers of target_read_string should use |
1321 | this function instead? */ | |
c906108c SS |
1322 | |
1323 | int | |
ae6a3a4c | 1324 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 1325 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 1326 | { |
ae6a3a4c TJB |
1327 | int found_nul; /* Non-zero if we found the nul char. */ |
1328 | int errcode; /* Errno returned from bad reads. */ | |
1329 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
1330 | unsigned int chunksize; /* Size of each fetch, in chars. */ | |
3e43a32a MS |
1331 | gdb_byte *bufptr; /* Pointer to next available byte in |
1332 | buffer. */ | |
ae6a3a4c TJB |
1333 | gdb_byte *limit; /* First location past end of fetch buffer. */ |
1334 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
1335 | ||
1336 | /* Decide how large of chunks to try to read in one operation. This | |
c906108c SS |
1337 | is also pretty simple. If LEN >= zero, then we want fetchlimit chars, |
1338 | so we might as well read them all in one operation. If LEN is -1, we | |
ae6a3a4c | 1339 | are looking for a NUL terminator to end the fetching, so we might as |
c906108c SS |
1340 | well read in blocks that are large enough to be efficient, but not so |
1341 | large as to be slow if fetchlimit happens to be large. So we choose the | |
1342 | minimum of 8 and fetchlimit. We used to use 200 instead of 8 but | |
1343 | 200 is way too big for remote debugging over a serial line. */ | |
1344 | ||
1345 | chunksize = (len == -1 ? min (8, fetchlimit) : fetchlimit); | |
1346 | ||
ae6a3a4c TJB |
1347 | /* Loop until we either have all the characters, or we encounter |
1348 | some error, such as bumping into the end of the address space. */ | |
c906108c SS |
1349 | |
1350 | found_nul = 0; | |
b5096abe PM |
1351 | *buffer = NULL; |
1352 | ||
1353 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
1354 | |
1355 | if (len > 0) | |
1356 | { | |
ae6a3a4c TJB |
1357 | *buffer = (gdb_byte *) xmalloc (len * width); |
1358 | bufptr = *buffer; | |
c906108c | 1359 | |
917317f4 | 1360 | nfetch = partial_memory_read (addr, bufptr, len * width, &errcode) |
c906108c SS |
1361 | / width; |
1362 | addr += nfetch * width; | |
1363 | bufptr += nfetch * width; | |
1364 | } | |
1365 | else if (len == -1) | |
1366 | { | |
1367 | unsigned long bufsize = 0; | |
ae6a3a4c | 1368 | |
c906108c SS |
1369 | do |
1370 | { | |
1371 | QUIT; | |
1372 | nfetch = min (chunksize, fetchlimit - bufsize); | |
1373 | ||
ae6a3a4c TJB |
1374 | if (*buffer == NULL) |
1375 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 1376 | else |
b5096abe PM |
1377 | *buffer = (gdb_byte *) xrealloc (*buffer, |
1378 | (nfetch + bufsize) * width); | |
c906108c | 1379 | |
ae6a3a4c | 1380 | bufptr = *buffer + bufsize * width; |
c906108c SS |
1381 | bufsize += nfetch; |
1382 | ||
ae6a3a4c | 1383 | /* Read as much as we can. */ |
917317f4 | 1384 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 1385 | / width; |
c906108c | 1386 | |
ae6a3a4c | 1387 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
1388 | to print. If found, we don't need to fetch any more. Note |
1389 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
1390 | after the null character, or at the next character after the end |
1391 | of the buffer. */ | |
c906108c SS |
1392 | |
1393 | limit = bufptr + nfetch * width; | |
1394 | while (bufptr < limit) | |
1395 | { | |
1396 | unsigned long c; | |
1397 | ||
e17a4113 | 1398 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
1399 | addr += width; |
1400 | bufptr += width; | |
1401 | if (c == 0) | |
1402 | { | |
1403 | /* We don't care about any error which happened after | |
ae6a3a4c | 1404 | the NUL terminator. */ |
c906108c SS |
1405 | errcode = 0; |
1406 | found_nul = 1; | |
1407 | break; | |
1408 | } | |
1409 | } | |
1410 | } | |
c5aa993b | 1411 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
1412 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
1413 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
1414 | } |
1415 | else | |
ae6a3a4c TJB |
1416 | { /* Length of string is really 0! */ |
1417 | /* We always allocate *buffer. */ | |
1418 | *buffer = bufptr = xmalloc (1); | |
c906108c SS |
1419 | errcode = 0; |
1420 | } | |
1421 | ||
1422 | /* bufptr and addr now point immediately beyond the last byte which we | |
1423 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
1424 | *bytes_read = bufptr - *buffer; |
1425 | ||
1426 | QUIT; | |
1427 | ||
1428 | discard_cleanups (old_chain); | |
1429 | ||
1430 | return errcode; | |
1431 | } | |
1432 | ||
1433 | /* Print a string from the inferior, starting at ADDR and printing up to LEN | |
1434 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
1435 | stops at the first null byte, otherwise printing proceeds (including null | |
1436 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
1437 | whichever is smaller. ENCODING is the name of the string's |
1438 | encoding. It can be NULL, in which case the target encoding is | |
1439 | assumed. */ | |
ae6a3a4c TJB |
1440 | |
1441 | int | |
09ca9e2e TT |
1442 | val_print_string (struct type *elttype, const char *encoding, |
1443 | CORE_ADDR addr, int len, | |
6c7a06a3 | 1444 | struct ui_file *stream, |
ae6a3a4c TJB |
1445 | const struct value_print_options *options) |
1446 | { | |
1447 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
1448 | int errcode; /* Errno returned from bad reads. */ | |
581e13c1 | 1449 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
1450 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
1451 | int bytes_read; | |
1452 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
1453 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 1454 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 1455 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 1456 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
1457 | |
1458 | /* First we need to figure out the limit on the number of characters we are | |
1459 | going to attempt to fetch and print. This is actually pretty simple. If | |
1460 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
1461 | LEN is -1, then the limit is print_max. This is true regardless of | |
1462 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
1463 | because finding the null byte (or available memory) is what actually | |
1464 | limits the fetch. */ | |
1465 | ||
3e43a32a MS |
1466 | fetchlimit = (len == -1 ? options->print_max : min (len, |
1467 | options->print_max)); | |
ae6a3a4c | 1468 | |
e17a4113 UW |
1469 | errcode = read_string (addr, len, width, fetchlimit, byte_order, |
1470 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
1471 | old_chain = make_cleanup (xfree, buffer); |
1472 | ||
1473 | addr += bytes_read; | |
c906108c | 1474 | |
3e43a32a MS |
1475 | /* We now have either successfully filled the buffer to fetchlimit, |
1476 | or terminated early due to an error or finding a null char when | |
1477 | LEN is -1. */ | |
ae6a3a4c TJB |
1478 | |
1479 | /* Determine found_nul by looking at the last character read. */ | |
e17a4113 UW |
1480 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, |
1481 | byte_order) == 0; | |
c906108c SS |
1482 | if (len == -1 && !found_nul) |
1483 | { | |
777ea8f1 | 1484 | gdb_byte *peekbuf; |
c906108c | 1485 | |
ae6a3a4c | 1486 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
1487 | to peek at the next character. If not successful, or it is not |
1488 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 1489 | |
777ea8f1 | 1490 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
1491 | |
1492 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 1493 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
1494 | force_ellipsis = 1; |
1495 | } | |
ae6a3a4c | 1496 | else if ((len >= 0 && errcode != 0) || (len > bytes_read / width)) |
c906108c SS |
1497 | { |
1498 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 1499 | than the number of characters actually requested, always make us |
ae6a3a4c | 1500 | print ellipsis. */ |
c906108c SS |
1501 | force_ellipsis = 1; |
1502 | } | |
1503 | ||
c906108c SS |
1504 | /* If we get an error before fetching anything, don't print a string. |
1505 | But if we fetch something and then get an error, print the string | |
1506 | and then the error message. */ | |
ae6a3a4c | 1507 | if (errcode == 0 || bytes_read > 0) |
c906108c | 1508 | { |
79a45b7d | 1509 | if (options->addressprint) |
c906108c SS |
1510 | { |
1511 | fputs_filtered (" ", stream); | |
1512 | } | |
be759fcf | 1513 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 1514 | encoding, force_ellipsis, options); |
c906108c SS |
1515 | } |
1516 | ||
1517 | if (errcode != 0) | |
1518 | { | |
1519 | if (errcode == EIO) | |
1520 | { | |
1521 | fprintf_filtered (stream, " <Address "); | |
5af949e3 | 1522 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1523 | fprintf_filtered (stream, " out of bounds>"); |
1524 | } | |
1525 | else | |
1526 | { | |
1527 | fprintf_filtered (stream, " <Error reading address "); | |
5af949e3 | 1528 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1529 | fprintf_filtered (stream, ": %s>", safe_strerror (errcode)); |
1530 | } | |
1531 | } | |
ae6a3a4c | 1532 | |
c906108c SS |
1533 | gdb_flush (stream); |
1534 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
1535 | |
1536 | return (bytes_read / width); | |
c906108c | 1537 | } |
c906108c | 1538 | \f |
c5aa993b | 1539 | |
09e6485f PA |
1540 | /* The 'set input-radix' command writes to this auxiliary variable. |
1541 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
1542 | it is left unchanged. */ | |
1543 | ||
1544 | static unsigned input_radix_1 = 10; | |
1545 | ||
c906108c SS |
1546 | /* Validate an input or output radix setting, and make sure the user |
1547 | knows what they really did here. Radix setting is confusing, e.g. | |
1548 | setting the input radix to "10" never changes it! */ | |
1549 | ||
c906108c | 1550 | static void |
fba45db2 | 1551 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1552 | { |
09e6485f | 1553 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
1554 | } |
1555 | ||
c906108c | 1556 | static void |
fba45db2 | 1557 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1558 | { |
1559 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
1560 | make any mathematical sense. In theory, we can deal with any input | |
1561 | radix greater than 1, even if we don't have unique digits for every | |
1562 | value from 0 to radix-1, but in practice we lose on large radix values. | |
1563 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 1564 | (FIXME). */ |
c906108c SS |
1565 | |
1566 | if (radix < 2) | |
1567 | { | |
09e6485f | 1568 | input_radix_1 = input_radix; |
8a3fe4f8 | 1569 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
1570 | radix); |
1571 | } | |
09e6485f | 1572 | input_radix_1 = input_radix = radix; |
c906108c SS |
1573 | if (from_tty) |
1574 | { | |
3e43a32a MS |
1575 | printf_filtered (_("Input radix now set to " |
1576 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1577 | radix, radix, radix); |
1578 | } | |
1579 | } | |
1580 | ||
09e6485f PA |
1581 | /* The 'set output-radix' command writes to this auxiliary variable. |
1582 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
1583 | otherwise, it is left unchanged. */ | |
1584 | ||
1585 | static unsigned output_radix_1 = 10; | |
1586 | ||
c906108c | 1587 | static void |
fba45db2 | 1588 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1589 | { |
09e6485f | 1590 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
1591 | } |
1592 | ||
1593 | static void | |
fba45db2 | 1594 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1595 | { |
1596 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 1597 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
1598 | switch (radix) |
1599 | { | |
1600 | case 16: | |
79a45b7d | 1601 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
1602 | break; |
1603 | case 10: | |
79a45b7d | 1604 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
1605 | break; |
1606 | case 8: | |
79a45b7d | 1607 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
1608 | break; |
1609 | default: | |
09e6485f | 1610 | output_radix_1 = output_radix; |
3e43a32a MS |
1611 | error (_("Unsupported output radix ``decimal %u''; " |
1612 | "output radix unchanged."), | |
c906108c SS |
1613 | radix); |
1614 | } | |
09e6485f | 1615 | output_radix_1 = output_radix = radix; |
c906108c SS |
1616 | if (from_tty) |
1617 | { | |
3e43a32a MS |
1618 | printf_filtered (_("Output radix now set to " |
1619 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1620 | radix, radix, radix); |
1621 | } | |
1622 | } | |
1623 | ||
1624 | /* Set both the input and output radix at once. Try to set the output radix | |
1625 | first, since it has the most restrictive range. An radix that is valid as | |
1626 | an output radix is also valid as an input radix. | |
1627 | ||
1628 | It may be useful to have an unusual input radix. If the user wishes to | |
1629 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 1630 | the 'set input-radix' command. */ |
c906108c SS |
1631 | |
1632 | static void | |
fba45db2 | 1633 | set_radix (char *arg, int from_tty) |
c906108c SS |
1634 | { |
1635 | unsigned radix; | |
1636 | ||
bb518678 | 1637 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
1638 | set_output_radix_1 (0, radix); |
1639 | set_input_radix_1 (0, radix); | |
1640 | if (from_tty) | |
1641 | { | |
3e43a32a MS |
1642 | printf_filtered (_("Input and output radices now set to " |
1643 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1644 | radix, radix, radix); |
1645 | } | |
1646 | } | |
1647 | ||
581e13c1 | 1648 | /* Show both the input and output radices. */ |
c906108c | 1649 | |
c906108c | 1650 | static void |
fba45db2 | 1651 | show_radix (char *arg, int from_tty) |
c906108c SS |
1652 | { |
1653 | if (from_tty) | |
1654 | { | |
1655 | if (input_radix == output_radix) | |
1656 | { | |
3e43a32a MS |
1657 | printf_filtered (_("Input and output radices set to " |
1658 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1659 | input_radix, input_radix, input_radix); |
1660 | } | |
1661 | else | |
1662 | { | |
3e43a32a MS |
1663 | printf_filtered (_("Input radix set to decimal " |
1664 | "%u, hex %x, octal %o.\n"), | |
c906108c | 1665 | input_radix, input_radix, input_radix); |
3e43a32a MS |
1666 | printf_filtered (_("Output radix set to decimal " |
1667 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
1668 | output_radix, output_radix, output_radix); |
1669 | } | |
1670 | } | |
1671 | } | |
c906108c | 1672 | \f |
c5aa993b | 1673 | |
c906108c | 1674 | static void |
fba45db2 | 1675 | set_print (char *arg, int from_tty) |
c906108c SS |
1676 | { |
1677 | printf_unfiltered ( | |
c5aa993b | 1678 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
c906108c SS |
1679 | help_list (setprintlist, "set print ", -1, gdb_stdout); |
1680 | } | |
1681 | ||
c906108c | 1682 | static void |
fba45db2 | 1683 | show_print (char *args, int from_tty) |
c906108c SS |
1684 | { |
1685 | cmd_show_list (showprintlist, from_tty, ""); | |
1686 | } | |
1687 | \f | |
1688 | void | |
fba45db2 | 1689 | _initialize_valprint (void) |
c906108c | 1690 | { |
c906108c | 1691 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 1692 | _("Generic command for setting how things print."), |
c906108c | 1693 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 1694 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 1695 | /* Prefer set print to set prompt. */ |
c906108c SS |
1696 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
1697 | ||
1698 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 1699 | _("Generic command for showing print settings."), |
c906108c | 1700 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
1701 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
1702 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 1703 | |
79a45b7d TT |
1704 | add_setshow_uinteger_cmd ("elements", no_class, |
1705 | &user_print_options.print_max, _("\ | |
35096d9d AC |
1706 | Set limit on string chars or array elements to print."), _("\ |
1707 | Show limit on string chars or array elements to print."), _("\ | |
1708 | \"set print elements 0\" causes there to be no limit."), | |
1709 | NULL, | |
920d2a44 | 1710 | show_print_max, |
35096d9d | 1711 | &setprintlist, &showprintlist); |
c906108c | 1712 | |
79a45b7d TT |
1713 | add_setshow_boolean_cmd ("null-stop", no_class, |
1714 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
1715 | Set printing of char arrays to stop at first null char."), _("\ |
1716 | Show printing of char arrays to stop at first null char."), NULL, | |
1717 | NULL, | |
920d2a44 | 1718 | show_stop_print_at_null, |
5bf193a2 | 1719 | &setprintlist, &showprintlist); |
c906108c | 1720 | |
35096d9d | 1721 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 1722 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
1723 | Set threshold for repeated print elements."), _("\ |
1724 | Show threshold for repeated print elements."), _("\ | |
1725 | \"set print repeats 0\" causes all elements to be individually printed."), | |
1726 | NULL, | |
920d2a44 | 1727 | show_repeat_count_threshold, |
35096d9d | 1728 | &setprintlist, &showprintlist); |
c906108c | 1729 | |
79a45b7d TT |
1730 | add_setshow_boolean_cmd ("pretty", class_support, |
1731 | &user_print_options.prettyprint_structs, _("\ | |
5bf193a2 AC |
1732 | Set prettyprinting of structures."), _("\ |
1733 | Show prettyprinting of structures."), NULL, | |
1734 | NULL, | |
920d2a44 | 1735 | show_prettyprint_structs, |
5bf193a2 AC |
1736 | &setprintlist, &showprintlist); |
1737 | ||
79a45b7d TT |
1738 | add_setshow_boolean_cmd ("union", class_support, |
1739 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
1740 | Set printing of unions interior to structures."), _("\ |
1741 | Show printing of unions interior to structures."), NULL, | |
1742 | NULL, | |
920d2a44 | 1743 | show_unionprint, |
5bf193a2 AC |
1744 | &setprintlist, &showprintlist); |
1745 | ||
79a45b7d TT |
1746 | add_setshow_boolean_cmd ("array", class_support, |
1747 | &user_print_options.prettyprint_arrays, _("\ | |
5bf193a2 AC |
1748 | Set prettyprinting of arrays."), _("\ |
1749 | Show prettyprinting of arrays."), NULL, | |
1750 | NULL, | |
920d2a44 | 1751 | show_prettyprint_arrays, |
5bf193a2 AC |
1752 | &setprintlist, &showprintlist); |
1753 | ||
79a45b7d TT |
1754 | add_setshow_boolean_cmd ("address", class_support, |
1755 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
1756 | Set printing of addresses."), _("\ |
1757 | Show printing of addresses."), NULL, | |
1758 | NULL, | |
920d2a44 | 1759 | show_addressprint, |
5bf193a2 | 1760 | &setprintlist, &showprintlist); |
c906108c | 1761 | |
1e8fb976 PA |
1762 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
1763 | _("\ | |
35096d9d AC |
1764 | Set default input radix for entering numbers."), _("\ |
1765 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
1766 | set_input_radix, |
1767 | show_input_radix, | |
1768 | &setlist, &showlist); | |
35096d9d | 1769 | |
1e8fb976 PA |
1770 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
1771 | _("\ | |
35096d9d AC |
1772 | Set default output radix for printing of values."), _("\ |
1773 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
1774 | set_output_radix, |
1775 | show_output_radix, | |
1776 | &setlist, &showlist); | |
c906108c | 1777 | |
cb1a6d5f AC |
1778 | /* The "set radix" and "show radix" commands are special in that |
1779 | they are like normal set and show commands but allow two normally | |
1780 | independent variables to be either set or shown with a single | |
b66df561 | 1781 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 1782 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
1783 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
1784 | longer true - show can display anything. */ | |
1a966eab AC |
1785 | add_cmd ("radix", class_support, set_radix, _("\ |
1786 | Set default input and output number radices.\n\ | |
c906108c | 1787 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 1788 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 1789 | &setlist); |
1a966eab AC |
1790 | add_cmd ("radix", class_support, show_radix, _("\ |
1791 | Show the default input and output number radices.\n\ | |
1792 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
1793 | &showlist); |
1794 | ||
e79af960 | 1795 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 1796 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
1797 | Set printing of array indexes."), _("\ |
1798 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
1799 | &setprintlist, &showprintlist); | |
c906108c | 1800 | } |