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, |
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 | { | |
275 | fprintf_filtered (stream, _("<value optimized out>")); | |
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 | ||
d8ca156b JB |
290 | /* Print using the given LANGUAGE the data of type TYPE located at VALADDR |
291 | (within GDB), which came from the inferior at address ADDRESS, onto | |
79a45b7d | 292 | stdio stream STREAM according to OPTIONS. |
c906108c SS |
293 | |
294 | If the data are a string pointer, returns the number of string characters | |
295 | printed. | |
296 | ||
297 | FIXME: The data at VALADDR is in target byte order. If gdb is ever | |
298 | enhanced to be able to debug more than the single target it was compiled | |
299 | for (specific CPU type and thus specific target byte ordering), then | |
300 | either the print routines are going to have to take this into account, | |
301 | or the data is going to have to be passed into here already converted | |
581e13c1 | 302 | to the host byte ordering, whichever is more convenient. */ |
c906108c SS |
303 | |
304 | ||
305 | int | |
fc1a4b47 | 306 | val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 307 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 308 | const struct value *val, |
79a45b7d | 309 | const struct value_print_options *options, |
d8ca156b | 310 | const struct language_defn *language) |
c906108c | 311 | { |
19ca80ba DJ |
312 | volatile struct gdb_exception except; |
313 | int ret = 0; | |
79a45b7d | 314 | struct value_print_options local_opts = *options; |
c906108c | 315 | struct type *real_type = check_typedef (type); |
79a45b7d TT |
316 | |
317 | if (local_opts.pretty == Val_pretty_default) | |
318 | local_opts.pretty = (local_opts.prettyprint_structs | |
319 | ? Val_prettyprint : Val_no_prettyprint); | |
c5aa993b | 320 | |
c906108c SS |
321 | QUIT; |
322 | ||
323 | /* Ensure that the type is complete and not just a stub. If the type is | |
324 | only a stub and we can't find and substitute its complete type, then | |
325 | print appropriate string and return. */ | |
326 | ||
74a9bb82 | 327 | if (TYPE_STUB (real_type)) |
c906108c | 328 | { |
0e03807e | 329 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c SS |
330 | gdb_flush (stream); |
331 | return (0); | |
332 | } | |
c5aa993b | 333 | |
0e03807e TT |
334 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
335 | return 0; | |
336 | ||
a6bac58e TT |
337 | if (!options->raw) |
338 | { | |
339 | ret = apply_val_pretty_printer (type, valaddr, embedded_offset, | |
0e03807e TT |
340 | address, stream, recurse, |
341 | val, options, language); | |
a6bac58e TT |
342 | if (ret) |
343 | return ret; | |
344 | } | |
345 | ||
346 | /* Handle summary mode. If the value is a scalar, print it; | |
347 | otherwise, print an ellipsis. */ | |
348 | if (options->summary && !scalar_type_p (type)) | |
349 | { | |
350 | fprintf_filtered (stream, "..."); | |
351 | return 0; | |
352 | } | |
353 | ||
19ca80ba DJ |
354 | TRY_CATCH (except, RETURN_MASK_ERROR) |
355 | { | |
d8ca156b | 356 | ret = language->la_val_print (type, valaddr, embedded_offset, address, |
0e03807e TT |
357 | stream, recurse, val, |
358 | &local_opts); | |
19ca80ba DJ |
359 | } |
360 | if (except.reason < 0) | |
361 | fprintf_filtered (stream, _("<error reading variable>")); | |
362 | ||
363 | return ret; | |
c906108c SS |
364 | } |
365 | ||
806048c6 DJ |
366 | /* Check whether the value VAL is printable. Return 1 if it is; |
367 | return 0 and print an appropriate error message to STREAM if it | |
368 | is not. */ | |
c906108c | 369 | |
806048c6 DJ |
370 | static int |
371 | value_check_printable (struct value *val, struct ui_file *stream) | |
c906108c SS |
372 | { |
373 | if (val == 0) | |
374 | { | |
806048c6 | 375 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
376 | return 0; |
377 | } | |
806048c6 | 378 | |
0e03807e | 379 | if (value_entirely_optimized_out (val)) |
c906108c | 380 | { |
806048c6 | 381 | fprintf_filtered (stream, _("<value optimized out>")); |
c906108c SS |
382 | return 0; |
383 | } | |
806048c6 | 384 | |
bc3b79fd TJB |
385 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
386 | { | |
387 | fprintf_filtered (stream, _("<internal function %s>"), | |
388 | value_internal_function_name (val)); | |
389 | return 0; | |
390 | } | |
391 | ||
806048c6 DJ |
392 | return 1; |
393 | } | |
394 | ||
d8ca156b | 395 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 396 | to OPTIONS. |
806048c6 DJ |
397 | |
398 | If the data are a string pointer, returns the number of string characters | |
399 | printed. | |
400 | ||
401 | This is a preferable interface to val_print, above, because it uses | |
402 | GDB's value mechanism. */ | |
403 | ||
404 | int | |
79a45b7d TT |
405 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
406 | const struct value_print_options *options, | |
d8ca156b | 407 | const struct language_defn *language) |
806048c6 DJ |
408 | { |
409 | if (!value_check_printable (val, stream)) | |
410 | return 0; | |
411 | ||
0c3acc09 JB |
412 | if (language->la_language == language_ada) |
413 | /* The value might have a dynamic type, which would cause trouble | |
414 | below when trying to extract the value contents (since the value | |
415 | size is determined from the type size which is unknown). So | |
416 | get a fixed representation of our value. */ | |
417 | val = ada_to_fixed_value (val); | |
418 | ||
0e03807e | 419 | return val_print (value_type (val), value_contents_for_printing (val), |
42ae5230 | 420 | value_embedded_offset (val), value_address (val), |
0e03807e TT |
421 | stream, recurse, |
422 | val, options, language); | |
806048c6 DJ |
423 | } |
424 | ||
7348c5e1 JB |
425 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
426 | is printed using the current_language syntax. | |
427 | ||
428 | If the object printed is a string pointer, return the number of string | |
429 | bytes printed. */ | |
806048c6 DJ |
430 | |
431 | int | |
79a45b7d TT |
432 | value_print (struct value *val, struct ui_file *stream, |
433 | const struct value_print_options *options) | |
806048c6 DJ |
434 | { |
435 | if (!value_check_printable (val, stream)) | |
436 | return 0; | |
437 | ||
a6bac58e TT |
438 | if (!options->raw) |
439 | { | |
440 | int r = apply_val_pretty_printer (value_type (val), | |
0e03807e | 441 | value_contents_for_printing (val), |
a6bac58e TT |
442 | value_embedded_offset (val), |
443 | value_address (val), | |
0e03807e TT |
444 | stream, 0, |
445 | val, options, current_language); | |
a109c7c1 | 446 | |
a6bac58e TT |
447 | if (r) |
448 | return r; | |
449 | } | |
450 | ||
79a45b7d | 451 | return LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
452 | } |
453 | ||
454 | /* Called by various <lang>_val_print routines to print | |
455 | TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the | |
456 | value. STREAM is where to print the value. */ | |
457 | ||
458 | void | |
fc1a4b47 | 459 | val_print_type_code_int (struct type *type, const gdb_byte *valaddr, |
fba45db2 | 460 | struct ui_file *stream) |
c906108c | 461 | { |
50810684 | 462 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
d44e8473 | 463 | |
c906108c SS |
464 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
465 | { | |
466 | LONGEST val; | |
467 | ||
468 | if (TYPE_UNSIGNED (type) | |
469 | && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type), | |
e17a4113 | 470 | byte_order, &val)) |
c906108c SS |
471 | { |
472 | print_longest (stream, 'u', 0, val); | |
473 | } | |
474 | else | |
475 | { | |
476 | /* Signed, or we couldn't turn an unsigned value into a | |
477 | LONGEST. For signed values, one could assume two's | |
478 | complement (a reasonable assumption, I think) and do | |
479 | better than this. */ | |
480 | print_hex_chars (stream, (unsigned char *) valaddr, | |
d44e8473 | 481 | TYPE_LENGTH (type), byte_order); |
c906108c SS |
482 | } |
483 | } | |
484 | else | |
485 | { | |
c906108c SS |
486 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, |
487 | unpack_long (type, valaddr)); | |
c906108c SS |
488 | } |
489 | } | |
490 | ||
4f2aea11 MK |
491 | void |
492 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, | |
493 | struct ui_file *stream) | |
494 | { | |
befae759 | 495 | ULONGEST val = unpack_long (type, valaddr); |
4f2aea11 MK |
496 | int bitpos, nfields = TYPE_NFIELDS (type); |
497 | ||
498 | fputs_filtered ("[ ", stream); | |
499 | for (bitpos = 0; bitpos < nfields; bitpos++) | |
500 | { | |
316703b9 MK |
501 | if (TYPE_FIELD_BITPOS (type, bitpos) != -1 |
502 | && (val & ((ULONGEST)1 << bitpos))) | |
4f2aea11 MK |
503 | { |
504 | if (TYPE_FIELD_NAME (type, bitpos)) | |
505 | fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos)); | |
506 | else | |
507 | fprintf_filtered (stream, "#%d ", bitpos); | |
508 | } | |
509 | } | |
510 | fputs_filtered ("]", stream); | |
511 | } | |
512 | ||
c906108c SS |
513 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
514 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 515 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 516 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 517 | format. |
bb599908 PH |
518 | |
519 | USE_C_FORMAT means to use C format in all cases. Without it, | |
520 | 'o' and 'x' format do not include the standard C radix prefix | |
521 | (leading 0 or 0x). | |
522 | ||
523 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
524 | and was intended to request formating according to the current | |
525 | language and would be used for most integers that GDB prints. The | |
526 | exceptional cases were things like protocols where the format of | |
527 | the integer is a protocol thing, not a user-visible thing). The | |
528 | parameter remains to preserve the information of what things might | |
529 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 530 | that capability. */ |
c906108c SS |
531 | |
532 | void | |
bb599908 | 533 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 534 | LONGEST val_long) |
c906108c | 535 | { |
2bfb72ee AC |
536 | const char *val; |
537 | ||
c906108c SS |
538 | switch (format) |
539 | { | |
540 | case 'd': | |
bb599908 | 541 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 542 | case 'u': |
bb599908 | 543 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 544 | case 'x': |
bb599908 | 545 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 546 | case 'b': |
bb599908 | 547 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 548 | case 'h': |
bb599908 | 549 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 550 | case 'w': |
bb599908 | 551 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 552 | case 'g': |
bb599908 | 553 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
554 | break; |
555 | case 'o': | |
bb599908 | 556 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 557 | default: |
3e43a32a MS |
558 | internal_error (__FILE__, __LINE__, |
559 | _("failed internal consistency check")); | |
bb599908 | 560 | } |
2bfb72ee | 561 | fputs_filtered (val, stream); |
c906108c SS |
562 | } |
563 | ||
c906108c SS |
564 | /* This used to be a macro, but I don't think it is called often enough |
565 | to merit such treatment. */ | |
566 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
567 | arguments to a function, number in a value history, register number, etc.) | |
568 | where the value must not be larger than can fit in an int. */ | |
569 | ||
570 | int | |
fba45db2 | 571 | longest_to_int (LONGEST arg) |
c906108c | 572 | { |
581e13c1 | 573 | /* Let the compiler do the work. */ |
c906108c SS |
574 | int rtnval = (int) arg; |
575 | ||
581e13c1 | 576 | /* Check for overflows or underflows. */ |
c906108c SS |
577 | if (sizeof (LONGEST) > sizeof (int)) |
578 | { | |
579 | if (rtnval != arg) | |
580 | { | |
8a3fe4f8 | 581 | error (_("Value out of range.")); |
c906108c SS |
582 | } |
583 | } | |
584 | return (rtnval); | |
585 | } | |
586 | ||
a73c86fb AC |
587 | /* Print a floating point value of type TYPE (not always a |
588 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
589 | |
590 | void | |
fc1a4b47 | 591 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 592 | struct ui_file *stream) |
c906108c SS |
593 | { |
594 | DOUBLEST doub; | |
595 | int inv; | |
a73c86fb | 596 | const struct floatformat *fmt = NULL; |
c906108c | 597 | unsigned len = TYPE_LENGTH (type); |
20389057 | 598 | enum float_kind kind; |
c5aa993b | 599 | |
a73c86fb AC |
600 | /* If it is a floating-point, check for obvious problems. */ |
601 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
602 | fmt = floatformat_from_type (type); | |
20389057 | 603 | if (fmt != NULL) |
39424bef | 604 | { |
20389057 DJ |
605 | kind = floatformat_classify (fmt, valaddr); |
606 | if (kind == float_nan) | |
607 | { | |
608 | if (floatformat_is_negative (fmt, valaddr)) | |
609 | fprintf_filtered (stream, "-"); | |
610 | fprintf_filtered (stream, "nan("); | |
611 | fputs_filtered ("0x", stream); | |
612 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
613 | fprintf_filtered (stream, ")"); | |
614 | return; | |
615 | } | |
616 | else if (kind == float_infinite) | |
617 | { | |
618 | if (floatformat_is_negative (fmt, valaddr)) | |
619 | fputs_filtered ("-", stream); | |
620 | fputs_filtered ("inf", stream); | |
621 | return; | |
622 | } | |
7355ddba | 623 | } |
c906108c | 624 | |
a73c86fb AC |
625 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
626 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
627 | needs to be used as that takes care of any necessary type | |
628 | conversions. Such conversions are of course direct to DOUBLEST | |
629 | and disregard any possible target floating point limitations. | |
630 | For instance, a u64 would be converted and displayed exactly on a | |
631 | host with 80 bit DOUBLEST but with loss of information on a host | |
632 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 633 | |
c906108c SS |
634 | doub = unpack_double (type, valaddr, &inv); |
635 | if (inv) | |
636 | { | |
637 | fprintf_filtered (stream, "<invalid float value>"); | |
638 | return; | |
639 | } | |
640 | ||
39424bef MK |
641 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
642 | assumptions about the host and target floating point format. */ | |
643 | ||
a73c86fb | 644 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 645 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
646 | instead uses the type's length to determine the precision of the |
647 | floating-point value being printed. */ | |
c2f05ac9 | 648 | |
c906108c | 649 | if (len < sizeof (double)) |
c5aa993b | 650 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 651 | else if (len == sizeof (double)) |
c5aa993b | 652 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
653 | else |
654 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
655 | fprintf_filtered (stream, "%.35Lg", doub); | |
656 | #else | |
39424bef MK |
657 | /* This at least wins with values that are representable as |
658 | doubles. */ | |
c906108c SS |
659 | fprintf_filtered (stream, "%.17g", (double) doub); |
660 | #endif | |
661 | } | |
662 | ||
7678ef8f TJB |
663 | void |
664 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
665 | struct ui_file *stream) | |
666 | { | |
e17a4113 | 667 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
668 | char decstr[MAX_DECIMAL_STRING]; |
669 | unsigned len = TYPE_LENGTH (type); | |
670 | ||
e17a4113 | 671 | decimal_to_string (valaddr, len, byte_order, decstr); |
7678ef8f TJB |
672 | fputs_filtered (decstr, stream); |
673 | return; | |
674 | } | |
675 | ||
c5aa993b | 676 | void |
fc1a4b47 | 677 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 678 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
679 | { |
680 | ||
681 | #define BITS_IN_BYTES 8 | |
682 | ||
fc1a4b47 | 683 | const gdb_byte *p; |
745b8ca0 | 684 | unsigned int i; |
c5aa993b | 685 | int b; |
c906108c SS |
686 | |
687 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
688 | This ensures that right shift will shift in zeros. */ |
689 | ||
c5aa993b | 690 | const int mask = 0x080; |
c906108c SS |
691 | |
692 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
693 | ||
d44e8473 | 694 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
695 | { |
696 | for (p = valaddr; | |
697 | p < valaddr + len; | |
698 | p++) | |
699 | { | |
c5aa993b | 700 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
701 | and print from the MSB end. */ |
702 | ||
c5aa993b JM |
703 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
704 | { | |
705 | if (*p & (mask >> i)) | |
706 | b = 1; | |
707 | else | |
708 | b = 0; | |
709 | ||
710 | fprintf_filtered (stream, "%1d", b); | |
711 | } | |
c906108c SS |
712 | } |
713 | } | |
714 | else | |
715 | { | |
716 | for (p = valaddr + len - 1; | |
717 | p >= valaddr; | |
718 | p--) | |
719 | { | |
c5aa993b JM |
720 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
721 | { | |
722 | if (*p & (mask >> i)) | |
723 | b = 1; | |
724 | else | |
725 | b = 0; | |
726 | ||
727 | fprintf_filtered (stream, "%1d", b); | |
728 | } | |
c906108c SS |
729 | } |
730 | } | |
c906108c SS |
731 | } |
732 | ||
733 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
734 | Print it in octal on stream or format it in buf. */ |
735 | ||
c906108c | 736 | void |
fc1a4b47 | 737 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 738 | unsigned len, enum bfd_endian byte_order) |
c906108c | 739 | { |
fc1a4b47 | 740 | const gdb_byte *p; |
c906108c | 741 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
742 | int cycle; |
743 | ||
c906108c SS |
744 | /* FIXME: We should be not printing leading zeroes in most cases. */ |
745 | ||
746 | ||
747 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track | |
748 | * the extra bits, which cycle every three bytes: | |
749 | * | |
750 | * Byte side: 0 1 2 3 | |
751 | * | | | | | |
752 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
753 | * | |
754 | * Octal side: 0 1 carry 3 4 carry ... | |
755 | * | |
756 | * Cycle number: 0 1 2 | |
757 | * | |
758 | * But of course we are printing from the high side, so we have to | |
759 | * figure out where in the cycle we are so that we end up with no | |
760 | * left over bits at the end. | |
761 | */ | |
762 | #define BITS_IN_OCTAL 3 | |
763 | #define HIGH_ZERO 0340 | |
764 | #define LOW_ZERO 0016 | |
765 | #define CARRY_ZERO 0003 | |
766 | #define HIGH_ONE 0200 | |
767 | #define MID_ONE 0160 | |
768 | #define LOW_ONE 0016 | |
769 | #define CARRY_ONE 0001 | |
770 | #define HIGH_TWO 0300 | |
771 | #define MID_TWO 0070 | |
772 | #define LOW_TWO 0007 | |
773 | ||
774 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
775 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
776 | ||
c906108c SS |
777 | cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL; |
778 | carry = 0; | |
c5aa993b | 779 | |
bb599908 | 780 | fputs_filtered ("0", stream); |
d44e8473 | 781 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
782 | { |
783 | for (p = valaddr; | |
784 | p < valaddr + len; | |
785 | p++) | |
786 | { | |
c5aa993b JM |
787 | switch (cycle) |
788 | { | |
789 | case 0: | |
581e13c1 MS |
790 | /* No carry in, carry out two bits. */ |
791 | ||
c5aa993b JM |
792 | octa1 = (HIGH_ZERO & *p) >> 5; |
793 | octa2 = (LOW_ZERO & *p) >> 2; | |
794 | carry = (CARRY_ZERO & *p); | |
795 | fprintf_filtered (stream, "%o", octa1); | |
796 | fprintf_filtered (stream, "%o", octa2); | |
797 | break; | |
798 | ||
799 | case 1: | |
581e13c1 MS |
800 | /* Carry in two bits, carry out one bit. */ |
801 | ||
c5aa993b JM |
802 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
803 | octa2 = (MID_ONE & *p) >> 4; | |
804 | octa3 = (LOW_ONE & *p) >> 1; | |
805 | carry = (CARRY_ONE & *p); | |
806 | fprintf_filtered (stream, "%o", octa1); | |
807 | fprintf_filtered (stream, "%o", octa2); | |
808 | fprintf_filtered (stream, "%o", octa3); | |
809 | break; | |
810 | ||
811 | case 2: | |
581e13c1 MS |
812 | /* Carry in one bit, no carry out. */ |
813 | ||
c5aa993b JM |
814 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
815 | octa2 = (MID_TWO & *p) >> 3; | |
816 | octa3 = (LOW_TWO & *p); | |
817 | carry = 0; | |
818 | fprintf_filtered (stream, "%o", octa1); | |
819 | fprintf_filtered (stream, "%o", octa2); | |
820 | fprintf_filtered (stream, "%o", octa3); | |
821 | break; | |
822 | ||
823 | default: | |
8a3fe4f8 | 824 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
825 | } |
826 | ||
827 | cycle++; | |
828 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
829 | } |
830 | } | |
831 | else | |
832 | { | |
833 | for (p = valaddr + len - 1; | |
834 | p >= valaddr; | |
835 | p--) | |
836 | { | |
c5aa993b JM |
837 | switch (cycle) |
838 | { | |
839 | case 0: | |
840 | /* Carry out, no carry in */ | |
581e13c1 | 841 | |
c5aa993b JM |
842 | octa1 = (HIGH_ZERO & *p) >> 5; |
843 | octa2 = (LOW_ZERO & *p) >> 2; | |
844 | carry = (CARRY_ZERO & *p); | |
845 | fprintf_filtered (stream, "%o", octa1); | |
846 | fprintf_filtered (stream, "%o", octa2); | |
847 | break; | |
848 | ||
849 | case 1: | |
850 | /* Carry in, carry out */ | |
581e13c1 | 851 | |
c5aa993b JM |
852 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
853 | octa2 = (MID_ONE & *p) >> 4; | |
854 | octa3 = (LOW_ONE & *p) >> 1; | |
855 | carry = (CARRY_ONE & *p); | |
856 | fprintf_filtered (stream, "%o", octa1); | |
857 | fprintf_filtered (stream, "%o", octa2); | |
858 | fprintf_filtered (stream, "%o", octa3); | |
859 | break; | |
860 | ||
861 | case 2: | |
862 | /* Carry in, no carry out */ | |
581e13c1 | 863 | |
c5aa993b JM |
864 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
865 | octa2 = (MID_TWO & *p) >> 3; | |
866 | octa3 = (LOW_TWO & *p); | |
867 | carry = 0; | |
868 | fprintf_filtered (stream, "%o", octa1); | |
869 | fprintf_filtered (stream, "%o", octa2); | |
870 | fprintf_filtered (stream, "%o", octa3); | |
871 | break; | |
872 | ||
873 | default: | |
8a3fe4f8 | 874 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
875 | } |
876 | ||
877 | cycle++; | |
878 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
879 | } |
880 | } | |
881 | ||
c906108c SS |
882 | } |
883 | ||
884 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
885 | Print it in decimal on stream or format it in buf. */ |
886 | ||
c906108c | 887 | void |
fc1a4b47 | 888 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 889 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
890 | { |
891 | #define TEN 10 | |
c5aa993b | 892 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
893 | #define CARRY_LEFT( x ) ((x) % TEN) |
894 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
895 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
896 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
897 | ||
fc1a4b47 | 898 | const gdb_byte *p; |
c906108c | 899 | unsigned char *digits; |
c5aa993b JM |
900 | int carry; |
901 | int decimal_len; | |
902 | int i, j, decimal_digits; | |
903 | int dummy; | |
904 | int flip; | |
905 | ||
c906108c | 906 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
907 | as the base 16 number, which is 2 digits per byte. */ |
908 | ||
c906108c | 909 | decimal_len = len * 2 * 2; |
3c37485b | 910 | digits = xmalloc (decimal_len); |
c906108c | 911 | |
c5aa993b JM |
912 | for (i = 0; i < decimal_len; i++) |
913 | { | |
c906108c | 914 | digits[i] = 0; |
c5aa993b | 915 | } |
c906108c | 916 | |
c906108c SS |
917 | /* Ok, we have an unknown number of bytes of data to be printed in |
918 | * decimal. | |
919 | * | |
920 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
921 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
922 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
923 | * | |
924 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 925 | * the individual digits are > 10. |
c906108c SS |
926 | * |
927 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
928 | * LSD end. | |
929 | */ | |
c5aa993b | 930 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 931 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 932 | flip = 0; |
d44e8473 | 933 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 934 | { |
c906108c SS |
935 | /* |
936 | * Multiply current base-ten number by 16 in place. | |
937 | * Each digit was between 0 and 9, now is between | |
938 | * 0 and 144. | |
939 | */ | |
c5aa993b JM |
940 | for (j = 0; j < decimal_digits; j++) |
941 | { | |
942 | digits[j] = SHIFT (digits[j]); | |
943 | } | |
944 | ||
c906108c SS |
945 | /* Take the next nibble off the input and add it to what |
946 | * we've got in the LSB position. Bottom 'digit' is now | |
947 | * between 0 and 159. | |
948 | * | |
949 | * "flip" is used to run this loop twice for each byte. | |
950 | */ | |
c5aa993b JM |
951 | if (flip == 0) |
952 | { | |
581e13c1 MS |
953 | /* Take top nibble. */ |
954 | ||
c5aa993b JM |
955 | digits[0] += HIGH_NIBBLE (*p); |
956 | flip = 1; | |
957 | } | |
958 | else | |
959 | { | |
581e13c1 MS |
960 | /* Take low nibble and bump our pointer "p". */ |
961 | ||
c5aa993b | 962 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
963 | if (byte_order == BFD_ENDIAN_BIG) |
964 | p++; | |
965 | else | |
966 | p--; | |
c5aa993b JM |
967 | flip = 0; |
968 | } | |
c906108c SS |
969 | |
970 | /* Re-decimalize. We have to do this often enough | |
971 | * that we don't overflow, but once per nibble is | |
972 | * overkill. Easier this way, though. Note that the | |
973 | * carry is often larger than 10 (e.g. max initial | |
974 | * carry out of lowest nibble is 15, could bubble all | |
975 | * the way up greater than 10). So we have to do | |
976 | * the carrying beyond the last current digit. | |
977 | */ | |
978 | carry = 0; | |
c5aa993b JM |
979 | for (j = 0; j < decimal_len - 1; j++) |
980 | { | |
981 | digits[j] += carry; | |
982 | ||
983 | /* "/" won't handle an unsigned char with | |
984 | * a value that if signed would be negative. | |
985 | * So extend to longword int via "dummy". | |
986 | */ | |
987 | dummy = digits[j]; | |
988 | carry = CARRY_OUT (dummy); | |
989 | digits[j] = CARRY_LEFT (dummy); | |
990 | ||
991 | if (j >= decimal_digits && carry == 0) | |
992 | { | |
993 | /* | |
994 | * All higher digits are 0 and we | |
995 | * no longer have a carry. | |
996 | * | |
997 | * Note: "j" is 0-based, "decimal_digits" is | |
998 | * 1-based. | |
999 | */ | |
1000 | decimal_digits = j + 1; | |
1001 | break; | |
1002 | } | |
1003 | } | |
1004 | } | |
c906108c SS |
1005 | |
1006 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1007 | the "decimal_digits" actual digits. Print! */ |
1008 | ||
c5aa993b JM |
1009 | for (i = decimal_digits - 1; i >= 0; i--) |
1010 | { | |
1011 | fprintf_filtered (stream, "%1d", digits[i]); | |
1012 | } | |
b8c9b27d | 1013 | xfree (digits); |
c906108c SS |
1014 | } |
1015 | ||
1016 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1017 | ||
6b9acc27 | 1018 | void |
fc1a4b47 | 1019 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1020 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1021 | { |
fc1a4b47 | 1022 | const gdb_byte *p; |
c906108c SS |
1023 | |
1024 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1025 | ||
bb599908 | 1026 | fputs_filtered ("0x", stream); |
d44e8473 | 1027 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1028 | { |
1029 | for (p = valaddr; | |
1030 | p < valaddr + len; | |
1031 | p++) | |
1032 | { | |
1033 | fprintf_filtered (stream, "%02x", *p); | |
1034 | } | |
1035 | } | |
1036 | else | |
1037 | { | |
1038 | for (p = valaddr + len - 1; | |
1039 | p >= valaddr; | |
1040 | p--) | |
1041 | { | |
1042 | fprintf_filtered (stream, "%02x", *p); | |
1043 | } | |
1044 | } | |
c906108c SS |
1045 | } |
1046 | ||
3e43a32a | 1047 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1048 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1049 | Omit any leading zero chars. */ |
1050 | ||
1051 | void | |
6c7a06a3 TT |
1052 | print_char_chars (struct ui_file *stream, struct type *type, |
1053 | const gdb_byte *valaddr, | |
d44e8473 | 1054 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1055 | { |
fc1a4b47 | 1056 | const gdb_byte *p; |
6b9acc27 | 1057 | |
d44e8473 | 1058 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1059 | { |
1060 | p = valaddr; | |
1061 | while (p < valaddr + len - 1 && *p == 0) | |
1062 | ++p; | |
1063 | ||
1064 | while (p < valaddr + len) | |
1065 | { | |
6c7a06a3 | 1066 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1067 | ++p; |
1068 | } | |
1069 | } | |
1070 | else | |
1071 | { | |
1072 | p = valaddr + len - 1; | |
1073 | while (p > valaddr && *p == 0) | |
1074 | --p; | |
1075 | ||
1076 | while (p >= valaddr) | |
1077 | { | |
6c7a06a3 | 1078 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1079 | --p; |
1080 | } | |
1081 | } | |
1082 | } | |
1083 | ||
79a45b7d | 1084 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1085 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1086 | ||
1087 | void | |
1088 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1089 | struct ui_file *stream, |
1090 | const struct value_print_options *options) | |
e79af960 JB |
1091 | { |
1092 | struct value *index_value; | |
1093 | ||
79a45b7d | 1094 | if (!options->print_array_indexes) |
e79af960 JB |
1095 | return; |
1096 | ||
1097 | index_value = value_from_longest (index_type, index); | |
1098 | ||
79a45b7d TT |
1099 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1100 | } | |
e79af960 | 1101 | |
c906108c | 1102 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1103 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1104 | |
c5aa993b JM |
1105 | (FIXME?) Assumes array element separator is a comma, which is correct |
1106 | for all languages currently handled. | |
1107 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1108 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1109 | |
1110 | void | |
fc1a4b47 | 1111 | val_print_array_elements (struct type *type, const gdb_byte *valaddr, |
a2bd3dcd | 1112 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1113 | int recurse, |
0e03807e | 1114 | const struct value *val, |
79a45b7d | 1115 | const struct value_print_options *options, |
fba45db2 | 1116 | unsigned int i) |
c906108c SS |
1117 | { |
1118 | unsigned int things_printed = 0; | |
1119 | unsigned len; | |
e79af960 | 1120 | struct type *elttype, *index_type; |
c906108c SS |
1121 | unsigned eltlen; |
1122 | /* Position of the array element we are examining to see | |
1123 | whether it is repeated. */ | |
1124 | unsigned int rep1; | |
1125 | /* Number of repetitions we have detected so far. */ | |
1126 | unsigned int reps; | |
dbc98a8b | 1127 | LONGEST low_bound, high_bound; |
c5aa993b | 1128 | |
c906108c SS |
1129 | elttype = TYPE_TARGET_TYPE (type); |
1130 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
e79af960 | 1131 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1132 | |
dbc98a8b | 1133 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b JB |
1134 | { |
1135 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1. | |
1136 | But we have to be a little extra careful, because some languages | |
1137 | such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for | |
1138 | empty arrays. In that situation, the array length is just zero, | |
1139 | not negative! */ | |
1140 | if (low_bound > high_bound) | |
1141 | len = 0; | |
1142 | else | |
1143 | len = high_bound - low_bound + 1; | |
1144 | } | |
e936309c JB |
1145 | else |
1146 | { | |
dbc98a8b KW |
1147 | warning (_("unable to get bounds of array, assuming null array")); |
1148 | low_bound = 0; | |
1149 | len = 0; | |
168de233 JB |
1150 | } |
1151 | ||
c906108c SS |
1152 | annotate_array_section_begin (i, elttype); |
1153 | ||
79a45b7d | 1154 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1155 | { |
1156 | if (i != 0) | |
1157 | { | |
79a45b7d | 1158 | if (options->prettyprint_arrays) |
c906108c SS |
1159 | { |
1160 | fprintf_filtered (stream, ",\n"); | |
1161 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1162 | } | |
1163 | else | |
1164 | { | |
1165 | fprintf_filtered (stream, ", "); | |
1166 | } | |
1167 | } | |
1168 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 1169 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 1170 | stream, options); |
c906108c SS |
1171 | |
1172 | rep1 = i + 1; | |
1173 | reps = 1; | |
c5aa993b | 1174 | while ((rep1 < len) && |
c906108c SS |
1175 | !memcmp (valaddr + i * eltlen, valaddr + rep1 * eltlen, eltlen)) |
1176 | { | |
1177 | ++reps; | |
1178 | ++rep1; | |
1179 | } | |
1180 | ||
79a45b7d | 1181 | if (reps > options->repeat_count_threshold) |
c906108c | 1182 | { |
f9e31323 | 1183 | val_print (elttype, valaddr + i * eltlen, 0, address + i * eltlen, |
0e03807e | 1184 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1185 | annotate_elt_rep (reps); |
1186 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
1187 | annotate_elt_rep_end (); | |
1188 | ||
1189 | i = rep1 - 1; | |
79a45b7d | 1190 | things_printed += options->repeat_count_threshold; |
c906108c SS |
1191 | } |
1192 | else | |
1193 | { | |
f9e31323 | 1194 | val_print (elttype, valaddr + i * eltlen, 0, address + i * eltlen, |
0e03807e | 1195 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1196 | annotate_elt (); |
1197 | things_printed++; | |
1198 | } | |
1199 | } | |
1200 | annotate_array_section_end (); | |
1201 | if (i < len) | |
1202 | { | |
1203 | fprintf_filtered (stream, "..."); | |
1204 | } | |
1205 | } | |
1206 | ||
917317f4 JM |
1207 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1208 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
1209 | actually read, and optionally an errno value in the location | |
581e13c1 | 1210 | pointed to by ERRNOPTR if ERRNOPTR is non-null. */ |
917317f4 JM |
1211 | |
1212 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1213 | function be eliminated. */ | |
1214 | ||
1215 | static int | |
3e43a32a MS |
1216 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
1217 | int len, int *errnoptr) | |
917317f4 | 1218 | { |
581e13c1 MS |
1219 | int nread; /* Number of bytes actually read. */ |
1220 | int errcode; /* Error from last read. */ | |
917317f4 | 1221 | |
581e13c1 | 1222 | /* First try a complete read. */ |
917317f4 JM |
1223 | errcode = target_read_memory (memaddr, myaddr, len); |
1224 | if (errcode == 0) | |
1225 | { | |
581e13c1 | 1226 | /* Got it all. */ |
917317f4 JM |
1227 | nread = len; |
1228 | } | |
1229 | else | |
1230 | { | |
581e13c1 | 1231 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
1232 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
1233 | { | |
1234 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
1235 | } | |
581e13c1 | 1236 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
1237 | if (errcode != 0) |
1238 | { | |
1239 | nread--; | |
1240 | } | |
1241 | } | |
1242 | if (errnoptr != NULL) | |
1243 | { | |
1244 | *errnoptr = errcode; | |
1245 | } | |
1246 | return (nread); | |
1247 | } | |
1248 | ||
ae6a3a4c TJB |
1249 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
1250 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
1251 | allocated buffer containing the string, which the caller is responsible to | |
1252 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
1253 | success, or errno on failure. | |
1254 | ||
1255 | If LEN > 0, reads exactly LEN characters (including eventual NULs in | |
1256 | the middle or end of the string). If LEN is -1, stops at the first | |
1257 | null character (not necessarily the first null byte) up to a maximum | |
1258 | of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many | |
1259 | characters as possible from the string. | |
1260 | ||
1261 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
1262 | failure. In this case, some characters might have been read before the | |
1263 | failure happened. Check BYTES_READ to recognize this situation. | |
1264 | ||
1265 | Note: There was a FIXME asking to make this code use target_read_string, | |
1266 | but this function is more general (can read past null characters, up to | |
581e13c1 | 1267 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
1268 | so it is more tested. Perhaps callers of target_read_string should use |
1269 | this function instead? */ | |
c906108c SS |
1270 | |
1271 | int | |
ae6a3a4c | 1272 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 1273 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 1274 | { |
ae6a3a4c TJB |
1275 | int found_nul; /* Non-zero if we found the nul char. */ |
1276 | int errcode; /* Errno returned from bad reads. */ | |
1277 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
1278 | unsigned int chunksize; /* Size of each fetch, in chars. */ | |
3e43a32a MS |
1279 | gdb_byte *bufptr; /* Pointer to next available byte in |
1280 | buffer. */ | |
ae6a3a4c TJB |
1281 | gdb_byte *limit; /* First location past end of fetch buffer. */ |
1282 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
1283 | ||
1284 | /* Decide how large of chunks to try to read in one operation. This | |
c906108c SS |
1285 | is also pretty simple. If LEN >= zero, then we want fetchlimit chars, |
1286 | so we might as well read them all in one operation. If LEN is -1, we | |
ae6a3a4c | 1287 | are looking for a NUL terminator to end the fetching, so we might as |
c906108c SS |
1288 | well read in blocks that are large enough to be efficient, but not so |
1289 | large as to be slow if fetchlimit happens to be large. So we choose the | |
1290 | minimum of 8 and fetchlimit. We used to use 200 instead of 8 but | |
1291 | 200 is way too big for remote debugging over a serial line. */ | |
1292 | ||
1293 | chunksize = (len == -1 ? min (8, fetchlimit) : fetchlimit); | |
1294 | ||
ae6a3a4c TJB |
1295 | /* Loop until we either have all the characters, or we encounter |
1296 | some error, such as bumping into the end of the address space. */ | |
c906108c SS |
1297 | |
1298 | found_nul = 0; | |
b5096abe PM |
1299 | *buffer = NULL; |
1300 | ||
1301 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
1302 | |
1303 | if (len > 0) | |
1304 | { | |
ae6a3a4c TJB |
1305 | *buffer = (gdb_byte *) xmalloc (len * width); |
1306 | bufptr = *buffer; | |
c906108c | 1307 | |
917317f4 | 1308 | nfetch = partial_memory_read (addr, bufptr, len * width, &errcode) |
c906108c SS |
1309 | / width; |
1310 | addr += nfetch * width; | |
1311 | bufptr += nfetch * width; | |
1312 | } | |
1313 | else if (len == -1) | |
1314 | { | |
1315 | unsigned long bufsize = 0; | |
ae6a3a4c | 1316 | |
c906108c SS |
1317 | do |
1318 | { | |
1319 | QUIT; | |
1320 | nfetch = min (chunksize, fetchlimit - bufsize); | |
1321 | ||
ae6a3a4c TJB |
1322 | if (*buffer == NULL) |
1323 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 1324 | else |
b5096abe PM |
1325 | *buffer = (gdb_byte *) xrealloc (*buffer, |
1326 | (nfetch + bufsize) * width); | |
c906108c | 1327 | |
ae6a3a4c | 1328 | bufptr = *buffer + bufsize * width; |
c906108c SS |
1329 | bufsize += nfetch; |
1330 | ||
ae6a3a4c | 1331 | /* Read as much as we can. */ |
917317f4 | 1332 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 1333 | / width; |
c906108c | 1334 | |
ae6a3a4c | 1335 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
1336 | to print. If found, we don't need to fetch any more. Note |
1337 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
1338 | after the null character, or at the next character after the end |
1339 | of the buffer. */ | |
c906108c SS |
1340 | |
1341 | limit = bufptr + nfetch * width; | |
1342 | while (bufptr < limit) | |
1343 | { | |
1344 | unsigned long c; | |
1345 | ||
e17a4113 | 1346 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
1347 | addr += width; |
1348 | bufptr += width; | |
1349 | if (c == 0) | |
1350 | { | |
1351 | /* We don't care about any error which happened after | |
ae6a3a4c | 1352 | the NUL terminator. */ |
c906108c SS |
1353 | errcode = 0; |
1354 | found_nul = 1; | |
1355 | break; | |
1356 | } | |
1357 | } | |
1358 | } | |
c5aa993b | 1359 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
1360 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
1361 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
1362 | } |
1363 | else | |
ae6a3a4c TJB |
1364 | { /* Length of string is really 0! */ |
1365 | /* We always allocate *buffer. */ | |
1366 | *buffer = bufptr = xmalloc (1); | |
c906108c SS |
1367 | errcode = 0; |
1368 | } | |
1369 | ||
1370 | /* bufptr and addr now point immediately beyond the last byte which we | |
1371 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
1372 | *bytes_read = bufptr - *buffer; |
1373 | ||
1374 | QUIT; | |
1375 | ||
1376 | discard_cleanups (old_chain); | |
1377 | ||
1378 | return errcode; | |
1379 | } | |
1380 | ||
1381 | /* Print a string from the inferior, starting at ADDR and printing up to LEN | |
1382 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
1383 | stops at the first null byte, otherwise printing proceeds (including null | |
1384 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
1385 | whichever is smaller. ENCODING is the name of the string's |
1386 | encoding. It can be NULL, in which case the target encoding is | |
1387 | assumed. */ | |
ae6a3a4c TJB |
1388 | |
1389 | int | |
09ca9e2e TT |
1390 | val_print_string (struct type *elttype, const char *encoding, |
1391 | CORE_ADDR addr, int len, | |
6c7a06a3 | 1392 | struct ui_file *stream, |
ae6a3a4c TJB |
1393 | const struct value_print_options *options) |
1394 | { | |
1395 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
1396 | int errcode; /* Errno returned from bad reads. */ | |
581e13c1 | 1397 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
1398 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
1399 | int bytes_read; | |
1400 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
1401 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 1402 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 1403 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 1404 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
1405 | |
1406 | /* First we need to figure out the limit on the number of characters we are | |
1407 | going to attempt to fetch and print. This is actually pretty simple. If | |
1408 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
1409 | LEN is -1, then the limit is print_max. This is true regardless of | |
1410 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
1411 | because finding the null byte (or available memory) is what actually | |
1412 | limits the fetch. */ | |
1413 | ||
3e43a32a MS |
1414 | fetchlimit = (len == -1 ? options->print_max : min (len, |
1415 | options->print_max)); | |
ae6a3a4c | 1416 | |
e17a4113 UW |
1417 | errcode = read_string (addr, len, width, fetchlimit, byte_order, |
1418 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
1419 | old_chain = make_cleanup (xfree, buffer); |
1420 | ||
1421 | addr += bytes_read; | |
c906108c | 1422 | |
3e43a32a MS |
1423 | /* We now have either successfully filled the buffer to fetchlimit, |
1424 | or terminated early due to an error or finding a null char when | |
1425 | LEN is -1. */ | |
ae6a3a4c TJB |
1426 | |
1427 | /* Determine found_nul by looking at the last character read. */ | |
e17a4113 UW |
1428 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, |
1429 | byte_order) == 0; | |
c906108c SS |
1430 | if (len == -1 && !found_nul) |
1431 | { | |
777ea8f1 | 1432 | gdb_byte *peekbuf; |
c906108c | 1433 | |
ae6a3a4c | 1434 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
1435 | to peek at the next character. If not successful, or it is not |
1436 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 1437 | |
777ea8f1 | 1438 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
1439 | |
1440 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 1441 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
1442 | force_ellipsis = 1; |
1443 | } | |
ae6a3a4c | 1444 | else if ((len >= 0 && errcode != 0) || (len > bytes_read / width)) |
c906108c SS |
1445 | { |
1446 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 1447 | than the number of characters actually requested, always make us |
ae6a3a4c | 1448 | print ellipsis. */ |
c906108c SS |
1449 | force_ellipsis = 1; |
1450 | } | |
1451 | ||
c906108c SS |
1452 | /* If we get an error before fetching anything, don't print a string. |
1453 | But if we fetch something and then get an error, print the string | |
1454 | and then the error message. */ | |
ae6a3a4c | 1455 | if (errcode == 0 || bytes_read > 0) |
c906108c | 1456 | { |
79a45b7d | 1457 | if (options->addressprint) |
c906108c SS |
1458 | { |
1459 | fputs_filtered (" ", stream); | |
1460 | } | |
be759fcf | 1461 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 1462 | encoding, force_ellipsis, options); |
c906108c SS |
1463 | } |
1464 | ||
1465 | if (errcode != 0) | |
1466 | { | |
1467 | if (errcode == EIO) | |
1468 | { | |
1469 | fprintf_filtered (stream, " <Address "); | |
5af949e3 | 1470 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1471 | fprintf_filtered (stream, " out of bounds>"); |
1472 | } | |
1473 | else | |
1474 | { | |
1475 | fprintf_filtered (stream, " <Error reading address "); | |
5af949e3 | 1476 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1477 | fprintf_filtered (stream, ": %s>", safe_strerror (errcode)); |
1478 | } | |
1479 | } | |
ae6a3a4c | 1480 | |
c906108c SS |
1481 | gdb_flush (stream); |
1482 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
1483 | |
1484 | return (bytes_read / width); | |
c906108c | 1485 | } |
c906108c | 1486 | \f |
c5aa993b | 1487 | |
09e6485f PA |
1488 | /* The 'set input-radix' command writes to this auxiliary variable. |
1489 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
1490 | it is left unchanged. */ | |
1491 | ||
1492 | static unsigned input_radix_1 = 10; | |
1493 | ||
c906108c SS |
1494 | /* Validate an input or output radix setting, and make sure the user |
1495 | knows what they really did here. Radix setting is confusing, e.g. | |
1496 | setting the input radix to "10" never changes it! */ | |
1497 | ||
c906108c | 1498 | static void |
fba45db2 | 1499 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1500 | { |
09e6485f | 1501 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
1502 | } |
1503 | ||
c906108c | 1504 | static void |
fba45db2 | 1505 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1506 | { |
1507 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
1508 | make any mathematical sense. In theory, we can deal with any input | |
1509 | radix greater than 1, even if we don't have unique digits for every | |
1510 | value from 0 to radix-1, but in practice we lose on large radix values. | |
1511 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 1512 | (FIXME). */ |
c906108c SS |
1513 | |
1514 | if (radix < 2) | |
1515 | { | |
09e6485f | 1516 | input_radix_1 = input_radix; |
8a3fe4f8 | 1517 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
1518 | radix); |
1519 | } | |
09e6485f | 1520 | input_radix_1 = input_radix = radix; |
c906108c SS |
1521 | if (from_tty) |
1522 | { | |
3e43a32a MS |
1523 | printf_filtered (_("Input radix now set to " |
1524 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1525 | radix, radix, radix); |
1526 | } | |
1527 | } | |
1528 | ||
09e6485f PA |
1529 | /* The 'set output-radix' command writes to this auxiliary variable. |
1530 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
1531 | otherwise, it is left unchanged. */ | |
1532 | ||
1533 | static unsigned output_radix_1 = 10; | |
1534 | ||
c906108c | 1535 | static void |
fba45db2 | 1536 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1537 | { |
09e6485f | 1538 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
1539 | } |
1540 | ||
1541 | static void | |
fba45db2 | 1542 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1543 | { |
1544 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 1545 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
1546 | switch (radix) |
1547 | { | |
1548 | case 16: | |
79a45b7d | 1549 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
1550 | break; |
1551 | case 10: | |
79a45b7d | 1552 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
1553 | break; |
1554 | case 8: | |
79a45b7d | 1555 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
1556 | break; |
1557 | default: | |
09e6485f | 1558 | output_radix_1 = output_radix; |
3e43a32a MS |
1559 | error (_("Unsupported output radix ``decimal %u''; " |
1560 | "output radix unchanged."), | |
c906108c SS |
1561 | radix); |
1562 | } | |
09e6485f | 1563 | output_radix_1 = output_radix = radix; |
c906108c SS |
1564 | if (from_tty) |
1565 | { | |
3e43a32a MS |
1566 | printf_filtered (_("Output radix now set to " |
1567 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1568 | radix, radix, radix); |
1569 | } | |
1570 | } | |
1571 | ||
1572 | /* Set both the input and output radix at once. Try to set the output radix | |
1573 | first, since it has the most restrictive range. An radix that is valid as | |
1574 | an output radix is also valid as an input radix. | |
1575 | ||
1576 | It may be useful to have an unusual input radix. If the user wishes to | |
1577 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 1578 | the 'set input-radix' command. */ |
c906108c SS |
1579 | |
1580 | static void | |
fba45db2 | 1581 | set_radix (char *arg, int from_tty) |
c906108c SS |
1582 | { |
1583 | unsigned radix; | |
1584 | ||
bb518678 | 1585 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
1586 | set_output_radix_1 (0, radix); |
1587 | set_input_radix_1 (0, radix); | |
1588 | if (from_tty) | |
1589 | { | |
3e43a32a MS |
1590 | printf_filtered (_("Input and output radices now set to " |
1591 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1592 | radix, radix, radix); |
1593 | } | |
1594 | } | |
1595 | ||
581e13c1 | 1596 | /* Show both the input and output radices. */ |
c906108c | 1597 | |
c906108c | 1598 | static void |
fba45db2 | 1599 | show_radix (char *arg, int from_tty) |
c906108c SS |
1600 | { |
1601 | if (from_tty) | |
1602 | { | |
1603 | if (input_radix == output_radix) | |
1604 | { | |
3e43a32a MS |
1605 | printf_filtered (_("Input and output radices set to " |
1606 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1607 | input_radix, input_radix, input_radix); |
1608 | } | |
1609 | else | |
1610 | { | |
3e43a32a MS |
1611 | printf_filtered (_("Input radix set to decimal " |
1612 | "%u, hex %x, octal %o.\n"), | |
c906108c | 1613 | input_radix, input_radix, input_radix); |
3e43a32a MS |
1614 | printf_filtered (_("Output radix set to decimal " |
1615 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
1616 | output_radix, output_radix, output_radix); |
1617 | } | |
1618 | } | |
1619 | } | |
c906108c | 1620 | \f |
c5aa993b | 1621 | |
c906108c | 1622 | static void |
fba45db2 | 1623 | set_print (char *arg, int from_tty) |
c906108c SS |
1624 | { |
1625 | printf_unfiltered ( | |
c5aa993b | 1626 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
c906108c SS |
1627 | help_list (setprintlist, "set print ", -1, gdb_stdout); |
1628 | } | |
1629 | ||
c906108c | 1630 | static void |
fba45db2 | 1631 | show_print (char *args, int from_tty) |
c906108c SS |
1632 | { |
1633 | cmd_show_list (showprintlist, from_tty, ""); | |
1634 | } | |
1635 | \f | |
1636 | void | |
fba45db2 | 1637 | _initialize_valprint (void) |
c906108c | 1638 | { |
c906108c | 1639 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 1640 | _("Generic command for setting how things print."), |
c906108c | 1641 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 1642 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 1643 | /* Prefer set print to set prompt. */ |
c906108c SS |
1644 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
1645 | ||
1646 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 1647 | _("Generic command for showing print settings."), |
c906108c | 1648 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
1649 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
1650 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 1651 | |
79a45b7d TT |
1652 | add_setshow_uinteger_cmd ("elements", no_class, |
1653 | &user_print_options.print_max, _("\ | |
35096d9d AC |
1654 | Set limit on string chars or array elements to print."), _("\ |
1655 | Show limit on string chars or array elements to print."), _("\ | |
1656 | \"set print elements 0\" causes there to be no limit."), | |
1657 | NULL, | |
920d2a44 | 1658 | show_print_max, |
35096d9d | 1659 | &setprintlist, &showprintlist); |
c906108c | 1660 | |
79a45b7d TT |
1661 | add_setshow_boolean_cmd ("null-stop", no_class, |
1662 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
1663 | Set printing of char arrays to stop at first null char."), _("\ |
1664 | Show printing of char arrays to stop at first null char."), NULL, | |
1665 | NULL, | |
920d2a44 | 1666 | show_stop_print_at_null, |
5bf193a2 | 1667 | &setprintlist, &showprintlist); |
c906108c | 1668 | |
35096d9d | 1669 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 1670 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
1671 | Set threshold for repeated print elements."), _("\ |
1672 | Show threshold for repeated print elements."), _("\ | |
1673 | \"set print repeats 0\" causes all elements to be individually printed."), | |
1674 | NULL, | |
920d2a44 | 1675 | show_repeat_count_threshold, |
35096d9d | 1676 | &setprintlist, &showprintlist); |
c906108c | 1677 | |
79a45b7d TT |
1678 | add_setshow_boolean_cmd ("pretty", class_support, |
1679 | &user_print_options.prettyprint_structs, _("\ | |
5bf193a2 AC |
1680 | Set prettyprinting of structures."), _("\ |
1681 | Show prettyprinting of structures."), NULL, | |
1682 | NULL, | |
920d2a44 | 1683 | show_prettyprint_structs, |
5bf193a2 AC |
1684 | &setprintlist, &showprintlist); |
1685 | ||
79a45b7d TT |
1686 | add_setshow_boolean_cmd ("union", class_support, |
1687 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
1688 | Set printing of unions interior to structures."), _("\ |
1689 | Show printing of unions interior to structures."), NULL, | |
1690 | NULL, | |
920d2a44 | 1691 | show_unionprint, |
5bf193a2 AC |
1692 | &setprintlist, &showprintlist); |
1693 | ||
79a45b7d TT |
1694 | add_setshow_boolean_cmd ("array", class_support, |
1695 | &user_print_options.prettyprint_arrays, _("\ | |
5bf193a2 AC |
1696 | Set prettyprinting of arrays."), _("\ |
1697 | Show prettyprinting of arrays."), NULL, | |
1698 | NULL, | |
920d2a44 | 1699 | show_prettyprint_arrays, |
5bf193a2 AC |
1700 | &setprintlist, &showprintlist); |
1701 | ||
79a45b7d TT |
1702 | add_setshow_boolean_cmd ("address", class_support, |
1703 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
1704 | Set printing of addresses."), _("\ |
1705 | Show printing of addresses."), NULL, | |
1706 | NULL, | |
920d2a44 | 1707 | show_addressprint, |
5bf193a2 | 1708 | &setprintlist, &showprintlist); |
c906108c | 1709 | |
1e8fb976 PA |
1710 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
1711 | _("\ | |
35096d9d AC |
1712 | Set default input radix for entering numbers."), _("\ |
1713 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
1714 | set_input_radix, |
1715 | show_input_radix, | |
1716 | &setlist, &showlist); | |
35096d9d | 1717 | |
1e8fb976 PA |
1718 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
1719 | _("\ | |
35096d9d AC |
1720 | Set default output radix for printing of values."), _("\ |
1721 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
1722 | set_output_radix, |
1723 | show_output_radix, | |
1724 | &setlist, &showlist); | |
c906108c | 1725 | |
cb1a6d5f AC |
1726 | /* The "set radix" and "show radix" commands are special in that |
1727 | they are like normal set and show commands but allow two normally | |
1728 | independent variables to be either set or shown with a single | |
b66df561 | 1729 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 1730 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
1731 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
1732 | longer true - show can display anything. */ | |
1a966eab AC |
1733 | add_cmd ("radix", class_support, set_radix, _("\ |
1734 | Set default input and output number radices.\n\ | |
c906108c | 1735 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 1736 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 1737 | &setlist); |
1a966eab AC |
1738 | add_cmd ("radix", class_support, show_radix, _("\ |
1739 | Show the default input and output number radices.\n\ | |
1740 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
1741 | &showlist); |
1742 | ||
e79af960 | 1743 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 1744 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
1745 | Set printing of array indexes."), _("\ |
1746 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
1747 | &setprintlist, &showprintlist); | |
c906108c | 1748 | } |