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 | { | |
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 | ||
32b72a42 PA |
296 | /* Print using the given LANGUAGE the data of type TYPE located at |
297 | VALADDR + EMBEDDED_OFFSET (within GDB), which came from the | |
298 | inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream | |
299 | STREAM according to OPTIONS. VAL is the whole object that came | |
300 | from ADDRESS. VALADDR must point to the head of VAL's contents | |
301 | buffer. | |
302 | ||
303 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
304 | further helper subroutines as subfields of TYPE are printed. In | |
305 | such cases, VALADDR is passed down unadjusted, as well as VAL, so | |
306 | that VAL can be queried for metadata about the contents data being | |
307 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
308 | buffer. For example: "has this field been optimized out", or "I'm | |
309 | printing an object while inspecting a traceframe; has this | |
310 | particular piece of data been collected?". | |
311 | ||
312 | RECURSE indicates the amount of indentation to supply before | |
313 | continuation lines; this amount is roughly twice the value of | |
314 | RECURSE. | |
315 | ||
316 | If the data is printed as a string, returns the number of string | |
317 | characters printed. */ | |
c906108c SS |
318 | |
319 | int | |
fc1a4b47 | 320 | val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 321 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 322 | const struct value *val, |
79a45b7d | 323 | const struct value_print_options *options, |
d8ca156b | 324 | const struct language_defn *language) |
c906108c | 325 | { |
19ca80ba DJ |
326 | volatile struct gdb_exception except; |
327 | int ret = 0; | |
79a45b7d | 328 | struct value_print_options local_opts = *options; |
c906108c | 329 | struct type *real_type = check_typedef (type); |
79a45b7d TT |
330 | |
331 | if (local_opts.pretty == Val_pretty_default) | |
332 | local_opts.pretty = (local_opts.prettyprint_structs | |
333 | ? Val_prettyprint : Val_no_prettyprint); | |
c5aa993b | 334 | |
c906108c SS |
335 | QUIT; |
336 | ||
337 | /* Ensure that the type is complete and not just a stub. If the type is | |
338 | only a stub and we can't find and substitute its complete type, then | |
339 | print appropriate string and return. */ | |
340 | ||
74a9bb82 | 341 | if (TYPE_STUB (real_type)) |
c906108c | 342 | { |
0e03807e | 343 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c SS |
344 | gdb_flush (stream); |
345 | return (0); | |
346 | } | |
c5aa993b | 347 | |
0e03807e TT |
348 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
349 | return 0; | |
350 | ||
a6bac58e TT |
351 | if (!options->raw) |
352 | { | |
353 | ret = apply_val_pretty_printer (type, valaddr, embedded_offset, | |
0e03807e TT |
354 | address, stream, recurse, |
355 | val, options, language); | |
a6bac58e TT |
356 | if (ret) |
357 | return ret; | |
358 | } | |
359 | ||
360 | /* Handle summary mode. If the value is a scalar, print it; | |
361 | otherwise, print an ellipsis. */ | |
362 | if (options->summary && !scalar_type_p (type)) | |
363 | { | |
364 | fprintf_filtered (stream, "..."); | |
365 | return 0; | |
366 | } | |
367 | ||
19ca80ba DJ |
368 | TRY_CATCH (except, RETURN_MASK_ERROR) |
369 | { | |
d8ca156b | 370 | ret = language->la_val_print (type, valaddr, embedded_offset, address, |
0e03807e TT |
371 | stream, recurse, val, |
372 | &local_opts); | |
19ca80ba DJ |
373 | } |
374 | if (except.reason < 0) | |
375 | fprintf_filtered (stream, _("<error reading variable>")); | |
376 | ||
377 | return ret; | |
c906108c SS |
378 | } |
379 | ||
806048c6 DJ |
380 | /* Check whether the value VAL is printable. Return 1 if it is; |
381 | return 0 and print an appropriate error message to STREAM if it | |
382 | is not. */ | |
c906108c | 383 | |
806048c6 DJ |
384 | static int |
385 | value_check_printable (struct value *val, struct ui_file *stream) | |
c906108c SS |
386 | { |
387 | if (val == 0) | |
388 | { | |
806048c6 | 389 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
390 | return 0; |
391 | } | |
806048c6 | 392 | |
0e03807e | 393 | if (value_entirely_optimized_out (val)) |
c906108c | 394 | { |
585fdaa1 | 395 | val_print_optimized_out (stream); |
c906108c SS |
396 | return 0; |
397 | } | |
806048c6 | 398 | |
bc3b79fd TJB |
399 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
400 | { | |
401 | fprintf_filtered (stream, _("<internal function %s>"), | |
402 | value_internal_function_name (val)); | |
403 | return 0; | |
404 | } | |
405 | ||
806048c6 DJ |
406 | return 1; |
407 | } | |
408 | ||
d8ca156b | 409 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 410 | to OPTIONS. |
806048c6 DJ |
411 | |
412 | If the data are a string pointer, returns the number of string characters | |
413 | printed. | |
414 | ||
415 | This is a preferable interface to val_print, above, because it uses | |
416 | GDB's value mechanism. */ | |
417 | ||
418 | int | |
79a45b7d TT |
419 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
420 | const struct value_print_options *options, | |
d8ca156b | 421 | const struct language_defn *language) |
806048c6 DJ |
422 | { |
423 | if (!value_check_printable (val, stream)) | |
424 | return 0; | |
425 | ||
0c3acc09 JB |
426 | if (language->la_language == language_ada) |
427 | /* The value might have a dynamic type, which would cause trouble | |
428 | below when trying to extract the value contents (since the value | |
429 | size is determined from the type size which is unknown). So | |
430 | get a fixed representation of our value. */ | |
431 | val = ada_to_fixed_value (val); | |
432 | ||
0e03807e | 433 | return val_print (value_type (val), value_contents_for_printing (val), |
42ae5230 | 434 | value_embedded_offset (val), value_address (val), |
0e03807e TT |
435 | stream, recurse, |
436 | val, options, language); | |
806048c6 DJ |
437 | } |
438 | ||
7348c5e1 JB |
439 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
440 | is printed using the current_language syntax. | |
441 | ||
442 | If the object printed is a string pointer, return the number of string | |
443 | bytes printed. */ | |
806048c6 DJ |
444 | |
445 | int | |
79a45b7d TT |
446 | value_print (struct value *val, struct ui_file *stream, |
447 | const struct value_print_options *options) | |
806048c6 DJ |
448 | { |
449 | if (!value_check_printable (val, stream)) | |
450 | return 0; | |
451 | ||
a6bac58e TT |
452 | if (!options->raw) |
453 | { | |
454 | int r = apply_val_pretty_printer (value_type (val), | |
0e03807e | 455 | value_contents_for_printing (val), |
a6bac58e TT |
456 | value_embedded_offset (val), |
457 | value_address (val), | |
0e03807e TT |
458 | stream, 0, |
459 | val, options, current_language); | |
a109c7c1 | 460 | |
a6bac58e TT |
461 | if (r) |
462 | return r; | |
463 | } | |
464 | ||
79a45b7d | 465 | return LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
466 | } |
467 | ||
468 | /* Called by various <lang>_val_print routines to print | |
469 | TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the | |
470 | value. STREAM is where to print the value. */ | |
471 | ||
472 | void | |
fc1a4b47 | 473 | val_print_type_code_int (struct type *type, const gdb_byte *valaddr, |
fba45db2 | 474 | struct ui_file *stream) |
c906108c | 475 | { |
50810684 | 476 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
d44e8473 | 477 | |
c906108c SS |
478 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
479 | { | |
480 | LONGEST val; | |
481 | ||
482 | if (TYPE_UNSIGNED (type) | |
483 | && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type), | |
e17a4113 | 484 | byte_order, &val)) |
c906108c SS |
485 | { |
486 | print_longest (stream, 'u', 0, val); | |
487 | } | |
488 | else | |
489 | { | |
490 | /* Signed, or we couldn't turn an unsigned value into a | |
491 | LONGEST. For signed values, one could assume two's | |
492 | complement (a reasonable assumption, I think) and do | |
493 | better than this. */ | |
494 | print_hex_chars (stream, (unsigned char *) valaddr, | |
d44e8473 | 495 | TYPE_LENGTH (type), byte_order); |
c906108c SS |
496 | } |
497 | } | |
498 | else | |
499 | { | |
c906108c SS |
500 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, |
501 | unpack_long (type, valaddr)); | |
c906108c SS |
502 | } |
503 | } | |
504 | ||
4f2aea11 MK |
505 | void |
506 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, | |
507 | struct ui_file *stream) | |
508 | { | |
befae759 | 509 | ULONGEST val = unpack_long (type, valaddr); |
4f2aea11 MK |
510 | int bitpos, nfields = TYPE_NFIELDS (type); |
511 | ||
512 | fputs_filtered ("[ ", stream); | |
513 | for (bitpos = 0; bitpos < nfields; bitpos++) | |
514 | { | |
316703b9 MK |
515 | if (TYPE_FIELD_BITPOS (type, bitpos) != -1 |
516 | && (val & ((ULONGEST)1 << bitpos))) | |
4f2aea11 MK |
517 | { |
518 | if (TYPE_FIELD_NAME (type, bitpos)) | |
519 | fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos)); | |
520 | else | |
521 | fprintf_filtered (stream, "#%d ", bitpos); | |
522 | } | |
523 | } | |
524 | fputs_filtered ("]", stream); | |
ab2188aa PA |
525 | |
526 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
527 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
528 | at this level. | |
529 | ||
530 | This is how the elements of an array or structure are printed | |
531 | with a format. */ | |
532 | } | |
533 | ||
534 | void | |
535 | val_print_scalar_formatted (struct type *type, | |
536 | const gdb_byte *valaddr, int embedded_offset, | |
537 | const struct value *val, | |
538 | const struct value_print_options *options, | |
539 | int size, | |
540 | struct ui_file *stream) | |
541 | { | |
542 | gdb_assert (val != NULL); | |
543 | gdb_assert (valaddr == value_contents_for_printing_const (val)); | |
544 | ||
545 | /* If we get here with a string format, try again without it. Go | |
546 | all the way back to the language printers, which may call us | |
547 | again. */ | |
548 | if (options->format == 's') | |
549 | { | |
550 | struct value_print_options opts = *options; | |
551 | opts.format = 0; | |
552 | opts.deref_ref = 0; | |
553 | val_print (type, valaddr, embedded_offset, 0, stream, 0, val, &opts, | |
554 | current_language); | |
555 | return; | |
556 | } | |
557 | ||
558 | /* A scalar object that does not have all bits available can't be | |
559 | printed, because all bits contribute to its representation. */ | |
560 | if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset, | |
561 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
562 | val_print_optimized_out (stream); | |
563 | else | |
564 | print_scalar_formatted (valaddr + embedded_offset, type, | |
565 | options, size, stream); | |
4f2aea11 MK |
566 | } |
567 | ||
c906108c SS |
568 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
569 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 570 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 571 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 572 | format. |
bb599908 PH |
573 | |
574 | USE_C_FORMAT means to use C format in all cases. Without it, | |
575 | 'o' and 'x' format do not include the standard C radix prefix | |
576 | (leading 0 or 0x). | |
577 | ||
578 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
579 | and was intended to request formating according to the current | |
580 | language and would be used for most integers that GDB prints. The | |
581 | exceptional cases were things like protocols where the format of | |
582 | the integer is a protocol thing, not a user-visible thing). The | |
583 | parameter remains to preserve the information of what things might | |
584 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 585 | that capability. */ |
c906108c SS |
586 | |
587 | void | |
bb599908 | 588 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 589 | LONGEST val_long) |
c906108c | 590 | { |
2bfb72ee AC |
591 | const char *val; |
592 | ||
c906108c SS |
593 | switch (format) |
594 | { | |
595 | case 'd': | |
bb599908 | 596 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 597 | case 'u': |
bb599908 | 598 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 599 | case 'x': |
bb599908 | 600 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 601 | case 'b': |
bb599908 | 602 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 603 | case 'h': |
bb599908 | 604 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 605 | case 'w': |
bb599908 | 606 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 607 | case 'g': |
bb599908 | 608 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
609 | break; |
610 | case 'o': | |
bb599908 | 611 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 612 | default: |
3e43a32a MS |
613 | internal_error (__FILE__, __LINE__, |
614 | _("failed internal consistency check")); | |
bb599908 | 615 | } |
2bfb72ee | 616 | fputs_filtered (val, stream); |
c906108c SS |
617 | } |
618 | ||
c906108c SS |
619 | /* This used to be a macro, but I don't think it is called often enough |
620 | to merit such treatment. */ | |
621 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
622 | arguments to a function, number in a value history, register number, etc.) | |
623 | where the value must not be larger than can fit in an int. */ | |
624 | ||
625 | int | |
fba45db2 | 626 | longest_to_int (LONGEST arg) |
c906108c | 627 | { |
581e13c1 | 628 | /* Let the compiler do the work. */ |
c906108c SS |
629 | int rtnval = (int) arg; |
630 | ||
581e13c1 | 631 | /* Check for overflows or underflows. */ |
c906108c SS |
632 | if (sizeof (LONGEST) > sizeof (int)) |
633 | { | |
634 | if (rtnval != arg) | |
635 | { | |
8a3fe4f8 | 636 | error (_("Value out of range.")); |
c906108c SS |
637 | } |
638 | } | |
639 | return (rtnval); | |
640 | } | |
641 | ||
a73c86fb AC |
642 | /* Print a floating point value of type TYPE (not always a |
643 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
644 | |
645 | void | |
fc1a4b47 | 646 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 647 | struct ui_file *stream) |
c906108c SS |
648 | { |
649 | DOUBLEST doub; | |
650 | int inv; | |
a73c86fb | 651 | const struct floatformat *fmt = NULL; |
c906108c | 652 | unsigned len = TYPE_LENGTH (type); |
20389057 | 653 | enum float_kind kind; |
c5aa993b | 654 | |
a73c86fb AC |
655 | /* If it is a floating-point, check for obvious problems. */ |
656 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
657 | fmt = floatformat_from_type (type); | |
20389057 | 658 | if (fmt != NULL) |
39424bef | 659 | { |
20389057 DJ |
660 | kind = floatformat_classify (fmt, valaddr); |
661 | if (kind == float_nan) | |
662 | { | |
663 | if (floatformat_is_negative (fmt, valaddr)) | |
664 | fprintf_filtered (stream, "-"); | |
665 | fprintf_filtered (stream, "nan("); | |
666 | fputs_filtered ("0x", stream); | |
667 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
668 | fprintf_filtered (stream, ")"); | |
669 | return; | |
670 | } | |
671 | else if (kind == float_infinite) | |
672 | { | |
673 | if (floatformat_is_negative (fmt, valaddr)) | |
674 | fputs_filtered ("-", stream); | |
675 | fputs_filtered ("inf", stream); | |
676 | return; | |
677 | } | |
7355ddba | 678 | } |
c906108c | 679 | |
a73c86fb AC |
680 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
681 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
682 | needs to be used as that takes care of any necessary type | |
683 | conversions. Such conversions are of course direct to DOUBLEST | |
684 | and disregard any possible target floating point limitations. | |
685 | For instance, a u64 would be converted and displayed exactly on a | |
686 | host with 80 bit DOUBLEST but with loss of information on a host | |
687 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 688 | |
c906108c SS |
689 | doub = unpack_double (type, valaddr, &inv); |
690 | if (inv) | |
691 | { | |
692 | fprintf_filtered (stream, "<invalid float value>"); | |
693 | return; | |
694 | } | |
695 | ||
39424bef MK |
696 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
697 | assumptions about the host and target floating point format. */ | |
698 | ||
a73c86fb | 699 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 700 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
701 | instead uses the type's length to determine the precision of the |
702 | floating-point value being printed. */ | |
c2f05ac9 | 703 | |
c906108c | 704 | if (len < sizeof (double)) |
c5aa993b | 705 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 706 | else if (len == sizeof (double)) |
c5aa993b | 707 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
708 | else |
709 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
710 | fprintf_filtered (stream, "%.35Lg", doub); | |
711 | #else | |
39424bef MK |
712 | /* This at least wins with values that are representable as |
713 | doubles. */ | |
c906108c SS |
714 | fprintf_filtered (stream, "%.17g", (double) doub); |
715 | #endif | |
716 | } | |
717 | ||
7678ef8f TJB |
718 | void |
719 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
720 | struct ui_file *stream) | |
721 | { | |
e17a4113 | 722 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
723 | char decstr[MAX_DECIMAL_STRING]; |
724 | unsigned len = TYPE_LENGTH (type); | |
725 | ||
e17a4113 | 726 | decimal_to_string (valaddr, len, byte_order, decstr); |
7678ef8f TJB |
727 | fputs_filtered (decstr, stream); |
728 | return; | |
729 | } | |
730 | ||
c5aa993b | 731 | void |
fc1a4b47 | 732 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 733 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
734 | { |
735 | ||
736 | #define BITS_IN_BYTES 8 | |
737 | ||
fc1a4b47 | 738 | const gdb_byte *p; |
745b8ca0 | 739 | unsigned int i; |
c5aa993b | 740 | int b; |
c906108c SS |
741 | |
742 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
743 | This ensures that right shift will shift in zeros. */ |
744 | ||
c5aa993b | 745 | const int mask = 0x080; |
c906108c SS |
746 | |
747 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
748 | ||
d44e8473 | 749 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
750 | { |
751 | for (p = valaddr; | |
752 | p < valaddr + len; | |
753 | p++) | |
754 | { | |
c5aa993b | 755 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
756 | and print from the MSB end. */ |
757 | ||
c5aa993b JM |
758 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
759 | { | |
760 | if (*p & (mask >> i)) | |
761 | b = 1; | |
762 | else | |
763 | b = 0; | |
764 | ||
765 | fprintf_filtered (stream, "%1d", b); | |
766 | } | |
c906108c SS |
767 | } |
768 | } | |
769 | else | |
770 | { | |
771 | for (p = valaddr + len - 1; | |
772 | p >= valaddr; | |
773 | p--) | |
774 | { | |
c5aa993b JM |
775 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
776 | { | |
777 | if (*p & (mask >> i)) | |
778 | b = 1; | |
779 | else | |
780 | b = 0; | |
781 | ||
782 | fprintf_filtered (stream, "%1d", b); | |
783 | } | |
c906108c SS |
784 | } |
785 | } | |
c906108c SS |
786 | } |
787 | ||
788 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
789 | Print it in octal on stream or format it in buf. */ |
790 | ||
c906108c | 791 | void |
fc1a4b47 | 792 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 793 | unsigned len, enum bfd_endian byte_order) |
c906108c | 794 | { |
fc1a4b47 | 795 | const gdb_byte *p; |
c906108c | 796 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
797 | int cycle; |
798 | ||
c906108c SS |
799 | /* FIXME: We should be not printing leading zeroes in most cases. */ |
800 | ||
801 | ||
802 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track | |
803 | * the extra bits, which cycle every three bytes: | |
804 | * | |
805 | * Byte side: 0 1 2 3 | |
806 | * | | | | | |
807 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
808 | * | |
809 | * Octal side: 0 1 carry 3 4 carry ... | |
810 | * | |
811 | * Cycle number: 0 1 2 | |
812 | * | |
813 | * But of course we are printing from the high side, so we have to | |
814 | * figure out where in the cycle we are so that we end up with no | |
815 | * left over bits at the end. | |
816 | */ | |
817 | #define BITS_IN_OCTAL 3 | |
818 | #define HIGH_ZERO 0340 | |
819 | #define LOW_ZERO 0016 | |
820 | #define CARRY_ZERO 0003 | |
821 | #define HIGH_ONE 0200 | |
822 | #define MID_ONE 0160 | |
823 | #define LOW_ONE 0016 | |
824 | #define CARRY_ONE 0001 | |
825 | #define HIGH_TWO 0300 | |
826 | #define MID_TWO 0070 | |
827 | #define LOW_TWO 0007 | |
828 | ||
829 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
830 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
831 | ||
c906108c SS |
832 | cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL; |
833 | carry = 0; | |
c5aa993b | 834 | |
bb599908 | 835 | fputs_filtered ("0", stream); |
d44e8473 | 836 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
837 | { |
838 | for (p = valaddr; | |
839 | p < valaddr + len; | |
840 | p++) | |
841 | { | |
c5aa993b JM |
842 | switch (cycle) |
843 | { | |
844 | case 0: | |
581e13c1 MS |
845 | /* No carry in, carry out two bits. */ |
846 | ||
c5aa993b JM |
847 | octa1 = (HIGH_ZERO & *p) >> 5; |
848 | octa2 = (LOW_ZERO & *p) >> 2; | |
849 | carry = (CARRY_ZERO & *p); | |
850 | fprintf_filtered (stream, "%o", octa1); | |
851 | fprintf_filtered (stream, "%o", octa2); | |
852 | break; | |
853 | ||
854 | case 1: | |
581e13c1 MS |
855 | /* Carry in two bits, carry out one bit. */ |
856 | ||
c5aa993b JM |
857 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
858 | octa2 = (MID_ONE & *p) >> 4; | |
859 | octa3 = (LOW_ONE & *p) >> 1; | |
860 | carry = (CARRY_ONE & *p); | |
861 | fprintf_filtered (stream, "%o", octa1); | |
862 | fprintf_filtered (stream, "%o", octa2); | |
863 | fprintf_filtered (stream, "%o", octa3); | |
864 | break; | |
865 | ||
866 | case 2: | |
581e13c1 MS |
867 | /* Carry in one bit, no carry out. */ |
868 | ||
c5aa993b JM |
869 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
870 | octa2 = (MID_TWO & *p) >> 3; | |
871 | octa3 = (LOW_TWO & *p); | |
872 | carry = 0; | |
873 | fprintf_filtered (stream, "%o", octa1); | |
874 | fprintf_filtered (stream, "%o", octa2); | |
875 | fprintf_filtered (stream, "%o", octa3); | |
876 | break; | |
877 | ||
878 | default: | |
8a3fe4f8 | 879 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
880 | } |
881 | ||
882 | cycle++; | |
883 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
884 | } |
885 | } | |
886 | else | |
887 | { | |
888 | for (p = valaddr + len - 1; | |
889 | p >= valaddr; | |
890 | p--) | |
891 | { | |
c5aa993b JM |
892 | switch (cycle) |
893 | { | |
894 | case 0: | |
895 | /* Carry out, no carry in */ | |
581e13c1 | 896 | |
c5aa993b JM |
897 | octa1 = (HIGH_ZERO & *p) >> 5; |
898 | octa2 = (LOW_ZERO & *p) >> 2; | |
899 | carry = (CARRY_ZERO & *p); | |
900 | fprintf_filtered (stream, "%o", octa1); | |
901 | fprintf_filtered (stream, "%o", octa2); | |
902 | break; | |
903 | ||
904 | case 1: | |
905 | /* Carry in, carry out */ | |
581e13c1 | 906 | |
c5aa993b JM |
907 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
908 | octa2 = (MID_ONE & *p) >> 4; | |
909 | octa3 = (LOW_ONE & *p) >> 1; | |
910 | carry = (CARRY_ONE & *p); | |
911 | fprintf_filtered (stream, "%o", octa1); | |
912 | fprintf_filtered (stream, "%o", octa2); | |
913 | fprintf_filtered (stream, "%o", octa3); | |
914 | break; | |
915 | ||
916 | case 2: | |
917 | /* Carry in, no carry out */ | |
581e13c1 | 918 | |
c5aa993b JM |
919 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
920 | octa2 = (MID_TWO & *p) >> 3; | |
921 | octa3 = (LOW_TWO & *p); | |
922 | carry = 0; | |
923 | fprintf_filtered (stream, "%o", octa1); | |
924 | fprintf_filtered (stream, "%o", octa2); | |
925 | fprintf_filtered (stream, "%o", octa3); | |
926 | break; | |
927 | ||
928 | default: | |
8a3fe4f8 | 929 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
930 | } |
931 | ||
932 | cycle++; | |
933 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
934 | } |
935 | } | |
936 | ||
c906108c SS |
937 | } |
938 | ||
939 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
940 | Print it in decimal on stream or format it in buf. */ |
941 | ||
c906108c | 942 | void |
fc1a4b47 | 943 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 944 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
945 | { |
946 | #define TEN 10 | |
c5aa993b | 947 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
948 | #define CARRY_LEFT( x ) ((x) % TEN) |
949 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
950 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
951 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
952 | ||
fc1a4b47 | 953 | const gdb_byte *p; |
c906108c | 954 | unsigned char *digits; |
c5aa993b JM |
955 | int carry; |
956 | int decimal_len; | |
957 | int i, j, decimal_digits; | |
958 | int dummy; | |
959 | int flip; | |
960 | ||
c906108c | 961 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
962 | as the base 16 number, which is 2 digits per byte. */ |
963 | ||
c906108c | 964 | decimal_len = len * 2 * 2; |
3c37485b | 965 | digits = xmalloc (decimal_len); |
c906108c | 966 | |
c5aa993b JM |
967 | for (i = 0; i < decimal_len; i++) |
968 | { | |
c906108c | 969 | digits[i] = 0; |
c5aa993b | 970 | } |
c906108c | 971 | |
c906108c SS |
972 | /* Ok, we have an unknown number of bytes of data to be printed in |
973 | * decimal. | |
974 | * | |
975 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
976 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
977 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
978 | * | |
979 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 980 | * the individual digits are > 10. |
c906108c SS |
981 | * |
982 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
983 | * LSD end. | |
984 | */ | |
c5aa993b | 985 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 986 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 987 | flip = 0; |
d44e8473 | 988 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 989 | { |
c906108c SS |
990 | /* |
991 | * Multiply current base-ten number by 16 in place. | |
992 | * Each digit was between 0 and 9, now is between | |
993 | * 0 and 144. | |
994 | */ | |
c5aa993b JM |
995 | for (j = 0; j < decimal_digits; j++) |
996 | { | |
997 | digits[j] = SHIFT (digits[j]); | |
998 | } | |
999 | ||
c906108c SS |
1000 | /* Take the next nibble off the input and add it to what |
1001 | * we've got in the LSB position. Bottom 'digit' is now | |
1002 | * between 0 and 159. | |
1003 | * | |
1004 | * "flip" is used to run this loop twice for each byte. | |
1005 | */ | |
c5aa993b JM |
1006 | if (flip == 0) |
1007 | { | |
581e13c1 MS |
1008 | /* Take top nibble. */ |
1009 | ||
c5aa993b JM |
1010 | digits[0] += HIGH_NIBBLE (*p); |
1011 | flip = 1; | |
1012 | } | |
1013 | else | |
1014 | { | |
581e13c1 MS |
1015 | /* Take low nibble and bump our pointer "p". */ |
1016 | ||
c5aa993b | 1017 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1018 | if (byte_order == BFD_ENDIAN_BIG) |
1019 | p++; | |
1020 | else | |
1021 | p--; | |
c5aa993b JM |
1022 | flip = 0; |
1023 | } | |
c906108c SS |
1024 | |
1025 | /* Re-decimalize. We have to do this often enough | |
1026 | * that we don't overflow, but once per nibble is | |
1027 | * overkill. Easier this way, though. Note that the | |
1028 | * carry is often larger than 10 (e.g. max initial | |
1029 | * carry out of lowest nibble is 15, could bubble all | |
1030 | * the way up greater than 10). So we have to do | |
1031 | * the carrying beyond the last current digit. | |
1032 | */ | |
1033 | carry = 0; | |
c5aa993b JM |
1034 | for (j = 0; j < decimal_len - 1; j++) |
1035 | { | |
1036 | digits[j] += carry; | |
1037 | ||
1038 | /* "/" won't handle an unsigned char with | |
1039 | * a value that if signed would be negative. | |
1040 | * So extend to longword int via "dummy". | |
1041 | */ | |
1042 | dummy = digits[j]; | |
1043 | carry = CARRY_OUT (dummy); | |
1044 | digits[j] = CARRY_LEFT (dummy); | |
1045 | ||
1046 | if (j >= decimal_digits && carry == 0) | |
1047 | { | |
1048 | /* | |
1049 | * All higher digits are 0 and we | |
1050 | * no longer have a carry. | |
1051 | * | |
1052 | * Note: "j" is 0-based, "decimal_digits" is | |
1053 | * 1-based. | |
1054 | */ | |
1055 | decimal_digits = j + 1; | |
1056 | break; | |
1057 | } | |
1058 | } | |
1059 | } | |
c906108c SS |
1060 | |
1061 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1062 | the "decimal_digits" actual digits. Print! */ |
1063 | ||
c5aa993b JM |
1064 | for (i = decimal_digits - 1; i >= 0; i--) |
1065 | { | |
1066 | fprintf_filtered (stream, "%1d", digits[i]); | |
1067 | } | |
b8c9b27d | 1068 | xfree (digits); |
c906108c SS |
1069 | } |
1070 | ||
1071 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1072 | ||
6b9acc27 | 1073 | void |
fc1a4b47 | 1074 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1075 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1076 | { |
fc1a4b47 | 1077 | const gdb_byte *p; |
c906108c SS |
1078 | |
1079 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1080 | ||
bb599908 | 1081 | fputs_filtered ("0x", stream); |
d44e8473 | 1082 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1083 | { |
1084 | for (p = valaddr; | |
1085 | p < valaddr + len; | |
1086 | p++) | |
1087 | { | |
1088 | fprintf_filtered (stream, "%02x", *p); | |
1089 | } | |
1090 | } | |
1091 | else | |
1092 | { | |
1093 | for (p = valaddr + len - 1; | |
1094 | p >= valaddr; | |
1095 | p--) | |
1096 | { | |
1097 | fprintf_filtered (stream, "%02x", *p); | |
1098 | } | |
1099 | } | |
c906108c SS |
1100 | } |
1101 | ||
3e43a32a | 1102 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1103 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1104 | Omit any leading zero chars. */ |
1105 | ||
1106 | void | |
6c7a06a3 TT |
1107 | print_char_chars (struct ui_file *stream, struct type *type, |
1108 | const gdb_byte *valaddr, | |
d44e8473 | 1109 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1110 | { |
fc1a4b47 | 1111 | const gdb_byte *p; |
6b9acc27 | 1112 | |
d44e8473 | 1113 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1114 | { |
1115 | p = valaddr; | |
1116 | while (p < valaddr + len - 1 && *p == 0) | |
1117 | ++p; | |
1118 | ||
1119 | while (p < valaddr + len) | |
1120 | { | |
6c7a06a3 | 1121 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1122 | ++p; |
1123 | } | |
1124 | } | |
1125 | else | |
1126 | { | |
1127 | p = valaddr + len - 1; | |
1128 | while (p > valaddr && *p == 0) | |
1129 | --p; | |
1130 | ||
1131 | while (p >= valaddr) | |
1132 | { | |
6c7a06a3 | 1133 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1134 | --p; |
1135 | } | |
1136 | } | |
1137 | } | |
1138 | ||
79a45b7d | 1139 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1140 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1141 | ||
1142 | void | |
1143 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1144 | struct ui_file *stream, |
1145 | const struct value_print_options *options) | |
e79af960 JB |
1146 | { |
1147 | struct value *index_value; | |
1148 | ||
79a45b7d | 1149 | if (!options->print_array_indexes) |
e79af960 JB |
1150 | return; |
1151 | ||
1152 | index_value = value_from_longest (index_type, index); | |
1153 | ||
79a45b7d TT |
1154 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1155 | } | |
e79af960 | 1156 | |
c906108c | 1157 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1158 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1159 | |
c5aa993b JM |
1160 | (FIXME?) Assumes array element separator is a comma, which is correct |
1161 | for all languages currently handled. | |
1162 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1163 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1164 | |
1165 | void | |
490f124f PA |
1166 | val_print_array_elements (struct type *type, |
1167 | const gdb_byte *valaddr, int embedded_offset, | |
a2bd3dcd | 1168 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1169 | int recurse, |
0e03807e | 1170 | const struct value *val, |
79a45b7d | 1171 | const struct value_print_options *options, |
fba45db2 | 1172 | unsigned int i) |
c906108c SS |
1173 | { |
1174 | unsigned int things_printed = 0; | |
1175 | unsigned len; | |
e79af960 | 1176 | struct type *elttype, *index_type; |
c906108c SS |
1177 | unsigned eltlen; |
1178 | /* Position of the array element we are examining to see | |
1179 | whether it is repeated. */ | |
1180 | unsigned int rep1; | |
1181 | /* Number of repetitions we have detected so far. */ | |
1182 | unsigned int reps; | |
dbc98a8b | 1183 | LONGEST low_bound, high_bound; |
c5aa993b | 1184 | |
c906108c SS |
1185 | elttype = TYPE_TARGET_TYPE (type); |
1186 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
e79af960 | 1187 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1188 | |
dbc98a8b | 1189 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b JB |
1190 | { |
1191 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1. | |
1192 | But we have to be a little extra careful, because some languages | |
1193 | such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for | |
1194 | empty arrays. In that situation, the array length is just zero, | |
1195 | not negative! */ | |
1196 | if (low_bound > high_bound) | |
1197 | len = 0; | |
1198 | else | |
1199 | len = high_bound - low_bound + 1; | |
1200 | } | |
e936309c JB |
1201 | else |
1202 | { | |
dbc98a8b KW |
1203 | warning (_("unable to get bounds of array, assuming null array")); |
1204 | low_bound = 0; | |
1205 | len = 0; | |
168de233 JB |
1206 | } |
1207 | ||
c906108c SS |
1208 | annotate_array_section_begin (i, elttype); |
1209 | ||
79a45b7d | 1210 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1211 | { |
1212 | if (i != 0) | |
1213 | { | |
79a45b7d | 1214 | if (options->prettyprint_arrays) |
c906108c SS |
1215 | { |
1216 | fprintf_filtered (stream, ",\n"); | |
1217 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1218 | } | |
1219 | else | |
1220 | { | |
1221 | fprintf_filtered (stream, ", "); | |
1222 | } | |
1223 | } | |
1224 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 1225 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 1226 | stream, options); |
c906108c SS |
1227 | |
1228 | rep1 = i + 1; | |
1229 | reps = 1; | |
490f124f PA |
1230 | while (rep1 < len |
1231 | && memcmp (valaddr + embedded_offset + i * eltlen, | |
1232 | valaddr + embedded_offset + rep1 * eltlen, | |
1233 | eltlen) == 0) | |
c906108c SS |
1234 | { |
1235 | ++reps; | |
1236 | ++rep1; | |
1237 | } | |
1238 | ||
79a45b7d | 1239 | if (reps > options->repeat_count_threshold) |
c906108c | 1240 | { |
490f124f PA |
1241 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1242 | address, stream, recurse + 1, val, options, | |
1243 | current_language); | |
c906108c SS |
1244 | annotate_elt_rep (reps); |
1245 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
1246 | annotate_elt_rep_end (); | |
1247 | ||
1248 | i = rep1 - 1; | |
79a45b7d | 1249 | things_printed += options->repeat_count_threshold; |
c906108c SS |
1250 | } |
1251 | else | |
1252 | { | |
490f124f PA |
1253 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1254 | address, | |
0e03807e | 1255 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1256 | annotate_elt (); |
1257 | things_printed++; | |
1258 | } | |
1259 | } | |
1260 | annotate_array_section_end (); | |
1261 | if (i < len) | |
1262 | { | |
1263 | fprintf_filtered (stream, "..."); | |
1264 | } | |
1265 | } | |
1266 | ||
917317f4 JM |
1267 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1268 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
1269 | actually read, and optionally an errno value in the location | |
581e13c1 | 1270 | pointed to by ERRNOPTR if ERRNOPTR is non-null. */ |
917317f4 JM |
1271 | |
1272 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1273 | function be eliminated. */ | |
1274 | ||
1275 | static int | |
3e43a32a MS |
1276 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
1277 | int len, int *errnoptr) | |
917317f4 | 1278 | { |
581e13c1 MS |
1279 | int nread; /* Number of bytes actually read. */ |
1280 | int errcode; /* Error from last read. */ | |
917317f4 | 1281 | |
581e13c1 | 1282 | /* First try a complete read. */ |
917317f4 JM |
1283 | errcode = target_read_memory (memaddr, myaddr, len); |
1284 | if (errcode == 0) | |
1285 | { | |
581e13c1 | 1286 | /* Got it all. */ |
917317f4 JM |
1287 | nread = len; |
1288 | } | |
1289 | else | |
1290 | { | |
581e13c1 | 1291 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
1292 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
1293 | { | |
1294 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
1295 | } | |
581e13c1 | 1296 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
1297 | if (errcode != 0) |
1298 | { | |
1299 | nread--; | |
1300 | } | |
1301 | } | |
1302 | if (errnoptr != NULL) | |
1303 | { | |
1304 | *errnoptr = errcode; | |
1305 | } | |
1306 | return (nread); | |
1307 | } | |
1308 | ||
ae6a3a4c TJB |
1309 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
1310 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
1311 | allocated buffer containing the string, which the caller is responsible to | |
1312 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
1313 | success, or errno on failure. | |
1314 | ||
1315 | If LEN > 0, reads exactly LEN characters (including eventual NULs in | |
1316 | the middle or end of the string). If LEN is -1, stops at the first | |
1317 | null character (not necessarily the first null byte) up to a maximum | |
1318 | of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many | |
1319 | characters as possible from the string. | |
1320 | ||
1321 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
1322 | failure. In this case, some characters might have been read before the | |
1323 | failure happened. Check BYTES_READ to recognize this situation. | |
1324 | ||
1325 | Note: There was a FIXME asking to make this code use target_read_string, | |
1326 | but this function is more general (can read past null characters, up to | |
581e13c1 | 1327 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
1328 | so it is more tested. Perhaps callers of target_read_string should use |
1329 | this function instead? */ | |
c906108c SS |
1330 | |
1331 | int | |
ae6a3a4c | 1332 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 1333 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 1334 | { |
ae6a3a4c TJB |
1335 | int found_nul; /* Non-zero if we found the nul char. */ |
1336 | int errcode; /* Errno returned from bad reads. */ | |
1337 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
1338 | unsigned int chunksize; /* Size of each fetch, in chars. */ | |
3e43a32a MS |
1339 | gdb_byte *bufptr; /* Pointer to next available byte in |
1340 | buffer. */ | |
ae6a3a4c TJB |
1341 | gdb_byte *limit; /* First location past end of fetch buffer. */ |
1342 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
1343 | ||
1344 | /* Decide how large of chunks to try to read in one operation. This | |
c906108c SS |
1345 | is also pretty simple. If LEN >= zero, then we want fetchlimit chars, |
1346 | so we might as well read them all in one operation. If LEN is -1, we | |
ae6a3a4c | 1347 | are looking for a NUL terminator to end the fetching, so we might as |
c906108c SS |
1348 | well read in blocks that are large enough to be efficient, but not so |
1349 | large as to be slow if fetchlimit happens to be large. So we choose the | |
1350 | minimum of 8 and fetchlimit. We used to use 200 instead of 8 but | |
1351 | 200 is way too big for remote debugging over a serial line. */ | |
1352 | ||
1353 | chunksize = (len == -1 ? min (8, fetchlimit) : fetchlimit); | |
1354 | ||
ae6a3a4c TJB |
1355 | /* Loop until we either have all the characters, or we encounter |
1356 | some error, such as bumping into the end of the address space. */ | |
c906108c SS |
1357 | |
1358 | found_nul = 0; | |
b5096abe PM |
1359 | *buffer = NULL; |
1360 | ||
1361 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
1362 | |
1363 | if (len > 0) | |
1364 | { | |
ae6a3a4c TJB |
1365 | *buffer = (gdb_byte *) xmalloc (len * width); |
1366 | bufptr = *buffer; | |
c906108c | 1367 | |
917317f4 | 1368 | nfetch = partial_memory_read (addr, bufptr, len * width, &errcode) |
c906108c SS |
1369 | / width; |
1370 | addr += nfetch * width; | |
1371 | bufptr += nfetch * width; | |
1372 | } | |
1373 | else if (len == -1) | |
1374 | { | |
1375 | unsigned long bufsize = 0; | |
ae6a3a4c | 1376 | |
c906108c SS |
1377 | do |
1378 | { | |
1379 | QUIT; | |
1380 | nfetch = min (chunksize, fetchlimit - bufsize); | |
1381 | ||
ae6a3a4c TJB |
1382 | if (*buffer == NULL) |
1383 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 1384 | else |
b5096abe PM |
1385 | *buffer = (gdb_byte *) xrealloc (*buffer, |
1386 | (nfetch + bufsize) * width); | |
c906108c | 1387 | |
ae6a3a4c | 1388 | bufptr = *buffer + bufsize * width; |
c906108c SS |
1389 | bufsize += nfetch; |
1390 | ||
ae6a3a4c | 1391 | /* Read as much as we can. */ |
917317f4 | 1392 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 1393 | / width; |
c906108c | 1394 | |
ae6a3a4c | 1395 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
1396 | to print. If found, we don't need to fetch any more. Note |
1397 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
1398 | after the null character, or at the next character after the end |
1399 | of the buffer. */ | |
c906108c SS |
1400 | |
1401 | limit = bufptr + nfetch * width; | |
1402 | while (bufptr < limit) | |
1403 | { | |
1404 | unsigned long c; | |
1405 | ||
e17a4113 | 1406 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
1407 | addr += width; |
1408 | bufptr += width; | |
1409 | if (c == 0) | |
1410 | { | |
1411 | /* We don't care about any error which happened after | |
ae6a3a4c | 1412 | the NUL terminator. */ |
c906108c SS |
1413 | errcode = 0; |
1414 | found_nul = 1; | |
1415 | break; | |
1416 | } | |
1417 | } | |
1418 | } | |
c5aa993b | 1419 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
1420 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
1421 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
1422 | } |
1423 | else | |
ae6a3a4c TJB |
1424 | { /* Length of string is really 0! */ |
1425 | /* We always allocate *buffer. */ | |
1426 | *buffer = bufptr = xmalloc (1); | |
c906108c SS |
1427 | errcode = 0; |
1428 | } | |
1429 | ||
1430 | /* bufptr and addr now point immediately beyond the last byte which we | |
1431 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
1432 | *bytes_read = bufptr - *buffer; |
1433 | ||
1434 | QUIT; | |
1435 | ||
1436 | discard_cleanups (old_chain); | |
1437 | ||
1438 | return errcode; | |
1439 | } | |
1440 | ||
1441 | /* Print a string from the inferior, starting at ADDR and printing up to LEN | |
1442 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
1443 | stops at the first null byte, otherwise printing proceeds (including null | |
1444 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
1445 | whichever is smaller. ENCODING is the name of the string's |
1446 | encoding. It can be NULL, in which case the target encoding is | |
1447 | assumed. */ | |
ae6a3a4c TJB |
1448 | |
1449 | int | |
09ca9e2e TT |
1450 | val_print_string (struct type *elttype, const char *encoding, |
1451 | CORE_ADDR addr, int len, | |
6c7a06a3 | 1452 | struct ui_file *stream, |
ae6a3a4c TJB |
1453 | const struct value_print_options *options) |
1454 | { | |
1455 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
1456 | int errcode; /* Errno returned from bad reads. */ | |
581e13c1 | 1457 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
1458 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
1459 | int bytes_read; | |
1460 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
1461 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 1462 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 1463 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 1464 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
1465 | |
1466 | /* First we need to figure out the limit on the number of characters we are | |
1467 | going to attempt to fetch and print. This is actually pretty simple. If | |
1468 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
1469 | LEN is -1, then the limit is print_max. This is true regardless of | |
1470 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
1471 | because finding the null byte (or available memory) is what actually | |
1472 | limits the fetch. */ | |
1473 | ||
3e43a32a MS |
1474 | fetchlimit = (len == -1 ? options->print_max : min (len, |
1475 | options->print_max)); | |
ae6a3a4c | 1476 | |
e17a4113 UW |
1477 | errcode = read_string (addr, len, width, fetchlimit, byte_order, |
1478 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
1479 | old_chain = make_cleanup (xfree, buffer); |
1480 | ||
1481 | addr += bytes_read; | |
c906108c | 1482 | |
3e43a32a MS |
1483 | /* We now have either successfully filled the buffer to fetchlimit, |
1484 | or terminated early due to an error or finding a null char when | |
1485 | LEN is -1. */ | |
ae6a3a4c TJB |
1486 | |
1487 | /* Determine found_nul by looking at the last character read. */ | |
e17a4113 UW |
1488 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, |
1489 | byte_order) == 0; | |
c906108c SS |
1490 | if (len == -1 && !found_nul) |
1491 | { | |
777ea8f1 | 1492 | gdb_byte *peekbuf; |
c906108c | 1493 | |
ae6a3a4c | 1494 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
1495 | to peek at the next character. If not successful, or it is not |
1496 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 1497 | |
777ea8f1 | 1498 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
1499 | |
1500 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 1501 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
1502 | force_ellipsis = 1; |
1503 | } | |
ae6a3a4c | 1504 | else if ((len >= 0 && errcode != 0) || (len > bytes_read / width)) |
c906108c SS |
1505 | { |
1506 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 1507 | than the number of characters actually requested, always make us |
ae6a3a4c | 1508 | print ellipsis. */ |
c906108c SS |
1509 | force_ellipsis = 1; |
1510 | } | |
1511 | ||
c906108c SS |
1512 | /* If we get an error before fetching anything, don't print a string. |
1513 | But if we fetch something and then get an error, print the string | |
1514 | and then the error message. */ | |
ae6a3a4c | 1515 | if (errcode == 0 || bytes_read > 0) |
c906108c | 1516 | { |
79a45b7d | 1517 | if (options->addressprint) |
c906108c SS |
1518 | { |
1519 | fputs_filtered (" ", stream); | |
1520 | } | |
be759fcf | 1521 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 1522 | encoding, force_ellipsis, options); |
c906108c SS |
1523 | } |
1524 | ||
1525 | if (errcode != 0) | |
1526 | { | |
1527 | if (errcode == EIO) | |
1528 | { | |
1529 | fprintf_filtered (stream, " <Address "); | |
5af949e3 | 1530 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1531 | fprintf_filtered (stream, " out of bounds>"); |
1532 | } | |
1533 | else | |
1534 | { | |
1535 | fprintf_filtered (stream, " <Error reading address "); | |
5af949e3 | 1536 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
1537 | fprintf_filtered (stream, ": %s>", safe_strerror (errcode)); |
1538 | } | |
1539 | } | |
ae6a3a4c | 1540 | |
c906108c SS |
1541 | gdb_flush (stream); |
1542 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
1543 | |
1544 | return (bytes_read / width); | |
c906108c | 1545 | } |
c906108c | 1546 | \f |
c5aa993b | 1547 | |
09e6485f PA |
1548 | /* The 'set input-radix' command writes to this auxiliary variable. |
1549 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
1550 | it is left unchanged. */ | |
1551 | ||
1552 | static unsigned input_radix_1 = 10; | |
1553 | ||
c906108c SS |
1554 | /* Validate an input or output radix setting, and make sure the user |
1555 | knows what they really did here. Radix setting is confusing, e.g. | |
1556 | setting the input radix to "10" never changes it! */ | |
1557 | ||
c906108c | 1558 | static void |
fba45db2 | 1559 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1560 | { |
09e6485f | 1561 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
1562 | } |
1563 | ||
c906108c | 1564 | static void |
fba45db2 | 1565 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1566 | { |
1567 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
1568 | make any mathematical sense. In theory, we can deal with any input | |
1569 | radix greater than 1, even if we don't have unique digits for every | |
1570 | value from 0 to radix-1, but in practice we lose on large radix values. | |
1571 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 1572 | (FIXME). */ |
c906108c SS |
1573 | |
1574 | if (radix < 2) | |
1575 | { | |
09e6485f | 1576 | input_radix_1 = input_radix; |
8a3fe4f8 | 1577 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
1578 | radix); |
1579 | } | |
09e6485f | 1580 | input_radix_1 = input_radix = radix; |
c906108c SS |
1581 | if (from_tty) |
1582 | { | |
3e43a32a MS |
1583 | printf_filtered (_("Input radix now set to " |
1584 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1585 | radix, radix, radix); |
1586 | } | |
1587 | } | |
1588 | ||
09e6485f PA |
1589 | /* The 'set output-radix' command writes to this auxiliary variable. |
1590 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
1591 | otherwise, it is left unchanged. */ | |
1592 | ||
1593 | static unsigned output_radix_1 = 10; | |
1594 | ||
c906108c | 1595 | static void |
fba45db2 | 1596 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 1597 | { |
09e6485f | 1598 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
1599 | } |
1600 | ||
1601 | static void | |
fba45db2 | 1602 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
1603 | { |
1604 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 1605 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
1606 | switch (radix) |
1607 | { | |
1608 | case 16: | |
79a45b7d | 1609 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
1610 | break; |
1611 | case 10: | |
79a45b7d | 1612 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
1613 | break; |
1614 | case 8: | |
79a45b7d | 1615 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
1616 | break; |
1617 | default: | |
09e6485f | 1618 | output_radix_1 = output_radix; |
3e43a32a MS |
1619 | error (_("Unsupported output radix ``decimal %u''; " |
1620 | "output radix unchanged."), | |
c906108c SS |
1621 | radix); |
1622 | } | |
09e6485f | 1623 | output_radix_1 = output_radix = radix; |
c906108c SS |
1624 | if (from_tty) |
1625 | { | |
3e43a32a MS |
1626 | printf_filtered (_("Output radix now set to " |
1627 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1628 | radix, radix, radix); |
1629 | } | |
1630 | } | |
1631 | ||
1632 | /* Set both the input and output radix at once. Try to set the output radix | |
1633 | first, since it has the most restrictive range. An radix that is valid as | |
1634 | an output radix is also valid as an input radix. | |
1635 | ||
1636 | It may be useful to have an unusual input radix. If the user wishes to | |
1637 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 1638 | the 'set input-radix' command. */ |
c906108c SS |
1639 | |
1640 | static void | |
fba45db2 | 1641 | set_radix (char *arg, int from_tty) |
c906108c SS |
1642 | { |
1643 | unsigned radix; | |
1644 | ||
bb518678 | 1645 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
1646 | set_output_radix_1 (0, radix); |
1647 | set_input_radix_1 (0, radix); | |
1648 | if (from_tty) | |
1649 | { | |
3e43a32a MS |
1650 | printf_filtered (_("Input and output radices now set to " |
1651 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1652 | radix, radix, radix); |
1653 | } | |
1654 | } | |
1655 | ||
581e13c1 | 1656 | /* Show both the input and output radices. */ |
c906108c | 1657 | |
c906108c | 1658 | static void |
fba45db2 | 1659 | show_radix (char *arg, int from_tty) |
c906108c SS |
1660 | { |
1661 | if (from_tty) | |
1662 | { | |
1663 | if (input_radix == output_radix) | |
1664 | { | |
3e43a32a MS |
1665 | printf_filtered (_("Input and output radices set to " |
1666 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
1667 | input_radix, input_radix, input_radix); |
1668 | } | |
1669 | else | |
1670 | { | |
3e43a32a MS |
1671 | printf_filtered (_("Input radix set to decimal " |
1672 | "%u, hex %x, octal %o.\n"), | |
c906108c | 1673 | input_radix, input_radix, input_radix); |
3e43a32a MS |
1674 | printf_filtered (_("Output radix set to decimal " |
1675 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
1676 | output_radix, output_radix, output_radix); |
1677 | } | |
1678 | } | |
1679 | } | |
c906108c | 1680 | \f |
c5aa993b | 1681 | |
c906108c | 1682 | static void |
fba45db2 | 1683 | set_print (char *arg, int from_tty) |
c906108c SS |
1684 | { |
1685 | printf_unfiltered ( | |
c5aa993b | 1686 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
c906108c SS |
1687 | help_list (setprintlist, "set print ", -1, gdb_stdout); |
1688 | } | |
1689 | ||
c906108c | 1690 | static void |
fba45db2 | 1691 | show_print (char *args, int from_tty) |
c906108c SS |
1692 | { |
1693 | cmd_show_list (showprintlist, from_tty, ""); | |
1694 | } | |
1695 | \f | |
1696 | void | |
fba45db2 | 1697 | _initialize_valprint (void) |
c906108c | 1698 | { |
c906108c | 1699 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 1700 | _("Generic command for setting how things print."), |
c906108c | 1701 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 1702 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 1703 | /* Prefer set print to set prompt. */ |
c906108c SS |
1704 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
1705 | ||
1706 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 1707 | _("Generic command for showing print settings."), |
c906108c | 1708 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
1709 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
1710 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 1711 | |
79a45b7d TT |
1712 | add_setshow_uinteger_cmd ("elements", no_class, |
1713 | &user_print_options.print_max, _("\ | |
35096d9d AC |
1714 | Set limit on string chars or array elements to print."), _("\ |
1715 | Show limit on string chars or array elements to print."), _("\ | |
1716 | \"set print elements 0\" causes there to be no limit."), | |
1717 | NULL, | |
920d2a44 | 1718 | show_print_max, |
35096d9d | 1719 | &setprintlist, &showprintlist); |
c906108c | 1720 | |
79a45b7d TT |
1721 | add_setshow_boolean_cmd ("null-stop", no_class, |
1722 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
1723 | Set printing of char arrays to stop at first null char."), _("\ |
1724 | Show printing of char arrays to stop at first null char."), NULL, | |
1725 | NULL, | |
920d2a44 | 1726 | show_stop_print_at_null, |
5bf193a2 | 1727 | &setprintlist, &showprintlist); |
c906108c | 1728 | |
35096d9d | 1729 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 1730 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
1731 | Set threshold for repeated print elements."), _("\ |
1732 | Show threshold for repeated print elements."), _("\ | |
1733 | \"set print repeats 0\" causes all elements to be individually printed."), | |
1734 | NULL, | |
920d2a44 | 1735 | show_repeat_count_threshold, |
35096d9d | 1736 | &setprintlist, &showprintlist); |
c906108c | 1737 | |
79a45b7d TT |
1738 | add_setshow_boolean_cmd ("pretty", class_support, |
1739 | &user_print_options.prettyprint_structs, _("\ | |
5bf193a2 AC |
1740 | Set prettyprinting of structures."), _("\ |
1741 | Show prettyprinting of structures."), NULL, | |
1742 | NULL, | |
920d2a44 | 1743 | show_prettyprint_structs, |
5bf193a2 AC |
1744 | &setprintlist, &showprintlist); |
1745 | ||
79a45b7d TT |
1746 | add_setshow_boolean_cmd ("union", class_support, |
1747 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
1748 | Set printing of unions interior to structures."), _("\ |
1749 | Show printing of unions interior to structures."), NULL, | |
1750 | NULL, | |
920d2a44 | 1751 | show_unionprint, |
5bf193a2 AC |
1752 | &setprintlist, &showprintlist); |
1753 | ||
79a45b7d TT |
1754 | add_setshow_boolean_cmd ("array", class_support, |
1755 | &user_print_options.prettyprint_arrays, _("\ | |
5bf193a2 AC |
1756 | Set prettyprinting of arrays."), _("\ |
1757 | Show prettyprinting of arrays."), NULL, | |
1758 | NULL, | |
920d2a44 | 1759 | show_prettyprint_arrays, |
5bf193a2 AC |
1760 | &setprintlist, &showprintlist); |
1761 | ||
79a45b7d TT |
1762 | add_setshow_boolean_cmd ("address", class_support, |
1763 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
1764 | Set printing of addresses."), _("\ |
1765 | Show printing of addresses."), NULL, | |
1766 | NULL, | |
920d2a44 | 1767 | show_addressprint, |
5bf193a2 | 1768 | &setprintlist, &showprintlist); |
c906108c | 1769 | |
1e8fb976 PA |
1770 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
1771 | _("\ | |
35096d9d AC |
1772 | Set default input radix for entering numbers."), _("\ |
1773 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
1774 | set_input_radix, |
1775 | show_input_radix, | |
1776 | &setlist, &showlist); | |
35096d9d | 1777 | |
1e8fb976 PA |
1778 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
1779 | _("\ | |
35096d9d AC |
1780 | Set default output radix for printing of values."), _("\ |
1781 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
1782 | set_output_radix, |
1783 | show_output_radix, | |
1784 | &setlist, &showlist); | |
c906108c | 1785 | |
cb1a6d5f AC |
1786 | /* The "set radix" and "show radix" commands are special in that |
1787 | they are like normal set and show commands but allow two normally | |
1788 | independent variables to be either set or shown with a single | |
b66df561 | 1789 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 1790 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
1791 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
1792 | longer true - show can display anything. */ | |
1a966eab AC |
1793 | add_cmd ("radix", class_support, set_radix, _("\ |
1794 | Set default input and output number radices.\n\ | |
c906108c | 1795 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 1796 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 1797 | &setlist); |
1a966eab AC |
1798 | add_cmd ("radix", class_support, show_radix, _("\ |
1799 | Show the default input and output number radices.\n\ | |
1800 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
1801 | &showlist); |
1802 | ||
e79af960 | 1803 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 1804 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
1805 | Set printing of array indexes."), _("\ |
1806 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
1807 | &setprintlist, &showprintlist); | |
c906108c | 1808 | } |