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" |
3b2b8fea TT |
39 | #include "gdb_obstack.h" |
40 | #include "charset.h" | |
41 | #include <ctype.h> | |
c906108c SS |
42 | |
43 | #include <errno.h> | |
44 | ||
45 | /* Prototypes for local functions */ | |
46 | ||
777ea8f1 | 47 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
917317f4 JM |
48 | int len, int *errnoptr); |
49 | ||
a14ed312 | 50 | static void show_print (char *, int); |
c906108c | 51 | |
a14ed312 | 52 | static void set_print (char *, int); |
c906108c | 53 | |
a14ed312 | 54 | static void set_radix (char *, int); |
c906108c | 55 | |
a14ed312 | 56 | static void show_radix (char *, int); |
c906108c | 57 | |
a14ed312 | 58 | static void set_input_radix (char *, int, struct cmd_list_element *); |
c906108c | 59 | |
a14ed312 | 60 | static void set_input_radix_1 (int, unsigned); |
c906108c | 61 | |
a14ed312 | 62 | static void set_output_radix (char *, int, struct cmd_list_element *); |
c906108c | 63 | |
a14ed312 | 64 | static void set_output_radix_1 (int, unsigned); |
c906108c | 65 | |
a14ed312 | 66 | void _initialize_valprint (void); |
c906108c | 67 | |
581e13c1 | 68 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
79a45b7d TT |
69 | |
70 | struct value_print_options user_print_options = | |
71 | { | |
72 | Val_pretty_default, /* pretty */ | |
73 | 0, /* prettyprint_arrays */ | |
74 | 0, /* prettyprint_structs */ | |
75 | 0, /* vtblprint */ | |
76 | 1, /* unionprint */ | |
77 | 1, /* addressprint */ | |
78 | 0, /* objectprint */ | |
79 | PRINT_MAX_DEFAULT, /* print_max */ | |
80 | 10, /* repeat_count_threshold */ | |
81 | 0, /* output_format */ | |
82 | 0, /* format */ | |
83 | 0, /* stop_print_at_null */ | |
84 | 0, /* inspect_it */ | |
85 | 0, /* print_array_indexes */ | |
86 | 0, /* deref_ref */ | |
87 | 1, /* static_field_print */ | |
a6bac58e TT |
88 | 1, /* pascal_static_field_print */ |
89 | 0, /* raw */ | |
90 | 0 /* summary */ | |
79a45b7d TT |
91 | }; |
92 | ||
93 | /* Initialize *OPTS to be a copy of the user print options. */ | |
94 | void | |
95 | get_user_print_options (struct value_print_options *opts) | |
96 | { | |
97 | *opts = user_print_options; | |
98 | } | |
99 | ||
100 | /* Initialize *OPTS to be a copy of the user print options, but with | |
101 | pretty-printing disabled. */ | |
102 | void | |
103 | get_raw_print_options (struct value_print_options *opts) | |
104 | { | |
105 | *opts = user_print_options; | |
106 | opts->pretty = Val_no_prettyprint; | |
107 | } | |
108 | ||
109 | /* Initialize *OPTS to be a copy of the user print options, but using | |
110 | FORMAT as the formatting option. */ | |
111 | void | |
112 | get_formatted_print_options (struct value_print_options *opts, | |
113 | char format) | |
114 | { | |
115 | *opts = user_print_options; | |
116 | opts->format = format; | |
117 | } | |
118 | ||
920d2a44 AC |
119 | static void |
120 | show_print_max (struct ui_file *file, int from_tty, | |
121 | struct cmd_list_element *c, const char *value) | |
122 | { | |
3e43a32a MS |
123 | fprintf_filtered (file, |
124 | _("Limit on string chars or array " | |
125 | "elements to print is %s.\n"), | |
920d2a44 AC |
126 | value); |
127 | } | |
128 | ||
c906108c SS |
129 | |
130 | /* Default input and output radixes, and output format letter. */ | |
131 | ||
132 | unsigned input_radix = 10; | |
920d2a44 AC |
133 | static void |
134 | show_input_radix (struct ui_file *file, int from_tty, | |
135 | struct cmd_list_element *c, const char *value) | |
136 | { | |
3e43a32a MS |
137 | fprintf_filtered (file, |
138 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
139 | value); |
140 | } | |
141 | ||
c906108c | 142 | unsigned output_radix = 10; |
920d2a44 AC |
143 | static void |
144 | show_output_radix (struct ui_file *file, int from_tty, | |
145 | struct cmd_list_element *c, const char *value) | |
146 | { | |
3e43a32a MS |
147 | fprintf_filtered (file, |
148 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
149 | value); |
150 | } | |
c906108c | 151 | |
e79af960 JB |
152 | /* By default we print arrays without printing the index of each element in |
153 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
154 | ||
e79af960 JB |
155 | static void |
156 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
157 | struct cmd_list_element *c, const char *value) | |
158 | { | |
159 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
160 | } | |
161 | ||
c906108c SS |
162 | /* Print repeat counts if there are more than this many repetitions of an |
163 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 164 | print routines. */ |
c906108c | 165 | |
920d2a44 AC |
166 | static void |
167 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
168 | struct cmd_list_element *c, const char *value) | |
169 | { | |
170 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
171 | value); | |
172 | } | |
c906108c | 173 | |
581e13c1 | 174 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 175 | |
920d2a44 AC |
176 | static void |
177 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
178 | struct cmd_list_element *c, const char *value) | |
179 | { | |
3e43a32a MS |
180 | fprintf_filtered (file, |
181 | _("Printing of char arrays to stop " | |
182 | "at first null char is %s.\n"), | |
920d2a44 AC |
183 | value); |
184 | } | |
c906108c | 185 | |
581e13c1 | 186 | /* Controls pretty printing of structures. */ |
c906108c | 187 | |
920d2a44 AC |
188 | static void |
189 | show_prettyprint_structs (struct ui_file *file, int from_tty, | |
190 | struct cmd_list_element *c, const char *value) | |
191 | { | |
192 | fprintf_filtered (file, _("Prettyprinting of structures is %s.\n"), value); | |
193 | } | |
c906108c SS |
194 | |
195 | /* Controls pretty printing of arrays. */ | |
196 | ||
920d2a44 AC |
197 | static void |
198 | show_prettyprint_arrays (struct ui_file *file, int from_tty, | |
199 | struct cmd_list_element *c, const char *value) | |
200 | { | |
201 | fprintf_filtered (file, _("Prettyprinting of arrays is %s.\n"), value); | |
202 | } | |
c906108c SS |
203 | |
204 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 205 | printed. */ |
c906108c | 206 | |
920d2a44 AC |
207 | static void |
208 | show_unionprint (struct ui_file *file, int from_tty, | |
209 | struct cmd_list_element *c, const char *value) | |
210 | { | |
3e43a32a MS |
211 | fprintf_filtered (file, |
212 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
213 | value); |
214 | } | |
c906108c | 215 | |
581e13c1 | 216 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 217 | |
920d2a44 AC |
218 | static void |
219 | show_addressprint (struct ui_file *file, int from_tty, | |
220 | struct cmd_list_element *c, const char *value) | |
221 | { | |
222 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
223 | } | |
c906108c | 224 | \f |
c5aa993b | 225 | |
a6bac58e TT |
226 | /* A helper function for val_print. When printing in "summary" mode, |
227 | we want to print scalar arguments, but not aggregate arguments. | |
228 | This function distinguishes between the two. */ | |
229 | ||
230 | static int | |
231 | scalar_type_p (struct type *type) | |
232 | { | |
233 | CHECK_TYPEDEF (type); | |
234 | while (TYPE_CODE (type) == TYPE_CODE_REF) | |
235 | { | |
236 | type = TYPE_TARGET_TYPE (type); | |
237 | CHECK_TYPEDEF (type); | |
238 | } | |
239 | switch (TYPE_CODE (type)) | |
240 | { | |
241 | case TYPE_CODE_ARRAY: | |
242 | case TYPE_CODE_STRUCT: | |
243 | case TYPE_CODE_UNION: | |
244 | case TYPE_CODE_SET: | |
245 | case TYPE_CODE_STRING: | |
246 | case TYPE_CODE_BITSTRING: | |
247 | return 0; | |
248 | default: | |
249 | return 1; | |
250 | } | |
251 | } | |
252 | ||
0e03807e TT |
253 | /* Helper function to check the validity of some bits of a value. |
254 | ||
255 | If TYPE represents some aggregate type (e.g., a structure), return 1. | |
256 | ||
257 | Otherwise, any of the bytes starting at OFFSET and extending for | |
258 | TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and | |
259 | return 0. The checking is done using FUNCS. | |
260 | ||
261 | Otherwise, return 1. */ | |
262 | ||
263 | static int | |
264 | valprint_check_validity (struct ui_file *stream, | |
265 | struct type *type, | |
4e07d55f | 266 | int embedded_offset, |
0e03807e TT |
267 | const struct value *val) |
268 | { | |
269 | CHECK_TYPEDEF (type); | |
270 | ||
271 | if (TYPE_CODE (type) != TYPE_CODE_UNION | |
272 | && TYPE_CODE (type) != TYPE_CODE_STRUCT | |
273 | && TYPE_CODE (type) != TYPE_CODE_ARRAY) | |
274 | { | |
4e07d55f PA |
275 | if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset, |
276 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 277 | { |
585fdaa1 | 278 | val_print_optimized_out (stream); |
0e03807e TT |
279 | return 0; |
280 | } | |
8cf6f0b1 | 281 | |
4e07d55f | 282 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
283 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
284 | { | |
285 | fputs_filtered (_("<synthetic pointer>"), stream); | |
286 | return 0; | |
287 | } | |
4e07d55f PA |
288 | |
289 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
290 | { | |
291 | val_print_unavailable (stream); | |
292 | return 0; | |
293 | } | |
0e03807e TT |
294 | } |
295 | ||
296 | return 1; | |
297 | } | |
298 | ||
585fdaa1 PA |
299 | void |
300 | val_print_optimized_out (struct ui_file *stream) | |
301 | { | |
302 | fprintf_filtered (stream, _("<optimized out>")); | |
303 | } | |
304 | ||
4e07d55f PA |
305 | void |
306 | val_print_unavailable (struct ui_file *stream) | |
307 | { | |
308 | fprintf_filtered (stream, _("<unavailable>")); | |
309 | } | |
310 | ||
8af8e3bc PA |
311 | void |
312 | val_print_invalid_address (struct ui_file *stream) | |
313 | { | |
314 | fprintf_filtered (stream, _("<invalid address>")); | |
315 | } | |
316 | ||
32b72a42 PA |
317 | /* Print using the given LANGUAGE the data of type TYPE located at |
318 | VALADDR + EMBEDDED_OFFSET (within GDB), which came from the | |
319 | inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream | |
320 | STREAM according to OPTIONS. VAL is the whole object that came | |
321 | from ADDRESS. VALADDR must point to the head of VAL's contents | |
322 | buffer. | |
323 | ||
324 | The language printers will pass down an adjusted EMBEDDED_OFFSET to | |
325 | further helper subroutines as subfields of TYPE are printed. In | |
326 | such cases, VALADDR is passed down unadjusted, as well as VAL, so | |
327 | that VAL can be queried for metadata about the contents data being | |
328 | printed, using EMBEDDED_OFFSET as an offset into VAL's contents | |
329 | buffer. For example: "has this field been optimized out", or "I'm | |
330 | printing an object while inspecting a traceframe; has this | |
331 | particular piece of data been collected?". | |
332 | ||
333 | RECURSE indicates the amount of indentation to supply before | |
334 | continuation lines; this amount is roughly twice the value of | |
335 | RECURSE. | |
336 | ||
337 | If the data is printed as a string, returns the number of string | |
338 | characters printed. */ | |
c906108c SS |
339 | |
340 | int | |
fc1a4b47 | 341 | val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 342 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 343 | const struct value *val, |
79a45b7d | 344 | const struct value_print_options *options, |
d8ca156b | 345 | const struct language_defn *language) |
c906108c | 346 | { |
19ca80ba DJ |
347 | volatile struct gdb_exception except; |
348 | int ret = 0; | |
79a45b7d | 349 | struct value_print_options local_opts = *options; |
c906108c | 350 | struct type *real_type = check_typedef (type); |
79a45b7d TT |
351 | |
352 | if (local_opts.pretty == Val_pretty_default) | |
353 | local_opts.pretty = (local_opts.prettyprint_structs | |
354 | ? Val_prettyprint : Val_no_prettyprint); | |
c5aa993b | 355 | |
c906108c SS |
356 | QUIT; |
357 | ||
358 | /* Ensure that the type is complete and not just a stub. If the type is | |
359 | only a stub and we can't find and substitute its complete type, then | |
360 | print appropriate string and return. */ | |
361 | ||
74a9bb82 | 362 | if (TYPE_STUB (real_type)) |
c906108c | 363 | { |
0e03807e | 364 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c SS |
365 | gdb_flush (stream); |
366 | return (0); | |
367 | } | |
c5aa993b | 368 | |
0e03807e TT |
369 | if (!valprint_check_validity (stream, real_type, embedded_offset, val)) |
370 | return 0; | |
371 | ||
a6bac58e TT |
372 | if (!options->raw) |
373 | { | |
374 | ret = apply_val_pretty_printer (type, valaddr, embedded_offset, | |
0e03807e TT |
375 | address, stream, recurse, |
376 | val, options, language); | |
a6bac58e TT |
377 | if (ret) |
378 | return ret; | |
379 | } | |
380 | ||
381 | /* Handle summary mode. If the value is a scalar, print it; | |
382 | otherwise, print an ellipsis. */ | |
383 | if (options->summary && !scalar_type_p (type)) | |
384 | { | |
385 | fprintf_filtered (stream, "..."); | |
386 | return 0; | |
387 | } | |
388 | ||
19ca80ba DJ |
389 | TRY_CATCH (except, RETURN_MASK_ERROR) |
390 | { | |
d8ca156b | 391 | ret = language->la_val_print (type, valaddr, embedded_offset, address, |
0e03807e TT |
392 | stream, recurse, val, |
393 | &local_opts); | |
19ca80ba DJ |
394 | } |
395 | if (except.reason < 0) | |
396 | fprintf_filtered (stream, _("<error reading variable>")); | |
397 | ||
398 | return ret; | |
c906108c SS |
399 | } |
400 | ||
806048c6 | 401 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
402 | return 0 and print an appropriate error message to STREAM according to |
403 | OPTIONS if it is not. */ | |
c906108c | 404 | |
806048c6 | 405 | static int |
6501578c YQ |
406 | value_check_printable (struct value *val, struct ui_file *stream, |
407 | const struct value_print_options *options) | |
c906108c SS |
408 | { |
409 | if (val == 0) | |
410 | { | |
806048c6 | 411 | fprintf_filtered (stream, _("<address of value unknown>")); |
c906108c SS |
412 | return 0; |
413 | } | |
806048c6 | 414 | |
0e03807e | 415 | if (value_entirely_optimized_out (val)) |
c906108c | 416 | { |
6501578c YQ |
417 | if (options->summary && !scalar_type_p (value_type (val))) |
418 | fprintf_filtered (stream, "..."); | |
419 | else | |
420 | val_print_optimized_out (stream); | |
c906108c SS |
421 | return 0; |
422 | } | |
806048c6 | 423 | |
bc3b79fd TJB |
424 | if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION) |
425 | { | |
426 | fprintf_filtered (stream, _("<internal function %s>"), | |
427 | value_internal_function_name (val)); | |
428 | return 0; | |
429 | } | |
430 | ||
806048c6 DJ |
431 | return 1; |
432 | } | |
433 | ||
d8ca156b | 434 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 435 | to OPTIONS. |
806048c6 DJ |
436 | |
437 | If the data are a string pointer, returns the number of string characters | |
438 | printed. | |
439 | ||
440 | This is a preferable interface to val_print, above, because it uses | |
441 | GDB's value mechanism. */ | |
442 | ||
443 | int | |
79a45b7d TT |
444 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
445 | const struct value_print_options *options, | |
d8ca156b | 446 | const struct language_defn *language) |
806048c6 | 447 | { |
6501578c | 448 | if (!value_check_printable (val, stream, options)) |
806048c6 DJ |
449 | return 0; |
450 | ||
0c3acc09 JB |
451 | if (language->la_language == language_ada) |
452 | /* The value might have a dynamic type, which would cause trouble | |
453 | below when trying to extract the value contents (since the value | |
454 | size is determined from the type size which is unknown). So | |
455 | get a fixed representation of our value. */ | |
456 | val = ada_to_fixed_value (val); | |
457 | ||
0e03807e | 458 | return val_print (value_type (val), value_contents_for_printing (val), |
42ae5230 | 459 | value_embedded_offset (val), value_address (val), |
0e03807e TT |
460 | stream, recurse, |
461 | val, options, language); | |
806048c6 DJ |
462 | } |
463 | ||
7348c5e1 JB |
464 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
465 | is printed using the current_language syntax. | |
466 | ||
467 | If the object printed is a string pointer, return the number of string | |
468 | bytes printed. */ | |
806048c6 DJ |
469 | |
470 | int | |
79a45b7d TT |
471 | value_print (struct value *val, struct ui_file *stream, |
472 | const struct value_print_options *options) | |
806048c6 | 473 | { |
6501578c | 474 | if (!value_check_printable (val, stream, options)) |
806048c6 DJ |
475 | return 0; |
476 | ||
a6bac58e TT |
477 | if (!options->raw) |
478 | { | |
479 | int r = apply_val_pretty_printer (value_type (val), | |
0e03807e | 480 | value_contents_for_printing (val), |
a6bac58e TT |
481 | value_embedded_offset (val), |
482 | value_address (val), | |
0e03807e TT |
483 | stream, 0, |
484 | val, options, current_language); | |
a109c7c1 | 485 | |
a6bac58e TT |
486 | if (r) |
487 | return r; | |
488 | } | |
489 | ||
79a45b7d | 490 | return LA_VALUE_PRINT (val, stream, options); |
c906108c SS |
491 | } |
492 | ||
493 | /* Called by various <lang>_val_print routines to print | |
494 | TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the | |
495 | value. STREAM is where to print the value. */ | |
496 | ||
497 | void | |
fc1a4b47 | 498 | val_print_type_code_int (struct type *type, const gdb_byte *valaddr, |
fba45db2 | 499 | struct ui_file *stream) |
c906108c | 500 | { |
50810684 | 501 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
d44e8473 | 502 | |
c906108c SS |
503 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
504 | { | |
505 | LONGEST val; | |
506 | ||
507 | if (TYPE_UNSIGNED (type) | |
508 | && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type), | |
e17a4113 | 509 | byte_order, &val)) |
c906108c SS |
510 | { |
511 | print_longest (stream, 'u', 0, val); | |
512 | } | |
513 | else | |
514 | { | |
515 | /* Signed, or we couldn't turn an unsigned value into a | |
516 | LONGEST. For signed values, one could assume two's | |
517 | complement (a reasonable assumption, I think) and do | |
518 | better than this. */ | |
519 | print_hex_chars (stream, (unsigned char *) valaddr, | |
d44e8473 | 520 | TYPE_LENGTH (type), byte_order); |
c906108c SS |
521 | } |
522 | } | |
523 | else | |
524 | { | |
c906108c SS |
525 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, |
526 | unpack_long (type, valaddr)); | |
c906108c SS |
527 | } |
528 | } | |
529 | ||
4f2aea11 MK |
530 | void |
531 | val_print_type_code_flags (struct type *type, const gdb_byte *valaddr, | |
532 | struct ui_file *stream) | |
533 | { | |
befae759 | 534 | ULONGEST val = unpack_long (type, valaddr); |
4f2aea11 MK |
535 | int bitpos, nfields = TYPE_NFIELDS (type); |
536 | ||
537 | fputs_filtered ("[ ", stream); | |
538 | for (bitpos = 0; bitpos < nfields; bitpos++) | |
539 | { | |
316703b9 MK |
540 | if (TYPE_FIELD_BITPOS (type, bitpos) != -1 |
541 | && (val & ((ULONGEST)1 << bitpos))) | |
4f2aea11 MK |
542 | { |
543 | if (TYPE_FIELD_NAME (type, bitpos)) | |
544 | fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos)); | |
545 | else | |
546 | fprintf_filtered (stream, "#%d ", bitpos); | |
547 | } | |
548 | } | |
549 | fputs_filtered ("]", stream); | |
ab2188aa PA |
550 | |
551 | /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR, | |
552 | according to OPTIONS and SIZE on STREAM. Format i is not supported | |
553 | at this level. | |
554 | ||
555 | This is how the elements of an array or structure are printed | |
556 | with a format. */ | |
557 | } | |
558 | ||
559 | void | |
560 | val_print_scalar_formatted (struct type *type, | |
561 | const gdb_byte *valaddr, int embedded_offset, | |
562 | const struct value *val, | |
563 | const struct value_print_options *options, | |
564 | int size, | |
565 | struct ui_file *stream) | |
566 | { | |
567 | gdb_assert (val != NULL); | |
568 | gdb_assert (valaddr == value_contents_for_printing_const (val)); | |
569 | ||
570 | /* If we get here with a string format, try again without it. Go | |
571 | all the way back to the language printers, which may call us | |
572 | again. */ | |
573 | if (options->format == 's') | |
574 | { | |
575 | struct value_print_options opts = *options; | |
576 | opts.format = 0; | |
577 | opts.deref_ref = 0; | |
578 | val_print (type, valaddr, embedded_offset, 0, stream, 0, val, &opts, | |
579 | current_language); | |
580 | return; | |
581 | } | |
582 | ||
583 | /* A scalar object that does not have all bits available can't be | |
584 | printed, because all bits contribute to its representation. */ | |
585 | if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset, | |
586 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
587 | val_print_optimized_out (stream); | |
4e07d55f PA |
588 | else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) |
589 | val_print_unavailable (stream); | |
ab2188aa PA |
590 | else |
591 | print_scalar_formatted (valaddr + embedded_offset, type, | |
592 | options, size, stream); | |
4f2aea11 MK |
593 | } |
594 | ||
c906108c SS |
595 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
596 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 597 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 598 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 599 | format. |
bb599908 PH |
600 | |
601 | USE_C_FORMAT means to use C format in all cases. Without it, | |
602 | 'o' and 'x' format do not include the standard C radix prefix | |
603 | (leading 0 or 0x). | |
604 | ||
605 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
606 | and was intended to request formating according to the current | |
607 | language and would be used for most integers that GDB prints. The | |
608 | exceptional cases were things like protocols where the format of | |
609 | the integer is a protocol thing, not a user-visible thing). The | |
610 | parameter remains to preserve the information of what things might | |
611 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 612 | that capability. */ |
c906108c SS |
613 | |
614 | void | |
bb599908 | 615 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 616 | LONGEST val_long) |
c906108c | 617 | { |
2bfb72ee AC |
618 | const char *val; |
619 | ||
c906108c SS |
620 | switch (format) |
621 | { | |
622 | case 'd': | |
bb599908 | 623 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 624 | case 'u': |
bb599908 | 625 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 626 | case 'x': |
bb599908 | 627 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 628 | case 'b': |
bb599908 | 629 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 630 | case 'h': |
bb599908 | 631 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 632 | case 'w': |
bb599908 | 633 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 634 | case 'g': |
bb599908 | 635 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
636 | break; |
637 | case 'o': | |
bb599908 | 638 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 639 | default: |
3e43a32a MS |
640 | internal_error (__FILE__, __LINE__, |
641 | _("failed internal consistency check")); | |
bb599908 | 642 | } |
2bfb72ee | 643 | fputs_filtered (val, stream); |
c906108c SS |
644 | } |
645 | ||
c906108c SS |
646 | /* This used to be a macro, but I don't think it is called often enough |
647 | to merit such treatment. */ | |
648 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
649 | arguments to a function, number in a value history, register number, etc.) | |
650 | where the value must not be larger than can fit in an int. */ | |
651 | ||
652 | int | |
fba45db2 | 653 | longest_to_int (LONGEST arg) |
c906108c | 654 | { |
581e13c1 | 655 | /* Let the compiler do the work. */ |
c906108c SS |
656 | int rtnval = (int) arg; |
657 | ||
581e13c1 | 658 | /* Check for overflows or underflows. */ |
c906108c SS |
659 | if (sizeof (LONGEST) > sizeof (int)) |
660 | { | |
661 | if (rtnval != arg) | |
662 | { | |
8a3fe4f8 | 663 | error (_("Value out of range.")); |
c906108c SS |
664 | } |
665 | } | |
666 | return (rtnval); | |
667 | } | |
668 | ||
a73c86fb AC |
669 | /* Print a floating point value of type TYPE (not always a |
670 | TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
671 | |
672 | void | |
fc1a4b47 | 673 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 674 | struct ui_file *stream) |
c906108c SS |
675 | { |
676 | DOUBLEST doub; | |
677 | int inv; | |
a73c86fb | 678 | const struct floatformat *fmt = NULL; |
c906108c | 679 | unsigned len = TYPE_LENGTH (type); |
20389057 | 680 | enum float_kind kind; |
c5aa993b | 681 | |
a73c86fb AC |
682 | /* If it is a floating-point, check for obvious problems. */ |
683 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
684 | fmt = floatformat_from_type (type); | |
20389057 | 685 | if (fmt != NULL) |
39424bef | 686 | { |
20389057 DJ |
687 | kind = floatformat_classify (fmt, valaddr); |
688 | if (kind == float_nan) | |
689 | { | |
690 | if (floatformat_is_negative (fmt, valaddr)) | |
691 | fprintf_filtered (stream, "-"); | |
692 | fprintf_filtered (stream, "nan("); | |
693 | fputs_filtered ("0x", stream); | |
694 | fputs_filtered (floatformat_mantissa (fmt, valaddr), stream); | |
695 | fprintf_filtered (stream, ")"); | |
696 | return; | |
697 | } | |
698 | else if (kind == float_infinite) | |
699 | { | |
700 | if (floatformat_is_negative (fmt, valaddr)) | |
701 | fputs_filtered ("-", stream); | |
702 | fputs_filtered ("inf", stream); | |
703 | return; | |
704 | } | |
7355ddba | 705 | } |
c906108c | 706 | |
a73c86fb AC |
707 | /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating() |
708 | isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double | |
709 | needs to be used as that takes care of any necessary type | |
710 | conversions. Such conversions are of course direct to DOUBLEST | |
711 | and disregard any possible target floating point limitations. | |
712 | For instance, a u64 would be converted and displayed exactly on a | |
713 | host with 80 bit DOUBLEST but with loss of information on a host | |
714 | with 64 bit DOUBLEST. */ | |
c2f05ac9 | 715 | |
c906108c SS |
716 | doub = unpack_double (type, valaddr, &inv); |
717 | if (inv) | |
718 | { | |
719 | fprintf_filtered (stream, "<invalid float value>"); | |
720 | return; | |
721 | } | |
722 | ||
39424bef MK |
723 | /* FIXME: kettenis/2001-01-20: The following code makes too much |
724 | assumptions about the host and target floating point format. */ | |
725 | ||
a73c86fb | 726 | /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may |
c41b8590 | 727 | not necessarily be a TYPE_CODE_FLT, the below ignores that and |
a73c86fb AC |
728 | instead uses the type's length to determine the precision of the |
729 | floating-point value being printed. */ | |
c2f05ac9 | 730 | |
c906108c | 731 | if (len < sizeof (double)) |
c5aa993b | 732 | fprintf_filtered (stream, "%.9g", (double) doub); |
c906108c | 733 | else if (len == sizeof (double)) |
c5aa993b | 734 | fprintf_filtered (stream, "%.17g", (double) doub); |
c906108c SS |
735 | else |
736 | #ifdef PRINTF_HAS_LONG_DOUBLE | |
737 | fprintf_filtered (stream, "%.35Lg", doub); | |
738 | #else | |
39424bef MK |
739 | /* This at least wins with values that are representable as |
740 | doubles. */ | |
c906108c SS |
741 | fprintf_filtered (stream, "%.17g", (double) doub); |
742 | #endif | |
743 | } | |
744 | ||
7678ef8f TJB |
745 | void |
746 | print_decimal_floating (const gdb_byte *valaddr, struct type *type, | |
747 | struct ui_file *stream) | |
748 | { | |
e17a4113 | 749 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); |
7678ef8f TJB |
750 | char decstr[MAX_DECIMAL_STRING]; |
751 | unsigned len = TYPE_LENGTH (type); | |
752 | ||
e17a4113 | 753 | decimal_to_string (valaddr, len, byte_order, decstr); |
7678ef8f TJB |
754 | fputs_filtered (decstr, stream); |
755 | return; | |
756 | } | |
757 | ||
c5aa993b | 758 | void |
fc1a4b47 | 759 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 760 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
761 | { |
762 | ||
763 | #define BITS_IN_BYTES 8 | |
764 | ||
fc1a4b47 | 765 | const gdb_byte *p; |
745b8ca0 | 766 | unsigned int i; |
c5aa993b | 767 | int b; |
c906108c SS |
768 | |
769 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
770 | This ensures that right shift will shift in zeros. */ |
771 | ||
c5aa993b | 772 | const int mask = 0x080; |
c906108c SS |
773 | |
774 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
775 | ||
d44e8473 | 776 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
777 | { |
778 | for (p = valaddr; | |
779 | p < valaddr + len; | |
780 | p++) | |
781 | { | |
c5aa993b | 782 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
783 | and print from the MSB end. */ |
784 | ||
c5aa993b JM |
785 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
786 | { | |
787 | if (*p & (mask >> i)) | |
788 | b = 1; | |
789 | else | |
790 | b = 0; | |
791 | ||
792 | fprintf_filtered (stream, "%1d", b); | |
793 | } | |
c906108c SS |
794 | } |
795 | } | |
796 | else | |
797 | { | |
798 | for (p = valaddr + len - 1; | |
799 | p >= valaddr; | |
800 | p--) | |
801 | { | |
c5aa993b JM |
802 | for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++) |
803 | { | |
804 | if (*p & (mask >> i)) | |
805 | b = 1; | |
806 | else | |
807 | b = 0; | |
808 | ||
809 | fprintf_filtered (stream, "%1d", b); | |
810 | } | |
c906108c SS |
811 | } |
812 | } | |
c906108c SS |
813 | } |
814 | ||
815 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
816 | Print it in octal on stream or format it in buf. */ |
817 | ||
c906108c | 818 | void |
fc1a4b47 | 819 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 820 | unsigned len, enum bfd_endian byte_order) |
c906108c | 821 | { |
fc1a4b47 | 822 | const gdb_byte *p; |
c906108c | 823 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
824 | int cycle; |
825 | ||
c906108c SS |
826 | /* FIXME: We should be not printing leading zeroes in most cases. */ |
827 | ||
828 | ||
829 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track | |
830 | * the extra bits, which cycle every three bytes: | |
831 | * | |
832 | * Byte side: 0 1 2 3 | |
833 | * | | | | | |
834 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
835 | * | |
836 | * Octal side: 0 1 carry 3 4 carry ... | |
837 | * | |
838 | * Cycle number: 0 1 2 | |
839 | * | |
840 | * But of course we are printing from the high side, so we have to | |
841 | * figure out where in the cycle we are so that we end up with no | |
842 | * left over bits at the end. | |
843 | */ | |
844 | #define BITS_IN_OCTAL 3 | |
845 | #define HIGH_ZERO 0340 | |
846 | #define LOW_ZERO 0016 | |
847 | #define CARRY_ZERO 0003 | |
848 | #define HIGH_ONE 0200 | |
849 | #define MID_ONE 0160 | |
850 | #define LOW_ONE 0016 | |
851 | #define CARRY_ONE 0001 | |
852 | #define HIGH_TWO 0300 | |
853 | #define MID_TWO 0070 | |
854 | #define LOW_TWO 0007 | |
855 | ||
856 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
857 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
858 | ||
c906108c SS |
859 | cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL; |
860 | carry = 0; | |
c5aa993b | 861 | |
bb599908 | 862 | fputs_filtered ("0", stream); |
d44e8473 | 863 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
864 | { |
865 | for (p = valaddr; | |
866 | p < valaddr + len; | |
867 | p++) | |
868 | { | |
c5aa993b JM |
869 | switch (cycle) |
870 | { | |
871 | case 0: | |
581e13c1 MS |
872 | /* No carry in, carry out two bits. */ |
873 | ||
c5aa993b JM |
874 | octa1 = (HIGH_ZERO & *p) >> 5; |
875 | octa2 = (LOW_ZERO & *p) >> 2; | |
876 | carry = (CARRY_ZERO & *p); | |
877 | fprintf_filtered (stream, "%o", octa1); | |
878 | fprintf_filtered (stream, "%o", octa2); | |
879 | break; | |
880 | ||
881 | case 1: | |
581e13c1 MS |
882 | /* Carry in two bits, carry out one bit. */ |
883 | ||
c5aa993b JM |
884 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
885 | octa2 = (MID_ONE & *p) >> 4; | |
886 | octa3 = (LOW_ONE & *p) >> 1; | |
887 | carry = (CARRY_ONE & *p); | |
888 | fprintf_filtered (stream, "%o", octa1); | |
889 | fprintf_filtered (stream, "%o", octa2); | |
890 | fprintf_filtered (stream, "%o", octa3); | |
891 | break; | |
892 | ||
893 | case 2: | |
581e13c1 MS |
894 | /* Carry in one bit, no carry out. */ |
895 | ||
c5aa993b JM |
896 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
897 | octa2 = (MID_TWO & *p) >> 3; | |
898 | octa3 = (LOW_TWO & *p); | |
899 | carry = 0; | |
900 | fprintf_filtered (stream, "%o", octa1); | |
901 | fprintf_filtered (stream, "%o", octa2); | |
902 | fprintf_filtered (stream, "%o", octa3); | |
903 | break; | |
904 | ||
905 | default: | |
8a3fe4f8 | 906 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
907 | } |
908 | ||
909 | cycle++; | |
910 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
911 | } |
912 | } | |
913 | else | |
914 | { | |
915 | for (p = valaddr + len - 1; | |
916 | p >= valaddr; | |
917 | p--) | |
918 | { | |
c5aa993b JM |
919 | switch (cycle) |
920 | { | |
921 | case 0: | |
922 | /* Carry out, no carry in */ | |
581e13c1 | 923 | |
c5aa993b JM |
924 | octa1 = (HIGH_ZERO & *p) >> 5; |
925 | octa2 = (LOW_ZERO & *p) >> 2; | |
926 | carry = (CARRY_ZERO & *p); | |
927 | fprintf_filtered (stream, "%o", octa1); | |
928 | fprintf_filtered (stream, "%o", octa2); | |
929 | break; | |
930 | ||
931 | case 1: | |
932 | /* Carry in, carry out */ | |
581e13c1 | 933 | |
c5aa993b JM |
934 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
935 | octa2 = (MID_ONE & *p) >> 4; | |
936 | octa3 = (LOW_ONE & *p) >> 1; | |
937 | carry = (CARRY_ONE & *p); | |
938 | fprintf_filtered (stream, "%o", octa1); | |
939 | fprintf_filtered (stream, "%o", octa2); | |
940 | fprintf_filtered (stream, "%o", octa3); | |
941 | break; | |
942 | ||
943 | case 2: | |
944 | /* Carry in, no carry out */ | |
581e13c1 | 945 | |
c5aa993b JM |
946 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
947 | octa2 = (MID_TWO & *p) >> 3; | |
948 | octa3 = (LOW_TWO & *p); | |
949 | carry = 0; | |
950 | fprintf_filtered (stream, "%o", octa1); | |
951 | fprintf_filtered (stream, "%o", octa2); | |
952 | fprintf_filtered (stream, "%o", octa3); | |
953 | break; | |
954 | ||
955 | default: | |
8a3fe4f8 | 956 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
957 | } |
958 | ||
959 | cycle++; | |
960 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
961 | } |
962 | } | |
963 | ||
c906108c SS |
964 | } |
965 | ||
966 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
967 | Print it in decimal on stream or format it in buf. */ |
968 | ||
c906108c | 969 | void |
fc1a4b47 | 970 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 971 | unsigned len, enum bfd_endian byte_order) |
c906108c SS |
972 | { |
973 | #define TEN 10 | |
c5aa993b | 974 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
975 | #define CARRY_LEFT( x ) ((x) % TEN) |
976 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
977 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
978 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
979 | ||
fc1a4b47 | 980 | const gdb_byte *p; |
c906108c | 981 | unsigned char *digits; |
c5aa993b JM |
982 | int carry; |
983 | int decimal_len; | |
984 | int i, j, decimal_digits; | |
985 | int dummy; | |
986 | int flip; | |
987 | ||
c906108c | 988 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
989 | as the base 16 number, which is 2 digits per byte. */ |
990 | ||
c906108c | 991 | decimal_len = len * 2 * 2; |
3c37485b | 992 | digits = xmalloc (decimal_len); |
c906108c | 993 | |
c5aa993b JM |
994 | for (i = 0; i < decimal_len; i++) |
995 | { | |
c906108c | 996 | digits[i] = 0; |
c5aa993b | 997 | } |
c906108c | 998 | |
c906108c SS |
999 | /* Ok, we have an unknown number of bytes of data to be printed in |
1000 | * decimal. | |
1001 | * | |
1002 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
1003 | * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply | |
1004 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. | |
1005 | * | |
1006 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1007 | * the individual digits are > 10. |
c906108c SS |
1008 | * |
1009 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1010 | * LSD end. | |
1011 | */ | |
c5aa993b | 1012 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1013 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1014 | flip = 0; |
d44e8473 | 1015 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1016 | { |
c906108c SS |
1017 | /* |
1018 | * Multiply current base-ten number by 16 in place. | |
1019 | * Each digit was between 0 and 9, now is between | |
1020 | * 0 and 144. | |
1021 | */ | |
c5aa993b JM |
1022 | for (j = 0; j < decimal_digits; j++) |
1023 | { | |
1024 | digits[j] = SHIFT (digits[j]); | |
1025 | } | |
1026 | ||
c906108c SS |
1027 | /* Take the next nibble off the input and add it to what |
1028 | * we've got in the LSB position. Bottom 'digit' is now | |
1029 | * between 0 and 159. | |
1030 | * | |
1031 | * "flip" is used to run this loop twice for each byte. | |
1032 | */ | |
c5aa993b JM |
1033 | if (flip == 0) |
1034 | { | |
581e13c1 MS |
1035 | /* Take top nibble. */ |
1036 | ||
c5aa993b JM |
1037 | digits[0] += HIGH_NIBBLE (*p); |
1038 | flip = 1; | |
1039 | } | |
1040 | else | |
1041 | { | |
581e13c1 MS |
1042 | /* Take low nibble and bump our pointer "p". */ |
1043 | ||
c5aa993b | 1044 | digits[0] += LOW_NIBBLE (*p); |
d44e8473 MD |
1045 | if (byte_order == BFD_ENDIAN_BIG) |
1046 | p++; | |
1047 | else | |
1048 | p--; | |
c5aa993b JM |
1049 | flip = 0; |
1050 | } | |
c906108c SS |
1051 | |
1052 | /* Re-decimalize. We have to do this often enough | |
1053 | * that we don't overflow, but once per nibble is | |
1054 | * overkill. Easier this way, though. Note that the | |
1055 | * carry is often larger than 10 (e.g. max initial | |
1056 | * carry out of lowest nibble is 15, could bubble all | |
1057 | * the way up greater than 10). So we have to do | |
1058 | * the carrying beyond the last current digit. | |
1059 | */ | |
1060 | carry = 0; | |
c5aa993b JM |
1061 | for (j = 0; j < decimal_len - 1; j++) |
1062 | { | |
1063 | digits[j] += carry; | |
1064 | ||
1065 | /* "/" won't handle an unsigned char with | |
1066 | * a value that if signed would be negative. | |
1067 | * So extend to longword int via "dummy". | |
1068 | */ | |
1069 | dummy = digits[j]; | |
1070 | carry = CARRY_OUT (dummy); | |
1071 | digits[j] = CARRY_LEFT (dummy); | |
1072 | ||
1073 | if (j >= decimal_digits && carry == 0) | |
1074 | { | |
1075 | /* | |
1076 | * All higher digits are 0 and we | |
1077 | * no longer have a carry. | |
1078 | * | |
1079 | * Note: "j" is 0-based, "decimal_digits" is | |
1080 | * 1-based. | |
1081 | */ | |
1082 | decimal_digits = j + 1; | |
1083 | break; | |
1084 | } | |
1085 | } | |
1086 | } | |
c906108c SS |
1087 | |
1088 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1089 | the "decimal_digits" actual digits. Print! */ |
1090 | ||
c5aa993b JM |
1091 | for (i = decimal_digits - 1; i >= 0; i--) |
1092 | { | |
1093 | fprintf_filtered (stream, "%1d", digits[i]); | |
1094 | } | |
b8c9b27d | 1095 | xfree (digits); |
c906108c SS |
1096 | } |
1097 | ||
1098 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1099 | ||
6b9acc27 | 1100 | void |
fc1a4b47 | 1101 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1102 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1103 | { |
fc1a4b47 | 1104 | const gdb_byte *p; |
c906108c SS |
1105 | |
1106 | /* FIXME: We should be not printing leading zeroes in most cases. */ | |
1107 | ||
bb599908 | 1108 | fputs_filtered ("0x", stream); |
d44e8473 | 1109 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1110 | { |
1111 | for (p = valaddr; | |
1112 | p < valaddr + len; | |
1113 | p++) | |
1114 | { | |
1115 | fprintf_filtered (stream, "%02x", *p); | |
1116 | } | |
1117 | } | |
1118 | else | |
1119 | { | |
1120 | for (p = valaddr + len - 1; | |
1121 | p >= valaddr; | |
1122 | p--) | |
1123 | { | |
1124 | fprintf_filtered (stream, "%02x", *p); | |
1125 | } | |
1126 | } | |
c906108c SS |
1127 | } |
1128 | ||
3e43a32a | 1129 | /* VALADDR points to a char integer of LEN bytes. |
581e13c1 | 1130 | Print it out in appropriate language form on stream. |
6b9acc27 JJ |
1131 | Omit any leading zero chars. */ |
1132 | ||
1133 | void | |
6c7a06a3 TT |
1134 | print_char_chars (struct ui_file *stream, struct type *type, |
1135 | const gdb_byte *valaddr, | |
d44e8473 | 1136 | unsigned len, enum bfd_endian byte_order) |
6b9acc27 | 1137 | { |
fc1a4b47 | 1138 | const gdb_byte *p; |
6b9acc27 | 1139 | |
d44e8473 | 1140 | if (byte_order == BFD_ENDIAN_BIG) |
6b9acc27 JJ |
1141 | { |
1142 | p = valaddr; | |
1143 | while (p < valaddr + len - 1 && *p == 0) | |
1144 | ++p; | |
1145 | ||
1146 | while (p < valaddr + len) | |
1147 | { | |
6c7a06a3 | 1148 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1149 | ++p; |
1150 | } | |
1151 | } | |
1152 | else | |
1153 | { | |
1154 | p = valaddr + len - 1; | |
1155 | while (p > valaddr && *p == 0) | |
1156 | --p; | |
1157 | ||
1158 | while (p >= valaddr) | |
1159 | { | |
6c7a06a3 | 1160 | LA_EMIT_CHAR (*p, type, stream, '\''); |
6b9acc27 JJ |
1161 | --p; |
1162 | } | |
1163 | } | |
1164 | } | |
1165 | ||
79a45b7d | 1166 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1167 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1168 | ||
1169 | void | |
1170 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
79a45b7d TT |
1171 | struct ui_file *stream, |
1172 | const struct value_print_options *options) | |
e79af960 JB |
1173 | { |
1174 | struct value *index_value; | |
1175 | ||
79a45b7d | 1176 | if (!options->print_array_indexes) |
e79af960 JB |
1177 | return; |
1178 | ||
1179 | index_value = value_from_longest (index_type, index); | |
1180 | ||
79a45b7d TT |
1181 | LA_PRINT_ARRAY_INDEX (index_value, stream, options); |
1182 | } | |
e79af960 | 1183 | |
c906108c | 1184 | /* Called by various <lang>_val_print routines to print elements of an |
c5aa993b | 1185 | array in the form "<elem1>, <elem2>, <elem3>, ...". |
c906108c | 1186 | |
c5aa993b JM |
1187 | (FIXME?) Assumes array element separator is a comma, which is correct |
1188 | for all languages currently handled. | |
1189 | (FIXME?) Some languages have a notation for repeated array elements, | |
581e13c1 | 1190 | perhaps we should try to use that notation when appropriate. */ |
c906108c SS |
1191 | |
1192 | void | |
490f124f PA |
1193 | val_print_array_elements (struct type *type, |
1194 | const gdb_byte *valaddr, int embedded_offset, | |
a2bd3dcd | 1195 | CORE_ADDR address, struct ui_file *stream, |
79a45b7d | 1196 | int recurse, |
0e03807e | 1197 | const struct value *val, |
79a45b7d | 1198 | const struct value_print_options *options, |
fba45db2 | 1199 | unsigned int i) |
c906108c SS |
1200 | { |
1201 | unsigned int things_printed = 0; | |
1202 | unsigned len; | |
e79af960 | 1203 | struct type *elttype, *index_type; |
c906108c SS |
1204 | unsigned eltlen; |
1205 | /* Position of the array element we are examining to see | |
1206 | whether it is repeated. */ | |
1207 | unsigned int rep1; | |
1208 | /* Number of repetitions we have detected so far. */ | |
1209 | unsigned int reps; | |
dbc98a8b | 1210 | LONGEST low_bound, high_bound; |
c5aa993b | 1211 | |
c906108c SS |
1212 | elttype = TYPE_TARGET_TYPE (type); |
1213 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
e79af960 | 1214 | index_type = TYPE_INDEX_TYPE (type); |
c906108c | 1215 | |
dbc98a8b | 1216 | if (get_array_bounds (type, &low_bound, &high_bound)) |
75be741b JB |
1217 | { |
1218 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1. | |
1219 | But we have to be a little extra careful, because some languages | |
1220 | such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for | |
1221 | empty arrays. In that situation, the array length is just zero, | |
1222 | not negative! */ | |
1223 | if (low_bound > high_bound) | |
1224 | len = 0; | |
1225 | else | |
1226 | len = high_bound - low_bound + 1; | |
1227 | } | |
e936309c JB |
1228 | else |
1229 | { | |
dbc98a8b KW |
1230 | warning (_("unable to get bounds of array, assuming null array")); |
1231 | low_bound = 0; | |
1232 | len = 0; | |
168de233 JB |
1233 | } |
1234 | ||
c906108c SS |
1235 | annotate_array_section_begin (i, elttype); |
1236 | ||
79a45b7d | 1237 | for (; i < len && things_printed < options->print_max; i++) |
c906108c SS |
1238 | { |
1239 | if (i != 0) | |
1240 | { | |
79a45b7d | 1241 | if (options->prettyprint_arrays) |
c906108c SS |
1242 | { |
1243 | fprintf_filtered (stream, ",\n"); | |
1244 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1245 | } | |
1246 | else | |
1247 | { | |
1248 | fprintf_filtered (stream, ", "); | |
1249 | } | |
1250 | } | |
1251 | wrap_here (n_spaces (2 + 2 * recurse)); | |
dbc98a8b | 1252 | maybe_print_array_index (index_type, i + low_bound, |
79a45b7d | 1253 | stream, options); |
c906108c SS |
1254 | |
1255 | rep1 = i + 1; | |
1256 | reps = 1; | |
35bef4fd TT |
1257 | /* Only check for reps if repeat_count_threshold is not set to |
1258 | UINT_MAX (unlimited). */ | |
1259 | if (options->repeat_count_threshold < UINT_MAX) | |
c906108c | 1260 | { |
35bef4fd TT |
1261 | while (rep1 < len |
1262 | && value_available_contents_eq (val, | |
1263 | embedded_offset + i * eltlen, | |
1264 | val, | |
1265 | (embedded_offset | |
1266 | + rep1 * eltlen), | |
1267 | eltlen)) | |
1268 | { | |
1269 | ++reps; | |
1270 | ++rep1; | |
1271 | } | |
c906108c SS |
1272 | } |
1273 | ||
79a45b7d | 1274 | if (reps > options->repeat_count_threshold) |
c906108c | 1275 | { |
490f124f PA |
1276 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1277 | address, stream, recurse + 1, val, options, | |
1278 | current_language); | |
c906108c SS |
1279 | annotate_elt_rep (reps); |
1280 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
1281 | annotate_elt_rep_end (); | |
1282 | ||
1283 | i = rep1 - 1; | |
79a45b7d | 1284 | things_printed += options->repeat_count_threshold; |
c906108c SS |
1285 | } |
1286 | else | |
1287 | { | |
490f124f PA |
1288 | val_print (elttype, valaddr, embedded_offset + i * eltlen, |
1289 | address, | |
0e03807e | 1290 | stream, recurse + 1, val, options, current_language); |
c906108c SS |
1291 | annotate_elt (); |
1292 | things_printed++; | |
1293 | } | |
1294 | } | |
1295 | annotate_array_section_end (); | |
1296 | if (i < len) | |
1297 | { | |
1298 | fprintf_filtered (stream, "..."); | |
1299 | } | |
1300 | } | |
1301 | ||
917317f4 JM |
1302 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1303 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
1304 | actually read, and optionally an errno value in the location | |
581e13c1 | 1305 | pointed to by ERRNOPTR if ERRNOPTR is non-null. */ |
917317f4 JM |
1306 | |
1307 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1308 | function be eliminated. */ | |
1309 | ||
1310 | static int | |
3e43a32a MS |
1311 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
1312 | int len, int *errnoptr) | |
917317f4 | 1313 | { |
581e13c1 MS |
1314 | int nread; /* Number of bytes actually read. */ |
1315 | int errcode; /* Error from last read. */ | |
917317f4 | 1316 | |
581e13c1 | 1317 | /* First try a complete read. */ |
917317f4 JM |
1318 | errcode = target_read_memory (memaddr, myaddr, len); |
1319 | if (errcode == 0) | |
1320 | { | |
581e13c1 | 1321 | /* Got it all. */ |
917317f4 JM |
1322 | nread = len; |
1323 | } | |
1324 | else | |
1325 | { | |
581e13c1 | 1326 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
1327 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
1328 | { | |
1329 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
1330 | } | |
581e13c1 | 1331 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
1332 | if (errcode != 0) |
1333 | { | |
1334 | nread--; | |
1335 | } | |
1336 | } | |
1337 | if (errnoptr != NULL) | |
1338 | { | |
1339 | *errnoptr = errcode; | |
1340 | } | |
1341 | return (nread); | |
1342 | } | |
1343 | ||
ae6a3a4c TJB |
1344 | /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes |
1345 | each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly | |
1346 | allocated buffer containing the string, which the caller is responsible to | |
1347 | free, and BYTES_READ will be set to the number of bytes read. Returns 0 on | |
1348 | success, or errno on failure. | |
1349 | ||
1350 | If LEN > 0, reads exactly LEN characters (including eventual NULs in | |
1351 | the middle or end of the string). If LEN is -1, stops at the first | |
1352 | null character (not necessarily the first null byte) up to a maximum | |
1353 | of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many | |
1354 | characters as possible from the string. | |
1355 | ||
1356 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
1357 | failure. In this case, some characters might have been read before the | |
1358 | failure happened. Check BYTES_READ to recognize this situation. | |
1359 | ||
1360 | Note: There was a FIXME asking to make this code use target_read_string, | |
1361 | but this function is more general (can read past null characters, up to | |
581e13c1 | 1362 | given LEN). Besides, it is used much more often than target_read_string |
ae6a3a4c TJB |
1363 | so it is more tested. Perhaps callers of target_read_string should use |
1364 | this function instead? */ | |
c906108c SS |
1365 | |
1366 | int | |
ae6a3a4c | 1367 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
e17a4113 | 1368 | enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read) |
c906108c | 1369 | { |
ae6a3a4c TJB |
1370 | int found_nul; /* Non-zero if we found the nul char. */ |
1371 | int errcode; /* Errno returned from bad reads. */ | |
1372 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
1373 | unsigned int chunksize; /* Size of each fetch, in chars. */ | |
3e43a32a MS |
1374 | gdb_byte *bufptr; /* Pointer to next available byte in |
1375 | buffer. */ | |
ae6a3a4c TJB |
1376 | gdb_byte *limit; /* First location past end of fetch buffer. */ |
1377 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
1378 | ||
1379 | /* Decide how large of chunks to try to read in one operation. This | |
c906108c SS |
1380 | is also pretty simple. If LEN >= zero, then we want fetchlimit chars, |
1381 | so we might as well read them all in one operation. If LEN is -1, we | |
ae6a3a4c | 1382 | are looking for a NUL terminator to end the fetching, so we might as |
c906108c SS |
1383 | well read in blocks that are large enough to be efficient, but not so |
1384 | large as to be slow if fetchlimit happens to be large. So we choose the | |
1385 | minimum of 8 and fetchlimit. We used to use 200 instead of 8 but | |
1386 | 200 is way too big for remote debugging over a serial line. */ | |
1387 | ||
1388 | chunksize = (len == -1 ? min (8, fetchlimit) : fetchlimit); | |
1389 | ||
ae6a3a4c TJB |
1390 | /* Loop until we either have all the characters, or we encounter |
1391 | some error, such as bumping into the end of the address space. */ | |
c906108c SS |
1392 | |
1393 | found_nul = 0; | |
b5096abe PM |
1394 | *buffer = NULL; |
1395 | ||
1396 | old_chain = make_cleanup (free_current_contents, buffer); | |
c906108c SS |
1397 | |
1398 | if (len > 0) | |
1399 | { | |
ae6a3a4c TJB |
1400 | *buffer = (gdb_byte *) xmalloc (len * width); |
1401 | bufptr = *buffer; | |
c906108c | 1402 | |
917317f4 | 1403 | nfetch = partial_memory_read (addr, bufptr, len * width, &errcode) |
c906108c SS |
1404 | / width; |
1405 | addr += nfetch * width; | |
1406 | bufptr += nfetch * width; | |
1407 | } | |
1408 | else if (len == -1) | |
1409 | { | |
1410 | unsigned long bufsize = 0; | |
ae6a3a4c | 1411 | |
c906108c SS |
1412 | do |
1413 | { | |
1414 | QUIT; | |
1415 | nfetch = min (chunksize, fetchlimit - bufsize); | |
1416 | ||
ae6a3a4c TJB |
1417 | if (*buffer == NULL) |
1418 | *buffer = (gdb_byte *) xmalloc (nfetch * width); | |
c906108c | 1419 | else |
b5096abe PM |
1420 | *buffer = (gdb_byte *) xrealloc (*buffer, |
1421 | (nfetch + bufsize) * width); | |
c906108c | 1422 | |
ae6a3a4c | 1423 | bufptr = *buffer + bufsize * width; |
c906108c SS |
1424 | bufsize += nfetch; |
1425 | ||
ae6a3a4c | 1426 | /* Read as much as we can. */ |
917317f4 | 1427 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 1428 | / width; |
c906108c | 1429 | |
ae6a3a4c | 1430 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
1431 | to print. If found, we don't need to fetch any more. Note |
1432 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
1433 | after the null character, or at the next character after the end |
1434 | of the buffer. */ | |
c906108c SS |
1435 | |
1436 | limit = bufptr + nfetch * width; | |
1437 | while (bufptr < limit) | |
1438 | { | |
1439 | unsigned long c; | |
1440 | ||
e17a4113 | 1441 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
1442 | addr += width; |
1443 | bufptr += width; | |
1444 | if (c == 0) | |
1445 | { | |
1446 | /* We don't care about any error which happened after | |
ae6a3a4c | 1447 | the NUL terminator. */ |
c906108c SS |
1448 | errcode = 0; |
1449 | found_nul = 1; | |
1450 | break; | |
1451 | } | |
1452 | } | |
1453 | } | |
c5aa993b | 1454 | while (errcode == 0 /* no error */ |
ae6a3a4c TJB |
1455 | && bufptr - *buffer < fetchlimit * width /* no overrun */ |
1456 | && !found_nul); /* haven't found NUL yet */ | |
c906108c SS |
1457 | } |
1458 | else | |
ae6a3a4c TJB |
1459 | { /* Length of string is really 0! */ |
1460 | /* We always allocate *buffer. */ | |
1461 | *buffer = bufptr = xmalloc (1); | |
c906108c SS |
1462 | errcode = 0; |
1463 | } | |
1464 | ||
1465 | /* bufptr and addr now point immediately beyond the last byte which we | |
1466 | consider part of the string (including a '\0' which ends the string). */ | |
ae6a3a4c TJB |
1467 | *bytes_read = bufptr - *buffer; |
1468 | ||
1469 | QUIT; | |
1470 | ||
1471 | discard_cleanups (old_chain); | |
1472 | ||
1473 | return errcode; | |
1474 | } | |
1475 | ||
3b2b8fea TT |
1476 | /* Return true if print_wchar can display W without resorting to a |
1477 | numeric escape, false otherwise. */ | |
1478 | ||
1479 | static int | |
1480 | wchar_printable (gdb_wchar_t w) | |
1481 | { | |
1482 | return (gdb_iswprint (w) | |
1483 | || w == LCST ('\a') || w == LCST ('\b') | |
1484 | || w == LCST ('\f') || w == LCST ('\n') | |
1485 | || w == LCST ('\r') || w == LCST ('\t') | |
1486 | || w == LCST ('\v')); | |
1487 | } | |
1488 | ||
1489 | /* A helper function that converts the contents of STRING to wide | |
1490 | characters and then appends them to OUTPUT. */ | |
1491 | ||
1492 | static void | |
1493 | append_string_as_wide (const char *string, | |
1494 | struct obstack *output) | |
1495 | { | |
1496 | for (; *string; ++string) | |
1497 | { | |
1498 | gdb_wchar_t w = gdb_btowc (*string); | |
1499 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
1504 | original (target) bytes representing the character, ORIG_LEN is the | |
1505 | number of valid bytes. WIDTH is the number of bytes in a base | |
1506 | characters of the type. OUTPUT is an obstack to which wide | |
1507 | characters are emitted. QUOTER is a (narrow) character indicating | |
1508 | the style of quotes surrounding the character to be printed. | |
1509 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
1510 | escapes across calls. */ | |
1511 | ||
1512 | static void | |
1513 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
1514 | int orig_len, int width, | |
1515 | enum bfd_endian byte_order, | |
1516 | struct obstack *output, | |
1517 | int quoter, int *need_escapep) | |
1518 | { | |
1519 | int need_escape = *need_escapep; | |
1520 | ||
1521 | *need_escapep = 0; | |
1522 | if (gdb_iswprint (w) && (!need_escape || (!gdb_iswdigit (w) | |
1523 | && w != LCST ('8') | |
1524 | && w != LCST ('9')))) | |
1525 | { | |
1526 | gdb_wchar_t wchar = w; | |
1527 | ||
1528 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) | |
1529 | obstack_grow_wstr (output, LCST ("\\")); | |
1530 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
1531 | } | |
1532 | else | |
1533 | { | |
1534 | switch (w) | |
1535 | { | |
1536 | case LCST ('\a'): | |
1537 | obstack_grow_wstr (output, LCST ("\\a")); | |
1538 | break; | |
1539 | case LCST ('\b'): | |
1540 | obstack_grow_wstr (output, LCST ("\\b")); | |
1541 | break; | |
1542 | case LCST ('\f'): | |
1543 | obstack_grow_wstr (output, LCST ("\\f")); | |
1544 | break; | |
1545 | case LCST ('\n'): | |
1546 | obstack_grow_wstr (output, LCST ("\\n")); | |
1547 | break; | |
1548 | case LCST ('\r'): | |
1549 | obstack_grow_wstr (output, LCST ("\\r")); | |
1550 | break; | |
1551 | case LCST ('\t'): | |
1552 | obstack_grow_wstr (output, LCST ("\\t")); | |
1553 | break; | |
1554 | case LCST ('\v'): | |
1555 | obstack_grow_wstr (output, LCST ("\\v")); | |
1556 | break; | |
1557 | default: | |
1558 | { | |
1559 | int i; | |
1560 | ||
1561 | for (i = 0; i + width <= orig_len; i += width) | |
1562 | { | |
1563 | char octal[30]; | |
1564 | ULONGEST value; | |
1565 | ||
1566 | value = extract_unsigned_integer (&orig[i], width, | |
1567 | byte_order); | |
1568 | /* If the value fits in 3 octal digits, print it that | |
1569 | way. Otherwise, print it as a hex escape. */ | |
1570 | if (value <= 0777) | |
1571 | sprintf (octal, "\\%.3o", (int) (value & 0777)); | |
1572 | else | |
1573 | sprintf (octal, "\\x%lx", (long) value); | |
1574 | append_string_as_wide (octal, output); | |
1575 | } | |
1576 | /* If we somehow have extra bytes, print them now. */ | |
1577 | while (i < orig_len) | |
1578 | { | |
1579 | char octal[5]; | |
1580 | ||
1581 | sprintf (octal, "\\%.3o", orig[i] & 0xff); | |
1582 | append_string_as_wide (octal, output); | |
1583 | ++i; | |
1584 | } | |
1585 | ||
1586 | *need_escapep = 1; | |
1587 | } | |
1588 | break; | |
1589 | } | |
1590 | } | |
1591 | } | |
1592 | ||
1593 | /* Print the character C on STREAM as part of the contents of a | |
1594 | literal string whose delimiter is QUOTER. ENCODING names the | |
1595 | encoding of C. */ | |
1596 | ||
1597 | void | |
1598 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
1599 | int quoter, const char *encoding) | |
1600 | { | |
1601 | enum bfd_endian byte_order | |
1602 | = gdbarch_byte_order (get_type_arch (type)); | |
1603 | struct obstack wchar_buf, output; | |
1604 | struct cleanup *cleanups; | |
1605 | gdb_byte *buf; | |
1606 | struct wchar_iterator *iter; | |
1607 | int need_escape = 0; | |
1608 | ||
1609 | buf = alloca (TYPE_LENGTH (type)); | |
1610 | pack_long (buf, type, c); | |
1611 | ||
1612 | iter = make_wchar_iterator (buf, TYPE_LENGTH (type), | |
1613 | encoding, TYPE_LENGTH (type)); | |
1614 | cleanups = make_cleanup_wchar_iterator (iter); | |
1615 | ||
1616 | /* This holds the printable form of the wchar_t data. */ | |
1617 | obstack_init (&wchar_buf); | |
1618 | make_cleanup_obstack_free (&wchar_buf); | |
1619 | ||
1620 | while (1) | |
1621 | { | |
1622 | int num_chars; | |
1623 | gdb_wchar_t *chars; | |
1624 | const gdb_byte *buf; | |
1625 | size_t buflen; | |
1626 | int print_escape = 1; | |
1627 | enum wchar_iterate_result result; | |
1628 | ||
1629 | num_chars = wchar_iterate (iter, &result, &chars, &buf, &buflen); | |
1630 | if (num_chars < 0) | |
1631 | break; | |
1632 | if (num_chars > 0) | |
1633 | { | |
1634 | /* If all characters are printable, print them. Otherwise, | |
1635 | we're going to have to print an escape sequence. We | |
1636 | check all characters because we want to print the target | |
1637 | bytes in the escape sequence, and we don't know character | |
1638 | boundaries there. */ | |
1639 | int i; | |
1640 | ||
1641 | print_escape = 0; | |
1642 | for (i = 0; i < num_chars; ++i) | |
1643 | if (!wchar_printable (chars[i])) | |
1644 | { | |
1645 | print_escape = 1; | |
1646 | break; | |
1647 | } | |
1648 | ||
1649 | if (!print_escape) | |
1650 | { | |
1651 | for (i = 0; i < num_chars; ++i) | |
1652 | print_wchar (chars[i], buf, buflen, | |
1653 | TYPE_LENGTH (type), byte_order, | |
1654 | &wchar_buf, quoter, &need_escape); | |
1655 | } | |
1656 | } | |
1657 | ||
1658 | /* This handles the NUM_CHARS == 0 case as well. */ | |
1659 | if (print_escape) | |
1660 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
1661 | byte_order, &wchar_buf, quoter, &need_escape); | |
1662 | } | |
1663 | ||
1664 | /* The output in the host encoding. */ | |
1665 | obstack_init (&output); | |
1666 | make_cleanup_obstack_free (&output); | |
1667 | ||
1668 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
1669 | obstack_base (&wchar_buf), | |
1670 | obstack_object_size (&wchar_buf), | |
1671 | 1, &output, translit_char); | |
1672 | obstack_1grow (&output, '\0'); | |
1673 | ||
1674 | fputs_filtered (obstack_base (&output), stream); | |
1675 | ||
1676 | do_cleanups (cleanups); | |
1677 | } | |
1678 | ||
1679 | /* Print the character string STRING, printing at most LENGTH | |
1680 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
1681 | the type of each character. OPTIONS holds the printing options; | |
1682 | printing stops early if the number hits print_max; repeat counts | |
1683 | are printed as appropriate. Print ellipses at the end if we had to | |
1684 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
1685 | QUOTE_CHAR is the character to print at each end of the string. If | |
1686 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
1687 | omitted. */ | |
1688 | ||
1689 | void | |
1690 | generic_printstr (struct ui_file *stream, struct type *type, | |
1691 | const gdb_byte *string, unsigned int length, | |
1692 | const char *encoding, int force_ellipses, | |
1693 | int quote_char, int c_style_terminator, | |
1694 | const struct value_print_options *options) | |
1695 | { | |
1696 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
1697 | unsigned int i; | |
1698 | unsigned int things_printed = 0; | |
1699 | int in_quotes = 0; | |
1700 | int need_comma = 0; | |
1701 | int width = TYPE_LENGTH (type); | |
1702 | struct obstack wchar_buf, output; | |
1703 | struct cleanup *cleanup; | |
1704 | struct wchar_iterator *iter; | |
1705 | int finished = 0; | |
1706 | int need_escape = 0; | |
1707 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
1708 | ||
1709 | if (length == -1) | |
1710 | { | |
1711 | unsigned long current_char = 1; | |
1712 | ||
1713 | for (i = 0; current_char; ++i) | |
1714 | { | |
1715 | QUIT; | |
1716 | current_char = extract_unsigned_integer (string + i * width, | |
1717 | width, byte_order); | |
1718 | } | |
1719 | length = i; | |
1720 | } | |
1721 | ||
1722 | /* If the string was not truncated due to `set print elements', and | |
1723 | the last byte of it is a null, we don't print that, in | |
1724 | traditional C style. */ | |
1725 | if (c_style_terminator | |
1726 | && !force_ellipses | |
1727 | && length > 0 | |
1728 | && (extract_unsigned_integer (string + (length - 1) * width, | |
1729 | width, byte_order) == 0)) | |
1730 | length--; | |
1731 | ||
1732 | if (length == 0) | |
1733 | { | |
1734 | fputs_filtered ("\"\"", stream); | |
1735 | return; | |
1736 | } | |
1737 | ||
1738 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
1739 | iter = make_wchar_iterator (string, length * width, encoding, width); | |
1740 | cleanup = make_cleanup_wchar_iterator (iter); | |
1741 | ||
1742 | /* WCHAR_BUF is the obstack we use to represent the string in | |
1743 | wchar_t form. */ | |
1744 | obstack_init (&wchar_buf); | |
1745 | make_cleanup_obstack_free (&wchar_buf); | |
1746 | ||
1747 | while (!finished && things_printed < options->print_max) | |
1748 | { | |
1749 | int num_chars; | |
1750 | enum wchar_iterate_result result; | |
1751 | gdb_wchar_t *chars; | |
1752 | const gdb_byte *buf; | |
1753 | size_t buflen; | |
1754 | ||
1755 | QUIT; | |
1756 | ||
1757 | if (need_comma) | |
1758 | { | |
1759 | obstack_grow_wstr (&wchar_buf, LCST (", ")); | |
1760 | need_comma = 0; | |
1761 | } | |
1762 | ||
1763 | num_chars = wchar_iterate (iter, &result, &chars, &buf, &buflen); | |
1764 | /* We only look at repetitions when we were able to convert a | |
1765 | single character in isolation. This makes the code simpler | |
1766 | and probably does the sensible thing in the majority of | |
1767 | cases. */ | |
1768 | while (num_chars == 1 && things_printed < options->print_max) | |
1769 | { | |
1770 | /* Count the number of repetitions. */ | |
1771 | unsigned int reps = 0; | |
1772 | gdb_wchar_t current_char = chars[0]; | |
1773 | const gdb_byte *orig_buf = buf; | |
1774 | int orig_len = buflen; | |
1775 | ||
1776 | if (need_comma) | |
1777 | { | |
1778 | obstack_grow_wstr (&wchar_buf, LCST (", ")); | |
1779 | need_comma = 0; | |
1780 | } | |
1781 | ||
1782 | while (num_chars == 1 && current_char == chars[0]) | |
1783 | { | |
1784 | num_chars = wchar_iterate (iter, &result, &chars, | |
1785 | &buf, &buflen); | |
1786 | ++reps; | |
1787 | } | |
1788 | ||
1789 | /* Emit CURRENT_CHAR according to the repetition count and | |
1790 | options. */ | |
1791 | if (reps > options->repeat_count_threshold) | |
1792 | { | |
1793 | if (in_quotes) | |
1794 | { | |
1795 | if (options->inspect_it) | |
1796 | obstack_grow_wstr (&wchar_buf, LCST ("\\")); | |
1797 | obstack_grow (&wchar_buf, &wide_quote_char, | |
1798 | sizeof (gdb_wchar_t)); | |
1799 | obstack_grow_wstr (&wchar_buf, LCST (", ")); | |
1800 | in_quotes = 0; | |
1801 | } | |
1802 | obstack_grow_wstr (&wchar_buf, LCST ("'")); | |
1803 | need_escape = 0; | |
1804 | print_wchar (current_char, orig_buf, orig_len, width, | |
1805 | byte_order, &wchar_buf, '\'', &need_escape); | |
1806 | obstack_grow_wstr (&wchar_buf, LCST ("'")); | |
1807 | { | |
1808 | /* Painful gyrations. */ | |
1809 | int j; | |
1810 | char *s = xstrprintf (_(" <repeats %u times>"), reps); | |
1811 | ||
1812 | for (j = 0; s[j]; ++j) | |
1813 | { | |
1814 | gdb_wchar_t w = gdb_btowc (s[j]); | |
1815 | obstack_grow (&wchar_buf, &w, sizeof (gdb_wchar_t)); | |
1816 | } | |
1817 | xfree (s); | |
1818 | } | |
1819 | things_printed += options->repeat_count_threshold; | |
1820 | need_comma = 1; | |
1821 | } | |
1822 | else | |
1823 | { | |
1824 | /* Saw the character one or more times, but fewer than | |
1825 | the repetition threshold. */ | |
1826 | if (!in_quotes) | |
1827 | { | |
1828 | if (options->inspect_it) | |
1829 | obstack_grow_wstr (&wchar_buf, LCST ("\\")); | |
1830 | obstack_grow (&wchar_buf, &wide_quote_char, | |
1831 | sizeof (gdb_wchar_t)); | |
1832 | in_quotes = 1; | |
1833 | need_escape = 0; | |
1834 | } | |
1835 | ||
1836 | while (reps-- > 0) | |
1837 | { | |
1838 | print_wchar (current_char, orig_buf, | |
1839 | orig_len, width, | |
1840 | byte_order, &wchar_buf, | |
1841 | quote_char, &need_escape); | |
1842 | ++things_printed; | |
1843 | } | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | /* NUM_CHARS and the other outputs from wchar_iterate are valid | |
1848 | here regardless of which branch was taken above. */ | |
1849 | if (num_chars < 0) | |
1850 | { | |
1851 | /* Hit EOF. */ | |
1852 | finished = 1; | |
1853 | break; | |
1854 | } | |
1855 | ||
1856 | switch (result) | |
1857 | { | |
1858 | case wchar_iterate_invalid: | |
1859 | if (!in_quotes) | |
1860 | { | |
1861 | if (options->inspect_it) | |
1862 | obstack_grow_wstr (&wchar_buf, LCST ("\\")); | |
1863 | obstack_grow (&wchar_buf, &wide_quote_char, | |
1864 | sizeof (gdb_wchar_t)); | |
1865 | in_quotes = 1; | |
1866 | } | |
1867 | need_escape = 0; | |
1868 | print_wchar (gdb_WEOF, buf, buflen, width, byte_order, | |
1869 | &wchar_buf, quote_char, &need_escape); | |
1870 | break; | |
1871 | ||
1872 | case wchar_iterate_incomplete: | |
1873 | if (in_quotes) | |
1874 | { | |
1875 | if (options->inspect_it) | |
1876 | obstack_grow_wstr (&wchar_buf, LCST ("\\")); | |
1877 | obstack_grow (&wchar_buf, &wide_quote_char, | |
1878 | sizeof (gdb_wchar_t)); | |
1879 | obstack_grow_wstr (&wchar_buf, LCST (",")); | |
1880 | in_quotes = 0; | |
1881 | } | |
1882 | obstack_grow_wstr (&wchar_buf, | |
1883 | LCST (" <incomplete sequence ")); | |
1884 | print_wchar (gdb_WEOF, buf, buflen, width, | |
1885 | byte_order, &wchar_buf, | |
1886 | 0, &need_escape); | |
1887 | obstack_grow_wstr (&wchar_buf, LCST (">")); | |
1888 | finished = 1; | |
1889 | break; | |
1890 | } | |
1891 | } | |
1892 | ||
1893 | /* Terminate the quotes if necessary. */ | |
1894 | if (in_quotes) | |
1895 | { | |
1896 | if (options->inspect_it) | |
1897 | obstack_grow_wstr (&wchar_buf, LCST ("\\")); | |
1898 | obstack_grow (&wchar_buf, &wide_quote_char, | |
1899 | sizeof (gdb_wchar_t)); | |
1900 | } | |
1901 | ||
1902 | if (force_ellipses || !finished) | |
1903 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
1904 | ||
1905 | /* OUTPUT is where we collect `char's for printing. */ | |
1906 | obstack_init (&output); | |
1907 | make_cleanup_obstack_free (&output); | |
1908 | ||
1909 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
1910 | obstack_base (&wchar_buf), | |
1911 | obstack_object_size (&wchar_buf), | |
1912 | 1, &output, translit_char); | |
1913 | obstack_1grow (&output, '\0'); | |
1914 | ||
1915 | fputs_filtered (obstack_base (&output), stream); | |
1916 | ||
1917 | do_cleanups (cleanup); | |
1918 | } | |
1919 | ||
ae6a3a4c TJB |
1920 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
1921 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
1922 | stops at the first null byte, otherwise printing proceeds (including null | |
1923 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
1924 | whichever is smaller. ENCODING is the name of the string's |
1925 | encoding. It can be NULL, in which case the target encoding is | |
1926 | assumed. */ | |
ae6a3a4c TJB |
1927 | |
1928 | int | |
09ca9e2e TT |
1929 | val_print_string (struct type *elttype, const char *encoding, |
1930 | CORE_ADDR addr, int len, | |
6c7a06a3 | 1931 | struct ui_file *stream, |
ae6a3a4c TJB |
1932 | const struct value_print_options *options) |
1933 | { | |
1934 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
1935 | int errcode; /* Errno returned from bad reads. */ | |
581e13c1 | 1936 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
1937 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
1938 | int bytes_read; | |
1939 | gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */ | |
1940 | struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */ | |
5af949e3 | 1941 | struct gdbarch *gdbarch = get_type_arch (elttype); |
e17a4113 | 1942 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
6c7a06a3 | 1943 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
1944 | |
1945 | /* First we need to figure out the limit on the number of characters we are | |
1946 | going to attempt to fetch and print. This is actually pretty simple. If | |
1947 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
1948 | LEN is -1, then the limit is print_max. This is true regardless of | |
1949 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
1950 | because finding the null byte (or available memory) is what actually | |
1951 | limits the fetch. */ | |
1952 | ||
3e43a32a MS |
1953 | fetchlimit = (len == -1 ? options->print_max : min (len, |
1954 | options->print_max)); | |
ae6a3a4c | 1955 | |
e17a4113 UW |
1956 | errcode = read_string (addr, len, width, fetchlimit, byte_order, |
1957 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
1958 | old_chain = make_cleanup (xfree, buffer); |
1959 | ||
1960 | addr += bytes_read; | |
c906108c | 1961 | |
3e43a32a MS |
1962 | /* We now have either successfully filled the buffer to fetchlimit, |
1963 | or terminated early due to an error or finding a null char when | |
1964 | LEN is -1. */ | |
ae6a3a4c TJB |
1965 | |
1966 | /* Determine found_nul by looking at the last character read. */ | |
e17a4113 UW |
1967 | found_nul = extract_unsigned_integer (buffer + bytes_read - width, width, |
1968 | byte_order) == 0; | |
c906108c SS |
1969 | if (len == -1 && !found_nul) |
1970 | { | |
777ea8f1 | 1971 | gdb_byte *peekbuf; |
c906108c | 1972 | |
ae6a3a4c | 1973 | /* We didn't find a NUL terminator we were looking for. Attempt |
c5aa993b JM |
1974 | to peek at the next character. If not successful, or it is not |
1975 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 1976 | |
777ea8f1 | 1977 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
1978 | |
1979 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 1980 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
1981 | force_ellipsis = 1; |
1982 | } | |
ae6a3a4c | 1983 | else if ((len >= 0 && errcode != 0) || (len > bytes_read / width)) |
c906108c SS |
1984 | { |
1985 | /* Getting an error when we have a requested length, or fetching less | |
c5aa993b | 1986 | than the number of characters actually requested, always make us |
ae6a3a4c | 1987 | print ellipsis. */ |
c906108c SS |
1988 | force_ellipsis = 1; |
1989 | } | |
1990 | ||
c906108c SS |
1991 | /* If we get an error before fetching anything, don't print a string. |
1992 | But if we fetch something and then get an error, print the string | |
1993 | and then the error message. */ | |
ae6a3a4c | 1994 | if (errcode == 0 || bytes_read > 0) |
c906108c | 1995 | { |
79a45b7d | 1996 | if (options->addressprint) |
c906108c SS |
1997 | { |
1998 | fputs_filtered (" ", stream); | |
1999 | } | |
be759fcf | 2000 | LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width, |
3a772aa4 | 2001 | encoding, force_ellipsis, options); |
c906108c SS |
2002 | } |
2003 | ||
2004 | if (errcode != 0) | |
2005 | { | |
2006 | if (errcode == EIO) | |
2007 | { | |
2008 | fprintf_filtered (stream, " <Address "); | |
5af949e3 | 2009 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
2010 | fprintf_filtered (stream, " out of bounds>"); |
2011 | } | |
2012 | else | |
2013 | { | |
2014 | fprintf_filtered (stream, " <Error reading address "); | |
5af949e3 | 2015 | fputs_filtered (paddress (gdbarch, addr), stream); |
c906108c SS |
2016 | fprintf_filtered (stream, ": %s>", safe_strerror (errcode)); |
2017 | } | |
2018 | } | |
ae6a3a4c | 2019 | |
c906108c SS |
2020 | gdb_flush (stream); |
2021 | do_cleanups (old_chain); | |
ae6a3a4c TJB |
2022 | |
2023 | return (bytes_read / width); | |
c906108c | 2024 | } |
c906108c | 2025 | \f |
c5aa993b | 2026 | |
09e6485f PA |
2027 | /* The 'set input-radix' command writes to this auxiliary variable. |
2028 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2029 | it is left unchanged. */ | |
2030 | ||
2031 | static unsigned input_radix_1 = 10; | |
2032 | ||
c906108c SS |
2033 | /* Validate an input or output radix setting, and make sure the user |
2034 | knows what they really did here. Radix setting is confusing, e.g. | |
2035 | setting the input radix to "10" never changes it! */ | |
2036 | ||
c906108c | 2037 | static void |
fba45db2 | 2038 | set_input_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2039 | { |
09e6485f | 2040 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2041 | } |
2042 | ||
c906108c | 2043 | static void |
fba45db2 | 2044 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2045 | { |
2046 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2047 | make any mathematical sense. In theory, we can deal with any input | |
2048 | radix greater than 1, even if we don't have unique digits for every | |
2049 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2050 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2051 | (FIXME). */ |
c906108c SS |
2052 | |
2053 | if (radix < 2) | |
2054 | { | |
09e6485f | 2055 | input_radix_1 = input_radix; |
8a3fe4f8 | 2056 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2057 | radix); |
2058 | } | |
09e6485f | 2059 | input_radix_1 = input_radix = radix; |
c906108c SS |
2060 | if (from_tty) |
2061 | { | |
3e43a32a MS |
2062 | printf_filtered (_("Input radix now set to " |
2063 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2064 | radix, radix, radix); |
2065 | } | |
2066 | } | |
2067 | ||
09e6485f PA |
2068 | /* The 'set output-radix' command writes to this auxiliary variable. |
2069 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2070 | otherwise, it is left unchanged. */ | |
2071 | ||
2072 | static unsigned output_radix_1 = 10; | |
2073 | ||
c906108c | 2074 | static void |
fba45db2 | 2075 | set_output_radix (char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2076 | { |
09e6485f | 2077 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2078 | } |
2079 | ||
2080 | static void | |
fba45db2 | 2081 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2082 | { |
2083 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2084 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2085 | switch (radix) |
2086 | { | |
2087 | case 16: | |
79a45b7d | 2088 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2089 | break; |
2090 | case 10: | |
79a45b7d | 2091 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2092 | break; |
2093 | case 8: | |
79a45b7d | 2094 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2095 | break; |
2096 | default: | |
09e6485f | 2097 | output_radix_1 = output_radix; |
3e43a32a MS |
2098 | error (_("Unsupported output radix ``decimal %u''; " |
2099 | "output radix unchanged."), | |
c906108c SS |
2100 | radix); |
2101 | } | |
09e6485f | 2102 | output_radix_1 = output_radix = radix; |
c906108c SS |
2103 | if (from_tty) |
2104 | { | |
3e43a32a MS |
2105 | printf_filtered (_("Output radix now set to " |
2106 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2107 | radix, radix, radix); |
2108 | } | |
2109 | } | |
2110 | ||
2111 | /* Set both the input and output radix at once. Try to set the output radix | |
2112 | first, since it has the most restrictive range. An radix that is valid as | |
2113 | an output radix is also valid as an input radix. | |
2114 | ||
2115 | It may be useful to have an unusual input radix. If the user wishes to | |
2116 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2117 | the 'set input-radix' command. */ |
c906108c SS |
2118 | |
2119 | static void | |
fba45db2 | 2120 | set_radix (char *arg, int from_tty) |
c906108c SS |
2121 | { |
2122 | unsigned radix; | |
2123 | ||
bb518678 | 2124 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2125 | set_output_radix_1 (0, radix); |
2126 | set_input_radix_1 (0, radix); | |
2127 | if (from_tty) | |
2128 | { | |
3e43a32a MS |
2129 | printf_filtered (_("Input and output radices now set to " |
2130 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2131 | radix, radix, radix); |
2132 | } | |
2133 | } | |
2134 | ||
581e13c1 | 2135 | /* Show both the input and output radices. */ |
c906108c | 2136 | |
c906108c | 2137 | static void |
fba45db2 | 2138 | show_radix (char *arg, int from_tty) |
c906108c SS |
2139 | { |
2140 | if (from_tty) | |
2141 | { | |
2142 | if (input_radix == output_radix) | |
2143 | { | |
3e43a32a MS |
2144 | printf_filtered (_("Input and output radices set to " |
2145 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2146 | input_radix, input_radix, input_radix); |
2147 | } | |
2148 | else | |
2149 | { | |
3e43a32a MS |
2150 | printf_filtered (_("Input radix set to decimal " |
2151 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2152 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2153 | printf_filtered (_("Output radix set to decimal " |
2154 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2155 | output_radix, output_radix, output_radix); |
2156 | } | |
2157 | } | |
2158 | } | |
c906108c | 2159 | \f |
c5aa993b | 2160 | |
c906108c | 2161 | static void |
fba45db2 | 2162 | set_print (char *arg, int from_tty) |
c906108c SS |
2163 | { |
2164 | printf_unfiltered ( | |
c5aa993b | 2165 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
c906108c SS |
2166 | help_list (setprintlist, "set print ", -1, gdb_stdout); |
2167 | } | |
2168 | ||
c906108c | 2169 | static void |
fba45db2 | 2170 | show_print (char *args, int from_tty) |
c906108c SS |
2171 | { |
2172 | cmd_show_list (showprintlist, from_tty, ""); | |
2173 | } | |
2174 | \f | |
2175 | void | |
fba45db2 | 2176 | _initialize_valprint (void) |
c906108c | 2177 | { |
c906108c | 2178 | add_prefix_cmd ("print", no_class, set_print, |
1bedd215 | 2179 | _("Generic command for setting how things print."), |
c906108c | 2180 | &setprintlist, "set print ", 0, &setlist); |
c5aa993b | 2181 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 2182 | /* Prefer set print to set prompt. */ |
c906108c SS |
2183 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
2184 | ||
2185 | add_prefix_cmd ("print", no_class, show_print, | |
1bedd215 | 2186 | _("Generic command for showing print settings."), |
c906108c | 2187 | &showprintlist, "show print ", 0, &showlist); |
c5aa993b JM |
2188 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
2189 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 2190 | |
79a45b7d TT |
2191 | add_setshow_uinteger_cmd ("elements", no_class, |
2192 | &user_print_options.print_max, _("\ | |
35096d9d AC |
2193 | Set limit on string chars or array elements to print."), _("\ |
2194 | Show limit on string chars or array elements to print."), _("\ | |
2195 | \"set print elements 0\" causes there to be no limit."), | |
2196 | NULL, | |
920d2a44 | 2197 | show_print_max, |
35096d9d | 2198 | &setprintlist, &showprintlist); |
c906108c | 2199 | |
79a45b7d TT |
2200 | add_setshow_boolean_cmd ("null-stop", no_class, |
2201 | &user_print_options.stop_print_at_null, _("\ | |
5bf193a2 AC |
2202 | Set printing of char arrays to stop at first null char."), _("\ |
2203 | Show printing of char arrays to stop at first null char."), NULL, | |
2204 | NULL, | |
920d2a44 | 2205 | show_stop_print_at_null, |
5bf193a2 | 2206 | &setprintlist, &showprintlist); |
c906108c | 2207 | |
35096d9d | 2208 | add_setshow_uinteger_cmd ("repeats", no_class, |
79a45b7d | 2209 | &user_print_options.repeat_count_threshold, _("\ |
35096d9d AC |
2210 | Set threshold for repeated print elements."), _("\ |
2211 | Show threshold for repeated print elements."), _("\ | |
2212 | \"set print repeats 0\" causes all elements to be individually printed."), | |
2213 | NULL, | |
920d2a44 | 2214 | show_repeat_count_threshold, |
35096d9d | 2215 | &setprintlist, &showprintlist); |
c906108c | 2216 | |
79a45b7d TT |
2217 | add_setshow_boolean_cmd ("pretty", class_support, |
2218 | &user_print_options.prettyprint_structs, _("\ | |
5bf193a2 AC |
2219 | Set prettyprinting of structures."), _("\ |
2220 | Show prettyprinting of structures."), NULL, | |
2221 | NULL, | |
920d2a44 | 2222 | show_prettyprint_structs, |
5bf193a2 AC |
2223 | &setprintlist, &showprintlist); |
2224 | ||
79a45b7d TT |
2225 | add_setshow_boolean_cmd ("union", class_support, |
2226 | &user_print_options.unionprint, _("\ | |
5bf193a2 AC |
2227 | Set printing of unions interior to structures."), _("\ |
2228 | Show printing of unions interior to structures."), NULL, | |
2229 | NULL, | |
920d2a44 | 2230 | show_unionprint, |
5bf193a2 AC |
2231 | &setprintlist, &showprintlist); |
2232 | ||
79a45b7d TT |
2233 | add_setshow_boolean_cmd ("array", class_support, |
2234 | &user_print_options.prettyprint_arrays, _("\ | |
5bf193a2 AC |
2235 | Set prettyprinting of arrays."), _("\ |
2236 | Show prettyprinting of arrays."), NULL, | |
2237 | NULL, | |
920d2a44 | 2238 | show_prettyprint_arrays, |
5bf193a2 AC |
2239 | &setprintlist, &showprintlist); |
2240 | ||
79a45b7d TT |
2241 | add_setshow_boolean_cmd ("address", class_support, |
2242 | &user_print_options.addressprint, _("\ | |
5bf193a2 AC |
2243 | Set printing of addresses."), _("\ |
2244 | Show printing of addresses."), NULL, | |
2245 | NULL, | |
920d2a44 | 2246 | show_addressprint, |
5bf193a2 | 2247 | &setprintlist, &showprintlist); |
c906108c | 2248 | |
1e8fb976 PA |
2249 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
2250 | _("\ | |
35096d9d AC |
2251 | Set default input radix for entering numbers."), _("\ |
2252 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
2253 | set_input_radix, |
2254 | show_input_radix, | |
2255 | &setlist, &showlist); | |
35096d9d | 2256 | |
1e8fb976 PA |
2257 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
2258 | _("\ | |
35096d9d AC |
2259 | Set default output radix for printing of values."), _("\ |
2260 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
2261 | set_output_radix, |
2262 | show_output_radix, | |
2263 | &setlist, &showlist); | |
c906108c | 2264 | |
cb1a6d5f AC |
2265 | /* The "set radix" and "show radix" commands are special in that |
2266 | they are like normal set and show commands but allow two normally | |
2267 | independent variables to be either set or shown with a single | |
b66df561 | 2268 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 2269 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
2270 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
2271 | longer true - show can display anything. */ | |
1a966eab AC |
2272 | add_cmd ("radix", class_support, set_radix, _("\ |
2273 | Set default input and output number radices.\n\ | |
c906108c | 2274 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 2275 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 2276 | &setlist); |
1a966eab AC |
2277 | add_cmd ("radix", class_support, show_radix, _("\ |
2278 | Show the default input and output number radices.\n\ | |
2279 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c SS |
2280 | &showlist); |
2281 | ||
e79af960 | 2282 | add_setshow_boolean_cmd ("array-indexes", class_support, |
79a45b7d | 2283 | &user_print_options.print_array_indexes, _("\ |
e79af960 JB |
2284 | Set printing of array indexes."), _("\ |
2285 | Show printing of array indexes"), NULL, NULL, show_print_array_indexes, | |
2286 | &setprintlist, &showprintlist); | |
c906108c | 2287 | } |