Commit | Line | Data |
---|---|---|
7d9884b9 JG |
1 | /* Print values for GDB, the GNU debugger. |
2 | Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc. | |
bd5635a1 RP |
3 | |
4 | This file is part of GDB. | |
5 | ||
36b9d39c | 6 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 7 | it under the terms of the GNU General Public License as published by |
36b9d39c JG |
8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. | |
bd5635a1 | 10 | |
36b9d39c | 11 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
36b9d39c JG |
17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 | 19 | |
bd5635a1 | 20 | #include "defs.h" |
2cd99985 | 21 | #include <string.h> |
bd5635a1 | 22 | #include "symtab.h" |
2cd99985 | 23 | #include "gdbtypes.h" |
bd5635a1 RP |
24 | #include "value.h" |
25 | #include "gdbcore.h" | |
26 | #include "gdbcmd.h" | |
27 | #include "target.h" | |
28 | #include "obstack.h" | |
be3bc7ad | 29 | #include "language.h" |
bd5635a1 RP |
30 | |
31 | #include <errno.h> | |
2cd99985 PB |
32 | |
33 | /* Prototypes for local functions */ | |
34 | ||
35 | static void | |
36 | print_string PARAMS ((FILE *, char *, unsigned int, int)); | |
37 | ||
38 | static void | |
39 | show_print PARAMS ((char *, int)); | |
40 | ||
41 | static void | |
42 | set_print PARAMS ((char *, int)); | |
43 | ||
44 | static void | |
45 | set_radix PARAMS ((char *, int, struct cmd_list_element *)); | |
46 | ||
47 | static void | |
48 | set_output_radix PARAMS ((char *, int, struct cmd_list_element *)); | |
49 | ||
50 | static void | |
51 | type_print_base PARAMS ((struct type *, FILE *, int, int)); | |
52 | ||
53 | static void | |
54 | type_print_varspec_suffix PARAMS ((struct type *, FILE *, int, int)); | |
55 | ||
56 | static void | |
57 | type_print_varspec_prefix PARAMS ((struct type *, FILE *, int, int)); | |
58 | ||
59 | static void | |
60 | type_print_derivation_info PARAMS ((FILE *, struct type *)); | |
61 | ||
62 | static void | |
63 | type_print_method_args PARAMS ((struct type **, char *, char *, int, FILE *)); | |
64 | ||
65 | static void | |
66 | cplus_val_print PARAMS ((struct type *, char *, FILE *, int, int, | |
67 | enum val_prettyprint, struct type **)); | |
68 | ||
69 | static void | |
70 | val_print_fields PARAMS ((struct type *, char *, FILE *, int, int, | |
71 | enum val_prettyprint, struct type **)); | |
72 | ||
73 | static int | |
74 | is_vtbl_member PARAMS ((struct type *)); | |
75 | ||
76 | static int | |
77 | is_vtbl_ptr_type PARAMS ((struct type *)); | |
78 | ||
79 | static void | |
80 | print_hex_chars PARAMS ((FILE *, unsigned char *, unsigned)); | |
81 | ||
bd5635a1 RP |
82 | extern int sys_nerr; |
83 | extern char *sys_errlist[]; | |
84 | ||
bd5635a1 RP |
85 | extern int demangle; /* whether to print C++ syms raw or source-form */ |
86 | ||
87 | /* Maximum number of chars to print for a string pointer value | |
88 | or vector contents, or UINT_MAX for no limit. */ | |
89 | ||
90 | static unsigned int print_max; | |
91 | ||
bd5635a1 RP |
92 | /* Default input and output radixes, and output format letter. */ |
93 | ||
94 | unsigned input_radix = 10; | |
95 | unsigned output_radix = 10; | |
96 | int output_format = 0; | |
97 | ||
98 | ||
99 | char **unsigned_type_table; | |
100 | char **signed_type_table; | |
101 | char **float_type_table; | |
102 | ||
103 | ||
104 | /* Print repeat counts if there are more than this | |
105 | many repetitions of an element in an array. */ | |
106 | #define REPEAT_COUNT_THRESHOLD 10 | |
0dce3774 JK |
107 | |
108 | /* Define a mess of print controls. */ | |
109 | ||
110 | int prettyprint; /* Controls pretty printing of structures */ | |
111 | int vtblprint; /* Controls printing of vtbl's */ | |
112 | int unionprint; /* Controls printing of nested unions. */ | |
113 | int arrayprint; /* Controls pretty printing of arrays. */ | |
114 | int addressprint; /* Controls pretty printing of addresses. */ | |
115 | int objectprint; /* Controls looking up an object's derived type | |
116 | using what we find in its vtables. */ | |
117 | ||
118 | struct obstack dont_print_obstack; | |
119 | ||
bd5635a1 RP |
120 | \f |
121 | /* Print the character string STRING, printing at most LENGTH characters. | |
122 | Printing stops early if the number hits print_max; repeat counts | |
123 | are printed as appropriate. Print ellipses at the end if we | |
124 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */ | |
125 | ||
2cd99985 | 126 | static void |
bd5635a1 RP |
127 | print_string (stream, string, length, force_ellipses) |
128 | FILE *stream; | |
129 | char *string; | |
130 | unsigned int length; | |
131 | int force_ellipses; | |
132 | { | |
133 | register unsigned int i; | |
134 | unsigned int things_printed = 0; | |
135 | int in_quotes = 0; | |
136 | int need_comma = 0; | |
137 | extern int inspect_it; | |
138 | ||
139 | if (length == 0) | |
140 | { | |
141 | fputs_filtered ("\"\"", stdout); | |
142 | return; | |
143 | } | |
144 | ||
145 | for (i = 0; i < length && things_printed < print_max; ++i) | |
146 | { | |
147 | /* Position of the character we are examining | |
148 | to see whether it is repeated. */ | |
149 | unsigned int rep1; | |
150 | /* Number of repetitions we have detected so far. */ | |
151 | unsigned int reps; | |
152 | ||
153 | QUIT; | |
154 | ||
155 | if (need_comma) | |
156 | { | |
157 | fputs_filtered (", ", stream); | |
158 | need_comma = 0; | |
159 | } | |
160 | ||
161 | rep1 = i + 1; | |
162 | reps = 1; | |
163 | while (rep1 < length && string[rep1] == string[i]) | |
164 | { | |
165 | ++rep1; | |
166 | ++reps; | |
167 | } | |
168 | ||
169 | if (reps > REPEAT_COUNT_THRESHOLD) | |
170 | { | |
171 | if (in_quotes) | |
172 | { | |
173 | if (inspect_it) | |
174 | fputs_filtered ("\\\", ", stream); | |
175 | else | |
176 | fputs_filtered ("\", ", stream); | |
177 | in_quotes = 0; | |
178 | } | |
179 | fputs_filtered ("'", stream); | |
180 | printchar (string[i], stream, '\''); | |
181 | fprintf_filtered (stream, "' <repeats %u times>", reps); | |
182 | i = rep1 - 1; | |
183 | things_printed += REPEAT_COUNT_THRESHOLD; | |
184 | need_comma = 1; | |
185 | } | |
186 | else | |
187 | { | |
188 | if (!in_quotes) | |
189 | { | |
190 | if (inspect_it) | |
191 | fputs_filtered ("\\\"", stream); | |
192 | else | |
193 | fputs_filtered ("\"", stream); | |
194 | in_quotes = 1; | |
195 | } | |
196 | printchar (string[i], stream, '"'); | |
197 | ++things_printed; | |
198 | } | |
199 | } | |
200 | ||
201 | /* Terminate the quotes if necessary. */ | |
202 | if (in_quotes) | |
203 | { | |
204 | if (inspect_it) | |
205 | fputs_filtered ("\\\"", stream); | |
206 | else | |
207 | fputs_filtered ("\"", stream); | |
208 | } | |
209 | ||
210 | if (force_ellipses || i < length) | |
211 | fputs_filtered ("...", stream); | |
212 | } | |
213 | ||
214 | /* Print a floating point value of type TYPE, pointed to in GDB by VALADDR, | |
215 | on STREAM. */ | |
216 | ||
217 | void | |
218 | print_floating (valaddr, type, stream) | |
219 | char *valaddr; | |
220 | struct type *type; | |
221 | FILE *stream; | |
222 | { | |
223 | double doub; | |
224 | int inv; | |
225 | unsigned len = TYPE_LENGTH (type); | |
226 | ||
227 | #if defined (IEEE_FLOAT) | |
228 | ||
229 | /* Check for NaN's. Note that this code does not depend on us being | |
230 | on an IEEE conforming system. It only depends on the target | |
231 | machine using IEEE representation. This means (a) | |
232 | cross-debugging works right, and (2) IEEE_FLOAT can (and should) | |
233 | be defined for systems like the 68881, which uses IEEE | |
234 | representation, but is not IEEE conforming. */ | |
235 | ||
236 | { | |
237 | long low, high; | |
238 | /* Is the sign bit 0? */ | |
239 | int nonnegative; | |
240 | /* Is it is a NaN (i.e. the exponent is all ones and | |
241 | the fraction is nonzero)? */ | |
242 | int is_nan; | |
243 | ||
244 | if (len == sizeof (float)) | |
245 | { | |
246 | /* It's single precision. */ | |
247 | bcopy (valaddr, &low, sizeof (low)); | |
248 | /* target -> host. */ | |
249 | SWAP_TARGET_AND_HOST (&low, sizeof (float)); | |
250 | nonnegative = low >= 0; | |
251 | is_nan = ((((low >> 23) & 0xFF) == 0xFF) | |
252 | && 0 != (low & 0x7FFFFF)); | |
253 | low &= 0x7fffff; | |
254 | high = 0; | |
255 | } | |
256 | else | |
257 | { | |
258 | /* It's double precision. Get the high and low words. */ | |
259 | ||
260 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
261 | bcopy (valaddr+4, &low, sizeof (low)); | |
262 | bcopy (valaddr+0, &high, sizeof (high)); | |
263 | #else | |
264 | bcopy (valaddr+0, &low, sizeof (low)); | |
265 | bcopy (valaddr+4, &high, sizeof (high)); | |
266 | #endif | |
267 | SWAP_TARGET_AND_HOST (&low, sizeof (low)); | |
268 | SWAP_TARGET_AND_HOST (&high, sizeof (high)); | |
269 | nonnegative = high >= 0; | |
270 | is_nan = (((high >> 20) & 0x7ff) == 0x7ff | |
271 | && ! ((((high & 0xfffff) == 0)) && (low == 0))); | |
272 | high &= 0xfffff; | |
273 | } | |
274 | ||
275 | if (is_nan) | |
276 | { | |
277 | /* The meaning of the sign and fraction is not defined by IEEE. | |
278 | But the user might know what they mean. For example, they | |
279 | (in an implementation-defined manner) distinguish between | |
280 | signaling and quiet NaN's. */ | |
281 | if (high) | |
282 | fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + nonnegative, | |
283 | high, low); | |
284 | else | |
285 | fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low); | |
286 | return; | |
287 | } | |
288 | } | |
289 | #endif /* IEEE_FLOAT. */ | |
290 | ||
291 | doub = unpack_double (type, valaddr, &inv); | |
292 | if (inv) | |
293 | fprintf_filtered (stream, "<invalid float value>"); | |
294 | else | |
be3bc7ad | 295 | fprintf_filtered (stream, len <= sizeof(float) ? "%.9g" : "%.17g", doub); |
bd5635a1 RP |
296 | } |
297 | ||
298 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
299 | static void | |
300 | print_hex_chars (stream, valaddr, len) | |
301 | FILE *stream; | |
302 | unsigned char *valaddr; | |
303 | unsigned len; | |
304 | { | |
305 | unsigned char *p; | |
306 | ||
307 | fprintf_filtered (stream, "0x"); | |
308 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
309 | for (p = valaddr; | |
310 | p < valaddr + len; | |
311 | p++) | |
312 | #else /* Little endian. */ | |
313 | for (p = valaddr + len - 1; | |
314 | p >= valaddr; | |
315 | p--) | |
316 | #endif | |
317 | { | |
318 | fprintf_filtered (stream, "%02x", *p); | |
319 | } | |
320 | } | |
321 | \f | |
322 | /* Print the value VAL in C-ish syntax on stream STREAM. | |
323 | FORMAT is a format-letter, or 0 for print in natural format of data type. | |
324 | If the object printed is a string pointer, returns | |
325 | the number of string bytes printed. */ | |
326 | ||
327 | int | |
328 | value_print (val, stream, format, pretty) | |
329 | value val; | |
330 | FILE *stream; | |
2cd99985 | 331 | int format; |
bd5635a1 RP |
332 | enum val_prettyprint pretty; |
333 | { | |
334 | register unsigned int i, n, typelen; | |
335 | ||
336 | if (val == 0) | |
337 | { | |
338 | printf_filtered ("<address of value unknown>"); | |
339 | return 0; | |
340 | } | |
341 | if (VALUE_OPTIMIZED_OUT (val)) | |
342 | { | |
343 | printf_filtered ("<value optimized out>"); | |
344 | return 0; | |
345 | } | |
aec4cb91 | 346 | |
bd5635a1 RP |
347 | /* A "repeated" value really contains several values in a row. |
348 | They are made by the @ operator. | |
349 | Print such values as if they were arrays. */ | |
350 | ||
351 | else if (VALUE_REPEATED (val)) | |
352 | { | |
353 | n = VALUE_REPETITIONS (val); | |
354 | typelen = TYPE_LENGTH (VALUE_TYPE (val)); | |
355 | fprintf_filtered (stream, "{"); | |
356 | /* Print arrays of characters using string syntax. */ | |
357 | if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT | |
358 | && format == 0) | |
359 | print_string (stream, VALUE_CONTENTS (val), n, 0); | |
360 | else | |
361 | { | |
362 | unsigned int things_printed = 0; | |
363 | ||
364 | for (i = 0; i < n && things_printed < print_max; i++) | |
365 | { | |
366 | /* Position of the array element we are examining to see | |
367 | whether it is repeated. */ | |
368 | unsigned int rep1; | |
369 | /* Number of repetitions we have detected so far. */ | |
370 | unsigned int reps; | |
371 | ||
372 | if (i != 0) | |
373 | fprintf_filtered (stream, ", "); | |
374 | wrap_here (""); | |
375 | ||
376 | rep1 = i + 1; | |
377 | reps = 1; | |
378 | while (rep1 < n | |
379 | && !bcmp (VALUE_CONTENTS (val) + typelen * i, | |
380 | VALUE_CONTENTS (val) + typelen * rep1, typelen)) | |
381 | { | |
382 | ++reps; | |
383 | ++rep1; | |
384 | } | |
385 | ||
386 | if (reps > REPEAT_COUNT_THRESHOLD) | |
387 | { | |
388 | val_print (VALUE_TYPE (val), | |
389 | VALUE_CONTENTS (val) + typelen * i, | |
390 | VALUE_ADDRESS (val) + typelen * i, | |
391 | stream, format, 1, 0, pretty); | |
392 | fprintf (stream, " <repeats %u times>", reps); | |
393 | i = rep1 - 1; | |
394 | things_printed += REPEAT_COUNT_THRESHOLD; | |
395 | } | |
396 | else | |
397 | { | |
398 | val_print (VALUE_TYPE (val), | |
399 | VALUE_CONTENTS (val) + typelen * i, | |
400 | VALUE_ADDRESS (val) + typelen * i, | |
401 | stream, format, 1, 0, pretty); | |
402 | things_printed++; | |
403 | } | |
404 | } | |
405 | if (i < n) | |
406 | fprintf_filtered (stream, "..."); | |
407 | } | |
408 | fprintf_filtered (stream, "}"); | |
409 | return n * typelen; | |
410 | } | |
411 | else | |
412 | { | |
0dce3774 JK |
413 | struct type *type = VALUE_TYPE (val); |
414 | ||
bd5635a1 RP |
415 | /* If it is a pointer, indicate what it points to. |
416 | ||
417 | Print type also if it is a reference. | |
418 | ||
419 | C++: if it is a member pointer, we will take care | |
420 | of that when we print it. */ | |
0dce3774 JK |
421 | if (TYPE_CODE (type) == TYPE_CODE_PTR |
422 | || TYPE_CODE (type) == TYPE_CODE_REF) | |
bd5635a1 RP |
423 | { |
424 | /* Hack: remove (char *) for char strings. Their | |
425 | type is indicated by the quoted string anyway. */ | |
0dce3774 JK |
426 | if (TYPE_CODE (type) == TYPE_CODE_PTR |
427 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) | |
428 | && TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT | |
429 | && !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) | |
bd5635a1 RP |
430 | { |
431 | /* Print nothing */ | |
432 | } | |
433 | else | |
434 | { | |
435 | fprintf_filtered (stream, "("); | |
0dce3774 | 436 | type_print (type, "", stream, -1); |
bd5635a1 RP |
437 | fprintf_filtered (stream, ") "); |
438 | } | |
439 | } | |
0dce3774 | 440 | return val_print (type, VALUE_CONTENTS (val), |
bd5635a1 RP |
441 | VALUE_ADDRESS (val), stream, format, 1, 0, pretty); |
442 | } | |
443 | } | |
444 | ||
445 | /* Return truth value for assertion that TYPE is of the type | |
446 | "pointer to virtual function". */ | |
447 | static int | |
448 | is_vtbl_ptr_type(type) | |
449 | struct type *type; | |
450 | { | |
abefb1f1 | 451 | char *typename = type_name_no_tag (type); |
bd5635a1 | 452 | static const char vtbl_ptr_name[] = |
bcccec8c | 453 | { CPLUS_MARKER,'v','t','b','l','_','p','t','r','_','t','y','p','e', 0 }; |
bd5635a1 RP |
454 | |
455 | return (typename != NULL && !strcmp(typename, vtbl_ptr_name)); | |
456 | } | |
457 | ||
458 | /* Return truth value for the assertion that TYPE is of the type | |
459 | "pointer to virtual function table". */ | |
460 | static int | |
461 | is_vtbl_member(type) | |
462 | struct type *type; | |
463 | { | |
0dce3774 JK |
464 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
465 | type = TYPE_TARGET_TYPE (type); | |
466 | else | |
467 | return 0; | |
468 | ||
469 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY | |
470 | && TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT) | |
bd5635a1 | 471 | /* Virtual functions tables are full of pointers to virtual functions. */ |
0dce3774 | 472 | return is_vtbl_ptr_type (TYPE_TARGET_TYPE (type)); |
bd5635a1 RP |
473 | return 0; |
474 | } | |
475 | \f | |
bd5635a1 RP |
476 | /* Mutually recursive subroutines of cplus_val_print and val_print to print out |
477 | a structure's fields: val_print_fields and cplus_val_print. | |
478 | ||
479 | TYPE, VALADDR, STREAM, RECURSE, and PRETTY have the | |
480 | same meanings as in cplus_val_print and val_print. | |
481 | ||
482 | DONT_PRINT is an array of baseclass types that we | |
483 | should not print, or zero if called from top level. */ | |
2cd99985 | 484 | |
bd5635a1 RP |
485 | static void |
486 | val_print_fields (type, valaddr, stream, format, recurse, pretty, dont_print) | |
487 | struct type *type; | |
488 | char *valaddr; | |
489 | FILE *stream; | |
2cd99985 | 490 | int format; |
bd5635a1 RP |
491 | int recurse; |
492 | enum val_prettyprint pretty; | |
493 | struct type **dont_print; | |
494 | { | |
495 | int i, len, n_baseclasses; | |
496 | ||
be3bc7ad JG |
497 | check_stub_type (type); |
498 | ||
bd5635a1 RP |
499 | fprintf_filtered (stream, "{"); |
500 | len = TYPE_NFIELDS (type); | |
501 | n_baseclasses = TYPE_N_BASECLASSES (type); | |
502 | ||
503 | /* Print out baseclasses such that we don't print | |
504 | duplicates of virtual baseclasses. */ | |
505 | if (n_baseclasses > 0) | |
506 | cplus_val_print (type, valaddr, stream, format, recurse+1, pretty, dont_print); | |
507 | ||
508 | if (!len && n_baseclasses == 1) | |
509 | fprintf_filtered (stream, "<No data fields>"); | |
510 | else | |
511 | { | |
512 | extern int inspect_it; | |
513 | int fields_seen = 0; | |
514 | ||
515 | for (i = n_baseclasses; i < len; i++) | |
516 | { | |
517 | /* Check if static field */ | |
518 | if (TYPE_FIELD_STATIC (type, i)) | |
519 | continue; | |
520 | if (fields_seen) | |
521 | fprintf_filtered (stream, ", "); | |
522 | else if (n_baseclasses > 0) | |
523 | { | |
524 | fprintf_filtered (stream, "\n"); | |
525 | print_spaces_filtered (2 + 2 * recurse, stream); | |
526 | fputs_filtered ("members of ", stream); | |
527 | fputs_filtered (type_name_no_tag (type), stream); | |
528 | fputs_filtered (": ", stream); | |
529 | } | |
530 | fields_seen = 1; | |
531 | ||
532 | if (pretty) | |
533 | { | |
534 | fprintf_filtered (stream, "\n"); | |
535 | print_spaces_filtered (2 + 2 * recurse, stream); | |
536 | } | |
537 | else | |
538 | { | |
539 | wrap_here (n_spaces (2 + 2 * recurse)); | |
540 | } | |
541 | if (inspect_it) | |
542 | { | |
543 | if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR) | |
544 | fputs_filtered ("\"( ptr \"", stream); | |
545 | else | |
546 | fputs_filtered ("\"( nodef \"", stream); | |
547 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
548 | fputs_filtered ("\" \"", stream); | |
549 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
550 | fputs_filtered ("\") \"", stream); | |
551 | } | |
552 | else | |
553 | { | |
554 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
555 | fputs_filtered (" = ", stream); | |
556 | } | |
557 | if (TYPE_FIELD_PACKED (type, i)) | |
558 | { | |
f266e564 | 559 | value v; |
bd5635a1 | 560 | |
f266e564 JK |
561 | /* Bitfields require special handling, especially due to byte |
562 | order problems. */ | |
bee3c1a1 | 563 | v = value_from_longest (TYPE_FIELD_TYPE (type, i), |
f266e564 | 564 | unpack_field_as_long (type, valaddr, i)); |
bd5635a1 | 565 | |
f266e564 | 566 | val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, |
bd5635a1 RP |
567 | stream, format, 0, recurse + 1, pretty); |
568 | } | |
569 | else | |
570 | { | |
571 | val_print (TYPE_FIELD_TYPE (type, i), | |
572 | valaddr + TYPE_FIELD_BITPOS (type, i) / 8, | |
573 | 0, stream, format, 0, recurse + 1, pretty); | |
574 | } | |
575 | } | |
576 | if (pretty) | |
577 | { | |
578 | fprintf_filtered (stream, "\n"); | |
579 | print_spaces_filtered (2 * recurse, stream); | |
580 | } | |
581 | } | |
582 | fprintf_filtered (stream, "}"); | |
583 | } | |
584 | ||
585 | /* Special val_print routine to avoid printing multiple copies of virtual | |
586 | baseclasses. */ | |
587 | ||
588 | static void | |
589 | cplus_val_print (type, valaddr, stream, format, recurse, pretty, dont_print) | |
590 | struct type *type; | |
591 | char *valaddr; | |
592 | FILE *stream; | |
2cd99985 | 593 | int format; |
bd5635a1 RP |
594 | int recurse; |
595 | enum val_prettyprint pretty; | |
596 | struct type **dont_print; | |
597 | { | |
598 | struct obstack tmp_obstack; | |
599 | struct type **last_dont_print | |
600 | = (struct type **)obstack_next_free (&dont_print_obstack); | |
601 | int i, n_baseclasses = TYPE_N_BASECLASSES (type); | |
602 | ||
603 | if (dont_print == 0) | |
604 | { | |
605 | /* If we're at top level, carve out a completely fresh | |
606 | chunk of the obstack and use that until this particular | |
607 | invocation returns. */ | |
608 | tmp_obstack = dont_print_obstack; | |
609 | /* Bump up the high-water mark. Now alpha is omega. */ | |
610 | obstack_finish (&dont_print_obstack); | |
611 | } | |
612 | ||
613 | for (i = 0; i < n_baseclasses; i++) | |
614 | { | |
615 | char *baddr; | |
0dce3774 | 616 | int err; |
bd5635a1 RP |
617 | |
618 | if (BASETYPE_VIA_VIRTUAL (type, i)) | |
619 | { | |
620 | struct type **first_dont_print | |
621 | = (struct type **)obstack_base (&dont_print_obstack); | |
622 | ||
623 | int j = (struct type **)obstack_next_free (&dont_print_obstack) | |
624 | - first_dont_print; | |
625 | ||
626 | while (--j >= 0) | |
627 | if (TYPE_BASECLASS (type, i) == first_dont_print[j]) | |
628 | goto flush_it; | |
629 | ||
630 | obstack_ptr_grow (&dont_print_obstack, TYPE_BASECLASS (type, i)); | |
631 | } | |
632 | ||
0dce3774 JK |
633 | baddr = baseclass_addr (type, i, valaddr, 0, &err); |
634 | if (err == 0 && baddr == 0) | |
bd5635a1 RP |
635 | error ("could not find virtual baseclass `%s'\n", |
636 | type_name_no_tag (TYPE_BASECLASS (type, i))); | |
637 | ||
638 | fprintf_filtered (stream, "\n"); | |
639 | if (pretty) | |
640 | print_spaces_filtered (2 + 2 * recurse, stream); | |
641 | fputs_filtered ("<", stream); | |
642 | fputs_filtered (type_name_no_tag (TYPE_BASECLASS (type, i)), stream); | |
643 | fputs_filtered ("> = ", stream); | |
0dce3774 JK |
644 | if (err != 0) |
645 | fprintf_filtered (stream, "<invalid address 0x%x>", baddr); | |
646 | else | |
647 | val_print_fields (TYPE_BASECLASS (type, i), baddr, stream, format, | |
648 | recurse, pretty, | |
649 | (struct type **)obstack_base (&dont_print_obstack)); | |
bd5635a1 RP |
650 | flush_it: |
651 | ; | |
652 | } | |
653 | ||
654 | if (dont_print == 0) | |
655 | { | |
656 | /* Free the space used to deal with the printing | |
657 | of this type from top level. */ | |
658 | obstack_free (&dont_print_obstack, last_dont_print); | |
659 | /* Reset watermark so that we can continue protecting | |
660 | ourselves from whatever we were protecting ourselves. */ | |
661 | dont_print_obstack = tmp_obstack; | |
662 | } | |
663 | } | |
664 | ||
665 | /* Print data of type TYPE located at VALADDR (within GDB), | |
666 | which came from the inferior at address ADDRESS, | |
667 | onto stdio stream STREAM according to FORMAT | |
668 | (a letter or 0 for natural format). The data at VALADDR | |
669 | is in target byte order. | |
670 | ||
671 | If the data are a string pointer, returns the number of | |
672 | sting characters printed. | |
673 | ||
674 | if DEREF_REF is nonzero, then dereference references, | |
675 | otherwise just print them like pointers. | |
676 | ||
677 | The PRETTY parameter controls prettyprinting. */ | |
678 | ||
679 | int | |
2cd99985 | 680 | val_print (type, valaddr, address, stream, format, deref_ref, recurse, pretty) |
bd5635a1 RP |
681 | struct type *type; |
682 | char *valaddr; | |
683 | CORE_ADDR address; | |
684 | FILE *stream; | |
2cd99985 | 685 | int format; |
bd5635a1 RP |
686 | int deref_ref; |
687 | int recurse; | |
688 | enum val_prettyprint pretty; | |
689 | { | |
690 | register unsigned int i; | |
691 | unsigned len; | |
692 | struct type *elttype; | |
693 | unsigned eltlen; | |
694 | LONGEST val; | |
695 | unsigned char c; | |
696 | ||
697 | if (pretty == Val_pretty_default) | |
698 | { | |
699 | pretty = prettyprint ? Val_prettyprint : Val_no_prettyprint; | |
700 | } | |
701 | ||
702 | QUIT; | |
703 | ||
704 | check_stub_type (type); | |
705 | ||
706 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
707 | { | |
708 | fprintf_filtered (stream, "<unknown struct>"); | |
709 | fflush (stream); | |
710 | return 0; | |
711 | } | |
712 | ||
713 | switch (TYPE_CODE (type)) | |
714 | { | |
715 | case TYPE_CODE_ARRAY: | |
2a5ec41d | 716 | if (TYPE_LENGTH (type) > 0 |
bd5635a1 RP |
717 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) |
718 | { | |
719 | elttype = TYPE_TARGET_TYPE (type); | |
720 | eltlen = TYPE_LENGTH (elttype); | |
721 | len = TYPE_LENGTH (type) / eltlen; | |
722 | if (arrayprint) | |
723 | print_spaces_filtered (2 + 2 * recurse, stream); | |
724 | fprintf_filtered (stream, "{"); | |
725 | /* For an array of chars, print with string syntax. */ | |
726 | if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT | |
727 | && (format == 0 || format == 's') ) | |
728 | print_string (stream, valaddr, len, 0); | |
729 | else | |
730 | { | |
731 | unsigned int things_printed = 0; | |
732 | ||
0dce3774 JK |
733 | /* If this is a virtual function table, print the 0th |
734 | entry specially, and the rest of the members normally. */ | |
735 | if (is_vtbl_ptr_type (elttype)) | |
736 | { | |
737 | fprintf_filtered (stream, "%d vtable entries", len-1); | |
738 | i = 1; | |
739 | } | |
740 | else | |
741 | i = 0; | |
742 | ||
743 | for (; i < len && things_printed < print_max; i++) | |
bd5635a1 RP |
744 | { |
745 | /* Position of the array element we are examining to see | |
746 | whether it is repeated. */ | |
747 | unsigned int rep1; | |
748 | /* Number of repetitions we have detected so far. */ | |
749 | unsigned int reps; | |
750 | ||
751 | if (i != 0) | |
752 | if (arrayprint) | |
753 | { | |
754 | fprintf_filtered (stream, ",\n"); | |
755 | print_spaces_filtered (2 + 2 * recurse, stream); | |
756 | } | |
757 | else | |
758 | fprintf_filtered (stream, ", "); | |
759 | wrap_here (n_spaces (2 + 2 * recurse)); | |
760 | ||
761 | rep1 = i + 1; | |
762 | reps = 1; | |
763 | while (rep1 < len | |
764 | && !bcmp (valaddr + i * eltlen, | |
765 | valaddr + rep1 * eltlen, eltlen)) | |
766 | { | |
767 | ++reps; | |
768 | ++rep1; | |
769 | } | |
770 | ||
771 | if (reps > REPEAT_COUNT_THRESHOLD) | |
772 | { | |
773 | val_print (elttype, valaddr + i * eltlen, | |
774 | 0, stream, format, deref_ref, | |
775 | recurse + 1, pretty); | |
776 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
777 | i = rep1 - 1; | |
778 | things_printed += REPEAT_COUNT_THRESHOLD; | |
779 | } | |
780 | else | |
781 | { | |
782 | val_print (elttype, valaddr + i * eltlen, | |
783 | 0, stream, format, deref_ref, | |
784 | recurse + 1, pretty); | |
785 | things_printed++; | |
786 | } | |
787 | } | |
788 | if (i < len) | |
789 | fprintf_filtered (stream, "..."); | |
790 | } | |
791 | fprintf_filtered (stream, "}"); | |
792 | break; | |
793 | } | |
794 | /* Array of unspecified length: treat like pointer to first elt. */ | |
795 | valaddr = (char *) &address; | |
796 | ||
797 | case TYPE_CODE_PTR: | |
798 | if (format && format != 's') | |
799 | { | |
800 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
801 | break; | |
802 | } | |
803 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD) | |
804 | { | |
805 | struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)); | |
806 | struct fn_field *f; | |
807 | int j, len2; | |
808 | char *kind = ""; | |
e1ce8aa5 | 809 | CORE_ADDR addr; |
bd5635a1 | 810 | |
e1ce8aa5 JK |
811 | addr = unpack_pointer (lookup_pointer_type (builtin_type_void), |
812 | valaddr); | |
2a5ec41d | 813 | if (addr < 128) /* FIXME! What is this 128? */ |
bd5635a1 RP |
814 | { |
815 | len = TYPE_NFN_FIELDS (domain); | |
816 | for (i = 0; i < len; i++) | |
817 | { | |
818 | f = TYPE_FN_FIELDLIST1 (domain, i); | |
819 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); | |
820 | ||
821 | for (j = 0; j < len2; j++) | |
822 | { | |
823 | QUIT; | |
e1ce8aa5 | 824 | if (TYPE_FN_FIELD_VOFFSET (f, j) == addr) |
bd5635a1 RP |
825 | { |
826 | kind = "virtual"; | |
827 | goto common; | |
828 | } | |
829 | } | |
830 | } | |
831 | } | |
832 | else | |
833 | { | |
e1ce8aa5 | 834 | struct symbol *sym = find_pc_function (addr); |
bd5635a1 RP |
835 | if (sym == 0) |
836 | error ("invalid pointer to member function"); | |
837 | len = TYPE_NFN_FIELDS (domain); | |
838 | for (i = 0; i < len; i++) | |
839 | { | |
840 | f = TYPE_FN_FIELDLIST1 (domain, i); | |
841 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); | |
842 | ||
843 | for (j = 0; j < len2; j++) | |
844 | { | |
845 | QUIT; | |
846 | if (!strcmp (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))) | |
847 | goto common; | |
848 | } | |
849 | } | |
850 | } | |
851 | common: | |
852 | if (i < len) | |
853 | { | |
854 | fprintf_filtered (stream, "&"); | |
855 | type_print_varspec_prefix (TYPE_FN_FIELD_TYPE (f, j), stream, 0, 0); | |
856 | fprintf (stream, kind); | |
857 | if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_' | |
858 | && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER) | |
859 | type_print_method_args | |
860 | (TYPE_FN_FIELD_ARGS (f, j) + 1, "~", | |
861 | TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream); | |
862 | else | |
863 | type_print_method_args | |
864 | (TYPE_FN_FIELD_ARGS (f, j), "", | |
865 | TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream); | |
866 | break; | |
867 | } | |
868 | fprintf_filtered (stream, "("); | |
869 | type_print (type, "", stream, -1); | |
e1ce8aa5 | 870 | fprintf_filtered (stream, ") %d", (int) addr >> 3); |
bd5635a1 RP |
871 | } |
872 | else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER) | |
873 | { | |
874 | struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)); | |
875 | ||
876 | /* VAL is a byte offset into the structure type DOMAIN. | |
877 | Find the name of the field for that offset and | |
878 | print it. */ | |
879 | int extra = 0; | |
880 | int bits = 0; | |
881 | len = TYPE_NFIELDS (domain); | |
882 | /* @@ Make VAL into bit offset */ | |
883 | val = unpack_long (builtin_type_int, valaddr) << 3; | |
884 | for (i = TYPE_N_BASECLASSES (domain); i < len; i++) | |
885 | { | |
886 | int bitpos = TYPE_FIELD_BITPOS (domain, i); | |
887 | QUIT; | |
888 | if (val == bitpos) | |
889 | break; | |
890 | if (val < bitpos && i != 0) | |
891 | { | |
892 | /* Somehow pointing into a field. */ | |
893 | i -= 1; | |
894 | extra = (val - TYPE_FIELD_BITPOS (domain, i)); | |
2a5ec41d | 895 | if (extra & 0x7) |
bd5635a1 RP |
896 | bits = 1; |
897 | else | |
898 | extra >>= 3; | |
899 | break; | |
900 | } | |
901 | } | |
902 | if (i < len) | |
903 | { | |
904 | fprintf_filtered (stream, "&"); | |
905 | type_print_base (domain, stream, 0, 0); | |
906 | fprintf_filtered (stream, "::"); | |
907 | fputs_filtered (TYPE_FIELD_NAME (domain, i), stream); | |
908 | if (extra) | |
909 | fprintf_filtered (stream, " + %d bytes", extra); | |
910 | if (bits) | |
911 | fprintf_filtered (stream, " (offset in bits)"); | |
912 | break; | |
913 | } | |
914 | fprintf_filtered (stream, "%d", val >> 3); | |
915 | } | |
916 | else | |
917 | { | |
e1ce8aa5 | 918 | CORE_ADDR addr = unpack_pointer (type, valaddr); |
bd5635a1 RP |
919 | elttype = TYPE_TARGET_TYPE (type); |
920 | ||
921 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
922 | { | |
923 | /* Try to print what function it points to. */ | |
924 | print_address_demangle (addr, stream, demangle); | |
925 | /* Return value is irrelevant except for string pointers. */ | |
926 | return 0; | |
927 | } | |
928 | ||
929 | if (addressprint && format != 's') | |
930 | fprintf_filtered (stream, "0x%x", addr); | |
931 | ||
932 | /* For a pointer to char or unsigned char, | |
933 | also print the string pointed to, unless pointer is null. */ | |
934 | i = 0; /* Number of characters printed. */ | |
935 | if (TYPE_LENGTH (elttype) == 1 | |
936 | && TYPE_CODE (elttype) == TYPE_CODE_INT | |
937 | && (format == 0 || format == 's') | |
938 | && addr != 0 | |
939 | /* If print_max is UINT_MAX, the alloca below will fail. | |
940 | In that case don't try to print the string. */ | |
941 | && print_max < UINT_MAX) | |
942 | { | |
943 | int first_addr_err = 0; | |
944 | int errcode = 0; | |
945 | ||
946 | /* Get first character. */ | |
947 | errcode = target_read_memory (addr, (char *)&c, 1); | |
948 | if (errcode != 0) | |
949 | { | |
950 | /* First address out of bounds. */ | |
951 | first_addr_err = 1; | |
952 | } | |
953 | else | |
954 | { | |
955 | /* A real string. */ | |
956 | char *string = (char *) alloca (print_max); | |
957 | ||
958 | /* If the loop ends by us hitting print_max characters, | |
959 | we need to have elipses at the end. */ | |
960 | int force_ellipses = 1; | |
961 | ||
962 | /* This loop always fetches print_max characters, even | |
963 | though print_string might want to print more or fewer | |
964 | (with repeated characters). This is so that | |
965 | we don't spend forever fetching if we print | |
966 | a long string consisting of the same character | |
967 | repeated. Also so we can do it all in one memory | |
968 | operation, which is faster. However, this will be | |
969 | slower if print_max is set high, e.g. if you set | |
970 | print_max to 1000, not only will it take a long | |
971 | time to fetch short strings, but if you are near | |
2cd99985 | 972 | the end of the address space, it might not work. */ |
bd5635a1 RP |
973 | QUIT; |
974 | errcode = target_read_memory (addr, string, print_max); | |
2cd99985 PB |
975 | if (errcode != 0) |
976 | { | |
977 | /* Try reading just one character. If that succeeds, | |
978 | assume we hit the end of the address space, but | |
979 | the initial part of the string is probably safe. */ | |
980 | char x[1]; | |
981 | errcode = target_read_memory (addr, x, 1); | |
982 | } | |
bd5635a1 RP |
983 | if (errcode != 0) |
984 | force_ellipses = 0; | |
985 | else | |
986 | for (i = 0; i < print_max; i++) | |
987 | if (string[i] == '\0') | |
988 | { | |
989 | force_ellipses = 0; | |
990 | break; | |
991 | } | |
992 | QUIT; | |
993 | ||
994 | if (addressprint) | |
995 | fputs_filtered (" ", stream); | |
996 | print_string (stream, string, i, force_ellipses); | |
997 | } | |
998 | ||
999 | if (errcode != 0) | |
1000 | { | |
1001 | if (errcode == EIO) | |
1002 | { | |
1003 | fprintf_filtered (stream, | |
1004 | (" <Address 0x%x out of bounds>" | |
1005 | + first_addr_err), | |
1006 | addr + i); | |
1007 | } | |
1008 | else | |
1009 | { | |
1010 | if (errcode >= sys_nerr || errcode < 0) | |
1011 | error ("Error reading memory address 0x%x: unknown error (%d).", | |
1012 | addr + i, errcode); | |
1013 | else | |
1014 | error ("Error reading memory address 0x%x: %s.", | |
1015 | addr + i, sys_errlist[errcode]); | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | fflush (stream); | |
1020 | } | |
1021 | else /* print vtbl's nicely */ | |
1022 | if (is_vtbl_member(type)) | |
1023 | { | |
e1ce8aa5 | 1024 | CORE_ADDR vt_address = unpack_pointer (type, valaddr); |
bd5635a1 | 1025 | |
2cd99985 PB |
1026 | struct minimal_symbol *msymbol = |
1027 | lookup_minimal_symbol_by_pc (vt_address); | |
1028 | if ((msymbol != NULL) && (vt_address == msymbol -> address)) | |
bd5635a1 RP |
1029 | { |
1030 | fputs_filtered (" <", stream); | |
2cd99985 | 1031 | fputs_demangled (msymbol -> name, stream, 1); |
bd5635a1 RP |
1032 | fputs_filtered (">", stream); |
1033 | } | |
1034 | if (vtblprint) | |
1035 | { | |
e1ce8aa5 | 1036 | value vt_val; |
bd5635a1 | 1037 | |
e1ce8aa5 JK |
1038 | vt_val = value_at (TYPE_TARGET_TYPE (type), vt_address); |
1039 | val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val), | |
1040 | VALUE_ADDRESS (vt_val), stream, format, | |
bd5635a1 RP |
1041 | deref_ref, recurse + 1, pretty); |
1042 | if (pretty) | |
1043 | { | |
1044 | fprintf_filtered (stream, "\n"); | |
1045 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1046 | } | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | /* Return number of characters printed, plus one for the | |
1051 | terminating null if we have "reached the end". */ | |
1052 | return i + (print_max && i != print_max); | |
1053 | } | |
1054 | break; | |
1055 | ||
1056 | case TYPE_CODE_MEMBER: | |
1057 | error ("not implemented: member type in val_print"); | |
1058 | break; | |
1059 | ||
1060 | case TYPE_CODE_REF: | |
1061 | if (addressprint) | |
1062 | { | |
1063 | fprintf_filtered (stream, "@0x%lx", | |
1064 | unpack_long (builtin_type_int, valaddr)); | |
1065 | if (deref_ref) | |
1066 | fputs_filtered (": ", stream); | |
1067 | } | |
1068 | /* De-reference the reference. */ | |
1069 | if (deref_ref) | |
1070 | { | |
1071 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF) | |
1072 | { | |
e1ce8aa5 JK |
1073 | value deref_val = |
1074 | value_at | |
1075 | (TYPE_TARGET_TYPE (type), | |
1076 | unpack_pointer (lookup_pointer_type (builtin_type_void), | |
1077 | valaddr)); | |
1078 | val_print (VALUE_TYPE (deref_val), VALUE_CONTENTS (deref_val), | |
1079 | VALUE_ADDRESS (deref_val), stream, format, | |
bd5635a1 RP |
1080 | deref_ref, recurse + 1, pretty); |
1081 | } | |
1082 | else | |
1083 | fputs_filtered ("???", stream); | |
1084 | } | |
1085 | break; | |
1086 | ||
1087 | case TYPE_CODE_UNION: | |
1088 | if (recurse && !unionprint) | |
1089 | { | |
1090 | fprintf_filtered (stream, "{...}"); | |
1091 | break; | |
1092 | } | |
1093 | /* Fall through. */ | |
1094 | case TYPE_CODE_STRUCT: | |
1095 | if (vtblprint && is_vtbl_ptr_type(type)) | |
1096 | { | |
1097 | /* Print the unmangled name if desired. */ | |
1098 | print_address_demangle(*((int *) (valaddr + /* FIXME bytesex */ | |
1099 | TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)), | |
1100 | stream, demangle); | |
1101 | break; | |
1102 | } | |
1103 | val_print_fields (type, valaddr, stream, format, recurse, pretty, 0); | |
1104 | break; | |
1105 | ||
1106 | case TYPE_CODE_ENUM: | |
1107 | if (format) | |
1108 | { | |
1109 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
1110 | break; | |
1111 | } | |
1112 | len = TYPE_NFIELDS (type); | |
1113 | val = unpack_long (builtin_type_int, valaddr); | |
1114 | for (i = 0; i < len; i++) | |
1115 | { | |
1116 | QUIT; | |
1117 | if (val == TYPE_FIELD_BITPOS (type, i)) | |
1118 | break; | |
1119 | } | |
1120 | if (i < len) | |
1121 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
1122 | else | |
e1ce8aa5 JK |
1123 | #ifdef LONG_LONG |
1124 | fprintf_filtered (stream, "%lld", val); | |
1125 | #else | |
1126 | fprintf_filtered (stream, "%ld", val); | |
1127 | #endif | |
bd5635a1 RP |
1128 | break; |
1129 | ||
1130 | case TYPE_CODE_FUNC: | |
1131 | if (format) | |
1132 | { | |
1133 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
1134 | break; | |
1135 | } | |
36b9d39c JG |
1136 | /* FIXME, we should consider, at least for ANSI C language, eliminating |
1137 | the distinction made between FUNCs and POINTERs to FUNCs. */ | |
bd5635a1 RP |
1138 | fprintf_filtered (stream, "{"); |
1139 | type_print (type, "", stream, -1); | |
1140 | fprintf_filtered (stream, "} "); | |
36b9d39c JG |
1141 | /* Try to print what function it points to, and its address. */ |
1142 | print_address_demangle (address, stream, demangle); | |
bd5635a1 RP |
1143 | break; |
1144 | ||
1145 | case TYPE_CODE_INT: | |
1146 | if (format || output_format) | |
1147 | { | |
1148 | print_scalar_formatted (valaddr, type, | |
1149 | format? format: output_format, | |
1150 | 0, stream); | |
1151 | break; | |
1152 | } | |
1153 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) | |
1154 | { | |
1155 | if (TYPE_UNSIGNED (type)) | |
1156 | { | |
1157 | /* First figure out whether the number in fact has zeros | |
1158 | in all its bytes more significant than least significant | |
1159 | sizeof (LONGEST) ones. */ | |
1160 | char *p; | |
1161 | /* Pointer to first (i.e. lowest address) nonzero character. */ | |
1162 | char *first_addr; | |
e1ce8aa5 | 1163 | len = TYPE_LENGTH (type); |
bd5635a1 RP |
1164 | |
1165 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
1166 | for (p = valaddr; | |
1167 | len > sizeof (LONGEST) | |
1168 | && p < valaddr + TYPE_LENGTH (type); | |
1169 | p++) | |
1170 | #else /* Little endian. */ | |
1171 | first_addr = valaddr; | |
1172 | for (p = valaddr + TYPE_LENGTH (type); | |
1173 | len > sizeof (LONGEST) && p >= valaddr; | |
1174 | p--) | |
1175 | #endif /* Little endian. */ | |
1176 | { | |
1177 | if (*p == 0) | |
1178 | len--; | |
1179 | else | |
1180 | break; | |
1181 | } | |
1182 | #if TARGET_BYTE_ORDER == BIG_ENDIAN | |
1183 | first_addr = p; | |
1184 | #endif | |
1185 | ||
1186 | if (len <= sizeof (LONGEST)) | |
1187 | { | |
1188 | /* We can print it in decimal. */ | |
1189 | fprintf_filtered | |
1190 | (stream, | |
1191 | #if defined (LONG_LONG) | |
1192 | "%llu", | |
1193 | #else | |
1194 | "%lu", | |
1195 | #endif | |
1196 | unpack_long (BUILTIN_TYPE_LONGEST, first_addr)); | |
1197 | } | |
1198 | else | |
1199 | { | |
1200 | /* It is big, so print it in hex. */ | |
1201 | print_hex_chars (stream, (unsigned char *)first_addr, len); | |
1202 | } | |
1203 | } | |
1204 | else | |
1205 | { | |
1206 | /* Signed. One could assume two's complement (a reasonable | |
1207 | assumption, I think) and do better than this. */ | |
1208 | print_hex_chars (stream, (unsigned char *)valaddr, | |
1209 | TYPE_LENGTH (type)); | |
1210 | } | |
1211 | break; | |
1212 | } | |
1213 | #ifdef PRINT_TYPELESS_INTEGER | |
1214 | PRINT_TYPELESS_INTEGER (stream, type, unpack_long (type, valaddr)); | |
1215 | #else | |
1216 | #ifndef LONG_LONG | |
1217 | fprintf_filtered (stream, | |
1218 | TYPE_UNSIGNED (type) ? "%u" : "%d", | |
1219 | unpack_long (type, valaddr)); | |
1220 | #else | |
1221 | fprintf_filtered (stream, | |
1222 | TYPE_UNSIGNED (type) ? "%llu" : "%lld", | |
1223 | unpack_long (type, valaddr)); | |
1224 | #endif | |
1225 | #endif | |
1226 | ||
1227 | if (TYPE_LENGTH (type) == 1) | |
1228 | { | |
1229 | fprintf_filtered (stream, " '"); | |
1230 | printchar ((unsigned char) unpack_long (type, valaddr), | |
1231 | stream, '\''); | |
1232 | fprintf_filtered (stream, "'"); | |
1233 | } | |
1234 | break; | |
1235 | ||
1236 | case TYPE_CODE_FLT: | |
1237 | if (format) | |
1238 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
1239 | else | |
1240 | print_floating (valaddr, type, stream); | |
1241 | break; | |
1242 | ||
1243 | case TYPE_CODE_VOID: | |
1244 | fprintf_filtered (stream, "void"); | |
1245 | break; | |
1246 | ||
1247 | case TYPE_CODE_UNDEF: | |
1248 | /* This happens (without TYPE_FLAG_STUB set) on systems which don't use | |
1249 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" | |
1250 | and no complete type for struct foo in that file. */ | |
1251 | fprintf_filtered (stream, "<unknown struct>"); | |
1252 | break; | |
1253 | ||
1254 | case TYPE_CODE_ERROR: | |
1255 | fprintf_filtered (stream, "?"); | |
1256 | break; | |
1257 | ||
e2aab031 FF |
1258 | case TYPE_CODE_RANGE: |
1259 | /* FIXME, we should not ever have to print one of these yet. */ | |
1260 | fprintf_filtered (stream, "<range type>"); | |
1261 | break; | |
1262 | ||
bd5635a1 RP |
1263 | default: |
1264 | error ("Invalid type code in symbol table."); | |
1265 | } | |
1266 | fflush (stream); | |
1267 | return 0; | |
1268 | } | |
1269 | \f | |
be3bc7ad JG |
1270 | /* Print a description of a type in the format of a |
1271 | typedef for the current language. | |
1272 | NEW is the new name for a type TYPE. */ | |
1273 | void | |
1274 | typedef_print (type, new, stream) | |
1275 | struct type *type; | |
1276 | struct symbol *new; | |
1277 | FILE *stream; | |
1278 | { | |
1279 | switch (current_language->la_language) | |
1280 | { | |
1281 | #ifdef _LANG_c | |
1282 | case language_c: | |
7d9884b9 | 1283 | case language_cplus: |
be3bc7ad JG |
1284 | fprintf_filtered(stream, "typedef "); |
1285 | type_print(type,"",stream,0); | |
1286 | if(TYPE_NAME ((SYMBOL_TYPE (new))) == 0 | |
1287 | || 0 != strcmp (TYPE_NAME ((SYMBOL_TYPE (new))), | |
1288 | SYMBOL_NAME (new))) | |
1289 | fprintf_filtered(stream, " %s", SYMBOL_NAME(new)); | |
1290 | break; | |
1291 | #endif | |
1292 | #ifdef _LANG_m2 | |
1293 | case language_m2: | |
1294 | fprintf_filtered(stream, "TYPE "); | |
1295 | if(!TYPE_NAME(SYMBOL_TYPE(new)) || | |
1296 | strcmp (TYPE_NAME(SYMBOL_TYPE(new)), | |
1297 | SYMBOL_NAME(new))) | |
1298 | fprintf_filtered(stream, "%s = ", SYMBOL_NAME(new)); | |
1299 | else | |
1300 | fprintf_filtered(stream, "<builtin> = "); | |
1301 | type_print(type,"",stream,0); | |
1302 | break; | |
1303 | #endif | |
1304 | default: | |
1305 | error("Language not supported."); | |
1306 | } | |
1307 | fprintf_filtered(stream, ";\n"); | |
1308 | } | |
1309 | ||
1310 | ||
bd5635a1 RP |
1311 | /* Print a description of a type TYPE |
1312 | in the form of a declaration of a variable named VARSTRING. | |
1313 | (VARSTRING is demangled if necessary.) | |
1314 | Output goes to STREAM (via stdio). | |
1315 | If SHOW is positive, we show the contents of the outermost level | |
1316 | of structure even if there is a type name that could be used instead. | |
1317 | If SHOW is negative, we never show the details of elements' types. */ | |
1318 | ||
1319 | void | |
1320 | type_print (type, varstring, stream, show) | |
1321 | struct type *type; | |
1322 | char *varstring; | |
1323 | FILE *stream; | |
1324 | int show; | |
1325 | { | |
1326 | type_print_1 (type, varstring, stream, show, 0); | |
1327 | } | |
1328 | ||
1329 | /* LEVEL is the depth to indent lines by. */ | |
1330 | ||
1331 | void | |
1332 | type_print_1 (type, varstring, stream, show, level) | |
1333 | struct type *type; | |
1334 | char *varstring; | |
1335 | FILE *stream; | |
1336 | int show; | |
1337 | int level; | |
1338 | { | |
1339 | register enum type_code code; | |
1340 | type_print_base (type, stream, show, level); | |
1341 | code = TYPE_CODE (type); | |
1342 | if ((varstring && *varstring) | |
1343 | || | |
1344 | /* Need a space if going to print stars or brackets; | |
1345 | but not if we will print just a type name. */ | |
1346 | ((show > 0 || TYPE_NAME (type) == 0) | |
1347 | && | |
1348 | (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
1349 | || code == TYPE_CODE_METHOD | |
1350 | || code == TYPE_CODE_ARRAY | |
1351 | || code == TYPE_CODE_MEMBER | |
1352 | || code == TYPE_CODE_REF))) | |
1353 | fprintf_filtered (stream, " "); | |
1354 | type_print_varspec_prefix (type, stream, show, 0); | |
1355 | fputs_demangled (varstring, stream, -1); /* Print demangled name | |
1356 | without arguments */ | |
1357 | type_print_varspec_suffix (type, stream, show, 0); | |
1358 | } | |
1359 | ||
1360 | /* Print the method arguments ARGS to the file STREAM. */ | |
1361 | static void | |
1362 | type_print_method_args (args, prefix, varstring, staticp, stream) | |
1363 | struct type **args; | |
1364 | char *prefix, *varstring; | |
1365 | int staticp; | |
1366 | FILE *stream; | |
1367 | { | |
1368 | int i; | |
1369 | ||
bd5635a1 RP |
1370 | fputs_demangled (prefix, stream, 1); |
1371 | fputs_demangled (varstring, stream, 1); | |
1372 | fputs_filtered (" (", stream); | |
1373 | if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID) | |
1374 | { | |
1375 | i = !staticp; /* skip the class variable */ | |
1376 | while (1) | |
1377 | { | |
1378 | type_print (args[i++], "", stream, 0); | |
1379 | if (!args[i]) | |
1380 | { | |
1381 | fprintf_filtered (stream, " ..."); | |
1382 | break; | |
1383 | } | |
1384 | else if (args[i]->code != TYPE_CODE_VOID) | |
1385 | { | |
1386 | fprintf_filtered (stream, ", "); | |
1387 | } | |
1388 | else break; | |
1389 | } | |
1390 | } | |
1391 | fprintf_filtered (stream, ")"); | |
1392 | } | |
1393 | ||
1394 | /* If TYPE is a derived type, then print out derivation | |
1395 | information. Print out all layers of the type heirarchy | |
1396 | until we encounter one with multiple inheritance. | |
1397 | At that point, print out that ply, and return. */ | |
1398 | static void | |
1399 | type_print_derivation_info (stream, type) | |
1400 | FILE *stream; | |
1401 | struct type *type; | |
1402 | { | |
1403 | char *name; | |
1404 | int i, n_baseclasses = TYPE_N_BASECLASSES (type); | |
1405 | struct type *basetype = 0; | |
1406 | ||
1407 | while (type && n_baseclasses > 0) | |
1408 | { | |
1409 | /* Not actually sure about this one -- Bryan. */ | |
1410 | check_stub_type (type); | |
1411 | ||
1412 | fprintf_filtered (stream, ": "); | |
1413 | for (i = 0; ;) | |
1414 | { | |
1415 | basetype = TYPE_BASECLASS (type, i); | |
1416 | if (name = type_name_no_tag (basetype)) | |
1417 | { | |
1418 | fprintf_filtered (stream, "%s%s ", | |
1419 | BASETYPE_VIA_PUBLIC(type, i) ? "public" : "private", | |
1420 | BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : ""); | |
1421 | fputs_filtered (name, stream); | |
1422 | } | |
1423 | i++; | |
1424 | if (i >= n_baseclasses) | |
1425 | break; | |
1426 | fprintf_filtered (stream, ", "); | |
1427 | } | |
1428 | ||
1429 | fprintf_filtered (stream, " "); | |
1430 | if (n_baseclasses != 1) | |
1431 | break; | |
1432 | n_baseclasses = TYPE_N_BASECLASSES (basetype); | |
1433 | type = basetype; | |
1434 | } | |
1435 | } | |
1436 | ||
1437 | /* Print any asterisks or open-parentheses needed before the | |
1438 | variable name (to describe its type). | |
1439 | ||
1440 | On outermost call, pass 0 for PASSED_A_PTR. | |
1441 | On outermost call, SHOW > 0 means should ignore | |
1442 | any typename for TYPE and show its details. | |
1443 | SHOW is always zero on recursive calls. */ | |
1444 | ||
1445 | static void | |
1446 | type_print_varspec_prefix (type, stream, show, passed_a_ptr) | |
1447 | struct type *type; | |
1448 | FILE *stream; | |
1449 | int show; | |
1450 | int passed_a_ptr; | |
1451 | { | |
1452 | if (type == 0) | |
1453 | return; | |
1454 | ||
1455 | if (TYPE_NAME (type) && show <= 0) | |
1456 | return; | |
1457 | ||
1458 | QUIT; | |
1459 | ||
1460 | switch (TYPE_CODE (type)) | |
1461 | { | |
1462 | case TYPE_CODE_PTR: | |
1463 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
1464 | fprintf_filtered (stream, "*"); | |
1465 | break; | |
1466 | ||
1467 | case TYPE_CODE_MEMBER: | |
1468 | if (passed_a_ptr) | |
1469 | fprintf_filtered (stream, "("); | |
1470 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
1471 | 0); | |
1472 | fprintf_filtered (stream, " "); | |
1473 | type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, | |
1474 | passed_a_ptr); | |
1475 | fprintf_filtered (stream, "::"); | |
1476 | break; | |
1477 | ||
1478 | case TYPE_CODE_METHOD: | |
1479 | if (passed_a_ptr) | |
1480 | fprintf (stream, "("); | |
1481 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
1482 | 0); | |
0dce3774 JK |
1483 | if (passed_a_ptr) |
1484 | { | |
1485 | fprintf_filtered (stream, " "); | |
1486 | type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, | |
1487 | passed_a_ptr); | |
1488 | fprintf_filtered (stream, "::"); | |
1489 | } | |
bd5635a1 RP |
1490 | break; |
1491 | ||
1492 | case TYPE_CODE_REF: | |
1493 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
1494 | fprintf_filtered (stream, "&"); | |
1495 | break; | |
1496 | ||
1497 | case TYPE_CODE_FUNC: | |
1498 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
1499 | 0); | |
1500 | if (passed_a_ptr) | |
1501 | fprintf_filtered (stream, "("); | |
1502 | break; | |
1503 | ||
1504 | case TYPE_CODE_ARRAY: | |
1505 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
1506 | 0); | |
1507 | if (passed_a_ptr) | |
1508 | fprintf_filtered (stream, "("); | |
2a5ec41d | 1509 | break; |
bd5635a1 RP |
1510 | |
1511 | case TYPE_CODE_UNDEF: | |
1512 | case TYPE_CODE_STRUCT: | |
1513 | case TYPE_CODE_UNION: | |
1514 | case TYPE_CODE_ENUM: | |
1515 | case TYPE_CODE_INT: | |
1516 | case TYPE_CODE_FLT: | |
1517 | case TYPE_CODE_VOID: | |
1518 | case TYPE_CODE_ERROR: | |
7d9884b9 JG |
1519 | case TYPE_CODE_CHAR: |
1520 | case TYPE_CODE_BOOL: | |
bd5635a1 RP |
1521 | /* These types need no prefix. They are listed here so that |
1522 | gcc -Wall will reveal any types that haven't been handled. */ | |
1523 | break; | |
1524 | } | |
1525 | } | |
1526 | ||
1527 | /* Print any array sizes, function arguments or close parentheses | |
1528 | needed after the variable name (to describe its type). | |
1529 | Args work like type_print_varspec_prefix. */ | |
1530 | ||
1531 | static void | |
1532 | type_print_varspec_suffix (type, stream, show, passed_a_ptr) | |
1533 | struct type *type; | |
1534 | FILE *stream; | |
1535 | int show; | |
1536 | int passed_a_ptr; | |
1537 | { | |
1538 | if (type == 0) | |
1539 | return; | |
1540 | ||
1541 | if (TYPE_NAME (type) && show <= 0) | |
1542 | return; | |
1543 | ||
1544 | QUIT; | |
1545 | ||
1546 | switch (TYPE_CODE (type)) | |
1547 | { | |
1548 | case TYPE_CODE_ARRAY: | |
1549 | if (passed_a_ptr) | |
1550 | fprintf_filtered (stream, ")"); | |
1551 | ||
1552 | fprintf_filtered (stream, "["); | |
bee3c1a1 JG |
1553 | if (TYPE_LENGTH (type) > 0 |
1554 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) | |
bd5635a1 RP |
1555 | fprintf_filtered (stream, "%d", |
1556 | (TYPE_LENGTH (type) | |
1557 | / TYPE_LENGTH (TYPE_TARGET_TYPE (type)))); | |
1558 | fprintf_filtered (stream, "]"); | |
1559 | ||
1560 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
1561 | 0); | |
1562 | break; | |
1563 | ||
1564 | case TYPE_CODE_MEMBER: | |
1565 | if (passed_a_ptr) | |
1566 | fprintf_filtered (stream, ")"); | |
1567 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
1568 | break; | |
1569 | ||
1570 | case TYPE_CODE_METHOD: | |
1571 | if (passed_a_ptr) | |
1572 | fprintf_filtered (stream, ")"); | |
1573 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
1574 | if (passed_a_ptr) | |
1575 | { | |
1576 | int i; | |
1577 | struct type **args = TYPE_ARG_TYPES (type); | |
1578 | ||
1579 | fprintf_filtered (stream, "("); | |
1580 | if (args[1] == 0) | |
1581 | fprintf_filtered (stream, "..."); | |
1582 | else for (i = 1; args[i] != 0 && args[i]->code != TYPE_CODE_VOID; i++) | |
1583 | { | |
1584 | type_print_1 (args[i], "", stream, -1, 0); | |
1585 | if (args[i+1] == 0) | |
1586 | fprintf_filtered (stream, "..."); | |
8ffd75c8 | 1587 | else if (args[i+1]->code != TYPE_CODE_VOID) { |
bd5635a1 | 1588 | fprintf_filtered (stream, ","); |
8ffd75c8 JG |
1589 | wrap_here (" "); |
1590 | } | |
bd5635a1 RP |
1591 | } |
1592 | fprintf_filtered (stream, ")"); | |
1593 | } | |
1594 | break; | |
1595 | ||
1596 | case TYPE_CODE_PTR: | |
1597 | case TYPE_CODE_REF: | |
1598 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
1599 | break; | |
1600 | ||
1601 | case TYPE_CODE_FUNC: | |
1602 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
1603 | passed_a_ptr); | |
1604 | if (passed_a_ptr) | |
1605 | fprintf_filtered (stream, ")"); | |
1606 | fprintf_filtered (stream, "()"); | |
1607 | break; | |
1608 | ||
1609 | case TYPE_CODE_UNDEF: | |
1610 | case TYPE_CODE_STRUCT: | |
1611 | case TYPE_CODE_UNION: | |
1612 | case TYPE_CODE_ENUM: | |
1613 | case TYPE_CODE_INT: | |
1614 | case TYPE_CODE_FLT: | |
1615 | case TYPE_CODE_VOID: | |
1616 | case TYPE_CODE_ERROR: | |
7d9884b9 JG |
1617 | case TYPE_CODE_CHAR: |
1618 | case TYPE_CODE_BOOL: | |
bd5635a1 RP |
1619 | /* These types do not need a suffix. They are listed so that |
1620 | gcc -Wall will report types that may not have been considered. */ | |
1621 | break; | |
1622 | } | |
1623 | } | |
1624 | ||
1625 | /* Print the name of the type (or the ultimate pointer target, | |
1626 | function value or array element), or the description of a | |
1627 | structure or union. | |
1628 | ||
1629 | SHOW nonzero means don't print this type as just its name; | |
1630 | show its real definition even if it has a name. | |
1631 | SHOW zero means print just typename or struct tag if there is one | |
1632 | SHOW negative means abbreviate structure elements. | |
1633 | SHOW is decremented for printing of structure elements. | |
1634 | ||
1635 | LEVEL is the depth to indent by. | |
1636 | We increase it for some recursive calls. */ | |
1637 | ||
1638 | static void | |
1639 | type_print_base (type, stream, show, level) | |
1640 | struct type *type; | |
1641 | FILE *stream; | |
1642 | int show; | |
1643 | int level; | |
1644 | { | |
1645 | char *name; | |
1646 | register int i; | |
1647 | register int len; | |
1648 | register int lastval; | |
1649 | ||
1650 | QUIT; | |
1651 | ||
8ffd75c8 | 1652 | wrap_here (" "); |
bd5635a1 RP |
1653 | if (type == 0) |
1654 | { | |
e2aab031 | 1655 | fprintf_filtered (stream, "<type unknown>"); |
bd5635a1 RP |
1656 | return; |
1657 | } | |
1658 | ||
1659 | if (TYPE_NAME (type) && show <= 0) | |
1660 | { | |
1661 | fputs_filtered (TYPE_NAME (type), stream); | |
1662 | return; | |
1663 | } | |
1664 | ||
1665 | switch (TYPE_CODE (type)) | |
1666 | { | |
1667 | case TYPE_CODE_ARRAY: | |
1668 | case TYPE_CODE_PTR: | |
1669 | case TYPE_CODE_MEMBER: | |
1670 | case TYPE_CODE_REF: | |
1671 | case TYPE_CODE_FUNC: | |
1672 | case TYPE_CODE_METHOD: | |
1673 | type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
1674 | break; | |
1675 | ||
1676 | case TYPE_CODE_STRUCT: | |
1677 | fprintf_filtered (stream, "struct "); | |
1678 | goto struct_union; | |
1679 | ||
1680 | case TYPE_CODE_UNION: | |
1681 | fprintf_filtered (stream, "union "); | |
1682 | struct_union: | |
1683 | if (name = type_name_no_tag (type)) | |
1684 | { | |
1685 | fputs_filtered (name, stream); | |
1686 | fputs_filtered (" ", stream); | |
8ffd75c8 | 1687 | wrap_here (" "); |
bd5635a1 RP |
1688 | } |
1689 | if (show < 0) | |
1690 | fprintf_filtered (stream, "{...}"); | |
1691 | else | |
1692 | { | |
1693 | check_stub_type (type); | |
1694 | ||
1695 | type_print_derivation_info (stream, type); | |
1696 | ||
1697 | fprintf_filtered (stream, "{"); | |
1698 | len = TYPE_NFIELDS (type); | |
1699 | if (len) | |
1700 | fprintf_filtered (stream, "\n"); | |
1701 | else | |
1702 | { | |
1703 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
1704 | fprintf_filtered (stream, "<incomplete type>\n"); | |
1705 | else | |
1706 | fprintf_filtered (stream, "<no data fields>\n"); | |
1707 | } | |
1708 | ||
1709 | /* If there is a base class for this type, | |
1710 | do not print the field that it occupies. */ | |
1711 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) | |
1712 | { | |
1713 | QUIT; | |
1714 | /* Don't print out virtual function table. */ | |
1715 | if ((TYPE_FIELD_NAME (type, i))[5] == CPLUS_MARKER && | |
1716 | !strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5)) | |
1717 | continue; | |
1718 | ||
1719 | print_spaces_filtered (level + 4, stream); | |
1720 | if (TYPE_FIELD_STATIC (type, i)) | |
1721 | { | |
1722 | fprintf_filtered (stream, "static "); | |
1723 | } | |
1724 | type_print_1 (TYPE_FIELD_TYPE (type, i), | |
1725 | TYPE_FIELD_NAME (type, i), | |
1726 | stream, show - 1, level + 4); | |
1727 | if (!TYPE_FIELD_STATIC (type, i) | |
1728 | && TYPE_FIELD_PACKED (type, i)) | |
1729 | { | |
1730 | /* It is a bitfield. This code does not attempt | |
1731 | to look at the bitpos and reconstruct filler, | |
1732 | unnamed fields. This would lead to misleading | |
1733 | results if the compiler does not put out fields | |
1734 | for such things (I don't know what it does). */ | |
1735 | fprintf_filtered (stream, " : %d", | |
1736 | TYPE_FIELD_BITSIZE (type, i)); | |
1737 | } | |
1738 | fprintf_filtered (stream, ";\n"); | |
1739 | } | |
1740 | ||
1741 | /* C++: print out the methods */ | |
1742 | len = TYPE_NFN_FIELDS (type); | |
1743 | if (len) fprintf_filtered (stream, "\n"); | |
1744 | for (i = 0; i < len; i++) | |
1745 | { | |
1746 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
1747 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
24b2fbdc | 1748 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); |
2cd99985 | 1749 | int is_constructor = name && strcmp(method_name, name) == 0; |
bd5635a1 RP |
1750 | for (j = 0; j < len2; j++) |
1751 | { | |
1752 | QUIT; | |
1753 | print_spaces_filtered (level + 4, stream); | |
1754 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) | |
1755 | fprintf_filtered (stream, "virtual "); | |
1756 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
1757 | fprintf_filtered (stream, "static "); | |
aec4cb91 MT |
1758 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) |
1759 | { | |
1760 | /* Keep GDB from crashing here. */ | |
1761 | fprintf (stream, "<undefined type> %s;\n", | |
1762 | TYPE_FN_FIELD_PHYSNAME (f, j)); | |
1763 | break; | |
1764 | } | |
24b2fbdc PB |
1765 | else if (!is_constructor) |
1766 | { | |
1767 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
1768 | "", stream, 0); | |
1769 | fputs_filtered (" ", stream); | |
1770 | } | |
1771 | if (TYPE_FN_FIELD_STUB (f, j)) | |
bd5635a1 RP |
1772 | { |
1773 | /* Build something we can demangle. */ | |
bcccec8c PB |
1774 | char *mangled_name = gdb_mangle_name (type, i, j); |
1775 | char *demangled_name = cplus_demangle (mangled_name, 1); | |
bd5635a1 | 1776 | if (demangled_name == 0) |
24b2fbdc | 1777 | fprintf_filtered (stream, "<badly mangled name %s>", |
bd5635a1 RP |
1778 | mangled_name); |
1779 | else | |
1780 | { | |
24b2fbdc | 1781 | fprintf_filtered (stream, "%s", |
bd5635a1 RP |
1782 | strchr (demangled_name, ':') + 2); |
1783 | free (demangled_name); | |
1784 | } | |
1785 | free (mangled_name); | |
1786 | } | |
1787 | else if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_' | |
1788 | && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER) | |
1789 | type_print_method_args | |
1790 | (TYPE_FN_FIELD_ARGS (f, j) + 1, "~", | |
24b2fbdc | 1791 | method_name, 0, stream); |
bd5635a1 RP |
1792 | else |
1793 | type_print_method_args | |
1794 | (TYPE_FN_FIELD_ARGS (f, j), "", | |
24b2fbdc | 1795 | method_name, |
bd5635a1 RP |
1796 | TYPE_FN_FIELD_STATIC_P (f, j), stream); |
1797 | ||
1798 | fprintf_filtered (stream, ";\n"); | |
1799 | } | |
1800 | } | |
1801 | ||
1802 | print_spaces_filtered (level, stream); | |
1803 | fprintf_filtered (stream, "}"); | |
1804 | } | |
1805 | break; | |
1806 | ||
1807 | case TYPE_CODE_ENUM: | |
1808 | fprintf_filtered (stream, "enum "); | |
1809 | if (name = type_name_no_tag (type)) | |
1810 | { | |
1811 | fputs_filtered (name, stream); | |
1812 | fputs_filtered (" ", stream); | |
1813 | } | |
8ffd75c8 | 1814 | wrap_here (" "); |
bd5635a1 RP |
1815 | if (show < 0) |
1816 | fprintf_filtered (stream, "{...}"); | |
1817 | else | |
1818 | { | |
1819 | fprintf_filtered (stream, "{"); | |
1820 | len = TYPE_NFIELDS (type); | |
1821 | lastval = 0; | |
1822 | for (i = 0; i < len; i++) | |
1823 | { | |
1824 | QUIT; | |
1825 | if (i) fprintf_filtered (stream, ", "); | |
8ffd75c8 | 1826 | wrap_here (" "); |
bd5635a1 RP |
1827 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
1828 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
1829 | { | |
1830 | fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i)); | |
1831 | lastval = TYPE_FIELD_BITPOS (type, i); | |
1832 | } | |
1833 | lastval++; | |
1834 | } | |
1835 | fprintf_filtered (stream, "}"); | |
1836 | } | |
1837 | break; | |
1838 | ||
1839 | case TYPE_CODE_INT: | |
bee3c1a1 JG |
1840 | name = 0; |
1841 | if (TYPE_LENGTH (type) <= sizeof (LONGEST)) | |
bd5635a1 RP |
1842 | { |
1843 | if (TYPE_UNSIGNED (type)) | |
1844 | name = unsigned_type_table[TYPE_LENGTH (type)]; | |
1845 | else | |
1846 | name = signed_type_table[TYPE_LENGTH (type)]; | |
1847 | } | |
bee3c1a1 JG |
1848 | if (name) |
1849 | fputs_filtered (name, stream); | |
1850 | else | |
1851 | fprintf_filtered (stream, "<%d bit integer>", | |
1852 | TYPE_LENGTH (type) * TARGET_CHAR_BIT); | |
bd5635a1 RP |
1853 | break; |
1854 | ||
1855 | case TYPE_CODE_FLT: | |
1856 | name = float_type_table[TYPE_LENGTH (type)]; | |
1857 | fputs_filtered (name, stream); | |
1858 | break; | |
1859 | ||
1860 | case TYPE_CODE_VOID: | |
1861 | fprintf_filtered (stream, "void"); | |
1862 | break; | |
1863 | ||
e2aab031 FF |
1864 | case TYPE_CODE_UNDEF: |
1865 | fprintf_filtered (stream, "struct <unknown>"); | |
bd5635a1 RP |
1866 | break; |
1867 | ||
1868 | case TYPE_CODE_ERROR: | |
1869 | fprintf_filtered (stream, "<unknown type>"); | |
1870 | break; | |
1871 | ||
e2aab031 FF |
1872 | case TYPE_CODE_RANGE: |
1873 | /* This should not occur */ | |
1874 | fprintf_filtered (stream, "<range type>"); | |
1875 | break; | |
1876 | ||
bd5635a1 RP |
1877 | default: |
1878 | error ("Invalid type code in symbol table."); | |
1879 | } | |
1880 | } | |
1881 | \f | |
e1ce8aa5 | 1882 | #if 0 |
bd5635a1 RP |
1883 | /* Validate an input or output radix setting, and make sure the user |
1884 | knows what they really did here. Radix setting is confusing, e.g. | |
1885 | setting the input radix to "10" never changes it! */ | |
1886 | ||
e1ce8aa5 | 1887 | /* ARGSUSED */ |
bd5635a1 RP |
1888 | static void |
1889 | set_input_radix (args, from_tty, c) | |
1890 | char *args; | |
1891 | int from_tty; | |
1892 | struct cmd_list_element *c; | |
1893 | { | |
1894 | unsigned radix = *(unsigned *)c->var; | |
1895 | ||
1896 | if (from_tty) | |
1897 | printf_filtered ("Input radix set to decimal %d, hex %x, octal %o\n", | |
1898 | radix, radix, radix); | |
1899 | } | |
e1ce8aa5 | 1900 | #endif |
bd5635a1 | 1901 | |
e1ce8aa5 | 1902 | /* ARGSUSED */ |
bd5635a1 RP |
1903 | static void |
1904 | set_output_radix (args, from_tty, c) | |
1905 | char *args; | |
1906 | int from_tty; | |
1907 | struct cmd_list_element *c; | |
1908 | { | |
1909 | unsigned radix = *(unsigned *)c->var; | |
1910 | ||
1911 | if (from_tty) | |
1912 | printf_filtered ("Output radix set to decimal %d, hex %x, octal %o\n", | |
1913 | radix, radix, radix); | |
1914 | ||
1915 | /* FIXME, we really should be able to validate the setting BEFORE | |
1916 | it takes effect. */ | |
1917 | switch (radix) | |
1918 | { | |
1919 | case 16: | |
1920 | output_format = 'x'; | |
1921 | break; | |
1922 | case 10: | |
1923 | output_format = 0; | |
1924 | break; | |
1925 | case 8: | |
1926 | output_format = 'o'; /* octal */ | |
1927 | break; | |
1928 | default: | |
1929 | output_format = 0; | |
1930 | error ("Unsupported radix ``decimal %d''; using decimal output", | |
1931 | radix); | |
1932 | } | |
1933 | } | |
1934 | ||
1935 | /* Both at once */ | |
1936 | static void | |
1937 | set_radix (arg, from_tty, c) | |
1938 | char *arg; | |
1939 | int from_tty; | |
1940 | struct cmd_list_element *c; | |
1941 | { | |
1942 | unsigned radix = *(unsigned *)c->var; | |
1943 | ||
1944 | if (from_tty) | |
1945 | printf_filtered ("Radix set to decimal %d, hex %x, octal %o\n", | |
1946 | radix, radix, radix); | |
1947 | ||
1948 | input_radix = radix; | |
1949 | output_radix = radix; | |
1950 | ||
1951 | set_output_radix (arg, 0, c); | |
1952 | } | |
1953 | \f | |
f266e564 JK |
1954 | struct cmd_list_element *setprintlist = NULL; |
1955 | struct cmd_list_element *showprintlist = NULL; | |
1956 | ||
1957 | /*ARGSUSED*/ | |
1958 | static void | |
1959 | set_print (arg, from_tty) | |
1960 | char *arg; | |
1961 | int from_tty; | |
1962 | { | |
1963 | printf ( | |
1964 | "\"set print\" must be followed by the name of a print subcommand.\n"); | |
1965 | help_list (setprintlist, "set print ", -1, stdout); | |
1966 | } | |
1967 | ||
1968 | /*ARGSUSED*/ | |
1969 | static void | |
1970 | show_print (args, from_tty) | |
1971 | char *args; | |
1972 | int from_tty; | |
1973 | { | |
1974 | cmd_show_list (showprintlist, from_tty, ""); | |
1975 | } | |
1976 | \f | |
bd5635a1 RP |
1977 | void |
1978 | _initialize_valprint () | |
1979 | { | |
1980 | struct cmd_list_element *c; | |
1981 | ||
f266e564 JK |
1982 | add_prefix_cmd ("print", no_class, set_print, |
1983 | "Generic command for setting how things print.", | |
1984 | &setprintlist, "set print ", 0, &setlist); | |
36b9d39c JG |
1985 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
1986 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); /* prefer set print | |
1987 | to set prompt */ | |
f266e564 JK |
1988 | add_prefix_cmd ("print", no_class, show_print, |
1989 | "Generic command for showing print settings.", | |
1990 | &showprintlist, "show print ", 0, &showlist); | |
36b9d39c JG |
1991 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
1992 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
f266e564 | 1993 | |
bd5635a1 | 1994 | add_show_from_set |
f266e564 | 1995 | (add_set_cmd ("elements", no_class, var_uinteger, (char *)&print_max, |
bd5635a1 | 1996 | "Set limit on string chars or array elements to print.\n\ |
f266e564 JK |
1997 | \"set print elements 0\" causes there to be no limit.", |
1998 | &setprintlist), | |
1999 | &showprintlist); | |
bd5635a1 RP |
2000 | |
2001 | add_show_from_set | |
f266e564 | 2002 | (add_set_cmd ("pretty", class_support, var_boolean, (char *)&prettyprint, |
bd5635a1 | 2003 | "Set prettyprinting of structures.", |
f266e564 JK |
2004 | &setprintlist), |
2005 | &showprintlist); | |
bd5635a1 RP |
2006 | |
2007 | add_show_from_set | |
f266e564 | 2008 | (add_set_cmd ("union", class_support, var_boolean, (char *)&unionprint, |
bd5635a1 | 2009 | "Set printing of unions interior to structures.", |
f266e564 JK |
2010 | &setprintlist), |
2011 | &showprintlist); | |
bd5635a1 RP |
2012 | |
2013 | add_show_from_set | |
f266e564 | 2014 | (add_set_cmd ("vtbl", class_support, var_boolean, (char *)&vtblprint, |
bd5635a1 | 2015 | "Set printing of C++ virtual function tables.", |
f266e564 JK |
2016 | &setprintlist), |
2017 | &showprintlist); | |
bd5635a1 RP |
2018 | |
2019 | add_show_from_set | |
f266e564 | 2020 | (add_set_cmd ("array", class_support, var_boolean, (char *)&arrayprint, |
bd5635a1 | 2021 | "Set prettyprinting of arrays.", |
f266e564 JK |
2022 | &setprintlist), |
2023 | &showprintlist); | |
bd5635a1 | 2024 | |
0dce3774 JK |
2025 | add_show_from_set |
2026 | (add_set_cmd ("object", class_support, var_boolean, (char *)&objectprint, | |
2027 | "Set printing of object's derived type based on vtable info.", | |
2028 | &setprintlist), | |
2029 | &showprintlist); | |
2030 | ||
bd5635a1 | 2031 | add_show_from_set |
f266e564 | 2032 | (add_set_cmd ("address", class_support, var_boolean, (char *)&addressprint, |
bd5635a1 | 2033 | "Set printing of addresses.", |
f266e564 JK |
2034 | &setprintlist), |
2035 | &showprintlist); | |
bd5635a1 RP |
2036 | |
2037 | #if 0 | |
2038 | /* The "show radix" cmd isn't good enough to show two separate values. | |
2039 | The rest of the code works, but the show part is confusing, so don't | |
2040 | let them be set separately 'til we work out "show". */ | |
2041 | c = add_set_cmd ("input-radix", class_support, var_uinteger, | |
2042 | (char *)&input_radix, | |
2043 | "Set default input radix for entering numbers.", | |
2044 | &setlist); | |
2045 | add_show_from_set (c, &showlist); | |
2046 | c->function = set_input_radix; | |
2047 | ||
2048 | c = add_set_cmd ("output-radix", class_support, var_uinteger, | |
2049 | (char *)&output_radix, | |
2050 | "Set default output radix for printing of values.", | |
2051 | &setlist); | |
2052 | add_show_from_set (c, &showlist); | |
2053 | c->function = set_output_radix; | |
2054 | #endif | |
2055 | ||
2056 | c = add_set_cmd ("radix", class_support, var_uinteger, | |
2057 | (char *)&output_radix, | |
2058 | "Set default input and output number radix.", | |
2059 | &setlist); | |
2060 | add_show_from_set (c, &showlist); | |
2cd99985 | 2061 | c->function.sfunc = set_radix; |
bd5635a1 RP |
2062 | |
2063 | /* Give people the defaults which they are used to. */ | |
2064 | prettyprint = 0; | |
2065 | unionprint = 1; | |
2066 | vtblprint = 0; | |
2067 | arrayprint = 0; | |
2068 | addressprint = 1; | |
0dce3774 | 2069 | objectprint = 0; |
bd5635a1 RP |
2070 | |
2071 | print_max = 200; | |
2072 | ||
e2aab031 FF |
2073 | /* Initialize the names of the various types based on their lengths on |
2074 | the target, in bits. Note that ordering is important, so that for example, | |
2075 | if ints and longs are the same size, that size will default to "int". */ | |
2076 | ||
2077 | unsigned_type_table = (char **) | |
2078 | xmalloc ((1 + (TARGET_LONG_LONG_BIT/TARGET_CHAR_BIT)) * sizeof (char *)); | |
2079 | bzero (unsigned_type_table, (1 + (TARGET_LONG_LONG_BIT/TARGET_CHAR_BIT))); | |
2080 | unsigned_type_table[TARGET_CHAR_BIT/TARGET_CHAR_BIT] = "unsigned char"; | |
2081 | unsigned_type_table[TARGET_SHORT_BIT/TARGET_CHAR_BIT] = "unsigned short"; | |
2082 | unsigned_type_table[TARGET_LONG_LONG_BIT/TARGET_CHAR_BIT] = "unsigned long long"; | |
2083 | unsigned_type_table[TARGET_LONG_BIT/TARGET_CHAR_BIT] = "unsigned long"; | |
2084 | unsigned_type_table[TARGET_INT_BIT/TARGET_CHAR_BIT] = "unsigned int"; | |
2085 | ||
2086 | signed_type_table = (char **) | |
2087 | xmalloc ((1 + (TARGET_LONG_LONG_BIT/TARGET_CHAR_BIT)) * sizeof (char *)); | |
2088 | bzero (signed_type_table, (1 + (TARGET_LONG_LONG_BIT/TARGET_CHAR_BIT))); | |
2089 | signed_type_table[TARGET_CHAR_BIT/TARGET_CHAR_BIT] = "char"; | |
2090 | signed_type_table[TARGET_SHORT_BIT/TARGET_CHAR_BIT] = "short"; | |
bee3c1a1 | 2091 | signed_type_table[TARGET_LONG_LONG_BIT/TARGET_CHAR_BIT] = "long long"; |
e2aab031 FF |
2092 | signed_type_table[TARGET_LONG_BIT/TARGET_CHAR_BIT] = "long"; |
2093 | signed_type_table[TARGET_INT_BIT/TARGET_CHAR_BIT] = "int"; | |
2094 | ||
2095 | float_type_table = (char **) | |
2096 | xmalloc ((1 + (TARGET_LONG_DOUBLE_BIT/TARGET_CHAR_BIT)) * sizeof (char *)); | |
2097 | bzero (float_type_table, (1 + (TARGET_LONG_DOUBLE_BIT/TARGET_CHAR_BIT))); | |
2098 | float_type_table[TARGET_FLOAT_BIT/TARGET_CHAR_BIT] = "float"; | |
2099 | float_type_table[TARGET_DOUBLE_COMPLEX_BIT/TARGET_CHAR_BIT] = "double complex"; | |
2100 | float_type_table[TARGET_COMPLEX_BIT/TARGET_CHAR_BIT] = "complex"; | |
2101 | float_type_table[TARGET_LONG_DOUBLE_BIT/TARGET_CHAR_BIT] = "long double"; | |
2102 | float_type_table[TARGET_DOUBLE_BIT/TARGET_CHAR_BIT] = "double"; | |
bd5635a1 | 2103 | |
bd5635a1 RP |
2104 | obstack_begin (&dont_print_obstack, 32 * sizeof (struct type *)); |
2105 | } |