File: | src/gnu/usr.bin/binutils-2.17/binutils/debug.c |
Warning: | line 3157, column 7 Value stored to 'ret' is never read |
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1 | /* debug.c -- Handle generic debugging information. |
2 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003 |
3 | Free Software Foundation, Inc. |
4 | Written by Ian Lance Taylor <ian@cygnus.com>. |
5 | |
6 | This file is part of GNU Binutils. |
7 | |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by |
10 | the Free Software Foundation; either version 2 of the License, or |
11 | (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ |
22 | |
23 | /* This file implements a generic debugging format. We may eventually |
24 | have readers which convert different formats into this generic |
25 | format, and writers which write it out. The initial impetus for |
26 | this was writing a converter from stabs to HP IEEE-695 debugging |
27 | format. */ |
28 | |
29 | #include <stdio.h> |
30 | #include <assert.h> |
31 | |
32 | #include "bfd.h" |
33 | #include "bucomm.h" |
34 | #include "libiberty.h" |
35 | #include "debug.h" |
36 | |
37 | /* Global information we keep for debugging. A pointer to this |
38 | structure is the debugging handle passed to all the routines. */ |
39 | |
40 | struct debug_handle |
41 | { |
42 | /* A linked list of compilation units. */ |
43 | struct debug_unit *units; |
44 | /* The current compilation unit. */ |
45 | struct debug_unit *current_unit; |
46 | /* The current source file. */ |
47 | struct debug_file *current_file; |
48 | /* The current function. */ |
49 | struct debug_function *current_function; |
50 | /* The current block. */ |
51 | struct debug_block *current_block; |
52 | /* The current line number information for the current unit. */ |
53 | struct debug_lineno *current_lineno; |
54 | /* Mark. This is used by debug_write. */ |
55 | unsigned int mark; |
56 | /* A struct/class ID used by debug_write. */ |
57 | unsigned int class_id; |
58 | /* The base for class_id for this call to debug_write. */ |
59 | unsigned int base_id; |
60 | /* The current line number in debug_write. */ |
61 | struct debug_lineno *current_write_lineno; |
62 | unsigned int current_write_lineno_index; |
63 | /* A list of classes which have assigned ID's during debug_write. |
64 | This is linked through the next_id field of debug_class_type. */ |
65 | struct debug_class_id *id_list; |
66 | /* A list used to avoid recursion during debug_type_samep. */ |
67 | struct debug_type_compare_list *compare_list; |
68 | }; |
69 | |
70 | /* Information we keep for a single compilation unit. */ |
71 | |
72 | struct debug_unit |
73 | { |
74 | /* The next compilation unit. */ |
75 | struct debug_unit *next; |
76 | /* A list of files included in this compilation unit. The first |
77 | file is always the main one, and that is where the main file name |
78 | is stored. */ |
79 | struct debug_file *files; |
80 | /* Line number information for this compilation unit. This is not |
81 | stored by function, because assembler code may have line number |
82 | information without function information. */ |
83 | struct debug_lineno *linenos; |
84 | }; |
85 | |
86 | /* Information kept for a single source file. */ |
87 | |
88 | struct debug_file |
89 | { |
90 | /* The next source file in this compilation unit. */ |
91 | struct debug_file *next; |
92 | /* The name of the source file. */ |
93 | const char *filename; |
94 | /* Global functions, variables, types, etc. */ |
95 | struct debug_namespace *globals; |
96 | }; |
97 | |
98 | /* A type. */ |
99 | |
100 | struct debug_type |
101 | { |
102 | /* Kind of type. */ |
103 | enum debug_type_kind kind; |
104 | /* Size of type (0 if not known). */ |
105 | unsigned int size; |
106 | /* Type which is a pointer to this type. */ |
107 | debug_type pointer; |
108 | /* Tagged union with additional information about the type. */ |
109 | union |
110 | { |
111 | /* DEBUG_KIND_INDIRECT. */ |
112 | struct debug_indirect_type *kindirect; |
113 | /* DEBUG_KIND_INT. */ |
114 | /* Whether the integer is unsigned. */ |
115 | bfd_boolean kint; |
116 | /* DEBUG_KIND_STRUCT, DEBUG_KIND_UNION, DEBUG_KIND_CLASS, |
117 | DEBUG_KIND_UNION_CLASS. */ |
118 | struct debug_class_type *kclass; |
119 | /* DEBUG_KIND_ENUM. */ |
120 | struct debug_enum_type *kenum; |
121 | /* DEBUG_KIND_POINTER. */ |
122 | struct debug_type *kpointer; |
123 | /* DEBUG_KIND_FUNCTION. */ |
124 | struct debug_function_type *kfunction; |
125 | /* DEBUG_KIND_REFERENCE. */ |
126 | struct debug_type *kreference; |
127 | /* DEBUG_KIND_RANGE. */ |
128 | struct debug_range_type *krange; |
129 | /* DEBUG_KIND_ARRAY. */ |
130 | struct debug_array_type *karray; |
131 | /* DEBUG_KIND_SET. */ |
132 | struct debug_set_type *kset; |
133 | /* DEBUG_KIND_OFFSET. */ |
134 | struct debug_offset_type *koffset; |
135 | /* DEBUG_KIND_METHOD. */ |
136 | struct debug_method_type *kmethod; |
137 | /* DEBUG_KIND_CONST. */ |
138 | struct debug_type *kconst; |
139 | /* DEBUG_KIND_VOLATILE. */ |
140 | struct debug_type *kvolatile; |
141 | /* DEBUG_KIND_NAMED, DEBUG_KIND_TAGGED. */ |
142 | struct debug_named_type *knamed; |
143 | } u; |
144 | }; |
145 | |
146 | /* Information kept for an indirect type. */ |
147 | |
148 | struct debug_indirect_type |
149 | { |
150 | /* Slot where the final type will appear. */ |
151 | debug_type *slot; |
152 | /* Tag. */ |
153 | const char *tag; |
154 | }; |
155 | |
156 | /* Information kept for a struct, union, or class. */ |
157 | |
158 | struct debug_class_type |
159 | { |
160 | /* NULL terminated array of fields. */ |
161 | debug_field *fields; |
162 | /* A mark field which indicates whether the struct has already been |
163 | printed. */ |
164 | unsigned int mark; |
165 | /* This is used to uniquely identify unnamed structs when printing. */ |
166 | unsigned int id; |
167 | /* The remaining fields are only used for DEBUG_KIND_CLASS and |
168 | DEBUG_KIND_UNION_CLASS. */ |
169 | /* NULL terminated array of base classes. */ |
170 | debug_baseclass *baseclasses; |
171 | /* NULL terminated array of methods. */ |
172 | debug_method *methods; |
173 | /* The type of the class providing the virtual function table for |
174 | this class. This may point to the type itself. */ |
175 | debug_type vptrbase; |
176 | }; |
177 | |
178 | /* Information kept for an enum. */ |
179 | |
180 | struct debug_enum_type |
181 | { |
182 | /* NULL terminated array of names. */ |
183 | const char **names; |
184 | /* Array of corresponding values. */ |
185 | bfd_signed_vma *values; |
186 | }; |
187 | |
188 | /* Information kept for a function. FIXME: We should be able to |
189 | record the parameter types. */ |
190 | |
191 | struct debug_function_type |
192 | { |
193 | /* Return type. */ |
194 | debug_type return_type; |
195 | /* NULL terminated array of argument types. */ |
196 | debug_type *arg_types; |
197 | /* Whether the function takes a variable number of arguments. */ |
198 | bfd_boolean varargs; |
199 | }; |
200 | |
201 | /* Information kept for a range. */ |
202 | |
203 | struct debug_range_type |
204 | { |
205 | /* Range base type. */ |
206 | debug_type type; |
207 | /* Lower bound. */ |
208 | bfd_signed_vma lower; |
209 | /* Upper bound. */ |
210 | bfd_signed_vma upper; |
211 | }; |
212 | |
213 | /* Information kept for an array. */ |
214 | |
215 | struct debug_array_type |
216 | { |
217 | /* Element type. */ |
218 | debug_type element_type; |
219 | /* Range type. */ |
220 | debug_type range_type; |
221 | /* Lower bound. */ |
222 | bfd_signed_vma lower; |
223 | /* Upper bound. */ |
224 | bfd_signed_vma upper; |
225 | /* Whether this array is really a string. */ |
226 | bfd_boolean stringp; |
227 | }; |
228 | |
229 | /* Information kept for a set. */ |
230 | |
231 | struct debug_set_type |
232 | { |
233 | /* Base type. */ |
234 | debug_type type; |
235 | /* Whether this set is really a bitstring. */ |
236 | bfd_boolean bitstringp; |
237 | }; |
238 | |
239 | /* Information kept for an offset type (a based pointer). */ |
240 | |
241 | struct debug_offset_type |
242 | { |
243 | /* The type the pointer is an offset from. */ |
244 | debug_type base_type; |
245 | /* The type the pointer points to. */ |
246 | debug_type target_type; |
247 | }; |
248 | |
249 | /* Information kept for a method type. */ |
250 | |
251 | struct debug_method_type |
252 | { |
253 | /* The return type. */ |
254 | debug_type return_type; |
255 | /* The object type which this method is for. */ |
256 | debug_type domain_type; |
257 | /* A NULL terminated array of argument types. */ |
258 | debug_type *arg_types; |
259 | /* Whether the method takes a variable number of arguments. */ |
260 | bfd_boolean varargs; |
261 | }; |
262 | |
263 | /* Information kept for a named type. */ |
264 | |
265 | struct debug_named_type |
266 | { |
267 | /* Name. */ |
268 | struct debug_name *name; |
269 | /* Real type. */ |
270 | debug_type type; |
271 | }; |
272 | |
273 | /* A field in a struct or union. */ |
274 | |
275 | struct debug_field |
276 | { |
277 | /* Name of the field. */ |
278 | const char *name; |
279 | /* Type of the field. */ |
280 | struct debug_type *type; |
281 | /* Visibility of the field. */ |
282 | enum debug_visibility visibility; |
283 | /* Whether this is a static member. */ |
284 | bfd_boolean static_member; |
285 | union |
286 | { |
287 | /* If static_member is false. */ |
288 | struct |
289 | { |
290 | /* Bit position of the field in the struct. */ |
291 | unsigned int bitpos; |
292 | /* Size of the field in bits. */ |
293 | unsigned int bitsize; |
294 | } f; |
295 | /* If static_member is true. */ |
296 | struct |
297 | { |
298 | const char *physname; |
299 | } s; |
300 | } u; |
301 | }; |
302 | |
303 | /* A base class for an object. */ |
304 | |
305 | struct debug_baseclass |
306 | { |
307 | /* Type of the base class. */ |
308 | struct debug_type *type; |
309 | /* Bit position of the base class in the object. */ |
310 | unsigned int bitpos; |
311 | /* Whether the base class is virtual. */ |
312 | bfd_boolean virtual; |
313 | /* Visibility of the base class. */ |
314 | enum debug_visibility visibility; |
315 | }; |
316 | |
317 | /* A method of an object. */ |
318 | |
319 | struct debug_method |
320 | { |
321 | /* The name of the method. */ |
322 | const char *name; |
323 | /* A NULL terminated array of different types of variants. */ |
324 | struct debug_method_variant **variants; |
325 | }; |
326 | |
327 | /* The variants of a method function of an object. These indicate |
328 | which method to run. */ |
329 | |
330 | struct debug_method_variant |
331 | { |
332 | /* The physical name of the function. */ |
333 | const char *physname; |
334 | /* The type of the function. */ |
335 | struct debug_type *type; |
336 | /* The visibility of the function. */ |
337 | enum debug_visibility visibility; |
338 | /* Whether the function is const. */ |
339 | bfd_boolean constp; |
340 | /* Whether the function is volatile. */ |
341 | bfd_boolean volatilep; |
342 | /* The offset to the function in the virtual function table. */ |
343 | bfd_vma voffset; |
344 | /* If voffset is VOFFSET_STATIC_METHOD, this is a static method. */ |
345 | #define VOFFSET_STATIC_METHOD((bfd_vma) -1) ((bfd_vma) -1) |
346 | /* Context of a virtual method function. */ |
347 | struct debug_type *context; |
348 | }; |
349 | |
350 | /* A variable. This is the information we keep for a variable object. |
351 | This has no name; a name is associated with a variable in a |
352 | debug_name structure. */ |
353 | |
354 | struct debug_variable |
355 | { |
356 | /* Kind of variable. */ |
357 | enum debug_var_kind kind; |
358 | /* Type. */ |
359 | debug_type type; |
360 | /* Value. The interpretation of the value depends upon kind. */ |
361 | bfd_vma val; |
362 | }; |
363 | |
364 | /* A function. This has no name; a name is associated with a function |
365 | in a debug_name structure. */ |
366 | |
367 | struct debug_function |
368 | { |
369 | /* Return type. */ |
370 | debug_type return_type; |
371 | /* Parameter information. */ |
372 | struct debug_parameter *parameters; |
373 | /* Block information. The first structure on the list is the main |
374 | block of the function, and describes function local variables. */ |
375 | struct debug_block *blocks; |
376 | }; |
377 | |
378 | /* A function parameter. */ |
379 | |
380 | struct debug_parameter |
381 | { |
382 | /* Next parameter. */ |
383 | struct debug_parameter *next; |
384 | /* Name. */ |
385 | const char *name; |
386 | /* Type. */ |
387 | debug_type type; |
388 | /* Kind. */ |
389 | enum debug_parm_kind kind; |
390 | /* Value (meaning depends upon kind). */ |
391 | bfd_vma val; |
392 | }; |
393 | |
394 | /* A typed constant. */ |
395 | |
396 | struct debug_typed_constant |
397 | { |
398 | /* Type. */ |
399 | debug_type type; |
400 | /* Value. FIXME: We may eventually need to support non-integral |
401 | values. */ |
402 | bfd_vma val; |
403 | }; |
404 | |
405 | /* Information about a block within a function. */ |
406 | |
407 | struct debug_block |
408 | { |
409 | /* Next block with the same parent. */ |
410 | struct debug_block *next; |
411 | /* Parent block. */ |
412 | struct debug_block *parent; |
413 | /* List of child blocks. */ |
414 | struct debug_block *children; |
415 | /* Start address of the block. */ |
416 | bfd_vma start; |
417 | /* End address of the block. */ |
418 | bfd_vma end; |
419 | /* Local variables. */ |
420 | struct debug_namespace *locals; |
421 | }; |
422 | |
423 | /* Line number information we keep for a compilation unit. FIXME: |
424 | This structure is easy to create, but can be very space |
425 | inefficient. */ |
426 | |
427 | struct debug_lineno |
428 | { |
429 | /* More line number information for this block. */ |
430 | struct debug_lineno *next; |
431 | /* Source file. */ |
432 | struct debug_file *file; |
433 | /* Line numbers, terminated by a -1 or the end of the array. */ |
434 | #define DEBUG_LINENO_COUNT10 10 |
435 | unsigned long linenos[DEBUG_LINENO_COUNT10]; |
436 | /* Addresses for the line numbers. */ |
437 | bfd_vma addrs[DEBUG_LINENO_COUNT10]; |
438 | }; |
439 | |
440 | /* A namespace. This is a mapping from names to objects. FIXME: This |
441 | should be implemented as a hash table. */ |
442 | |
443 | struct debug_namespace |
444 | { |
445 | /* List of items in this namespace. */ |
446 | struct debug_name *list; |
447 | /* Pointer to where the next item in this namespace should go. */ |
448 | struct debug_name **tail; |
449 | }; |
450 | |
451 | /* Kinds of objects that appear in a namespace. */ |
452 | |
453 | enum debug_object_kind |
454 | { |
455 | /* A type. */ |
456 | DEBUG_OBJECT_TYPE, |
457 | /* A tagged type (really a different sort of namespace). */ |
458 | DEBUG_OBJECT_TAG, |
459 | /* A variable. */ |
460 | DEBUG_OBJECT_VARIABLE, |
461 | /* A function. */ |
462 | DEBUG_OBJECT_FUNCTION, |
463 | /* An integer constant. */ |
464 | DEBUG_OBJECT_INT_CONSTANT, |
465 | /* A floating point constant. */ |
466 | DEBUG_OBJECT_FLOAT_CONSTANT, |
467 | /* A typed constant. */ |
468 | DEBUG_OBJECT_TYPED_CONSTANT |
469 | }; |
470 | |
471 | /* Linkage of an object that appears in a namespace. */ |
472 | |
473 | enum debug_object_linkage |
474 | { |
475 | /* Local variable. */ |
476 | DEBUG_LINKAGE_AUTOMATIC, |
477 | /* Static--either file static or function static, depending upon the |
478 | namespace is. */ |
479 | DEBUG_LINKAGE_STATIC, |
480 | /* Global. */ |
481 | DEBUG_LINKAGE_GLOBAL, |
482 | /* No linkage. */ |
483 | DEBUG_LINKAGE_NONE |
484 | }; |
485 | |
486 | /* A name in a namespace. */ |
487 | |
488 | struct debug_name |
489 | { |
490 | /* Next name in this namespace. */ |
491 | struct debug_name *next; |
492 | /* Name. */ |
493 | const char *name; |
494 | /* Mark. This is used by debug_write. */ |
495 | unsigned int mark; |
496 | /* Kind of object. */ |
497 | enum debug_object_kind kind; |
498 | /* Linkage of object. */ |
499 | enum debug_object_linkage linkage; |
500 | /* Tagged union with additional information about the object. */ |
501 | union |
502 | { |
503 | /* DEBUG_OBJECT_TYPE. */ |
504 | struct debug_type *type; |
505 | /* DEBUG_OBJECT_TAG. */ |
506 | struct debug_type *tag; |
507 | /* DEBUG_OBJECT_VARIABLE. */ |
508 | struct debug_variable *variable; |
509 | /* DEBUG_OBJECT_FUNCTION. */ |
510 | struct debug_function *function; |
511 | /* DEBUG_OBJECT_INT_CONSTANT. */ |
512 | bfd_vma int_constant; |
513 | /* DEBUG_OBJECT_FLOAT_CONSTANT. */ |
514 | double float_constant; |
515 | /* DEBUG_OBJECT_TYPED_CONSTANT. */ |
516 | struct debug_typed_constant *typed_constant; |
517 | } u; |
518 | }; |
519 | |
520 | /* During debug_write, a linked list of these structures is used to |
521 | keep track of ID numbers that have been assigned to classes. */ |
522 | |
523 | struct debug_class_id |
524 | { |
525 | /* Next ID number. */ |
526 | struct debug_class_id *next; |
527 | /* The type with the ID. */ |
528 | struct debug_type *type; |
529 | /* The tag; NULL if no tag. */ |
530 | const char *tag; |
531 | }; |
532 | |
533 | /* During debug_type_samep, a linked list of these structures is kept |
534 | on the stack to avoid infinite recursion. */ |
535 | |
536 | struct debug_type_compare_list |
537 | { |
538 | /* Next type on list. */ |
539 | struct debug_type_compare_list *next; |
540 | /* The types we are comparing. */ |
541 | struct debug_type *t1; |
542 | struct debug_type *t2; |
543 | }; |
544 | |
545 | /* During debug_get_real_type, a linked list of these structures is |
546 | kept on the stack to avoid infinite recursion. */ |
547 | |
548 | struct debug_type_real_list |
549 | { |
550 | /* Next type on list. */ |
551 | struct debug_type_real_list *next; |
552 | /* The type we are checking. */ |
553 | struct debug_type *t; |
554 | }; |
555 | |
556 | /* Local functions. */ |
557 | |
558 | static void debug_error (const char *); |
559 | static struct debug_name *debug_add_to_namespace |
560 | (struct debug_handle *, struct debug_namespace **, const char *, |
561 | enum debug_object_kind, enum debug_object_linkage); |
562 | static struct debug_name *debug_add_to_current_namespace |
563 | (struct debug_handle *, const char *, enum debug_object_kind, |
564 | enum debug_object_linkage); |
565 | static struct debug_type *debug_make_type |
566 | (struct debug_handle *, enum debug_type_kind, unsigned int); |
567 | static struct debug_type *debug_get_real_type |
568 | (void *, debug_type, struct debug_type_real_list *); |
569 | static bfd_boolean debug_write_name |
570 | (struct debug_handle *, const struct debug_write_fns *, void *, |
571 | struct debug_name *); |
572 | static bfd_boolean debug_write_type |
573 | (struct debug_handle *, const struct debug_write_fns *, void *, |
574 | struct debug_type *, struct debug_name *); |
575 | static bfd_boolean debug_write_class_type |
576 | (struct debug_handle *, const struct debug_write_fns *, void *, |
577 | struct debug_type *, const char *); |
578 | static bfd_boolean debug_write_function |
579 | (struct debug_handle *, const struct debug_write_fns *, void *, |
580 | const char *, enum debug_object_linkage, struct debug_function *); |
581 | static bfd_boolean debug_write_block |
582 | (struct debug_handle *, const struct debug_write_fns *, void *, |
583 | struct debug_block *); |
584 | static bfd_boolean debug_write_linenos |
585 | (struct debug_handle *, const struct debug_write_fns *, void *, bfd_vma); |
586 | static bfd_boolean debug_set_class_id |
587 | (struct debug_handle *, const char *, struct debug_type *); |
588 | static bfd_boolean debug_type_samep |
589 | (struct debug_handle *, struct debug_type *, struct debug_type *); |
590 | static bfd_boolean debug_class_type_samep |
591 | (struct debug_handle *, struct debug_type *, struct debug_type *); |
592 | |
593 | /* Issue an error message. */ |
594 | |
595 | static void |
596 | debug_error (const char *message) |
597 | { |
598 | fprintf (stderr(&__sF[2]), "%s\n", message); |
599 | } |
600 | |
601 | /* Add an object to a namespace. */ |
602 | |
603 | static struct debug_name * |
604 | debug_add_to_namespace (struct debug_handle *info ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
605 | struct debug_namespace **nsp, const char *name, |
606 | enum debug_object_kind kind, |
607 | enum debug_object_linkage linkage) |
608 | { |
609 | struct debug_name *n; |
610 | struct debug_namespace *ns; |
611 | |
612 | n = (struct debug_name *) xmalloc (sizeof *n); |
613 | memset (n, 0, sizeof *n); |
614 | |
615 | n->name = name; |
616 | n->kind = kind; |
617 | n->linkage = linkage; |
618 | |
619 | ns = *nsp; |
620 | if (ns == NULL((void*)0)) |
621 | { |
622 | ns = (struct debug_namespace *) xmalloc (sizeof *ns); |
623 | memset (ns, 0, sizeof *ns); |
624 | |
625 | ns->tail = &ns->list; |
626 | |
627 | *nsp = ns; |
628 | } |
629 | |
630 | *ns->tail = n; |
631 | ns->tail = &n->next; |
632 | |
633 | return n; |
634 | } |
635 | |
636 | /* Add an object to the current namespace. */ |
637 | |
638 | static struct debug_name * |
639 | debug_add_to_current_namespace (struct debug_handle *info, const char *name, |
640 | enum debug_object_kind kind, |
641 | enum debug_object_linkage linkage) |
642 | { |
643 | struct debug_namespace **nsp; |
644 | |
645 | if (info->current_unit == NULL((void*)0) |
646 | || info->current_file == NULL((void*)0)) |
647 | { |
648 | debug_error (_("debug_add_to_current_namespace: no current file")("debug_add_to_current_namespace: no current file")); |
649 | return NULL((void*)0); |
650 | } |
651 | |
652 | if (info->current_block != NULL((void*)0)) |
653 | nsp = &info->current_block->locals; |
654 | else |
655 | nsp = &info->current_file->globals; |
656 | |
657 | return debug_add_to_namespace (info, nsp, name, kind, linkage); |
658 | } |
659 | |
660 | /* Return a handle for debugging information. */ |
661 | |
662 | void * |
663 | debug_init (void) |
664 | { |
665 | struct debug_handle *ret; |
666 | |
667 | ret = (struct debug_handle *) xmalloc (sizeof *ret); |
668 | memset (ret, 0, sizeof *ret); |
669 | return (void *) ret; |
670 | } |
671 | |
672 | /* Set the source filename. This implicitly starts a new compilation |
673 | unit. */ |
674 | |
675 | bfd_boolean |
676 | debug_set_filename (void *handle, const char *name) |
677 | { |
678 | struct debug_handle *info = (struct debug_handle *) handle; |
679 | struct debug_file *nfile; |
680 | struct debug_unit *nunit; |
681 | |
682 | if (name == NULL((void*)0)) |
683 | name = ""; |
684 | |
685 | nfile = (struct debug_file *) xmalloc (sizeof *nfile); |
686 | memset (nfile, 0, sizeof *nfile); |
687 | |
688 | nfile->filename = name; |
689 | |
690 | nunit = (struct debug_unit *) xmalloc (sizeof *nunit); |
691 | memset (nunit, 0, sizeof *nunit); |
692 | |
693 | nunit->files = nfile; |
694 | info->current_file = nfile; |
695 | |
696 | if (info->current_unit != NULL((void*)0)) |
697 | info->current_unit->next = nunit; |
698 | else |
699 | { |
700 | assert (info->units == NULL)((info->units == ((void*)0)) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 700, __func__, "info->units == NULL")); |
701 | info->units = nunit; |
702 | } |
703 | |
704 | info->current_unit = nunit; |
705 | |
706 | info->current_function = NULL((void*)0); |
707 | info->current_block = NULL((void*)0); |
708 | info->current_lineno = NULL((void*)0); |
709 | |
710 | return TRUE1; |
711 | } |
712 | |
713 | /* Change source files to the given file name. This is used for |
714 | include files in a single compilation unit. */ |
715 | |
716 | bfd_boolean |
717 | debug_start_source (void *handle, const char *name) |
718 | { |
719 | struct debug_handle *info = (struct debug_handle *) handle; |
720 | struct debug_file *f, **pf; |
721 | |
722 | if (name == NULL((void*)0)) |
723 | name = ""; |
724 | |
725 | if (info->current_unit == NULL((void*)0)) |
726 | { |
727 | debug_error (_("debug_start_source: no debug_set_filename call")("debug_start_source: no debug_set_filename call")); |
728 | return FALSE0; |
729 | } |
730 | |
731 | for (f = info->current_unit->files; f != NULL((void*)0); f = f->next) |
732 | { |
733 | if (f->filename[0] == name[0] |
734 | && f->filename[1] == name[1] |
735 | && strcmp (f->filename, name) == 0) |
736 | { |
737 | info->current_file = f; |
738 | return TRUE1; |
739 | } |
740 | } |
741 | |
742 | f = (struct debug_file *) xmalloc (sizeof *f); |
743 | memset (f, 0, sizeof *f); |
744 | |
745 | f->filename = name; |
746 | |
747 | for (pf = &info->current_file->next; |
748 | *pf != NULL((void*)0); |
749 | pf = &(*pf)->next) |
750 | ; |
751 | *pf = f; |
752 | |
753 | info->current_file = f; |
754 | |
755 | return TRUE1; |
756 | } |
757 | |
758 | /* Record a function definition. This implicitly starts a function |
759 | block. The debug_type argument is the type of the return value. |
760 | The boolean indicates whether the function is globally visible. |
761 | The bfd_vma is the address of the start of the function. Currently |
762 | the parameter types are specified by calls to |
763 | debug_record_parameter. FIXME: There is no way to specify nested |
764 | functions. */ |
765 | |
766 | bfd_boolean |
767 | debug_record_function (void *handle, const char *name, |
768 | debug_type return_type, bfd_boolean global, |
769 | bfd_vma addr) |
770 | { |
771 | struct debug_handle *info = (struct debug_handle *) handle; |
772 | struct debug_function *f; |
773 | struct debug_block *b; |
774 | struct debug_name *n; |
775 | |
776 | if (name == NULL((void*)0)) |
777 | name = ""; |
778 | if (return_type == NULL((void*)0)) |
779 | return FALSE0; |
780 | |
781 | if (info->current_unit == NULL((void*)0)) |
782 | { |
783 | debug_error (_("debug_record_function: no debug_set_filename call")("debug_record_function: no debug_set_filename call")); |
784 | return FALSE0; |
785 | } |
786 | |
787 | f = (struct debug_function *) xmalloc (sizeof *f); |
788 | memset (f, 0, sizeof *f); |
789 | |
790 | f->return_type = return_type; |
791 | |
792 | b = (struct debug_block *) xmalloc (sizeof *b); |
793 | memset (b, 0, sizeof *b); |
794 | |
795 | b->start = addr; |
796 | b->end = (bfd_vma) -1; |
797 | |
798 | f->blocks = b; |
799 | |
800 | info->current_function = f; |
801 | info->current_block = b; |
802 | |
803 | /* FIXME: If we could handle nested functions, this would be the |
804 | place: we would want to use a different namespace. */ |
805 | n = debug_add_to_namespace (info, |
806 | &info->current_file->globals, |
807 | name, |
808 | DEBUG_OBJECT_FUNCTION, |
809 | (global |
810 | ? DEBUG_LINKAGE_GLOBAL |
811 | : DEBUG_LINKAGE_STATIC)); |
812 | if (n == NULL((void*)0)) |
813 | return FALSE0; |
814 | |
815 | n->u.function = f; |
816 | |
817 | return TRUE1; |
818 | } |
819 | |
820 | /* Record a parameter for the current function. */ |
821 | |
822 | bfd_boolean |
823 | debug_record_parameter (void *handle, const char *name, debug_type type, |
824 | enum debug_parm_kind kind, bfd_vma val) |
825 | { |
826 | struct debug_handle *info = (struct debug_handle *) handle; |
827 | struct debug_parameter *p, **pp; |
828 | |
829 | if (name == NULL((void*)0) || type == NULL((void*)0)) |
830 | return FALSE0; |
831 | |
832 | if (info->current_unit == NULL((void*)0) |
833 | || info->current_function == NULL((void*)0)) |
834 | { |
835 | debug_error (_("debug_record_parameter: no current function")("debug_record_parameter: no current function")); |
836 | return FALSE0; |
837 | } |
838 | |
839 | p = (struct debug_parameter *) xmalloc (sizeof *p); |
840 | memset (p, 0, sizeof *p); |
841 | |
842 | p->name = name; |
843 | p->type = type; |
844 | p->kind = kind; |
845 | p->val = val; |
846 | |
847 | for (pp = &info->current_function->parameters; |
848 | *pp != NULL((void*)0); |
849 | pp = &(*pp)->next) |
850 | ; |
851 | *pp = p; |
852 | |
853 | return TRUE1; |
854 | } |
855 | |
856 | /* End a function. FIXME: This should handle function nesting. */ |
857 | |
858 | bfd_boolean |
859 | debug_end_function (void *handle, bfd_vma addr) |
860 | { |
861 | struct debug_handle *info = (struct debug_handle *) handle; |
862 | |
863 | if (info->current_unit == NULL((void*)0) |
864 | || info->current_block == NULL((void*)0) |
865 | || info->current_function == NULL((void*)0)) |
866 | { |
867 | debug_error (_("debug_end_function: no current function")("debug_end_function: no current function")); |
868 | return FALSE0; |
869 | } |
870 | |
871 | if (info->current_block->parent != NULL((void*)0)) |
872 | { |
873 | debug_error (_("debug_end_function: some blocks were not closed")("debug_end_function: some blocks were not closed")); |
874 | return FALSE0; |
875 | } |
876 | |
877 | info->current_block->end = addr; |
878 | |
879 | info->current_function = NULL((void*)0); |
880 | info->current_block = NULL((void*)0); |
881 | |
882 | return TRUE1; |
883 | } |
884 | |
885 | /* Start a block in a function. All local information will be |
886 | recorded in this block, until the matching call to debug_end_block. |
887 | debug_start_block and debug_end_block may be nested. The bfd_vma |
888 | argument is the address at which this block starts. */ |
889 | |
890 | bfd_boolean |
891 | debug_start_block (void *handle, bfd_vma addr) |
892 | { |
893 | struct debug_handle *info = (struct debug_handle *) handle; |
894 | struct debug_block *b, **pb; |
895 | |
896 | /* We must always have a current block: debug_record_function sets |
897 | one up. */ |
898 | if (info->current_unit == NULL((void*)0) |
899 | || info->current_block == NULL((void*)0)) |
900 | { |
901 | debug_error (_("debug_start_block: no current block")("debug_start_block: no current block")); |
902 | return FALSE0; |
903 | } |
904 | |
905 | b = (struct debug_block *) xmalloc (sizeof *b); |
906 | memset (b, 0, sizeof *b); |
907 | |
908 | b->parent = info->current_block; |
909 | b->start = addr; |
910 | b->end = (bfd_vma) -1; |
911 | |
912 | /* This new block is a child of the current block. */ |
913 | for (pb = &info->current_block->children; |
914 | *pb != NULL((void*)0); |
915 | pb = &(*pb)->next) |
916 | ; |
917 | *pb = b; |
918 | |
919 | info->current_block = b; |
920 | |
921 | return TRUE1; |
922 | } |
923 | |
924 | /* Finish a block in a function. This matches the call to |
925 | debug_start_block. The argument is the address at which this block |
926 | ends. */ |
927 | |
928 | bfd_boolean |
929 | debug_end_block (void *handle, bfd_vma addr) |
930 | { |
931 | struct debug_handle *info = (struct debug_handle *) handle; |
932 | struct debug_block *parent; |
933 | |
934 | if (info->current_unit == NULL((void*)0) |
935 | || info->current_block == NULL((void*)0)) |
936 | { |
937 | debug_error (_("debug_end_block: no current block")("debug_end_block: no current block")); |
938 | return FALSE0; |
939 | } |
940 | |
941 | parent = info->current_block->parent; |
942 | if (parent == NULL((void*)0)) |
943 | { |
944 | debug_error (_("debug_end_block: attempt to close top level block")("debug_end_block: attempt to close top level block")); |
945 | return FALSE0; |
946 | } |
947 | |
948 | info->current_block->end = addr; |
949 | |
950 | info->current_block = parent; |
951 | |
952 | return TRUE1; |
953 | } |
954 | |
955 | /* Associate a line number in the current source file and function |
956 | with a given address. */ |
957 | |
958 | bfd_boolean |
959 | debug_record_line (void *handle, unsigned long lineno, bfd_vma addr) |
960 | { |
961 | struct debug_handle *info = (struct debug_handle *) handle; |
962 | struct debug_lineno *l; |
963 | unsigned int i; |
964 | |
965 | if (info->current_unit == NULL((void*)0)) |
966 | { |
967 | debug_error (_("debug_record_line: no current unit")("debug_record_line: no current unit")); |
968 | return FALSE0; |
969 | } |
970 | |
971 | l = info->current_lineno; |
972 | if (l != NULL((void*)0) && l->file == info->current_file) |
973 | { |
974 | for (i = 0; i < DEBUG_LINENO_COUNT10; i++) |
975 | { |
976 | if (l->linenos[i] == (unsigned long) -1) |
977 | { |
978 | l->linenos[i] = lineno; |
979 | l->addrs[i] = addr; |
980 | return TRUE1; |
981 | } |
982 | } |
983 | } |
984 | |
985 | /* If we get here, then either 1) there is no current_lineno |
986 | structure, which means this is the first line number in this |
987 | compilation unit, 2) the current_lineno structure is for a |
988 | different file, or 3) the current_lineno structure is full. |
989 | Regardless, we want to allocate a new debug_lineno structure, put |
990 | it in the right place, and make it the new current_lineno |
991 | structure. */ |
992 | |
993 | l = (struct debug_lineno *) xmalloc (sizeof *l); |
994 | memset (l, 0, sizeof *l); |
995 | |
996 | l->file = info->current_file; |
997 | l->linenos[0] = lineno; |
998 | l->addrs[0] = addr; |
999 | for (i = 1; i < DEBUG_LINENO_COUNT10; i++) |
1000 | l->linenos[i] = (unsigned long) -1; |
1001 | |
1002 | if (info->current_lineno != NULL((void*)0)) |
1003 | info->current_lineno->next = l; |
1004 | else |
1005 | info->current_unit->linenos = l; |
1006 | |
1007 | info->current_lineno = l; |
1008 | |
1009 | return TRUE1; |
1010 | } |
1011 | |
1012 | /* Start a named common block. This is a block of variables that may |
1013 | move in memory. */ |
1014 | |
1015 | bfd_boolean |
1016 | debug_start_common_block (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1017 | const char *name ATTRIBUTE_UNUSED__attribute__ ((__unused__))) |
1018 | { |
1019 | /* FIXME */ |
1020 | debug_error (_("debug_start_common_block: not implemented")("debug_start_common_block: not implemented")); |
1021 | return FALSE0; |
1022 | } |
1023 | |
1024 | /* End a named common block. */ |
1025 | |
1026 | bfd_boolean |
1027 | debug_end_common_block (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1028 | const char *name ATTRIBUTE_UNUSED__attribute__ ((__unused__))) |
1029 | { |
1030 | /* FIXME */ |
1031 | debug_error (_("debug_end_common_block: not implemented")("debug_end_common_block: not implemented")); |
1032 | return FALSE0; |
1033 | } |
1034 | |
1035 | /* Record a named integer constant. */ |
1036 | |
1037 | bfd_boolean |
1038 | debug_record_int_const (void *handle, const char *name, bfd_vma val) |
1039 | { |
1040 | struct debug_handle *info = (struct debug_handle *) handle; |
1041 | struct debug_name *n; |
1042 | |
1043 | if (name == NULL((void*)0)) |
1044 | return FALSE0; |
1045 | |
1046 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_INT_CONSTANT, |
1047 | DEBUG_LINKAGE_NONE); |
1048 | if (n == NULL((void*)0)) |
1049 | return FALSE0; |
1050 | |
1051 | n->u.int_constant = val; |
1052 | |
1053 | return TRUE1; |
1054 | } |
1055 | |
1056 | /* Record a named floating point constant. */ |
1057 | |
1058 | bfd_boolean |
1059 | debug_record_float_const (void *handle, const char *name, double val) |
1060 | { |
1061 | struct debug_handle *info = (struct debug_handle *) handle; |
1062 | struct debug_name *n; |
1063 | |
1064 | if (name == NULL((void*)0)) |
1065 | return FALSE0; |
1066 | |
1067 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_FLOAT_CONSTANT, |
1068 | DEBUG_LINKAGE_NONE); |
1069 | if (n == NULL((void*)0)) |
1070 | return FALSE0; |
1071 | |
1072 | n->u.float_constant = val; |
1073 | |
1074 | return TRUE1; |
1075 | } |
1076 | |
1077 | /* Record a typed constant with an integral value. */ |
1078 | |
1079 | bfd_boolean |
1080 | debug_record_typed_const (void *handle, const char *name, debug_type type, |
1081 | bfd_vma val) |
1082 | { |
1083 | struct debug_handle *info = (struct debug_handle *) handle; |
1084 | struct debug_name *n; |
1085 | struct debug_typed_constant *tc; |
1086 | |
1087 | if (name == NULL((void*)0) || type == NULL((void*)0)) |
1088 | return FALSE0; |
1089 | |
1090 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPED_CONSTANT, |
1091 | DEBUG_LINKAGE_NONE); |
1092 | if (n == NULL((void*)0)) |
1093 | return FALSE0; |
1094 | |
1095 | tc = (struct debug_typed_constant *) xmalloc (sizeof *tc); |
1096 | memset (tc, 0, sizeof *tc); |
1097 | |
1098 | tc->type = type; |
1099 | tc->val = val; |
1100 | |
1101 | n->u.typed_constant = tc; |
1102 | |
1103 | return TRUE1; |
1104 | } |
1105 | |
1106 | /* Record a label. */ |
1107 | |
1108 | bfd_boolean |
1109 | debug_record_label (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1110 | const char *name ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1111 | debug_type type ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1112 | bfd_vma addr ATTRIBUTE_UNUSED__attribute__ ((__unused__))) |
1113 | { |
1114 | /* FIXME. */ |
1115 | debug_error (_("debug_record_label: not implemented")("debug_record_label: not implemented")); |
1116 | return FALSE0; |
1117 | } |
1118 | |
1119 | /* Record a variable. */ |
1120 | |
1121 | bfd_boolean |
1122 | debug_record_variable (void *handle, const char *name, debug_type type, |
1123 | enum debug_var_kind kind, bfd_vma val) |
1124 | { |
1125 | struct debug_handle *info = (struct debug_handle *) handle; |
1126 | struct debug_namespace **nsp; |
1127 | enum debug_object_linkage linkage; |
1128 | struct debug_name *n; |
1129 | struct debug_variable *v; |
1130 | |
1131 | if (name == NULL((void*)0) || type == NULL((void*)0)) |
1132 | return FALSE0; |
1133 | |
1134 | if (info->current_unit == NULL((void*)0) |
1135 | || info->current_file == NULL((void*)0)) |
1136 | { |
1137 | debug_error (_("debug_record_variable: no current file")("debug_record_variable: no current file")); |
1138 | return FALSE0; |
1139 | } |
1140 | |
1141 | if (kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) |
1142 | { |
1143 | nsp = &info->current_file->globals; |
1144 | if (kind == DEBUG_GLOBAL) |
1145 | linkage = DEBUG_LINKAGE_GLOBAL; |
1146 | else |
1147 | linkage = DEBUG_LINKAGE_STATIC; |
1148 | } |
1149 | else |
1150 | { |
1151 | if (info->current_block == NULL((void*)0)) |
1152 | nsp = &info->current_file->globals; |
1153 | else |
1154 | nsp = &info->current_block->locals; |
1155 | linkage = DEBUG_LINKAGE_AUTOMATIC; |
1156 | } |
1157 | |
1158 | n = debug_add_to_namespace (info, nsp, name, DEBUG_OBJECT_VARIABLE, linkage); |
1159 | if (n == NULL((void*)0)) |
1160 | return FALSE0; |
1161 | |
1162 | v = (struct debug_variable *) xmalloc (sizeof *v); |
1163 | memset (v, 0, sizeof *v); |
1164 | |
1165 | v->kind = kind; |
1166 | v->type = type; |
1167 | v->val = val; |
1168 | |
1169 | n->u.variable = v; |
1170 | |
1171 | return TRUE1; |
1172 | } |
1173 | |
1174 | /* Make a type with a given kind and size. */ |
1175 | |
1176 | static struct debug_type * |
1177 | debug_make_type (struct debug_handle *info ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1178 | enum debug_type_kind kind, unsigned int size) |
1179 | { |
1180 | struct debug_type *t; |
1181 | |
1182 | t = (struct debug_type *) xmalloc (sizeof *t); |
1183 | memset (t, 0, sizeof *t); |
1184 | |
1185 | t->kind = kind; |
1186 | t->size = size; |
1187 | |
1188 | return t; |
1189 | } |
1190 | |
1191 | /* Make an indirect type which may be used as a placeholder for a type |
1192 | which is referenced before it is defined. */ |
1193 | |
1194 | debug_type |
1195 | debug_make_indirect_type (void *handle, debug_type *slot, const char *tag) |
1196 | { |
1197 | struct debug_handle *info = (struct debug_handle *) handle; |
1198 | struct debug_type *t; |
1199 | struct debug_indirect_type *i; |
1200 | |
1201 | t = debug_make_type (info, DEBUG_KIND_INDIRECT, 0); |
1202 | if (t == NULL((void*)0)) |
1203 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1204 | |
1205 | i = (struct debug_indirect_type *) xmalloc (sizeof *i); |
1206 | memset (i, 0, sizeof *i); |
1207 | |
1208 | i->slot = slot; |
1209 | i->tag = tag; |
1210 | |
1211 | t->u.kindirect = i; |
1212 | |
1213 | return t; |
1214 | } |
1215 | |
1216 | /* Make a void type. There is only one of these. */ |
1217 | |
1218 | debug_type |
1219 | debug_make_void_type (void *handle) |
1220 | { |
1221 | struct debug_handle *info = (struct debug_handle *) handle; |
1222 | |
1223 | return debug_make_type (info, DEBUG_KIND_VOID, 0); |
1224 | } |
1225 | |
1226 | /* Make an integer type of a given size. The boolean argument is true |
1227 | if the integer is unsigned. */ |
1228 | |
1229 | debug_type |
1230 | debug_make_int_type (void *handle, unsigned int size, bfd_boolean unsignedp) |
1231 | { |
1232 | struct debug_handle *info = (struct debug_handle *) handle; |
1233 | struct debug_type *t; |
1234 | |
1235 | t = debug_make_type (info, DEBUG_KIND_INT, size); |
1236 | if (t == NULL((void*)0)) |
1237 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1238 | |
1239 | t->u.kint = unsignedp; |
1240 | |
1241 | return t; |
1242 | } |
1243 | |
1244 | /* Make a floating point type of a given size. FIXME: On some |
1245 | platforms, like an Alpha, you probably need to be able to specify |
1246 | the format. */ |
1247 | |
1248 | debug_type |
1249 | debug_make_float_type (void *handle, unsigned int size) |
1250 | { |
1251 | struct debug_handle *info = (struct debug_handle *) handle; |
1252 | |
1253 | return debug_make_type (info, DEBUG_KIND_FLOAT, size); |
1254 | } |
1255 | |
1256 | /* Make a boolean type of a given size. */ |
1257 | |
1258 | debug_type |
1259 | debug_make_bool_type (void *handle, unsigned int size) |
1260 | { |
1261 | struct debug_handle *info = (struct debug_handle *) handle; |
1262 | |
1263 | return debug_make_type (info, DEBUG_KIND_BOOL, size); |
1264 | } |
1265 | |
1266 | /* Make a complex type of a given size. */ |
1267 | |
1268 | debug_type |
1269 | debug_make_complex_type (void *handle, unsigned int size) |
1270 | { |
1271 | struct debug_handle *info = (struct debug_handle *) handle; |
1272 | |
1273 | return debug_make_type (info, DEBUG_KIND_COMPLEX, size); |
1274 | } |
1275 | |
1276 | /* Make a structure type. The second argument is true for a struct, |
1277 | false for a union. The third argument is the size of the struct. |
1278 | The fourth argument is a NULL terminated array of fields. */ |
1279 | |
1280 | debug_type |
1281 | debug_make_struct_type (void *handle, bfd_boolean structp, bfd_vma size, |
1282 | debug_field *fields) |
1283 | { |
1284 | struct debug_handle *info = (struct debug_handle *) handle; |
1285 | struct debug_type *t; |
1286 | struct debug_class_type *c; |
1287 | |
1288 | t = debug_make_type (info, |
1289 | structp ? DEBUG_KIND_STRUCT : DEBUG_KIND_UNION, |
1290 | size); |
1291 | if (t == NULL((void*)0)) |
1292 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1293 | |
1294 | c = (struct debug_class_type *) xmalloc (sizeof *c); |
1295 | memset (c, 0, sizeof *c); |
1296 | |
1297 | c->fields = fields; |
1298 | |
1299 | t->u.kclass = c; |
1300 | |
1301 | return t; |
1302 | } |
1303 | |
1304 | /* Make an object type. The first three arguments after the handle |
1305 | are the same as for debug_make_struct_type. The next arguments are |
1306 | a NULL terminated array of base classes, a NULL terminated array of |
1307 | methods, the type of the object holding the virtual function table |
1308 | if it is not this object, and a boolean which is true if this |
1309 | object has its own virtual function table. */ |
1310 | |
1311 | debug_type |
1312 | debug_make_object_type (void *handle, bfd_boolean structp, bfd_vma size, |
1313 | debug_field *fields, debug_baseclass *baseclasses, |
1314 | debug_method *methods, debug_type vptrbase, |
1315 | bfd_boolean ownvptr) |
1316 | { |
1317 | struct debug_handle *info = (struct debug_handle *) handle; |
1318 | struct debug_type *t; |
1319 | struct debug_class_type *c; |
1320 | |
1321 | t = debug_make_type (info, |
1322 | structp ? DEBUG_KIND_CLASS : DEBUG_KIND_UNION_CLASS, |
1323 | size); |
1324 | if (t == NULL((void*)0)) |
1325 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1326 | |
1327 | c = (struct debug_class_type *) xmalloc (sizeof *c); |
1328 | memset (c, 0, sizeof *c); |
1329 | |
1330 | c->fields = fields; |
1331 | c->baseclasses = baseclasses; |
1332 | c->methods = methods; |
1333 | if (ownvptr) |
1334 | c->vptrbase = t; |
1335 | else |
1336 | c->vptrbase = vptrbase; |
1337 | |
1338 | t->u.kclass = c; |
1339 | |
1340 | return t; |
1341 | } |
1342 | |
1343 | /* Make an enumeration type. The arguments are a null terminated |
1344 | array of strings, and an array of corresponding values. */ |
1345 | |
1346 | debug_type |
1347 | debug_make_enum_type (void *handle, const char **names, |
1348 | bfd_signed_vma *values) |
1349 | { |
1350 | struct debug_handle *info = (struct debug_handle *) handle; |
1351 | struct debug_type *t; |
1352 | struct debug_enum_type *e; |
1353 | |
1354 | t = debug_make_type (info, DEBUG_KIND_ENUM, 0); |
1355 | if (t == NULL((void*)0)) |
1356 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1357 | |
1358 | e = (struct debug_enum_type *) xmalloc (sizeof *e); |
1359 | memset (e, 0, sizeof *e); |
1360 | |
1361 | e->names = names; |
1362 | e->values = values; |
1363 | |
1364 | t->u.kenum = e; |
1365 | |
1366 | return t; |
1367 | } |
1368 | |
1369 | /* Make a pointer to a given type. */ |
1370 | |
1371 | debug_type |
1372 | debug_make_pointer_type (void *handle, debug_type type) |
1373 | { |
1374 | struct debug_handle *info = (struct debug_handle *) handle; |
1375 | struct debug_type *t; |
1376 | |
1377 | if (type == NULL((void*)0)) |
1378 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1379 | |
1380 | if (type->pointer != DEBUG_TYPE_NULL((debug_type) ((void*)0))) |
1381 | return type->pointer; |
1382 | |
1383 | t = debug_make_type (info, DEBUG_KIND_POINTER, 0); |
1384 | if (t == NULL((void*)0)) |
1385 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1386 | |
1387 | t->u.kpointer = type; |
1388 | |
1389 | type->pointer = t; |
1390 | |
1391 | return t; |
1392 | } |
1393 | |
1394 | /* Make a function returning a given type. FIXME: We should be able |
1395 | to record the parameter types. */ |
1396 | |
1397 | debug_type |
1398 | debug_make_function_type (void *handle, debug_type type, |
1399 | debug_type *arg_types, bfd_boolean varargs) |
1400 | { |
1401 | struct debug_handle *info = (struct debug_handle *) handle; |
1402 | struct debug_type *t; |
1403 | struct debug_function_type *f; |
1404 | |
1405 | if (type == NULL((void*)0)) |
1406 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1407 | |
1408 | t = debug_make_type (info, DEBUG_KIND_FUNCTION, 0); |
1409 | if (t == NULL((void*)0)) |
1410 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1411 | |
1412 | f = (struct debug_function_type *) xmalloc (sizeof *f); |
1413 | memset (f, 0, sizeof *f); |
1414 | |
1415 | f->return_type = type; |
1416 | f->arg_types = arg_types; |
1417 | f->varargs = varargs; |
1418 | |
1419 | t->u.kfunction = f; |
1420 | |
1421 | return t; |
1422 | } |
1423 | |
1424 | /* Make a reference to a given type. */ |
1425 | |
1426 | debug_type |
1427 | debug_make_reference_type (void *handle, debug_type type) |
1428 | { |
1429 | struct debug_handle *info = (struct debug_handle *) handle; |
1430 | struct debug_type *t; |
1431 | |
1432 | if (type == NULL((void*)0)) |
1433 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1434 | |
1435 | t = debug_make_type (info, DEBUG_KIND_REFERENCE, 0); |
1436 | if (t == NULL((void*)0)) |
1437 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1438 | |
1439 | t->u.kreference = type; |
1440 | |
1441 | return t; |
1442 | } |
1443 | |
1444 | /* Make a range of a given type from a lower to an upper bound. */ |
1445 | |
1446 | debug_type |
1447 | debug_make_range_type (void *handle, debug_type type, bfd_signed_vma lower, |
1448 | bfd_signed_vma upper) |
1449 | { |
1450 | struct debug_handle *info = (struct debug_handle *) handle; |
1451 | struct debug_type *t; |
1452 | struct debug_range_type *r; |
1453 | |
1454 | if (type == NULL((void*)0)) |
1455 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1456 | |
1457 | t = debug_make_type (info, DEBUG_KIND_RANGE, 0); |
1458 | if (t == NULL((void*)0)) |
1459 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1460 | |
1461 | r = (struct debug_range_type *) xmalloc (sizeof *r); |
1462 | memset (r, 0, sizeof *r); |
1463 | |
1464 | r->type = type; |
1465 | r->lower = lower; |
1466 | r->upper = upper; |
1467 | |
1468 | t->u.krange = r; |
1469 | |
1470 | return t; |
1471 | } |
1472 | |
1473 | /* Make an array type. The second argument is the type of an element |
1474 | of the array. The third argument is the type of a range of the |
1475 | array. The fourth and fifth argument are the lower and upper |
1476 | bounds, respectively. The sixth argument is true if this array is |
1477 | actually a string, as in C. */ |
1478 | |
1479 | debug_type |
1480 | debug_make_array_type (void *handle, debug_type element_type, |
1481 | debug_type range_type, bfd_signed_vma lower, |
1482 | bfd_signed_vma upper, bfd_boolean stringp) |
1483 | { |
1484 | struct debug_handle *info = (struct debug_handle *) handle; |
1485 | struct debug_type *t; |
1486 | struct debug_array_type *a; |
1487 | |
1488 | if (element_type == NULL((void*)0) || range_type == NULL((void*)0)) |
1489 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1490 | |
1491 | t = debug_make_type (info, DEBUG_KIND_ARRAY, 0); |
1492 | if (t == NULL((void*)0)) |
1493 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1494 | |
1495 | a = (struct debug_array_type *) xmalloc (sizeof *a); |
1496 | memset (a, 0, sizeof *a); |
1497 | |
1498 | a->element_type = element_type; |
1499 | a->range_type = range_type; |
1500 | a->lower = lower; |
1501 | a->upper = upper; |
1502 | a->stringp = stringp; |
1503 | |
1504 | t->u.karray = a; |
1505 | |
1506 | return t; |
1507 | } |
1508 | |
1509 | /* Make a set of a given type. For example, a Pascal set type. The |
1510 | boolean argument is true if this set is actually a bitstring, as in |
1511 | CHILL. */ |
1512 | |
1513 | debug_type |
1514 | debug_make_set_type (void *handle, debug_type type, bfd_boolean bitstringp) |
1515 | { |
1516 | struct debug_handle *info = (struct debug_handle *) handle; |
1517 | struct debug_type *t; |
1518 | struct debug_set_type *s; |
1519 | |
1520 | if (type == NULL((void*)0)) |
1521 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1522 | |
1523 | t = debug_make_type (info, DEBUG_KIND_SET, 0); |
1524 | if (t == NULL((void*)0)) |
1525 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1526 | |
1527 | s = (struct debug_set_type *) xmalloc (sizeof *s); |
1528 | memset (s, 0, sizeof *s); |
1529 | |
1530 | s->type = type; |
1531 | s->bitstringp = bitstringp; |
1532 | |
1533 | t->u.kset = s; |
1534 | |
1535 | return t; |
1536 | } |
1537 | |
1538 | /* Make a type for a pointer which is relative to an object. The |
1539 | second argument is the type of the object to which the pointer is |
1540 | relative. The third argument is the type that the pointer points |
1541 | to. */ |
1542 | |
1543 | debug_type |
1544 | debug_make_offset_type (void *handle, debug_type base_type, |
1545 | debug_type target_type) |
1546 | { |
1547 | struct debug_handle *info = (struct debug_handle *) handle; |
1548 | struct debug_type *t; |
1549 | struct debug_offset_type *o; |
1550 | |
1551 | if (base_type == NULL((void*)0) || target_type == NULL((void*)0)) |
1552 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1553 | |
1554 | t = debug_make_type (info, DEBUG_KIND_OFFSET, 0); |
1555 | if (t == NULL((void*)0)) |
1556 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1557 | |
1558 | o = (struct debug_offset_type *) xmalloc (sizeof *o); |
1559 | memset (o, 0, sizeof *o); |
1560 | |
1561 | o->base_type = base_type; |
1562 | o->target_type = target_type; |
1563 | |
1564 | t->u.koffset = o; |
1565 | |
1566 | return t; |
1567 | } |
1568 | |
1569 | /* Make a type for a method function. The second argument is the |
1570 | return type, the third argument is the domain, and the fourth |
1571 | argument is a NULL terminated array of argument types. */ |
1572 | |
1573 | debug_type |
1574 | debug_make_method_type (void *handle, debug_type return_type, |
1575 | debug_type domain_type, debug_type *arg_types, |
1576 | bfd_boolean varargs) |
1577 | { |
1578 | struct debug_handle *info = (struct debug_handle *) handle; |
1579 | struct debug_type *t; |
1580 | struct debug_method_type *m; |
1581 | |
1582 | if (return_type == NULL((void*)0)) |
1583 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1584 | |
1585 | t = debug_make_type (info, DEBUG_KIND_METHOD, 0); |
1586 | if (t == NULL((void*)0)) |
1587 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1588 | |
1589 | m = (struct debug_method_type *) xmalloc (sizeof *m); |
1590 | memset (m, 0, sizeof *m); |
1591 | |
1592 | m->return_type = return_type; |
1593 | m->domain_type = domain_type; |
1594 | m->arg_types = arg_types; |
1595 | m->varargs = varargs; |
1596 | |
1597 | t->u.kmethod = m; |
1598 | |
1599 | return t; |
1600 | } |
1601 | |
1602 | /* Make a const qualified version of a given type. */ |
1603 | |
1604 | debug_type |
1605 | debug_make_const_type (void *handle, debug_type type) |
1606 | { |
1607 | struct debug_handle *info = (struct debug_handle *) handle; |
1608 | struct debug_type *t; |
1609 | |
1610 | if (type == NULL((void*)0)) |
1611 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1612 | |
1613 | t = debug_make_type (info, DEBUG_KIND_CONST, 0); |
1614 | if (t == NULL((void*)0)) |
1615 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1616 | |
1617 | t->u.kconst = type; |
1618 | |
1619 | return t; |
1620 | } |
1621 | |
1622 | /* Make a volatile qualified version of a given type. */ |
1623 | |
1624 | debug_type |
1625 | debug_make_volatile_type (void *handle, debug_type type) |
1626 | { |
1627 | struct debug_handle *info = (struct debug_handle *) handle; |
1628 | struct debug_type *t; |
1629 | |
1630 | if (type == NULL((void*)0)) |
1631 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1632 | |
1633 | t = debug_make_type (info, DEBUG_KIND_VOLATILE, 0); |
1634 | if (t == NULL((void*)0)) |
1635 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1636 | |
1637 | t->u.kvolatile = type; |
1638 | |
1639 | return t; |
1640 | } |
1641 | |
1642 | /* Make an undefined tagged type. For example, a struct which has |
1643 | been mentioned, but not defined. */ |
1644 | |
1645 | debug_type |
1646 | debug_make_undefined_tagged_type (void *handle, const char *name, |
1647 | enum debug_type_kind kind) |
1648 | { |
1649 | struct debug_handle *info = (struct debug_handle *) handle; |
1650 | struct debug_type *t; |
1651 | |
1652 | if (name == NULL((void*)0)) |
1653 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1654 | |
1655 | switch (kind) |
1656 | { |
1657 | case DEBUG_KIND_STRUCT: |
1658 | case DEBUG_KIND_UNION: |
1659 | case DEBUG_KIND_CLASS: |
1660 | case DEBUG_KIND_UNION_CLASS: |
1661 | case DEBUG_KIND_ENUM: |
1662 | break; |
1663 | |
1664 | default: |
1665 | debug_error (_("debug_make_undefined_type: unsupported kind")("debug_make_undefined_type: unsupported kind")); |
1666 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1667 | } |
1668 | |
1669 | t = debug_make_type (info, kind, 0); |
1670 | if (t == NULL((void*)0)) |
1671 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1672 | |
1673 | return debug_tag_type (handle, name, t); |
1674 | } |
1675 | |
1676 | /* Make a base class for an object. The second argument is the base |
1677 | class type. The third argument is the bit position of this base |
1678 | class in the object (always 0 unless doing multiple inheritance). |
1679 | The fourth argument is whether this is a virtual class. The fifth |
1680 | argument is the visibility of the base class. */ |
1681 | |
1682 | debug_baseclass |
1683 | debug_make_baseclass (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_type type, |
1684 | bfd_vma bitpos, bfd_boolean virtual, |
1685 | enum debug_visibility visibility) |
1686 | { |
1687 | struct debug_baseclass *b; |
1688 | |
1689 | b = (struct debug_baseclass *) xmalloc (sizeof *b); |
1690 | memset (b, 0, sizeof *b); |
1691 | |
1692 | b->type = type; |
1693 | b->bitpos = bitpos; |
1694 | b->virtual = virtual; |
1695 | b->visibility = visibility; |
1696 | |
1697 | return b; |
1698 | } |
1699 | |
1700 | /* Make a field for a struct. The second argument is the name. The |
1701 | third argument is the type of the field. The fourth argument is |
1702 | the bit position of the field. The fifth argument is the size of |
1703 | the field (it may be zero). The sixth argument is the visibility |
1704 | of the field. */ |
1705 | |
1706 | debug_field |
1707 | debug_make_field (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), const char *name, |
1708 | debug_type type, bfd_vma bitpos, bfd_vma bitsize, |
1709 | enum debug_visibility visibility) |
1710 | { |
1711 | struct debug_field *f; |
1712 | |
1713 | f = (struct debug_field *) xmalloc (sizeof *f); |
1714 | memset (f, 0, sizeof *f); |
1715 | |
1716 | f->name = name; |
1717 | f->type = type; |
1718 | f->static_member = FALSE0; |
1719 | f->u.f.bitpos = bitpos; |
1720 | f->u.f.bitsize = bitsize; |
1721 | f->visibility = visibility; |
1722 | |
1723 | return f; |
1724 | } |
1725 | |
1726 | /* Make a static member of an object. The second argument is the |
1727 | name. The third argument is the type of the member. The fourth |
1728 | argument is the physical name of the member (i.e., the name as a |
1729 | global variable). The fifth argument is the visibility of the |
1730 | member. */ |
1731 | |
1732 | debug_field |
1733 | debug_make_static_member (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), const char *name, |
1734 | debug_type type, const char *physname, |
1735 | enum debug_visibility visibility) |
1736 | { |
1737 | struct debug_field *f; |
1738 | |
1739 | f = (struct debug_field *) xmalloc (sizeof *f); |
1740 | memset (f, 0, sizeof *f); |
1741 | |
1742 | f->name = name; |
1743 | f->type = type; |
1744 | f->static_member = TRUE1; |
1745 | f->u.s.physname = physname; |
1746 | f->visibility = visibility; |
1747 | |
1748 | return f; |
1749 | } |
1750 | |
1751 | /* Make a method. The second argument is the name, and the third |
1752 | argument is a NULL terminated array of method variants. */ |
1753 | |
1754 | debug_method |
1755 | debug_make_method (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), const char *name, |
1756 | debug_method_variant *variants) |
1757 | { |
1758 | struct debug_method *m; |
1759 | |
1760 | m = (struct debug_method *) xmalloc (sizeof *m); |
1761 | memset (m, 0, sizeof *m); |
1762 | |
1763 | m->name = name; |
1764 | m->variants = variants; |
1765 | |
1766 | return m; |
1767 | } |
1768 | |
1769 | /* Make a method argument. The second argument is the real name of |
1770 | the function. The third argument is the type of the function. The |
1771 | fourth argument is the visibility. The fifth argument is whether |
1772 | this is a const function. The sixth argument is whether this is a |
1773 | volatile function. The seventh argument is the offset in the |
1774 | virtual function table, if any. The eighth argument is the virtual |
1775 | function context. FIXME: Are the const and volatile arguments |
1776 | necessary? Could we just use debug_make_const_type? */ |
1777 | |
1778 | debug_method_variant |
1779 | debug_make_method_variant (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1780 | const char *physname, debug_type type, |
1781 | enum debug_visibility visibility, |
1782 | bfd_boolean constp, bfd_boolean volatilep, |
1783 | bfd_vma voffset, debug_type context) |
1784 | { |
1785 | struct debug_method_variant *m; |
1786 | |
1787 | m = (struct debug_method_variant *) xmalloc (sizeof *m); |
1788 | memset (m, 0, sizeof *m); |
1789 | |
1790 | m->physname = physname; |
1791 | m->type = type; |
1792 | m->visibility = visibility; |
1793 | m->constp = constp; |
1794 | m->volatilep = volatilep; |
1795 | m->voffset = voffset; |
1796 | m->context = context; |
1797 | |
1798 | return m; |
1799 | } |
1800 | |
1801 | /* Make a static method argument. The arguments are the same as for |
1802 | debug_make_method_variant, except that the last two are omitted |
1803 | since a static method can not also be virtual. */ |
1804 | |
1805 | debug_method_variant |
1806 | debug_make_static_method_variant (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
1807 | const char *physname, debug_type type, |
1808 | enum debug_visibility visibility, |
1809 | bfd_boolean constp, bfd_boolean volatilep) |
1810 | { |
1811 | struct debug_method_variant *m; |
1812 | |
1813 | m = (struct debug_method_variant *) xmalloc (sizeof *m); |
1814 | memset (m, 0, sizeof *m); |
1815 | |
1816 | m->physname = physname; |
1817 | m->type = type; |
1818 | m->visibility = visibility; |
1819 | m->constp = constp; |
1820 | m->volatilep = volatilep; |
1821 | m->voffset = VOFFSET_STATIC_METHOD((bfd_vma) -1); |
1822 | |
1823 | return m; |
1824 | } |
1825 | |
1826 | /* Name a type. */ |
1827 | |
1828 | debug_type |
1829 | debug_name_type (void *handle, const char *name, debug_type type) |
1830 | { |
1831 | struct debug_handle *info = (struct debug_handle *) handle; |
1832 | struct debug_type *t; |
1833 | struct debug_named_type *n; |
1834 | struct debug_name *nm; |
1835 | |
1836 | if (name == NULL((void*)0) || type == NULL((void*)0)) |
1837 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1838 | |
1839 | if (info->current_unit == NULL((void*)0) |
1840 | || info->current_file == NULL((void*)0)) |
1841 | { |
1842 | debug_error (_("debug_name_type: no current file")("debug_name_type: no current file")); |
1843 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1844 | } |
1845 | |
1846 | t = debug_make_type (info, DEBUG_KIND_NAMED, 0); |
1847 | if (t == NULL((void*)0)) |
1848 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1849 | |
1850 | n = (struct debug_named_type *) xmalloc (sizeof *n); |
1851 | memset (n, 0, sizeof *n); |
1852 | |
1853 | n->type = type; |
1854 | |
1855 | t->u.knamed = n; |
1856 | |
1857 | /* We always add the name to the global namespace. This is probably |
1858 | wrong in some cases, but it seems to be right for stabs. FIXME. */ |
1859 | |
1860 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, |
1861 | DEBUG_OBJECT_TYPE, DEBUG_LINKAGE_NONE); |
1862 | if (nm == NULL((void*)0)) |
1863 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1864 | |
1865 | nm->u.type = t; |
1866 | |
1867 | n->name = nm; |
1868 | |
1869 | return t; |
1870 | } |
1871 | |
1872 | /* Tag a type. */ |
1873 | |
1874 | debug_type |
1875 | debug_tag_type (void *handle, const char *name, debug_type type) |
1876 | { |
1877 | struct debug_handle *info = (struct debug_handle *) handle; |
1878 | struct debug_type *t; |
1879 | struct debug_named_type *n; |
1880 | struct debug_name *nm; |
1881 | |
1882 | if (name == NULL((void*)0) || type == NULL((void*)0)) |
1883 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1884 | |
1885 | if (info->current_file == NULL((void*)0)) |
1886 | { |
1887 | debug_error (_("debug_tag_type: no current file")("debug_tag_type: no current file")); |
1888 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1889 | } |
1890 | |
1891 | if (type->kind == DEBUG_KIND_TAGGED) |
1892 | { |
1893 | if (strcmp (type->u.knamed->name->name, name) == 0) |
1894 | return type; |
1895 | debug_error (_("debug_tag_type: extra tag attempted")("debug_tag_type: extra tag attempted")); |
1896 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1897 | } |
1898 | |
1899 | t = debug_make_type (info, DEBUG_KIND_TAGGED, 0); |
1900 | if (t == NULL((void*)0)) |
1901 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1902 | |
1903 | n = (struct debug_named_type *) xmalloc (sizeof *n); |
1904 | memset (n, 0, sizeof *n); |
1905 | |
1906 | n->type = type; |
1907 | |
1908 | t->u.knamed = n; |
1909 | |
1910 | /* We keep a global namespace of tags for each compilation unit. I |
1911 | don't know if that is the right thing to do. */ |
1912 | |
1913 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, |
1914 | DEBUG_OBJECT_TAG, DEBUG_LINKAGE_NONE); |
1915 | if (nm == NULL((void*)0)) |
1916 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1917 | |
1918 | nm->u.tag = t; |
1919 | |
1920 | n->name = nm; |
1921 | |
1922 | return t; |
1923 | } |
1924 | |
1925 | /* Record the size of a given type. */ |
1926 | |
1927 | bfd_boolean |
1928 | debug_record_type_size (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_type type, |
1929 | unsigned int size) |
1930 | { |
1931 | if (type->size != 0 && type->size != size) |
1932 | fprintf (stderr(&__sF[2]), _("Warning: changing type size from %d to %d\n")("Warning: changing type size from %d to %d\n"), |
1933 | type->size, size); |
1934 | |
1935 | type->size = size; |
1936 | |
1937 | return TRUE1; |
1938 | } |
1939 | |
1940 | /* Find a named type. */ |
1941 | |
1942 | debug_type |
1943 | debug_find_named_type (void *handle, const char *name) |
1944 | { |
1945 | struct debug_handle *info = (struct debug_handle *) handle; |
1946 | struct debug_block *b; |
1947 | struct debug_file *f; |
1948 | |
1949 | /* We only search the current compilation unit. I don't know if |
1950 | this is right or not. */ |
1951 | |
1952 | if (info->current_unit == NULL((void*)0)) |
1953 | { |
1954 | debug_error (_("debug_find_named_type: no current compilation unit")("debug_find_named_type: no current compilation unit")); |
1955 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1956 | } |
1957 | |
1958 | for (b = info->current_block; b != NULL((void*)0); b = b->parent) |
1959 | { |
1960 | if (b->locals != NULL((void*)0)) |
1961 | { |
1962 | struct debug_name *n; |
1963 | |
1964 | for (n = b->locals->list; n != NULL((void*)0); n = n->next) |
1965 | { |
1966 | if (n->kind == DEBUG_OBJECT_TYPE |
1967 | && n->name[0] == name[0] |
1968 | && strcmp (n->name, name) == 0) |
1969 | return n->u.type; |
1970 | } |
1971 | } |
1972 | } |
1973 | |
1974 | for (f = info->current_unit->files; f != NULL((void*)0); f = f->next) |
1975 | { |
1976 | if (f->globals != NULL((void*)0)) |
1977 | { |
1978 | struct debug_name *n; |
1979 | |
1980 | for (n = f->globals->list; n != NULL((void*)0); n = n->next) |
1981 | { |
1982 | if (n->kind == DEBUG_OBJECT_TYPE |
1983 | && n->name[0] == name[0] |
1984 | && strcmp (n->name, name) == 0) |
1985 | return n->u.type; |
1986 | } |
1987 | } |
1988 | } |
1989 | |
1990 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
1991 | } |
1992 | |
1993 | /* Find a tagged type. */ |
1994 | |
1995 | debug_type |
1996 | debug_find_tagged_type (void *handle, const char *name, |
1997 | enum debug_type_kind kind) |
1998 | { |
1999 | struct debug_handle *info = (struct debug_handle *) handle; |
2000 | struct debug_unit *u; |
2001 | |
2002 | /* We search the globals of all the compilation units. I don't know |
2003 | if this is correct or not. It would be easy to change. */ |
2004 | |
2005 | for (u = info->units; u != NULL((void*)0); u = u->next) |
2006 | { |
2007 | struct debug_file *f; |
2008 | |
2009 | for (f = u->files; f != NULL((void*)0); f = f->next) |
2010 | { |
2011 | struct debug_name *n; |
2012 | |
2013 | if (f->globals != NULL((void*)0)) |
2014 | { |
2015 | for (n = f->globals->list; n != NULL((void*)0); n = n->next) |
2016 | { |
2017 | if (n->kind == DEBUG_OBJECT_TAG |
2018 | && (kind == DEBUG_KIND_ILLEGAL |
2019 | || n->u.tag->kind == kind) |
2020 | && n->name[0] == name[0] |
2021 | && strcmp (n->name, name) == 0) |
2022 | return n->u.tag; |
2023 | } |
2024 | } |
2025 | } |
2026 | } |
2027 | |
2028 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
2029 | } |
2030 | |
2031 | /* Get a base type. We build a linked list on the stack to avoid |
2032 | crashing if the type is defined circularly. */ |
2033 | |
2034 | static struct debug_type * |
2035 | debug_get_real_type (void *handle, debug_type type, |
2036 | struct debug_type_real_list *list) |
2037 | { |
2038 | struct debug_type_real_list *l; |
2039 | struct debug_type_real_list rl; |
2040 | |
2041 | switch (type->kind) |
2042 | { |
2043 | default: |
2044 | return type; |
2045 | |
2046 | case DEBUG_KIND_INDIRECT: |
2047 | case DEBUG_KIND_NAMED: |
2048 | case DEBUG_KIND_TAGGED: |
2049 | break; |
2050 | } |
2051 | |
2052 | for (l = list; l != NULL((void*)0); l = l->next) |
2053 | { |
2054 | if (l->t == type || l == l->next) |
2055 | { |
2056 | fprintf (stderr(&__sF[2]), |
2057 | _("debug_get_real_type: circular debug information for %s\n")("debug_get_real_type: circular debug information for %s\n"), |
2058 | debug_get_type_name (handle, type)); |
2059 | return NULL((void*)0); |
2060 | } |
2061 | } |
2062 | |
2063 | rl.next = list; |
2064 | rl.t = type; |
2065 | |
2066 | switch (type->kind) |
2067 | { |
2068 | /* The default case is just here to avoid warnings. */ |
2069 | default: |
2070 | case DEBUG_KIND_INDIRECT: |
2071 | if (*type->u.kindirect->slot != NULL((void*)0)) |
2072 | return debug_get_real_type (handle, *type->u.kindirect->slot, &rl); |
2073 | return type; |
2074 | case DEBUG_KIND_NAMED: |
2075 | case DEBUG_KIND_TAGGED: |
2076 | return debug_get_real_type (handle, type->u.knamed->type, &rl); |
2077 | } |
2078 | /*NOTREACHED*/ |
2079 | } |
2080 | |
2081 | /* Get the kind of a type. */ |
2082 | |
2083 | enum debug_type_kind |
2084 | debug_get_type_kind (void *handle, debug_type type) |
2085 | { |
2086 | if (type == NULL((void*)0)) |
2087 | return DEBUG_KIND_ILLEGAL; |
2088 | type = debug_get_real_type (handle, type, NULL((void*)0)); |
2089 | if (type == NULL((void*)0)) |
2090 | return DEBUG_KIND_ILLEGAL; |
2091 | return type->kind; |
2092 | } |
2093 | |
2094 | /* Get the name of a type. */ |
2095 | |
2096 | const char * |
2097 | debug_get_type_name (void *handle, debug_type type) |
2098 | { |
2099 | if (type->kind == DEBUG_KIND_INDIRECT) |
2100 | { |
2101 | if (*type->u.kindirect->slot != NULL((void*)0)) |
2102 | return debug_get_type_name (handle, *type->u.kindirect->slot); |
2103 | return type->u.kindirect->tag; |
2104 | } |
2105 | if (type->kind == DEBUG_KIND_NAMED |
2106 | || type->kind == DEBUG_KIND_TAGGED) |
2107 | return type->u.knamed->name->name; |
2108 | return NULL((void*)0); |
2109 | } |
2110 | |
2111 | /* Get the size of a type. */ |
2112 | |
2113 | bfd_vma |
2114 | debug_get_type_size (void *handle, debug_type type) |
2115 | { |
2116 | if (type == NULL((void*)0)) |
2117 | return 0; |
2118 | |
2119 | /* We don't call debug_get_real_type, because somebody might have |
2120 | called debug_record_type_size on a named or indirect type. */ |
2121 | |
2122 | if (type->size != 0) |
2123 | return type->size; |
2124 | |
2125 | switch (type->kind) |
2126 | { |
2127 | default: |
2128 | return 0; |
2129 | case DEBUG_KIND_INDIRECT: |
2130 | if (*type->u.kindirect->slot != NULL((void*)0)) |
2131 | return debug_get_type_size (handle, *type->u.kindirect->slot); |
2132 | return 0; |
2133 | case DEBUG_KIND_NAMED: |
2134 | case DEBUG_KIND_TAGGED: |
2135 | return debug_get_type_size (handle, type->u.knamed->type); |
2136 | } |
2137 | /*NOTREACHED*/ |
2138 | } |
2139 | |
2140 | /* Get the return type of a function or method type. */ |
2141 | |
2142 | debug_type |
2143 | debug_get_return_type (void *handle, debug_type type) |
2144 | { |
2145 | if (type == NULL((void*)0)) |
2146 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
2147 | |
2148 | type = debug_get_real_type (handle, type, NULL((void*)0)); |
2149 | if (type == NULL((void*)0)) |
2150 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
2151 | |
2152 | switch (type->kind) |
2153 | { |
2154 | default: |
2155 | return DEBUG_TYPE_NULL((debug_type) ((void*)0)); |
2156 | case DEBUG_KIND_FUNCTION: |
2157 | return type->u.kfunction->return_type; |
2158 | case DEBUG_KIND_METHOD: |
2159 | return type->u.kmethod->return_type; |
2160 | } |
2161 | /*NOTREACHED*/ |
2162 | } |
2163 | |
2164 | /* Get the parameter types of a function or method type (except that |
2165 | we don't currently store the parameter types of a function). */ |
2166 | |
2167 | const debug_type * |
2168 | debug_get_parameter_types (void *handle, debug_type type, |
2169 | bfd_boolean *pvarargs) |
2170 | { |
2171 | if (type == NULL((void*)0)) |
2172 | return NULL((void*)0); |
2173 | |
2174 | type = debug_get_real_type (handle, type, NULL((void*)0)); |
2175 | if (type == NULL((void*)0)) |
2176 | return NULL((void*)0); |
2177 | |
2178 | switch (type->kind) |
2179 | { |
2180 | default: |
2181 | return NULL((void*)0); |
2182 | case DEBUG_KIND_FUNCTION: |
2183 | *pvarargs = type->u.kfunction->varargs; |
2184 | return type->u.kfunction->arg_types; |
2185 | case DEBUG_KIND_METHOD: |
2186 | *pvarargs = type->u.kmethod->varargs; |
2187 | return type->u.kmethod->arg_types; |
2188 | } |
2189 | /*NOTREACHED*/ |
2190 | } |
2191 | |
2192 | /* Get the target type of a type. */ |
2193 | |
2194 | debug_type |
2195 | debug_get_target_type (void *handle, debug_type type) |
2196 | { |
2197 | if (type == NULL((void*)0)) |
2198 | return NULL((void*)0); |
2199 | |
2200 | type = debug_get_real_type (handle, type, NULL((void*)0)); |
2201 | if (type == NULL((void*)0)) |
2202 | return NULL((void*)0); |
2203 | |
2204 | switch (type->kind) |
2205 | { |
2206 | default: |
2207 | return NULL((void*)0); |
2208 | case DEBUG_KIND_POINTER: |
2209 | return type->u.kpointer; |
2210 | case DEBUG_KIND_REFERENCE: |
2211 | return type->u.kreference; |
2212 | case DEBUG_KIND_CONST: |
2213 | return type->u.kconst; |
2214 | case DEBUG_KIND_VOLATILE: |
2215 | return type->u.kvolatile; |
2216 | } |
2217 | /*NOTREACHED*/ |
2218 | } |
2219 | |
2220 | /* Get the NULL terminated array of fields for a struct, union, or |
2221 | class. */ |
2222 | |
2223 | const debug_field * |
2224 | debug_get_fields (void *handle, debug_type type) |
2225 | { |
2226 | if (type == NULL((void*)0)) |
2227 | return NULL((void*)0); |
2228 | |
2229 | type = debug_get_real_type (handle, type, NULL((void*)0)); |
2230 | if (type == NULL((void*)0)) |
2231 | return NULL((void*)0); |
2232 | |
2233 | switch (type->kind) |
2234 | { |
2235 | default: |
2236 | return NULL((void*)0); |
2237 | case DEBUG_KIND_STRUCT: |
2238 | case DEBUG_KIND_UNION: |
2239 | case DEBUG_KIND_CLASS: |
2240 | case DEBUG_KIND_UNION_CLASS: |
2241 | return type->u.kclass->fields; |
2242 | } |
2243 | /*NOTREACHED*/ |
2244 | } |
2245 | |
2246 | /* Get the type of a field. */ |
2247 | |
2248 | debug_type |
2249 | debug_get_field_type (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_field field) |
2250 | { |
2251 | if (field == NULL((void*)0)) |
2252 | return NULL((void*)0); |
2253 | return field->type; |
2254 | } |
2255 | |
2256 | /* Get the name of a field. */ |
2257 | |
2258 | const char * |
2259 | debug_get_field_name (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_field field) |
2260 | { |
2261 | if (field == NULL((void*)0)) |
2262 | return NULL((void*)0); |
2263 | return field->name; |
2264 | } |
2265 | |
2266 | /* Get the bit position of a field. */ |
2267 | |
2268 | bfd_vma |
2269 | debug_get_field_bitpos (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_field field) |
2270 | { |
2271 | if (field == NULL((void*)0) || field->static_member) |
2272 | return (bfd_vma) -1; |
2273 | return field->u.f.bitpos; |
2274 | } |
2275 | |
2276 | /* Get the bit size of a field. */ |
2277 | |
2278 | bfd_vma |
2279 | debug_get_field_bitsize (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_field field) |
2280 | { |
2281 | if (field == NULL((void*)0) || field->static_member) |
2282 | return (bfd_vma) -1; |
2283 | return field->u.f.bitsize; |
2284 | } |
2285 | |
2286 | /* Get the visibility of a field. */ |
2287 | |
2288 | enum debug_visibility |
2289 | debug_get_field_visibility (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_field field) |
2290 | { |
2291 | if (field == NULL((void*)0)) |
2292 | return DEBUG_VISIBILITY_IGNORE; |
2293 | return field->visibility; |
2294 | } |
2295 | |
2296 | /* Get the physical name of a field. */ |
2297 | |
2298 | const char * |
2299 | debug_get_field_physname (void *handle ATTRIBUTE_UNUSED__attribute__ ((__unused__)), debug_field field) |
2300 | { |
2301 | if (field == NULL((void*)0) || ! field->static_member) |
2302 | return NULL((void*)0); |
2303 | return field->u.s.physname; |
2304 | } |
2305 | |
2306 | /* Write out the debugging information. This is given a handle to |
2307 | debugging information, and a set of function pointers to call. */ |
2308 | |
2309 | bfd_boolean |
2310 | debug_write (void *handle, const struct debug_write_fns *fns, void *fhandle) |
2311 | { |
2312 | struct debug_handle *info = (struct debug_handle *) handle; |
2313 | struct debug_unit *u; |
2314 | |
2315 | /* We use a mark to tell whether we have already written out a |
2316 | particular name. We use an integer, so that we don't have to |
2317 | clear the mark fields if we happen to write out the same |
2318 | information more than once. */ |
2319 | ++info->mark; |
2320 | |
2321 | /* The base_id field holds an ID value which will never be used, so |
2322 | that we can tell whether we have assigned an ID during this call |
2323 | to debug_write. */ |
2324 | info->base_id = info->class_id; |
2325 | |
2326 | /* We keep a linked list of classes for which was have assigned ID's |
2327 | during this call to debug_write. */ |
2328 | info->id_list = NULL((void*)0); |
2329 | |
2330 | for (u = info->units; u != NULL((void*)0); u = u->next) |
2331 | { |
2332 | struct debug_file *f; |
2333 | bfd_boolean first_file; |
2334 | |
2335 | info->current_write_lineno = u->linenos; |
2336 | info->current_write_lineno_index = 0; |
2337 | |
2338 | if (! (*fns->start_compilation_unit) (fhandle, u->files->filename)) |
2339 | return FALSE0; |
2340 | |
2341 | first_file = TRUE1; |
2342 | for (f = u->files; f != NULL((void*)0); f = f->next) |
2343 | { |
2344 | struct debug_name *n; |
2345 | |
2346 | if (first_file) |
2347 | first_file = FALSE0; |
2348 | else if (! (*fns->start_source) (fhandle, f->filename)) |
2349 | return FALSE0; |
2350 | |
2351 | if (f->globals != NULL((void*)0)) |
2352 | for (n = f->globals->list; n != NULL((void*)0); n = n->next) |
2353 | if (! debug_write_name (info, fns, fhandle, n)) |
2354 | return FALSE0; |
2355 | } |
2356 | |
2357 | /* Output any line number information which hasn't already been |
2358 | handled. */ |
2359 | if (! debug_write_linenos (info, fns, fhandle, (bfd_vma) -1)) |
2360 | return FALSE0; |
2361 | } |
2362 | |
2363 | return TRUE1; |
2364 | } |
2365 | |
2366 | /* Write out an element in a namespace. */ |
2367 | |
2368 | static bfd_boolean |
2369 | debug_write_name (struct debug_handle *info, |
2370 | const struct debug_write_fns *fns, void *fhandle, |
2371 | struct debug_name *n) |
2372 | { |
2373 | switch (n->kind) |
2374 | { |
2375 | case DEBUG_OBJECT_TYPE: |
2376 | if (! debug_write_type (info, fns, fhandle, n->u.type, n) |
2377 | || ! (*fns->typdef) (fhandle, n->name)) |
2378 | return FALSE0; |
2379 | return TRUE1; |
2380 | case DEBUG_OBJECT_TAG: |
2381 | if (! debug_write_type (info, fns, fhandle, n->u.tag, n)) |
2382 | return FALSE0; |
2383 | return (*fns->tag) (fhandle, n->name); |
2384 | case DEBUG_OBJECT_VARIABLE: |
2385 | if (! debug_write_type (info, fns, fhandle, n->u.variable->type, |
2386 | (struct debug_name *) NULL((void*)0))) |
2387 | return FALSE0; |
2388 | return (*fns->variable) (fhandle, n->name, n->u.variable->kind, |
2389 | n->u.variable->val); |
2390 | case DEBUG_OBJECT_FUNCTION: |
2391 | return debug_write_function (info, fns, fhandle, n->name, |
2392 | n->linkage, n->u.function); |
2393 | case DEBUG_OBJECT_INT_CONSTANT: |
2394 | return (*fns->int_constant) (fhandle, n->name, n->u.int_constant); |
2395 | case DEBUG_OBJECT_FLOAT_CONSTANT: |
2396 | return (*fns->float_constant) (fhandle, n->name, n->u.float_constant); |
2397 | case DEBUG_OBJECT_TYPED_CONSTANT: |
2398 | if (! debug_write_type (info, fns, fhandle, n->u.typed_constant->type, |
2399 | (struct debug_name *) NULL((void*)0))) |
2400 | return FALSE0; |
2401 | return (*fns->typed_constant) (fhandle, n->name, |
2402 | n->u.typed_constant->val); |
2403 | default: |
2404 | abort (); |
2405 | return FALSE0; |
2406 | } |
2407 | /*NOTREACHED*/ |
2408 | } |
2409 | |
2410 | /* Write out a type. If the type is DEBUG_KIND_NAMED or |
2411 | DEBUG_KIND_TAGGED, then the name argument is the name for which we |
2412 | are about to call typedef or tag. If the type is anything else, |
2413 | then the name argument is a tag from a DEBUG_KIND_TAGGED type which |
2414 | points to this one. */ |
2415 | |
2416 | static bfd_boolean |
2417 | debug_write_type (struct debug_handle *info, |
2418 | const struct debug_write_fns *fns, void *fhandle, |
2419 | struct debug_type *type, struct debug_name *name) |
2420 | { |
2421 | unsigned int i; |
2422 | int is; |
2423 | const char *tag = NULL((void*)0); |
2424 | |
2425 | /* If we have a name for this type, just output it. We only output |
2426 | typedef names after they have been defined. We output type tags |
2427 | whenever we are not actually defining them. */ |
2428 | if ((type->kind == DEBUG_KIND_NAMED |
2429 | || type->kind == DEBUG_KIND_TAGGED) |
2430 | && (type->u.knamed->name->mark == info->mark |
2431 | || (type->kind == DEBUG_KIND_TAGGED |
2432 | && type->u.knamed->name != name))) |
2433 | { |
2434 | if (type->kind == DEBUG_KIND_NAMED) |
2435 | return (*fns->typedef_type) (fhandle, type->u.knamed->name->name); |
2436 | else |
2437 | { |
2438 | struct debug_type *real; |
2439 | unsigned int id; |
2440 | |
2441 | real = debug_get_real_type ((void *) info, type, NULL((void*)0)); |
2442 | if (real == NULL((void*)0)) |
2443 | return (*fns->empty_type) (fhandle); |
2444 | id = 0; |
2445 | if ((real->kind == DEBUG_KIND_STRUCT |
2446 | || real->kind == DEBUG_KIND_UNION |
2447 | || real->kind == DEBUG_KIND_CLASS |
2448 | || real->kind == DEBUG_KIND_UNION_CLASS) |
2449 | && real->u.kclass != NULL((void*)0)) |
2450 | { |
2451 | if (real->u.kclass->id <= info->base_id) |
2452 | { |
2453 | if (! debug_set_class_id (info, |
2454 | type->u.knamed->name->name, |
2455 | real)) |
2456 | return FALSE0; |
2457 | } |
2458 | id = real->u.kclass->id; |
2459 | } |
2460 | |
2461 | return (*fns->tag_type) (fhandle, type->u.knamed->name->name, id, |
2462 | real->kind); |
2463 | } |
2464 | } |
2465 | |
2466 | /* Mark the name after we have already looked for a known name, so |
2467 | that we don't just define a type in terms of itself. We need to |
2468 | mark the name here so that a struct containing a pointer to |
2469 | itself will work. */ |
2470 | if (name != NULL((void*)0)) |
2471 | name->mark = info->mark; |
2472 | |
2473 | if (name != NULL((void*)0) |
2474 | && type->kind != DEBUG_KIND_NAMED |
2475 | && type->kind != DEBUG_KIND_TAGGED) |
2476 | { |
2477 | assert (name->kind == DEBUG_OBJECT_TAG)((name->kind == DEBUG_OBJECT_TAG) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 2477, __func__, "name->kind == DEBUG_OBJECT_TAG")); |
2478 | tag = name->name; |
2479 | } |
2480 | |
2481 | switch (type->kind) |
2482 | { |
2483 | case DEBUG_KIND_ILLEGAL: |
2484 | debug_error (_("debug_write_type: illegal type encountered")("debug_write_type: illegal type encountered")); |
2485 | return FALSE0; |
2486 | case DEBUG_KIND_INDIRECT: |
2487 | if (*type->u.kindirect->slot == DEBUG_TYPE_NULL((debug_type) ((void*)0))) |
2488 | return (*fns->empty_type) (fhandle); |
2489 | return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, |
2490 | name); |
2491 | case DEBUG_KIND_VOID: |
2492 | return (*fns->void_type) (fhandle); |
2493 | case DEBUG_KIND_INT: |
2494 | return (*fns->int_type) (fhandle, type->size, type->u.kint); |
2495 | case DEBUG_KIND_FLOAT: |
2496 | return (*fns->float_type) (fhandle, type->size); |
2497 | case DEBUG_KIND_COMPLEX: |
2498 | return (*fns->complex_type) (fhandle, type->size); |
2499 | case DEBUG_KIND_BOOL: |
2500 | return (*fns->bool_type) (fhandle, type->size); |
2501 | case DEBUG_KIND_STRUCT: |
2502 | case DEBUG_KIND_UNION: |
2503 | if (type->u.kclass != NULL((void*)0)) |
2504 | { |
2505 | if (type->u.kclass->id <= info->base_id) |
2506 | { |
2507 | if (! debug_set_class_id (info, tag, type)) |
2508 | return FALSE0; |
2509 | } |
2510 | |
2511 | if (info->mark == type->u.kclass->mark) |
2512 | { |
2513 | /* We are currently outputting this struct, or we have |
2514 | already output it. I don't know if this can happen, |
2515 | but it can happen for a class. */ |
2516 | assert (type->u.kclass->id > info->base_id)((type->u.kclass->id > info->base_id) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 2516, __func__, "type->u.kclass->id > info->base_id" )); |
2517 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, |
2518 | type->kind); |
2519 | } |
2520 | type->u.kclass->mark = info->mark; |
2521 | } |
2522 | |
2523 | if (! (*fns->start_struct_type) (fhandle, tag, |
2524 | (type->u.kclass != NULL((void*)0) |
2525 | ? type->u.kclass->id |
2526 | : 0), |
2527 | type->kind == DEBUG_KIND_STRUCT, |
2528 | type->size)) |
2529 | return FALSE0; |
2530 | if (type->u.kclass != NULL((void*)0) |
2531 | && type->u.kclass->fields != NULL((void*)0)) |
2532 | { |
2533 | for (i = 0; type->u.kclass->fields[i] != NULL((void*)0); i++) |
2534 | { |
2535 | struct debug_field *f; |
2536 | |
2537 | f = type->u.kclass->fields[i]; |
2538 | if (! debug_write_type (info, fns, fhandle, f->type, |
2539 | (struct debug_name *) NULL((void*)0)) |
2540 | || ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, |
2541 | f->u.f.bitsize, f->visibility)) |
2542 | return FALSE0; |
2543 | } |
2544 | } |
2545 | return (*fns->end_struct_type) (fhandle); |
2546 | case DEBUG_KIND_CLASS: |
2547 | case DEBUG_KIND_UNION_CLASS: |
2548 | return debug_write_class_type (info, fns, fhandle, type, tag); |
2549 | case DEBUG_KIND_ENUM: |
2550 | if (type->u.kenum == NULL((void*)0)) |
2551 | return (*fns->enum_type) (fhandle, tag, (const char **) NULL((void*)0), |
2552 | (bfd_signed_vma *) NULL((void*)0)); |
2553 | return (*fns->enum_type) (fhandle, tag, type->u.kenum->names, |
2554 | type->u.kenum->values); |
2555 | case DEBUG_KIND_POINTER: |
2556 | if (! debug_write_type (info, fns, fhandle, type->u.kpointer, |
2557 | (struct debug_name *) NULL((void*)0))) |
2558 | return FALSE0; |
2559 | return (*fns->pointer_type) (fhandle); |
2560 | case DEBUG_KIND_FUNCTION: |
2561 | if (! debug_write_type (info, fns, fhandle, |
2562 | type->u.kfunction->return_type, |
2563 | (struct debug_name *) NULL((void*)0))) |
2564 | return FALSE0; |
2565 | if (type->u.kfunction->arg_types == NULL((void*)0)) |
2566 | is = -1; |
2567 | else |
2568 | { |
2569 | for (is = 0; type->u.kfunction->arg_types[is] != NULL((void*)0); is++) |
2570 | if (! debug_write_type (info, fns, fhandle, |
2571 | type->u.kfunction->arg_types[is], |
2572 | (struct debug_name *) NULL((void*)0))) |
2573 | return FALSE0; |
2574 | } |
2575 | return (*fns->function_type) (fhandle, is, |
2576 | type->u.kfunction->varargs); |
2577 | case DEBUG_KIND_REFERENCE: |
2578 | if (! debug_write_type (info, fns, fhandle, type->u.kreference, |
2579 | (struct debug_name *) NULL((void*)0))) |
2580 | return FALSE0; |
2581 | return (*fns->reference_type) (fhandle); |
2582 | case DEBUG_KIND_RANGE: |
2583 | if (! debug_write_type (info, fns, fhandle, type->u.krange->type, |
2584 | (struct debug_name *) NULL((void*)0))) |
2585 | return FALSE0; |
2586 | return (*fns->range_type) (fhandle, type->u.krange->lower, |
2587 | type->u.krange->upper); |
2588 | case DEBUG_KIND_ARRAY: |
2589 | if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type, |
2590 | (struct debug_name *) NULL((void*)0)) |
2591 | || ! debug_write_type (info, fns, fhandle, |
2592 | type->u.karray->range_type, |
2593 | (struct debug_name *) NULL((void*)0))) |
2594 | return FALSE0; |
2595 | return (*fns->array_type) (fhandle, type->u.karray->lower, |
2596 | type->u.karray->upper, |
2597 | type->u.karray->stringp); |
2598 | case DEBUG_KIND_SET: |
2599 | if (! debug_write_type (info, fns, fhandle, type->u.kset->type, |
2600 | (struct debug_name *) NULL((void*)0))) |
2601 | return FALSE0; |
2602 | return (*fns->set_type) (fhandle, type->u.kset->bitstringp); |
2603 | case DEBUG_KIND_OFFSET: |
2604 | if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type, |
2605 | (struct debug_name *) NULL((void*)0)) |
2606 | || ! debug_write_type (info, fns, fhandle, |
2607 | type->u.koffset->target_type, |
2608 | (struct debug_name *) NULL((void*)0))) |
2609 | return FALSE0; |
2610 | return (*fns->offset_type) (fhandle); |
2611 | case DEBUG_KIND_METHOD: |
2612 | if (! debug_write_type (info, fns, fhandle, |
2613 | type->u.kmethod->return_type, |
2614 | (struct debug_name *) NULL((void*)0))) |
2615 | return FALSE0; |
2616 | if (type->u.kmethod->arg_types == NULL((void*)0)) |
2617 | is = -1; |
2618 | else |
2619 | { |
2620 | for (is = 0; type->u.kmethod->arg_types[is] != NULL((void*)0); is++) |
2621 | if (! debug_write_type (info, fns, fhandle, |
2622 | type->u.kmethod->arg_types[is], |
2623 | (struct debug_name *) NULL((void*)0))) |
2624 | return FALSE0; |
2625 | } |
2626 | if (type->u.kmethod->domain_type != NULL((void*)0)) |
2627 | { |
2628 | if (! debug_write_type (info, fns, fhandle, |
2629 | type->u.kmethod->domain_type, |
2630 | (struct debug_name *) NULL((void*)0))) |
2631 | return FALSE0; |
2632 | } |
2633 | return (*fns->method_type) (fhandle, |
2634 | type->u.kmethod->domain_type != NULL((void*)0), |
2635 | is, |
2636 | type->u.kmethod->varargs); |
2637 | case DEBUG_KIND_CONST: |
2638 | if (! debug_write_type (info, fns, fhandle, type->u.kconst, |
2639 | (struct debug_name *) NULL((void*)0))) |
2640 | return FALSE0; |
2641 | return (*fns->const_type) (fhandle); |
2642 | case DEBUG_KIND_VOLATILE: |
2643 | if (! debug_write_type (info, fns, fhandle, type->u.kvolatile, |
2644 | (struct debug_name *) NULL((void*)0))) |
2645 | return FALSE0; |
2646 | return (*fns->volatile_type) (fhandle); |
2647 | case DEBUG_KIND_NAMED: |
2648 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, |
2649 | (struct debug_name *) NULL((void*)0)); |
2650 | case DEBUG_KIND_TAGGED: |
2651 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, |
2652 | type->u.knamed->name); |
2653 | default: |
2654 | abort (); |
2655 | return FALSE0; |
2656 | } |
2657 | } |
2658 | |
2659 | /* Write out a class type. */ |
2660 | |
2661 | static bfd_boolean |
2662 | debug_write_class_type (struct debug_handle *info, |
2663 | const struct debug_write_fns *fns, void *fhandle, |
2664 | struct debug_type *type, const char *tag) |
2665 | { |
2666 | unsigned int i; |
2667 | unsigned int id; |
2668 | struct debug_type *vptrbase; |
2669 | |
2670 | if (type->u.kclass == NULL((void*)0)) |
2671 | { |
2672 | id = 0; |
2673 | vptrbase = NULL((void*)0); |
2674 | } |
2675 | else |
2676 | { |
2677 | if (type->u.kclass->id <= info->base_id) |
2678 | { |
2679 | if (! debug_set_class_id (info, tag, type)) |
2680 | return FALSE0; |
2681 | } |
2682 | |
2683 | if (info->mark == type->u.kclass->mark) |
2684 | { |
2685 | /* We are currently outputting this class, or we have |
2686 | already output it. This can happen when there are |
2687 | methods for an anonymous class. */ |
2688 | assert (type->u.kclass->id > info->base_id)((type->u.kclass->id > info->base_id) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 2688, __func__, "type->u.kclass->id > info->base_id" )); |
2689 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, |
2690 | type->kind); |
2691 | } |
2692 | type->u.kclass->mark = info->mark; |
2693 | id = type->u.kclass->id; |
2694 | |
2695 | vptrbase = type->u.kclass->vptrbase; |
2696 | if (vptrbase != NULL((void*)0) && vptrbase != type) |
2697 | { |
2698 | if (! debug_write_type (info, fns, fhandle, vptrbase, |
2699 | (struct debug_name *) NULL((void*)0))) |
2700 | return FALSE0; |
2701 | } |
2702 | } |
2703 | |
2704 | if (! (*fns->start_class_type) (fhandle, tag, id, |
2705 | type->kind == DEBUG_KIND_CLASS, |
2706 | type->size, |
2707 | vptrbase != NULL((void*)0), |
2708 | vptrbase == type)) |
2709 | return FALSE0; |
2710 | |
2711 | if (type->u.kclass != NULL((void*)0)) |
2712 | { |
2713 | if (type->u.kclass->fields != NULL((void*)0)) |
2714 | { |
2715 | for (i = 0; type->u.kclass->fields[i] != NULL((void*)0); i++) |
2716 | { |
2717 | struct debug_field *f; |
2718 | |
2719 | f = type->u.kclass->fields[i]; |
2720 | if (! debug_write_type (info, fns, fhandle, f->type, |
2721 | (struct debug_name *) NULL((void*)0))) |
2722 | return FALSE0; |
2723 | if (f->static_member) |
2724 | { |
2725 | if (! (*fns->class_static_member) (fhandle, f->name, |
2726 | f->u.s.physname, |
2727 | f->visibility)) |
2728 | return FALSE0; |
2729 | } |
2730 | else |
2731 | { |
2732 | if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, |
2733 | f->u.f.bitsize, f->visibility)) |
2734 | return FALSE0; |
2735 | } |
2736 | } |
2737 | } |
2738 | |
2739 | if (type->u.kclass->baseclasses != NULL((void*)0)) |
2740 | { |
2741 | for (i = 0; type->u.kclass->baseclasses[i] != NULL((void*)0); i++) |
2742 | { |
2743 | struct debug_baseclass *b; |
2744 | |
2745 | b = type->u.kclass->baseclasses[i]; |
2746 | if (! debug_write_type (info, fns, fhandle, b->type, |
2747 | (struct debug_name *) NULL((void*)0))) |
2748 | return FALSE0; |
2749 | if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->virtual, |
2750 | b->visibility)) |
2751 | return FALSE0; |
2752 | } |
2753 | } |
2754 | |
2755 | if (type->u.kclass->methods != NULL((void*)0)) |
2756 | { |
2757 | for (i = 0; type->u.kclass->methods[i] != NULL((void*)0); i++) |
2758 | { |
2759 | struct debug_method *m; |
2760 | unsigned int j; |
2761 | |
2762 | m = type->u.kclass->methods[i]; |
2763 | if (! (*fns->class_start_method) (fhandle, m->name)) |
2764 | return FALSE0; |
2765 | for (j = 0; m->variants[j] != NULL((void*)0); j++) |
2766 | { |
2767 | struct debug_method_variant *v; |
2768 | |
2769 | v = m->variants[j]; |
2770 | if (v->context != NULL((void*)0)) |
2771 | { |
2772 | if (! debug_write_type (info, fns, fhandle, v->context, |
2773 | (struct debug_name *) NULL((void*)0))) |
2774 | return FALSE0; |
2775 | } |
2776 | if (! debug_write_type (info, fns, fhandle, v->type, |
2777 | (struct debug_name *) NULL((void*)0))) |
2778 | return FALSE0; |
2779 | if (v->voffset != VOFFSET_STATIC_METHOD((bfd_vma) -1)) |
2780 | { |
2781 | if (! (*fns->class_method_variant) (fhandle, v->physname, |
2782 | v->visibility, |
2783 | v->constp, |
2784 | v->volatilep, |
2785 | v->voffset, |
2786 | v->context != NULL((void*)0))) |
2787 | return FALSE0; |
2788 | } |
2789 | else |
2790 | { |
2791 | if (! (*fns->class_static_method_variant) (fhandle, |
2792 | v->physname, |
2793 | v->visibility, |
2794 | v->constp, |
2795 | v->volatilep)) |
2796 | return FALSE0; |
2797 | } |
2798 | } |
2799 | if (! (*fns->class_end_method) (fhandle)) |
2800 | return FALSE0; |
2801 | } |
2802 | } |
2803 | } |
2804 | |
2805 | return (*fns->end_class_type) (fhandle); |
2806 | } |
2807 | |
2808 | /* Write out information for a function. */ |
2809 | |
2810 | static bfd_boolean |
2811 | debug_write_function (struct debug_handle *info, |
2812 | const struct debug_write_fns *fns, void *fhandle, |
2813 | const char *name, enum debug_object_linkage linkage, |
2814 | struct debug_function *function) |
2815 | { |
2816 | struct debug_parameter *p; |
2817 | struct debug_block *b; |
2818 | |
2819 | if (! debug_write_linenos (info, fns, fhandle, function->blocks->start)) |
2820 | return FALSE0; |
2821 | |
2822 | if (! debug_write_type (info, fns, fhandle, function->return_type, |
2823 | (struct debug_name *) NULL((void*)0))) |
2824 | return FALSE0; |
2825 | |
2826 | if (! (*fns->start_function) (fhandle, name, |
2827 | linkage == DEBUG_LINKAGE_GLOBAL)) |
2828 | return FALSE0; |
2829 | |
2830 | for (p = function->parameters; p != NULL((void*)0); p = p->next) |
2831 | { |
2832 | if (! debug_write_type (info, fns, fhandle, p->type, |
2833 | (struct debug_name *) NULL((void*)0)) |
2834 | || ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val)) |
2835 | return FALSE0; |
2836 | } |
2837 | |
2838 | for (b = function->blocks; b != NULL((void*)0); b = b->next) |
2839 | { |
2840 | if (! debug_write_block (info, fns, fhandle, b)) |
2841 | return FALSE0; |
2842 | } |
2843 | |
2844 | return (*fns->end_function) (fhandle); |
2845 | } |
2846 | |
2847 | /* Write out information for a block. */ |
2848 | |
2849 | static bfd_boolean |
2850 | debug_write_block (struct debug_handle *info, |
2851 | const struct debug_write_fns *fns, void *fhandle, |
2852 | struct debug_block *block) |
2853 | { |
2854 | struct debug_name *n; |
2855 | struct debug_block *b; |
2856 | |
2857 | if (! debug_write_linenos (info, fns, fhandle, block->start)) |
2858 | return FALSE0; |
2859 | |
2860 | /* I can't see any point to writing out a block with no local |
2861 | variables, so we don't bother, except for the top level block. */ |
2862 | if (block->locals != NULL((void*)0) || block->parent == NULL((void*)0)) |
2863 | { |
2864 | if (! (*fns->start_block) (fhandle, block->start)) |
2865 | return FALSE0; |
2866 | } |
2867 | |
2868 | if (block->locals != NULL((void*)0)) |
2869 | { |
2870 | for (n = block->locals->list; n != NULL((void*)0); n = n->next) |
2871 | { |
2872 | if (! debug_write_name (info, fns, fhandle, n)) |
2873 | return FALSE0; |
2874 | } |
2875 | } |
2876 | |
2877 | for (b = block->children; b != NULL((void*)0); b = b->next) |
2878 | { |
2879 | if (! debug_write_block (info, fns, fhandle, b)) |
2880 | return FALSE0; |
2881 | } |
2882 | |
2883 | if (! debug_write_linenos (info, fns, fhandle, block->end)) |
2884 | return FALSE0; |
2885 | |
2886 | if (block->locals != NULL((void*)0) || block->parent == NULL((void*)0)) |
2887 | { |
2888 | if (! (*fns->end_block) (fhandle, block->end)) |
2889 | return FALSE0; |
2890 | } |
2891 | |
2892 | return TRUE1; |
2893 | } |
2894 | |
2895 | /* Write out line number information up to ADDRESS. */ |
2896 | |
2897 | static bfd_boolean |
2898 | debug_write_linenos (struct debug_handle *info, |
2899 | const struct debug_write_fns *fns, void *fhandle, |
2900 | bfd_vma address) |
2901 | { |
2902 | while (info->current_write_lineno != NULL((void*)0)) |
2903 | { |
2904 | struct debug_lineno *l; |
2905 | |
2906 | l = info->current_write_lineno; |
2907 | |
2908 | while (info->current_write_lineno_index < DEBUG_LINENO_COUNT10) |
2909 | { |
2910 | if (l->linenos[info->current_write_lineno_index] |
2911 | == (unsigned long) -1) |
2912 | break; |
2913 | |
2914 | if (l->addrs[info->current_write_lineno_index] >= address) |
2915 | return TRUE1; |
2916 | |
2917 | if (! (*fns->lineno) (fhandle, l->file->filename, |
2918 | l->linenos[info->current_write_lineno_index], |
2919 | l->addrs[info->current_write_lineno_index])) |
2920 | return FALSE0; |
2921 | |
2922 | ++info->current_write_lineno_index; |
2923 | } |
2924 | |
2925 | info->current_write_lineno = l->next; |
2926 | info->current_write_lineno_index = 0; |
2927 | } |
2928 | |
2929 | return TRUE1; |
2930 | } |
2931 | |
2932 | /* Get the ID number for a class. If during the same call to |
2933 | debug_write we find a struct with the same definition with the same |
2934 | name, we use the same ID. This type of things happens because the |
2935 | same struct will be defined by multiple compilation units. */ |
2936 | |
2937 | static bfd_boolean |
2938 | debug_set_class_id (struct debug_handle *info, const char *tag, |
2939 | struct debug_type *type) |
2940 | { |
2941 | struct debug_class_type *c; |
2942 | struct debug_class_id *l; |
2943 | |
2944 | assert (type->kind == DEBUG_KIND_STRUCT((type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS ) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 2947, __func__, "type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS" )) |
2945 | || type->kind == DEBUG_KIND_UNION((type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS ) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 2947, __func__, "type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS" )) |
2946 | || type->kind == DEBUG_KIND_CLASS((type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS ) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 2947, __func__, "type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS" )) |
2947 | || type->kind == DEBUG_KIND_UNION_CLASS)((type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS ) ? (void)0 : __assert2("/usr/src/gnu/usr.bin/binutils-2.17/binutils/debug.c" , 2947, __func__, "type->kind == DEBUG_KIND_STRUCT || type->kind == DEBUG_KIND_UNION || type->kind == DEBUG_KIND_CLASS || type->kind == DEBUG_KIND_UNION_CLASS" )); |
2948 | |
2949 | c = type->u.kclass; |
2950 | |
2951 | if (c->id > info->base_id) |
2952 | return TRUE1; |
2953 | |
2954 | for (l = info->id_list; l != NULL((void*)0); l = l->next) |
2955 | { |
2956 | if (l->type->kind != type->kind) |
2957 | continue; |
2958 | |
2959 | if (tag == NULL((void*)0)) |
2960 | { |
2961 | if (l->tag != NULL((void*)0)) |
2962 | continue; |
2963 | } |
2964 | else |
2965 | { |
2966 | if (l->tag == NULL((void*)0) |
2967 | || l->tag[0] != tag[0] |
2968 | || strcmp (l->tag, tag) != 0) |
2969 | continue; |
2970 | } |
2971 | |
2972 | if (debug_type_samep (info, l->type, type)) |
2973 | { |
2974 | c->id = l->type->u.kclass->id; |
2975 | return TRUE1; |
2976 | } |
2977 | } |
2978 | |
2979 | /* There are no identical types. Use a new ID, and add it to the |
2980 | list. */ |
2981 | ++info->class_id; |
2982 | c->id = info->class_id; |
2983 | |
2984 | l = (struct debug_class_id *) xmalloc (sizeof *l); |
2985 | memset (l, 0, sizeof *l); |
2986 | |
2987 | l->type = type; |
2988 | l->tag = tag; |
2989 | |
2990 | l->next = info->id_list; |
2991 | info->id_list = l; |
2992 | |
2993 | return TRUE1; |
2994 | } |
2995 | |
2996 | /* See if two types are the same. At this point, we don't care about |
2997 | tags and the like. */ |
2998 | |
2999 | static bfd_boolean |
3000 | debug_type_samep (struct debug_handle *info, struct debug_type *t1, |
3001 | struct debug_type *t2) |
3002 | { |
3003 | struct debug_type_compare_list *l; |
3004 | struct debug_type_compare_list top; |
3005 | bfd_boolean ret; |
3006 | |
3007 | if (t1 == NULL((void*)0)) |
3008 | return t2 == NULL((void*)0); |
3009 | if (t2 == NULL((void*)0)) |
3010 | return FALSE0; |
3011 | |
3012 | while (t1->kind == DEBUG_KIND_INDIRECT) |
3013 | { |
3014 | t1 = *t1->u.kindirect->slot; |
3015 | if (t1 == NULL((void*)0)) |
3016 | return FALSE0; |
3017 | } |
3018 | while (t2->kind == DEBUG_KIND_INDIRECT) |
3019 | { |
3020 | t2 = *t2->u.kindirect->slot; |
3021 | if (t2 == NULL((void*)0)) |
3022 | return FALSE0; |
3023 | } |
3024 | |
3025 | if (t1 == t2) |
3026 | return TRUE1; |
3027 | |
3028 | /* As a special case, permit a typedef to match a tag, since C++ |
3029 | debugging output will sometimes add a typedef where C debugging |
3030 | output will not. */ |
3031 | if (t1->kind == DEBUG_KIND_NAMED |
3032 | && t2->kind == DEBUG_KIND_TAGGED) |
3033 | return debug_type_samep (info, t1->u.knamed->type, t2); |
3034 | else if (t1->kind == DEBUG_KIND_TAGGED |
3035 | && t2->kind == DEBUG_KIND_NAMED) |
3036 | return debug_type_samep (info, t1, t2->u.knamed->type); |
3037 | |
3038 | if (t1->kind != t2->kind |
3039 | || t1->size != t2->size) |
3040 | return FALSE0; |
3041 | |
3042 | /* Get rid of the trivial cases first. */ |
3043 | switch (t1->kind) |
3044 | { |
3045 | default: |
3046 | break; |
3047 | case DEBUG_KIND_VOID: |
3048 | case DEBUG_KIND_FLOAT: |
3049 | case DEBUG_KIND_COMPLEX: |
3050 | case DEBUG_KIND_BOOL: |
3051 | return TRUE1; |
3052 | case DEBUG_KIND_INT: |
3053 | return t1->u.kint == t2->u.kint; |
3054 | } |
3055 | |
3056 | /* We have to avoid an infinite recursion. We do this by keeping a |
3057 | list of types which we are comparing. We just keep the list on |
3058 | the stack. If we encounter a pair of types we are currently |
3059 | comparing, we just assume that they are equal. */ |
3060 | for (l = info->compare_list; l != NULL((void*)0); l = l->next) |
3061 | { |
3062 | if (l->t1 == t1 && l->t2 == t2) |
3063 | return TRUE1; |
3064 | } |
3065 | |
3066 | top.t1 = t1; |
3067 | top.t2 = t2; |
3068 | top.next = info->compare_list; |
3069 | info->compare_list = ⊤ |
3070 | |
3071 | switch (t1->kind) |
3072 | { |
3073 | default: |
3074 | abort (); |
3075 | ret = FALSE0; |
3076 | break; |
3077 | |
3078 | case DEBUG_KIND_STRUCT: |
3079 | case DEBUG_KIND_UNION: |
3080 | case DEBUG_KIND_CLASS: |
3081 | case DEBUG_KIND_UNION_CLASS: |
3082 | if (t1->u.kclass == NULL((void*)0)) |
3083 | ret = t2->u.kclass == NULL((void*)0); |
3084 | else if (t2->u.kclass == NULL((void*)0)) |
3085 | ret = FALSE0; |
3086 | else if (t1->u.kclass->id > info->base_id |
3087 | && t1->u.kclass->id == t2->u.kclass->id) |
3088 | ret = TRUE1; |
3089 | else |
3090 | ret = debug_class_type_samep (info, t1, t2); |
3091 | break; |
3092 | |
3093 | case DEBUG_KIND_ENUM: |
3094 | if (t1->u.kenum == NULL((void*)0)) |
3095 | ret = t2->u.kenum == NULL((void*)0); |
3096 | else if (t2->u.kenum == NULL((void*)0)) |
3097 | ret = FALSE0; |
3098 | else |
3099 | { |
3100 | const char **pn1, **pn2; |
3101 | bfd_signed_vma *pv1, *pv2; |
3102 | |
3103 | pn1 = t1->u.kenum->names; |
3104 | pn2 = t2->u.kenum->names; |
3105 | pv1 = t1->u.kenum->values; |
3106 | pv2 = t2->u.kenum->values; |
3107 | while (*pn1 != NULL((void*)0) && *pn2 != NULL((void*)0)) |
3108 | { |
3109 | if (**pn1 != **pn2 |
3110 | || *pv1 != *pv2 |
3111 | || strcmp (*pn1, *pn2) != 0) |
3112 | break; |
3113 | ++pn1; |
3114 | ++pn2; |
3115 | ++pv1; |
3116 | ++pv2; |
3117 | } |
3118 | ret = *pn1 == NULL((void*)0) && *pn2 == NULL((void*)0); |
3119 | } |
3120 | break; |
3121 | |
3122 | case DEBUG_KIND_POINTER: |
3123 | ret = debug_type_samep (info, t1->u.kpointer, t2->u.kpointer); |
3124 | break; |
3125 | |
3126 | case DEBUG_KIND_FUNCTION: |
3127 | if (t1->u.kfunction->varargs != t2->u.kfunction->varargs |
3128 | || ! debug_type_samep (info, t1->u.kfunction->return_type, |
3129 | t2->u.kfunction->return_type) |
3130 | || ((t1->u.kfunction->arg_types == NULL((void*)0)) |
3131 | != (t2->u.kfunction->arg_types == NULL((void*)0)))) |
3132 | ret = FALSE0; |
3133 | else if (t1->u.kfunction->arg_types == NULL((void*)0)) |
3134 | ret = TRUE1; |
3135 | else |
3136 | { |
3137 | struct debug_type **a1, **a2; |
3138 | |
3139 | a1 = t1->u.kfunction->arg_types; |
3140 | a2 = t2->u.kfunction->arg_types; |
3141 | while (*a1 != NULL((void*)0) && *a2 != NULL((void*)0)) |
3142 | { |
3143 | if (! debug_type_samep (info, *a1, *a2)) |
3144 | break; |
3145 | ++a1; |
3146 | ++a2; |
3147 | } |
3148 | ret = *a1 == NULL((void*)0) && *a2 == NULL((void*)0); |
3149 | } |
3150 | break; |
3151 | |
3152 | case DEBUG_KIND_REFERENCE: |
3153 | ret = debug_type_samep (info, t1->u.kreference, t2->u.kreference); |
3154 | break; |
3155 | |
3156 | case DEBUG_KIND_RANGE: |
3157 | ret = (t1->u.krange->lower == t2->u.krange->lower |
Value stored to 'ret' is never read | |
3158 | && t1->u.krange->upper == t2->u.krange->upper |
3159 | && debug_type_samep (info, t1->u.krange->type, |
3160 | t2->u.krange->type)); |
3161 | |
3162 | case DEBUG_KIND_ARRAY: |
3163 | ret = (t1->u.karray->lower == t2->u.karray->lower |
3164 | && t1->u.karray->upper == t2->u.karray->upper |
3165 | && t1->u.karray->stringp == t2->u.karray->stringp |
3166 | && debug_type_samep (info, t1->u.karray->element_type, |
3167 | t2->u.karray->element_type)); |
3168 | break; |
3169 | |
3170 | case DEBUG_KIND_SET: |
3171 | ret = (t1->u.kset->bitstringp == t2->u.kset->bitstringp |
3172 | && debug_type_samep (info, t1->u.kset->type, t2->u.kset->type)); |
3173 | break; |
3174 | |
3175 | case DEBUG_KIND_OFFSET: |
3176 | ret = (debug_type_samep (info, t1->u.koffset->base_type, |
3177 | t2->u.koffset->base_type) |
3178 | && debug_type_samep (info, t1->u.koffset->target_type, |
3179 | t2->u.koffset->target_type)); |
3180 | break; |
3181 | |
3182 | case DEBUG_KIND_METHOD: |
3183 | if (t1->u.kmethod->varargs != t2->u.kmethod->varargs |
3184 | || ! debug_type_samep (info, t1->u.kmethod->return_type, |
3185 | t2->u.kmethod->return_type) |
3186 | || ! debug_type_samep (info, t1->u.kmethod->domain_type, |
3187 | t2->u.kmethod->domain_type) |
3188 | || ((t1->u.kmethod->arg_types == NULL((void*)0)) |
3189 | != (t2->u.kmethod->arg_types == NULL((void*)0)))) |
3190 | ret = FALSE0; |
3191 | else if (t1->u.kmethod->arg_types == NULL((void*)0)) |
3192 | ret = TRUE1; |
3193 | else |
3194 | { |
3195 | struct debug_type **a1, **a2; |
3196 | |
3197 | a1 = t1->u.kmethod->arg_types; |
3198 | a2 = t2->u.kmethod->arg_types; |
3199 | while (*a1 != NULL((void*)0) && *a2 != NULL((void*)0)) |
3200 | { |
3201 | if (! debug_type_samep (info, *a1, *a2)) |
3202 | break; |
3203 | ++a1; |
3204 | ++a2; |
3205 | } |
3206 | ret = *a1 == NULL((void*)0) && *a2 == NULL((void*)0); |
3207 | } |
3208 | break; |
3209 | |
3210 | case DEBUG_KIND_CONST: |
3211 | ret = debug_type_samep (info, t1->u.kconst, t2->u.kconst); |
3212 | break; |
3213 | |
3214 | case DEBUG_KIND_VOLATILE: |
3215 | ret = debug_type_samep (info, t1->u.kvolatile, t2->u.kvolatile); |
3216 | break; |
3217 | |
3218 | case DEBUG_KIND_NAMED: |
3219 | case DEBUG_KIND_TAGGED: |
3220 | ret = (strcmp (t1->u.knamed->name->name, t2->u.knamed->name->name) == 0 |
3221 | && debug_type_samep (info, t1->u.knamed->type, |
3222 | t2->u.knamed->type)); |
3223 | break; |
3224 | } |
3225 | |
3226 | info->compare_list = top.next; |
3227 | |
3228 | return ret; |
3229 | } |
3230 | |
3231 | /* See if two classes are the same. This is a subroutine of |
3232 | debug_type_samep. */ |
3233 | |
3234 | static bfd_boolean |
3235 | debug_class_type_samep (struct debug_handle *info, struct debug_type *t1, |
3236 | struct debug_type *t2) |
3237 | { |
3238 | struct debug_class_type *c1, *c2; |
3239 | |
3240 | c1 = t1->u.kclass; |
3241 | c2 = t2->u.kclass; |
3242 | |
3243 | if ((c1->fields == NULL((void*)0)) != (c2->fields == NULL((void*)0)) |
3244 | || (c1->baseclasses == NULL((void*)0)) != (c2->baseclasses == NULL((void*)0)) |
3245 | || (c1->methods == NULL((void*)0)) != (c2->methods == NULL((void*)0)) |
3246 | || (c1->vptrbase == NULL((void*)0)) != (c2->vptrbase == NULL((void*)0))) |
3247 | return FALSE0; |
3248 | |
3249 | if (c1->fields != NULL((void*)0)) |
3250 | { |
3251 | struct debug_field **pf1, **pf2; |
3252 | |
3253 | for (pf1 = c1->fields, pf2 = c2->fields; |
3254 | *pf1 != NULL((void*)0) && *pf2 != NULL((void*)0); |
3255 | pf1++, pf2++) |
3256 | { |
3257 | struct debug_field *f1, *f2; |
3258 | |
3259 | f1 = *pf1; |
3260 | f2 = *pf2; |
3261 | if (f1->name[0] != f2->name[0] |
3262 | || f1->visibility != f2->visibility |
3263 | || f1->static_member != f2->static_member) |
3264 | return FALSE0; |
3265 | if (f1->static_member) |
3266 | { |
3267 | if (strcmp (f1->u.s.physname, f2->u.s.physname) != 0) |
3268 | return FALSE0; |
3269 | } |
3270 | else |
3271 | { |
3272 | if (f1->u.f.bitpos != f2->u.f.bitpos |
3273 | || f1->u.f.bitsize != f2->u.f.bitsize) |
3274 | return FALSE0; |
3275 | } |
3276 | /* We do the checks which require function calls last. We |
3277 | don't require that the types of fields have the same |
3278 | names, since that sometimes fails in the presence of |
3279 | typedefs and we really don't care. */ |
3280 | if (strcmp (f1->name, f2->name) != 0 |
3281 | || ! debug_type_samep (info, |
3282 | debug_get_real_type ((void *) info, |
3283 | f1->type, NULL((void*)0)), |
3284 | debug_get_real_type ((void *) info, |
3285 | f2->type, NULL((void*)0)))) |
3286 | return FALSE0; |
3287 | } |
3288 | if (*pf1 != NULL((void*)0) || *pf2 != NULL((void*)0)) |
3289 | return FALSE0; |
3290 | } |
3291 | |
3292 | if (c1->vptrbase != NULL((void*)0)) |
3293 | { |
3294 | if (! debug_type_samep (info, c1->vptrbase, c2->vptrbase)) |
3295 | return FALSE0; |
3296 | } |
3297 | |
3298 | if (c1->baseclasses != NULL((void*)0)) |
3299 | { |
3300 | struct debug_baseclass **pb1, **pb2; |
3301 | |
3302 | for (pb1 = c1->baseclasses, pb2 = c2->baseclasses; |
3303 | *pb1 != NULL((void*)0) && *pb2 != NULL((void*)0); |
3304 | ++pb1, ++pb2) |
3305 | { |
3306 | struct debug_baseclass *b1, *b2; |
3307 | |
3308 | b1 = *pb1; |
3309 | b2 = *pb2; |
3310 | if (b1->bitpos != b2->bitpos |
3311 | || b1->virtual != b2->virtual |
3312 | || b1->visibility != b2->visibility |
3313 | || ! debug_type_samep (info, b1->type, b2->type)) |
3314 | return FALSE0; |
3315 | } |
3316 | if (*pb1 != NULL((void*)0) || *pb2 != NULL((void*)0)) |
3317 | return FALSE0; |
3318 | } |
3319 | |
3320 | if (c1->methods != NULL((void*)0)) |
3321 | { |
3322 | struct debug_method **pm1, **pm2; |
3323 | |
3324 | for (pm1 = c1->methods, pm2 = c2->methods; |
3325 | *pm1 != NULL((void*)0) && *pm2 != NULL((void*)0); |
3326 | ++pm1, ++pm2) |
3327 | { |
3328 | struct debug_method *m1, *m2; |
3329 | |
3330 | m1 = *pm1; |
3331 | m2 = *pm2; |
3332 | if (m1->name[0] != m2->name[0] |
3333 | || strcmp (m1->name, m2->name) != 0 |
3334 | || (m1->variants == NULL((void*)0)) != (m2->variants == NULL((void*)0))) |
3335 | return FALSE0; |
3336 | if (m1->variants == NULL((void*)0)) |
3337 | { |
3338 | struct debug_method_variant **pv1, **pv2; |
3339 | |
3340 | for (pv1 = m1->variants, pv2 = m2->variants; |
3341 | *pv1 != NULL((void*)0) && *pv2 != NULL((void*)0); |
3342 | ++pv1, ++pv2) |
3343 | { |
3344 | struct debug_method_variant *v1, *v2; |
3345 | |
3346 | v1 = *pv1; |
3347 | v2 = *pv2; |
3348 | if (v1->physname[0] != v2->physname[0] |
3349 | || v1->visibility != v2->visibility |
3350 | || v1->constp != v2->constp |
3351 | || v1->volatilep != v2->volatilep |
3352 | || v1->voffset != v2->voffset |
3353 | || (v1->context == NULL((void*)0)) != (v2->context == NULL((void*)0)) |
3354 | || strcmp (v1->physname, v2->physname) != 0 |
3355 | || ! debug_type_samep (info, v1->type, v2->type)) |
3356 | return FALSE0; |
3357 | if (v1->context != NULL((void*)0)) |
3358 | { |
3359 | if (! debug_type_samep (info, v1->context, |
3360 | v2->context)) |
3361 | return FALSE0; |
3362 | } |
3363 | } |
3364 | if (*pv1 != NULL((void*)0) || *pv2 != NULL((void*)0)) |
3365 | return FALSE0; |
3366 | } |
3367 | } |
3368 | if (*pm1 != NULL((void*)0) || *pm2 != NULL((void*)0)) |
3369 | return FALSE0; |
3370 | } |
3371 | |
3372 | return TRUE1; |
3373 | } |