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252b5132 | 1 | /* debug.c -- Handle generic debugging information. |
3a1a2036 | 2 | Copyright 1995, 1996, 1997, 1998, 2000, 2002 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Ian Lance Taylor <ian@cygnus.com>. |
4 | ||
5 | This file is part of GNU Binutils. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
22 | /* This file implements a generic debugging format. We may eventually | |
23 | have readers which convert different formats into this generic | |
24 | format, and writers which write it out. The initial impetus for | |
25 | this was writing a convertor from stabs to HP IEEE-695 debugging | |
26 | format. */ | |
27 | ||
28 | #include <stdio.h> | |
29 | #include <assert.h> | |
30 | ||
31 | #include "bfd.h" | |
32 | #include "bucomm.h" | |
33 | #include "libiberty.h" | |
34 | #include "debug.h" | |
35 | ||
36 | /* Global information we keep for debugging. A pointer to this | |
37 | structure is the debugging handle passed to all the routines. */ | |
38 | ||
39 | struct debug_handle | |
40 | { | |
41 | /* A linked list of compilation units. */ | |
42 | struct debug_unit *units; | |
43 | /* The current compilation unit. */ | |
44 | struct debug_unit *current_unit; | |
45 | /* The current source file. */ | |
46 | struct debug_file *current_file; | |
47 | /* The current function. */ | |
48 | struct debug_function *current_function; | |
49 | /* The current block. */ | |
50 | struct debug_block *current_block; | |
51 | /* The current line number information for the current unit. */ | |
52 | struct debug_lineno *current_lineno; | |
53 | /* Mark. This is used by debug_write. */ | |
54 | unsigned int mark; | |
55 | /* A struct/class ID used by debug_write. */ | |
56 | unsigned int class_id; | |
57 | /* The base for class_id for this call to debug_write. */ | |
58 | unsigned int base_id; | |
59 | /* The current line number in debug_write. */ | |
60 | struct debug_lineno *current_write_lineno; | |
61 | unsigned int current_write_lineno_index; | |
62 | /* A list of classes which have assigned ID's during debug_write. | |
63 | This is linked through the next_id field of debug_class_type. */ | |
64 | struct debug_class_id *id_list; | |
65 | /* A list used to avoid recursion during debug_type_samep. */ | |
66 | struct debug_type_compare_list *compare_list; | |
67 | }; | |
68 | ||
69 | /* Information we keep for a single compilation unit. */ | |
70 | ||
71 | struct debug_unit | |
72 | { | |
73 | /* The next compilation unit. */ | |
74 | struct debug_unit *next; | |
75 | /* A list of files included in this compilation unit. The first | |
76 | file is always the main one, and that is where the main file name | |
77 | is stored. */ | |
78 | struct debug_file *files; | |
79 | /* Line number information for this compilation unit. This is not | |
80 | stored by function, because assembler code may have line number | |
81 | information without function information. */ | |
82 | struct debug_lineno *linenos; | |
83 | }; | |
84 | ||
85 | /* Information kept for a single source file. */ | |
86 | ||
87 | struct debug_file | |
88 | { | |
89 | /* The next source file in this compilation unit. */ | |
90 | struct debug_file *next; | |
91 | /* The name of the source file. */ | |
92 | const char *filename; | |
93 | /* Global functions, variables, types, etc. */ | |
94 | struct debug_namespace *globals; | |
95 | }; | |
96 | ||
97 | /* A type. */ | |
98 | ||
99 | struct debug_type | |
100 | { | |
101 | /* Kind of type. */ | |
102 | enum debug_type_kind kind; | |
103 | /* Size of type (0 if not known). */ | |
104 | unsigned int size; | |
105 | /* Type which is a pointer to this type. */ | |
106 | debug_type pointer; | |
107 | /* Tagged union with additional information about the type. */ | |
108 | union | |
109 | { | |
110 | /* DEBUG_KIND_INDIRECT. */ | |
111 | struct debug_indirect_type *kindirect; | |
112 | /* DEBUG_KIND_INT. */ | |
113 | /* Whether the integer is unsigned. */ | |
114 | boolean kint; | |
115 | /* DEBUG_KIND_STRUCT, DEBUG_KIND_UNION, DEBUG_KIND_CLASS, | |
116 | DEBUG_KIND_UNION_CLASS. */ | |
117 | struct debug_class_type *kclass; | |
118 | /* DEBUG_KIND_ENUM. */ | |
119 | struct debug_enum_type *kenum; | |
120 | /* DEBUG_KIND_POINTER. */ | |
121 | struct debug_type *kpointer; | |
122 | /* DEBUG_KIND_FUNCTION. */ | |
123 | struct debug_function_type *kfunction; | |
124 | /* DEBUG_KIND_REFERENCE. */ | |
125 | struct debug_type *kreference; | |
126 | /* DEBUG_KIND_RANGE. */ | |
127 | struct debug_range_type *krange; | |
128 | /* DEBUG_KIND_ARRAY. */ | |
129 | struct debug_array_type *karray; | |
130 | /* DEBUG_KIND_SET. */ | |
131 | struct debug_set_type *kset; | |
132 | /* DEBUG_KIND_OFFSET. */ | |
133 | struct debug_offset_type *koffset; | |
134 | /* DEBUG_KIND_METHOD. */ | |
135 | struct debug_method_type *kmethod; | |
136 | /* DEBUG_KIND_CONST. */ | |
137 | struct debug_type *kconst; | |
138 | /* DEBUG_KIND_VOLATILE. */ | |
139 | struct debug_type *kvolatile; | |
140 | /* DEBUG_KIND_NAMED, DEBUG_KIND_TAGGED. */ | |
141 | struct debug_named_type *knamed; | |
142 | } u; | |
143 | }; | |
144 | ||
145 | /* Information kept for an indirect type. */ | |
146 | ||
147 | struct debug_indirect_type | |
148 | { | |
149 | /* Slot where the final type will appear. */ | |
150 | debug_type *slot; | |
151 | /* Tag. */ | |
152 | const char *tag; | |
153 | }; | |
154 | ||
155 | /* Information kept for a struct, union, or class. */ | |
156 | ||
157 | struct debug_class_type | |
158 | { | |
159 | /* NULL terminated array of fields. */ | |
160 | debug_field *fields; | |
161 | /* A mark field which indicates whether the struct has already been | |
162 | printed. */ | |
163 | unsigned int mark; | |
164 | /* This is used to uniquely identify unnamed structs when printing. */ | |
165 | unsigned int id; | |
166 | /* The remaining fields are only used for DEBUG_KIND_CLASS and | |
167 | DEBUG_KIND_UNION_CLASS. */ | |
168 | /* NULL terminated array of base classes. */ | |
169 | debug_baseclass *baseclasses; | |
170 | /* NULL terminated array of methods. */ | |
171 | debug_method *methods; | |
172 | /* The type of the class providing the virtual function table for | |
173 | this class. This may point to the type itself. */ | |
174 | debug_type vptrbase; | |
175 | }; | |
176 | ||
177 | /* Information kept for an enum. */ | |
178 | ||
179 | struct debug_enum_type | |
180 | { | |
181 | /* NULL terminated array of names. */ | |
182 | const char **names; | |
183 | /* Array of corresponding values. */ | |
184 | bfd_signed_vma *values; | |
185 | }; | |
186 | ||
187 | /* Information kept for a function. FIXME: We should be able to | |
188 | record the parameter types. */ | |
189 | ||
190 | struct debug_function_type | |
191 | { | |
192 | /* Return type. */ | |
193 | debug_type return_type; | |
194 | /* NULL terminated array of argument types. */ | |
195 | debug_type *arg_types; | |
196 | /* Whether the function takes a variable number of arguments. */ | |
197 | boolean varargs; | |
198 | }; | |
199 | ||
200 | /* Information kept for a range. */ | |
201 | ||
202 | struct debug_range_type | |
203 | { | |
204 | /* Range base type. */ | |
205 | debug_type type; | |
206 | /* Lower bound. */ | |
207 | bfd_signed_vma lower; | |
208 | /* Upper bound. */ | |
209 | bfd_signed_vma upper; | |
210 | }; | |
211 | ||
212 | /* Information kept for an array. */ | |
213 | ||
214 | struct debug_array_type | |
215 | { | |
216 | /* Element type. */ | |
217 | debug_type element_type; | |
218 | /* Range type. */ | |
219 | debug_type range_type; | |
220 | /* Lower bound. */ | |
221 | bfd_signed_vma lower; | |
222 | /* Upper bound. */ | |
223 | bfd_signed_vma upper; | |
224 | /* Whether this array is really a string. */ | |
225 | boolean stringp; | |
226 | }; | |
227 | ||
228 | /* Information kept for a set. */ | |
229 | ||
230 | struct debug_set_type | |
231 | { | |
232 | /* Base type. */ | |
233 | debug_type type; | |
234 | /* Whether this set is really a bitstring. */ | |
235 | boolean bitstringp; | |
236 | }; | |
237 | ||
238 | /* Information kept for an offset type (a based pointer). */ | |
239 | ||
240 | struct debug_offset_type | |
241 | { | |
242 | /* The type the pointer is an offset from. */ | |
243 | debug_type base_type; | |
244 | /* The type the pointer points to. */ | |
245 | debug_type target_type; | |
246 | }; | |
247 | ||
248 | /* Information kept for a method type. */ | |
249 | ||
250 | struct debug_method_type | |
251 | { | |
252 | /* The return type. */ | |
253 | debug_type return_type; | |
254 | /* The object type which this method is for. */ | |
255 | debug_type domain_type; | |
256 | /* A NULL terminated array of argument types. */ | |
257 | debug_type *arg_types; | |
258 | /* Whether the method takes a variable number of arguments. */ | |
259 | boolean varargs; | |
260 | }; | |
261 | ||
262 | /* Information kept for a named type. */ | |
263 | ||
264 | struct debug_named_type | |
265 | { | |
266 | /* Name. */ | |
267 | struct debug_name *name; | |
268 | /* Real type. */ | |
269 | debug_type type; | |
270 | }; | |
271 | ||
272 | /* A field in a struct or union. */ | |
273 | ||
274 | struct debug_field | |
275 | { | |
276 | /* Name of the field. */ | |
277 | const char *name; | |
278 | /* Type of the field. */ | |
279 | struct debug_type *type; | |
280 | /* Visibility of the field. */ | |
281 | enum debug_visibility visibility; | |
282 | /* Whether this is a static member. */ | |
283 | boolean static_member; | |
284 | union | |
285 | { | |
286 | /* If static_member is false. */ | |
287 | struct | |
288 | { | |
289 | /* Bit position of the field in the struct. */ | |
290 | unsigned int bitpos; | |
291 | /* Size of the field in bits. */ | |
292 | unsigned int bitsize; | |
293 | } f; | |
294 | /* If static_member is true. */ | |
295 | struct | |
296 | { | |
297 | const char *physname; | |
298 | } s; | |
299 | } u; | |
300 | }; | |
301 | ||
302 | /* A base class for an object. */ | |
303 | ||
304 | struct debug_baseclass | |
305 | { | |
306 | /* Type of the base class. */ | |
307 | struct debug_type *type; | |
308 | /* Bit position of the base class in the object. */ | |
309 | unsigned int bitpos; | |
310 | /* Whether the base class is virtual. */ | |
311 | boolean virtual; | |
312 | /* Visibility of the base class. */ | |
313 | enum debug_visibility visibility; | |
314 | }; | |
315 | ||
316 | /* A method of an object. */ | |
317 | ||
318 | struct debug_method | |
319 | { | |
320 | /* The name of the method. */ | |
321 | const char *name; | |
322 | /* A NULL terminated array of different types of variants. */ | |
323 | struct debug_method_variant **variants; | |
324 | }; | |
325 | ||
326 | /* The variants of a method function of an object. These indicate | |
327 | which method to run. */ | |
328 | ||
329 | struct debug_method_variant | |
330 | { | |
331 | /* The physical name of the function. */ | |
332 | const char *physname; | |
333 | /* The type of the function. */ | |
334 | struct debug_type *type; | |
335 | /* The visibility of the function. */ | |
336 | enum debug_visibility visibility; | |
337 | /* Whether the function is const. */ | |
338 | boolean constp; | |
339 | /* Whether the function is volatile. */ | |
340 | boolean volatilep; | |
341 | /* The offset to the function in the virtual function table. */ | |
342 | bfd_vma voffset; | |
343 | /* If voffset is VOFFSET_STATIC_METHOD, this is a static method. */ | |
344 | #define VOFFSET_STATIC_METHOD ((bfd_vma) -1) | |
345 | /* Context of a virtual method function. */ | |
346 | struct debug_type *context; | |
347 | }; | |
348 | ||
349 | /* A variable. This is the information we keep for a variable object. | |
350 | This has no name; a name is associated with a variable in a | |
351 | debug_name structure. */ | |
352 | ||
353 | struct debug_variable | |
354 | { | |
355 | /* Kind of variable. */ | |
356 | enum debug_var_kind kind; | |
357 | /* Type. */ | |
358 | debug_type type; | |
359 | /* Value. The interpretation of the value depends upon kind. */ | |
360 | bfd_vma val; | |
361 | }; | |
362 | ||
363 | /* A function. This has no name; a name is associated with a function | |
364 | in a debug_name structure. */ | |
365 | ||
366 | struct debug_function | |
367 | { | |
368 | /* Return type. */ | |
369 | debug_type return_type; | |
370 | /* Parameter information. */ | |
371 | struct debug_parameter *parameters; | |
372 | /* Block information. The first structure on the list is the main | |
373 | block of the function, and describes function local variables. */ | |
374 | struct debug_block *blocks; | |
375 | }; | |
376 | ||
377 | /* A function parameter. */ | |
378 | ||
379 | struct debug_parameter | |
380 | { | |
381 | /* Next parameter. */ | |
382 | struct debug_parameter *next; | |
383 | /* Name. */ | |
384 | const char *name; | |
385 | /* Type. */ | |
386 | debug_type type; | |
387 | /* Kind. */ | |
388 | enum debug_parm_kind kind; | |
389 | /* Value (meaning depends upon kind). */ | |
390 | bfd_vma val; | |
391 | }; | |
392 | ||
393 | /* A typed constant. */ | |
394 | ||
395 | struct debug_typed_constant | |
396 | { | |
397 | /* Type. */ | |
398 | debug_type type; | |
399 | /* Value. FIXME: We may eventually need to support non-integral | |
400 | values. */ | |
401 | bfd_vma val; | |
402 | }; | |
403 | ||
404 | /* Information about a block within a function. */ | |
405 | ||
406 | struct debug_block | |
407 | { | |
408 | /* Next block with the same parent. */ | |
409 | struct debug_block *next; | |
410 | /* Parent block. */ | |
411 | struct debug_block *parent; | |
412 | /* List of child blocks. */ | |
413 | struct debug_block *children; | |
414 | /* Start address of the block. */ | |
415 | bfd_vma start; | |
416 | /* End address of the block. */ | |
417 | bfd_vma end; | |
418 | /* Local variables. */ | |
419 | struct debug_namespace *locals; | |
420 | }; | |
421 | ||
422 | /* Line number information we keep for a compilation unit. FIXME: | |
423 | This structure is easy to create, but can be very space | |
424 | inefficient. */ | |
425 | ||
426 | struct debug_lineno | |
427 | { | |
428 | /* More line number information for this block. */ | |
429 | struct debug_lineno *next; | |
430 | /* Source file. */ | |
431 | struct debug_file *file; | |
432 | /* Line numbers, terminated by a -1 or the end of the array. */ | |
433 | #define DEBUG_LINENO_COUNT 10 | |
434 | unsigned long linenos[DEBUG_LINENO_COUNT]; | |
435 | /* Addresses for the line numbers. */ | |
436 | bfd_vma addrs[DEBUG_LINENO_COUNT]; | |
437 | }; | |
438 | ||
439 | /* A namespace. This is a mapping from names to objects. FIXME: This | |
440 | should be implemented as a hash table. */ | |
441 | ||
442 | struct debug_namespace | |
443 | { | |
444 | /* List of items in this namespace. */ | |
445 | struct debug_name *list; | |
446 | /* Pointer to where the next item in this namespace should go. */ | |
447 | struct debug_name **tail; | |
448 | }; | |
449 | ||
450 | /* Kinds of objects that appear in a namespace. */ | |
451 | ||
452 | enum debug_object_kind | |
453 | { | |
454 | /* A type. */ | |
455 | DEBUG_OBJECT_TYPE, | |
456 | /* A tagged type (really a different sort of namespace). */ | |
457 | DEBUG_OBJECT_TAG, | |
458 | /* A variable. */ | |
459 | DEBUG_OBJECT_VARIABLE, | |
460 | /* A function. */ | |
461 | DEBUG_OBJECT_FUNCTION, | |
462 | /* An integer constant. */ | |
463 | DEBUG_OBJECT_INT_CONSTANT, | |
464 | /* A floating point constant. */ | |
465 | DEBUG_OBJECT_FLOAT_CONSTANT, | |
466 | /* A typed constant. */ | |
467 | DEBUG_OBJECT_TYPED_CONSTANT | |
468 | }; | |
469 | ||
470 | /* Linkage of an object that appears in a namespace. */ | |
471 | ||
472 | enum debug_object_linkage | |
473 | { | |
474 | /* Local variable. */ | |
475 | DEBUG_LINKAGE_AUTOMATIC, | |
476 | /* Static--either file static or function static, depending upon the | |
477 | namespace is. */ | |
478 | DEBUG_LINKAGE_STATIC, | |
479 | /* Global. */ | |
480 | DEBUG_LINKAGE_GLOBAL, | |
481 | /* No linkage. */ | |
482 | DEBUG_LINKAGE_NONE | |
483 | }; | |
484 | ||
485 | /* A name in a namespace. */ | |
486 | ||
487 | struct debug_name | |
488 | { | |
489 | /* Next name in this namespace. */ | |
490 | struct debug_name *next; | |
491 | /* Name. */ | |
492 | const char *name; | |
493 | /* Mark. This is used by debug_write. */ | |
494 | unsigned int mark; | |
495 | /* Kind of object. */ | |
496 | enum debug_object_kind kind; | |
497 | /* Linkage of object. */ | |
498 | enum debug_object_linkage linkage; | |
499 | /* Tagged union with additional information about the object. */ | |
500 | union | |
501 | { | |
502 | /* DEBUG_OBJECT_TYPE. */ | |
503 | struct debug_type *type; | |
504 | /* DEBUG_OBJECT_TAG. */ | |
505 | struct debug_type *tag; | |
506 | /* DEBUG_OBJECT_VARIABLE. */ | |
507 | struct debug_variable *variable; | |
508 | /* DEBUG_OBJECT_FUNCTION. */ | |
509 | struct debug_function *function; | |
510 | /* DEBUG_OBJECT_INT_CONSTANT. */ | |
511 | bfd_vma int_constant; | |
512 | /* DEBUG_OBJECT_FLOAT_CONSTANT. */ | |
513 | double float_constant; | |
514 | /* DEBUG_OBJECT_TYPED_CONSTANT. */ | |
515 | struct debug_typed_constant *typed_constant; | |
516 | } u; | |
517 | }; | |
518 | ||
519 | /* During debug_write, a linked list of these structures is used to | |
520 | keep track of ID numbers that have been assigned to classes. */ | |
521 | ||
522 | struct debug_class_id | |
523 | { | |
524 | /* Next ID number. */ | |
525 | struct debug_class_id *next; | |
526 | /* The type with the ID. */ | |
527 | struct debug_type *type; | |
528 | /* The tag; NULL if no tag. */ | |
529 | const char *tag; | |
530 | }; | |
531 | ||
532 | /* During debug_type_samep, a linked list of these structures is kept | |
533 | on the stack to avoid infinite recursion. */ | |
534 | ||
535 | struct debug_type_compare_list | |
536 | { | |
537 | /* Next type on list. */ | |
538 | struct debug_type_compare_list *next; | |
539 | /* The types we are comparing. */ | |
540 | struct debug_type *t1; | |
541 | struct debug_type *t2; | |
542 | }; | |
543 | ||
544 | /* During debug_get_real_type, a linked list of these structures is | |
545 | kept on the stack to avoid infinite recursion. */ | |
546 | ||
547 | struct debug_type_real_list | |
548 | { | |
549 | /* Next type on list. */ | |
550 | struct debug_type_real_list *next; | |
551 | /* The type we are checking. */ | |
552 | struct debug_type *t; | |
553 | }; | |
554 | ||
555 | /* Local functions. */ | |
556 | ||
557 | static void debug_error PARAMS ((const char *)); | |
558 | static struct debug_name *debug_add_to_namespace | |
559 | PARAMS ((struct debug_handle *, struct debug_namespace **, const char *, | |
560 | enum debug_object_kind, enum debug_object_linkage)); | |
561 | static struct debug_name *debug_add_to_current_namespace | |
562 | PARAMS ((struct debug_handle *, const char *, enum debug_object_kind, | |
563 | enum debug_object_linkage)); | |
564 | static struct debug_type *debug_make_type | |
565 | PARAMS ((struct debug_handle *, enum debug_type_kind, unsigned int)); | |
566 | static struct debug_type *debug_get_real_type | |
567 | PARAMS ((PTR, debug_type, struct debug_type_real_list *)); | |
568 | static boolean debug_write_name | |
569 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
570 | struct debug_name *)); | |
571 | static boolean debug_write_type | |
572 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
573 | struct debug_type *, struct debug_name *)); | |
574 | static boolean debug_write_class_type | |
575 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
576 | struct debug_type *, const char *)); | |
577 | static boolean debug_write_function | |
578 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
579 | const char *, enum debug_object_linkage, struct debug_function *)); | |
580 | static boolean debug_write_block | |
581 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
582 | struct debug_block *)); | |
583 | static boolean debug_write_linenos | |
584 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
585 | bfd_vma)); | |
586 | static boolean debug_set_class_id | |
587 | PARAMS ((struct debug_handle *, const char *, struct debug_type *)); | |
588 | static boolean debug_type_samep | |
589 | PARAMS ((struct debug_handle *, struct debug_type *, struct debug_type *)); | |
590 | static boolean debug_class_type_samep | |
591 | PARAMS ((struct debug_handle *, struct debug_type *, struct debug_type *)); | |
592 | \f | |
593 | /* Issue an error message. */ | |
594 | ||
595 | static void | |
596 | debug_error (message) | |
597 | const char *message; | |
598 | { | |
599 | fprintf (stderr, "%s\n", message); | |
600 | } | |
601 | ||
602 | /* Add an object to a namespace. */ | |
603 | ||
604 | static struct debug_name * | |
605 | debug_add_to_namespace (info, nsp, name, kind, linkage) | |
b4c96d0d | 606 | struct debug_handle *info ATTRIBUTE_UNUSED; |
252b5132 RH |
607 | struct debug_namespace **nsp; |
608 | const char *name; | |
609 | enum debug_object_kind kind; | |
610 | enum debug_object_linkage linkage; | |
611 | { | |
612 | struct debug_name *n; | |
613 | struct debug_namespace *ns; | |
614 | ||
615 | n = (struct debug_name *) xmalloc (sizeof *n); | |
616 | memset (n, 0, sizeof *n); | |
617 | ||
618 | n->name = name; | |
619 | n->kind = kind; | |
620 | n->linkage = linkage; | |
621 | ||
622 | ns = *nsp; | |
623 | if (ns == NULL) | |
624 | { | |
625 | ns = (struct debug_namespace *) xmalloc (sizeof *ns); | |
626 | memset (ns, 0, sizeof *ns); | |
627 | ||
628 | ns->tail = &ns->list; | |
629 | ||
630 | *nsp = ns; | |
631 | } | |
632 | ||
633 | *ns->tail = n; | |
634 | ns->tail = &n->next; | |
635 | ||
636 | return n; | |
637 | } | |
638 | ||
639 | /* Add an object to the current namespace. */ | |
640 | ||
641 | static struct debug_name * | |
642 | debug_add_to_current_namespace (info, name, kind, linkage) | |
643 | struct debug_handle *info; | |
644 | const char *name; | |
645 | enum debug_object_kind kind; | |
646 | enum debug_object_linkage linkage; | |
647 | { | |
648 | struct debug_namespace **nsp; | |
649 | ||
650 | if (info->current_unit == NULL | |
651 | || info->current_file == NULL) | |
652 | { | |
653 | debug_error (_("debug_add_to_current_namespace: no current file")); | |
654 | return NULL; | |
655 | } | |
656 | ||
657 | if (info->current_block != NULL) | |
658 | nsp = &info->current_block->locals; | |
659 | else | |
660 | nsp = &info->current_file->globals; | |
661 | ||
662 | return debug_add_to_namespace (info, nsp, name, kind, linkage); | |
663 | } | |
664 | \f | |
665 | /* Return a handle for debugging information. */ | |
666 | ||
667 | PTR | |
668 | debug_init () | |
669 | { | |
670 | struct debug_handle *ret; | |
671 | ||
672 | ret = (struct debug_handle *) xmalloc (sizeof *ret); | |
673 | memset (ret, 0, sizeof *ret); | |
674 | return (PTR) ret; | |
675 | } | |
676 | ||
677 | /* Set the source filename. This implicitly starts a new compilation | |
678 | unit. */ | |
679 | ||
680 | boolean | |
681 | debug_set_filename (handle, name) | |
682 | PTR handle; | |
683 | const char *name; | |
684 | { | |
685 | struct debug_handle *info = (struct debug_handle *) handle; | |
686 | struct debug_file *nfile; | |
687 | struct debug_unit *nunit; | |
688 | ||
689 | if (name == NULL) | |
690 | name = ""; | |
691 | ||
692 | nfile = (struct debug_file *) xmalloc (sizeof *nfile); | |
693 | memset (nfile, 0, sizeof *nfile); | |
694 | ||
695 | nfile->filename = name; | |
696 | ||
697 | nunit = (struct debug_unit *) xmalloc (sizeof *nunit); | |
698 | memset (nunit, 0, sizeof *nunit); | |
699 | ||
700 | nunit->files = nfile; | |
701 | info->current_file = nfile; | |
702 | ||
703 | if (info->current_unit != NULL) | |
704 | info->current_unit->next = nunit; | |
705 | else | |
706 | { | |
707 | assert (info->units == NULL); | |
708 | info->units = nunit; | |
709 | } | |
710 | ||
711 | info->current_unit = nunit; | |
712 | ||
713 | info->current_function = NULL; | |
714 | info->current_block = NULL; | |
715 | info->current_lineno = NULL; | |
716 | ||
717 | return true; | |
718 | } | |
719 | ||
720 | /* Change source files to the given file name. This is used for | |
721 | include files in a single compilation unit. */ | |
722 | ||
723 | boolean | |
724 | debug_start_source (handle, name) | |
725 | PTR handle; | |
726 | const char *name; | |
727 | { | |
728 | struct debug_handle *info = (struct debug_handle *) handle; | |
729 | struct debug_file *f, **pf; | |
730 | ||
731 | if (name == NULL) | |
732 | name = ""; | |
733 | ||
734 | if (info->current_unit == NULL) | |
735 | { | |
736 | debug_error (_("debug_start_source: no debug_set_filename call")); | |
737 | return false; | |
738 | } | |
739 | ||
740 | for (f = info->current_unit->files; f != NULL; f = f->next) | |
741 | { | |
742 | if (f->filename[0] == name[0] | |
743 | && f->filename[1] == name[1] | |
744 | && strcmp (f->filename, name) == 0) | |
745 | { | |
746 | info->current_file = f; | |
747 | return true; | |
748 | } | |
749 | } | |
750 | ||
751 | f = (struct debug_file *) xmalloc (sizeof *f); | |
752 | memset (f, 0, sizeof *f); | |
753 | ||
754 | f->filename = name; | |
755 | ||
756 | for (pf = &info->current_file->next; | |
757 | *pf != NULL; | |
758 | pf = &(*pf)->next) | |
759 | ; | |
760 | *pf = f; | |
761 | ||
762 | info->current_file = f; | |
763 | ||
764 | return true; | |
765 | } | |
766 | ||
767 | /* Record a function definition. This implicitly starts a function | |
768 | block. The debug_type argument is the type of the return value. | |
769 | The boolean indicates whether the function is globally visible. | |
770 | The bfd_vma is the address of the start of the function. Currently | |
771 | the parameter types are specified by calls to | |
772 | debug_record_parameter. FIXME: There is no way to specify nested | |
773 | functions. */ | |
774 | ||
775 | boolean | |
776 | debug_record_function (handle, name, return_type, global, addr) | |
777 | PTR handle; | |
778 | const char *name; | |
779 | debug_type return_type; | |
780 | boolean global; | |
781 | bfd_vma addr; | |
782 | { | |
783 | struct debug_handle *info = (struct debug_handle *) handle; | |
784 | struct debug_function *f; | |
785 | struct debug_block *b; | |
786 | struct debug_name *n; | |
787 | ||
788 | if (name == NULL) | |
789 | name = ""; | |
790 | if (return_type == NULL) | |
791 | return false; | |
792 | ||
793 | if (info->current_unit == NULL) | |
794 | { | |
795 | debug_error (_("debug_record_function: no debug_set_filename call")); | |
796 | return false; | |
797 | } | |
798 | ||
799 | f = (struct debug_function *) xmalloc (sizeof *f); | |
800 | memset (f, 0, sizeof *f); | |
801 | ||
802 | f->return_type = return_type; | |
803 | ||
804 | b = (struct debug_block *) xmalloc (sizeof *b); | |
805 | memset (b, 0, sizeof *b); | |
806 | ||
807 | b->start = addr; | |
808 | b->end = (bfd_vma) -1; | |
809 | ||
810 | f->blocks = b; | |
811 | ||
812 | info->current_function = f; | |
813 | info->current_block = b; | |
814 | ||
815 | /* FIXME: If we could handle nested functions, this would be the | |
816 | place: we would want to use a different namespace. */ | |
817 | n = debug_add_to_namespace (info, | |
818 | &info->current_file->globals, | |
819 | name, | |
820 | DEBUG_OBJECT_FUNCTION, | |
821 | (global | |
822 | ? DEBUG_LINKAGE_GLOBAL | |
823 | : DEBUG_LINKAGE_STATIC)); | |
824 | if (n == NULL) | |
825 | return false; | |
826 | ||
827 | n->u.function = f; | |
828 | ||
829 | return true; | |
830 | } | |
831 | ||
832 | /* Record a parameter for the current function. */ | |
833 | ||
834 | boolean | |
835 | debug_record_parameter (handle, name, type, kind, val) | |
836 | PTR handle; | |
837 | const char *name; | |
838 | debug_type type; | |
839 | enum debug_parm_kind kind; | |
840 | bfd_vma val; | |
841 | { | |
842 | struct debug_handle *info = (struct debug_handle *) handle; | |
843 | struct debug_parameter *p, **pp; | |
844 | ||
845 | if (name == NULL || type == NULL) | |
846 | return false; | |
847 | ||
848 | if (info->current_unit == NULL | |
849 | || info->current_function == NULL) | |
850 | { | |
851 | debug_error (_("debug_record_parameter: no current function")); | |
852 | return false; | |
853 | } | |
854 | ||
855 | p = (struct debug_parameter *) xmalloc (sizeof *p); | |
856 | memset (p, 0, sizeof *p); | |
857 | ||
858 | p->name = name; | |
859 | p->type = type; | |
860 | p->kind = kind; | |
861 | p->val = val; | |
862 | ||
863 | for (pp = &info->current_function->parameters; | |
864 | *pp != NULL; | |
865 | pp = &(*pp)->next) | |
866 | ; | |
867 | *pp = p; | |
868 | ||
869 | return true; | |
870 | } | |
871 | ||
872 | /* End a function. FIXME: This should handle function nesting. */ | |
873 | ||
874 | boolean | |
875 | debug_end_function (handle, addr) | |
876 | PTR handle; | |
877 | bfd_vma addr; | |
878 | { | |
879 | struct debug_handle *info = (struct debug_handle *) handle; | |
880 | ||
881 | if (info->current_unit == NULL | |
882 | || info->current_block == NULL | |
883 | || info->current_function == NULL) | |
884 | { | |
885 | debug_error (_("debug_end_function: no current function")); | |
886 | return false; | |
887 | } | |
888 | ||
889 | if (info->current_block->parent != NULL) | |
890 | { | |
891 | debug_error (_("debug_end_function: some blocks were not closed")); | |
892 | return false; | |
893 | } | |
894 | ||
895 | info->current_block->end = addr; | |
896 | ||
897 | info->current_function = NULL; | |
898 | info->current_block = NULL; | |
899 | ||
900 | return true; | |
901 | } | |
902 | ||
903 | /* Start a block in a function. All local information will be | |
904 | recorded in this block, until the matching call to debug_end_block. | |
905 | debug_start_block and debug_end_block may be nested. The bfd_vma | |
906 | argument is the address at which this block starts. */ | |
907 | ||
908 | boolean | |
909 | debug_start_block (handle, addr) | |
910 | PTR handle; | |
911 | bfd_vma addr; | |
912 | { | |
913 | struct debug_handle *info = (struct debug_handle *) handle; | |
914 | struct debug_block *b, **pb; | |
915 | ||
916 | /* We must always have a current block: debug_record_function sets | |
917 | one up. */ | |
918 | if (info->current_unit == NULL | |
919 | || info->current_block == NULL) | |
920 | { | |
921 | debug_error (_("debug_start_block: no current block")); | |
922 | return false; | |
923 | } | |
924 | ||
925 | b = (struct debug_block *) xmalloc (sizeof *b); | |
926 | memset (b, 0, sizeof *b); | |
927 | ||
928 | b->parent = info->current_block; | |
929 | b->start = addr; | |
930 | b->end = (bfd_vma) -1; | |
931 | ||
932 | /* This new block is a child of the current block. */ | |
933 | for (pb = &info->current_block->children; | |
934 | *pb != NULL; | |
935 | pb = &(*pb)->next) | |
936 | ; | |
937 | *pb = b; | |
938 | ||
939 | info->current_block = b; | |
940 | ||
941 | return true; | |
942 | } | |
943 | ||
944 | /* Finish a block in a function. This matches the call to | |
945 | debug_start_block. The argument is the address at which this block | |
946 | ends. */ | |
947 | ||
948 | boolean | |
949 | debug_end_block (handle, addr) | |
950 | PTR handle; | |
951 | bfd_vma addr; | |
952 | { | |
953 | struct debug_handle *info = (struct debug_handle *) handle; | |
954 | struct debug_block *parent; | |
955 | ||
956 | if (info->current_unit == NULL | |
957 | || info->current_block == NULL) | |
958 | { | |
959 | debug_error (_("debug_end_block: no current block")); | |
960 | return false; | |
961 | } | |
962 | ||
963 | parent = info->current_block->parent; | |
964 | if (parent == NULL) | |
965 | { | |
966 | debug_error (_("debug_end_block: attempt to close top level block")); | |
967 | return false; | |
968 | } | |
969 | ||
970 | info->current_block->end = addr; | |
971 | ||
972 | info->current_block = parent; | |
973 | ||
974 | return true; | |
975 | } | |
976 | ||
977 | /* Associate a line number in the current source file and function | |
978 | with a given address. */ | |
979 | ||
980 | boolean | |
981 | debug_record_line (handle, lineno, addr) | |
982 | PTR handle; | |
983 | unsigned long lineno; | |
984 | bfd_vma addr; | |
985 | { | |
986 | struct debug_handle *info = (struct debug_handle *) handle; | |
987 | struct debug_lineno *l; | |
988 | unsigned int i; | |
989 | ||
990 | if (info->current_unit == NULL) | |
991 | { | |
992 | debug_error (_("debug_record_line: no current unit")); | |
993 | return false; | |
994 | } | |
995 | ||
996 | l = info->current_lineno; | |
997 | if (l != NULL && l->file == info->current_file) | |
998 | { | |
999 | for (i = 0; i < DEBUG_LINENO_COUNT; i++) | |
1000 | { | |
1001 | if (l->linenos[i] == (unsigned long) -1) | |
1002 | { | |
1003 | l->linenos[i] = lineno; | |
1004 | l->addrs[i] = addr; | |
1005 | return true; | |
1006 | } | |
1007 | } | |
1008 | } | |
1009 | ||
1010 | /* If we get here, then either 1) there is no current_lineno | |
1011 | structure, which means this is the first line number in this | |
1012 | compilation unit, 2) the current_lineno structure is for a | |
1013 | different file, or 3) the current_lineno structure is full. | |
1014 | Regardless, we want to allocate a new debug_lineno structure, put | |
1015 | it in the right place, and make it the new current_lineno | |
1016 | structure. */ | |
1017 | ||
1018 | l = (struct debug_lineno *) xmalloc (sizeof *l); | |
1019 | memset (l, 0, sizeof *l); | |
1020 | ||
1021 | l->file = info->current_file; | |
1022 | l->linenos[0] = lineno; | |
1023 | l->addrs[0] = addr; | |
1024 | for (i = 1; i < DEBUG_LINENO_COUNT; i++) | |
1025 | l->linenos[i] = (unsigned long) -1; | |
1026 | ||
1027 | if (info->current_lineno != NULL) | |
1028 | info->current_lineno->next = l; | |
1029 | else | |
1030 | info->current_unit->linenos = l; | |
1031 | ||
1032 | info->current_lineno = l; | |
1033 | ||
1034 | return true; | |
1035 | } | |
1036 | ||
1037 | /* Start a named common block. This is a block of variables that may | |
1038 | move in memory. */ | |
1039 | ||
1040 | boolean | |
1041 | debug_start_common_block (handle, name) | |
b4c96d0d ILT |
1042 | PTR handle ATTRIBUTE_UNUSED; |
1043 | const char *name ATTRIBUTE_UNUSED; | |
252b5132 RH |
1044 | { |
1045 | /* FIXME */ | |
1046 | debug_error (_("debug_start_common_block: not implemented")); | |
1047 | return false; | |
1048 | } | |
1049 | ||
1050 | /* End a named common block. */ | |
1051 | ||
1052 | boolean | |
1053 | debug_end_common_block (handle, name) | |
b4c96d0d ILT |
1054 | PTR handle ATTRIBUTE_UNUSED; |
1055 | const char *name ATTRIBUTE_UNUSED; | |
252b5132 RH |
1056 | { |
1057 | /* FIXME */ | |
1058 | debug_error (_("debug_end_common_block: not implemented")); | |
1059 | return false; | |
1060 | } | |
1061 | ||
1062 | /* Record a named integer constant. */ | |
1063 | ||
1064 | boolean | |
1065 | debug_record_int_const (handle, name, val) | |
1066 | PTR handle; | |
1067 | const char *name; | |
1068 | bfd_vma val; | |
1069 | { | |
1070 | struct debug_handle *info = (struct debug_handle *) handle; | |
1071 | struct debug_name *n; | |
1072 | ||
1073 | if (name == NULL) | |
1074 | return false; | |
1075 | ||
1076 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_INT_CONSTANT, | |
1077 | DEBUG_LINKAGE_NONE); | |
1078 | if (n == NULL) | |
1079 | return false; | |
1080 | ||
1081 | n->u.int_constant = val; | |
1082 | ||
1083 | return true; | |
1084 | } | |
1085 | ||
1086 | /* Record a named floating point constant. */ | |
1087 | ||
1088 | boolean | |
1089 | debug_record_float_const (handle, name, val) | |
1090 | PTR handle; | |
1091 | const char *name; | |
1092 | double val; | |
1093 | { | |
1094 | struct debug_handle *info = (struct debug_handle *) handle; | |
1095 | struct debug_name *n; | |
1096 | ||
1097 | if (name == NULL) | |
1098 | return false; | |
1099 | ||
1100 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_FLOAT_CONSTANT, | |
1101 | DEBUG_LINKAGE_NONE); | |
1102 | if (n == NULL) | |
1103 | return false; | |
1104 | ||
1105 | n->u.float_constant = val; | |
1106 | ||
1107 | return true; | |
1108 | } | |
1109 | ||
1110 | /* Record a typed constant with an integral value. */ | |
1111 | ||
1112 | boolean | |
1113 | debug_record_typed_const (handle, name, type, val) | |
1114 | PTR handle; | |
1115 | const char *name; | |
1116 | debug_type type; | |
1117 | bfd_vma val; | |
1118 | { | |
1119 | struct debug_handle *info = (struct debug_handle *) handle; | |
1120 | struct debug_name *n; | |
1121 | struct debug_typed_constant *tc; | |
1122 | ||
1123 | if (name == NULL || type == NULL) | |
1124 | return false; | |
1125 | ||
1126 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPED_CONSTANT, | |
1127 | DEBUG_LINKAGE_NONE); | |
1128 | if (n == NULL) | |
1129 | return false; | |
1130 | ||
1131 | tc = (struct debug_typed_constant *) xmalloc (sizeof *tc); | |
1132 | memset (tc, 0, sizeof *tc); | |
1133 | ||
1134 | tc->type = type; | |
1135 | tc->val = val; | |
1136 | ||
1137 | n->u.typed_constant = tc; | |
1138 | ||
1139 | return true; | |
1140 | } | |
1141 | ||
1142 | /* Record a label. */ | |
1143 | ||
1144 | boolean | |
1145 | debug_record_label (handle, name, type, addr) | |
b4c96d0d ILT |
1146 | PTR handle ATTRIBUTE_UNUSED; |
1147 | const char *name ATTRIBUTE_UNUSED; | |
1148 | debug_type type ATTRIBUTE_UNUSED; | |
1149 | bfd_vma addr ATTRIBUTE_UNUSED; | |
252b5132 RH |
1150 | { |
1151 | /* FIXME. */ | |
3a1a2036 | 1152 | debug_error (_("debug_record_label: not implemented")); |
252b5132 RH |
1153 | return false; |
1154 | } | |
1155 | ||
1156 | /* Record a variable. */ | |
1157 | ||
1158 | boolean | |
1159 | debug_record_variable (handle, name, type, kind, val) | |
1160 | PTR handle; | |
1161 | const char *name; | |
1162 | debug_type type; | |
1163 | enum debug_var_kind kind; | |
1164 | bfd_vma val; | |
1165 | { | |
1166 | struct debug_handle *info = (struct debug_handle *) handle; | |
1167 | struct debug_namespace **nsp; | |
1168 | enum debug_object_linkage linkage; | |
1169 | struct debug_name *n; | |
1170 | struct debug_variable *v; | |
1171 | ||
1172 | if (name == NULL || type == NULL) | |
1173 | return false; | |
1174 | ||
1175 | if (info->current_unit == NULL | |
1176 | || info->current_file == NULL) | |
1177 | { | |
1178 | debug_error (_("debug_record_variable: no current file")); | |
1179 | return false; | |
1180 | } | |
1181 | ||
1182 | if (kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
1183 | { | |
1184 | nsp = &info->current_file->globals; | |
1185 | if (kind == DEBUG_GLOBAL) | |
1186 | linkage = DEBUG_LINKAGE_GLOBAL; | |
1187 | else | |
1188 | linkage = DEBUG_LINKAGE_STATIC; | |
1189 | } | |
1190 | else | |
1191 | { | |
1192 | if (info->current_block == NULL) | |
1193 | { | |
1194 | debug_error (_("debug_record_variable: no current block")); | |
1195 | return false; | |
1196 | } | |
1197 | nsp = &info->current_block->locals; | |
1198 | linkage = DEBUG_LINKAGE_AUTOMATIC; | |
1199 | } | |
1200 | ||
1201 | n = debug_add_to_namespace (info, nsp, name, DEBUG_OBJECT_VARIABLE, linkage); | |
1202 | if (n == NULL) | |
1203 | return false; | |
1204 | ||
1205 | v = (struct debug_variable *) xmalloc (sizeof *v); | |
1206 | memset (v, 0, sizeof *v); | |
1207 | ||
1208 | v->kind = kind; | |
1209 | v->type = type; | |
1210 | v->val = val; | |
1211 | ||
1212 | n->u.variable = v; | |
1213 | ||
26044998 | 1214 | return true; |
252b5132 RH |
1215 | } |
1216 | ||
1217 | /* Make a type with a given kind and size. */ | |
1218 | ||
252b5132 RH |
1219 | static struct debug_type * |
1220 | debug_make_type (info, kind, size) | |
b4c96d0d | 1221 | struct debug_handle *info ATTRIBUTE_UNUSED; |
252b5132 RH |
1222 | enum debug_type_kind kind; |
1223 | unsigned int size; | |
1224 | { | |
1225 | struct debug_type *t; | |
1226 | ||
1227 | t = (struct debug_type *) xmalloc (sizeof *t); | |
1228 | memset (t, 0, sizeof *t); | |
1229 | ||
1230 | t->kind = kind; | |
1231 | t->size = size; | |
1232 | ||
1233 | return t; | |
1234 | } | |
1235 | ||
1236 | /* Make an indirect type which may be used as a placeholder for a type | |
1237 | which is referenced before it is defined. */ | |
1238 | ||
1239 | debug_type | |
1240 | debug_make_indirect_type (handle, slot, tag) | |
1241 | PTR handle; | |
1242 | debug_type *slot; | |
1243 | const char *tag; | |
1244 | { | |
1245 | struct debug_handle *info = (struct debug_handle *) handle; | |
1246 | struct debug_type *t; | |
1247 | struct debug_indirect_type *i; | |
1248 | ||
1249 | t = debug_make_type (info, DEBUG_KIND_INDIRECT, 0); | |
1250 | if (t == NULL) | |
1251 | return DEBUG_TYPE_NULL; | |
1252 | ||
1253 | i = (struct debug_indirect_type *) xmalloc (sizeof *i); | |
1254 | memset (i, 0, sizeof *i); | |
1255 | ||
1256 | i->slot = slot; | |
1257 | i->tag = tag; | |
1258 | ||
1259 | t->u.kindirect = i; | |
1260 | ||
1261 | return t; | |
1262 | } | |
1263 | ||
1264 | /* Make a void type. There is only one of these. */ | |
1265 | ||
1266 | debug_type | |
1267 | debug_make_void_type (handle) | |
1268 | PTR handle; | |
1269 | { | |
1270 | struct debug_handle *info = (struct debug_handle *) handle; | |
1271 | ||
1272 | return debug_make_type (info, DEBUG_KIND_VOID, 0); | |
1273 | } | |
1274 | ||
1275 | /* Make an integer type of a given size. The boolean argument is true | |
1276 | if the integer is unsigned. */ | |
1277 | ||
1278 | debug_type | |
1279 | debug_make_int_type (handle, size, unsignedp) | |
1280 | PTR handle; | |
1281 | unsigned int size; | |
1282 | boolean unsignedp; | |
1283 | { | |
1284 | struct debug_handle *info = (struct debug_handle *) handle; | |
1285 | struct debug_type *t; | |
1286 | ||
1287 | t = debug_make_type (info, DEBUG_KIND_INT, size); | |
1288 | if (t == NULL) | |
1289 | return DEBUG_TYPE_NULL; | |
1290 | ||
1291 | t->u.kint = unsignedp; | |
1292 | ||
1293 | return t; | |
1294 | } | |
1295 | ||
1296 | /* Make a floating point type of a given size. FIXME: On some | |
1297 | platforms, like an Alpha, you probably need to be able to specify | |
1298 | the format. */ | |
1299 | ||
1300 | debug_type | |
1301 | debug_make_float_type (handle, size) | |
1302 | PTR handle; | |
1303 | unsigned int size; | |
1304 | { | |
1305 | struct debug_handle *info = (struct debug_handle *) handle; | |
1306 | ||
1307 | return debug_make_type (info, DEBUG_KIND_FLOAT, size); | |
1308 | } | |
1309 | ||
1310 | /* Make a boolean type of a given size. */ | |
1311 | ||
1312 | debug_type | |
1313 | debug_make_bool_type (handle, size) | |
1314 | PTR handle; | |
1315 | unsigned int size; | |
1316 | { | |
1317 | struct debug_handle *info = (struct debug_handle *) handle; | |
1318 | ||
1319 | return debug_make_type (info, DEBUG_KIND_BOOL, size); | |
1320 | } | |
1321 | ||
1322 | /* Make a complex type of a given size. */ | |
1323 | ||
1324 | debug_type | |
1325 | debug_make_complex_type (handle, size) | |
1326 | PTR handle; | |
1327 | unsigned int size; | |
1328 | { | |
1329 | struct debug_handle *info = (struct debug_handle *) handle; | |
1330 | ||
1331 | return debug_make_type (info, DEBUG_KIND_COMPLEX, size); | |
1332 | } | |
1333 | ||
1334 | /* Make a structure type. The second argument is true for a struct, | |
1335 | false for a union. The third argument is the size of the struct. | |
1336 | The fourth argument is a NULL terminated array of fields. */ | |
1337 | ||
1338 | debug_type | |
1339 | debug_make_struct_type (handle, structp, size, fields) | |
1340 | PTR handle; | |
1341 | boolean structp; | |
1342 | bfd_vma size; | |
1343 | debug_field *fields; | |
1344 | { | |
1345 | struct debug_handle *info = (struct debug_handle *) handle; | |
1346 | struct debug_type *t; | |
1347 | struct debug_class_type *c; | |
1348 | ||
1349 | t = debug_make_type (info, | |
1350 | structp ? DEBUG_KIND_STRUCT : DEBUG_KIND_UNION, | |
1351 | size); | |
1352 | if (t == NULL) | |
1353 | return DEBUG_TYPE_NULL; | |
1354 | ||
1355 | c = (struct debug_class_type *) xmalloc (sizeof *c); | |
1356 | memset (c, 0, sizeof *c); | |
1357 | ||
1358 | c->fields = fields; | |
1359 | ||
1360 | t->u.kclass = c; | |
1361 | ||
1362 | return t; | |
1363 | } | |
1364 | ||
1365 | /* Make an object type. The first three arguments after the handle | |
1366 | are the same as for debug_make_struct_type. The next arguments are | |
1367 | a NULL terminated array of base classes, a NULL terminated array of | |
1368 | methods, the type of the object holding the virtual function table | |
1369 | if it is not this object, and a boolean which is true if this | |
1370 | object has its own virtual function table. */ | |
1371 | ||
1372 | debug_type | |
1373 | debug_make_object_type (handle, structp, size, fields, baseclasses, | |
1374 | methods, vptrbase, ownvptr) | |
1375 | PTR handle; | |
1376 | boolean structp; | |
1377 | bfd_vma size; | |
1378 | debug_field *fields; | |
1379 | debug_baseclass *baseclasses; | |
1380 | debug_method *methods; | |
1381 | debug_type vptrbase; | |
1382 | boolean ownvptr; | |
1383 | { | |
1384 | struct debug_handle *info = (struct debug_handle *) handle; | |
1385 | struct debug_type *t; | |
1386 | struct debug_class_type *c; | |
1387 | ||
1388 | t = debug_make_type (info, | |
1389 | structp ? DEBUG_KIND_CLASS : DEBUG_KIND_UNION_CLASS, | |
1390 | size); | |
1391 | if (t == NULL) | |
1392 | return DEBUG_TYPE_NULL; | |
1393 | ||
1394 | c = (struct debug_class_type *) xmalloc (sizeof *c); | |
1395 | memset (c, 0, sizeof *c); | |
1396 | ||
1397 | c->fields = fields; | |
1398 | c->baseclasses = baseclasses; | |
1399 | c->methods = methods; | |
1400 | if (ownvptr) | |
1401 | c->vptrbase = t; | |
1402 | else | |
1403 | c->vptrbase = vptrbase; | |
1404 | ||
1405 | t->u.kclass = c; | |
1406 | ||
1407 | return t; | |
1408 | } | |
1409 | ||
1410 | /* Make an enumeration type. The arguments are a null terminated | |
1411 | array of strings, and an array of corresponding values. */ | |
1412 | ||
1413 | debug_type | |
1414 | debug_make_enum_type (handle, names, values) | |
1415 | PTR handle; | |
1416 | const char **names; | |
1417 | bfd_signed_vma *values; | |
1418 | { | |
1419 | struct debug_handle *info = (struct debug_handle *) handle; | |
1420 | struct debug_type *t; | |
1421 | struct debug_enum_type *e; | |
1422 | ||
1423 | t = debug_make_type (info, DEBUG_KIND_ENUM, 0); | |
1424 | if (t == NULL) | |
1425 | return DEBUG_TYPE_NULL; | |
1426 | ||
1427 | e = (struct debug_enum_type *) xmalloc (sizeof *e); | |
1428 | memset (e, 0, sizeof *e); | |
1429 | ||
1430 | e->names = names; | |
1431 | e->values = values; | |
1432 | ||
1433 | t->u.kenum = e; | |
1434 | ||
1435 | return t; | |
1436 | } | |
1437 | ||
1438 | /* Make a pointer to a given type. */ | |
1439 | ||
1440 | debug_type | |
1441 | debug_make_pointer_type (handle, type) | |
1442 | PTR handle; | |
1443 | debug_type type; | |
1444 | { | |
1445 | struct debug_handle *info = (struct debug_handle *) handle; | |
1446 | struct debug_type *t; | |
1447 | ||
1448 | if (type == NULL) | |
1449 | return DEBUG_TYPE_NULL; | |
1450 | ||
1451 | if (type->pointer != DEBUG_TYPE_NULL) | |
1452 | return type->pointer; | |
1453 | ||
1454 | t = debug_make_type (info, DEBUG_KIND_POINTER, 0); | |
1455 | if (t == NULL) | |
1456 | return DEBUG_TYPE_NULL; | |
1457 | ||
1458 | t->u.kpointer = type; | |
1459 | ||
1460 | type->pointer = t; | |
1461 | ||
1462 | return t; | |
1463 | } | |
1464 | ||
1465 | /* Make a function returning a given type. FIXME: We should be able | |
1466 | to record the parameter types. */ | |
1467 | ||
1468 | debug_type | |
1469 | debug_make_function_type (handle, type, arg_types, varargs) | |
1470 | PTR handle; | |
1471 | debug_type type; | |
1472 | debug_type *arg_types; | |
1473 | boolean varargs; | |
1474 | { | |
1475 | struct debug_handle *info = (struct debug_handle *) handle; | |
1476 | struct debug_type *t; | |
1477 | struct debug_function_type *f; | |
1478 | ||
1479 | if (type == NULL) | |
1480 | return DEBUG_TYPE_NULL; | |
1481 | ||
1482 | t = debug_make_type (info, DEBUG_KIND_FUNCTION, 0); | |
1483 | if (t == NULL) | |
1484 | return DEBUG_TYPE_NULL; | |
1485 | ||
1486 | f = (struct debug_function_type *) xmalloc (sizeof *f); | |
1487 | memset (f, 0, sizeof *f); | |
1488 | ||
1489 | f->return_type = type; | |
1490 | f->arg_types = arg_types; | |
1491 | f->varargs = varargs; | |
1492 | ||
1493 | t->u.kfunction = f; | |
1494 | ||
1495 | return t; | |
1496 | } | |
1497 | ||
1498 | /* Make a reference to a given type. */ | |
1499 | ||
1500 | debug_type | |
1501 | debug_make_reference_type (handle, type) | |
1502 | PTR handle; | |
1503 | debug_type type; | |
1504 | { | |
1505 | struct debug_handle *info = (struct debug_handle *) handle; | |
1506 | struct debug_type *t; | |
1507 | ||
1508 | if (type == NULL) | |
1509 | return DEBUG_TYPE_NULL; | |
1510 | ||
1511 | t = debug_make_type (info, DEBUG_KIND_REFERENCE, 0); | |
1512 | if (t == NULL) | |
1513 | return DEBUG_TYPE_NULL; | |
1514 | ||
1515 | t->u.kreference = type; | |
1516 | ||
1517 | return t; | |
1518 | } | |
1519 | ||
1520 | /* Make a range of a given type from a lower to an upper bound. */ | |
1521 | ||
1522 | debug_type | |
1523 | debug_make_range_type (handle, type, lower, upper) | |
1524 | PTR handle; | |
1525 | debug_type type; | |
1526 | bfd_signed_vma lower; | |
1527 | bfd_signed_vma upper; | |
1528 | { | |
1529 | struct debug_handle *info = (struct debug_handle *) handle; | |
1530 | struct debug_type *t; | |
1531 | struct debug_range_type *r; | |
1532 | ||
1533 | if (type == NULL) | |
1534 | return DEBUG_TYPE_NULL; | |
1535 | ||
1536 | t = debug_make_type (info, DEBUG_KIND_RANGE, 0); | |
1537 | if (t == NULL) | |
1538 | return DEBUG_TYPE_NULL; | |
1539 | ||
1540 | r = (struct debug_range_type *) xmalloc (sizeof *r); | |
1541 | memset (r, 0, sizeof *r); | |
1542 | ||
1543 | r->type = type; | |
1544 | r->lower = lower; | |
1545 | r->upper = upper; | |
1546 | ||
1547 | t->u.krange = r; | |
1548 | ||
1549 | return t; | |
1550 | } | |
1551 | ||
1552 | /* Make an array type. The second argument is the type of an element | |
1553 | of the array. The third argument is the type of a range of the | |
1554 | array. The fourth and fifth argument are the lower and upper | |
1555 | bounds, respectively. The sixth argument is true if this array is | |
1556 | actually a string, as in C. */ | |
1557 | ||
1558 | debug_type | |
1559 | debug_make_array_type (handle, element_type, range_type, lower, upper, | |
1560 | stringp) | |
1561 | PTR handle; | |
1562 | debug_type element_type; | |
1563 | debug_type range_type; | |
1564 | bfd_signed_vma lower; | |
1565 | bfd_signed_vma upper; | |
1566 | boolean stringp; | |
1567 | { | |
1568 | struct debug_handle *info = (struct debug_handle *) handle; | |
1569 | struct debug_type *t; | |
1570 | struct debug_array_type *a; | |
1571 | ||
1572 | if (element_type == NULL || range_type == NULL) | |
1573 | return DEBUG_TYPE_NULL; | |
1574 | ||
1575 | t = debug_make_type (info, DEBUG_KIND_ARRAY, 0); | |
1576 | if (t == NULL) | |
1577 | return DEBUG_TYPE_NULL; | |
1578 | ||
1579 | a = (struct debug_array_type *) xmalloc (sizeof *a); | |
1580 | memset (a, 0, sizeof *a); | |
1581 | ||
1582 | a->element_type = element_type; | |
1583 | a->range_type = range_type; | |
1584 | a->lower = lower; | |
1585 | a->upper = upper; | |
1586 | a->stringp = stringp; | |
1587 | ||
1588 | t->u.karray = a; | |
1589 | ||
1590 | return t; | |
1591 | } | |
1592 | ||
1593 | /* Make a set of a given type. For example, a Pascal set type. The | |
1594 | boolean argument is true if this set is actually a bitstring, as in | |
1595 | CHILL. */ | |
1596 | ||
1597 | debug_type | |
1598 | debug_make_set_type (handle, type, bitstringp) | |
1599 | PTR handle; | |
1600 | debug_type type; | |
1601 | boolean bitstringp; | |
1602 | { | |
1603 | struct debug_handle *info = (struct debug_handle *) handle; | |
1604 | struct debug_type *t; | |
1605 | struct debug_set_type *s; | |
1606 | ||
1607 | if (type == NULL) | |
1608 | return DEBUG_TYPE_NULL; | |
1609 | ||
1610 | t = debug_make_type (info, DEBUG_KIND_SET, 0); | |
1611 | if (t == NULL) | |
1612 | return DEBUG_TYPE_NULL; | |
1613 | ||
1614 | s = (struct debug_set_type *) xmalloc (sizeof *s); | |
1615 | memset (s, 0, sizeof *s); | |
1616 | ||
1617 | s->type = type; | |
1618 | s->bitstringp = bitstringp; | |
1619 | ||
1620 | t->u.kset = s; | |
1621 | ||
1622 | return t; | |
1623 | } | |
1624 | ||
1625 | /* Make a type for a pointer which is relative to an object. The | |
1626 | second argument is the type of the object to which the pointer is | |
1627 | relative. The third argument is the type that the pointer points | |
1628 | to. */ | |
1629 | ||
1630 | debug_type | |
1631 | debug_make_offset_type (handle, base_type, target_type) | |
1632 | PTR handle; | |
1633 | debug_type base_type; | |
1634 | debug_type target_type; | |
1635 | { | |
1636 | struct debug_handle *info = (struct debug_handle *) handle; | |
1637 | struct debug_type *t; | |
1638 | struct debug_offset_type *o; | |
1639 | ||
1640 | if (base_type == NULL || target_type == NULL) | |
1641 | return DEBUG_TYPE_NULL; | |
1642 | ||
1643 | t = debug_make_type (info, DEBUG_KIND_OFFSET, 0); | |
1644 | if (t == NULL) | |
1645 | return DEBUG_TYPE_NULL; | |
1646 | ||
1647 | o = (struct debug_offset_type *) xmalloc (sizeof *o); | |
1648 | memset (o, 0, sizeof *o); | |
1649 | ||
1650 | o->base_type = base_type; | |
1651 | o->target_type = target_type; | |
1652 | ||
1653 | t->u.koffset = o; | |
1654 | ||
1655 | return t; | |
1656 | } | |
1657 | ||
1658 | /* Make a type for a method function. The second argument is the | |
1659 | return type, the third argument is the domain, and the fourth | |
1660 | argument is a NULL terminated array of argument types. */ | |
1661 | ||
1662 | debug_type | |
1663 | debug_make_method_type (handle, return_type, domain_type, arg_types, varargs) | |
1664 | PTR handle; | |
1665 | debug_type return_type; | |
1666 | debug_type domain_type; | |
1667 | debug_type *arg_types; | |
1668 | boolean varargs; | |
1669 | { | |
1670 | struct debug_handle *info = (struct debug_handle *) handle; | |
1671 | struct debug_type *t; | |
1672 | struct debug_method_type *m; | |
1673 | ||
1674 | if (return_type == NULL) | |
1675 | return DEBUG_TYPE_NULL; | |
1676 | ||
1677 | t = debug_make_type (info, DEBUG_KIND_METHOD, 0); | |
1678 | if (t == NULL) | |
1679 | return DEBUG_TYPE_NULL; | |
1680 | ||
1681 | m = (struct debug_method_type *) xmalloc (sizeof *m); | |
1682 | memset (m, 0, sizeof *m); | |
1683 | ||
1684 | m->return_type = return_type; | |
1685 | m->domain_type = domain_type; | |
1686 | m->arg_types = arg_types; | |
1687 | m->varargs = varargs; | |
1688 | ||
1689 | t->u.kmethod = m; | |
1690 | ||
1691 | return t; | |
1692 | } | |
1693 | ||
1694 | /* Make a const qualified version of a given type. */ | |
1695 | ||
1696 | debug_type | |
1697 | debug_make_const_type (handle, type) | |
1698 | PTR handle; | |
1699 | debug_type type; | |
1700 | { | |
1701 | struct debug_handle *info = (struct debug_handle *) handle; | |
1702 | struct debug_type *t; | |
1703 | ||
1704 | if (type == NULL) | |
1705 | return DEBUG_TYPE_NULL; | |
1706 | ||
1707 | t = debug_make_type (info, DEBUG_KIND_CONST, 0); | |
1708 | if (t == NULL) | |
1709 | return DEBUG_TYPE_NULL; | |
1710 | ||
1711 | t->u.kconst = type; | |
1712 | ||
1713 | return t; | |
1714 | } | |
1715 | ||
1716 | /* Make a volatile qualified version of a given type. */ | |
1717 | ||
1718 | debug_type | |
1719 | debug_make_volatile_type (handle, type) | |
1720 | PTR handle; | |
1721 | debug_type type; | |
1722 | { | |
1723 | struct debug_handle *info = (struct debug_handle *) handle; | |
1724 | struct debug_type *t; | |
1725 | ||
1726 | if (type == NULL) | |
1727 | return DEBUG_TYPE_NULL; | |
1728 | ||
1729 | t = debug_make_type (info, DEBUG_KIND_VOLATILE, 0); | |
1730 | if (t == NULL) | |
1731 | return DEBUG_TYPE_NULL; | |
1732 | ||
1733 | t->u.kvolatile = type; | |
1734 | ||
1735 | return t; | |
1736 | } | |
1737 | ||
1738 | /* Make an undefined tagged type. For example, a struct which has | |
1739 | been mentioned, but not defined. */ | |
1740 | ||
1741 | debug_type | |
1742 | debug_make_undefined_tagged_type (handle, name, kind) | |
1743 | PTR handle; | |
1744 | const char *name; | |
1745 | enum debug_type_kind kind; | |
1746 | { | |
1747 | struct debug_handle *info = (struct debug_handle *) handle; | |
1748 | struct debug_type *t; | |
1749 | ||
1750 | if (name == NULL) | |
1751 | return DEBUG_TYPE_NULL; | |
1752 | ||
1753 | switch (kind) | |
1754 | { | |
1755 | case DEBUG_KIND_STRUCT: | |
1756 | case DEBUG_KIND_UNION: | |
1757 | case DEBUG_KIND_CLASS: | |
1758 | case DEBUG_KIND_UNION_CLASS: | |
1759 | case DEBUG_KIND_ENUM: | |
1760 | break; | |
1761 | ||
1762 | default: | |
1763 | debug_error (_("debug_make_undefined_type: unsupported kind")); | |
1764 | return DEBUG_TYPE_NULL; | |
1765 | } | |
1766 | ||
1767 | t = debug_make_type (info, kind, 0); | |
1768 | if (t == NULL) | |
1769 | return DEBUG_TYPE_NULL; | |
1770 | ||
1771 | return debug_tag_type (handle, name, t); | |
1772 | } | |
1773 | ||
1774 | /* Make a base class for an object. The second argument is the base | |
1775 | class type. The third argument is the bit position of this base | |
1776 | class in the object (always 0 unless doing multiple inheritance). | |
1777 | The fourth argument is whether this is a virtual class. The fifth | |
1778 | argument is the visibility of the base class. */ | |
1779 | ||
252b5132 RH |
1780 | debug_baseclass |
1781 | debug_make_baseclass (handle, type, bitpos, virtual, visibility) | |
b4c96d0d | 1782 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
1783 | debug_type type; |
1784 | bfd_vma bitpos; | |
1785 | boolean virtual; | |
1786 | enum debug_visibility visibility; | |
26044998 | 1787 | { |
252b5132 RH |
1788 | struct debug_baseclass *b; |
1789 | ||
1790 | b = (struct debug_baseclass *) xmalloc (sizeof *b); | |
1791 | memset (b, 0, sizeof *b); | |
1792 | ||
1793 | b->type = type; | |
1794 | b->bitpos = bitpos; | |
1795 | b->virtual = virtual; | |
1796 | b->visibility = visibility; | |
1797 | ||
1798 | return b; | |
1799 | } | |
1800 | ||
1801 | /* Make a field for a struct. The second argument is the name. The | |
1802 | third argument is the type of the field. The fourth argument is | |
1803 | the bit position of the field. The fifth argument is the size of | |
1804 | the field (it may be zero). The sixth argument is the visibility | |
1805 | of the field. */ | |
1806 | ||
252b5132 RH |
1807 | debug_field |
1808 | debug_make_field (handle, name, type, bitpos, bitsize, visibility) | |
b4c96d0d | 1809 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
1810 | const char *name; |
1811 | debug_type type; | |
1812 | bfd_vma bitpos; | |
1813 | bfd_vma bitsize; | |
1814 | enum debug_visibility visibility; | |
1815 | { | |
1816 | struct debug_field *f; | |
1817 | ||
1818 | f = (struct debug_field *) xmalloc (sizeof *f); | |
1819 | memset (f, 0, sizeof *f); | |
1820 | ||
1821 | f->name = name; | |
1822 | f->type = type; | |
1823 | f->static_member = false; | |
1824 | f->u.f.bitpos = bitpos; | |
1825 | f->u.f.bitsize = bitsize; | |
1826 | f->visibility = visibility; | |
1827 | ||
1828 | return f; | |
1829 | } | |
1830 | ||
1831 | /* Make a static member of an object. The second argument is the | |
1832 | name. The third argument is the type of the member. The fourth | |
1833 | argument is the physical name of the member (i.e., the name as a | |
1834 | global variable). The fifth argument is the visibility of the | |
1835 | member. */ | |
1836 | ||
252b5132 RH |
1837 | debug_field |
1838 | debug_make_static_member (handle, name, type, physname, visibility) | |
b4c96d0d | 1839 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
1840 | const char *name; |
1841 | debug_type type; | |
1842 | const char *physname; | |
1843 | enum debug_visibility visibility; | |
1844 | { | |
1845 | struct debug_field *f; | |
1846 | ||
1847 | f = (struct debug_field *) xmalloc (sizeof *f); | |
1848 | memset (f, 0, sizeof *f); | |
1849 | ||
1850 | f->name = name; | |
1851 | f->type = type; | |
1852 | f->static_member = true; | |
1853 | f->u.s.physname = physname; | |
1854 | f->visibility = visibility; | |
1855 | ||
1856 | return f; | |
1857 | } | |
1858 | ||
1859 | /* Make a method. The second argument is the name, and the third | |
1860 | argument is a NULL terminated array of method variants. */ | |
1861 | ||
252b5132 RH |
1862 | debug_method |
1863 | debug_make_method (handle, name, variants) | |
b4c96d0d | 1864 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
1865 | const char *name; |
1866 | debug_method_variant *variants; | |
1867 | { | |
1868 | struct debug_method *m; | |
1869 | ||
1870 | m = (struct debug_method *) xmalloc (sizeof *m); | |
1871 | memset (m, 0, sizeof *m); | |
1872 | ||
1873 | m->name = name; | |
1874 | m->variants = variants; | |
1875 | ||
1876 | return m; | |
1877 | } | |
1878 | ||
1879 | /* Make a method argument. The second argument is the real name of | |
1880 | the function. The third argument is the type of the function. The | |
1881 | fourth argument is the visibility. The fifth argument is whether | |
1882 | this is a const function. The sixth argument is whether this is a | |
1883 | volatile function. The seventh argument is the offset in the | |
1884 | virtual function table, if any. The eighth argument is the virtual | |
1885 | function context. FIXME: Are the const and volatile arguments | |
1886 | necessary? Could we just use debug_make_const_type? */ | |
1887 | ||
252b5132 RH |
1888 | debug_method_variant |
1889 | debug_make_method_variant (handle, physname, type, visibility, constp, | |
1890 | volatilep, voffset, context) | |
b4c96d0d | 1891 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
1892 | const char *physname; |
1893 | debug_type type; | |
1894 | enum debug_visibility visibility; | |
1895 | boolean constp; | |
1896 | boolean volatilep; | |
1897 | bfd_vma voffset; | |
1898 | debug_type context; | |
1899 | { | |
1900 | struct debug_method_variant *m; | |
1901 | ||
1902 | m = (struct debug_method_variant *) xmalloc (sizeof *m); | |
1903 | memset (m, 0, sizeof *m); | |
1904 | ||
1905 | m->physname = physname; | |
1906 | m->type = type; | |
1907 | m->visibility = visibility; | |
1908 | m->constp = constp; | |
1909 | m->volatilep = volatilep; | |
1910 | m->voffset = voffset; | |
1911 | m->context = context; | |
1912 | ||
1913 | return m; | |
1914 | } | |
1915 | ||
1916 | /* Make a static method argument. The arguments are the same as for | |
1917 | debug_make_method_variant, except that the last two are omitted | |
1918 | since a static method can not also be virtual. */ | |
1919 | ||
1920 | debug_method_variant | |
1921 | debug_make_static_method_variant (handle, physname, type, visibility, | |
1922 | constp, volatilep) | |
b4c96d0d | 1923 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
1924 | const char *physname; |
1925 | debug_type type; | |
1926 | enum debug_visibility visibility; | |
1927 | boolean constp; | |
1928 | boolean volatilep; | |
1929 | { | |
1930 | struct debug_method_variant *m; | |
1931 | ||
1932 | m = (struct debug_method_variant *) xmalloc (sizeof *m); | |
1933 | memset (m, 0, sizeof *m); | |
1934 | ||
1935 | m->physname = physname; | |
1936 | m->type = type; | |
1937 | m->visibility = visibility; | |
1938 | m->constp = constp; | |
1939 | m->volatilep = volatilep; | |
1940 | m->voffset = VOFFSET_STATIC_METHOD; | |
1941 | ||
1942 | return m; | |
1943 | } | |
1944 | ||
1945 | /* Name a type. */ | |
1946 | ||
1947 | debug_type | |
1948 | debug_name_type (handle, name, type) | |
1949 | PTR handle; | |
1950 | const char *name; | |
1951 | debug_type type; | |
1952 | { | |
1953 | struct debug_handle *info = (struct debug_handle *) handle; | |
1954 | struct debug_type *t; | |
1955 | struct debug_named_type *n; | |
1956 | struct debug_name *nm; | |
1957 | ||
1958 | if (name == NULL || type == NULL) | |
1959 | return DEBUG_TYPE_NULL; | |
1960 | ||
1961 | if (info->current_unit == NULL | |
1962 | || info->current_file == NULL) | |
1963 | { | |
1964 | debug_error (_("debug_name_type: no current file")); | |
1965 | return DEBUG_TYPE_NULL; | |
1966 | } | |
1967 | ||
1968 | t = debug_make_type (info, DEBUG_KIND_NAMED, 0); | |
1969 | if (t == NULL) | |
1970 | return DEBUG_TYPE_NULL; | |
1971 | ||
1972 | n = (struct debug_named_type *) xmalloc (sizeof *n); | |
1973 | memset (n, 0, sizeof *n); | |
1974 | ||
1975 | n->type = type; | |
1976 | ||
1977 | t->u.knamed = n; | |
1978 | ||
1979 | /* We always add the name to the global namespace. This is probably | |
1980 | wrong in some cases, but it seems to be right for stabs. FIXME. */ | |
1981 | ||
1982 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, | |
1983 | DEBUG_OBJECT_TYPE, DEBUG_LINKAGE_NONE); | |
1984 | if (nm == NULL) | |
3dceb55b | 1985 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1986 | |
1987 | nm->u.type = t; | |
1988 | ||
1989 | n->name = nm; | |
1990 | ||
1991 | return t; | |
1992 | } | |
1993 | ||
1994 | /* Tag a type. */ | |
1995 | ||
1996 | debug_type | |
1997 | debug_tag_type (handle, name, type) | |
1998 | PTR handle; | |
1999 | const char *name; | |
2000 | debug_type type; | |
2001 | { | |
2002 | struct debug_handle *info = (struct debug_handle *) handle; | |
2003 | struct debug_type *t; | |
2004 | struct debug_named_type *n; | |
2005 | struct debug_name *nm; | |
2006 | ||
2007 | if (name == NULL || type == NULL) | |
2008 | return DEBUG_TYPE_NULL; | |
2009 | ||
2010 | if (info->current_file == NULL) | |
2011 | { | |
2012 | debug_error (_("debug_tag_type: no current file")); | |
2013 | return DEBUG_TYPE_NULL; | |
2014 | } | |
2015 | ||
2016 | if (type->kind == DEBUG_KIND_TAGGED) | |
2017 | { | |
2018 | if (strcmp (type->u.knamed->name->name, name) == 0) | |
2019 | return type; | |
2020 | debug_error (_("debug_tag_type: extra tag attempted")); | |
2021 | return DEBUG_TYPE_NULL; | |
2022 | } | |
2023 | ||
2024 | t = debug_make_type (info, DEBUG_KIND_TAGGED, 0); | |
2025 | if (t == NULL) | |
2026 | return DEBUG_TYPE_NULL; | |
2027 | ||
2028 | n = (struct debug_named_type *) xmalloc (sizeof *n); | |
2029 | memset (n, 0, sizeof *n); | |
2030 | ||
2031 | n->type = type; | |
2032 | ||
2033 | t->u.knamed = n; | |
2034 | ||
2035 | /* We keep a global namespace of tags for each compilation unit. I | |
2036 | don't know if that is the right thing to do. */ | |
2037 | ||
2038 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, | |
2039 | DEBUG_OBJECT_TAG, DEBUG_LINKAGE_NONE); | |
2040 | if (nm == NULL) | |
3dceb55b | 2041 | return DEBUG_TYPE_NULL; |
252b5132 RH |
2042 | |
2043 | nm->u.tag = t; | |
2044 | ||
2045 | n->name = nm; | |
2046 | ||
2047 | return t; | |
2048 | } | |
2049 | ||
2050 | /* Record the size of a given type. */ | |
2051 | ||
252b5132 RH |
2052 | boolean |
2053 | debug_record_type_size (handle, type, size) | |
b4c96d0d | 2054 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
2055 | debug_type type; |
2056 | unsigned int size; | |
2057 | { | |
2058 | if (type->size != 0 && type->size != size) | |
2059 | fprintf (stderr, _("Warning: changing type size from %d to %d\n"), | |
2060 | type->size, size); | |
2061 | ||
2062 | type->size = size; | |
2063 | ||
2064 | return true; | |
2065 | } | |
2066 | ||
2067 | /* Find a named type. */ | |
2068 | ||
2069 | debug_type | |
2070 | debug_find_named_type (handle, name) | |
2071 | PTR handle; | |
2072 | const char *name; | |
2073 | { | |
2074 | struct debug_handle *info = (struct debug_handle *) handle; | |
2075 | struct debug_block *b; | |
2076 | struct debug_file *f; | |
2077 | ||
2078 | /* We only search the current compilation unit. I don't know if | |
2079 | this is right or not. */ | |
2080 | ||
2081 | if (info->current_unit == NULL) | |
2082 | { | |
2083 | debug_error (_("debug_find_named_type: no current compilation unit")); | |
2084 | return DEBUG_TYPE_NULL; | |
2085 | } | |
2086 | ||
2087 | for (b = info->current_block; b != NULL; b = b->parent) | |
2088 | { | |
2089 | if (b->locals != NULL) | |
2090 | { | |
2091 | struct debug_name *n; | |
2092 | ||
2093 | for (n = b->locals->list; n != NULL; n = n->next) | |
2094 | { | |
2095 | if (n->kind == DEBUG_OBJECT_TYPE | |
2096 | && n->name[0] == name[0] | |
2097 | && strcmp (n->name, name) == 0) | |
2098 | return n->u.type; | |
2099 | } | |
2100 | } | |
2101 | } | |
2102 | ||
2103 | for (f = info->current_unit->files; f != NULL; f = f->next) | |
2104 | { | |
2105 | if (f->globals != NULL) | |
2106 | { | |
2107 | struct debug_name *n; | |
2108 | ||
2109 | for (n = f->globals->list; n != NULL; n = n->next) | |
2110 | { | |
2111 | if (n->kind == DEBUG_OBJECT_TYPE | |
2112 | && n->name[0] == name[0] | |
2113 | && strcmp (n->name, name) == 0) | |
2114 | return n->u.type; | |
2115 | } | |
2116 | } | |
2117 | } | |
2118 | ||
26044998 | 2119 | return DEBUG_TYPE_NULL; |
252b5132 RH |
2120 | } |
2121 | ||
2122 | /* Find a tagged type. */ | |
2123 | ||
2124 | debug_type | |
2125 | debug_find_tagged_type (handle, name, kind) | |
2126 | PTR handle; | |
2127 | const char *name; | |
2128 | enum debug_type_kind kind; | |
2129 | { | |
2130 | struct debug_handle *info = (struct debug_handle *) handle; | |
2131 | struct debug_unit *u; | |
2132 | ||
2133 | /* We search the globals of all the compilation units. I don't know | |
2134 | if this is correct or not. It would be easy to change. */ | |
2135 | ||
2136 | for (u = info->units; u != NULL; u = u->next) | |
2137 | { | |
2138 | struct debug_file *f; | |
2139 | ||
2140 | for (f = u->files; f != NULL; f = f->next) | |
2141 | { | |
2142 | struct debug_name *n; | |
2143 | ||
2144 | if (f->globals != NULL) | |
2145 | { | |
2146 | for (n = f->globals->list; n != NULL; n = n->next) | |
2147 | { | |
2148 | if (n->kind == DEBUG_OBJECT_TAG | |
2149 | && (kind == DEBUG_KIND_ILLEGAL | |
2150 | || n->u.tag->kind == kind) | |
2151 | && n->name[0] == name[0] | |
2152 | && strcmp (n->name, name) == 0) | |
2153 | return n->u.tag; | |
2154 | } | |
2155 | } | |
2156 | } | |
2157 | } | |
2158 | ||
2159 | return DEBUG_TYPE_NULL; | |
2160 | } | |
2161 | ||
2162 | /* Get a base type. We build a linked list on the stack to avoid | |
2163 | crashing if the type is defined circularly. */ | |
2164 | ||
2165 | static struct debug_type * | |
2166 | debug_get_real_type (handle, type, list) | |
2167 | PTR handle; | |
2168 | debug_type type; | |
2169 | struct debug_type_real_list *list; | |
2170 | { | |
2171 | struct debug_type_real_list *l; | |
2172 | struct debug_type_real_list rl; | |
2173 | ||
2174 | switch (type->kind) | |
2175 | { | |
2176 | default: | |
2177 | return type; | |
2178 | ||
2179 | case DEBUG_KIND_INDIRECT: | |
2180 | case DEBUG_KIND_NAMED: | |
2181 | case DEBUG_KIND_TAGGED: | |
2182 | break; | |
2183 | } | |
2184 | ||
2185 | for (l = list; l != NULL; l = l->next) | |
2186 | { | |
2187 | if (l->t == type) | |
2188 | { | |
2189 | fprintf (stderr, | |
2190 | _("debug_get_real_type: circular debug information for %s\n"), | |
2191 | debug_get_type_name (handle, type)); | |
2192 | return NULL; | |
2193 | } | |
2194 | } | |
2195 | ||
2196 | rl.next = list; | |
2197 | rl.t = type; | |
2198 | ||
2199 | switch (type->kind) | |
2200 | { | |
2201 | /* The default case is just here to avoid warnings. */ | |
2202 | default: | |
2203 | case DEBUG_KIND_INDIRECT: | |
2204 | if (*type->u.kindirect->slot != NULL) | |
2205 | return debug_get_real_type (handle, *type->u.kindirect->slot, &rl); | |
2206 | return type; | |
2207 | case DEBUG_KIND_NAMED: | |
2208 | case DEBUG_KIND_TAGGED: | |
2209 | return debug_get_real_type (handle, type->u.knamed->type, &rl); | |
2210 | } | |
2211 | /*NOTREACHED*/ | |
2212 | } | |
2213 | ||
2214 | /* Get the kind of a type. */ | |
2215 | ||
2216 | enum debug_type_kind | |
2217 | debug_get_type_kind (handle, type) | |
2218 | PTR handle; | |
2219 | debug_type type; | |
2220 | { | |
2221 | if (type == NULL) | |
2222 | return DEBUG_KIND_ILLEGAL; | |
2223 | type = debug_get_real_type (handle, type, NULL); | |
2224 | if (type == NULL) | |
2225 | return DEBUG_KIND_ILLEGAL; | |
2226 | return type->kind; | |
2227 | } | |
2228 | ||
2229 | /* Get the name of a type. */ | |
2230 | ||
2231 | const char * | |
2232 | debug_get_type_name (handle, type) | |
2233 | PTR handle; | |
2234 | debug_type type; | |
2235 | { | |
2236 | if (type->kind == DEBUG_KIND_INDIRECT) | |
2237 | { | |
2238 | if (*type->u.kindirect->slot != NULL) | |
2239 | return debug_get_type_name (handle, *type->u.kindirect->slot); | |
2240 | return type->u.kindirect->tag; | |
2241 | } | |
2242 | if (type->kind == DEBUG_KIND_NAMED | |
2243 | || type->kind == DEBUG_KIND_TAGGED) | |
2244 | return type->u.knamed->name->name; | |
2245 | return NULL; | |
2246 | } | |
2247 | ||
2248 | /* Get the size of a type. */ | |
2249 | ||
2250 | bfd_vma | |
2251 | debug_get_type_size (handle, type) | |
2252 | PTR handle; | |
2253 | debug_type type; | |
2254 | { | |
2255 | if (type == NULL) | |
2256 | return 0; | |
2257 | ||
2258 | /* We don't call debug_get_real_type, because somebody might have | |
2259 | called debug_record_type_size on a named or indirect type. */ | |
2260 | ||
2261 | if (type->size != 0) | |
2262 | return type->size; | |
2263 | ||
2264 | switch (type->kind) | |
2265 | { | |
2266 | default: | |
2267 | return 0; | |
2268 | case DEBUG_KIND_INDIRECT: | |
2269 | if (*type->u.kindirect->slot != NULL) | |
2270 | return debug_get_type_size (handle, *type->u.kindirect->slot); | |
2271 | return 0; | |
2272 | case DEBUG_KIND_NAMED: | |
2273 | case DEBUG_KIND_TAGGED: | |
2274 | return debug_get_type_size (handle, type->u.knamed->type); | |
2275 | } | |
2276 | /*NOTREACHED*/ | |
2277 | } | |
2278 | ||
2279 | /* Get the return type of a function or method type. */ | |
2280 | ||
2281 | debug_type | |
2282 | debug_get_return_type (handle, type) | |
2283 | PTR handle; | |
2284 | debug_type type; | |
2285 | { | |
2286 | if (type == NULL) | |
2287 | return DEBUG_TYPE_NULL; | |
2288 | type = debug_get_real_type (handle, type, NULL); | |
2289 | if (type == NULL) | |
2290 | return DEBUG_TYPE_NULL; | |
2291 | switch (type->kind) | |
2292 | { | |
2293 | default: | |
2294 | return DEBUG_TYPE_NULL; | |
2295 | case DEBUG_KIND_FUNCTION: | |
2296 | return type->u.kfunction->return_type; | |
2297 | case DEBUG_KIND_METHOD: | |
2298 | return type->u.kmethod->return_type; | |
2299 | } | |
26044998 | 2300 | /*NOTREACHED*/ |
252b5132 RH |
2301 | } |
2302 | ||
2303 | /* Get the parameter types of a function or method type (except that | |
2304 | we don't currently store the parameter types of a function). */ | |
2305 | ||
2306 | const debug_type * | |
2307 | debug_get_parameter_types (handle, type, pvarargs) | |
2308 | PTR handle; | |
2309 | debug_type type; | |
2310 | boolean *pvarargs; | |
2311 | { | |
2312 | if (type == NULL) | |
2313 | return NULL; | |
2314 | type = debug_get_real_type (handle, type, NULL); | |
2315 | if (type == NULL) | |
2316 | return NULL; | |
2317 | switch (type->kind) | |
2318 | { | |
2319 | default: | |
2320 | return NULL; | |
2321 | case DEBUG_KIND_FUNCTION: | |
2322 | *pvarargs = type->u.kfunction->varargs; | |
2323 | return type->u.kfunction->arg_types; | |
2324 | case DEBUG_KIND_METHOD: | |
2325 | *pvarargs = type->u.kmethod->varargs; | |
2326 | return type->u.kmethod->arg_types; | |
2327 | } | |
2328 | /*NOTREACHED*/ | |
2329 | } | |
2330 | ||
2331 | /* Get the target type of a type. */ | |
2332 | ||
2333 | debug_type | |
2334 | debug_get_target_type (handle, type) | |
2335 | PTR handle; | |
2336 | debug_type type; | |
2337 | { | |
2338 | if (type == NULL) | |
2339 | return NULL; | |
2340 | type = debug_get_real_type (handle, type, NULL); | |
2341 | if (type == NULL) | |
2342 | return NULL; | |
2343 | switch (type->kind) | |
2344 | { | |
2345 | default: | |
2346 | return NULL; | |
2347 | case DEBUG_KIND_POINTER: | |
2348 | return type->u.kpointer; | |
2349 | case DEBUG_KIND_REFERENCE: | |
2350 | return type->u.kreference; | |
2351 | case DEBUG_KIND_CONST: | |
2352 | return type->u.kconst; | |
2353 | case DEBUG_KIND_VOLATILE: | |
2354 | return type->u.kvolatile; | |
2355 | } | |
2356 | /*NOTREACHED*/ | |
2357 | } | |
2358 | ||
2359 | /* Get the NULL terminated array of fields for a struct, union, or | |
2360 | class. */ | |
2361 | ||
2362 | const debug_field * | |
2363 | debug_get_fields (handle, type) | |
2364 | PTR handle; | |
2365 | debug_type type; | |
2366 | { | |
2367 | if (type == NULL) | |
2368 | return NULL; | |
2369 | type = debug_get_real_type (handle, type, NULL); | |
2370 | if (type == NULL) | |
2371 | return NULL; | |
2372 | switch (type->kind) | |
2373 | { | |
2374 | default: | |
2375 | return NULL; | |
2376 | case DEBUG_KIND_STRUCT: | |
2377 | case DEBUG_KIND_UNION: | |
2378 | case DEBUG_KIND_CLASS: | |
2379 | case DEBUG_KIND_UNION_CLASS: | |
2380 | return type->u.kclass->fields; | |
2381 | } | |
2382 | /*NOTREACHED*/ | |
2383 | } | |
2384 | ||
2385 | /* Get the type of a field. */ | |
2386 | ||
252b5132 RH |
2387 | debug_type |
2388 | debug_get_field_type (handle, field) | |
b4c96d0d | 2389 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
2390 | debug_field field; |
2391 | { | |
2392 | if (field == NULL) | |
2393 | return NULL; | |
2394 | return field->type; | |
2395 | } | |
2396 | ||
2397 | /* Get the name of a field. */ | |
2398 | ||
252b5132 RH |
2399 | const char * |
2400 | debug_get_field_name (handle, field) | |
b4c96d0d | 2401 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
2402 | debug_field field; |
2403 | { | |
2404 | if (field == NULL) | |
2405 | return NULL; | |
2406 | return field->name; | |
2407 | } | |
2408 | ||
2409 | /* Get the bit position of a field. */ | |
2410 | ||
252b5132 RH |
2411 | bfd_vma |
2412 | debug_get_field_bitpos (handle, field) | |
b4c96d0d | 2413 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
2414 | debug_field field; |
2415 | { | |
2416 | if (field == NULL || field->static_member) | |
2417 | return (bfd_vma) -1; | |
2418 | return field->u.f.bitpos; | |
2419 | } | |
2420 | ||
2421 | /* Get the bit size of a field. */ | |
2422 | ||
252b5132 RH |
2423 | bfd_vma |
2424 | debug_get_field_bitsize (handle, field) | |
b4c96d0d | 2425 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
2426 | debug_field field; |
2427 | { | |
2428 | if (field == NULL || field->static_member) | |
2429 | return (bfd_vma) -1; | |
2430 | return field->u.f.bitsize; | |
2431 | } | |
2432 | ||
2433 | /* Get the visibility of a field. */ | |
2434 | ||
252b5132 RH |
2435 | enum debug_visibility |
2436 | debug_get_field_visibility (handle, field) | |
b4c96d0d | 2437 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
2438 | debug_field field; |
2439 | { | |
2440 | if (field == NULL) | |
2441 | return DEBUG_VISIBILITY_IGNORE; | |
2442 | return field->visibility; | |
2443 | } | |
2444 | ||
2445 | /* Get the physical name of a field. */ | |
2446 | ||
2447 | const char * | |
2448 | debug_get_field_physname (handle, field) | |
b4c96d0d | 2449 | PTR handle ATTRIBUTE_UNUSED; |
252b5132 RH |
2450 | debug_field field; |
2451 | { | |
2452 | if (field == NULL || ! field->static_member) | |
2453 | return NULL; | |
2454 | return field->u.s.physname; | |
2455 | } | |
2456 | \f | |
2457 | /* Write out the debugging information. This is given a handle to | |
2458 | debugging information, and a set of function pointers to call. */ | |
2459 | ||
2460 | boolean | |
2461 | debug_write (handle, fns, fhandle) | |
2462 | PTR handle; | |
2463 | const struct debug_write_fns *fns; | |
2464 | PTR fhandle; | |
2465 | { | |
2466 | struct debug_handle *info = (struct debug_handle *) handle; | |
2467 | struct debug_unit *u; | |
2468 | ||
2469 | /* We use a mark to tell whether we have already written out a | |
2470 | particular name. We use an integer, so that we don't have to | |
2471 | clear the mark fields if we happen to write out the same | |
2472 | information more than once. */ | |
2473 | ++info->mark; | |
2474 | ||
2475 | /* The base_id field holds an ID value which will never be used, so | |
2476 | that we can tell whether we have assigned an ID during this call | |
2477 | to debug_write. */ | |
2478 | info->base_id = info->class_id; | |
2479 | ||
2480 | /* We keep a linked list of classes for which was have assigned ID's | |
2481 | during this call to debug_write. */ | |
2482 | info->id_list = NULL; | |
2483 | ||
2484 | for (u = info->units; u != NULL; u = u->next) | |
2485 | { | |
2486 | struct debug_file *f; | |
2487 | boolean first_file; | |
2488 | ||
2489 | info->current_write_lineno = u->linenos; | |
2490 | info->current_write_lineno_index = 0; | |
2491 | ||
2492 | if (! (*fns->start_compilation_unit) (fhandle, u->files->filename)) | |
2493 | return false; | |
2494 | ||
2495 | first_file = true; | |
2496 | for (f = u->files; f != NULL; f = f->next) | |
2497 | { | |
2498 | struct debug_name *n; | |
2499 | ||
2500 | if (first_file) | |
2501 | first_file = false; | |
2502 | else | |
2503 | { | |
2504 | if (! (*fns->start_source) (fhandle, f->filename)) | |
2505 | return false; | |
2506 | } | |
2507 | ||
2508 | if (f->globals != NULL) | |
2509 | { | |
2510 | for (n = f->globals->list; n != NULL; n = n->next) | |
2511 | { | |
2512 | if (! debug_write_name (info, fns, fhandle, n)) | |
2513 | return false; | |
2514 | } | |
2515 | } | |
2516 | } | |
2517 | ||
2518 | /* Output any line number information which hasn't already been | |
2519 | handled. */ | |
2520 | if (! debug_write_linenos (info, fns, fhandle, (bfd_vma) -1)) | |
2521 | return false; | |
2522 | } | |
2523 | ||
2524 | return true; | |
2525 | } | |
2526 | ||
2527 | /* Write out an element in a namespace. */ | |
2528 | ||
2529 | static boolean | |
2530 | debug_write_name (info, fns, fhandle, n) | |
2531 | struct debug_handle *info; | |
2532 | const struct debug_write_fns *fns; | |
2533 | PTR fhandle; | |
2534 | struct debug_name *n; | |
2535 | { | |
2536 | switch (n->kind) | |
2537 | { | |
2538 | case DEBUG_OBJECT_TYPE: | |
2539 | if (! debug_write_type (info, fns, fhandle, n->u.type, n) | |
2540 | || ! (*fns->typdef) (fhandle, n->name)) | |
2541 | return false; | |
2542 | return true; | |
2543 | case DEBUG_OBJECT_TAG: | |
2544 | if (! debug_write_type (info, fns, fhandle, n->u.tag, n)) | |
2545 | return false; | |
2546 | return (*fns->tag) (fhandle, n->name); | |
2547 | case DEBUG_OBJECT_VARIABLE: | |
2548 | if (! debug_write_type (info, fns, fhandle, n->u.variable->type, | |
2549 | (struct debug_name *) NULL)) | |
2550 | return false; | |
2551 | return (*fns->variable) (fhandle, n->name, n->u.variable->kind, | |
2552 | n->u.variable->val); | |
2553 | case DEBUG_OBJECT_FUNCTION: | |
2554 | return debug_write_function (info, fns, fhandle, n->name, | |
2555 | n->linkage, n->u.function); | |
2556 | case DEBUG_OBJECT_INT_CONSTANT: | |
2557 | return (*fns->int_constant) (fhandle, n->name, n->u.int_constant); | |
2558 | case DEBUG_OBJECT_FLOAT_CONSTANT: | |
2559 | return (*fns->float_constant) (fhandle, n->name, n->u.float_constant); | |
2560 | case DEBUG_OBJECT_TYPED_CONSTANT: | |
2561 | if (! debug_write_type (info, fns, fhandle, n->u.typed_constant->type, | |
2562 | (struct debug_name *) NULL)) | |
2563 | return false; | |
2564 | return (*fns->typed_constant) (fhandle, n->name, | |
2565 | n->u.typed_constant->val); | |
2566 | default: | |
2567 | abort (); | |
2568 | return false; | |
2569 | } | |
2570 | /*NOTREACHED*/ | |
2571 | } | |
2572 | ||
2573 | /* Write out a type. If the type is DEBUG_KIND_NAMED or | |
2574 | DEBUG_KIND_TAGGED, then the name argument is the name for which we | |
2575 | are about to call typedef or tag. If the type is anything else, | |
2576 | then the name argument is a tag from a DEBUG_KIND_TAGGED type which | |
2577 | points to this one. */ | |
2578 | ||
2579 | static boolean | |
2580 | debug_write_type (info, fns, fhandle, type, name) | |
2581 | struct debug_handle *info; | |
2582 | const struct debug_write_fns *fns; | |
2583 | PTR fhandle; | |
2584 | struct debug_type *type; | |
2585 | struct debug_name *name; | |
2586 | { | |
2587 | unsigned int i; | |
2588 | int is; | |
b4c96d0d | 2589 | const char *tag = NULL; |
252b5132 RH |
2590 | |
2591 | /* If we have a name for this type, just output it. We only output | |
2592 | typedef names after they have been defined. We output type tags | |
2593 | whenever we are not actually defining them. */ | |
2594 | if ((type->kind == DEBUG_KIND_NAMED | |
2595 | || type->kind == DEBUG_KIND_TAGGED) | |
2596 | && (type->u.knamed->name->mark == info->mark | |
2597 | || (type->kind == DEBUG_KIND_TAGGED | |
2598 | && type->u.knamed->name != name))) | |
2599 | { | |
2600 | if (type->kind == DEBUG_KIND_NAMED) | |
2601 | return (*fns->typedef_type) (fhandle, type->u.knamed->name->name); | |
2602 | else | |
2603 | { | |
2604 | struct debug_type *real; | |
2605 | unsigned int id; | |
2606 | ||
2607 | real = debug_get_real_type ((PTR) info, type, NULL); | |
2608 | if (real == NULL) | |
2609 | return (*fns->empty_type) (fhandle); | |
2610 | id = 0; | |
2611 | if ((real->kind == DEBUG_KIND_STRUCT | |
2612 | || real->kind == DEBUG_KIND_UNION | |
2613 | || real->kind == DEBUG_KIND_CLASS | |
2614 | || real->kind == DEBUG_KIND_UNION_CLASS) | |
2615 | && real->u.kclass != NULL) | |
2616 | { | |
2617 | if (real->u.kclass->id <= info->base_id) | |
2618 | { | |
2619 | if (! debug_set_class_id (info, | |
2620 | type->u.knamed->name->name, | |
2621 | real)) | |
2622 | return false; | |
2623 | } | |
2624 | id = real->u.kclass->id; | |
2625 | } | |
2626 | ||
2627 | return (*fns->tag_type) (fhandle, type->u.knamed->name->name, id, | |
2628 | real->kind); | |
2629 | } | |
2630 | } | |
2631 | ||
2632 | /* Mark the name after we have already looked for a known name, so | |
2633 | that we don't just define a type in terms of itself. We need to | |
2634 | mark the name here so that a struct containing a pointer to | |
2635 | itself will work. */ | |
2636 | if (name != NULL) | |
2637 | name->mark = info->mark; | |
2638 | ||
252b5132 RH |
2639 | if (name != NULL |
2640 | && type->kind != DEBUG_KIND_NAMED | |
2641 | && type->kind != DEBUG_KIND_TAGGED) | |
2642 | { | |
2643 | assert (name->kind == DEBUG_OBJECT_TAG); | |
2644 | tag = name->name; | |
2645 | } | |
2646 | ||
2647 | switch (type->kind) | |
2648 | { | |
2649 | case DEBUG_KIND_ILLEGAL: | |
2650 | debug_error (_("debug_write_type: illegal type encountered")); | |
2651 | return false; | |
2652 | case DEBUG_KIND_INDIRECT: | |
2653 | if (*type->u.kindirect->slot == DEBUG_TYPE_NULL) | |
2654 | return (*fns->empty_type) (fhandle); | |
2655 | return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, | |
2656 | name); | |
2657 | case DEBUG_KIND_VOID: | |
2658 | return (*fns->void_type) (fhandle); | |
2659 | case DEBUG_KIND_INT: | |
2660 | return (*fns->int_type) (fhandle, type->size, type->u.kint); | |
2661 | case DEBUG_KIND_FLOAT: | |
2662 | return (*fns->float_type) (fhandle, type->size); | |
2663 | case DEBUG_KIND_COMPLEX: | |
2664 | return (*fns->complex_type) (fhandle, type->size); | |
2665 | case DEBUG_KIND_BOOL: | |
2666 | return (*fns->bool_type) (fhandle, type->size); | |
2667 | case DEBUG_KIND_STRUCT: | |
2668 | case DEBUG_KIND_UNION: | |
2669 | if (type->u.kclass != NULL) | |
2670 | { | |
2671 | if (type->u.kclass->id <= info->base_id) | |
2672 | { | |
2673 | if (! debug_set_class_id (info, tag, type)) | |
2674 | return false; | |
2675 | } | |
2676 | ||
2677 | if (info->mark == type->u.kclass->mark) | |
2678 | { | |
2679 | /* We are currently outputting this struct, or we have | |
2680 | already output it. I don't know if this can happen, | |
2681 | but it can happen for a class. */ | |
2682 | assert (type->u.kclass->id > info->base_id); | |
2683 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, | |
2684 | type->kind); | |
2685 | } | |
2686 | type->u.kclass->mark = info->mark; | |
2687 | } | |
2688 | ||
2689 | if (! (*fns->start_struct_type) (fhandle, tag, | |
2690 | (type->u.kclass != NULL | |
2691 | ? type->u.kclass->id | |
2692 | : 0), | |
2693 | type->kind == DEBUG_KIND_STRUCT, | |
2694 | type->size)) | |
2695 | return false; | |
2696 | if (type->u.kclass != NULL | |
2697 | && type->u.kclass->fields != NULL) | |
2698 | { | |
2699 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) | |
2700 | { | |
2701 | struct debug_field *f; | |
2702 | ||
2703 | f = type->u.kclass->fields[i]; | |
2704 | if (! debug_write_type (info, fns, fhandle, f->type, | |
2705 | (struct debug_name *) NULL) | |
2706 | || ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, | |
2707 | f->u.f.bitsize, f->visibility)) | |
2708 | return false; | |
2709 | } | |
2710 | } | |
2711 | return (*fns->end_struct_type) (fhandle); | |
2712 | case DEBUG_KIND_CLASS: | |
2713 | case DEBUG_KIND_UNION_CLASS: | |
2714 | return debug_write_class_type (info, fns, fhandle, type, tag); | |
2715 | case DEBUG_KIND_ENUM: | |
2716 | if (type->u.kenum == NULL) | |
2717 | return (*fns->enum_type) (fhandle, tag, (const char **) NULL, | |
2718 | (bfd_signed_vma *) NULL); | |
2719 | return (*fns->enum_type) (fhandle, tag, type->u.kenum->names, | |
2720 | type->u.kenum->values); | |
2721 | case DEBUG_KIND_POINTER: | |
2722 | if (! debug_write_type (info, fns, fhandle, type->u.kpointer, | |
2723 | (struct debug_name *) NULL)) | |
2724 | return false; | |
2725 | return (*fns->pointer_type) (fhandle); | |
2726 | case DEBUG_KIND_FUNCTION: | |
2727 | if (! debug_write_type (info, fns, fhandle, | |
2728 | type->u.kfunction->return_type, | |
2729 | (struct debug_name *) NULL)) | |
2730 | return false; | |
2731 | if (type->u.kfunction->arg_types == NULL) | |
2732 | is = -1; | |
2733 | else | |
2734 | { | |
2735 | for (is = 0; type->u.kfunction->arg_types[is] != NULL; is++) | |
2736 | if (! debug_write_type (info, fns, fhandle, | |
2737 | type->u.kfunction->arg_types[is], | |
2738 | (struct debug_name *) NULL)) | |
2739 | return false; | |
2740 | } | |
2741 | return (*fns->function_type) (fhandle, is, | |
2742 | type->u.kfunction->varargs); | |
2743 | case DEBUG_KIND_REFERENCE: | |
2744 | if (! debug_write_type (info, fns, fhandle, type->u.kreference, | |
2745 | (struct debug_name *) NULL)) | |
2746 | return false; | |
2747 | return (*fns->reference_type) (fhandle); | |
2748 | case DEBUG_KIND_RANGE: | |
2749 | if (! debug_write_type (info, fns, fhandle, type->u.krange->type, | |
2750 | (struct debug_name *) NULL)) | |
2751 | return false; | |
2752 | return (*fns->range_type) (fhandle, type->u.krange->lower, | |
2753 | type->u.krange->upper); | |
2754 | case DEBUG_KIND_ARRAY: | |
2755 | if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type, | |
2756 | (struct debug_name *) NULL) | |
2757 | || ! debug_write_type (info, fns, fhandle, | |
2758 | type->u.karray->range_type, | |
2759 | (struct debug_name *) NULL)) | |
2760 | return false; | |
2761 | return (*fns->array_type) (fhandle, type->u.karray->lower, | |
2762 | type->u.karray->upper, | |
2763 | type->u.karray->stringp); | |
2764 | case DEBUG_KIND_SET: | |
2765 | if (! debug_write_type (info, fns, fhandle, type->u.kset->type, | |
2766 | (struct debug_name *) NULL)) | |
2767 | return false; | |
2768 | return (*fns->set_type) (fhandle, type->u.kset->bitstringp); | |
2769 | case DEBUG_KIND_OFFSET: | |
2770 | if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type, | |
2771 | (struct debug_name *) NULL) | |
2772 | || ! debug_write_type (info, fns, fhandle, | |
2773 | type->u.koffset->target_type, | |
2774 | (struct debug_name *) NULL)) | |
2775 | return false; | |
2776 | return (*fns->offset_type) (fhandle); | |
2777 | case DEBUG_KIND_METHOD: | |
2778 | if (! debug_write_type (info, fns, fhandle, | |
2779 | type->u.kmethod->return_type, | |
2780 | (struct debug_name *) NULL)) | |
2781 | return false; | |
2782 | if (type->u.kmethod->arg_types == NULL) | |
2783 | is = -1; | |
2784 | else | |
2785 | { | |
2786 | for (is = 0; type->u.kmethod->arg_types[is] != NULL; is++) | |
2787 | if (! debug_write_type (info, fns, fhandle, | |
2788 | type->u.kmethod->arg_types[is], | |
2789 | (struct debug_name *) NULL)) | |
2790 | return false; | |
2791 | } | |
2792 | if (type->u.kmethod->domain_type != NULL) | |
2793 | { | |
2794 | if (! debug_write_type (info, fns, fhandle, | |
2795 | type->u.kmethod->domain_type, | |
2796 | (struct debug_name *) NULL)) | |
2797 | return false; | |
2798 | } | |
2799 | return (*fns->method_type) (fhandle, | |
2800 | type->u.kmethod->domain_type != NULL, | |
2801 | is, | |
2802 | type->u.kmethod->varargs); | |
2803 | case DEBUG_KIND_CONST: | |
2804 | if (! debug_write_type (info, fns, fhandle, type->u.kconst, | |
2805 | (struct debug_name *) NULL)) | |
2806 | return false; | |
2807 | return (*fns->const_type) (fhandle); | |
2808 | case DEBUG_KIND_VOLATILE: | |
2809 | if (! debug_write_type (info, fns, fhandle, type->u.kvolatile, | |
2810 | (struct debug_name *) NULL)) | |
2811 | return false; | |
2812 | return (*fns->volatile_type) (fhandle); | |
2813 | case DEBUG_KIND_NAMED: | |
2814 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, | |
2815 | (struct debug_name *) NULL); | |
2816 | case DEBUG_KIND_TAGGED: | |
2817 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, | |
2818 | type->u.knamed->name); | |
2819 | default: | |
2820 | abort (); | |
2821 | return false; | |
2822 | } | |
2823 | } | |
2824 | ||
2825 | /* Write out a class type. */ | |
2826 | ||
2827 | static boolean | |
2828 | debug_write_class_type (info, fns, fhandle, type, tag) | |
2829 | struct debug_handle *info; | |
2830 | const struct debug_write_fns *fns; | |
2831 | PTR fhandle; | |
2832 | struct debug_type *type; | |
2833 | const char *tag; | |
2834 | { | |
2835 | unsigned int i; | |
2836 | unsigned int id; | |
2837 | struct debug_type *vptrbase; | |
2838 | ||
2839 | if (type->u.kclass == NULL) | |
2840 | { | |
2841 | id = 0; | |
2842 | vptrbase = NULL; | |
2843 | } | |
2844 | else | |
2845 | { | |
2846 | if (type->u.kclass->id <= info->base_id) | |
2847 | { | |
2848 | if (! debug_set_class_id (info, tag, type)) | |
2849 | return false; | |
2850 | } | |
2851 | ||
2852 | if (info->mark == type->u.kclass->mark) | |
2853 | { | |
2854 | /* We are currently outputting this class, or we have | |
2855 | already output it. This can happen when there are | |
2856 | methods for an anonymous class. */ | |
2857 | assert (type->u.kclass->id > info->base_id); | |
2858 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, | |
2859 | type->kind); | |
2860 | } | |
2861 | type->u.kclass->mark = info->mark; | |
2862 | id = type->u.kclass->id; | |
2863 | ||
2864 | vptrbase = type->u.kclass->vptrbase; | |
2865 | if (vptrbase != NULL && vptrbase != type) | |
2866 | { | |
2867 | if (! debug_write_type (info, fns, fhandle, vptrbase, | |
2868 | (struct debug_name *) NULL)) | |
2869 | return false; | |
2870 | } | |
2871 | } | |
2872 | ||
2873 | if (! (*fns->start_class_type) (fhandle, tag, id, | |
2874 | type->kind == DEBUG_KIND_CLASS, | |
2875 | type->size, | |
2876 | vptrbase != NULL, | |
2877 | vptrbase == type)) | |
2878 | return false; | |
2879 | ||
2880 | if (type->u.kclass != NULL) | |
2881 | { | |
2882 | if (type->u.kclass->fields != NULL) | |
2883 | { | |
2884 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) | |
2885 | { | |
2886 | struct debug_field *f; | |
2887 | ||
2888 | f = type->u.kclass->fields[i]; | |
2889 | if (! debug_write_type (info, fns, fhandle, f->type, | |
2890 | (struct debug_name *) NULL)) | |
2891 | return false; | |
2892 | if (f->static_member) | |
2893 | { | |
2894 | if (! (*fns->class_static_member) (fhandle, f->name, | |
2895 | f->u.s.physname, | |
2896 | f->visibility)) | |
2897 | return false; | |
2898 | } | |
2899 | else | |
2900 | { | |
2901 | if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, | |
2902 | f->u.f.bitsize, f->visibility)) | |
2903 | return false; | |
2904 | } | |
2905 | } | |
2906 | } | |
2907 | ||
2908 | if (type->u.kclass->baseclasses != NULL) | |
2909 | { | |
2910 | for (i = 0; type->u.kclass->baseclasses[i] != NULL; i++) | |
2911 | { | |
2912 | struct debug_baseclass *b; | |
2913 | ||
2914 | b = type->u.kclass->baseclasses[i]; | |
2915 | if (! debug_write_type (info, fns, fhandle, b->type, | |
2916 | (struct debug_name *) NULL)) | |
2917 | return false; | |
2918 | if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->virtual, | |
2919 | b->visibility)) | |
2920 | return false; | |
2921 | } | |
2922 | } | |
2923 | ||
2924 | if (type->u.kclass->methods != NULL) | |
2925 | { | |
2926 | for (i = 0; type->u.kclass->methods[i] != NULL; i++) | |
2927 | { | |
2928 | struct debug_method *m; | |
2929 | unsigned int j; | |
2930 | ||
2931 | m = type->u.kclass->methods[i]; | |
2932 | if (! (*fns->class_start_method) (fhandle, m->name)) | |
2933 | return false; | |
2934 | for (j = 0; m->variants[j] != NULL; j++) | |
2935 | { | |
2936 | struct debug_method_variant *v; | |
2937 | ||
2938 | v = m->variants[j]; | |
2939 | if (v->context != NULL) | |
2940 | { | |
2941 | if (! debug_write_type (info, fns, fhandle, v->context, | |
2942 | (struct debug_name *) NULL)) | |
2943 | return false; | |
2944 | } | |
2945 | if (! debug_write_type (info, fns, fhandle, v->type, | |
2946 | (struct debug_name *) NULL)) | |
2947 | return false; | |
2948 | if (v->voffset != VOFFSET_STATIC_METHOD) | |
2949 | { | |
2950 | if (! (*fns->class_method_variant) (fhandle, v->physname, | |
2951 | v->visibility, | |
2952 | v->constp, | |
2953 | v->volatilep, | |
2954 | v->voffset, | |
2955 | v->context != NULL)) | |
2956 | return false; | |
2957 | } | |
2958 | else | |
2959 | { | |
2960 | if (! (*fns->class_static_method_variant) (fhandle, | |
2961 | v->physname, | |
2962 | v->visibility, | |
2963 | v->constp, | |
2964 | v->volatilep)) | |
2965 | return false; | |
2966 | } | |
2967 | } | |
2968 | if (! (*fns->class_end_method) (fhandle)) | |
2969 | return false; | |
2970 | } | |
2971 | } | |
2972 | } | |
2973 | ||
2974 | return (*fns->end_class_type) (fhandle); | |
2975 | } | |
2976 | ||
2977 | /* Write out information for a function. */ | |
2978 | ||
2979 | static boolean | |
2980 | debug_write_function (info, fns, fhandle, name, linkage, function) | |
2981 | struct debug_handle *info; | |
2982 | const struct debug_write_fns *fns; | |
2983 | PTR fhandle; | |
2984 | const char *name; | |
2985 | enum debug_object_linkage linkage; | |
2986 | struct debug_function *function; | |
2987 | { | |
2988 | struct debug_parameter *p; | |
2989 | struct debug_block *b; | |
2990 | ||
2991 | if (! debug_write_linenos (info, fns, fhandle, function->blocks->start)) | |
2992 | return false; | |
2993 | ||
2994 | if (! debug_write_type (info, fns, fhandle, function->return_type, | |
2995 | (struct debug_name *) NULL)) | |
2996 | return false; | |
2997 | ||
2998 | if (! (*fns->start_function) (fhandle, name, | |
2999 | linkage == DEBUG_LINKAGE_GLOBAL)) | |
3000 | return false; | |
3001 | ||
3002 | for (p = function->parameters; p != NULL; p = p->next) | |
3003 | { | |
3004 | if (! debug_write_type (info, fns, fhandle, p->type, | |
3005 | (struct debug_name *) NULL) | |
3006 | || ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val)) | |
3007 | return false; | |
3008 | } | |
3009 | ||
3010 | for (b = function->blocks; b != NULL; b = b->next) | |
3011 | { | |
3012 | if (! debug_write_block (info, fns, fhandle, b)) | |
3013 | return false; | |
3014 | } | |
3015 | ||
3016 | return (*fns->end_function) (fhandle); | |
3017 | } | |
3018 | ||
3019 | /* Write out information for a block. */ | |
3020 | ||
3021 | static boolean | |
3022 | debug_write_block (info, fns, fhandle, block) | |
3023 | struct debug_handle *info; | |
3024 | const struct debug_write_fns *fns; | |
3025 | PTR fhandle; | |
3026 | struct debug_block *block; | |
3027 | { | |
3028 | struct debug_name *n; | |
3029 | struct debug_block *b; | |
3030 | ||
3031 | if (! debug_write_linenos (info, fns, fhandle, block->start)) | |
3032 | return false; | |
3033 | ||
3034 | /* I can't see any point to writing out a block with no local | |
3035 | variables, so we don't bother, except for the top level block. */ | |
3036 | if (block->locals != NULL || block->parent == NULL) | |
3037 | { | |
3038 | if (! (*fns->start_block) (fhandle, block->start)) | |
3039 | return false; | |
3040 | } | |
3041 | ||
3042 | if (block->locals != NULL) | |
3043 | { | |
3044 | for (n = block->locals->list; n != NULL; n = n->next) | |
3045 | { | |
3046 | if (! debug_write_name (info, fns, fhandle, n)) | |
3047 | return false; | |
3048 | } | |
3049 | } | |
3050 | ||
3051 | for (b = block->children; b != NULL; b = b->next) | |
3052 | { | |
3053 | if (! debug_write_block (info, fns, fhandle, b)) | |
3054 | return false; | |
3055 | } | |
3056 | ||
3057 | if (! debug_write_linenos (info, fns, fhandle, block->end)) | |
3058 | return false; | |
3059 | ||
3060 | if (block->locals != NULL || block->parent == NULL) | |
3061 | { | |
3062 | if (! (*fns->end_block) (fhandle, block->end)) | |
3063 | return false; | |
3064 | } | |
3065 | ||
3066 | return true; | |
3067 | } | |
3068 | ||
3069 | /* Write out line number information up to ADDRESS. */ | |
3070 | ||
3071 | static boolean | |
3072 | debug_write_linenos (info, fns, fhandle, address) | |
3073 | struct debug_handle *info; | |
3074 | const struct debug_write_fns *fns; | |
3075 | PTR fhandle; | |
3076 | bfd_vma address; | |
3077 | { | |
3078 | while (info->current_write_lineno != NULL) | |
3079 | { | |
3080 | struct debug_lineno *l; | |
3081 | ||
3082 | l = info->current_write_lineno; | |
3083 | ||
3084 | while (info->current_write_lineno_index < DEBUG_LINENO_COUNT) | |
3085 | { | |
3086 | if (l->linenos[info->current_write_lineno_index] | |
3087 | == (unsigned long) -1) | |
3088 | break; | |
3089 | ||
3090 | if (l->addrs[info->current_write_lineno_index] >= address) | |
3091 | return true; | |
3092 | ||
3093 | if (! (*fns->lineno) (fhandle, l->file->filename, | |
3094 | l->linenos[info->current_write_lineno_index], | |
3095 | l->addrs[info->current_write_lineno_index])) | |
3096 | return false; | |
3097 | ||
3098 | ++info->current_write_lineno_index; | |
3099 | } | |
3100 | ||
3101 | info->current_write_lineno = l->next; | |
3102 | info->current_write_lineno_index = 0; | |
3103 | } | |
3104 | ||
3105 | return true; | |
3106 | } | |
3107 | ||
3108 | /* Get the ID number for a class. If during the same call to | |
3109 | debug_write we find a struct with the same definition with the same | |
3110 | name, we use the same ID. This type of things happens because the | |
3111 | same struct will be defined by multiple compilation units. */ | |
3112 | ||
3113 | static boolean | |
3114 | debug_set_class_id (info, tag, type) | |
3115 | struct debug_handle *info; | |
3116 | const char *tag; | |
3117 | struct debug_type *type; | |
3118 | { | |
3119 | struct debug_class_type *c; | |
3120 | struct debug_class_id *l; | |
3121 | ||
3122 | assert (type->kind == DEBUG_KIND_STRUCT | |
3123 | || type->kind == DEBUG_KIND_UNION | |
3124 | || type->kind == DEBUG_KIND_CLASS | |
3125 | || type->kind == DEBUG_KIND_UNION_CLASS); | |
3126 | ||
3127 | c = type->u.kclass; | |
3128 | ||
3129 | if (c->id > info->base_id) | |
3130 | return true; | |
3131 | ||
3132 | for (l = info->id_list; l != NULL; l = l->next) | |
3133 | { | |
3134 | if (l->type->kind != type->kind) | |
3135 | continue; | |
3136 | ||
3137 | if (tag == NULL) | |
3138 | { | |
3139 | if (l->tag != NULL) | |
3140 | continue; | |
3141 | } | |
3142 | else | |
3143 | { | |
3144 | if (l->tag == NULL | |
3145 | || l->tag[0] != tag[0] | |
3146 | || strcmp (l->tag, tag) != 0) | |
3147 | continue; | |
3148 | } | |
3149 | ||
3150 | if (debug_type_samep (info, l->type, type)) | |
3151 | { | |
3152 | c->id = l->type->u.kclass->id; | |
3153 | return true; | |
3154 | } | |
3155 | } | |
3156 | ||
3157 | /* There are no identical types. Use a new ID, and add it to the | |
3158 | list. */ | |
3159 | ++info->class_id; | |
3160 | c->id = info->class_id; | |
3161 | ||
3162 | l = (struct debug_class_id *) xmalloc (sizeof *l); | |
3163 | memset (l, 0, sizeof *l); | |
3164 | ||
3165 | l->type = type; | |
3166 | l->tag = tag; | |
3167 | ||
3168 | l->next = info->id_list; | |
3169 | info->id_list = l; | |
3170 | ||
3171 | return true; | |
3172 | } | |
3173 | ||
3174 | /* See if two types are the same. At this point, we don't care about | |
3175 | tags and the like. */ | |
3176 | ||
3177 | static boolean | |
3178 | debug_type_samep (info, t1, t2) | |
3179 | struct debug_handle *info; | |
3180 | struct debug_type *t1; | |
3181 | struct debug_type *t2; | |
3182 | { | |
3183 | struct debug_type_compare_list *l; | |
3184 | struct debug_type_compare_list top; | |
3185 | boolean ret; | |
3186 | ||
3187 | if (t1 == NULL) | |
3188 | return t2 == NULL; | |
3189 | if (t2 == NULL) | |
3190 | return false; | |
3191 | ||
3192 | while (t1->kind == DEBUG_KIND_INDIRECT) | |
3193 | { | |
3194 | t1 = *t1->u.kindirect->slot; | |
3195 | if (t1 == NULL) | |
3196 | return false; | |
3197 | } | |
3198 | while (t2->kind == DEBUG_KIND_INDIRECT) | |
3199 | { | |
3200 | t2 = *t2->u.kindirect->slot; | |
3201 | if (t2 == NULL) | |
3202 | return false; | |
3203 | } | |
3204 | ||
3205 | if (t1 == t2) | |
3206 | return true; | |
3207 | ||
3208 | /* As a special case, permit a typedef to match a tag, since C++ | |
3209 | debugging output will sometimes add a typedef where C debugging | |
3210 | output will not. */ | |
3211 | if (t1->kind == DEBUG_KIND_NAMED | |
3212 | && t2->kind == DEBUG_KIND_TAGGED) | |
3213 | return debug_type_samep (info, t1->u.knamed->type, t2); | |
3214 | else if (t1->kind == DEBUG_KIND_TAGGED | |
3215 | && t2->kind == DEBUG_KIND_NAMED) | |
3216 | return debug_type_samep (info, t1, t2->u.knamed->type); | |
3217 | ||
3218 | if (t1->kind != t2->kind | |
3219 | || t1->size != t2->size) | |
3220 | return false; | |
3221 | ||
3222 | /* Get rid of the trivial cases first. */ | |
3223 | switch (t1->kind) | |
3224 | { | |
3225 | default: | |
3226 | break; | |
3227 | case DEBUG_KIND_VOID: | |
3228 | case DEBUG_KIND_FLOAT: | |
3229 | case DEBUG_KIND_COMPLEX: | |
3230 | case DEBUG_KIND_BOOL: | |
3231 | return true; | |
3232 | case DEBUG_KIND_INT: | |
3233 | return t1->u.kint == t2->u.kint; | |
3234 | } | |
3235 | ||
3236 | /* We have to avoid an infinite recursion. We do this by keeping a | |
3237 | list of types which we are comparing. We just keep the list on | |
3238 | the stack. If we encounter a pair of types we are currently | |
3239 | comparing, we just assume that they are equal. */ | |
3240 | for (l = info->compare_list; l != NULL; l = l->next) | |
3241 | { | |
3242 | if (l->t1 == t1 && l->t2 == t2) | |
3243 | return true; | |
3244 | } | |
3245 | ||
3246 | top.t1 = t1; | |
3247 | top.t2 = t2; | |
3248 | top.next = info->compare_list; | |
3249 | info->compare_list = ⊤ | |
3250 | ||
3251 | switch (t1->kind) | |
3252 | { | |
3253 | default: | |
3254 | abort (); | |
3255 | ret = false; | |
3256 | break; | |
3257 | ||
3258 | case DEBUG_KIND_STRUCT: | |
3259 | case DEBUG_KIND_UNION: | |
3260 | case DEBUG_KIND_CLASS: | |
3261 | case DEBUG_KIND_UNION_CLASS: | |
3262 | if (t1->u.kclass == NULL) | |
3263 | ret = t2->u.kclass == NULL; | |
3264 | else if (t2->u.kclass == NULL) | |
3265 | ret = false; | |
3266 | else if (t1->u.kclass->id > info->base_id | |
3267 | && t1->u.kclass->id == t2->u.kclass->id) | |
3268 | ret = true; | |
3269 | else | |
3270 | ret = debug_class_type_samep (info, t1, t2); | |
3271 | break; | |
3272 | ||
3273 | case DEBUG_KIND_ENUM: | |
3274 | if (t1->u.kenum == NULL) | |
3275 | ret = t2->u.kenum == NULL; | |
3276 | else if (t2->u.kenum == NULL) | |
3277 | ret = false; | |
3278 | else | |
3279 | { | |
3280 | const char **pn1, **pn2; | |
3281 | bfd_signed_vma *pv1, *pv2; | |
3282 | ||
3283 | pn1 = t1->u.kenum->names; | |
3284 | pn2 = t2->u.kenum->names; | |
3285 | pv1 = t1->u.kenum->values; | |
3286 | pv2 = t2->u.kenum->values; | |
3287 | while (*pn1 != NULL && *pn2 != NULL) | |
3288 | { | |
3289 | if (**pn1 != **pn2 | |
3290 | || *pv1 != *pv2 | |
3291 | || strcmp (*pn1, *pn2) != 0) | |
3292 | break; | |
3293 | ++pn1; | |
3294 | ++pn2; | |
3295 | ++pv1; | |
3296 | ++pv2; | |
3297 | } | |
3298 | ret = *pn1 == NULL && *pn2 == NULL; | |
3299 | } | |
3300 | break; | |
3301 | ||
3302 | case DEBUG_KIND_POINTER: | |
3303 | ret = debug_type_samep (info, t1->u.kpointer, t2->u.kpointer); | |
3304 | break; | |
26044998 | 3305 | |
252b5132 RH |
3306 | case DEBUG_KIND_FUNCTION: |
3307 | if (t1->u.kfunction->varargs != t2->u.kfunction->varargs | |
3308 | || ! debug_type_samep (info, t1->u.kfunction->return_type, | |
3309 | t2->u.kfunction->return_type) | |
3310 | || ((t1->u.kfunction->arg_types == NULL) | |
3311 | != (t2->u.kfunction->arg_types == NULL))) | |
3312 | ret = false; | |
3313 | else if (t1->u.kfunction->arg_types == NULL) | |
3314 | ret = true; | |
3315 | else | |
3316 | { | |
3317 | struct debug_type **a1, **a2; | |
3318 | ||
3319 | a1 = t1->u.kfunction->arg_types; | |
3320 | a2 = t2->u.kfunction->arg_types; | |
3321 | while (*a1 != NULL && *a2 != NULL) | |
3322 | { | |
3323 | if (! debug_type_samep (info, *a1, *a2)) | |
3324 | break; | |
3325 | ++a1; | |
3326 | ++a2; | |
3327 | } | |
3328 | ret = *a1 == NULL && *a2 == NULL; | |
3329 | } | |
3330 | break; | |
3331 | ||
3332 | case DEBUG_KIND_REFERENCE: | |
3333 | ret = debug_type_samep (info, t1->u.kreference, t2->u.kreference); | |
3334 | break; | |
3335 | ||
3336 | case DEBUG_KIND_RANGE: | |
3337 | ret = (t1->u.krange->lower == t2->u.krange->lower | |
3338 | && t1->u.krange->upper == t2->u.krange->upper | |
3339 | && debug_type_samep (info, t1->u.krange->type, | |
3340 | t2->u.krange->type)); | |
3341 | ||
3342 | case DEBUG_KIND_ARRAY: | |
3343 | ret = (t1->u.karray->lower == t2->u.karray->lower | |
3344 | && t1->u.karray->upper == t2->u.karray->upper | |
3345 | && t1->u.karray->stringp == t2->u.karray->stringp | |
3346 | && debug_type_samep (info, t1->u.karray->element_type, | |
3347 | t2->u.karray->element_type)); | |
3348 | break; | |
3349 | ||
3350 | case DEBUG_KIND_SET: | |
3351 | ret = (t1->u.kset->bitstringp == t2->u.kset->bitstringp | |
3352 | && debug_type_samep (info, t1->u.kset->type, t2->u.kset->type)); | |
3353 | break; | |
3354 | ||
3355 | case DEBUG_KIND_OFFSET: | |
3356 | ret = (debug_type_samep (info, t1->u.koffset->base_type, | |
3357 | t2->u.koffset->base_type) | |
3358 | && debug_type_samep (info, t1->u.koffset->target_type, | |
3359 | t2->u.koffset->target_type)); | |
3360 | break; | |
3361 | ||
3362 | case DEBUG_KIND_METHOD: | |
3363 | if (t1->u.kmethod->varargs != t2->u.kmethod->varargs | |
3364 | || ! debug_type_samep (info, t1->u.kmethod->return_type, | |
3365 | t2->u.kmethod->return_type) | |
3366 | || ! debug_type_samep (info, t1->u.kmethod->domain_type, | |
3367 | t2->u.kmethod->domain_type) | |
3368 | || ((t1->u.kmethod->arg_types == NULL) | |
3369 | != (t2->u.kmethod->arg_types == NULL))) | |
3370 | ret = false; | |
3371 | else if (t1->u.kmethod->arg_types == NULL) | |
3372 | ret = true; | |
3373 | else | |
3374 | { | |
3375 | struct debug_type **a1, **a2; | |
3376 | ||
3377 | a1 = t1->u.kmethod->arg_types; | |
3378 | a2 = t2->u.kmethod->arg_types; | |
3379 | while (*a1 != NULL && *a2 != NULL) | |
3380 | { | |
3381 | if (! debug_type_samep (info, *a1, *a2)) | |
3382 | break; | |
3383 | ++a1; | |
3384 | ++a2; | |
3385 | } | |
3386 | ret = *a1 == NULL && *a2 == NULL; | |
3387 | } | |
3388 | break; | |
3389 | ||
3390 | case DEBUG_KIND_CONST: | |
3391 | ret = debug_type_samep (info, t1->u.kconst, t2->u.kconst); | |
3392 | break; | |
3393 | ||
3394 | case DEBUG_KIND_VOLATILE: | |
3395 | ret = debug_type_samep (info, t1->u.kvolatile, t2->u.kvolatile); | |
3396 | break; | |
3397 | ||
3398 | case DEBUG_KIND_NAMED: | |
3399 | case DEBUG_KIND_TAGGED: | |
3400 | ret = (strcmp (t1->u.knamed->name->name, t2->u.knamed->name->name) == 0 | |
3401 | && debug_type_samep (info, t1->u.knamed->type, | |
3402 | t2->u.knamed->type)); | |
3403 | break; | |
3404 | } | |
3405 | ||
3406 | info->compare_list = top.next; | |
3407 | ||
3408 | return ret; | |
3409 | } | |
3410 | ||
3411 | /* See if two classes are the same. This is a subroutine of | |
3412 | debug_type_samep. */ | |
3413 | ||
3414 | static boolean | |
3415 | debug_class_type_samep (info, t1, t2) | |
3416 | struct debug_handle *info; | |
3417 | struct debug_type *t1; | |
3418 | struct debug_type *t2; | |
3419 | { | |
3420 | struct debug_class_type *c1, *c2; | |
3421 | ||
3422 | c1 = t1->u.kclass; | |
3423 | c2 = t2->u.kclass; | |
3424 | ||
3425 | if ((c1->fields == NULL) != (c2->fields == NULL) | |
3426 | || (c1->baseclasses == NULL) != (c2->baseclasses == NULL) | |
3427 | || (c1->methods == NULL) != (c2->methods == NULL) | |
3428 | || (c1->vptrbase == NULL) != (c2->vptrbase == NULL)) | |
3429 | return false; | |
3430 | ||
3431 | if (c1->fields != NULL) | |
3432 | { | |
3433 | struct debug_field **pf1, **pf2; | |
3434 | ||
3435 | for (pf1 = c1->fields, pf2 = c2->fields; | |
3436 | *pf1 != NULL && *pf2 != NULL; | |
3437 | pf1++, pf2++) | |
3438 | { | |
3439 | struct debug_field *f1, *f2; | |
3440 | ||
3441 | f1 = *pf1; | |
3442 | f2 = *pf2; | |
3443 | if (f1->name[0] != f2->name[0] | |
3444 | || f1->visibility != f2->visibility | |
3445 | || f1->static_member != f2->static_member) | |
3446 | return false; | |
3447 | if (f1->static_member) | |
3448 | { | |
3449 | if (strcmp (f1->u.s.physname, f2->u.s.physname) != 0) | |
3450 | return false; | |
3451 | } | |
3452 | else | |
3453 | { | |
3454 | if (f1->u.f.bitpos != f2->u.f.bitpos | |
3455 | || f1->u.f.bitsize != f2->u.f.bitsize) | |
3456 | return false; | |
3457 | } | |
3458 | /* We do the checks which require function calls last. We | |
3459 | don't require that the types of fields have the same | |
3460 | names, since that sometimes fails in the presence of | |
3461 | typedefs and we really don't care. */ | |
3462 | if (strcmp (f1->name, f2->name) != 0 | |
3463 | || ! debug_type_samep (info, | |
3464 | debug_get_real_type ((PTR) info, | |
3465 | f1->type, NULL), | |
3466 | debug_get_real_type ((PTR) info, | |
3467 | f2->type, NULL))) | |
3468 | return false; | |
3469 | } | |
3470 | if (*pf1 != NULL || *pf2 != NULL) | |
3471 | return false; | |
3472 | } | |
3473 | ||
3474 | if (c1->vptrbase != NULL) | |
3475 | { | |
3476 | if (! debug_type_samep (info, c1->vptrbase, c2->vptrbase)) | |
3477 | return false; | |
3478 | } | |
3479 | ||
3480 | if (c1->baseclasses != NULL) | |
3481 | { | |
3482 | struct debug_baseclass **pb1, **pb2; | |
3483 | ||
3484 | for (pb1 = c1->baseclasses, pb2 = c2->baseclasses; | |
3485 | *pb1 != NULL && *pb2 != NULL; | |
3486 | ++pb1, ++pb2) | |
3487 | { | |
3488 | struct debug_baseclass *b1, *b2; | |
3489 | ||
3490 | b1 = *pb1; | |
3491 | b2 = *pb2; | |
3492 | if (b1->bitpos != b2->bitpos | |
3493 | || b1->virtual != b2->virtual | |
3494 | || b1->visibility != b2->visibility | |
3495 | || ! debug_type_samep (info, b1->type, b2->type)) | |
3496 | return false; | |
3497 | } | |
3498 | if (*pb1 != NULL || *pb2 != NULL) | |
3499 | return false; | |
3500 | } | |
3501 | ||
3502 | if (c1->methods != NULL) | |
3503 | { | |
3504 | struct debug_method **pm1, **pm2; | |
3505 | ||
3506 | for (pm1 = c1->methods, pm2 = c2->methods; | |
3507 | *pm1 != NULL && *pm2 != NULL; | |
3508 | ++pm1, ++pm2) | |
3509 | { | |
3510 | struct debug_method *m1, *m2; | |
3511 | ||
3512 | m1 = *pm1; | |
3513 | m2 = *pm2; | |
3514 | if (m1->name[0] != m2->name[0] | |
3515 | || strcmp (m1->name, m2->name) != 0 | |
3516 | || (m1->variants == NULL) != (m2->variants == NULL)) | |
3517 | return false; | |
3518 | if (m1->variants == NULL) | |
3519 | { | |
3520 | struct debug_method_variant **pv1, **pv2; | |
3521 | ||
3522 | for (pv1 = m1->variants, pv2 = m2->variants; | |
3523 | *pv1 != NULL && *pv2 != NULL; | |
3524 | ++pv1, ++pv2) | |
3525 | { | |
3526 | struct debug_method_variant *v1, *v2; | |
3527 | ||
3528 | v1 = *pv1; | |
3529 | v2 = *pv2; | |
3530 | if (v1->physname[0] != v2->physname[0] | |
3531 | || v1->visibility != v2->visibility | |
3532 | || v1->constp != v2->constp | |
3533 | || v1->volatilep != v2->volatilep | |
3534 | || v1->voffset != v2->voffset | |
3535 | || (v1->context == NULL) != (v2->context == NULL) | |
3536 | || strcmp (v1->physname, v2->physname) != 0 | |
3537 | || ! debug_type_samep (info, v1->type, v2->type)) | |
3538 | return false; | |
3539 | if (v1->context != NULL) | |
3540 | { | |
3541 | if (! debug_type_samep (info, v1->context, | |
3542 | v2->context)) | |
3543 | return false; | |
3544 | } | |
3545 | } | |
3546 | if (*pv1 != NULL || *pv2 != NULL) | |
3547 | return false; | |
3548 | } | |
3549 | } | |
3550 | if (*pm1 != NULL || *pm2 != NULL) | |
3551 | return false; | |
3552 | } | |
3553 | ||
3554 | return true; | |
3555 | } |