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e1c14599 | 1 | /* debug.c -- Handle generic debugging information. |
63840d26 | 2 | Copyright (C) 1995, 1996 Free Software Foundation, Inc. |
e1c14599 ILT |
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; | |
63840d26 | 51 | /* The current line number information for the current unit. */ |
e1c14599 ILT |
52 | struct debug_lineno *current_lineno; |
53 | /* Mark. This is used by debug_write. */ | |
54 | unsigned int mark; | |
55 | /* Another mark used by debug_write. */ | |
56 | unsigned int class_mark; | |
57 | }; | |
58 | ||
59 | /* Information we keep for a single compilation unit. */ | |
60 | ||
61 | struct debug_unit | |
62 | { | |
63 | /* The next compilation unit. */ | |
64 | struct debug_unit *next; | |
65 | /* A list of files included in this compilation unit. The first | |
66 | file is always the main one, and that is where the main file name | |
67 | is stored. */ | |
68 | struct debug_file *files; | |
63840d26 ILT |
69 | /* Line number information for this compilation unit. This is not |
70 | stored by function, because assembler code may have line number | |
71 | information without function information. */ | |
72 | struct debug_lineno *linenos; | |
e1c14599 ILT |
73 | }; |
74 | ||
75 | /* Information kept for a single source file. */ | |
76 | ||
77 | struct debug_file | |
78 | { | |
79 | /* The next source file in this compilation unit. */ | |
80 | struct debug_file *next; | |
81 | /* The name of the source file. */ | |
82 | const char *filename; | |
83 | /* Global functions, variables, types, etc. */ | |
84 | struct debug_namespace *globals; | |
85 | }; | |
86 | ||
87 | /* A type. */ | |
88 | ||
89 | struct debug_type | |
90 | { | |
91 | /* Kind of type. */ | |
92 | enum debug_type_kind kind; | |
93 | /* Size of type (0 if not known). */ | |
94 | unsigned int size; | |
95 | /* Type which is a pointer to this type. */ | |
96 | debug_type pointer; | |
97 | /* Tagged union with additional information about the type. */ | |
98 | union | |
99 | { | |
100 | /* DEBUG_KIND_INDIRECT. */ | |
101 | struct debug_indirect_type *kindirect; | |
102 | /* DEBUG_KIND_INT. */ | |
103 | /* Whether the integer is unsigned. */ | |
104 | boolean kint; | |
105 | /* DEBUG_KIND_STRUCT, DEBUG_KIND_UNION, DEBUG_KIND_CLASS, | |
106 | DEBUG_KIND_UNION_CLASS. */ | |
107 | struct debug_class_type *kclass; | |
108 | /* DEBUG_KIND_ENUM. */ | |
109 | struct debug_enum_type *kenum; | |
110 | /* DEBUG_KIND_POINTER. */ | |
111 | struct debug_type *kpointer; | |
112 | /* DEBUG_KIND_FUNCTION. */ | |
113 | struct debug_function_type *kfunction; | |
114 | /* DEBUG_KIND_REFERENCE. */ | |
115 | struct debug_type *kreference; | |
116 | /* DEBUG_KIND_RANGE. */ | |
117 | struct debug_range_type *krange; | |
118 | /* DEBUG_KIND_ARRAY. */ | |
119 | struct debug_array_type *karray; | |
120 | /* DEBUG_KIND_SET. */ | |
121 | struct debug_set_type *kset; | |
122 | /* DEBUG_KIND_OFFSET. */ | |
123 | struct debug_offset_type *koffset; | |
124 | /* DEBUG_KIND_METHOD. */ | |
125 | struct debug_method_type *kmethod; | |
126 | /* DEBUG_KIND_CONST. */ | |
127 | struct debug_type *kconst; | |
128 | /* DEBUG_KIND_VOLATILE. */ | |
129 | struct debug_type *kvolatile; | |
130 | /* DEBUG_KIND_NAMED, DEBUG_KIND_TAGGED. */ | |
131 | struct debug_named_type *knamed; | |
132 | } u; | |
133 | }; | |
134 | ||
135 | /* Information kept for an indirect type. */ | |
136 | ||
137 | struct debug_indirect_type | |
138 | { | |
139 | /* Slot where the final type will appear. */ | |
140 | debug_type *slot; | |
141 | /* Tag. */ | |
142 | const char *tag; | |
143 | }; | |
144 | ||
145 | /* Information kept for a struct, union, or class. */ | |
146 | ||
147 | struct debug_class_type | |
148 | { | |
149 | /* NULL terminated array of fields. */ | |
150 | debug_field *fields; | |
151 | /* A mark field used to avoid recursively printing out structs. */ | |
152 | unsigned int mark; | |
153 | /* The remaining fields are only used for DEBUG_KIND_CLASS and | |
154 | DEBUG_KIND_UNION_CLASS. */ | |
155 | /* NULL terminated array of base classes. */ | |
156 | debug_baseclass *baseclasses; | |
157 | /* NULL terminated array of methods. */ | |
158 | debug_method *methods; | |
159 | /* The type of the class providing the virtual function table for | |
160 | this class. This may point to the type itself. */ | |
161 | debug_type vptrbase; | |
162 | }; | |
163 | ||
164 | /* Information kept for an enum. */ | |
165 | ||
166 | struct debug_enum_type | |
167 | { | |
168 | /* NULL terminated array of names. */ | |
169 | const char **names; | |
170 | /* Array of corresponding values. */ | |
171 | bfd_signed_vma *values; | |
172 | }; | |
173 | ||
174 | /* Information kept for a function. FIXME: We should be able to | |
175 | record the parameter types. */ | |
176 | ||
177 | struct debug_function_type | |
178 | { | |
179 | /* Return type. */ | |
180 | debug_type return_type; | |
181 | }; | |
182 | ||
183 | /* Information kept for a range. */ | |
184 | ||
185 | struct debug_range_type | |
186 | { | |
187 | /* Range base type. */ | |
188 | debug_type type; | |
189 | /* Lower bound. */ | |
190 | bfd_signed_vma lower; | |
191 | /* Upper bound. */ | |
192 | bfd_signed_vma upper; | |
193 | }; | |
194 | ||
195 | /* Information kept for an array. */ | |
196 | ||
197 | struct debug_array_type | |
198 | { | |
199 | /* Element type. */ | |
200 | debug_type element_type; | |
201 | /* Range type. */ | |
202 | debug_type range_type; | |
203 | /* Lower bound. */ | |
204 | bfd_signed_vma lower; | |
205 | /* Upper bound. */ | |
206 | bfd_signed_vma upper; | |
207 | /* Whether this array is really a string. */ | |
208 | boolean stringp; | |
209 | }; | |
210 | ||
211 | /* Information kept for a set. */ | |
212 | ||
213 | struct debug_set_type | |
214 | { | |
215 | /* Base type. */ | |
216 | debug_type type; | |
217 | /* Whether this set is really a bitstring. */ | |
218 | boolean bitstringp; | |
219 | }; | |
220 | ||
221 | /* Information kept for an offset type (a based pointer). */ | |
222 | ||
223 | struct debug_offset_type | |
224 | { | |
225 | /* The type the pointer is an offset from. */ | |
226 | debug_type base_type; | |
227 | /* The type the pointer points to. */ | |
228 | debug_type target_type; | |
229 | }; | |
230 | ||
231 | /* Information kept for a method type. */ | |
232 | ||
233 | struct debug_method_type | |
234 | { | |
235 | /* The return type. */ | |
236 | debug_type return_type; | |
237 | /* The object type which this method is for. */ | |
238 | debug_type domain_type; | |
239 | /* A NULL terminated array of argument types. */ | |
240 | debug_type *arg_types; | |
241 | }; | |
242 | ||
243 | /* Information kept for a named type. */ | |
244 | ||
245 | struct debug_named_type | |
246 | { | |
247 | /* Name. */ | |
248 | struct debug_name *name; | |
249 | /* Real type. */ | |
250 | debug_type type; | |
251 | }; | |
252 | ||
253 | /* A field in a struct or union. */ | |
254 | ||
255 | struct debug_field | |
256 | { | |
257 | /* Name of the field. */ | |
258 | const char *name; | |
259 | /* Type of the field. */ | |
260 | struct debug_type *type; | |
261 | /* Visibility of the field. */ | |
262 | enum debug_visibility visibility; | |
263 | /* Whether this is a static member. */ | |
264 | boolean static_member; | |
265 | union | |
266 | { | |
267 | /* If static_member is false. */ | |
268 | struct | |
269 | { | |
270 | /* Bit position of the field in the struct. */ | |
271 | unsigned int bitpos; | |
272 | /* Size of the field in bits. */ | |
273 | unsigned int bitsize; | |
274 | } f; | |
275 | /* If static_member is true. */ | |
276 | struct | |
277 | { | |
278 | const char *physname; | |
279 | } s; | |
280 | } u; | |
281 | }; | |
282 | ||
283 | /* A base class for an object. */ | |
284 | ||
285 | struct debug_baseclass | |
286 | { | |
287 | /* Type of the base class. */ | |
288 | struct debug_type *type; | |
289 | /* Bit position of the base class in the object. */ | |
290 | unsigned int bitpos; | |
291 | /* Whether the base class is virtual. */ | |
292 | boolean virtual; | |
293 | /* Visibility of the base class. */ | |
294 | enum debug_visibility visibility; | |
295 | }; | |
296 | ||
297 | /* A method of an object. */ | |
298 | ||
299 | struct debug_method | |
300 | { | |
301 | /* The name of the method. */ | |
302 | const char *name; | |
303 | /* A NULL terminated array of different types of variants. */ | |
304 | struct debug_method_variant **variants; | |
305 | }; | |
306 | ||
307 | /* The variants of a method function of an object. These indicate | |
308 | which method to run. */ | |
309 | ||
310 | struct debug_method_variant | |
311 | { | |
312 | /* The argument types of the function. */ | |
313 | const char *argtypes; | |
314 | /* The type of the function. */ | |
315 | struct debug_type *type; | |
316 | /* The visibility of the function. */ | |
317 | enum debug_visibility visibility; | |
318 | /* Whether the function is const. */ | |
319 | boolean constp; | |
320 | /* Whether the function is volatile. */ | |
321 | boolean volatilep; | |
322 | /* The offset to the function in the virtual function table. */ | |
323 | bfd_vma voffset; | |
324 | /* If voffset is VOFFSET_STATIC_METHOD, this is a static method. */ | |
325 | #define VOFFSET_STATIC_METHOD (1) | |
326 | /* Context of a virtual method function. */ | |
327 | struct debug_type *context; | |
328 | }; | |
329 | ||
330 | /* A variable. This is the information we keep for a variable object. | |
331 | This has no name; a name is associated with a variable in a | |
332 | debug_name structure. */ | |
333 | ||
334 | struct debug_variable | |
335 | { | |
336 | /* Kind of variable. */ | |
337 | enum debug_var_kind kind; | |
338 | /* Type. */ | |
339 | debug_type type; | |
340 | /* Value. The interpretation of the value depends upon kind. */ | |
341 | bfd_vma val; | |
342 | }; | |
343 | ||
344 | /* A function. This has no name; a name is associated with a function | |
345 | in a debug_name structure. */ | |
346 | ||
347 | struct debug_function | |
348 | { | |
349 | /* Return type. */ | |
350 | debug_type return_type; | |
351 | /* Parameter information. */ | |
352 | struct debug_parameter *parameters; | |
353 | /* Block information. The first structure on the list is the main | |
354 | block of the function, and describes function local variables. */ | |
355 | struct debug_block *blocks; | |
356 | }; | |
357 | ||
358 | /* A function parameter. */ | |
359 | ||
360 | struct debug_parameter | |
361 | { | |
362 | /* Next parameter. */ | |
363 | struct debug_parameter *next; | |
364 | /* Name. */ | |
365 | const char *name; | |
366 | /* Type. */ | |
367 | debug_type type; | |
368 | /* Kind. */ | |
369 | enum debug_parm_kind kind; | |
370 | /* Value (meaning depends upon kind). */ | |
371 | bfd_vma val; | |
372 | }; | |
373 | ||
374 | /* A typed constant. */ | |
375 | ||
376 | struct debug_typed_constant | |
377 | { | |
378 | /* Type. */ | |
379 | debug_type type; | |
380 | /* Value. FIXME: We may eventually need to support non-integral | |
381 | values. */ | |
382 | bfd_vma val; | |
383 | }; | |
384 | ||
385 | /* Information about a block within a function. */ | |
386 | ||
387 | struct debug_block | |
388 | { | |
389 | /* Next block with the same parent. */ | |
390 | struct debug_block *next; | |
391 | /* Parent block. */ | |
392 | struct debug_block *parent; | |
393 | /* List of child blocks. */ | |
394 | struct debug_block *children; | |
395 | /* Start address of the block. */ | |
396 | bfd_vma start; | |
397 | /* End address of the block. */ | |
398 | bfd_vma end; | |
399 | /* Local variables. */ | |
400 | struct debug_namespace *locals; | |
e1c14599 ILT |
401 | }; |
402 | ||
63840d26 ILT |
403 | /* Line number information we keep for a compilation unit. FIXME: |
404 | This structure is easy to create, but can be very space | |
405 | inefficient. */ | |
e1c14599 ILT |
406 | |
407 | struct debug_lineno | |
408 | { | |
409 | /* More line number information for this block. */ | |
410 | struct debug_lineno *next; | |
411 | /* Source file. */ | |
412 | struct debug_file *file; | |
413 | /* Line numbers, terminated by a -1 or the end of the array. */ | |
414 | #define DEBUG_LINENO_COUNT 10 | |
415 | unsigned long linenos[DEBUG_LINENO_COUNT]; | |
416 | /* Addresses for the line numbers. */ | |
417 | bfd_vma addrs[DEBUG_LINENO_COUNT]; | |
418 | }; | |
419 | ||
420 | /* A namespace. This is a mapping from names to objects. FIXME: This | |
421 | should be implemented as a hash table. */ | |
422 | ||
423 | struct debug_namespace | |
424 | { | |
425 | /* List of items in this namespace. */ | |
426 | struct debug_name *list; | |
427 | /* Pointer to where the next item in this namespace should go. */ | |
428 | struct debug_name **tail; | |
429 | }; | |
430 | ||
431 | /* Kinds of objects that appear in a namespace. */ | |
432 | ||
433 | enum debug_object_kind | |
434 | { | |
435 | /* A type. */ | |
436 | DEBUG_OBJECT_TYPE, | |
437 | /* A tagged type (really a different sort of namespace). */ | |
438 | DEBUG_OBJECT_TAG, | |
439 | /* A variable. */ | |
440 | DEBUG_OBJECT_VARIABLE, | |
441 | /* A function. */ | |
442 | DEBUG_OBJECT_FUNCTION, | |
443 | /* An integer constant. */ | |
444 | DEBUG_OBJECT_INT_CONSTANT, | |
445 | /* A floating point constant. */ | |
446 | DEBUG_OBJECT_FLOAT_CONSTANT, | |
447 | /* A typed constant. */ | |
448 | DEBUG_OBJECT_TYPED_CONSTANT | |
449 | }; | |
450 | ||
451 | /* Linkage of an object that appears in a namespace. */ | |
452 | ||
453 | enum debug_object_linkage | |
454 | { | |
455 | /* Local variable. */ | |
456 | DEBUG_LINKAGE_AUTOMATIC, | |
457 | /* Static--either file static or function static, depending upon the | |
458 | namespace is. */ | |
459 | DEBUG_LINKAGE_STATIC, | |
460 | /* Global. */ | |
461 | DEBUG_LINKAGE_GLOBAL, | |
462 | /* No linkage. */ | |
463 | DEBUG_LINKAGE_NONE | |
464 | }; | |
465 | ||
466 | /* A name in a namespace. */ | |
467 | ||
468 | struct debug_name | |
469 | { | |
470 | /* Next name in this namespace. */ | |
471 | struct debug_name *next; | |
472 | /* Name. */ | |
473 | const char *name; | |
474 | /* Mark. This is used by debug_write. */ | |
475 | unsigned int mark; | |
476 | /* Kind of object. */ | |
477 | enum debug_object_kind kind; | |
478 | /* Linkage of object. */ | |
479 | enum debug_object_linkage linkage; | |
480 | /* Tagged union with additional information about the object. */ | |
481 | union | |
482 | { | |
483 | /* DEBUG_OBJECT_TYPE. */ | |
484 | struct debug_type *type; | |
485 | /* DEBUG_OBJECT_TAG. */ | |
486 | struct debug_type *tag; | |
487 | /* DEBUG_OBJECT_VARIABLE. */ | |
488 | struct debug_variable *variable; | |
489 | /* DEBUG_OBJECT_FUNCTION. */ | |
490 | struct debug_function *function; | |
491 | /* DEBUG_OBJECT_INT_CONSTANT. */ | |
492 | bfd_vma int_constant; | |
493 | /* DEBUG_OBJECT_FLOAT_CONSTANT. */ | |
494 | double float_constant; | |
495 | /* DEBUG_OBJECT_TYPED_CONSTANT. */ | |
496 | struct debug_typed_constant *typed_constant; | |
497 | } u; | |
498 | }; | |
499 | ||
500 | static void debug_error PARAMS ((const char *)); | |
501 | static struct debug_name *debug_add_to_namespace | |
502 | PARAMS ((struct debug_handle *, struct debug_namespace **, const char *, | |
503 | enum debug_object_kind, enum debug_object_linkage)); | |
504 | static struct debug_name *debug_add_to_current_namespace | |
505 | PARAMS ((struct debug_handle *, const char *, enum debug_object_kind, | |
506 | enum debug_object_linkage)); | |
507 | static struct debug_type *debug_make_type | |
508 | PARAMS ((struct debug_handle *, enum debug_type_kind, unsigned int)); | |
509 | static boolean debug_write_name | |
510 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
511 | struct debug_name *)); | |
512 | static boolean debug_write_type | |
513 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
514 | struct debug_type *, struct debug_name *)); | |
515 | static boolean debug_write_class_type | |
516 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
63840d26 | 517 | struct debug_type *, const char *)); |
e1c14599 ILT |
518 | static boolean debug_write_function |
519 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
520 | const char *, enum debug_object_linkage, struct debug_function *)); | |
521 | static boolean debug_write_block | |
522 | PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR, | |
523 | struct debug_block *)); | |
524 | \f | |
525 | /* Issue an error message. */ | |
526 | ||
527 | static void | |
528 | debug_error (message) | |
529 | const char *message; | |
530 | { | |
531 | fprintf (stderr, "%s\n", message); | |
532 | } | |
533 | ||
534 | /* Add an object to a namespace. */ | |
535 | ||
536 | static struct debug_name * | |
537 | debug_add_to_namespace (info, nsp, name, kind, linkage) | |
538 | struct debug_handle *info; | |
539 | struct debug_namespace **nsp; | |
540 | const char *name; | |
541 | enum debug_object_kind kind; | |
542 | enum debug_object_linkage linkage; | |
543 | { | |
544 | struct debug_name *n; | |
545 | struct debug_namespace *ns; | |
546 | ||
547 | n = (struct debug_name *) xmalloc (sizeof *n); | |
548 | memset (n, 0, sizeof *n); | |
549 | ||
550 | n->name = name; | |
551 | n->kind = kind; | |
552 | n->linkage = linkage; | |
553 | ||
554 | ns = *nsp; | |
555 | if (ns == NULL) | |
556 | { | |
557 | ns = (struct debug_namespace *) xmalloc (sizeof *ns); | |
558 | memset (ns, 0, sizeof *ns); | |
559 | ||
560 | ns->tail = &ns->list; | |
561 | ||
562 | *nsp = ns; | |
563 | } | |
564 | ||
565 | *ns->tail = n; | |
566 | ns->tail = &n->next; | |
567 | ||
568 | return n; | |
569 | } | |
570 | ||
571 | /* Add an object to the current namespace. */ | |
572 | ||
573 | static struct debug_name * | |
574 | debug_add_to_current_namespace (info, name, kind, linkage) | |
575 | struct debug_handle *info; | |
576 | const char *name; | |
577 | enum debug_object_kind kind; | |
578 | enum debug_object_linkage linkage; | |
579 | { | |
580 | struct debug_namespace **nsp; | |
581 | ||
582 | if (info->current_unit == NULL | |
583 | || info->current_file == NULL) | |
584 | { | |
585 | debug_error ("debug_add_to_current_namespace: no current file"); | |
586 | return NULL; | |
587 | } | |
588 | ||
589 | if (info->current_block != NULL) | |
590 | nsp = &info->current_block->locals; | |
591 | else | |
592 | nsp = &info->current_file->globals; | |
593 | ||
594 | return debug_add_to_namespace (info, nsp, name, kind, linkage); | |
595 | } | |
596 | \f | |
597 | /* Return a handle for debugging information. */ | |
598 | ||
599 | PTR | |
600 | debug_init () | |
601 | { | |
602 | struct debug_handle *ret; | |
603 | ||
604 | ret = (struct debug_handle *) xmalloc (sizeof *ret); | |
605 | memset (ret, 0, sizeof *ret); | |
606 | return (PTR) ret; | |
607 | } | |
608 | ||
609 | /* Set the source filename. This implicitly starts a new compilation | |
610 | unit. */ | |
611 | ||
612 | boolean | |
613 | debug_set_filename (handle, name) | |
614 | PTR handle; | |
615 | const char *name; | |
616 | { | |
617 | struct debug_handle *info = (struct debug_handle *) handle; | |
618 | struct debug_file *nfile; | |
619 | struct debug_unit *nunit; | |
620 | ||
621 | if (name == NULL) | |
622 | name = ""; | |
623 | ||
624 | nfile = (struct debug_file *) xmalloc (sizeof *nfile); | |
625 | memset (nfile, 0, sizeof *nfile); | |
626 | ||
627 | nfile->filename = name; | |
628 | ||
629 | nunit = (struct debug_unit *) xmalloc (sizeof *nunit); | |
630 | memset (nunit, 0, sizeof *nunit); | |
631 | ||
632 | nunit->files = nfile; | |
633 | info->current_file = nfile; | |
634 | ||
635 | if (info->current_unit != NULL) | |
636 | info->current_unit->next = nunit; | |
637 | else | |
638 | { | |
639 | assert (info->units == NULL); | |
640 | info->units = nunit; | |
641 | } | |
642 | ||
643 | info->current_unit = nunit; | |
644 | ||
645 | info->current_function = NULL; | |
646 | info->current_block = NULL; | |
647 | info->current_lineno = NULL; | |
648 | ||
649 | return true; | |
650 | } | |
651 | ||
652 | /* Append a string to the source filename. */ | |
653 | ||
654 | boolean | |
655 | debug_append_filename (handle, string) | |
656 | PTR handle; | |
657 | const char *string; | |
658 | { | |
659 | struct debug_handle *info = (struct debug_handle *) handle; | |
660 | char *n; | |
661 | ||
662 | if (string == NULL) | |
663 | string = ""; | |
664 | ||
665 | if (info->current_unit == NULL) | |
666 | { | |
667 | debug_error ("debug_append_filename: no current file"); | |
668 | return false; | |
669 | } | |
670 | ||
671 | n = (char *) xmalloc (strlen (info->current_unit->files->filename) | |
672 | + strlen (string) | |
673 | + 1); | |
674 | sprintf (n, "%s%s", info->current_unit->files->filename, string); | |
675 | info->current_unit->files->filename = n; | |
676 | ||
677 | return true; | |
678 | } | |
679 | ||
680 | /* Change source files to the given file name. This is used for | |
681 | include files in a single compilation unit. */ | |
682 | ||
683 | boolean | |
684 | debug_start_source (handle, name) | |
685 | PTR handle; | |
686 | const char *name; | |
687 | { | |
688 | struct debug_handle *info = (struct debug_handle *) handle; | |
689 | struct debug_file *f, **pf; | |
690 | ||
691 | if (name == NULL) | |
692 | name = ""; | |
693 | ||
694 | if (info->current_unit == NULL) | |
695 | { | |
696 | debug_error ("debug_start_source: no debug_set_filename call"); | |
697 | return false; | |
698 | } | |
699 | ||
700 | for (f = info->current_unit->files; f != NULL; f = f->next) | |
701 | { | |
702 | if (f->filename[0] == name[0] | |
703 | && f->filename[1] == name[1] | |
704 | && strcmp (f->filename, name) == 0) | |
705 | { | |
706 | info->current_file = f; | |
707 | return true; | |
708 | } | |
709 | } | |
710 | ||
711 | f = (struct debug_file *) xmalloc (sizeof *f); | |
712 | memset (f, 0, sizeof *f); | |
713 | ||
714 | f->filename = name; | |
715 | ||
716 | for (pf = &info->current_file->next; | |
717 | *pf != NULL; | |
718 | pf = &(*pf)->next) | |
719 | ; | |
720 | *pf = f; | |
721 | ||
722 | info->current_file = f; | |
723 | ||
724 | return true; | |
725 | } | |
726 | ||
727 | /* Record a function definition. This implicitly starts a function | |
728 | block. The debug_type argument is the type of the return value. | |
729 | The boolean indicates whether the function is globally visible. | |
730 | The bfd_vma is the address of the start of the function. Currently | |
731 | the parameter types are specified by calls to | |
732 | debug_record_parameter. FIXME: There is no way to specify nested | |
733 | functions. FIXME: I don't think there is any way to record where a | |
734 | function ends. */ | |
735 | ||
736 | boolean | |
737 | debug_record_function (handle, name, return_type, global, addr) | |
738 | PTR handle; | |
739 | const char *name; | |
740 | debug_type return_type; | |
741 | boolean global; | |
742 | bfd_vma addr; | |
743 | { | |
744 | struct debug_handle *info = (struct debug_handle *) handle; | |
745 | struct debug_function *f; | |
746 | struct debug_block *b; | |
747 | struct debug_name *n; | |
748 | ||
749 | if (name == NULL) | |
750 | name = ""; | |
751 | if (return_type == NULL) | |
752 | return false; | |
753 | ||
754 | if (info->current_unit == NULL) | |
755 | { | |
756 | debug_error ("debug_record_function: no debug_set_filename call"); | |
757 | return false; | |
758 | } | |
759 | ||
760 | f = (struct debug_function *) xmalloc (sizeof *f); | |
761 | memset (f, 0, sizeof *f); | |
762 | ||
763 | f->return_type = return_type; | |
764 | ||
765 | b = (struct debug_block *) xmalloc (sizeof *b); | |
766 | memset (b, 0, sizeof *b); | |
767 | ||
768 | b->start = addr; | |
769 | b->end = (bfd_vma) -1; | |
770 | ||
771 | f->blocks = b; | |
772 | ||
773 | info->current_function = f; | |
774 | info->current_block = b; | |
e1c14599 ILT |
775 | |
776 | /* FIXME: If we could handle nested functions, this would be the | |
777 | place: we would want to use a different namespace. */ | |
778 | n = debug_add_to_namespace (info, | |
779 | &info->current_file->globals, | |
780 | name, | |
781 | DEBUG_OBJECT_FUNCTION, | |
782 | (global | |
783 | ? DEBUG_LINKAGE_GLOBAL | |
784 | : DEBUG_LINKAGE_STATIC)); | |
785 | if (n == NULL) | |
786 | return false; | |
787 | ||
788 | n->u.function = f; | |
789 | ||
790 | return true; | |
791 | } | |
792 | ||
793 | /* Record a parameter for the current function. */ | |
794 | ||
795 | boolean | |
796 | debug_record_parameter (handle, name, type, kind, val) | |
797 | PTR handle; | |
798 | const char *name; | |
799 | debug_type type; | |
800 | enum debug_parm_kind kind; | |
801 | bfd_vma val; | |
802 | { | |
803 | struct debug_handle *info = (struct debug_handle *) handle; | |
804 | struct debug_parameter *p, **pp; | |
805 | ||
806 | if (name == NULL || type == NULL) | |
807 | return false; | |
808 | ||
809 | if (info->current_unit == NULL | |
810 | || info->current_function == NULL) | |
811 | { | |
812 | debug_error ("debug_record_parameter: no current function"); | |
813 | return false; | |
814 | } | |
815 | ||
816 | p = (struct debug_parameter *) xmalloc (sizeof *p); | |
817 | memset (p, 0, sizeof *p); | |
818 | ||
819 | p->name = name; | |
820 | p->type = type; | |
821 | p->kind = kind; | |
822 | p->val = val; | |
823 | ||
824 | for (pp = &info->current_function->parameters; | |
825 | *pp != NULL; | |
826 | pp = &(*pp)->next) | |
827 | ; | |
828 | *pp = p; | |
829 | ||
830 | return true; | |
831 | } | |
832 | ||
833 | /* End a function. FIXME: This should handle function nesting. */ | |
834 | ||
835 | boolean | |
836 | debug_end_function (handle, addr) | |
837 | PTR handle; | |
838 | bfd_vma addr; | |
839 | { | |
840 | struct debug_handle *info = (struct debug_handle *) handle; | |
841 | ||
842 | if (info->current_unit == NULL | |
843 | || info->current_block == NULL | |
844 | || info->current_function == NULL) | |
845 | { | |
846 | debug_error ("debug_end_function: no current function"); | |
847 | return false; | |
848 | } | |
849 | ||
850 | if (info->current_block->parent != NULL) | |
851 | { | |
852 | debug_error ("debug_end_function: some blocks were not closed"); | |
853 | return false; | |
854 | } | |
855 | ||
856 | info->current_block->end = addr; | |
857 | ||
858 | info->current_function = NULL; | |
859 | info->current_block = NULL; | |
e1c14599 ILT |
860 | |
861 | return true; | |
862 | } | |
863 | ||
864 | /* Start a block in a function. All local information will be | |
865 | recorded in this block, until the matching call to debug_end_block. | |
866 | debug_start_block and debug_end_block may be nested. The bfd_vma | |
867 | argument is the address at which this block starts. */ | |
868 | ||
869 | boolean | |
870 | debug_start_block (handle, addr) | |
871 | PTR handle; | |
872 | bfd_vma addr; | |
873 | { | |
874 | struct debug_handle *info = (struct debug_handle *) handle; | |
875 | struct debug_block *b, **pb; | |
876 | ||
877 | /* We must always have a current block: debug_record_function sets | |
878 | one up. */ | |
879 | if (info->current_unit == NULL | |
880 | || info->current_block == NULL) | |
881 | { | |
882 | debug_error ("debug_start_block: no current block"); | |
883 | return false; | |
884 | } | |
885 | ||
886 | b = (struct debug_block *) xmalloc (sizeof *b); | |
887 | memset (b, 0, sizeof *b); | |
888 | ||
889 | b->parent = info->current_block; | |
890 | b->start = addr; | |
891 | b->end = (bfd_vma) -1; | |
892 | ||
893 | /* This new block is a child of the current block. */ | |
894 | for (pb = &info->current_block->children; | |
895 | *pb != NULL; | |
896 | pb = &(*pb)->next) | |
897 | ; | |
898 | *pb = b; | |
899 | ||
900 | info->current_block = b; | |
e1c14599 ILT |
901 | |
902 | return true; | |
903 | } | |
904 | ||
905 | /* Finish a block in a function. This matches the call to | |
906 | debug_start_block. The argument is the address at which this block | |
907 | ends. */ | |
908 | ||
909 | boolean | |
910 | debug_end_block (handle, addr) | |
911 | PTR handle; | |
912 | bfd_vma addr; | |
913 | { | |
914 | struct debug_handle *info = (struct debug_handle *) handle; | |
915 | struct debug_block *parent; | |
916 | ||
917 | if (info->current_unit == NULL | |
918 | || info->current_block == NULL) | |
919 | { | |
920 | debug_error ("debug_end_block: no current block"); | |
921 | return false; | |
922 | } | |
923 | ||
924 | parent = info->current_block->parent; | |
925 | if (parent == NULL) | |
926 | { | |
927 | debug_error ("debug_end_block: attempt to close top level block"); | |
928 | return false; | |
929 | } | |
930 | ||
931 | info->current_block->end = addr; | |
932 | ||
933 | info->current_block = parent; | |
e1c14599 ILT |
934 | |
935 | return true; | |
936 | } | |
937 | ||
938 | /* Associate a line number in the current source file and function | |
939 | with a given address. */ | |
940 | ||
941 | boolean | |
942 | debug_record_line (handle, lineno, addr) | |
943 | PTR handle; | |
944 | unsigned long lineno; | |
945 | bfd_vma addr; | |
946 | { | |
947 | struct debug_handle *info = (struct debug_handle *) handle; | |
948 | struct debug_lineno *l; | |
949 | unsigned int i; | |
950 | ||
63840d26 | 951 | if (info->current_unit == NULL) |
e1c14599 | 952 | { |
63840d26 | 953 | debug_error ("debug_record_line: no current unit"); |
e1c14599 ILT |
954 | return false; |
955 | } | |
956 | ||
957 | l = info->current_lineno; | |
958 | if (l != NULL && l->file == info->current_file) | |
959 | { | |
960 | for (i = 0; i < DEBUG_LINENO_COUNT; i++) | |
961 | { | |
962 | if (l->linenos[i] == (unsigned long) -1) | |
963 | { | |
964 | l->linenos[i] = lineno; | |
965 | l->addrs[i] = addr; | |
966 | return true; | |
967 | } | |
968 | } | |
969 | } | |
970 | ||
971 | /* If we get here, then either 1) there is no current_lineno | |
63840d26 ILT |
972 | structure, which means this is the first line number in this |
973 | compilation unit, 2) the current_lineno structure is for a | |
974 | different file, or 3) the current_lineno structure is full. | |
975 | Regardless, we want to allocate a new debug_lineno structure, put | |
976 | it in the right place, and make it the new current_lineno | |
977 | structure. */ | |
e1c14599 ILT |
978 | |
979 | l = (struct debug_lineno *) xmalloc (sizeof *l); | |
980 | memset (l, 0, sizeof *l); | |
981 | ||
982 | l->file = info->current_file; | |
983 | l->linenos[0] = lineno; | |
984 | l->addrs[0] = addr; | |
985 | for (i = 1; i < DEBUG_LINENO_COUNT; i++) | |
986 | l->linenos[i] = (unsigned long) -1; | |
987 | ||
988 | if (info->current_lineno != NULL) | |
989 | info->current_lineno->next = l; | |
990 | else | |
63840d26 | 991 | info->current_unit->linenos = l; |
e1c14599 ILT |
992 | |
993 | info->current_lineno = l; | |
994 | ||
995 | return true; | |
996 | } | |
997 | ||
998 | /* Start a named common block. This is a block of variables that may | |
999 | move in memory. */ | |
1000 | ||
1001 | boolean | |
1002 | debug_start_common_block (handle, name) | |
1003 | PTR handle; | |
1004 | const char *name; | |
1005 | { | |
1006 | /* FIXME */ | |
1007 | debug_error ("debug_start_common_block: not implemented"); | |
1008 | return false; | |
1009 | } | |
1010 | ||
1011 | /* End a named common block. */ | |
1012 | ||
1013 | boolean | |
1014 | debug_end_common_block (handle, name) | |
1015 | PTR handle; | |
1016 | const char *name; | |
1017 | { | |
1018 | /* FIXME */ | |
1019 | debug_error ("debug_end_common_block: not implemented"); | |
1020 | return false; | |
1021 | } | |
1022 | ||
1023 | /* Record a named integer constant. */ | |
1024 | ||
1025 | boolean | |
1026 | debug_record_int_const (handle, name, val) | |
1027 | PTR handle; | |
1028 | const char *name; | |
1029 | bfd_vma val; | |
1030 | { | |
1031 | struct debug_handle *info = (struct debug_handle *) handle; | |
1032 | struct debug_name *n; | |
1033 | ||
1034 | if (name == NULL) | |
1035 | return false; | |
1036 | ||
1037 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_INT_CONSTANT, | |
1038 | DEBUG_LINKAGE_NONE); | |
1039 | if (n == NULL) | |
1040 | return false; | |
1041 | ||
1042 | n->u.int_constant = val; | |
1043 | ||
1044 | return true; | |
1045 | } | |
1046 | ||
1047 | /* Record a named floating point constant. */ | |
1048 | ||
1049 | boolean | |
1050 | debug_record_float_const (handle, name, val) | |
1051 | PTR handle; | |
1052 | const char *name; | |
1053 | double val; | |
1054 | { | |
1055 | struct debug_handle *info = (struct debug_handle *) handle; | |
1056 | struct debug_name *n; | |
1057 | ||
1058 | if (name == NULL) | |
1059 | return false; | |
1060 | ||
1061 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_FLOAT_CONSTANT, | |
1062 | DEBUG_LINKAGE_NONE); | |
1063 | if (n == NULL) | |
1064 | return false; | |
1065 | ||
1066 | n->u.float_constant = val; | |
1067 | ||
1068 | return true; | |
1069 | } | |
1070 | ||
1071 | /* Record a typed constant with an integral value. */ | |
1072 | ||
1073 | boolean | |
1074 | debug_record_typed_const (handle, name, type, val) | |
1075 | PTR handle; | |
1076 | const char *name; | |
1077 | debug_type type; | |
1078 | bfd_vma val; | |
1079 | { | |
1080 | struct debug_handle *info = (struct debug_handle *) handle; | |
1081 | struct debug_name *n; | |
1082 | struct debug_typed_constant *tc; | |
1083 | ||
1084 | if (name == NULL || type == NULL) | |
1085 | return false; | |
1086 | ||
1087 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPED_CONSTANT, | |
1088 | DEBUG_LINKAGE_NONE); | |
1089 | if (n == NULL) | |
1090 | return false; | |
1091 | ||
1092 | tc = (struct debug_typed_constant *) xmalloc (sizeof *tc); | |
1093 | memset (tc, 0, sizeof *tc); | |
1094 | ||
1095 | tc->type = type; | |
1096 | tc->val = val; | |
1097 | ||
1098 | n->u.typed_constant = tc; | |
1099 | ||
1100 | return true; | |
1101 | } | |
1102 | ||
1103 | /* Record a label. */ | |
1104 | ||
1105 | boolean | |
1106 | debug_record_label (handle, name, type, addr) | |
1107 | PTR handle; | |
1108 | const char *name; | |
1109 | debug_type type; | |
1110 | bfd_vma addr; | |
1111 | { | |
1112 | /* FIXME. */ | |
1113 | debug_error ("debug_record_label not implemented"); | |
1114 | return false; | |
1115 | } | |
1116 | ||
1117 | /* Record a variable. */ | |
1118 | ||
1119 | boolean | |
1120 | debug_record_variable (handle, name, type, kind, val) | |
1121 | PTR handle; | |
1122 | const char *name; | |
1123 | debug_type type; | |
1124 | enum debug_var_kind kind; | |
1125 | bfd_vma val; | |
1126 | { | |
1127 | struct debug_handle *info = (struct debug_handle *) handle; | |
1128 | struct debug_namespace **nsp; | |
1129 | enum debug_object_linkage linkage; | |
1130 | struct debug_name *n; | |
1131 | struct debug_variable *v; | |
1132 | ||
1133 | if (name == NULL || type == NULL) | |
1134 | return false; | |
1135 | ||
1136 | if (info->current_unit == NULL | |
1137 | || info->current_file == NULL) | |
1138 | { | |
1139 | debug_error ("debug_record_variable: no current file"); | |
1140 | return false; | |
1141 | } | |
1142 | ||
1143 | if (kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
1144 | { | |
1145 | nsp = &info->current_file->globals; | |
1146 | if (kind == DEBUG_GLOBAL) | |
1147 | linkage = DEBUG_LINKAGE_GLOBAL; | |
1148 | else | |
1149 | linkage = DEBUG_LINKAGE_STATIC; | |
1150 | } | |
1151 | else | |
1152 | { | |
1153 | if (info->current_block == NULL) | |
1154 | { | |
1155 | debug_error ("debug_record_variable: no current block"); | |
1156 | return false; | |
1157 | } | |
1158 | nsp = &info->current_block->locals; | |
1159 | linkage = DEBUG_LINKAGE_AUTOMATIC; | |
1160 | } | |
1161 | ||
1162 | n = debug_add_to_namespace (info, nsp, name, DEBUG_OBJECT_VARIABLE, linkage); | |
1163 | if (n == NULL) | |
1164 | return false; | |
1165 | ||
1166 | v = (struct debug_variable *) xmalloc (sizeof *v); | |
1167 | memset (v, 0, sizeof *v); | |
1168 | ||
1169 | v->kind = kind; | |
1170 | v->type = type; | |
1171 | v->val = val; | |
1172 | ||
1173 | n->u.variable = v; | |
1174 | ||
1175 | return true; | |
1176 | } | |
1177 | ||
1178 | /* Make a type with a given kind and size. */ | |
1179 | ||
1180 | /*ARGSUSED*/ | |
1181 | static struct debug_type * | |
1182 | debug_make_type (info, kind, size) | |
1183 | struct debug_handle *info; | |
1184 | enum debug_type_kind kind; | |
1185 | unsigned int size; | |
1186 | { | |
1187 | struct debug_type *t; | |
1188 | ||
1189 | t = (struct debug_type *) xmalloc (sizeof *t); | |
1190 | memset (t, 0, sizeof *t); | |
1191 | ||
1192 | t->kind = kind; | |
1193 | t->size = size; | |
1194 | ||
1195 | return t; | |
1196 | } | |
1197 | ||
1198 | /* Make an indirect type which may be used as a placeholder for a type | |
1199 | which is referenced before it is defined. */ | |
1200 | ||
1201 | debug_type | |
1202 | debug_make_indirect_type (handle, slot, tag) | |
1203 | PTR handle; | |
1204 | debug_type *slot; | |
1205 | const char *tag; | |
1206 | { | |
1207 | struct debug_handle *info = (struct debug_handle *) handle; | |
1208 | struct debug_type *t; | |
1209 | struct debug_indirect_type *i; | |
1210 | ||
1211 | t = debug_make_type (info, DEBUG_KIND_INDIRECT, 0); | |
1212 | if (t == NULL) | |
1213 | return DEBUG_TYPE_NULL; | |
1214 | ||
1215 | i = (struct debug_indirect_type *) xmalloc (sizeof *i); | |
1216 | memset (i, 0, sizeof *i); | |
1217 | ||
1218 | i->slot = slot; | |
1219 | i->tag = tag; | |
1220 | ||
1221 | t->u.kindirect = i; | |
1222 | ||
1223 | return t; | |
1224 | } | |
1225 | ||
1226 | /* Make a void type. There is only one of these. */ | |
1227 | ||
1228 | debug_type | |
1229 | debug_make_void_type (handle) | |
1230 | PTR handle; | |
1231 | { | |
1232 | struct debug_handle *info = (struct debug_handle *) handle; | |
1233 | ||
1234 | return debug_make_type (info, DEBUG_KIND_VOID, 0); | |
1235 | } | |
1236 | ||
1237 | /* Make an integer type of a given size. The boolean argument is true | |
1238 | if the integer is unsigned. */ | |
1239 | ||
1240 | debug_type | |
1241 | debug_make_int_type (handle, size, unsignedp) | |
1242 | PTR handle; | |
1243 | unsigned int size; | |
1244 | boolean unsignedp; | |
1245 | { | |
1246 | struct debug_handle *info = (struct debug_handle *) handle; | |
1247 | struct debug_type *t; | |
1248 | ||
1249 | t = debug_make_type (info, DEBUG_KIND_INT, size); | |
1250 | if (t == NULL) | |
1251 | return DEBUG_TYPE_NULL; | |
1252 | ||
1253 | t->u.kint = unsignedp; | |
1254 | ||
1255 | return t; | |
1256 | } | |
1257 | ||
1258 | /* Make a floating point type of a given size. FIXME: On some | |
1259 | platforms, like an Alpha, you probably need to be able to specify | |
1260 | the format. */ | |
1261 | ||
1262 | debug_type | |
1263 | debug_make_float_type (handle, size) | |
1264 | PTR handle; | |
1265 | unsigned int size; | |
1266 | { | |
1267 | struct debug_handle *info = (struct debug_handle *) handle; | |
1268 | ||
1269 | return debug_make_type (info, DEBUG_KIND_FLOAT, size); | |
1270 | } | |
1271 | ||
1272 | /* Make a boolean type of a given size. */ | |
1273 | ||
1274 | debug_type | |
1275 | debug_make_bool_type (handle, size) | |
1276 | PTR handle; | |
1277 | unsigned int size; | |
1278 | { | |
1279 | struct debug_handle *info = (struct debug_handle *) handle; | |
1280 | ||
1281 | return debug_make_type (info, DEBUG_KIND_BOOL, size); | |
1282 | } | |
1283 | ||
1284 | /* Make a complex type of a given size. */ | |
1285 | ||
1286 | debug_type | |
1287 | debug_make_complex_type (handle, size) | |
1288 | PTR handle; | |
1289 | unsigned int size; | |
1290 | { | |
1291 | struct debug_handle *info = (struct debug_handle *) handle; | |
1292 | ||
1293 | return debug_make_type (info, DEBUG_KIND_COMPLEX, size); | |
1294 | } | |
1295 | ||
1296 | /* Make a structure type. The second argument is true for a struct, | |
1297 | false for a union. The third argument is the size of the struct. | |
1298 | The fourth argument is a NULL terminated array of fields. */ | |
1299 | ||
1300 | debug_type | |
1301 | debug_make_struct_type (handle, structp, size, fields) | |
1302 | PTR handle; | |
1303 | boolean structp; | |
1304 | bfd_vma size; | |
1305 | debug_field *fields; | |
1306 | { | |
1307 | struct debug_handle *info = (struct debug_handle *) handle; | |
1308 | struct debug_type *t; | |
1309 | struct debug_class_type *c; | |
1310 | ||
1311 | t = debug_make_type (info, | |
1312 | structp ? DEBUG_KIND_STRUCT : DEBUG_KIND_UNION, | |
1313 | size); | |
1314 | if (t == NULL) | |
1315 | return DEBUG_TYPE_NULL; | |
1316 | ||
1317 | c = (struct debug_class_type *) xmalloc (sizeof *c); | |
1318 | memset (c, 0, sizeof *c); | |
1319 | ||
1320 | c->fields = fields; | |
1321 | ||
1322 | t->u.kclass = c; | |
1323 | ||
1324 | return t; | |
1325 | } | |
1326 | ||
1327 | /* Make an object type. The first three arguments after the handle | |
1328 | are the same as for debug_make_struct_type. The next arguments are | |
1329 | a NULL terminated array of base classes, a NULL terminated array of | |
1330 | methods, the type of the object holding the virtual function table | |
1331 | if it is not this object, and a boolean which is true if this | |
1332 | object has its own virtual function table. */ | |
1333 | ||
1334 | debug_type | |
1335 | debug_make_object_type (handle, structp, size, fields, baseclasses, | |
1336 | methods, vptrbase, ownvptr) | |
1337 | PTR handle; | |
1338 | boolean structp; | |
1339 | bfd_vma size; | |
1340 | debug_field *fields; | |
1341 | debug_baseclass *baseclasses; | |
1342 | debug_method *methods; | |
1343 | debug_type vptrbase; | |
1344 | boolean ownvptr; | |
1345 | { | |
1346 | struct debug_handle *info = (struct debug_handle *) handle; | |
1347 | struct debug_type *t; | |
1348 | struct debug_class_type *c; | |
1349 | ||
1350 | t = debug_make_type (info, | |
1351 | structp ? DEBUG_KIND_CLASS : DEBUG_KIND_UNION_CLASS, | |
1352 | size); | |
1353 | if (t == NULL) | |
1354 | return DEBUG_TYPE_NULL; | |
1355 | ||
1356 | c = (struct debug_class_type *) xmalloc (sizeof *c); | |
1357 | memset (c, 0, sizeof *c); | |
1358 | ||
1359 | c->fields = fields; | |
1360 | c->baseclasses = baseclasses; | |
1361 | c->methods = methods; | |
1362 | if (ownvptr) | |
1363 | c->vptrbase = t; | |
1364 | else | |
1365 | c->vptrbase = vptrbase; | |
1366 | ||
1367 | t->u.kclass = c; | |
1368 | ||
1369 | return t; | |
1370 | } | |
1371 | ||
1372 | /* Make an enumeration type. The arguments are a null terminated | |
1373 | array of strings, and an array of corresponding values. */ | |
1374 | ||
1375 | debug_type | |
1376 | debug_make_enum_type (handle, names, values) | |
1377 | PTR handle; | |
1378 | const char **names; | |
1379 | bfd_signed_vma *values; | |
1380 | { | |
1381 | struct debug_handle *info = (struct debug_handle *) handle; | |
1382 | struct debug_type *t; | |
1383 | struct debug_enum_type *e; | |
1384 | ||
1385 | t = debug_make_type (info, DEBUG_KIND_ENUM, 0); | |
1386 | if (t == NULL) | |
1387 | return DEBUG_TYPE_NULL; | |
1388 | ||
1389 | e = (struct debug_enum_type *) xmalloc (sizeof *e); | |
1390 | memset (e, 0, sizeof *e); | |
1391 | ||
1392 | e->names = names; | |
1393 | e->values = values; | |
1394 | ||
1395 | t->u.kenum = e; | |
1396 | ||
1397 | return t; | |
1398 | } | |
1399 | ||
1400 | /* Make a pointer to a given type. */ | |
1401 | ||
1402 | debug_type | |
1403 | debug_make_pointer_type (handle, type) | |
1404 | PTR handle; | |
1405 | debug_type type; | |
1406 | { | |
1407 | struct debug_handle *info = (struct debug_handle *) handle; | |
1408 | struct debug_type *t; | |
1409 | ||
1410 | if (type == NULL) | |
1411 | return DEBUG_TYPE_NULL; | |
1412 | ||
1413 | if (type->pointer != DEBUG_TYPE_NULL) | |
1414 | return type->pointer; | |
1415 | ||
1416 | t = debug_make_type (info, DEBUG_KIND_POINTER, 0); | |
1417 | if (t == NULL) | |
1418 | return DEBUG_TYPE_NULL; | |
1419 | ||
1420 | t->u.kpointer = type; | |
1421 | ||
1422 | type->pointer = t; | |
1423 | ||
1424 | return t; | |
1425 | } | |
1426 | ||
1427 | /* Make a function returning a given type. FIXME: We should be able | |
1428 | to record the parameter types. */ | |
1429 | ||
1430 | debug_type | |
1431 | debug_make_function_type (handle, type) | |
1432 | PTR handle; | |
1433 | debug_type type; | |
1434 | { | |
1435 | struct debug_handle *info = (struct debug_handle *) handle; | |
1436 | struct debug_type *t; | |
1437 | struct debug_function_type *f; | |
1438 | ||
1439 | if (type == NULL) | |
1440 | return DEBUG_TYPE_NULL; | |
1441 | ||
1442 | t = debug_make_type (info, DEBUG_KIND_FUNCTION, 0); | |
1443 | if (t == NULL) | |
1444 | return DEBUG_TYPE_NULL; | |
1445 | ||
1446 | f = (struct debug_function_type *) xmalloc (sizeof *f); | |
1447 | memset (f, 0, sizeof *f); | |
1448 | ||
1449 | f->return_type = type; | |
1450 | ||
1451 | t->u.kfunction = f; | |
1452 | ||
1453 | return t; | |
1454 | } | |
1455 | ||
1456 | /* Make a reference to a given type. */ | |
1457 | ||
1458 | debug_type | |
1459 | debug_make_reference_type (handle, type) | |
1460 | PTR handle; | |
1461 | debug_type type; | |
1462 | { | |
1463 | struct debug_handle *info = (struct debug_handle *) handle; | |
1464 | struct debug_type *t; | |
1465 | ||
1466 | if (type == NULL) | |
1467 | return DEBUG_TYPE_NULL; | |
1468 | ||
1469 | t = debug_make_type (info, DEBUG_KIND_REFERENCE, 0); | |
1470 | if (t == NULL) | |
1471 | return DEBUG_TYPE_NULL; | |
1472 | ||
1473 | t->u.kreference = type; | |
1474 | ||
1475 | return t; | |
1476 | } | |
1477 | ||
1478 | /* Make a range of a given type from a lower to an upper bound. */ | |
1479 | ||
1480 | debug_type | |
1481 | debug_make_range_type (handle, type, lower, upper) | |
1482 | PTR handle; | |
1483 | debug_type type; | |
1484 | bfd_signed_vma lower; | |
1485 | bfd_signed_vma upper; | |
1486 | { | |
1487 | struct debug_handle *info = (struct debug_handle *) handle; | |
1488 | struct debug_type *t; | |
1489 | struct debug_range_type *r; | |
1490 | ||
1491 | if (type == NULL) | |
1492 | return DEBUG_TYPE_NULL; | |
1493 | ||
1494 | t = debug_make_type (info, DEBUG_KIND_RANGE, 0); | |
1495 | if (t == NULL) | |
1496 | return DEBUG_TYPE_NULL; | |
1497 | ||
1498 | r = (struct debug_range_type *) xmalloc (sizeof *r); | |
1499 | memset (r, 0, sizeof *r); | |
1500 | ||
1501 | r->type = type; | |
1502 | r->lower = lower; | |
1503 | r->upper = upper; | |
1504 | ||
1505 | t->u.krange = r; | |
1506 | ||
1507 | return t; | |
1508 | } | |
1509 | ||
1510 | /* Make an array type. The second argument is the type of an element | |
1511 | of the array. The third argument is the type of a range of the | |
1512 | array. The fourth and fifth argument are the lower and upper | |
1513 | bounds, respectively. The sixth argument is true if this array is | |
1514 | actually a string, as in C. */ | |
1515 | ||
1516 | debug_type | |
1517 | debug_make_array_type (handle, element_type, range_type, lower, upper, | |
1518 | stringp) | |
1519 | PTR handle; | |
1520 | debug_type element_type; | |
1521 | debug_type range_type; | |
1522 | bfd_signed_vma lower; | |
1523 | bfd_signed_vma upper; | |
1524 | boolean stringp; | |
1525 | { | |
1526 | struct debug_handle *info = (struct debug_handle *) handle; | |
1527 | struct debug_type *t; | |
1528 | struct debug_array_type *a; | |
1529 | ||
1530 | if (element_type == NULL || range_type == NULL) | |
1531 | return DEBUG_TYPE_NULL; | |
1532 | ||
1533 | t = debug_make_type (info, DEBUG_KIND_ARRAY, 0); | |
1534 | if (t == NULL) | |
1535 | return DEBUG_TYPE_NULL; | |
1536 | ||
1537 | a = (struct debug_array_type *) xmalloc (sizeof *a); | |
1538 | memset (a, 0, sizeof *a); | |
1539 | ||
1540 | a->element_type = element_type; | |
1541 | a->range_type = range_type; | |
1542 | a->lower = lower; | |
1543 | a->upper = upper; | |
1544 | a->stringp = stringp; | |
1545 | ||
1546 | t->u.karray = a; | |
1547 | ||
1548 | return t; | |
1549 | } | |
1550 | ||
1551 | /* Make a set of a given type. For example, a Pascal set type. The | |
1552 | boolean argument is true if this set is actually a bitstring, as in | |
1553 | CHILL. */ | |
1554 | ||
1555 | debug_type | |
1556 | debug_make_set_type (handle, type, bitstringp) | |
1557 | PTR handle; | |
1558 | debug_type type; | |
1559 | boolean bitstringp; | |
1560 | { | |
1561 | struct debug_handle *info = (struct debug_handle *) handle; | |
1562 | struct debug_type *t; | |
1563 | struct debug_set_type *s; | |
1564 | ||
1565 | if (type == NULL) | |
1566 | return DEBUG_TYPE_NULL; | |
1567 | ||
1568 | t = debug_make_type (info, DEBUG_KIND_SET, 0); | |
1569 | if (t == NULL) | |
1570 | return DEBUG_TYPE_NULL; | |
1571 | ||
1572 | s = (struct debug_set_type *) xmalloc (sizeof *s); | |
1573 | memset (s, 0, sizeof *s); | |
1574 | ||
1575 | s->type = type; | |
1576 | s->bitstringp = bitstringp; | |
1577 | ||
1578 | t->u.kset = s; | |
1579 | ||
1580 | return t; | |
1581 | } | |
1582 | ||
1583 | /* Make a type for a pointer which is relative to an object. The | |
1584 | second argument is the type of the object to which the pointer is | |
1585 | relative. The third argument is the type that the pointer points | |
1586 | to. */ | |
1587 | ||
1588 | debug_type | |
1589 | debug_make_offset_type (handle, base_type, target_type) | |
1590 | PTR handle; | |
1591 | debug_type base_type; | |
1592 | debug_type target_type; | |
1593 | { | |
1594 | struct debug_handle *info = (struct debug_handle *) handle; | |
1595 | struct debug_type *t; | |
1596 | struct debug_offset_type *o; | |
1597 | ||
1598 | if (base_type == NULL || target_type == NULL) | |
1599 | return DEBUG_TYPE_NULL; | |
1600 | ||
1601 | t = debug_make_type (info, DEBUG_KIND_OFFSET, 0); | |
1602 | if (t == NULL) | |
1603 | return DEBUG_TYPE_NULL; | |
1604 | ||
1605 | o = (struct debug_offset_type *) xmalloc (sizeof *o); | |
1606 | memset (o, 0, sizeof *o); | |
1607 | ||
1608 | o->base_type = base_type; | |
1609 | o->target_type = target_type; | |
1610 | ||
1611 | t->u.koffset = o; | |
1612 | ||
1613 | return t; | |
1614 | } | |
1615 | ||
1616 | /* Make a type for a method function. The second argument is the | |
1617 | return type, the third argument is the domain, and the fourth | |
1618 | argument is a NULL terminated array of argument types. */ | |
1619 | ||
1620 | debug_type | |
1621 | debug_make_method_type (handle, return_type, domain_type, arg_types) | |
1622 | PTR handle; | |
1623 | debug_type return_type; | |
1624 | debug_type domain_type; | |
1625 | debug_type *arg_types; | |
1626 | { | |
1627 | struct debug_handle *info = (struct debug_handle *) handle; | |
1628 | struct debug_type *t; | |
1629 | struct debug_method_type *m; | |
1630 | ||
1631 | if (return_type == NULL) | |
1632 | return DEBUG_TYPE_NULL; | |
1633 | ||
1634 | t = debug_make_type (info, DEBUG_KIND_METHOD, 0); | |
1635 | if (t == NULL) | |
1636 | return DEBUG_TYPE_NULL; | |
1637 | ||
1638 | m = (struct debug_method_type *) xmalloc (sizeof *m); | |
1639 | memset (m, 0, sizeof *m); | |
1640 | ||
1641 | m->return_type = return_type; | |
1642 | m->domain_type = domain_type; | |
1643 | m->arg_types = arg_types; | |
1644 | ||
1645 | t->u.kmethod = m; | |
1646 | ||
1647 | return t; | |
1648 | } | |
1649 | ||
1650 | /* Make a const qualified version of a given type. */ | |
1651 | ||
1652 | debug_type | |
1653 | debug_make_const_type (handle, type) | |
1654 | PTR handle; | |
1655 | debug_type type; | |
1656 | { | |
1657 | struct debug_handle *info = (struct debug_handle *) handle; | |
1658 | struct debug_type *t; | |
1659 | ||
1660 | if (type == NULL) | |
1661 | return DEBUG_TYPE_NULL; | |
1662 | ||
1663 | t = debug_make_type (info, DEBUG_KIND_CONST, 0); | |
1664 | if (t == NULL) | |
1665 | return DEBUG_TYPE_NULL; | |
1666 | ||
1667 | t->u.kconst = type; | |
1668 | ||
1669 | return t; | |
1670 | } | |
1671 | ||
1672 | /* Make a volatile qualified version of a given type. */ | |
1673 | ||
1674 | debug_type | |
1675 | debug_make_volatile_type (handle, type) | |
1676 | PTR handle; | |
1677 | debug_type type; | |
1678 | { | |
1679 | struct debug_handle *info = (struct debug_handle *) handle; | |
1680 | struct debug_type *t; | |
1681 | ||
1682 | if (type == NULL) | |
1683 | return DEBUG_TYPE_NULL; | |
1684 | ||
1685 | t = debug_make_type (info, DEBUG_KIND_VOLATILE, 0); | |
1686 | if (t == NULL) | |
1687 | return DEBUG_TYPE_NULL; | |
1688 | ||
1689 | t->u.kvolatile = type; | |
1690 | ||
1691 | return t; | |
1692 | } | |
1693 | ||
1694 | /* Make an undefined tagged type. For example, a struct which has | |
1695 | been mentioned, but not defined. */ | |
1696 | ||
1697 | debug_type | |
1698 | debug_make_undefined_tagged_type (handle, name, kind) | |
1699 | PTR handle; | |
1700 | const char *name; | |
1701 | enum debug_type_kind kind; | |
1702 | { | |
1703 | struct debug_handle *info = (struct debug_handle *) handle; | |
1704 | struct debug_type *t; | |
1705 | ||
1706 | if (name == NULL) | |
1707 | return DEBUG_TYPE_NULL; | |
1708 | ||
1709 | t = debug_make_type (info, kind, 0); | |
1710 | if (t == NULL) | |
1711 | return DEBUG_TYPE_NULL; | |
1712 | ||
1713 | return debug_tag_type (handle, name, t); | |
1714 | } | |
1715 | ||
1716 | /* Make a base class for an object. The second argument is the base | |
1717 | class type. The third argument is the bit position of this base | |
1718 | class in the object (always 0 unless doing multiple inheritance). | |
1719 | The fourth argument is whether this is a virtual class. The fifth | |
1720 | argument is the visibility of the base class. */ | |
1721 | ||
1722 | /*ARGSUSED*/ | |
1723 | debug_baseclass | |
1724 | debug_make_baseclass (handle, type, bitpos, virtual, visibility) | |
1725 | PTR handle; | |
1726 | debug_type type; | |
1727 | bfd_vma bitpos; | |
1728 | boolean virtual; | |
1729 | enum debug_visibility visibility; | |
1730 | { | |
1731 | struct debug_baseclass *b; | |
1732 | ||
1733 | b = (struct debug_baseclass *) xmalloc (sizeof *b); | |
1734 | memset (b, 0, sizeof *b); | |
1735 | ||
1736 | b->type = type; | |
1737 | b->bitpos = bitpos; | |
1738 | b->virtual = virtual; | |
1739 | b->visibility = visibility; | |
1740 | ||
1741 | return b; | |
1742 | } | |
1743 | ||
1744 | /* Make a field for a struct. The second argument is the name. The | |
1745 | third argument is the type of the field. The fourth argument is | |
1746 | the bit position of the field. The fifth argument is the size of | |
1747 | the field (it may be zero). The sixth argument is the visibility | |
1748 | of the field. */ | |
1749 | ||
1750 | /*ARGSUSED*/ | |
1751 | debug_field | |
1752 | debug_make_field (handle, name, type, bitpos, bitsize, visibility) | |
1753 | PTR handle; | |
1754 | const char *name; | |
1755 | debug_type type; | |
1756 | bfd_vma bitpos; | |
1757 | bfd_vma bitsize; | |
1758 | enum debug_visibility visibility; | |
1759 | { | |
1760 | struct debug_field *f; | |
1761 | ||
1762 | f = (struct debug_field *) xmalloc (sizeof *f); | |
1763 | memset (f, 0, sizeof *f); | |
1764 | ||
1765 | f->name = name; | |
1766 | f->type = type; | |
1767 | f->static_member = false; | |
1768 | f->u.f.bitpos = bitpos; | |
1769 | f->u.f.bitsize = bitsize; | |
1770 | f->visibility = visibility; | |
1771 | ||
1772 | return f; | |
1773 | } | |
1774 | ||
1775 | /* Make a static member of an object. The second argument is the | |
1776 | name. The third argument is the type of the member. The fourth | |
1777 | argument is the physical name of the member (i.e., the name as a | |
1778 | global variable). The fifth argument is the visibility of the | |
1779 | member. */ | |
1780 | ||
1781 | /*ARGSUSED*/ | |
1782 | debug_field | |
1783 | debug_make_static_member (handle, name, type, physname, visibility) | |
1784 | PTR handle; | |
1785 | const char *name; | |
1786 | debug_type type; | |
1787 | const char *physname; | |
1788 | enum debug_visibility visibility; | |
1789 | { | |
1790 | struct debug_field *f; | |
1791 | ||
1792 | f = (struct debug_field *) xmalloc (sizeof *f); | |
1793 | memset (f, 0, sizeof *f); | |
1794 | ||
1795 | f->name = name; | |
1796 | f->type = type; | |
1797 | f->static_member = true; | |
1798 | f->u.s.physname = physname; | |
1799 | f->visibility = visibility; | |
1800 | ||
1801 | return f; | |
1802 | } | |
1803 | ||
1804 | /* Make a method. The second argument is the name, and the third | |
1805 | argument is a NULL terminated array of method variants. */ | |
1806 | ||
1807 | /*ARGSUSED*/ | |
1808 | debug_method | |
1809 | debug_make_method (handle, name, variants) | |
1810 | PTR handle; | |
1811 | const char *name; | |
1812 | debug_method_variant *variants; | |
1813 | { | |
1814 | struct debug_method *m; | |
1815 | ||
1816 | m = (struct debug_method *) xmalloc (sizeof *m); | |
1817 | memset (m, 0, sizeof *m); | |
1818 | ||
1819 | m->name = name; | |
1820 | m->variants = variants; | |
1821 | ||
1822 | return m; | |
1823 | } | |
1824 | ||
1825 | /* Make a method argument. The second argument is the real name of | |
1826 | the function. The third argument is the type of the function. The | |
1827 | fourth argument is the visibility. The fifth argument is whether | |
1828 | this is a const function. The sixth argument is whether this is a | |
1829 | volatile function. The seventh argument is the offset in the | |
1830 | virtual function table, if any. The eighth argument is the virtual | |
1831 | function context. FIXME: Are the const and volatile arguments | |
1832 | necessary? Could we just use debug_make_const_type? */ | |
1833 | ||
1834 | /*ARGSUSED*/ | |
1835 | debug_method_variant | |
1836 | debug_make_method_variant (handle, argtypes, type, visibility, constp, | |
1837 | volatilep, voffset, context) | |
1838 | PTR handle; | |
1839 | const char *argtypes; | |
1840 | debug_type type; | |
1841 | enum debug_visibility visibility; | |
1842 | boolean constp; | |
1843 | boolean volatilep; | |
1844 | bfd_vma voffset; | |
1845 | debug_type context; | |
1846 | { | |
1847 | struct debug_method_variant *m; | |
1848 | ||
1849 | m = (struct debug_method_variant *) xmalloc (sizeof *m); | |
1850 | memset (m, 0, sizeof *m); | |
1851 | ||
1852 | m->argtypes = argtypes; | |
1853 | m->type = type; | |
1854 | m->visibility = visibility; | |
1855 | m->constp = constp; | |
1856 | m->volatilep = volatilep; | |
1857 | m->voffset = voffset; | |
1858 | m->context = context; | |
1859 | ||
1860 | return m; | |
1861 | } | |
1862 | ||
1863 | /* Make a static method argument. The arguments are the same as for | |
1864 | debug_make_method_variant, except that the last two are omitted | |
1865 | since a static method can not also be virtual. */ | |
1866 | ||
1867 | debug_method_variant | |
1868 | debug_make_static_method_variant (handle, argtypes, type, visibility, | |
1869 | constp, volatilep) | |
1870 | PTR handle; | |
1871 | const char *argtypes; | |
1872 | debug_type type; | |
1873 | enum debug_visibility visibility; | |
1874 | boolean constp; | |
1875 | boolean volatilep; | |
1876 | { | |
1877 | struct debug_method_variant *m; | |
1878 | ||
1879 | m = (struct debug_method_variant *) xmalloc (sizeof *m); | |
1880 | memset (m, 0, sizeof *m); | |
1881 | ||
1882 | m->argtypes = argtypes; | |
1883 | m->type = type; | |
1884 | m->visibility = visibility; | |
1885 | m->constp = constp; | |
1886 | m->volatilep = volatilep; | |
1887 | m->voffset = VOFFSET_STATIC_METHOD; | |
1888 | ||
1889 | return m; | |
1890 | } | |
1891 | ||
1892 | /* Name a type. */ | |
1893 | ||
1894 | debug_type | |
1895 | debug_name_type (handle, name, type) | |
1896 | PTR handle; | |
1897 | const char *name; | |
1898 | debug_type type; | |
1899 | { | |
1900 | struct debug_handle *info = (struct debug_handle *) handle; | |
1901 | struct debug_type *t; | |
1902 | struct debug_named_type *n; | |
1903 | struct debug_name *nm; | |
1904 | ||
1905 | if (name == NULL || type == NULL) | |
1906 | return DEBUG_TYPE_NULL; | |
1907 | ||
1908 | t = debug_make_type (info, DEBUG_KIND_NAMED, 0); | |
1909 | if (t == NULL) | |
1910 | return DEBUG_TYPE_NULL; | |
1911 | ||
1912 | n = (struct debug_named_type *) xmalloc (sizeof *n); | |
1913 | memset (n, 0, sizeof *n); | |
1914 | ||
1915 | n->type = type; | |
1916 | ||
1917 | t->u.knamed = n; | |
1918 | ||
1919 | /* We also need to add the name to the current namespace. */ | |
1920 | ||
1921 | nm = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPE, | |
1922 | DEBUG_LINKAGE_NONE); | |
1923 | if (nm == NULL) | |
1924 | return false; | |
1925 | ||
1926 | nm->u.type = t; | |
1927 | ||
1928 | n->name = nm; | |
1929 | ||
1930 | return t; | |
1931 | } | |
1932 | ||
1933 | /* Tag a type. */ | |
1934 | ||
1935 | debug_type | |
1936 | debug_tag_type (handle, name, type) | |
1937 | PTR handle; | |
1938 | const char *name; | |
1939 | debug_type type; | |
1940 | { | |
1941 | struct debug_handle *info = (struct debug_handle *) handle; | |
1942 | struct debug_type *t; | |
1943 | struct debug_named_type *n; | |
1944 | struct debug_name *nm; | |
1945 | ||
1946 | if (name == NULL || type == NULL) | |
1947 | return DEBUG_TYPE_NULL; | |
1948 | ||
1949 | if (info->current_file == NULL) | |
1950 | { | |
1951 | debug_error ("debug_tag_type: no current file"); | |
1952 | return DEBUG_TYPE_NULL; | |
1953 | } | |
1954 | ||
1955 | if (type->kind == DEBUG_KIND_TAGGED) | |
1956 | { | |
1957 | if (strcmp (type->u.knamed->name->name, name) == 0) | |
1958 | return type; | |
1959 | debug_error ("debug_tag_type: extra tag attempted"); | |
1960 | return DEBUG_TYPE_NULL; | |
1961 | } | |
1962 | ||
1963 | t = debug_make_type (info, DEBUG_KIND_TAGGED, 0); | |
1964 | if (t == NULL) | |
1965 | return DEBUG_TYPE_NULL; | |
1966 | ||
1967 | n = (struct debug_named_type *) xmalloc (sizeof *n); | |
1968 | memset (n, 0, sizeof *n); | |
1969 | ||
1970 | n->type = type; | |
1971 | ||
1972 | t->u.knamed = n; | |
1973 | ||
1974 | /* We keep a global namespace of tags for each compilation unit. I | |
1975 | don't know if that is the right thing to do. */ | |
1976 | ||
1977 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, | |
1978 | DEBUG_OBJECT_TAG, DEBUG_LINKAGE_NONE); | |
1979 | if (nm == NULL) | |
1980 | return false; | |
1981 | ||
1982 | nm->u.tag = t; | |
1983 | ||
1984 | n->name = nm; | |
1985 | ||
1986 | return t; | |
1987 | } | |
1988 | ||
1989 | /* Record the size of a given type. */ | |
1990 | ||
1991 | /*ARGSUSED*/ | |
1992 | boolean | |
1993 | debug_record_type_size (handle, type, size) | |
1994 | PTR handle; | |
1995 | debug_type type; | |
1996 | unsigned int size; | |
1997 | { | |
1998 | if (type->size != 0 && type->size != size) | |
1999 | fprintf (stderr, "Warning: changing type size from %d to %d\n", | |
2000 | type->size, size); | |
2001 | ||
2002 | type->size = size; | |
2003 | ||
2004 | return true; | |
2005 | } | |
2006 | ||
2007 | /* Find a tagged type. */ | |
2008 | ||
2009 | debug_type | |
2010 | debug_find_tagged_type (handle, name, kind) | |
2011 | PTR handle; | |
2012 | const char *name; | |
2013 | enum debug_type_kind kind; | |
2014 | { | |
2015 | struct debug_handle *info = (struct debug_handle *) handle; | |
2016 | struct debug_unit *u; | |
2017 | ||
2018 | /* We search the globals of all the compilation units. I don't know | |
2019 | if this is correct or not. It would be easy to change. */ | |
2020 | ||
2021 | for (u = info->units; u != NULL; u = u->next) | |
2022 | { | |
2023 | struct debug_file *f; | |
2024 | ||
2025 | for (f = u->files; f != NULL; f = f->next) | |
2026 | { | |
2027 | struct debug_name *n; | |
2028 | ||
2029 | if (f->globals != NULL) | |
2030 | { | |
2031 | for (n = f->globals->list; n != NULL; n = n->next) | |
2032 | { | |
2033 | if (n->kind == DEBUG_OBJECT_TAG | |
2034 | && (kind == DEBUG_KIND_VOID | |
2035 | || n->u.tag->kind == kind) | |
2036 | && n->name[0] == name[0] | |
2037 | && strcmp (n->name, name) == 0) | |
2038 | return n->u.tag; | |
2039 | } | |
2040 | } | |
2041 | } | |
2042 | } | |
2043 | ||
2044 | return DEBUG_TYPE_NULL; | |
2045 | } | |
2046 | ||
2047 | /* Get the name of a type. */ | |
2048 | ||
2049 | /*ARGSUSED*/ | |
2050 | const char * | |
2051 | debug_get_type_name (handle, type) | |
2052 | PTR handle; | |
2053 | debug_type type; | |
2054 | { | |
2055 | if (type->kind == DEBUG_KIND_INDIRECT) | |
2056 | { | |
2057 | if (*type->u.kindirect->slot != NULL) | |
2058 | return debug_get_type_name (handle, *type->u.kindirect->slot); | |
2059 | return type->u.kindirect->tag; | |
2060 | } | |
2061 | if (type->kind == DEBUG_KIND_NAMED | |
2062 | || type->kind == DEBUG_KIND_TAGGED) | |
2063 | return type->u.knamed->name->name; | |
2064 | return NULL; | |
2065 | } | |
2066 | \f | |
2067 | /* Write out the debugging information. This is given a handle to | |
2068 | debugging information, and a set of function pointers to call. */ | |
2069 | ||
2070 | boolean | |
2071 | debug_write (handle, fns, fhandle) | |
2072 | PTR handle; | |
2073 | const struct debug_write_fns *fns; | |
2074 | PTR fhandle; | |
2075 | { | |
2076 | struct debug_handle *info = (struct debug_handle *) handle; | |
2077 | struct debug_unit *u; | |
2078 | ||
2079 | /* We use a mark to tell whether we have already written out a | |
2080 | particular name. We use an integer, so that we don't have to | |
2081 | clear the mark fields if we happen to write out the same | |
2082 | information more than once. */ | |
2083 | ++info->mark; | |
2084 | ||
2085 | for (u = info->units; u != NULL; u = u->next) | |
2086 | { | |
2087 | struct debug_file *f; | |
2088 | boolean first_file; | |
63840d26 | 2089 | struct debug_lineno *l; |
e1c14599 ILT |
2090 | |
2091 | if (! (*fns->start_compilation_unit) (fhandle, u->files->filename)) | |
2092 | return false; | |
2093 | ||
2094 | first_file = true; | |
2095 | for (f = u->files; f != NULL; f = f->next) | |
2096 | { | |
2097 | struct debug_name *n; | |
2098 | ||
2099 | if (first_file) | |
2100 | first_file = false; | |
2101 | else | |
2102 | { | |
2103 | if (! (*fns->start_source) (fhandle, f->filename)) | |
2104 | return false; | |
2105 | } | |
2106 | ||
2107 | if (f->globals != NULL) | |
2108 | { | |
2109 | for (n = f->globals->list; n != NULL; n = n->next) | |
2110 | { | |
2111 | if (! debug_write_name (info, fns, fhandle, n)) | |
2112 | return false; | |
2113 | } | |
2114 | } | |
2115 | } | |
63840d26 ILT |
2116 | |
2117 | for (l = u->linenos; l != NULL; l = l->next) | |
2118 | { | |
2119 | unsigned int i; | |
2120 | ||
2121 | for (i = 0; i < DEBUG_LINENO_COUNT; i++) | |
2122 | { | |
2123 | if (l->linenos[i] == (unsigned long) -1) | |
2124 | break; | |
2125 | if (! (*fns->lineno) (fhandle, l->file->filename, l->linenos[i], | |
2126 | l->addrs[i])) | |
2127 | return false; | |
2128 | } | |
2129 | } | |
e1c14599 ILT |
2130 | } |
2131 | ||
2132 | return true; | |
2133 | } | |
2134 | ||
2135 | /* Write out an element in a namespace. */ | |
2136 | ||
2137 | static boolean | |
2138 | debug_write_name (info, fns, fhandle, n) | |
2139 | struct debug_handle *info; | |
2140 | const struct debug_write_fns *fns; | |
2141 | PTR fhandle; | |
2142 | struct debug_name *n; | |
2143 | { | |
2144 | /* The class_mark field is used to prevent recursively outputting a | |
2145 | struct or class. */ | |
2146 | ++info->class_mark; | |
2147 | ||
2148 | switch (n->kind) | |
2149 | { | |
2150 | case DEBUG_OBJECT_TYPE: | |
2151 | if (! debug_write_type (info, fns, fhandle, n->u.type, n) | |
2152 | || ! (*fns->typdef) (fhandle, n->name)) | |
2153 | return false; | |
2154 | return true; | |
2155 | case DEBUG_OBJECT_TAG: | |
2156 | if (! debug_write_type (info, fns, fhandle, n->u.tag, n)) | |
2157 | return false; | |
2158 | return (*fns->tag) (fhandle, n->name); | |
2159 | case DEBUG_OBJECT_VARIABLE: | |
2160 | if (! debug_write_type (info, fns, fhandle, n->u.variable->type, | |
2161 | (struct debug_name *) NULL)) | |
2162 | return false; | |
2163 | return (*fns->variable) (fhandle, n->name, n->u.variable->kind, | |
2164 | n->u.variable->val); | |
2165 | case DEBUG_OBJECT_FUNCTION: | |
2166 | return debug_write_function (info, fns, fhandle, n->name, | |
2167 | n->linkage, n->u.function); | |
2168 | case DEBUG_OBJECT_INT_CONSTANT: | |
2169 | return (*fns->int_constant) (fhandle, n->name, n->u.int_constant); | |
2170 | case DEBUG_OBJECT_FLOAT_CONSTANT: | |
2171 | return (*fns->float_constant) (fhandle, n->name, n->u.float_constant); | |
2172 | case DEBUG_OBJECT_TYPED_CONSTANT: | |
2173 | if (! debug_write_type (info, fns, fhandle, n->u.typed_constant->type, | |
2174 | (struct debug_name *) NULL)) | |
2175 | return false; | |
2176 | return (*fns->typed_constant) (fhandle, n->name, | |
2177 | n->u.typed_constant->val); | |
2178 | default: | |
2179 | abort (); | |
2180 | return false; | |
2181 | } | |
2182 | /*NOTREACHED*/ | |
2183 | } | |
2184 | ||
63840d26 ILT |
2185 | /* Write out a type. If the type is DEBUG_KIND_NAMED or |
2186 | DEBUG_KIND_TAGGED, then the name argument is the name for which we | |
2187 | are about to call typedef or tag. If the type is anything else, | |
2188 | then the name argument is a tag from a DEBUG_KIND_TAGGED type which | |
2189 | points to this one. */ | |
e1c14599 ILT |
2190 | |
2191 | static boolean | |
2192 | debug_write_type (info, fns, fhandle, type, name) | |
2193 | struct debug_handle *info; | |
2194 | const struct debug_write_fns *fns; | |
2195 | PTR fhandle; | |
2196 | struct debug_type *type; | |
2197 | struct debug_name *name; | |
2198 | { | |
2199 | unsigned int i; | |
63840d26 | 2200 | const char *tag; |
e1c14599 ILT |
2201 | |
2202 | /* If we have a name for this type, just output it. We only output | |
2203 | typedef names after they have been defined. We output type tags | |
2204 | whenever we are not actually defining them. */ | |
2205 | if ((type->kind == DEBUG_KIND_NAMED | |
2206 | || type->kind == DEBUG_KIND_TAGGED) | |
2207 | && (type->u.knamed->name->mark == info->mark | |
2208 | || (type->kind == DEBUG_KIND_TAGGED | |
2209 | && type->u.knamed->name != name))) | |
2210 | { | |
2211 | if (type->kind == DEBUG_KIND_NAMED) | |
2212 | return (*fns->typedef_type) (fhandle, type->u.knamed->name->name); | |
2213 | else | |
2214 | return (*fns->tag_type) (fhandle, type->u.knamed->name->name, | |
2215 | type->u.knamed->type->kind); | |
2216 | } | |
2217 | ||
2218 | /* Mark the name after we have already looked for a known name, so | |
2219 | that we don't just define a type in terms of itself. We need to | |
2220 | mark the name here so that a struct containing a pointer to | |
2221 | itself will work. */ | |
2222 | if (name != NULL) | |
2223 | name->mark = info->mark; | |
2224 | ||
63840d26 ILT |
2225 | tag = NULL; |
2226 | if (name != NULL | |
2227 | && type->kind != DEBUG_KIND_NAMED | |
2228 | && type->kind != DEBUG_KIND_TAGGED) | |
2229 | { | |
2230 | assert (name->kind == DEBUG_OBJECT_TAG); | |
2231 | tag = name->name; | |
2232 | } | |
2233 | ||
e1c14599 ILT |
2234 | switch (type->kind) |
2235 | { | |
2236 | case DEBUG_KIND_INDIRECT: | |
2237 | if (*type->u.kindirect->slot == DEBUG_TYPE_NULL) | |
2238 | return (*fns->empty_type) (fhandle); | |
2239 | return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, | |
2240 | (struct debug_name *) NULL); | |
2241 | case DEBUG_KIND_VOID: | |
2242 | return (*fns->void_type) (fhandle); | |
2243 | case DEBUG_KIND_INT: | |
2244 | return (*fns->int_type) (fhandle, type->size, type->u.kint); | |
2245 | case DEBUG_KIND_FLOAT: | |
2246 | return (*fns->float_type) (fhandle, type->size); | |
2247 | case DEBUG_KIND_COMPLEX: | |
2248 | return (*fns->complex_type) (fhandle, type->size); | |
2249 | case DEBUG_KIND_BOOL: | |
2250 | return (*fns->bool_type) (fhandle, type->size); | |
2251 | case DEBUG_KIND_STRUCT: | |
2252 | case DEBUG_KIND_UNION: | |
2253 | if (info->class_mark == type->u.kclass->mark) | |
2254 | { | |
2255 | /* We are currently outputting this struct. I don't know if | |
2256 | this can happen, but it can happen for a class. */ | |
2257 | return (*fns->tag_type) (fhandle, "?defining?", type->kind); | |
2258 | } | |
2259 | type->u.kclass->mark = info->class_mark; | |
2260 | ||
63840d26 | 2261 | if (! (*fns->start_struct_type) (fhandle, tag, |
e1c14599 ILT |
2262 | type->kind == DEBUG_KIND_STRUCT, |
2263 | type->size)) | |
2264 | return false; | |
2265 | if (type->u.kclass->fields != NULL) | |
2266 | { | |
2267 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) | |
2268 | { | |
2269 | struct debug_field *f; | |
2270 | ||
2271 | f = type->u.kclass->fields[i]; | |
2272 | if (! debug_write_type (info, fns, fhandle, f->type, | |
2273 | (struct debug_name *) NULL) | |
2274 | || ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, | |
2275 | f->u.f.bitsize, f->visibility)) | |
2276 | return false; | |
2277 | } | |
2278 | } | |
2279 | return (*fns->end_struct_type) (fhandle); | |
2280 | case DEBUG_KIND_CLASS: | |
2281 | case DEBUG_KIND_UNION_CLASS: | |
63840d26 | 2282 | return debug_write_class_type (info, fns, fhandle, type, tag); |
e1c14599 | 2283 | case DEBUG_KIND_ENUM: |
63840d26 | 2284 | return (*fns->enum_type) (fhandle, tag, type->u.kenum->names, |
e1c14599 ILT |
2285 | type->u.kenum->values); |
2286 | case DEBUG_KIND_POINTER: | |
2287 | if (! debug_write_type (info, fns, fhandle, type->u.kpointer, | |
2288 | (struct debug_name *) NULL)) | |
2289 | return false; | |
2290 | return (*fns->pointer_type) (fhandle); | |
2291 | case DEBUG_KIND_FUNCTION: | |
2292 | if (! debug_write_type (info, fns, fhandle, | |
2293 | type->u.kfunction->return_type, | |
2294 | (struct debug_name *) NULL)) | |
2295 | return false; | |
2296 | return (*fns->function_type) (fhandle); | |
2297 | case DEBUG_KIND_REFERENCE: | |
2298 | if (! debug_write_type (info, fns, fhandle, type->u.kreference, | |
2299 | (struct debug_name *) NULL)) | |
2300 | return false; | |
2301 | return (*fns->reference_type) (fhandle); | |
2302 | case DEBUG_KIND_RANGE: | |
2303 | if (! debug_write_type (info, fns, fhandle, type->u.krange->type, | |
2304 | (struct debug_name *) NULL)) | |
2305 | return false; | |
2306 | return (*fns->range_type) (fhandle, type->u.krange->lower, | |
2307 | type->u.krange->upper); | |
2308 | case DEBUG_KIND_ARRAY: | |
2309 | if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type, | |
2310 | (struct debug_name *) NULL) | |
2311 | || ! debug_write_type (info, fns, fhandle, | |
2312 | type->u.karray->range_type, | |
2313 | (struct debug_name *) NULL)) | |
2314 | return false; | |
2315 | return (*fns->array_type) (fhandle, type->u.karray->lower, | |
2316 | type->u.karray->upper, | |
2317 | type->u.karray->stringp); | |
2318 | case DEBUG_KIND_SET: | |
2319 | if (! debug_write_type (info, fns, fhandle, type->u.kset->type, | |
2320 | (struct debug_name *) NULL)) | |
2321 | return false; | |
2322 | return (*fns->set_type) (fhandle, type->u.kset->bitstringp); | |
2323 | case DEBUG_KIND_OFFSET: | |
2324 | if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type, | |
2325 | (struct debug_name *) NULL) | |
2326 | || ! debug_write_type (info, fns, fhandle, | |
2327 | type->u.koffset->target_type, | |
2328 | (struct debug_name *) NULL)) | |
2329 | return false; | |
2330 | return (*fns->offset_type) (fhandle); | |
2331 | case DEBUG_KIND_METHOD: | |
2332 | if (! debug_write_type (info, fns, fhandle, | |
2333 | type->u.kmethod->return_type, | |
2334 | (struct debug_name *) NULL)) | |
2335 | return false; | |
2336 | if (type->u.kmethod->arg_types == NULL) | |
2337 | i = -1; | |
2338 | else | |
2339 | { | |
2340 | for (i = 0; type->u.kmethod->arg_types[i] != NULL; i++) | |
2341 | { | |
2342 | if (! debug_write_type (info, fns, fhandle, | |
2343 | type->u.kmethod->arg_types[i], | |
2344 | (struct debug_name *) NULL)) | |
2345 | return false; | |
2346 | } | |
2347 | } | |
2348 | if (type->u.kmethod->domain_type != NULL) | |
2349 | { | |
2350 | if (! debug_write_type (info, fns, fhandle, | |
2351 | type->u.kmethod->domain_type, | |
2352 | (struct debug_name *) NULL)) | |
2353 | return false; | |
2354 | } | |
2355 | return (*fns->method_type) (fhandle, | |
2356 | type->u.kmethod->domain_type != NULL, | |
2357 | i); | |
2358 | case DEBUG_KIND_CONST: | |
2359 | if (! debug_write_type (info, fns, fhandle, type->u.kconst, | |
2360 | (struct debug_name *) NULL)) | |
2361 | return false; | |
2362 | return (*fns->const_type) (fhandle); | |
2363 | case DEBUG_KIND_VOLATILE: | |
2364 | if (! debug_write_type (info, fns, fhandle, type->u.kvolatile, | |
2365 | (struct debug_name *) NULL)) | |
2366 | return false; | |
2367 | return (*fns->volatile_type) (fhandle); | |
2368 | case DEBUG_KIND_NAMED: | |
e1c14599 ILT |
2369 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, |
2370 | (struct debug_name *) NULL); | |
63840d26 ILT |
2371 | case DEBUG_KIND_TAGGED: |
2372 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, | |
2373 | type->u.knamed->name); | |
e1c14599 ILT |
2374 | default: |
2375 | abort (); | |
2376 | return false; | |
2377 | } | |
2378 | } | |
2379 | ||
2380 | /* Write out a class type. */ | |
2381 | ||
2382 | static boolean | |
63840d26 | 2383 | debug_write_class_type (info, fns, fhandle, type, tag) |
e1c14599 ILT |
2384 | struct debug_handle *info; |
2385 | const struct debug_write_fns *fns; | |
2386 | PTR fhandle; | |
2387 | struct debug_type *type; | |
63840d26 | 2388 | const char *tag; |
e1c14599 ILT |
2389 | { |
2390 | unsigned int i; | |
2391 | ||
2392 | if (info->class_mark == type->u.kclass->mark) | |
2393 | { | |
2394 | /* We are currently outputting this class. This can happen when | |
2395 | there are methods for an anonymous class. */ | |
2396 | return (*fns->tag_type) (fhandle, "?defining?", type->kind); | |
2397 | } | |
2398 | type->u.kclass->mark = info->class_mark; | |
2399 | ||
2400 | if (type->u.kclass->vptrbase != NULL | |
2401 | && type->u.kclass->vptrbase != type) | |
2402 | { | |
2403 | if (! debug_write_type (info, fns, fhandle, type->u.kclass->vptrbase, | |
2404 | (struct debug_name *) NULL)) | |
2405 | return false; | |
2406 | } | |
2407 | ||
63840d26 | 2408 | if (! (*fns->start_class_type) (fhandle, tag, |
e1c14599 ILT |
2409 | type->kind == DEBUG_KIND_CLASS, |
2410 | type->size, | |
2411 | type->u.kclass->vptrbase != NULL, | |
2412 | type->u.kclass->vptrbase == type)) | |
2413 | return false; | |
2414 | if (type->u.kclass->fields != NULL) | |
2415 | { | |
2416 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) | |
2417 | { | |
2418 | struct debug_field *f; | |
2419 | ||
2420 | f = type->u.kclass->fields[i]; | |
2421 | if (! debug_write_type (info, fns, fhandle, f->type, | |
2422 | (struct debug_name *) NULL)) | |
2423 | return false; | |
2424 | if (f->static_member) | |
2425 | { | |
2426 | if (! (*fns->class_static_member) (fhandle, f->name, | |
2427 | f->u.s.physname, | |
2428 | f->visibility)) | |
2429 | return false; | |
2430 | } | |
2431 | else | |
2432 | { | |
2433 | if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, | |
2434 | f->u.f.bitsize, f->visibility)) | |
2435 | return false; | |
2436 | } | |
2437 | } | |
2438 | } | |
2439 | ||
2440 | if (type->u.kclass->baseclasses != NULL) | |
2441 | { | |
2442 | for (i = 0; type->u.kclass->baseclasses[i] != NULL; i++) | |
2443 | { | |
2444 | struct debug_baseclass *b; | |
2445 | ||
2446 | b = type->u.kclass->baseclasses[i]; | |
2447 | if (! debug_write_type (info, fns, fhandle, b->type, | |
2448 | (struct debug_name *) NULL)) | |
2449 | return false; | |
2450 | if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->virtual, | |
2451 | b->visibility)) | |
2452 | return false; | |
2453 | } | |
2454 | } | |
2455 | ||
2456 | if (type->u.kclass->methods != NULL) | |
2457 | { | |
2458 | for (i = 0; type->u.kclass->methods[i] != NULL; i++) | |
2459 | { | |
2460 | struct debug_method *m; | |
2461 | unsigned int j; | |
2462 | ||
2463 | m = type->u.kclass->methods[i]; | |
2464 | if (! (*fns->class_start_method) (fhandle, m->name)) | |
2465 | return false; | |
2466 | for (j = 0; m->variants[j] != NULL; j++) | |
2467 | { | |
2468 | struct debug_method_variant *v; | |
2469 | ||
2470 | v = m->variants[j]; | |
2471 | if (v->context != NULL) | |
2472 | { | |
2473 | if (! debug_write_type (info, fns, fhandle, v->context, | |
2474 | (struct debug_name *) NULL)) | |
2475 | return false; | |
2476 | } | |
2477 | if (! debug_write_type (info, fns, fhandle, v->type, | |
2478 | (struct debug_name *) NULL)) | |
2479 | return false; | |
2480 | if (v->voffset != VOFFSET_STATIC_METHOD) | |
2481 | { | |
2482 | if (! (*fns->class_method_variant) (fhandle, v->argtypes, | |
2483 | v->visibility, | |
2484 | v->constp, v->volatilep, | |
2485 | v->voffset, | |
2486 | v->context != NULL)) | |
2487 | return false; | |
2488 | } | |
2489 | else | |
2490 | { | |
2491 | if (! (*fns->class_static_method_variant) (fhandle, | |
2492 | v->argtypes, | |
2493 | v->visibility, | |
2494 | v->constp, | |
2495 | v->volatilep)) | |
2496 | return false; | |
2497 | } | |
2498 | } | |
2499 | if (! (*fns->class_end_method) (fhandle)) | |
2500 | return false; | |
2501 | } | |
2502 | } | |
2503 | ||
2504 | return (*fns->end_class_type) (fhandle); | |
2505 | } | |
2506 | ||
2507 | /* Write out information for a function. */ | |
2508 | ||
2509 | static boolean | |
2510 | debug_write_function (info, fns, fhandle, name, linkage, function) | |
2511 | struct debug_handle *info; | |
2512 | const struct debug_write_fns *fns; | |
2513 | PTR fhandle; | |
2514 | const char *name; | |
2515 | enum debug_object_linkage linkage; | |
2516 | struct debug_function *function; | |
2517 | { | |
2518 | struct debug_parameter *p; | |
2519 | struct debug_block *b; | |
2520 | ||
2521 | if (! debug_write_type (info, fns, fhandle, function->return_type, | |
2522 | (struct debug_name *) NULL)) | |
2523 | return false; | |
2524 | ||
2525 | if (! (*fns->start_function) (fhandle, name, | |
2526 | linkage == DEBUG_LINKAGE_GLOBAL)) | |
2527 | return false; | |
2528 | ||
2529 | for (p = function->parameters; p != NULL; p = p->next) | |
2530 | { | |
2531 | if (! debug_write_type (info, fns, fhandle, p->type, | |
2532 | (struct debug_name *) NULL) | |
2533 | || ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val)) | |
2534 | return false; | |
2535 | } | |
2536 | ||
2537 | for (b = function->blocks; b != NULL; b = b->next) | |
2538 | { | |
2539 | if (! debug_write_block (info, fns, fhandle, b)) | |
2540 | return false; | |
2541 | } | |
2542 | ||
2543 | return (*fns->end_function) (fhandle); | |
2544 | } | |
2545 | ||
2546 | /* Write out information for a block. */ | |
2547 | ||
2548 | static boolean | |
2549 | debug_write_block (info, fns, fhandle, block) | |
2550 | struct debug_handle *info; | |
2551 | const struct debug_write_fns *fns; | |
2552 | PTR fhandle; | |
2553 | struct debug_block *block; | |
2554 | { | |
2555 | struct debug_name *n; | |
e1c14599 ILT |
2556 | struct debug_block *b; |
2557 | ||
2558 | if (! (*fns->start_block) (fhandle, block->start)) | |
2559 | return false; | |
2560 | ||
2561 | if (block->locals != NULL) | |
2562 | { | |
2563 | for (n = block->locals->list; n != NULL; n = n->next) | |
2564 | { | |
2565 | if (! debug_write_name (info, fns, fhandle, n)) | |
2566 | return false; | |
2567 | } | |
2568 | } | |
2569 | ||
e1c14599 ILT |
2570 | for (b = block->children; b != NULL; b = b->next) |
2571 | { | |
2572 | if (! debug_write_block (info, fns, fhandle, b)) | |
2573 | return false; | |
2574 | } | |
2575 | ||
2576 | return (*fns->end_block) (fhandle, block->end); | |
2577 | } |