1 /* debug.c -- Handle generic debugging information.
2 Copyright (C) 1995-2017 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor <ian@cygnus.com>.
5 This file is part of GNU Binutils.
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 3 of the License, or
10 (at your option) any later version.
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.
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., 51 Franklin Street - Fifth Floor, Boston, MA
23 /* This file implements a generic debugging format. We may eventually
24 have readers which convert different formats into this generic
25 format, and writers which write it out. The initial impetus for
26 this was writing a converter from stabs to HP IEEE-695 debugging
32 #include "libiberty.h"
33 #include "filenames.h"
36 /* Global information we keep for debugging. A pointer to this
37 structure is the debugging handle passed to all the routines. */
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. */
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. */
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;
69 /* Information we keep for a single compilation unit. */
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
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;
85 /* Information kept for a single source file. */
89 /* The next source file in this compilation unit. */
90 struct debug_file *next;
91 /* The name of the source file. */
93 /* Global functions, variables, types, etc. */
94 struct debug_namespace *globals;
102 enum debug_type_kind kind;
103 /* Size of type (0 if not known). */
105 /* Type which is a pointer to this type. */
107 /* Tagged union with additional information about the type. */
110 /* DEBUG_KIND_INDIRECT. */
111 struct debug_indirect_type *kindirect;
112 /* DEBUG_KIND_INT. */
113 /* Whether the integer is unsigned. */
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_s *kpointer;
122 /* DEBUG_KIND_FUNCTION. */
123 struct debug_function_type *kfunction;
124 /* DEBUG_KIND_REFERENCE. */
125 struct debug_type_s *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_s *kconst;
138 /* DEBUG_KIND_VOLATILE. */
139 struct debug_type_s *kvolatile;
140 /* DEBUG_KIND_NAMED, DEBUG_KIND_TAGGED. */
141 struct debug_named_type *knamed;
145 /* Information kept for an indirect type. */
147 struct debug_indirect_type
149 /* Slot where the final type will appear. */
155 /* Information kept for a struct, union, or class. */
157 struct debug_class_type
159 /* NULL terminated array of fields. */
161 /* A mark field which indicates whether the struct has already been
164 /* This is used to uniquely identify unnamed structs when printing. */
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. */
177 /* Information kept for an enum. */
179 struct debug_enum_type
181 /* NULL terminated array of names. */
183 /* Array of corresponding values. */
184 bfd_signed_vma *values;
187 /* Information kept for a function. FIXME: We should be able to
188 record the parameter types. */
190 struct debug_function_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. */
200 /* Information kept for a range. */
202 struct debug_range_type
204 /* Range base type. */
207 bfd_signed_vma lower;
209 bfd_signed_vma upper;
212 /* Information kept for an array. */
214 struct debug_array_type
217 debug_type element_type;
219 debug_type range_type;
221 bfd_signed_vma lower;
223 bfd_signed_vma upper;
224 /* Whether this array is really a string. */
228 /* Information kept for a set. */
230 struct debug_set_type
234 /* Whether this set is really a bitstring. */
235 bfd_boolean bitstringp;
238 /* Information kept for an offset type (a based pointer). */
240 struct debug_offset_type
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;
248 /* Information kept for a method type. */
250 struct debug_method_type
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. */
262 /* Information kept for a named type. */
264 struct debug_named_type
267 struct debug_name *name;
272 /* A field in a struct or union. */
276 /* Name of the field. */
278 /* Type of the field. */
279 struct debug_type_s *type;
280 /* Visibility of the field. */
281 enum debug_visibility visibility;
282 /* Whether this is a static member. */
283 bfd_boolean static_member;
286 /* If static_member is false. */
289 /* Bit position of the field in the struct. */
291 /* Size of the field in bits. */
292 unsigned int bitsize;
294 /* If static_member is true. */
297 const char *physname;
302 /* A base class for an object. */
304 struct debug_baseclass_s
306 /* Type of the base class. */
307 struct debug_type_s *type;
308 /* Bit position of the base class in the object. */
310 /* Whether the base class is virtual. */
311 bfd_boolean is_virtual;
312 /* Visibility of the base class. */
313 enum debug_visibility visibility;
316 /* A method of an object. */
318 struct debug_method_s
320 /* The name of the method. */
322 /* A NULL terminated array of different types of variants. */
323 struct debug_method_variant_s **variants;
326 /* The variants of a method function of an object. These indicate
327 which method to run. */
329 struct debug_method_variant_s
331 /* The physical name of the function. */
332 const char *physname;
333 /* The type of the function. */
334 struct debug_type_s *type;
335 /* The visibility of the function. */
336 enum debug_visibility visibility;
337 /* Whether the function is const. */
339 /* Whether the function is volatile. */
340 bfd_boolean volatilep;
341 /* The offset to the function in the virtual function table. */
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_s *context;
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. */
353 struct debug_variable
355 /* Kind of variable. */
356 enum debug_var_kind kind;
359 /* Value. The interpretation of the value depends upon kind. */
363 /* A function. This has no name; a name is associated with a function
364 in a debug_name structure. */
366 struct debug_function
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;
377 /* A function parameter. */
379 struct debug_parameter
381 /* Next parameter. */
382 struct debug_parameter *next;
388 enum debug_parm_kind kind;
389 /* Value (meaning depends upon kind). */
393 /* A typed constant. */
395 struct debug_typed_constant
399 /* Value. FIXME: We may eventually need to support non-integral
404 /* Information about a block within a function. */
408 /* Next block with the same parent. */
409 struct debug_block *next;
411 struct debug_block *parent;
412 /* List of child blocks. */
413 struct debug_block *children;
414 /* Start address of the block. */
416 /* End address of the block. */
418 /* Local variables. */
419 struct debug_namespace *locals;
422 /* Line number information we keep for a compilation unit. FIXME:
423 This structure is easy to create, but can be very space
428 /* More line number information for this block. */
429 struct debug_lineno *next;
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];
439 /* A namespace. This is a mapping from names to objects. FIXME: This
440 should be implemented as a hash table. */
442 struct debug_namespace
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;
450 /* Kinds of objects that appear in a namespace. */
452 enum debug_object_kind
456 /* A tagged type (really a different sort of namespace). */
459 DEBUG_OBJECT_VARIABLE,
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
470 /* Linkage of an object that appears in a namespace. */
472 enum debug_object_linkage
474 /* Local variable. */
475 DEBUG_LINKAGE_AUTOMATIC,
476 /* Static--either file static or function static, depending upon the
478 DEBUG_LINKAGE_STATIC,
480 DEBUG_LINKAGE_GLOBAL,
485 /* A name in a namespace. */
489 /* Next name in this namespace. */
490 struct debug_name *next;
493 /* Mark. This is used by debug_write. */
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. */
502 /* DEBUG_OBJECT_TYPE. */
503 struct debug_type_s *type;
504 /* DEBUG_OBJECT_TAG. */
505 struct debug_type_s *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;
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. */
522 struct debug_class_id
524 /* Next ID number. */
525 struct debug_class_id *next;
526 /* The type with the ID. */
527 struct debug_type_s *type;
528 /* The tag; NULL if no tag. */
532 /* During debug_type_samep, a linked list of these structures is kept
533 on the stack to avoid infinite recursion. */
535 struct debug_type_compare_list
537 /* Next type on list. */
538 struct debug_type_compare_list *next;
539 /* The types we are comparing. */
540 struct debug_type_s *t1;
541 struct debug_type_s *t2;
544 /* During debug_get_real_type, a linked list of these structures is
545 kept on the stack to avoid infinite recursion. */
547 struct debug_type_real_list
549 /* Next type on list. */
550 struct debug_type_real_list *next;
551 /* The type we are checking. */
552 struct debug_type_s *t;
555 /* Local functions. */
557 static void debug_error (const char *);
558 static struct debug_name *debug_add_to_namespace
559 (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 (struct debug_handle *, const char *, enum debug_object_kind,
563 enum debug_object_linkage);
564 static struct debug_type_s *debug_make_type
565 (struct debug_handle *, enum debug_type_kind, unsigned int);
566 static struct debug_type_s *debug_get_real_type
567 (void *, debug_type, struct debug_type_real_list *);
568 static bfd_boolean debug_write_name
569 (struct debug_handle *, const struct debug_write_fns *, void *,
570 struct debug_name *);
571 static bfd_boolean debug_write_type
572 (struct debug_handle *, const struct debug_write_fns *, void *,
573 struct debug_type_s *, struct debug_name *);
574 static bfd_boolean debug_write_class_type
575 (struct debug_handle *, const struct debug_write_fns *, void *,
576 struct debug_type_s *, const char *);
577 static bfd_boolean debug_write_function
578 (struct debug_handle *, const struct debug_write_fns *, void *,
579 const char *, enum debug_object_linkage, struct debug_function *);
580 static bfd_boolean debug_write_block
581 (struct debug_handle *, const struct debug_write_fns *, void *,
582 struct debug_block *);
583 static bfd_boolean debug_write_linenos
584 (struct debug_handle *, const struct debug_write_fns *, void *, bfd_vma);
585 static bfd_boolean debug_set_class_id
586 (struct debug_handle *, const char *, struct debug_type_s *);
587 static bfd_boolean debug_type_samep
588 (struct debug_handle *, struct debug_type_s *, struct debug_type_s *);
589 static bfd_boolean debug_class_type_samep
590 (struct debug_handle *, struct debug_type_s *, struct debug_type_s *);
592 /* Issue an error message. */
595 debug_error (const char *message)
597 fprintf (stderr, "%s\n", message);
600 /* Add an object to a namespace. */
602 static struct debug_name *
603 debug_add_to_namespace (struct debug_handle *info ATTRIBUTE_UNUSED,
604 struct debug_namespace **nsp, const char *name,
605 enum debug_object_kind kind,
606 enum debug_object_linkage linkage)
608 struct debug_name *n;
609 struct debug_namespace *ns;
611 n = (struct debug_name *) xmalloc (sizeof *n);
612 memset (n, 0, sizeof *n);
616 n->linkage = linkage;
621 ns = (struct debug_namespace *) xmalloc (sizeof *ns);
622 memset (ns, 0, sizeof *ns);
624 ns->tail = &ns->list;
635 /* Add an object to the current namespace. */
637 static struct debug_name *
638 debug_add_to_current_namespace (struct debug_handle *info, const char *name,
639 enum debug_object_kind kind,
640 enum debug_object_linkage linkage)
642 struct debug_namespace **nsp;
644 if (info->current_unit == NULL
645 || info->current_file == NULL)
647 debug_error (_("debug_add_to_current_namespace: no current file"));
651 if (info->current_block != NULL)
652 nsp = &info->current_block->locals;
654 nsp = &info->current_file->globals;
656 return debug_add_to_namespace (info, nsp, name, kind, linkage);
659 /* Return a handle for debugging information. */
664 struct debug_handle *ret;
666 ret = (struct debug_handle *) xmalloc (sizeof *ret);
667 memset (ret, 0, sizeof *ret);
671 /* Set the source filename. This implicitly starts a new compilation
675 debug_set_filename (void *handle, const char *name)
677 struct debug_handle *info = (struct debug_handle *) handle;
678 struct debug_file *nfile;
679 struct debug_unit *nunit;
684 nfile = (struct debug_file *) xmalloc (sizeof *nfile);
685 memset (nfile, 0, sizeof *nfile);
687 nfile->filename = name;
689 nunit = (struct debug_unit *) xmalloc (sizeof *nunit);
690 memset (nunit, 0, sizeof *nunit);
692 nunit->files = nfile;
693 info->current_file = nfile;
695 if (info->current_unit != NULL)
696 info->current_unit->next = nunit;
699 assert (info->units == NULL);
703 info->current_unit = nunit;
705 info->current_function = NULL;
706 info->current_block = NULL;
707 info->current_lineno = NULL;
712 /* Change source files to the given file name. This is used for
713 include files in a single compilation unit. */
716 debug_start_source (void *handle, const char *name)
718 struct debug_handle *info = (struct debug_handle *) handle;
719 struct debug_file *f, **pf;
724 if (info->current_unit == NULL)
726 debug_error (_("debug_start_source: no debug_set_filename call"));
730 for (f = info->current_unit->files; f != NULL; f = f->next)
732 if (filename_cmp (f->filename, name) == 0)
734 info->current_file = f;
739 f = (struct debug_file *) xmalloc (sizeof *f);
740 memset (f, 0, sizeof *f);
744 for (pf = &info->current_file->next;
750 info->current_file = f;
755 /* Record a function definition. This implicitly starts a function
756 block. The debug_type argument is the type of the return value.
757 The boolean indicates whether the function is globally visible.
758 The bfd_vma is the address of the start of the function. Currently
759 the parameter types are specified by calls to
760 debug_record_parameter. FIXME: There is no way to specify nested
764 debug_record_function (void *handle, const char *name,
765 debug_type return_type, bfd_boolean global,
768 struct debug_handle *info = (struct debug_handle *) handle;
769 struct debug_function *f;
770 struct debug_block *b;
771 struct debug_name *n;
775 if (return_type == NULL)
778 if (info->current_unit == NULL)
780 debug_error (_("debug_record_function: no debug_set_filename call"));
784 f = (struct debug_function *) xmalloc (sizeof *f);
785 memset (f, 0, sizeof *f);
787 f->return_type = return_type;
789 b = (struct debug_block *) xmalloc (sizeof *b);
790 memset (b, 0, sizeof *b);
793 b->end = (bfd_vma) -1;
797 info->current_function = f;
798 info->current_block = b;
800 /* FIXME: If we could handle nested functions, this would be the
801 place: we would want to use a different namespace. */
802 n = debug_add_to_namespace (info,
803 &info->current_file->globals,
805 DEBUG_OBJECT_FUNCTION,
807 ? DEBUG_LINKAGE_GLOBAL
808 : DEBUG_LINKAGE_STATIC));
817 /* Record a parameter for the current function. */
820 debug_record_parameter (void *handle, const char *name, debug_type type,
821 enum debug_parm_kind kind, bfd_vma val)
823 struct debug_handle *info = (struct debug_handle *) handle;
824 struct debug_parameter *p, **pp;
826 if (name == NULL || type == NULL)
829 if (info->current_unit == NULL
830 || info->current_function == NULL)
832 debug_error (_("debug_record_parameter: no current function"));
836 p = (struct debug_parameter *) xmalloc (sizeof *p);
837 memset (p, 0, sizeof *p);
844 for (pp = &info->current_function->parameters;
853 /* End a function. FIXME: This should handle function nesting. */
856 debug_end_function (void *handle, bfd_vma addr)
858 struct debug_handle *info = (struct debug_handle *) handle;
860 if (info->current_unit == NULL
861 || info->current_block == NULL
862 || info->current_function == NULL)
864 debug_error (_("debug_end_function: no current function"));
868 if (info->current_block->parent != NULL)
870 debug_error (_("debug_end_function: some blocks were not closed"));
874 info->current_block->end = addr;
876 info->current_function = NULL;
877 info->current_block = NULL;
882 /* Start a block in a function. All local information will be
883 recorded in this block, until the matching call to debug_end_block.
884 debug_start_block and debug_end_block may be nested. The bfd_vma
885 argument is the address at which this block starts. */
888 debug_start_block (void *handle, bfd_vma addr)
890 struct debug_handle *info = (struct debug_handle *) handle;
891 struct debug_block *b, **pb;
893 /* We must always have a current block: debug_record_function sets
895 if (info->current_unit == NULL
896 || info->current_block == NULL)
898 debug_error (_("debug_start_block: no current block"));
902 b = (struct debug_block *) xmalloc (sizeof *b);
903 memset (b, 0, sizeof *b);
905 b->parent = info->current_block;
907 b->end = (bfd_vma) -1;
909 /* This new block is a child of the current block. */
910 for (pb = &info->current_block->children;
916 info->current_block = b;
921 /* Finish a block in a function. This matches the call to
922 debug_start_block. The argument is the address at which this block
926 debug_end_block (void *handle, bfd_vma addr)
928 struct debug_handle *info = (struct debug_handle *) handle;
929 struct debug_block *parent;
931 if (info->current_unit == NULL
932 || info->current_block == NULL)
934 debug_error (_("debug_end_block: no current block"));
938 parent = info->current_block->parent;
941 debug_error (_("debug_end_block: attempt to close top level block"));
945 info->current_block->end = addr;
947 info->current_block = parent;
952 /* Associate a line number in the current source file and function
953 with a given address. */
956 debug_record_line (void *handle, unsigned long lineno, bfd_vma addr)
958 struct debug_handle *info = (struct debug_handle *) handle;
959 struct debug_lineno *l;
962 if (info->current_unit == NULL)
964 debug_error (_("debug_record_line: no current unit"));
968 l = info->current_lineno;
969 if (l != NULL && l->file == info->current_file)
971 for (i = 0; i < DEBUG_LINENO_COUNT; i++)
973 if (l->linenos[i] == (unsigned long) -1)
975 l->linenos[i] = lineno;
982 /* If we get here, then either 1) there is no current_lineno
983 structure, which means this is the first line number in this
984 compilation unit, 2) the current_lineno structure is for a
985 different file, or 3) the current_lineno structure is full.
986 Regardless, we want to allocate a new debug_lineno structure, put
987 it in the right place, and make it the new current_lineno
990 l = (struct debug_lineno *) xmalloc (sizeof *l);
991 memset (l, 0, sizeof *l);
993 l->file = info->current_file;
994 l->linenos[0] = lineno;
996 for (i = 1; i < DEBUG_LINENO_COUNT; i++)
997 l->linenos[i] = (unsigned long) -1;
999 if (info->current_lineno != NULL)
1000 info->current_lineno->next = l;
1002 info->current_unit->linenos = l;
1004 info->current_lineno = l;
1009 /* Start a named common block. This is a block of variables that may
1013 debug_start_common_block (void *handle ATTRIBUTE_UNUSED,
1014 const char *name ATTRIBUTE_UNUSED)
1017 debug_error (_("debug_start_common_block: not implemented"));
1021 /* End a named common block. */
1024 debug_end_common_block (void *handle ATTRIBUTE_UNUSED,
1025 const char *name ATTRIBUTE_UNUSED)
1028 debug_error (_("debug_end_common_block: not implemented"));
1032 /* Record a named integer constant. */
1035 debug_record_int_const (void *handle, const char *name, bfd_vma val)
1037 struct debug_handle *info = (struct debug_handle *) handle;
1038 struct debug_name *n;
1043 n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_INT_CONSTANT,
1044 DEBUG_LINKAGE_NONE);
1048 n->u.int_constant = val;
1053 /* Record a named floating point constant. */
1056 debug_record_float_const (void *handle, const char *name, double val)
1058 struct debug_handle *info = (struct debug_handle *) handle;
1059 struct debug_name *n;
1064 n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_FLOAT_CONSTANT,
1065 DEBUG_LINKAGE_NONE);
1069 n->u.float_constant = val;
1074 /* Record a typed constant with an integral value. */
1077 debug_record_typed_const (void *handle, const char *name, debug_type type,
1080 struct debug_handle *info = (struct debug_handle *) handle;
1081 struct debug_name *n;
1082 struct debug_typed_constant *tc;
1084 if (name == NULL || type == NULL)
1087 n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPED_CONSTANT,
1088 DEBUG_LINKAGE_NONE);
1092 tc = (struct debug_typed_constant *) xmalloc (sizeof *tc);
1093 memset (tc, 0, sizeof *tc);
1098 n->u.typed_constant = tc;
1103 /* Record a label. */
1106 debug_record_label (void *handle ATTRIBUTE_UNUSED,
1107 const char *name ATTRIBUTE_UNUSED,
1108 debug_type type ATTRIBUTE_UNUSED,
1109 bfd_vma addr ATTRIBUTE_UNUSED)
1112 debug_error (_("debug_record_label: not implemented"));
1116 /* Record a variable. */
1119 debug_record_variable (void *handle, const char *name, debug_type type,
1120 enum debug_var_kind kind, bfd_vma val)
1122 struct debug_handle *info = (struct debug_handle *) handle;
1123 struct debug_namespace **nsp;
1124 enum debug_object_linkage linkage;
1125 struct debug_name *n;
1126 struct debug_variable *v;
1128 if (name == NULL || type == NULL)
1131 if (info->current_unit == NULL
1132 || info->current_file == NULL)
1134 debug_error (_("debug_record_variable: no current file"));
1138 if (kind == DEBUG_GLOBAL || kind == DEBUG_STATIC)
1140 nsp = &info->current_file->globals;
1141 if (kind == DEBUG_GLOBAL)
1142 linkage = DEBUG_LINKAGE_GLOBAL;
1144 linkage = DEBUG_LINKAGE_STATIC;
1148 if (info->current_block == NULL)
1149 nsp = &info->current_file->globals;
1151 nsp = &info->current_block->locals;
1152 linkage = DEBUG_LINKAGE_AUTOMATIC;
1155 n = debug_add_to_namespace (info, nsp, name, DEBUG_OBJECT_VARIABLE, linkage);
1159 v = (struct debug_variable *) xmalloc (sizeof *v);
1160 memset (v, 0, sizeof *v);
1171 /* Make a type with a given kind and size. */
1173 static struct debug_type_s *
1174 debug_make_type (struct debug_handle *info ATTRIBUTE_UNUSED,
1175 enum debug_type_kind kind, unsigned int size)
1177 struct debug_type_s *t;
1179 t = (struct debug_type_s *) xmalloc (sizeof *t);
1180 memset (t, 0, sizeof *t);
1188 /* Make an indirect type which may be used as a placeholder for a type
1189 which is referenced before it is defined. */
1192 debug_make_indirect_type (void *handle, debug_type *slot, const char *tag)
1194 struct debug_handle *info = (struct debug_handle *) handle;
1195 struct debug_type_s *t;
1196 struct debug_indirect_type *i;
1198 t = debug_make_type (info, DEBUG_KIND_INDIRECT, 0);
1200 return DEBUG_TYPE_NULL;
1202 i = (struct debug_indirect_type *) xmalloc (sizeof *i);
1203 memset (i, 0, sizeof *i);
1213 /* Make a void type. There is only one of these. */
1216 debug_make_void_type (void *handle)
1218 struct debug_handle *info = (struct debug_handle *) handle;
1220 return debug_make_type (info, DEBUG_KIND_VOID, 0);
1223 /* Make an integer type of a given size. The boolean argument is true
1224 if the integer is unsigned. */
1227 debug_make_int_type (void *handle, unsigned int size, bfd_boolean unsignedp)
1229 struct debug_handle *info = (struct debug_handle *) handle;
1230 struct debug_type_s *t;
1232 t = debug_make_type (info, DEBUG_KIND_INT, size);
1234 return DEBUG_TYPE_NULL;
1236 t->u.kint = unsignedp;
1241 /* Make a floating point type of a given size. FIXME: On some
1242 platforms, like an Alpha, you probably need to be able to specify
1246 debug_make_float_type (void *handle, unsigned int size)
1248 struct debug_handle *info = (struct debug_handle *) handle;
1250 return debug_make_type (info, DEBUG_KIND_FLOAT, size);
1253 /* Make a boolean type of a given size. */
1256 debug_make_bool_type (void *handle, unsigned int size)
1258 struct debug_handle *info = (struct debug_handle *) handle;
1260 return debug_make_type (info, DEBUG_KIND_BOOL, size);
1263 /* Make a complex type of a given size. */
1266 debug_make_complex_type (void *handle, unsigned int size)
1268 struct debug_handle *info = (struct debug_handle *) handle;
1270 return debug_make_type (info, DEBUG_KIND_COMPLEX, size);
1273 /* Make a structure type. The second argument is true for a struct,
1274 false for a union. The third argument is the size of the struct.
1275 The fourth argument is a NULL terminated array of fields. */
1278 debug_make_struct_type (void *handle, bfd_boolean structp, bfd_vma size,
1279 debug_field *fields)
1281 struct debug_handle *info = (struct debug_handle *) handle;
1282 struct debug_type_s *t;
1283 struct debug_class_type *c;
1285 t = debug_make_type (info,
1286 structp ? DEBUG_KIND_STRUCT : DEBUG_KIND_UNION,
1289 return DEBUG_TYPE_NULL;
1291 c = (struct debug_class_type *) xmalloc (sizeof *c);
1292 memset (c, 0, sizeof *c);
1301 /* Make an object type. The first three arguments after the handle
1302 are the same as for debug_make_struct_type. The next arguments are
1303 a NULL terminated array of base classes, a NULL terminated array of
1304 methods, the type of the object holding the virtual function table
1305 if it is not this object, and a boolean which is true if this
1306 object has its own virtual function table. */
1309 debug_make_object_type (void *handle, bfd_boolean structp, bfd_vma size,
1310 debug_field *fields, debug_baseclass *baseclasses,
1311 debug_method *methods, debug_type vptrbase,
1312 bfd_boolean ownvptr)
1314 struct debug_handle *info = (struct debug_handle *) handle;
1315 struct debug_type_s *t;
1316 struct debug_class_type *c;
1318 t = debug_make_type (info,
1319 structp ? DEBUG_KIND_CLASS : DEBUG_KIND_UNION_CLASS,
1322 return DEBUG_TYPE_NULL;
1324 c = (struct debug_class_type *) xmalloc (sizeof *c);
1325 memset (c, 0, sizeof *c);
1328 c->baseclasses = baseclasses;
1329 c->methods = methods;
1333 c->vptrbase = vptrbase;
1340 /* Make an enumeration type. The arguments are a null terminated
1341 array of strings, and an array of corresponding values. */
1344 debug_make_enum_type (void *handle, const char **names,
1345 bfd_signed_vma *values)
1347 struct debug_handle *info = (struct debug_handle *) handle;
1348 struct debug_type_s *t;
1349 struct debug_enum_type *e;
1351 t = debug_make_type (info, DEBUG_KIND_ENUM, 0);
1353 return DEBUG_TYPE_NULL;
1355 e = (struct debug_enum_type *) xmalloc (sizeof *e);
1356 memset (e, 0, sizeof *e);
1366 /* Make a pointer to a given type. */
1369 debug_make_pointer_type (void *handle, debug_type type)
1371 struct debug_handle *info = (struct debug_handle *) handle;
1372 struct debug_type_s *t;
1375 return DEBUG_TYPE_NULL;
1377 if (type->pointer != DEBUG_TYPE_NULL)
1378 return type->pointer;
1380 t = debug_make_type (info, DEBUG_KIND_POINTER, 0);
1382 return DEBUG_TYPE_NULL;
1384 t->u.kpointer = type;
1391 /* Make a function returning a given type. FIXME: We should be able
1392 to record the parameter types. */
1395 debug_make_function_type (void *handle, debug_type type,
1396 debug_type *arg_types, bfd_boolean varargs)
1398 struct debug_handle *info = (struct debug_handle *) handle;
1399 struct debug_type_s *t;
1400 struct debug_function_type *f;
1403 return DEBUG_TYPE_NULL;
1405 t = debug_make_type (info, DEBUG_KIND_FUNCTION, 0);
1407 return DEBUG_TYPE_NULL;
1409 f = (struct debug_function_type *) xmalloc (sizeof *f);
1410 memset (f, 0, sizeof *f);
1412 f->return_type = type;
1413 f->arg_types = arg_types;
1414 f->varargs = varargs;
1421 /* Make a reference to a given type. */
1424 debug_make_reference_type (void *handle, debug_type type)
1426 struct debug_handle *info = (struct debug_handle *) handle;
1427 struct debug_type_s *t;
1430 return DEBUG_TYPE_NULL;
1432 t = debug_make_type (info, DEBUG_KIND_REFERENCE, 0);
1434 return DEBUG_TYPE_NULL;
1436 t->u.kreference = type;
1441 /* Make a range of a given type from a lower to an upper bound. */
1444 debug_make_range_type (void *handle, debug_type type, bfd_signed_vma lower,
1445 bfd_signed_vma upper)
1447 struct debug_handle *info = (struct debug_handle *) handle;
1448 struct debug_type_s *t;
1449 struct debug_range_type *r;
1452 return DEBUG_TYPE_NULL;
1454 t = debug_make_type (info, DEBUG_KIND_RANGE, 0);
1456 return DEBUG_TYPE_NULL;
1458 r = (struct debug_range_type *) xmalloc (sizeof *r);
1459 memset (r, 0, sizeof *r);
1470 /* Make an array type. The second argument is the type of an element
1471 of the array. The third argument is the type of a range of the
1472 array. The fourth and fifth argument are the lower and upper
1473 bounds, respectively. The sixth argument is true if this array is
1474 actually a string, as in C. */
1477 debug_make_array_type (void *handle, debug_type element_type,
1478 debug_type range_type, bfd_signed_vma lower,
1479 bfd_signed_vma upper, bfd_boolean stringp)
1481 struct debug_handle *info = (struct debug_handle *) handle;
1482 struct debug_type_s *t;
1483 struct debug_array_type *a;
1485 if (element_type == NULL || range_type == NULL)
1486 return DEBUG_TYPE_NULL;
1488 t = debug_make_type (info, DEBUG_KIND_ARRAY, 0);
1490 return DEBUG_TYPE_NULL;
1492 a = (struct debug_array_type *) xmalloc (sizeof *a);
1493 memset (a, 0, sizeof *a);
1495 a->element_type = element_type;
1496 a->range_type = range_type;
1499 a->stringp = stringp;
1506 /* Make a set of a given type. For example, a Pascal set type. The
1507 boolean argument is true if this set is actually a bitstring, as in
1511 debug_make_set_type (void *handle, debug_type type, bfd_boolean bitstringp)
1513 struct debug_handle *info = (struct debug_handle *) handle;
1514 struct debug_type_s *t;
1515 struct debug_set_type *s;
1518 return DEBUG_TYPE_NULL;
1520 t = debug_make_type (info, DEBUG_KIND_SET, 0);
1522 return DEBUG_TYPE_NULL;
1524 s = (struct debug_set_type *) xmalloc (sizeof *s);
1525 memset (s, 0, sizeof *s);
1528 s->bitstringp = bitstringp;
1535 /* Make a type for a pointer which is relative to an object. The
1536 second argument is the type of the object to which the pointer is
1537 relative. The third argument is the type that the pointer points
1541 debug_make_offset_type (void *handle, debug_type base_type,
1542 debug_type target_type)
1544 struct debug_handle *info = (struct debug_handle *) handle;
1545 struct debug_type_s *t;
1546 struct debug_offset_type *o;
1548 if (base_type == NULL || target_type == NULL)
1549 return DEBUG_TYPE_NULL;
1551 t = debug_make_type (info, DEBUG_KIND_OFFSET, 0);
1553 return DEBUG_TYPE_NULL;
1555 o = (struct debug_offset_type *) xmalloc (sizeof *o);
1556 memset (o, 0, sizeof *o);
1558 o->base_type = base_type;
1559 o->target_type = target_type;
1566 /* Make a type for a method function. The second argument is the
1567 return type, the third argument is the domain, and the fourth
1568 argument is a NULL terminated array of argument types. */
1571 debug_make_method_type (void *handle, debug_type return_type,
1572 debug_type domain_type, debug_type *arg_types,
1573 bfd_boolean varargs)
1575 struct debug_handle *info = (struct debug_handle *) handle;
1576 struct debug_type_s *t;
1577 struct debug_method_type *m;
1579 if (return_type == NULL)
1580 return DEBUG_TYPE_NULL;
1582 t = debug_make_type (info, DEBUG_KIND_METHOD, 0);
1584 return DEBUG_TYPE_NULL;
1586 m = (struct debug_method_type *) xmalloc (sizeof *m);
1587 memset (m, 0, sizeof *m);
1589 m->return_type = return_type;
1590 m->domain_type = domain_type;
1591 m->arg_types = arg_types;
1592 m->varargs = varargs;
1599 /* Make a const qualified version of a given type. */
1602 debug_make_const_type (void *handle, debug_type type)
1604 struct debug_handle *info = (struct debug_handle *) handle;
1605 struct debug_type_s *t;
1608 return DEBUG_TYPE_NULL;
1610 t = debug_make_type (info, DEBUG_KIND_CONST, 0);
1612 return DEBUG_TYPE_NULL;
1619 /* Make a volatile qualified version of a given type. */
1622 debug_make_volatile_type (void *handle, debug_type type)
1624 struct debug_handle *info = (struct debug_handle *) handle;
1625 struct debug_type_s *t;
1628 return DEBUG_TYPE_NULL;
1630 t = debug_make_type (info, DEBUG_KIND_VOLATILE, 0);
1632 return DEBUG_TYPE_NULL;
1634 t->u.kvolatile = type;
1639 /* Make an undefined tagged type. For example, a struct which has
1640 been mentioned, but not defined. */
1643 debug_make_undefined_tagged_type (void *handle, const char *name,
1644 enum debug_type_kind kind)
1646 struct debug_handle *info = (struct debug_handle *) handle;
1647 struct debug_type_s *t;
1650 return DEBUG_TYPE_NULL;
1654 case DEBUG_KIND_STRUCT:
1655 case DEBUG_KIND_UNION:
1656 case DEBUG_KIND_CLASS:
1657 case DEBUG_KIND_UNION_CLASS:
1658 case DEBUG_KIND_ENUM:
1662 debug_error (_("debug_make_undefined_type: unsupported kind"));
1663 return DEBUG_TYPE_NULL;
1666 t = debug_make_type (info, kind, 0);
1668 return DEBUG_TYPE_NULL;
1670 return debug_tag_type (handle, name, t);
1673 /* Make a base class for an object. The second argument is the base
1674 class type. The third argument is the bit position of this base
1675 class in the object (always 0 unless doing multiple inheritance).
1676 The fourth argument is whether this is a virtual class. The fifth
1677 argument is the visibility of the base class. */
1680 debug_make_baseclass (void *handle ATTRIBUTE_UNUSED, debug_type type,
1681 bfd_vma bitpos, bfd_boolean is_virtual,
1682 enum debug_visibility visibility)
1684 struct debug_baseclass_s *b;
1686 b = (struct debug_baseclass_s *) xmalloc (sizeof *b);
1687 memset (b, 0, sizeof *b);
1691 b->is_virtual = is_virtual;
1692 b->visibility = visibility;
1697 /* Make a field for a struct. The second argument is the name. The
1698 third argument is the type of the field. The fourth argument is
1699 the bit position of the field. The fifth argument is the size of
1700 the field (it may be zero). The sixth argument is the visibility
1704 debug_make_field (void *handle ATTRIBUTE_UNUSED, const char *name,
1705 debug_type type, bfd_vma bitpos, bfd_vma bitsize,
1706 enum debug_visibility visibility)
1708 struct debug_field_s *f;
1710 f = (struct debug_field_s *) xmalloc (sizeof *f);
1711 memset (f, 0, sizeof *f);
1715 f->static_member = FALSE;
1716 f->u.f.bitpos = bitpos;
1717 f->u.f.bitsize = bitsize;
1718 f->visibility = visibility;
1723 /* Make a static member of an object. The second argument is the
1724 name. The third argument is the type of the member. The fourth
1725 argument is the physical name of the member (i.e., the name as a
1726 global variable). The fifth argument is the visibility of the
1730 debug_make_static_member (void *handle ATTRIBUTE_UNUSED, const char *name,
1731 debug_type type, const char *physname,
1732 enum debug_visibility visibility)
1734 struct debug_field_s *f;
1736 f = (struct debug_field_s *) xmalloc (sizeof *f);
1737 memset (f, 0, sizeof *f);
1741 f->static_member = TRUE;
1742 f->u.s.physname = physname;
1743 f->visibility = visibility;
1748 /* Make a method. The second argument is the name, and the third
1749 argument is a NULL terminated array of method variants. */
1752 debug_make_method (void *handle ATTRIBUTE_UNUSED, const char *name,
1753 debug_method_variant *variants)
1755 struct debug_method_s *m;
1757 m = (struct debug_method_s *) xmalloc (sizeof *m);
1758 memset (m, 0, sizeof *m);
1761 m->variants = variants;
1766 /* Make a method argument. The second argument is the real name of
1767 the function. The third argument is the type of the function. The
1768 fourth argument is the visibility. The fifth argument is whether
1769 this is a const function. The sixth argument is whether this is a
1770 volatile function. The seventh argument is the offset in the
1771 virtual function table, if any. The eighth argument is the virtual
1772 function context. FIXME: Are the const and volatile arguments
1773 necessary? Could we just use debug_make_const_type? */
1775 debug_method_variant
1776 debug_make_method_variant (void *handle ATTRIBUTE_UNUSED,
1777 const char *physname, debug_type type,
1778 enum debug_visibility visibility,
1779 bfd_boolean constp, bfd_boolean volatilep,
1780 bfd_vma voffset, debug_type context)
1782 struct debug_method_variant_s *m;
1784 m = (struct debug_method_variant_s *) xmalloc (sizeof *m);
1785 memset (m, 0, sizeof *m);
1787 m->physname = physname;
1789 m->visibility = visibility;
1791 m->volatilep = volatilep;
1792 m->voffset = voffset;
1793 m->context = context;
1798 /* Make a static method argument. The arguments are the same as for
1799 debug_make_method_variant, except that the last two are omitted
1800 since a static method can not also be virtual. */
1802 debug_method_variant
1803 debug_make_static_method_variant (void *handle ATTRIBUTE_UNUSED,
1804 const char *physname, debug_type type,
1805 enum debug_visibility visibility,
1806 bfd_boolean constp, bfd_boolean volatilep)
1808 struct debug_method_variant_s *m;
1810 m = (struct debug_method_variant_s *) xmalloc (sizeof *m);
1811 memset (m, 0, sizeof *m);
1813 m->physname = physname;
1815 m->visibility = visibility;
1817 m->volatilep = volatilep;
1818 m->voffset = VOFFSET_STATIC_METHOD;
1826 debug_name_type (void *handle, const char *name, debug_type type)
1828 struct debug_handle *info = (struct debug_handle *) handle;
1829 struct debug_type_s *t;
1830 struct debug_named_type *n;
1831 struct debug_name *nm;
1833 if (name == NULL || type == NULL)
1834 return DEBUG_TYPE_NULL;
1836 if (info->current_unit == NULL
1837 || info->current_file == NULL)
1839 debug_error (_("debug_name_type: no current file"));
1840 return DEBUG_TYPE_NULL;
1843 t = debug_make_type (info, DEBUG_KIND_NAMED, 0);
1845 return DEBUG_TYPE_NULL;
1847 n = (struct debug_named_type *) xmalloc (sizeof *n);
1848 memset (n, 0, sizeof *n);
1854 /* We always add the name to the global namespace. This is probably
1855 wrong in some cases, but it seems to be right for stabs. FIXME. */
1857 nm = debug_add_to_namespace (info, &info->current_file->globals, name,
1858 DEBUG_OBJECT_TYPE, DEBUG_LINKAGE_NONE);
1860 return DEBUG_TYPE_NULL;
1872 debug_tag_type (void *handle, const char *name, debug_type type)
1874 struct debug_handle *info = (struct debug_handle *) handle;
1875 struct debug_type_s *t;
1876 struct debug_named_type *n;
1877 struct debug_name *nm;
1879 if (name == NULL || type == NULL)
1880 return DEBUG_TYPE_NULL;
1882 if (info->current_file == NULL)
1884 debug_error (_("debug_tag_type: no current file"));
1885 return DEBUG_TYPE_NULL;
1888 if (type->kind == DEBUG_KIND_TAGGED)
1890 if (strcmp (type->u.knamed->name->name, name) == 0)
1892 debug_error (_("debug_tag_type: extra tag attempted"));
1893 return DEBUG_TYPE_NULL;
1896 t = debug_make_type (info, DEBUG_KIND_TAGGED, 0);
1898 return DEBUG_TYPE_NULL;
1900 n = (struct debug_named_type *) xmalloc (sizeof *n);
1901 memset (n, 0, sizeof *n);
1907 /* We keep a global namespace of tags for each compilation unit. I
1908 don't know if that is the right thing to do. */
1910 nm = debug_add_to_namespace (info, &info->current_file->globals, name,
1911 DEBUG_OBJECT_TAG, DEBUG_LINKAGE_NONE);
1913 return DEBUG_TYPE_NULL;
1922 /* Record the size of a given type. */
1925 debug_record_type_size (void *handle ATTRIBUTE_UNUSED, debug_type type,
1928 if (type->size != 0 && type->size != size)
1929 fprintf (stderr, _("Warning: changing type size from %d to %d\n"),
1937 /* Find a named type. */
1940 debug_find_named_type (void *handle, const char *name)
1942 struct debug_handle *info = (struct debug_handle *) handle;
1943 struct debug_block *b;
1944 struct debug_file *f;
1946 /* We only search the current compilation unit. I don't know if
1947 this is right or not. */
1949 if (info->current_unit == NULL)
1951 debug_error (_("debug_find_named_type: no current compilation unit"));
1952 return DEBUG_TYPE_NULL;
1955 for (b = info->current_block; b != NULL; b = b->parent)
1957 if (b->locals != NULL)
1959 struct debug_name *n;
1961 for (n = b->locals->list; n != NULL; n = n->next)
1963 if (n->kind == DEBUG_OBJECT_TYPE
1964 && n->name[0] == name[0]
1965 && strcmp (n->name, name) == 0)
1971 for (f = info->current_unit->files; f != NULL; f = f->next)
1973 if (f->globals != NULL)
1975 struct debug_name *n;
1977 for (n = f->globals->list; n != NULL; n = n->next)
1979 if (n->kind == DEBUG_OBJECT_TYPE
1980 && n->name[0] == name[0]
1981 && strcmp (n->name, name) == 0)
1987 return DEBUG_TYPE_NULL;
1990 /* Find a tagged type. */
1993 debug_find_tagged_type (void *handle, const char *name,
1994 enum debug_type_kind kind)
1996 struct debug_handle *info = (struct debug_handle *) handle;
1997 struct debug_unit *u;
1999 /* We search the globals of all the compilation units. I don't know
2000 if this is correct or not. It would be easy to change. */
2002 for (u = info->units; u != NULL; u = u->next)
2004 struct debug_file *f;
2006 for (f = u->files; f != NULL; f = f->next)
2008 struct debug_name *n;
2010 if (f->globals != NULL)
2012 for (n = f->globals->list; n != NULL; n = n->next)
2014 if (n->kind == DEBUG_OBJECT_TAG
2015 && (kind == DEBUG_KIND_ILLEGAL
2016 || n->u.tag->kind == kind)
2017 && n->name[0] == name[0]
2018 && strcmp (n->name, name) == 0)
2025 return DEBUG_TYPE_NULL;
2028 /* Get a base type. We build a linked list on the stack to avoid
2029 crashing if the type is defined circularly. */
2031 static struct debug_type_s *
2032 debug_get_real_type (void *handle, debug_type type,
2033 struct debug_type_real_list *list)
2035 struct debug_type_real_list *l;
2036 struct debug_type_real_list rl;
2043 case DEBUG_KIND_INDIRECT:
2044 case DEBUG_KIND_NAMED:
2045 case DEBUG_KIND_TAGGED:
2049 for (l = list; l != NULL; l = l->next)
2051 if (l->t == type || l == l->next)
2054 _("debug_get_real_type: circular debug information for %s\n"),
2055 debug_get_type_name (handle, type));
2065 /* The default case is just here to avoid warnings. */
2067 case DEBUG_KIND_INDIRECT:
2068 if (*type->u.kindirect->slot != NULL)
2069 return debug_get_real_type (handle, *type->u.kindirect->slot, &rl);
2071 case DEBUG_KIND_NAMED:
2072 case DEBUG_KIND_TAGGED:
2073 return debug_get_real_type (handle, type->u.knamed->type, &rl);
2078 /* Get the kind of a type. */
2080 enum debug_type_kind
2081 debug_get_type_kind (void *handle, debug_type type)
2084 return DEBUG_KIND_ILLEGAL;
2085 type = debug_get_real_type (handle, type, NULL);
2087 return DEBUG_KIND_ILLEGAL;
2091 /* Get the name of a type. */
2094 debug_get_type_name (void *handle, debug_type type)
2096 if (type->kind == DEBUG_KIND_INDIRECT)
2098 if (*type->u.kindirect->slot != NULL)
2099 return debug_get_type_name (handle, *type->u.kindirect->slot);
2100 return type->u.kindirect->tag;
2102 if (type->kind == DEBUG_KIND_NAMED
2103 || type->kind == DEBUG_KIND_TAGGED)
2104 return type->u.knamed->name->name;
2108 /* Get the size of a type. */
2111 debug_get_type_size (void *handle, debug_type type)
2116 /* We don't call debug_get_real_type, because somebody might have
2117 called debug_record_type_size on a named or indirect type. */
2119 if (type->size != 0)
2126 case DEBUG_KIND_INDIRECT:
2127 if (*type->u.kindirect->slot != NULL)
2128 return debug_get_type_size (handle, *type->u.kindirect->slot);
2130 case DEBUG_KIND_NAMED:
2131 case DEBUG_KIND_TAGGED:
2132 return debug_get_type_size (handle, type->u.knamed->type);
2137 /* Get the return type of a function or method type. */
2140 debug_get_return_type (void *handle, debug_type type)
2143 return DEBUG_TYPE_NULL;
2145 type = debug_get_real_type (handle, type, NULL);
2147 return DEBUG_TYPE_NULL;
2152 return DEBUG_TYPE_NULL;
2153 case DEBUG_KIND_FUNCTION:
2154 return type->u.kfunction->return_type;
2155 case DEBUG_KIND_METHOD:
2156 return type->u.kmethod->return_type;
2161 /* Get the parameter types of a function or method type (except that
2162 we don't currently store the parameter types of a function). */
2165 debug_get_parameter_types (void *handle, debug_type type,
2166 bfd_boolean *pvarargs)
2171 type = debug_get_real_type (handle, type, NULL);
2179 case DEBUG_KIND_FUNCTION:
2180 *pvarargs = type->u.kfunction->varargs;
2181 return type->u.kfunction->arg_types;
2182 case DEBUG_KIND_METHOD:
2183 *pvarargs = type->u.kmethod->varargs;
2184 return type->u.kmethod->arg_types;
2189 /* Get the target type of a type. */
2192 debug_get_target_type (void *handle, debug_type type)
2197 type = debug_get_real_type (handle, type, NULL);
2205 case DEBUG_KIND_POINTER:
2206 return type->u.kpointer;
2207 case DEBUG_KIND_REFERENCE:
2208 return type->u.kreference;
2209 case DEBUG_KIND_CONST:
2210 return type->u.kconst;
2211 case DEBUG_KIND_VOLATILE:
2212 return type->u.kvolatile;
2217 /* Get the NULL terminated array of fields for a struct, union, or
2221 debug_get_fields (void *handle, debug_type type)
2226 type = debug_get_real_type (handle, type, NULL);
2234 case DEBUG_KIND_STRUCT:
2235 case DEBUG_KIND_UNION:
2236 case DEBUG_KIND_CLASS:
2237 case DEBUG_KIND_UNION_CLASS:
2238 return type->u.kclass->fields;
2243 /* Get the type of a field. */
2246 debug_get_field_type (void *handle ATTRIBUTE_UNUSED, debug_field field)
2253 /* Get the name of a field. */
2256 debug_get_field_name (void *handle ATTRIBUTE_UNUSED, debug_field field)
2263 /* Get the bit position of a field. */
2266 debug_get_field_bitpos (void *handle ATTRIBUTE_UNUSED, debug_field field)
2268 if (field == NULL || field->static_member)
2269 return (bfd_vma) -1;
2270 return field->u.f.bitpos;
2273 /* Get the bit size of a field. */
2276 debug_get_field_bitsize (void *handle ATTRIBUTE_UNUSED, debug_field field)
2278 if (field == NULL || field->static_member)
2279 return (bfd_vma) -1;
2280 return field->u.f.bitsize;
2283 /* Get the visibility of a field. */
2285 enum debug_visibility
2286 debug_get_field_visibility (void *handle ATTRIBUTE_UNUSED, debug_field field)
2289 return DEBUG_VISIBILITY_IGNORE;
2290 return field->visibility;
2293 /* Get the physical name of a field. */
2296 debug_get_field_physname (void *handle ATTRIBUTE_UNUSED, debug_field field)
2298 if (field == NULL || ! field->static_member)
2300 return field->u.s.physname;
2303 /* Write out the debugging information. This is given a handle to
2304 debugging information, and a set of function pointers to call. */
2307 debug_write (void *handle, const struct debug_write_fns *fns, void *fhandle)
2309 struct debug_handle *info = (struct debug_handle *) handle;
2310 struct debug_unit *u;
2312 /* We use a mark to tell whether we have already written out a
2313 particular name. We use an integer, so that we don't have to
2314 clear the mark fields if we happen to write out the same
2315 information more than once. */
2318 /* The base_id field holds an ID value which will never be used, so
2319 that we can tell whether we have assigned an ID during this call
2321 info->base_id = info->class_id;
2323 /* We keep a linked list of classes for which was have assigned ID's
2324 during this call to debug_write. */
2325 info->id_list = NULL;
2327 for (u = info->units; u != NULL; u = u->next)
2329 struct debug_file *f;
2330 bfd_boolean first_file;
2332 info->current_write_lineno = u->linenos;
2333 info->current_write_lineno_index = 0;
2335 if (! (*fns->start_compilation_unit) (fhandle, u->files->filename))
2339 for (f = u->files; f != NULL; f = f->next)
2341 struct debug_name *n;
2345 else if (! (*fns->start_source) (fhandle, f->filename))
2348 if (f->globals != NULL)
2349 for (n = f->globals->list; n != NULL; n = n->next)
2350 if (! debug_write_name (info, fns, fhandle, n))
2354 /* Output any line number information which hasn't already been
2356 if (! debug_write_linenos (info, fns, fhandle, (bfd_vma) -1))
2363 /* Write out an element in a namespace. */
2366 debug_write_name (struct debug_handle *info,
2367 const struct debug_write_fns *fns, void *fhandle,
2368 struct debug_name *n)
2372 case DEBUG_OBJECT_TYPE:
2373 if (! debug_write_type (info, fns, fhandle, n->u.type, n)
2374 || ! (*fns->typdef) (fhandle, n->name))
2377 case DEBUG_OBJECT_TAG:
2378 if (! debug_write_type (info, fns, fhandle, n->u.tag, n))
2380 return (*fns->tag) (fhandle, n->name);
2381 case DEBUG_OBJECT_VARIABLE:
2382 if (! debug_write_type (info, fns, fhandle, n->u.variable->type,
2383 (struct debug_name *) NULL))
2385 return (*fns->variable) (fhandle, n->name, n->u.variable->kind,
2386 n->u.variable->val);
2387 case DEBUG_OBJECT_FUNCTION:
2388 return debug_write_function (info, fns, fhandle, n->name,
2389 n->linkage, n->u.function);
2390 case DEBUG_OBJECT_INT_CONSTANT:
2391 return (*fns->int_constant) (fhandle, n->name, n->u.int_constant);
2392 case DEBUG_OBJECT_FLOAT_CONSTANT:
2393 return (*fns->float_constant) (fhandle, n->name, n->u.float_constant);
2394 case DEBUG_OBJECT_TYPED_CONSTANT:
2395 if (! debug_write_type (info, fns, fhandle, n->u.typed_constant->type,
2396 (struct debug_name *) NULL))
2398 return (*fns->typed_constant) (fhandle, n->name,
2399 n->u.typed_constant->val);
2407 /* Write out a type. If the type is DEBUG_KIND_NAMED or
2408 DEBUG_KIND_TAGGED, then the name argument is the name for which we
2409 are about to call typedef or tag. If the type is anything else,
2410 then the name argument is a tag from a DEBUG_KIND_TAGGED type which
2411 points to this one. */
2414 debug_write_type (struct debug_handle *info,
2415 const struct debug_write_fns *fns, void *fhandle,
2416 struct debug_type_s *type, struct debug_name *name)
2420 const char *tag = NULL;
2422 /* If we have a name for this type, just output it. We only output
2423 typedef names after they have been defined. We output type tags
2424 whenever we are not actually defining them. */
2425 if ((type->kind == DEBUG_KIND_NAMED
2426 || type->kind == DEBUG_KIND_TAGGED)
2427 && (type->u.knamed->name->mark == info->mark
2428 || (type->kind == DEBUG_KIND_TAGGED
2429 && type->u.knamed->name != name)))
2431 if (type->kind == DEBUG_KIND_NAMED)
2432 return (*fns->typedef_type) (fhandle, type->u.knamed->name->name);
2435 struct debug_type_s *real;
2438 real = debug_get_real_type ((void *) info, type, NULL);
2440 return (*fns->empty_type) (fhandle);
2442 if ((real->kind == DEBUG_KIND_STRUCT
2443 || real->kind == DEBUG_KIND_UNION
2444 || real->kind == DEBUG_KIND_CLASS
2445 || real->kind == DEBUG_KIND_UNION_CLASS)
2446 && real->u.kclass != NULL)
2448 if (real->u.kclass->id <= info->base_id)
2450 if (! debug_set_class_id (info,
2451 type->u.knamed->name->name,
2455 id = real->u.kclass->id;
2458 return (*fns->tag_type) (fhandle, type->u.knamed->name->name, id,
2463 /* Mark the name after we have already looked for a known name, so
2464 that we don't just define a type in terms of itself. We need to
2465 mark the name here so that a struct containing a pointer to
2466 itself will work. */
2468 name->mark = info->mark;
2471 && type->kind != DEBUG_KIND_NAMED
2472 && type->kind != DEBUG_KIND_TAGGED)
2474 assert (name->kind == DEBUG_OBJECT_TAG);
2480 case DEBUG_KIND_ILLEGAL:
2481 debug_error (_("debug_write_type: illegal type encountered"));
2483 case DEBUG_KIND_INDIRECT:
2484 if (*type->u.kindirect->slot == DEBUG_TYPE_NULL)
2485 return (*fns->empty_type) (fhandle);
2486 return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot,
2488 case DEBUG_KIND_VOID:
2489 return (*fns->void_type) (fhandle);
2490 case DEBUG_KIND_INT:
2491 return (*fns->int_type) (fhandle, type->size, type->u.kint);
2492 case DEBUG_KIND_FLOAT:
2493 return (*fns->float_type) (fhandle, type->size);
2494 case DEBUG_KIND_COMPLEX:
2495 return (*fns->complex_type) (fhandle, type->size);
2496 case DEBUG_KIND_BOOL:
2497 return (*fns->bool_type) (fhandle, type->size);
2498 case DEBUG_KIND_STRUCT:
2499 case DEBUG_KIND_UNION:
2500 if (type->u.kclass != NULL)
2502 if (type->u.kclass->id <= info->base_id)
2504 if (! debug_set_class_id (info, tag, type))
2508 if (info->mark == type->u.kclass->mark)
2510 /* We are currently outputting this struct, or we have
2511 already output it. I don't know if this can happen,
2512 but it can happen for a class. */
2513 assert (type->u.kclass->id > info->base_id);
2514 return (*fns->tag_type) (fhandle, tag, type->u.kclass->id,
2517 type->u.kclass->mark = info->mark;
2520 if (! (*fns->start_struct_type) (fhandle, tag,
2521 (type->u.kclass != NULL
2522 ? type->u.kclass->id
2524 type->kind == DEBUG_KIND_STRUCT,
2527 if (type->u.kclass != NULL
2528 && type->u.kclass->fields != NULL)
2530 for (i = 0; type->u.kclass->fields[i] != NULL; i++)
2532 struct debug_field_s *f;
2534 f = type->u.kclass->fields[i];
2535 if (! debug_write_type (info, fns, fhandle, f->type,
2536 (struct debug_name *) NULL)
2537 || ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos,
2538 f->u.f.bitsize, f->visibility))
2542 return (*fns->end_struct_type) (fhandle);
2543 case DEBUG_KIND_CLASS:
2544 case DEBUG_KIND_UNION_CLASS:
2545 return debug_write_class_type (info, fns, fhandle, type, tag);
2546 case DEBUG_KIND_ENUM:
2547 if (type->u.kenum == NULL)
2548 return (*fns->enum_type) (fhandle, tag, (const char **) NULL,
2549 (bfd_signed_vma *) NULL);
2550 return (*fns->enum_type) (fhandle, tag, type->u.kenum->names,
2551 type->u.kenum->values);
2552 case DEBUG_KIND_POINTER:
2553 if (! debug_write_type (info, fns, fhandle, type->u.kpointer,
2554 (struct debug_name *) NULL))
2556 return (*fns->pointer_type) (fhandle);
2557 case DEBUG_KIND_FUNCTION:
2558 if (! debug_write_type (info, fns, fhandle,
2559 type->u.kfunction->return_type,
2560 (struct debug_name *) NULL))
2562 if (type->u.kfunction->arg_types == NULL)
2566 for (is = 0; type->u.kfunction->arg_types[is] != NULL; is++)
2567 if (! debug_write_type (info, fns, fhandle,
2568 type->u.kfunction->arg_types[is],
2569 (struct debug_name *) NULL))
2572 return (*fns->function_type) (fhandle, is,
2573 type->u.kfunction->varargs);
2574 case DEBUG_KIND_REFERENCE:
2575 if (! debug_write_type (info, fns, fhandle, type->u.kreference,
2576 (struct debug_name *) NULL))
2578 return (*fns->reference_type) (fhandle);
2579 case DEBUG_KIND_RANGE:
2580 if (! debug_write_type (info, fns, fhandle, type->u.krange->type,
2581 (struct debug_name *) NULL))
2583 return (*fns->range_type) (fhandle, type->u.krange->lower,
2584 type->u.krange->upper);
2585 case DEBUG_KIND_ARRAY:
2586 if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type,
2587 (struct debug_name *) NULL)
2588 || ! debug_write_type (info, fns, fhandle,
2589 type->u.karray->range_type,
2590 (struct debug_name *) NULL))
2592 return (*fns->array_type) (fhandle, type->u.karray->lower,
2593 type->u.karray->upper,
2594 type->u.karray->stringp);
2595 case DEBUG_KIND_SET:
2596 if (! debug_write_type (info, fns, fhandle, type->u.kset->type,
2597 (struct debug_name *) NULL))
2599 return (*fns->set_type) (fhandle, type->u.kset->bitstringp);
2600 case DEBUG_KIND_OFFSET:
2601 if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type,
2602 (struct debug_name *) NULL)
2603 || ! debug_write_type (info, fns, fhandle,
2604 type->u.koffset->target_type,
2605 (struct debug_name *) NULL))
2607 return (*fns->offset_type) (fhandle);
2608 case DEBUG_KIND_METHOD:
2609 if (! debug_write_type (info, fns, fhandle,
2610 type->u.kmethod->return_type,
2611 (struct debug_name *) NULL))
2613 if (type->u.kmethod->arg_types == NULL)
2617 for (is = 0; type->u.kmethod->arg_types[is] != NULL; is++)
2618 if (! debug_write_type (info, fns, fhandle,
2619 type->u.kmethod->arg_types[is],
2620 (struct debug_name *) NULL))
2623 if (type->u.kmethod->domain_type != NULL)
2625 if (! debug_write_type (info, fns, fhandle,
2626 type->u.kmethod->domain_type,
2627 (struct debug_name *) NULL))
2630 return (*fns->method_type) (fhandle,
2631 type->u.kmethod->domain_type != NULL,
2633 type->u.kmethod->varargs);
2634 case DEBUG_KIND_CONST:
2635 if (! debug_write_type (info, fns, fhandle, type->u.kconst,
2636 (struct debug_name *) NULL))
2638 return (*fns->const_type) (fhandle);
2639 case DEBUG_KIND_VOLATILE:
2640 if (! debug_write_type (info, fns, fhandle, type->u.kvolatile,
2641 (struct debug_name *) NULL))
2643 return (*fns->volatile_type) (fhandle);
2644 case DEBUG_KIND_NAMED:
2645 return debug_write_type (info, fns, fhandle, type->u.knamed->type,
2646 (struct debug_name *) NULL);
2647 case DEBUG_KIND_TAGGED:
2648 return debug_write_type (info, fns, fhandle, type->u.knamed->type,
2649 type->u.knamed->name);
2656 /* Write out a class type. */
2659 debug_write_class_type (struct debug_handle *info,
2660 const struct debug_write_fns *fns, void *fhandle,
2661 struct debug_type_s *type, const char *tag)
2665 struct debug_type_s *vptrbase;
2667 if (type->u.kclass == NULL)
2674 if (type->u.kclass->id <= info->base_id)
2676 if (! debug_set_class_id (info, tag, type))
2680 if (info->mark == type->u.kclass->mark)
2682 /* We are currently outputting this class, or we have
2683 already output it. This can happen when there are
2684 methods for an anonymous class. */
2685 assert (type->u.kclass->id > info->base_id);
2686 return (*fns->tag_type) (fhandle, tag, type->u.kclass->id,
2689 type->u.kclass->mark = info->mark;
2690 id = type->u.kclass->id;
2692 vptrbase = type->u.kclass->vptrbase;
2693 if (vptrbase != NULL && vptrbase != type)
2695 if (! debug_write_type (info, fns, fhandle, vptrbase,
2696 (struct debug_name *) NULL))
2701 if (! (*fns->start_class_type) (fhandle, tag, id,
2702 type->kind == DEBUG_KIND_CLASS,
2708 if (type->u.kclass != NULL)
2710 if (type->u.kclass->fields != NULL)
2712 for (i = 0; type->u.kclass->fields[i] != NULL; i++)
2714 struct debug_field_s *f;
2716 f = type->u.kclass->fields[i];
2717 if (! debug_write_type (info, fns, fhandle, f->type,
2718 (struct debug_name *) NULL))
2720 if (f->static_member)
2722 if (! (*fns->class_static_member) (fhandle, f->name,
2729 if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos,
2730 f->u.f.bitsize, f->visibility))
2736 if (type->u.kclass->baseclasses != NULL)
2738 for (i = 0; type->u.kclass->baseclasses[i] != NULL; i++)
2740 struct debug_baseclass_s *b;
2742 b = type->u.kclass->baseclasses[i];
2743 if (! debug_write_type (info, fns, fhandle, b->type,
2744 (struct debug_name *) NULL))
2746 if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->is_virtual,
2752 if (type->u.kclass->methods != NULL)
2754 for (i = 0; type->u.kclass->methods[i] != NULL; i++)
2756 struct debug_method_s *m;
2759 m = type->u.kclass->methods[i];
2760 if (! (*fns->class_start_method) (fhandle, m->name))
2762 for (j = 0; m->variants[j] != NULL; j++)
2764 struct debug_method_variant_s *v;
2767 if (v->context != NULL)
2769 if (! debug_write_type (info, fns, fhandle, v->context,
2770 (struct debug_name *) NULL))
2773 if (! debug_write_type (info, fns, fhandle, v->type,
2774 (struct debug_name *) NULL))
2776 if (v->voffset != VOFFSET_STATIC_METHOD)
2778 if (! (*fns->class_method_variant) (fhandle, v->physname,
2783 v->context != NULL))
2788 if (! (*fns->class_static_method_variant) (fhandle,
2796 if (! (*fns->class_end_method) (fhandle))
2802 return (*fns->end_class_type) (fhandle);
2805 /* Write out information for a function. */
2808 debug_write_function (struct debug_handle *info,
2809 const struct debug_write_fns *fns, void *fhandle,
2810 const char *name, enum debug_object_linkage linkage,
2811 struct debug_function *function)
2813 struct debug_parameter *p;
2814 struct debug_block *b;
2816 if (! debug_write_linenos (info, fns, fhandle, function->blocks->start))
2819 if (! debug_write_type (info, fns, fhandle, function->return_type,
2820 (struct debug_name *) NULL))
2823 if (! (*fns->start_function) (fhandle, name,
2824 linkage == DEBUG_LINKAGE_GLOBAL))
2827 for (p = function->parameters; p != NULL; p = p->next)
2829 if (! debug_write_type (info, fns, fhandle, p->type,
2830 (struct debug_name *) NULL)
2831 || ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val))
2835 for (b = function->blocks; b != NULL; b = b->next)
2837 if (! debug_write_block (info, fns, fhandle, b))
2841 return (*fns->end_function) (fhandle);
2844 /* Write out information for a block. */
2847 debug_write_block (struct debug_handle *info,
2848 const struct debug_write_fns *fns, void *fhandle,
2849 struct debug_block *block)
2851 struct debug_name *n;
2852 struct debug_block *b;
2854 if (! debug_write_linenos (info, fns, fhandle, block->start))
2857 /* I can't see any point to writing out a block with no local
2858 variables, so we don't bother, except for the top level block. */
2859 if (block->locals != NULL || block->parent == NULL)
2861 if (! (*fns->start_block) (fhandle, block->start))
2865 if (block->locals != NULL)
2867 for (n = block->locals->list; n != NULL; n = n->next)
2869 if (! debug_write_name (info, fns, fhandle, n))
2874 for (b = block->children; b != NULL; b = b->next)
2876 if (! debug_write_block (info, fns, fhandle, b))
2880 if (! debug_write_linenos (info, fns, fhandle, block->end))
2883 if (block->locals != NULL || block->parent == NULL)
2885 if (! (*fns->end_block) (fhandle, block->end))
2892 /* Write out line number information up to ADDRESS. */
2895 debug_write_linenos (struct debug_handle *info,
2896 const struct debug_write_fns *fns, void *fhandle,
2899 while (info->current_write_lineno != NULL)
2901 struct debug_lineno *l;
2903 l = info->current_write_lineno;
2905 while (info->current_write_lineno_index < DEBUG_LINENO_COUNT)
2907 if (l->linenos[info->current_write_lineno_index]
2908 == (unsigned long) -1)
2911 if (l->addrs[info->current_write_lineno_index] >= address)
2914 if (! (*fns->lineno) (fhandle, l->file->filename,
2915 l->linenos[info->current_write_lineno_index],
2916 l->addrs[info->current_write_lineno_index]))
2919 ++info->current_write_lineno_index;
2922 info->current_write_lineno = l->next;
2923 info->current_write_lineno_index = 0;
2929 /* Get the ID number for a class. If during the same call to
2930 debug_write we find a struct with the same definition with the same
2931 name, we use the same ID. This type of things happens because the
2932 same struct will be defined by multiple compilation units. */
2935 debug_set_class_id (struct debug_handle *info, const char *tag,
2936 struct debug_type_s *type)
2938 struct debug_class_type *c;
2939 struct debug_class_id *l;
2941 assert (type->kind == DEBUG_KIND_STRUCT
2942 || type->kind == DEBUG_KIND_UNION
2943 || type->kind == DEBUG_KIND_CLASS
2944 || type->kind == DEBUG_KIND_UNION_CLASS);
2948 if (c->id > info->base_id)
2951 for (l = info->id_list; l != NULL; l = l->next)
2953 if (l->type->kind != type->kind)
2964 || l->tag[0] != tag[0]
2965 || strcmp (l->tag, tag) != 0)
2969 if (debug_type_samep (info, l->type, type))
2971 c->id = l->type->u.kclass->id;
2976 /* There are no identical types. Use a new ID, and add it to the
2979 c->id = info->class_id;
2981 l = (struct debug_class_id *) xmalloc (sizeof *l);
2982 memset (l, 0, sizeof *l);
2987 l->next = info->id_list;
2993 /* See if two types are the same. At this point, we don't care about
2994 tags and the like. */
2997 debug_type_samep (struct debug_handle *info, struct debug_type_s *t1,
2998 struct debug_type_s *t2)
3000 struct debug_type_compare_list *l;
3001 struct debug_type_compare_list top;
3009 while (t1->kind == DEBUG_KIND_INDIRECT)
3011 t1 = *t1->u.kindirect->slot;
3015 while (t2->kind == DEBUG_KIND_INDIRECT)
3017 t2 = *t2->u.kindirect->slot;
3025 /* As a special case, permit a typedef to match a tag, since C++
3026 debugging output will sometimes add a typedef where C debugging
3028 if (t1->kind == DEBUG_KIND_NAMED
3029 && t2->kind == DEBUG_KIND_TAGGED)
3030 return debug_type_samep (info, t1->u.knamed->type, t2);
3031 else if (t1->kind == DEBUG_KIND_TAGGED
3032 && t2->kind == DEBUG_KIND_NAMED)
3033 return debug_type_samep (info, t1, t2->u.knamed->type);
3035 if (t1->kind != t2->kind
3036 || t1->size != t2->size)
3039 /* Get rid of the trivial cases first. */
3044 case DEBUG_KIND_VOID:
3045 case DEBUG_KIND_FLOAT:
3046 case DEBUG_KIND_COMPLEX:
3047 case DEBUG_KIND_BOOL:
3049 case DEBUG_KIND_INT:
3050 return t1->u.kint == t2->u.kint;
3053 /* We have to avoid an infinite recursion. We do this by keeping a
3054 list of types which we are comparing. We just keep the list on
3055 the stack. If we encounter a pair of types we are currently
3056 comparing, we just assume that they are equal. */
3057 for (l = info->compare_list; l != NULL; l = l->next)
3059 if (l->t1 == t1 && l->t2 == t2)
3065 top.next = info->compare_list;
3066 info->compare_list = ⊤
3075 case DEBUG_KIND_STRUCT:
3076 case DEBUG_KIND_UNION:
3077 case DEBUG_KIND_CLASS:
3078 case DEBUG_KIND_UNION_CLASS:
3079 if (t1->u.kclass == NULL)
3080 ret = t2->u.kclass == NULL;
3081 else if (t2->u.kclass == NULL)
3083 else if (t1->u.kclass->id > info->base_id
3084 && t1->u.kclass->id == t2->u.kclass->id)
3087 ret = debug_class_type_samep (info, t1, t2);
3090 case DEBUG_KIND_ENUM:
3091 if (t1->u.kenum == NULL)
3092 ret = t2->u.kenum == NULL;
3093 else if (t2->u.kenum == NULL)
3097 const char **pn1, **pn2;
3098 bfd_signed_vma *pv1, *pv2;
3100 pn1 = t1->u.kenum->names;
3101 pn2 = t2->u.kenum->names;
3102 pv1 = t1->u.kenum->values;
3103 pv2 = t2->u.kenum->values;
3104 while (*pn1 != NULL && *pn2 != NULL)
3108 || strcmp (*pn1, *pn2) != 0)
3115 ret = *pn1 == NULL && *pn2 == NULL;
3119 case DEBUG_KIND_POINTER:
3120 ret = debug_type_samep (info, t1->u.kpointer, t2->u.kpointer);
3123 case DEBUG_KIND_FUNCTION:
3124 if (t1->u.kfunction->varargs != t2->u.kfunction->varargs
3125 || ! debug_type_samep (info, t1->u.kfunction->return_type,
3126 t2->u.kfunction->return_type)
3127 || ((t1->u.kfunction->arg_types == NULL)
3128 != (t2->u.kfunction->arg_types == NULL)))
3130 else if (t1->u.kfunction->arg_types == NULL)
3134 struct debug_type_s **a1, **a2;
3136 a1 = t1->u.kfunction->arg_types;
3137 a2 = t2->u.kfunction->arg_types;
3138 while (*a1 != NULL && *a2 != NULL)
3140 if (! debug_type_samep (info, *a1, *a2))
3145 ret = *a1 == NULL && *a2 == NULL;
3149 case DEBUG_KIND_REFERENCE:
3150 ret = debug_type_samep (info, t1->u.kreference, t2->u.kreference);
3153 case DEBUG_KIND_RANGE:
3154 ret = (t1->u.krange->lower == t2->u.krange->lower
3155 && t1->u.krange->upper == t2->u.krange->upper
3156 && debug_type_samep (info, t1->u.krange->type,
3157 t2->u.krange->type));
3160 case DEBUG_KIND_ARRAY:
3161 ret = (t1->u.karray->lower == t2->u.karray->lower
3162 && t1->u.karray->upper == t2->u.karray->upper
3163 && t1->u.karray->stringp == t2->u.karray->stringp
3164 && debug_type_samep (info, t1->u.karray->element_type,
3165 t2->u.karray->element_type));
3168 case DEBUG_KIND_SET:
3169 ret = (t1->u.kset->bitstringp == t2->u.kset->bitstringp
3170 && debug_type_samep (info, t1->u.kset->type, t2->u.kset->type));
3173 case DEBUG_KIND_OFFSET:
3174 ret = (debug_type_samep (info, t1->u.koffset->base_type,
3175 t2->u.koffset->base_type)
3176 && debug_type_samep (info, t1->u.koffset->target_type,
3177 t2->u.koffset->target_type));
3180 case DEBUG_KIND_METHOD:
3181 if (t1->u.kmethod->varargs != t2->u.kmethod->varargs
3182 || ! debug_type_samep (info, t1->u.kmethod->return_type,
3183 t2->u.kmethod->return_type)
3184 || ! debug_type_samep (info, t1->u.kmethod->domain_type,
3185 t2->u.kmethod->domain_type)
3186 || ((t1->u.kmethod->arg_types == NULL)
3187 != (t2->u.kmethod->arg_types == NULL)))
3189 else if (t1->u.kmethod->arg_types == NULL)
3193 struct debug_type_s **a1, **a2;
3195 a1 = t1->u.kmethod->arg_types;
3196 a2 = t2->u.kmethod->arg_types;
3197 while (*a1 != NULL && *a2 != NULL)
3199 if (! debug_type_samep (info, *a1, *a2))
3204 ret = *a1 == NULL && *a2 == NULL;
3208 case DEBUG_KIND_CONST:
3209 ret = debug_type_samep (info, t1->u.kconst, t2->u.kconst);
3212 case DEBUG_KIND_VOLATILE:
3213 ret = debug_type_samep (info, t1->u.kvolatile, t2->u.kvolatile);
3216 case DEBUG_KIND_NAMED:
3217 case DEBUG_KIND_TAGGED:
3218 ret = (strcmp (t1->u.knamed->name->name, t2->u.knamed->name->name) == 0
3219 && debug_type_samep (info, t1->u.knamed->type,
3220 t2->u.knamed->type));
3224 info->compare_list = top.next;
3229 /* See if two classes are the same. This is a subroutine of
3230 debug_type_samep. */
3233 debug_class_type_samep (struct debug_handle *info, struct debug_type_s *t1,
3234 struct debug_type_s *t2)
3236 struct debug_class_type *c1, *c2;
3241 if ((c1->fields == NULL) != (c2->fields == NULL)
3242 || (c1->baseclasses == NULL) != (c2->baseclasses == NULL)
3243 || (c1->methods == NULL) != (c2->methods == NULL)
3244 || (c1->vptrbase == NULL) != (c2->vptrbase == NULL))
3247 if (c1->fields != NULL)
3249 struct debug_field_s **pf1, **pf2;
3251 for (pf1 = c1->fields, pf2 = c2->fields;
3252 *pf1 != NULL && *pf2 != NULL;
3255 struct debug_field_s *f1, *f2;
3259 if (f1->name[0] != f2->name[0]
3260 || f1->visibility != f2->visibility
3261 || f1->static_member != f2->static_member)
3263 if (f1->static_member)
3265 if (strcmp (f1->u.s.physname, f2->u.s.physname) != 0)
3270 if (f1->u.f.bitpos != f2->u.f.bitpos
3271 || f1->u.f.bitsize != f2->u.f.bitsize)
3274 /* We do the checks which require function calls last. We
3275 don't require that the types of fields have the same
3276 names, since that sometimes fails in the presence of
3277 typedefs and we really don't care. */
3278 if (strcmp (f1->name, f2->name) != 0
3279 || ! debug_type_samep (info,
3280 debug_get_real_type ((void *) info,
3282 debug_get_real_type ((void *) info,
3286 if (*pf1 != NULL || *pf2 != NULL)
3290 if (c1->vptrbase != NULL)
3292 if (! debug_type_samep (info, c1->vptrbase, c2->vptrbase))
3296 if (c1->baseclasses != NULL)
3298 struct debug_baseclass_s **pb1, **pb2;
3300 for (pb1 = c1->baseclasses, pb2 = c2->baseclasses;
3301 *pb1 != NULL && *pb2 != NULL;
3304 struct debug_baseclass_s *b1, *b2;
3308 if (b1->bitpos != b2->bitpos
3309 || b1->is_virtual != b2->is_virtual
3310 || b1->visibility != b2->visibility
3311 || ! debug_type_samep (info, b1->type, b2->type))
3314 if (*pb1 != NULL || *pb2 != NULL)
3318 if (c1->methods != NULL)
3320 struct debug_method_s **pm1, **pm2;
3322 for (pm1 = c1->methods, pm2 = c2->methods;
3323 *pm1 != NULL && *pm2 != NULL;
3326 struct debug_method_s *m1, *m2;
3330 if (m1->name[0] != m2->name[0]
3331 || strcmp (m1->name, m2->name) != 0
3332 || (m1->variants == NULL) != (m2->variants == NULL))
3334 if (m1->variants == NULL)
3336 struct debug_method_variant_s **pv1, **pv2;
3338 for (pv1 = m1->variants, pv2 = m2->variants;
3339 *pv1 != NULL && *pv2 != NULL;
3342 struct debug_method_variant_s *v1, *v2;
3346 if (v1->physname[0] != v2->physname[0]
3347 || v1->visibility != v2->visibility
3348 || v1->constp != v2->constp
3349 || v1->volatilep != v2->volatilep
3350 || v1->voffset != v2->voffset
3351 || (v1->context == NULL) != (v2->context == NULL)
3352 || strcmp (v1->physname, v2->physname) != 0
3353 || ! debug_type_samep (info, v1->type, v2->type))
3355 if (v1->context != NULL)
3357 if (! debug_type_samep (info, v1->context,
3362 if (*pv1 != NULL || *pv2 != NULL)
3366 if (*pm1 != NULL || *pm2 != NULL)