1 /* Include file for stabs debugging format support functions.
2 Copyright 1986-1991, 1992, 1993 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 /* Definitions, prototypes, etc for stabs debugging format support
23 Variables declared in this file can be defined by #define-ing
24 the name EXTERN to null. It is used to declare variables that
25 are normally extern, but which get defined in a single module
26 using this technique. */
32 /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
34 #ifndef STAB_REG_TO_REGNUM
35 #define STAB_REG_TO_REGNUM(VALUE) (VALUE)
38 /* Hash table of global symbols whose values are not known yet.
39 They are chained thru the SYMBOL_VALUE_CHAIN, since we don't
40 have the correct data for that slot yet.
42 The use of the LOC_BLOCK code in this chain is nonstandard--
43 it refers to a FORTRAN common block rather than the usual meaning. */
45 EXTERN struct symbol *global_sym_chain[HASHSIZE];
47 extern void common_block_start PARAMS ((char *, struct objfile *));
48 extern void common_block_end PARAMS ((struct objfile *));
50 /* Kludge for xcoffread.c */
59 EXTERN struct pending_stabs *global_stabs;
61 /* The type code that process_one_symbol saw on its previous invocation.
62 Used to detect pairs of N_SO symbols. */
64 EXTERN int previous_stab_code;
66 /* Support for Sun changes to dbx symbol format */
68 /* For each identified header file, we have a table of types defined
71 header_files maps header file names to their type tables.
72 It is a vector of n_header_files elements.
73 Each element describes one header file.
74 It contains a vector of types.
76 Sometimes it can happen that the same header file produces
77 different results when included in different places.
78 This can result from conditionals or from different
79 things done before including the file.
80 When this happens, there are multiple entries for the file in this table,
81 one entry for each distinct set of results.
82 The entries are distinguished by the INSTANCE field.
83 The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is
84 used to match header-file references to their corresponding data. */
89 /* Name of header file */
93 /* Numeric code distinguishing instances of one header file that produced
94 different results when included. It comes from the N_BINCL or N_EXCL. */
98 /* Pointer to vector of types */
100 struct type **vector;
102 /* Allocated length (# elts) of that vector */
108 EXTERN struct header_file *header_files;
110 EXTERN int n_header_files;
112 EXTERN int n_allocated_header_files;
114 /* Within each object file, various header files are assigned numbers.
115 A type is defined or referred to with a pair of numbers
116 (FILENUM,TYPENUM) where FILENUM is the number of the header file
117 and TYPENUM is the number within that header file.
118 TYPENUM is the index within the vector of types for that header file.
120 FILENUM == 1 is special; it refers to the main source of the object file,
121 and not to any header file. FILENUM != 1 is interpreted by looking it up
122 in the following table, which contains indices in header_files. */
124 EXTERN int *this_object_header_files;
126 EXTERN int n_this_object_header_files;
128 EXTERN int n_allocated_this_object_header_files;
130 extern struct complaint unknown_symtype_complaint;
131 extern struct complaint unknown_symchar_complaint;
134 read_type PARAMS ((char **, struct objfile *));
137 cleanup_undefined_types PARAMS ((void));
139 extern struct type **
140 dbx_lookup_type PARAMS ((int [2]));
143 read_number PARAMS ((char **, int));
146 add_undefined_type PARAMS ((struct type *));
148 extern struct symbol *
149 define_symbol PARAMS ((CORE_ADDR, char *, int, int, struct objfile *));
152 stabsread_init PARAMS ((void));
155 stabsread_new_init PARAMS ((void));
158 start_stabs PARAMS ((void));
161 end_stabs PARAMS ((void));
164 finish_global_stabs PARAMS ((struct objfile *objfile));
166 /* Functions exported by dbxread.c. These are not in stabsread.h because
167 they are only used by some stabs readers. */
169 extern struct partial_symtab *
170 start_psymtab PARAMS ((struct objfile *, struct section_offsets *, char *,
171 CORE_ADDR, int, struct partial_symbol *,
172 struct partial_symbol *));
174 extern struct partial_symtab *
175 end_psymtab PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR,
176 struct partial_symtab **, int));
179 process_one_symbol PARAMS ((int, int, CORE_ADDR, char *,
180 struct section_offsets *, struct objfile *));
183 elfstab_build_psymtabs PARAMS ((struct objfile *objfile,
184 struct section_offsets *section_offsets,
186 file_ptr staboff, unsigned int stabsize,
187 file_ptr stabstroffset,
188 unsigned int stabstrsize));
191 pastab_build_psymtabs PARAMS ((struct objfile *, struct section_offsets *,