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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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, and
44 the such LOC_BLOCK symbols use their fields in nonstandard ways. */
46 EXTERN
struct symbol
*global_sym_chain
[HASHSIZE
];
48 extern void common_block_start
PARAMS ((char *, struct objfile
*));
49 extern void common_block_end
PARAMS ((struct objfile
*));
51 /* Kludge for xcoffread.c */
60 EXTERN
struct pending_stabs
*global_stabs
;
62 /* The type code that process_one_symbol saw on its previous invocation.
63 Used to detect pairs of N_SO symbols. */
65 EXTERN
int previous_stab_code
;
67 /* Support for Sun changes to dbx symbol format */
69 /* For each identified header file, we have a table of types defined
72 header_files maps header file names to their type tables.
73 It is a vector of n_header_files elements.
74 Each element describes one header file.
75 It contains a vector of types.
77 Sometimes it can happen that the same header file produces
78 different results when included in different places.
79 This can result from conditionals or from different
80 things done before including the file.
81 When this happens, there are multiple entries for the file in this table,
82 one entry for each distinct set of results.
83 The entries are distinguished by the INSTANCE field.
84 The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is
85 used to match header-file references to their corresponding data. */
90 /* Name of header file */
94 /* Numeric code distinguishing instances of one header file that produced
95 different results when included. It comes from the N_BINCL or N_EXCL. */
99 /* Pointer to vector of types */
101 struct type
**vector
;
103 /* Allocated length (# elts) of that vector */
109 EXTERN
struct header_file
*header_files
;
111 EXTERN
int n_header_files
;
113 EXTERN
int n_allocated_header_files
;
115 /* Within each object file, various header files are assigned numbers.
116 A type is defined or referred to with a pair of numbers
117 (FILENUM,TYPENUM) where FILENUM is the number of the header file
118 and TYPENUM is the number within that header file.
119 TYPENUM is the index within the vector of types for that header file.
121 FILENUM == 1 is special; it refers to the main source of the object file,
122 and not to any header file. FILENUM != 1 is interpreted by looking it up
123 in the following table, which contains indices in header_files. */
125 EXTERN
int *this_object_header_files
;
127 EXTERN
int n_this_object_header_files
;
129 EXTERN
int n_allocated_this_object_header_files
;
131 extern struct complaint unknown_symtype_complaint
;
132 extern struct complaint unknown_symchar_complaint
;
135 read_type
PARAMS ((char **, struct objfile
*));
138 cleanup_undefined_types
PARAMS ((void));
140 extern struct type
**
141 dbx_lookup_type
PARAMS ((int [2]));
144 read_number
PARAMS ((char **, int));
147 add_undefined_type
PARAMS ((struct type
*));
149 extern struct symbol
*
150 define_symbol
PARAMS ((CORE_ADDR
, char *, int, int, struct objfile
*));
153 stabsread_init
PARAMS ((void));
156 stabsread_new_init
PARAMS ((void));
159 start_stabs
PARAMS ((void));
162 end_stabs
PARAMS ((void));
165 finish_global_stabs
PARAMS ((struct objfile
*objfile
));
168 resolve_cfront_continuation
PARAMS((struct objfile
* objfile
,
169 struct symbol
* sym
, char * p
));
171 EXTERN
int os9k_stabs
;
173 /* COFF files can have multiple .stab sections, if they are linked
174 using --split-by-reloc. This linked list is used to pass the
175 information into the functions in dbxread.c. */
176 struct stab_section_list
179 struct stab_section_list
*next
;
185 /* Functions exported by dbxread.c. These are not in stabsread.c because
186 they are only used by some stabs readers. */
188 extern struct partial_symtab
*
189 start_psymtab
PARAMS ((struct objfile
*, struct section_offsets
*, char *,
190 CORE_ADDR
, int, struct partial_symbol
**,
191 struct partial_symbol
**));
193 extern struct partial_symtab
*
194 end_psymtab
PARAMS ((struct partial_symtab
*pst
,
197 int capping_symbol_offset
,
198 CORE_ADDR capping_text
,
199 struct partial_symtab
**dependency_list
,
200 int number_dependencies
,
201 int textlow_not_set
));
204 process_one_symbol
PARAMS ((int, int, CORE_ADDR
, char *,
205 struct section_offsets
*, struct objfile
*));
207 extern void elfstab_build_psymtabs
208 PARAMS ((struct objfile
*objfile
,
209 struct section_offsets
*section_offsets
,
211 file_ptr staboff
, unsigned int stabsize
,
212 file_ptr stabstroffset
,
213 unsigned int stabstrsize
));
215 extern void coffstab_build_psymtabs
216 PARAMS ((struct objfile
*objfile
,
217 struct section_offsets
*section_offsets
,
219 CORE_ADDR textaddr
, unsigned int textsize
,
220 struct stab_section_list
*stabs
,
221 file_ptr stabstroffset
,
222 unsigned int stabstrsize
));
224 extern void stabsect_build_psymtabs
225 PARAMS ((struct objfile
*objfile
,
226 struct section_offsets
*section_offsets
,
232 extern void elfstab_offset_sections
PARAMS ((struct objfile
*,
233 struct partial_symtab
*));
235 extern void process_later
PARAMS ((struct symbol
*, char *));