Commit | Line | Data |
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c906108c | 1 | /* Include file for stabs debugging format support functions. |
b6ba6518 | 2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
25caa7a8 | 3 | 1996, 1997, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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. | |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b JM |
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, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c | 21 | |
da3331ec AC |
22 | struct objfile; |
23 | ||
c906108c SS |
24 | /* Definitions, prototypes, etc for stabs debugging format support |
25 | functions. | |
26 | ||
27 | Variables declared in this file can be defined by #define-ing | |
28 | the name EXTERN to null. It is used to declare variables that | |
29 | are normally extern, but which get defined in a single module | |
30 | using this technique. */ | |
31 | ||
32 | #ifndef EXTERN | |
33 | #define EXTERN extern | |
34 | #endif | |
35 | ||
c906108c SS |
36 | /* Hash table of global symbols whose values are not known yet. |
37 | They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
38 | have the correct data for that slot yet. | |
39 | ||
40 | The use of the LOC_BLOCK code in this chain is nonstandard-- | |
41 | it refers to a FORTRAN common block rather than the usual meaning, and | |
42 | the such LOC_BLOCK symbols use their fields in nonstandard ways. */ | |
43 | ||
44 | EXTERN struct symbol *global_sym_chain[HASHSIZE]; | |
45 | ||
a14ed312 KB |
46 | extern void common_block_start (char *, struct objfile *); |
47 | extern void common_block_end (struct objfile *); | |
c906108c SS |
48 | |
49 | /* Kludge for xcoffread.c */ | |
50 | ||
51 | struct pending_stabs | |
c5aa993b JM |
52 | { |
53 | int count; | |
54 | int length; | |
55 | char *stab[1]; | |
56 | }; | |
c906108c SS |
57 | |
58 | EXTERN struct pending_stabs *global_stabs; | |
59 | ||
60 | /* The type code that process_one_symbol saw on its previous invocation. | |
61 | Used to detect pairs of N_SO symbols. */ | |
62 | ||
63 | EXTERN int previous_stab_code; | |
64 | \f | |
65 | /* Support for Sun changes to dbx symbol format */ | |
66 | ||
67 | /* For each identified header file, we have a table of types defined | |
68 | in that header file. | |
69 | ||
70 | header_files maps header file names to their type tables. | |
71 | It is a vector of n_header_files elements. | |
72 | Each element describes one header file. | |
73 | It contains a vector of types. | |
74 | ||
75 | Sometimes it can happen that the same header file produces | |
76 | different results when included in different places. | |
77 | This can result from conditionals or from different | |
78 | things done before including the file. | |
79 | When this happens, there are multiple entries for the file in this table, | |
80 | one entry for each distinct set of results. | |
81 | The entries are distinguished by the INSTANCE field. | |
82 | The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is | |
83 | used to match header-file references to their corresponding data. */ | |
84 | ||
85 | struct header_file | |
c5aa993b | 86 | { |
c906108c | 87 | |
c5aa993b | 88 | /* Name of header file */ |
c906108c | 89 | |
c5aa993b | 90 | char *name; |
c906108c | 91 | |
c5aa993b JM |
92 | /* Numeric code distinguishing instances of one header file that produced |
93 | different results when included. It comes from the N_BINCL or N_EXCL. */ | |
c906108c | 94 | |
c5aa993b | 95 | int instance; |
c906108c | 96 | |
c5aa993b | 97 | /* Pointer to vector of types */ |
c906108c | 98 | |
c5aa993b | 99 | struct type **vector; |
c906108c | 100 | |
c5aa993b | 101 | /* Allocated length (# elts) of that vector */ |
c906108c | 102 | |
c5aa993b JM |
103 | int length; |
104 | ||
105 | }; | |
c906108c SS |
106 | |
107 | /* The table of header_files of this OBJFILE. */ | |
108 | #define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files) | |
109 | ||
110 | /* The actual length of HEADER_FILES. */ | |
111 | #define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files) | |
112 | ||
113 | /* The allocated lengh of HEADER_FILES. */ | |
114 | #define N_ALLOCATED_HEADER_FILES(OBJFILE) \ | |
115 | (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files) | |
116 | ||
117 | /* Within each object file, various header files are assigned numbers. | |
118 | A type is defined or referred to with a pair of numbers | |
119 | (FILENUM,TYPENUM) where FILENUM is the number of the header file | |
120 | and TYPENUM is the number within that header file. | |
121 | TYPENUM is the index within the vector of types for that header file. | |
122 | ||
123 | FILENUM == 0 is special; it refers to the main source of the object file, | |
124 | and not to any header file. FILENUM != 1 is interpreted by looking it up | |
125 | in the following table, which contains indices in header_files. */ | |
126 | ||
127 | EXTERN int *this_object_header_files; | |
128 | ||
129 | EXTERN int n_this_object_header_files; | |
130 | ||
131 | EXTERN int n_allocated_this_object_header_files; | |
132 | ||
a14ed312 | 133 | extern struct type *read_type (char **, struct objfile *); |
c906108c | 134 | |
a14ed312 | 135 | extern void cleanup_undefined_types (void); |
c906108c | 136 | |
a14ed312 | 137 | extern struct type **dbx_lookup_type (int[2]); |
c906108c | 138 | |
a14ed312 | 139 | extern long read_number (char **, int); |
c906108c | 140 | |
a14ed312 | 141 | extern void add_undefined_type (struct type *); |
c906108c | 142 | |
a14ed312 KB |
143 | extern struct symbol *define_symbol (CORE_ADDR, char *, int, int, |
144 | struct objfile *); | |
c906108c | 145 | |
a14ed312 | 146 | extern void stabsread_init (void); |
c906108c | 147 | |
a14ed312 | 148 | extern void stabsread_new_init (void); |
c906108c | 149 | |
a14ed312 | 150 | extern void start_stabs (void); |
c906108c | 151 | |
a14ed312 | 152 | extern void end_stabs (void); |
c906108c | 153 | |
a14ed312 | 154 | extern void finish_global_stabs (struct objfile *objfile); |
c906108c | 155 | \f |
c906108c SS |
156 | /* COFF files can have multiple .stab sections, if they are linked |
157 | using --split-by-reloc. This linked list is used to pass the | |
158 | information into the functions in dbxread.c. */ | |
159 | struct stab_section_list | |
c5aa993b JM |
160 | { |
161 | /* Next in list. */ | |
162 | struct stab_section_list *next; | |
c906108c | 163 | |
c5aa993b JM |
164 | /* Stab section. */ |
165 | asection *section; | |
166 | }; | |
c906108c SS |
167 | \f |
168 | /* Functions exported by dbxread.c. These are not in stabsread.c because | |
169 | they are only used by some stabs readers. */ | |
170 | ||
a14ed312 KB |
171 | extern struct partial_symtab *end_psymtab (struct partial_symtab *pst, |
172 | char **include_list, | |
173 | int num_includes, | |
174 | int capping_symbol_offset, | |
175 | CORE_ADDR capping_text, | |
176 | struct partial_symtab | |
177 | **dependency_list, | |
178 | int number_dependencies, | |
179 | int textlow_not_set); | |
c906108c | 180 | |
5ae5f592 AC |
181 | extern void process_one_symbol (int, int, CORE_ADDR, char *, |
182 | struct section_offsets *, struct objfile *); | |
183 | ||
184 | extern void elfstab_build_psymtabs (struct objfile *objfile, | |
185 | int mainline, | |
086df311 | 186 | asection *stabsect, |
5ae5f592 AC |
187 | file_ptr stabstroffset, |
188 | unsigned int stabstrsize); | |
c906108c SS |
189 | |
190 | extern void coffstab_build_psymtabs | |
a14ed312 KB |
191 | (struct objfile *objfile, |
192 | int mainline, | |
193 | CORE_ADDR textaddr, unsigned int textsize, | |
194 | struct stab_section_list *stabs, | |
195 | file_ptr stabstroffset, unsigned int stabstrsize); | |
c906108c SS |
196 | |
197 | extern void stabsect_build_psymtabs | |
a14ed312 KB |
198 | (struct objfile *objfile, |
199 | int mainline, char *stab_name, char *stabstr_name, char *text_name); | |
c906108c | 200 | |
a14ed312 KB |
201 | extern void elfstab_offset_sections (struct objfile *, |
202 | struct partial_symtab *); | |
25caa7a8 EZ |
203 | #if 0 /* OBSOLETE CFront */ |
204 | // OBSOLETE extern void process_later | |
205 | // OBSOLETE (struct symbol *, char *, | |
206 | // OBSOLETE int (*f) (struct objfile *, struct symbol *, char *)); | |
207 | #endif /* OBSOLETE CFront */ | |
c906108c | 208 | |
a14ed312 | 209 | extern int symbol_reference_defined (char **); |
c906108c | 210 | |
a14ed312 | 211 | extern void ref_add (int, struct symbol *, char *, CORE_ADDR); |
c906108c | 212 | |
a14ed312 | 213 | extern struct symbol *ref_search (int); |
c906108c | 214 | |
25caa7a8 EZ |
215 | #if 0 /* OBSOLETE CFront */ |
216 | // OBSOLETE extern int resolve_cfront_continuation | |
217 | // OBSOLETE (struct objfile *objfile, struct symbol *sym, char *p); | |
218 | #endif /* OBSOLETE CFront */ | |
d3d55eeb EZ |
219 | extern void free_header_files (void); |
220 | ||
221 | extern void init_header_files (void); | |
222 | ||
c906108c | 223 | #undef EXTERN |