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c906108c | 1 | /* Include file for stabs debugging format support functions. |
b6ba6518 KB |
2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
3 | 1996, 1997, 1999, 2000 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 SS |
21 | |
22 | /* Definitions, prototypes, etc for stabs debugging format support | |
23 | functions. | |
24 | ||
25 | Variables declared in this file can be defined by #define-ing | |
26 | the name EXTERN to null. It is used to declare variables that | |
27 | are normally extern, but which get defined in a single module | |
28 | using this technique. */ | |
29 | ||
30 | #ifndef EXTERN | |
31 | #define EXTERN extern | |
32 | #endif | |
33 | ||
c906108c SS |
34 | /* Hash table of global symbols whose values are not known yet. |
35 | They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
36 | have the correct data for that slot yet. | |
37 | ||
38 | The use of the LOC_BLOCK code in this chain is nonstandard-- | |
39 | it refers to a FORTRAN common block rather than the usual meaning, and | |
40 | the such LOC_BLOCK symbols use their fields in nonstandard ways. */ | |
41 | ||
42 | EXTERN struct symbol *global_sym_chain[HASHSIZE]; | |
43 | ||
a14ed312 KB |
44 | extern void common_block_start (char *, struct objfile *); |
45 | extern void common_block_end (struct objfile *); | |
c906108c SS |
46 | |
47 | /* Kludge for xcoffread.c */ | |
48 | ||
49 | struct pending_stabs | |
c5aa993b JM |
50 | { |
51 | int count; | |
52 | int length; | |
53 | char *stab[1]; | |
54 | }; | |
c906108c SS |
55 | |
56 | EXTERN struct pending_stabs *global_stabs; | |
57 | ||
58 | /* The type code that process_one_symbol saw on its previous invocation. | |
59 | Used to detect pairs of N_SO symbols. */ | |
60 | ||
61 | EXTERN int previous_stab_code; | |
62 | \f | |
63 | /* Support for Sun changes to dbx symbol format */ | |
64 | ||
65 | /* For each identified header file, we have a table of types defined | |
66 | in that header file. | |
67 | ||
68 | header_files maps header file names to their type tables. | |
69 | It is a vector of n_header_files elements. | |
70 | Each element describes one header file. | |
71 | It contains a vector of types. | |
72 | ||
73 | Sometimes it can happen that the same header file produces | |
74 | different results when included in different places. | |
75 | This can result from conditionals or from different | |
76 | things done before including the file. | |
77 | When this happens, there are multiple entries for the file in this table, | |
78 | one entry for each distinct set of results. | |
79 | The entries are distinguished by the INSTANCE field. | |
80 | The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is | |
81 | used to match header-file references to their corresponding data. */ | |
82 | ||
83 | struct header_file | |
c5aa993b | 84 | { |
c906108c | 85 | |
c5aa993b | 86 | /* Name of header file */ |
c906108c | 87 | |
c5aa993b | 88 | char *name; |
c906108c | 89 | |
c5aa993b JM |
90 | /* Numeric code distinguishing instances of one header file that produced |
91 | different results when included. It comes from the N_BINCL or N_EXCL. */ | |
c906108c | 92 | |
c5aa993b | 93 | int instance; |
c906108c | 94 | |
c5aa993b | 95 | /* Pointer to vector of types */ |
c906108c | 96 | |
c5aa993b | 97 | struct type **vector; |
c906108c | 98 | |
c5aa993b | 99 | /* Allocated length (# elts) of that vector */ |
c906108c | 100 | |
c5aa993b JM |
101 | int length; |
102 | ||
103 | }; | |
c906108c SS |
104 | |
105 | /* The table of header_files of this OBJFILE. */ | |
106 | #define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files) | |
107 | ||
108 | /* The actual length of HEADER_FILES. */ | |
109 | #define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files) | |
110 | ||
111 | /* The allocated lengh of HEADER_FILES. */ | |
112 | #define N_ALLOCATED_HEADER_FILES(OBJFILE) \ | |
113 | (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files) | |
114 | ||
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. | |
120 | ||
121 | FILENUM == 0 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. */ | |
124 | ||
125 | EXTERN int *this_object_header_files; | |
126 | ||
127 | EXTERN int n_this_object_header_files; | |
128 | ||
129 | EXTERN int n_allocated_this_object_header_files; | |
130 | ||
a14ed312 | 131 | extern struct type *read_type (char **, struct objfile *); |
c906108c | 132 | |
a14ed312 | 133 | extern void cleanup_undefined_types (void); |
c906108c | 134 | |
a14ed312 | 135 | extern struct type **dbx_lookup_type (int[2]); |
c906108c | 136 | |
a14ed312 | 137 | extern long read_number (char **, int); |
c906108c | 138 | |
a14ed312 | 139 | extern void add_undefined_type (struct type *); |
c906108c | 140 | |
a14ed312 KB |
141 | extern struct symbol *define_symbol (CORE_ADDR, char *, int, int, |
142 | struct objfile *); | |
c906108c | 143 | |
a14ed312 | 144 | extern void stabsread_init (void); |
c906108c | 145 | |
a14ed312 | 146 | extern void stabsread_new_init (void); |
c906108c | 147 | |
a14ed312 | 148 | extern void start_stabs (void); |
c906108c | 149 | |
a14ed312 | 150 | extern void end_stabs (void); |
c906108c | 151 | |
a14ed312 | 152 | extern void finish_global_stabs (struct objfile *objfile); |
c906108c | 153 | \f |
cdecafbe EZ |
154 | #if 0 /* OBSOLETE OS9K */ |
155 | // OBSOLETE EXTERN int os9k_stabs; | |
156 | #endif /* OBSOLETE OS9K */ | |
c906108c SS |
157 | \f |
158 | /* COFF files can have multiple .stab sections, if they are linked | |
159 | using --split-by-reloc. This linked list is used to pass the | |
160 | information into the functions in dbxread.c. */ | |
161 | struct stab_section_list | |
c5aa993b JM |
162 | { |
163 | /* Next in list. */ | |
164 | struct stab_section_list *next; | |
c906108c | 165 | |
c5aa993b JM |
166 | /* Stab section. */ |
167 | asection *section; | |
168 | }; | |
c906108c SS |
169 | \f |
170 | /* Functions exported by dbxread.c. These are not in stabsread.c because | |
171 | they are only used by some stabs readers. */ | |
172 | ||
a14ed312 KB |
173 | extern struct partial_symtab *end_psymtab (struct partial_symtab *pst, |
174 | char **include_list, | |
175 | int num_includes, | |
176 | int capping_symbol_offset, | |
177 | CORE_ADDR capping_text, | |
178 | struct partial_symtab | |
179 | **dependency_list, | |
180 | int number_dependencies, | |
181 | int textlow_not_set); | |
c906108c | 182 | |
5ae5f592 AC |
183 | extern void process_one_symbol (int, int, CORE_ADDR, char *, |
184 | struct section_offsets *, struct objfile *); | |
185 | ||
186 | extern void elfstab_build_psymtabs (struct objfile *objfile, | |
187 | int mainline, | |
188 | file_ptr staboff, unsigned int stabsize, | |
189 | file_ptr stabstroffset, | |
190 | unsigned int stabstrsize); | |
c906108c SS |
191 | |
192 | extern void coffstab_build_psymtabs | |
a14ed312 KB |
193 | (struct objfile *objfile, |
194 | int mainline, | |
195 | CORE_ADDR textaddr, unsigned int textsize, | |
196 | struct stab_section_list *stabs, | |
197 | file_ptr stabstroffset, unsigned int stabstrsize); | |
c906108c SS |
198 | |
199 | extern void stabsect_build_psymtabs | |
a14ed312 KB |
200 | (struct objfile *objfile, |
201 | int mainline, char *stab_name, char *stabstr_name, char *text_name); | |
c906108c | 202 | |
a14ed312 KB |
203 | extern void elfstab_offset_sections (struct objfile *, |
204 | struct partial_symtab *); | |
c906108c | 205 | |
c5aa993b | 206 | extern void process_later |
a14ed312 | 207 | (struct symbol *, char *, |
507f3c78 | 208 | int (*f) (struct objfile *, struct symbol *, char *)); |
c906108c | 209 | |
a14ed312 | 210 | extern int symbol_reference_defined (char **); |
c906108c | 211 | |
a14ed312 | 212 | extern void ref_add (int, struct symbol *, char *, CORE_ADDR); |
c906108c | 213 | |
a14ed312 | 214 | extern struct symbol *ref_search (int); |
c906108c | 215 | |
c5aa993b | 216 | extern int resolve_cfront_continuation |
a14ed312 | 217 | (struct objfile *objfile, struct symbol *sym, char *p); |
c906108c | 218 | |
d3d55eeb EZ |
219 | extern void free_header_files (void); |
220 | ||
221 | extern void init_header_files (void); | |
222 | ||
c906108c | 223 | #undef EXTERN |