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c906108c | 1 | /* Include file for stabs debugging format support functions. |
197e01b6 | 2 | Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
6aba47ca DJ |
3 | 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2007 |
4 | Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c906108c | 22 | |
da3331ec AC |
23 | struct objfile; |
24 | ||
c906108c SS |
25 | /* Definitions, prototypes, etc for stabs debugging format support |
26 | functions. | |
27 | ||
28 | Variables declared in this file can be defined by #define-ing | |
29 | the name EXTERN to null. It is used to declare variables that | |
30 | are normally extern, but which get defined in a single module | |
31 | using this technique. */ | |
32 | ||
33 | #ifndef EXTERN | |
34 | #define EXTERN extern | |
35 | #endif | |
36 | ||
c906108c SS |
37 | /* Hash table of global symbols whose values are not known yet. |
38 | They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
39 | have the correct data for that slot yet. | |
40 | ||
41 | The use of the LOC_BLOCK code in this chain is nonstandard-- | |
42 | it refers to a FORTRAN common block rather than the usual meaning, and | |
43 | the such LOC_BLOCK symbols use their fields in nonstandard ways. */ | |
44 | ||
45 | EXTERN struct symbol *global_sym_chain[HASHSIZE]; | |
46 | ||
a14ed312 KB |
47 | extern void common_block_start (char *, struct objfile *); |
48 | extern void common_block_end (struct objfile *); | |
c906108c SS |
49 | |
50 | /* Kludge for xcoffread.c */ | |
51 | ||
52 | struct pending_stabs | |
c5aa993b JM |
53 | { |
54 | int count; | |
55 | int length; | |
56 | char *stab[1]; | |
57 | }; | |
c906108c SS |
58 | |
59 | EXTERN struct pending_stabs *global_stabs; | |
60 | ||
61 | /* The type code that process_one_symbol saw on its previous invocation. | |
62 | Used to detect pairs of N_SO symbols. */ | |
63 | ||
64 | EXTERN int previous_stab_code; | |
65 | \f | |
66 | /* Support for Sun changes to dbx symbol format */ | |
67 | ||
68 | /* For each identified header file, we have a table of types defined | |
69 | in that header file. | |
70 | ||
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. | |
75 | ||
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. */ | |
85 | ||
86 | struct header_file | |
c5aa993b | 87 | { |
c906108c | 88 | |
c5aa993b | 89 | /* Name of header file */ |
c906108c | 90 | |
c5aa993b | 91 | char *name; |
c906108c | 92 | |
c5aa993b JM |
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. */ | |
c906108c | 95 | |
c5aa993b | 96 | int instance; |
c906108c | 97 | |
c5aa993b | 98 | /* Pointer to vector of types */ |
c906108c | 99 | |
c5aa993b | 100 | struct type **vector; |
c906108c | 101 | |
c5aa993b | 102 | /* Allocated length (# elts) of that vector */ |
c906108c | 103 | |
c5aa993b JM |
104 | int length; |
105 | ||
106 | }; | |
c906108c SS |
107 | |
108 | /* The table of header_files of this OBJFILE. */ | |
109 | #define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files) | |
110 | ||
111 | /* The actual length of HEADER_FILES. */ | |
112 | #define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files) | |
113 | ||
114 | /* The allocated lengh of HEADER_FILES. */ | |
115 | #define N_ALLOCATED_HEADER_FILES(OBJFILE) \ | |
116 | (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files) | |
117 | ||
118 | /* Within each object file, various header files are assigned numbers. | |
119 | A type is defined or referred to with a pair of numbers | |
120 | (FILENUM,TYPENUM) where FILENUM is the number of the header file | |
121 | and TYPENUM is the number within that header file. | |
122 | TYPENUM is the index within the vector of types for that header file. | |
123 | ||
124 | FILENUM == 0 is special; it refers to the main source of the object file, | |
125 | and not to any header file. FILENUM != 1 is interpreted by looking it up | |
126 | in the following table, which contains indices in header_files. */ | |
127 | ||
128 | EXTERN int *this_object_header_files; | |
129 | ||
130 | EXTERN int n_this_object_header_files; | |
131 | ||
132 | EXTERN int n_allocated_this_object_header_files; | |
133 | ||
a14ed312 | 134 | extern void cleanup_undefined_types (void); |
c906108c | 135 | |
a14ed312 | 136 | extern long read_number (char **, int); |
c906108c | 137 | |
a14ed312 KB |
138 | extern struct symbol *define_symbol (CORE_ADDR, char *, int, int, |
139 | struct objfile *); | |
c906108c | 140 | |
a14ed312 | 141 | extern void stabsread_init (void); |
c906108c | 142 | |
a14ed312 | 143 | extern void stabsread_new_init (void); |
c906108c | 144 | |
a14ed312 | 145 | extern void start_stabs (void); |
c906108c | 146 | |
a14ed312 | 147 | extern void end_stabs (void); |
c906108c | 148 | |
a14ed312 | 149 | extern void finish_global_stabs (struct objfile *objfile); |
c906108c | 150 | \f |
c906108c SS |
151 | /* COFF files can have multiple .stab sections, if they are linked |
152 | using --split-by-reloc. This linked list is used to pass the | |
153 | information into the functions in dbxread.c. */ | |
154 | struct stab_section_list | |
c5aa993b JM |
155 | { |
156 | /* Next in list. */ | |
157 | struct stab_section_list *next; | |
c906108c | 158 | |
c5aa993b JM |
159 | /* Stab section. */ |
160 | asection *section; | |
161 | }; | |
c906108c SS |
162 | \f |
163 | /* Functions exported by dbxread.c. These are not in stabsread.c because | |
164 | they are only used by some stabs readers. */ | |
165 | ||
a14ed312 KB |
166 | extern struct partial_symtab *end_psymtab (struct partial_symtab *pst, |
167 | char **include_list, | |
168 | int num_includes, | |
169 | int capping_symbol_offset, | |
170 | CORE_ADDR capping_text, | |
171 | struct partial_symtab | |
172 | **dependency_list, | |
173 | int number_dependencies, | |
174 | int textlow_not_set); | |
c906108c | 175 | |
5ae5f592 AC |
176 | extern void process_one_symbol (int, int, CORE_ADDR, char *, |
177 | struct section_offsets *, struct objfile *); | |
178 | ||
179 | extern void elfstab_build_psymtabs (struct objfile *objfile, | |
180 | int mainline, | |
086df311 | 181 | asection *stabsect, |
5ae5f592 AC |
182 | file_ptr stabstroffset, |
183 | unsigned int stabstrsize); | |
c906108c SS |
184 | |
185 | extern void coffstab_build_psymtabs | |
a14ed312 KB |
186 | (struct objfile *objfile, |
187 | int mainline, | |
188 | CORE_ADDR textaddr, unsigned int textsize, | |
189 | struct stab_section_list *stabs, | |
190 | file_ptr stabstroffset, unsigned int stabstrsize); | |
c906108c SS |
191 | |
192 | extern void stabsect_build_psymtabs | |
a14ed312 KB |
193 | (struct objfile *objfile, |
194 | int mainline, char *stab_name, char *stabstr_name, char *text_name); | |
c906108c | 195 | |
a14ed312 KB |
196 | extern void elfstab_offset_sections (struct objfile *, |
197 | struct partial_symtab *); | |
a14ed312 | 198 | extern int symbol_reference_defined (char **); |
c906108c | 199 | |
a14ed312 | 200 | extern void ref_add (int, struct symbol *, char *, CORE_ADDR); |
c906108c | 201 | |
a14ed312 | 202 | extern struct symbol *ref_search (int); |
c906108c | 203 | |
d3d55eeb EZ |
204 | extern void free_header_files (void); |
205 | ||
206 | extern void init_header_files (void); | |
207 | ||
c906108c | 208 | #undef EXTERN |