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c906108c SS |
1 | /* Include file for stabs debugging format support functions. |
2 | Copyright 1986-1991, 1992, 1993 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
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. | |
c906108c | 10 | |
c5aa993b JM |
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. | |
c906108c | 15 | |
c5aa993b JM |
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, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | /* Definitions, prototypes, etc for stabs debugging format support | |
22 | functions. | |
23 | ||
24 | Variables declared in this file can be defined by #define-ing | |
25 | the name EXTERN to null. It is used to declare variables that | |
26 | are normally extern, but which get defined in a single module | |
27 | using this technique. */ | |
28 | ||
29 | #ifndef EXTERN | |
30 | #define EXTERN extern | |
31 | #endif | |
32 | ||
33 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ | |
34 | ||
35 | #ifndef STAB_REG_TO_REGNUM | |
36 | #define STAB_REG_TO_REGNUM(VALUE) (VALUE) | |
37 | #endif | |
38 | ||
39 | /* Hash table of global symbols whose values are not known yet. | |
40 | They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
41 | have the correct data for that slot yet. | |
42 | ||
43 | The use of the LOC_BLOCK code in this chain is nonstandard-- | |
44 | it refers to a FORTRAN common block rather than the usual meaning, and | |
45 | the such LOC_BLOCK symbols use their fields in nonstandard ways. */ | |
46 | ||
47 | EXTERN struct symbol *global_sym_chain[HASHSIZE]; | |
48 | ||
a14ed312 KB |
49 | extern void common_block_start (char *, struct objfile *); |
50 | extern void common_block_end (struct objfile *); | |
c906108c SS |
51 | |
52 | /* Kludge for xcoffread.c */ | |
53 | ||
54 | struct pending_stabs | |
c5aa993b JM |
55 | { |
56 | int count; | |
57 | int length; | |
58 | char *stab[1]; | |
59 | }; | |
c906108c SS |
60 | |
61 | EXTERN struct pending_stabs *global_stabs; | |
62 | ||
63 | /* The type code that process_one_symbol saw on its previous invocation. | |
64 | Used to detect pairs of N_SO symbols. */ | |
65 | ||
66 | EXTERN int previous_stab_code; | |
67 | \f | |
68 | /* Support for Sun changes to dbx symbol format */ | |
69 | ||
70 | /* For each identified header file, we have a table of types defined | |
71 | in that header file. | |
72 | ||
73 | header_files maps header file names to their type tables. | |
74 | It is a vector of n_header_files elements. | |
75 | Each element describes one header file. | |
76 | It contains a vector of types. | |
77 | ||
78 | Sometimes it can happen that the same header file produces | |
79 | different results when included in different places. | |
80 | This can result from conditionals or from different | |
81 | things done before including the file. | |
82 | When this happens, there are multiple entries for the file in this table, | |
83 | one entry for each distinct set of results. | |
84 | The entries are distinguished by the INSTANCE field. | |
85 | The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is | |
86 | used to match header-file references to their corresponding data. */ | |
87 | ||
88 | struct header_file | |
c5aa993b | 89 | { |
c906108c | 90 | |
c5aa993b | 91 | /* Name of header file */ |
c906108c | 92 | |
c5aa993b | 93 | char *name; |
c906108c | 94 | |
c5aa993b JM |
95 | /* Numeric code distinguishing instances of one header file that produced |
96 | different results when included. It comes from the N_BINCL or N_EXCL. */ | |
c906108c | 97 | |
c5aa993b | 98 | int instance; |
c906108c | 99 | |
c5aa993b | 100 | /* Pointer to vector of types */ |
c906108c | 101 | |
c5aa993b | 102 | struct type **vector; |
c906108c | 103 | |
c5aa993b | 104 | /* Allocated length (# elts) of that vector */ |
c906108c | 105 | |
c5aa993b JM |
106 | int length; |
107 | ||
108 | }; | |
c906108c SS |
109 | |
110 | /* The table of header_files of this OBJFILE. */ | |
111 | #define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files) | |
112 | ||
113 | /* The actual length of HEADER_FILES. */ | |
114 | #define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files) | |
115 | ||
116 | /* The allocated lengh of HEADER_FILES. */ | |
117 | #define N_ALLOCATED_HEADER_FILES(OBJFILE) \ | |
118 | (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files) | |
119 | ||
120 | /* Within each object file, various header files are assigned numbers. | |
121 | A type is defined or referred to with a pair of numbers | |
122 | (FILENUM,TYPENUM) where FILENUM is the number of the header file | |
123 | and TYPENUM is the number within that header file. | |
124 | TYPENUM is the index within the vector of types for that header file. | |
125 | ||
126 | FILENUM == 0 is special; it refers to the main source of the object file, | |
127 | and not to any header file. FILENUM != 1 is interpreted by looking it up | |
128 | in the following table, which contains indices in header_files. */ | |
129 | ||
130 | EXTERN int *this_object_header_files; | |
131 | ||
132 | EXTERN int n_this_object_header_files; | |
133 | ||
134 | EXTERN int n_allocated_this_object_header_files; | |
135 | ||
136 | extern struct complaint unknown_symtype_complaint; | |
137 | extern struct complaint unknown_symchar_complaint; | |
138 | ||
a14ed312 | 139 | extern struct type *read_type (char **, struct objfile *); |
c906108c | 140 | |
a14ed312 | 141 | extern void cleanup_undefined_types (void); |
c906108c | 142 | |
a14ed312 | 143 | extern struct type **dbx_lookup_type (int[2]); |
c906108c | 144 | |
a14ed312 | 145 | extern long read_number (char **, int); |
c906108c | 146 | |
a14ed312 | 147 | extern void add_undefined_type (struct type *); |
c906108c | 148 | |
a14ed312 KB |
149 | extern struct symbol *define_symbol (CORE_ADDR, char *, int, int, |
150 | struct objfile *); | |
c906108c | 151 | |
a14ed312 | 152 | extern void stabsread_init (void); |
c906108c | 153 | |
a14ed312 | 154 | extern void stabsread_new_init (void); |
c906108c | 155 | |
a14ed312 | 156 | extern void start_stabs (void); |
c906108c | 157 | |
a14ed312 | 158 | extern void end_stabs (void); |
c906108c | 159 | |
a14ed312 | 160 | extern void finish_global_stabs (struct objfile *objfile); |
c906108c | 161 | \f |
c5aa993b | 162 | |
c906108c SS |
163 | EXTERN int os9k_stabs; |
164 | \f | |
165 | /* COFF files can have multiple .stab sections, if they are linked | |
166 | using --split-by-reloc. This linked list is used to pass the | |
167 | information into the functions in dbxread.c. */ | |
168 | struct stab_section_list | |
c5aa993b JM |
169 | { |
170 | /* Next in list. */ | |
171 | struct stab_section_list *next; | |
c906108c | 172 | |
c5aa993b JM |
173 | /* Stab section. */ |
174 | asection *section; | |
175 | }; | |
c906108c SS |
176 | \f |
177 | /* Functions exported by dbxread.c. These are not in stabsread.c because | |
178 | they are only used by some stabs readers. */ | |
179 | ||
a14ed312 KB |
180 | extern struct partial_symtab *end_psymtab (struct partial_symtab *pst, |
181 | char **include_list, | |
182 | int num_includes, | |
183 | int capping_symbol_offset, | |
184 | CORE_ADDR capping_text, | |
185 | struct partial_symtab | |
186 | **dependency_list, | |
187 | int number_dependencies, | |
188 | int textlow_not_set); | |
c906108c SS |
189 | |
190 | extern void | |
a14ed312 KB |
191 | process_one_symbol (int, int, CORE_ADDR, char *, |
192 | struct section_offsets *, struct objfile *); | |
c906108c SS |
193 | |
194 | extern void elfstab_build_psymtabs | |
a14ed312 KB |
195 | (struct objfile *objfile, |
196 | int mainline, | |
197 | file_ptr staboff, unsigned int stabsize, | |
198 | file_ptr stabstroffset, unsigned int stabstrsize); | |
c906108c SS |
199 | |
200 | extern void coffstab_build_psymtabs | |
a14ed312 KB |
201 | (struct objfile *objfile, |
202 | int mainline, | |
203 | CORE_ADDR textaddr, unsigned int textsize, | |
204 | struct stab_section_list *stabs, | |
205 | file_ptr stabstroffset, unsigned int stabstrsize); | |
c906108c SS |
206 | |
207 | extern void stabsect_build_psymtabs | |
a14ed312 KB |
208 | (struct objfile *objfile, |
209 | int mainline, char *stab_name, char *stabstr_name, char *text_name); | |
c906108c | 210 | |
a14ed312 KB |
211 | extern void elfstab_offset_sections (struct objfile *, |
212 | struct partial_symtab *); | |
c906108c | 213 | |
c5aa993b | 214 | extern void process_later |
a14ed312 | 215 | (struct symbol *, char *, |
507f3c78 | 216 | int (*f) (struct objfile *, struct symbol *, char *)); |
c906108c | 217 | |
a14ed312 | 218 | extern int symbol_reference_defined (char **); |
c906108c | 219 | |
a14ed312 | 220 | extern void ref_add (int, struct symbol *, char *, CORE_ADDR); |
c906108c | 221 | |
a14ed312 | 222 | extern struct symbol *ref_search (int); |
c906108c | 223 | |
c5aa993b | 224 | extern int resolve_cfront_continuation |
a14ed312 | 225 | (struct objfile *objfile, struct symbol *sym, char *p); |
c906108c SS |
226 | |
227 | #undef EXTERN |