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c906108c | 1 | /* Include file for stabs debugging format support functions. |
b811d2c2 | 2 | Copyright (C) 1986-2020 Free Software Foundation, Inc. |
c906108c | 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 | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 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 | 16 | You should have received a copy of the GNU General Public License |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 18 | |
1a5c2598 TT |
19 | #ifndef STABSREAD_H |
20 | #define STABSREAD_H | |
21 | ||
da3331ec | 22 | struct objfile; |
891813be | 23 | struct legacy_psymtab; |
5ffa0793 | 24 | enum language; |
da3331ec | 25 | |
c906108c | 26 | /* Definitions, prototypes, etc for stabs debugging format support |
d65d5705 | 27 | functions. */ |
c906108c | 28 | |
2150c3ef TT |
29 | #define HASHSIZE 127 /* Size of things hashed via |
30 | hashname(). */ | |
31 | ||
32 | /* Compute a small integer hash code for the given name. */ | |
33 | ||
34 | extern int hashname (const char *name); | |
35 | ||
36 | /* Count symbols as they are processed, for error messages. */ | |
37 | ||
d65d5705 | 38 | extern unsigned int symnum; |
2150c3ef TT |
39 | |
40 | #define next_symbol_text(objfile) (*next_symbol_text_func)(objfile) | |
41 | ||
42 | /* Function to invoke get the next symbol. Return the symbol name. */ | |
43 | ||
d65d5705 | 44 | extern const char *(*next_symbol_text_func) (struct objfile *); |
2150c3ef | 45 | |
6b84eeb2 TT |
46 | /* Global variable which, when set, indicates that we are processing a |
47 | .o file compiled with gcc */ | |
48 | ||
d65d5705 | 49 | extern unsigned char processing_gcc_compilation; |
6b84eeb2 | 50 | |
5985ac61 TT |
51 | /* Nonzero if within a function (so symbols should be local, if |
52 | nothing says specifically). */ | |
53 | ||
d65d5705 | 54 | extern int within_function; |
5985ac61 | 55 | |
c906108c SS |
56 | /* Hash table of global symbols whose values are not known yet. |
57 | They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
58 | have the correct data for that slot yet. | |
59 | ||
60 | The use of the LOC_BLOCK code in this chain is nonstandard-- | |
61 | it refers to a FORTRAN common block rather than the usual meaning, and | |
62 | the such LOC_BLOCK symbols use their fields in nonstandard ways. */ | |
63 | ||
d65d5705 | 64 | extern struct symbol *global_sym_chain[HASHSIZE]; |
c906108c | 65 | |
a121b7c1 | 66 | extern void common_block_start (const char *, struct objfile *); |
a14ed312 | 67 | extern void common_block_end (struct objfile *); |
c906108c SS |
68 | |
69 | /* Kludge for xcoffread.c */ | |
70 | ||
71 | struct pending_stabs | |
c5aa993b JM |
72 | { |
73 | int count; | |
74 | int length; | |
75 | char *stab[1]; | |
76 | }; | |
c906108c | 77 | |
d65d5705 | 78 | extern struct pending_stabs *global_stabs; |
c906108c SS |
79 | |
80 | /* The type code that process_one_symbol saw on its previous invocation. | |
c378eb4e | 81 | Used to detect pairs of N_SO symbols. */ |
c906108c | 82 | |
d65d5705 | 83 | extern int previous_stab_code; |
c906108c | 84 | \f |
c378eb4e | 85 | /* Support for Sun changes to dbx symbol format. */ |
c906108c SS |
86 | |
87 | /* For each identified header file, we have a table of types defined | |
88 | in that header file. | |
89 | ||
90 | header_files maps header file names to their type tables. | |
91 | It is a vector of n_header_files elements. | |
92 | Each element describes one header file. | |
93 | It contains a vector of types. | |
94 | ||
95 | Sometimes it can happen that the same header file produces | |
96 | different results when included in different places. | |
97 | This can result from conditionals or from different | |
98 | things done before including the file. | |
99 | When this happens, there are multiple entries for the file in this table, | |
100 | one entry for each distinct set of results. | |
101 | The entries are distinguished by the INSTANCE field. | |
102 | The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is | |
103 | used to match header-file references to their corresponding data. */ | |
104 | ||
105 | struct header_file | |
c5aa993b | 106 | { |
c906108c | 107 | |
c5aa993b | 108 | /* Name of header file */ |
c906108c | 109 | |
c5aa993b | 110 | char *name; |
c906108c | 111 | |
3e43a32a MS |
112 | /* Numeric code distinguishing instances of one header file that |
113 | produced different results when included. It comes from the | |
c378eb4e | 114 | N_BINCL or N_EXCL. */ |
c906108c | 115 | |
c5aa993b | 116 | int instance; |
c906108c | 117 | |
c5aa993b | 118 | /* Pointer to vector of types */ |
c906108c | 119 | |
c5aa993b | 120 | struct type **vector; |
c906108c | 121 | |
c5aa993b | 122 | /* Allocated length (# elts) of that vector */ |
c906108c | 123 | |
c5aa993b JM |
124 | int length; |
125 | ||
126 | }; | |
c906108c | 127 | |
c378eb4e | 128 | /* The table of header_files of this OBJFILE. */ |
c906108c SS |
129 | #define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files) |
130 | ||
c378eb4e | 131 | /* The actual length of HEADER_FILES. */ |
c906108c SS |
132 | #define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files) |
133 | ||
c378eb4e | 134 | /* The allocated lengh of HEADER_FILES. */ |
c906108c SS |
135 | #define N_ALLOCATED_HEADER_FILES(OBJFILE) \ |
136 | (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files) | |
137 | ||
138 | /* Within each object file, various header files are assigned numbers. | |
139 | A type is defined or referred to with a pair of numbers | |
140 | (FILENUM,TYPENUM) where FILENUM is the number of the header file | |
141 | and TYPENUM is the number within that header file. | |
142 | TYPENUM is the index within the vector of types for that header file. | |
143 | ||
144 | FILENUM == 0 is special; it refers to the main source of the object file, | |
145 | and not to any header file. FILENUM != 1 is interpreted by looking it up | |
146 | in the following table, which contains indices in header_files. */ | |
147 | ||
d65d5705 | 148 | extern int *this_object_header_files; |
c906108c | 149 | |
d65d5705 | 150 | extern int n_this_object_header_files; |
c906108c | 151 | |
d65d5705 | 152 | extern int n_allocated_this_object_header_files; |
c906108c | 153 | |
0a0edcd5 | 154 | extern void cleanup_undefined_stabs_types (struct objfile *); |
c906108c | 155 | |
a14ed312 | 156 | extern long read_number (char **, int); |
c906108c | 157 | |
a121b7c1 | 158 | extern struct symbol *define_symbol (CORE_ADDR, const char *, int, int, |
a14ed312 | 159 | struct objfile *); |
c906108c | 160 | |
a14ed312 | 161 | extern void stabsread_init (void); |
c906108c | 162 | |
a14ed312 | 163 | extern void stabsread_new_init (void); |
c906108c | 164 | |
a14ed312 | 165 | extern void start_stabs (void); |
c906108c | 166 | |
a14ed312 | 167 | extern void end_stabs (void); |
c906108c | 168 | |
a14ed312 | 169 | extern void finish_global_stabs (struct objfile *objfile); |
c906108c | 170 | \f |
c906108c SS |
171 | /* Functions exported by dbxread.c. These are not in stabsread.c because |
172 | they are only used by some stabs readers. */ | |
173 | ||
891813be TT |
174 | extern legacy_psymtab *dbx_end_psymtab |
175 | (struct objfile *objfile, legacy_psymtab *pst, | |
8763cede DE |
176 | const char **include_list, int num_includes, |
177 | int capping_symbol_offset, CORE_ADDR capping_text, | |
891813be | 178 | legacy_psymtab **dependency_list, int number_dependencies, |
8763cede | 179 | int textlow_not_set); |
c906108c | 180 | |
a121b7c1 | 181 | extern void process_one_symbol (int, int, CORE_ADDR, const char *, |
6a053cb1 | 182 | const section_offsets &, |
5ffa0793 | 183 | struct objfile *, enum language); |
5ae5f592 AC |
184 | |
185 | extern void elfstab_build_psymtabs (struct objfile *objfile, | |
086df311 | 186 | asection *stabsect, |
5ae5f592 AC |
187 | file_ptr stabstroffset, |
188 | unsigned int stabstrsize); | |
c906108c SS |
189 | |
190 | extern void coffstab_build_psymtabs | |
a14ed312 | 191 | (struct objfile *objfile, |
a14ed312 | 192 | CORE_ADDR textaddr, unsigned int textsize, |
e2a03548 | 193 | const std::vector<asection *> &stabs, |
a14ed312 | 194 | file_ptr stabstroffset, unsigned int stabstrsize); |
c906108c | 195 | |
c67a9c90 TG |
196 | extern void stabsect_build_psymtabs (struct objfile *objfile, char *stab_name, |
197 | char *stabstr_name, char *text_name); | |
c906108c | 198 | |
a121b7c1 | 199 | extern int symbol_reference_defined (const char **); |
c906108c | 200 | |
a121b7c1 | 201 | extern void ref_add (int, struct symbol *, const char *, CORE_ADDR); |
c906108c | 202 | |
a14ed312 | 203 | extern struct symbol *ref_search (int); |
c906108c | 204 | |
d3d55eeb EZ |
205 | extern void free_header_files (void); |
206 | ||
207 | extern void init_header_files (void); | |
208 | ||
77d6f1aa TT |
209 | /* Scan through all of the global symbols defined in the object file, |
210 | assigning values to the debugging symbols that need to be assigned | |
211 | to. Get these symbols from the minimal symbol table. */ | |
212 | ||
213 | extern void scan_file_globals (struct objfile *objfile); | |
1a5c2598 TT |
214 | |
215 | #endif /* STABSREAD_H */ |