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d07734e3 | 1 | /* Include file for stabs debugging format support functions. |
6f49b01e | 2 | Copyright 1986-1991, 1992, 1993 Free Software Foundation, Inc. |
d07734e3 FF |
3 | |
4 | This file is part of GDB. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Definitions, prototypes, etc for stabs debugging format support | |
21 | functions. | |
22 | ||
23 | Variables declared in this file can be defined by #define-ing | |
24 | the name EXTERN to null. It is used to declare variables that | |
25 | are normally extern, but which get defined in a single module | |
26 | using this technique. */ | |
27 | ||
28 | #ifndef EXTERN | |
29 | #define EXTERN extern | |
30 | #endif | |
31 | ||
32 | /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ | |
33 | ||
34 | #ifndef STAB_REG_TO_REGNUM | |
35 | #define STAB_REG_TO_REGNUM(VALUE) (VALUE) | |
36 | #endif | |
37 | ||
38 | /* Hash table of global symbols whose values are not known yet. | |
39 | They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
40 | have the correct data for that slot yet. | |
41 | ||
42 | The use of the LOC_BLOCK code in this chain is nonstandard-- | |
43 | it refers to a FORTRAN common block rather than the usual meaning. */ | |
44 | ||
45 | EXTERN struct symbol *global_sym_chain[HASHSIZE]; | |
46 | ||
47 | /* Kludge for xcoffread.c */ | |
48 | ||
49 | struct pending_stabs | |
50 | { | |
51 | int count; | |
52 | int length; | |
53 | char *stab[1]; | |
54 | }; | |
55 | ||
56 | EXTERN struct pending_stabs *global_stabs; | |
57 | ||
58 | /* List of symbols declared since the last BCOMM. This list is a tail | |
59 | of local_symbols. When ECOMM is seen, the symbols on the list | |
60 | are noted so their proper addresses can be filled in later, | |
61 | using the common block base address gotten from the assembler | |
62 | stabs. */ | |
63 | ||
64 | EXTERN struct pending *common_block; | |
65 | EXTERN int common_block_i; | |
66 | ||
67 | /* The type code that process_one_symbol saw on its previous invocation. | |
68 | Used to detect pairs of N_SO symbols. */ | |
69 | ||
70 | EXTERN int previous_stab_code; | |
d07734e3 FF |
71 | \f |
72 | /* Support for Sun changes to dbx symbol format */ | |
73 | ||
74 | /* For each identified header file, we have a table of types defined | |
75 | in that header file. | |
76 | ||
77 | header_files maps header file names to their type tables. | |
78 | It is a vector of n_header_files elements. | |
79 | Each element describes one header file. | |
80 | It contains a vector of types. | |
81 | ||
82 | Sometimes it can happen that the same header file produces | |
83 | different results when included in different places. | |
84 | This can result from conditionals or from different | |
85 | things done before including the file. | |
86 | When this happens, there are multiple entries for the file in this table, | |
87 | one entry for each distinct set of results. | |
88 | The entries are distinguished by the INSTANCE field. | |
89 | The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is | |
90 | used to match header-file references to their corresponding data. */ | |
91 | ||
92 | struct header_file | |
93 | { | |
94 | ||
95 | /* Name of header file */ | |
96 | ||
97 | char *name; | |
98 | ||
99 | /* Numeric code distinguishing instances of one header file that produced | |
100 | different results when included. It comes from the N_BINCL or N_EXCL. */ | |
101 | ||
102 | int instance; | |
103 | ||
104 | /* Pointer to vector of types */ | |
105 | ||
106 | struct type **vector; | |
107 | ||
108 | /* Allocated length (# elts) of that vector */ | |
109 | ||
110 | int length; | |
111 | ||
112 | }; | |
113 | ||
114 | EXTERN struct header_file *header_files; | |
115 | ||
116 | EXTERN int n_header_files; | |
117 | ||
118 | EXTERN int 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 == 1 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; | |
6f49b01e | 137 | extern struct complaint unknown_symchar_complaint; |
d07734e3 | 138 | |
d07734e3 FF |
139 | extern struct type * |
140 | read_type PARAMS ((char **, struct objfile *)); | |
141 | ||
142 | extern void | |
143 | cleanup_undefined_types PARAMS ((void)); | |
144 | ||
145 | extern struct type ** | |
146 | dbx_lookup_type PARAMS ((int [2])); | |
147 | ||
148 | extern long | |
149 | read_number PARAMS ((char **, int)); | |
150 | ||
151 | extern void | |
152 | add_undefined_type PARAMS ((struct type *)); | |
153 | ||
154 | extern struct symbol * | |
155 | define_symbol PARAMS ((unsigned int, char *, int, int, struct objfile *)); | |
156 | ||
2731625a JK |
157 | extern void |
158 | stabsread_init PARAMS ((void)); | |
159 | ||
160 | extern void | |
161 | stabsread_new_init PARAMS ((void)); | |
162 | ||
163 | extern void | |
164 | start_stabs PARAMS ((void)); | |
165 | ||
166 | extern void | |
167 | end_stabs PARAMS ((void)); | |
168 | ||
169 | extern void | |
170 | finish_global_stabs PARAMS ((struct objfile *objfile)); | |
171 | \f | |
172 | /* Functions exported by dbxread.c. These are not in stabsread.h because | |
173 | they are only used by some stabs readers. */ | |
174 | ||
d07734e3 FF |
175 | extern struct partial_symtab * |
176 | start_psymtab PARAMS ((struct objfile *, struct section_offsets *, char *, | |
177 | CORE_ADDR, int, struct partial_symbol *, | |
178 | struct partial_symbol *)); | |
179 | ||
180 | extern void | |
181 | end_psymtab PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR, | |
182 | struct partial_symtab **, int)); | |
183 | ||
184 | extern void | |
185 | process_one_symbol PARAMS ((int, int, CORE_ADDR, char *, | |
186 | struct section_offsets *, struct objfile *)); | |
187 | ||
188 | extern void | |
2731625a JK |
189 | elfstab_build_psymtabs PARAMS ((struct objfile *objfile, |
190 | struct section_offsets *section_offsets, | |
191 | int mainline, | |
192 | file_ptr staboff, unsigned int stabsize, | |
193 | file_ptr stabstroffset, | |
194 | unsigned int stabstrsize)); | |
d07734e3 FF |
195 | |
196 | extern void | |
2731625a JK |
197 | pastab_build_psymtabs PARAMS ((struct objfile *, struct section_offsets *, |
198 | int)); | |
d07734e3 FF |
199 | |
200 | #undef EXTERN |