| /* Include file for stabs debugging format support functions. | |
| Copyright (C) 1986-2023 Free Software Foundation, Inc. | |
| This file is part of GDB. | |
| This program is free software; you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation; either version 3 of the License, or | |
| (at your option) any later version. | |
| This program is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| #ifndef STABSREAD_H | |
| #define STABSREAD_H | |
| struct objfile; | |
| struct legacy_psymtab; | |
| enum language; | |
| /* Definitions, prototypes, etc for stabs debugging format support | |
| functions. */ | |
| #define HASHSIZE 127 /* Size of things hashed via | |
| hashname(). */ | |
| /* Compute a small integer hash code for the given name. */ | |
| extern int hashname (const char *name); | |
| /* Count symbols as they are processed, for error messages. */ | |
| extern unsigned int symnum; | |
| #define next_symbol_text(objfile) (*next_symbol_text_func)(objfile) | |
| /* Function to invoke get the next symbol. Return the symbol name. */ | |
| extern const char *(*next_symbol_text_func) (struct objfile *); | |
| /* Global variable which, when set, indicates that we are processing a | |
| .o file compiled with gcc */ | |
| extern unsigned char processing_gcc_compilation; | |
| /* Nonzero if within a function (so symbols should be local, if | |
| nothing says specifically). */ | |
| extern int within_function; | |
| /* Hash table of global symbols whose values are not known yet. | |
| They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
| have the correct data for that slot yet. | |
| The use of the LOC_BLOCK code in this chain is nonstandard-- | |
| it refers to a FORTRAN common block rather than the usual meaning, and | |
| the such LOC_BLOCK symbols use their fields in nonstandard ways. */ | |
| extern struct symbol *global_sym_chain[HASHSIZE]; | |
| extern void common_block_start (const char *, struct objfile *); | |
| extern void common_block_end (struct objfile *); | |
| /* Kludge for xcoffread.c */ | |
| struct pending_stabs | |
| { | |
| int count; | |
| int length; | |
| char *stab[1]; | |
| }; | |
| extern struct pending_stabs *global_stabs; | |
| /* The type code that process_one_symbol saw on its previous invocation. | |
| Used to detect pairs of N_SO symbols. */ | |
| extern int previous_stab_code; | |
| /* Support for Sun changes to dbx symbol format. */ | |
| /* For each identified header file, we have a table of types defined | |
| in that header file. | |
| header_files maps header file names to their type tables. | |
| It is a vector of n_header_files elements. | |
| Each element describes one header file. | |
| It contains a vector of types. | |
| Sometimes it can happen that the same header file produces | |
| different results when included in different places. | |
| This can result from conditionals or from different | |
| things done before including the file. | |
| When this happens, there are multiple entries for the file in this table, | |
| one entry for each distinct set of results. | |
| The entries are distinguished by the INSTANCE field. | |
| The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is | |
| used to match header-file references to their corresponding data. */ | |
| struct header_file | |
| { | |
| /* Name of header file */ | |
| char *name; | |
| /* Numeric code distinguishing instances of one header file that | |
| produced different results when included. It comes from the | |
| N_BINCL or N_EXCL. */ | |
| int instance; | |
| /* Pointer to vector of types */ | |
| struct type **vector; | |
| /* Allocated length (# elts) of that vector */ | |
| int length; | |
| }; | |
| /* The table of header_files of this OBJFILE. */ | |
| #define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files) | |
| /* The actual length of HEADER_FILES. */ | |
| #define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files) | |
| /* The allocated lengh of HEADER_FILES. */ | |
| #define N_ALLOCATED_HEADER_FILES(OBJFILE) \ | |
| (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files) | |
| /* Within each object file, various header files are assigned numbers. | |
| A type is defined or referred to with a pair of numbers | |
| (FILENUM,TYPENUM) where FILENUM is the number of the header file | |
| and TYPENUM is the number within that header file. | |
| TYPENUM is the index within the vector of types for that header file. | |
| FILENUM == 0 is special; it refers to the main source of the object file, | |
| and not to any header file. FILENUM != 1 is interpreted by looking it up | |
| in the following table, which contains indices in header_files. */ | |
| extern int *this_object_header_files; | |
| extern int n_this_object_header_files; | |
| extern int n_allocated_this_object_header_files; | |
| extern void cleanup_undefined_stabs_types (struct objfile *); | |
| extern long read_number (char **, int); | |
| extern struct symbol *define_symbol (CORE_ADDR, const char *, int, int, | |
| struct objfile *); | |
| extern void stabsread_init (void); | |
| extern void stabsread_new_init (void); | |
| extern void start_stabs (void); | |
| extern void end_stabs (void); | |
| extern void finish_global_stabs (struct objfile *objfile); | |
| /* Functions exported by dbxread.c. These are not in stabsread.c because | |
| they are only used by some stabs readers. */ | |
| extern legacy_psymtab *dbx_end_psymtab | |
| (struct objfile *objfile, psymtab_storage *partial_symtabs, | |
| legacy_psymtab *pst, | |
| const char **include_list, int num_includes, | |
| int capping_symbol_offset, unrelocated_addr capping_text, | |
| legacy_psymtab **dependency_list, int number_dependencies, | |
| int textlow_not_set); | |
| extern void process_one_symbol (int, int, CORE_ADDR, const char *, | |
| const section_offsets &, | |
| struct objfile *, enum language); | |
| extern void elfstab_build_psymtabs (struct objfile *objfile, | |
| asection *stabsect, | |
| file_ptr stabstroffset, | |
| unsigned int stabstrsize); | |
| extern void coffstab_build_psymtabs | |
| (struct objfile *objfile, | |
| CORE_ADDR textaddr, unsigned int textsize, | |
| const std::vector<asection *> &stabs, | |
| file_ptr stabstroffset, unsigned int stabstrsize); | |
| extern void stabsect_build_psymtabs (struct objfile *objfile, char *stab_name, | |
| char *stabstr_name, char *text_name); | |
| extern int symbol_reference_defined (const char **); | |
| extern void ref_add (int, struct symbol *, const char *, CORE_ADDR); | |
| extern struct symbol *ref_search (int); | |
| extern void free_header_files (void); | |
| extern void init_header_files (void); | |
| /* Scan through all of the global symbols defined in the object file, | |
| assigning values to the debugging symbols that need to be assigned | |
| to. Get these symbols from the minimal symbol table. */ | |
| extern void scan_file_globals (struct objfile *objfile); | |
| #endif /* STABSREAD_H */ |