| /* Include file for stabs debugging format support functions. |
| Copyright (C) 1986-2021 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, CORE_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 */ |