d07734e31f
* Makefile.in (SFILES_MAINDIR): Add stabsread.c * Makefile.in (OBS): Add stabsread.o * Makefile.in (stabsread.o): Add build rule. * stabsread.c, stabsread.h: New files. * buildsym.c: Split out stabs specific support to stabsread.c. * buildsym.h: Split out stabs specific support to stabsread.h. * dbxread.c (stabsread.h): Include * dbxread.c (dbx_new_init): Call stabsread_new_init. * dbxread.c (dbx_psymtab_to_symtab_1): Call stabsread_init. * dbxread.c (read_ofile_symtab): Call end_stabs. * dbxread.c (process_one_symbol): Call end_stabs and start_stabs. * dbxread.c (elfstab_build_psymtabs): Call stabsread_new_init. * dwarfread.c (psymtab_to_symtab_1): Call buildsym_init, add really_free_pendings to cleanups. * elfread.c (elf_new_init): Call stabsread_new_init. * gdbtypes.c: Small changes to maintenance commands. * mipsread.c (stabsread.h): Include. * mipsread.c (psymtab_to_symtab_1): Call end_stabs. * xcoffread.c (stabsread.h): Include. * xcoffread.c (global_stabs): Remove redundant def. * xcoffread.c (read_xcoff_symtab): Call start_stabs and end_stabs.
197 lines
5.6 KiB
C
197 lines
5.6 KiB
C
/* Include file for stabs debugging format support functions.
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Copyright (C) 1986-1992 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Definitions, prototypes, etc for stabs debugging format support
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functions.
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Variables declared in this file can be defined by #define-ing
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the name EXTERN to null. It is used to declare variables that
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are normally extern, but which get defined in a single module
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using this technique. */
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#ifndef EXTERN
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#define EXTERN extern
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#endif
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/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
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#ifndef STAB_REG_TO_REGNUM
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#define STAB_REG_TO_REGNUM(VALUE) (VALUE)
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#endif
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/* Hash table of global symbols whose values are not known yet.
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They are chained thru the SYMBOL_VALUE_CHAIN, since we don't
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have the correct data for that slot yet.
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The use of the LOC_BLOCK code in this chain is nonstandard--
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it refers to a FORTRAN common block rather than the usual meaning. */
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EXTERN struct symbol *global_sym_chain[HASHSIZE];
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/* Kludge for xcoffread.c */
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struct pending_stabs
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{
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int count;
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int length;
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char *stab[1];
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};
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EXTERN struct pending_stabs *global_stabs;
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/* List of symbols declared since the last BCOMM. This list is a tail
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of local_symbols. When ECOMM is seen, the symbols on the list
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are noted so their proper addresses can be filled in later,
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using the common block base address gotten from the assembler
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stabs. */
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EXTERN struct pending *common_block;
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EXTERN int common_block_i;
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/* The type code that process_one_symbol saw on its previous invocation.
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Used to detect pairs of N_SO symbols. */
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EXTERN int previous_stab_code;
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/* Setup a define to deal cleanly with the underscore problem */
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#ifdef NAMES_HAVE_UNDERSCORE
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#define HASH_OFFSET 1
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#else
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#define HASH_OFFSET 0
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#endif
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/* Support for Sun changes to dbx symbol format */
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/* For each identified header file, we have a table of types defined
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in that header file.
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header_files maps header file names to their type tables.
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It is a vector of n_header_files elements.
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Each element describes one header file.
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It contains a vector of types.
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Sometimes it can happen that the same header file produces
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different results when included in different places.
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This can result from conditionals or from different
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things done before including the file.
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When this happens, there are multiple entries for the file in this table,
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one entry for each distinct set of results.
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The entries are distinguished by the INSTANCE field.
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The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is
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used to match header-file references to their corresponding data. */
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struct header_file
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{
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/* Name of header file */
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char *name;
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/* Numeric code distinguishing instances of one header file that produced
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different results when included. It comes from the N_BINCL or N_EXCL. */
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int instance;
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/* Pointer to vector of types */
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struct type **vector;
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/* Allocated length (# elts) of that vector */
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int length;
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};
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EXTERN struct header_file *header_files;
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EXTERN int n_header_files;
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EXTERN int n_allocated_header_files;
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/* Within each object file, various header files are assigned numbers.
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A type is defined or referred to with a pair of numbers
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(FILENUM,TYPENUM) where FILENUM is the number of the header file
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and TYPENUM is the number within that header file.
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TYPENUM is the index within the vector of types for that header file.
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FILENUM == 1 is special; it refers to the main source of the object file,
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and not to any header file. FILENUM != 1 is interpreted by looking it up
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in the following table, which contains indices in header_files. */
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EXTERN int *this_object_header_files;
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EXTERN int n_this_object_header_files;
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EXTERN int n_allocated_this_object_header_files;
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extern struct complaint unknown_symtype_complaint;
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extern void
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read_type_number PARAMS ((char **, int *));
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extern struct type *
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read_type PARAMS ((char **, struct objfile *));
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extern void
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cleanup_undefined_types PARAMS ((void));
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extern struct type **
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dbx_lookup_type PARAMS ((int [2]));
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extern long
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read_number PARAMS ((char **, int));
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extern void
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add_undefined_type PARAMS ((struct type *));
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extern struct symbol *
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define_symbol PARAMS ((unsigned int, char *, int, int, struct objfile *));
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extern struct partial_symtab *
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start_psymtab PARAMS ((struct objfile *, struct section_offsets *, char *,
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CORE_ADDR, int, struct partial_symbol *,
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struct partial_symbol *));
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extern void
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end_psymtab PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR,
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struct partial_symtab **, int));
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extern void
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process_one_symbol PARAMS ((int, int, CORE_ADDR, char *,
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struct section_offsets *, struct objfile *));
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extern void
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stabsread_init PARAMS ((void));
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extern void
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stabsread_new_init PARAMS ((void));
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extern void
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start_stabs PARAMS ((void));
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extern void
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end_stabs PARAMS ((void));
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extern void
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finish_global_stabs PARAMS ((struct objfile *objfile));
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#undef EXTERN
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