From c906108c21474dfb4ed285bcc0ac6fe02cd400cc Mon Sep 17 00:00:00 2001 From: Stan Shebs Date: Fri, 16 Apr 1999 01:35:26 +0000 Subject: Initial creation of sourceware repository --- gdb/stabsread.h | 249 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 249 insertions(+) create mode 100644 gdb/stabsread.h (limited to 'gdb/stabsread.h') diff --git a/gdb/stabsread.h b/gdb/stabsread.h new file mode 100644 index 0000000..77ea291 --- /dev/null +++ b/gdb/stabsread.h @@ -0,0 +1,249 @@ +/* Include file for stabs debugging format support functions. + Copyright 1986-1991, 1992, 1993 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 2 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, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* Definitions, prototypes, etc for stabs debugging format support + functions. + + Variables declared in this file can be defined by #define-ing + the name EXTERN to null. It is used to declare variables that + are normally extern, but which get defined in a single module + using this technique. */ + +#ifndef EXTERN +#define EXTERN extern +#endif + +/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ + +#ifndef STAB_REG_TO_REGNUM +#define STAB_REG_TO_REGNUM(VALUE) (VALUE) +#endif + +/* 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 PARAMS ((char *, struct objfile *)); +extern void common_block_end PARAMS ((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 struct complaint unknown_symtype_complaint; +extern struct complaint unknown_symchar_complaint; + +extern struct type * +read_type PARAMS ((char **, struct objfile *)); + +extern void +cleanup_undefined_types PARAMS ((void)); + +extern struct type ** +dbx_lookup_type PARAMS ((int [2])); + +extern long +read_number PARAMS ((char **, int)); + +extern void +add_undefined_type PARAMS ((struct type *)); + +extern struct symbol * +define_symbol PARAMS ((CORE_ADDR, char *, int, int, struct objfile *)); + +extern void +stabsread_init PARAMS ((void)); + +extern void +stabsread_new_init PARAMS ((void)); + +extern void +start_stabs PARAMS ((void)); + +extern void +end_stabs PARAMS ((void)); + +extern void +finish_global_stabs PARAMS ((struct objfile *objfile)); + + +EXTERN int os9k_stabs; + +/* COFF files can have multiple .stab sections, if they are linked + using --split-by-reloc. This linked list is used to pass the + information into the functions in dbxread.c. */ +struct stab_section_list +{ + /* Next in list. */ + struct stab_section_list *next; + + /* Stab section. */ + asection *section; +}; + +/* Functions exported by dbxread.c. These are not in stabsread.c because + they are only used by some stabs readers. */ + +extern struct partial_symtab * +start_psymtab PARAMS ((struct objfile *, struct section_offsets *, char *, + CORE_ADDR, int, struct partial_symbol **, + struct partial_symbol **)); + +extern struct partial_symtab * +end_psymtab PARAMS ((struct partial_symtab *pst, + char **include_list, + int num_includes, + int capping_symbol_offset, + CORE_ADDR capping_text, + struct partial_symtab **dependency_list, + int number_dependencies, + int textlow_not_set)); + +extern void +process_one_symbol PARAMS ((int, int, CORE_ADDR, char *, + struct section_offsets *, struct objfile *)); + +extern void elfstab_build_psymtabs + PARAMS ((struct objfile *objfile, + struct section_offsets *section_offsets, + int mainline, + file_ptr staboff, unsigned int stabsize, + file_ptr stabstroffset, + unsigned int stabstrsize)); + +extern void coffstab_build_psymtabs + PARAMS ((struct objfile *objfile, + struct section_offsets *section_offsets, + int mainline, + CORE_ADDR textaddr, unsigned int textsize, + struct stab_section_list *stabs, + file_ptr stabstroffset, + unsigned int stabstrsize)); + +extern void stabsect_build_psymtabs + PARAMS ((struct objfile *objfile, + struct section_offsets *section_offsets, + int mainline, + char *stab_name, + char *stabstr_name, + char *text_name)); + +extern void elfstab_offset_sections PARAMS ((struct objfile *, + struct partial_symtab *)); + +extern void process_later + PARAMS ((struct symbol *, char *, + int (*f) PARAMS ((struct objfile *, struct symbol *, char *)))); + +extern int symbol_reference_defined PARAMS ((char **)); + +extern void ref_add PARAMS ((int, struct symbol *, char *, CORE_ADDR)); + +extern struct symbol * ref_search PARAMS ((int)); + +extern int resolve_cfront_continuation + PARAMS ((struct objfile * objfile, struct symbol * sym, char * p)); + +#undef EXTERN -- cgit v1.1