Relocate symbols using an array of section_offsets, rather than a

single `addr' or `offset'.  This makes Solaris-2 support work, and
permits better VxWorks (and maybe xcoff) support later.  See ChangeLog.

1 files changed, 86 insertions, 0 deletions

diff --git a/gdb/gdb-stabs.h b/gdb/gdb-stabs.h
new file mode 100644
index 0000000..28ee98d
--- /dev/null
+++ b/gdb/gdb-stabs.h
@@ -0,0 +1,86 @@
+/* Definitions for symbol-reading containing "stabs", for GDB.
+   Copyright 1992 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.  Written by John Gilmore.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* This file exists to hold the common definitions required of all the
+   symbol-readers that end up using stabs.  The common use of these 
+   `symbol-type-specific' customizations of the generic data structures
+   makes the stabs-oriented symbol readers able to call each others'
+   functions as required.  */
+
+#if !defined (GDBSTABS_H)
+#define GDBSTABS_H
+
+/* Offsets in the psymtab's section_offsets array for various kinds of
+   stabs symbols.  Every psymtab built from stabs will have these offsets
+   filled in by these guidelines, so that when actually reading symbols, the
+   proper offset can simply be selected and added to the symbol value.  */
+
+#define	SECT_OFF_TEXT	0
+#define	SECT_OFF_DATA	1
+#define	SECT_OFF_BSS	2
+#define	SECT_OFF_RODATA	3
+#define	SECT_OFF_MAX	4		/* Count of possible values */
+
+/* The stab_section_info chain remembers info from the ELF symbol table,
+   while psymtabs are being built for the other symbol tables in the 
+   objfile.  It is destroyed at the complation of psymtab-reading.
+   Any info that was used from it has been copied into psymtabs.  */
+
+struct stab_section_info {
+  char *filename;
+  CORE_ADDR sections[SECT_OFF_MAX];
+  struct stab_section_info *next;
+  int found;		/* Count of times it's found in searching */
+};
+
+/* Information is passed among various dbxread routines for accessing
+   symbol files.  A pointer to this structure is kept in the sym_private
+   field of the objfile struct.  */
+ 
+struct dbx_symfile_info {
+  asection *text_sect;		/* Text section accessor */
+  int symcount;			/* How many symbols are there in the file */
+  char *stringtab;		/* The actual string table */
+  int stringtab_size;		/* Its size */
+  off_t symtab_offset;		/* Offset in file to symbol table */
+  int symbol_size;		/* Bytes in a single symbol */
+  struct stab_section_info *stab_section_info; 	/* section starting points
+				   of the original .o files before linking. */
+/* FIXME:  HP kludges that shouldn't be here, probably.  */
+  int hp_symcount;
+  char *hp_stringtab;
+  int hp_stringtab_size;
+  off_t hp_symtab_offset;
+};
+
+#define DBX_SYMFILE_INFO(o)	((struct dbx_symfile_info *)((o)->sym_private))
+#define DBX_TEXT_SECT(o)	(DBX_SYMFILE_INFO(o)->text_sect)
+#define DBX_SYMCOUNT(o)		(DBX_SYMFILE_INFO(o)->symcount)
+#define DBX_STRINGTAB(o)	(DBX_SYMFILE_INFO(o)->stringtab)
+#define DBX_STRINGTAB_SIZE(o)	(DBX_SYMFILE_INFO(o)->stringtab_size)
+#define DBX_SYMTAB_OFFSET(o)	(DBX_SYMFILE_INFO(o)->symtab_offset)
+#define DBX_SYMBOL_SIZE(o)	(DBX_SYMFILE_INFO(o)->symbol_size)
+/* We don't use a macro for stab_section_info.  */
+#define HP_SYMCOUNT(o)		(DBX_SYMFILE_INFO(o)->hp_symcount)
+#define HP_STRINGTAB(o)		(DBX_SYMFILE_INFO(o)->hp_stringtab)
+#define HP_STRINGTAB_SIZE(o)	(DBX_SYMFILE_INFO(o)->hp_stringtab_size)
+#define HP_SYMTAB_OFFSET(o)	(DBX_SYMFILE_INFO(o)->hp_symtab_offset)
+
+#endif /* GDBSTABS_H */