19990502 sourceware importbinu_ss_19990502

1 files changed, 194 insertions, 0 deletions

diff --git a/gas/config/obj-elf.h b/gas/config/obj-elf.h
new file mode 100644
index 0000000..2f4bc5f
--- /dev/null
+++ b/gas/config/obj-elf.h
@@ -0,0 +1,194 @@
+/* ELF object file format.
+   Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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 1, or (at your option)
+   any later version.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+
+/* HP PA-RISC support was contributed by the Center for Software Science
+   at the University of Utah.  */
+
+#ifndef _OBJ_ELF_H
+#define _OBJ_ELF_H
+
+#define OBJ_ELF 1
+
+#define OUTPUT_FLAVOR bfd_target_elf_flavour
+
+#include <bfd.h>
+
+#define BYTES_IN_WORD 4		/* for now */
+#include "bfd/elf-bfd.h"
+
+/* Additional information we keep for each symbol.  */
+
+/* FIXME: For some reason, this structure is needed both here and in
+   obj-multi.h.  */
+#ifndef OBJ_SYMFIELD_TYPE
+struct elf_obj_sy
+{
+  /* Use this to keep track of .size expressions that involve
+     differences that we can't compute yet.  */
+  expressionS *size;
+
+  /* The name specified by the .symver directive.  */
+  char *versioned_name;
+};
+#endif
+
+#define OBJ_SYMFIELD_TYPE struct elf_obj_sy
+
+/* Symbol fields used by the ELF back end.  */
+#define ELF_TARGET_SYMBOL_FIELDS int local:1;
+
+/* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead.  */
+#define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS
+
+#include "targ-cpu.h"
+
+#ifndef FALSE
+#define FALSE 0
+#define TRUE  !FALSE
+#endif
+
+#define obj_begin() elf_begin ()
+extern void elf_begin PARAMS ((void));
+
+/* should be conditional on address size! */
+#define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd))
+
+#define S_GET_SIZE(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_size)
+#define S_SET_SIZE(S,V) \
+  (elf_symbol((S)->bsym)->internal_elf_sym.st_size = (V))
+
+#define S_GET_ALIGN(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_value)
+#define S_SET_ALIGN(S,V) \
+  (elf_symbol ((S)->bsym)->internal_elf_sym.st_value = (V))
+
+#define S_GET_OTHER(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_other)
+#define S_SET_OTHER(S,V) \
+  (elf_symbol ((S)->bsym)->internal_elf_sym.st_other = (V))
+
+extern asection *gdb_section;
+
+#define obj_frob_file  elf_frob_file
+extern void elf_frob_file PARAMS ((void));
+
+#define obj_frob_file_after_relocs  elf_frob_file_after_relocs
+extern void elf_frob_file_after_relocs PARAMS ((void));
+
+#define obj_app_file elf_file_symbol
+extern void elf_file_symbol PARAMS ((char *));
+
+extern void obj_elf_section_change_hook PARAMS ((void));
+
+extern void obj_elf_section PARAMS ((int));
+extern void obj_elf_previous PARAMS ((int));
+extern void obj_elf_version PARAMS ((int));
+
+/* BFD wants to write the udata field, which is a no-no for the
+   globally defined sections.  */
+#define obj_sec_sym_ok_for_reloc(SEC)	((SEC)->owner != 0)
+
+/* When setting one symbol equal to another, by default we probably
+   want them to have the same "size", whatever it means in the current
+   context.  */
+#define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST,SRC)			\
+do								\
+  {								\
+    if ((SRC)->sy_obj.size)					\
+      {								\
+	if ((DEST)->sy_obj.size == NULL)			\
+	  (DEST)->sy_obj.size =					\
+	    (expressionS *) xmalloc (sizeof (expressionS));	\
+	*(DEST)->sy_obj.size = *(SRC)->sy_obj.size;		\
+      }								\
+    else							\
+      {								\
+	if ((DEST)->sy_obj.size != NULL)			\
+	  free ((DEST)->sy_obj.size);				\
+	(DEST)->sy_obj.size = NULL;				\
+      }								\
+    S_SET_SIZE ((DEST), S_GET_SIZE (SRC));			\
+    S_SET_OTHER ((DEST), S_GET_OTHER (SRC));			\
+  }								\
+while (0)
+
+/* Stabs go in a separate section.  */
+#define SEPARATE_STAB_SECTIONS 1
+
+/* We need 12 bytes at the start of the section to hold some initial
+   information.  */
+extern void obj_elf_init_stab_section PARAMS ((segT));
+#define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg)
+
+#ifdef TC_ALPHA
+#define ECOFF_DEBUGGING alpha_flag_mdebug
+extern int alpha_flag_mdebug;
+#endif
+
+/* For now, always set ECOFF_DEBUGGING for a MIPS target.  */
+#ifdef TC_MIPS
+#ifdef MIPS_STABS_ELF
+#define ECOFF_DEBUGGING 0
+#else
+#define ECOFF_DEBUGGING 1
+#endif /* MIPS_STABS_ELF */
+#endif /* TC_MIPS */
+
+#ifdef ECOFF_DEBUGGING
+/* If we are generating ECOFF debugging information, we need some
+   additional fields for each symbol.  */
+#undef TARGET_SYMBOL_FIELDS
+#define TARGET_SYMBOL_FIELDS \
+  ELF_TARGET_SYMBOL_FIELDS \
+  struct efdr *ecoff_file; \
+  struct localsym *ecoff_symbol; \
+  valueT ecoff_extern_size;
+
+/* We smuggle stabs in ECOFF rather than using a separate section.
+   The Irix linker can not handle a separate stabs section.  */
+
+#undef  SEPARATE_STAB_SECTIONS
+#define SEPARATE_STAB_SECTIONS (!ECOFF_DEBUGGING)
+
+#undef  INIT_STAB_SECTION
+#define INIT_STAB_SECTION(seg) \
+  ((void)(ECOFF_DEBUGGING ? 0 : (obj_elf_init_stab_section (seg), 0)))
+
+#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc)		\
+  if (ECOFF_DEBUGGING)							\
+    ecoff_stab ((seg), (what), (string), (type), (other), (desc))
+#endif /* ECOFF_DEBUGGING */
+
+extern void elf_frob_symbol PARAMS ((struct symbol *, int *));
+#ifndef obj_frob_symbol
+#define obj_frob_symbol(symp, punt) elf_frob_symbol (symp, &punt)
+#endif
+
+extern void elf_pop_insert PARAMS ((void));
+#define obj_pop_insert()	elf_pop_insert()
+
+#ifndef OBJ_MAYBE_ELF
+#define obj_ecoff_set_ext elf_ecoff_set_ext
+#ifdef ANSI_PROTOTYPES
+struct ecoff_extr;
+#endif
+extern void elf_ecoff_set_ext PARAMS ((struct symbol *, struct ecoff_extr *));
+#endif
+
+#endif /* _OBJ_ELF_H */