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/* 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)
/* For now, always set ECOFF_DEBUGGING for an Alpha target. */
#ifdef TC_ALPHA
#define ECOFF_DEBUGGING 1
#endif
/* For now, always set ECOFF_DEBUGGING for a MIPS target. */
#ifdef TC_MIPS
#define ECOFF_DEBUGGING 1
#endif
#if 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
#undef INIT_STAB_SECTION
#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
ecoff_stab ((seg), (what), (string), (type), (other), (desc))
#define OBJ_GENERATE_ASM_LINENO(filename, lineno) \
ecoff_generate_asm_lineno ((filename), (lineno))
#endif /* ECOFF_DEBUGGING */
extern void elf_frob_symbol PARAMS ((struct symbol *, int *));
#define obj_frob_symbol(symp, punt) elf_frob_symbol (symp, &punt)
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 */
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