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- /* tc-sparc.h - Macros and type defines for the sparc.
- Copyright (C) 1989, 90-95, 1996 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 2,
- 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. */
-
- #define TC_SPARC 1
-
- #define LOCAL_LABELS_FB 1
-
- #define TARGET_ARCH bfd_arch_sparc
- #ifdef OBJ_AOUT
- #ifdef TE_NetBSD
- #define TARGET_FORMAT "a.out-sparc-netbsd"
- #else
- #define TARGET_FORMAT "a.out-sunos-big"
- #endif
- #endif
- #ifdef OBJ_BOUT
- #define TARGET_FORMAT "b.out.big"
- #endif
- #ifdef OBJ_ELF
- #ifdef SPARC_ARCH64
- #define TARGET_FORMAT "elf64-sparc"
- #else
- #define TARGET_FORMAT "elf32-sparc"
- #endif
- #define LOCAL_LABEL(name) (((name)[0] == '.' && (name)[1] == 'L') || !strncmp ((name), "_.L_", 4))
- #endif
- #define WORKING_DOT_WORD
-
- #define md_convert_frag(b,s,f) {as_fatal ("sparc convert_frag\n");}
- #define md_create_long_jump(p,f,t,fr,s) as_fatal("sparc_create_long_jump")
- #define md_create_short_jump(p,f,t,fr,s) as_fatal("sparc_create_short_jump")
- #define md_estimate_size_before_relax(f,s) \
- (as_fatal("estimate_size_before_relax called"),1)
- void tc_aout_pre_write_hook ();
-
- #define LISTING_HEADER "SPARC GAS "
-
- extern int sparc_pic_code;
-
- /* We require .word, et. al., to be aligned correctly. */
- #define md_cons_align(nbytes) sparc_cons_align (nbytes)
- extern void sparc_cons_align PARAMS ((int));
- #define HANDLE_ALIGN(fragp) sparc_handle_align (fragp)
- extern void sparc_handle_align ();
-
- #if defined (OBJ_ELF) || defined (OBJ_AOUT)
-
- /* This expression evaluates to false if the relocation is for a local
- object for which we still want to do the relocation at runtime.
- True if we are willing to perform this relocation while building
- the .o file.
-
- If the reloc is against an externally visible symbol, then the
- a.out assembler should not do the relocation if generating PIC, and
- the ELF assembler should never do the relocation. */
-
- #ifdef OBJ_ELF
- #define obj_relocate_extern 0
- #else
- #define obj_relocate_extern (! sparc_pic_code)
- #endif
-
- #define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
- (obj_relocate_extern \
- || (FIX)->fx_addsy == NULL \
- || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
- && ! S_IS_WEAK ((FIX)->fx_addsy) \
- && S_IS_DEFINED ((FIX)->fx_addsy) \
- && ! S_IS_COMMON ((FIX)->fx_addsy)))
- #endif
-
- /* I know that "call 0" fails in sparc-coff if this doesn't return 1. I
- don't know about other relocation types, or other formats, yet. */
- #ifdef OBJ_COFF
- #define TC_FORCE_RELOCATION(FIXP) \
- ((FIXP)->fx_r_type == BFD_RELOC_32_PCREL_S2 \
- && ((FIXP)->fx_addsy == 0 \
- || S_GET_SEGMENT ((FIXP)->fx_addsy) == absolute_section))
- #define RELOC_REQUIRES_SYMBOL
- #endif
-
- #define TC_HANDLES_FX_DONE
-
- #ifdef OBJ_ELF
- /* Keep relocations against global symbols. Don't turn them into
- relocations against sections. This is required for the dynamic
- linker to operate properly. When generating PIC, we need to keep
- any non PC relative reloc. */
- #define tc_fix_adjustable(FIX) \
- (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
- && ! S_IS_WEAK ((FIX)->fx_addsy) \
- && (! sparc_pic_code || (FIX)->fx_pcrel))
- #endif
-
- #ifdef OBJ_AOUT
- /* When generating PIC code, we must not adjust any reloc which will
- turn into a reloc against the global offset table. */
- #define tc_fix_adjustable(FIX) \
- (! sparc_pic_code \
- || (FIX)->fx_pcrel \
- || (FIX)->fx_r_type == BFD_RELOC_16 \
- || (FIX)->fx_r_type == BFD_RELOC_32)
- #endif
-
- #define md_operand(x)
-
- extern void sparc_md_end PARAMS ((void));
- #define md_end() sparc_md_end ()
-
- /* end of tc-sparc.h */
-