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199 lines
6.2 KiB
C
199 lines
6.2 KiB
C
/* tc-sparc.h - Macros and type defines for the sparc.
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Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008
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Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3,
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or (at your option) any later version.
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GAS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with GAS; see the file COPYING. If not, write
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to the Free Software Foundation, 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#ifndef TC_SPARC
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#define TC_SPARC 1
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struct frag;
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/* This is used to set the default value for `target_big_endian'. */
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#define TARGET_BYTES_BIG_ENDIAN 1
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#define LOCAL_LABELS_FB 1
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#define TARGET_ARCH bfd_arch_sparc
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#ifdef TE_FreeBSD
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#define ELF_TARGET_FORMAT "elf32-sparc-freebsd"
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#define ELF64_TARGET_FORMAT "elf64-sparc-freebsd"
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#endif
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#ifndef ELF_TARGET_FORMAT
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#define ELF_TARGET_FORMAT "elf32-sparc"
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#endif
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#ifndef ELF64_TARGET_FORMAT
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#define ELF64_TARGET_FORMAT "elf64-sparc"
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#endif
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extern const char *sparc_target_format (void);
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#define TARGET_FORMAT sparc_target_format ()
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#define RELOC_EXPANSION_POSSIBLE
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#define MAX_RELOC_EXPANSION 2
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/* Make it unconditional and check if -EL is valid after option parsing */
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#define SPARC_BIENDIAN
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#define WORKING_DOT_WORD
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#define md_convert_frag(b,s,f) \
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as_fatal (_("sparc convert_frag\n"))
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#define md_estimate_size_before_relax(f,s) \
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(as_fatal (_("estimate_size_before_relax called")), 1)
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#define LISTING_HEADER "SPARC GAS "
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extern int sparc_pic_code;
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/* We require .word, et. al., to be aligned correctly. */
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#define md_cons_align(nbytes) sparc_cons_align (nbytes)
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extern void sparc_cons_align (int);
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#define HANDLE_ALIGN(fragp) sparc_handle_align (fragp)
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extern void sparc_handle_align (struct frag *);
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#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4)
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/* I know that "call 0" fails in sparc-coff if this doesn't return 1. I
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don't know about other relocation types, or other formats, yet. */
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#ifdef OBJ_COFF
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#define TC_FORCE_RELOCATION_ABS(FIX) \
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((FIX)->fx_r_type == BFD_RELOC_32_PCREL_S2 \
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|| TC_FORCE_RELOCATION (FIX))
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#define RELOC_REQUIRES_SYMBOL
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#endif
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#ifdef OBJ_AOUT
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/* This expression evaluates to true if the relocation is for a local
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object for which we still want to do the relocation at runtime.
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False if we are willing to perform this relocation while building
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the .o file. */
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#define TC_FORCE_RELOCATION_LOCAL(FIX) \
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(!(FIX)->fx_pcrel \
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|| (sparc_pic_code \
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&& S_IS_EXTERNAL ((FIX)->fx_addsy)) \
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|| TC_FORCE_RELOCATION (FIX))
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#endif
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#ifdef OBJ_ELF
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/* Don't turn certain relocs into relocations against sections. This
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is required for the dynamic linker to operate properly. When
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generating PIC, we need to keep any non PC relative reloc. The PIC
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part of this test must be parallel to the code in tc_gen_reloc which
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converts relocations to GOT relocations. */
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#define tc_fix_adjustable(FIX) \
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((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
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&& (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
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&& ((FIX)->fx_r_type < BFD_RELOC_SPARC_TLS_GD_HI22 \
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|| (FIX)->fx_r_type > BFD_RELOC_SPARC_TLS_TPOFF64) \
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&& (! sparc_pic_code \
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|| ((FIX)->fx_r_type != BFD_RELOC_HI22 \
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&& (FIX)->fx_r_type != BFD_RELOC_LO10 \
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&& (FIX)->fx_r_type != BFD_RELOC_SPARC13 \
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&& ((FIX)->fx_r_type != BFD_RELOC_32_PCREL_S2 \
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|| !generic_force_reloc (FIX)) \
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&& ((FIX)->fx_pcrel \
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|| ((FIX)->fx_subsy != NULL \
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&& (S_GET_SEGMENT ((FIX)->fx_subsy) \
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== S_GET_SEGMENT ((FIX)->fx_addsy))) \
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|| S_IS_LOCAL ((FIX)->fx_addsy)))))
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/* Values passed to md_apply_fix don't include the symbol value. */
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#define MD_APPLY_SYM_VALUE(FIX) 0
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/* Finish up the entire symtab. */
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#define tc_adjust_symtab() sparc_adjust_symtab ()
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extern void sparc_adjust_symtab (void);
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#endif
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#ifdef OBJ_AOUT
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/* When generating PIC code, we must not adjust any reloc which will
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turn into a reloc against the global offset table, nor any reloc
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which we will need if a symbol is overridden. */
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#define tc_fix_adjustable(FIX) \
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(! sparc_pic_code \
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|| ((FIX)->fx_pcrel \
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&& ((FIX)->fx_addsy == NULL \
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|| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
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&& ! S_IS_WEAK ((FIX)->fx_addsy)))) \
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|| (FIX)->fx_r_type == BFD_RELOC_16 \
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|| (FIX)->fx_r_type == BFD_RELOC_32)
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#endif
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#define elf_tc_final_processing sparc_elf_final_processing
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extern void sparc_elf_final_processing (void);
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#define md_operand(x)
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extern void sparc_md_end (void);
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#define md_end() sparc_md_end ()
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#endif
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#ifdef OBJ_ELF
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#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES)
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extern void sparc_cons (expressionS *, int);
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#endif
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#define TC_CONS_FIX_NEW cons_fix_new_sparc
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extern void cons_fix_new_sparc
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(struct frag *, int, unsigned int, struct expressionS *);
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#define TC_FIX_TYPE valueT
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#define TC_INIT_FIX_DATA(X) \
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do \
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{ \
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(X)->tc_fix_data = 0; \
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} \
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while (0)
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#define TC_FIX_DATA_PRINT(FILE, FIX) \
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do \
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{ \
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fprintf ((FILE), "addend2=%ld\n", \
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(unsigned long) (FIX)->tc_fix_data); \
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} \
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while (0)
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#define TARGET_USE_CFIPOP 1
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#define tc_cfi_frame_initial_instructions sparc_cfi_frame_initial_instructions
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extern void sparc_cfi_frame_initial_instructions (void);
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#define tc_regname_to_dw2regnum sparc_regname_to_dw2regnum
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extern int sparc_regname_to_dw2regnum (char *regname);
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#define tc_cfi_emit_pcrel_expr sparc_cfi_emit_pcrel_expr
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extern void sparc_cfi_emit_pcrel_expr (expressionS *, unsigned int);
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extern int sparc_cie_data_alignment;
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#define DWARF2_LINE_MIN_INSN_LENGTH 4
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#define DWARF2_DEFAULT_RETURN_COLUMN 15
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#define DWARF2_CIE_DATA_ALIGNMENT sparc_cie_data_alignment
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/* end of tc-sparc.h */
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