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Diffstat (limited to 'binutils-2.25/gas/config/tc-sparc.h')
| -rw-r--r-- | binutils-2.25/gas/config/tc-sparc.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/tc-sparc.h b/binutils-2.25/gas/config/tc-sparc.h new file mode 100644 index 00000000..5671c140 --- /dev/null +++ b/binutils-2.25/gas/config/tc-sparc.h @@ -0,0 +1,203 @@ +/* tc-sparc.h - Macros and type defines for the sparc. + Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, + 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2010 + 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 3, + 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, 51 Franklin Street - Fifth Floor, + Boston, MA 02110-1301, USA. */ + +#ifndef TC_SPARC +#define TC_SPARC 1 + +struct frag; + +/* This is used to set the default value for `target_big_endian'. */ +#define TARGET_BYTES_BIG_ENDIAN 1 + +#define LOCAL_LABELS_FB 1 + +#define TARGET_ARCH bfd_arch_sparc + +#ifdef TE_FreeBSD +#define ELF_TARGET_FORMAT "elf32-sparc" +#define ELF64_TARGET_FORMAT "elf64-sparc-freebsd" +#endif + +#ifdef TE_SOLARIS +#define ELF_TARGET_FORMAT "elf32-sparc-sol2" +#define ELF64_TARGET_FORMAT "elf64-sparc-sol2" +#endif + +#ifndef ELF_TARGET_FORMAT +#define ELF_TARGET_FORMAT "elf32-sparc" +#endif + +#ifndef ELF64_TARGET_FORMAT +#define ELF64_TARGET_FORMAT "elf64-sparc" +#endif + +extern const char *sparc_target_format (void); +#define TARGET_FORMAT sparc_target_format () + +#define RELOC_EXPANSION_POSSIBLE +#define MAX_RELOC_EXPANSION 2 + +/* Make it unconditional and check if -EL is valid after option parsing */ +#define SPARC_BIENDIAN + +#define WORKING_DOT_WORD + +#define md_convert_frag(b,s,f) \ + as_fatal (_("sparc convert_frag\n")) +#define md_estimate_size_before_relax(f,s) \ + (as_fatal (_("estimate_size_before_relax called")), 1) + +#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 (int); + +#define HANDLE_ALIGN(fragp) sparc_handle_align (fragp) +extern void sparc_handle_align (struct frag *); + +#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) + +/* 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_ABS(FIX) \ + ((FIX)->fx_r_type == BFD_RELOC_32_PCREL_S2 \ + || TC_FORCE_RELOCATION (FIX)) + +#define RELOC_REQUIRES_SYMBOL +#endif + +#ifdef OBJ_AOUT +/* This expression evaluates to true if the relocation is for a local + object for which we still want to do the relocation at runtime. + False if we are willing to perform this relocation while building + the .o file. */ + +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + (!(FIX)->fx_pcrel \ + || (sparc_pic_code \ + && S_IS_EXTERNAL ((FIX)->fx_addsy)) \ + || TC_FORCE_RELOCATION (FIX)) +#endif + +#ifdef OBJ_ELF +/* Don't turn certain relocs 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. The PIC + part of this test must be parallel to the code in tc_gen_reloc which + converts relocations to GOT relocations. */ +#define tc_fix_adjustable(FIX) \ + ((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \ + && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \ + && ((FIX)->fx_r_type < BFD_RELOC_SPARC_TLS_GD_HI22 \ + || (FIX)->fx_r_type > BFD_RELOC_SPARC_TLS_TPOFF64) \ + && (! sparc_pic_code \ + || ((FIX)->fx_r_type != BFD_RELOC_HI22 \ + && (FIX)->fx_r_type != BFD_RELOC_LO10 \ + && (FIX)->fx_r_type != BFD_RELOC_SPARC13 \ + && ((FIX)->fx_r_type != BFD_RELOC_32_PCREL_S2 \ + || !generic_force_reloc (FIX)) \ + && ((FIX)->fx_pcrel \ + || ((FIX)->fx_subsy != NULL \ + && (S_GET_SEGMENT ((FIX)->fx_subsy) \ + == S_GET_SEGMENT ((FIX)->fx_addsy))) \ + || S_IS_LOCAL ((FIX)->fx_addsy))))) + +/* Values passed to md_apply_fix don't include the symbol value. */ +#define MD_APPLY_SYM_VALUE(FIX) 0 + +/* Finish up the entire symtab. */ +#define tc_adjust_symtab() sparc_adjust_symtab () +extern void sparc_adjust_symtab (void); +#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, nor any reloc + which we will need if a symbol is overridden. */ +#define tc_fix_adjustable(FIX) \ + (! sparc_pic_code \ + || ((FIX)->fx_pcrel \ + && ((FIX)->fx_addsy == NULL \ + || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ + && ! S_IS_WEAK ((FIX)->fx_addsy)))) \ + || (FIX)->fx_r_type == BFD_RELOC_16 \ + || (FIX)->fx_r_type == BFD_RELOC_32) +#endif + +#define elf_tc_final_processing sparc_elf_final_processing +extern void sparc_elf_final_processing (void); + +#define md_operand(x) + +extern void sparc_md_end (void); +#define md_end() sparc_md_end () + +#endif + +#ifdef OBJ_ELF +#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES) +extern void sparc_cons (expressionS *, int); +#endif + +#define TC_CONS_FIX_NEW cons_fix_new_sparc +extern void cons_fix_new_sparc + (struct frag *, int, unsigned int, struct expressionS *); + +#define TC_FIX_TYPE valueT + +#define TC_INIT_FIX_DATA(X) \ + do \ + { \ + (X)->tc_fix_data = 0; \ + } \ + while (0) + +#define TC_FIX_DATA_PRINT(FILE, FIX) \ + do \ + { \ + fprintf ((FILE), "addend2=%ld\n", \ + (unsigned long) (FIX)->tc_fix_data); \ + } \ + while (0) + +#define TARGET_USE_CFIPOP 1 + +#define tc_cfi_frame_initial_instructions sparc_cfi_frame_initial_instructions +extern void sparc_cfi_frame_initial_instructions (void); + +#define tc_regname_to_dw2regnum sparc_regname_to_dw2regnum +extern int sparc_regname_to_dw2regnum (char *regname); + +#define tc_cfi_emit_pcrel_expr sparc_cfi_emit_pcrel_expr +extern void sparc_cfi_emit_pcrel_expr (expressionS *, unsigned int); + +extern int sparc_cie_data_alignment; + +#define DWARF2_LINE_MIN_INSN_LENGTH 4 +#define DWARF2_DEFAULT_RETURN_COLUMN 15 +#define DWARF2_CIE_DATA_ALIGNMENT sparc_cie_data_alignment + +/* end of tc-sparc.h */ |