tc-sparc.h revision 218822
1757Sdg/* tc-sparc.h - Macros and type defines for the sparc. 2122296Speter Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 3757Sdg 1999, 2000, 2001, 2002, 2003, 2005, 2007 4757Sdg Free Software Foundation, Inc. 5757Sdg 6757Sdg This file is part of GAS, the GNU Assembler. 7757Sdg 8757Sdg GAS is free software; you can redistribute it and/or modify 9757Sdg it under the terms of the GNU General Public License as 10757Sdg published by the Free Software Foundation; either version 2, 11757Sdg or (at your option) any later version. 12757Sdg 13757Sdg GAS is distributed in the hope that it will be useful, but 14757Sdg WITHOUT ANY WARRANTY; without even the implied warranty of 15757Sdg MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 16757Sdg the GNU General Public License for more details. 17757Sdg 18757Sdg You should have received a copy of the GNU General Public 19757Sdg License along with GAS; see the file COPYING. If not, write 20757Sdg to the Free Software Foundation, 51 Franklin Street - Fifth Floor, 21757Sdg Boston, MA 02110-1301, USA. */ 22757Sdg 23757Sdg#ifndef TC_SPARC 24757Sdg#define TC_SPARC 1 25757Sdg 26757Sdgstruct frag; 27757Sdg 28757Sdg/* This is used to set the default value for `target_big_endian'. */ 29757Sdg#define TARGET_BYTES_BIG_ENDIAN 1 30757Sdg 31757Sdg#define LOCAL_LABELS_FB 1 32757Sdg 3350477Speter#define TARGET_ARCH bfd_arch_sparc 34757Sdg 35757Sdg#ifdef TE_FreeBSD 3615232Sbde#define ELF_TARGET_FORMAT "elf32-sparc-freebsd" 37125181Speter#define ELF64_TARGET_FORMAT "elf64-sparc-freebsd" 381321Sdg#endif 3915232Sbde 4015232Sbde#ifndef ELF_TARGET_FORMAT 41757Sdg#define ELF_TARGET_FORMAT "elf32-sparc" 42757Sdg#endif 43757Sdg 44757Sdg#ifndef ELF64_TARGET_FORMAT 45757Sdg#define ELF64_TARGET_FORMAT "elf64-sparc" 462441Sdg#endif 47125530Speter 48125530Speterextern const char *sparc_target_format PARAMS ((void)); 49125530Speter#define TARGET_FORMAT sparc_target_format () 50125530Speter 51125530Speter#define RELOC_EXPANSION_POSSIBLE 52125530Speter#define MAX_RELOC_EXPANSION 2 53757Sdg 5465557Sjasone/* Make it unconditional and check if -EL is valid after option parsing */ 5599072Sjulian#define SPARC_BIENDIAN 56133897Speter 5799072Sjulian#define WORKING_DOT_WORD 58112993Speter 59112993Speter#define md_convert_frag(b,s,f) \ 60112993Speter as_fatal (_("sparc convert_frag\n")) 61114349Speter#define md_estimate_size_before_relax(f,s) \ 62114349Speter (as_fatal (_("estimate_size_before_relax called")), 1) 6365557Sjasone 6465557Sjasone#define LISTING_HEADER "SPARC GAS " 65114349Speter 66114349Speterextern int sparc_pic_code; 67112993Speter 68112993Speter/* We require .word, et. al., to be aligned correctly. */ 69114349Speter#define md_cons_align(nbytes) sparc_cons_align (nbytes) 70114349Speterextern void sparc_cons_align PARAMS ((int)); 71125530Speter 72112993Speter#define HANDLE_ALIGN(fragp) sparc_handle_align (fragp) 73114349Speterextern void sparc_handle_align PARAMS ((struct frag *)); 74114349Speter 75114349Speter#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) 76112993Speter 77114349Speter/* I know that "call 0" fails in sparc-coff if this doesn't return 1. I 78114349Speter don't know about other relocation types, or other formats, yet. */ 79125530Speter#ifdef OBJ_COFF 8065557Sjasone#define TC_FORCE_RELOCATION_ABS(FIX) \ 8165557Sjasone ((FIX)->fx_r_type == BFD_RELOC_32_PCREL_S2 \ 8265557Sjasone || TC_FORCE_RELOCATION (FIX)) 83112993Speter 8499072Sjulian#define RELOC_REQUIRES_SYMBOL 8599072Sjulian#endif 8699072Sjulian 87114349Speter#ifdef OBJ_AOUT 88114349Speter/* This expression evaluates to true if the relocation is for a local 89757Sdg object for which we still want to do the relocation at runtime. 901549Srgrimes False if we are willing to perform this relocation while building 91112993Speter the .o file. */ 92114928Speter 93757Sdg#define TC_FORCE_RELOCATION_LOCAL(FIX) \ 94114349Speter (!(FIX)->fx_pcrel \ 95114928Speter || (sparc_pic_code \ 96114928Speter && S_IS_EXTERNAL ((FIX)->fx_addsy)) \ 97114928Speter || TC_FORCE_RELOCATION (FIX)) 98114928Speter#endif 99114928Speter 100114928Speter#ifdef OBJ_ELF 101114928Speter/* Don't turn certain relocs into relocations against sections. This 102114928Speter is required for the dynamic linker to operate properly. When 103114349Speter generating PIC, we need to keep any non PC relative reloc. The PIC 104114928Speter part of this test must be parallel to the code in tc_gen_reloc which 105757Sdg converts relocations to GOT relocations. */ 106129309Speter#define tc_fix_adjustable(FIX) \ 107129309Speter ((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \ 108129309Speter && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \ 109129309Speter && ((FIX)->fx_r_type < BFD_RELOC_SPARC_TLS_GD_HI22 \ 110129309Speter || (FIX)->fx_r_type > BFD_RELOC_SPARC_TLS_TPOFF64) \ 111129309Speter && (! sparc_pic_code \ 112129309Speter || ((FIX)->fx_r_type != BFD_RELOC_HI22 \ 113129309Speter && (FIX)->fx_r_type != BFD_RELOC_LO10 \ 114129309Speter && (FIX)->fx_r_type != BFD_RELOC_SPARC13 \ 115129309Speter && ((FIX)->fx_r_type != BFD_RELOC_32_PCREL_S2 \ 116129309Speter || !generic_force_reloc (FIX)) \ 117114928Speter && ((FIX)->fx_pcrel \ 118114928Speter || ((FIX)->fx_subsy != NULL \ 119114928Speter && (S_GET_SEGMENT ((FIX)->fx_subsy) \ 120114928Speter == S_GET_SEGMENT ((FIX)->fx_addsy))) \ 121114928Speter || S_IS_LOCAL ((FIX)->fx_addsy))))) 122114928Speter 123114928Speter/* Values passed to md_apply_fix don't include the symbol value. */ 124114928Speter#define MD_APPLY_SYM_VALUE(FIX) 0 125114928Speter 126114928Speter/* Finish up the entire symtab. */ 127114928Speter#define tc_adjust_symtab() sparc_adjust_symtab () 128129309Speterextern void sparc_adjust_symtab PARAMS ((void)); 129114928Speter#endif 130125181Speter 131125181Speter#ifdef OBJ_AOUT 132125181Speter/* When generating PIC code, we must not adjust any reloc which will 133125181Speter turn into a reloc against the global offset table, nor any reloc 134125181Speter which we will need if a symbol is overridden. */ 135125181Speter#define tc_fix_adjustable(FIX) \ 136125181Speter (! sparc_pic_code \ 137125181Speter || ((FIX)->fx_pcrel \ 138125181Speter && ((FIX)->fx_addsy == NULL \ 139125181Speter || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ 140125181Speter && ! S_IS_WEAK ((FIX)->fx_addsy)))) \ 141125181Speter || (FIX)->fx_r_type == BFD_RELOC_16 \ 142125181Speter || (FIX)->fx_r_type == BFD_RELOC_32) 143125181Speter#endif 144125181Speter 145125181Speter#define elf_tc_final_processing sparc_elf_final_processing 146125181Speterextern void sparc_elf_final_processing PARAMS ((void)); 147125181Speter 148125181Speter#define md_operand(x) 149757Sdg 150114349Speterextern void sparc_md_end PARAMS ((void)); 151757Sdg#define md_end() sparc_md_end () 152125181Speter 153125181Speter#endif 154125181Speter 155125181Speter#ifdef OBJ_ELF 156125181Speter#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES) 157125181Speterextern void sparc_cons PARAMS ((expressionS *, int)); 158125181Speter#endif 159125181Speter 160757Sdg#define TC_CONS_FIX_NEW cons_fix_new_sparc 161757Sdgextern void cons_fix_new_sparc 162112993Speter PARAMS ((struct frag *, int, unsigned int, struct expressionS *)); 163114928Speter 16428808Speter#define TC_FIX_TYPE valueT 165112993Speter 166114928Speter#define TC_INIT_FIX_DATA(X) \ 167125181Speter do \ 168125181Speter { \ 169125181Speter (X)->tc_fix_data = 0; \ 170114349Speter } \ 17165557Sjasone while (0) 172125181Speter 173112993Speter#define TC_FIX_DATA_PRINT(FILE, FIX) \ 174114349Speter do \ 175114349Speter { \ 176125530Speter fprintf ((FILE), "addend2=%ld\n", \ 17785487Sjhb (unsigned long) (FIX)->tc_fix_data); \ 178112993Speter } \ 179114349Speter while (0) 180114349Speter 181125530Speter#define TARGET_USE_CFIPOP 1 182757Sdg 183112993Speter#define tc_cfi_frame_initial_instructions sparc_cfi_frame_initial_instructions 184112993Speterextern void sparc_cfi_frame_initial_instructions PARAMS ((void)); 185112993Speter 186112993Speter#define tc_regname_to_dw2regnum sparc_regname_to_dw2regnum 187112993Speterextern int sparc_regname_to_dw2regnum PARAMS ((char *regname)); 188114928Speter 18985627Sjhb#define tc_cfi_emit_pcrel_expr sparc_cfi_emit_pcrel_expr 190129309Speterextern void sparc_cfi_emit_pcrel_expr PARAMS ((expressionS *, unsigned int)); 191129309Speter 192129309Speterextern int sparc_cie_data_alignment; 193114987Speter 194114987Speter#define DWARF2_LINE_MIN_INSN_LENGTH 4 195114987Speter#define DWARF2_DEFAULT_RETURN_COLUMN 15 196114987Speter#define DWARF2_CIE_DATA_ALIGNMENT sparc_cie_data_alignment 197114987Speter 198115006Speter/* end of tc-sparc.h */ 199114987Speter