| /* tc-sparc.h - Macros and type defines for the sparc. |
| Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
| 1999, 2000, 2001 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. */ |
| |
| #ifndef TC_SPARC |
| #define TC_SPARC 1 |
| |
| #ifdef ANSI_PROTOTYPES |
| struct frag; |
| #endif |
| |
| /* 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 |
| |
| extern const char *sparc_target_format PARAMS ((void)); |
| #define TARGET_FORMAT sparc_target_format () |
| |
| #define RELOC_EXPANSION_POSSIBLE |
| #define MAX_RELOC_EXPANSION 2 |
| |
| #if 0 |
| #ifdef TE_SPARCAOUT |
| /* Bi-endian support may eventually be unconditional, but until things are |
| working well it's only provided for targets that need it. */ |
| #define SPARC_BIENDIAN |
| #endif |
| #endif |
| /* 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 PARAMS ((int)); |
| |
| #define HANDLE_ALIGN(fragp) sparc_handle_align (fragp) |
| extern void sparc_handle_align PARAMS ((struct frag *)); |
| |
| #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) |
| |
| #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 |
| |
| #ifdef OBJ_ELF |
| #define TC_FORCE_RELOCATION(fixp) elf32_sparc_force_relocation(fixp) |
| extern int elf32_sparc_force_relocation PARAMS ((struct fix *)); |
| #endif |
| |
| #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. 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) \ |
| (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ |
| && ! S_IS_WEAK ((FIX)->fx_addsy) \ |
| && (FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \ |
| && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \ |
| && (! 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 \ |
| || (S_IS_DEFINED ((FIX)->fx_addsy) \ |
| && ! S_IS_COMMON ((FIX)->fx_addsy) \ |
| && ! S_IS_EXTERNAL ((FIX)->fx_addsy) \ |
| && ! S_IS_WEAK ((FIX)->fx_addsy))) \ |
| && ((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))))) |
| |
| /* Finish up the entire symtab. */ |
| #define tc_adjust_symtab() sparc_adjust_symtab () |
| extern void sparc_adjust_symtab PARAMS ((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 PARAMS ((void)); |
| |
| #define md_operand(x) |
| |
| extern void sparc_md_end PARAMS ((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 PARAMS ((expressionS *, int)); |
| #endif |
| |
| #define TC_CONS_FIX_NEW cons_fix_new_sparc |
| extern void cons_fix_new_sparc |
| PARAMS ((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, FIXP) \ |
| do \ |
| { \ |
| fprintf ((FILE), "addend2=%ld\n", \ |
| (unsigned long) (FIXP)->tc_fix_data); \ |
| } \ |
| while (0) |
| |
| #define DWARF2_LINE_MIN_INSN_LENGTH 4 |
| |
| /* end of tc-sparc.h */ |