X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-sparc.h;h=d99a824e0d38dcd2ac4e0fb0f157454949f30f36;hb=d4340f89eccb0b0a0811e142ce365efc48beb064;hp=dd19fdb5bb0ef989a896c1e098a376b33e6d4e5c;hpb=fecd2382e77b89f12c9d630ed4e42e9a54ba6953;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-sparc.h b/gas/config/tc-sparc.h index dd19fdb5bb..d99a824e0d 100644 --- a/gas/config/tc-sparc.h +++ b/gas/config/tc-sparc.h @@ -1,42 +1,181 @@ /* tc-sparc.h - Macros and type defines for the sparc. - Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc. + Copyright (C) 1989-2019 Free Software Foundation, Inc. -This file is part of GAS, the GNU Assembler. + 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 1, -or (at your option) any later version. + 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. + 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* $Id$ */ + 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 -#ifdef OBJ_BOUT -#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE ((0x103 << 16) | BMAGIC) /* Magic number for header */ -#else -#ifdef OBJ_AOUT -#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE ((0x103 << 16) | OMAGIC) /* Magic number for header */ -#endif /* OBJ_AOUT */ -#endif /* OBJ_BOUT */ - -#define tc_headers_hook(a) ; /* don't need it. */ -#define tc_crawl_symbol_chain(a) ; /* don't need it. */ - -/* - * Local Variables: - * comment-column: 0 - * fill-column: 131 - * End: - */ - -/* end of tp-sparc.h */ +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 + +extern unsigned long sparc_mach (void); +#define TARGET_MACH sparc_mach () + +#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) + +#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ + +/* 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); + +/* Don't allow the generic code to convert fixups involving the + subtraction of a label in the current section to pc-relative if we + don't have the necessary pc-relative relocation. */ +#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) \ + (!((FIX)->fx_r_type == BFD_RELOC_64 \ + || (FIX)->fx_r_type == BFD_RELOC_32 \ + || (FIX)->fx_r_type == BFD_RELOC_16 \ + || (FIX)->fx_r_type == BFD_RELOC_8)) + +#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 () + +#define TC_PARSE_CONS_RETURN_TYPE const char * +#define TC_PARSE_CONS_RETURN_NONE NULL + +#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES) +extern const char *sparc_cons (expressionS *, int); + +#define TC_CONS_FIX_NEW cons_fix_new_sparc +extern void cons_fix_new_sparc +(struct frag *, int, unsigned int, struct expressionS *, const char *); + +#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 + +/* cons_fix_new_sparc will chooose BFD_RELOC_SPARC_UA32 for the difference + expressions, but there is no corresponding PC-relative relocation; as this + is for debugging info though, alignment does not matter, so by disabling + this, BFD_RELOC_32_PCREL will be emitted directly instead. */ +#define CFI_DIFF_EXPR_OK 0 + +#endif