X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-sparc.h;h=38c137b52cb0d1a037adacd1165ff3f718873ab9;hb=c1f61bd2b0644fc710dcfbb378a63f0b34be8903;hp=c59870ef6cf8c11f71f738f78ab8a4ea3680d08a;hpb=25c09bbf443f7b63dbdb0304c94e100f4ed0def7;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-sparc.h b/gas/config/tc-sparc.h index c59870ef6c..38c137b52c 100644 --- a/gas/config/tc-sparc.h +++ b/gas/config/tc-sparc.h @@ -1,11 +1,11 @@ /* tc-sparc.h - Macros and type defines for the sparc. - Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Copyright (C) 1989-2016 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, + 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 @@ -15,60 +15,190 @@ 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. */ + to the Free Software Foundation, 51 Franklin Street - Fifth Floor, + Boston, MA 02110-1301, USA. */ +#ifndef TC_SPARC #define TC_SPARC 1 -#define LOCAL_LABELS_FB +struct frag; -#ifdef BFD_ASSEMBLER +/* 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 OBJ_AOUT -#define TARGET_FORMAT "a.out-sunos-big" + +#ifdef TE_FreeBSD +#define ELF_TARGET_FORMAT "elf32-sparc" +#define ELF64_TARGET_FORMAT "elf64-sparc-freebsd" #endif -#ifdef OBJ_BOUT -#define TARGET_FORMAT "b.out.big" + +#ifdef TE_SOLARIS +#define ELF_TARGET_FORMAT "elf32-sparc-sol2" +#define ELF64_TARGET_FORMAT "elf64-sparc-sol2" #endif -#ifdef OBJ_ELF -#ifndef sparcv9 -#define TARGET_FORMAT "elf32-sparc" -#else /* sparcv9 */ -#define TARGET_FORMAT "elf64-sparc" /* v9 */ -#define ENV64 /* v9 */ -#endif /* sparcv9 */ -#define LOCAL_LABEL(name) ((name)[0] == '.') + +#ifndef ELF_TARGET_FORMAT +#define ELF_TARGET_FORMAT "elf32-sparc" +#endif + +#ifndef ELF64_TARGET_FORMAT +#define ELF64_TARGET_FORMAT "elf64-sparc" #endif -#else +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_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 */ +/* 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 -#define AOUT_MACHTYPE 3 +#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 -#define NEED_FX_R_TYPE +#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 tc_headers_hook(a) {;} /* don't need it. */ -#define tc_crawl_symbol_chain(a) {;} /* don't need it. */ +#define elf_tc_final_processing sparc_elf_final_processing +extern void sparc_elf_final_processing (void); -#define TC_CONS_RELOC RELOC_32 +#define md_operand(x) -#endif /* BFD_ASSEMBLER */ +extern void sparc_md_end (void); +#define md_end() sparc_md_end () -#ifndef BFD_ASSEMBLER -#define md_convert_frag(h,f) {as_fatal ("sparc convert_frag\n");} -#else -#define md_convert_frag(b,s,f) {as_fatal ("sparc convert_frag\n");} #endif -void tc_aout_pre_write_hook (); +#define TC_PARSE_CONS_RETURN_TYPE const char * +#define TC_PARSE_CONS_RETURN_NONE NULL -#define LISTING_HEADER "SPARC GAS " +#ifdef OBJ_ELF +#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) sparc_cons (EXP, NBYTES) +extern const char *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 *, 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 /* end of tc-sparc.h */