X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-sparc.h;h=38c137b52cb0d1a037adacd1165ff3f718873ab9;hb=c1f61bd2b0644fc710dcfbb378a63f0b34be8903;hp=5b731a01ed2508b399b24235f2069be9ffba77fe;hpb=dfe0d219cea71dde525273283a12b2bc8f33ecc8;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-sparc.h b/gas/config/tc-sparc.h index 5b731a01ed..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, 90-96, 1997 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 @@ -15,15 +15,13 @@ 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. */ + to the Free Software Foundation, 51 Franklin Street - Fifth Floor, + Boston, MA 02110-1301, 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 @@ -32,118 +30,175 @@ struct frag; #define TARGET_ARCH bfd_arch_sparc -extern const char *sparc_target_format PARAMS ((void)); +#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 () -#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 RELOC_EXPANSION_POSSIBLE +#define MAX_RELOC_EXPANSION 2 + +/* Make it unconditional and check if -EL is valid after option parsing */ #define SPARC_BIENDIAN -#endif #define WORKING_DOT_WORD -#define md_convert_frag(b,s,f) {as_fatal ("sparc convert_frag\n");} -#define md_create_long_jump(p,f,t,fr,s) as_fatal("sparc_create_long_jump") -#define md_create_short_jump(p,f,t,fr,s) as_fatal("sparc_create_short_jump") +#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) + (as_fatal (_("estimate_size_before_relax called")), 1) #define LISTING_HEADER "SPARC GAS " extern int sparc_pic_code; -#define md_do_align(n, fill, len, max, around) \ -if ((n) && (n) <= 10 && !need_pass_2 && !(fill) \ - && now_seg != data_section && now_seg != bss_section) \ - { \ - char *p; \ - p = frag_var (rs_align_code, 1024, 1, (relax_substateT) 1024, \ - (symbolS *) 0, (offsetT) (n), (char *) 0); \ - *p = 0x00; \ - goto around; \ - } - /* 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 *)); - -#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. */ +extern void sparc_cons_align (int); -#ifdef OBJ_ELF -#define obj_relocate_extern 0 -#else -#define obj_relocate_extern (! sparc_pic_code) -#endif +#define HANDLE_ALIGN(fragp) sparc_handle_align (fragp) +extern void sparc_handle_align (struct frag *); -#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 +#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(FIXP) \ - ((FIXP)->fx_r_type == BFD_RELOC_32_PCREL_S2 \ - && ((FIXP)->fx_addsy == 0 \ - || S_GET_SEGMENT ((FIXP)->fx_addsy) == absolute_section)) +#define TC_FORCE_RELOCATION_ABS(FIX) \ + ((FIX)->fx_r_type == BFD_RELOC_32_PCREL_S2 \ + || TC_FORCE_RELOCATION (FIX)) + #define RELOC_REQUIRES_SYMBOL #endif -#define MD_APPLY_FIX3 -#define TC_HANDLES_FX_DONE +#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 -/* 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. */ +/* 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) \ - (! 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 \ + && ((FIX)->fx_r_type < BFD_RELOC_SPARC_TLS_GD_HI22 \ + || (FIX)->fx_r_type > BFD_RELOC_SPARC_TLS_TPOFF64) \ && (! sparc_pic_code \ - || (FIX)->fx_pcrel \ - || ((FIX)->fx_subsy != NULL \ - && (S_GET_SEGMENT ((FIX)->fx_subsy) \ - == S_GET_SEGMENT ((FIX)->fx_addsy))) \ - || strchr (S_GET_NAME ((FIX)->fx_addsy), '\001') != NULL \ - || strchr (S_GET_NAME ((FIX)->fx_addsy), '\002') != NULL)) + || ((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. */ -#define tc_fix_adjustable(FIX) \ - (! sparc_pic_code \ - || (FIX)->fx_pcrel \ - || (FIX)->fx_r_type == BFD_RELOC_16 \ + 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)); +extern void sparc_elf_final_processing (void); #define md_operand(x) -extern void sparc_md_end PARAMS ((void)); +extern void sparc_md_end (void); #define md_end() sparc_md_end () #endif +#define TC_PARSE_CONS_RETURN_TYPE const char * +#define TC_PARSE_CONS_RETURN_NONE NULL + +#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 */