X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-sparc.h;h=7ff7613517ea8dd6ad7c378420c5c5ea1baa1796;hb=219d1afa89d0d53ca93a684cac341f16470f3ca0;hp=9a477abd62d6ca27ebc98683bab79be754458c08;hpb=814f6641275e048cfcd064058c8074d14865584a;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-sparc.h b/gas/config/tc-sparc.h index 9a477abd62..7ff7613517 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, 97, 98, 1999 Free Software Foundation, Inc. + Copyright (C) 1989-2018 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 @@ -32,123 +30,115 @@ 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 () #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_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) \ - && subseg_text_p (now_seg)) \ - { \ - char *p; \ - p = frag_var (rs_align_code, 1 << n, 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) +extern void sparc_cons_align (int); -/* 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. */ +#define HANDLE_ALIGN(fragp) sparc_handle_align (fragp) +extern void sparc_handle_align (struct frag *); -#ifdef OBJ_ELF -#define obj_relocate_extern 0 -#else -#define obj_relocate_extern (! sparc_pic_code) -#endif +#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) -#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 DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ /* 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 -#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_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 MD_APPLY_FIX3 -#define TC_HANDLES_FX_DONE +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + (GENERIC_FORCE_RELOCATION_LOCAL (FIX) \ + || (sparc_pic_code \ + && S_IS_EXTERNAL ((FIX)->fx_addsy))) +#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. */ +/* 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_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 \ - || (S_IS_DEFINED ((FIX)->fx_addsy) \ - && ! S_IS_COMMON ((FIX)->fx_addsy) \ - && ! S_IS_EXTERNAL ((FIX)->fx_addsy) \ - && ! S_IS_WEAK ((FIX)->fx_addsy))) \ + || !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 PARAMS ((void)); +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)) #endif #ifdef OBJ_AOUT @@ -166,18 +156,26 @@ extern void sparc_adjust_symtab PARAMS ((void)); #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 - PARAMS ((struct frag *, int, unsigned int, struct expressionS *)); +(struct frag *, int, unsigned int, struct expressionS *, const char *); #define TC_FIX_TYPE valueT @@ -188,14 +186,35 @@ extern void cons_fix_new_sparc } \ while (0) -#define TC_FIX_DATA_PRINT(FILE, FIXP) \ +#define TC_FIX_DATA_PRINT(FILE, FIX) \ do \ { \ fprintf ((FILE), "addend2=%ld\n", \ - (unsigned long) (FIXP)->tc_fix_data); \ + (unsigned long) (FIX)->tc_fix_data); \ } \ while (0) -#define DWARF2_LINE_MIN_INSN_LENGTH 4 +#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 /* end of tc-sparc.h */