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Diffstat (limited to 'gas/config/tc-ppc.h')
| -rw-r--r-- | gas/config/tc-ppc.h | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h deleted file mode 100644 index 0871d130d6d..00000000000 --- a/gas/config/tc-ppc.h +++ /dev/null @@ -1,276 +0,0 @@ -/* tc-ppc.h -- Header file for tc-ppc.c. - Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. - Written by Ian Lance Taylor, Cygnus Support. - - 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. */ - -#define TC_PPC - -#ifdef ANSI_PROTOTYPES -struct fix; -#endif - -/* Set the endianness we are using. Default to big endian. */ -#ifndef TARGET_BYTES_BIG_ENDIAN -#define TARGET_BYTES_BIG_ENDIAN 1 -#endif - -#ifndef BFD_ASSEMBLER - #error PowerPC support requires BFD_ASSEMBLER -#endif - -/* If OBJ_COFF is defined, and TE_PE is not defined, we are assembling - XCOFF for AIX or PowerMac. If TE_PE is defined, we are assembling - COFF for Windows NT. */ - -#ifdef OBJ_COFF -#ifndef TE_PE -#define OBJ_XCOFF -#endif -#endif - -/* The target BFD architecture. */ -#define TARGET_ARCH (ppc_arch ()) -extern enum bfd_architecture ppc_arch PARAMS ((void)); - -/* Whether or not the target is big endian */ -extern int target_big_endian; - -/* The target BFD format. */ -#ifdef OBJ_COFF -#ifdef TE_PE -#define TARGET_FORMAT (target_big_endian ? "pe-powerpc" : "pe-powerpcle") -#else -#define TARGET_FORMAT "aixcoff-rs6000" -#endif -#endif - -/* PowerMac has a BFD slightly different from AIX's. */ -#ifdef TE_POWERMAC -#ifdef TARGET_FORMAT -#undef TARGET_FORMAT -#endif -#define TARGET_FORMAT "xcoff-powermac" -#endif - -#ifdef OBJ_ELF -#define TARGET_FORMAT (target_big_endian ? "elf32-powerpc" : "elf32-powerpcle") -#endif - -/* Permit temporary numeric labels. */ -#define LOCAL_LABELS_FB 1 - -/* $ is used to refer to the current location. */ -#define DOLLAR_DOT - -/* Strings do not use backslash escapes under COFF. */ -#ifdef OBJ_COFF -#define NO_STRING_ESCAPES -#endif - -#ifdef OBJ_ELF -#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ -#endif - -#if TARGET_BYTES_BIG_ENDIAN -#define PPC_BIG_ENDIAN 1 -#else -#define PPC_BIG_ENDIAN 0 -#endif - -/* We don't need to handle .word strangely. */ -#define WORKING_DOT_WORD - -/* We set the fx_done field appropriately in md_apply_fix. */ -#define TC_HANDLES_FX_DONE - -#ifdef TE_PE - -/* Question marks are permitted in symbol names. */ -#define LEX_QM 1 - -/* Don't adjust TOC relocs. */ -#define tc_fix_adjustable(fixp) ppc_pe_fix_adjustable (fixp) -extern int ppc_pe_fix_adjustable PARAMS ((struct fix *)); - -#endif - -#ifdef OBJ_XCOFF - -/* Declarations needed when generating XCOFF code. XCOFF is an - extension of COFF, used only on the RS/6000. Rather than create an - obj-xcoff, we just use obj-coff, and handle the extensions here in - tc-ppc. */ - -/* We need to keep some information for symbols. */ -struct ppc_tc_sy -{ - /* We keep a few linked lists of symbols. */ - struct symbol *next; - /* Non-zero if the symbol should be output. The RS/6000 assembler - only outputs symbols that are external or are mentioned in a - .globl or .lglobl statement. */ - int output; - /* The symbol class. */ - int class; - /* The real name, if the symbol was renamed. */ - char *real_name; - /* For a csect symbol, the subsegment we are using. This is zero - for symbols that are not csects. */ - subsegT subseg; - /* For a csect or common symbol, the alignment to use. */ - int align; - /* For a function symbol, a symbol whose value is the size. The - field is NULL if there is no size. */ - struct symbol *size; - /* For a csect symbol, the last symbol which has been defined in - this csect, or NULL if none have been defined so far. For a .bs - symbol, the referenced csect symbol. */ - struct symbol *within; -}; - -#define TC_SYMFIELD_TYPE struct ppc_tc_sy - -/* We need an additional auxent for function symbols. */ -#define OBJ_COFF_MAX_AUXENTRIES 2 - -/* Square and curly brackets are permitted in symbol names. */ -#define LEX_BR 3 - -/* Canonicalize the symbol name. */ -#define tc_canonicalize_symbol_name(name) ppc_canonicalize_symbol_name (name) -extern char *ppc_canonicalize_symbol_name PARAMS ((char *)); - -/* Get the symbol class from the name. */ -#define tc_symbol_new_hook(sym) ppc_symbol_new_hook (sym) -extern void ppc_symbol_new_hook PARAMS ((struct symbol *)); - -/* Set the symbol class of a label based on the csect. */ -#define tc_frob_label(sym) ppc_frob_label (sym) -extern void ppc_frob_label PARAMS ((struct symbol *)); - -/* TOC relocs requires special handling. */ -#define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp) -extern int ppc_fix_adjustable PARAMS ((struct fix *)); - -/* A relocation from one csect to another must be kept. */ -#define TC_FORCE_RELOCATION(FIXP) ppc_force_relocation (FIXP) -extern int ppc_force_relocation PARAMS ((struct fix *)); - -/* We need to set the section VMA. */ -#define tc_frob_section(sec) ppc_frob_section (sec) -extern void ppc_frob_section PARAMS ((asection *)); - -/* Finish up the symbol. */ -#define tc_frob_symbol(sym, punt) punt = ppc_frob_symbol (sym) -extern int ppc_frob_symbol PARAMS ((struct symbol *)); - -/* Finish up the entire symtab. */ -#define tc_adjust_symtab() ppc_adjust_symtab () -extern void ppc_adjust_symtab PARAMS ((void)); - -/* Niclas Andersson <nican@ida.liu.se> says this is needed. */ -#define SUB_SEGMENT_ALIGN(SEG) 2 - -#endif /* OBJ_XCOFF */ - -#ifdef OBJ_ELF - -/* Branch prediction relocations must force relocation, as must - the vtable description relocs. */ -#define TC_FORCE_RELOCATION(FIXP) \ -((FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRTAKEN \ - || (FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRNTAKEN \ - || (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRTAKEN \ - || (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRNTAKEN \ - || (FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \ - || (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY) - -#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC) \ -(TC_FORCE_RELOCATION (FIXP) \ - || ((FIXP)->fx_addsy && !(FIXP)->fx_subsy && (FIXP)->fx_addsy->bsym \ - && (FIXP)->fx_addsy->bsym->section != SEC)) - -/* Support for SHF_EXCLUDE and SHT_ORDERED */ -extern int ppc_section_letter PARAMS ((int, char **)); -extern int ppc_section_type PARAMS ((char **)); -extern int ppc_section_word PARAMS ((char **)); -extern int ppc_section_flags PARAMS ((int, int, int)); - -#define md_elf_section_letter(LETTER, PTR_MSG) ppc_section_letter (LETTER, PTR_MSG) -#define md_elf_section_type(PTR_STR) ppc_section_type (PTR_STR) -#define md_elf_section_word(PTR_STR) ppc_section_word (PTR_STR) -#define md_elf_section_flags(FLAGS, ATTR, TYPE) ppc_section_flags (FLAGS, ATTR, TYPE) - -/* Add extra PPC sections -- Note, for now, make .sbss2 and .PPC.EMB.sbss0 a - normal section, and not a bss section so that the linker doesn't crater - when trying to make more than 2 sections. */ -#define ELF_TC_SPECIAL_SECTIONS \ - { ".tags", SHT_ORDERED, SHF_ALLOC }, \ - { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \ - { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \ - { ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \ - { ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \ - { ".PPC.EMB.sdata0", SHT_PROGBITS, SHF_ALLOC }, \ - { ".PPC.EMB.sbss0", SHT_PROGBITS, SHF_ALLOC }, - -#define tc_comment_chars ppc_comment_chars -extern const char *ppc_comment_chars; - -/* Keep relocations relative to the GOT, or non-PC relative. */ -#define tc_fix_adjustable(FIX) \ - ((FIX)->fx_r_type != BFD_RELOC_16_GOTOFF \ - && (FIX)->fx_r_type != BFD_RELOC_LO16_GOTOFF \ - && (FIX)->fx_r_type != BFD_RELOC_HI16_GOTOFF \ - && (FIX)->fx_r_type != BFD_RELOC_HI16_S_GOTOFF \ - && (FIX)->fx_r_type != BFD_RELOC_GPREL16 \ - && (FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \ - && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \ - && ! 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))) \ - || strchr (S_GET_NAME ((FIX)->fx_addsy), '\001') != NULL \ - || strchr (S_GET_NAME ((FIX)->fx_addsy), '\002') != NULL)) - -/* We must never ever try to resolve references to externally visible - symbols in the assembler, because the .o file might go into a shared - library, and some other shared library might override that symbol. */ -#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \ - ((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 /* OBJ_ELF */ - -/* call md_apply_fix3 with segment instead of md_apply_fix */ -#define MD_APPLY_FIX3 - -/* call md_pcrel_from_section, not md_pcrel_from */ -#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC) -extern long md_pcrel_from_section PARAMS ((struct fix *, segT)); - -#define md_parse_name(name, exp) ppc_parse_name (name, exp) -extern int ppc_parse_name PARAMS ((const char *, struct expressionS *)); - -#define md_operand(x) - |