forked from KolibriOS/kolibrios
343 lines
9.7 KiB
C
343 lines
9.7 KiB
C
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/* tc-i386.h -- Header file for tc-i386.c
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Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
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Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef TC_I386
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#define TC_I386 1
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#include "opcodes/i386-opc.h"
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struct fix;
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#define TARGET_BYTES_BIG_ENDIAN 0
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#define TARGET_ARCH (i386_arch ())
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#define TARGET_MACH (i386_mach ())
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extern enum bfd_architecture i386_arch (void);
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extern unsigned long i386_mach (void);
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#ifdef TE_FreeBSD
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#define AOUT_TARGET_FORMAT "a.out-i386-freebsd"
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#endif
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#ifdef TE_NetBSD
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#define AOUT_TARGET_FORMAT "a.out-i386-netbsd"
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#endif
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#ifdef TE_386BSD
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#define AOUT_TARGET_FORMAT "a.out-i386-bsd"
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#endif
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#ifdef TE_LINUX
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#define AOUT_TARGET_FORMAT "a.out-i386-linux"
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#endif
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#ifdef TE_Mach
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#define AOUT_TARGET_FORMAT "a.out-mach3"
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#endif
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#ifdef TE_DYNIX
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#define AOUT_TARGET_FORMAT "a.out-i386-dynix"
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#endif
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#ifndef AOUT_TARGET_FORMAT
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#define AOUT_TARGET_FORMAT "a.out-i386"
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#endif
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#ifdef TE_FreeBSD
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#define ELF_TARGET_FORMAT "elf32-i386-freebsd"
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#define ELF_TARGET_FORMAT64 "elf64-x86-64-freebsd"
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#elif defined (TE_VXWORKS)
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#define ELF_TARGET_FORMAT "elf32-i386-vxworks"
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#elif defined (TE_NACL)
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#define ELF_TARGET_FORMAT "elf32-i386-nacl"
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#define ELF_TARGET_FORMAT32 "elf32-x86-64-nacl"
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#define ELF_TARGET_FORMAT64 "elf64-x86-64-nacl"
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#endif
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#ifdef TE_SOLARIS
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#define ELF_TARGET_FORMAT "elf32-i386-sol2"
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#define ELF_TARGET_FORMAT64 "elf64-x86-64-sol2"
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#endif
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#ifndef ELF_TARGET_FORMAT
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#define ELF_TARGET_FORMAT "elf32-i386"
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#endif
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#ifndef ELF_TARGET_FORMAT64
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#define ELF_TARGET_FORMAT64 "elf64-x86-64"
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#endif
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#ifndef ELF_TARGET_FORMAT32
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#define ELF_TARGET_FORMAT32 "elf32-x86-64"
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#endif
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#ifndef ELF_TARGET_L1OM_FORMAT
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#define ELF_TARGET_L1OM_FORMAT "elf64-l1om"
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#endif
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#ifndef ELF_TARGET_K1OM_FORMAT
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#define ELF_TARGET_K1OM_FORMAT "elf64-k1om"
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#endif
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#if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \
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|| defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \
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|| defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O))
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extern const char *i386_target_format (void);
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#define TARGET_FORMAT i386_target_format ()
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#else
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#ifdef TE_GO32
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#define TARGET_FORMAT "coff-go32"
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#endif
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#ifdef OBJ_AOUT
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#define TARGET_FORMAT AOUT_TARGET_FORMAT
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#endif
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#endif
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#if (defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF))
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#define md_end i386_elf_emit_arch_note
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extern void i386_elf_emit_arch_note (void);
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#endif
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#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
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/* '$' may be used as immediate prefix. */
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#undef LOCAL_LABELS_DOLLAR
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#define LOCAL_LABELS_DOLLAR 0
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#undef LOCAL_LABELS_FB
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#define LOCAL_LABELS_FB 1
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extern const char extra_symbol_chars[];
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#define tc_symbol_chars extra_symbol_chars
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extern const char *i386_comment_chars;
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#define tc_comment_chars i386_comment_chars
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/* The name of the global offset table generated by the compiler. Allow
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this to be overridden if need be. */
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#ifndef GLOBAL_OFFSET_TABLE_NAME
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#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
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#endif
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#if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) && !defined (LEX_AT)
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#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) x86_cons (EXP, NBYTES)
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#endif
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extern void x86_cons (expressionS *, int);
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#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) x86_cons_fix_new(FRAG, OFF, LEN, EXP)
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extern void x86_cons_fix_new
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(fragS *, unsigned int, unsigned int, expressionS *);
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#define TC_ADDRESS_BYTES x86_address_bytes
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extern int x86_address_bytes (void);
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#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
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#define NO_RELOC BFD_RELOC_NONE
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void i386_validate_fix (struct fix *);
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#define TC_VALIDATE_FIX(FIX,SEGTYPE,SKIP) i386_validate_fix(FIX)
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#define tc_fix_adjustable(X) tc_i386_fix_adjustable(X)
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extern int tc_i386_fix_adjustable (struct fix *);
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/* Values passed to md_apply_fix don't include the symbol value. */
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#define MD_APPLY_SYM_VALUE(FIX) 0
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/* ELF wants external syms kept, as does PE COFF. */
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#if defined (TE_PE) && defined (STRICT_PE_FORMAT)
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#define EXTERN_FORCE_RELOC \
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(OUTPUT_FLAVOR == bfd_target_elf_flavour \
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|| OUTPUT_FLAVOR == bfd_target_coff_flavour)
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#else
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#define EXTERN_FORCE_RELOC \
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(OUTPUT_FLAVOR == bfd_target_elf_flavour)
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#endif
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/* This expression evaluates to true if the relocation is for a local
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object for which we still want to do the relocation at runtime.
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False if we are willing to perform this relocation while building
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the .o file. GOTOFF and GOT32 do not need to be checked here because
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they are not pcrel. .*/
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#define TC_FORCE_RELOCATION_LOCAL(FIX) \
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(!(FIX)->fx_pcrel \
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|| (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \
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|| (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \
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|| (FIX)->fx_r_type == BFD_RELOC_X86_64_GOTPCREL \
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|| TC_FORCE_RELOCATION (FIX))
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extern int i386_parse_name (char *, expressionS *, char *);
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#define md_parse_name(s, e, m, c) i386_parse_name (s, e, c)
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extern operatorT i386_operator (const char *name, unsigned int operands, char *);
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#define md_operator i386_operator
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extern int i386_need_index_operator (void);
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#define md_need_index_operator i386_need_index_operator
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#define md_register_arithmetic 0
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extern const struct relax_type md_relax_table[];
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#define TC_GENERIC_RELAX_TABLE md_relax_table
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extern int optimize_align_code;
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#define md_do_align(n, fill, len, max, around) \
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if ((n) \
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&& !need_pass_2 \
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&& optimize_align_code \
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&& (!(fill) \
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|| ((char)*(fill) == (char)0x90 && (len) == 1)) \
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&& subseg_text_p (now_seg)) \
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{ \
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frag_align_code ((n), (max)); \
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goto around; \
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}
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#define MAX_MEM_FOR_RS_ALIGN_CODE 31
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extern void i386_align_code (fragS *, int);
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#define HANDLE_ALIGN(fragP) \
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if (fragP->fr_type == rs_align_code) \
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i386_align_code (fragP, (fragP->fr_next->fr_address \
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- fragP->fr_address \
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- fragP->fr_fix));
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void i386_print_statistics (FILE *);
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#define tc_print_statistics i386_print_statistics
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extern unsigned int i386_frag_max_var (fragS *);
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#define md_frag_max_var i386_frag_max_var
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#define md_number_to_chars number_to_chars_littleendian
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enum processor_type
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{
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PROCESSOR_UNKNOWN,
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PROCESSOR_I386,
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PROCESSOR_I486,
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PROCESSOR_PENTIUM,
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PROCESSOR_PENTIUMPRO,
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PROCESSOR_PENTIUM4,
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PROCESSOR_NOCONA,
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PROCESSOR_CORE,
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PROCESSOR_CORE2,
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PROCESSOR_COREI7,
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PROCESSOR_L1OM,
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PROCESSOR_K1OM,
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PROCESSOR_K6,
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PROCESSOR_ATHLON,
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PROCESSOR_K8,
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PROCESSOR_GENERIC32,
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PROCESSOR_GENERIC64,
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PROCESSOR_AMDFAM10,
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PROCESSOR_BD,
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PROCESSOR_BT
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};
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extern enum processor_type cpu_arch_tune;
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extern enum processor_type cpu_arch_isa;
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extern i386_cpu_flags cpu_arch_isa_flags;
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struct i386_tc_frag_data
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{
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enum processor_type isa;
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i386_cpu_flags isa_flags;
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enum processor_type tune;
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};
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/* We need to emit the right NOP pattern in .align frags. This is
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done after the text-to-bits assembly pass, so we need to mark it with
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the isa/tune settings at the time the .align was assembled. */
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#define TC_FRAG_TYPE struct i386_tc_frag_data
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#define TC_FRAG_INIT(FRAGP) \
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do \
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{ \
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(FRAGP)->tc_frag_data.isa = cpu_arch_isa; \
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(FRAGP)->tc_frag_data.isa_flags = cpu_arch_isa_flags; \
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(FRAGP)->tc_frag_data.tune = cpu_arch_tune; \
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} \
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while (0)
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#ifdef SCO_ELF
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#define tc_init_after_args() sco_id ()
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extern void sco_id (void);
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#endif
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#define WORKING_DOT_WORD 1
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/* We want .cfi_* pseudo-ops for generating unwind info. */
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#define TARGET_USE_CFIPOP 1
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extern unsigned int x86_dwarf2_return_column;
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#define DWARF2_DEFAULT_RETURN_COLUMN x86_dwarf2_return_column
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extern int x86_cie_data_alignment;
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#define DWARF2_CIE_DATA_ALIGNMENT x86_cie_data_alignment
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extern int x86_dwarf2_addr_size (void);
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#define DWARF2_ADDR_SIZE(bfd) x86_dwarf2_addr_size ()
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#define tc_parse_to_dw2regnum tc_x86_parse_to_dw2regnum
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extern void tc_x86_parse_to_dw2regnum (expressionS *);
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#define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions
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extern void tc_x86_frame_initial_instructions (void);
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#define md_elf_section_type(str,len) i386_elf_section_type (str, len)
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extern int i386_elf_section_type (const char *, size_t);
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#ifdef TE_SOLARIS
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#define md_fix_up_eh_frame(sec) i386_solaris_fix_up_eh_frame (sec)
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extern void i386_solaris_fix_up_eh_frame (segT);
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#endif
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/* Support for SHF_X86_64_LARGE */
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extern bfd_vma x86_64_section_word (char *, size_t);
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extern bfd_vma x86_64_section_letter (int, char **);
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#define md_elf_section_letter(LETTER, PTR_MSG) x86_64_section_letter (LETTER, PTR_MSG)
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#define md_elf_section_word(STR, LEN) x86_64_section_word (STR, LEN)
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#ifdef TE_PE
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#define O_secrel O_md1
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#define TC_DWARF2_EMIT_OFFSET tc_pe_dwarf2_emit_offset
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void tc_pe_dwarf2_emit_offset (symbolS *, unsigned int);
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#endif /* TE_PE */
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/* X_add_symbol:X_op_symbol (Intel mode only) */
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#define O_full_ptr O_md2
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#ifdef OBJ_MACH_O
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#define TC_FORCE_RELOCATION(FIX) (obj_mach_o_force_reloc (FIX))
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#define TC_FORCE_RELOCATION_SUB_SAME(FIX,SEG) \
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(obj_mach_o_force_reloc_sub_same (FIX, SEG))
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#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX,SEG) \
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(obj_mach_o_force_reloc_sub_local (FIX, SEG))
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#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1
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#endif /* OBJ_MACH_O */
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#endif /* TC_I386 */
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