sysdeps/i386/asm-syntax.h

   1 /* Definitions for x86 syntax variations.
   2    Copyright (C) 1992, 1994, 1995, 1997 Free Software Foundation, Inc.
   3
   4    This file is part of the GNU C Library.  Its master source is NOT part of
   5    the C library, however.  The master source lives in the GNU MP Library.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Library General Public License as
   9    published by the Free Software Foundation; either version 2 of the
  10    License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Library General Public License for more details.
  16
  17    You should have received a copy of the GNU Library General Public
  18    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  19    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #undef ALIGN
  23
  24 #ifdef GAS_SYNTAX
  25 #define R(r) %r
  26 #define MEM(base)(base)
  27 #define MEM_DISP(base,displacement)displacement(R(base))
  28 #define MEM_INDEX(base,index,size)(R(base),R(index),size)
  29 #ifdef __STDC__
  30 #define INSN1(mnemonic,size_suffix,dst)mnemonic##size_suffix dst
  31 #define INSN2(mnemonic,size_suffix,dst,src)mnemonic##size_suffix src,dst
  32 #else
  33 #define INSN1(mnemonic,size_suffix,dst)mnemonic/**/size_suffix dst
  34 #define INSN2(mnemonic,size_suffix,dst,src)mnemonic/**/size_suffix src,dst
  35 #endif
  36 #define TEXT .text
  37 #define ALIGN(log) .align log
  38 #define GLOBL .globl
  39 #endif
  40
  41 #ifdef INTEL_SYNTAX
  42 #define R(r) r
  43 #define MEM(base)[base]
  44 #define MEM_DISP(base,displacement)[base+(displacement)]
  45 #define MEM_INDEX(base,index,size)[base+index*size]
  46 #define INSN1(mnemonic,size_suffix,dst)mnemonic dst
  47 #define INSN2(mnemonic,size_suffix,dst,src)mnemonic dst,src
  48 #define TEXT .text
  49 #define ALIGN(log) .align log
  50 #define GLOBL .globl
  51 #endif
  52
  53 #ifdef BROKEN_ALIGN
  54 #undef ALIGN
  55 #define ALIGN(log) .align log,0x90
  56 #endif
  57
  58 #if !defined (NOLOG_ALIGN) && defined (HAVE_ELF)
  59 #define NOLOG_ALIGN
  60 #endif
  61
  62 #ifdef NOLOG_ALIGN
  63 #undef ALIGN
  64 #define ALIGN(log) .align 1<<log
  65 #endif
  66
  67 #undef L
  68 #ifdef __ELF__
  69 #ifdef __STDC__
  70 #define L(body) .L##body
  71 #else
  72 #define L(body) .L/**/body
  73 #endif
  74 #else
  75 #ifdef __STDC__
  76 #define L(body) L##body
  77 #else
  78 #define L(body) L/**/body
  79 #endif
  80 #endif