gcc/config/i386/unix.h

   1 /* Definitions for Unix assembler syntax for the Intel 80386.
   2    Copyright (C) 1988, 1994, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* This file defines the aspects of assembler syntax
  22    that are the same for all the i386 Unix systems
  23    (though they may differ in non-Unix systems).  */
  24
  25 /* Define macro used to output shift-double opcodes when the shift
  26    count is in %cl.  Some assemblers require %cl as an argument;
  27    some don't.  This macro controls what to do: by default, don't
  28    print %cl.  */
  29 #define SHIFT_DOUBLE_OMITS_COUNT 1
  30 \f
  31 /* Define the syntax of pseudo-ops, labels and comments.  */
  32
  33 /* String containing the assembler's comment-starter.  */
  34
  35 #define ASM_COMMENT_START "/"
  36
  37 /* Output to assembler file text saying following lines
  38    may contain character constants, extra white space, comments, etc.  */
  39
  40 #define ASM_APP_ON "/APP\n"
  41
  42 /* Output to assembler file text saying following lines
  43    no longer contain unusual constructs.  */
  44
  45 #define ASM_APP_OFF "/NO_APP\n"
  46
  47 /* Output before read-only data.  */
  48
  49 #define TEXT_SECTION_ASM_OP "\t.text"
  50
  51 /* Output before writable (initialized) data.  */
  52
  53 #define DATA_SECTION_ASM_OP "\t.data"
  54
  55 /* Output before writable (uninitialized) data.  */
  56
  57 #define BSS_SECTION_ASM_OP "\t.bss"
  58
  59 /* Globalizing directive for a label.  */
  60 #define GLOBAL_ASM_OP ".globl "
  61
  62 /* By default, target has a 80387, uses IEEE compatible arithmetic,
  63    and returns float values in the 387.  */
  64
  65 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)