gcc/config/i386/lynx.h

   1 /* Definitions for Intel 386 running LynxOS.
   2    Copyright (C) 1993, 1995, 1996, 2002 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC 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 GNU CC 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 GNU CC; 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 #define TARGET_VERSION fprintf (stderr, " (80386, LYNX BSD syntax)");
  22
  23 #define TARGET_OS_CPP_BUILTINS()                \
  24   do                                            \
  25     {                                           \
  26         builtin_define_std ("I386");            \
  27         builtin_define_std ("Lynx");            \
  28         builtin_define_std ("IBITS32");         \
  29         builtin_assert ("system=unix");         \
  30         builtin_assert ("system=lynx");         \
  31     }                                           \
  32   while (0)
  33
  34 /* The prefix to add to user-visible assembler symbols.  */
  35
  36 /* Override the svr3 convention of adding a leading underscore.  */
  37
  38 #undef USER_LABEL_PREFIX
  39 #define USER_LABEL_PREFIX ""
  40
  41 /* Apparently LynxOS clobbers ebx when you call into the OS.  */
  42
  43 #undef CALL_USED_REGISTERS
  44 #define CALL_USED_REGISTERS \
  45 /*ax,dx,cx,bx,si,di,bp,sp,st,st1,st2,st3,st4,st5,st6,st7,arg*/ \
  46 {  1, 1, 1, 1, 0, 0, 0, 1, 1,  1,  1,  1,  1,  1,  1,  1,  1 }
  47
  48 /* Prefix for internally generated assembler labels.  If we aren't using
  49    underscores, we are using prefix `.'s to identify labels that should
  50    be ignored, as in `i386/gas.h' --karl@cs.umb.edu  */
  51
  52 #undef  LPREFIX
  53 #define LPREFIX ".L"
  54
  55 /* The prefix to add to user-visible assembler symbols.  */
  56
  57 #undef  USER_LABEL_PREFIX
  58 #define USER_LABEL_PREFIX ""
  59
  60 /* If user-symbols don't have underscores,
  61    then it must take more than `L' to identify
  62    a label that should be ignored.  */
  63
  64 /* This is how to store into the string BUF
  65    the symbol_ref name of an internal numbered label where
  66    PREFIX is the class of label and NUM is the number within the class.
  67    This is suitable for output with `assemble_name'.  */
  68
  69 #undef  ASM_GENERATE_INTERNAL_LABEL
  70 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)  \
  71   sprintf ((BUF), ".%s%ld", (PREFIX), (long)(NUMBER))