gcc/config/i386/lynx-ng.h

   1 /* Definitions for Intel 386 running LynxOS, using Lynx's old as and ld.
   2    Copyright (C) 1993, 1995, 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 #define TARGET_VERSION fprintf (stderr, " (80386, LYNX BSD syntax)");
  22
  23 #define TARGET_OS_CPP_BUILTINS()                \
  24   do                                            \
  25     {                                           \
  26         builtin_define_std ("unix");            \
  27         builtin_define_std ("I386");            \
  28         builtin_define_std ("Lynx");            \
  29         builtin_define_std ("IBITS32");         \
  30         builtin_assert ("system=unix");         \
  31         builtin_assert ("system=lynx");         \
  32     }                                           \
  33   while (0)
  34
  35 /* Provide required defaults for linker switches.  */
  36
  37 #undef LINK_SPEC
  38 #define LINK_SPEC "-P1000 %{msystem-v:-V} %{mcoff:-k}"
  39
  40 /* Apparently LynxOS clobbers ebx when you call into the OS.  */
  41
  42 #undef CALL_USED_REGISTERS
  43 #define CALL_USED_REGISTERS \
  44 /*ax,dx,cx,bx,si,di,bp,sp,st,st1,st2,st3,st4,st5,st6,st7,arg*/ \
  45 {  1, 1, 1, 1, 0, 0, 0, 1, 1,  1,  1,  1,  1,  1,  1,  1,  1 }
  46
  47 /* Prefix for internally generated assembler labels.  If we aren't using
  48    underscores, we are using prefix `.'s to identify labels that should
  49    be ignored, as in `i386/gas.h' --karl@cs.umb.edu  */
  50
  51 #undef  LPREFIX
  52 #define LPREFIX ".L"
  53
  54 /* The prefix to add to user-visible assembler symbols.  */
  55
  56 #undef  USER_LABEL_PREFIX
  57 #define USER_LABEL_PREFIX ""
  58
  59 /* If user-symbols don't have underscores,
  60    then it must take more than `L' to identify
  61    a label that should be ignored.  */
  62
  63 /* This is how to store into the string BUF
  64    the symbol_ref name of an internal numbered label where
  65    PREFIX is the class of label and NUM is the number within the class.
  66    This is suitable for output with `assemble_name'.  */
  67
  68 #undef  ASM_GENERATE_INTERNAL_LABEL
  69 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)  \
  70   sprintf ((BUF), ".%s%ld", (PREFIX), (long)(NUMBER))