gcc/defaults.h

   1 /* Definitions of various defaults for how to do assembler output
   2    (most of which are designed to be appropriate for GAS or for
   3    some BSD assembler).
   4
   5    Written by Ron Guilmette (rfg@ncd.com)
   6
   7 Copyright (C) 1992 Free Software Foundation, Inc.
   8
   9 This file is part of GNU CC.
  10
  11 GNU CC is free software; you can redistribute it and/or modify
  12 it under the terms of the GNU General Public License as published by
  13 the Free Software Foundation; either version 2, or (at your option)
  14 any later version.
  15
  16 GNU CC is distributed in the hope that it will be useful,
  17 but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 GNU General Public License for more details.
  20
  21 You should have received a copy of the GNU General Public License
  22 along with GNU CC; see the file COPYING.  If not, write to
  23 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  24
  25 /* choose a reasonable default for ASM_OUTPUT_ASCII.  */
  26
  27 #ifndef ASM_OUTPUT_ASCII
  28 #define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
  29   do {                                                                        \
  30     FILE *_hide_asm_out_file = (MYFILE);                                      \
  31     char *_hide_p = (char *) (MYSTRING);                                      \
  32     int _hide_thissize = (MYLENGTH);                                          \
  33     {                                                                         \
  34       FILE *asm_out_file = _hide_asm_out_file;                                \
  35       char *p = _hide_p;                                                      \
  36       int thissize = _hide_thissize;                                          \
  37       int i;                                                                  \
  38       fprintf (asm_out_file, "\t.ascii \"");                                  \
  39                                                                               \
  40       for (i = 0; i < thissize; i++)                                          \
  41         {                                                                     \
  42           register int c = p[i];                                              \
  43           if (c == '\"' || c == '\\')                                         \
  44             putc ('\\', asm_out_file);                                        \
  45           if (c >= ' ' && c < 0177)                                           \
  46             putc (c, asm_out_file);                                           \
  47           else                                                                \
  48             {                                                                 \
  49               fprintf (asm_out_file, "\\%o", c);                              \
  50               /* After an octal-escape, if a digit follows,                   \
  51                  terminate one string constant and start another.             \
  52                  The Vax assembler fails to stop reading the escape           \
  53                  after three digits, so this is the only way we               \
  54                  can get it to parse the data properly.  */                   \
  55               if (i < thissize - 1                                            \
  56                   && p[i + 1] >= '0' && p[i + 1] <= '9')                      \
  57                 fprintf (asm_out_file, "\"\n\t.ascii \"");                    \
  58           }                                                                   \
  59         }                                                                     \
  60       fprintf (asm_out_file, "\"\n");                                         \
  61     }                                                                         \
  62   }                                                                           \
  63   while (0)
  64 #endif