gcc/config/i386/att.h

   1 /* Definitions for AT&T assembler syntax for the Intel 80386.
   2    Copyright (C) 1988, 1996, 2000, 2001, 2002
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC 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
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 \f
  23 /* Define the syntax of instructions and addresses.  */
  24
  25 /* Prefix for internally generated assembler labels.  */
  26 #define LPREFIX ".L"
  27
  28 /* Assembler pseudos to introduce constants of various size.  */
  29
  30 #define ASM_SHORT "\t.value\t"
  31 #define ASM_LONG "\t.long\t"
  32 #define ASM_QUAD "\t.quad\t"  /* Should not be used for 32bit compilation.  */
  33
  34 /* How to output an ASCII string constant.  */
  35
  36 #define ASM_OUTPUT_ASCII(FILE, PTR, SIZE)                       \
  37 do                                                              \
  38 { size_t i = 0, limit = (SIZE);                                 \
  39   while (i < limit)                                             \
  40     { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n");        \
  41                        fputs ("\t.byte\t", (FILE)); }           \
  42       else fprintf ((FILE), ",");                               \
  43         fprintf ((FILE), "0x%x", ((PTR)[i++] & 0377)) ;}        \
  44       fprintf ((FILE), "\n");                                   \
  45 } while (0)
  46
  47 /* Output at beginning of assembler file.  */
  48 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
  49
  50 /* This is how to output an assembler line
  51    that says to advance the location counter
  52    to a multiple of 2**LOG bytes.  */
  53
  54 #define ASM_OUTPUT_ALIGN(FILE,LOG)      \
  55     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
  56
  57 /* This is how to output an assembler line
  58    that says to advance the location counter by SIZE bytes.  */
  59
  60 #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
  61   fprintf ((FILE), "\t.set .,.+%u\n", (int)(SIZE))
  62
  63 /* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s.  */
  64
  65 #define ASM_NO_SKIP_IN_TEXT 1
  66 \f
  67 /* Define the syntax of labels and symbol definitions/declarations.  */
  68
  69 /* The prefix to add for compiler private assembler symbols.  */
  70 #undef LOCAL_LABEL_PREFIX
  71 #define LOCAL_LABEL_PREFIX "."
  72
  73 /* This is how to store into the string BUF
  74    the symbol_ref name of an internal numbered label where
  75    PREFIX is the class of label and NUM is the number within the class.
  76    This is suitable for output with `assemble_name'.  */
  77
  78 #undef ASM_GENERATE_INTERNAL_LABEL
  79 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)  \
  80   sprintf ((BUF), "%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUMBER))
  81
  82 /* The prefix to add to user-visible assembler symbols.  */
  83
  84 #undef USER_LABEL_PREFIX
  85 #define USER_LABEL_PREFIX ""