gcc/config/i386/att.h

   1 /* Definitions for AT&T assembler syntax for the Intel 80386.
   2    Copyright (C) 1988, 1996, 2000, 2001, 2002, 2007, 2009
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC 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 3, or (at your option)
  10 any later version.
  11
  12 GCC 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 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 \f
  27 /* Define the syntax of instructions and addresses.  */
  28
  29 /* Prefix for internally generated assembler labels.  */
  30 #define LPREFIX ".L"
  31
  32 /* Assembler pseudos to introduce constants of various size.  */
  33
  34 #define ASM_BYTE "\t.byte\t"
  35 #define ASM_SHORT "\t.value\t"
  36 #define ASM_LONG "\t.long\t"
  37 #define ASM_QUAD "\t.quad\t"  /* Should not be used for 32bit compilation.  */
  38
  39 /* How to output an ASCII string constant.  */
  40
  41 #undef ASM_OUTPUT_ASCII
  42 #define ASM_OUTPUT_ASCII(FILE, PTR, SIZE)                       \
  43 do                                                              \
  44 { size_t i = 0, limit = (SIZE);                                 \
  45   while (i < limit)                                             \
  46     { if (i%10 == 0) { if (i!=0) putc ('\n', (FILE));           \
  47                        fputs (ASM_BYTE, (FILE)); }              \
  48       else putc (',', (FILE));                                  \
  49       fprintf ((FILE), "%#x", ((PTR)[i++] & 0377)) ;}           \
  50       putc ('\n', (FILE));                                      \
  51 } while (0)
  52
  53 /* Output at beginning of assembler file.  */
  54 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
  55
  56 /* This is how to output an assembler line
  57    that says to advance the location counter
  58    to a multiple of 2**LOG bytes.  */
  59
  60 #define ASM_OUTPUT_ALIGN(FILE,LOG)      \
  61     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
  62
  63 /* This is how to output an assembler line
  64    that says to advance the location counter by SIZE bytes.  */
  65
  66 #undef ASM_OUTPUT_SKIP
  67 #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
  68   fprintf ((FILE), "\t.set .,.+%u\n", (int)(SIZE))
  69
  70 /* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s.  */
  71
  72 #define ASM_NO_SKIP_IN_TEXT 1
  73 \f
  74 /* Define the syntax of labels and symbol definitions/declarations.  */
  75
  76 /* The prefix to add for compiler private assembler symbols.  */
  77 #undef LOCAL_LABEL_PREFIX
  78 #define LOCAL_LABEL_PREFIX "."
  79
  80 /* This is how to store into the string BUF
  81    the symbol_ref name of an internal numbered label where
  82    PREFIX is the class of label and NUM is the number within the class.
  83    This is suitable for output with `assemble_name'.  */
  84
  85 #undef ASM_GENERATE_INTERNAL_LABEL
  86 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)  \
  87   sprintf ((BUF), LOCAL_LABEL_PREFIX "%s%ld", (PREFIX), (long)(NUMBER))
  88
  89 /* The prefix to add to user-visible assembler symbols.  */
  90
  91 #undef USER_LABEL_PREFIX
  92 #define USER_LABEL_PREFIX ""