gcc/config/i386/sun386.h

   1 /* Definitions for Sun assembler syntax for the Intel 80386.
   2    Copyright (C) 1988, 1996, 2000 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
  22 /* Include common aspects of all 386 Unix assemblers.  */
  23 #include "i386/unix.h"
  24
  25 #define TARGET_VERSION fprintf (stderr, " (80386, Sun syntax)");
  26
  27 /* Define the syntax of instructions and addresses.  */
  28
  29 /* Prefix for internally generated assembler labels.  */
  30 #define LPREFIX ".L"
  31
  32 /* Define the syntax of pseudo-ops, labels and comments.  */
  33
  34 /* Assembler pseudos to introduce constants of various size.  */
  35
  36 #define ASM_SHORT "\t.value\t"
  37 #define ASM_LONG "\t.long\t"
  38 #define ASM_QUAD "\t.quad\t"  /* Should not be used for 32bit compilation.  */
  39
  40
  41 /* How to output an ASCII string constant.  */
  42
  43 #define ASM_OUTPUT_ASCII(FILE, PTR, SIZE) \
  44 do                                                              \
  45 { size_t i = 0, limit = (SIZE);                                 \
  46   while (i < limit)                                             \
  47     { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n");        \
  48                        fputs ("\t.byte\t", (FILE)); }           \
  49       else fprintf ((FILE), ",");                               \
  50       fprintf ((FILE), "0x%x", ((PTR)[i++] & 0377)) ;}          \
  51       fprintf ((FILE), "\n");                                   \
  52 } while (0)
  53
  54 /* Output at beginning of assembler file.  */
  55 /* The .file command should always begin the output.  */
  56
  57 #undef ASM_FILE_START
  58 #define ASM_FILE_START(FILE) \
  59   do {                                                  \
  60     {                                                   \
  61       const int len = strlen (main_input_filename);     \
  62       const char *na = main_input_filename + len;       \
  63       char shorter[15];                                 \
  64       /* NA gets MAIN_INPUT_FILENAME sans directory names.  */\
  65       while (na > main_input_filename)                  \
  66         {                                               \
  67           if (na[-1] == '/')                            \
  68             break;                                      \
  69           na--;                                         \
  70         }                                               \
  71       strncpy (shorter, na, 14);                        \
  72       shorter[14] = 0;                                  \
  73       fprintf (FILE, "\t.file\t");                      \
  74       output_quoted_string (FILE, shorter);             \
  75       fprintf (FILE, "\n");                             \
  76     }                                                   \
  77     fprintf (FILE, "\t.version\t\"%s %s\"\n",           \
  78              lang_hooks.name, version_string);          \
  79     if (optimize) ASM_FILE_START_1 (FILE);              \
  80   } while (0)
  81
  82 #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
  83
  84 /* This is how to output an assembler line
  85    that says to advance the location counter
  86    to a multiple of 2**LOG bytes.  */
  87
  88 #define ASM_OUTPUT_ALIGN(FILE,LOG)      \
  89     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
  90
  91 /* This is how to output an assembler line
  92    that says to advance the location counter by SIZE bytes.  */
  93
  94 #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
  95   fprintf ((FILE), "\t.set\t.,.+%u\n", (SIZE))
  96
  97 /* Output before read-only data.  */
  98
  99 #undef TEXT_SECTION_ASM_OP
 100 #define TEXT_SECTION_ASM_OP "\t.text"
 101
 102 /* Output before writable data.  */
 103
 104 #undef DATA_SECTION_ASM_OP
 105 #define DATA_SECTION_ASM_OP "\t.data"
 106
 107 /* Define the syntax of labels and symbol definitions/declarations.  */
 108
 109 /* This says how to output an assembler line
 110    to define a global common symbol.  */
 111
 112 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
 113 ( fputs (".comm ", (FILE)),                     \
 114   assemble_name ((FILE), (NAME)),               \
 115   fprintf ((FILE), ",%u\n", (ROUNDED)))
 116
 117 /* This says how to output an assembler line
 118    to define a local common symbol.  */
 119
 120 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
 121 ( fputs (".lcomm ", (FILE)),                    \
 122   assemble_name ((FILE), (NAME)),               \
 123   fprintf ((FILE), ",%u\n", (ROUNDED)))
 124
 125 /* This is how to store into the string BUF
 126    the symbol_ref name of an internal numbered label where
 127    PREFIX is the class of label and NUM is the number within the class.
 128    This is suitable for output with `assemble_name'.  */
 129
 130 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)  \
 131   sprintf ((BUF), "*.%s%ld", (PREFIX), (long)(NUMBER))
 132
 133 /* The prefix to add to user-visible assembler symbols.  */
 134
 135 #define USER_LABEL_PREFIX ""
 136
 137 /* This is how to output an internal numbered label where
 138    PREFIX is the class of label and NUM is the number within the class.  */
 139
 140 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)      \
 141   fprintf (FILE, ".%s%d:\n", PREFIX, NUM)