gcc/config/i386/sun386.h

   1 /* Definitions for Sun assembler syntax for the Intel 80386.
   2    Copyright (C) 1988, 1996 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_BYTE_OP "\t.byte"
  37 #define ASM_SHORT "\t.value"
  38 #define ASM_LONG "\t.long"
  39 #define ASM_DOUBLE "\t.double"
  40
  41 /* How to output an ASCII string constant.  */
  42
  43 #define ASM_OUTPUT_ASCII(FILE, p, size) \
  44 do                                                              \
  45 { int i = 0;                                                    \
  46   while (i < (size))                                            \
  47     { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n");        \
  48                        fprintf ((FILE), "%s ", ASM_BYTE_OP); }  \
  49       else fprintf ((FILE), ",");                               \
  50       fprintf ((FILE), "0x%x", ((p)[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     extern char *version_string;                        \
  61     {                                                   \
  62       int len = strlen (main_input_filename);           \
  63       char *na = main_input_filename + len;             \
  64       char shorter[15];                                 \
  65       /* NA gets MAIN_INPUT_FILENAME sans directory names.  */\
  66       while (na > main_input_filename)                  \
  67         {                                               \
  68           if (na[-1] == '/')                            \
  69             break;                                      \
  70           na--;                                         \
  71         }                                               \
  72       strncpy (shorter, na, 14);                        \
  73       shorter[14] = 0;                                  \
  74       fprintf (FILE, "\t.file\t");                      \
  75       output_quoted_string (FILE, shorter);             \
  76       fprintf (FILE, "\n");                             \
  77     }                                                   \
  78     fprintf (FILE, "\t.version\t\"%s %s\"\n",           \
  79              language_string, version_string);          \
  80     if (optimize) ASM_FILE_START_1 (FILE);              \
  81   } while (0)
  82
  83 #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
  84
  85 /* This is how to output an assembler line
  86    that says to advance the location counter
  87    to a multiple of 2**LOG bytes.  */
  88
  89 #define ASM_OUTPUT_ALIGN(FILE,LOG)      \
  90     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
  91
  92 /* This is how to output an assembler line
  93    that says to advance the location counter by SIZE bytes.  */
  94
  95 #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
  96   fprintf ((FILE), "\t.set\t.,.+%u\n", (SIZE))
  97
  98 /* Output before read-only data.  */
  99
 100 #undef TEXT_SECTION_ASM_OP
 101 #define TEXT_SECTION_ASM_OP ".text"
 102
 103 /* Output before writable data.  */
 104
 105 #undef DATA_SECTION_ASM_OP
 106 #define DATA_SECTION_ASM_OP ".data"
 107
 108 /* Define the syntax of labels and symbol definitions/declarations.  */
 109
 110 /* This says how to output an assembler line
 111    to define a global common symbol.  */
 112
 113 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
 114 ( fputs (".comm ", (FILE)),                     \
 115   assemble_name ((FILE), (NAME)),               \
 116   fprintf ((FILE), ",%u\n", (ROUNDED)))
 117
 118 /* This says how to output an assembler line
 119    to define a local common symbol.  */
 120
 121 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
 122 ( fputs (".lcomm ", (FILE)),                    \
 123   assemble_name ((FILE), (NAME)),               \
 124   fprintf ((FILE), ",%u\n", (ROUNDED)))
 125
 126 /* This is how to store into the string BUF
 127    the symbol_ref name of an internal numbered label where
 128    PREFIX is the class of label and NUM is the number within the class.
 129    This is suitable for output with `assemble_name'.  */
 130
 131 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)  \
 132   sprintf ((BUF), "*.%s%d", (PREFIX), (NUMBER))
 133
 134 /* The prefix to add to user-visible assembler symbols. */
 135
 136 #define USER_LABEL_PREFIX ""
 137
 138 /* This is how to output an internal numbered label where
 139    PREFIX is the class of label and NUM is the number within the class.  */
 140
 141 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)      \
 142   fprintf (FILE, ".%s%d:\n", PREFIX, NUM)