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Annotation of GNUtools/cc/config/i386/sun386.h, revision 1.1

1.1     ! root        1: /* Definitions for Sun assembler syntax for the Intel 80386.
        !             2:    Copyright (C) 1988 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: /* Include common aspects of all 386 Unix assemblers.  */
        !            22: #include "i386/unix.h"
        !            23: 
        !            24: #define TARGET_VERSION fprintf (stderr, " (80386, Sun syntax)");
        !            25: 
        !            26: /* Define the syntax of instructions and addresses.  */
        !            27: 
        !            28: /* Prefix for internally generated assembler labels.  */
        !            29: #define LPREFIX ".L"
        !            30: 
        !            31: /* Define the syntax of pseudo-ops, labels and comments.  */
        !            32: 
        !            33: /* Assembler pseudos to introduce constants of various size.  */
        !            34: 
        !            35: #define ASM_BYTE_OP "\t.byte"
        !            36: #define ASM_SHORT "\t.value"
        !            37: #define ASM_LONG "\t.long"
        !            38: #define ASM_DOUBLE "\t.double"
        !            39: 
        !            40: /* How to output an ASCII string constant.  */
        !            41: 
        !            42: #define ASM_OUTPUT_ASCII(FILE, p, size) \
        !            43: do                                                             \
        !            44: { int i = 0;                                                   \
        !            45:   while (i < (size))                                           \
        !            46:     { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n");       \
        !            47:                       fprintf ((FILE), "%s ", ASM_BYTE_OP); }  \
        !            48:       else fprintf ((FILE), ",");                              \
        !            49:       fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;}           \
        !            50:       fprintf ((FILE), "\n");                                  \
        !            51: } while (0)
        !            52: 
        !            53: /* Output at beginning of assembler file.  */
        !            54: /* The .file command should always begin the output.  */
        !            55: 
        !            56: #undef ASM_FILE_START
        !            57: #define ASM_FILE_START(FILE) \
        !            58:   do {                                                 \
        !            59:     extern char *version_string, *language_string;     \
        !            60:     {                                                  \
        !            61:       int len = strlen (dump_base_name);               \
        !            62:       char *na = dump_base_name + len;                 \
        !            63:       char shorter[15];                                        \
        !            64:       /* NA gets DUMP_BASE_NAME sans directory names.  */\
        !            65:       while (na > dump_base_name)                      \
        !            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:             language_string, 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 ".text"
        !           101: 
        !           102: /* Output before writable data.  */
        !           103: 
        !           104: #undef DATA_SECTION_ASM_OP
        !           105: #define DATA_SECTION_ASM_OP ".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%d", (PREFIX), (NUMBER))
        !           132: 
        !           133: /* This is how to output a reference to a user-level label named NAME.  */
        !           134: 
        !           135: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
        !           136:   fprintf (FILE, "%s", NAME)
        !           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)

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