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Annotation of gcc/config/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 "unx386.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: { int i = 0;                                                   \
        !            44:   while (i < (size))                                           \
        !            45:     { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n");               \
        !            46:                       fprintf ((FILE), "%s ", ASM_BYTE_OP); }  \
        !            47:       else fprintf ((FILE), ",");                                      \
        !            48:       fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;}           \
        !            49:       fprintf ((FILE), "\n"); }
        !            50: 
        !            51: /* Output at beginning of assembler file.  */
        !            52: /* The .file command should always begin the output.  */
        !            53: 
        !            54: #undef ASM_FILE_START
        !            55: #define ASM_FILE_START(FILE) \
        !            56:   do {                                                 \
        !            57:     extern char *version_string, *language_string;     \
        !            58:     {                                                  \
        !            59:       int len = strlen (dump_base_name);               \
        !            60:       char *na = dump_base_name + len;                 \
        !            61:       char shorter[15];                                        \
        !            62:       /* NA gets DUMP_BASE_NAME sans directory names.  */\
        !            63:       while (na > dump_base_name)                      \
        !            64:        {                                               \
        !            65:          if (na[-1] == '/')                            \
        !            66:            break;                                      \
        !            67:          na--;                                         \
        !            68:        }                                               \
        !            69:       strncpy (shorter, na, 14);                       \
        !            70:       shorter[14] = 0;                                 \
        !            71:       fprintf (FILE, "\t.file\t\"%s\"\n", shorter);    \
        !            72:     }                                                  \
        !            73:     fprintf (FILE, "\t.version\t\"%s %s\"\n",          \
        !            74:             language_string, version_string);          \
        !            75:     if (optimize) ASM_FILE_START_1 (FILE);             \
        !            76:   } while (0)
        !            77: 
        !            78: #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
        !            79: 
        !            80: /* This is how to output an assembler line
        !            81:    that says to advance the location counter
        !            82:    to a multiple of 2**LOG bytes.  */
        !            83: 
        !            84: #define ASM_OUTPUT_ALIGN(FILE,LOG)     \
        !            85:     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
        !            86: 
        !            87: /* This is how to output an assembler line
        !            88:    that says to advance the location counter by SIZE bytes.  */
        !            89: 
        !            90: #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
        !            91:   fprintf ((FILE), "\t.set\t.,.+%u\n", (SIZE))
        !            92: 
        !            93: /* Output before read-only data.  */
        !            94: 
        !            95: #define TEXT_SECTION_ASM_OP "\t.text"
        !            96: 
        !            97: /* Output before writable data.  */
        !            98: 
        !            99: #define DATA_SECTION_ASM_OP "\t.data"
        !           100: 
        !           101: /* Define the syntax of labels and symbol definitions/declarations.  */
        !           102: 
        !           103: /* This says how to output an assembler line
        !           104:    to define a global common symbol.  */
        !           105: 
        !           106: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
        !           107: ( fputs (".comm ", (FILE)),                    \
        !           108:   assemble_name ((FILE), (NAME)),              \
        !           109:   fprintf ((FILE), ",%u\n", (ROUNDED)))
        !           110: 
        !           111: /* This says how to output an assembler line
        !           112:    to define a local common symbol.  */
        !           113: 
        !           114: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
        !           115: ( fputs (".lcomm ", (FILE)),                   \
        !           116:   assemble_name ((FILE), (NAME)),              \
        !           117:   fprintf ((FILE), ",%u\n", (ROUNDED)))
        !           118: 
        !           119: /* This is how to store into the string BUF
        !           120:    the symbol_ref name of an internal numbered label where
        !           121:    PREFIX is the class of label and NUM is the number within the class.
        !           122:    This is suitable for output with `assemble_name'.  */
        !           123: 
        !           124: #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
        !           125:   sprintf ((BUF), ".%s%d", (PREFIX), (NUMBER))
        !           126: 
        !           127: /* This is how to output a reference to a user-level label named NAME.  */
        !           128: 
        !           129: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
        !           130:   fprintf (FILE, "%s", NAME)
        !           131: 
        !           132: /* This is how to output an internal numbered label where
        !           133:    PREFIX is the class of label and NUM is the number within the class.  */
        !           134: 
        !           135: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)     \
        !           136:   fprintf (FILE, ".%s%d:\n", PREFIX, NUM)

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