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

1.1     ! root        1: /* Definitions for AT&T 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: /* Include common aspects of all 386 Unix assemblers.  */
        !            21: #include "i386/unix.h"
        !            22: 
        !            23: #define TARGET_VERSION fprintf (stderr, " (80386, ATT syntax)");
        !            24: 
        !            25: /* Define the syntax of instructions and addresses.  */
        !            26: 
        !            27: /* Prefix for internally generated assembler labels.  */
        !            28: #define LPREFIX ".L"
        !            29: 
        !            30: /* Assembler pseudos to introduce constants of various size.  */
        !            31: 
        !            32: /* #define ASM_BYTE_OP "\t.byte"  Now in svr3.h or svr4.h.  */
        !            33: #define ASM_SHORT "\t.value"
        !            34: #define ASM_LONG "\t.long"
        !            35: #define ASM_DOUBLE "\t.double"
        !            36: 
        !            37: /* How to output an ASCII string constant.  */
        !            38: 
        !            39: #define ASM_OUTPUT_ASCII(FILE, p, size) \
        !            40: do                                                             \
        !            41: { int i = 0;                                                   \
        !            42:   while (i < (size))                                           \
        !            43:     { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n");       \
        !            44:                       fprintf ((FILE), "%s ", ASM_BYTE_OP); }  \
        !            45:       else fprintf ((FILE), ",");                              \
        !            46:        fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;}          \
        !            47:       fprintf ((FILE), "\n");                                  \
        !            48: } while (0)
        !            49: 
        !            50: /* Do use .optim by default on this machine.  */
        !            51: #undef ASM_FILE_START_1
        !            52: #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
        !            53: 
        !            54: /* This is how to output an assembler line
        !            55:    that says to advance the location counter
        !            56:    to a multiple of 2**LOG bytes.  */
        !            57: 
        !            58: #define ASM_OUTPUT_ALIGN(FILE,LOG)     \
        !            59:     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
        !            60: 
        !            61: /* This is how to output an assembler line
        !            62:    that says to advance the location counter by SIZE bytes.  */
        !            63: 
        !            64: #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
        !            65:   fprintf ((FILE), "\t.set .,.+%u\n", (SIZE))
        !            66: 
        !            67: /* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s.  */
        !            68: 
        !            69: #define ASM_NO_SKIP_IN_TEXT 1
        !            70: 
        !            71: #undef BSS_SECTION_FUNCTION  /* Override the definition from svr3.h.  */
        !            72: #define BSS_SECTION_FUNCTION \
        !            73: void                                                           \
        !            74: bss_section ()                                                 \
        !            75: {                                                              \
        !            76:   if (in_section != in_bss)                                    \
        !            77:     {                                                          \
        !            78:       fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP);      \
        !            79:       in_section = in_bss;                                     \
        !            80:     }                                                          \
        !            81: }
        !            82: 
        !            83: /* Define the syntax of labels and symbol definitions/declarations.  */
        !            84: 
        !            85: /* This is how to store into the string BUF
        !            86:    the symbol_ref name of an internal numbered label where
        !            87:    PREFIX is the class of label and NUM is the number within the class.
        !            88:    This is suitable for output with `assemble_name'.  */
        !            89: 
        !            90: #undef ASM_GENERATE_INTERNAL_LABEL
        !            91: #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
        !            92:   sprintf ((BUF), ".%s%d", (PREFIX), (NUMBER))
        !            93: 
        !            94: /* This is how to output an internal numbered label where
        !            95:    PREFIX is the class of label and NUM is the number within the class.  */
        !            96: 
        !            97: #undef ASM_OUTPUT_INTERNAL_LABEL
        !            98: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)     \
        !            99:   fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
        !           100: 
        !           101: /* This is how to output a reference to a user-level label named NAME.  */
        !           102: 
        !           103: #undef ASM_OUTPUT_LABELREF
        !           104: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
        !           105:   fprintf (FILE, "%s", NAME)

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