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Annotation of sys/arch/vax/include/asm.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: asm.h,v 1.8 2003/06/02 23:27:57 millert Exp $ */
        !             2: /*     $NetBSD: asm.h,v 1.9 1999/01/15 13:31:28 bouyer Exp $ */
        !             3: /*
        !             4:  * Copyright (c) 1982, 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. Neither the name of the University nor the names of its contributors
        !            16:  *    may be used to endorse or promote products derived from this software
        !            17:  *    without specific prior written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            29:  * SUCH DAMAGE.
        !            30:  *
        !            31:  *     @(#)DEFS.h      8.1 (Berkeley) 6/4/93
        !            32:  */
        !            33:
        !            34: #ifndef _MACHINE_ASM_H_
        !            35: #define _MACHINE_ASM_H_
        !            36:
        !            37: #define R0     0x001
        !            38: #define R1     0x002
        !            39: #define R2     0x004
        !            40: #define R3     0x008
        !            41: #define R4     0x010
        !            42: #define R5     0x020
        !            43: #define R6     0x040
        !            44: #define R7     0x080
        !            45: #define R8     0x100
        !            46: #define R9     0x200
        !            47: #define R10    0x400
        !            48: #define R11    0x800
        !            49:
        !            50: #ifdef __ELF__
        !            51: # define _C_LABEL(x)   x
        !            52: #else
        !            53: # ifdef __STDC__
        !            54: #  define _C_LABEL(x)  _ ## x
        !            55: # else
        !            56: #  define _C_LABEL(x)  _/**/x
        !            57: # endif
        !            58: #endif
        !            59:
        !            60: #define        _ASM_LABEL(x)   x
        !            61:
        !            62: #ifdef __STDC__
        !            63: # define __CONCAT(x,y) x ## y
        !            64: # define __STRING(x)   #x
        !            65: #else
        !            66: # define __CONCAT(x,y) x/**/y
        !            67: # define __STRING(x)   "x"
        !            68: #endif
        !            69:
        !            70: /* let kernels and others override entrypoint alignment */
        !            71: #ifndef _ALIGN_TEXT
        !            72: # ifdef __ELF__
        !            73: #  define _ALIGN_TEXT .align 4
        !            74: # else
        !            75: #  define _ALIGN_TEXT .align 2
        !            76: # endif
        !            77: #endif
        !            78:
        !            79: #define        _ENTRY(x, regs) \
        !            80:        .text; _ALIGN_TEXT; .globl x; .type x,@function; x: .word regs
        !            81:
        !            82: #ifdef GPROF
        !            83: # ifdef __ELF__
        !            84: #  define _PROF_PROLOGUE       \
        !            85:        .data; 1:; .long 0; .text; moval 1b,r0; jsb _ASM_LABEL(__mcount)
        !            86: # else
        !            87: #  define _PROF_PROLOGUE       \
        !            88:        .data; 1:; .long 0; .text; moval 1b,r0; jsb _ASM_LABEL(mcount)
        !            89: # endif
        !            90: #else
        !            91: # define _PROF_PROLOGUE
        !            92: #endif
        !            93:
        !            94: #define ENTRY(x, regs)         _ENTRY(_C_LABEL(x), regs); _PROF_PROLOGUE
        !            95: #define NENTRY(x, regs)                _ENTRY(_C_LABEL(x), regs)
        !            96: #define ASENTRY(x, regs)       _ENTRY(_ASM_LABEL(x), regs); _PROF_PROLOGUE
        !            97:
        !            98: #define ALTENTRY(x)            .globl _C_LABEL(x); _C_LABEL(x):
        !            99: #define RCSID(x)               .text; .asciz x
        !           100:
        !           101: #ifdef __ELF__
        !           102: #define        WEAK_ALIAS(alias,sym)                                           \
        !           103:        .weak alias;                                                    \
        !           104:        alias = sym
        !           105: #else
        !           106: #ifdef __STDC__
        !           107: #define        WEAK_ALIAS(alias,sym)                                           \
        !           108:        .weak _##alias;                                                 \
        !           109:        _##alias = _##sym
        !           110: #else
        !           111: #define        WEAK_ALIAS(alias,sym)                                           \
        !           112:        .weak _/**/alias;                                               \
        !           113:        _/**/alias = _/**/sym
        !           114: #endif
        !           115: #endif
        !           116:
        !           117: #ifdef __STDC__
        !           118: #define        WARN_REFERENCES(sym,msg)                                        \
        !           119:        .stabs msg ## ,30,0,0,0 ;                                       \
        !           120:        .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
        !           121: #else
        !           122: #define        WARN_REFERENCES(sym,msg)                                        \
        !           123:        .stabs msg,30,0,0,0 ;                                           \
        !           124:        .stabs __STRING(_C_LABEL(sym)),1,0,0,0
        !           125: #endif /* __STDC__ */
        !           126:
        !           127: #endif /* _MACHINE_ASM_H_ */