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Annotation of 43BSDReno/lib/libc/i386/SYS.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * William Jolitz.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms are permitted
        !             9:  * provided that: (1) source distributions retain this entire copyright
        !            10:  * notice and comment, and (2) distributions including binaries display
        !            11:  * the following acknowledgement:  ``This product includes software
        !            12:  * developed by the University of California, Berkeley and its contributors''
        !            13:  * in the documentation or other materials provided with the distribution
        !            14:  * and in all advertising materials mentioning features or use of this
        !            15:  * software. Neither the name of the University nor the names of its
        !            16:  * contributors may be used to endorse or promote products derived
        !            17:  * from this software without specific prior written permission.
        !            18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            19:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            20:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            21:  *
        !            22:  *     @(#)SYS.h       5.2 (Berkeley) 5/30/90
        !            23:  */
        !            24: 
        !            25: #include <syscall.h>
        !            26: 
        !            27: #ifdef PROF
        !            28: #define        ENTRY(x)        .globl _/**/x; \
        !            29:                        .data; 1:; .long 0; .text; _/**/x:      .align 4; \
        !            30:                        movl $1b,%eax; call mcount
        !            31: #else
        !            32: #define        ENTRY(x)        .globl _/**/x; .text; .align 4; _/**/x: 
        !            33: #endif PROF
        !            34: #define        SYSCALL(x)      2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b
        !            35: #define        PSEUDO(x,y)     ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0)
        !            36: #define        CALL(x,y)       call _/**/y; addl $4*x,%esp
        !            37: /* gas fucks up offset -- although we don't currently need it, do for BCS */
        !            38: #define        LCALL(x,y)      .byte 0x9a ; .long y; .word x
        !            39: 
        !            40: #define        ASMSTR          .asciz
        !            41: 
        !            42:        .globl  cerror

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