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Annotation of 43BSDReno/lib/libc/i386/SYS.h, revision 1.1.1.1

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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