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/*- |
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* Copyright (c) 1990 The Regents of the University of California. |
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* All rights reserved. |
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* |
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* This code is derived from software contributed to Berkeley by |
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* William Jolitz. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* @(#)SYS.h 5.5 (Berkeley) 5/7/91 |
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* $FreeBSD$ |
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*/ |
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|
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#include <sys/syscall.h> |
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#include <machine/asm.h> |
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|
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#define SYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ |
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ENTRY(__CONCAT(__sys_,x)); \ |
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.weak CNAME(x); \ |
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.set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ |
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.weak CNAME(__CONCAT(_,x)); \ |
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.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ |
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mov __CONCAT($SYS_,x),%eax; KERNCALL; jb 2b |
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|
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#define RSYSCALL(x) SYSCALL(x); ret; END(__CONCAT(__sys_,x)) |
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|
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#define PSEUDO(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ |
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ENTRY(__CONCAT(__sys_,x)); \ |
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.weak CNAME(__CONCAT(_,x)); \ |
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.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ |
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mov __CONCAT($SYS_,x),%eax; KERNCALL; jb 2b; ret; \ |
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END(__CONCAT(__sys_,x)) |
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|
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/* gas messes up offset -- although we don't currently need it, do for BCS */ |
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#define LCALL(x,y) .byte 0x9a ; .long y; .word x |
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|
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#define KERNCALL int $0x80 |
