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, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 37 *
| 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, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 37 *
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38 * $FreeBSD: head/lib/libc/i386/SYS.h 85437 2001-10-24 20:29:14Z peter $
| 38 * $FreeBSD: head/lib/libc/i386/SYS.h 87006 2001-11-27 20:51:26Z jhb $
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39 */ 40 41#include <sys/syscall.h> 42#include <machine/asm.h> 43 44#define SYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ 45 ENTRY(__CONCAT(__sys_,x)); \ 46 .weak CNAME(x); \ 47 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 48 .weak CNAME(__CONCAT(_,x)); \ 49 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
| 39 */ 40 41#include <sys/syscall.h> 42#include <machine/asm.h> 43 44#define SYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ 45 ENTRY(__CONCAT(__sys_,x)); \ 46 .weak CNAME(x); \ 47 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 48 .weak CNAME(__CONCAT(_,x)); \ 49 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
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50 lea __CONCAT(SYS_,x),%eax; KERNCALL; jb 2b
| 50 mov __CONCAT($SYS_,x),%eax; KERNCALL; jb 2b
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51 52#define RSYSCALL(x) SYSCALL(x); ret 53 54#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 55 .weak CNAME(__CONCAT(_,x)); \ 56 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
| 51 52#define RSYSCALL(x) SYSCALL(x); ret 53 54#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 55 .weak CNAME(__CONCAT(_,x)); \ 56 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
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57 lea __CONCAT(SYS_,x), %eax; KERNCALL; ret
| 57 mov __CONCAT($SYS_,x),%eax; KERNCALL; ret
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58 59/* gas messes up offset -- although we don't currently need it, do for BCS */ 60#define LCALL(x,y) .byte 0x9a ; .long y; .word x 61 62#ifdef __ELF__ 63#define KERNCALL int $0x80 /* Faster */ 64#else 65#define KERNCALL LCALL(7,0) /* The old way */ 66#endif
| 58 59/* gas messes up offset -- although we don't currently need it, do for BCS */ 60#define LCALL(x,y) .byte 0x9a ; .long y; .word x 61 62#ifdef __ELF__ 63#define KERNCALL int $0x80 /* Faster */ 64#else 65#define KERNCALL LCALL(7,0) /* The old way */ 66#endif
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