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 --- 20 unchanged lines hidden (view full) --- 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#if defined(SYSLIBC_SCCS) && !defined(lint) 34 .asciz "@(#)Ovfork.s 5.1 (Berkeley) 4/23/90" 35#endif /* SYSLIBC_SCCS and not lint */ 36#include <machine/asm.h> |
37__FBSDID("$FreeBSD: head/lib/libc/amd64/sys/vfork.S 258447 2013-11-21 21:25:58Z andreast $"); |
38 39#include "SYS.h" 40 |
41 WEAK_REFERENCE(__sys_vfork, _vfork) 42 WEAK_REFERENCE(__sys_vfork, vfork) |
43ENTRY(__sys_vfork) 44 popq %rsi /* fetch return address (%rsi preserved) */ 45 mov $SYS_vfork,%rax 46 KERNCALL 47 jb 1f 48 jmp *%rsi 491: 50 pushq %rsi 51 jmp HIDENAME(cerror) 52END(__sys_vfork) 53 54 .section .note.GNU-stack,"",%progbits |