| vfork.S (240178) | vfork.S (258447) |
|---|---|
| 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> | 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 240178 2012-09-06 20:59:49Z jilles $"); | 37__FBSDID("$FreeBSD: head/lib/libc/amd64/sys/vfork.S 258447 2013-11-21 21:25:58Z andreast $"); |
| 38 39#include "SYS.h" 40 | 38 39#include "SYS.h" 40 |
| 41 .weak _vfork 42 .set _vfork,__sys_vfork 43 .weak vfork 44 .set vfork,__sys_vfork | 41 WEAK_REFERENCE(__sys_vfork, _vfork) 42 WEAK_REFERENCE(__sys_vfork, vfork) |
| 45ENTRY(__sys_vfork) 46 popq %rsi /* fetch return address (%rsi preserved) */ 47 mov $SYS_vfork,%rax 48 KERNCALL 49 jb 1f 50 jmp *%rsi 511: 52 pushq %rsi 53 jmp HIDENAME(cerror) 54END(__sys_vfork) 55 56 .section .note.GNU-stack,"",%progbits | 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 |