b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
17 lines
363 B
ArmAsm
17 lines
363 B
ArmAsm
/* $NetBSD: fork.S,v 1.6 2011/01/15 07:31:13 matt Exp $ */
|
|
|
|
/*
|
|
* pid = fork();
|
|
*
|
|
* r4 == 0 in parent process, 1 in child process.
|
|
* r3 == pid of child in parent, pid of parent in child.
|
|
*/
|
|
|
|
#include "SYS.h"
|
|
|
|
_SYSCALL(__fork,fork)
|
|
addi %r4,%r4,-1 # from 1 to 0 in child, 0 to -1 in parent
|
|
and %r3,%r3,%r4 # return 0 in child, pid in parent
|
|
blr
|
|
END(__fork)
|