arch/mips/vfork.S

#include <machine/asm.h>
#include <asm/unistd.h>

#define CLONE_VM	0x00000100
#define CLONE_VFORK	0x00004000
#define SIGCHLD		18

	.set noreorder

LEAF(vfork)
	li	a0, CLONE_VFORK | CLONE_VM | SIGCHLD
	li	a1, 0
	j	__syscall_common
	  li	v0, __NR_clone
	END(vfork)
1	#include <machine/asm.h>
2	#include <asm/unistd.h>
3
4	#define CLONE_VM 0x00000100
5	#define CLONE_VFORK 0x00004000
6	#define SIGCHLD 18
7
8	.set noreorder
9
10	LEAF(vfork)
11	li a0, CLONE_VFORK \| CLONE_VM \| SIGCHLD
12	li a1, 0
13	j __syscall_common
14	li v0, __NR_clone
15	END(vfork)