#include <syscall.h>

struct pt_regs {

	unsigned long	ebp;

	unsigned long	ebx;

	unsigned long	eax;

	unsigned long	ecx;

	unsigned long	edx;

	unsigned long	esi;

	unsigned long	edi;

	unsigned long	orig_eax;

	unsigned long	eip;

	unsigned long	cs;

	unsigned long	eflags;

	unsigned long	esp;

	unsigned long	ss;

};

typedef long __sys_clone(

	unsigned long	flags,

	void *		child_stack,

	void *		ptid,

	void *		ctid,

	struct pt_regs *regs);

typedef int __entry_point(void *);

extern unsigned long ** __syscall_vtbl;

int __clone(

	__entry_point *	fn,

	void *		child_stack,

	int		flags,

	void *		arg,

	int *		ptid,

	void *		pthread_self_addr,

	int *		ctid)

{

	struct pt_regs	regs;

	__sys_clone *	pfn_clone;

	regs.eip = (unsigned long)fn;

	regs.ecx = (unsigned long)arg;

	regs.edx = (unsigned long)pthread_self_addr;

	pfn_clone = (__sys_clone *)(__syscall_vtbl[SYS_clone]);

	return (int)pfn_clone(

		flags,

		child_stack,

		ptid,

		ctid,

		®s;;

}