.globl sys$syscallsys$syscall:	/*	hack: We load 6 args regardless of	how many we actually have. This may	load junk values, but if the syscall	doesn't use them, it's going to be	harmless.	 */	movq %rdi,%rax        /* 8(%rsp): hidden type arg */	movq 16(%rsp),%rdi	movq 24(%rsp),%rsi	movq 32(%rsp),%rdx	movq 40(%rsp),%r10	movq 48(%rsp),%r8	movq 56(%rsp),%r9 	syscall 	ret /* clone(flags, stack, ptid, tls, ctid, regs) */.globl sys$fnclonesys$fnclone:	pushq %r15        /* %rsp is modified by clone(), so it's saved here */	movq 16(%rsp),%r15	/*        %rdi: flags, %rsi: stack, %rdx: ptid,        %rcx: tls, %r8: ctid, %r9: regs        */	movq $56,%rax	/* syscall num */	movq %rcx,%r10	/* tls */	syscall	cmpq $0,%rax	jb .doneparent 	/* fn() */	testl %eax,%eax	jnz .doneparent	call *%r15 	/* exit(0) */	movq $60, %rax  /* exit */	movq $0, %rdi   /* arg: 0 */	syscall .doneparent:	popq %r15	ret .globl sys$sigreturnsys$sigreturn:	movq $15,%rax	syscall