-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>, 1996.
#define _ERRNO_H 1
#include <bits/errno.h>
-/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg) */
+/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg,
+ pid_t *tid, void *tls);
+ */
.text
ENTRY(__clone)
stq a0,0(a1)
stq a3,8(a1)
- /* Do the system call */
+ /* Shift the flags, tid and tls arguments into place; the
+ child_stack argument is already correct. */
mov a2,a0
+ mov a4,a2
+ mov a5,a3
+
+ /* Do the system call. */
ldiq v0,__NR_clone
call_pal PAL_callsys
bne a3,$error
beq v0,thread_start
- /* Successful return from the parent */
+ /* Successful return from the parent. */
ret
- /* Something bad happened -- no child created */
+ /* Something bad happened -- no child created. */
$error:
#ifndef PROF
br gp,1f
1: ldgp gp,0(gp)
#endif
- jmp zero,__syscall_error
+ SYSCALL_ERROR_HANDLER
END(__clone)
ldq a0,8(sp)
addq sp,16,sp
- /* Call the user's function */
+ /* Call the user's function. */
jsr ra,(pv)
ldgp gp,0(ra)
- /* Call _exit rather than doing it inline for breakpoint purposes */
+ /* Call _exit rather than doing it inline for breakpoint purposes. */
mov v0,a0
jsr ra,_exit