/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
.ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1993 by Sun Microsystems, Inc.
*/
#include <sys/asm_linkage.h>
!
! __sendsig(sig, code, scp, addr, sigfunc)
!
! Call a signal handler in a way that's compatible with statically
! linked 4.x binaries.
!
! We have to save our first four arguments to the stack because
! that's what the 4.x kernel did and that's where the signal handler
! (__sigtramp, normally) expects to find them.
!
ENTRY_NP(__sendsig)
save %sp, -SA(MINFRAME), %sp
! save i0-i3 to stack, %sp+64 (WINDOWSIZE)
std %i0, [%sp + WINDOWSIZE]
std %i2, [%sp + WINDOWSIZE + 8]
mov %i0, %o0 ! pass parameters in %o regs as well, in case
mov %i1, %o1 ! we're calling directly into C code (as will
mov %i2, %o2 ! happen if the a.out is dynamically linked)
jmpl %i4, %o7 ! call the signal handler
mov %i3, %o3
ret
restore