diff options
Diffstat (limited to 'lib/libc/sparc64/sys/sigaction.S')
| -rw-r--r-- | lib/libc/sparc64/sys/sigaction.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/libc/sparc64/sys/sigaction.S b/lib/libc/sparc64/sys/sigaction.S new file mode 100644 index 0000000..7d32f97 --- /dev/null +++ b/lib/libc/sparc64/sys/sigaction.S @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 2002 Jake Burkholder. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + +_SYSENTRY(sigaction) + PIC_PROLOGUE(%o3, %o4) + SET(sigcode_installed, %o4, %o3) + lduw [%o3], %o4 + brnz,a,pt %o4, 1f + nop + save %sp, -CCFSZ, %sp + call __sparc_sigtramp_setup + nop + restore + mov 1, %o4 + stw %o4, [%o3] +1: _SYSCALL(sigaction) + retl + nop +_SYSEND(sigaction) + + .comm sigcode_installed, 4, 4 |
