diff options
Diffstat (limited to 'lib/libc/arch/riscv64/sys/sigpending.S')
| -rw-r--r-- | lib/libc/arch/riscv64/sys/sigpending.S | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/libc/arch/riscv64/sys/sigpending.S b/lib/libc/arch/riscv64/sys/sigpending.S new file mode 100644 index 00000000000..a36478631b2 --- /dev/null +++ b/lib/libc/arch/riscv64/sys/sigpending.S @@ -0,0 +1,42 @@ +/* $OpenBSD: sigpending.S,v 1.1 2021/04/29 18:33:36 drahn Exp $ */ +/* + * Copyright (c) 2020 Brian Bamsch <bbamsch@google.com> + * 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. + * 3. Neither the name of the copyright holder nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``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 CONTRIBUTOR(S) 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 "SYS.h" + +SYSENTRY(sigpending) + RETGUARD_SETUP(sigpending, t6) + mv a2, a0 + SYSTRAP(sigpending) + HANDLE_ERROR() + sw a0, 0(a2) /* 4 bytes */ + mv a0, x0 + RETGUARD_CHECK(sigpending, t6) + ret +SYSCALL_END(sigpending) |