/*      $NetBSD: linux32_signal.h,v 1.1 2021/11/25 03:08:04 ryo Exp $   */

/*-
* Copyright (c) 2021 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ryo Shimizu.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#ifndef _AARCH64_LINUX32_SIGNAL_H_
#define _AARCH64_LINUX32_SIGNAL_H_

#define native_to_linux32_signo native_to_linux_signo
#define linux32_to_native_signo linux_to_native_signo

typedef netbsd32_pointer_t      linux32_handlerp_t;
typedef netbsd32_pointer_t      linux32_restorer_t;
typedef netbsd32_pointer_t      linux32_siginfop_t;
typedef netbsd32_pointer_t      linux32_ucontextp_t;
typedef netbsd32_pointer_t      linux32_sigcontextp_t;
typedef netbsd32_pointer_t      linux32_fpstatep_t;
typedef u_int32_t               linux32_old_sigset_t;

#define LINUX32__NSIG           64
#define LINUX32__NSIG_BPW       32
#define LINUX32__NSIG_WORDS     (LINUX32__NSIG / LINUX32__NSIG_BPW)

#define LINUX32_SIG_BLOCK       0
#define LINUX32_SIG_UNBLOCK     1
#define LINUX32_SIG_SETMASK     2

#define LINUX32_SA_NOCLDSTOP    0x00000001
#define LINUX32_SA_NOCLDWAIT    0x00000002
#define LINUX32_SA_SIGINFO      0x00000004
#define LINUX32_SA_ONSTACK      0x08000000
#define LINUX32_SA_RESTART      0x10000000
#define LINUX32_SA_INTERRUPT    0x20000000
#define LINUX32_SA_NOMASK       0x40000000
#define LINUX32_SA_ONESHOT      0x80000000
#define LINUX32_SA_ALLBITS      0xf8000007

#define LINUX32_SS_ONSTACK      1
#define LINUX32_SS_DISABLE      2

#define LINUX32_SIGILL          LINUX_SIGILL
#define LINUX32_SIGFPE          LINUX_SIGFPE
#define LINUX32_SIGSEGV         LINUX_SIGSEGV
#define LINUX32_SIGBUS          LINUX_SIGBUS
#define LINUX32_SIGTRAP         LINUX_SIGTRAP
#define LINUX32_SIGCHLD         LINUX_SIGCHLD
#define LINUX32_SIGIO           LINUX_SIGIO
#define LINUX32_SIGALRM         LINUX_SIGALRM
#define LINUX32_SIGRTMIN        LINUX_SIGRTMIN

typedef struct {
       uint32_t sig[LINUX32__NSIG_WORDS];
} linux32_sigset_t;

struct linux32_sigaction {
       linux32_handlerp_t linux_sa_handler;
       int linux_sa_flags;
       linux32_sigset_t linux_sa_mask;
       linux32_restorer_t linux_sa_restorer;
};

typedef struct linux32_sigaltstack {
       netbsd32_voidp ss_sp;
       int ss_flags;
       netbsd32_size_t ss_size;
} linux32_stack_t;

#endif /* _AARCH64_LINUX32_SIGNAL_H_ */