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/* $NetBSD: signal.h,v 1.23 2021/10/29 04:13:39 thorpej Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
* 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 University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)signal.h 7.16 (Berkeley) 3/17/91
*/
/* All bugs are subject to removal without further notice */
#ifndef _VAX_SIGNAL_H_
#define _VAX_SIGNAL_H_
#include <sys/featuretest.h>
#include <sys/siginfo.h>
#include <machine/trap.h>
#define __HAVE_STRUCT_SIGCONTEXT
/* VAX versioned its sigcontext trampoline ABI (Sept 2002). */
#define __SIGTRAMP_SIGCONTEXT_VERSION_MAX 2
#define __SIGTRAMP_SIGCONTEXT_VERSION 2
#define __SIGTRAMP_SIGINFO_VERSION_MIN 3
#define __SIGTRAMP_SIGINFO_VERSION_MAX 3
#define __SIGTRAMP_SIGINFO_VERSION 3
typedef int sig_atomic_t;
#if defined(_NETBSD_SOURCE)
#include <sys/sigtypes.h>
/*
* Information pushed on stack when a signal is delivered.
* This is used by the kernel to restore state following
* execution of the signal handler. It is also made available
* to the handler to allow it to restore state properly if
* a non-standard exit is performed.
*/
#if defined(_LIBC) || defined(_KERNEL)
struct sigcontext13 {
int sc_onstack; /* sigstack state to restore */
int sc_mask; /* signal mask to restore (old style) */
int sc_sp; /* sp to restore */
int sc_fp; /* fp to restore */
int sc_ap; /* ap to restore */
int sc_pc; /* pc to restore */
int sc_ps; /* psl to restore */
};
struct sigcontext {
int sc_onstack; /* sigstack state to restore */
int __sc_mask13; /* signal mask to restore (old style) */
int sc_sp; /* sp to restore */
int sc_fp; /* fp to restore */
int sc_ap; /* ap to restore */
int sc_pc; /* pc to restore */
int sc_ps; /* psl to restore */
sigset_t sc_mask; /* signal mask to restore (new style) */
};
#endif /* _LIBC || _KERNEL */
#ifdef _KERNEL
#define sendsig_sigcontext sendsig_sighelper
#define sendsig_siginfo sendsig_sighelper
void sendsig_context(int, const sigset_t *, u_long);
/* Avoid a cyclic dependency and don't use ksiginfo_t here. */
struct ksiginfo;
#if defined(COMPAT_13) || defined(COMPAT_ULTRIX)
struct otrampframe {
unsigned sig; /* Signal number */
unsigned code; /* Info code */
vaddr_t scp; /* Pointer to struct sigcontext */
unsigned r0, r1, r2, r3, r4, r5; /* Registers saved when interrupt */
register_t pc; /* Address of signal handler */
vaddr_t arg; /* Pointer to first (and only) sigreturn argument */
};
vaddr_t setupstack_oldsigcontext(const struct ksiginfo *, const sigset_t *,
int, struct lwp *, struct trapframe *, vaddr_t, int, vaddr_t);
#endif /* COMPAT_13 || COMPAT_ULTRIX */
#if defined(COMPAT_16) || defined(COMPAT_ULTRIX)
struct trampoline2 {
unsigned int narg; /* Argument count (== 3) */
unsigned int sig; /* Signal number */
unsigned int code; /* Info code */
vaddr_t scp; /* Pointer to struct sigcontext */
};
vaddr_t setupstack_sigcontext2(const struct ksiginfo *, const sigset_t *,
int, struct lwp *, struct trapframe *, vaddr_t, int, vaddr_t);
#endif /* COMPAT_16 || COMPAT_ULTRIX */
#endif /* _KERNEL */
#endif /* _NETBSD_SOURCE */
#endif /* !_VAX_SIGNAL_H_ */
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