107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
/* $FreeBSD$ */
|
|
/* From: NetBSD: signal.h,v 1.3 1997/04/06 08:47:43 cgd Exp */
|
|
|
|
/*-
|
|
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Chris G. Demetriou
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
#ifndef _ALPHA_SIGNAL_H_
|
|
#define _ALPHA_SIGNAL_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/_sigset.h>
|
|
|
|
typedef long sig_atomic_t;
|
|
|
|
#if __XSI_VISIBLE
|
|
/*
|
|
* Minimum signal stack size. The current signal frame
|
|
* for Alpha is 808 bytes large.
|
|
*/
|
|
#define MINSIGSTKSZ (1024 * 4)
|
|
#endif
|
|
|
|
/*
|
|
* Only the kernel should need these old type definitions.
|
|
*/
|
|
#if defined(_KERNEL) && defined(COMPAT_43)
|
|
/*
|
|
* 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.
|
|
*
|
|
* Note that sc_regs[] and sc_fpregs[]+sc_fpcr are inline
|
|
* representations of 'struct reg' and 'struct fpreg', respectively.
|
|
*/
|
|
struct osigcontext {
|
|
long sc_onstack; /* sigstack state to restore */
|
|
long sc_mask; /* signal mask to restore */
|
|
long sc_pc; /* pc to restore */
|
|
long sc_ps; /* ps to restore */
|
|
unsigned long sc_regs[32]; /* integer register set (see above) */
|
|
long sc_ownedfp; /* fp has been used */
|
|
unsigned long sc_fpregs[32]; /* FP register set (see above) */
|
|
unsigned long sc_fpcr; /* FP control register (see above) */
|
|
unsigned long sc_fp_control; /* FP software control word */
|
|
long sc_reserved[2]; /* XXX */
|
|
long sc_xxx1[2]; /* sc_ssize, sc_sbase on DUX */
|
|
unsigned long sc_traparg_a0; /* a0 argument to trap at exception */
|
|
unsigned long sc_traparg_a1; /* a1 argument to trap at exception */
|
|
unsigned long sc_traparg_a2; /* a2 argument to trap at exception */
|
|
long sc_xxx2[3]; /* sc_fp_trap_pc, sc_fp_trigger_sum, sc_fp_trigger_inst */
|
|
};
|
|
#endif /* _KERNEL */
|
|
|
|
#if __BSD_VISIBLE
|
|
/*
|
|
* The sequence of the fields should match those in
|
|
* mcontext_t. Keep them in sync!
|
|
*/
|
|
struct sigcontext {
|
|
struct __sigset sc_mask; /* signal mask to restore */
|
|
long sc_onstack; /* sigstack state to restore */
|
|
unsigned long sc_regs[32]; /* integer register set (see above) */
|
|
long sc_ps; /* ps to restore */
|
|
long sc_pc; /* pc to restore */
|
|
unsigned long sc_traparg_a0; /* a0 argument to trap at exception */
|
|
unsigned long sc_traparg_a1; /* a1 argument to trap at exception */
|
|
unsigned long sc_traparg_a2; /* a2 argument to trap at exception */
|
|
unsigned long sc_fpregs[32]; /* FP register set (see above) */
|
|
unsigned long sc_fpcr; /* FP control register (see above) */
|
|
unsigned long sc_fp_control; /* FP software control word */
|
|
long sc_ownedfp; /* fp has been used; see mcontext_t */
|
|
long sc_format; /* see mcontext_t */
|
|
long sc_spare[6]; /* XXX */
|
|
};
|
|
|
|
#define sc_sp sc_regs[R_SP]
|
|
|
|
#endif /* __BSD_VISIBLE */
|
|
|
|
#endif /* !_ALPHA_SIGNAL_H_*/
|