121 lines
4.7 KiB
C
121 lines
4.7 KiB
C
/* $NetBSD: signal.h,v 1.8 1999/03/26 04:29:21 eeh Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)signal.h 8.1 (Berkeley) 6/11/93
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*/
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#ifndef _SPARC_SIGNAL_H_
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#define _SPARC_SIGNAL_H_
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#ifndef _LOCORE
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typedef int sig_atomic_t;
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#endif
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE)
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#ifndef _LOCORE
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/*
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* Information pushed on stack when a signal is delivered.
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* This is used by the kernel to restore state following
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* execution of the signal handler. It is also made available
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* to the handler to allow it to restore state properly if
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* a non-standard exit is performed.
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*
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* All machines must have an sc_onstack and sc_mask.
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*/
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#if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
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struct sigcontext13 {
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int sc_onstack; /* sigstack state to restore */
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int sc_mask; /* signal mask to restore (old style) */
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/* begin machine dependent portion */
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long sc_sp; /* %sp to restore */
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long sc_pc; /* pc to restore */
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long sc_npc; /* npc to restore */
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#ifdef __arch64__
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long sc_tstate; /* tstate to restore */
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#else
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long sc_psr; /* pstate to restore */
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#endif
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long sc_g1; /* %g1 to restore */
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long sc_o0; /* %o0 to restore */
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};
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#endif /* __LIBC12_SOURCE__ || _KERNEL */
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struct sigcontext {
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int sc_onstack; /* sigstack state to restore */
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int __sc_mask13; /* signal mask to restore (old style) */
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/* begin machine dependent portion */
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long sc_sp; /* %sp to restore */
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long sc_pc; /* pc to restore */
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long sc_npc; /* npc to restore */
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long sc_tstate; /* pstate to restore */
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long sc_g1; /* %g1 to restore */
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long sc_o0; /* %o0 to restore */
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sigset_t sc_mask; /* signal mask to restore (new style) */
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};
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#else /* _LOCORE */
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/* XXXXX These values don't work for _LP64 */
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#define SC_SP_OFFSET 8
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#define SC_PC_OFFSET 12
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#define SC_NPC_OFFSET 16
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#define SC_PSR_OFFSET 20
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#define SC_G1_OFFSET 24
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#define SC_O0_OFFSET 28
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#endif /* _LOCORE */
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/*
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* `Code' arguments to signal handlers. The names, and the funny numbering.
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* are defined so as to match up with what SunOS uses; I have no idea why
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* they did the numbers that way, except maybe to match up with the 68881.
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*/
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#define FPE_INTOVF_TRAP 0x01 /* integer overflow */
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#define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */
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#define FPE_FLTINEX_TRAP 0xc4 /* inexact */
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#define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */
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#define FPE_FLTUND_TRAP 0xcc /* underflow */
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#define FPE_FLTOPERR_TRAP 0xd0 /* operand error */
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#define FPE_FLTOVF_TRAP 0xd4 /* overflow */
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#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
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#endif /* !_SPARC_SIGNAL_H_ */
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