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Diffstat (limited to 'sys/arch/sparc/include/signal.h')
-rw-r--r-- | sys/arch/sparc/include/signal.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/sys/arch/sparc/include/signal.h b/sys/arch/sparc/include/signal.h new file mode 100644 index 00000000000..1dad46faf47 --- /dev/null +++ b/sys/arch/sparc/include/signal.h @@ -0,0 +1,100 @@ +/* $NetBSD: signal.h,v 1.3 1995/01/10 19:01:46 jtc Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratory. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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 8.1 (Berkeley) 6/11/93 + */ + +#ifndef _SPARC_SIGNAL_H_ +#define _SPARC_SIGNAL_H_ + +#ifndef LOCORE +typedef int sig_atomic_t; +#endif + +#ifndef _ANSI_SOURCE +#ifndef LOCORE + +/* + * 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. + * + * All machines must have an sc_onstack and sc_mask. + */ +struct sigcontext { + int sc_onstack; /* sigstack state to restore */ + int sc_mask; /* signal mask to restore */ + /* begin machine dependent portion */ + int sc_sp; /* %sp to restore */ + int sc_pc; /* pc to restore */ + int sc_npc; /* npc to restore */ + int sc_psr; /* psr to restore */ + int sc_g1; /* %g1 to restore */ + int sc_o0; /* %o0 to restore */ +}; +#else /* LOCORE */ +#define SC_SP_OFFSET 8 +#define SC_PC_OFFSET 12 +#define SC_NPC_OFFSET 16 +#define SC_PSR_OFFSET 20 +#define SC_G1_OFFSET 24 +#define SC_O0_OFFSET 28 +#endif /* LOCORE */ + +/* + * `Code' arguments to signal handlers. The names, and the funny numbering. + * are defined so as to match up with what SunOS uses; I have no idea why + * they did the numbers that way, except maybe to match up with the 68881. + */ +#define FPE_INTOVF_TRAP 0x01 /* integer overflow */ +#define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ +#define FPE_FLTINEX_TRAP 0xc4 /* inexact */ +#define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */ +#define FPE_FLTUND_TRAP 0xcc /* underflow */ +#define FPE_FLTOPERR_TRAP 0xd0 /* operand error */ +#define FPE_FLTOVF_TRAP 0xd4 /* overflow */ + +#endif /* !_ANSI_SOURCE */ +#endif /* !_SPARC_SIGNAL_H_ */ |