173 lines
6.5 KiB
C
173 lines
6.5 KiB
C
/* $NetBSD: signal.h,v 1.10 2003/01/18 06:44:57 thorpej 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
|
|
|
|
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
|
|
!defined(_XOPEN_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.
|
|
*/
|
|
#if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
|
|
struct sigcontext13 {
|
|
int sc_onstack; /* sigstack state to restore */
|
|
int sc_mask; /* signal mask to restore (old style) */
|
|
/* begin machine dependent portion */
|
|
long sc_sp; /* %sp to restore */
|
|
long sc_pc; /* pc to restore */
|
|
long sc_npc; /* npc to restore */
|
|
#ifdef __arch64__
|
|
long sc_tstate; /* tstate to restore */
|
|
#else
|
|
long sc_psr; /* psr to restore */
|
|
#endif
|
|
long sc_g1; /* %g1 to restore */
|
|
long sc_o0; /* %o0 to restore */
|
|
};
|
|
#endif /* __LIBC12_SOURCE__ || _KERNEL */
|
|
struct sigcontext {
|
|
int sc_onstack; /* sigstack state to restore */
|
|
int __sc_mask13; /* signal mask to restore (old style) */
|
|
/* begin machine dependent portion */
|
|
long sc_sp; /* %sp to restore */
|
|
long sc_pc; /* pc to restore */
|
|
long sc_npc; /* npc to restore */
|
|
#ifdef __arch64__
|
|
long sc_tstate; /* tstate to restore */
|
|
#else
|
|
long sc_psr; /* psr to restore */
|
|
#endif
|
|
long sc_g1; /* %g1 to restore */
|
|
long sc_o0; /* %o0 to restore */
|
|
sigset_t sc_mask; /* signal mask to restore (new style) */
|
|
};
|
|
|
|
#ifdef __arch64__
|
|
#define _MCONTEXT_TO_SIGCONTEXT_32_64(uc, sc) \
|
|
do { \
|
|
(sc)->sc_tstate = \
|
|
((uc)->uc_mcontext.__gregs[_REG_CCR] << TSTATE_CCR_SHIFT) | \
|
|
((uc)->uc_mcontext.__gregs[_REG_ASI] << TSTATE_ASI_SHIFT); \
|
|
} while (/*CONSTCOND*/0)
|
|
|
|
#define _SIGCONTEXT_TO_MCONTEXT_32_64(sc, uc) \
|
|
do { \
|
|
(uc)->uc_mcontext.__gregs[_REG_CCR] = \
|
|
((sc)->sc_tstate & TSTATE_CCR) >> TSTATE_CCR_SHIFT; \
|
|
(uc)->uc_mcontext.__gregs[_REG_ASI] = \
|
|
((sc)->sc_tstate & TSTATE_ASI) >> TSTATE_ASI_SHIFT; \
|
|
} while (/*CONSTCOND*/0)
|
|
#else /* ! __arch64__ */
|
|
#define _MCONTEXT_TO_SIGCONTEXT_32_64(uc, sc) \
|
|
do { \
|
|
(sc)->sc_psr = (uc)->uc_mcontext.__gregs[_REG_PSR]; \
|
|
} while (/*CONSTCOND*/0)
|
|
|
|
#define _SIGCONTEXT_TO_MCONTEXT_32_64(sc, uc) \
|
|
do { \
|
|
(uc)->uc_mcontext.__gregs[_REG_PSR] = (sc)->sc_psr; \
|
|
} while (/*CONSTCOND*/0)
|
|
#endif /* __arch64__ */
|
|
|
|
#define _MCONTEXT_TO_SIGCONTEXT(uc, sc) \
|
|
do { \
|
|
(sc)->sc_sp = (uc)->uc_mcontext.__gregs[_REG_O6]; \
|
|
(sc)->sc_pc = (uc)->uc_mcontext.__gregs[_REG_PC]; \
|
|
(sc)->sc_npc = (uc)->uc_mcontext.__gregs[_REG_nPC]; \
|
|
_MCONTEXT_TO_SIGCONTEXT_32_64((uc), (sc)); \
|
|
(sc)->sc_g1 = (uc)->uc_mcontext.__gregs[_REG_G1]; \
|
|
(sc)->sc_o0 = (uc)->uc_mcontext.__gregs[_REG_O0]; \
|
|
} while (/*CONSTCOND*/0)
|
|
|
|
#define _SIGCONTEXT_TO_MCONTEXT(sc, uc) \
|
|
do { \
|
|
(uc)->uc_mcontext.__gregs[_REG_O6] = (sc)->sc_sp; \
|
|
(uc)->uc_mcontext.__gregs[_REG_PC] = (sc)->sc_pc; \
|
|
(uc)->uc_mcontext.__gregs[_REG_nPC] = (sc)->sc_npc; \
|
|
_SIGCONTEXT_TO_MCONTEXT_32_64((sc), (uc)); \
|
|
(uc)->uc_mcontext.__gregs[_REG_G1] = (sc)->sc_g1; \
|
|
(uc)->uc_mcontext.__gregs[_REG_O0] = (sc)->sc_o0; \
|
|
} while (/*CONSTCOND*/0)
|
|
|
|
#else /* _LOCORE */
|
|
/* XXXXX These values don't work for _LP64 */
|
|
#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 && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
|
|
#endif /* !_SPARC_SIGNAL_H_ */
|