NetBSD/sys/arch/mips/include/signal.h

111 lines
4.3 KiB
C

/* $NetBSD: signal.h,v 1.15 2002/03/05 14:17:16 simonb Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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) 6/10/93
*/
#ifndef _MIPS_SIGNAL_H_
#define _MIPS_SIGNAL_H_
#include <machine/cdefs.h> /* for API selection */
#if !defined(__ASSEMBLER__)
/*
* Machine-dependent signal definitions
*/
typedef int sig_atomic_t;
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE)
/*
* 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.
*
* sizeof(sigcontext) = 45 * sizeof(int) + 35 * sizeof(mips_reg_t)
*/
#if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
struct sigcontext13 {
int sc_onstack; /* sigstack state to restore */
int sc_mask; /* signal mask to restore (old style) */
mips_reg_t sc_pc; /* pc at time of signal */
mips_reg_t sc_regs[32]; /* processor regs 0 to 31 */
mips_reg_t mullo, mulhi;/* mullo and mulhi registers... */
int sc_fpused; /* fp has been used */
int sc_fpregs[33]; /* fp regs 0 to 31 and csr */
int sc_fpc_eir; /* floating point exception instruction reg */
int sc_xxx[8]; /* XXX reserved */
};
#endif /* __LIBC12_SOURCE__ || _KERNEL */
struct sigcontext {
int sc_onstack; /* sigstack state to restore */
int __sc_mask13; /* signal mask to restore (old style) */
mips_reg_t sc_pc; /* pc at time of signal */
mips_reg_t sc_regs[32]; /* processor regs 0 to 31 */
mips_reg_t mullo, mulhi;/* mullo and mulhi registers... */
int sc_fpused; /* fp has been used */
int sc_fpregs[33]; /* fp regs 0 to 31 and csr */
int sc_fpc_eir; /* floating point exception instruction reg */
int sc_xxx[8]; /* XXX reserved */
sigset_t sc_mask; /* signal mask to restore (new style) */
};
#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
#endif /* !_LANGUAGE_ASSEMBLY */
#if !defined(_KERNEL)
/*
* Hard code these to make people think twice about breaking compatibility.
* These macros are generated independently for the kernel.
*/
#if !defined(_MIPS_BSD_API) || _MIPS_BSD_API == _MIPS_BSD_API_LP32
#define _OFFSETOF_SC_REGS 12
#define _OFFSETOF_SC_FPREGS 152
#define _OFFSETOF_SC_MASK 320
#else
#define _OFFSETOF_SC_REGS 16
#define _OFFSETOF_SC_FPREGS 292
#define _OFFSETOF_SC_MASK 460
#endif
#endif /* !_KERNEL */
#endif /* !_MIPS_SIGNAL_H_ */