/* $NetBSD: signal.h,v 1.20 2021/10/30 19:54:58 thorpej Exp $ */ /* * Copyright (c) 1994-1996 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * This code is derived from software written for Brini by Mark Brinicombe * * 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 Brini. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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. * * RiscBSD kernel project * * signal.h * * Architecture dependent signal types and structures * * Created : 30/09/94 */ #ifndef _ARM_SIGNAL_H_ #define _ARM_SIGNAL_H_ #include <sys/featuretest.h> #include <sys/sigtypes.h> #ifndef _LOCORE typedef int sig_atomic_t; #endif #if defined(__arm__) #define __HAVE_STRUCT_SIGCONTEXT #if defined(_NETBSD_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. */ #if defined(_KERNEL) struct sigcontext13 { int sc_onstack; /* sigstack state to restore */ int sc_mask; /* signal mask to restore (old style) */ unsigned int sc_spsr; unsigned int sc_r0; unsigned int sc_r1; unsigned int sc_r2; unsigned int sc_r3; unsigned int sc_r4; unsigned int sc_r5; unsigned int sc_r6; unsigned int sc_r7; unsigned int sc_r8; unsigned int sc_r9; unsigned int sc_r10; unsigned int sc_r11; unsigned int sc_r12; unsigned int sc_usr_sp; unsigned int sc_usr_lr; unsigned int sc_svc_lr; unsigned int sc_pc; }; #endif /* _KERNEL */ #if defined(_LIBC) || defined(_KERNEL) struct sigcontext { int sc_onstack; /* sigstack state to restore */ int __sc_mask13; /* signal mask to restore (old style) */ unsigned int sc_spsr; unsigned int sc_r0; unsigned int sc_r1; unsigned int sc_r2; unsigned int sc_r3; unsigned int sc_r4; unsigned int sc_r5; unsigned int sc_r6; unsigned int sc_r7; unsigned int sc_r8; unsigned int sc_r9; unsigned int sc_r10; unsigned int sc_r11; unsigned int sc_r12; unsigned int sc_usr_sp; unsigned int sc_usr_lr; unsigned int sc_svc_lr; unsigned int sc_pc; sigset_t sc_mask; /* signal mask to restore (new style) */ }; #endif /* _LIBC || _KERNEL */ #endif /* !_LOCORE */ /* Signals codes */ /* * SIGFPE codes * * see ieeefp.h for definition of FP exception codes */ #define SIG_CODE_FPE_CODE_MASK 0x00000f00 /* Mask for exception code */ #define SIG_CODE_FPE_CODE_SHIFT 8 /* Shift for exception code */ #define SIG_CODE_FPE_TYPE_MASK 0x000000ff /* Mask for specific code */ /* * SIGILL codes * * the signal code is the instruction that raised the signal */ /* * SIGBUS and SIGSEGV codes * * The signal code is combination of the fault address and the fault code. * * The fault code is the coproc #15 fault status code * * The exception to this is a SIGBUS or SIGSEGV from a prefetch abort. * In this case the fault status code is not valid so the TYPE_MASK * should be treated as undefined (in practice it is the bottom 4 bits * of the fault address). */ #define SIG_CODE_BUS_ADDR_MASK 0xfffffff0 #define SIG_CODE_BUS_TYPE_MASK 0x0000000f #define SIG_CODE_SEGV_ADDR_MASK SIG_CODE_BUS_ADDR_MASK #define SIG_CODE_SEGV_TYPE_MASK SIG_CODE_BUS_TYPE_MASK #endif /* _NETBSD_SOURCE */ #endif /* __arm__ */ #endif /* !_ARM_SIGNAL_H_ */ /* End of signal.h */