/* $NetBSD: signal.h,v 1.11 2003/04/28 23:16:24 bjh21 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_ #include #ifndef _LOCORE typedef int sig_atomic_t; #endif #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. * * 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 /* _NETBSD_SOURCE */ #endif /* !_SPARC_SIGNAL_H_ */