1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 3*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 4*7c478bd9Sstevel@tonic-gate */ 5*7c478bd9Sstevel@tonic-gate 6*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 7*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 8*7c478bd9Sstevel@tonic-gate 9*7c478bd9Sstevel@tonic-gate /* 10*7c478bd9Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California. 11*7c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley Software License Agreement 12*7c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution. 13*7c478bd9Sstevel@tonic-gate */ 14*7c478bd9Sstevel@tonic-gate 15*7c478bd9Sstevel@tonic-gate #ifndef CSH_SIGNAL_H 16*7c478bd9Sstevel@tonic-gate #define CSH_SIGNAL_H 17*7c478bd9Sstevel@tonic-gate 18*7c478bd9Sstevel@tonic-gate /* 19*7c478bd9Sstevel@tonic-gate * 4.3BSD signal compatibility header 20*7c478bd9Sstevel@tonic-gate * 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate #define sigmask(m) (m > 32 ? 0 : (1 << ((m)-1))) 23*7c478bd9Sstevel@tonic-gate 24*7c478bd9Sstevel@tonic-gate /* 25*7c478bd9Sstevel@tonic-gate * 4.3BSD signal vector structure used in sigvec call. 26*7c478bd9Sstevel@tonic-gate */ 27*7c478bd9Sstevel@tonic-gate struct sigvec { 28*7c478bd9Sstevel@tonic-gate void (*sv_handler)(); /* signal handler */ 29*7c478bd9Sstevel@tonic-gate int sv_mask; /* signal mask to apply */ 30*7c478bd9Sstevel@tonic-gate int sv_flags; /* see signal options below */ 31*7c478bd9Sstevel@tonic-gate }; 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate #define SV_ONSTACK 0x0001 /* take signal on signal stack */ 34*7c478bd9Sstevel@tonic-gate #define SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 35*7c478bd9Sstevel@tonic-gate #define SV_RESETHAND 0x0004 /* reset handler to SIG_DFL when signal taken */ 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate #define sv_onstack sv_flags 38*7c478bd9Sstevel@tonic-gate 39*7c478bd9Sstevel@tonic-gate /* 40*7c478bd9Sstevel@tonic-gate * Machine dependent data structure 41*7c478bd9Sstevel@tonic-gate */ 42*7c478bd9Sstevel@tonic-gate struct sigcontext { 43*7c478bd9Sstevel@tonic-gate int sc_onstack; /* sigstack state to restore */ 44*7c478bd9Sstevel@tonic-gate int sc_mask; /* signal mask to restore */ 45*7c478bd9Sstevel@tonic-gate #define MAXWINDOW 31 /* max usable windows in sparc */ 46*7c478bd9Sstevel@tonic-gate long sc_sp; /* sp to restore */ 47*7c478bd9Sstevel@tonic-gate long sc_pc; /* pc to retore */ 48*7c478bd9Sstevel@tonic-gate long sc_npc; /* next pc to restore */ 49*7c478bd9Sstevel@tonic-gate long sc_psr; /* psr to restore */ 50*7c478bd9Sstevel@tonic-gate long sc_g1; /* register that must be restored */ 51*7c478bd9Sstevel@tonic-gate long sc_o0; 52*7c478bd9Sstevel@tonic-gate long sc_wbcnt; /* number of outstanding windows */ 53*7c478bd9Sstevel@tonic-gate long *sc_spbuf[MAXWINDOW]; /* sp's for each wbuf */ 54*7c478bd9Sstevel@tonic-gate long sc_wbuf[MAXWINDOW][16]; /* outstanding window save buffer */ 55*7c478bd9Sstevel@tonic-gate }; 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate #define SI_DFLCODE 1 58*7c478bd9Sstevel@tonic-gate 59*7c478bd9Sstevel@tonic-gate #define BUS_HWERR BUS_ADRERR /* misc hardware error (e.g. timeout) */ 60*7c478bd9Sstevel@tonic-gate #define BUS_ALIGN BUS_ADRALN /* hardware alignment error */ 61*7c478bd9Sstevel@tonic-gate 62*7c478bd9Sstevel@tonic-gate #define SEGV_NOMAP SEGV_MAPERR /* no mapping at the fault address */ 63*7c478bd9Sstevel@tonic-gate #define SEGV_PROT SEGV_ACCERR /* access exceeded protections */ 64*7c478bd9Sstevel@tonic-gate 65*7c478bd9Sstevel@tonic-gate /* 66*7c478bd9Sstevel@tonic-gate * The SEGV_CODE(code) will be SEGV_NOMAP, SEGV_PROT, or SEGV_OBJERR. 67*7c478bd9Sstevel@tonic-gate * In the SEGV_OBJERR case, doing a SEGV_ERRNO(code) gives an errno value 68*7c478bd9Sstevel@tonic-gate * reported by the underlying file object mapped at the fault address. 69*7c478bd9Sstevel@tonic-gate */ 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate #define SIG_NOADDR ((char *)~0) 72*7c478bd9Sstevel@tonic-gate 73*7c478bd9Sstevel@tonic-gate #define SEGV_MAKE_ERR(e) (((e) << 8) | SEGV_MAPERR) 74*7c478bd9Sstevel@tonic-gate 75*7c478bd9Sstevel@tonic-gate #endif /* CSH_SIGNAL_H */ 76