/* $NetBSD: mcontext.h,v 1.10.26.1 2024/06/17 16:48:57 martin Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Klaus Klein. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #ifndef _VAX_MCONTEXT_H_ #define _VAX_MCONTEXT_H_ /* * Layout of mcontext_t. * As on Alpha, this maps directly to `struct reg'. */ #define _NGREG 17 /* R0-31, AP, SP, FP, PC, PSL */ typedef int __greg_t; typedef __greg_t __gregset_t[_NGREG]; #define _REG_R0 0 #define _REG_R1 1 #define _REG_R2 2 #define _REG_R3 3 #define _REG_R4 4 #define _REG_R5 5 #define _REG_R6 6 #define _REG_R7 7 #define _REG_R8 8 #define _REG_R9 9 #define _REG_R10 10 #define _REG_R11 11 #define _REG_AP 12 #define _REG_FP 13 #define _REG_SP 14 #define _REG_PC 15 #define _REG_PSL 16 typedef struct { __gregset_t __gregs; /* General Purpose Register set */ } mcontext_t; /* Machine-dependent uc_flags */ #define _UC_SETSTACK 0x00010000 #define _UC_CLRSTACK 0x00020000 #define _UC_TLSBASE 0x00080000 #define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP]) #define _UC_MACHINE_FP(uc) ((uc)->uc_mcontext.__gregs[_REG_FP]) #define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PC]) #define _UC_MACHINE_INTRV(uc) ((uc)->uc_mcontext.__gregs[_REG_R0]) #define _UC_MACHINE_SET_PC(uc, pc) _UC_MACHINE_PC(uc) = (pc) #if defined(_RTLD_SOURCE) || defined(_LIBC_SOURCE) || \ defined(__LIBPTHREAD_SOURCE__) #include #include __BEGIN_DECLS static __inline void * __lwp_getprivate_fast(void) { register void *tcb __asm("r0"); __asm("chmk %0" :: "i"(SYS__lwp_getprivate) : "r0"); return tcb; } __END_DECLS #endif #endif /* !_VAX_MCONTEXT_H_ */