1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _SIGJMP_STRUCT_H 28*7c478bd9Sstevel@tonic-gate #define _SIGJMP_STRUCT_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*7c478bd9Sstevel@tonic-gate 32*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 33*7c478bd9Sstevel@tonic-gate extern "C" { 34*7c478bd9Sstevel@tonic-gate #endif 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 37*7c478bd9Sstevel@tonic-gate #include <sys/stack.h> 38*7c478bd9Sstevel@tonic-gate #include <ucontext.h> 39*7c478bd9Sstevel@tonic-gate #include <setjmp.h> 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate #if defined(__sparc) 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate /* 44*7c478bd9Sstevel@tonic-gate * The following structure MUST match the ABI size specifier _SIGJBLEN. 45*7c478bd9Sstevel@tonic-gate * This is 19 (longs). The ABI value for _JBLEN is 12 (longs). 46*7c478bd9Sstevel@tonic-gate * A greg_t is a long. A sigset_t is 4 ints and a stack_t is 3 longs. 47*7c478bd9Sstevel@tonic-gate * 48*7c478bd9Sstevel@tonic-gate * The layout of this structure must match the layout of the same 49*7c478bd9Sstevel@tonic-gate * structures defined in usr/src/lib/libbc/libc/sys/common/ucontext.h 50*7c478bd9Sstevel@tonic-gate * and usr/src/ucblib/libucb/sparc/sys/setjmp.c. Other than that, 51*7c478bd9Sstevel@tonic-gate * the layout is private, not known to applications. 52*7c478bd9Sstevel@tonic-gate * 53*7c478bd9Sstevel@tonic-gate * We make the first 5 members match the implementations of 54*7c478bd9Sstevel@tonic-gate * setjmp()/longjmp(), so that an application could (stupidly) 55*7c478bd9Sstevel@tonic-gate * do sigsetjmp(env) followed by longjmp(env) (but not setjmp(env) 56*7c478bd9Sstevel@tonic-gate * followed by siglongjmp(env)). 57*7c478bd9Sstevel@tonic-gate */ 58*7c478bd9Sstevel@tonic-gate typedef struct { 59*7c478bd9Sstevel@tonic-gate int sjs_flags; /* JBUF[ 0] */ 60*7c478bd9Sstevel@tonic-gate greg_t sjs_sp; /* JBUF[ 1] */ 61*7c478bd9Sstevel@tonic-gate greg_t sjs_pc; /* JBUF[ 2] */ 62*7c478bd9Sstevel@tonic-gate greg_t sjs_fp; /* JBUF[ 3] */ 63*7c478bd9Sstevel@tonic-gate greg_t sjs_i7; /* JBUF[ 4] */ 64*7c478bd9Sstevel@tonic-gate ucontext_t *sjs_uclink; 65*7c478bd9Sstevel@tonic-gate ulong_t sjs_pad[_JBLEN - 6]; 66*7c478bd9Sstevel@tonic-gate sigset_t sjs_sigmask; 67*7c478bd9Sstevel@tonic-gate #if defined(_LP64) 68*7c478bd9Sstevel@tonic-gate ulong_t sjs_pad1[2]; 69*7c478bd9Sstevel@tonic-gate #endif 70*7c478bd9Sstevel@tonic-gate stack_t sjs_stack; 71*7c478bd9Sstevel@tonic-gate } sigjmp_struct_t; 72*7c478bd9Sstevel@tonic-gate 73*7c478bd9Sstevel@tonic-gate #define JB_SAVEMASK 0x1 74*7c478bd9Sstevel@tonic-gate #define JB_FRAMEPTR 0x2 75*7c478bd9Sstevel@tonic-gate 76*7c478bd9Sstevel@tonic-gate #endif /* __sparc */ 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 79*7c478bd9Sstevel@tonic-gate } 80*7c478bd9Sstevel@tonic-gate #endif 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate #endif /* _SIGJMP_STRUCT_H */ 83