OpenSolaris Launch

1 files changed, 82 insertions, 0 deletions

diff --git a/usr/src/lib/libc/inc/sigjmp_struct.h b/usr/src/lib/libc/inc/sigjmp_struct.h
new file mode 100644
index 0000000000..3a3ce1ebc5
--- /dev/null
+++ b/usr/src/lib/libc/inc/sigjmp_struct.h
@@ -0,0 +1,82 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _SIGJMP_STRUCT_H
+#define	_SIGJMP_STRUCT_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/types.h>
+#include <sys/stack.h>
+#include <ucontext.h>
+#include <setjmp.h>
+
+#if defined(__sparc)
+
+/*
+ * The following structure MUST match the ABI size specifier _SIGJBLEN.
+ * This is 19 (longs).  The ABI value for _JBLEN is 12 (longs).
+ * A greg_t is a long.  A sigset_t is 4 ints and a stack_t is 3 longs.
+ *
+ * The layout of this structure must match the layout of the same
+ * structures defined in usr/src/lib/libbc/libc/sys/common/ucontext.h
+ * and usr/src/ucblib/libucb/sparc/sys/setjmp.c.  Other than that,
+ * the layout is private, not known to applications.
+ *
+ * We make the first 5 members match the implementations of
+ * setjmp()/longjmp(), so that an application could (stupidly)
+ * do sigsetjmp(env) followed by longjmp(env) (but not setjmp(env)
+ * followed by siglongjmp(env)).
+ */
+typedef struct {
+	int		sjs_flags;	/* JBUF[ 0]	*/
+	greg_t		sjs_sp;		/* JBUF[ 1]	*/
+	greg_t		sjs_pc;		/* JBUF[ 2]	*/
+	greg_t		sjs_fp;		/* JBUF[ 3]	*/
+	greg_t		sjs_i7;		/* JBUF[ 4]	*/
+	ucontext_t	*sjs_uclink;
+	ulong_t		sjs_pad[_JBLEN - 6];
+	sigset_t	sjs_sigmask;
+#if defined(_LP64)
+	ulong_t		sjs_pad1[2];
+#endif
+	stack_t		sjs_stack;
+} sigjmp_struct_t;
+
+#define	JB_SAVEMASK	0x1
+#define	JB_FRAMEPTR	0x2
+
+#endif	/* __sparc */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _SIGJMP_STRUCT_H */