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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /* Copyright (c) 1998 Apple Computer, Inc. All rights reserved.
- *
- * File: ppc/setjmp.h
- *
- * Declaration of setjmp routines and data structures.
- */
- #ifndef _BSD_PPC_SETJMP_H_
- #define _BSD_PPC_SETJMP_H_
-
- #include <sys/cdefs.h>
- #include <machine/signal.h>
-
- struct _jmp_buf {
- struct sigcontext sigcontext; /* kernel state preserved by set/longjmp */
- unsigned long vmask __attribute__((aligned(8))); /* vector mask register */
- unsigned long vreg[32 * 4] __attribute__((aligned(16)));
- /* 32 128-bit vector registers */
- };
-
- /*
- * _JBLEN is number of ints required to save the following:
- * r1, r2, r13-r31, lr, cr, ctr, xer, sig == 26 ints
- * fr14 - fr31 = 18 doubles = 36 ints
- * vmask, 32 vector registers = 129 ints
- * 2 ints to get all the elements aligned
- */
-
- #define _JBLEN (26 + 36 + 129 + 1)
-
- #if defined(KERNEL)
- typedef struct sigcontext jmp_buf[1];
- typedef struct __sigjmp_buf {
- int __storage[_JBLEN + 1] __attribute__((aligned(8)));
- } sigjmp_buf[1];
- #else
- typedef int jmp_buf[_JBLEN];
- typedef int sigjmp_buf[_JBLEN + 1];
- #endif
-
- __BEGIN_DECLS
- extern int setjmp __P((jmp_buf env));
- extern void longjmp __P((jmp_buf env, int val));
-
- #ifndef _ANSI_SOURCE
- int sigsetjmp __P((sigjmp_buf env, int val));
- void siglongjmp __P((sigjmp_buf env, int val));
- #endif /* _ANSI_SOURCE */
-
- #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
- int _setjmp __P((jmp_buf env));
- void _longjmp __P((jmp_buf, int val));
- void longjmperror __P((void));
- #endif /* neither ANSI nor POSIX */
- __END_DECLS
-
- #endif /* !_BSD_PPC_SETJMP_H_ */
-