md.h

kaffe是一个java虚拟机的源代码。里面包含了一些java例程和标准的java包。

/*
 * powerpc/netbsd1/md.h
 * NetBSD PowerPC configuration information.
 *
 * Copyright (c) 1996, 1997
 *	Transvirtual Technologies, Inc.  All rights reserved.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file.
 */

#ifndef __powerpc_netbsd1_md_h
#define __powerpc_netbsd1_md_h

#include "powerpc/common.h"
#include "powerpc/threads.h"

#if (__GNUC__ == 2 && __GNUC_MINOR__ == 91)
/* egcs-1.1.2 aka gcc-2.91 can't compile locks.c with "cc" constraint */
extern int __egcs_cmpxchg(void **A, void *O, void *N);

#undef COMPARE_AND_EXCHANGE
#define COMPARE_AND_EXCHANGE(A,O,N)		\
	__egcs_cmpxchg((void**)(A), (void*)(O), (void*)(N))
#endif


#if defined(JTHREAD_JBLEN) && (JTHREAD_JBLEN > 0)

#undef SP_OFFSET
#define SP_OFFSET 0

extern void kaffe_longjmp (void *jb, int);
extern int kaffe_setjmp (void *jb);

#define JTHREAD_SETJMP(jb)		kaffe_setjmp(jb)
#define JTHREAD_LONGJMP(jb, val)	kaffe_longjmp(jb, val)

#else

#undef SP_OFFSET
#define SP_OFFSET	3

/* JTHREAD_JMPBUFF can't be redefined here as it may be already use in
   structure vmException */

#endif

#endif