/*

 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#ifndef JDWP_UTIL_MD_H

#define JDWP_UTIL_MD_H

#include <stddef.h>

#include <stdint.h>  /* To get uintptr_t */

#include <limits.h>

#include <sys/types.h>

#ifdef _ALLBSD_SOURCE

#include <machine/endian.h>

#elif __linux__

#include <endian.h>

#endif

#ifdef _LP64

typedef unsigned long UNSIGNED_JLONG;

typedef unsigned int UNSIGNED_JINT;

#else /* _LP64 */

typedef unsigned long long UNSIGNED_JLONG;

typedef unsigned long UNSIGNED_JINT;

#endif /* _LP64 */

#ifndef MAXPATHLEN

#define MAXPATHLEN              PATH_MAX

#endif

/* On little endian machines, convert java big endian numbers. */

#if defined(_LITTLE_ENDIAN)

#define HOST_TO_JAVA_CHAR(x) (((x & 0xff) << 8) | ((x >> 8) & (0xff)))

#define HOST_TO_JAVA_SHORT(x) (((x & 0xff) << 8) | ((x >> 8) & (0xff)))

#define HOST_TO_JAVA_INT(x)                                             \

                  ((x << 24) |                                          \

                   ((x & 0x0000ff00) << 8) |                            \

                   ((x & 0x00ff0000) >> 8) |                            \

                   (((UNSIGNED_JINT)(x & 0xff000000)) >> 24))

#define HOST_TO_JAVA_LONG(x)                                            \

                  ((x << 56) |                                          \

                   ((x & 0x000000000000ff00) << 40) |                   \

                   ((x & 0x0000000000ff0000) << 24) |                   \

                   ((x & 0x00000000ff000000) << 8) |                    \

                   ((x & 0x000000ff00000000) >> 8) |                    \

                   ((x & 0x0000ff0000000000) >> 24) |                   \

                   ((x & 0x00ff000000000000) >> 40) |                   \

                   (((UNSIGNED_JLONG)(x & 0xff00000000000000)) >> 56))

#define HOST_TO_JAVA_FLOAT(x) stream_encodeFloat(x)

#define HOST_TO_JAVA_DOUBLE(x) stream_encodeDouble(x)

#else

#define HOST_TO_JAVA_CHAR(x)   (x)

#define HOST_TO_JAVA_SHORT(x)  (x)

#define HOST_TO_JAVA_INT(x)    (x)

#define HOST_TO_JAVA_LONG(x)   (x)

#define HOST_TO_JAVA_FLOAT(x)  (x)

#define HOST_TO_JAVA_DOUBLE(x) (x)

#endif

#define JAVA_TO_HOST_CHAR(x)   HOST_TO_JAVA_CHAR(x)

#define JAVA_TO_HOST_SHORT(x)  HOST_TO_JAVA_SHORT(x)

#define JAVA_TO_HOST_INT(x)    HOST_TO_JAVA_INT(x)

#define JAVA_TO_HOST_LONG(x)   HOST_TO_JAVA_LONG(x)

#define JAVA_TO_HOST_FLOAT(x)  HOST_TO_JAVA_FLOAT(x)

#define JAVA_TO_HOST_DOUBLE(x) HOST_TO_JAVA_DOUBLE(x)

#endif