1 /* 2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifndef JDWP_UTIL_MD_H 27 #define JDWP_UTIL_MD_H 28 29 #include <stddef.h> 30 #include <stdint.h> /* To get uintptr_t */ 31 32 #include <limits.h> 33 #include <sys/types.h> 34 #ifdef _ALLBSD_SOURCE 35 #include <machine/endian.h> 36 #elif __linux__ 37 #include <endian.h> 38 #endif 39 40 #ifdef _LP64 41 typedef unsigned long UNSIGNED_JLONG; 42 typedef unsigned int UNSIGNED_JINT; 43 #else /* _LP64 */ 44 typedef unsigned long long UNSIGNED_JLONG; 45 typedef unsigned long UNSIGNED_JINT; 46 #endif /* _LP64 */ 47 48 #ifndef MAXPATHLEN 49 #define MAXPATHLEN PATH_MAX 50 #endif 51 52 /* On little endian machines, convert java big endian numbers. */ 53 54 #if defined(_LITTLE_ENDIAN) 55 56 #define HOST_TO_JAVA_CHAR(x) (((x & 0xff) << 8) | ((x >> 8) & (0xff))) 57 #define HOST_TO_JAVA_SHORT(x) (((x & 0xff) << 8) | ((x >> 8) & (0xff))) 58 #define HOST_TO_JAVA_INT(x) \ 59 ((x << 24) | \ 60 ((x & 0x0000ff00) << 8) | \ 61 ((x & 0x00ff0000) >> 8) | \ 62 (((UNSIGNED_JINT)(x & 0xff000000)) >> 24)) 63 #define HOST_TO_JAVA_LONG(x) \ 64 ((x << 56) | \ 65 ((x & 0x000000000000ff00LL) << 40) | \ 66 ((x & 0x0000000000ff0000LL) << 24) | \ 67 ((x & 0x00000000ff000000LL) << 8) | \ 68 ((x & 0x000000ff00000000LL) >> 8) | \ 69 ((x & 0x0000ff0000000000LL) >> 24) | \ 70 ((x & 0x00ff000000000000LL) >> 40) | \ 71 (((UNSIGNED_JLONG)(x & 0xff00000000000000ULL)) >> 56)) 72 #define HOST_TO_JAVA_FLOAT(x) stream_encodeFloat(x) 73 #define HOST_TO_JAVA_DOUBLE(x) stream_encodeDouble(x) 74 75 #else 76 77 #define HOST_TO_JAVA_CHAR(x) (x) 78 #define HOST_TO_JAVA_SHORT(x) (x) 79 #define HOST_TO_JAVA_INT(x) (x) 80 #define HOST_TO_JAVA_LONG(x) (x) 81 #define HOST_TO_JAVA_FLOAT(x) (x) 82 #define HOST_TO_JAVA_DOUBLE(x) (x) 83 84 #endif 85 86 #define JAVA_TO_HOST_CHAR(x) HOST_TO_JAVA_CHAR(x) 87 #define JAVA_TO_HOST_SHORT(x) HOST_TO_JAVA_SHORT(x) 88 #define JAVA_TO_HOST_INT(x) HOST_TO_JAVA_INT(x) 89 #define JAVA_TO_HOST_LONG(x) HOST_TO_JAVA_LONG(x) 90 #define JAVA_TO_HOST_FLOAT(x) HOST_TO_JAVA_FLOAT(x) 91 #define JAVA_TO_HOST_DOUBLE(x) HOST_TO_JAVA_DOUBLE(x) 92 93 #endif 94