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