1 /* |
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2 * Copyright 1994-2002 Sun Microsystems, Inc. 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. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 |
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26 #ifndef _JAVASOFT_TYPEDEFS_H_ |
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27 #define _JAVASOFT_TYPEDEFS_H_ |
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28 |
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29 #include "typedefs_md.h" /* for int64_t */ |
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30 |
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31 /* |
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32 * Macros to deal with the JavaVM's stack alignment. Many machines |
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33 * require doublewords to be double aligned. This union is used by |
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34 * code in math.h as a more portable way do alingnment on machines |
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35 * that require it. This union and the macros that use it came from |
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36 * Netscape. |
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37 */ |
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38 |
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39 #ifdef HAVE_ALIGNED_LONGLONGS |
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40 #define GET_INT64(_t,_addr) \ |
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41 ((((int32_t*) &(_t))[0] = ((int32_t*)(_addr))[0]), \ |
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42 (((int32_t*) &(_t))[1] = ((int32_t*)(_addr))[1]), \ |
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43 (_t).j ) |
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44 #define SET_INT64(_t, _addr, _v) \ |
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45 ( (_t).j = (_v), \ |
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46 ((int32_t*)(_addr))[0] = ((int32_t*) &(_t))[0], \ |
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47 ((int32_t*)(_addr))[1] = ((int32_t*) &(_t))[1] ) |
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48 #else |
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49 #define GET_INT64(_t,_addr) (*(int64_t*)(_addr)) |
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50 #define SET_INT64(_t, _addr, _v) (*(int64_t*)(_addr) = (_v)) |
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51 #endif |
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52 |
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53 /* If double's must be aligned on doubleword boundaries then define this */ |
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54 #ifdef HAVE_ALIGNED_DOUBLES |
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55 #define GET_DOUBLE(_t,_addr) \ |
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56 ((((int32_t*) &(_t))[0] = ((int32_t*)(_addr))[0]), \ |
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57 (((int32_t*) &(_t))[1] = ((int32_t*)(_addr))[1]), \ |
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58 (_t).d ) |
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59 #define SET_DOUBLE(_t, _addr, _v) \ |
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60 ( (_t).d = (_v), \ |
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61 ((int32_t*)(_addr))[0] = ((int32_t*) &(_t))[0], \ |
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62 ((int32_t*)(_addr))[1] = ((int32_t*) &(_t))[1] ) |
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63 #else |
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64 #define GET_DOUBLE(_t,_addr) (*(jdouble*)(_addr)) |
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65 #define SET_DOUBLE(_t, _addr, _v) (*(jdouble*)(_addr) = (_v)) |
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66 #endif |
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67 |
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68 /* If pointers are 64bits then define this */ |
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69 #ifdef HAVE_64BIT_POINTERS |
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70 #define GET_HANDLE(_t,_addr) \ |
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71 ( ((int32_t*) &(_t))[0] = ((int32_t*)(_addr))[0]), \ |
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72 ((int32_t*) &(_t))[1] = ((int32_t*)(_addr))[1]), \ |
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73 (void*) (_t).l ) |
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74 #define SET_HANDLE(_t, _addr, _v) \ |
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75 ( *(void**) &((_t).l) = (_v), \ |
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76 ((int32_t*)(_addr))[0] = ((int32_t*) &(_t))[0], \ |
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77 ((int32_t*)(_addr))[1] = ((int32_t*) &(_t))[1] ) |
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78 #else |
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79 #define GET_HANDLE(_t,_addr) (*(JHandle*)(_addr)) |
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80 #define SET_HANDLE(_t, _addr, _v) (*(JHandle*)(_addr) = (_v)) |
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81 #endif |
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82 |
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83 |
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84 /* |
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85 * Printf-style formatters for fixed- and variable-width types as pointers and |
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86 * integers. |
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87 * |
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88 * Each platform-specific definitions file "typedefs_md.h" |
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89 * must define the macro FORMAT64_MODIFIER, which is the modifier for '%x' or |
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90 * '%d' formats to indicate a 64-bit quantity; commonly "l" (in LP64) or "ll" |
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91 * (in ILP32). |
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92 */ |
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93 |
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94 /* Format 32-bit quantities. */ |
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95 #define INT32_FORMAT "%d" |
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96 #define UINT32_FORMAT "%u" |
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97 #define PTR32_FORMAT "0x%08x" |
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98 |
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99 /* Format 64-bit quantities. */ |
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100 #define INT64_FORMAT "%" FORMAT64_MODIFIER "d" |
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101 #define UINT64_FORMAT "%" FORMAT64_MODIFIER "u" |
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102 #define PTR64_FORMAT "0x%016" FORMAT64_MODIFIER "x" |
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103 |
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104 /* Format pointers and size_t (or size_t-like integer types) which change size |
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105 * between 32- and 64-bit. |
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106 */ |
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107 #if defined(_LP64) || defined(_WIN64) |
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108 #define PTR_FORMAT PTR64_FORMAT |
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109 #define SIZE_FORMAT UINT64_FORMAT |
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110 #define SSIZE_FORMAT INT64_FORMAT |
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111 #else |
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112 #define PTR_FORMAT PTR32_FORMAT |
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113 #define SIZE_FORMAT UINT32_FORMAT |
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114 #define SSIZE_FORMAT INT32_FORMAT |
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115 #endif |
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116 |
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117 #define INTPTR_FORMAT PTR_FORMAT |
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118 |
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119 |
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120 #endif /* !_JAVASOFT_TYPEDEFS_H_ */ |
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