| 1 | // nogc.cc - Implement null garbage collector. | 
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| 2 |  | 
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| 3 | /* Copyright (C) 1998, 1999, 2000, 2001, 2002  Free Software Foundation | 
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| 4 |  | 
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| 5 | This file is part of libgcj. | 
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| 6 |  | 
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| 7 | This software is copyrighted work licensed under the terms of the | 
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| 8 | Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for | 
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| 9 | details.  */ | 
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| 10 |  | 
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| 11 | #include <config.h> | 
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| 12 |  | 
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| 13 | #include <stdio.h> | 
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| 14 | #include <stdlib.h> | 
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| 15 |  | 
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| 16 | #include <gcj/cni.h> | 
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| 17 | #include <jvm.h> | 
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| 18 |  | 
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| 19 | // Total amount of memory allocated. | 
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| 20 | static long total = 0; | 
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| 21 |  | 
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| 22 | void * | 
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| 23 | _Jv_BuildGCDescr(jclass) | 
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| 24 | { | 
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| 25 | return 0; | 
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| 26 | } | 
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| 27 |  | 
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| 28 | void * | 
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| 29 | _Jv_AllocObj (jsize size, jclass klass) | 
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| 30 | { | 
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| 31 | total += size; | 
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| 32 | void *obj = calloc (size, 1); | 
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| 33 | if (!obj) _Jv_ThrowNoMemory(); | 
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| 34 | *((_Jv_VTable **) obj) = klass->vtable; | 
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| 35 | return obj; | 
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| 36 | } | 
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| 37 |  | 
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| 38 | void * | 
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| 39 | _Jv_AllocPtrFreeObj (jsize size, jclass klass) | 
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| 40 | { | 
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| 41 | total += size; | 
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| 42 | void *obj = calloc (size, 1); | 
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| 43 | if (!obj) _Jv_ThrowNoMemory(); | 
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| 44 | *((_Jv_VTable **) obj) = klass->vtable; | 
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| 45 | return obj; | 
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| 46 | } | 
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| 47 |  | 
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| 48 | void * | 
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| 49 | _Jv_AllocArray (jsize size, jclass klass) | 
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| 50 | { | 
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| 51 | total += size; | 
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| 52 | void *obj = calloc (size, 1); | 
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| 53 | if (!obj) _Jv_ThrowNoMemory(); | 
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| 54 | *((_Jv_VTable **) obj) = klass->vtable; | 
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| 55 | return obj; | 
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| 56 | } | 
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| 57 |  | 
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| 58 | void * | 
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| 59 | _Jv_AllocBytes (jsize size) | 
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| 60 | { | 
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| 61 | total += size; | 
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| 62 | void *obj = calloc (size, 1); | 
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| 63 | if (!obj) _Jv_ThrowNoMemory(); | 
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| 64 | return obj; | 
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| 65 | } | 
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| 66 |  | 
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| 67 | void * | 
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| 68 | _Jv_AllocRawObj (jsize size) | 
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| 69 | { | 
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| 70 | total += size; | 
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| 71 | return calloc (size, 1); | 
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| 72 | } | 
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| 73 |  | 
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| 74 | void | 
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| 75 | _Jv_RegisterFinalizer (void *, _Jv_FinalizerFunc *) | 
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| 76 | { | 
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| 77 | // FIXME: should actually register so that finalizers can be run on | 
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| 78 | // exit. | 
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| 79 | } | 
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| 80 |  | 
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| 81 | void | 
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| 82 | _Jv_RunFinalizers (void) | 
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| 83 | { | 
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| 84 | } | 
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| 85 |  | 
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| 86 | void | 
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| 87 | _Jv_RunAllFinalizers (void) | 
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| 88 | { | 
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| 89 | // FIXME: should still run all finalizers. | 
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| 90 | } | 
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| 91 |  | 
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| 92 | void | 
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| 93 | _Jv_GCInitializeFinalizers (void (*) (void)) | 
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| 94 | { | 
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| 95 | } | 
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| 96 |  | 
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| 97 | void | 
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| 98 | _Jv_RunGC (void) | 
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| 99 | { | 
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| 100 | } | 
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| 101 |  | 
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| 102 | long | 
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| 103 | _Jv_GCTotalMemory (void) | 
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| 104 | { | 
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| 105 | return total; | 
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| 106 | } | 
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| 107 |  | 
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| 108 | long | 
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| 109 | _Jv_GCFreeMemory (void) | 
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| 110 | { | 
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| 111 | return 0; | 
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| 112 | } | 
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| 113 |  | 
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| 114 | void | 
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| 115 | _Jv_GCSetInitialHeapSize (size_t) | 
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| 116 | { | 
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| 117 | } | 
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| 118 |  | 
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| 119 | void | 
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| 120 | _Jv_GCSetMaximumHeapSize (size_t) | 
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| 121 | { | 
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| 122 | } | 
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| 123 |  | 
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| 124 | void | 
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| 125 | _Jv_DisableGC (void) | 
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| 126 | { | 
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| 127 | } | 
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| 128 |  | 
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| 129 | void | 
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| 130 | _Jv_EnableGC (void) | 
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| 131 | { | 
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| 132 | } | 
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| 133 |  | 
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| 134 | void | 
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| 135 | _Jv_InitGC (void) | 
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| 136 | { | 
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| 137 | } | 
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| 138 |  | 
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| 139 | void | 
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| 140 | _Jv_GCRegisterDisappearingLink (jobject *) | 
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| 141 | { | 
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| 142 | } | 
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| 143 |  | 
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| 144 | jboolean | 
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| 145 | _Jv_GCCanReclaimSoftReference (jobject) | 
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| 146 | { | 
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| 147 | // For now, always reclaim soft references.  FIXME. | 
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| 148 | return true; | 
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| 149 | } | 
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| 150 |  | 
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| 151 | #ifdef JV_HASH_SYNCHRONIZATION | 
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| 152 | void * | 
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| 153 | _Jv_AllocTraceOne (jsize size /* includes vtable slot */) | 
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| 154 | { | 
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| 155 | void *obj = calloc(size, 1); | 
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| 156 | if (!obj) _Jv_ThrowNoMemory(); | 
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| 157 | return result; | 
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| 158 | } | 
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| 159 |  | 
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| 160 | void * | 
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| 161 | _Jv_AllocTraceTwo (jsize size /* includes vtable slot */) | 
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| 162 | { | 
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| 163 | void *obj = calloc(size, 1); | 
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| 164 | if (!obj) _Jv_ThrowNoMemory(); | 
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| 165 | return result; | 
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| 166 | } | 
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| 167 | #endif /* JV_HASH_SYNCHRONIZATION */ | 
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