libjava/nogc.cc

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