libjava/nogc.cc

   1 // nogc.cc - Implement null garbage collector.
   2
   3 /* Copyright (C) 1998, 1999, 2000, 2001  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 #ifdef INTERPRETER
  23 void *
  24 _Jv_BuildGCDescr(jclass klass)
  25 {
  26   return 0;
  27 }
  28 #endif
  29
  30 void *
  31 _Jv_AllocObj (jsize size, jclass klass)
  32 {
  33   total += size;
  34   void *obj = calloc (size, 1);
  35   if (!obj) _Jv_ThrowNoMemory();
  36   *((_Jv_VTable **) obj) = klass->vtable;
  37   return obj;
  38 }
  39
  40 void *
  41 _Jv_AllocPtrFreeObj (jsize size, jclass klass)
  42 {
  43   total += size;
  44   ptr_t obj = malloc (size, 1);
  45   if (!obj) _Jv_ThrowNoMemory();
  46   *((_Jv_VTable **) obj) = klass->vtable;
  47   return obj;
  48 }
  49
  50 void *
  51 _Jv_AllocArray (jsize size, jclass klass)
  52 {
  53   total += size;
  54   void *obj = calloc (size, 1);
  55   if (!obj) _Jv_ThrowNoMemory();
  56   *((_Jv_VTable **) obj) = klass->vtable;
  57   return obj;
  58 }
  59
  60 void *
  61 _Jv_AllocBytes (jsize size)
  62 {
  63   total += size;
  64   ptr_t obj = calloc (size, 1);
  65   if (!obj) _Jv_ThrowNoMemory();
  66   return obj;
  67 }
  68
  69 void
  70 _Jv_RegisterFinalizer (void *, _Jv_FinalizerFunc *)
  71 {
  72   // FIXME: should actually register so that finalizers can be run on
  73   // exit.
  74 }
  75
  76 void
  77 _Jv_RunFinalizers (void)
  78 {
  79 }
  80
  81 void
  82 _Jv_RunAllFinalizers (void)
  83 {
  84   // FIXME: should still run all finalizers.
  85 }
  86
  87 void
  88 _Jv_RunGC (void)
  89 {
  90 }
  91
  92 long
  93 _Jv_GCTotalMemory (void)
  94 {
  95   return total;
  96 }
  97
  98 long
  99 _Jv_GCFreeMemory (void)
 100 {
 101   return 0;
 102 }
 103
 104 void
 105 _Jv_GCSetInitialHeapSize (size_t size)
 106 {
 107 }
 108
 109 void
 110 _Jv_GCSetMaximumHeapSize (size_t size)
 111 {
 112 }
 113
 114 void
 115 _Jv_DisableGC (void)
 116 {
 117 }
 118
 119 void
 120 _Jv_EnableGC (void)
 121 {
 122 }
 123
 124 void
 125 _Jv_InitGC (void)
 126 {
 127 }
 128
 129 #ifdef JV_HASH_SYNCHRONIZATION
 130 void *
 131 _Jv_AllocTraceOne (jsize size /* includes vtable slot */)
 132 {
 133   ptr_t obj = calloc(size, 1);
 134   if (!obj) _Jv_ThrowNoMemory();
 135   return result;
 136 }
 137 #endif /* JV_HASH_SYNCHRONIZATION */