libjava/include/boehm-gc.h

   1 // -*- c++ -*-
   2 // boehm-gc.h - Defines for Boehm collector.
   3
   4 /* Copyright (C) 1998, 1999, 2002  Free Software Foundation
   5
   6    This file is part of libgcj.
   7
   8 This software is copyrighted work licensed under the terms of the
   9 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
  10 details.  */
  11
  12 #ifndef __JV_BOEHM_GC__
  13 #define __JV_BOEHM_GC__
  14
  15 #define JV_MARKOBJ_DECL void *_Jv_MarkObj (void *, void *, void *, void *)
  16 #define JV_MARKARRAY_DECL void *_Jv_MarkArray (void *, void *, void *, void *)
  17
  18 extern "C"
  19 {
  20   JV_MARKOBJ_DECL;
  21   JV_MARKARRAY_DECL;
  22 }
  23
  24 // Enough stuff to inline _Jv_AllocObj.  Ugly.
  25 #include <gcj/javaprims.h>
  26 #include <java/lang/Class.h>
  27 #include <string.h>
  28
  29 extern "C" void * GC_gcj_malloc(size_t, void *);
  30 extern "C" void * GC_malloc_atomic(size_t);
  31 #ifdef THREAD_LOCAL_ALLOC
  32 extern "C" void * GC_local_gcj_malloc(size_t, void *);
  33 extern "C" void * GC_local_malloc_atomic(size_t);
  34 #endif
  35
  36 inline void *
  37 _Jv_AllocObj (jsize size, jclass klass)
  38 {
  39   // This should call GC_GCJ_MALLOC, but that would involve
  40   // including gc.h.
  41 #ifdef THREAD_LOCAL_ALLOC
  42   return GC_local_gcj_malloc (size, klass->vtable);
  43 #else
  44   return GC_gcj_malloc (size, klass->vtable);
  45 #endif
  46 }
  47
  48 inline void *
  49 _Jv_AllocPtrFreeObj (jsize size, jclass klass)
  50 {
  51 #ifdef JV_HASH_SYNCHRONIZATION
  52 # ifdef THREAD_LOCAL_ALLOC
  53     void * obj = GC_local_malloc_atomic(size);
  54 # else
  55     void * obj = GC_malloc_atomic(size);
  56 # endif
  57   *((_Jv_VTable **) obj) = klass->vtable;
  58 #else
  59 # ifdef THREAD_LOCAL_ALLOC
  60     void * obj = GC_local_gcj_malloc(size, klass->vtable);
  61 # else
  62     void * obj = GC_gcj_malloc(size, klass->vtable);
  63 # endif
  64 #endif
  65   return obj;
  66 }
  67
  68 // _Jv_AllocBytes (jsize size) should go here, too.  But clients don't
  69 // usually include this header.
  70
  71 #endif /* __JV_BOEHM_GC__ */