libjava/include/boehm-gc.h

   1 // -*- c++ -*-
   2 // boehm-gc.h - Defines for Boehm collector.
   3
   4 /* Copyright (C) 1998, 1999, 2002, 2004  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   void *_Jv_MarkObj (void *, void *, void *, void *);
  21   void *_Jv_MarkArray (void *, void *, void *, void *);
  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 #include <gc_ext_config.h> // for THREAD_LOCAL_ALLOC
  30
  31 extern "C" void * GC_gcj_malloc(size_t, void *);
  32 extern "C" void * GC_malloc_atomic(size_t);
  33 #ifdef THREAD_LOCAL_ALLOC
  34 extern "C" void * GC_local_gcj_malloc(size_t, void *);
  35 extern "C" void * GC_local_malloc_atomic(size_t);
  36 #endif
  37
  38 #ifndef LIBGCJ_GC_DEBUG
  39
  40 inline void *
  41 _Jv_AllocObj (jsize size, jclass klass)
  42 {
  43   // This should call GC_GCJ_MALLOC, but that would involve
  44   // including gc.h.
  45 #ifdef THREAD_LOCAL_ALLOC
  46   return GC_local_gcj_malloc (size, klass->vtable);
  47 #else
  48   return GC_gcj_malloc (size, klass->vtable);
  49 #endif
  50 }
  51
  52 inline void *
  53 _Jv_AllocPtrFreeObj (jsize size, jclass klass)
  54 {
  55 #ifdef JV_HASH_SYNCHRONIZATION
  56 # ifdef THREAD_LOCAL_ALLOC
  57     void * obj = GC_local_malloc_atomic(size);
  58 # else
  59     void * obj = GC_malloc_atomic(size);
  60 # endif
  61   *((_Jv_VTable **) obj) = klass->vtable;
  62 #else
  63 # ifdef THREAD_LOCAL_ALLOC
  64     void * obj = GC_local_gcj_malloc(size, klass->vtable);
  65 # else
  66     void * obj = GC_gcj_malloc(size, klass->vtable);
  67 # endif
  68 #endif
  69   return obj;
  70 }
  71
  72 #else /* LIBGCJ_GC_DEBUG */
  73
  74 void *
  75 _Jv_AllocObj (jsize size, jclass klass);
  76
  77 void *
  78 _Jv_AllocPtrFreeObj (jsize size, jclass klass);
  79
  80 #endif /* LIBGCJ_GC_DEBUG */
  81
  82 // _Jv_AllocBytes (jsize size) should go here, too.  But clients don't
  83 // usually include this header.
  84
  85 #endif /* __JV_BOEHM_GC__ */