diff src/share/vm/utilities/globalDefinitions.hpp @ 12355:cefad50507d8

Merge with hs25-b53
author Gilles Duboscq <duboscq@ssw.jku.at>
date Fri, 11 Oct 2013 10:38:03 +0200
parents 58fc8e2b7b6d 190899198332
children 359f7e70ae7f
line wrap: on
line diff
--- a/src/share/vm/utilities/globalDefinitions.hpp	Thu Oct 10 18:26:22 2013 +0200
+++ b/src/share/vm/utilities/globalDefinitions.hpp	Fri Oct 11 10:38:03 2013 +0200
@@ -402,6 +402,14 @@
 
 #define align_size_up_(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1))
 
+inline bool is_size_aligned(size_t size, size_t alignment) {
+  return align_size_up_(size, alignment) == size;
+}
+
+inline bool is_ptr_aligned(void* ptr, size_t alignment) {
+  return align_size_up_((intptr_t)ptr, (intptr_t)alignment) == (intptr_t)ptr;
+}
+
 inline intptr_t align_size_up(intptr_t size, intptr_t alignment) {
   return align_size_up_(size, alignment);
 }
@@ -414,6 +422,14 @@
 
 #define is_size_aligned_(size, alignment) ((size) == (align_size_up_(size, alignment)))
 
+inline void* align_ptr_up(void* ptr, size_t alignment) {
+  return (void*)align_size_up((intptr_t)ptr, (intptr_t)alignment);
+}
+
+inline void* align_ptr_down(void* ptr, size_t alignment) {
+  return (void*)align_size_down((intptr_t)ptr, (intptr_t)alignment);
+}
+
 // Align objects by rounding up their size, in HeapWord units.
 
 #define align_object_size_(size) align_size_up_(size, MinObjAlignment)
@@ -951,9 +967,9 @@
 // (These must be implemented as #defines because C++ compilers are
 // not obligated to inline non-integral constants!)
 #define       badAddress        ((address)::badAddressVal)
-#define       badOop            ((oop)::badOopVal)
+#define       badOop            (cast_to_oop(::badOopVal))
 #define       badHeapWord       (::badHeapWordVal)
-#define       badJNIHandle      ((oop)::badJNIHandleVal)
+#define       badJNIHandle      (cast_to_oop(::badJNIHandleVal))
 
 // Default TaskQueue size is 16K (32-bit) or 128K (64-bit)
 #define TASKQUEUE_SIZE (NOT_LP64(1<<14) LP64_ONLY(1<<17))