Fixed alignment issues of ProfilerEventsProcessor.

src/allocation.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "allocation.h"
 
 #include <stdlib.h>  // For free, malloc.
 #include "checks.h"
 #include "platform.h"
 #include "utils.h"
 
+#if V8_LIBC_BIONIC
+#include <malloc.h>  // NOLINT
+#endif
+
 namespace v8 {
 namespace internal {
 
 void* Malloced::New(size_t size) {
   void* result = malloc(size);
   if (result == NULL) {
     v8::internal::FatalProcessOutOfMemory("Malloced operator new");
   }
   return result;
 }
@@ skipping 48 matching lines @@
 
 char* StrNDup(const char* str, int n) {
   int length = StrLength(str);
   if (n < length) length = n;
   char* result = NewArray<char>(length + 1);
   OS::MemCopy(result, str, length);
   result[length] = '\0';
   return result;
 }
 
+
+void* AlignedAlloc(size_t size, size_t alignment) {
+  ASSERT(IsPowerOf2(alignment) && alignment >= V8_ALIGNOF(void*));  // NOLINT
+  void* ptr;
+#if V8_OS_WIN
+  ptr = _aligned_malloc(size, alignment);
+#elif V8_LIBC_BIONIC
+  // posix_memalign is not exposed in some Android versions, so we fall back to
+  // memalign. See http://code.google.com/p/android/issues/detail?id=35391.
+  ptr = memalign(alignment, size);
+#else
+  if (posix_memalign(&ptr, alignment, size)) ptr = NULL;
+#endif
+  if (ptr == NULL) FatalProcessOutOfMemory("AlignedAlloc");
+  return ptr;
+}
+
+
+void AlignedFree(void *ptr) {
+#if V8_OS_WIN
+  _aligned_free(ptr);
+#elif V8_LIBC_BIONIC
+  // Using free is not correct in general, but for V8_LIBC_BIONIC it is.
+  free(ptr);
+#else
+  free(ptr);
+#endif
+}
+
 } }  // namespace v8::internal