--- old/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c	2018-03-23 14:24:45.877157812 +0100
+++ new/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c	2018-03-23 14:24:45.637157813 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1008,7 +1008,8 @@
 }
 
 // the one and only one exposed stuff from this file
-struct ps_prochandle* Pgrab_core(const char* exec_file, const char* core_file) {
+JNIEXPORT struct ps_prochandle* JNICALL
+Pgrab_core(const char* exec_file, const char* core_file) {
   ELF_EHDR core_ehdr;
   ELF_EHDR exec_ehdr;
   ELF_EHDR lib_ehdr;