Thu, 04 Dec 2008 17:29:56 -0800
6739363: Xcheck jni doesn't check native function arguments
Summary: Fix adds support for verifying arguments with -Xcheck:jni.
Reviewed-by: coleenp
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // Contains inlined functions for class InterfaceSupport |
duke@435 | 26 | |
duke@435 | 27 | static inline void serialize_memory(JavaThread *thread) { |
duke@435 | 28 | // due to chained nature of SEH handlers we have to be sure |
duke@435 | 29 | // that our handler is always last handler before an attempt to write |
duke@435 | 30 | // into serialization page - it can fault if we access this page |
duke@435 | 31 | // right in the middle of protect/unprotect sequence by remote |
duke@435 | 32 | // membar logic. |
duke@435 | 33 | // __try/__except are very lightweight operations (only several |
duke@435 | 34 | // instructions not affecting control flow directly on x86) |
duke@435 | 35 | // so we can use it here, on very time critical path |
duke@435 | 36 | __try { |
duke@435 | 37 | os::write_memory_serialize_page(thread); |
duke@435 | 38 | } __except (os::win32:: |
duke@435 | 39 | serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info())) |
duke@435 | 40 | {} |
duke@435 | 41 | } |