1 /*
2 * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 // NativeLookup provides an interface for finding DLL entry points for
26 // Java native functions.
27
28 class NativeLookup : AllStatic {
29 private:
30 // JNI name computation
31 static char* pure_jni_name(methodHandle method);
32 static char* long_jni_name(methodHandle method);
33
34 // Style specific lookup
35 static address lookup_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS);
36 static address lookup_base (methodHandle method, bool& in_base_library, TRAPS);
37 static address lookup_entry(methodHandle method, bool& in_base_library, TRAPS);
38 static address lookup_entry_prefixed(methodHandle method, bool& in_base_library, TRAPS);
39 public:
40 // Lookup native function. May throw UnsatisfiedLinkError.
41 static address lookup(methodHandle method, bool& in_base_library, TRAPS);
42
43 // Lookup native functions in base library.
44 static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);
45 };
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1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_PRIMS_NATIVELOOKUP_HPP
26 #define SHARE_VM_PRIMS_NATIVELOOKUP_HPP
27
28 #include "runtime/handles.hpp"
29 #include "utilities/top.hpp"
30
31 // NativeLookup provides an interface for finding DLL entry points for
32 // Java native functions.
33
34 class NativeLookup : AllStatic {
35 private:
36 // JNI name computation
37 static char* pure_jni_name(methodHandle method);
38 static char* long_jni_name(methodHandle method);
39
40 // Style specific lookup
41 static address lookup_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS);
42 static address lookup_base (methodHandle method, bool& in_base_library, TRAPS);
43 static address lookup_entry(methodHandle method, bool& in_base_library, TRAPS);
44 static address lookup_entry_prefixed(methodHandle method, bool& in_base_library, TRAPS);
45 public:
46 // Lookup native function. May throw UnsatisfiedLinkError.
47 static address lookup(methodHandle method, bool& in_base_library, TRAPS);
48
49 // Lookup native functions in base library.
50 static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);
51 };
52
53 #endif // SHARE_VM_PRIMS_NATIVELOOKUP_HPP
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