Mercurial > hg > truffle
view src/share/vm/prims/nativeLookup.hpp @ 656:6bdd6923ba16
6541756: Reduce executable C-heap
Summary: Add executable parameters to reserve_memory and commit_memory to reduce executable memory to only the Code Heap.
Reviewed-by: xlu, kvn, acorn
author | coleenp |
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date | Wed, 25 Mar 2009 14:19:20 -0400 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 1997-2005 Sun Microsystems, Inc. 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // NativeLookup provides an interface for finding DLL entry points for // Java native functions. class NativeLookup : AllStatic { private: // JNI name computation static char* pure_jni_name(methodHandle method); static char* long_jni_name(methodHandle method); // Style specific lookup static address lookup_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS); static address lookup_base (methodHandle method, bool& in_base_library, TRAPS); static address lookup_entry(methodHandle method, bool& in_base_library, TRAPS); static address lookup_entry_prefixed(methodHandle method, bool& in_base_library, TRAPS); public: // Lookup native function. May throw UnsatisfiedLinkError. static address lookup(methodHandle method, bool& in_base_library, TRAPS); // Lookup native functions in base library. static address base_library_lookup(const char* class_name, const char* method_name, const char* signature); };