Mercurial > hg > graal-compiler
view src/cpu/zero/vm/nativeInst_zero.cpp @ 1945:3f3653ab7af8 jdk7-b121
Merge
author | ohair |
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date | Fri, 03 Dec 2010 19:44:29 -0800 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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/* * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved. * Copyright 2008 Red Hat, Inc. * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "incls/_precompiled.incl" #include "incls/_nativeInst_zero.cpp.incl" // This method is called by nmethod::make_not_entrant_or_zombie to // insert a jump to SharedRuntime::get_handle_wrong_method_stub() // (dest) at the start of a compiled method (verified_entry) to avoid // a race where a method is invoked while being made non-entrant. // // In Shark, verified_entry is a pointer to a SharkEntry. We can // handle this simply by changing it's entry point to point at the // interpreter. This only works because the interpreter and Shark // calling conventions are the same. void NativeJump::patch_verified_entry(address entry, address verified_entry, address dest) { assert(dest == SharedRuntime::get_handle_wrong_method_stub(), "should be"); #ifdef CC_INTERP ((ZeroEntry*) verified_entry)->set_entry_point( (address) CppInterpreter::normal_entry); #else Unimplemented(); #endif // CC_INTERP }