Mercurial > hg > truffle
annotate src/cpu/zero/vm/nativeInst_zero.cpp @ 15557:8a66b661ed49
BaselineBytecodeParser: initial genArrayLength().
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 06 May 2014 20:10:28 +0200 |
parents | f95d63e2154a |
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rev | line source |
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1010 | 1 /* |
1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
1010 | 3 * Copyright 2008 Red Hat, Inc. |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
1010 | 23 * |
24 */ | |
25 | |
1972 | 26 #include "precompiled.hpp" |
27 #include "assembler_zero.inline.hpp" | |
28 #include "memory/resourceArea.hpp" | |
29 #include "nativeInst_zero.hpp" | |
30 #include "oops/oop.inline.hpp" | |
31 #include "runtime/handles.hpp" | |
32 #include "runtime/sharedRuntime.hpp" | |
33 #include "runtime/stubRoutines.hpp" | |
34 #include "utilities/ostream.hpp" | |
35 #ifdef COMPILER1 | |
36 #include "c1/c1_Runtime1.hpp" | |
37 #endif | |
1010 | 38 |
39 // This method is called by nmethod::make_not_entrant_or_zombie to | |
40 // insert a jump to SharedRuntime::get_handle_wrong_method_stub() | |
41 // (dest) at the start of a compiled method (verified_entry) to avoid | |
42 // a race where a method is invoked while being made non-entrant. | |
43 // | |
44 // In Shark, verified_entry is a pointer to a SharkEntry. We can | |
45 // handle this simply by changing it's entry point to point at the | |
46 // interpreter. This only works because the interpreter and Shark | |
47 // calling conventions are the same. | |
48 | |
49 void NativeJump::patch_verified_entry(address entry, | |
50 address verified_entry, | |
51 address dest) { | |
52 assert(dest == SharedRuntime::get_handle_wrong_method_stub(), "should be"); | |
53 | |
54 #ifdef CC_INTERP | |
55 ((ZeroEntry*) verified_entry)->set_entry_point( | |
56 (address) CppInterpreter::normal_entry); | |
57 #else | |
58 Unimplemented(); | |
59 #endif // CC_INTERP | |
60 } |