Mercurial > hg > truffle
annotate src/cpu/zero/vm/entry_zero.hpp @ 18159:2d6646ca59be
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 22 Oct 2014 20:33:19 +0200 |
parents | da91efe96a93 |
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1010 | 1 /* |
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
1514 | 3 * Copyright 2008, 2009, 2010 Red Hat, Inc. |
1010 | 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 #ifndef CPU_ZERO_VM_ENTRY_ZERO_HPP |
27 #define CPU_ZERO_VM_ENTRY_ZERO_HPP | |
28 | |
1010 | 29 class ZeroEntry { |
30 public: | |
31 ZeroEntry() { | |
32 ShouldNotCallThis(); | |
33 } | |
34 | |
35 private: | |
36 address _entry_point; | |
37 | |
38 public: | |
39 address entry_point() const { | |
40 return _entry_point; | |
41 } | |
42 void set_entry_point(address entry_point) { | |
43 _entry_point = entry_point; | |
44 } | |
45 | |
46 private: | |
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47 typedef int (*NormalEntryFunc)(Method* method, |
1514 | 48 intptr_t base_pc, |
49 TRAPS); | |
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50 typedef int (*OSREntryFunc)(Method* method, |
1514 | 51 address osr_buf, |
52 intptr_t base_pc, | |
53 TRAPS); | |
1010 | 54 |
55 public: | |
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56 void invoke(Method* method, TRAPS) const { |
1514 | 57 maybe_deoptimize( |
58 ((NormalEntryFunc) entry_point())(method, (intptr_t) this, THREAD), | |
59 THREAD); | |
1010 | 60 } |
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61 void invoke_osr(Method* method, address osr_buf, TRAPS) const { |
1514 | 62 maybe_deoptimize( |
63 ((OSREntryFunc) entry_point())(method, osr_buf, (intptr_t) this, THREAD), | |
64 THREAD); | |
65 } | |
66 | |
67 private: | |
68 static void maybe_deoptimize(int deoptimized_frames, TRAPS) { | |
69 if (deoptimized_frames) | |
70 CppInterpreter::main_loop(deoptimized_frames - 1, THREAD); | |
1010 | 71 } |
72 | |
73 public: | |
74 static ByteSize entry_point_offset() { | |
75 return byte_offset_of(ZeroEntry, _entry_point); | |
76 } | |
77 }; | |
1972 | 78 |
79 #endif // CPU_ZERO_VM_ENTRY_ZERO_HPP |