Mercurial > hg > truffle
annotate src/share/vm/code/pcDesc.cpp @ 1293:51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
Summary: A modified MethodHandlesTest revealed two bugs on x86_64.
Reviewed-by: never, jrose
author | twisti |
---|---|
date | Mon, 08 Mar 2010 04:46:30 -0800 |
parents | f516d5d7a019 |
children | c18cbe5936b8 |
rev | line source |
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0 | 1 /* |
1252
f516d5d7a019
6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
kvn
parents:
931
diff
changeset
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2 * Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved. |
0 | 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_pcDesc.cpp.incl" | |
27 | |
28 PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) { | |
931
72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
0
diff
changeset
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29 assert(sizeof(PcDescFlags) <= 4, "occupies more than a word"); |
0 | 30 _pc_offset = pc_offset; |
31 _scope_decode_offset = scope_decode_offset; | |
32 _obj_decode_offset = obj_decode_offset; | |
931
72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
0
diff
changeset
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33 _flags.word = 0; |
0 | 34 } |
35 | |
36 address PcDesc::real_pc(const nmethod* code) const { | |
37 return code->instructions_begin() + pc_offset(); | |
38 } | |
39 | |
40 void PcDesc::print(nmethod* code) { | |
41 #ifndef PRODUCT | |
42 ResourceMark rm; | |
43 tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset()); | |
44 | |
45 if (scope_decode_offset() == DebugInformationRecorder::serialized_null) { | |
46 return; | |
47 } | |
48 | |
49 for (ScopeDesc* sd = code->scope_desc_at(real_pc(code)); | |
50 sd != NULL; | |
51 sd = sd->sender()) { | |
52 tty->print(" "); | |
53 sd->method()->print_short_name(tty); | |
54 tty->print(" @%d", sd->bci()); | |
1252
f516d5d7a019
6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
kvn
parents:
931
diff
changeset
|
55 if (sd->should_reexecute()) |
f516d5d7a019
6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
kvn
parents:
931
diff
changeset
|
56 tty->print(" reexecute=true"); |
0 | 57 tty->cr(); |
58 } | |
59 #endif | |
60 } | |
61 | |
62 bool PcDesc::verify(nmethod* code) { | |
63 //Unimplemented(); | |
64 return true; | |
65 } |