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comparison src/share/vm/code/pcDesc.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children 72088be4b386
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
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) {
29 _pc_offset = pc_offset;
30 _scope_decode_offset = scope_decode_offset;
31 _obj_decode_offset = obj_decode_offset;
32 }
33
34 address PcDesc::real_pc(const nmethod* code) const {
35 return code->instructions_begin() + pc_offset();
36 }
37
38 void PcDesc::print(nmethod* code) {
39 #ifndef PRODUCT
40 ResourceMark rm;
41 tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset());
42
43 if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
44 return;
45 }
46
47 for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
48 sd != NULL;
49 sd = sd->sender()) {
50 tty->print(" ");
51 sd->method()->print_short_name(tty);
52 tty->print(" @%d", sd->bci());
53 tty->cr();
54 }
55 #endif
56 }
57
58 bool PcDesc::verify(nmethod* code) {
59 //Unimplemented();
60 return true;
61 }