1 /*
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "code/debugInfoRec.hpp"
27 #include "code/nmethod.hpp"
28 #include "code/pcDesc.hpp"
29 #include "code/scopeDesc.hpp"
30 #include "memory/resourceArea.hpp"
31
32 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
33
PcDesc(int pc_offset,int scope_decode_offset,int obj_decode_offset)34 PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
35 _pc_offset = pc_offset;
36 _scope_decode_offset = scope_decode_offset;
37 _obj_decode_offset = obj_decode_offset;
38 _flags = 0;
39 }
40
real_pc(const nmethod * code) const41 address PcDesc::real_pc(const nmethod* code) const {
42 return code->code_begin() + pc_offset();
43 }
44
print(nmethod * code)45 void PcDesc::print(nmethod* code) {
46 #ifndef PRODUCT
47 ResourceMark rm;
48 tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);
49
50 if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
51 return;
52 }
53
54 for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
55 sd != NULL;
56 sd = sd->sender()) {
57 tty->print(" ");
58 sd->method()->print_short_name(tty);
59 tty->print(" @%d", sd->bci());
60 if (sd->should_reexecute())
61 tty->print(" reexecute=true");
62 tty->cr();
63 }
64 #endif
65 }
66
verify(nmethod * code)67 bool PcDesc::verify(nmethod* code) {
68 //Unimplemented();
69 return true;
70 }
71