src/share/vm/code/pcDesc.cpp

Fri, 28 Sep 2012 10:16:29 -0700

author
kvn
date
Fri, 28 Sep 2012 10:16:29 -0700
changeset 4117
f2e12eb74117
parent 3108
7588156f5cf9
child 6680
78bbf4d43a14
permissions
-rw-r--r--

Merge

duke@435 1 /*
trims@1907 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "code/debugInfoRec.hpp"
stefank@2314 27 #include "code/nmethod.hpp"
stefank@2314 28 #include "code/pcDesc.hpp"
stefank@2314 29 #include "code/scopeDesc.hpp"
stefank@2314 30 #include "memory/resourceArea.hpp"
duke@435 31
duke@435 32 PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
duke@435 33 _pc_offset = pc_offset;
duke@435 34 _scope_decode_offset = scope_decode_offset;
duke@435 35 _obj_decode_offset = obj_decode_offset;
never@3108 36 _flags = 0;
duke@435 37 }
duke@435 38
duke@435 39 address PcDesc::real_pc(const nmethod* code) const {
twisti@2103 40 return code->code_begin() + pc_offset();
duke@435 41 }
duke@435 42
duke@435 43 void PcDesc::print(nmethod* code) {
duke@435 44 #ifndef PRODUCT
duke@435 45 ResourceMark rm;
never@3108 46 tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);
duke@435 47
duke@435 48 if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
duke@435 49 return;
duke@435 50 }
duke@435 51
duke@435 52 for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
duke@435 53 sd != NULL;
duke@435 54 sd = sd->sender()) {
duke@435 55 tty->print(" ");
duke@435 56 sd->method()->print_short_name(tty);
duke@435 57 tty->print(" @%d", sd->bci());
kvn@1687 58 if (sd->should_reexecute())
kvn@1687 59 tty->print(" reexecute=true");
duke@435 60 tty->cr();
duke@435 61 }
duke@435 62 #endif
duke@435 63 }
duke@435 64
duke@435 65 bool PcDesc::verify(nmethod* code) {
duke@435 66 //Unimplemented();
duke@435 67 return true;
duke@435 68 }

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