1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/code/pcDesc.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,70 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "code/debugInfoRec.hpp"
1.30 +#include "code/nmethod.hpp"
1.31 +#include "code/pcDesc.hpp"
1.32 +#include "code/scopeDesc.hpp"
1.33 +#include "memory/resourceArea.hpp"
1.34 +
1.35 +PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
1.36 +
1.37 +PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
1.38 + _pc_offset = pc_offset;
1.39 + _scope_decode_offset = scope_decode_offset;
1.40 + _obj_decode_offset = obj_decode_offset;
1.41 + _flags = 0;
1.42 +}
1.43 +
1.44 +address PcDesc::real_pc(const nmethod* code) const {
1.45 + return code->code_begin() + pc_offset();
1.46 +}
1.47 +
1.48 +void PcDesc::print(nmethod* code) {
1.49 +#ifndef PRODUCT
1.50 + ResourceMark rm;
1.51 + tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);
1.52 +
1.53 + if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
1.54 + return;
1.55 + }
1.56 +
1.57 + for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
1.58 + sd != NULL;
1.59 + sd = sd->sender()) {
1.60 + tty->print(" ");
1.61 + sd->method()->print_short_name(tty);
1.62 + tty->print(" @%d", sd->bci());
1.63 + if (sd->should_reexecute())
1.64 + tty->print(" reexecute=true");
1.65 + tty->cr();
1.66 + }
1.67 +#endif
1.68 +}
1.69 +
1.70 +bool PcDesc::verify(nmethod* code) {
1.71 + //Unimplemented();
1.72 + return true;
1.73 +}
