duke@435: /*
trims@1907:  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "code/debugInfoRec.hpp"
stefank@2314: #include "code/nmethod.hpp"
stefank@2314: #include "code/pcDesc.hpp"
stefank@2314: #include "code/scopeDesc.hpp"
stefank@2314: #include "memory/resourceArea.hpp"
duke@435: 
duke@435: PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
duke@435:   _pc_offset           = pc_offset;
duke@435:   _scope_decode_offset = scope_decode_offset;
duke@435:   _obj_decode_offset   = obj_decode_offset;
never@3108:   _flags               = 0;
duke@435: }
duke@435: 
duke@435: address PcDesc::real_pc(const nmethod* code) const {
twisti@2103:   return code->code_begin() + pc_offset();
duke@435: }
duke@435: 
duke@435: void PcDesc::print(nmethod* code) {
duke@435: #ifndef PRODUCT
duke@435:   ResourceMark rm;
never@3108:   tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);
duke@435: 
duke@435:   if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
duke@435:     return;
duke@435:   }
duke@435: 
duke@435:   for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
duke@435:        sd != NULL;
duke@435:        sd = sd->sender()) {
duke@435:     tty->print("  ");
duke@435:     sd->method()->print_short_name(tty);
duke@435:     tty->print("  @%d", sd->bci());
kvn@1687:     if (sd->should_reexecute())
kvn@1687:       tty->print("  reexecute=true");
duke@435:     tty->cr();
duke@435:   }
duke@435: #endif
duke@435: }
duke@435: 
duke@435: bool PcDesc::verify(nmethod* code) {
duke@435:   //Unimplemented();
duke@435:   return true;
duke@435: }