/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "code/debugInfoRec.hpp"

#include "code/nmethod.hpp"

#include "code/pcDesc.hpp"

#include "code/scopeDesc.hpp"

#include "memory/resourceArea.hpp"

PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {

  _pc_offset           = pc_offset;

  _scope_decode_offset = scope_decode_offset;

  _obj_decode_offset   = obj_decode_offset;

  _flags               = 0;

}

address PcDesc::real_pc(const nmethod* code) const {

  return code->code_begin() + pc_offset();

}

void PcDesc::print(nmethod* code) {

#ifndef PRODUCT

  ResourceMark rm;

  tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);

  if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {

    return;

  }

  for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));

       sd != NULL;

       sd = sd->sender()) {

    tty->print("  ");

    sd->method()->print_short_name(tty);

    tty->print("  @%d", sd->bci());

    if (sd->should_reexecute())

      tty->print("  reexecute=true");

    tty->cr();

  }

#endif

}

bool PcDesc::verify(nmethod* code) {

  //Unimplemented();

  return true;

}