/*
* Copyright ( c ) 1997 , 2019 , Oracle and / or its affiliates . All rights reserved .
* 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 CompiledMethod* code) const {
return code->code_begin() + pc_offset();
}
void PcDesc::print_on(outputStream* st, CompiledMethod* code) {
#ifndef PRODUCT
ResourceMark rm;
st->print_cr("PcDesc(pc=" PTR_FORMAT " offset=%x bits=%x):" , p2i(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()) {
sd->print_on(st);
}
#endif
}
bool PcDesc::verify(CompiledMethod* code) {
//Unimplemented();
return true ;
}
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