/*
* Copyright ( c ) 2021 , 2022 , 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 "runtime/stackFrameStream.inline.hpp"
#include "utilities/debug.hpp"
StackFrameStream::StackFrameStream(JavaThread *thread, bool update, bool process_frames, bool allow_missing_reg)
: _reg_map(thread,
update ? RegisterMap::UpdateMap::include : RegisterMap::UpdateMap::skip,
process_frames ? RegisterMap::ProcessFrames::include : RegisterMap::ProcessFrames::skip,
RegisterMap::WalkContinuation::skip) {
assert(thread->has_last_Java_frame(), "sanity check" );
_fr = thread->last_frame();
_is_done = false ;
#ifndef PRODUCT
if (allow_missing_reg) {
_reg_map.set_skip_missing(true );
}
#endif
}
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