mirror of
https://github.com/openjdk/jdk.git
synced 2026-07-23 01:18:58 +00:00
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2020, 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 "jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp"
|
|
#include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdMacros.hpp"
|
|
#include "jfr/support/jfrMethodLookup.hpp"
|
|
#include "oops/instanceKlass.inline.hpp"
|
|
#include "oops/method.inline.hpp"
|
|
|
|
// The InstanceKlass is assumed to be the method holder for the method to be looked up.
|
|
static const Method* lookup_method(InstanceKlass* ik, int orig_method_id_num) {
|
|
assert(ik != NULL, "invariant");
|
|
assert(orig_method_id_num >= 0, "invariant");
|
|
assert(orig_method_id_num < ik->methods()->length(), "invariant");
|
|
const Method* const m = ik->method_with_orig_idnum(orig_method_id_num);
|
|
assert(m != NULL, "invariant");
|
|
assert(m->orig_method_idnum() == orig_method_id_num, "invariant");
|
|
assert(!m->is_obsolete(), "invariant");
|
|
assert(ik == m->method_holder(), "invariant");
|
|
return m;
|
|
}
|
|
|
|
const Method* JfrMethodLookup::lookup(const InstanceKlass* ik, traceid method_id) {
|
|
assert(ik != NULL, "invariant");
|
|
return lookup_method(const_cast<InstanceKlass*>(ik), method_id_num(method_id));
|
|
}
|
|
|
|
int JfrMethodLookup::method_id_num(traceid method_id) {
|
|
return (int)(method_id & METHOD_ID_NUM_MASK);
|
|
}
|
|
|
|
traceid JfrMethodLookup::method_id(const Method* method) {
|
|
assert(method != NULL, "invariant");
|
|
return METHOD_ID(method->method_holder(), method);
|
|
}
|
|
|
|
traceid JfrMethodLookup::klass_id(traceid method_id) {
|
|
return method_id >> TRACE_ID_SHIFT;
|
|
}
|
|
|
|
traceid JfrMethodLookup::klass_id(const Method* method) {
|
|
return klass_id(method_id(method));
|
|
}
|