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8357911: JFR: Fix subtle xor method tagging bug

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Reviewed-by: egahlin
This commit is contained in:
Markus Grönlund 2025-05-28 13:51:40 +00:00
parent 016cc4f333
commit 1a65719ab3
2 changed files with 6 additions and 3 deletions
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6
src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeSetUtils.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2017, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2017, 2025, 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
@ -112,7 +112,9 @@ class ClearArtifact<const Method*> {
assert(METHOD_IS_NOT_LEAKP(method), "invariant");
assert(METHOD_IS_NOT_TRANSIENT(method), "invariant");
SET_PREVIOUS_EPOCH_METHOD_CLEARED_BIT(method);
CLEAR_PREVIOUS_EPOCH_METHOD_FLAG(method);
if (METHOD_FLAG_USED_PREVIOUS_EPOCH_BIT(method)) {
CLEAR_PREVIOUS_EPOCH_METHOD_FLAG(method);
}
assert(IS_THIS_EPOCH_METHOD_CLEARED_BIT_SET(method), "invariant");
assert(IS_PREVIOUS_EPOCH_METHOD_CLEARED_BIT_SET(method), "invariant");
return true;

3
src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceIdMacros.hpp
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016, 2025, 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
@ -104,6 +104,7 @@
#define METHOD_FLAG_USED_THIS_EPOCH(method) (METHOD_FLAG_PREDICATE(method, (TRANSIENT_BIT | THIS_EPOCH_BIT)))
#define METHOD_FLAG_NOT_USED_THIS_EPOCH(method) (!(METHOD_FLAG_USED_THIS_EPOCH(method)))
#define METHOD_FLAG_USED_PREVIOUS_EPOCH(method) (METHOD_FLAG_PREDICATE(method, (TRANSIENT_BIT | PREVIOUS_EPOCH_BIT)))
#define METHOD_FLAG_USED_PREVIOUS_EPOCH_BIT(method) (METHOD_FLAG_PREDICATE(method, (PREVIOUS_EPOCH_BIT)))
#define METHOD_FLAG_NOT_USED_PREVIOUS_EPOCH(method) (!(METHOD_FLAG_USED_PREVIOUS_EPOCH(method)))
#define IS_METHOD_BLESSED(method) (METHOD_FLAG_PREDICATE(method, BLESSED_METHOD_BIT))