Mercurial > hg > truffle
diff src/share/vm/opto/parse2.cpp @ 1213:6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
Summary: Rename can_post_exceptions support to can_post_on_exceptions. Add support for should_post_on_exceptions flag to permit per JavaThread optimizations.
Reviewed-by: never, kvn, dcubed
Contributed-by: tom.deneau@amd.com
| author | dcubed |
|---|---|
| date | Mon, 01 Feb 2010 17:35:05 -0700 |
| parents | b2b6a9bf6238 |
| children | c18cbe5936b8 ab102d5d923e |
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--- a/src/share/vm/opto/parse2.cpp Wed Jan 27 22:38:37 2010 -0800 +++ b/src/share/vm/opto/parse2.cpp Mon Feb 01 17:35:05 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 1998-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 1998-2010 Sun Microsystems, Inc. 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 @@ -2079,13 +2079,6 @@ // null exception oop throws NULL pointer exception do_null_check(peek(), T_OBJECT); if (stopped()) return; - if (env()->jvmti_can_post_exceptions()) { - // "Full-speed throwing" is not necessary here, - // since we're notifying the VM on every throw. - uncommon_trap(Deoptimization::Reason_unhandled, - Deoptimization::Action_none); - return; - } // Hook the thrown exception directly to subsequent handlers. if (BailoutToInterpreterForThrows) { // Keep method interpreted from now on. @@ -2093,6 +2086,11 @@ Deoptimization::Action_make_not_compilable); return; } + if (env()->jvmti_can_post_on_exceptions()) { + // check if we must post exception events, take uncommon trap if so (with must_throw = false) + uncommon_trap_if_should_post_on_exceptions(Deoptimization::Reason_unhandled, false); + } + // Here if either can_post_on_exceptions or should_post_on_exceptions is false add_exception_state(make_exception_state(peek())); break;