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6902182: 4/4 Starting with jdwp agent should not incur performance penalty

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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
This commit is contained in:
Tom Deneau 2010-02-01 17:35:05 -07:00 • committed by Daniel D. Daugherty
parent 679f958f72
commit f23b68b367
19 changed files with 111 additions and 52 deletions
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8
hotspot/src/share/vm/ci/ciEnv.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1999-2010 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
@ -178,7 +178,7 @@ void ciEnv::cache_jvmti_state() {
_jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint();
_jvmti_can_examine_or_deopt_anywhere = JvmtiExport::can_examine_or_deopt_anywhere();
_jvmti_can_access_local_variables = JvmtiExport::can_access_local_variables();
_jvmti_can_post_exceptions = JvmtiExport::can_post_exceptions();
_jvmti_can_post_on_exceptions = JvmtiExport::can_post_on_exceptions();
}
// ------------------------------------------------------------------
@ -891,8 +891,8 @@ void ciEnv::register_method(ciMethod* target,
JvmtiExport::can_examine_or_deopt_anywhere()) ||
(!jvmti_can_access_local_variables() &&
JvmtiExport::can_access_local_variables()) ||
(!jvmti_can_post_exceptions() &&
JvmtiExport::can_post_exceptions()) )) {
(!jvmti_can_post_on_exceptions() &&
JvmtiExport::can_post_on_exceptions()) )) {
record_failure("Jvmti state change invalidated dependencies");
}