Mercurial > hg > truffle

comparison src/share/vm/opto/parse2.cpp @ 1213:6deeaebad47a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
comparison
equal deleted inserted replaced
1196:f3345b7b01b4 1213:6deeaebad47a
1 /* 1 /*
2 * Copyright 1998-2009 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1998-2010 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
2077 2077
2078 case Bytecodes::_athrow: 2078 case Bytecodes::_athrow:
2079 // null exception oop throws NULL pointer exception 2079 // null exception oop throws NULL pointer exception
2080 do_null_check(peek(), T_OBJECT); 2080 do_null_check(peek(), T_OBJECT);
2081 if (stopped()) return; 2081 if (stopped()) return;
2082 if (env()->jvmti_can_post_exceptions()) {
2083 // "Full-speed throwing" is not necessary here,
2084 // since we're notifying the VM on every throw.
2085 uncommon_trap(Deoptimization::Reason_unhandled,
2086 Deoptimization::Action_none);
2087 return;
2088 }
2089 // Hook the thrown exception directly to subsequent handlers. 2082 // Hook the thrown exception directly to subsequent handlers.
2090 if (BailoutToInterpreterForThrows) { 2083 if (BailoutToInterpreterForThrows) {
2091 // Keep method interpreted from now on. 2084 // Keep method interpreted from now on.
2092 uncommon_trap(Deoptimization::Reason_unhandled, 2085 uncommon_trap(Deoptimization::Reason_unhandled,
2093 Deoptimization::Action_make_not_compilable); 2086 Deoptimization::Action_make_not_compilable);
2094 return; 2087 return;
2095 } 2088 }
2089 if (env()->jvmti_can_post_on_exceptions()) {
2090 // check if we must post exception events, take uncommon trap if so (with must_throw = false)
2091 uncommon_trap_if_should_post_on_exceptions(Deoptimization::Reason_unhandled, false);
2092 }
2093 // Here if either can_post_on_exceptions or should_post_on_exceptions is false
2096 add_exception_state(make_exception_state(peek())); 2094 add_exception_state(make_exception_state(peek()));
2097 break; 2095 break;
2098 2096
2099 case Bytecodes::_goto: // fall through 2097 case Bytecodes::_goto: // fall through
2100 case Bytecodes::_goto_w: { 2098 case Bytecodes::_goto_w: {