diff -r 6a4902a969d3 -r b495d1cfe673 hotspot/src/share/vm/prims/jvmtiRedefineClassesTrace.hpp --- a/hotspot/src/share/vm/prims/jvmtiRedefineClassesTrace.hpp Mon May 09 17:36:13 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,138 +0,0 @@ -/* - * Copyright (c) 2003, 2013, 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. - * - */ - -#ifndef SHARE_VM_PRIMS_JVMTIREDEFINECLASSESTRACE_HPP -#define SHARE_VM_PRIMS_JVMTIREDEFINECLASSESTRACE_HPP - -// RedefineClasses tracing support via the TraceRedefineClasses -// option. A bit is assigned to each group of trace messages. -// Groups of messages are individually selectable. We have to use -// decimal values on the command line since the command option -// parsing logic doesn't like non-decimal numerics. The HEX values -// are used in the actual RC_TRACE() calls for sanity. To achieve -// the old cumulative behavior, pick the level after the one in -// which you are interested and subtract one, e.g., 33554431 will -// print every tracing message. -// -// 0x00000000 | 0 - default; no tracing messages -// 0x00000001 | 1 - name each target class before loading, after -// loading and after redefinition is completed -// 0x00000002 | 2 - print info if parsing, linking or -// verification throws an exception -// 0x00000004 | 4 - print timer info for the VM operation -// 0x00000008 | 8 - print subclass counter updates -// 0x00000010 | 16 - unused -// 0x00000020 | 32 - unused -// 0x00000040 | 64 - unused -// 0x00000080 | 128 - unused -// 0x00000100 | 256 - previous class weak reference addition -// 0x00000200 | 512 - previous class weak reference mgmt during -// class unloading checks (GC) -// 0x00000400 | 1024 - previous class weak reference mgmt during -// add previous ops (GC) -// 0x00000800 | 2048 - previous class breakpoint mgmt -// 0x00001000 | 4096 - detect calls to obsolete methods -// 0x00002000 | 8192 - fail a guarantee() in addition to detection -// 0x00004000 | 16384 - detect old/obsolete methods in metadata -// 0x00008000 | 32768 - old/new method matching/add/delete -// 0x00010000 | 65536 - impl details: CP size info -// 0x00020000 | 131072 - impl details: CP merge pass info -// 0x00040000 | 262144 - impl details: CP index maps -// 0x00080000 | 524288 - impl details: modified CP index values -// 0x00100000 | 1048576 - impl details: vtable updates -// 0x00200000 | 2097152 - impl details: itable updates -// 0x00400000 | 4194304 - impl details: constant pool cache updates -// 0x00800000 | 8388608 - impl details: methodComparator info -// 0x01000000 | 16777216 - impl details: nmethod evolution info -// 0x02000000 | 33554432 - impl details: annotation updates -// 0x04000000 | 67108864 - impl details: StackMapTable updates -// 0x08000000 | 134217728 - impl details: OopMapCache updates -// 0x10000000 | 268435456 - unused -// 0x20000000 | 536870912 - unused -// 0x40000000 | 1073741824 - unused -// 0x80000000 | 2147483648 - unused - -// Macro for checking if TraceRedefineClasses has a specific bit -// enabled. Returns true if the bit specified by level is set. -#define RC_TRACE_ENABLED(level) ((TraceRedefineClasses & level) != 0) - -// Macro for checking if TraceRedefineClasses has one or more bits -// set in a range of bit values. Returns true if one or more bits -// is set in the range from low..high inclusive. Assumes that low -// and high are single bit values. -// -// ((high << 1) - 1) -// Yields a mask that removes bits greater than the high bit value. -// This algorithm doesn't work with highest bit. -// ~(low - 1) -// Yields a mask that removes bits lower than the low bit value. -#define RC_TRACE_IN_RANGE(low, high) \ -(((TraceRedefineClasses & ((high << 1) - 1)) & ~(low - 1)) != 0) - -// Note: The ResourceMark is to cleanup resource allocated args. -// The "do {...} while (0)" is so we can use semi-colon at end of RC_TRACE(). -#define RC_TRACE(level, args) do { \ - if (RC_TRACE_ENABLED(level)) { \ - ResourceMark rm; \ - tty->print("RedefineClasses-0x%x: ", level); \ - tty->print_cr args; \ - } \ -} while (0) - -#define RC_TRACE_NO_CR(level, args) do { \ - if (RC_TRACE_ENABLED(level)) { \ - ResourceMark rm; \ - tty->print("RedefineClasses-0x%x: ", level); \ - tty->print args; \ - } \ -} while (0) - -#define RC_TRACE_WITH_THREAD(level, thread, args) do { \ - if (RC_TRACE_ENABLED(level)) { \ - ResourceMark rm(thread); \ - tty->print("RedefineClasses-0x%x: ", level); \ - tty->print_cr args; \ - } \ -} while (0) - -#define RC_TRACE_MESG(args) do { \ - ResourceMark rm; \ - tty->print("RedefineClasses: "); \ - tty->print_cr args; \ -} while (0) - -// Timer support macros. Only do timer operations if timer tracing is enabled. -// The "do {...} while (0)" is so we can use semi-colon at end of the macro. -#define RC_TIMER_START(t) do { \ - if (RC_TRACE_ENABLED(0x00000004)) { \ - t.start(); \ - } \ -} while (0) -#define RC_TIMER_STOP(t) do { \ - if (RC_TRACE_ENABLED(0x00000004)) { \ - t.stop(); \ - } \ -} while (0) - -#endif // SHARE_VM_PRIMS_JVMTIREDEFINECLASSESTRACE_HPP