/* * Copyright (c) 2016, 2018, 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_JFR_CHECKPOINT_TYPES_TRACEID_JFRTRACEIDMACROS_HPP #define SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTRACEIDMACROS_HPP #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdBits.inline.hpp" #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp" #include "jfr/support/jfrKlassExtension.hpp" #include "utilities/globalDefinitions.hpp" /** * * If a traceid is used, depending on epoch, either the first or the second bit is tagged. * If a class member (method) is used, either the third or fourth bit is tagged. * Which bit to set is a function of the epoch. This allows for concurrent tagging. * * LeakProfiler subsystem gets its own byte and uses the same tagging scheme but is shifted up 8. * * We also tag the individual method by using the TraceFlag field, * (see jfr/support/jfrTraceIdExtension.hpp for details) * */ // these are defined in jfr/support/jfrKlassExtension.hpp // // #define JDK_JFR_EVENT_SUBKLASS 16 // #define JDK_JFR_EVENT_KLASS 32 // #define EVENT_HOST_KLASS 64 #define IS_JDK_JFR_EVENT_SUBKLASS(ptr) (((ptr)->trace_id() & (JDK_JFR_EVENT_SUBKLASS)) != 0) #define ANY_USED_BITS (USED_EPOCH_2_BIT | \ USED_EPOCH_1_BIT | \ METHOD_USED_EPOCH_2_BIT | \ METHOD_USED_EPOCH_1_BIT | \ LEAKP_USED_EPOCH_2_BIT | \ LEAKP_USED_EPOCH_1_BIT) #define TRACE_ID_META_BITS (EVENT_HOST_KLASS | JDK_JFR_EVENT_KLASS | JDK_JFR_EVENT_SUBKLASS | ANY_USED_BITS) #define ANY_EVENT (EVENT_HOST_KLASS | JDK_JFR_EVENT_KLASS | JDK_JFR_EVENT_SUBKLASS) #define IS_JDK_JFR_EVENT_KLASS(ptr) (((ptr)->trace_id() & JDK_JFR_EVENT_KLASS) != 0) #define IS_EVENT_HOST_KLASS(ptr) (((ptr)->trace_id() & EVENT_HOST_KLASS) != 0) #define IS_NOT_AN_EVENT_KLASS(ptr) (!IS_EVENT_KLASS(ptr)) #define IS_NOT_AN_EVENT_SUB_KLASS(ptr) (!IS_JDK_JFR_EVENT_SUBKLASS(ptr)) #define IS_NOT_JDK_JFR_EVENT_KLASS(ptr) (!IS_JDK_JFR_EVENT_KLASS(ptr)) #define EVENT_FLAGS_MASK(ptr) (((ptr)->trace_id() & ANY_EVENT) != 0) #define UNEVENT(ptr) ((ptr)->set_trace_id(((ptr)->trace_id()) & ~ANY_EVENT)) #define TRACE_ID_SHIFT 16 #define TRACE_ID_MASKED(id) (id & ~TRACE_ID_META_BITS) #define TRACE_ID_VALUE(id) (TRACE_ID_MASKED(id) >> TRACE_ID_SHIFT) #define TRACE_ID_MASKED_PTR(ptr) (TRACE_ID_MASKED((ptr)->trace_id())) #define TRACE_ID_RAW(ptr) ((ptr)->trace_id()) #define TRACE_ID(ptr) (TRACE_ID_MASKED_PTR(ptr) >> TRACE_ID_SHIFT) #define METHOD_ID(kls, meth) (TRACE_ID_MASKED_PTR(kls) | (meth)->method_idnum()) #define SET_TAG(ptr, tag) (set_traceid_bits(tag, (ptr)->trace_id_addr())) #define SET_LEAKP_TAG(ptr, tag) (set_leakp_traceid_bits(tag, (ptr)->trace_id_addr())) #define SET_TAG_CAS(ptr, tag) (set_traceid_bits_cas(tag, (ptr)->trace_id_addr())) #define SET_LEAKP_TAG_CAS(ptr, tag) (set_leakp_traceid_bits_cas(tag, (ptr)->trace_id_addr())) #define IN_USE_THIS_EPOCH_BIT (JfrTraceIdEpoch::in_use_this_epoch_bit()) #define IN_USE_PREV_EPOCH_BIT (JfrTraceIdEpoch::in_use_prev_epoch_bit()) #define LEAKP_IN_USE_THIS_EPOCH_BIT (JfrTraceIdEpoch::leakp_in_use_this_epoch_bit()) #define LEAKP_IN_USE_PREV_EPOCH_BIT (JfrTraceIdEpoch::leakp_in_use_prev_epoch_bit()) #define METHOD_IN_USE_THIS_EPOCH_BIT (JfrTraceIdEpoch::method_in_use_this_epoch_bit()) #define METHOD_IN_USE_PREV_EPOCH_BIT (JfrTraceIdEpoch::method_in_use_prev_epoch_bit()) #define METHOD_AND_CLASS_IN_USE_THIS_EPOCH_BITS (JfrTraceIdEpoch::method_and_class_in_use_this_epoch_bits()) #define METHOD_AND_CLASS_IN_USE_PREV_EPOCH_BITS (JfrTraceIdEpoch::method_and_class_in_use_prev_epoch_bits()) #define UNUSE_THIS_EPOCH_MASK (~(IN_USE_THIS_EPOCH_BIT)) #define UNUSE_PREV_EPOCH_MASK (~(IN_USE_PREV_EPOCH_BIT)) #define LEAKP_UNUSE_THIS_EPOCH_MASK UNUSE_THIS_EPOCH_MASK #define LEAKP_UNUSE_PREV_EPOCH_MASK UNUSE_PREV_EPOCH_MASK #define UNUSE_METHOD_THIS_EPOCH_MASK (~(METHOD_IN_USE_THIS_EPOCH_BIT)) #define UNUSE_METHOD_PREV_EPOCH_MASK (~(METHOD_IN_USE_PREV_EPOCH_BIT)) #define LEAKP_UNUSE_METHOD_THIS_EPOCH_MASK (~(UNUSE_METHOD_THIS_EPOCH_MASK)) #define LEAKP_UNUSE_METHOD_PREV_EPOCH_MASK (~UNUSE_METHOD_PREV_EPOCH_MASK)) #define UNUSE_METHOD_AND_CLASS_THIS_EPOCH_MASK (~(METHOD_IN_USE_THIS_EPOCH_BIT | IN_USE_THIS_EPOCH_BIT)) #define UNUSE_METHOD_AND_CLASS_PREV_EPOCH_MASK (~(METHOD_IN_USE_PREV_EPOCH_BIT | IN_USE_PREV_EPOCH_BIT)) #define SET_USED_THIS_EPOCH(ptr) (SET_TAG(ptr, IN_USE_THIS_EPOCH_BIT)) #define SET_USED_PREV_EPOCH(ptr) (SET_TAG_CAS(ptr, IN_USE_PREV_EPOCH_BIT)) #define SET_LEAKP_USED_THIS_EPOCH(ptr) (SET_LEAKP_TAG(ptr, IN_USE_THIS_EPOCH_BIT)) #define SET_LEAKP_USED_PREV_EPOCH(ptr) (SET_LEAKP_TAG(ptr, IN_USE_PREV_EPOCH_BIT)) #define SET_METHOD_AND_CLASS_USED_THIS_EPOCH(kls) (SET_TAG(kls, METHOD_AND_CLASS_IN_USE_THIS_EPOCH_BITS)) #define USED_THIS_EPOCH(ptr) (((ptr)->trace_id() & IN_USE_THIS_EPOCH_BIT) != 0) #define NOT_USED_THIS_EPOCH(ptr) (!USED_THIS_EPOCH(ptr)) #define USED_PREV_EPOCH(ptr) (((ptr)->trace_id() & IN_USE_PREV_EPOCH_BIT) != 0) #define NOT_USED_PREV_EPOCH(ptr) (!USED_PREV_EPOCH(ptr)) #define USED_ANY_EPOCH(ptr) (((ptr)->trace_id() & (USED_EPOCH_2_BIT | USED_EPOCH_1_BIT)) != 0) #define NOT_USED_ANY_EPOCH(ptr) (!USED_ANY_EPOCH(ptr)) #define LEAKP_USED_THIS_EPOCH(ptr) (((ptr)->trace_id() & LEAKP_IN_USE_THIS_EPOCH_BIT) != 0) #define LEAKP_NOT_USED_THIS_EPOCH(ptr) (!LEAKP_USED_THIS_EPOCH(ptr)) #define LEAKP_USED_PREV_EPOCH(ptr) (((ptr)->trace_id() & LEAKP_IN_USE_PREV_EPOCH_BIT) != 0) #define LEAKP_NOT_USED_PREV_EPOCH(ptr) (!LEAKP_USED_PREV_EPOCH(ptr)) #define LEAKP_USED_ANY_EPOCH(ptr) (((ptr)->trace_id() & (LEAKP_USED_EPOCH_2_BIT | LEAKP_USED_EPOCH_1_BIT)) != 0) #define LEAKP_NOT_USED_ANY_EPOCH(ptr) (!LEAKP_USED_ANY_EPOCH(ptr)) #define ANY_USED_THIS_EPOCH(ptr) (((ptr)->trace_id() & (LEAKP_IN_USE_THIS_EPOCH_BIT | IN_USE_THIS_EPOCH_BIT)) != 0) #define ANY_NOT_USED_THIS_EPOCH(ptr) (!ANY_USED_THIS_EPOCH(ptr)) #define ANY_USED_PREV_EPOCH(ptr) (((ptr)->trace_id() & (LEAKP_IN_USE_PREV_EPOCH_BIT | IN_USE_PREV_EPOCH_BIT)) != 0) #define ANY_NOT_USED_PREV_EPOCH(ptr) (!ANY_USED_PREV_EPOCH(ptr)) #define METHOD_USED_THIS_EPOCH(kls) (((kls)->trace_id() & METHOD_IN_USE_THIS_EPOCH_BIT) != 0) #define METHOD_NOT_USED_THIS_EPOCH(kls) (!METHOD_USED_THIS_EPOCH(kls)) #define METHOD_USED_PREV_EPOCH(kls) (((kls)->trace_id() & METHOD_IN_USE_PREV_EPOCH_BIT) != 0) #define METHOD_NOT_USED_PREV_EPOCH(kls) (!METHOD_USED_PREV_EPOCH(kls)) #define METHOD_USED_ANY_EPOCH(kls) (((kls)->trace_id() & (METHOD_IN_USE_PREV_EPOCH_BIT | METHOD_IN_USE_THIS_EPOCH_BIT)) != 0) #define METHOD_NOT_USED_ANY_EPOCH(kls) (!METHOD_USED_ANY_EPOCH(kls)) #define METHOD_AND_CLASS_USED_THIS_EPOCH(kls) ((((kls)->trace_id() & METHOD_AND_CLASS_IN_USE_THIS_EPOCH_BITS) == \ METHOD_AND_CLASS_IN_USE_THIS_EPOCH_BITS) != 0) #define METHOD_AND_CLASS_USED_PREV_EPOCH(kls) ((((kls)->trace_id() & METHOD_AND_CLASS_IN_USE_PREV_EPOCH_BITS) == \ METHOD_AND_CLASS_IN_USE_PREV_EPOCH_BITS) != 0) #define METHOD_AND_CLASS_USED_ANY_EPOCH(kls) ((METHOD_USED_ANY_EPOCH(kls) && USED_ANY_EPOCH(kls)) != 0) #define METHOD_AND_CLASS_NOT_USED_ANY_EPOCH(kls) (!METHOD_AND_CLASS_USED_ANY_EPOCH(kls)) #define LEAKP_METHOD_IN_USE_THIS_EPOCH (LEAKP_IN_USE_THIS_EPOCH_BIT | METHOD_IN_USE_THIS_EPOCH_BIT) #define LEAKP_METHOD_IN_USE_PREV_EPOCH (LEAKP_IN_USE_PREV_EPOCH_BIT | METHOD_IN_USE_PREV_EPOCH_BIT) #define LEAKP_METHOD_USED_THIS_EPOCH(ptr) ((((ptr)->trace_id() & LEAKP_METHOD_IN_USE_THIS_EPOCH) == \ LEAKP_METHOD_IN_USE_THIS_EPOCH) != 0) #define LEAKP_METHOD_NOT_USED_THIS_EPOCH(kls) (!LEAKP_METHOD_USED_THIS_EPOCH(kls)) #define LEAKP_METHOD_USED_PREV_EPOCH(ptr) ((((ptr)->trace_id() & LEAKP_METHOD_IN_USE_PREV_EPOCH) == \ LEAKP_METHOD_IN_USE_PREV_EPOCH) != 0) #define LEAKP_METHOD_NOT_USED_PREV_EPOCH(kls) (!LEAKP_METHOD_USED_PREV_EPOCH(kls)) #define UNUSE_THIS_EPOCH(ptr) (set_traceid_mask(UNUSE_THIS_EPOCH_MASK, (ptr)->trace_id_addr())) #define UNUSE_PREV_EPOCH(ptr) (set_traceid_mask(UNUSE_PREV_EPOCH_MASK, (ptr)->trace_id_addr())) #define UNUSE_METHOD_THIS_EPOCH(kls) (set_traceid_mask(UNUSE_METHOD_THIS_EPOCH_MASK, (kls)->trace_id_addr())) #define UNUSE_METHOD_PREV_EPOCH(kls) (set_traceid_mask(UNUSE_METHOD_PREV_EPOCH_MASK, (kls)->trace_id_addr())) #define LEAKP_UNUSE_THIS_EPOCH(ptr) (set_leakp_traceid_mask(UNUSE_THIS_EPOCH_MASK, (ptr)->trace_id_addr())) #define LEAKP_UNUSE_PREV_EPOCH(ptr) (set_leakp_traceid_mask(UNUSE_PREV_EPOCH_MASK, (ptr)->trace_id_addr())) #define LEAKP_UNUSE_METHOD_THIS_EPOCH(kls) (set_leakp_traceid_mask(UNUSE_METHOD_THIS_EPOCH_MASK, (kls)->trace_id_addr())) #define LEAKP_UNUSE_METHOD_PREV_EPOCH(kls) (set_leakp_traceid_mask(UNUSE_METHOD_PREV_EPOCH_MASK, (kls)->trace_id_addr())) #define ANY_USED(ptr) (((ptr)->trace_id() & ANY_USED_BITS) != 0) #define ANY_NOT_USED(ptr) (!ANY_USED(ptr)) #define UNUSE_METHOD_AND_CLASS_THIS_EPOCH(kls) (set_traceid_mask(UNUSE_METHOD_AND_CLASS_THIS_EPOCH_MASK, (kls)->trace_id_addr())) #define LEAKP_UNUSE_METHOD_AND_CLASS_THIS_EPOCH(kls) (set_leakp_traceid_mask(UNUSE_METHOD_AND_CLASS_THIS_EPOCH_MASK, (kls)->trace_id_addr())) #define UNUSE_METHOD_AND_CLASS_PREV_EPOCH(kls) (set_traceid_mask(UNUSE_METHOD_AND_CLASS_PREV_EPOCH_MASK, (kls)->trace_id_addr())) #define LEAKP_UNUSE_METHODS_AND_CLASS_PREV_EPOCH(kls) (set_leakp_traceid_mask(UNUSE_METHOD_AND_CLASS_PREV_EPOCH_MASK, (kls)->trace_id_addr())) #define METHOD_FLAG_USED_THIS_EPOCH(m) ((m)->is_trace_flag_set((jbyte)JfrTraceIdEpoch::in_use_this_epoch_bit())) #define METHOD_FLAG_NOT_USED_THIS_EPOCH(m) (!METHOD_FLAG_USED_THIS_EPOCH(m)) #define SET_METHOD_FLAG_USED_THIS_EPOCH(m) ((m)->set_trace_flag((jbyte)JfrTraceIdEpoch::in_use_this_epoch_bit())) #define METHOD_FLAG_USED_PREV_EPOCH(m) ((m)->is_trace_flag_set((jbyte)JfrTraceIdEpoch::in_use_prev_epoch_bit())) #define METHOD_FLAG_NOT_USED_PREV_EPOCH(m) (!METHOD_FLAG_USED_PREV_EPOCH(m)) #define METHOD_FLAG_USED_ANY_EPOCH(m) ((METHOD_FLAG_USED_THIS_EPOCH(m) || METHOD_FLAG_USED_PREV_EPOCH(m)) != 0) #define METHOD_FLAG_NOT_USED_ANY_EPOCH(m) ((METHOD_FLAG_NOT_USED_THIS_EPOCH(m) && METHOD_FLAG_NOT_USED_PREV_EPOCH(m)) != 0) #define CLEAR_METHOD_FLAG_USED_THIS_EPOCH(m) (clear_bits_cas((jbyte)JfrTraceIdEpoch::in_use_this_epoch_bit(), (m)->trace_flags_addr())) #define CLEAR_METHOD_FLAG_USED_PREV_EPOCH(m) (clear_bits_cas((jbyte)JfrTraceIdEpoch::in_use_prev_epoch_bit(), (m)->trace_flags_addr())) #endif // SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTRACEIDMACROS_HPP