author | goetz |
Mon, 13 Jun 2016 09:28:25 +0200 | |
changeset 39390 | edf6a424a8b7 |
parent 37466 | 287c4ebd11b0 |
child 40010 | e32d5e545789 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#ifndef SHARE_VM_RUNTIME_INTERFACESUPPORT_HPP |
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#define SHARE_VM_RUNTIME_INTERFACESUPPORT_HPP |
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||
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#include "gc/shared/gcLocker.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/mutexLocker.hpp" |
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#include "runtime/orderAccess.hpp" |
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#include "runtime/os.hpp" |
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#include "runtime/safepoint.hpp" |
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#include "runtime/thread.inline.hpp" |
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#include "runtime/vmThread.hpp" |
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#include "utilities/globalDefinitions.hpp" |
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#include "utilities/preserveException.hpp" |
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// Wrapper for all entry points to the virtual machine. |
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// The HandleMarkCleaner is a faster version of HandleMark. |
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// It relies on the fact that there is a HandleMark further |
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// down the stack (in JavaCalls::call_helper), and just resets |
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// to the saved values in that HandleMark. |
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class HandleMarkCleaner: public StackObj { |
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private: |
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Thread* _thread; |
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public: |
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HandleMarkCleaner(Thread* thread) { |
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_thread = thread; |
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_thread->last_handle_mark()->push(); |
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} |
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~HandleMarkCleaner() { |
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_thread->last_handle_mark()->pop_and_restore(); |
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} |
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||
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private: |
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inline void* operator new(size_t size, void* ptr) throw() { |
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return ptr; |
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} |
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}; |
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// InterfaceSupport provides functionality used by the VM_LEAF_BASE and |
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// VM_ENTRY_BASE macros. These macros are used to guard entry points into |
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// the VM and perform checks upon leave of the VM. |
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class InterfaceSupport: AllStatic { |
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# ifdef ASSERT |
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public: |
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static long _scavenge_alot_counter; |
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static long _fullgc_alot_counter; |
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static long _number_of_calls; |
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static long _fullgc_alot_invocation; |
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// Helper methods used to implement +ScavengeALot and +FullGCALot |
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static void check_gc_alot() { if (ScavengeALot || FullGCALot) gc_alot(); } |
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static void gc_alot(); |
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static void walk_stack_from(vframe* start_vf); |
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static void walk_stack(); |
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static void zombieAll(); |
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static void unlinkSymbols(); |
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static void deoptimizeAll(); |
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static void stress_derived_pointers(); |
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static void verify_stack(); |
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static void verify_last_frame(); |
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# endif |
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public: |
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// OS dependent stuff |
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#ifdef TARGET_OS_FAMILY_linux |
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# include "interfaceSupport_linux.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_solaris |
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# include "interfaceSupport_solaris.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_windows |
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# include "interfaceSupport_windows.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_aix |
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# include "interfaceSupport_aix.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_bsd |
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# include "interfaceSupport_bsd.hpp" |
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#endif |
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}; |
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// Basic class for all thread transition classes. |
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class ThreadStateTransition : public StackObj { |
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protected: |
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JavaThread* _thread; |
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public: |
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ThreadStateTransition(JavaThread *thread) { |
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_thread = thread; |
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assert(thread != NULL && thread->is_Java_thread(), "must be Java thread"); |
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} |
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// Change threadstate in a manner, so safepoint can detect changes. |
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// Time-critical: called on exit from every runtime routine |
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static inline void transition(JavaThread *thread, JavaThreadState from, JavaThreadState to) { |
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assert(from != _thread_in_Java, "use transition_from_java"); |
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assert(from != _thread_in_native, "use transition_from_native"); |
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assert((from & 1) == 0 && (to & 1) == 0, "odd numbers are transitions states"); |
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assert(thread->thread_state() == from, "coming from wrong thread state"); |
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// Change to transition state (assumes total store ordering! -Urs) |
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thread->set_thread_state((JavaThreadState)(from + 1)); |
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// Make sure new state is seen by VM thread |
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if (os::is_MP()) { |
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if (UseMembar) { |
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// Force a fence between the write above and read below |
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OrderAccess::fence(); |
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} else { |
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// store to serialize page so VM thread can do pseudo remote membar |
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os::write_memory_serialize_page(thread); |
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} |
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} |
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if (SafepointSynchronize::do_call_back()) { |
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SafepointSynchronize::block(thread); |
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} |
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thread->set_thread_state(to); |
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CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops();) |
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} |
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// transition_and_fence must be used on any thread state transition |
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// where there might not be a Java call stub on the stack, in |
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// particular on Windows where the Structured Exception Handler is |
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// set up in the call stub. os::write_memory_serialize_page() can |
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// fault and we can't recover from it on Windows without a SEH in |
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// place. |
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static inline void transition_and_fence(JavaThread *thread, JavaThreadState from, JavaThreadState to) { |
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assert(thread->thread_state() == from, "coming from wrong thread state"); |
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assert((from & 1) == 0 && (to & 1) == 0, "odd numbers are transitions states"); |
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// Change to transition state (assumes total store ordering! -Urs) |
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thread->set_thread_state((JavaThreadState)(from + 1)); |
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// Make sure new state is seen by VM thread |
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if (os::is_MP()) { |
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if (UseMembar) { |
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// Force a fence between the write above and read below |
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OrderAccess::fence(); |
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} else { |
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// Must use this rather than serialization page in particular on Windows |
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InterfaceSupport::serialize_memory(thread); |
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} |
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} |
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if (SafepointSynchronize::do_call_back()) { |
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SafepointSynchronize::block(thread); |
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} |
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thread->set_thread_state(to); |
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CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops();) |
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} |
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// Same as above, but assumes from = _thread_in_Java. This is simpler, since we |
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// never block on entry to the VM. This will break the code, since e.g. preserve arguments |
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// have not been setup. |
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static inline void transition_from_java(JavaThread *thread, JavaThreadState to) { |
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assert(thread->thread_state() == _thread_in_Java, "coming from wrong thread state"); |
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thread->set_thread_state(to); |
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} |
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static inline void transition_from_native(JavaThread *thread, JavaThreadState to) { |
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assert((to & 1) == 0, "odd numbers are transitions states"); |
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assert(thread->thread_state() == _thread_in_native, "coming from wrong thread state"); |
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// Change to transition state (assumes total store ordering! -Urs) |
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thread->set_thread_state(_thread_in_native_trans); |
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// Make sure new state is seen by GC thread |
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if (os::is_MP()) { |
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if (UseMembar) { |
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// Force a fence between the write above and read below |
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OrderAccess::fence(); |
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} else { |
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// Must use this rather than serialization page in particular on Windows |
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InterfaceSupport::serialize_memory(thread); |
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} |
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} |
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// We never install asynchronous exceptions when coming (back) in |
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// to the runtime from native code because the runtime is not set |
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// up to handle exceptions floating around at arbitrary points. |
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211 |
if (SafepointSynchronize::do_call_back() || thread->is_suspend_after_native()) { |
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JavaThread::check_safepoint_and_suspend_for_native_trans(thread); |
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// Clear unhandled oops anywhere where we could block, even if we don't. |
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CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops();) |
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} |
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||
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thread->set_thread_state(to); |
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} |
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protected: |
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void trans(JavaThreadState from, JavaThreadState to) { transition(_thread, from, to); } |
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void trans_from_java(JavaThreadState to) { transition_from_java(_thread, to); } |
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void trans_from_native(JavaThreadState to) { transition_from_native(_thread, to); } |
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void trans_and_fence(JavaThreadState from, JavaThreadState to) { transition_and_fence(_thread, from, to); } |
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225 |
}; |
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class ThreadInVMfromJava : public ThreadStateTransition { |
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public: |
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230 |
ThreadInVMfromJava(JavaThread* thread) : ThreadStateTransition(thread) { |
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231 |
trans_from_java(_thread_in_vm); |
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232 |
} |
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~ThreadInVMfromJava() { |
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trans(_thread_in_vm, _thread_in_Java); |
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235 |
// Check for pending. async. exceptions or suspends. |
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236 |
if (_thread->has_special_runtime_exit_condition()) _thread->handle_special_runtime_exit_condition(); |
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} |
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238 |
}; |
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240 |
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class ThreadInVMfromUnknown { |
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private: |
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JavaThread* _thread; |
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public: |
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ThreadInVMfromUnknown() : _thread(NULL) { |
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246 |
Thread* t = Thread::current(); |
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247 |
if (t->is_Java_thread()) { |
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248 |
JavaThread* t2 = (JavaThread*) t; |
|
249 |
if (t2->thread_state() == _thread_in_native) { |
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250 |
_thread = t2; |
|
251 |
ThreadStateTransition::transition_from_native(t2, _thread_in_vm); |
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// Used to have a HandleMarkCleaner but that is dangerous as |
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// it could free a handle in our (indirect, nested) caller. |
|
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// We expect any handles will be short lived and figure we |
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// don't need an actual HandleMark. |
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256 |
} |
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257 |
} |
|
258 |
} |
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~ThreadInVMfromUnknown() { |
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260 |
if (_thread) { |
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261 |
ThreadStateTransition::transition_and_fence(_thread, _thread_in_vm, _thread_in_native); |
|
262 |
} |
|
263 |
} |
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264 |
}; |
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||
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||
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class ThreadInVMfromNative : public ThreadStateTransition { |
|
268 |
public: |
|
269 |
ThreadInVMfromNative(JavaThread* thread) : ThreadStateTransition(thread) { |
|
270 |
trans_from_native(_thread_in_vm); |
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271 |
} |
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~ThreadInVMfromNative() { |
|
273 |
trans_and_fence(_thread_in_vm, _thread_in_native); |
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274 |
} |
|
275 |
}; |
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277 |
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278 |
class ThreadToNativeFromVM : public ThreadStateTransition { |
|
279 |
public: |
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280 |
ThreadToNativeFromVM(JavaThread *thread) : ThreadStateTransition(thread) { |
|
281 |
// We are leaving the VM at this point and going directly to native code. |
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282 |
// Block, if we are in the middle of a safepoint synchronization. |
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283 |
assert(!thread->owns_locks(), "must release all locks when leaving VM"); |
|
284 |
thread->frame_anchor()->make_walkable(thread); |
|
285 |
trans_and_fence(_thread_in_vm, _thread_in_native); |
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286 |
// Check for pending. async. exceptions or suspends. |
|
287 |
if (_thread->has_special_runtime_exit_condition()) _thread->handle_special_runtime_exit_condition(false); |
|
288 |
} |
|
289 |
||
290 |
~ThreadToNativeFromVM() { |
|
291 |
trans_from_native(_thread_in_vm); |
|
292 |
// We don't need to clear_walkable because it will happen automagically when we return to java |
|
293 |
} |
|
294 |
}; |
|
295 |
||
296 |
||
297 |
class ThreadBlockInVM : public ThreadStateTransition { |
|
298 |
public: |
|
299 |
ThreadBlockInVM(JavaThread *thread) |
|
300 |
: ThreadStateTransition(thread) { |
|
301 |
// Once we are blocked vm expects stack to be walkable |
|
302 |
thread->frame_anchor()->make_walkable(thread); |
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303 |
trans_and_fence(_thread_in_vm, _thread_blocked); |
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304 |
} |
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305 |
~ThreadBlockInVM() { |
|
306 |
trans_and_fence(_thread_blocked, _thread_in_vm); |
|
307 |
// We don't need to clear_walkable because it will happen automagically when we return to java |
|
308 |
} |
|
309 |
}; |
|
310 |
||
311 |
||
312 |
// This special transition class is only used to prevent asynchronous exceptions |
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313 |
// from being installed on vm exit in situations where we can't tolerate them. |
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314 |
// See bugs: 4324348, 4854693, 4998314, 5040492, 5050705. |
|
315 |
class ThreadInVMfromJavaNoAsyncException : public ThreadStateTransition { |
|
316 |
public: |
|
317 |
ThreadInVMfromJavaNoAsyncException(JavaThread* thread) : ThreadStateTransition(thread) { |
|
318 |
trans_from_java(_thread_in_vm); |
|
319 |
} |
|
320 |
~ThreadInVMfromJavaNoAsyncException() { |
|
321 |
trans(_thread_in_vm, _thread_in_Java); |
|
322 |
// NOTE: We do not check for pending. async. exceptions. |
|
323 |
// If we did and moved the pending async exception over into the |
|
324 |
// pending exception field, we would need to deopt (currently C2 |
|
325 |
// only). However, to do so would require that we transition back |
|
326 |
// to the _thread_in_vm state. Instead we postpone the handling of |
|
327 |
// the async exception. |
|
328 |
||
329 |
// Check for pending. suspends only. |
|
330 |
if (_thread->has_special_runtime_exit_condition()) |
|
331 |
_thread->handle_special_runtime_exit_condition(false); |
|
332 |
} |
|
333 |
}; |
|
334 |
||
335 |
// Debug class instantiated in JRT_ENTRY and ITR_ENTRY macro. |
|
336 |
// Can be used to verify properties on enter/exit of the VM. |
|
337 |
||
338 |
#ifdef ASSERT |
|
339 |
class VMEntryWrapper { |
|
340 |
public: |
|
341 |
VMEntryWrapper() { |
|
342 |
if (VerifyLastFrame) { |
|
343 |
InterfaceSupport::verify_last_frame(); |
|
344 |
} |
|
345 |
} |
|
346 |
||
347 |
~VMEntryWrapper() { |
|
348 |
InterfaceSupport::check_gc_alot(); |
|
349 |
if (WalkStackALot) { |
|
350 |
InterfaceSupport::walk_stack(); |
|
351 |
} |
|
352 |
#ifdef COMPILER2 |
|
353 |
// This option is not used by Compiler 1 |
|
354 |
if (StressDerivedPointers) { |
|
355 |
InterfaceSupport::stress_derived_pointers(); |
|
356 |
} |
|
357 |
#endif |
|
358 |
if (DeoptimizeALot || DeoptimizeRandom) { |
|
359 |
InterfaceSupport::deoptimizeAll(); |
|
360 |
} |
|
361 |
if (ZombieALot) { |
|
362 |
InterfaceSupport::zombieAll(); |
|
363 |
} |
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if (UnlinkSymbolsALot) { |
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365 |
InterfaceSupport::unlinkSymbols(); |
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366 |
} |
1 | 367 |
// do verification AFTER potential deoptimization |
368 |
if (VerifyStack) { |
|
369 |
InterfaceSupport::verify_stack(); |
|
370 |
} |
|
371 |
||
372 |
} |
|
373 |
}; |
|
374 |
||
375 |
||
376 |
class VMNativeEntryWrapper { |
|
377 |
public: |
|
378 |
VMNativeEntryWrapper() { |
|
379 |
if (GCALotAtAllSafepoints) InterfaceSupport::check_gc_alot(); |
|
380 |
} |
|
381 |
||
382 |
~VMNativeEntryWrapper() { |
|
383 |
if (GCALotAtAllSafepoints) InterfaceSupport::check_gc_alot(); |
|
384 |
} |
|
385 |
}; |
|
386 |
||
387 |
#endif |
|
388 |
||
389 |
||
390 |
// VM-internal runtime interface support |
|
391 |
||
392 |
#ifdef ASSERT |
|
393 |
||
394 |
class RuntimeHistogramElement : public HistogramElement { |
|
395 |
public: |
|
396 |
RuntimeHistogramElement(const char* name); |
|
397 |
}; |
|
398 |
||
399 |
#define TRACE_CALL(result_type, header) \ |
|
400 |
InterfaceSupport::_number_of_calls++; \ |
|
401 |
if (CountRuntimeCalls) { \ |
|
402 |
static RuntimeHistogramElement* e = new RuntimeHistogramElement(#header); \ |
|
403 |
if (e != NULL) e->increment_count(); \ |
|
404 |
} |
|
405 |
#else |
|
406 |
#define TRACE_CALL(result_type, header) \ |
|
407 |
/* do nothing */ |
|
408 |
#endif |
|
409 |
||
410 |
||
411 |
// LEAF routines do not lock, GC or throw exceptions |
|
412 |
||
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|
413 |
#define VM_LEAF_BASE(result_type, header) \ |
1 | 414 |
TRACE_CALL(result_type, header) \ |
415 |
debug_only(NoHandleMark __hm;) \ |
|
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416 |
os::verify_stack_alignment(); \ |
1 | 417 |
/* begin of body */ |
418 |
||
36086 | 419 |
#define VM_ENTRY_BASE_FROM_LEAF(result_type, header, thread) \ |
420 |
TRACE_CALL(result_type, header) \ |
|
421 |
debug_only(ResetNoHandleMark __rnhm;) \ |
|
422 |
HandleMarkCleaner __hm(thread); \ |
|
423 |
Thread* THREAD = thread; \ |
|
424 |
os::verify_stack_alignment(); \ |
|
425 |
/* begin of body */ |
|
426 |
||
1 | 427 |
|
428 |
// ENTRY routines may lock, GC and throw exceptions |
|
429 |
||
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|
430 |
#define VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 431 |
TRACE_CALL(result_type, header) \ |
432 |
HandleMarkCleaner __hm(thread); \ |
|
433 |
Thread* THREAD = thread; \ |
|
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|
434 |
os::verify_stack_alignment(); \ |
1 | 435 |
/* begin of body */ |
436 |
||
437 |
||
438 |
// QUICK_ENTRY routines behave like ENTRY but without a handle mark |
|
439 |
||
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|
440 |
#define VM_QUICK_ENTRY_BASE(result_type, header, thread) \ |
1 | 441 |
TRACE_CALL(result_type, header) \ |
442 |
debug_only(NoHandleMark __hm;) \ |
|
443 |
Thread* THREAD = thread; \ |
|
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|
444 |
os::verify_stack_alignment(); \ |
1 | 445 |
/* begin of body */ |
446 |
||
447 |
||
448 |
// Definitions for IRT (Interpreter Runtime) |
|
449 |
// (thread is an argument passed in to all these routines) |
|
450 |
||
451 |
#define IRT_ENTRY(result_type, header) \ |
|
452 |
result_type header { \ |
|
453 |
ThreadInVMfromJava __tiv(thread); \ |
|
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|
454 |
VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 455 |
debug_only(VMEntryWrapper __vew;) |
456 |
||
457 |
||
458 |
#define IRT_LEAF(result_type, header) \ |
|
459 |
result_type header { \ |
|
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|
460 |
VM_LEAF_BASE(result_type, header) \ |
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461 |
debug_only(NoSafepointVerifier __nspv(true);) |
1 | 462 |
|
463 |
||
464 |
#define IRT_ENTRY_NO_ASYNC(result_type, header) \ |
|
465 |
result_type header { \ |
|
466 |
ThreadInVMfromJavaNoAsyncException __tiv(thread); \ |
|
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|
467 |
VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 468 |
debug_only(VMEntryWrapper __vew;) |
469 |
||
470 |
#define IRT_END } |
|
471 |
||
472 |
||
473 |
// Definitions for JRT (Java (Compiler/Shared) Runtime) |
|
474 |
||
475 |
#define JRT_ENTRY(result_type, header) \ |
|
476 |
result_type header { \ |
|
477 |
ThreadInVMfromJava __tiv(thread); \ |
|
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|
478 |
VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 479 |
debug_only(VMEntryWrapper __vew;) |
480 |
||
481 |
||
482 |
#define JRT_LEAF(result_type, header) \ |
|
483 |
result_type header { \ |
|
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|
484 |
VM_LEAF_BASE(result_type, header) \ |
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8146690: Make all classes in GC follow the naming convention.
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|
485 |
debug_only(JRTLeafVerifier __jlv;) |
1 | 486 |
|
487 |
||
488 |
#define JRT_ENTRY_NO_ASYNC(result_type, header) \ |
|
489 |
result_type header { \ |
|
490 |
ThreadInVMfromJavaNoAsyncException __tiv(thread); \ |
|
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|
491 |
VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 492 |
debug_only(VMEntryWrapper __vew;) |
493 |
||
494 |
// Same as JRT Entry but allows for return value after the safepoint |
|
495 |
// to get back into Java from the VM |
|
496 |
#define JRT_BLOCK_ENTRY(result_type, header) \ |
|
497 |
result_type header { \ |
|
498 |
TRACE_CALL(result_type, header) \ |
|
499 |
HandleMarkCleaner __hm(thread); |
|
500 |
||
501 |
#define JRT_BLOCK \ |
|
502 |
{ \ |
|
503 |
ThreadInVMfromJava __tiv(thread); \ |
|
504 |
Thread* THREAD = thread; \ |
|
505 |
debug_only(VMEntryWrapper __vew;) |
|
506 |
||
29070 | 507 |
#define JRT_BLOCK_NO_ASYNC \ |
508 |
{ \ |
|
509 |
ThreadInVMfromJavaNoAsyncException __tiv(thread); \ |
|
510 |
Thread* THREAD = thread; \ |
|
511 |
debug_only(VMEntryWrapper __vew;) |
|
512 |
||
1 | 513 |
#define JRT_BLOCK_END } |
514 |
||
515 |
#define JRT_END } |
|
516 |
||
517 |
// Definitions for JNI |
|
518 |
||
519 |
#define JNI_ENTRY(result_type, header) \ |
|
520 |
JNI_ENTRY_NO_PRESERVE(result_type, header) \ |
|
521 |
WeakPreserveExceptionMark __wem(thread); |
|
522 |
||
36551 | 523 |
#define JNI_ENTRY_NO_PRESERVE(result_type, header) \ |
1 | 524 |
extern "C" { \ |
36551 | 525 |
result_type JNICALL header { \ |
1 | 526 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
527 |
assert( !VerifyJNIEnvThread || (thread == Thread::current()), "JNIEnv is only valid in same thread"); \ |
|
528 |
ThreadInVMfromNative __tiv(thread); \ |
|
529 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
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changeset
|
530 |
VM_ENTRY_BASE(result_type, header, thread) |
1 | 531 |
|
532 |
||
533 |
// Ensure that the VMNativeEntryWrapper constructor, which can cause |
|
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|
534 |
// a GC, is called outside the NoHandleMark (set via VM_QUICK_ENTRY_BASE). |
1 | 535 |
#define JNI_QUICK_ENTRY(result_type, header) \ |
536 |
extern "C" { \ |
|
36551 | 537 |
result_type JNICALL header { \ |
1 | 538 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
539 |
assert( !VerifyJNIEnvThread || (thread == Thread::current()), "JNIEnv is only valid in same thread"); \ |
|
540 |
ThreadInVMfromNative __tiv(thread); \ |
|
541 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
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changeset
|
542 |
VM_QUICK_ENTRY_BASE(result_type, header, thread) |
1 | 543 |
|
544 |
||
545 |
#define JNI_LEAF(result_type, header) \ |
|
546 |
extern "C" { \ |
|
36551 | 547 |
result_type JNICALL header { \ |
1 | 548 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
549 |
assert( !VerifyJNIEnvThread || (thread == Thread::current()), "JNIEnv is only valid in same thread"); \ |
|
10969
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|
550 |
VM_LEAF_BASE(result_type, header) |
1 | 551 |
|
552 |
||
553 |
// Close the routine and the extern "C" |
|
554 |
#define JNI_END } } |
|
555 |
||
556 |
||
557 |
||
558 |
// Definitions for JVM |
|
559 |
||
560 |
#define JVM_ENTRY(result_type, header) \ |
|
561 |
extern "C" { \ |
|
562 |
result_type JNICALL header { \ |
|
563 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
|
564 |
ThreadInVMfromNative __tiv(thread); \ |
|
565 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
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|
566 |
VM_ENTRY_BASE(result_type, header, thread) |
1 | 567 |
|
568 |
||
569 |
#define JVM_ENTRY_NO_ENV(result_type, header) \ |
|
570 |
extern "C" { \ |
|
571 |
result_type JNICALL header { \ |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
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|
572 |
JavaThread* thread = JavaThread::current(); \ |
1 | 573 |
ThreadInVMfromNative __tiv(thread); \ |
574 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
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|
575 |
VM_ENTRY_BASE(result_type, header, thread) |
1 | 576 |
|
577 |
||
578 |
#define JVM_QUICK_ENTRY(result_type, header) \ |
|
579 |
extern "C" { \ |
|
580 |
result_type JNICALL header { \ |
|
581 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
|
582 |
ThreadInVMfromNative __tiv(thread); \ |
|
583 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
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7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
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changeset
|
584 |
VM_QUICK_ENTRY_BASE(result_type, header, thread) |
1 | 585 |
|
586 |
||
587 |
#define JVM_LEAF(result_type, header) \ |
|
588 |
extern "C" { \ |
|
589 |
result_type JNICALL header { \ |
|
590 |
VM_Exit::block_if_vm_exited(); \ |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
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parents:
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changeset
|
591 |
VM_LEAF_BASE(result_type, header) |
1 | 592 |
|
593 |
||
36086 | 594 |
#define JVM_ENTRY_FROM_LEAF(env, result_type, header) \ |
595 |
{ { \ |
|
596 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
|
597 |
ThreadInVMfromNative __tiv(thread); \ |
|
598 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
599 |
VM_ENTRY_BASE_FROM_LEAF(result_type, header, thread) |
|
600 |
||
601 |
||
1 | 602 |
#define JVM_END } } |
7397 | 603 |
|
604 |
#endif // SHARE_VM_RUNTIME_INTERFACESUPPORT_HPP |