author | rrich |
Wed, 15 May 2019 12:30:02 +0200 | |
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/* |
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* Copyright (c) 1997, 2019, 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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#ifndef SHARE_RUNTIME_INTERFACESUPPORT_INLINE_HPP |
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#define SHARE_RUNTIME_INTERFACESUPPORT_INLINE_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/safepointMechanism.inline.hpp" |
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#include "runtime/safepointVerifiers.hpp" |
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#include "runtime/thread.hpp" |
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#include "runtime/vmOperations.hpp" |
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#include "utilities/globalDefinitions.hpp" |
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#include "utilities/histogram.hpp" |
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#include "utilities/macros.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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// 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 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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}; |
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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 and ensure it is seen by the VM thread. |
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thread->set_thread_state_fence((JavaThreadState)(from + 1)); |
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SafepointMechanism::block_if_requested(thread); |
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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 and ensure it is seen by the VM thread. |
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thread->set_thread_state_fence(_thread_in_native_trans); |
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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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if (SafepointMechanism::should_block(thread) || thread->is_suspend_after_native()) { |
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JavaThread::check_safepoint_and_suspend_for_native_trans(thread); |
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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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}; |
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class ThreadInVMForHandshake : public ThreadStateTransition { |
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const JavaThreadState _original_state; |
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void transition_back() { |
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// This can be invoked from transition states and must return to the original state properly |
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assert(_thread->thread_state() == _thread_in_vm, "should only call when leaving VM after handshake"); |
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// Change to transition state and ensure it is seen by the VM thread. |
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_thread->set_thread_state_fence(_thread_in_vm_trans); |
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SafepointMechanism::block_if_requested(_thread); |
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_thread->set_thread_state(_original_state); |
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if (_original_state != _thread_blocked_trans && _original_state != _thread_in_vm_trans && |
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_thread->has_special_runtime_exit_condition()) { |
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_thread->handle_special_runtime_exit_condition( |
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!_thread->is_at_poll_safepoint() && (_original_state != _thread_in_native_trans)); |
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} |
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} |
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public: |
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ThreadInVMForHandshake(JavaThread* thread) : ThreadStateTransition(thread), |
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_original_state(thread->thread_state()) { |
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if (thread->has_last_Java_frame()) { |
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thread->frame_anchor()->make_walkable(thread); |
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} |
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thread->set_thread_state(_thread_in_vm); |
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} |
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~ThreadInVMForHandshake() { |
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transition_back(); |
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} |
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}; |
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class ThreadInVMfromJava : public ThreadStateTransition { |
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public: |
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ThreadInVMfromJava(JavaThread* thread) : ThreadStateTransition(thread) { |
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trans_from_java(_thread_in_vm); |
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} |
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~ThreadInVMfromJava() { |
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if (_thread->stack_yellow_reserved_zone_disabled()) { |
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_thread->enable_stack_yellow_reserved_zone(); |
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} |
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trans(_thread_in_vm, _thread_in_Java); |
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// Check for pending. async. exceptions or suspends. |
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if (_thread->has_special_runtime_exit_condition()) _thread->handle_special_runtime_exit_condition(); |
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} |
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}; |
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class ThreadInVMfromUnknown { |
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JavaThread* _thread; |
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public: |
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ThreadInVMfromUnknown() : _thread(NULL) { |
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Thread* t = Thread::current(); |
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if (t->is_Java_thread()) { |
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JavaThread* t2 = (JavaThread*) t; |
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if (t2->thread_state() == _thread_in_native) { |
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_thread = t2; |
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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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} |
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} |
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} |
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~ThreadInVMfromUnknown() { |
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if (_thread) { |
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ThreadStateTransition::transition(_thread, _thread_in_vm, _thread_in_native); |
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} |
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} |
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}; |
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class ThreadInVMfromNative : public ThreadStateTransition { |
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public: |
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ThreadInVMfromNative(JavaThread* thread) : ThreadStateTransition(thread) { |
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trans_from_native(_thread_in_vm); |
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} |
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~ThreadInVMfromNative() { |
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trans(_thread_in_vm, _thread_in_native); |
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} |
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}; |
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class ThreadToNativeFromVM : public ThreadStateTransition { |
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public: |
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ThreadToNativeFromVM(JavaThread *thread) : ThreadStateTransition(thread) { |
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// We are leaving the VM at this point and going directly to native code. |
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// Block, if we are in the middle of a safepoint synchronization. |
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assert(!thread->owns_locks(), "must release all locks when leaving VM"); |
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thread->frame_anchor()->make_walkable(thread); |
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trans(_thread_in_vm, _thread_in_native); |
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// Check for pending. async. exceptions or suspends. |
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if (_thread->has_special_runtime_exit_condition()) _thread->handle_special_runtime_exit_condition(false); |
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} |
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~ThreadToNativeFromVM() { |
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trans_from_native(_thread_in_vm); |
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assert(!_thread->is_pending_jni_exception_check(), "Pending JNI Exception Check"); |
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// We don't need to clear_walkable because it will happen automagically when we return to java |
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} |
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}; |
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class ThreadBlockInVM : public ThreadStateTransition { |
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public: |
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ThreadBlockInVM(JavaThread *thread) |
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: ThreadStateTransition(thread) { |
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// Once we are blocked vm expects stack to be walkable |
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thread->frame_anchor()->make_walkable(thread); |
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trans(_thread_in_vm, _thread_blocked); |
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} |
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~ThreadBlockInVM() { |
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trans(_thread_blocked, _thread_in_vm); |
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OrderAccess::cross_modify_fence(); |
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// We don't need to clear_walkable because it will happen automagically when we return to java |
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} |
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}; |
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// Unlike ThreadBlockInVM, this class is designed to avoid certain deadlock scenarios while making |
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// transitions inside class Monitor in cases where we need to block for a safepoint or handshake. It |
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255 |
// receives an extra argument compared to ThreadBlockInVM, the address of a pointer to the monitor we |
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256 |
// are trying to acquire. This will be used to access and release the monitor if needed to avoid |
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257 |
// said deadlocks. |
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258 |
// It works like ThreadBlockInVM but differs from it in two ways: |
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259 |
// - When transitioning in (constructor), it checks for safepoints without blocking, i.e., calls |
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260 |
// back if needed to allow a pending safepoint to continue but does not block in it. |
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261 |
// - When transitioning back (destructor), if there is a pending safepoint or handshake it releases |
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262 |
// the monitor that is only partially acquired. |
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263 |
class ThreadBlockInVMWithDeadlockCheck : public ThreadStateTransition { |
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264 |
private: |
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265 |
Monitor** _in_flight_monitor_adr; |
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266 |
|
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267 |
void release_monitor() { |
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268 |
assert(_in_flight_monitor_adr != NULL, "_in_flight_monitor_adr should have been set on constructor"); |
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269 |
Monitor* in_flight_monitor = *_in_flight_monitor_adr; |
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270 |
if (in_flight_monitor != NULL) { |
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271 |
in_flight_monitor->release_for_safepoint(); |
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272 |
*_in_flight_monitor_adr = NULL; |
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273 |
} |
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274 |
} |
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275 |
public: |
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276 |
ThreadBlockInVMWithDeadlockCheck(JavaThread* thread, Monitor** in_flight_monitor_adr) |
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277 |
: ThreadStateTransition(thread), _in_flight_monitor_adr(in_flight_monitor_adr) { |
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278 |
// Once we are blocked vm expects stack to be walkable |
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279 |
thread->frame_anchor()->make_walkable(thread); |
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280 |
|
53775 | 281 |
// All unsafe states are treated the same by the VMThread |
282 |
// so we can skip the _thread_in_vm_trans state here. Since |
|
283 |
// we don't read poll, it's enough to order the stores. |
|
284 |
OrderAccess::storestore(); |
|
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285 |
|
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286 |
thread->set_thread_state(_thread_blocked); |
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|
287 |
} |
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|
288 |
~ThreadBlockInVMWithDeadlockCheck() { |
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289 |
// Change to transition state and ensure it is seen by the VM thread. |
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290 |
_thread->set_thread_state_fence((JavaThreadState)(_thread_blocked_trans)); |
53646
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291 |
|
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292 |
if (SafepointMechanism::should_block(_thread)) { |
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293 |
release_monitor(); |
53775 | 294 |
SafepointMechanism::block_if_requested(_thread); |
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295 |
} |
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296 |
|
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297 |
_thread->set_thread_state(_thread_in_vm); |
54323 | 298 |
OrderAccess::cross_modify_fence(); |
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299 |
} |
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300 |
}; |
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301 |
|
1 | 302 |
|
303 |
// This special transition class is only used to prevent asynchronous exceptions |
|
304 |
// from being installed on vm exit in situations where we can't tolerate them. |
|
305 |
// See bugs: 4324348, 4854693, 4998314, 5040492, 5050705. |
|
306 |
class ThreadInVMfromJavaNoAsyncException : public ThreadStateTransition { |
|
307 |
public: |
|
308 |
ThreadInVMfromJavaNoAsyncException(JavaThread* thread) : ThreadStateTransition(thread) { |
|
309 |
trans_from_java(_thread_in_vm); |
|
310 |
} |
|
311 |
~ThreadInVMfromJavaNoAsyncException() { |
|
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312 |
if (_thread->stack_yellow_reserved_zone_disabled()) { |
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|
313 |
_thread->enable_stack_yellow_reserved_zone(); |
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314 |
} |
1 | 315 |
trans(_thread_in_vm, _thread_in_Java); |
316 |
// NOTE: We do not check for pending. async. exceptions. |
|
317 |
// If we did and moved the pending async exception over into the |
|
318 |
// pending exception field, we would need to deopt (currently C2 |
|
319 |
// only). However, to do so would require that we transition back |
|
320 |
// to the _thread_in_vm state. Instead we postpone the handling of |
|
321 |
// the async exception. |
|
322 |
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323 |
|
1 | 324 |
// Check for pending. suspends only. |
325 |
if (_thread->has_special_runtime_exit_condition()) |
|
326 |
_thread->handle_special_runtime_exit_condition(false); |
|
327 |
} |
|
328 |
}; |
|
329 |
||
330 |
// Debug class instantiated in JRT_ENTRY and ITR_ENTRY macro. |
|
331 |
// Can be used to verify properties on enter/exit of the VM. |
|
332 |
||
333 |
#ifdef ASSERT |
|
334 |
class VMEntryWrapper { |
|
335 |
public: |
|
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336 |
VMEntryWrapper(); |
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337 |
~VMEntryWrapper(); |
1 | 338 |
}; |
339 |
||
340 |
||
341 |
class VMNativeEntryWrapper { |
|
342 |
public: |
|
343 |
VMNativeEntryWrapper() { |
|
344 |
if (GCALotAtAllSafepoints) InterfaceSupport::check_gc_alot(); |
|
345 |
} |
|
346 |
||
347 |
~VMNativeEntryWrapper() { |
|
348 |
if (GCALotAtAllSafepoints) InterfaceSupport::check_gc_alot(); |
|
349 |
} |
|
350 |
}; |
|
351 |
||
352 |
#endif |
|
353 |
||
354 |
||
355 |
// VM-internal runtime interface support |
|
356 |
||
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|
357 |
// Definitions for JRT (Java (Compiler/Shared) Runtime) |
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|
358 |
|
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|
359 |
// JRT_LEAF currently can be called from either _thread_in_Java or |
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|
360 |
// _thread_in_native mode. In _thread_in_native, it is ok |
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|
361 |
// for another thread to trigger GC. The rest of the JRT_LEAF |
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|
362 |
// rules apply. |
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|
363 |
class JRTLeafVerifier : public NoSafepointVerifier { |
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|
364 |
static bool should_verify_GC(); |
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|
365 |
public: |
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|
366 |
#ifdef ASSERT |
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|
367 |
JRTLeafVerifier(); |
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|
368 |
~JRTLeafVerifier(); |
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|
369 |
#else |
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|
370 |
JRTLeafVerifier() {} |
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|
371 |
~JRTLeafVerifier() {} |
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|
372 |
#endif |
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|
373 |
}; |
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|
374 |
|
1 | 375 |
#ifdef ASSERT |
376 |
||
377 |
class RuntimeHistogramElement : public HistogramElement { |
|
378 |
public: |
|
379 |
RuntimeHistogramElement(const char* name); |
|
380 |
}; |
|
381 |
||
382 |
#define TRACE_CALL(result_type, header) \ |
|
383 |
InterfaceSupport::_number_of_calls++; \ |
|
384 |
if (CountRuntimeCalls) { \ |
|
385 |
static RuntimeHistogramElement* e = new RuntimeHistogramElement(#header); \ |
|
386 |
if (e != NULL) e->increment_count(); \ |
|
387 |
} |
|
388 |
#else |
|
389 |
#define TRACE_CALL(result_type, header) \ |
|
390 |
/* do nothing */ |
|
391 |
#endif |
|
392 |
||
393 |
||
394 |
// LEAF routines do not lock, GC or throw exceptions |
|
395 |
||
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|
396 |
#define VM_LEAF_BASE(result_type, header) \ |
1 | 397 |
TRACE_CALL(result_type, header) \ |
398 |
debug_only(NoHandleMark __hm;) \ |
|
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|
399 |
os::verify_stack_alignment(); \ |
1 | 400 |
/* begin of body */ |
401 |
||
36086 | 402 |
#define VM_ENTRY_BASE_FROM_LEAF(result_type, header, thread) \ |
403 |
TRACE_CALL(result_type, header) \ |
|
404 |
debug_only(ResetNoHandleMark __rnhm;) \ |
|
405 |
HandleMarkCleaner __hm(thread); \ |
|
406 |
Thread* THREAD = thread; \ |
|
407 |
os::verify_stack_alignment(); \ |
|
408 |
/* begin of body */ |
|
409 |
||
1 | 410 |
|
411 |
// ENTRY routines may lock, GC and throw exceptions |
|
412 |
||
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|
413 |
#define VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 414 |
TRACE_CALL(result_type, header) \ |
415 |
HandleMarkCleaner __hm(thread); \ |
|
416 |
Thread* THREAD = thread; \ |
|
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|
417 |
os::verify_stack_alignment(); \ |
1 | 418 |
/* begin of body */ |
419 |
||
420 |
||
421 |
// QUICK_ENTRY routines behave like ENTRY but without a handle mark |
|
422 |
||
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|
423 |
#define VM_QUICK_ENTRY_BASE(result_type, header, thread) \ |
1 | 424 |
TRACE_CALL(result_type, header) \ |
425 |
debug_only(NoHandleMark __hm;) \ |
|
426 |
Thread* THREAD = thread; \ |
|
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|
427 |
os::verify_stack_alignment(); \ |
1 | 428 |
/* begin of body */ |
429 |
||
430 |
||
431 |
#define JRT_ENTRY(result_type, header) \ |
|
432 |
result_type header { \ |
|
433 |
ThreadInVMfromJava __tiv(thread); \ |
|
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|
434 |
VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 435 |
debug_only(VMEntryWrapper __vew;) |
436 |
||
437 |
||
438 |
#define JRT_LEAF(result_type, header) \ |
|
439 |
result_type header { \ |
|
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|
440 |
VM_LEAF_BASE(result_type, header) \ |
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|
441 |
debug_only(JRTLeafVerifier __jlv;) |
1 | 442 |
|
443 |
||
444 |
#define JRT_ENTRY_NO_ASYNC(result_type, header) \ |
|
445 |
result_type header { \ |
|
446 |
ThreadInVMfromJavaNoAsyncException __tiv(thread); \ |
|
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|
447 |
VM_ENTRY_BASE(result_type, header, thread) \ |
1 | 448 |
debug_only(VMEntryWrapper __vew;) |
449 |
||
450 |
// Same as JRT Entry but allows for return value after the safepoint |
|
451 |
// to get back into Java from the VM |
|
452 |
#define JRT_BLOCK_ENTRY(result_type, header) \ |
|
453 |
result_type header { \ |
|
454 |
TRACE_CALL(result_type, header) \ |
|
455 |
HandleMarkCleaner __hm(thread); |
|
456 |
||
457 |
#define JRT_BLOCK \ |
|
458 |
{ \ |
|
459 |
ThreadInVMfromJava __tiv(thread); \ |
|
460 |
Thread* THREAD = thread; \ |
|
461 |
debug_only(VMEntryWrapper __vew;) |
|
462 |
||
29070 | 463 |
#define JRT_BLOCK_NO_ASYNC \ |
464 |
{ \ |
|
465 |
ThreadInVMfromJavaNoAsyncException __tiv(thread); \ |
|
466 |
Thread* THREAD = thread; \ |
|
467 |
debug_only(VMEntryWrapper __vew;) |
|
468 |
||
1 | 469 |
#define JRT_BLOCK_END } |
470 |
||
471 |
#define JRT_END } |
|
472 |
||
473 |
// Definitions for JNI |
|
474 |
||
475 |
#define JNI_ENTRY(result_type, header) \ |
|
476 |
JNI_ENTRY_NO_PRESERVE(result_type, header) \ |
|
477 |
WeakPreserveExceptionMark __wem(thread); |
|
478 |
||
36551 | 479 |
#define JNI_ENTRY_NO_PRESERVE(result_type, header) \ |
1 | 480 |
extern "C" { \ |
36551 | 481 |
result_type JNICALL header { \ |
1 | 482 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
483 |
assert( !VerifyJNIEnvThread || (thread == Thread::current()), "JNIEnv is only valid in same thread"); \ |
|
484 |
ThreadInVMfromNative __tiv(thread); \ |
|
485 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
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|
486 |
VM_ENTRY_BASE(result_type, header, thread) |
1 | 487 |
|
488 |
||
489 |
// Ensure that the VMNativeEntryWrapper constructor, which can cause |
|
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|
490 |
// a GC, is called outside the NoHandleMark (set via VM_QUICK_ENTRY_BASE). |
1 | 491 |
#define JNI_QUICK_ENTRY(result_type, header) \ |
492 |
extern "C" { \ |
|
36551 | 493 |
result_type JNICALL header { \ |
1 | 494 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
495 |
assert( !VerifyJNIEnvThread || (thread == Thread::current()), "JNIEnv is only valid in same thread"); \ |
|
496 |
ThreadInVMfromNative __tiv(thread); \ |
|
497 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
never
parents:
10565
diff
changeset
|
498 |
VM_QUICK_ENTRY_BASE(result_type, header, thread) |
1 | 499 |
|
500 |
||
501 |
#define JNI_LEAF(result_type, header) \ |
|
502 |
extern "C" { \ |
|
36551 | 503 |
result_type JNICALL header { \ |
1 | 504 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
505 |
assert( !VerifyJNIEnvThread || (thread == Thread::current()), "JNIEnv is only valid in same thread"); \ |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
never
parents:
10565
diff
changeset
|
506 |
VM_LEAF_BASE(result_type, header) |
1 | 507 |
|
508 |
||
509 |
// Close the routine and the extern "C" |
|
510 |
#define JNI_END } } |
|
511 |
||
512 |
||
513 |
||
514 |
// Definitions for JVM |
|
515 |
||
516 |
#define JVM_ENTRY(result_type, header) \ |
|
517 |
extern "C" { \ |
|
518 |
result_type JNICALL header { \ |
|
519 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
|
520 |
ThreadInVMfromNative __tiv(thread); \ |
|
521 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
never
parents:
10565
diff
changeset
|
522 |
VM_ENTRY_BASE(result_type, header, thread) |
1 | 523 |
|
524 |
||
525 |
#define JVM_ENTRY_NO_ENV(result_type, header) \ |
|
526 |
extern "C" { \ |
|
527 |
result_type JNICALL header { \ |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
34285
diff
changeset
|
528 |
JavaThread* thread = JavaThread::current(); \ |
1 | 529 |
ThreadInVMfromNative __tiv(thread); \ |
530 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
never
parents:
10565
diff
changeset
|
531 |
VM_ENTRY_BASE(result_type, header, thread) |
1 | 532 |
|
533 |
||
534 |
#define JVM_QUICK_ENTRY(result_type, header) \ |
|
535 |
extern "C" { \ |
|
536 |
result_type JNICALL header { \ |
|
537 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
|
538 |
ThreadInVMfromNative __tiv(thread); \ |
|
539 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
never
parents:
10565
diff
changeset
|
540 |
VM_QUICK_ENTRY_BASE(result_type, header, thread) |
1 | 541 |
|
542 |
||
543 |
#define JVM_LEAF(result_type, header) \ |
|
544 |
extern "C" { \ |
|
545 |
result_type JNICALL header { \ |
|
546 |
VM_Exit::block_if_vm_exited(); \ |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
never
parents:
10565
diff
changeset
|
547 |
VM_LEAF_BASE(result_type, header) |
1 | 548 |
|
549 |
||
36086 | 550 |
#define JVM_ENTRY_FROM_LEAF(env, result_type, header) \ |
551 |
{ { \ |
|
552 |
JavaThread* thread=JavaThread::thread_from_jni_environment(env); \ |
|
553 |
ThreadInVMfromNative __tiv(thread); \ |
|
554 |
debug_only(VMNativeEntryWrapper __vew;) \ |
|
555 |
VM_ENTRY_BASE_FROM_LEAF(result_type, header, thread) |
|
556 |
||
557 |
||
1 | 558 |
#define JVM_END } } |
7397 | 559 |
|
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
52877
diff
changeset
|
560 |
#endif // SHARE_RUNTIME_INTERFACESUPPORT_INLINE_HPP |