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/*
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* Copyright 1998-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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#include "incls/_precompiled.incl"
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#include "incls/_runtime.cpp.incl"
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// For debugging purposes:
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// To force FullGCALot inside a runtime function, add the following two lines
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//
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// Universe::release_fullgc_alot_dummy();
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// MarkSweep::invoke(0, "Debugging");
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//
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// At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000
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// Compiled code entry points
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address OptoRuntime::_new_instance_Java = NULL;
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address OptoRuntime::_new_array_Java = NULL;
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address OptoRuntime::_multianewarray2_Java = NULL;
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address OptoRuntime::_multianewarray3_Java = NULL;
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address OptoRuntime::_multianewarray4_Java = NULL;
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address OptoRuntime::_multianewarray5_Java = NULL;
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1374
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address OptoRuntime::_g1_wb_pre_Java = NULL;
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address OptoRuntime::_g1_wb_post_Java = NULL;
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1
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address OptoRuntime::_vtable_must_compile_Java = NULL;
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address OptoRuntime::_complete_monitor_locking_Java = NULL;
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address OptoRuntime::_rethrow_Java = NULL;
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address OptoRuntime::_slow_arraycopy_Java = NULL;
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address OptoRuntime::_register_finalizer_Java = NULL;
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# ifdef ENABLE_ZAP_DEAD_LOCALS
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address OptoRuntime::_zap_dead_Java_locals_Java = NULL;
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address OptoRuntime::_zap_dead_native_locals_Java = NULL;
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# endif
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// This should be called in an assertion at the start of OptoRuntime routines
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// which are entered from compiled code (all of them)
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#ifndef PRODUCT
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static bool check_compiled_frame(JavaThread* thread) {
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assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code");
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#ifdef ASSERT
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RegisterMap map(thread, false);
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frame caller = thread->last_frame().sender(&map);
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assert(caller.is_compiled_frame(), "not being called from compiled like code");
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#endif /* ASSERT */
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return true;
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}
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#endif
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#define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \
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var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc)
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void OptoRuntime::generate(ciEnv* env) {
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generate_exception_blob();
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// Note: tls: Means fetching the return oop out of the thread-local storage
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//
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// variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc
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// -------------------------------------------------------------------------------------------------------------------------------
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gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false);
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gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false);
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gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false);
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gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false);
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gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false);
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gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false);
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gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false);
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gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false);
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1
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gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C , 0 , false, false, false);
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gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true );
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gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false);
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gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false);
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# ifdef ENABLE_ZAP_DEAD_LOCALS
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gen(env, _zap_dead_Java_locals_Java , zap_dead_locals_Type , zap_dead_Java_locals_C , 0 , false, true , false );
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gen(env, _zap_dead_native_locals_Java , zap_dead_locals_Type , zap_dead_native_locals_C , 0 , false, true , false );
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# endif
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}
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#undef gen
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// Helper method to do generation of RunTimeStub's
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address OptoRuntime::generate_stub( ciEnv* env,
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TypeFunc_generator gen, address C_function,
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const char *name, int is_fancy_jump,
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bool pass_tls,
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bool save_argument_registers,
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bool return_pc ) {
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ResourceMark rm;
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Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc );
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return C.stub_entry_point();
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}
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const char* OptoRuntime::stub_name(address entry) {
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#ifndef PRODUCT
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CodeBlob* cb = CodeCache::find_blob(entry);
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RuntimeStub* rs =(RuntimeStub *)cb;
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assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub");
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return rs->name();
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#else
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// Fast implementation for product mode (maybe it should be inlined too)
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return "runtime stub";
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#endif
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}
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//=============================================================================
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// Opto compiler runtime routines
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//=============================================================================
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//=============================allocation======================================
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// We failed the fast-path allocation. Now we need to do a scavenge or GC
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// and try allocation again.
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void OptoRuntime::do_eager_card_mark(JavaThread* thread) {
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// After any safepoint, just before going back to compiled code,
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// we perform a card mark. This lets the compiled code omit
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// card marks for initialization of new objects.
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// Keep this code consistent with GraphKit::store_barrier.
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oop new_obj = thread->vm_result();
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if (new_obj == NULL) return;
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assert(Universe::heap()->can_elide_tlab_store_barriers(),
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"compiler must check this first");
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new_obj = Universe::heap()->new_store_barrier(new_obj);
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thread->set_vm_result(new_obj);
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}
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// object allocation
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JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(klassOopDesc* klass, JavaThread* thread))
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JRT_BLOCK;
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#ifndef PRODUCT
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SharedRuntime::_new_instance_ctr++; // new instance requires GC
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#endif
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assert(check_compiled_frame(thread), "incorrect caller");
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// These checks are cheap to make and support reflective allocation.
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int lh = Klass::cast(klass)->layout_helper();
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if (Klass::layout_helper_needs_slow_path(lh)
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|| !instanceKlass::cast(klass)->is_initialized()) {
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KlassHandle kh(THREAD, klass);
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kh->check_valid_for_instantiation(false, THREAD);
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if (!HAS_PENDING_EXCEPTION) {
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instanceKlass::cast(kh())->initialize(THREAD);
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}
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if (!HAS_PENDING_EXCEPTION) {
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klass = kh();
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} else {
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klass = NULL;
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}
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}
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if (klass != NULL) {
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// Scavenge and allocate an instance.
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oop result = instanceKlass::cast(klass)->allocate_instance(THREAD);
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thread->set_vm_result(result);
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// Pass oops back through thread local storage. Our apparent type to Java
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// is that we return an oop, but we can block on exit from this routine and
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// a GC can trash the oop in C's return register. The generated stub will
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// fetch the oop from TLS after any possible GC.
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}
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deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
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JRT_BLOCK_END;
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if (GraphKit::use_ReduceInitialCardMarks()) {
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// do them now so we don't have to do them on the fast path
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do_eager_card_mark(thread);
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}
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JRT_END
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// array allocation
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JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(klassOopDesc* array_type, int len, JavaThread *thread))
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JRT_BLOCK;
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#ifndef PRODUCT
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SharedRuntime::_new_array_ctr++; // new array requires GC
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#endif
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assert(check_compiled_frame(thread), "incorrect caller");
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// Scavenge and allocate an instance.
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oop result;
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if (Klass::cast(array_type)->oop_is_typeArray()) {
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// The oopFactory likes to work with the element type.
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// (We could bypass the oopFactory, since it doesn't add much value.)
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BasicType elem_type = typeArrayKlass::cast(array_type)->element_type();
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result = oopFactory::new_typeArray(elem_type, len, THREAD);
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} else {
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// Although the oopFactory likes to work with the elem_type,
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// the compiler prefers the array_type, since it must already have
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// that latter value in hand for the fast path.
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klassOopDesc* elem_type = objArrayKlass::cast(array_type)->element_klass();
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result = oopFactory::new_objArray(elem_type, len, THREAD);
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}
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// Pass oops back through thread local storage. Our apparent type to Java
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// is that we return an oop, but we can block on exit from this routine and
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// a GC can trash the oop in C's return register. The generated stub will
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// fetch the oop from TLS after any possible GC.
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deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
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thread->set_vm_result(result);
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JRT_BLOCK_END;
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if (GraphKit::use_ReduceInitialCardMarks()) {
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// do them now so we don't have to do them on the fast path
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do_eager_card_mark(thread);
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}
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JRT_END
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// Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
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// multianewarray for 2 dimensions
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JRT_ENTRY(void, OptoRuntime::multianewarray2_C(klassOopDesc* elem_type, int len1, int len2, JavaThread *thread))
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#ifndef PRODUCT
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SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension
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#endif
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assert(check_compiled_frame(thread), "incorrect caller");
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assert(oop(elem_type)->is_klass(), "not a class");
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jint dims[2];
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dims[0] = len1;
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dims[1] = len2;
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oop obj = arrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD);
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deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
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thread->set_vm_result(obj);
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JRT_END
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// multianewarray for 3 dimensions
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JRT_ENTRY(void, OptoRuntime::multianewarray3_C(klassOopDesc* elem_type, int len1, int len2, int len3, JavaThread *thread))
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#ifndef PRODUCT
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SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension
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#endif
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assert(check_compiled_frame(thread), "incorrect caller");
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assert(oop(elem_type)->is_klass(), "not a class");
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jint dims[3];
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dims[0] = len1;
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dims[1] = len2;
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dims[2] = len3;
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oop obj = arrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD);
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deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
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thread->set_vm_result(obj);
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JRT_END
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// multianewarray for 4 dimensions
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JRT_ENTRY(void, OptoRuntime::multianewarray4_C(klassOopDesc* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread))
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#ifndef PRODUCT
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SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension
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#endif
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assert(check_compiled_frame(thread), "incorrect caller");
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assert(oop(elem_type)->is_klass(), "not a class");
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jint dims[4];
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dims[0] = len1;
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dims[1] = len2;
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dims[2] = len3;
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dims[3] = len4;
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oop obj = arrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD);
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deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
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thread->set_vm_result(obj);
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JRT_END
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// multianewarray for 5 dimensions
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JRT_ENTRY(void, OptoRuntime::multianewarray5_C(klassOopDesc* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread))
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#ifndef PRODUCT
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SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension
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#endif
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assert(check_compiled_frame(thread), "incorrect caller");
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assert(oop(elem_type)->is_klass(), "not a class");
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jint dims[5];
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dims[0] = len1;
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dims[1] = len2;
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dims[2] = len3;
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dims[3] = len4;
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dims[4] = len5;
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oop obj = arrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD);
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deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
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thread->set_vm_result(obj);
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JRT_END
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const TypeFunc *OptoRuntime::new_instance_Type() {
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// create input type (domain)
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314 |
const Type **fields = TypeTuple::fields(1);
|
|
|
315 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
|
|
|
316 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
317 |
|
|
|
318 |
// create result type (range)
|
|
|
319 |
fields = TypeTuple::fields(1);
|
|
|
320 |
fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
|
|
|
321 |
|
|
|
322 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
323 |
|
|
|
324 |
return TypeFunc::make(domain, range);
|
|
|
325 |
}
|
|
|
326 |
|
|
|
327 |
|
|
|
328 |
const TypeFunc *OptoRuntime::athrow_Type() {
|
|
|
329 |
// create input type (domain)
|
|
|
330 |
const Type **fields = TypeTuple::fields(1);
|
|
|
331 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
|
|
|
332 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
333 |
|
|
|
334 |
// create result type (range)
|
|
|
335 |
fields = TypeTuple::fields(0);
|
|
|
336 |
|
|
|
337 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
|
|
|
338 |
|
|
|
339 |
return TypeFunc::make(domain, range);
|
|
|
340 |
}
|
|
|
341 |
|
|
|
342 |
|
|
|
343 |
const TypeFunc *OptoRuntime::new_array_Type() {
|
|
|
344 |
// create input type (domain)
|
|
|
345 |
const Type **fields = TypeTuple::fields(2);
|
|
|
346 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
|
|
|
347 |
fields[TypeFunc::Parms+1] = TypeInt::INT; // array size
|
|
|
348 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
349 |
|
|
|
350 |
// create result type (range)
|
|
|
351 |
fields = TypeTuple::fields(1);
|
|
|
352 |
fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
|
|
|
353 |
|
|
|
354 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
355 |
|
|
|
356 |
return TypeFunc::make(domain, range);
|
|
|
357 |
}
|
|
|
358 |
|
|
|
359 |
const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) {
|
|
|
360 |
// create input type (domain)
|
|
|
361 |
const int nargs = ndim + 1;
|
|
|
362 |
const Type **fields = TypeTuple::fields(nargs);
|
|
|
363 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
|
|
|
364 |
for( int i = 1; i < nargs; i++ )
|
|
|
365 |
fields[TypeFunc::Parms + i] = TypeInt::INT; // array size
|
|
|
366 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields);
|
|
|
367 |
|
|
|
368 |
// create result type (range)
|
|
|
369 |
fields = TypeTuple::fields(1);
|
|
|
370 |
fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
|
|
|
371 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
372 |
|
|
|
373 |
return TypeFunc::make(domain, range);
|
|
|
374 |
}
|
|
|
375 |
|
|
|
376 |
const TypeFunc *OptoRuntime::multianewarray2_Type() {
|
|
|
377 |
return multianewarray_Type(2);
|
|
|
378 |
}
|
|
|
379 |
|
|
|
380 |
const TypeFunc *OptoRuntime::multianewarray3_Type() {
|
|
|
381 |
return multianewarray_Type(3);
|
|
|
382 |
}
|
|
|
383 |
|
|
|
384 |
const TypeFunc *OptoRuntime::multianewarray4_Type() {
|
|
|
385 |
return multianewarray_Type(4);
|
|
|
386 |
}
|
|
|
387 |
|
|
|
388 |
const TypeFunc *OptoRuntime::multianewarray5_Type() {
|
|
|
389 |
return multianewarray_Type(5);
|
|
|
390 |
}
|
|
|
391 |
|
|
1374
|
392 |
const TypeFunc *OptoRuntime::g1_wb_pre_Type() {
|
|
|
393 |
const Type **fields = TypeTuple::fields(2);
|
|
|
394 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value
|
|
|
395 |
fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread
|
|
|
396 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
397 |
|
|
|
398 |
// create result type (range)
|
|
|
399 |
fields = TypeTuple::fields(0);
|
|
|
400 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
|
|
|
401 |
|
|
|
402 |
return TypeFunc::make(domain, range);
|
|
|
403 |
}
|
|
|
404 |
|
|
|
405 |
const TypeFunc *OptoRuntime::g1_wb_post_Type() {
|
|
|
406 |
|
|
|
407 |
const Type **fields = TypeTuple::fields(2);
|
|
|
408 |
fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr
|
|
|
409 |
fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread
|
|
|
410 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
411 |
|
|
|
412 |
// create result type (range)
|
|
|
413 |
fields = TypeTuple::fields(0);
|
|
|
414 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
|
|
|
415 |
|
|
|
416 |
return TypeFunc::make(domain, range);
|
|
|
417 |
}
|
|
|
418 |
|
|
1
|
419 |
const TypeFunc *OptoRuntime::uncommon_trap_Type() {
|
|
|
420 |
// create input type (domain)
|
|
|
421 |
const Type **fields = TypeTuple::fields(1);
|
|
|
422 |
// symbolOop name of class to be loaded
|
|
|
423 |
fields[TypeFunc::Parms+0] = TypeInt::INT;
|
|
|
424 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
425 |
|
|
|
426 |
// create result type (range)
|
|
|
427 |
fields = TypeTuple::fields(0);
|
|
|
428 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
|
|
|
429 |
|
|
|
430 |
return TypeFunc::make(domain, range);
|
|
|
431 |
}
|
|
|
432 |
|
|
|
433 |
# ifdef ENABLE_ZAP_DEAD_LOCALS
|
|
|
434 |
// Type used for stub generation for zap_dead_locals.
|
|
|
435 |
// No inputs or outputs
|
|
|
436 |
const TypeFunc *OptoRuntime::zap_dead_locals_Type() {
|
|
|
437 |
// create input type (domain)
|
|
|
438 |
const Type **fields = TypeTuple::fields(0);
|
|
|
439 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms,fields);
|
|
|
440 |
|
|
|
441 |
// create result type (range)
|
|
|
442 |
fields = TypeTuple::fields(0);
|
|
|
443 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms,fields);
|
|
|
444 |
|
|
|
445 |
return TypeFunc::make(domain,range);
|
|
|
446 |
}
|
|
|
447 |
# endif
|
|
|
448 |
|
|
|
449 |
|
|
|
450 |
//-----------------------------------------------------------------------------
|
|
|
451 |
// Monitor Handling
|
|
|
452 |
const TypeFunc *OptoRuntime::complete_monitor_enter_Type() {
|
|
|
453 |
// create input type (domain)
|
|
|
454 |
const Type **fields = TypeTuple::fields(2);
|
|
|
455 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
|
|
|
456 |
fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock
|
|
|
457 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
|
|
|
458 |
|
|
|
459 |
// create result type (range)
|
|
|
460 |
fields = TypeTuple::fields(0);
|
|
|
461 |
|
|
|
462 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
|
|
|
463 |
|
|
|
464 |
return TypeFunc::make(domain,range);
|
|
|
465 |
}
|
|
|
466 |
|
|
|
467 |
|
|
|
468 |
//-----------------------------------------------------------------------------
|
|
|
469 |
const TypeFunc *OptoRuntime::complete_monitor_exit_Type() {
|
|
|
470 |
// create input type (domain)
|
|
|
471 |
const Type **fields = TypeTuple::fields(2);
|
|
|
472 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
|
|
|
473 |
fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock
|
|
|
474 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
|
|
|
475 |
|
|
|
476 |
// create result type (range)
|
|
|
477 |
fields = TypeTuple::fields(0);
|
|
|
478 |
|
|
|
479 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
|
|
|
480 |
|
|
|
481 |
return TypeFunc::make(domain,range);
|
|
|
482 |
}
|
|
|
483 |
|
|
|
484 |
const TypeFunc* OptoRuntime::flush_windows_Type() {
|
|
|
485 |
// create input type (domain)
|
|
|
486 |
const Type** fields = TypeTuple::fields(1);
|
|
|
487 |
fields[TypeFunc::Parms+0] = NULL; // void
|
|
|
488 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields);
|
|
|
489 |
|
|
|
490 |
// create result type
|
|
|
491 |
fields = TypeTuple::fields(1);
|
|
|
492 |
fields[TypeFunc::Parms+0] = NULL; // void
|
|
|
493 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
|
|
|
494 |
|
|
|
495 |
return TypeFunc::make(domain, range);
|
|
|
496 |
}
|
|
|
497 |
|
|
|
498 |
const TypeFunc* OptoRuntime::l2f_Type() {
|
|
|
499 |
// create input type (domain)
|
|
|
500 |
const Type **fields = TypeTuple::fields(2);
|
|
|
501 |
fields[TypeFunc::Parms+0] = TypeLong::LONG;
|
|
|
502 |
fields[TypeFunc::Parms+1] = Type::HALF;
|
|
|
503 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
504 |
|
|
|
505 |
// create result type (range)
|
|
|
506 |
fields = TypeTuple::fields(1);
|
|
|
507 |
fields[TypeFunc::Parms+0] = Type::FLOAT;
|
|
|
508 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
509 |
|
|
|
510 |
return TypeFunc::make(domain, range);
|
|
|
511 |
}
|
|
|
512 |
|
|
|
513 |
const TypeFunc* OptoRuntime::modf_Type() {
|
|
|
514 |
const Type **fields = TypeTuple::fields(2);
|
|
|
515 |
fields[TypeFunc::Parms+0] = Type::FLOAT;
|
|
|
516 |
fields[TypeFunc::Parms+1] = Type::FLOAT;
|
|
|
517 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
518 |
|
|
|
519 |
// create result type (range)
|
|
|
520 |
fields = TypeTuple::fields(1);
|
|
|
521 |
fields[TypeFunc::Parms+0] = Type::FLOAT;
|
|
|
522 |
|
|
|
523 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
524 |
|
|
|
525 |
return TypeFunc::make(domain, range);
|
|
|
526 |
}
|
|
|
527 |
|
|
|
528 |
const TypeFunc *OptoRuntime::Math_D_D_Type() {
|
|
|
529 |
// create input type (domain)
|
|
|
530 |
const Type **fields = TypeTuple::fields(2);
|
|
|
531 |
// symbolOop name of class to be loaded
|
|
|
532 |
fields[TypeFunc::Parms+0] = Type::DOUBLE;
|
|
|
533 |
fields[TypeFunc::Parms+1] = Type::HALF;
|
|
|
534 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
535 |
|
|
|
536 |
// create result type (range)
|
|
|
537 |
fields = TypeTuple::fields(2);
|
|
|
538 |
fields[TypeFunc::Parms+0] = Type::DOUBLE;
|
|
|
539 |
fields[TypeFunc::Parms+1] = Type::HALF;
|
|
|
540 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
541 |
|
|
|
542 |
return TypeFunc::make(domain, range);
|
|
|
543 |
}
|
|
|
544 |
|
|
|
545 |
const TypeFunc* OptoRuntime::Math_DD_D_Type() {
|
|
|
546 |
const Type **fields = TypeTuple::fields(4);
|
|
|
547 |
fields[TypeFunc::Parms+0] = Type::DOUBLE;
|
|
|
548 |
fields[TypeFunc::Parms+1] = Type::HALF;
|
|
|
549 |
fields[TypeFunc::Parms+2] = Type::DOUBLE;
|
|
|
550 |
fields[TypeFunc::Parms+3] = Type::HALF;
|
|
|
551 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields);
|
|
|
552 |
|
|
|
553 |
// create result type (range)
|
|
|
554 |
fields = TypeTuple::fields(2);
|
|
|
555 |
fields[TypeFunc::Parms+0] = Type::DOUBLE;
|
|
|
556 |
fields[TypeFunc::Parms+1] = Type::HALF;
|
|
|
557 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
558 |
|
|
|
559 |
return TypeFunc::make(domain, range);
|
|
|
560 |
}
|
|
|
561 |
|
|
|
562 |
//-------------- currentTimeMillis
|
|
|
563 |
|
|
|
564 |
const TypeFunc* OptoRuntime::current_time_millis_Type() {
|
|
|
565 |
// create input type (domain)
|
|
|
566 |
const Type **fields = TypeTuple::fields(0);
|
|
|
567 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields);
|
|
|
568 |
|
|
|
569 |
// create result type (range)
|
|
|
570 |
fields = TypeTuple::fields(2);
|
|
|
571 |
fields[TypeFunc::Parms+0] = TypeLong::LONG;
|
|
|
572 |
fields[TypeFunc::Parms+1] = Type::HALF;
|
|
|
573 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
574 |
|
|
|
575 |
return TypeFunc::make(domain, range);
|
|
|
576 |
}
|
|
|
577 |
|
|
|
578 |
// arraycopy stub variations:
|
|
|
579 |
enum ArrayCopyType {
|
|
|
580 |
ac_fast, // void(ptr, ptr, size_t)
|
|
|
581 |
ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr)
|
|
|
582 |
ac_slow, // void(ptr, int, ptr, int, int)
|
|
|
583 |
ac_generic // int(ptr, int, ptr, int, int)
|
|
|
584 |
};
|
|
|
585 |
|
|
|
586 |
static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) {
|
|
|
587 |
// create input type (domain)
|
|
|
588 |
int num_args = (act == ac_fast ? 3 : 5);
|
|
|
589 |
int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0);
|
|
|
590 |
int argcnt = num_args;
|
|
|
591 |
LP64_ONLY(argcnt += num_size_args); // halfwords for lengths
|
|
|
592 |
const Type** fields = TypeTuple::fields(argcnt);
|
|
|
593 |
int argp = TypeFunc::Parms;
|
|
|
594 |
fields[argp++] = TypePtr::NOTNULL; // src
|
|
|
595 |
if (num_size_args == 0) {
|
|
|
596 |
fields[argp++] = TypeInt::INT; // src_pos
|
|
|
597 |
}
|
|
|
598 |
fields[argp++] = TypePtr::NOTNULL; // dest
|
|
|
599 |
if (num_size_args == 0) {
|
|
|
600 |
fields[argp++] = TypeInt::INT; // dest_pos
|
|
|
601 |
fields[argp++] = TypeInt::INT; // length
|
|
|
602 |
}
|
|
|
603 |
while (num_size_args-- > 0) {
|
|
|
604 |
fields[argp++] = TypeX_X; // size in whatevers (size_t)
|
|
|
605 |
LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length
|
|
|
606 |
}
|
|
|
607 |
if (act == ac_checkcast) {
|
|
|
608 |
fields[argp++] = TypePtr::NOTNULL; // super_klass
|
|
|
609 |
}
|
|
|
610 |
assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act");
|
|
|
611 |
const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
|
|
|
612 |
|
|
|
613 |
// create result type if needed
|
|
|
614 |
int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0);
|
|
|
615 |
fields = TypeTuple::fields(1);
|
|
|
616 |
if (retcnt == 0)
|
|
|
617 |
fields[TypeFunc::Parms+0] = NULL; // void
|
|
|
618 |
else
|
|
|
619 |
fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed
|
|
|
620 |
const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields);
|
|
|
621 |
return TypeFunc::make(domain, range);
|
|
|
622 |
}
|
|
|
623 |
|
|
|
624 |
const TypeFunc* OptoRuntime::fast_arraycopy_Type() {
|
|
|
625 |
// This signature is simple: Two base pointers and a size_t.
|
|
|
626 |
return make_arraycopy_Type(ac_fast);
|
|
|
627 |
}
|
|
|
628 |
|
|
|
629 |
const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() {
|
|
|
630 |
// An extension of fast_arraycopy_Type which adds type checking.
|
|
|
631 |
return make_arraycopy_Type(ac_checkcast);
|
|
|
632 |
}
|
|
|
633 |
|
|
|
634 |
const TypeFunc* OptoRuntime::slow_arraycopy_Type() {
|
|
|
635 |
// This signature is exactly the same as System.arraycopy.
|
|
|
636 |
// There are no intptr_t (int/long) arguments.
|
|
|
637 |
return make_arraycopy_Type(ac_slow);
|
|
|
638 |
}
|
|
|
639 |
|
|
|
640 |
const TypeFunc* OptoRuntime::generic_arraycopy_Type() {
|
|
|
641 |
// This signature is like System.arraycopy, except that it returns status.
|
|
|
642 |
return make_arraycopy_Type(ac_generic);
|
|
|
643 |
}
|
|
|
644 |
|
|
|
645 |
|
|
|
646 |
//------------- Interpreter state access for on stack replacement
|
|
|
647 |
const TypeFunc* OptoRuntime::osr_end_Type() {
|
|
|
648 |
// create input type (domain)
|
|
|
649 |
const Type **fields = TypeTuple::fields(1);
|
|
|
650 |
fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf
|
|
|
651 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
652 |
|
|
|
653 |
// create result type
|
|
|
654 |
fields = TypeTuple::fields(1);
|
|
|
655 |
// fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop
|
|
|
656 |
fields[TypeFunc::Parms+0] = NULL; // void
|
|
|
657 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
|
|
|
658 |
return TypeFunc::make(domain, range);
|
|
|
659 |
}
|
|
|
660 |
|
|
|
661 |
//-------------- methodData update helpers
|
|
|
662 |
|
|
|
663 |
const TypeFunc* OptoRuntime::profile_receiver_type_Type() {
|
|
|
664 |
// create input type (domain)
|
|
|
665 |
const Type **fields = TypeTuple::fields(2);
|
|
|
666 |
fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer
|
|
|
667 |
fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop
|
|
|
668 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
|
|
|
669 |
|
|
|
670 |
// create result type
|
|
|
671 |
fields = TypeTuple::fields(1);
|
|
|
672 |
fields[TypeFunc::Parms+0] = NULL; // void
|
|
|
673 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
|
|
|
674 |
return TypeFunc::make(domain,range);
|
|
|
675 |
}
|
|
|
676 |
|
|
|
677 |
JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver))
|
|
|
678 |
if (receiver == NULL) return;
|
|
|
679 |
klassOop receiver_klass = receiver->klass();
|
|
|
680 |
|
|
|
681 |
intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells();
|
|
|
682 |
int empty_row = -1; // free row, if any is encountered
|
|
|
683 |
|
|
|
684 |
// ReceiverTypeData* vc = new ReceiverTypeData(mdp);
|
|
|
685 |
for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) {
|
|
|
686 |
// if (vc->receiver(row) == receiver_klass)
|
|
|
687 |
int receiver_off = ReceiverTypeData::receiver_cell_index(row);
|
|
|
688 |
intptr_t row_recv = *(mdp + receiver_off);
|
|
|
689 |
if (row_recv == (intptr_t) receiver_klass) {
|
|
|
690 |
// vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment);
|
|
|
691 |
int count_off = ReceiverTypeData::receiver_count_cell_index(row);
|
|
|
692 |
*(mdp + count_off) += DataLayout::counter_increment;
|
|
|
693 |
return;
|
|
|
694 |
} else if (row_recv == 0) {
|
|
|
695 |
// else if (vc->receiver(row) == NULL)
|
|
|
696 |
empty_row = (int) row;
|
|
|
697 |
}
|
|
|
698 |
}
|
|
|
699 |
|
|
|
700 |
if (empty_row != -1) {
|
|
|
701 |
int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row);
|
|
|
702 |
// vc->set_receiver(empty_row, receiver_klass);
|
|
|
703 |
*(mdp + receiver_off) = (intptr_t) receiver_klass;
|
|
|
704 |
// vc->set_receiver_count(empty_row, DataLayout::counter_increment);
|
|
|
705 |
int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row);
|
|
|
706 |
*(mdp + count_off) = DataLayout::counter_increment;
|
|
|
707 |
}
|
|
|
708 |
JRT_END
|
|
|
709 |
|
|
|
710 |
//-----------------------------------------------------------------------------
|
|
|
711 |
// implicit exception support.
|
|
|
712 |
|
|
|
713 |
static void report_null_exception_in_code_cache(address exception_pc) {
|
|
|
714 |
ResourceMark rm;
|
|
|
715 |
CodeBlob* n = CodeCache::find_blob(exception_pc);
|
|
|
716 |
if (n != NULL) {
|
|
|
717 |
tty->print_cr("#");
|
|
|
718 |
tty->print_cr("# HotSpot Runtime Error, null exception in generated code");
|
|
|
719 |
tty->print_cr("#");
|
|
|
720 |
tty->print_cr("# pc where exception happened = " INTPTR_FORMAT, exception_pc);
|
|
|
721 |
|
|
|
722 |
if (n->is_nmethod()) {
|
|
|
723 |
methodOop method = ((nmethod*)n)->method();
|
|
|
724 |
tty->print_cr("# Method where it happened %s.%s ", Klass::cast(method->method_holder())->name()->as_C_string(), method->name()->as_C_string());
|
|
|
725 |
tty->print_cr("#");
|
|
|
726 |
if (ShowMessageBoxOnError && UpdateHotSpotCompilerFileOnError) {
|
|
|
727 |
const char* title = "HotSpot Runtime Error";
|
|
|
728 |
const char* question = "Do you want to exclude compilation of this method in future runs?";
|
|
|
729 |
if (os::message_box(title, question)) {
|
|
|
730 |
CompilerOracle::append_comment_to_file("");
|
|
|
731 |
CompilerOracle::append_comment_to_file("Null exception in compiled code resulted in the following exclude");
|
|
|
732 |
CompilerOracle::append_comment_to_file("");
|
|
|
733 |
CompilerOracle::append_exclude_to_file(method);
|
|
|
734 |
tty->print_cr("#");
|
|
|
735 |
tty->print_cr("# %s has been updated to exclude the specified method", CompileCommandFile);
|
|
|
736 |
tty->print_cr("#");
|
|
|
737 |
}
|
|
|
738 |
}
|
|
|
739 |
fatal("Implicit null exception happened in compiled method");
|
|
|
740 |
} else {
|
|
|
741 |
n->print();
|
|
|
742 |
fatal("Implicit null exception happened in generated stub");
|
|
|
743 |
}
|
|
|
744 |
}
|
|
|
745 |
fatal("Implicit null exception at wrong place");
|
|
|
746 |
}
|
|
|
747 |
|
|
|
748 |
|
|
|
749 |
//-------------------------------------------------------------------------------------
|
|
|
750 |
// register policy
|
|
|
751 |
|
|
|
752 |
bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) {
|
|
|
753 |
assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register");
|
|
|
754 |
switch (register_save_policy[reg]) {
|
|
|
755 |
case 'C': return false; //SOC
|
|
|
756 |
case 'E': return true ; //SOE
|
|
|
757 |
case 'N': return false; //NS
|
|
|
758 |
case 'A': return false; //AS
|
|
|
759 |
}
|
|
|
760 |
ShouldNotReachHere();
|
|
|
761 |
return false;
|
|
|
762 |
}
|
|
|
763 |
|
|
|
764 |
//-----------------------------------------------------------------------
|
|
|
765 |
// Exceptions
|
|
|
766 |
//
|
|
|
767 |
|
|
|
768 |
static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN;
|
|
|
769 |
|
|
|
770 |
// The method is an entry that is always called by a C++ method not
|
|
|
771 |
// directly from compiled code. Compiled code will call the C++ method following.
|
|
|
772 |
// We can't allow async exception to be installed during exception processing.
|
|
|
773 |
JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm))
|
|
|
774 |
|
|
|
775 |
// Do not confuse exception_oop with pending_exception. The exception_oop
|
|
|
776 |
// is only used to pass arguments into the method. Not for general
|
|
|
777 |
// exception handling. DO NOT CHANGE IT to use pending_exception, since
|
|
|
778 |
// the runtime stubs checks this on exit.
|
|
|
779 |
assert(thread->exception_oop() != NULL, "exception oop is found");
|
|
|
780 |
address handler_address = NULL;
|
|
|
781 |
|
|
|
782 |
Handle exception(thread, thread->exception_oop());
|
|
|
783 |
|
|
|
784 |
if (TraceExceptions) {
|
|
|
785 |
trace_exception(exception(), thread->exception_pc(), "");
|
|
|
786 |
}
|
|
|
787 |
// for AbortVMOnException flag
|
|
|
788 |
NOT_PRODUCT(Exceptions::debug_check_abort(exception));
|
|
|
789 |
|
|
|
790 |
#ifdef ASSERT
|
|
|
791 |
if (!(exception->is_a(SystemDictionary::throwable_klass()))) {
|
|
|
792 |
// should throw an exception here
|
|
|
793 |
ShouldNotReachHere();
|
|
|
794 |
}
|
|
|
795 |
#endif
|
|
|
796 |
|
|
|
797 |
|
|
|
798 |
// new exception handling: this method is entered only from adapters
|
|
|
799 |
// exceptions from compiled java methods are handled in compiled code
|
|
|
800 |
// using rethrow node
|
|
|
801 |
|
|
|
802 |
address pc = thread->exception_pc();
|
|
|
803 |
nm = CodeCache::find_nmethod(pc);
|
|
|
804 |
assert(nm != NULL, "No NMethod found");
|
|
|
805 |
if (nm->is_native_method()) {
|
|
|
806 |
fatal("Native mathod should not have path to exception handling");
|
|
|
807 |
} else {
|
|
|
808 |
// we are switching to old paradigm: search for exception handler in caller_frame
|
|
|
809 |
// instead in exception handler of caller_frame.sender()
|
|
|
810 |
|
|
|
811 |
if (JvmtiExport::can_post_exceptions()) {
|
|
|
812 |
// "Full-speed catching" is not necessary here,
|
|
|
813 |
// since we're notifying the VM on every catch.
|
|
|
814 |
// Force deoptimization and the rest of the lookup
|
|
|
815 |
// will be fine.
|
|
|
816 |
deoptimize_caller_frame(thread, true);
|
|
|
817 |
}
|
|
|
818 |
|
|
|
819 |
// Check the stack guard pages. If enabled, look for handler in this frame;
|
|
|
820 |
// otherwise, forcibly unwind the frame.
|
|
|
821 |
//
|
|
|
822 |
// 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate.
|
|
|
823 |
bool force_unwind = !thread->reguard_stack();
|
|
|
824 |
bool deopting = false;
|
|
|
825 |
if (nm->is_deopt_pc(pc)) {
|
|
|
826 |
deopting = true;
|
|
|
827 |
RegisterMap map(thread, false);
|
|
|
828 |
frame deoptee = thread->last_frame().sender(&map);
|
|
|
829 |
assert(deoptee.is_deoptimized_frame(), "must be deopted");
|
|
|
830 |
// Adjust the pc back to the original throwing pc
|
|
|
831 |
pc = deoptee.pc();
|
|
|
832 |
}
|
|
|
833 |
|
|
|
834 |
// If we are forcing an unwind because of stack overflow then deopt is
|
|
|
835 |
// irrelevant sice we are throwing the frame away anyway.
|
|
|
836 |
|
|
|
837 |
if (deopting && !force_unwind) {
|
|
|
838 |
handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
|
|
|
839 |
} else {
|
|
|
840 |
|
|
|
841 |
handler_address =
|
|
|
842 |
force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc);
|
|
|
843 |
|
|
|
844 |
if (handler_address == NULL) {
|
|
|
845 |
handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true);
|
|
|
846 |
assert (handler_address != NULL, "must have compiled handler");
|
|
|
847 |
// Update the exception cache only when the unwind was not forced.
|
|
|
848 |
if (!force_unwind) {
|
|
|
849 |
nm->add_handler_for_exception_and_pc(exception,pc,handler_address);
|
|
|
850 |
}
|
|
|
851 |
} else {
|
|
|
852 |
assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same");
|
|
|
853 |
}
|
|
|
854 |
}
|
|
|
855 |
|
|
|
856 |
thread->set_exception_pc(pc);
|
|
|
857 |
thread->set_exception_handler_pc(handler_address);
|
|
|
858 |
thread->set_exception_stack_size(0);
|
|
|
859 |
}
|
|
|
860 |
|
|
|
861 |
// Restore correct return pc. Was saved above.
|
|
|
862 |
thread->set_exception_oop(exception());
|
|
|
863 |
return handler_address;
|
|
|
864 |
|
|
|
865 |
JRT_END
|
|
|
866 |
|
|
|
867 |
// We are entering here from exception_blob
|
|
|
868 |
// If there is a compiled exception handler in this method, we will continue there;
|
|
|
869 |
// otherwise we will unwind the stack and continue at the caller of top frame method
|
|
|
870 |
// Note we enter without the usual JRT wrapper. We will call a helper routine that
|
|
|
871 |
// will do the normal VM entry. We do it this way so that we can see if the nmethod
|
|
|
872 |
// we looked up the handler for has been deoptimized in the meantime. If it has been
|
|
|
873 |
// we must not use the handler and instread return the deopt blob.
|
|
|
874 |
address OptoRuntime::handle_exception_C(JavaThread* thread) {
|
|
|
875 |
//
|
|
|
876 |
// We are in Java not VM and in debug mode we have a NoHandleMark
|
|
|
877 |
//
|
|
|
878 |
#ifndef PRODUCT
|
|
|
879 |
SharedRuntime::_find_handler_ctr++; // find exception handler
|
|
|
880 |
#endif
|
|
|
881 |
debug_only(NoHandleMark __hm;)
|
|
|
882 |
nmethod* nm = NULL;
|
|
|
883 |
address handler_address = NULL;
|
|
|
884 |
{
|
|
|
885 |
// Enter the VM
|
|
|
886 |
|
|
|
887 |
ResetNoHandleMark rnhm;
|
|
|
888 |
handler_address = handle_exception_C_helper(thread, nm);
|
|
|
889 |
}
|
|
|
890 |
|
|
|
891 |
// Back in java: Use no oops, DON'T safepoint
|
|
|
892 |
|
|
|
893 |
// Now check to see if the handler we are returning is in a now
|
|
|
894 |
// deoptimized frame
|
|
|
895 |
|
|
|
896 |
if (nm != NULL) {
|
|
|
897 |
RegisterMap map(thread, false);
|
|
|
898 |
frame caller = thread->last_frame().sender(&map);
|
|
|
899 |
#ifdef ASSERT
|
|
|
900 |
assert(caller.is_compiled_frame(), "must be");
|
|
|
901 |
#endif // ASSERT
|
|
|
902 |
if (caller.is_deoptimized_frame()) {
|
|
|
903 |
handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
|
|
|
904 |
}
|
|
|
905 |
}
|
|
|
906 |
return handler_address;
|
|
|
907 |
}
|
|
|
908 |
|
|
|
909 |
//------------------------------rethrow----------------------------------------
|
|
|
910 |
// We get here after compiled code has executed a 'RethrowNode'. The callee
|
|
|
911 |
// is either throwing or rethrowing an exception. The callee-save registers
|
|
|
912 |
// have been restored, synchronized objects have been unlocked and the callee
|
|
|
913 |
// stack frame has been removed. The return address was passed in.
|
|
|
914 |
// Exception oop is passed as the 1st argument. This routine is then called
|
|
|
915 |
// from the stub. On exit, we know where to jump in the caller's code.
|
|
|
916 |
// After this C code exits, the stub will pop his frame and end in a jump
|
|
|
917 |
// (instead of a return). We enter the caller's default handler.
|
|
|
918 |
//
|
|
|
919 |
// This must be JRT_LEAF:
|
|
|
920 |
// - caller will not change its state as we cannot block on exit,
|
|
|
921 |
// therefore raw_exception_handler_for_return_address is all it takes
|
|
|
922 |
// to handle deoptimized blobs
|
|
|
923 |
//
|
|
|
924 |
// However, there needs to be a safepoint check in the middle! So compiled
|
|
|
925 |
// safepoints are completely watertight.
|
|
|
926 |
//
|
|
|
927 |
// Thus, it cannot be a leaf since it contains the No_GC_Verifier.
|
|
|
928 |
//
|
|
|
929 |
// *THIS IS NOT RECOMMENDED PROGRAMMING STYLE*
|
|
|
930 |
//
|
|
|
931 |
address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) {
|
|
|
932 |
#ifndef PRODUCT
|
|
|
933 |
SharedRuntime::_rethrow_ctr++; // count rethrows
|
|
|
934 |
#endif
|
|
|
935 |
assert (exception != NULL, "should have thrown a NULLPointerException");
|
|
|
936 |
#ifdef ASSERT
|
|
|
937 |
if (!(exception->is_a(SystemDictionary::throwable_klass()))) {
|
|
|
938 |
// should throw an exception here
|
|
|
939 |
ShouldNotReachHere();
|
|
|
940 |
}
|
|
|
941 |
#endif
|
|
|
942 |
|
|
|
943 |
thread->set_vm_result(exception);
|
|
|
944 |
// Frame not compiled (handles deoptimization blob)
|
|
|
945 |
return SharedRuntime::raw_exception_handler_for_return_address(ret_pc);
|
|
|
946 |
}
|
|
|
947 |
|
|
|
948 |
|
|
|
949 |
const TypeFunc *OptoRuntime::rethrow_Type() {
|
|
|
950 |
// create input type (domain)
|
|
|
951 |
const Type **fields = TypeTuple::fields(1);
|
|
|
952 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
|
|
|
953 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
|
|
|
954 |
|
|
|
955 |
// create result type (range)
|
|
|
956 |
fields = TypeTuple::fields(1);
|
|
|
957 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
|
|
|
958 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
|
|
|
959 |
|
|
|
960 |
return TypeFunc::make(domain, range);
|
|
|
961 |
}
|
|
|
962 |
|
|
|
963 |
|
|
|
964 |
void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) {
|
|
|
965 |
// Deoptimize frame
|
|
|
966 |
if (doit) {
|
|
|
967 |
// Called from within the owner thread, so no need for safepoint
|
|
|
968 |
RegisterMap reg_map(thread);
|
|
|
969 |
frame stub_frame = thread->last_frame();
|
|
|
970 |
assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check");
|
|
|
971 |
frame caller_frame = stub_frame.sender(®_map);
|
|
|
972 |
|
|
|
973 |
VM_DeoptimizeFrame deopt(thread, caller_frame.id());
|
|
|
974 |
VMThread::execute(&deopt);
|
|
|
975 |
}
|
|
|
976 |
}
|
|
|
977 |
|
|
|
978 |
|
|
|
979 |
const TypeFunc *OptoRuntime::register_finalizer_Type() {
|
|
|
980 |
// create input type (domain)
|
|
|
981 |
const Type **fields = TypeTuple::fields(1);
|
|
|
982 |
fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver
|
|
|
983 |
// // The JavaThread* is passed to each routine as the last argument
|
|
|
984 |
// fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread
|
|
|
985 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
|
|
|
986 |
|
|
|
987 |
// create result type (range)
|
|
|
988 |
fields = TypeTuple::fields(0);
|
|
|
989 |
|
|
|
990 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
|
|
|
991 |
|
|
|
992 |
return TypeFunc::make(domain,range);
|
|
|
993 |
}
|
|
|
994 |
|
|
|
995 |
|
|
|
996 |
//-----------------------------------------------------------------------------
|
|
|
997 |
// Dtrace support. entry and exit probes have the same signature
|
|
|
998 |
const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() {
|
|
|
999 |
// create input type (domain)
|
|
|
1000 |
const Type **fields = TypeTuple::fields(2);
|
|
|
1001 |
fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
|
|
|
1002 |
fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // methodOop; Method we are entering
|
|
|
1003 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
|
|
|
1004 |
|
|
|
1005 |
// create result type (range)
|
|
|
1006 |
fields = TypeTuple::fields(0);
|
|
|
1007 |
|
|
|
1008 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
|
|
|
1009 |
|
|
|
1010 |
return TypeFunc::make(domain,range);
|
|
|
1011 |
}
|
|
|
1012 |
|
|
|
1013 |
const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() {
|
|
|
1014 |
// create input type (domain)
|
|
|
1015 |
const Type **fields = TypeTuple::fields(2);
|
|
|
1016 |
fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
|
|
|
1017 |
fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object
|
|
|
1018 |
|
|
|
1019 |
const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
|
|
|
1020 |
|
|
|
1021 |
// create result type (range)
|
|
|
1022 |
fields = TypeTuple::fields(0);
|
|
|
1023 |
|
|
|
1024 |
const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
|
|
|
1025 |
|
|
|
1026 |
return TypeFunc::make(domain,range);
|
|
|
1027 |
}
|
|
|
1028 |
|
|
|
1029 |
|
|
|
1030 |
JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread))
|
|
|
1031 |
assert(obj->is_oop(), "must be a valid oop");
|
|
|
1032 |
assert(obj->klass()->klass_part()->has_finalizer(), "shouldn't be here otherwise");
|
|
|
1033 |
instanceKlass::register_finalizer(instanceOop(obj), CHECK);
|
|
|
1034 |
JRT_END
|
|
|
1035 |
|
|
|
1036 |
//-----------------------------------------------------------------------------
|
|
|
1037 |
|
|
|
1038 |
NamedCounter * volatile OptoRuntime::_named_counters = NULL;
|
|
|
1039 |
|
|
|
1040 |
//
|
|
|
1041 |
// dump the collected NamedCounters.
|
|
|
1042 |
//
|
|
|
1043 |
void OptoRuntime::print_named_counters() {
|
|
|
1044 |
int total_lock_count = 0;
|
|
|
1045 |
int eliminated_lock_count = 0;
|
|
|
1046 |
|
|
|
1047 |
NamedCounter* c = _named_counters;
|
|
|
1048 |
while (c) {
|
|
|
1049 |
if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) {
|
|
|
1050 |
int count = c->count();
|
|
|
1051 |
if (count > 0) {
|
|
|
1052 |
bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter;
|
|
|
1053 |
if (Verbose) {
|
|
|
1054 |
tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : "");
|
|
|
1055 |
}
|
|
|
1056 |
total_lock_count += count;
|
|
|
1057 |
if (eliminated) {
|
|
|
1058 |
eliminated_lock_count += count;
|
|
|
1059 |
}
|
|
|
1060 |
}
|
|
|
1061 |
} else if (c->tag() == NamedCounter::BiasedLockingCounter) {
|
|
|
1062 |
BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters();
|
|
|
1063 |
if (blc->nonzero()) {
|
|
|
1064 |
tty->print_cr("%s", c->name());
|
|
|
1065 |
blc->print_on(tty);
|
|
|
1066 |
}
|
|
|
1067 |
}
|
|
|
1068 |
c = c->next();
|
|
|
1069 |
}
|
|
|
1070 |
if (total_lock_count > 0) {
|
|
|
1071 |
tty->print_cr("dynamic locks: %d", total_lock_count);
|
|
|
1072 |
if (eliminated_lock_count) {
|
|
|
1073 |
tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count,
|
|
|
1074 |
(int)(eliminated_lock_count * 100.0 / total_lock_count));
|
|
|
1075 |
}
|
|
|
1076 |
}
|
|
|
1077 |
}
|
|
|
1078 |
|
|
|
1079 |
//
|
|
|
1080 |
// Allocate a new NamedCounter. The JVMState is used to generate the
|
|
|
1081 |
// name which consists of method@line for the inlining tree.
|
|
|
1082 |
//
|
|
|
1083 |
|
|
|
1084 |
NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) {
|
|
|
1085 |
int max_depth = youngest_jvms->depth();
|
|
|
1086 |
|
|
|
1087 |
// Visit scopes from youngest to oldest.
|
|
|
1088 |
bool first = true;
|
|
|
1089 |
stringStream st;
|
|
|
1090 |
for (int depth = max_depth; depth >= 1; depth--) {
|
|
|
1091 |
JVMState* jvms = youngest_jvms->of_depth(depth);
|
|
|
1092 |
ciMethod* m = jvms->has_method() ? jvms->method() : NULL;
|
|
|
1093 |
if (!first) {
|
|
|
1094 |
st.print(" ");
|
|
|
1095 |
} else {
|
|
|
1096 |
first = false;
|
|
|
1097 |
}
|
|
|
1098 |
int bci = jvms->bci();
|
|
|
1099 |
if (bci < 0) bci = 0;
|
|
|
1100 |
st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci);
|
|
|
1101 |
// To print linenumbers instead of bci use: m->line_number_from_bci(bci)
|
|
|
1102 |
}
|
|
|
1103 |
NamedCounter* c;
|
|
|
1104 |
if (tag == NamedCounter::BiasedLockingCounter) {
|
|
|
1105 |
c = new BiasedLockingNamedCounter(strdup(st.as_string()));
|
|
|
1106 |
} else {
|
|
|
1107 |
c = new NamedCounter(strdup(st.as_string()), tag);
|
|
|
1108 |
}
|
|
|
1109 |
|
|
|
1110 |
// atomically add the new counter to the head of the list. We only
|
|
|
1111 |
// add counters so this is safe.
|
|
|
1112 |
NamedCounter* head;
|
|
|
1113 |
do {
|
|
|
1114 |
head = _named_counters;
|
|
|
1115 |
c->set_next(head);
|
|
|
1116 |
} while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head);
|
|
|
1117 |
return c;
|
|
|
1118 |
}
|
|
|
1119 |
|
|
|
1120 |
//-----------------------------------------------------------------------------
|
|
|
1121 |
// Non-product code
|
|
|
1122 |
#ifndef PRODUCT
|
|
|
1123 |
|
|
|
1124 |
int trace_exception_counter = 0;
|
|
|
1125 |
static void trace_exception(oop exception_oop, address exception_pc, const char* msg) {
|
|
|
1126 |
ttyLocker ttyl;
|
|
|
1127 |
trace_exception_counter++;
|
|
|
1128 |
tty->print("%d [Exception (%s): ", trace_exception_counter, msg);
|
|
|
1129 |
exception_oop->print_value();
|
|
|
1130 |
tty->print(" in ");
|
|
|
1131 |
CodeBlob* blob = CodeCache::find_blob(exception_pc);
|
|
|
1132 |
if (blob->is_nmethod()) {
|
|
|
1133 |
((nmethod*)blob)->method()->print_value();
|
|
|
1134 |
} else if (blob->is_runtime_stub()) {
|
|
|
1135 |
tty->print("<runtime-stub>");
|
|
|
1136 |
} else {
|
|
|
1137 |
tty->print("<unknown>");
|
|
|
1138 |
}
|
|
|
1139 |
tty->print(" at " INTPTR_FORMAT, exception_pc);
|
|
|
1140 |
tty->print_cr("]");
|
|
|
1141 |
}
|
|
|
1142 |
|
|
|
1143 |
#endif // PRODUCT
|
|
|
1144 |
|
|
|
1145 |
|
|
|
1146 |
# ifdef ENABLE_ZAP_DEAD_LOCALS
|
|
|
1147 |
// Called from call sites in compiled code with oop maps (actually safepoints)
|
|
|
1148 |
// Zaps dead locals in first java frame.
|
|
|
1149 |
// Is entry because may need to lock to generate oop maps
|
|
|
1150 |
// Currently, only used for compiler frames, but someday may be used
|
|
|
1151 |
// for interpreter frames, too.
|
|
|
1152 |
|
|
|
1153 |
int OptoRuntime::ZapDeadCompiledLocals_count = 0;
|
|
|
1154 |
|
|
|
1155 |
// avoid pointers to member funcs with these helpers
|
|
|
1156 |
static bool is_java_frame( frame* f) { return f->is_java_frame(); }
|
|
|
1157 |
static bool is_native_frame(frame* f) { return f->is_native_frame(); }
|
|
|
1158 |
|
|
|
1159 |
|
|
|
1160 |
void OptoRuntime::zap_dead_java_or_native_locals(JavaThread* thread,
|
|
|
1161 |
bool (*is_this_the_right_frame_to_zap)(frame*)) {
|
|
|
1162 |
assert(JavaThread::current() == thread, "is this needed?");
|
|
|
1163 |
|
|
|
1164 |
if ( !ZapDeadCompiledLocals ) return;
|
|
|
1165 |
|
|
|
1166 |
bool skip = false;
|
|
|
1167 |
|
|
|
1168 |
if ( ZapDeadCompiledLocalsFirst == 0 ) ; // nothing special
|
|
|
1169 |
else if ( ZapDeadCompiledLocalsFirst > ZapDeadCompiledLocals_count ) skip = true;
|
|
|
1170 |
else if ( ZapDeadCompiledLocalsFirst == ZapDeadCompiledLocals_count )
|
|
|
1171 |
warning("starting zapping after skipping");
|
|
|
1172 |
|
|
|
1173 |
if ( ZapDeadCompiledLocalsLast == -1 ) ; // nothing special
|
|
|
1174 |
else if ( ZapDeadCompiledLocalsLast < ZapDeadCompiledLocals_count ) skip = true;
|
|
|
1175 |
else if ( ZapDeadCompiledLocalsLast == ZapDeadCompiledLocals_count )
|
|
|
1176 |
warning("about to zap last zap");
|
|
|
1177 |
|
|
|
1178 |
++ZapDeadCompiledLocals_count; // counts skipped zaps, too
|
|
|
1179 |
|
|
|
1180 |
if ( skip ) return;
|
|
|
1181 |
|
|
|
1182 |
// find java frame and zap it
|
|
|
1183 |
|
|
|
1184 |
for (StackFrameStream sfs(thread); !sfs.is_done(); sfs.next()) {
|
|
|
1185 |
if (is_this_the_right_frame_to_zap(sfs.current()) ) {
|
|
|
1186 |
sfs.current()->zap_dead_locals(thread, sfs.register_map());
|
|
|
1187 |
return;
|
|
|
1188 |
}
|
|
|
1189 |
}
|
|
|
1190 |
warning("no frame found to zap in zap_dead_Java_locals_C");
|
|
|
1191 |
}
|
|
|
1192 |
|
|
|
1193 |
JRT_LEAF(void, OptoRuntime::zap_dead_Java_locals_C(JavaThread* thread))
|
|
|
1194 |
zap_dead_java_or_native_locals(thread, is_java_frame);
|
|
|
1195 |
JRT_END
|
|
|
1196 |
|
|
|
1197 |
// The following does not work because for one thing, the
|
|
|
1198 |
// thread state is wrong; it expects java, but it is native.
|
|
2131
|
1199 |
// Also, the invariants in a native stub are different and
|
|
1
|
1200 |
// I'm not sure it is safe to have a MachCalRuntimeDirectNode
|
|
|
1201 |
// in there.
|
|
|
1202 |
// So for now, we do not zap in native stubs.
|
|
|
1203 |
|
|
|
1204 |
JRT_LEAF(void, OptoRuntime::zap_dead_native_locals_C(JavaThread* thread))
|
|
|
1205 |
zap_dead_java_or_native_locals(thread, is_native_frame);
|
|
|
1206 |
JRT_END
|
|
|
1207 |
|
|
|
1208 |
# endif
|