1 /*
   2  * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2016, 2017, SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.

2698     __ lock_object(hdr, obj, lock, *op->stub()->entry());
2699     // done
2700   } else if (op->code() == lir_unlock) {
2701     assert(BasicLock::displaced_header_offset_in_bytes() == 0, "lock_reg must point to the displaced header");
2702     __ unlock_object(hdr, obj, lock, *op->stub()->entry());
2703   } else {
2704     ShouldNotReachHere();
2705   }
2706   __ bind(*op->stub()->continuation());
2707 }
2708 
2709 void LIR_Assembler::emit_profile_call(LIR_OpProfileCall* op) {
2710   ciMethod* method = op->profiled_method();
2711   int bci          = op->profiled_bci();
2712   ciMethod* callee = op->profiled_callee();
2713 
2714   // Update counter for all call types.
2715   ciMethodData* md = method->method_data_or_null();
2716   assert(md != NULL, "Sanity");
2717   ciProfileData* data = md->bci_to_data(bci);
2718   assert(data->is_CounterData(), "need CounterData for calls");
2719   assert(op->mdo()->is_single_cpu(),  "mdo must be allocated");
2720   Register mdo  = op->mdo()->as_register();
2721   assert(op->tmp1()->is_double_cpu(), "tmp1 must be allocated");
2722   Register tmp1 = op->tmp1()->as_register_lo();
2723   metadata2reg(md->constant_encoding(), mdo);
2724 
2725   Address counter_addr(mdo, md->byte_offset_of_slot(data, CounterData::count_offset()));
2726   // Perform additional virtual call profiling for invokevirtual and
2727   // invokeinterface bytecodes
2728   if (op->should_profile_receiver_type()) {
2729     assert(op->recv()->is_single_cpu(), "recv must be allocated");
2730     Register recv = op->recv()->as_register();
2731     assert_different_registers(mdo, tmp1, recv);
2732     assert(data->is_VirtualCallData(), "need VirtualCallData for virtual calls");
2733     ciKlass* known_klass = op->known_holder();
2734     if (C1OptimizeVirtualCallProfiling && known_klass != NULL) {
2735       // We know the type that will be seen at this call site; we can
2736       // statically update the MethodData* rather than needing to do
2737       // dynamic tests on the receiver type.
2738 

   1 /*
   2  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2016, 2017, SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.

2698     __ lock_object(hdr, obj, lock, *op->stub()->entry());
2699     // done
2700   } else if (op->code() == lir_unlock) {
2701     assert(BasicLock::displaced_header_offset_in_bytes() == 0, "lock_reg must point to the displaced header");
2702     __ unlock_object(hdr, obj, lock, *op->stub()->entry());
2703   } else {
2704     ShouldNotReachHere();
2705   }
2706   __ bind(*op->stub()->continuation());
2707 }
2708 
2709 void LIR_Assembler::emit_profile_call(LIR_OpProfileCall* op) {
2710   ciMethod* method = op->profiled_method();
2711   int bci          = op->profiled_bci();
2712   ciMethod* callee = op->profiled_callee();
2713 
2714   // Update counter for all call types.
2715   ciMethodData* md = method->method_data_or_null();
2716   assert(md != NULL, "Sanity");
2717   ciProfileData* data = md->bci_to_data(bci);
2718   assert(data != NULL && data->is_CounterData(), "need CounterData for calls");
2719   assert(op->mdo()->is_single_cpu(),  "mdo must be allocated");
2720   Register mdo  = op->mdo()->as_register();
2721   assert(op->tmp1()->is_double_cpu(), "tmp1 must be allocated");
2722   Register tmp1 = op->tmp1()->as_register_lo();
2723   metadata2reg(md->constant_encoding(), mdo);
2724 
2725   Address counter_addr(mdo, md->byte_offset_of_slot(data, CounterData::count_offset()));
2726   // Perform additional virtual call profiling for invokevirtual and
2727   // invokeinterface bytecodes
2728   if (op->should_profile_receiver_type()) {
2729     assert(op->recv()->is_single_cpu(), "recv must be allocated");
2730     Register recv = op->recv()->as_register();
2731     assert_different_registers(mdo, tmp1, recv);
2732     assert(data->is_VirtualCallData(), "need VirtualCallData for virtual calls");
2733     ciKlass* known_klass = op->known_holder();
2734     if (C1OptimizeVirtualCallProfiling && known_klass != NULL) {
2735       // We know the type that will be seen at this call site; we can
2736       // statically update the MethodData* rather than needing to do
2737       // dynamic tests on the receiver type.
2738