author | pliden |
Thu, 17 May 2018 09:35:38 +0200 | |
changeset 50157 | bd198a98f3c5 |
parent 50094 | 2f79462aab9b |
child 51056 | 3ddf41505d54 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "asm/macroAssembler.hpp" |
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#include "gc/shared/barrierSetAssembler.hpp" |
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#include "interpreter/bytecodeHistogram.hpp" |
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#include "interpreter/interp_masm.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "interpreter/templateInterpreterGenerator.hpp" |
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#include "interpreter/templateTable.hpp" |
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#include "oops/arrayOop.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/method.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "prims/jvmtiThreadState.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/deoptimization.hpp" |
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#include "runtime/frame.inline.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "runtime/synchronizer.hpp" |
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#include "runtime/timer.hpp" |
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#include "runtime/vframeArray.hpp" |
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#include "utilities/debug.hpp" |
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#include "utilities/macros.hpp" |
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#define __ _masm-> |
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// Size of interpreter code. Increase if too small. Interpreter will |
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// fail with a guarantee ("not enough space for interpreter generation"); |
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// if too small. |
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// Run with +PrintInterpreter to get the VM to print out the size. |
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// Max size with JVMTI |
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#ifdef AMD64 |
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int TemplateInterpreter::InterpreterCodeSize = JVMCI_ONLY(268) NOT_JVMCI(256) * 1024; |
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#else |
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int TemplateInterpreter::InterpreterCodeSize = 224 * 1024; |
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#endif // AMD64 |
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// Global Register Names |
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static const Register rbcp = LP64_ONLY(r13) NOT_LP64(rsi); |
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static const Register rlocals = LP64_ONLY(r14) NOT_LP64(rdi); |
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const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
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const int bcp_offset = frame::interpreter_frame_bcp_offset * wordSize; |
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const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; |
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//----------------------------------------------------------------------------- |
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address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { |
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address entry = __ pc(); |
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#ifdef ASSERT |
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{ |
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Label L; |
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__ lea(rax, Address(rbp, |
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frame::interpreter_frame_monitor_block_top_offset * |
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wordSize)); |
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__ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack |
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// grows negative) |
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__ jcc(Assembler::aboveEqual, L); // check if frame is complete |
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__ stop ("interpreter frame not set up"); |
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__ bind(L); |
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} |
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#endif // ASSERT |
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// Restore bcp under the assumption that the current frame is still |
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// interpreted |
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__ restore_bcp(); |
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// expression stack must be empty before entering the VM if an |
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// exception happened |
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__ empty_expression_stack(); |
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// throw exception |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime::throw_StackOverflowError)); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler() { |
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address entry = __ pc(); |
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// The expression stack must be empty before entering the VM if an |
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// exception happened. |
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__ empty_expression_stack(); |
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// Setup parameters. |
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// ??? convention: expect aberrant index in register ebx/rbx. |
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// Pass array to create more detailed exceptions. |
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Register rarg = NOT_LP64(rax) LP64_ONLY(c_rarg1); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime:: |
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throw_ArrayIndexOutOfBoundsException), |
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rarg, rbx); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_ClassCastException_handler() { |
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address entry = __ pc(); |
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// object is at TOS |
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Register rarg = NOT_LP64(rax) LP64_ONLY(c_rarg1); |
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__ pop(rarg); |
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// expression stack must be empty before entering the VM if an |
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// exception happened |
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__ empty_expression_stack(); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime:: |
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throw_ClassCastException), |
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rarg); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_exception_handler_common( |
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const char* name, const char* message, bool pass_oop) { |
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assert(!pass_oop || message == NULL, "either oop or message but not both"); |
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address entry = __ pc(); |
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Register rarg = NOT_LP64(rax) LP64_ONLY(c_rarg1); |
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Register rarg2 = NOT_LP64(rbx) LP64_ONLY(c_rarg2); |
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if (pass_oop) { |
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// object is at TOS |
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__ pop(rarg2); |
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} |
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// expression stack must be empty before entering the VM if an |
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// exception happened |
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__ empty_expression_stack(); |
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// setup parameters |
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__ lea(rarg, ExternalAddress((address)name)); |
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if (pass_oop) { |
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__ call_VM(rax, CAST_FROM_FN_PTR(address, |
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InterpreterRuntime:: |
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create_klass_exception), |
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rarg, rarg2); |
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} else { |
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__ lea(rarg2, ExternalAddress((address)message)); |
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__ call_VM(rax, |
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CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), |
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rarg, rarg2); |
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} |
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// throw exception |
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__ jump(ExternalAddress(Interpreter::throw_exception_entry())); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) { |
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address entry = __ pc(); |
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#ifndef _LP64 |
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#ifdef COMPILER2 |
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// The FPU stack is clean if UseSSE >= 2 but must be cleaned in other cases |
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if ((state == ftos && UseSSE < 1) || (state == dtos && UseSSE < 2)) { |
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for (int i = 1; i < 8; i++) { |
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__ ffree(i); |
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} |
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} else if (UseSSE < 2) { |
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__ empty_FPU_stack(); |
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} |
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#endif // COMPILER2 |
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if ((state == ftos && UseSSE < 1) || (state == dtos && UseSSE < 2)) { |
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__ MacroAssembler::verify_FPU(1, "generate_return_entry_for compiled"); |
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} else { |
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__ MacroAssembler::verify_FPU(0, "generate_return_entry_for compiled"); |
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} |
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if (state == ftos) { |
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__ MacroAssembler::verify_FPU(UseSSE >= 1 ? 0 : 1, "generate_return_entry_for in interpreter"); |
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} else if (state == dtos) { |
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__ MacroAssembler::verify_FPU(UseSSE >= 2 ? 0 : 1, "generate_return_entry_for in interpreter"); |
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} |
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#endif // _LP64 |
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|
1 | 202 |
// Restore stack bottom in case i2c adjusted stack |
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__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1 | 204 |
// and NULL it as marker that esp is now tos until next java call |
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__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 206 |
|
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__ restore_bcp(); |
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__ restore_locals(); |
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if (state == atos) { |
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Register mdp = rbx; |
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Register tmp = rcx; |
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__ profile_return_type(mdp, rax, tmp); |
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} |
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const Register cache = rbx; |
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const Register index = rcx; |
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__ get_cache_and_index_at_bcp(cache, index, 1, index_size); |
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|
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const Register flags = cache; |
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__ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset())); |
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__ andl(flags, ConstantPoolCacheEntry::parameter_size_mask); |
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__ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale())); |
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224 |
|
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const Register java_thread = NOT_LP64(rcx) LP64_ONLY(r15_thread); |
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if (JvmtiExport::can_pop_frame()) { |
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NOT_LP64(__ get_thread(java_thread)); |
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228 |
__ check_and_handle_popframe(java_thread); |
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229 |
} |
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230 |
if (JvmtiExport::can_force_early_return()) { |
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231 |
NOT_LP64(__ get_thread(java_thread)); |
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232 |
__ check_and_handle_earlyret(java_thread); |
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233 |
} |
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234 |
|
1 | 235 |
__ dispatch_next(state, step); |
4478 | 236 |
|
1 | 237 |
return entry; |
238 |
} |
|
239 |
||
240 |
||
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address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, int step, address continuation) { |
1 | 242 |
address entry = __ pc(); |
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243 |
|
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244 |
#ifndef _LP64 |
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if (state == ftos) { |
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246 |
__ MacroAssembler::verify_FPU(UseSSE >= 1 ? 0 : 1, "generate_deopt_entry_for in interpreter"); |
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} else if (state == dtos) { |
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248 |
__ MacroAssembler::verify_FPU(UseSSE >= 2 ? 0 : 1, "generate_deopt_entry_for in interpreter"); |
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249 |
} |
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250 |
#endif // _LP64 |
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251 |
|
1 | 252 |
// NULL last_sp until next java call |
1066 | 253 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 254 |
__ restore_bcp(); |
255 |
__ restore_locals(); |
|
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256 |
const Register thread = NOT_LP64(rcx) LP64_ONLY(r15_thread); |
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257 |
NOT_LP64(__ get_thread(thread)); |
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#if INCLUDE_JVMCI |
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// Check if we need to take lock at entry of synchronized method. This can |
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// only occur on method entry so emit it only for vtos with step 0. |
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if ((EnableJVMCI || UseAOT) && state == vtos && step == 0) { |
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Label L; |
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__ cmpb(Address(thread, JavaThread::pending_monitorenter_offset()), 0); |
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__ jcc(Assembler::zero, L); |
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265 |
// Clear flag. |
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266 |
__ movb(Address(thread, JavaThread::pending_monitorenter_offset()), 0); |
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267 |
// Satisfy calling convention for lock_method(). |
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__ get_method(rbx); |
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269 |
// Take lock. |
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lock_method(); |
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__ bind(L); |
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272 |
} else { |
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#ifdef ASSERT |
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if (EnableJVMCI) { |
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Label L; |
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__ cmpb(Address(r15_thread, JavaThread::pending_monitorenter_offset()), 0); |
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277 |
__ jccb(Assembler::zero, L); |
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278 |
__ stop("unexpected pending monitor in deopt entry"); |
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__ bind(L); |
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280 |
} |
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281 |
#endif |
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282 |
} |
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283 |
#endif |
1 | 284 |
// handle exceptions |
285 |
{ |
|
286 |
Label L; |
|
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287 |
__ cmpptr(Address(thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
1 | 288 |
__ jcc(Assembler::zero, L); |
289 |
__ call_VM(noreg, |
|
290 |
CAST_FROM_FN_PTR(address, |
|
291 |
InterpreterRuntime::throw_pending_exception)); |
|
292 |
__ should_not_reach_here(); |
|
293 |
__ bind(L); |
|
294 |
} |
|
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295 |
if (continuation == NULL) { |
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296 |
__ dispatch_next(state, step); |
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297 |
} else { |
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298 |
__ jump_to_entry(continuation); |
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299 |
} |
1 | 300 |
return entry; |
301 |
} |
|
302 |
||
303 |
address TemplateInterpreterGenerator::generate_result_handler_for( |
|
304 |
BasicType type) { |
|
305 |
address entry = __ pc(); |
|
306 |
switch (type) { |
|
307 |
case T_BOOLEAN: __ c2bool(rax); break; |
|
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308 |
#ifndef _LP64 |
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309 |
case T_CHAR : __ andptr(rax, 0xFFFF); break; |
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310 |
#else |
1 | 311 |
case T_CHAR : __ movzwl(rax, rax); break; |
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312 |
#endif // _LP64 |
1 | 313 |
case T_BYTE : __ sign_extend_byte(rax); break; |
314 |
case T_SHORT : __ sign_extend_short(rax); break; |
|
315 |
case T_INT : /* nothing to do */ break; |
|
316 |
case T_LONG : /* nothing to do */ break; |
|
317 |
case T_VOID : /* nothing to do */ break; |
|
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318 |
#ifndef _LP64 |
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319 |
case T_DOUBLE : |
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320 |
case T_FLOAT : |
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321 |
{ const Register t = InterpreterRuntime::SignatureHandlerGenerator::temp(); |
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322 |
__ pop(t); // remove return address first |
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323 |
// Must return a result for interpreter or compiler. In SSE |
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324 |
// mode, results are returned in xmm0 and the FPU stack must |
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325 |
// be empty. |
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326 |
if (type == T_FLOAT && UseSSE >= 1) { |
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327 |
// Load ST0 |
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|
328 |
__ fld_d(Address(rsp, 0)); |
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329 |
// Store as float and empty fpu stack |
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330 |
__ fstp_s(Address(rsp, 0)); |
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|
331 |
// and reload |
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332 |
__ movflt(xmm0, Address(rsp, 0)); |
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333 |
} else if (type == T_DOUBLE && UseSSE >= 2 ) { |
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334 |
__ movdbl(xmm0, Address(rsp, 0)); |
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|
335 |
} else { |
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|
336 |
// restore ST0 |
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|
337 |
__ fld_d(Address(rsp, 0)); |
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|
338 |
} |
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|
339 |
// and pop the temp |
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340 |
__ addptr(rsp, 2 * wordSize); |
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341 |
__ push(t); // restore return address |
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|
342 |
} |
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|
343 |
break; |
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|
344 |
#else |
1 | 345 |
case T_FLOAT : /* nothing to do */ break; |
346 |
case T_DOUBLE : /* nothing to do */ break; |
|
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347 |
#endif // _LP64 |
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348 |
|
1 | 349 |
case T_OBJECT : |
350 |
// retrieve result from frame |
|
1066 | 351 |
__ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
1 | 352 |
// and verify it |
353 |
__ verify_oop(rax); |
|
354 |
break; |
|
355 |
default : ShouldNotReachHere(); |
|
356 |
} |
|
357 |
__ ret(0); // return from result handler |
|
358 |
return entry; |
|
359 |
} |
|
360 |
||
361 |
address TemplateInterpreterGenerator::generate_safept_entry_for( |
|
362 |
TosState state, |
|
363 |
address runtime_entry) { |
|
364 |
address entry = __ pc(); |
|
365 |
__ push(state); |
|
366 |
__ call_VM(noreg, runtime_entry); |
|
367 |
__ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); |
|
368 |
return entry; |
|
369 |
} |
|
370 |
||
371 |
||
372 |
||
373 |
// Helpers for commoning out cases in the various type of method entries. |
|
374 |
// |
|
375 |
||
376 |
||
377 |
// increment invocation count & check for overflow |
|
378 |
// |
|
379 |
// Note: checking for negative value instead of overflow |
|
380 |
// so we have a 'sticky' overflow test |
|
381 |
// |
|
382 |
// rbx: method |
|
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|
383 |
// rcx: invocation counter |
1 | 384 |
// |
35214 | 385 |
void TemplateInterpreterGenerator::generate_counter_incr( |
1 | 386 |
Label* overflow, |
387 |
Label* profile_method, |
|
388 |
Label* profile_method_continue) { |
|
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389 |
Label done; |
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|
390 |
// Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
6453 | 391 |
if (TieredCompilation) { |
392 |
int increment = InvocationCounter::count_increment; |
|
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|
393 |
Label no_mdo; |
6453 | 394 |
if (ProfileInterpreter) { |
395 |
// Are we profiling? |
|
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|
396 |
__ movptr(rax, Address(rbx, Method::method_data_offset())); |
6453 | 397 |
__ testptr(rax, rax); |
398 |
__ jccb(Assembler::zero, no_mdo); |
|
399 |
// Increment counter in the MDO |
|
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|
400 |
const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
6453 | 401 |
in_bytes(InvocationCounter::counter_offset())); |
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|
402 |
const Address mask(rax, in_bytes(MethodData::invoke_mask_offset())); |
6453 | 403 |
__ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); |
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|
404 |
__ jmp(done); |
6453 | 405 |
} |
406 |
__ bind(no_mdo); |
|
17000
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|
407 |
// Increment counter in MethodCounters |
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|
408 |
const Address invocation_counter(rax, |
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|
409 |
MethodCounters::invocation_counter_offset() + |
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|
410 |
InvocationCounter::counter_offset()); |
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|
411 |
__ get_method_counters(rbx, rax, done); |
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|
412 |
const Address mask(rax, in_bytes(MethodCounters::invoke_mask_offset())); |
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|
413 |
__ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
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|
414 |
false, Assembler::zero, overflow); |
6453 | 415 |
__ bind(done); |
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|
416 |
} else { // not TieredCompilation |
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diff
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|
417 |
const Address backedge_counter(rax, |
11bf92e571a2
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|
418 |
MethodCounters::backedge_counter_offset() + |
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|
419 |
InvocationCounter::counter_offset()); |
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|
420 |
const Address invocation_counter(rax, |
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|
421 |
MethodCounters::invocation_counter_offset() + |
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|
422 |
InvocationCounter::counter_offset()); |
1 | 423 |
|
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|
424 |
__ get_method_counters(rbx, rax, done); |
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|
425 |
|
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|
426 |
if (ProfileInterpreter) { |
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diff
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|
427 |
__ incrementl(Address(rax, |
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changeset
|
428 |
MethodCounters::interpreter_invocation_counter_offset())); |
6453 | 429 |
} |
430 |
// Update standard invocation counters |
|
17000
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|
431 |
__ movl(rcx, invocation_counter); |
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|
432 |
__ incrementl(rcx, InvocationCounter::count_increment); |
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changeset
|
433 |
__ movl(invocation_counter, rcx); // save invocation count |
1 | 434 |
|
17000
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changeset
|
435 |
__ movl(rax, backedge_counter); // load backedge counter |
6453 | 436 |
__ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
1 | 437 |
|
6453 | 438 |
__ addl(rcx, rax); // add both counters |
1 | 439 |
|
6453 | 440 |
// profile_method is non-null only for interpreted method so |
441 |
// profile_method != NULL == !native_call |
|
442 |
||
443 |
if (ProfileInterpreter && profile_method != NULL) { |
|
444 |
// Test to see if we should create a method data oop |
|
28650
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25950
diff
changeset
|
445 |
__ movptr(rax, Address(rbx, Method::method_counters_offset())); |
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changeset
|
446 |
__ cmp32(rcx, Address(rax, in_bytes(MethodCounters::interpreter_profile_limit_offset()))); |
6453 | 447 |
__ jcc(Assembler::less, *profile_method_continue); |
1 | 448 |
|
6453 | 449 |
// if no method data exists, go to profile_method |
450 |
__ test_method_data_pointer(rax, *profile_method); |
|
451 |
} |
|
452 |
||
28650
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
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25950
diff
changeset
|
453 |
__ movptr(rax, Address(rbx, Method::method_counters_offset())); |
772aaab2582f
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25950
diff
changeset
|
454 |
__ cmp32(rcx, Address(rax, in_bytes(MethodCounters::interpreter_invocation_limit_offset()))); |
6453 | 455 |
__ jcc(Assembler::aboveEqual, *overflow); |
17000
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jiangli
parents:
16624
diff
changeset
|
456 |
__ bind(done); |
1 | 457 |
} |
458 |
} |
|
459 |
||
35214 | 460 |
void TemplateInterpreterGenerator::generate_counter_overflow(Label& do_continue) { |
1 | 461 |
|
462 |
// Asm interpreter on entry |
|
34651
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|
463 |
// r14/rdi - locals |
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|
464 |
// r13/rsi - bcp |
1 | 465 |
// rbx - method |
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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changeset
|
466 |
// rdx - cpool --- DOES NOT APPEAR TO BE TRUE |
1 | 467 |
// rbp - interpreter frame |
468 |
||
469 |
// On return (i.e. jump to entry_point) [ back to invocation of interpreter ] |
|
470 |
// Everything as it was on entry |
|
471 |
// rdx is not restored. Doesn't appear to really be set. |
|
472 |
||
473 |
// InterpreterRuntime::frequency_counter_overflow takes two |
|
474 |
// arguments, the first (thread) is passed by call_VM, the second |
|
475 |
// indicates if the counter overflow occurs at a backwards branch |
|
476 |
// (NULL bcp). We pass zero for it. The call returns the address |
|
477 |
// of the verified entry point for the method or NULL if the |
|
478 |
// compilation did not complete (either went background or bailed |
|
479 |
// out). |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
33160
diff
changeset
|
480 |
Register rarg = NOT_LP64(rax) LP64_ONLY(c_rarg1); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
481 |
__ movl(rarg, 0); |
1 | 482 |
__ call_VM(noreg, |
483 |
CAST_FROM_FN_PTR(address, |
|
484 |
InterpreterRuntime::frequency_counter_overflow), |
|
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
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33160
diff
changeset
|
485 |
rarg); |
1 | 486 |
|
13728
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changeset
|
487 |
__ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
1 | 488 |
// Preserve invariant that r13/r14 contain bcp/locals of sender frame |
489 |
// and jump to the interpreted entry. |
|
35214 | 490 |
__ jmp(do_continue, relocInfo::none); |
1 | 491 |
} |
492 |
||
39390
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goetz
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38074
diff
changeset
|
493 |
// See if we've got enough room on the stack for locals plus overhead below |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
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changeset
|
494 |
// JavaThread::stack_overflow_limit(). If not, throw a StackOverflowError |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
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38074
diff
changeset
|
495 |
// without going through the signal handler, i.e., reserved and yellow zones |
edf6a424a8b7
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diff
changeset
|
496 |
// will not be made usable. The shadow zone must suffice to handle the |
edf6a424a8b7
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goetz
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38074
diff
changeset
|
497 |
// overflow. |
1 | 498 |
// The expression stack grows down incrementally, so the normal guard |
499 |
// page mechanism will work for that. |
|
500 |
// |
|
501 |
// NOTE: Since the additional locals are also always pushed (wasn't |
|
25950
b5c40ed1d349
8003426: Remove UseFastAccessors and UseFastEmptyMethods except for zero
coleenp
parents:
25717
diff
changeset
|
502 |
// obvious in generate_fixed_frame) so the guard should work for them |
1 | 503 |
// too. |
504 |
// |
|
505 |
// Args: |
|
506 |
// rdx: number of additional locals this frame needs (what we must check) |
|
13728
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13391
diff
changeset
|
507 |
// rbx: Method* |
1 | 508 |
// |
509 |
// Kills: |
|
510 |
// rax |
|
35214 | 511 |
void TemplateInterpreterGenerator::generate_stack_overflow_check(void) { |
1 | 512 |
|
25950
b5c40ed1d349
8003426: Remove UseFastAccessors and UseFastEmptyMethods except for zero
coleenp
parents:
25717
diff
changeset
|
513 |
// monitor entry size: see picture of stack in frame_x86.hpp |
1 | 514 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
515 |
||
516 |
// total overhead size: entry_size + (saved rbp through expr stack |
|
517 |
// bottom). be sure to change this if you add/subtract anything |
|
518 |
// to/from the overhead area |
|
519 |
const int overhead_size = |
|
520 |
-(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; |
|
521 |
||
522 |
const int page_size = os::vm_page_size(); |
|
523 |
||
524 |
Label after_frame_check; |
|
525 |
||
526 |
// see if the frame is greater than one page in size. If so, |
|
527 |
// then we need to verify there is enough stack space remaining |
|
528 |
// for the additional locals. |
|
5419 | 529 |
__ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
1 | 530 |
__ jcc(Assembler::belowEqual, after_frame_check); |
531 |
||
532 |
// compute rsp as if this were going to be the last frame on |
|
533 |
// the stack before the red zone |
|
534 |
||
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
535 |
Label after_frame_check_pop; |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
33160
diff
changeset
|
536 |
const Register thread = NOT_LP64(rsi) LP64_ONLY(r15_thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
537 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
538 |
__ push(thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
539 |
__ get_thread(thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
540 |
#endif |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
541 |
|
39390
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
542 |
const Address stack_limit(thread, JavaThread::stack_overflow_limit_offset()); |
1 | 543 |
|
544 |
// locals + overhead, in bytes |
|
1066 | 545 |
__ mov(rax, rdx); |
39390
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
546 |
__ shlptr(rax, Interpreter::logStackElementSize); // Convert parameter count to bytes. |
1066 | 547 |
__ addptr(rax, overhead_size); |
1 | 548 |
|
549 |
#ifdef ASSERT |
|
39390
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
550 |
Label limit_okay; |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
551 |
// Verify that thread stack overflow limit is non-zero. |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
552 |
__ cmpptr(stack_limit, (int32_t)NULL_WORD); |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
553 |
__ jcc(Assembler::notEqual, limit_okay); |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
554 |
__ stop("stack overflow limit is zero"); |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
555 |
__ bind(limit_okay); |
1 | 556 |
#endif |
557 |
||
39390
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
558 |
// Add locals/frame size to stack limit. |
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
559 |
__ addptr(rax, stack_limit); |
1 | 560 |
|
39390
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
561 |
// Check against the current stack bottom. |
1066 | 562 |
__ cmpptr(rsp, rax); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
563 |
|
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
564 |
__ jcc(Assembler::above, after_frame_check_pop); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
565 |
NOT_LP64(__ pop(rsi)); // get saved bcp |
1 | 566 |
|
11411 | 567 |
// Restore sender's sp as SP. This is necessary if the sender's |
568 |
// frame is an extended compiled frame (see gen_c2i_adapter()) |
|
569 |
// and safer anyway in case of JSR292 adaptations. |
|
570 |
||
571 |
__ pop(rax); // return address must be moved if SP is changed |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
572 |
__ mov(rsp, rbcp); |
11411 | 573 |
__ push(rax); |
574 |
||
575 |
// Note: the restored frame is not necessarily interpreted. |
|
576 |
// Use the shared runtime version of the StackOverflowError. |
|
577 |
assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); |
|
578 |
__ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
579 |
// all done with frame size check |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
580 |
__ bind(after_frame_check_pop); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
581 |
NOT_LP64(__ pop(rsi)); |
1 | 582 |
|
583 |
// all done with frame size check |
|
584 |
__ bind(after_frame_check); |
|
585 |
} |
|
586 |
||
587 |
// Allocate monitor and lock method (asm interpreter) |
|
588 |
// |
|
589 |
// Args: |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
590 |
// rbx: Method* |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
591 |
// r14/rdi: locals |
1 | 592 |
// |
593 |
// Kills: |
|
594 |
// rax |
|
595 |
// c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) |
|
596 |
// rscratch1, rscratch2 (scratch regs) |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
33070
diff
changeset
|
597 |
void TemplateInterpreterGenerator::lock_method() { |
1 | 598 |
// synchronize method |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
599 |
const Address access_flags(rbx, Method::access_flags_offset()); |
1 | 600 |
const Address monitor_block_top( |
601 |
rbp, |
|
602 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
603 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
|
604 |
||
605 |
#ifdef ASSERT |
|
606 |
{ |
|
607 |
Label L; |
|
608 |
__ movl(rax, access_flags); |
|
609 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
610 |
__ jcc(Assembler::notZero, L); |
|
611 |
__ stop("method doesn't need synchronization"); |
|
612 |
__ bind(L); |
|
613 |
} |
|
614 |
#endif // ASSERT |
|
615 |
||
616 |
// get synchronization object |
|
617 |
{ |
|
618 |
Label done; |
|
619 |
__ movl(rax, access_flags); |
|
620 |
__ testl(rax, JVM_ACC_STATIC); |
|
621 |
// get receiver (assume this is frequent case) |
|
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|
622 |
__ movptr(rax, Address(rlocals, Interpreter::local_offset_in_bytes(0))); |
1 | 623 |
__ jcc(Assembler::zero, done); |
38074
8475fdc6dcc3
8154580: Save mirror in interpreter frame to enable cleanups of CLDClosure
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37152
diff
changeset
|
624 |
__ load_mirror(rax, rbx); |
1 | 625 |
|
626 |
#ifdef ASSERT |
|
627 |
{ |
|
628 |
Label L; |
|
1066 | 629 |
__ testptr(rax, rax); |
1 | 630 |
__ jcc(Assembler::notZero, L); |
631 |
__ stop("synchronization object is NULL"); |
|
632 |
__ bind(L); |
|
633 |
} |
|
634 |
#endif // ASSERT |
|
635 |
||
636 |
__ bind(done); |
|
637 |
} |
|
638 |
||
639 |
// add space for monitor & lock |
|
1066 | 640 |
__ subptr(rsp, entry_size); // add space for a monitor entry |
641 |
__ movptr(monitor_block_top, rsp); // set new monitor block top |
|
1 | 642 |
// store object |
1066 | 643 |
__ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
34651
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changeset
|
644 |
const Register lockreg = NOT_LP64(rdx) LP64_ONLY(c_rarg1); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
645 |
__ movptr(lockreg, rsp); // object address |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
646 |
__ lock_object(lockreg); |
1 | 647 |
} |
648 |
||
649 |
// Generate a fixed interpreter frame. This is identical setup for |
|
650 |
// interpreted methods and for native methods hence the shared code. |
|
651 |
// |
|
652 |
// Args: |
|
653 |
// rax: return address |
|
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|
654 |
// rbx: Method* |
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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changeset
|
655 |
// r14/rdi: pointer to locals |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
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changeset
|
656 |
// r13/rsi: sender sp |
1 | 657 |
// rdx: cp cache |
658 |
void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { |
|
659 |
// initialize fixed part of activation frame |
|
1066 | 660 |
__ push(rax); // save return address |
1 | 661 |
__ enter(); // save old & set new rbp |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
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diff
changeset
|
662 |
__ push(rbcp); // set sender sp |
1066 | 663 |
__ push((int)NULL_WORD); // leave last_sp as null |
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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changeset
|
664 |
__ movptr(rbcp, Address(rbx, Method::const_offset())); // get ConstMethod* |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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changeset
|
665 |
__ lea(rbcp, Address(rbcp, ConstMethod::codes_offset())); // get codebase |
13728
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changeset
|
666 |
__ push(rbx); // save Method* |
38074
8475fdc6dcc3
8154580: Save mirror in interpreter frame to enable cleanups of CLDClosure
coleenp
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diff
changeset
|
667 |
// Get mirror and store it in the frame as GC root for this Method* |
8475fdc6dcc3
8154580: Save mirror in interpreter frame to enable cleanups of CLDClosure
coleenp
parents:
37152
diff
changeset
|
668 |
__ load_mirror(rdx, rbx); |
8475fdc6dcc3
8154580: Save mirror in interpreter frame to enable cleanups of CLDClosure
coleenp
parents:
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diff
changeset
|
669 |
__ push(rdx); |
1 | 670 |
if (ProfileInterpreter) { |
671 |
Label method_data_continue; |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
672 |
__ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
1066 | 673 |
__ testptr(rdx, rdx); |
1 | 674 |
__ jcc(Assembler::zero, method_data_continue); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
675 |
__ addptr(rdx, in_bytes(MethodData::data_offset())); |
1 | 676 |
__ bind(method_data_continue); |
1066 | 677 |
__ push(rdx); // set the mdp (method data pointer) |
1 | 678 |
} else { |
1066 | 679 |
__ push(0); |
1 | 680 |
} |
681 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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diff
changeset
|
682 |
__ movptr(rdx, Address(rbx, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
683 |
__ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
684 |
__ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
1066 | 685 |
__ push(rdx); // set constant pool cache |
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
686 |
__ push(rlocals); // set locals pointer |
1 | 687 |
if (native_call) { |
1066 | 688 |
__ push(0); // no bcp |
1 | 689 |
} else { |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
690 |
__ push(rbcp); // set bcp |
1 | 691 |
} |
1066 | 692 |
__ push(0); // reserve word for pointer to expression stack bottom |
693 |
__ movptr(Address(rsp, 0), rsp); // set expression stack bottom |
|
1 | 694 |
} |
695 |
||
696 |
// End of helpers |
|
697 |
||
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
698 |
// Method entry for java.lang.ref.Reference.get. |
35214 | 699 |
address TemplateInterpreterGenerator::generate_Reference_get_entry(void) { |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
700 |
// Code: _aload_0, _getfield, _areturn |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
701 |
// parameter size = 1 |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
702 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
703 |
// The code that gets generated by this routine is split into 2 parts: |
49748 | 704 |
// 1. The "intrinsified" code performing an ON_WEAK_OOP_REF load, |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
705 |
// 2. The slow path - which is an expansion of the regular method entry. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
706 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
707 |
// Notes:- |
49748 | 708 |
// * An intrinsic is always executed, where an ON_WEAK_OOP_REF load is performed. |
709 |
// * We may jump to the slow path iff the receiver is null. If the |
|
710 |
// Reference object is null then we no longer perform an ON_WEAK_OOP_REF load |
|
711 |
// Thus we can use the regular method entry code to generate the NPE. |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
712 |
// |
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
713 |
// rbx: Method* |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
714 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
715 |
// r13: senderSP must preserve for slow path, set SP to it on fast path |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
716 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
717 |
address entry = __ pc(); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
718 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
719 |
const int referent_offset = java_lang_ref_Reference::referent_offset; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
720 |
guarantee(referent_offset > 0, "referent offset not initialized"); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
721 |
|
49748 | 722 |
Label slow_path; |
723 |
// rbx: method |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
724 |
|
49748 | 725 |
// Check if local 0 != NULL |
726 |
// If the receiver is null then it is OK to jump to the slow path. |
|
727 |
__ movptr(rax, Address(rsp, wordSize)); |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
728 |
|
49748 | 729 |
__ testptr(rax, rax); |
730 |
__ jcc(Assembler::zero, slow_path); |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
731 |
|
49748 | 732 |
// rax: local 0 |
733 |
// rbx: method (but can be used as scratch now) |
|
734 |
// rdx: scratch |
|
735 |
// rdi: scratch |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
736 |
|
49748 | 737 |
// Preserve the sender sp in case the load barrier |
738 |
// calls the runtime |
|
739 |
NOT_LP64(__ push(rsi)); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
740 |
|
49748 | 741 |
// Load the value of the referent field. |
742 |
const Address field_address(rax, referent_offset); |
|
743 |
__ load_heap_oop(rax, field_address, /*tmp1*/ rbx, /*tmp_thread*/ rdx, ON_WEAK_OOP_REF); |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
744 |
|
49748 | 745 |
// _areturn |
746 |
const Register sender_sp = NOT_LP64(rsi) LP64_ONLY(r13); |
|
747 |
NOT_LP64(__ pop(rsi)); // get sender sp |
|
748 |
__ pop(rdi); // get return address |
|
749 |
__ mov(rsp, sender_sp); // set sp to sender sp |
|
750 |
__ jmp(rdi); |
|
751 |
__ ret(0); |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
752 |
|
49748 | 753 |
// generate a vanilla interpreter entry as the slow path |
754 |
__ bind(slow_path); |
|
755 |
__ jump_to_entry(Interpreter::entry_for_kind(Interpreter::zerolocals)); |
|
756 |
return entry; |
|
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
757 |
} |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
758 |
|
35479
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
759 |
void TemplateInterpreterGenerator::bang_stack_shadow_pages(bool native_call) { |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
760 |
// Quick & dirty stack overflow checking: bang the stack & handle trap. |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
761 |
// Note that we do the banging after the frame is setup, since the exception |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
762 |
// handling code expects to find a valid interpreter frame on the stack. |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
763 |
// Doing the banging earlier fails if the caller frame is not an interpreter |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
764 |
// frame. |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
765 |
// (Also, the exception throwing code expects to unlock any synchronized |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
766 |
// method receiever, so do the banging after locking the receiver.) |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
767 |
|
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
768 |
// Bang each page in the shadow zone. We can't assume it's been done for |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
769 |
// an interpreter frame with greater than a page of locals, so each page |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
770 |
// needs to be checked. Only true for non-native. |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
771 |
if (UseStackBanging) { |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
772 |
const int page_size = os::vm_page_size(); |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
773 |
const int n_shadow_pages = ((int)JavaThread::stack_shadow_zone_size()) / page_size; |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
774 |
const int start_page = native_call ? n_shadow_pages : 1; |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
775 |
for (int pages = start_page; pages <= n_shadow_pages; pages++) { |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
776 |
__ bang_stack_with_offset(pages*page_size); |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
777 |
} |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
778 |
} |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
779 |
} |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
780 |
|
1 | 781 |
// Interpreter stub for calling a native method. (asm interpreter) |
782 |
// This sets up a somewhat different looking stack for calling the |
|
783 |
// native method than the typical interpreter frame setup. |
|
35214 | 784 |
address TemplateInterpreterGenerator::generate_native_entry(bool synchronized) { |
1 | 785 |
// determine code generation flags |
31790 | 786 |
bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods; |
1 | 787 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
788 |
// rbx: Method* |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
789 |
// rbcp: sender sp |
1 | 790 |
|
791 |
address entry_point = __ pc(); |
|
792 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
793 |
const Address constMethod (rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
794 |
const Address access_flags (rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
795 |
const Address size_of_parameters(rcx, ConstMethod:: |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
796 |
size_of_parameters_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
797 |
|
1 | 798 |
|
799 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
800 |
__ movptr(rcx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
801 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 802 |
|
803 |
// native calls don't need the stack size check since they have no |
|
804 |
// expression stack and the arguments are already on the stack and |
|
805 |
// we only add a handful of words to the stack |
|
806 |
||
13728
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diff
changeset
|
807 |
// rbx: Method* |
1 | 808 |
// rcx: size of parameters |
34651
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changeset
|
809 |
// rbcp: sender sp |
1066 | 810 |
__ pop(rax); // get return address |
1 | 811 |
|
812 |
// for natives the size of locals is zero |
|
813 |
||
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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changeset
|
814 |
// compute beginning of parameters |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
815 |
__ lea(rlocals, Address(rsp, rcx, Interpreter::stackElementScale(), -wordSize)); |
1 | 816 |
|
817 |
// add 2 zero-initialized slots for native calls |
|
818 |
// initialize result_handler slot |
|
1066 | 819 |
__ push((int) NULL_WORD); |
1 | 820 |
// slot for oop temp |
821 |
// (static native method holder mirror/jni oop result) |
|
1066 | 822 |
__ push((int) NULL_WORD); |
1 | 823 |
|
824 |
// initialize fixed part of activation frame |
|
825 |
generate_fixed_frame(true); |
|
826 |
||
827 |
// make sure method is native & not abstract |
|
828 |
#ifdef ASSERT |
|
829 |
__ movl(rax, access_flags); |
|
830 |
{ |
|
831 |
Label L; |
|
832 |
__ testl(rax, JVM_ACC_NATIVE); |
|
833 |
__ jcc(Assembler::notZero, L); |
|
834 |
__ stop("tried to execute non-native method as native"); |
|
835 |
__ bind(L); |
|
836 |
} |
|
837 |
{ |
|
838 |
Label L; |
|
839 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
840 |
__ jcc(Assembler::zero, L); |
|
841 |
__ stop("tried to execute abstract method in interpreter"); |
|
842 |
__ bind(L); |
|
843 |
} |
|
844 |
#endif |
|
845 |
||
846 |
// Since at this point in the method invocation the exception handler |
|
847 |
// would try to exit the monitor of synchronized methods which hasn't |
|
848 |
// been entered yet, we set the thread local variable |
|
849 |
// _do_not_unlock_if_synchronized to true. The remove_activation will |
|
850 |
// check this flag. |
|
851 |
||
34651
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diff
changeset
|
852 |
const Register thread1 = NOT_LP64(rax) LP64_ONLY(r15_thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
853 |
NOT_LP64(__ get_thread(thread1)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
854 |
const Address do_not_unlock_if_synchronized(thread1, |
1 | 855 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
856 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
857 |
||
858 |
// increment invocation count & check for overflow |
|
859 |
Label invocation_counter_overflow; |
|
860 |
if (inc_counter) { |
|
861 |
generate_counter_incr(&invocation_counter_overflow, NULL, NULL); |
|
862 |
} |
|
863 |
||
864 |
Label continue_after_compile; |
|
865 |
__ bind(continue_after_compile); |
|
866 |
||
867 |
bang_stack_shadow_pages(true); |
|
868 |
||
869 |
// reset the _do_not_unlock_if_synchronized flag |
|
34651
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diff
changeset
|
870 |
NOT_LP64(__ get_thread(thread1)); |
1 | 871 |
__ movbool(do_not_unlock_if_synchronized, false); |
872 |
||
873 |
// check for synchronized methods |
|
874 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
875 |
// so method is not locked if overflows. |
|
876 |
if (synchronized) { |
|
877 |
lock_method(); |
|
878 |
} else { |
|
879 |
// no synchronization necessary |
|
880 |
#ifdef ASSERT |
|
881 |
{ |
|
882 |
Label L; |
|
883 |
__ movl(rax, access_flags); |
|
884 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
885 |
__ jcc(Assembler::zero, L); |
|
886 |
__ stop("method needs synchronization"); |
|
887 |
__ bind(L); |
|
888 |
} |
|
889 |
#endif |
|
890 |
} |
|
891 |
||
892 |
// start execution |
|
893 |
#ifdef ASSERT |
|
894 |
{ |
|
895 |
Label L; |
|
896 |
const Address monitor_block_top(rbp, |
|
897 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 898 |
__ movptr(rax, monitor_block_top); |
899 |
__ cmpptr(rax, rsp); |
|
1 | 900 |
__ jcc(Assembler::equal, L); |
901 |
__ stop("broken stack frame setup in interpreter"); |
|
902 |
__ bind(L); |
|
903 |
} |
|
904 |
#endif |
|
905 |
||
906 |
// jvmti support |
|
907 |
__ notify_method_entry(); |
|
908 |
||
909 |
// work registers |
|
910 |
const Register method = rbx; |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
911 |
const Register thread = NOT_LP64(rdi) LP64_ONLY(r15_thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
912 |
const Register t = NOT_LP64(rcx) LP64_ONLY(r11); |
1 | 913 |
|
914 |
// allocate space for parameters |
|
915 |
__ get_method(method); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
916 |
__ movptr(t, Address(method, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
917 |
__ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
918 |
|
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
919 |
#ifndef _LP64 |
39390
edf6a424a8b7
8159335: Fix problems with stack overflow handling.
goetz
parents:
38074
diff
changeset
|
920 |
__ shlptr(t, Interpreter::logStackElementSize); // Convert parameter count to bytes. |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
921 |
__ addptr(t, 2*wordSize); // allocate two more slots for JNIEnv and possible mirror |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
922 |
__ subptr(rsp, t); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
923 |
__ andptr(rsp, -(StackAlignmentInBytes)); // gcc needs 16 byte aligned stacks to do XMM intrinsics |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
924 |
#else |
5419 | 925 |
__ shll(t, Interpreter::logStackElementSize); |
1 | 926 |
|
1066 | 927 |
__ subptr(rsp, t); |
928 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
|
2131 | 929 |
__ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
930 |
#endif // _LP64 |
1 | 931 |
|
932 |
// get signature handler |
|
933 |
{ |
|
934 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
935 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1066 | 936 |
__ testptr(t, t); |
1 | 937 |
__ jcc(Assembler::notZero, L); |
938 |
__ call_VM(noreg, |
|
939 |
CAST_FROM_FN_PTR(address, |
|
940 |
InterpreterRuntime::prepare_native_call), |
|
941 |
method); |
|
942 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
943 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1 | 944 |
__ bind(L); |
945 |
} |
|
946 |
||
947 |
// call signature handler |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
948 |
assert(InterpreterRuntime::SignatureHandlerGenerator::from() == rlocals, |
1 | 949 |
"adjust this code"); |
950 |
assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, |
|
951 |
"adjust this code"); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
952 |
assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == NOT_LP64(t) LP64_ONLY(rscratch1), |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
953 |
"adjust this code"); |
1 | 954 |
|
955 |
// The generated handlers do not touch RBX (the method oop). |
|
956 |
// However, large signatures cannot be cached and are generated |
|
957 |
// each time here. The slow-path generator can do a GC on return, |
|
958 |
// so we must reload it after the call. |
|
959 |
__ call(t); |
|
960 |
__ get_method(method); // slow path can do a GC, reload RBX |
|
961 |
||
962 |
||
963 |
// result handler is in rax |
|
964 |
// set result handler |
|
1066 | 965 |
__ movptr(Address(rbp, |
966 |
(frame::interpreter_frame_result_handler_offset) * wordSize), |
|
967 |
rax); |
|
1 | 968 |
|
969 |
// pass mirror handle if static call |
|
970 |
{ |
|
971 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
972 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 973 |
__ testl(t, JVM_ACC_STATIC); |
974 |
__ jcc(Assembler::zero, L); |
|
975 |
// get mirror |
|
50157
bd198a98f3c5
8202978: Incorrect tmp register passed to MacroAssembler::load_mirror()
pliden
parents:
50094
diff
changeset
|
976 |
__ load_mirror(t, method, rax); |
1 | 977 |
// copy mirror into activation frame |
1066 | 978 |
__ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
1 | 979 |
t); |
980 |
// pass handle to mirror |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
981 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
982 |
__ lea(t, Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
983 |
__ movptr(Address(rsp, wordSize), t); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
984 |
#else |
1066 | 985 |
__ lea(c_rarg1, |
986 |
Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
987 |
#endif // _LP64 |
1 | 988 |
__ bind(L); |
989 |
} |
|
990 |
||
991 |
// get native function entry point |
|
992 |
{ |
|
993 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
994 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 995 |
ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
996 |
__ cmpptr(rax, unsatisfied.addr()); |
1 | 997 |
__ jcc(Assembler::notEqual, L); |
998 |
__ call_VM(noreg, |
|
999 |
CAST_FROM_FN_PTR(address, |
|
1000 |
InterpreterRuntime::prepare_native_call), |
|
1001 |
method); |
|
1002 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1003 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 1004 |
__ bind(L); |
1005 |
} |
|
1006 |
||
1007 |
// pass JNIEnv |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1008 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1009 |
__ get_thread(thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1010 |
__ lea(t, Address(thread, JavaThread::jni_environment_offset())); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1011 |
__ movptr(Address(rsp, 0), t); |
1 | 1012 |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1013 |
// set_last_Java_frame_before_call |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1014 |
// It is enough that the pc() |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1015 |
// points into the right code segment. It does not have to be the correct return pc. |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1016 |
__ set_last_Java_frame(thread, noreg, rbp, __ pc()); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1017 |
#else |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1018 |
__ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1019 |
|
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1020 |
// It is enough that the pc() points into the right code |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1021 |
// segment. It does not have to be the correct return pc. |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1022 |
__ set_last_Java_frame(rsp, rbp, (address) __ pc()); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1023 |
#endif // _LP64 |
1 | 1024 |
|
1025 |
// change thread state |
|
1026 |
#ifdef ASSERT |
|
1027 |
{ |
|
1028 |
Label L; |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1029 |
__ movl(t, Address(thread, JavaThread::thread_state_offset())); |
1 | 1030 |
__ cmpl(t, _thread_in_Java); |
1031 |
__ jcc(Assembler::equal, L); |
|
1032 |
__ stop("Wrong thread state in native stub"); |
|
1033 |
__ bind(L); |
|
1034 |
} |
|
1035 |
#endif |
|
1036 |
||
1037 |
// Change state to native |
|
1038 |
||
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1039 |
__ movl(Address(thread, JavaThread::thread_state_offset()), |
1 | 1040 |
_thread_in_native); |
1041 |
||
1042 |
// Call the native method. |
|
1043 |
__ call(rax); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1044 |
// 32: result potentially in rdx:rax or ST0 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1045 |
// 64: result potentially in rax or xmm0 |
1 | 1046 |
|
16624
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1047 |
// Verify or restore cpu control state after JNI call |
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1048 |
__ restore_cpu_control_state_after_jni(); |
1 | 1049 |
|
1050 |
// NOTE: The order of these pushes is known to frame::interpreter_frame_result |
|
1051 |
// in order to extract the result of a method call. If the order of these |
|
1052 |
// pushes change or anything else is added to the stack then the code in |
|
1053 |
// interpreter_frame_result must also change. |
|
1054 |
||
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1055 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1056 |
// save potential result in ST(0) & rdx:rax |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1057 |
// (if result handler is the T_FLOAT or T_DOUBLE handler, result must be in ST0 - |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1058 |
// the check is necessary to avoid potential Intel FPU overflow problems by saving/restoring 'empty' FPU registers) |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1059 |
// It is safe to do this push because state is _thread_in_native and return address will be found |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1060 |
// via _last_native_pc and not via _last_jave_sp |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1061 |
|
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1062 |
// NOTE: the order of theses push(es) is known to frame::interpreter_frame_result. |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1063 |
// If the order changes or anything else is added to the stack the code in |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1064 |
// interpreter_frame_result will have to be changed. |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1065 |
|
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1066 |
{ Label L; |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1067 |
Label push_double; |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1068 |
ExternalAddress float_handler(AbstractInterpreter::result_handler(T_FLOAT)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1069 |
ExternalAddress double_handler(AbstractInterpreter::result_handler(T_DOUBLE)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1070 |
__ cmpptr(Address(rbp, (frame::interpreter_frame_oop_temp_offset + 1)*wordSize), |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1071 |
float_handler.addr()); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1072 |
__ jcc(Assembler::equal, push_double); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1073 |
__ cmpptr(Address(rbp, (frame::interpreter_frame_oop_temp_offset + 1)*wordSize), |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1074 |
double_handler.addr()); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1075 |
__ jcc(Assembler::notEqual, L); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1076 |
__ bind(push_double); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1077 |
__ push_d(); // FP values are returned using the FPU, so push FPU contents (even if UseSSE > 0). |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1078 |
__ bind(L); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1079 |
} |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1080 |
#else |
1 | 1081 |
__ push(dtos); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1082 |
#endif // _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1083 |
|
1 | 1084 |
__ push(ltos); |
1085 |
||
1086 |
// change thread state |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1087 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1088 |
__ movl(Address(thread, JavaThread::thread_state_offset()), |
1 | 1089 |
_thread_in_native_trans); |
1090 |
||
1091 |
if (os::is_MP()) { |
|
1092 |
if (UseMembar) { |
|
1093 |
// Force this write out before the read below |
|
1094 |
__ membar(Assembler::Membar_mask_bits( |
|
1095 |
Assembler::LoadLoad | Assembler::LoadStore | |
|
1096 |
Assembler::StoreLoad | Assembler::StoreStore)); |
|
1097 |
} else { |
|
1098 |
// Write serialization page so VM thread can do a pseudo remote membar. |
|
1099 |
// We use the current thread pointer to calculate a thread specific |
|
1100 |
// offset to write to within the page. This minimizes bus traffic |
|
1101 |
// due to cache line collision. |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1102 |
__ serialize_memory(thread, rcx); |
1 | 1103 |
} |
1104 |
} |
|
1105 |
||
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1106 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
1107 |
if (AlwaysRestoreFPU) { |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1108 |
// Make sure the control word is correct. |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1109 |
__ fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std())); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1110 |
} |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1111 |
#endif // _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1112 |
|
1 | 1113 |
// check for safepoint operation in progress and/or pending suspend requests |
1114 |
{ |
|
1115 |
Label Continue; |
|
47881
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47823
diff
changeset
|
1116 |
Label slow_path; |
1 | 1117 |
|
47881
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47823
diff
changeset
|
1118 |
#ifndef _LP64 |
49027
8dc742d9bbab
8195112: x86 (32 bit): implementation for Thread-local handshakes
mdoerr
parents:
47916
diff
changeset
|
1119 |
__ safepoint_poll(slow_path, thread, noreg); |
47881
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47823
diff
changeset
|
1120 |
#else |
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47823
diff
changeset
|
1121 |
__ safepoint_poll(slow_path, r15_thread, rscratch1); |
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47823
diff
changeset
|
1122 |
#endif |
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47823
diff
changeset
|
1123 |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1124 |
__ cmpl(Address(thread, JavaThread::suspend_flags_offset()), 0); |
1 | 1125 |
__ jcc(Assembler::equal, Continue); |
47881
0ce0ac68ace7
8189941: Implementation JEP 312: Thread-local handshake
rehn
parents:
47823
diff
changeset
|
1126 |
__ bind(slow_path); |
1 | 1127 |
|
1128 |
// Don't use call_VM as it will see a possible pending exception |
|
1129 |
// and forward it and never return here preventing us from |
|
1130 |
// clearing _last_native_pc down below. Also can't use |
|
1131 |
// call_VM_leaf either as it will check to see if r13 & r14 are |
|
1132 |
// preserved and correspond to the bcp/locals pointers. So we do a |
|
1133 |
// runtime call by hand. |
|
1134 |
// |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1135 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1136 |
__ push(thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1137 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1138 |
JavaThread::check_special_condition_for_native_trans))); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1139 |
__ increment(rsp, wordSize); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1140 |
__ get_thread(thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1141 |
#else |
1066 | 1142 |
__ mov(c_rarg0, r15_thread); |
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
7397
diff
changeset
|
1143 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1144 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1145 |
__ andptr(rsp, -16); // align stack as required by ABI |
|
1 | 1146 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
1066 | 1147 |
__ mov(rsp, r12); // restore sp |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1148 |
__ reinit_heapbase(); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1149 |
#endif // _LP64 |
1 | 1150 |
__ bind(Continue); |
1151 |
} |
|
1152 |
||
1153 |
// change thread state |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1154 |
__ movl(Address(thread, JavaThread::thread_state_offset()), _thread_in_Java); |
1 | 1155 |
|
1156 |
// reset_last_Java_frame |
|
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
39390
diff
changeset
|
1157 |
__ reset_last_Java_frame(thread, true); |
1 | 1158 |
|
41084
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
1159 |
if (CheckJNICalls) { |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
1160 |
// clear_pending_jni_exception_check |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
1161 |
__ movptr(Address(thread, JavaThread::pending_jni_exception_check_fn_offset()), NULL_WORD); |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
1162 |
} |
fc5db29fa08e
8164086: Checked JNI pending exception check should be cleared when returning to Java frame
dsimms
parents:
40644
diff
changeset
|
1163 |
|
1 | 1164 |
// reset handle block |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1165 |
__ movptr(t, Address(thread, JavaThread::active_handles_offset())); |
23844
0c29a324ae14
8039146: Fix 64-bit store to int JNIHandleBlock::_top
goetz
parents:
21198
diff
changeset
|
1166 |
__ movl(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); |
1 | 1167 |
|
1168 |
// If result is an oop unbox and store it in frame where gc will see it |
|
1169 |
// and result handler will pick it up |
|
1170 |
||
1171 |
{ |
|
44406
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
1172 |
Label no_oop, not_weak, store_result; |
1 | 1173 |
__ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); |
1066 | 1174 |
__ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
1 | 1175 |
__ jcc(Assembler::notEqual, no_oop); |
1176 |
// retrieve result |
|
1177 |
__ pop(ltos); |
|
44406
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
1178 |
// Unbox oop result, e.g. JNIHandles::resolve value. |
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
1179 |
__ resolve_jobject(rax /* value */, |
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
1180 |
thread /* thread */, |
a46a6c4d1dd9
8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
mgerdin
parents:
44093
diff
changeset
|
1181 |
t /* tmp */); |
1066 | 1182 |
__ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1183 |
// keep stack depth as expected by pushing oop which will eventually be discarded |
1 | 1184 |
__ push(ltos); |
1185 |
__ bind(no_oop); |
|
1186 |
} |
|
1187 |
||
1188 |
||
1189 |
{ |
|
1190 |
Label no_reguard; |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1191 |
__ cmpl(Address(thread, JavaThread::stack_guard_state_offset()), |
35201
996db89f378e
8139864: Improve handling of stack protection zones.
goetz
parents:
35071
diff
changeset
|
1192 |
JavaThread::stack_guard_yellow_reserved_disabled); |
1 | 1193 |
__ jcc(Assembler::notEqual, no_reguard); |
1194 |
||
1066 | 1195 |
__ pusha(); // XXX only save smashed registers |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1196 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1197 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1198 |
__ popa(); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1199 |
#else |
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
7397
diff
changeset
|
1200 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1201 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1202 |
__ andptr(rsp, -16); // align stack as required by ABI |
|
1 | 1203 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
1066 | 1204 |
__ mov(rsp, r12); // restore sp |
1205 |
__ popa(); // XXX only restore smashed registers |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1206 |
__ reinit_heapbase(); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1207 |
#endif // _LP64 |
1 | 1208 |
|
1209 |
__ bind(no_reguard); |
|
1210 |
} |
|
1211 |
||
1212 |
||
1213 |
// The method register is junk from after the thread_in_native transition |
|
1214 |
// until here. Also can't call_VM until the bcp has been |
|
1215 |
// restored. Need bcp for throwing exception below so get it now. |
|
1216 |
__ get_method(method); |
|
1217 |
||
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1218 |
// restore to have legal interpreter frame, i.e., bci == 0 <=> code_base() |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1219 |
__ movptr(rbcp, Address(method, Method::const_offset())); // get ConstMethod* |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1220 |
__ lea(rbcp, Address(rbcp, ConstMethod::codes_offset())); // get codebase |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1221 |
|
1 | 1222 |
// handle exceptions (exception handling will handle unlocking!) |
1223 |
{ |
|
1224 |
Label L; |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1225 |
__ cmpptr(Address(thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
1 | 1226 |
__ jcc(Assembler::zero, L); |
1227 |
// Note: At some point we may want to unify this with the code |
|
1228 |
// used in call_VM_base(); i.e., we should use the |
|
1229 |
// StubRoutines::forward_exception code. For now this doesn't work |
|
1230 |
// here because the rsp is not correctly set at this point. |
|
1231 |
__ MacroAssembler::call_VM(noreg, |
|
1232 |
CAST_FROM_FN_PTR(address, |
|
1233 |
InterpreterRuntime::throw_pending_exception)); |
|
1234 |
__ should_not_reach_here(); |
|
1235 |
__ bind(L); |
|
1236 |
} |
|
1237 |
||
1238 |
// do unlocking if necessary |
|
1239 |
{ |
|
1240 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1241 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 1242 |
__ testl(t, JVM_ACC_SYNCHRONIZED); |
1243 |
__ jcc(Assembler::zero, L); |
|
1244 |
// the code below should be shared with interpreter macro |
|
1245 |
// assembler implementation |
|
1246 |
{ |
|
1247 |
Label unlock; |
|
1248 |
// BasicObjectLock will be first in list, since this is a |
|
1249 |
// synchronized method. However, need to check that the object |
|
1250 |
// has not been unlocked by an explicit monitorexit bytecode. |
|
1251 |
const Address monitor(rbp, |
|
1252 |
(intptr_t)(frame::interpreter_frame_initial_sp_offset * |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1253 |
wordSize - (int)sizeof(BasicObjectLock))); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1254 |
|
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1255 |
const Register regmon = NOT_LP64(rdx) LP64_ONLY(c_rarg1); |
1 | 1256 |
|
1257 |
// monitor expect in c_rarg1 for slow unlock path |
|
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
1258 |
__ lea(regmon, monitor); // address of first monitor |
1 | 1259 |
|
34651
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diff
changeset
|
1260 |
__ movptr(t, Address(regmon, BasicObjectLock::obj_offset_in_bytes())); |
1066 | 1261 |
__ testptr(t, t); |
1 | 1262 |
__ jcc(Assembler::notZero, unlock); |
1263 |
||
1264 |
// Entry already unlocked, need to throw exception |
|
1265 |
__ MacroAssembler::call_VM(noreg, |
|
1266 |
CAST_FROM_FN_PTR(address, |
|
1267 |
InterpreterRuntime::throw_illegal_monitor_state_exception)); |
|
1268 |
__ should_not_reach_here(); |
|
1269 |
||
1270 |
__ bind(unlock); |
|
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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diff
changeset
|
1271 |
__ unlock_object(regmon); |
1 | 1272 |
} |
1273 |
__ bind(L); |
|
1274 |
} |
|
1275 |
||
1276 |
// jvmti support |
|
1277 |
// Note: This must happen _after_ handling/throwing any exceptions since |
|
1278 |
// the exception handler code notifies the runtime of method exits |
|
1279 |
// too. If this happens before, method entry/exit notifications are |
|
1280 |
// not properly paired (was bug - gri 11/22/99). |
|
1281 |
__ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); |
|
1282 |
||
1283 |
// restore potential result in edx:eax, call result handler to |
|
1284 |
// restore potential result in ST0 & handle result |
|
1285 |
||
1286 |
__ pop(ltos); |
|
34651
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diff
changeset
|
1287 |
LP64_ONLY( __ pop(dtos)); |
1 | 1288 |
|
1066 | 1289 |
__ movptr(t, Address(rbp, |
1290 |
(frame::interpreter_frame_result_handler_offset) * wordSize)); |
|
1 | 1291 |
__ call(t); |
1292 |
||
1293 |
// remove activation |
|
1066 | 1294 |
__ movptr(t, Address(rbp, |
1295 |
frame::interpreter_frame_sender_sp_offset * |
|
1296 |
wordSize)); // get sender sp |
|
1 | 1297 |
__ leave(); // remove frame anchor |
1066 | 1298 |
__ pop(rdi); // get return address |
1299 |
__ mov(rsp, t); // set sp to sender sp |
|
1 | 1300 |
__ jmp(rdi); |
1301 |
||
1302 |
if (inc_counter) { |
|
1303 |
// Handle overflow of counter and compile method |
|
1304 |
__ bind(invocation_counter_overflow); |
|
35214 | 1305 |
generate_counter_overflow(continue_after_compile); |
1 | 1306 |
} |
1307 |
||
1308 |
return entry_point; |
|
1309 |
} |
|
1310 |
||
35479
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8146410: Interpreter functions are declared and defined in the wrong files
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changeset
|
1311 |
// Abstract method entry |
62c12ca7a45e
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diff
changeset
|
1312 |
// Attempt to execute abstract method. Throw exception |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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changeset
|
1313 |
address TemplateInterpreterGenerator::generate_abstract_entry(void) { |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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changeset
|
1314 |
|
62c12ca7a45e
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changeset
|
1315 |
address entry_point = __ pc(); |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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diff
changeset
|
1316 |
|
62c12ca7a45e
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diff
changeset
|
1317 |
// abstract method entry |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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diff
changeset
|
1318 |
|
62c12ca7a45e
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changeset
|
1319 |
// pop return address, reset last_sp to NULL |
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changeset
|
1320 |
__ empty_expression_stack(); |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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diff
changeset
|
1321 |
__ restore_bcp(); // rsi must be correct for exception handler (was destroyed) |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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diff
changeset
|
1322 |
__ restore_locals(); // make sure locals pointer is correct as well (was destroyed) |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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changeset
|
1323 |
|
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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parents:
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diff
changeset
|
1324 |
// throw exception |
49368
2ed1c37df3a5
8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
goetz
parents:
49027
diff
changeset
|
1325 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodErrorWithMethod), rbx); |
35479
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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parents:
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diff
changeset
|
1326 |
// the call_VM checks for exception, so we should never return here. |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
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diff
changeset
|
1327 |
__ should_not_reach_here(); |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
1328 |
|
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
1329 |
return entry_point; |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
1330 |
} |
62c12ca7a45e
8146410: Interpreter functions are declared and defined in the wrong files
coleenp
parents:
35214
diff
changeset
|
1331 |
|
1 | 1332 |
// |
1333 |
// Generic interpreted method entry to (asm) interpreter |
|
1334 |
// |
|
35214 | 1335 |
address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) { |
1 | 1336 |
// determine code generation flags |
31790 | 1337 |
bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods; |
1 | 1338 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1339 |
// ebx: Method* |
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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changeset
|
1340 |
// rbcp: sender sp |
1 | 1341 |
address entry_point = __ pc(); |
1342 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1343 |
const Address constMethod(rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1344 |
const Address access_flags(rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1345 |
const Address size_of_parameters(rdx, |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1346 |
ConstMethod::size_of_parameters_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1347 |
const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1348 |
|
1 | 1349 |
|
1350 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1351 |
__ movptr(rdx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
1352 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 1353 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1354 |
// rbx: Method* |
1 | 1355 |
// rcx: size of parameters |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1356 |
// rbcp: sender_sp (could differ from sp+wordSize if we were called via c2i ) |
1 | 1357 |
|
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
1358 |
__ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
1 | 1359 |
__ subl(rdx, rcx); // rdx = no. of additional locals |
1360 |
||
1361 |
// YYY |
|
1362 |
// __ incrementl(rdx); |
|
1363 |
// __ andl(rdx, -2); |
|
1364 |
||
1365 |
// see if we've got enough room on the stack for locals plus overhead. |
|
1366 |
generate_stack_overflow_check(); |
|
1367 |
||
1368 |
// get return address |
|
1066 | 1369 |
__ pop(rax); |
1 | 1370 |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1371 |
// compute beginning of parameters |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1372 |
__ lea(rlocals, Address(rsp, rcx, Interpreter::stackElementScale(), -wordSize)); |
1 | 1373 |
|
1374 |
// rdx - # of additional locals |
|
1375 |
// allocate space for locals |
|
1376 |
// explicitly initialize locals |
|
1377 |
{ |
|
1378 |
Label exit, loop; |
|
1379 |
__ testl(rdx, rdx); |
|
1380 |
__ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 |
|
1381 |
__ bind(loop); |
|
1066 | 1382 |
__ push((int) NULL_WORD); // initialize local variables |
1 | 1383 |
__ decrementl(rdx); // until everything initialized |
1384 |
__ jcc(Assembler::greater, loop); |
|
1385 |
__ bind(exit); |
|
1386 |
} |
|
1387 |
||
1388 |
// initialize fixed part of activation frame |
|
1389 |
generate_fixed_frame(false); |
|
1390 |
||
1391 |
// make sure method is not native & not abstract |
|
1392 |
#ifdef ASSERT |
|
1393 |
__ movl(rax, access_flags); |
|
1394 |
{ |
|
1395 |
Label L; |
|
1396 |
__ testl(rax, JVM_ACC_NATIVE); |
|
1397 |
__ jcc(Assembler::zero, L); |
|
1398 |
__ stop("tried to execute native method as non-native"); |
|
1399 |
__ bind(L); |
|
1400 |
} |
|
1401 |
{ |
|
1402 |
Label L; |
|
1403 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
1404 |
__ jcc(Assembler::zero, L); |
|
1405 |
__ stop("tried to execute abstract method in interpreter"); |
|
1406 |
__ bind(L); |
|
1407 |
} |
|
1408 |
#endif |
|
1409 |
||
1410 |
// Since at this point in the method invocation the exception |
|
1411 |
// handler would try to exit the monitor of synchronized methods |
|
1412 |
// which hasn't been entered yet, we set the thread local variable |
|
1413 |
// _do_not_unlock_if_synchronized to true. The remove_activation |
|
1414 |
// will check this flag. |
|
1415 |
||
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1416 |
const Register thread = NOT_LP64(rax) LP64_ONLY(r15_thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1417 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1418 |
const Address do_not_unlock_if_synchronized(thread, |
1 | 1419 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
1420 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
1421 |
||
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1422 |
__ profile_parameters_type(rax, rcx, rdx); |
1 | 1423 |
// increment invocation count & check for overflow |
1424 |
Label invocation_counter_overflow; |
|
1425 |
Label profile_method; |
|
1426 |
Label profile_method_continue; |
|
1427 |
if (inc_counter) { |
|
1428 |
generate_counter_incr(&invocation_counter_overflow, |
|
1429 |
&profile_method, |
|
1430 |
&profile_method_continue); |
|
1431 |
if (ProfileInterpreter) { |
|
1432 |
__ bind(profile_method_continue); |
|
1433 |
} |
|
1434 |
} |
|
1435 |
||
1436 |
Label continue_after_compile; |
|
1437 |
__ bind(continue_after_compile); |
|
1438 |
||
1439 |
// check for synchronized interpreted methods |
|
1440 |
bang_stack_shadow_pages(false); |
|
1441 |
||
1442 |
// reset the _do_not_unlock_if_synchronized flag |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1443 |
NOT_LP64(__ get_thread(thread)); |
1 | 1444 |
__ movbool(do_not_unlock_if_synchronized, false); |
1445 |
||
1446 |
// check for synchronized methods |
|
1447 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
1448 |
// so method is not locked if overflows. |
|
1449 |
if (synchronized) { |
|
1450 |
// Allocate monitor and lock method |
|
1451 |
lock_method(); |
|
1452 |
} else { |
|
1453 |
// no synchronization necessary |
|
1454 |
#ifdef ASSERT |
|
1455 |
{ |
|
1456 |
Label L; |
|
1457 |
__ movl(rax, access_flags); |
|
1458 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
1459 |
__ jcc(Assembler::zero, L); |
|
1460 |
__ stop("method needs synchronization"); |
|
1461 |
__ bind(L); |
|
1462 |
} |
|
1463 |
#endif |
|
1464 |
} |
|
1465 |
||
1466 |
// start execution |
|
1467 |
#ifdef ASSERT |
|
1468 |
{ |
|
1469 |
Label L; |
|
1470 |
const Address monitor_block_top (rbp, |
|
1471 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 1472 |
__ movptr(rax, monitor_block_top); |
1473 |
__ cmpptr(rax, rsp); |
|
1 | 1474 |
__ jcc(Assembler::equal, L); |
1475 |
__ stop("broken stack frame setup in interpreter"); |
|
1476 |
__ bind(L); |
|
1477 |
} |
|
1478 |
#endif |
|
1479 |
||
1480 |
// jvmti support |
|
1481 |
__ notify_method_entry(); |
|
1482 |
||
1483 |
__ dispatch_next(vtos); |
|
1484 |
||
1485 |
// invocation counter overflow |
|
1486 |
if (inc_counter) { |
|
1487 |
if (ProfileInterpreter) { |
|
1488 |
// We have decided to profile this method in the interpreter |
|
1489 |
__ bind(profile_method); |
|
7889
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7401
diff
changeset
|
1490 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7401
diff
changeset
|
1491 |
__ set_method_data_pointer_for_bcp(); |
7912
6d73dee171ea
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
7889
diff
changeset
|
1492 |
__ get_method(rbx); |
1 | 1493 |
__ jmp(profile_method_continue); |
1494 |
} |
|
1495 |
// Handle overflow of counter and compile method |
|
1496 |
__ bind(invocation_counter_overflow); |
|
35214 | 1497 |
generate_counter_overflow(continue_after_compile); |
1 | 1498 |
} |
1499 |
||
1500 |
return entry_point; |
|
1501 |
} |
|
1502 |
||
1503 |
//----------------------------------------------------------------------------- |
|
1504 |
// Exceptions |
|
1505 |
||
1506 |
void TemplateInterpreterGenerator::generate_throw_exception() { |
|
1507 |
// Entry point in previous activation (i.e., if the caller was |
|
1508 |
// interpreted) |
|
1509 |
Interpreter::_rethrow_exception_entry = __ pc(); |
|
1510 |
// Restore sp to interpreter_frame_last_sp even though we are going |
|
1511 |
// to empty the expression stack for the exception processing. |
|
1066 | 1512 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 1513 |
// rax: exception |
1514 |
// rdx: return address/pc that threw exception |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1515 |
__ restore_bcp(); // r13/rsi points to call/send |
1 | 1516 |
__ restore_locals(); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1517 |
LP64_ONLY(__ reinit_heapbase()); // restore r12 as heapbase. |
1 | 1518 |
// Entry point for exceptions thrown within interpreter code |
1519 |
Interpreter::_throw_exception_entry = __ pc(); |
|
1520 |
// expression stack is undefined here |
|
1521 |
// rax: exception |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1522 |
// r13/rsi: exception bcp |
1 | 1523 |
__ verify_oop(rax); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1524 |
Register rarg = NOT_LP64(rax) LP64_ONLY(c_rarg1); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1525 |
LP64_ONLY(__ mov(c_rarg1, rax)); |
1 | 1526 |
|
1527 |
// expression stack must be empty before entering the VM in case of |
|
1528 |
// an exception |
|
1529 |
__ empty_expression_stack(); |
|
1530 |
// find exception handler address and preserve exception oop |
|
1531 |
__ call_VM(rdx, |
|
1532 |
CAST_FROM_FN_PTR(address, |
|
1533 |
InterpreterRuntime::exception_handler_for_exception), |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1534 |
rarg); |
1 | 1535 |
// rax: exception handler entry point |
1536 |
// rdx: preserved exception oop |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1537 |
// r13/rsi: bcp for exception handler |
1 | 1538 |
__ push_ptr(rdx); // push exception which is now the only value on the stack |
1539 |
__ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) |
|
1540 |
||
1541 |
// If the exception is not handled in the current frame the frame is |
|
1542 |
// removed and the exception is rethrown (i.e. exception |
|
1543 |
// continuation is _rethrow_exception). |
|
1544 |
// |
|
1545 |
// Note: At this point the bci is still the bxi for the instruction |
|
1546 |
// which caused the exception and the expression stack is |
|
1547 |
// empty. Thus, for any VM calls at this point, GC will find a legal |
|
1548 |
// oop map (with empty expression stack). |
|
1549 |
||
1550 |
// In current activation |
|
1551 |
// tos: exception |
|
1552 |
// esi: exception bcp |
|
1553 |
||
1554 |
// |
|
1555 |
// JVMTI PopFrame support |
|
1556 |
// |
|
1557 |
||
1558 |
Interpreter::_remove_activation_preserving_args_entry = __ pc(); |
|
1559 |
__ empty_expression_stack(); |
|
1560 |
// Set the popframe_processing bit in pending_popframe_condition |
|
1561 |
// indicating that we are currently handling popframe, so that |
|
1562 |
// call_VMs that may happen later do not trigger new popframe |
|
1563 |
// handling cycles. |
|
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
33160
diff
changeset
|
1564 |
const Register thread = NOT_LP64(rcx) LP64_ONLY(r15_thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
1565 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1566 |
__ movl(rdx, Address(thread, JavaThread::popframe_condition_offset())); |
1 | 1567 |
__ orl(rdx, JavaThread::popframe_processing_bit); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1568 |
__ movl(Address(thread, JavaThread::popframe_condition_offset()), rdx); |
1 | 1569 |
|
1570 |
{ |
|
1571 |
// Check to see whether we are returning to a deoptimized frame. |
|
1572 |
// (The PopFrame call ensures that the caller of the popped frame is |
|
1573 |
// either interpreted or compiled and deoptimizes it if compiled.) |
|
1574 |
// In this case, we can't call dispatch_next() after the frame is |
|
1575 |
// popped, but instead must save the incoming arguments and restore |
|
1576 |
// them after deoptimization has occurred. |
|
1577 |
// |
|
1578 |
// Note that we don't compare the return PC against the |
|
1579 |
// deoptimization blob's unpack entry because of the presence of |
|
1580 |
// adapter frames in C2. |
|
1581 |
Label caller_not_deoptimized; |
|
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
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diff
changeset
|
1582 |
Register rarg = NOT_LP64(rdx) LP64_ONLY(c_rarg1); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
1583 |
__ movptr(rarg, Address(rbp, frame::return_addr_offset * wordSize)); |
1 | 1584 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1585 |
InterpreterRuntime::interpreter_contains), rarg); |
1 | 1586 |
__ testl(rax, rax); |
1587 |
__ jcc(Assembler::notZero, caller_not_deoptimized); |
|
1588 |
||
1589 |
// Compute size of arguments for saving when returning to |
|
1590 |
// deoptimized caller |
|
1591 |
__ get_method(rax); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1592 |
__ movptr(rax, Address(rax, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1593 |
__ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
1 | 1594 |
size_of_parameters_offset()))); |
5419 | 1595 |
__ shll(rax, Interpreter::logStackElementSize); |
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1596 |
__ restore_locals(); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
1597 |
__ subptr(rlocals, rax); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
1598 |
__ addptr(rlocals, wordSize); |
1 | 1599 |
// Save these arguments |
34651
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8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1600 |
NOT_LP64(__ get_thread(thread)); |
1 | 1601 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1602 |
Deoptimization:: |
|
1603 |
popframe_preserve_args), |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1604 |
thread, rax, rlocals); |
1 | 1605 |
|
1606 |
__ remove_activation(vtos, rdx, |
|
1607 |
/* throw_monitor_exception */ false, |
|
1608 |
/* install_monitor_exception */ false, |
|
1609 |
/* notify_jvmdi */ false); |
|
1610 |
||
1611 |
// Inform deoptimization that it is responsible for restoring |
|
1612 |
// these arguments |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
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parents:
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diff
changeset
|
1613 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1614 |
__ movl(Address(thread, JavaThread::popframe_condition_offset()), |
1 | 1615 |
JavaThread::popframe_force_deopt_reexecution_bit); |
1616 |
||
1617 |
// Continue in deoptimization handler |
|
1618 |
__ jmp(rdx); |
|
1619 |
||
1620 |
__ bind(caller_not_deoptimized); |
|
1621 |
} |
|
1622 |
||
1623 |
__ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ |
|
1624 |
/* throw_monitor_exception */ false, |
|
1625 |
/* install_monitor_exception */ false, |
|
1626 |
/* notify_jvmdi */ false); |
|
1627 |
||
1628 |
// Finish with popframe handling |
|
1629 |
// A previous I2C followed by a deoptimization might have moved the |
|
1630 |
// outgoing arguments further up the stack. PopFrame expects the |
|
1631 |
// mutations to those outgoing arguments to be preserved and other |
|
1632 |
// constraints basically require this frame to look exactly as |
|
1633 |
// though it had previously invoked an interpreted activation with |
|
1634 |
// no space between the top of the expression stack (current |
|
1635 |
// last_sp) and the top of stack. Rather than force deopt to |
|
1636 |
// maintain this kind of invariant all the time we call a small |
|
1637 |
// fixup routine to move the mutated arguments onto the top of our |
|
1638 |
// expression stack if necessary. |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1639 |
#ifndef _LP64 |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1640 |
__ mov(rax, rsp); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1641 |
__ movptr(rbx, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1642 |
__ get_thread(thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1643 |
// PC must point into interpreter here |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1644 |
__ set_last_Java_frame(thread, noreg, rbp, __ pc()); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1645 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), thread, rax, rbx); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
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diff
changeset
|
1646 |
__ get_thread(thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1647 |
#else |
1066 | 1648 |
__ mov(c_rarg1, rsp); |
1649 |
__ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
|
1 | 1650 |
// PC must point into interpreter here |
1651 |
__ set_last_Java_frame(noreg, rbp, __ pc()); |
|
1652 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1653 |
#endif |
40644
39e631ed7145
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
dlong
parents:
39390
diff
changeset
|
1654 |
__ reset_last_Java_frame(thread, true); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1655 |
|
1 | 1656 |
// Restore the last_sp and null it out |
1066 | 1657 |
__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1658 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
|
1 | 1659 |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1660 |
__ restore_bcp(); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1661 |
__ restore_locals(); |
1 | 1662 |
// The method data pointer was incremented already during |
1663 |
// call profiling. We have to restore the mdp for the current bcp. |
|
1664 |
if (ProfileInterpreter) { |
|
1665 |
__ set_method_data_pointer_for_bcp(); |
|
1666 |
} |
|
1667 |
||
1668 |
// Clear the popframe condition flag |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1669 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1670 |
__ movl(Address(thread, JavaThread::popframe_condition_offset()), |
1 | 1671 |
JavaThread::popframe_inactive); |
1672 |
||
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1673 |
#if INCLUDE_JVMTI |
24322 | 1674 |
{ |
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1675 |
Label L_done; |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1676 |
const Register local0 = rlocals; |
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1677 |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1678 |
__ cmpb(Address(rbcp, 0), Bytecodes::_invokestatic); |
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1679 |
__ jcc(Assembler::notEqual, L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1680 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1681 |
// The member name argument must be restored if _invokestatic is re-executed after a PopFrame call. |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1682 |
// Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL. |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1683 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1684 |
__ get_method(rdx); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1685 |
__ movptr(rax, Address(local0, 0)); |
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1686 |
__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, rbcp); |
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1687 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1688 |
__ testptr(rax, rax); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1689 |
__ jcc(Assembler::zero, L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1690 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1691 |
__ movptr(Address(rbx, 0), rax); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1692 |
__ bind(L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1693 |
} |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1694 |
#endif // INCLUDE_JVMTI |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1695 |
|
1 | 1696 |
__ dispatch_next(vtos); |
1697 |
// end of PopFrame support |
|
1698 |
||
1699 |
Interpreter::_remove_activation_entry = __ pc(); |
|
1700 |
||
1701 |
// preserve exception over this code sequence |
|
1702 |
__ pop_ptr(rax); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1703 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1704 |
__ movptr(Address(thread, JavaThread::vm_result_offset()), rax); |
1 | 1705 |
// remove the activation (without doing throws on illegalMonitorExceptions) |
1706 |
__ remove_activation(vtos, rdx, false, true, false); |
|
1707 |
// restore exception |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1708 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1709 |
__ get_vm_result(rax, thread); |
1 | 1710 |
|
1711 |
// In between activations - previous activation type unknown yet |
|
1712 |
// compute continuation point - the continuation point expects the |
|
1713 |
// following registers set up: |
|
1714 |
// |
|
1715 |
// rax: exception |
|
1716 |
// rdx: return address/pc that threw exception |
|
1717 |
// rsp: expression stack of caller |
|
1718 |
// rbp: ebp of caller |
|
1066 | 1719 |
__ push(rax); // save exception |
1720 |
__ push(rdx); // save return address |
|
1 | 1721 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1722 |
SharedRuntime::exception_handler_for_return_address), |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1723 |
thread, rdx); |
1066 | 1724 |
__ mov(rbx, rax); // save exception handler |
1725 |
__ pop(rdx); // restore return address |
|
1726 |
__ pop(rax); // restore exception |
|
1 | 1727 |
// Note that an "issuing PC" is actually the next PC after the call |
1728 |
__ jmp(rbx); // jump to exception |
|
1729 |
// handler of caller |
|
1730 |
} |
|
1731 |
||
1732 |
||
1733 |
// |
|
1734 |
// JVMTI ForceEarlyReturn support |
|
1735 |
// |
|
1736 |
address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { |
|
1737 |
address entry = __ pc(); |
|
1738 |
||
1739 |
__ restore_bcp(); |
|
1740 |
__ restore_locals(); |
|
1741 |
__ empty_expression_stack(); |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1742 |
__ load_earlyret_value(state); // 32 bits returns value in rdx, so don't reuse |
1 | 1743 |
|
34651
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1744 |
const Register thread = NOT_LP64(rcx) LP64_ONLY(r15_thread); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1745 |
NOT_LP64(__ get_thread(thread)); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1746 |
__ movptr(rcx, Address(thread, JavaThread::jvmti_thread_state_offset())); |
07b1cc0f6040
8144534: Refactor templateInterpreter and templateInterpreterGenerator functions
coleenp
parents:
33160
diff
changeset
|
1747 |
Address cond_addr(rcx, JvmtiThreadState::earlyret_state_offset()); |
1 | 1748 |
|
1749 |
// Clear the earlyret state |
|
1750 |
__ movl(cond_addr, JvmtiThreadState::earlyret_inactive); |
|
1751 |
||
1752 |
__ remove_activation(state, rsi, |
|
1753 |
false, /* throw_monitor_exception */ |
|
1754 |
false, /* install_monitor_exception */ |
|
1755 |
true); /* notify_jvmdi */ |
|
1756 |
__ jmp(rsi); |
|
1757 |
||
1758 |
return entry; |
|
1759 |
} // end of ForceEarlyReturn support |
|
1760 |
||
1761 |
||
1762 |
//----------------------------------------------------------------------------- |
|
1763 |
// Helper for vtos entry point generation |
|
1764 |
||
1765 |
void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, |
|
1766 |
address& bep, |
|
1767 |
address& cep, |
|
1768 |
address& sep, |
|
1769 |
address& aep, |
|
1770 |
address& iep, |
|
1771 |
address& lep, |
|
1772 |
address& fep, |
|
1773 |
address& dep, |
|
1774 |
address& vep) { |
|
1775 |
assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); |
|
1776 |
Label L; |
|
32391
01e2f5e916c7
8076373: In 32-bit VM interpreter and compiled code process NaN values differently
zmajo
parents:
31790
diff
changeset
|
1777 |
aep = __ pc(); __ push_ptr(); __ jmp(L); |
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1778 |
#ifndef _LP64 |
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|
1779 |
fep = __ pc(); __ push(ftos); __ jmp(L); |
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|
1780 |
dep = __ pc(); __ push(dtos); __ jmp(L); |
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|
1781 |
#else |
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1782 |
fep = __ pc(); __ push_f(xmm0); __ jmp(L); |
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|
1783 |
dep = __ pc(); __ push_d(xmm0); __ jmp(L); |
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1784 |
#endif // _LP64 |
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1785 |
lep = __ pc(); __ push_l(); __ jmp(L); |
1 | 1786 |
bep = cep = sep = |
1787 |
iep = __ pc(); __ push_i(); |
|
1788 |
vep = __ pc(); |
|
1789 |
__ bind(L); |
|
1790 |
generate_and_dispatch(t); |
|
1791 |
} |
|
1792 |
||
1793 |
//----------------------------------------------------------------------------- |
|
1794 |
||
1795 |
// Non-product code |
|
1796 |
#ifndef PRODUCT |
|
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1797 |
|
1 | 1798 |
address TemplateInterpreterGenerator::generate_trace_code(TosState state) { |
1799 |
address entry = __ pc(); |
|
1800 |
||
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|
1801 |
#ifndef _LP64 |
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1802 |
// prepare expression stack |
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1803 |
__ pop(rcx); // pop return address so expression stack is 'pure' |
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|
1804 |
__ push(state); // save tosca |
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|
1805 |
|
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1806 |
// pass tosca registers as arguments & call tracer |
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|
1807 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::trace_bytecode), rcx, rax, rdx); |
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1808 |
__ mov(rcx, rax); // make sure return address is not destroyed by pop(state) |
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|
1809 |
__ pop(state); // restore tosca |
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|
1810 |
|
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|
1811 |
// return |
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|
1812 |
__ jmp(rcx); |
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|
1813 |
#else |
1 | 1814 |
__ push(state); |
1066 | 1815 |
__ push(c_rarg0); |
1816 |
__ push(c_rarg1); |
|
1817 |
__ push(c_rarg2); |
|
1818 |
__ push(c_rarg3); |
|
1819 |
__ mov(c_rarg2, rax); // Pass itos |
|
1 | 1820 |
#ifdef _WIN64 |
1821 |
__ movflt(xmm3, xmm0); // Pass ftos |
|
1822 |
#endif |
|
1823 |
__ call_VM(noreg, |
|
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|
1824 |
CAST_FROM_FN_PTR(address, InterpreterRuntime::trace_bytecode), |
1 | 1825 |
c_rarg1, c_rarg2, c_rarg3); |
1066 | 1826 |
__ pop(c_rarg3); |
1827 |
__ pop(c_rarg2); |
|
1828 |
__ pop(c_rarg1); |
|
1829 |
__ pop(c_rarg0); |
|
1 | 1830 |
__ pop(state); |
1831 |
__ ret(0); // return from result handler |
|
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|
1832 |
#endif // _LP64 |
1 | 1833 |
|
1834 |
return entry; |
|
1835 |
} |
|
1836 |
||
1837 |
void TemplateInterpreterGenerator::count_bytecode() { |
|
1838 |
__ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); |
|
1839 |
} |
|
1840 |
||
1841 |
void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { |
|
1842 |
__ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); |
|
1843 |
} |
|
1844 |
||
1845 |
void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { |
|
1846 |
__ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); |
|
1847 |
__ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); |
|
1848 |
__ orl(rbx, |
|
1849 |
((int) t->bytecode()) << |
|
1850 |
BytecodePairHistogram::log2_number_of_codes); |
|
1851 |
__ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); |
|
1852 |
__ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); |
|
1853 |
__ incrementl(Address(rscratch1, rbx, Address::times_4)); |
|
1854 |
} |
|
1855 |
||
1856 |
||
1857 |
void TemplateInterpreterGenerator::trace_bytecode(Template* t) { |
|
1858 |
// Call a little run-time stub to avoid blow-up for each bytecode. |
|
1859 |
// The run-time runtime saves the right registers, depending on |
|
1860 |
// the tosca in-state for the given template. |
|
1861 |
||
1862 |
assert(Interpreter::trace_code(t->tos_in()) != NULL, |
|
1863 |
"entry must have been generated"); |
|
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|
1864 |
#ifndef _LP64 |
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|
1865 |
__ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
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|
1866 |
#else |
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|
1867 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1868 |
__ andptr(rsp, -16); // align stack as required by ABI |
1 | 1869 |
__ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
1066 | 1870 |
__ mov(rsp, r12); // restore sp |
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|
1871 |
__ reinit_heapbase(); |
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|
1872 |
#endif // _LP64 |
1 | 1873 |
} |
1874 |
||
1875 |
||
1876 |
void TemplateInterpreterGenerator::stop_interpreter_at() { |
|
1877 |
Label L; |
|
1878 |
__ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), |
|
1879 |
StopInterpreterAt); |
|
1880 |
__ jcc(Assembler::notEqual, L); |
|
1881 |
__ int3(); |
|
1882 |
__ bind(L); |
|
1883 |
} |
|
1884 |
#endif // !PRODUCT |