hotspot/src/cpu/x86/vm/templateInterpreter_x86_64.cpp
author twisti
Fri, 30 Nov 2012 15:23:16 -0800
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child 14745 03904dd8649b
permissions -rw-r--r--
8003240: x86: move MacroAssembler into separate file Reviewed-by: kvn
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/*
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 * Copyright (c) 2003, 2012, 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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#include "precompiled.hpp"
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#include "asm/macroAssembler.hpp"
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#include "interpreter/bytecodeHistogram.hpp"
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#include "interpreter/interpreter.hpp"
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#include "interpreter/interpreterGenerator.hpp"
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#include "interpreter/interpreterRuntime.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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#define __ _masm->
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#ifndef CC_INTERP
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const int method_offset = frame::interpreter_frame_method_offset * wordSize;
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const int bci_offset    = frame::interpreter_frame_bcx_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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        const char* name) {
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  address entry = __ pc();
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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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  // ??? convention: expect aberrant index in register ebx
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  __ lea(c_rarg1, ExternalAddress((address)name));
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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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             c_rarg1, 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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  __ pop(c_rarg1);
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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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             c_rarg1);
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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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  if (pass_oop) {
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    // object is at TOS
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    __ pop(c_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(c_rarg1, 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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               c_rarg1, c_rarg2);
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  } else {
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    // kind of lame ExternalAddress can't take NULL because
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    // external_word_Relocation will assert.
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    if (message != NULL) {
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      __ lea(c_rarg2, ExternalAddress((address)message));
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    } else {
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      __ movptr(c_rarg2, NULL_WORD);
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    }
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    __ call_VM(rax,
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               CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception),
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               c_rarg1, c_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_continuation_for(TosState state) {
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  address entry = __ pc();
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  // NULL last_sp until next java call
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  __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
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  __ dispatch_next(state);
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  return entry;
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}
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address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) {
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  address entry = __ pc();
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  // Restore stack bottom in case i2c adjusted stack
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  __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
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  // 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);
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  __ restore_bcp();
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  __ restore_locals();
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  Label L_got_cache, L_giant_index;
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  if (EnableInvokeDynamic) {
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    __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic);
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    __ jcc(Assembler::equal, L_giant_index);
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  }
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  __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2));
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  __ bind(L_got_cache);
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  __ movl(rbx, Address(rbx, rcx,
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                       Address::times_ptr,
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                       in_bytes(ConstantPoolCache::base_offset()) +
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                       3 * wordSize));
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  __ andl(rbx, 0xFF);
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  __ lea(rsp, Address(rsp, rbx, Address::times_8));
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  __ dispatch_next(state, step);
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  // out of the main line of code...
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  if (EnableInvokeDynamic) {
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    __ bind(L_giant_index);
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    __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4));
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    __ jmp(L_got_cache);
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  }
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  return entry;
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}
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address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state,
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                                                               int step) {
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  address entry = __ pc();
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  // NULL last_sp until next java call
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  __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
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  __ restore_bcp();
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  __ restore_locals();
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  // handle exceptions
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  {
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    Label L;
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    __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD);
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    __ jcc(Assembler::zero, L);
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    __ call_VM(noreg,
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               CAST_FROM_FN_PTR(address,
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                                InterpreterRuntime::throw_pending_exception));
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    __ should_not_reach_here();
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    __ bind(L);
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  }
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  __ dispatch_next(state, step);
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  return entry;
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}
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int AbstractInterpreter::BasicType_as_index(BasicType type) {
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  int i = 0;
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  switch (type) {
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    case T_BOOLEAN: i = 0; break;
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    case T_CHAR   : i = 1; break;
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    case T_BYTE   : i = 2; break;
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    case T_SHORT  : i = 3; break;
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    case T_INT    : i = 4; break;
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    case T_LONG   : i = 5; break;
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    case T_VOID   : i = 6; break;
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    case T_FLOAT  : i = 7; break;
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    case T_DOUBLE : i = 8; break;
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    case T_OBJECT : i = 9; break;
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    case T_ARRAY  : i = 9; break;
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    default       : ShouldNotReachHere();
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  }
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  assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
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         "index out of bounds");
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  return i;
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}
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address TemplateInterpreterGenerator::generate_result_handler_for(
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        BasicType type) {
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  address entry = __ pc();
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  switch (type) {
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  case T_BOOLEAN: __ c2bool(rax);            break;
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  case T_CHAR   : __ movzwl(rax, rax);       break;
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  case T_BYTE   : __ sign_extend_byte(rax);  break;
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  case T_SHORT  : __ sign_extend_short(rax); break;
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  case T_INT    : /* nothing to do */        break;
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  case T_LONG   : /* nothing to do */        break;
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  case T_VOID   : /* nothing to do */        break;
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  case T_FLOAT  : /* nothing to do */        break;
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  case T_DOUBLE : /* nothing to do */        break;
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  case T_OBJECT :
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    // retrieve result from frame
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    __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize));
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    // and verify it
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    __ verify_oop(rax);
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    break;
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  default       : ShouldNotReachHere();
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  }
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  __ ret(0);                                   // return from result handler
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  return entry;
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}
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address TemplateInterpreterGenerator::generate_safept_entry_for(
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        TosState state,
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        address runtime_entry) {
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  address entry = __ pc();
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  __ push(state);
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  __ call_VM(noreg, runtime_entry);
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  __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos));
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  return entry;
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}
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// Helpers for commoning out cases in the various type of method entries.
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//
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// increment invocation count & check for overflow
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//
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// Note: checking for negative value instead of overflow
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//       so we have a 'sticky' overflow test
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//
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// rbx: method
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// ecx: invocation counter
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//
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void InterpreterGenerator::generate_counter_incr(
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        Label* overflow,
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        Label* profile_method,
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        Label* profile_method_continue) {
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  const Address invocation_counter(rbx, in_bytes(Method::invocation_counter_offset()) +
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                                        in_bytes(InvocationCounter::counter_offset()));
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  // Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not.
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  if (TieredCompilation) {
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    int increment = InvocationCounter::count_increment;
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    int mask = ((1 << Tier0InvokeNotifyFreqLog)  - 1) << InvocationCounter::count_shift;
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    Label no_mdo, done;
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    if (ProfileInterpreter) {
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      // Are we profiling?
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      __ movptr(rax, Address(rbx, Method::method_data_offset()));
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      __ testptr(rax, rax);
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      __ jccb(Assembler::zero, no_mdo);
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      // Increment counter in the MDO
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      const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) +
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                                                in_bytes(InvocationCounter::counter_offset()));
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      __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow);
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      __ jmpb(done);
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    }
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    __ bind(no_mdo);
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    // Increment counter in Method* (we don't need to load it, it's in ecx).
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    __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, true, Assembler::zero, overflow);
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    __ bind(done);
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  } else {
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    const Address backedge_counter(rbx,
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                                   Method::backedge_counter_offset() +
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                                   InvocationCounter::counter_offset());
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    if (ProfileInterpreter) { // %%% Merge this into MethodData*
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      __ incrementl(Address(rbx,
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                            Method::interpreter_invocation_counter_offset()));
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    }
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   333
    // Update standard invocation counters
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    __ movl(rax, backedge_counter);   // load backedge counter
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    __ incrementl(rcx, InvocationCounter::count_increment);
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    __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits
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    __ movl(invocation_counter, rcx); // save invocation count
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    __ addl(rcx, rax);                // add both counters
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    // profile_method is non-null only for interpreted method so
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    // profile_method != NULL == !native_call
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   344
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    if (ProfileInterpreter && profile_method != NULL) {
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      // Test to see if we should create a method data oop
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      __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit));
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      __ jcc(Assembler::less, *profile_method_continue);
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      // if no method data exists, go to profile_method
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      __ test_method_data_pointer(rax, *profile_method);
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    }
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   353
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    __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit));
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    __ jcc(Assembler::aboveEqual, *overflow);
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  }
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}
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void InterpreterGenerator::generate_counter_overflow(Label* do_continue) {
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  // Asm interpreter on entry
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  // r14 - locals
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  // r13 - bcp
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  // rbx - method
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parents:
diff changeset
   365
  // edx - cpool --- DOES NOT APPEAR TO BE TRUE
489c9b5090e2 Initial load
duke
parents:
diff changeset
   366
  // rbp - interpreter frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
  // On return (i.e. jump to entry_point) [ back to invocation of interpreter ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
  // Everything as it was on entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
  // rdx is not restored. Doesn't appear to really be set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   371
489c9b5090e2 Initial load
duke
parents:
diff changeset
   372
  const Address size_of_parameters(rbx,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   373
                                   Method::size_of_parameters_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
  // InterpreterRuntime::frequency_counter_overflow takes two
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
  // arguments, the first (thread) is passed by call_VM, the second
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
  // indicates if the counter overflow occurs at a backwards branch
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
  // (NULL bcp).  We pass zero for it.  The call returns the address
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
  // of the verified entry point for the method or NULL if the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
  // compilation did not complete (either went background or bailed
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
  // out).
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
  __ movl(c_rarg1, 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
  __ call_VM(noreg,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
             CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
                              InterpreterRuntime::frequency_counter_overflow),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
             c_rarg1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   388
  __ movptr(rbx, Address(rbp, method_offset));   // restore Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
  // Preserve invariant that r13/r14 contain bcp/locals of sender frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
  // and jump to the interpreted entry.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
  __ jmp(*do_continue, relocInfo::none);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
// See if we've got enough room on the stack for locals plus overhead.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
// The expression stack grows down incrementally, so the normal guard
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
// page mechanism will work for that.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
// NOTE: Since the additional locals are also always pushed (wasn't
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
// obvious in generate_method_entry) so the guard should work for them
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
// too.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
// Args:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
//      rdx: number of additional locals this frame needs (what we must check)
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   404
//      rbx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
// Kills:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
//      rax
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
void InterpreterGenerator::generate_stack_overflow_check(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
  // monitor entry size: see picture of stack set
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
  // (generate_method_entry) and frame_amd64.hpp
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
  const int entry_size = frame::interpreter_frame_monitor_size() * wordSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
  // total overhead size: entry_size + (saved rbp through expr stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
  // bottom).  be sure to change this if you add/subtract anything
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
  // to/from the overhead area
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  const int overhead_size =
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
    -(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
  const int page_size = os::vm_page_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
  Label after_frame_check;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
  // see if the frame is greater than one page in size. If so,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
  // then we need to verify there is enough stack space remaining
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  // for the additional locals.
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
   427
  __ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  __ jcc(Assembler::belowEqual, after_frame_check);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
  // compute rsp as if this were going to be the last frame on
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
  // the stack before the red zone
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
  const Address stack_base(r15_thread, Thread::stack_base_offset());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
  const Address stack_size(r15_thread, Thread::stack_size_offset());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
  // locals + overhead, in bytes
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   437
  __ mov(rax, rdx);
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
   438
  __ shlptr(rax, Interpreter::logStackElementSize);  // 2 slots per parameter.
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   439
  __ addptr(rax, overhead_size);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
  Label stack_base_okay, stack_size_okay;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
  // verify that thread stack base is non-zero
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   444
  __ cmpptr(stack_base, (int32_t)NULL_WORD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
  __ jcc(Assembler::notEqual, stack_base_okay);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
  __ stop("stack base is zero");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
  __ bind(stack_base_okay);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
  // verify that thread stack size is non-zero
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   449
  __ cmpptr(stack_size, 0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  __ jcc(Assembler::notEqual, stack_size_okay);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  __ stop("stack size is zero");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  __ bind(stack_size_okay);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
  // Add stack base to locals and subtract stack size
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   456
  __ addptr(rax, stack_base);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   457
  __ subptr(rax, stack_size);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
4564
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
   459
  // Use the maximum number of pages we might bang.
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
   460
  const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages :
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
   461
                                                                              (StackRedPages+StackYellowPages);
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
   462
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
  // add in the red and yellow zone sizes
4564
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
   464
  __ addptr(rax, max_pages * page_size);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
  // check against the current stack bottom
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   467
  __ cmpptr(rsp, rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
  __ jcc(Assembler::above, after_frame_check);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
11411
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   470
  // Restore sender's sp as SP. This is necessary if the sender's
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   471
  // frame is an extended compiled frame (see gen_c2i_adapter())
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   472
  // and safer anyway in case of JSR292 adaptations.
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   473
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   474
  __ pop(rax); // return address must be moved if SP is changed
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   475
  __ mov(rsp, r13);
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   476
  __ push(rax);
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   477
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   478
  // Note: the restored frame is not necessarily interpreted.
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   479
  // Use the shared runtime version of the StackOverflowError.
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   480
  assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated");
16b151e1e088 7116216: StackOverflow GC crash
bdelsart
parents: 10966
diff changeset
   481
  __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
  // all done with frame size check
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
  __ bind(after_frame_check);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
// Allocate monitor and lock method (asm interpreter)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
// Args:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   490
//      rbx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
//      r14: locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
// Kills:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
//      rax
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
//      c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
//      rscratch1, rscratch2 (scratch regs)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
void InterpreterGenerator::lock_method(void) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
  // synchronize method
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   499
  const Address access_flags(rbx, Method::access_flags_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
  const Address monitor_block_top(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
        rbp,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
        frame::interpreter_frame_monitor_block_top_offset * wordSize);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
  const int entry_size = frame::interpreter_frame_monitor_size() * wordSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
    __ movl(rax, access_flags);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
    __ testl(rax, JVM_ACC_SYNCHRONIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
    __ jcc(Assembler::notZero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
    __ stop("method doesn't need synchronization");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
#endif // ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
  // get synchronization object
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
  {
11430
718fc06da49a 7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents: 10966
diff changeset
   518
    const int mirror_offset = in_bytes(Klass::java_mirror_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
    Label done;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
    __ movl(rax, access_flags);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
    __ testl(rax, JVM_ACC_STATIC);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
    // get receiver (assume this is frequent case)
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   523
    __ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0)));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
    __ jcc(Assembler::zero, done);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   525
    __ movptr(rax, Address(rbx, Method::const_offset()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   526
    __ movptr(rax, Address(rax, ConstMethod::constants_offset()));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   527
    __ movptr(rax, Address(rax,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   528
                           ConstantPool::pool_holder_offset_in_bytes()));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   529
    __ movptr(rax, Address(rax, mirror_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
    {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
      Label L;
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   534
      __ testptr(rax, rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
      __ jcc(Assembler::notZero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
      __ stop("synchronization object is NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
      __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
#endif // ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
    __ bind(done);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
  // add space for monitor & lock
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   545
  __ subptr(rsp, entry_size); // add space for a monitor entry
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   546
  __ movptr(monitor_block_top, rsp);  // set new monitor block top
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
  // store object
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   548
  __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   549
  __ movptr(c_rarg1, rsp); // object address
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
  __ lock_object(c_rarg1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
// Generate a fixed interpreter frame. This is identical setup for
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
// interpreted methods and for native methods hence the shared code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
// Args:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
//      rax: return address
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   558
//      rbx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
//      r14: pointer to locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
//      r13: sender sp
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
//      rdx: cp cache
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
  // initialize fixed part of activation frame
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   564
  __ push(rax);        // save return address
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
  __ enter();          // save old & set new rbp
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   566
  __ push(r13);        // set sender sp
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   567
  __ push((int)NULL_WORD); // leave last_sp as null
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   568
  __ movptr(r13, Address(rbx, Method::const_offset()));      // get ConstMethod*
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   569
  __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   570
  __ push(rbx);        // save Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
  if (ProfileInterpreter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
    Label method_data_continue;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   573
    __ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset())));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   574
    __ testptr(rdx, rdx);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
    __ jcc(Assembler::zero, method_data_continue);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   576
    __ addptr(rdx, in_bytes(MethodData::data_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
    __ bind(method_data_continue);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   578
    __ push(rdx);      // set the mdp (method data pointer)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
  } else {
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   580
    __ push(0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   583
  __ movptr(rdx, Address(rbx, Method::const_offset()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   584
  __ movptr(rdx, Address(rdx, ConstMethod::constants_offset()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   585
  __ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes()));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   586
  __ push(rdx); // set constant pool cache
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   587
  __ push(r14); // set locals pointer
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
  if (native_call) {
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   589
    __ push(0); // no bcp
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
  } else {
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   591
    __ push(r13); // set bcp
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
  }
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   593
  __ push(0); // reserve word for pointer to expression stack bottom
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   594
  __ movptr(Address(rsp, 0), rsp); // set expression stack bottom
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
// End of helpers
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   599
// Various method entries
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   600
//------------------------------------------------------------------------------------------------------------------------
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   601
//
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   602
//
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   603
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   604
// Call an accessor method (assuming it is resolved, otherwise drop
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   605
// into vanilla (slow path) entry
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   606
address InterpreterGenerator::generate_accessor_entry(void) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   607
  // rbx: Method*
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   608
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   609
  // r13: senderSP must preserver for slow path, set SP to it on fast path
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   610
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   611
  address entry_point = __ pc();
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   612
  Label xreturn_path;
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   613
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   614
  // do fastpath for resolved accessor methods
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   615
  if (UseFastAccessorMethods) {
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   616
    // Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   617
    //       thereof; parameter size = 1
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   618
    // Note: We can only use this code if the getfield has been resolved
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   619
    //       and if we don't have a null-pointer exception => check for
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   620
    //       these conditions first and use slow path if necessary.
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   621
    Label slow_path;
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   622
    // If we need a safepoint check, generate full interpreter entry.
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   623
    __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()),
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   624
             SafepointSynchronize::_not_synchronized);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   625
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   626
    __ jcc(Assembler::notEqual, slow_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   627
    // rbx: method
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   628
    __ movptr(rax, Address(rsp, wordSize));
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   629
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   630
    // check if local 0 != NULL and read field
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   631
    __ testptr(rax, rax);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   632
    __ jcc(Assembler::zero, slow_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   633
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   634
    // read first instruction word and extract bytecode @ 1 and index @ 2
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   635
    __ movptr(rdx, Address(rbx, Method::const_offset()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   636
    __ movptr(rdi, Address(rdx, ConstMethod::constants_offset()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   637
    __ movl(rdx, Address(rdx, ConstMethod::codes_offset()));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   638
    // Shift codes right to get the index on the right.
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   639
    // The bytecode fetched looks like <index><0xb4><0x2a>
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   640
    __ shrl(rdx, 2 * BitsPerByte);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   641
    __ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size())));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   642
    __ movptr(rdi, Address(rdi, ConstantPool::cache_offset_in_bytes()));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   643
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   644
    // rax: local 0
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   645
    // rbx: method
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   646
    // rdx: constant pool cache index
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   647
    // rdi: constant pool cache
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   648
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   649
    // check if getfield has been resolved and read constant pool cache entry
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   650
    // check the validity of the cache entry by testing whether _indices field
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   651
    // contains Bytecode::_getfield in b1 byte.
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   652
    assert(in_words(ConstantPoolCacheEntry::size()) == 4,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   653
           "adjust shift below");
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   654
    __ movl(rcx,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   655
            Address(rdi,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   656
                    rdx,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   657
                    Address::times_8,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   658
                    ConstantPoolCache::base_offset() +
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   659
                    ConstantPoolCacheEntry::indices_offset()));
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   660
    __ shrl(rcx, 2 * BitsPerByte);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   661
    __ andl(rcx, 0xFF);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   662
    __ cmpl(rcx, Bytecodes::_getfield);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   663
    __ jcc(Assembler::notEqual, slow_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   664
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   665
    // Note: constant pool entry is not valid before bytecode is resolved
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   666
    __ movptr(rcx,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   667
              Address(rdi,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   668
                      rdx,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   669
                      Address::times_8,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   670
                      ConstantPoolCache::base_offset() +
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   671
                      ConstantPoolCacheEntry::f2_offset()));
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   672
    // edx: flags
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   673
    __ movl(rdx,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   674
            Address(rdi,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   675
                    rdx,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   676
                    Address::times_8,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   677
                    ConstantPoolCache::base_offset() +
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   678
                    ConstantPoolCacheEntry::flags_offset()));
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   679
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   680
    Label notObj, notInt, notByte, notShort;
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   681
    const Address field_address(rax, rcx, Address::times_1);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   682
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   683
    // Need to differentiate between igetfield, agetfield, bgetfield etc.
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   684
    // because they are different sizes.
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   685
    // Use the type from the constant pool cache
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
   686
    __ shrl(rdx, ConstantPoolCacheEntry::tos_state_shift);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
   687
    // Make sure we don't need to mask edx after the above shift
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
   688
    ConstantPoolCacheEntry::verify_tos_state_shift();
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   689
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   690
    __ cmpl(rdx, atos);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   691
    __ jcc(Assembler::notEqual, notObj);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   692
    // atos
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   693
    __ load_heap_oop(rax, field_address);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   694
    __ jmp(xreturn_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   695
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   696
    __ bind(notObj);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   697
    __ cmpl(rdx, itos);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   698
    __ jcc(Assembler::notEqual, notInt);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   699
    // itos
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   700
    __ movl(rax, field_address);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   701
    __ jmp(xreturn_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   702
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   703
    __ bind(notInt);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   704
    __ cmpl(rdx, btos);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   705
    __ jcc(Assembler::notEqual, notByte);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   706
    // btos
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   707
    __ load_signed_byte(rax, field_address);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   708
    __ jmp(xreturn_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   709
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   710
    __ bind(notByte);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   711
    __ cmpl(rdx, stos);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   712
    __ jcc(Assembler::notEqual, notShort);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   713
    // stos
2148
09c7f703773b 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents: 2131
diff changeset
   714
    __ load_signed_short(rax, field_address);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   715
    __ jmp(xreturn_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   716
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   717
    __ bind(notShort);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   718
#ifdef ASSERT
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   719
    Label okay;
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   720
    __ cmpl(rdx, ctos);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   721
    __ jcc(Assembler::equal, okay);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   722
    __ stop("what type is this?");
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   723
    __ bind(okay);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   724
#endif
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   725
    // ctos
2148
09c7f703773b 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents: 2131
diff changeset
   726
    __ load_unsigned_short(rax, field_address);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   727
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   728
    __ bind(xreturn_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   729
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   730
    // _ireturn/_areturn
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   731
    __ pop(rdi);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   732
    __ mov(rsp, r13);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   733
    __ jmp(rdi);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   734
    __ ret(0);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   735
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   736
    // generate a vanilla interpreter entry as the slow path
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   737
    __ bind(slow_path);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   738
    (void) generate_normal_entry(false);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   739
  } else {
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   740
    (void) generate_normal_entry(false);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   741
  }
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   742
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   743
  return entry_point;
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   744
}
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   745
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   746
// Method entry for java.lang.ref.Reference.get.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   747
address InterpreterGenerator::generate_Reference_get_entry(void) {
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   748
#ifndef SERIALGC
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   749
  // Code: _aload_0, _getfield, _areturn
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   750
  // parameter size = 1
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   751
  //
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   752
  // The code that gets generated by this routine is split into 2 parts:
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   753
  //    1. The "intrinsified" code for G1 (or any SATB based GC),
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   754
  //    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
   755
  //
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   756
  // Notes:-
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   757
  // * In the G1 code we do not check whether we need to block for
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   758
  //   a safepoint. If G1 is enabled then we must execute the specialized
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   759
  //   code for Reference.get (except when the Reference object is null)
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   760
  //   so that we can log the value in the referent field with an SATB
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   761
  //   update buffer.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   762
  //   If the code for the getfield template is modified so that the
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   763
  //   G1 pre-barrier code is executed when the current method is
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   764
  //   Reference.get() then going through the normal method entry
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   765
  //   will be fine.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   766
  // * The G1 code can, however, check the receiver object (the instance
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   767
  //   of java.lang.Reference) and jump to the slow path if null. If the
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   768
  //   Reference object is null then we obviously cannot fetch the referent
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   769
  //   and so we don't need to call the G1 pre-barrier. Thus we can use the
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   770
  //   regular method entry code to generate the NPE.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   771
  //
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   772
  // This code is based on generate_accessor_enty.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   773
  //
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   774
  // rbx: Method*
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   775
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   776
  // 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
   777
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   778
  address entry = __ pc();
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   779
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   780
  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
   781
  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
   782
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   783
  if (UseG1GC) {
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   784
    Label slow_path;
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   785
    // rbx: method
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   786
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   787
    // Check if local 0 != NULL
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   788
    // If the receiver is null then it is OK to jump to the slow path.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   789
    __ movptr(rax, Address(rsp, wordSize));
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   790
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   791
    __ testptr(rax, rax);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   792
    __ jcc(Assembler::zero, slow_path);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   793
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   794
    // rax: local 0
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   795
    // rbx: method (but can be used as scratch now)
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   796
    // rdx: scratch
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   797
    // rdi: scratch
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   798
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   799
    // Generate the G1 pre-barrier code to log the value of
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   800
    // the referent field in an SATB buffer.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   801
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   802
    // Load the value of the referent field.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   803
    const Address field_address(rax, referent_offset);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   804
    __ load_heap_oop(rax, field_address);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   805
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   806
    // Generate the G1 pre-barrier code to log the value of
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   807
    // the referent field in an SATB buffer.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   808
    __ g1_write_barrier_pre(noreg /* obj */,
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   809
                            rax /* pre_val */,
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   810
                            r15_thread /* thread */,
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   811
                            rbx /* tmp */,
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   812
                            true /* tosca_live */,
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   813
                            true /* expand_call */);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   814
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   815
    // _areturn
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   816
    __ pop(rdi);                // get return address
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   817
    __ mov(rsp, r13);           // set sp to sender sp
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   818
    __ jmp(rdi);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   819
    __ ret(0);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   820
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   821
    // generate a vanilla interpreter entry as the slow path
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   822
    __ bind(slow_path);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   823
    (void) generate_normal_entry(false);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   824
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   825
    return entry;
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   826
  }
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   827
#endif // SERIALGC
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   828
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   829
  // If G1 is not enabled then attempt to go through the accessor entry point
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   830
  // Reference.get is an accessor
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   831
  return generate_accessor_entry();
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   832
}
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   833
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
   834
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
// Interpreter stub for calling a native method. (asm interpreter)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
// This sets up a somewhat different looking stack for calling the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
// native method than the typical interpreter frame setup.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
address InterpreterGenerator::generate_native_entry(bool synchronized) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
  // determine code generation flags
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
  bool inc_counter  = UseCompiler || CountCompiledCalls;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   842
  // rbx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
  // r13: sender sp
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
  address entry_point = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   847
  const Address size_of_parameters(rbx, Method::
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
                                        size_of_parameters_offset());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   849
  const Address invocation_counter(rbx, Method::
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
                                        invocation_counter_offset() +
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
                                        InvocationCounter::counter_offset());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   852
  const Address access_flags      (rbx, Method::access_flags_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
  // get parameter size (always needed)
2148
09c7f703773b 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents: 2131
diff changeset
   855
  __ load_unsigned_short(rcx, size_of_parameters);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
  // native calls don't need the stack size check since they have no
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
  // expression stack and the arguments are already on the stack and
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
  // we only add a handful of words to the stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   861
  // rbx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
  // rcx: size of parameters
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
  // r13: sender sp
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   864
  __ pop(rax);                                       // get return address
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
  // for natives the size of locals is zero
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
  // compute beginning of parameters (r14)
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   869
  __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
  // add 2 zero-initialized slots for native calls
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
  // initialize result_handler slot
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   873
  __ push((int) NULL_WORD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   874
  // slot for oop temp
489c9b5090e2 Initial load
duke
parents:
diff changeset
   875
  // (static native method holder mirror/jni oop result)
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   876
  __ push((int) NULL_WORD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   877
489c9b5090e2 Initial load
duke
parents:
diff changeset
   878
  if (inc_counter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   879
    __ movl(rcx, invocation_counter);  // (pre-)fetch invocation count
489c9b5090e2 Initial load
duke
parents:
diff changeset
   880
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   881
489c9b5090e2 Initial load
duke
parents:
diff changeset
   882
  // initialize fixed part of activation frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
   883
  generate_fixed_frame(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
  // make sure method is native & not abstract
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   887
  __ movl(rax, access_flags);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
    __ testl(rax, JVM_ACC_NATIVE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
    __ jcc(Assembler::notZero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
    __ stop("tried to execute non-native method as native");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
    __ testl(rax, JVM_ACC_ABSTRACT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
    __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
    __ stop("tried to execute abstract method in interpreter");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
  // Since at this point in the method invocation the exception handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
  // would try to exit the monitor of synchronized methods which hasn't
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
  // been entered yet, we set the thread local variable
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
  // _do_not_unlock_if_synchronized to true. The remove_activation will
489c9b5090e2 Initial load
duke
parents:
diff changeset
   908
  // check this flag.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
  const Address do_not_unlock_if_synchronized(r15_thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
        in_bytes(JavaThread::do_not_unlock_if_synchronized_offset()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
  __ movbool(do_not_unlock_if_synchronized, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   913
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
  // increment invocation count & check for overflow
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
  Label invocation_counter_overflow;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
  if (inc_counter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
    generate_counter_incr(&invocation_counter_overflow, NULL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
  Label continue_after_compile;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
  __ bind(continue_after_compile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
  bang_stack_shadow_pages(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
  // reset the _do_not_unlock_if_synchronized flag
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
  __ movbool(do_not_unlock_if_synchronized, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
  // check for synchronized methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
  // Must happen AFTER invocation_counter check and stack overflow check,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
  // so method is not locked if overflows.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
  if (synchronized) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
    lock_method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
    // no synchronization necessary
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
    {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
      Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
      __ movl(rax, access_flags);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
      __ testl(rax, JVM_ACC_SYNCHRONIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
      __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
      __ stop("method needs synchronization");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
      __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
  // start execution
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
    const Address monitor_block_top(rbp,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
                 frame::interpreter_frame_monitor_block_top_offset * wordSize);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   953
    __ movptr(rax, monitor_block_top);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   954
    __ cmpptr(rax, rsp);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
    __ jcc(Assembler::equal, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
    __ stop("broken stack frame setup in interpreter");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
  // jvmti support
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
  __ notify_method_entry();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
  // work registers
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
  const Register method = rbx;
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 1
diff changeset
   966
  const Register t      = r11;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
  // allocate space for parameters
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
  __ get_method(method);
2148
09c7f703773b 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents: 2131
diff changeset
   970
  __ load_unsigned_short(t,
09c7f703773b 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents: 2131
diff changeset
   971
                         Address(method,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   972
                                 Method::size_of_parameters_offset()));
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
   973
  __ shll(t, Interpreter::logStackElementSize);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   975
  __ subptr(rsp, t);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   976
  __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows
2131
98f9cef66a34 6810672: Comment typos
twisti
parents: 1066
diff changeset
   977
  __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   978
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
  // get signature handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
    Label L;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   982
    __ movptr(t, Address(method, Method::signature_handler_offset()));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
   983
    __ testptr(t, t);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
    __ jcc(Assembler::notZero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   985
    __ call_VM(noreg,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   986
               CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   987
                                InterpreterRuntime::prepare_native_call),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
               method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
    __ get_method(method);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   990
    __ movptr(t, Address(method, Method::signature_handler_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   992
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   993
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
  // call signature handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
  assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
         "adjust this code");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   997
  assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
         "adjust this code");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
  assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
          "adjust this code");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
  // The generated handlers do not touch RBX (the method oop).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
  // However, large signatures cannot be cached and are generated
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
  // each time here.  The slow-path generator can do a GC on return,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
  // so we must reload it after the call.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
  __ call(t);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
  __ get_method(method);        // slow path can do a GC, reload RBX
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
  // result handler is in rax
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
  // set result handler
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1012
  __ movptr(Address(rbp,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1013
                    (frame::interpreter_frame_result_handler_offset) * wordSize),
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1014
            rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
  // pass mirror handle if static call
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
    Label L;
11430
718fc06da49a 7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents: 10966
diff changeset
  1019
    const int mirror_offset = in_bytes(Klass::java_mirror_offset());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1020
    __ movl(t, Address(method, Method::access_flags_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
    __ testl(t, JVM_ACC_STATIC);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
    __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
    // get mirror
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1024
    __ movptr(t, Address(method, Method::const_offset()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1025
    __ movptr(t, Address(t, ConstMethod::constants_offset()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1026
    __ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes()));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1027
    __ movptr(t, Address(t, mirror_offset));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
    // copy mirror into activation frame
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1029
    __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1030
            t);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
    // pass handle to mirror
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1032
    __ lea(c_rarg1,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1033
           Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
  // get native function entry point
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
    Label L;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1040
    __ movptr(rax, Address(method, Method::native_function_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
    ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
    __ movptr(rscratch2, unsatisfied.addr());
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1043
    __ cmpptr(rax, rscratch2);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
    __ jcc(Assembler::notEqual, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
    __ call_VM(noreg,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
               CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
                                InterpreterRuntime::prepare_native_call),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
               method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
    __ get_method(method);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1050
    __ movptr(rax, Address(method, Method::native_function_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
  // pass JNIEnv
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1055
  __ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
  // It is enough that the pc() points into the right code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
  // segment. It does not have to be the correct return pc.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
  __ set_last_Java_frame(rsp, rbp, (address) __ pc());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
  // change thread state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
    __ movl(t, Address(r15_thread, JavaThread::thread_state_offset()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
    __ cmpl(t, _thread_in_Java);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
    __ jcc(Assembler::equal, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
    __ stop("Wrong thread state in native stub");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
  // Change state to native
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
  __ movl(Address(r15_thread, JavaThread::thread_state_offset()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
          _thread_in_native);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
  // Call the native method.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1079
  __ call(rax);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
  // result potentially in rax or xmm0
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
  // Depending on runtime options, either restore the MXCSR
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
  // register after returning from the JNI Call or verify that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
  // it wasn't changed during -Xcheck:jni.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
  if (RestoreMXCSROnJNICalls) {
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1086
    __ ldmxcsr(ExternalAddress(StubRoutines::x86::mxcsr_std()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1087
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1088
  else if (CheckJNICalls) {
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1089
    __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::x86::verify_mxcsr_entry())));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1090
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1091
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
  // NOTE: The order of these pushes is known to frame::interpreter_frame_result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
  // in order to extract the result of a method call. If the order of these
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1094
  // pushes change or anything else is added to the stack then the code in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1095
  // interpreter_frame_result must also change.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1096
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
  __ push(dtos);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1098
  __ push(ltos);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1099
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
  // change thread state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
  __ movl(Address(r15_thread, JavaThread::thread_state_offset()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
          _thread_in_native_trans);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
  if (os::is_MP()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
    if (UseMembar) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
      // Force this write out before the read below
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
      __ membar(Assembler::Membar_mask_bits(
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
           Assembler::LoadLoad | Assembler::LoadStore |
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
           Assembler::StoreLoad | Assembler::StoreStore));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1111
      // Write serialization page so VM thread can do a pseudo remote membar.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
      // We use the current thread pointer to calculate a thread specific
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
      // offset to write to within the page. This minimizes bus traffic
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
      // due to cache line collision.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
      __ serialize_memory(r15_thread, rscratch2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
  // check for safepoint operation in progress and/or pending suspend requests
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
    Label Continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
    __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
             SafepointSynchronize::_not_synchronized);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
    __ jcc(Assembler::notEqual, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
    __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
    __ jcc(Assembler::equal, Continue);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
    // Don't use call_VM as it will see a possible pending exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
    // and forward it and never return here preventing us from
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
    // clearing _last_native_pc down below.  Also can't use
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
    // call_VM_leaf either as it will check to see if r13 & r14 are
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
    // preserved and correspond to the bcp/locals pointers. So we do a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
    // runtime call by hand.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
    //
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1138
    __ mov(c_rarg0, r15_thread);
7401
ebde7415b521 6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents: 7397
diff changeset
  1139
    __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM)
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1140
    __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1141
    __ andptr(rsp, -16); // align stack as required by ABI
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
    __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans)));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1143
    __ 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
  1144
    __ reinit_heapbase();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
    __ bind(Continue);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1148
  // change thread state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
  __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
  // reset_last_Java_frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1152
  __ reset_last_Java_frame(true, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
  // reset handle block
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1155
  __ movptr(t, Address(r15_thread, JavaThread::active_handles_offset()));
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1156
  __ movptr(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
  // If result is an oop unbox and store it in frame where gc will see it
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
  // and result handler will pick it up
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
    Label no_oop, store_result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1163
    __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT)));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1164
    __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
    __ jcc(Assembler::notEqual, no_oop);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
    // retrieve result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
    __ pop(ltos);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1168
    __ testptr(rax, rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
    __ jcc(Assembler::zero, store_result);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1170
    __ movptr(rax, Address(rax, 0));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
    __ bind(store_result);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1172
    __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1173
    // keep stack depth as expected by pushing oop which will eventually be discarde
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
    __ push(ltos);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
    __ bind(no_oop);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1179
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1180
    Label no_reguard;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
    __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
            JavaThread::stack_guard_yellow_disabled);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
    __ jcc(Assembler::notEqual, no_reguard);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1185
    __ pusha(); // XXX only save smashed registers
7401
ebde7415b521 6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents: 7397
diff changeset
  1186
    __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM)
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1187
    __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1188
    __ andptr(rsp, -16); // align stack as required by ABI
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
    __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages)));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1190
    __ mov(rsp, r12); // restore sp
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1191
    __ 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
  1192
    __ reinit_heapbase();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
    __ bind(no_reguard);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
  // The method register is junk from after the thread_in_native transition
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
  // until here.  Also can't call_VM until the bcp has been
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
  // restored.  Need bcp for throwing exception below so get it now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
  __ get_method(method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
  // restore r13 to have legal interpreter frame, i.e., bci == 0 <=>
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
  // r13 == code_base()
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1205
  __ movptr(r13, Address(method, Method::const_offset()));   // get ConstMethod*
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1206
  __ lea(r13, Address(r13, ConstMethod::codes_offset()));    // get codebase
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1207
  // handle exceptions (exception handling will handle unlocking!)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
    Label L;
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1210
    __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
    __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1212
    // Note: At some point we may want to unify this with the code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1213
    // used in call_VM_base(); i.e., we should use the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
    // StubRoutines::forward_exception code. For now this doesn't work
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1215
    // here because the rsp is not correctly set at this point.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1216
    __ MacroAssembler::call_VM(noreg,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1217
                               CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1218
                               InterpreterRuntime::throw_pending_exception));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1219
    __ should_not_reach_here();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1222
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1223
  // do unlocking if necessary
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1224
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1225
    Label L;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1226
    __ movl(t, Address(method, Method::access_flags_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
    __ testl(t, JVM_ACC_SYNCHRONIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1228
    __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1229
    // the code below should be shared with interpreter macro
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1230
    // assembler implementation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1231
    {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1232
      Label unlock;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1233
      // BasicObjectLock will be first in list, since this is a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1234
      // synchronized method. However, need to check that the object
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1235
      // has not been unlocked by an explicit monitorexit bytecode.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1236
      const Address monitor(rbp,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1237
                            (intptr_t)(frame::interpreter_frame_initial_sp_offset *
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1238
                                       wordSize - sizeof(BasicObjectLock)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1239
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1240
      // monitor expect in c_rarg1 for slow unlock path
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1241
      __ lea(c_rarg1, monitor); // address of first monitor
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1243
      __ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes()));
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1244
      __ testptr(t, t);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
      __ jcc(Assembler::notZero, unlock);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
      // Entry already unlocked, need to throw exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
      __ MacroAssembler::call_VM(noreg,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
                                 CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
                   InterpreterRuntime::throw_illegal_monitor_state_exception));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
      __ should_not_reach_here();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
      __ bind(unlock);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
      __ unlock_object(c_rarg1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
  // jvmti support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
  // Note: This must happen _after_ handling/throwing any exceptions since
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
  //       the exception handler code notifies the runtime of method exits
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
  //       too. If this happens before, method entry/exit notifications are
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  //       not properly paired (was bug - gri 11/22/99).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
  __ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
  // restore potential result in edx:eax, call result handler to
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
  // restore potential result in ST0 & handle result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1269
  __ pop(ltos);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
  __ pop(dtos);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1272
  __ movptr(t, Address(rbp,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1273
                       (frame::interpreter_frame_result_handler_offset) * wordSize));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
  __ call(t);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1275
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1276
  // remove activation
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1277
  __ movptr(t, Address(rbp,
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1278
                       frame::interpreter_frame_sender_sp_offset *
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1279
                       wordSize)); // get sender sp
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1280
  __ leave();                                // remove frame anchor
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1281
  __ pop(rdi);                               // get return address
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1282
  __ mov(rsp, t);                            // set sp to sender sp
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
  __ jmp(rdi);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1285
  if (inc_counter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1286
    // Handle overflow of counter and compile method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1287
    __ bind(invocation_counter_overflow);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
    generate_counter_overflow(&continue_after_compile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
  return entry_point;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
// Generic interpreted method entry to (asm) interpreter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
address InterpreterGenerator::generate_normal_entry(bool synchronized) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
  // determine code generation flags
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
  bool inc_counter  = UseCompiler || CountCompiledCalls;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1301
  // ebx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
  // r13: sender sp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
  address entry_point = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1305
  const Address size_of_parameters(rbx,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1306
                                   Method::size_of_parameters_offset());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1307
  const Address size_of_locals(rbx, Method::size_of_locals_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
  const Address invocation_counter(rbx,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1309
                                   Method::invocation_counter_offset() +
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
                                   InvocationCounter::counter_offset());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1311
  const Address access_flags(rbx, Method::access_flags_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
  // get parameter size (always needed)
2148
09c7f703773b 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents: 2131
diff changeset
  1314
  __ load_unsigned_short(rcx, size_of_parameters);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1316
  // rbx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
  // rcx: size of parameters
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
  // r13: sender_sp (could differ from sp+wordSize if we were called via c2i )
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1319
2148
09c7f703773b 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents: 2131
diff changeset
  1320
  __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
  __ subl(rdx, rcx); // rdx = no. of additional locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
  // YYY
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
//   __ incrementl(rdx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1325
//   __ andl(rdx, -2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1326
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1327
  // see if we've got enough room on the stack for locals plus overhead.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
  generate_stack_overflow_check();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
  // get return address
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1331
  __ pop(rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1332
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1333
  // compute beginning of parameters (r14)
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1334
  __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
  // rdx - # of additional locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
  // allocate space for locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1338
  // explicitly initialize locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1339
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
    Label exit, loop;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
    __ testl(rdx, rdx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
    __ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
    __ bind(loop);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1344
    __ push((int) NULL_WORD); // initialize local variables
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
    __ decrementl(rdx); // until everything initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
    __ jcc(Assembler::greater, loop);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
    __ bind(exit);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
  // (pre-)fetch invocation count
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
  if (inc_counter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
    __ movl(rcx, invocation_counter);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
  // initialize fixed part of activation frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
  generate_fixed_frame(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
  // make sure method is not native & not abstract
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
  __ movl(rax, access_flags);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1361
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
    __ testl(rax, JVM_ACC_NATIVE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
    __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1364
    __ stop("tried to execute native method as non-native");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
    __ testl(rax, JVM_ACC_ABSTRACT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
    __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
    __ stop("tried to execute abstract method in interpreter");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1376
  // Since at this point in the method invocation the exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
  // handler would try to exit the monitor of synchronized methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
  // which hasn't been entered yet, we set the thread local variable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1379
  // _do_not_unlock_if_synchronized to true. The remove_activation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
  // will check this flag.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1381
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1382
  const Address do_not_unlock_if_synchronized(r15_thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
        in_bytes(JavaThread::do_not_unlock_if_synchronized_offset()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
  __ movbool(do_not_unlock_if_synchronized, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
  // increment invocation count & check for overflow
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
  Label invocation_counter_overflow;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
  Label profile_method;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1389
  Label profile_method_continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1390
  if (inc_counter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1391
    generate_counter_incr(&invocation_counter_overflow,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
                          &profile_method,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
                          &profile_method_continue);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
    if (ProfileInterpreter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1395
      __ bind(profile_method_continue);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1396
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1397
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1398
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
  Label continue_after_compile;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
  __ bind(continue_after_compile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
  // check for synchronized interpreted methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
  bang_stack_shadow_pages(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1405
  // reset the _do_not_unlock_if_synchronized flag
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1406
  __ movbool(do_not_unlock_if_synchronized, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
  // check for synchronized methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1409
  // Must happen AFTER invocation_counter check and stack overflow check,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1410
  // so method is not locked if overflows.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1411
  if (synchronized) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1412
    // Allocate monitor and lock method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1413
    lock_method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1414
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1415
    // no synchronization necessary
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1416
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1417
    {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1418
      Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1419
      __ movl(rax, access_flags);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
      __ testl(rax, JVM_ACC_SYNCHRONIZED);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1421
      __ jcc(Assembler::zero, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
      __ stop("method needs synchronization");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1423
      __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1424
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1427
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
  // start execution
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
    Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
     const Address monitor_block_top (rbp,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
                 frame::interpreter_frame_monitor_block_top_offset * wordSize);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1434
    __ movptr(rax, monitor_block_top);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1435
    __ cmpptr(rax, rsp);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
    __ jcc(Assembler::equal, L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
    __ stop("broken stack frame setup in interpreter");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1438
    __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1439
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1440
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1441
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1442
  // jvmti support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
  __ notify_method_entry();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1444
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1445
  __ dispatch_next(vtos);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1446
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
  // invocation counter overflow
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
  if (inc_counter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
    if (ProfileInterpreter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
      // We have decided to profile this method in the interpreter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
      __ bind(profile_method);
7889
02144432d0e1 4930919: race condition in MDO creation at back branch locations
iveresov
parents: 7401
diff changeset
  1452
      __ 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
  1453
      __ set_method_data_pointer_for_bcp();
7912
6d73dee171ea 7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents: 7889
diff changeset
  1454
      __ get_method(rbx);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1455
      __ jmp(profile_method_continue);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1457
    // Handle overflow of counter and compile method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
    __ bind(invocation_counter_overflow);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
    generate_counter_overflow(&continue_after_compile);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
  return entry_point;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1463
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1464
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1465
// Entry points
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1466
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1467
// Here we generate the various kind of entries into the interpreter.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
// The two main entry type are generic bytecode methods and native
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
// call method.  These both come in synchronized and non-synchronized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
// versions but the frame layout they create is very similar. The
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
// other method entry types are really just special purpose entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
// that are really entry and interpretation all in one. These are for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
// trivial methods like accessor, empty, or special math methods.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1475
// When control flow reaches any of the entry types for the interpreter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
// the following holds ->
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
// Arguments:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
//
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1480
// rbx: Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
// Stack layout immediately at entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
// [ return address     ] <--- rsp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
// [ parameter n        ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
//   ...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
// [ parameter 1        ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
// [ expression stack   ] (caller's java expression stack)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
// Assuming that we don't go to one of the trivial specialized entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
// the stack will look like below when we are ready to execute the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
// first bytecode (or call the native routine). The register usage
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
// will be as the template based interpreter expects (see
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1494
// interpreter_amd64.hpp).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
// local variables follow incoming parameters immediately; i.e.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
// the return address is moved to the end of the locals).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
// [ monitor entry      ] <--- rsp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
//   ...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
// [ monitor entry      ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
// [ expr. stack bottom ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
// [ saved r13          ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
// [ current r14        ]
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1505
// [ Method*            ]
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
// [ saved ebp          ] <--- rbp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
// [ return address     ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
// [ local variable m   ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
//   ...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
// [ local variable 1   ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
// [ parameter n        ]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
//   ...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
// [ parameter 1        ] <--- r14
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1515
address AbstractInterpreterGenerator::generate_method_entry(
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
                                        AbstractInterpreter::MethodKind kind) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
  // determine code generation flags
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1518
  bool synchronized = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
  address entry_point = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
  switch (kind) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
  case Interpreter::zerolocals             :                                                                             break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
  case Interpreter::zerolocals_synchronized: synchronized = true;                                                        break;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1524
  case Interpreter::native                 : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(false); break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1525
  case Interpreter::native_synchronized    : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(true);  break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1526
  case Interpreter::empty                  : entry_point = ((InterpreterGenerator*)this)->generate_empty_entry();       break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1527
  case Interpreter::accessor               : entry_point = ((InterpreterGenerator*)this)->generate_accessor_entry();    break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1528
  case Interpreter::abstract               : entry_point = ((InterpreterGenerator*)this)->generate_abstract_entry();    break;
2530
8e437991f5c0 6539464: Math.log() produces inconsistent results between successive runs.
never
parents: 2148
diff changeset
  1529
8e437991f5c0 6539464: Math.log() produces inconsistent results between successive runs.
never
parents: 2148
diff changeset
  1530
  case Interpreter::java_lang_math_sin     : // fall thru
8e437991f5c0 6539464: Math.log() produces inconsistent results between successive runs.
never
parents: 2148
diff changeset
  1531
  case Interpreter::java_lang_math_cos     : // fall thru
8e437991f5c0 6539464: Math.log() produces inconsistent results between successive runs.
never
parents: 2148
diff changeset
  1532
  case Interpreter::java_lang_math_tan     : // fall thru
8e437991f5c0 6539464: Math.log() produces inconsistent results between successive runs.
never
parents: 2148
diff changeset
  1533
  case Interpreter::java_lang_math_abs     : // fall thru
8e437991f5c0 6539464: Math.log() produces inconsistent results between successive runs.
never
parents: 2148
diff changeset
  1534
  case Interpreter::java_lang_math_log     : // fall thru
8e437991f5c0 6539464: Math.log() produces inconsistent results between successive runs.
never
parents: 2148
diff changeset
  1535
  case Interpreter::java_lang_math_log10   : // fall thru
12739
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 11439
diff changeset
  1536
  case Interpreter::java_lang_math_sqrt    : // fall thru
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 11439
diff changeset
  1537
  case Interpreter::java_lang_math_pow     : // fall thru
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1538
  case Interpreter::java_lang_math_exp     : entry_point = ((InterpreterGenerator*)this)->generate_math_entry(kind);    break;
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
  1539
  case Interpreter::java_lang_ref_reference_get
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8315
diff changeset
  1540
                                           : entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); break;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1541
  default:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1542
    fatal(err_msg("unexpected method kind: %d", kind));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 12937
diff changeset
  1543
    break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1544
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1545
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
  if (entry_point) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1547
    return entry_point;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1549
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1550
  return ((InterpreterGenerator*) this)->
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
                                generate_normal_entry(synchronized);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1552
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1553
4645
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1554
// These should never be compiled since the interpreter will prefer
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1555
// the compiled version to the intrinsic version.
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1556
bool AbstractInterpreter::can_be_compiled(methodHandle m) {
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1557
  switch (method_kind(m)) {
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1558
    case Interpreter::java_lang_math_sin     : // fall thru
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1559
    case Interpreter::java_lang_math_cos     : // fall thru
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1560
    case Interpreter::java_lang_math_tan     : // fall thru
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1561
    case Interpreter::java_lang_math_abs     : // fall thru
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1562
    case Interpreter::java_lang_math_log     : // fall thru
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1563
    case Interpreter::java_lang_math_log10   : // fall thru
12739
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 11439
diff changeset
  1564
    case Interpreter::java_lang_math_sqrt    : // fall thru
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 11439
diff changeset
  1565
    case Interpreter::java_lang_math_pow     : // fall thru
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 11439
diff changeset
  1566
    case Interpreter::java_lang_math_exp     :
4645
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1567
      return false;
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1568
    default:
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1569
      return true;
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1570
  }
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1571
}
0c5f5b94e93a 6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents: 4564
diff changeset
  1572
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
// How much stack a method activation needs in words.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1574
int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
  const int entry_size = frame::interpreter_frame_monitor_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
  // total overhead size: entry_size + (saved rbp thru expr stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
  // bottom).  be sure to change this if you add/subtract anything
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
  // to/from the overhead area
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
  const int overhead_size =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
    -(frame::interpreter_frame_initial_sp_offset) + entry_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
  const int stub_code = frame::entry_frame_after_call_words;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1584
  const int extra_stack = Method::extra_stack_entries();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2530
diff changeset
  1585
  const int method_stack = (method->max_locals() + method->max_stack() + extra_stack) *
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
  1586
                           Interpreter::stackElementWords;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
  return (overhead_size + method_stack + stub_code);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1590
int AbstractInterpreter::layout_activation(Method* method,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
                                           int tempcount,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
                                           int popframe_extra_args,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
                                           int moncount,
9636
363ca5579aff 7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents: 9179
diff changeset
  1594
                                           int caller_actual_parameters,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1595
                                           int callee_param_count,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1596
                                           int callee_locals,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
                                           frame* caller,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
                                           frame* interpreter_frame,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1599
                                           bool is_top_frame) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
  // Note: This calculation must exactly parallel the frame setup
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1601
  // in AbstractInterpreterGenerator::generate_method_entry.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
  // If interpreter_frame!=NULL, set up the method, locals, and monitors.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
  // The frame interpreter_frame, if not NULL, is guaranteed to be the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
  // right size, as determined by a previous call to this method.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1605
  // It is also guaranteed to be walkable even though it is in a skeletal state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1606
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1607
  // fixed size of an interpreter frame:
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
  1608
  int max_locals = method->max_locals() * Interpreter::stackElementWords;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
  int extra_locals = (method->max_locals() - method->size_of_parameters()) *
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
  1610
                     Interpreter::stackElementWords;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1611
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
  int overhead = frame::sender_sp_offset -
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
                 frame::interpreter_frame_initial_sp_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
  // Our locals were accounted for by the caller (or last_frame_adjust
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1615
  // on the transistion) Since the callee parameters already account
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1616
  // for the callee's params we only need to account for the extra
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1617
  // locals.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1618
  int size = overhead +
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
  1619
         (callee_locals - callee_param_count)*Interpreter::stackElementWords +
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1620
         moncount * frame::interpreter_frame_monitor_size() +
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
  1621
         tempcount* Interpreter::stackElementWords + popframe_extra_args;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1622
  if (interpreter_frame != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1623
#ifdef ASSERT
8883
5569135acca3 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 8315
diff changeset
  1624
    if (!EnableInvokeDynamic)
4564
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
  1625
      // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences?
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
  1626
      // Probably, since deoptimization doesn't work yet.
55dfb20908d0 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 4478
diff changeset
  1627
      assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1628
    assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1629
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1630
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1631
    interpreter_frame->interpreter_frame_set_method(method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1632
    // NOTE the difference in using sender_sp and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1633
    // interpreter_frame_sender_sp interpreter_frame_sender_sp is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1634
    // the original sp of the caller (the unextended_sp) and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1635
    // sender_sp is fp+16 XXX
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1636
    intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
10966
0c9ed2dfc6a2 7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents: 10004
diff changeset
  1638
#ifdef ASSERT
0c9ed2dfc6a2 7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents: 10004
diff changeset
  1639
    if (caller->is_interpreted_frame()) {
0c9ed2dfc6a2 7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents: 10004
diff changeset
  1640
      assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement");
0c9ed2dfc6a2 7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents: 10004
diff changeset
  1641
    }
0c9ed2dfc6a2 7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents: 10004
diff changeset
  1642
#endif
0c9ed2dfc6a2 7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents: 10004
diff changeset
  1643
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
    interpreter_frame->interpreter_frame_set_locals(locals);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
    BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
    BasicObjectLock* monbot = montop - moncount;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
    interpreter_frame->interpreter_frame_set_monitor_end(monbot);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1648
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1649
    // Set last_sp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1650
    intptr_t*  esp = (intptr_t*) monbot -
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
  1651
                     tempcount*Interpreter::stackElementWords -
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1652
                     popframe_extra_args;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
    interpreter_frame->interpreter_frame_set_last_sp(esp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1655
    // All frames but the initial (oldest) interpreter frame we fill in have
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1656
    // a value for sender_sp that allows walking the stack but isn't
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1657
    // truly correct. Correct the value here.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1658
    if (extra_locals != 0 &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1659
        interpreter_frame->sender_sp() ==
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1660
        interpreter_frame->interpreter_frame_sender_sp()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1661
      interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1662
                                                         extra_locals);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1663
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1664
    *interpreter_frame->interpreter_frame_cache_addr() =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1665
      method->constants()->cache();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1666
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1667
  return size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1668
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1669
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1670
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1671
// Exceptions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1672
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1673
void TemplateInterpreterGenerator::generate_throw_exception() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
  // Entry point in previous activation (i.e., if the caller was
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
  // interpreted)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
  Interpreter::_rethrow_exception_entry = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
  // Restore sp to interpreter_frame_last_sp even though we are going
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
  // to empty the expression stack for the exception processing.
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1679
  __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
  // rax: exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
  // rdx: return address/pc that threw exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
  __ restore_bcp();    // r13 points to call/send
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
  __ restore_locals();
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 1
diff changeset
  1684
  __ reinit_heapbase();  // restore r12 as heapbase.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
  // Entry point for exceptions thrown within interpreter code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
  Interpreter::_throw_exception_entry = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1687
  // expression stack is undefined here
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
  // rax: exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
  // r13: exception bcp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
  __ verify_oop(rax);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1691
  __ mov(c_rarg1, rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
  // expression stack must be empty before entering the VM in case of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
  // an exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
  __ empty_expression_stack();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
  // find exception handler address and preserve exception oop
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
  __ call_VM(rdx,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
             CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
                          InterpreterRuntime::exception_handler_for_exception),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
             c_rarg1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
  // rax: exception handler entry point
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
  // rdx: preserved exception oop
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
  // r13: bcp for exception handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
  __ push_ptr(rdx); // push exception which is now the only value on the stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
  __ jmp(rax); // jump to exception handler (may be _remove_activation_entry!)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1706
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
  // If the exception is not handled in the current frame the frame is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
  // removed and the exception is rethrown (i.e. exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
  // continuation is _rethrow_exception).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1710
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1711
  // Note: At this point the bci is still the bxi for the instruction
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1712
  // which caused the exception and the expression stack is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1713
  // empty. Thus, for any VM calls at this point, GC will find a legal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1714
  // oop map (with empty expression stack).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1715
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
  // In current activation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
  // tos: exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
  // esi: exception bcp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1720
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1721
  // JVMTI PopFrame support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
  Interpreter::_remove_activation_preserving_args_entry = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
  __ empty_expression_stack();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1726
  // Set the popframe_processing bit in pending_popframe_condition
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
  // indicating that we are currently handling popframe, so that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
  // call_VMs that may happen later do not trigger new popframe
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
  // handling cycles.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
  __ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1731
  __ orl(rdx, JavaThread::popframe_processing_bit);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
  __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
    // Check to see whether we are returning to a deoptimized frame.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
    // (The PopFrame call ensures that the caller of the popped frame is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
    // either interpreted or compiled and deoptimizes it if compiled.)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
    // In this case, we can't call dispatch_next() after the frame is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
    // popped, but instead must save the incoming arguments and restore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
    // them after deoptimization has occurred.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
    //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1742
    // Note that we don't compare the return PC against the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
    // deoptimization blob's unpack entry because of the presence of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
    // adapter frames in C2.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
    Label caller_not_deoptimized;
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1746
    __ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
    __ super_call_VM_leaf(CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
                               InterpreterRuntime::interpreter_contains), c_rarg1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
    __ testl(rax, rax);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
    __ jcc(Assembler::notZero, caller_not_deoptimized);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
    // Compute size of arguments for saving when returning to
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
    // deoptimized caller
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
    __ get_method(rax);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1755
    __ load_unsigned_short(rax, Address(rax, in_bytes(Method::
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
                                                size_of_parameters_offset())));
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
  1757
    __ shll(rax, Interpreter::logStackElementSize);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
    __ restore_locals(); // XXX do we need this?
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1759
    __ subptr(r14, rax);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1760
    __ addptr(r14, wordSize);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
    // Save these arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
    __ super_call_VM_leaf(CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
                                           Deoptimization::
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
                                           popframe_preserve_args),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
                          r15_thread, rax, r14);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
    __ remove_activation(vtos, rdx,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
                         /* throw_monitor_exception */ false,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
                         /* install_monitor_exception */ false,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
                         /* notify_jvmdi */ false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
    // Inform deoptimization that it is responsible for restoring
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
    // these arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
    __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
            JavaThread::popframe_force_deopt_reexecution_bit);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
    // Continue in deoptimization handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
    __ jmp(rdx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1779
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
    __ bind(caller_not_deoptimized);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
  __ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
                       /* throw_monitor_exception */ false,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
                       /* install_monitor_exception */ false,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
                       /* notify_jvmdi */ false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1787
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
  // Finish with popframe handling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
  // A previous I2C followed by a deoptimization might have moved the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1790
  // outgoing arguments further up the stack. PopFrame expects the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1791
  // mutations to those outgoing arguments to be preserved and other
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1792
  // constraints basically require this frame to look exactly as
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
  // though it had previously invoked an interpreted activation with
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
  // no space between the top of the expression stack (current
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
  // last_sp) and the top of stack. Rather than force deopt to
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
  // maintain this kind of invariant all the time we call a small
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
  // fixup routine to move the mutated arguments onto the top of our
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
  // expression stack if necessary.
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1799
  __ mov(c_rarg1, rsp);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1800
  __ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1801
  // PC must point into interpreter here
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1802
  __ set_last_Java_frame(noreg, rbp, __ pc());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1803
  __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1804
  __ reset_last_Java_frame(true, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1805
  // Restore the last_sp and null it out
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1806
  __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1807
  __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1808
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
  __ restore_bcp();  // XXX do we need this?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
  __ restore_locals(); // XXX do we need this?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
  // The method data pointer was incremented already during
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
  // call profiling. We have to restore the mdp for the current bcp.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
  if (ProfileInterpreter) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
    __ set_method_data_pointer_for_bcp();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1816
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
  // Clear the popframe condition flag
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
  __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
          JavaThread::popframe_inactive);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1820
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
  __ dispatch_next(vtos);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
  // end of PopFrame support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
  Interpreter::_remove_activation_entry = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
  // preserve exception over this code sequence
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
  __ pop_ptr(rax);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1828
  __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1829
  // remove the activation (without doing throws on illegalMonitorExceptions)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
  __ remove_activation(vtos, rdx, false, true, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
  // restore exception
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1832
  __ get_vm_result(rax, r15_thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1833
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
  // In between activations - previous activation type unknown yet
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1835
  // compute continuation point - the continuation point expects the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1836
  // following registers set up:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1837
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1838
  // rax: exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1839
  // rdx: return address/pc that threw exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1840
  // rsp: expression stack of caller
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1841
  // rbp: ebp of caller
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1842
  __ push(rax);                                  // save exception
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1843
  __ push(rdx);                                  // save return address
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1844
  __ super_call_VM_leaf(CAST_FROM_FN_PTR(address,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1845
                          SharedRuntime::exception_handler_for_return_address),
5046
27e801a857cb 6919934: JSR 292 needs to support x86 C1
twisti
parents: 4645
diff changeset
  1846
                        r15_thread, rdx);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1847
  __ mov(rbx, rax);                              // save exception handler
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1848
  __ pop(rdx);                                   // restore return address
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1849
  __ pop(rax);                                   // restore exception
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1850
  // Note that an "issuing PC" is actually the next PC after the call
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1851
  __ jmp(rbx);                                   // jump to exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1852
                                                 // handler of caller
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1853
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1854
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1855
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1856
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1857
// JVMTI ForceEarlyReturn support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1858
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1859
address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1860
  address entry = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1861
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1862
  __ restore_bcp();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1863
  __ restore_locals();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1864
  __ empty_expression_stack();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1865
  __ load_earlyret_value(state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1866
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1867
  __ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1868
  Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1869
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1870
  // Clear the earlyret state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1871
  __ movl(cond_addr, JvmtiThreadState::earlyret_inactive);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
  __ remove_activation(state, rsi,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1874
                       false, /* throw_monitor_exception */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
                       false, /* install_monitor_exception */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1876
                       true); /* notify_jvmdi */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
  __ jmp(rsi);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1879
  return entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1880
} // end of ForceEarlyReturn support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1881
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1882
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1883
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1884
// Helper for vtos entry point generation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1885
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1886
void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1887
                                                         address& bep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1888
                                                         address& cep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1889
                                                         address& sep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1890
                                                         address& aep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1891
                                                         address& iep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1892
                                                         address& lep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1893
                                                         address& fep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1894
                                                         address& dep,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1895
                                                         address& vep) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1896
  assert(t->is_valid() && t->tos_in() == vtos, "illegal template");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
  Label L;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1898
  aep = __ pc();  __ push_ptr();  __ jmp(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
  fep = __ pc();  __ push_f();    __ jmp(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
  dep = __ pc();  __ push_d();    __ jmp(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
  lep = __ pc();  __ push_l();    __ jmp(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1902
  bep = cep = sep =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1903
  iep = __ pc();  __ push_i();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
  vep = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1905
  __ bind(L);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
  generate_and_dispatch(t);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
// Generation of individual instructions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
// helpers for generate_and_dispatch
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1915
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1916
InterpreterGenerator::InterpreterGenerator(StubQueue* code)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1917
  : TemplateInterpreterGenerator(code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
   generate_all(); // down here so it can be "virtual"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1919
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1920
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1921
//-----------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1922
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1923
// Non-product code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1924
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
address TemplateInterpreterGenerator::generate_trace_code(TosState state) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1926
  address entry = __ pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1927
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1928
  __ push(state);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1929
  __ push(c_rarg0);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1930
  __ push(c_rarg1);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1931
  __ push(c_rarg2);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1932
  __ push(c_rarg3);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1933
  __ mov(c_rarg2, rax);  // Pass itos
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1934
#ifdef _WIN64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1935
  __ movflt(xmm3, xmm0); // Pass ftos
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1936
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1937
  __ call_VM(noreg,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1938
             CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1939
             c_rarg1, c_rarg2, c_rarg3);
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1940
  __ pop(c_rarg3);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1941
  __ pop(c_rarg2);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1942
  __ pop(c_rarg1);
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1943
  __ pop(c_rarg0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1944
  __ pop(state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1945
  __ ret(0);                                   // return from result handler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
  return entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1948
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1949
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1950
void TemplateInterpreterGenerator::count_bytecode() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1951
  __ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1952
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1953
489c9b5090e2 Initial load
duke
parents:
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  1954
void TemplateInterpreterGenerator::histogram_bytecode(Template* t) {
489c9b5090e2 Initial load
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parents:
diff changeset
  1955
  __ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()]));
489c9b5090e2 Initial load
duke
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diff changeset
  1956
}
489c9b5090e2 Initial load
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  1957
489c9b5090e2 Initial load
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  1958
void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) {
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diff changeset
  1959
  __ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index));
489c9b5090e2 Initial load
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diff changeset
  1960
  __ shrl(rbx, BytecodePairHistogram::log2_number_of_codes);
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diff changeset
  1961
  __ orl(rbx,
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parents:
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  1962
         ((int) t->bytecode()) <<
489c9b5090e2 Initial load
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  1963
         BytecodePairHistogram::log2_number_of_codes);
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  1964
  __ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx);
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diff changeset
  1965
  __ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters));
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diff changeset
  1966
  __ incrementl(Address(rscratch1, rbx, Address::times_4));
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parents:
diff changeset
  1967
}
489c9b5090e2 Initial load
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diff changeset
  1968
489c9b5090e2 Initial load
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parents:
diff changeset
  1969
489c9b5090e2 Initial load
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parents:
diff changeset
  1970
void TemplateInterpreterGenerator::trace_bytecode(Template* t) {
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diff changeset
  1971
  // Call a little run-time stub to avoid blow-up for each bytecode.
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diff changeset
  1972
  // The run-time runtime saves the right registers, depending on
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parents:
diff changeset
  1973
  // the tosca in-state for the given template.
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parents:
diff changeset
  1974
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1975
  assert(Interpreter::trace_code(t->tos_in()) != NULL,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1976
         "entry must have been generated");
7401
ebde7415b521 6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents: 7397
diff changeset
  1977
  __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM)
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
never
parents: 670
diff changeset
  1978
  __ andptr(rsp, -16); // align stack as required by ABI
1
489c9b5090e2 Initial load
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diff changeset
  1979
  __ call(RuntimeAddress(Interpreter::trace_code(t->tos_in())));
1066
717c3345024f 5108146: Merge i486 and amd64 cpu directories
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parents: 670
diff changeset
  1980
  __ 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
  1981
  __ reinit_heapbase();
1
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diff changeset
  1982
}
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  1983
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  1984
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  1985
void TemplateInterpreterGenerator::stop_interpreter_at() {
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parents:
diff changeset
  1986
  Label L;
489c9b5090e2 Initial load
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diff changeset
  1987
  __ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value),
489c9b5090e2 Initial load
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parents:
diff changeset
  1988
           StopInterpreterAt);
489c9b5090e2 Initial load
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parents:
diff changeset
  1989
  __ jcc(Assembler::notEqual, L);
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parents:
diff changeset
  1990
  __ int3();
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diff changeset
  1991
  __ bind(L);
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duke
parents:
diff changeset
  1992
}
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diff changeset
  1993
#endif // !PRODUCT
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717c3345024f 5108146: Merge i486 and amd64 cpu directories
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parents: 670
diff changeset
  1994
#endif // ! CC_INTERP