author | goetz |
Mon, 07 Dec 2015 15:42:47 +0100 | |
changeset 35112 | b3c4347bb751 |
parent 33465 | 6063f28a6efb |
child 34651 | 07b1cc0f6040 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "asm/macroAssembler.hpp" |
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#include "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/interp_masm.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 "prims/methodHandles.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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#ifdef COMPILER1 |
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#include "c1/c1_Runtime1.hpp" |
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#endif |
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#define __ _masm-> |
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#ifdef _WIN64 |
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address AbstractInterpreterGenerator::generate_slow_signature_handler() { |
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address entry = __ pc(); |
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||
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// rbx: method |
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// r14: pointer to locals |
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// c_rarg3: first stack arg - wordSize |
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__ mov(c_rarg3, rsp); |
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// adjust rsp |
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__ subptr(rsp, 4 * wordSize); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime::slow_signature_handler), |
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rbx, r14, c_rarg3); |
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||
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// rax: result handler |
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||
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// Stack layout: |
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// rsp: 3 integer or float args (if static first is unused) |
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// 1 float/double identifiers |
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// return address |
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// stack args |
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// garbage |
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// expression stack bottom |
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// bcp (NULL) |
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// ... |
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// Do FP first so we can use c_rarg3 as temp |
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__ movl(c_rarg3, Address(rsp, 3 * wordSize)); // float/double identifiers |
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for ( int i= 0; i < Argument::n_int_register_parameters_c-1; i++ ) { |
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XMMRegister floatreg = as_XMMRegister(i+1); |
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Label isfloatordouble, isdouble, next; |
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__ testl(c_rarg3, 1 << (i*2)); // Float or Double? |
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__ jcc(Assembler::notZero, isfloatordouble); |
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// Do Int register here |
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switch ( i ) { |
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case 0: |
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__ movl(rscratch1, Address(rbx, Method::access_flags_offset())); |
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__ testl(rscratch1, JVM_ACC_STATIC); |
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__ cmovptr(Assembler::zero, c_rarg1, Address(rsp, 0)); |
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break; |
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case 1: |
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__ movptr(c_rarg2, Address(rsp, wordSize)); |
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break; |
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case 2: |
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__ movptr(c_rarg3, Address(rsp, 2 * wordSize)); |
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break; |
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default: |
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break; |
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} |
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__ jmp (next); |
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__ bind(isfloatordouble); |
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__ testl(c_rarg3, 1 << ((i*2)+1)); // Double? |
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__ jcc(Assembler::notZero, isdouble); |
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// Do Float Here |
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__ movflt(floatreg, Address(rsp, i * wordSize)); |
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__ jmp(next); |
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// Do Double here |
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__ bind(isdouble); |
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__ movdbl(floatreg, Address(rsp, i * wordSize)); |
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__ bind(next); |
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} |
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// restore rsp |
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__ addptr(rsp, 4 * wordSize); |
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__ ret(0); |
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return entry; |
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} |
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#else |
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address AbstractInterpreterGenerator::generate_slow_signature_handler() { |
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address entry = __ pc(); |
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// rbx: method |
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// r14: pointer to locals |
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// c_rarg3: first stack arg - wordSize |
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__ mov(c_rarg3, rsp); |
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// adjust rsp |
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__ subptr(rsp, 14 * wordSize); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime::slow_signature_handler), |
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rbx, r14, c_rarg3); |
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// rax: result handler |
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// Stack layout: |
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// rsp: 5 integer args (if static first is unused) |
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// 1 float/double identifiers |
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// 8 double args |
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// return address |
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// stack args |
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// garbage |
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// expression stack bottom |
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// bcp (NULL) |
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// ... |
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// Do FP first so we can use c_rarg3 as temp |
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__ movl(c_rarg3, Address(rsp, 5 * wordSize)); // float/double identifiers |
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for (int i = 0; i < Argument::n_float_register_parameters_c; i++) { |
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const XMMRegister r = as_XMMRegister(i); |
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Label d, done; |
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__ testl(c_rarg3, 1 << i); |
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__ jcc(Assembler::notZero, d); |
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__ movflt(r, Address(rsp, (6 + i) * wordSize)); |
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__ jmp(done); |
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__ bind(d); |
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__ movdbl(r, Address(rsp, (6 + i) * wordSize)); |
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__ bind(done); |
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} |
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// Now handle integrals. Only do c_rarg1 if not static. |
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__ movl(c_rarg3, Address(rbx, Method::access_flags_offset())); |
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__ testl(c_rarg3, JVM_ACC_STATIC); |
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__ cmovptr(Assembler::zero, c_rarg1, Address(rsp, 0)); |
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__ movptr(c_rarg2, Address(rsp, wordSize)); |
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__ movptr(c_rarg3, Address(rsp, 2 * wordSize)); |
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__ movptr(c_rarg4, Address(rsp, 3 * wordSize)); |
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__ movptr(c_rarg5, Address(rsp, 4 * wordSize)); |
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// restore rsp |
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__ addptr(rsp, 14 * wordSize); |
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__ ret(0); |
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return entry; |
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} |
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#endif |
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// |
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// Various method entries |
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// |
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address InterpreterGenerator::generate_math_entry(AbstractInterpreter::MethodKind kind) { |
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// rbx,: Method* |
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// rcx: scratrch |
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// r13: sender sp |
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if (!InlineIntrinsics) return NULL; // Generate a vanilla entry |
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address entry_point = __ pc(); |
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// These don't need a safepoint check because they aren't virtually |
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// callable. We won't enter these intrinsics from compiled code. |
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// If in the future we added an intrinsic which was virtually callable |
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// we'd have to worry about how to safepoint so that this code is used. |
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// mathematical functions inlined by compiler |
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// (interpreter must provide identical implementation |
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// in order to avoid monotonicity bugs when switching |
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// from interpreter to compiler in the middle of some |
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// computation) |
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// |
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// stack: [ ret adr ] <-- rsp |
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// [ lo(arg) ] |
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// [ hi(arg) ] |
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// |
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// Note: For JDK 1.2 StrictMath doesn't exist and Math.sin/cos/sqrt are |
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// native methods. Interpreter::method_kind(...) does a check for |
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// native methods first before checking for intrinsic methods and |
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// thus will never select this entry point. Make sure it is not |
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// called accidentally since the SharedRuntime entry points will |
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// not work for JDK 1.2. |
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// |
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// We no longer need to check for JDK 1.2 since it's EOL'ed. |
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// The following check existed in pre 1.6 implementation, |
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// if (Universe::is_jdk12x_version()) { |
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// __ should_not_reach_here(); |
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// } |
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// Universe::is_jdk12x_version() always returns false since |
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// the JDK version is not yet determined when this method is called. |
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// This method is called during interpreter_init() whereas |
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// JDK version is only determined when universe2_init() is called. |
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// Note: For JDK 1.3 StrictMath exists and Math.sin/cos/sqrt are |
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// java methods. Interpreter::method_kind(...) will select |
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// this entry point for the corresponding methods in JDK 1.3. |
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1066 | 249 |
// get argument |
1 | 250 |
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1066 | 251 |
if (kind == Interpreter::java_lang_math_sqrt) { |
252 |
__ sqrtsd(xmm0, Address(rsp, wordSize)); |
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33089 | 253 |
} else if (kind == Interpreter::java_lang_math_exp) { |
254 |
__ movdbl(xmm0, Address(rsp, wordSize)); |
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__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dexp()))); |
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33465 | 256 |
} else if (kind == Interpreter::java_lang_math_log) { |
257 |
__ movdbl(xmm0, Address(rsp, wordSize)); |
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__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dlog()))); |
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1066 | 259 |
} else { |
260 |
__ fld_d(Address(rsp, wordSize)); |
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switch (kind) { |
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case Interpreter::java_lang_math_sin : |
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__ trigfunc('s'); |
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break; |
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case Interpreter::java_lang_math_cos : |
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__ trigfunc('c'); |
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break; |
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case Interpreter::java_lang_math_tan : |
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__ trigfunc('t'); |
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break; |
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case Interpreter::java_lang_math_abs: |
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272 |
__ fabs(); |
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273 |
break; |
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274 |
case Interpreter::java_lang_math_log10: |
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__ flog10(); |
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276 |
break; |
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case Interpreter::java_lang_math_pow: |
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__ fld_d(Address(rsp, 3*wordSize)); // second argument (one |
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// empty stack slot) |
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__ pow_with_fallback(0); |
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break; |
1066 | 282 |
default : |
283 |
ShouldNotReachHere(); |
|
284 |
} |
|
285 |
||
286 |
// return double result in xmm0 for interpreter and compilers. |
|
287 |
__ subptr(rsp, 2*wordSize); |
|
288 |
// Round to 64bit precision |
|
289 |
__ fstp_d(Address(rsp, 0)); |
|
290 |
__ movdbl(xmm0, Address(rsp, 0)); |
|
291 |
__ addptr(rsp, 2*wordSize); |
|
292 |
} |
|
293 |
||
294 |
||
295 |
__ pop(rax); |
|
296 |
__ mov(rsp, r13); |
|
1 | 297 |
__ jmp(rax); |
298 |
||
299 |
return entry_point; |
|
300 |
} |
|
301 |
||
302 |
void Deoptimization::unwind_callee_save_values(frame* f, vframeArray* vframe_array) { |
|
303 |
||
304 |
// This code is sort of the equivalent of C2IAdapter::setup_stack_frame back in |
|
305 |
// the days we had adapter frames. When we deoptimize a situation where a |
|
306 |
// compiled caller calls a compiled caller will have registers it expects |
|
307 |
// to survive the call to the callee. If we deoptimize the callee the only |
|
308 |
// way we can restore these registers is to have the oldest interpreter |
|
309 |
// frame that we create restore these values. That is what this routine |
|
310 |
// will accomplish. |
|
311 |
||
312 |
// At the moment we have modified c2 to not have any callee save registers |
|
313 |
// so this problem does not exist and this routine is just a place holder. |
|
314 |
||
315 |
assert(f->is_interpreted_frame(), "must be interpreted"); |
|
316 |
} |