--- old/src/hotspot/cpu/sparc/interpreterRT_sparc.cpp 2020-05-01 02:29:03.571651318 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,206 +0,0 @@ -/* - * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -#include "precompiled.hpp" -#include "asm/macroAssembler.inline.hpp" -#include "interpreter/interp_masm.hpp" -#include "interpreter/interpreter.hpp" -#include "interpreter/interpreterRuntime.hpp" -#include "memory/allocation.inline.hpp" -#include "oops/method.hpp" -#include "oops/oop.inline.hpp" -#include "runtime/handles.inline.hpp" -#include "runtime/icache.hpp" -#include "runtime/interfaceSupport.inline.hpp" -#include "runtime/signature.hpp" - - -#define __ _masm-> - - -// Implementation of SignatureHandlerGenerator -InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator( - const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) { - _masm = new MacroAssembler(buffer); -} - -void InterpreterRuntime::SignatureHandlerGenerator::pass_word(int size_of_arg, int offset_in_arg) { - Argument jni_arg(jni_offset() + offset_in_arg, false); - Register Rtmp = O0; - __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp); - - __ store_argument(Rtmp, jni_arg); -} - -void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { - Argument jni_arg(jni_offset(), false); - Register Rtmp = O0; - - __ ldx(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp); - __ store_long_argument(Rtmp, jni_arg); -} - - -void InterpreterRuntime::SignatureHandlerGenerator::pass_float() { - Argument jni_arg(jni_offset(), false); - FloatRegister Rtmp = F0; - __ ldf(FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp); - __ store_float_argument(Rtmp, jni_arg); -} - - -void InterpreterRuntime::SignatureHandlerGenerator::pass_double() { - Argument jni_arg(jni_offset(), false); - FloatRegister Rtmp = F0; - __ ldf(FloatRegisterImpl::D, Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp); - __ store_double_argument(Rtmp, jni_arg); -} - -void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { - Argument jni_arg(jni_offset(), false); - Argument java_arg( offset(), true); - Register Rtmp1 = O0; - Register Rtmp2 = jni_arg.is_register() ? jni_arg.as_register() : O0; - Register Rtmp3 = G3_scratch; - - // the handle for a receiver will never be null - bool do_NULL_check = offset() != 0 || is_static(); - - Address h_arg = Address(Llocals, Interpreter::local_offset_in_bytes(offset())); - __ ld_ptr(h_arg, Rtmp1); - if (!do_NULL_check) { - __ add(h_arg.base(), h_arg.disp(), Rtmp2); - } else { - if (Rtmp1 == Rtmp2) - __ tst(Rtmp1); - else __ addcc(G0, Rtmp1, Rtmp2); // optimize mov/test pair - Label L; - __ brx(Assembler::notZero, true, Assembler::pt, L); - __ delayed()->add(h_arg.base(), h_arg.disp(), Rtmp2); - __ bind(L); - } - __ store_ptr_argument(Rtmp2, jni_arg); // this is often a no-op -} - - -void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) { - - // generate code to handle arguments - iterate(fingerprint); - - // return result handler - AddressLiteral result_handler(Interpreter::result_handler(method()->result_type())); - __ sethi(result_handler, Lscratch); - __ retl(); - __ delayed()->add(Lscratch, result_handler.low10(), Lscratch); - - __ flush(); -} - - -// Implementation of SignatureHandlerLibrary - -void SignatureHandlerLibrary::pd_set_handler(address handler) {} - - -class SlowSignatureHandler: public NativeSignatureIterator { - private: - address _from; - intptr_t* _to; - intptr_t* _RegArgSignature; // Signature of first Arguments to be passed in Registers - uint _argcount; - - enum { // We need to differenciate float from non floats in reg args - non_float = 0, - float_sig = 1, - double_sig = 2, - long_sig = 3 - }; - - virtual void pass_int() { - *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); - _from -= Interpreter::stackElementSize; - add_signature( non_float ); - } - - virtual void pass_object() { - // pass address of from - intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); - *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; - _from -= Interpreter::stackElementSize; - add_signature( non_float ); - } - - virtual void pass_float() { - *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); - _from -= Interpreter::stackElementSize; - add_signature( float_sig ); - } - - virtual void pass_double() { - *_to++ = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); - _from -= 2*Interpreter::stackElementSize; - add_signature( double_sig ); - } - - virtual void pass_long() { - _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); - _to += 1; - _from -= 2*Interpreter::stackElementSize; - add_signature( long_sig ); - } - - virtual void add_signature( intptr_t sig_type ) { - if ( _argcount < (sizeof (intptr_t))*4 ) { - *_RegArgSignature |= (sig_type << (_argcount*2) ); - _argcount++; - } - } - - - public: - SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to, intptr_t *RegArgSig) : NativeSignatureIterator(method) { - _from = from; - _to = to; - _RegArgSignature = RegArgSig; - *_RegArgSignature = 0; - _argcount = method->is_static() ? 2 : 1; - } -}; - - -JRT_ENTRY(address, InterpreterRuntime::slow_signature_handler( - JavaThread* thread, - Method* method, - intptr_t* from, - intptr_t* to )) - methodHandle m(thread, method); - assert(m->is_native(), "sanity check"); - // handle arguments - // Warning: We use reg arg slot 00 temporarily to return the RegArgSignature - // back to the code that pops the arguments into the CPU registers - SlowSignatureHandler(m, (address)from, m->is_static() ? to+2 : to+1, to).iterate((uint64_t)CONST64(-1)); - // return result handler - return Interpreter::result_handler(m->result_type()); -JRT_END