jdk8-mips64-public/hotspot: src/cpu/x86/vm/interpreterRT_x86

src/cpu/x86/vm/interpreterRT_x86_64.cpp@710a3c8b516e (annotated)

src/cpu/x86/vm/interpreterRT_x86_64.cpp

Tue, 08 Aug 2017 15:57:29 +0800

author: aoqi
date: Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876: 710a3c8b516e
parent 4037: da91efe96a93
parent 0: f90c822e73f8
child 9448: 73d689add964
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 2003, 2012, 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 "interpreter/interpreter.hpp"
 #include "interpreter/interpreterRuntime.hpp"
 #include "memory/allocation.inline.hpp"
 #include "memory/universe.inline.hpp"
 #include "oops/method.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/icache.hpp"
 #include "runtime/interfaceSupport.hpp"
 #include "runtime/signature.hpp"
 #define __ _masm->
 // Implementation of SignatureHandlerGenerator
 Register InterpreterRuntime::SignatureHandlerGenerator::from() { return r14; }
 Register InterpreterRuntime::SignatureHandlerGenerator::to()   { return rsp; }
 Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return rscratch1; }
 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
   const Address src(from(), Interpreter::local_offset_in_bytes(offset()));
 #ifdef _WIN64
   switch (_num_args) {
   case 0:
     __ movl(c_rarg1, src);
     _num_args++;
     break;
   case 1:
     __ movl(c_rarg2, src);
     _num_args++;
     break;
   case 2:
     __ movl(c_rarg3, src);
     _num_args++;
     break;
   default:
     __ movl(rax, src);
     __ movl(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
     break;
   }
 #else
   switch (_num_int_args) {
   case 0:
     __ movl(c_rarg1, src);
     _num_int_args++;
     break;
   case 1:
     __ movl(c_rarg2, src);
     _num_int_args++;
     break;
   case 2:
     __ movl(c_rarg3, src);
     _num_int_args++;
     break;
   case 3:
     __ movl(c_rarg4, src);
     _num_int_args++;
     break;
   case 4:
     __ movl(c_rarg5, src);
     _num_int_args++;
     break;
   default:
     __ movl(rax, src);
     __ movl(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
     break;
   }
 #endif
 }
 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
   const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1));
 #ifdef _WIN64
   switch (_num_args) {
   case 0:
     __ movptr(c_rarg1, src);
     _num_args++;
     break;
   case 1:
     __ movptr(c_rarg2, src);
     _num_args++;
     break;
   case 2:
     __ movptr(c_rarg3, src);
     _num_args++;
     break;
   case 3:
   default:
     __ movptr(rax, src);
     __ movptr(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
     break;
   }
 #else
   switch (_num_int_args) {
   case 0:
     __ movptr(c_rarg1, src);
     _num_int_args++;
     break;
   case 1:
     __ movptr(c_rarg2, src);
     _num_int_args++;
     break;
   case 2:
     __ movptr(c_rarg3, src);
     _num_int_args++;
     break;
   case 3:
     __ movptr(c_rarg4, src);
     _num_int_args++;
     break;
   case 4:
     __ movptr(c_rarg5, src);
     _num_int_args++;
     break;
   default:
     __ movptr(rax, src);
     __ movptr(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
     break;
   }
 #endif
 }
 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
   const Address src(from(), Interpreter::local_offset_in_bytes(offset()));
 #ifdef _WIN64
   if (_num_args < Argument::n_float_register_parameters_c-1) {
     __ movflt(as_XMMRegister(++_num_args), src);
   } else {
     __ movl(rax, src);
     __ movl(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
   }
 #else
   if (_num_fp_args < Argument::n_float_register_parameters_c) {
     __ movflt(as_XMMRegister(_num_fp_args++), src);
   } else {
     __ movl(rax, src);
     __ movl(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
   }
 #endif
 }
 void InterpreterRuntime::SignatureHandlerGenerator::pass_double() {
   const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1));
 #ifdef _WIN64
   if (_num_args < Argument::n_float_register_parameters_c-1) {
     __ movdbl(as_XMMRegister(++_num_args), src);
   } else {
     __ movptr(rax, src);
     __ movptr(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
   }
 #else
   if (_num_fp_args < Argument::n_float_register_parameters_c) {
     __ movdbl(as_XMMRegister(_num_fp_args++), src);
   } else {
     __ movptr(rax, src);
     __ movptr(Address(to(), _stack_offset), rax);
     _stack_offset += wordSize;
   }
 #endif
 }
 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
   const Address src(from(), Interpreter::local_offset_in_bytes(offset()));
 #ifdef _WIN64
   switch (_num_args) {
   case 0:
     assert(offset() == 0, "argument register 1 can only be (non-null) receiver");
     __ lea(c_rarg1, src);
     _num_args++;
     break;
   case 1:
     __ lea(rax, src);
     __ xorl(c_rarg2, c_rarg2);
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, c_rarg2, rax);
     _num_args++;
     break;
   case 2:
     __ lea(rax, src);
     __ xorl(c_rarg3, c_rarg3);
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, c_rarg3, rax);
     _num_args++;
     break;
   default:
     __ lea(rax, src);
     __ xorl(temp(), temp());
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, temp(), rax);
     __ movptr(Address(to(), _stack_offset), temp());
     _stack_offset += wordSize;
     break;
   }
 #else
   switch (_num_int_args) {
   case 0:
     assert(offset() == 0, "argument register 1 can only be (non-null) receiver");
     __ lea(c_rarg1, src);
     _num_int_args++;
     break;
   case 1:
     __ lea(rax, src);
     __ xorl(c_rarg2, c_rarg2);
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, c_rarg2, rax);
     _num_int_args++;
     break;
   case 2:
     __ lea(rax, src);
     __ xorl(c_rarg3, c_rarg3);
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, c_rarg3, rax);
     _num_int_args++;
     break;
   case 3:
     __ lea(rax, src);
     __ xorl(c_rarg4, c_rarg4);
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, c_rarg4, rax);
     _num_int_args++;
     break;
   case 4:
     __ lea(rax, src);
     __ xorl(c_rarg5, c_rarg5);
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, c_rarg5, rax);
     _num_int_args++;
     break;
   default:
     __ lea(rax, src);
     __ xorl(temp(), temp());
     __ cmpptr(src, 0);
     __ cmov(Assembler::notEqual, temp(), rax);
     __ movptr(Address(to(), _stack_offset), temp());
     _stack_offset += wordSize;
     break;
   }
 #endif
 }
 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) {
   // generate code to handle arguments
   iterate(fingerprint);
   // return result handler
   __ lea(rax, ExternalAddress(Interpreter::result_handler(method()->result_type())));
   __ ret(0);
   __ flush();
 }
 // Implementation of SignatureHandlerLibrary
 void SignatureHandlerLibrary::pd_set_handler(address handler) {}
 #ifdef _WIN64
 class SlowSignatureHandler
   : public NativeSignatureIterator {
  private:
   address   _from;
   intptr_t* _to;
   intptr_t* _reg_args;
   intptr_t* _fp_identifiers;
   unsigned int _num_args;
   virtual void pass_int()
   {
     jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
     _from -= Interpreter::stackElementSize;
     if (_num_args < Argument::n_int_register_parameters_c-1) {
       *_reg_args++ = from_obj;
       _num_args++;
     } else {
       *_to++ = from_obj;
     }
   }
   virtual void pass_long()
   {
     intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
     _from -= 2*Interpreter::stackElementSize;
     if (_num_args < Argument::n_int_register_parameters_c-1) {
       *_reg_args++ = from_obj;
       _num_args++;
     } else {
       *_to++ = from_obj;
     }
   }
   virtual void pass_object()
   {
     intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0));
     _from -= Interpreter::stackElementSize;
     if (_num_args < Argument::n_int_register_parameters_c-1) {
       *_reg_args++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr;
       _num_args++;
     } else {
       *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr;
     }
   }
   virtual void pass_float()
   {
     jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
     _from -= Interpreter::stackElementSize;
     if (_num_args < Argument::n_float_register_parameters_c-1) {
       *_reg_args++ = from_obj;
       *_fp_identifiers |= (intptr_t)(0x01 << (_num_args*2)); // mark as float
       _num_args++;
     } else {
       *_to++ = from_obj;
     }
   }
   virtual void pass_double()
   {
     intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
     _from -= 2*Interpreter::stackElementSize;
     if (_num_args < Argument::n_float_register_parameters_c-1) {
       *_reg_args++ = from_obj;
       *_fp_identifiers |= (intptr_t)(0x3 << (_num_args*2)); // mark as double
       _num_args++;
     } else {
       *_to++ = from_obj;
     }
   }
  public:
   SlowSignatureHandler(methodHandle method, address from, intptr_t* to)
     : NativeSignatureIterator(method)
   {
     _from = from;
     _to   = to;
     _reg_args = to - (method->is_static() ? 4 : 5);
     _fp_identifiers = to - 2;
     _to = _to + 4;  // Windows reserves stack space for register arguments
     *(int*) _fp_identifiers = 0;
     _num_args = (method->is_static() ? 1 : 0);
   }
 };
 #else
 class SlowSignatureHandler
   : public NativeSignatureIterator {
  private:
   address   _from;
   intptr_t* _to;
   intptr_t* _int_args;
   intptr_t* _fp_args;
   intptr_t* _fp_identifiers;
   unsigned int _num_int_args;
   unsigned int _num_fp_args;
   virtual void pass_int()
   {
     jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
     _from -= Interpreter::stackElementSize;
     if (_num_int_args < Argument::n_int_register_parameters_c-1) {
       *_int_args++ = from_obj;
       _num_int_args++;
     } else {
       *_to++ = from_obj;
     }
   }
   virtual void pass_long()
   {
     intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
     _from -= 2*Interpreter::stackElementSize;
     if (_num_int_args < Argument::n_int_register_parameters_c-1) {
       *_int_args++ = from_obj;
       _num_int_args++;
     } else {
       *_to++ = from_obj;
     }
   }
   virtual void pass_object()
   {
     intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0));
     _from -= Interpreter::stackElementSize;
     if (_num_int_args < Argument::n_int_register_parameters_c-1) {
       *_int_args++ = (*from_addr == 0) ? NULL : (intptr_t)from_addr;
       _num_int_args++;
     } else {
       *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr;
     }
   }
   virtual void pass_float()
   {
     jint from_obj = *(jint*)(_from+Interpreter::local_offset_in_bytes(0));
     _from -= Interpreter::stackElementSize;
     if (_num_fp_args < Argument::n_float_register_parameters_c) {
       *_fp_args++ = from_obj;
       _num_fp_args++;
     } else {
       *_to++ = from_obj;
     }
   }
   virtual void pass_double()
   {
     intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
     _from -= 2*Interpreter::stackElementSize;
     if (_num_fp_args < Argument::n_float_register_parameters_c) {
       *_fp_args++ = from_obj;
       *_fp_identifiers |= (1 << _num_fp_args); // mark as double
       _num_fp_args++;
     } else {
       *_to++ = from_obj;
     }
   }
  public:
   SlowSignatureHandler(methodHandle method, address from, intptr_t* to)
     : NativeSignatureIterator(method)
   {
     _from = from;
     _to   = to;
     _int_args = to - (method->is_static() ? 14 : 15);
     _fp_args =  to - 9;
     _fp_identifiers = to - 10;
     *(int*) _fp_identifiers = 0;
     _num_int_args = (method->is_static() ? 1 : 0);
     _num_fp_args = 0;
   }
 };
 #endif
 IRT_ENTRY(address,
           InterpreterRuntime::slow_signature_handler(JavaThread* thread,
                                                      Method* method,
                                                      intptr_t* from,
                                                      intptr_t* to))
   methodHandle m(thread, (Method*)method);
   assert(m->is_native(), "sanity check");
   // handle arguments
   SlowSignatureHandler(m, (address)from, to + 1).iterate(UCONST64(-1));
   // return result handler
   return Interpreter::result_handler(m->result_type());
 IRT_END

Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/x86/vm/interpreterRT_x86_64.cpp@710a3c8b516e (annotated)

src/cpu/x86/vm/interpreterRT_x86_64.cpp