jdk8-mips64-public/hotspot: src/cpu/sparc/vm/interpreterRT

src/cpu/sparc/vm/interpreterRT_sparc.cpp@f95d63e2154a (annotated)

src/cpu/sparc/vm/interpreterRT_sparc.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author: stefank
date: Tue, 23 Nov 2010 13:22:55 -0800
changeset 2314: f95d63e2154a
parent 2036: 126ea7725993
child 4037: da91efe96a93
permissions: -rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

 /*
  * Copyright (c) 1998, 2010, 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/methodOop.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
 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;
 #ifdef _LP64
   __ ldx(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
   __ store_long_argument(Rtmp, jni_arg);
 #else
   __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
   __ store_argument(Rtmp, jni_arg);
   __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 0), Rtmp);
   Argument successor(jni_arg.successor());
   __ store_argument(Rtmp, successor);
 #endif
 }
 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
   Argument  jni_arg(jni_offset(), false);
 #ifdef _LP64
   FloatRegister  Rtmp = F0;
   __ ldf(FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp);
   __ store_float_argument(Rtmp, jni_arg);
 #else
   Register     Rtmp = O0;
   __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp);
   __ store_argument(Rtmp, jni_arg);
 #endif
 }
 void InterpreterRuntime::SignatureHandlerGenerator::pass_double() {
   Argument  jni_arg(jni_offset(), false);
 #ifdef _LP64
   FloatRegister  Rtmp = F0;
   __ ldf(FloatRegisterImpl::D, Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
   __ store_double_argument(Rtmp, jni_arg);
 #else
   Register  Rtmp = O0;
   __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
   __ store_argument(Rtmp, jni_arg);
   __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp);
   Argument successor(jni_arg.successor());
   __ store_argument(Rtmp, successor);
 #endif
 }
 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 );
    }
 #ifdef _LP64
   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 );
   }
 #else
    // pass_double() is pass_long() and pass_float() only _LP64
   virtual void pass_long() {
     _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
     _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
     _to += 2;
     _from -= 2*Interpreter::stackElementSize;
     add_signature( non_float );
   }
   virtual void pass_float() {
     *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
     _from -= Interpreter::stackElementSize;
     add_signature( non_float );
   }
 #endif // _LP64
   virtual void add_signature( intptr_t sig_type ) {
     if ( _argcount < (sizeof (intptr_t))*4 ) {
       *_RegArgSignature |= (sig_type << (_argcount*2) );
       _argcount++;
     }
   }
  public:
   SlowSignatureHandler(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;
   }
 };
 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(
                                                     JavaThread* thread,
                                                     methodOopDesc* 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(UCONST64(-1));
   // return result handler
   return Interpreter::result_handler(m->result_type());
 IRT_END

Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/sparc/vm/interpreterRT_sparc.cpp@f95d63e2154a (annotated)

src/cpu/sparc/vm/interpreterRT_sparc.cpp