< prev index next >

src/hotspot/cpu/x86/interpreterRT_x86_64.cpp

Print this page


   1 /*
   2  * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "interpreter/interp_masm.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "memory/allocation.inline.hpp"

  30 #include "oops/method.hpp"
  31 #include "oops/oop.inline.hpp"
  32 #include "runtime/handles.inline.hpp"
  33 #include "runtime/icache.hpp"
  34 #include "runtime/interfaceSupport.inline.hpp"
  35 #include "runtime/signature.hpp"
  36 
  37 #define __ _masm->
  38 
  39 // Implementation of SignatureHandlerGenerator
  40 
  41 InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) :
  42     NativeSignatureIterator(method) {
  43   _masm = new MacroAssembler(buffer);
  44 #ifdef AMD64
  45 #ifdef _WIN64
  46   _num_args = (method->is_static() ? 1 : 0);
  47   _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
  48 #else
  49   _num_int_args = (method->is_static() ? 1 : 0);


 478   }
 479 
 480  public:
 481   SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to)
 482     : NativeSignatureIterator(method)
 483   {
 484     _from = from;
 485     _to   = to;
 486 
 487     _int_args = to - (method->is_static() ? 14 : 15);
 488     _fp_args =  to - 9;
 489     _fp_identifiers = to - 10;
 490     *(int*) _fp_identifiers = 0;
 491     _num_int_args = (method->is_static() ? 1 : 0);
 492     _num_fp_args = 0;
 493   }
 494 };
 495 #endif
 496 
 497 
 498 JRT_ENTRY(address,
 499           InterpreterRuntime::slow_signature_handler(JavaThread* thread,
 500                                                      Method* method,
 501                                                      intptr_t* from,
 502                                                      intptr_t* to))
 503   methodHandle m(thread, (Method*)method);
 504   assert(m->is_native(), "sanity check");
 505 
 506   // handle arguments
 507   SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
 508 
 509   // return result handler
 510   return Interpreter::result_handler(m->result_type());
 511 JRT_END
   1 /*
   2  * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "interpreter/interp_masm.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "memory/allocation.inline.hpp"
  30 #include "memory/universe.hpp"
  31 #include "oops/method.hpp"
  32 #include "oops/oop.inline.hpp"
  33 #include "runtime/handles.inline.hpp"
  34 #include "runtime/icache.hpp"
  35 #include "runtime/interfaceSupport.inline.hpp"
  36 #include "runtime/signature.hpp"
  37 
  38 #define __ _masm->
  39 
  40 // Implementation of SignatureHandlerGenerator
  41 
  42 InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) :
  43     NativeSignatureIterator(method) {
  44   _masm = new MacroAssembler(buffer);
  45 #ifdef AMD64
  46 #ifdef _WIN64
  47   _num_args = (method->is_static() ? 1 : 0);
  48   _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
  49 #else
  50   _num_int_args = (method->is_static() ? 1 : 0);


 479   }
 480 
 481  public:
 482   SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to)
 483     : NativeSignatureIterator(method)
 484   {
 485     _from = from;
 486     _to   = to;
 487 
 488     _int_args = to - (method->is_static() ? 14 : 15);
 489     _fp_args =  to - 9;
 490     _fp_identifiers = to - 10;
 491     *(int*) _fp_identifiers = 0;
 492     _num_int_args = (method->is_static() ? 1 : 0);
 493     _num_fp_args = 0;
 494   }
 495 };
 496 #endif
 497 
 498 
 499 IRT_ENTRY(address,
 500           InterpreterRuntime::slow_signature_handler(JavaThread* thread,
 501                                                      Method* method,
 502                                                      intptr_t* from,
 503                                                      intptr_t* to))
 504   methodHandle m(thread, (Method*)method);
 505   assert(m->is_native(), "sanity check");
 506 
 507   // handle arguments
 508   SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
 509 
 510   // return result handler
 511   return Interpreter::result_handler(m->result_type());
 512 IRT_END
< prev index next >