src/cpu/zero/vm/interpreterRT_zero.hpp

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   1 /*
   2  * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007, 2008 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 





  26 class SignatureHandler {
  27  public:
  28   static SignatureHandler *from_handlerAddr(address handlerAddr) {
  29     return (SignatureHandler *) handlerAddr;
  30   }
  31 
  32  public:
  33   ffi_cif* cif() const {
  34     return (ffi_cif *) this;
  35   }
  36 
  37   int argument_count() const {
  38     return cif()->nargs;
  39   }
  40 
  41   ffi_type** argument_types() const {
  42     return (ffi_type**) (cif() + 1);
  43   }
  44 
  45   ffi_type* argument_type(int i) const {


 108 class SlowSignatureHandlerGenerator : public SignatureHandlerGeneratorBase {
 109  private:
 110   intptr_t *_dst;
 111 
 112  public:
 113   SlowSignatureHandlerGenerator(methodHandle method, intptr_t* buf)
 114     : SignatureHandlerGeneratorBase(method, (ffi_cif *) buf) {
 115     _dst = (intptr_t *) (cif() + 1);
 116   }
 117 
 118  private:
 119   void push(intptr_t value) {
 120     *(_dst++) = value;
 121   }
 122 
 123  public:
 124   SignatureHandler *handler() const {
 125     return (SignatureHandler *) cif();
 126   }
 127 };


   1 /*
   2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007, 2008 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP
  27 #define CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP
  28 
  29 #include "memory/allocation.hpp"
  30 
  31 class SignatureHandler {
  32  public:
  33   static SignatureHandler *from_handlerAddr(address handlerAddr) {
  34     return (SignatureHandler *) handlerAddr;
  35   }
  36 
  37  public:
  38   ffi_cif* cif() const {
  39     return (ffi_cif *) this;
  40   }
  41 
  42   int argument_count() const {
  43     return cif()->nargs;
  44   }
  45 
  46   ffi_type** argument_types() const {
  47     return (ffi_type**) (cif() + 1);
  48   }
  49 
  50   ffi_type* argument_type(int i) const {


 113 class SlowSignatureHandlerGenerator : public SignatureHandlerGeneratorBase {
 114  private:
 115   intptr_t *_dst;
 116 
 117  public:
 118   SlowSignatureHandlerGenerator(methodHandle method, intptr_t* buf)
 119     : SignatureHandlerGeneratorBase(method, (ffi_cif *) buf) {
 120     _dst = (intptr_t *) (cif() + 1);
 121   }
 122 
 123  private:
 124   void push(intptr_t value) {
 125     *(_dst++) = value;
 126   }
 127 
 128  public:
 129   SignatureHandler *handler() const {
 130     return (SignatureHandler *) cif();
 131   }
 132 };
 133 
 134 #endif // CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP