1 /*

     2  * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright (c) 2016 SAP SE. All rights reserved.

     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_S390_VM_INTERPRETERRT_S390_HPP

    27 #define CPU_S390_VM_INTERPRETERRT_S390_HPP

    28 

    29 #include "memory/allocation.hpp"

    30 

    31 static int binary_search(int key, LookupswitchPair* array, int n);

    32 

    33 static address iload (JavaThread* thread);

    34 static address aload (JavaThread* thread);

    35 static address istore(JavaThread* thread);

    36 static address astore(JavaThread* thread);

    37 static address iinc  (JavaThread* thread);

    38 

    39 // native method calls

    40 

    41 class SignatureHandlerGenerator: public NativeSignatureIterator {

    42  private:

    43   MacroAssembler* _masm;

    44   int _fp_arg_nr;

    45 

    46   void pass_int();

    47   void pass_long();

    48   void pass_double();

    49   void pass_float();

    50   void pass_object();

    51 

    52  public:

    53   // creation

    54   SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) {

    55     _masm = new MacroAssembler(buffer);

    56     _fp_arg_nr = 0;

    57   }

    58 

    59   // code generation

    60   void generate(uint64_t fingerprint);

    61 };

    62 

    63 static address get_result_handler(JavaThread* thread, Method* method);

    64 

    65 static address get_signature(JavaThread* thread, Method* method);

    66 

    67 #endif // CPU_S390_VM_INTERPRETERRT_S390_HPP