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

8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

     1 /*

     2  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2012, 2013 SAP AG. 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  */

    26 #ifndef CPU_PPC_VM_INTERPRETERRT_PPC_HPP

    27 #define CPU_PPC_VM_INTERPRETERRT_PPC_HPP

    29 #include "memory/allocation.hpp"

    31 // native method calls

    33 class SignatureHandlerGenerator: public NativeSignatureIterator {

    34  private:

    35   MacroAssembler* _masm;

    36   // number of already used floating-point argument registers

    37   int _num_used_fp_arg_regs;

    39   void pass_int();

    40   void pass_long();

    41   void pass_double();

    42   void pass_float();

    43   void pass_object();

    45  public:

    46   // Creation

    47   SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) {

    48     _masm = new MacroAssembler(buffer);

    49     _num_used_fp_arg_regs = 0;

    50   }

    52   // Code generation

    53   void generate(uint64_t fingerprint);

    54 };

    56 // Support for generate_slow_signature_handler.

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

    59 // A function to get the signature.

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

    62 #endif // CPU_PPC_VM_INTERPRETERRT_PPC_HPP

src/cpu/ppc/vm/interpreterRT_ppc.hpp@41b780b43b74

src/cpu/ppc/vm/interpreterRT_ppc.hpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/cpu/ppc/vm/interpreterRT_ppc.hpp@41b780b43b74

src/cpu/ppc/vm/interpreterRT_ppc.hpp