jdk8-mips64-public/hotspot: src/share/vm/ci/ciMethodType.hpp@c775af091fe9

8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
Reviewed-by: kvn

     1 /*

     2  * Copyright (c) 2012, 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  */

    25 #ifndef SHARE_VM_CI_CIMETHODTYPE_HPP

    26 #define SHARE_VM_CI_CIMETHODTYPE_HPP

    28 #include "ci/ciInstance.hpp"

    29 #include "ci/ciUtilities.hpp"

    30 #include "classfile/javaClasses.hpp"

    32 // ciMethodType

    33 //

    34 // The class represents a java.lang.invoke.MethodType object.

    35 class ciMethodType : public ciInstance {

    36 private:

    37   ciType* class_to_citype(oop klass_oop) const {

    38     if (java_lang_Class::is_primitive(klass_oop)) {

    39       BasicType bt = java_lang_Class::primitive_type(klass_oop);

    40       return ciType::make(bt);

    41     } else {

    42       Klass* k = java_lang_Class::as_Klass(klass_oop);

    43       return CURRENT_ENV->get_klass(k);

    44     }

    45   }

    47 public:

    48   ciMethodType(instanceHandle h_i) : ciInstance(h_i) {}

    50   // What kind of ciObject is this?

    51   bool is_method_type() const { return true; }

    53   ciType* rtype() const {

    54     GUARDED_VM_ENTRY(

    55       oop rtype = java_lang_invoke_MethodType::rtype(get_oop());

    56       return class_to_citype(rtype);

    57     )

    58   }

    60   int ptype_count() const {

    61     GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());)

    62   }

    64   int ptype_slot_count() const {

    65     GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());)

    66   }

    68   ciType* ptype_at(int index) const {

    69     GUARDED_VM_ENTRY(

    70       oop ptype = java_lang_invoke_MethodType::ptype(get_oop(), index);

    71       return class_to_citype(ptype);

    72     )

    73   }

    74 };

    76 #endif // SHARE_VM_CI_CIMETHODTYPE_HPP

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