jdk8-mips64-public/hotspot: src/share/vm/utilities/constantTag.cpp@36c186bcc085

6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
Summary: enhance the error reporting mechanism to help user to fix the problem rather than making it look like a VM error.
Reviewed-by: kvn, kamg

     1 /*

     2  * Copyright (c) 1997, 2010, 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 #include "precompiled.hpp"

    26 #include "utilities/constantTag.hpp"

    28 #ifndef PRODUCT

    30 void constantTag::print_on(outputStream* st) const {

    31   st->print(internal_name());

    32 }

    34 #endif // PRODUCT

    36 BasicType constantTag::basic_type() const {

    37   switch (_tag) {

    38     case JVM_CONSTANT_Integer :

    39       return T_INT;

    40     case JVM_CONSTANT_Float :

    41       return T_FLOAT;

    42     case JVM_CONSTANT_Long :

    43       return T_LONG;

    44     case JVM_CONSTANT_Double :

    45       return T_DOUBLE;

    47     case JVM_CONSTANT_Class :

    48     case JVM_CONSTANT_String :

    49     case JVM_CONSTANT_UnresolvedClass :

    50     case JVM_CONSTANT_UnresolvedClassInError :

    51     case JVM_CONSTANT_ClassIndex :

    52     case JVM_CONSTANT_UnresolvedString :

    53     case JVM_CONSTANT_StringIndex :

    54     case JVM_CONSTANT_MethodHandle :

    55     case JVM_CONSTANT_MethodType :

    56     case JVM_CONSTANT_Object :

    57       return T_OBJECT;

    58     default:

    59       ShouldNotReachHere();

    60       return T_ILLEGAL;

    61   }

    62 }

    66 const char* constantTag::internal_name() const {

    67   switch (_tag) {

    68     case JVM_CONSTANT_Invalid :

    69       return "Invalid index";

    70     case JVM_CONSTANT_Class :

    71       return "Class";

    72     case JVM_CONSTANT_Fieldref :

    73       return "Field";

    74     case JVM_CONSTANT_Methodref :

    75       return "Method";

    76     case JVM_CONSTANT_InterfaceMethodref :

    77       return "InterfaceMethod";

    78     case JVM_CONSTANT_String :

    79       return "String";

    80     case JVM_CONSTANT_Integer :

    81       return "Integer";

    82     case JVM_CONSTANT_Float :

    83       return "Float";

    84     case JVM_CONSTANT_Long :

    85       return "Long";

    86     case JVM_CONSTANT_Double :

    87       return "Double";

    88     case JVM_CONSTANT_NameAndType :

    89       return "NameAndType";

    90     case JVM_CONSTANT_MethodHandle :

    91       return "MethodHandle";

    92     case JVM_CONSTANT_MethodType :

    93       return "MethodType";

    94     case JVM_CONSTANT_InvokeDynamic :

    95       return "InvokeDynamic";

    96     case JVM_CONSTANT_InvokeDynamicTrans :

    97       return "InvokeDynamic/transitional";

    98     case JVM_CONSTANT_Object :

    99       return "Object";

   100     case JVM_CONSTANT_Utf8 :

   101       return "Utf8";

   102     case JVM_CONSTANT_UnresolvedClass :

   103       return "Unresolved Class";

   104     case JVM_CONSTANT_UnresolvedClassInError :

   105       return "Unresolved Class Error";

   106     case JVM_CONSTANT_ClassIndex :

   107       return "Unresolved Class Index";

   108     case JVM_CONSTANT_UnresolvedString :

   109       return "Unresolved String";

   110     case JVM_CONSTANT_StringIndex :

   111       return "Unresolved String Index";

   112     default:

   113       ShouldNotReachHere();

   114       return "Illegal";

   115   }

   116 }

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

src/share/vm/utilities/constantTag.cpp@36c186bcc085

src/share/vm/utilities/constantTag.cpp