src/share/vm/classfile/verifier.hpp

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   1 /*
   2  * Copyright (c) 1998, 2006, 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  */
  24 










  25 // The verifier class
  26 class Verifier : AllStatic {
  27  public:
  28   enum {
  29     STACKMAP_ATTRIBUTE_MAJOR_VERSION    = 50,
  30     INVOKEDYNAMIC_MAJOR_VERSION         = 51
  31   };
  32   typedef enum { ThrowException, NoException } Mode;
  33 
  34   /**
  35    * Verify the bytecodes for a class.  If 'throw_exception' is true
  36    * then the appropriate VerifyError or ClassFormatError will be thrown.
  37    * Otherwise, no exception is thrown and the return indicates the
  38    * error.
  39    */
  40   static bool verify(instanceKlassHandle klass, Mode mode, bool should_verify_class, TRAPS);
  41 
  42   // Return false if the class is loaded by the bootstrap loader,
  43   // or if defineClass was called requesting skipping verification
  44   // -Xverify:all/none override this value


 237       return 2;
 238     case T_DOUBLE:
 239       *inference_type = VerificationType::double_type();
 240       *++inference_type = VerificationType::double2_type();
 241       return 2;
 242     case T_INT:
 243     case T_BOOLEAN:
 244     case T_BYTE:
 245     case T_CHAR:
 246     case T_SHORT:
 247       *inference_type = VerificationType::integer_type();
 248       return 1;
 249     case T_FLOAT:
 250       *inference_type = VerificationType::float_type();
 251       return 1;
 252     default:
 253       ShouldNotReachHere();
 254       return 1;
 255   }
 256 }


   1 /*
   2  * Copyright (c) 1998, 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  */
  24 
  25 #ifndef SHARE_VM_CLASSFILE_VERIFIER_HPP
  26 #define SHARE_VM_CLASSFILE_VERIFIER_HPP
  27 
  28 #include "classfile/verificationType.hpp"
  29 #include "memory/gcLocker.hpp"
  30 #include "oops/klass.hpp"
  31 #include "oops/methodOop.hpp"
  32 #include "runtime/handles.hpp"
  33 #include "utilities/exceptions.hpp"
  34 
  35 // The verifier class
  36 class Verifier : AllStatic {
  37  public:
  38   enum {
  39     STACKMAP_ATTRIBUTE_MAJOR_VERSION    = 50,
  40     INVOKEDYNAMIC_MAJOR_VERSION         = 51
  41   };
  42   typedef enum { ThrowException, NoException } Mode;
  43 
  44   /**
  45    * Verify the bytecodes for a class.  If 'throw_exception' is true
  46    * then the appropriate VerifyError or ClassFormatError will be thrown.
  47    * Otherwise, no exception is thrown and the return indicates the
  48    * error.
  49    */
  50   static bool verify(instanceKlassHandle klass, Mode mode, bool should_verify_class, TRAPS);
  51 
  52   // Return false if the class is loaded by the bootstrap loader,
  53   // or if defineClass was called requesting skipping verification
  54   // -Xverify:all/none override this value


 247       return 2;
 248     case T_DOUBLE:
 249       *inference_type = VerificationType::double_type();
 250       *++inference_type = VerificationType::double2_type();
 251       return 2;
 252     case T_INT:
 253     case T_BOOLEAN:
 254     case T_BYTE:
 255     case T_CHAR:
 256     case T_SHORT:
 257       *inference_type = VerificationType::integer_type();
 258       return 1;
 259     case T_FLOAT:
 260       *inference_type = VerificationType::float_type();
 261       return 1;
 262     default:
 263       ShouldNotReachHere();
 264       return 1;
 265   }
 266 }
 267 
 268 #endif // SHARE_VM_CLASSFILE_VERIFIER_HPP