# HG changeset patch # User kamg # Date 1352414705 18000 # Node ID da3747196112fca6f8f3db3b80712bcd3b10c477 # Parent 60d6e32e00a6a2d183c4f9db3bf38b68a27d4b2c 8001307: Modify ACC_SUPER behavior Summary: Disallow non-virtual calls even when ACC_SUPER is absent. Reviewed-by: kvn, acorn diff -r 60d6e32e00a6 -r da3747196112 src/share/vm/interpreter/linkResolver.cpp --- a/src/share/vm/interpreter/linkResolver.cpp Mon Jan 14 22:54:04 2013 +0000 +++ b/src/share/vm/interpreter/linkResolver.cpp Thu Nov 08 17:45:05 2012 -0500 @@ -712,7 +712,7 @@ if (check_access && // a) check if ACC_SUPER flag is set for the current class - current_klass->is_super() && + (current_klass->is_super() || !AllowNonVirtualCalls) && // b) check if the method class is a superclass of the current class (superclass relation is not reflexive!) current_klass->is_subtype_of(method_klass()) && current_klass() != method_klass() && // c) check if the method is not diff -r 60d6e32e00a6 -r da3747196112 src/share/vm/runtime/globals.hpp --- a/src/share/vm/runtime/globals.hpp Mon Jan 14 22:54:04 2013 +0000 +++ b/src/share/vm/runtime/globals.hpp Thu Nov 08 17:45:05 2012 -0500 @@ -3902,7 +3902,10 @@ product(bool, UseVMInterruptibleIO, false, \ "(Unstable, Solaris-specific) Thread interrupt before or with " \ "EINTR for I/O operations results in OS_INTRPT. The default value"\ - " of this flag is true for JDK 6 and earlier") + " of this flag is true for JDK 6 and earlier") \ + \ + product(bool, AllowNonVirtualCalls, false, \ + "Obey the ACC_SUPER flag and allow invokenonvirtual calls") /* * Macros for factoring of globals