/hg/release/icedtea7-forest-2.3/hotspot: 8001307: Modify ACC_SUP...
andrew at icedtea.classpath.org
andrew at icedtea.classpath.org
Sat Feb 2 11:15:10 PST 2013
changeset f2b98ad97b3c in /hg/release/icedtea7-forest-2.3/hotspot
details: http://icedtea.classpath.org/hg/release/icedtea7-forest-2.3/hotspot?cmd=changeset;node=f2b98ad97b3c
author: kamg
date: Thu Nov 08 17:45:05 2012 -0500
8001307: Modify ACC_SUPER behavior
Summary: Disallow non-virtual calls even when ACC_SUPER is absent.
Reviewed-by: kvn, acorn
diffstat:
src/share/vm/interpreter/linkResolver.cpp | 2 +-
src/share/vm/runtime/globals.hpp | 5 ++++-
2 files changed, 5 insertions(+), 2 deletions(-)
diffs (27 lines):
diff -r beecf0b9e760 -r f2b98ad97b3c src/share/vm/interpreter/linkResolver.cpp
--- a/src/share/vm/interpreter/linkResolver.cpp Mon Jan 14 22:25:00 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 <init>
diff -r beecf0b9e760 -r f2b98ad97b3c src/share/vm/runtime/globals.hpp
--- a/src/share/vm/runtime/globals.hpp Mon Jan 14 22:25:00 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
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