Mercurial > hg > truffle
diff src/share/vm/interpreter/linkResolver.cpp @ 13401:22eaa15b7960
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
Summary: Add verification to check that invokespecial of an InterfaceMethodref names a method in a direct superinterface of the current class or interface in accordance with JSR 335, JVMS 4.9.2 Structural Constraints.
Reviewed-by: acorn, hseigel, coleenp
Contributed-by: lois.foltan@oracle.com
| author | hseigel |
|---|---|
| date | Tue, 26 Nov 2013 09:52:22 -0500 |
| parents | fce21ac5968d |
| children | 7a58803b5069 |
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--- a/src/share/vm/interpreter/linkResolver.cpp Sat Nov 23 12:25:13 2013 +0100 +++ b/src/share/vm/interpreter/linkResolver.cpp Tue Nov 26 09:52:22 2013 -0500 @@ -915,6 +915,25 @@ return; } + // check if invokespecial's interface method reference is in an indirect superinterface + if (!current_klass.is_null() && resolved_klass->is_interface()) { + Klass *klass_to_check = !InstanceKlass::cast(current_klass())->is_anonymous() ? + current_klass() : + InstanceKlass::cast(current_klass())->host_klass(); + + if (!InstanceKlass::cast(klass_to_check)->is_same_or_direct_interface(resolved_klass())) { + ResourceMark rm(THREAD); + char buf[200]; + jio_snprintf(buf, sizeof(buf), + "Interface method reference: %s, is in an indirect superinterface of %s", + Method::name_and_sig_as_C_string(resolved_klass(), + resolved_method->name(), + resolved_method->signature()), + current_klass->external_name()); + THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); + } + } + // check if not static if (resolved_method->is_static()) { ResourceMark rm(THREAD);