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8048353: jstack -l crashes VM when a Java mirror for a primitive type is locked

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Reviewed-by: coleenp, dcubed
This commit is contained in:
Vladimir Kempik 2015-07-20 18:57:07 +03:00
parent 9ba9e4aecb
commit 6ab7533af1
3 changed files with 18 additions and 2 deletions
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16
hotspot/src/share/vm/classfile/javaClasses.cpp
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@ -809,6 +809,22 @@ Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found,
return name;
}
// Returns the Java name for this Java mirror (Resource allocated)
// See Klass::external_name().
// For primitive type Java mirrors, its type name is returned.
const char* java_lang_Class::as_external_name(oop java_class) {
assert(java_lang_Class::is_instance(java_class), "must be a Class object");
const char* name = NULL;
if (is_primitive(java_class)) {
name = type2name(primitive_type(java_class));
} else {
name = as_Klass(java_class)->external_name();
}
if (name == NULL) {
name = "<null>";
}
return name;
}
Klass* java_lang_Class::array_klass(oop java_class) {
Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset));