8006005: Fix constant pool index validation and alignment trap for method parameter reflection
Summary: This patch addresses an alignment trap due to the storage format of method parameters data in constMethod. It also adds code to validate constant pool indexes for method parameters data.
Reviewed-by: jrose, dholmes
Contributed-by: eric.mccorkle@oracle.com
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#include "precompiled.hpp"
#include "ci/ciClassList.hpp"
#include "ci/ciMemberName.hpp"
#include "ci/ciUtilities.hpp"
#include "classfile/javaClasses.hpp"
// ------------------------------------------------------------------
// ciMemberName::get_vmtarget
//
// Return: MN.vmtarget
ciMethod* ciMemberName::get_vmtarget() const {
VM_ENTRY_MARK;
// FIXME: Share code with ciMethodHandle::get_vmtarget
Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(get_oop());
if (vmtarget->is_method())
return CURRENT_ENV->get_method((Method*) vmtarget);
// FIXME: What if the vmtarget is a Klass?
assert(false, "");
return NULL;
}