// RedefineClasses() API support:
// If this constantPoolCacheEntry refers to old_method then update it
// to refer to new_method.
bool ConstantPoolCacheEntry::adjust_method_entry(methodOop old_method,
methodOop new_method, bool * trace_name_printed) {
if (is_vfinal()) {
// virtual and final so _f2 contains method ptr instead of vtable index
if (f2_as_vfinal_method() == old_method) {
// match old_method so need an update
// NOTE: can't use set_f2_as_vfinal_method as it asserts on different values
_f2 = (intptr_t)new_method;
if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
if (!(*trace_name_printed)) {
// RC_TRACE_MESG macro has an embedded ResourceMark
RC_TRACE_MESG(("adjust: name=%s",
Klass::cast(old_method->method_holder())->external_name()));
*trace_name_printed = true;
}
// RC_TRACE macro has an embedded ResourceMark
RC_TRACE(0x00400000, ("cpc vf-entry update: %s(%s)",
new_method->name()->as_C_string(),
new_method->signature()->as_C_string()));
}
return true;
}
// f1() is not used with virtual entries so bail out
return false;
}
if ((oop)_f1 == NULL) {
// NULL f1() means this is a virtual entry so bail out
// We are assuming that the vtable index does not need change.
return false;
}
if ((oop)_f1 == old_method) {
_f1 = new_method;
if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
if (!(*trace_name_printed)) {
// RC_TRACE_MESG macro has an embedded ResourceMark
RC_TRACE_MESG(("adjust: name=%s",
Klass::cast(old_method->method_holder())->external_name()));
*trace_name_printed = true;
}
// RC_TRACE macro has an embedded ResourceMark
RC_TRACE(0x00400000, ("cpc entry update: %s(%s)",
new_method->name()->as_C_string(),
new_method->signature()->as_C_string()));
}
return true;
}
return false;
}
static bool match_method(methodOop m, Symbol* n, Symbol* s) {
return (m->name() == n &&
m->signature() == s);
}