void CompiledStaticCall::verify() {
// Verify call.
NativeCall::verify();
if (os::is_MP()) {
verify_alignment();
}
// Verify stub.
address stub = find_stub();
assert(stub != NULL, "no stub found for static call");
// Creation also verifies the object.
NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
NativeJump* jump = nativeJump_at(method_holder->next_instruction_address());
// Verify state.
assert(is_clean() || is_call_to_compiled() || is_call_to_interpreted(), "sanity check");
}
void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) {
address stub=find_stub();
assert(stub!=NULL, "stub not found");
if (TraceICs) {
ResourceMark rm;
tty->print_cr("CompiledStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
instruction_address(),
callee->name_and_sig_as_C_string());
}
NativeMovConstReg* method_holder = nativeMovConstReg_at(stub); // creation also verifies the object
NativeJump* jump = nativeJump_at(method_holder->next_instruction_address());
assert(method_holder->data() == 0 || method_holder->data() == (intptr_t)callee(), "a) MT-unsafe modification of inline cache");
assert(jump->jump_destination() == (address)-1 || jump->jump_destination() == entry, "b) MT-unsafe modification of inline cache");
// Update stub
method_holder->set_data((intptr_t)callee());
jump->set_jump_destination(entry);
// Update jump to call
set_destination_mt_safe(stub);
}
static address find_itable_stub(int itable_index) { return find_stub(false, itable_index); }
static address find_vtable_stub(int vtable_index) { return find_stub(true, vtable_index); }