void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) {
address stub = find_stub();
guarantee(stub != NULL, "stub not found");
if (TraceICs) {
ResourceMark rm;
tty->print_cr("CompiledStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
p2i(instruction_address()),
callee->name_and_sig_as_C_string());
}
// Creation also verifies the object.
NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
#ifndef PRODUCT
NativeGeneralJump* jump = nativeGeneralJump_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(method_holder->data() == 0 || jump->jump_destination() == entry,
"b) MT-unsafe modification of inline cache");
#endif
// Update stub.
method_holder->set_data((intptr_t)callee());
NativeGeneralJump::insert_unconditional(method_holder->next_instruction_address(), entry);
ICache::invalidate_range(stub, to_interp_stub_size());
// Update jump to call.
set_destination_mt_safe(stub);
}
address Relocation::pd_call_destination(address orig_addr) {
intptr_t adj = 0;
if (orig_addr != NULL) {
// We just moved this call instruction from orig_addr to addr().
// This means its target will appear to have grown by addr() - orig_addr.
adj = -( addr() - orig_addr );
}
if (NativeCall::is_call_at(addr())) {
NativeCall* call = nativeCall_at(addr());
return call->destination() + adj;
}
if (NativeFarCall::is_call_at(addr())) {
NativeFarCall* call = nativeFarCall_at(addr());
return call->destination() + adj;
}
// Special case: Patchable branch local to the code cache.
// This will break badly if the code cache grows larger than a few Mb.
NativeGeneralJump* br = nativeGeneralJump_at(addr());
return br->jump_destination() + adj;
}
