/**
* Creates a stub for a call to code at a given address.
*
* @param address the address of the code to call
* @param descriptor the signature of the call to this stub
* @param prependThread true if the JavaThread value for the current thread is to be prepended to
* the arguments for the call to {@code address}
* @param reexecutable specifies if the stub call can be re-executed without (meaningful) side
* effects. Deoptimization will not return to a point before a stub call that cannot be
* re-executed.
* @param killedLocations the memory locations killed by the stub call
*/
public ForeignCallStub(
HotSpotJVMCIRuntimeProvider runtime,
HotSpotProviders providers,
long address,
ForeignCallDescriptor descriptor,
boolean prependThread,
Transition transition,
boolean reexecutable,
LocationIdentity... killedLocations) {
super(
providers,
HotSpotForeignCallLinkageImpl.create(
providers.getMetaAccess(),
providers.getCodeCache(),
providers.getForeignCalls(),
descriptor,
0L,
PRESERVES_REGISTERS,
JavaCall,
JavaCallee,
transition,
reexecutable,
killedLocations));
this.jvmciRuntime = runtime;
this.prependThread = prependThread;
Class<?>[] targetParameterTypes = createTargetParameters(descriptor);
ForeignCallDescriptor targetSig =
new ForeignCallDescriptor(
descriptor.getName() + ":C", descriptor.getResultType(), targetParameterTypes);
target =
HotSpotForeignCallLinkageImpl.create(
providers.getMetaAccess(),
providers.getCodeCache(),
providers.getForeignCalls(),
targetSig,
address,
DESTROYS_REGISTERS,
NativeCall,
NativeCall,
transition,
reexecutable,
killedLocations);
}
public Templates(HotSpotProviders providers, TargetDescription target) {
super(providers, providers.getSnippetReflection(), target);
}
