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package com.oracle.truffle.llvm.nodes.intrinsics.interop;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.NodeChildren;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.ArityException;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.interop.Message;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.llvm.nodes.intrinsics.llvm.LLVMIntrinsic;
import com.oracle.truffle.llvm.runtime.LLVMAddress;
import com.oracle.truffle.llvm.runtime.LLVMFunction;
import com.oracle.truffle.llvm.runtime.LLVMFunctionDescriptor;
import com.oracle.truffle.llvm.runtime.LLVMFunctionHandle;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
@NodeChildren({@NodeChild(type = LLVMExpressionNode.class), @NodeChild(type = LLVMExpressionNode.class)})
public abstract class LLVMSulongFunctionToNativePointer extends LLVMIntrinsic {
@TruffleBoundary
protected LLVMFunctionDescriptor lookupFunction(LLVMFunctionHandle function) {
return getContext().lookup(function);
}
@TruffleBoundary
protected LLVMFunctionDescriptor lookupFunction(LLVMAddress function) {
return getContext().lookup(LLVMFunctionHandle.createHandle(function.getVal()));
}
@TruffleBoundary
protected TruffleObject identityFunction(LLVMAddress signature) {
return getContext().getNativeLookup().getNativeFunction("@identity", String.format("(%s):POINTER", readString(signature)));
}
protected boolean isSulong(LLVMAddress address) {
return LLVMFunction.isSulongFunctionPointer(address.getVal());
}
@Child private Node execute = Message.createExecute(1).createNode();
@Child private Node asPointer = Message.AS_POINTER.createNode();
@SuppressWarnings("unused")
@Specialization(guards = {"isSulong(pointer)", "pointer.getVal() == cachedPointer.getVal()",
"signature.getVal() == cachedSignature.getVal()"})
LLVMAddress bothCached(LLVMAddress pointer, LLVMAddress signature,
@Cached("pointer") LLVMAddress cachedPointer,
@Cached("signature") LLVMAddress cachedSignature,
@Cached("lookupFunction(pointer)") LLVMFunctionDescriptor descriptor,
@Cached("identityFunction(signature)") TruffleObject identity) {
try {
TruffleObject nativePointer = (TruffleObject) ForeignAccess.sendExecute(execute, identity,
descriptor);
return LLVMAddress.fromLong(ForeignAccess.sendAsPointer(asPointer, nativePointer));
} catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
@SuppressWarnings("unused")
@Specialization(guards = {"isSulong(pointer)", "signature.getVal() == cachedSignature.getVal()"})
LLVMAddress signatureCached(LLVMAddress pointer, LLVMAddress signature,
@Cached("signature") LLVMAddress cachedSignature,
@Cached("identityFunction(signature)") TruffleObject identity) {
try {
TruffleObject nativePointer = (TruffleObject) ForeignAccess.sendExecute(execute, identity,
lookupFunction(pointer));
return LLVMAddress.fromLong(ForeignAccess.sendAsPointer(asPointer, nativePointer));
} catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
@SuppressWarnings("unused")
@Specialization(guards = {"handle.isSulong()", "handle.getFunctionPointer() == cachedHandle.getFunctionPointer()",
"signature.getVal() == cachedSignature.getVal()"})
LLVMAddress bothCached(LLVMFunctionHandle handle, LLVMAddress signature,
@Cached("handle") LLVMFunctionHandle cachedHandle,
@Cached("signature") LLVMAddress cachedSignature,
@Cached("lookupFunction(handle)") LLVMFunctionDescriptor descriptor,
@Cached("identityFunction(signature)") TruffleObject identity) {
try {
TruffleObject nativePointer = (TruffleObject) ForeignAccess.sendExecute(execute, identity,
descriptor);
return LLVMAddress.fromLong(ForeignAccess.sendAsPointer(asPointer, nativePointer));
} catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
@SuppressWarnings("unused")
@Specialization(guards = {"handle.isSulong()", "signature.getVal() == cachedSignature.getVal()"})
LLVMAddress signatureCached(LLVMFunctionHandle handle, LLVMAddress signature,
@Cached("signature") LLVMAddress cachedSignature,
@Cached("identityFunction(signature)") TruffleObject identity) {
try {
TruffleObject nativePointer = (TruffleObject) ForeignAccess.sendExecute(execute, identity,
lookupFunction(handle));
return LLVMAddress.fromLong(ForeignAccess.sendAsPointer(asPointer, nativePointer));
} catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
@Specialization(guards = "handle.isSulong()")
LLVMAddress generic(LLVMFunctionHandle handle, LLVMAddress signature) {
try {
TruffleObject nativePointer = (TruffleObject) ForeignAccess.sendExecute(execute,
identityFunction(signature), lookupFunction(handle));
return LLVMAddress.fromLong(ForeignAccess.sendAsPointer(asPointer, nativePointer));
} catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
@SuppressWarnings("unused")
@Specialization(guards = "handle.isExternNative()")
LLVMAddress extern(LLVMFunctionHandle handle, LLVMAddress signature) {
return LLVMAddress.fromLong(handle.getFunctionPointer());
}
@SuppressWarnings("unused")
@Specialization(guards = "!isSulong(address)")
LLVMAddress extern(LLVMAddress address, LLVMAddress signature) {
return address;
}
@SuppressWarnings("unused")
@Specialization(guards = {"signature.getVal() == cachedSignature.getVal()"})
LLVMAddress signatureCached(LLVMFunctionDescriptor handle, LLVMAddress signature,
@Cached("signature") LLVMAddress cachedSignature,
@Cached("identityFunction(signature)") TruffleObject identity) {
try {
TruffleObject nativePointer = (TruffleObject) ForeignAccess.sendExecute(execute, identity,
handle);
return LLVMAddress.fromLong(ForeignAccess.sendAsPointer(asPointer, nativePointer));
} catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
@Specialization
LLVMAddress generic(LLVMFunctionDescriptor handle, LLVMAddress signature) {
try {
TruffleObject nativePointer = (TruffleObject) ForeignAccess.sendExecute(execute, identityFunction(signature), handle);
return LLVMAddress.fromLong(ForeignAccess.sendAsPointer(asPointer, nativePointer));
} catch (UnsupportedTypeException | ArityException | UnsupportedMessageException e) {
CompilerDirectives.transferToInterpreter();
throw new IllegalStateException(e);
}
}
}