コード例 #1
0
ファイル: typemap.go プロジェクト: quarnster/llgo
func (tm *TypeMap) interfaceRuntimeType(tstr string, i *types.Interface) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(i, reflect.Interface)
	interfaceType := llvm.ConstNull(tm.runtimeInterfaceType)
	global, ptr = tm.makeRuntimeTypeGlobal(interfaceType)
	tm.types.record(tstr, global, ptr)
	interfaceType = llvm.ConstInsertValue(interfaceType, rtype, []uint32{0})
	methodset := i.MethodSet()
	imethods := make([]llvm.Value, methodset.Len())
	for index := 0; index < methodset.Len(); index++ {
		method := methodset.At(index).Obj()
		imethod := llvm.ConstNull(tm.runtimeImethod)
		name := tm.globalStringPtr(method.Name())
		name = llvm.ConstBitCast(name, tm.runtimeImethod.StructElementTypes()[0])
		//pkgpath := tm.globalStringPtr(tm.functions.objectdata[method].Package.Path())
		//pkgpath = llvm.ConstBitCast(name, tm.runtimeImethod.StructElementTypes()[1])
		mtyp := tm.ToRuntime(method.Type())
		imethod = llvm.ConstInsertValue(imethod, name, []uint32{0})
		//imethod = llvm.ConstInsertValue(imethod, pkgpath, []uint32{1})
		imethod = llvm.ConstInsertValue(imethod, mtyp, []uint32{2})
		imethods[index] = imethod
	}
	imethodsSliceType := tm.runtimeInterfaceType.StructElementTypes()[1]
	imethodsSlice := tm.makeSlice(imethods, imethodsSliceType)
	interfaceType = llvm.ConstInsertValue(interfaceType, imethodsSlice, []uint32{1})
	global.SetInitializer(interfaceType)
	return global, ptr
}
コード例 #2
0
ファイル: main.go プロジェクト: octabrain/llgo
func reorderGlobalConstructors(m llvm.Module) error {
	ctors := m.NamedGlobal("llvm.global_ctors")
	if ctors.IsNil() {
		// No global constructors.
		return nil
	}

	init := ctors.Initializer()
	arraylength := init.Type().ArrayLength()
	zeroindex := []uint32{0}

	// The constructors are ordered within each package, but the packages
	// are in reverse order. We must go backwards through the constructors,
	// reassigning priorities.
	ceiling, npackagectors := -1, -1
	for i := arraylength - 1; i >= 0; i-- {
		indices := []uint32{uint32(i)}
		ctor := llvm.ConstExtractValue(init, indices)
		priority := int(llvm.ConstExtractValue(ctor, zeroindex).ZExtValue())
		if npackagectors == -1 {
			ceiling = arraylength - (i + 1) + priority
			npackagectors = priority
		}
		newpriority := ceiling - (npackagectors - priority)
		newpriorityvalue := llvm.ConstInt(llvm.Int32Type(), uint64(newpriority), false)
		ctor = llvm.ConstInsertValue(ctor, newpriorityvalue, zeroindex)
		if priority == 1 {
			npackagectors = -1
		}
		init = llvm.ConstInsertValue(init, ctor, indices)
	}
	ctors.SetInitializer(init)
	return nil
}
コード例 #3
0
ファイル: typemap.go プロジェクト: minux/llgo
func (tm *TypeMap) interfaceRuntimeType(i *types.Interface) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(i, reflect.Interface)
	interfaceType := llvm.ConstNull(tm.runtime.interfaceType.llvm)
	global, ptr = tm.makeRuntimeTypeGlobal(interfaceType, typeString(i))
	tm.types.Set(i, runtimeTypeInfo{global, ptr})
	interfaceType = llvm.ConstInsertValue(interfaceType, rtype, []uint32{0})
	methodset := tm.MethodSet(i)
	imethods := make([]llvm.Value, methodset.Len())
	for index := 0; index < methodset.Len(); index++ {
		method := methodset.At(index).Obj()
		imethod := llvm.ConstNull(tm.runtime.imethod.llvm)
		name := tm.globalStringPtr(method.Name())
		name = llvm.ConstBitCast(name, tm.runtime.imethod.llvm.StructElementTypes()[0])
		mtyp := tm.ToRuntime(method.Type())
		imethod = llvm.ConstInsertValue(imethod, name, []uint32{0})
		if !ast.IsExported(method.Name()) {
			pkgpath := tm.globalStringPtr(method.Pkg().Path())
			pkgpath = llvm.ConstBitCast(pkgpath, tm.runtime.imethod.llvm.StructElementTypes()[1])
			imethod = llvm.ConstInsertValue(imethod, pkgpath, []uint32{1})
		}
		imethod = llvm.ConstInsertValue(imethod, mtyp, []uint32{2})
		imethods[index] = imethod
	}
	imethodsSliceType := tm.runtime.interfaceType.llvm.StructElementTypes()[1]
	imethodsSlice := tm.makeSlice(imethods, imethodsSliceType)
	interfaceType = llvm.ConstInsertValue(interfaceType, imethodsSlice, []uint32{1})
	global.SetInitializer(interfaceType)
	return global, ptr
}
コード例 #4
0
ファイル: llvmtypes.go プロジェクト: spate/llgo
func (tm *TypeMap) pointerRuntimeType(p *types.Pointer) (global, ptr llvm.Value) {
	commonType := tm.makeCommonType(p, reflect.Map)
	ptrType := llvm.ConstNull(tm.runtimePtrType)
	ptrType = llvm.ConstInsertValue(ptrType, commonType, []uint32{0})
	ptrType = llvm.ConstInsertValue(ptrType, tm.ToRuntime(p.Base), []uint32{1})
	return tm.makeRuntimeTypeGlobal(ptrType)
}
コード例 #5
0
ファイル: llvmtypes.go プロジェクト: c0der007/llgo
func (tm *TypeMap) nameRuntimeType(n *types.Name) (global, ptr llvm.Value) {
	global, ptr = tm.makeRuntimeType(n.Underlying)
	globalInit := global.Initializer()

	// Locate the common type.
	underlyingRuntimeType := llvm.ConstExtractValue(globalInit, []uint32{1})
	commonType := underlyingRuntimeType
	if _, ok := n.Underlying.(*types.Basic); !ok {
		commonType = llvm.ConstExtractValue(commonType, []uint32{0})
	}

	// Insert the uncommon type.
	uncommonTypeInit := llvm.ConstNull(tm.runtimeUncommonType)
	uncommonType := llvm.AddGlobal(tm.module, uncommonTypeInit.Type(), "")
	uncommonType.SetInitializer(uncommonTypeInit)
	commonType = llvm.ConstInsertValue(commonType, uncommonType, []uint32{8})

	// Update the global's initialiser.
	if _, ok := n.Underlying.(*types.Basic); !ok {
		underlyingRuntimeType = llvm.ConstInsertValue(underlyingRuntimeType, commonType, []uint32{0})
	} else {
		underlyingRuntimeType = commonType
	}
	globalInit = llvm.ConstInsertValue(globalInit, underlyingRuntimeType, []uint32{1})
	global.SetName("__llgo.reflect." + n.Obj.Name)
	return global, ptr
}
コード例 #6
0
ファイル: typemap.go プロジェクト: minux/llgo
func (tm *TypeMap) nameRuntimeType(n *types.Named) (global, ptr llvm.Value) {
	name := typeString(n)
	path := "runtime"
	if pkg := n.Obj().Pkg(); pkg != nil {
		path = pkg.Path()
	}
	if path != tm.pkgpath {
		// We're not compiling the package from whence the type came,
		// so we'll just create a pointer to it here.
		global := llvm.AddGlobal(tm.module, tm.runtime.rtype.llvm, typeSymbol(name))
		global.SetInitializer(llvm.ConstNull(tm.runtime.rtype.llvm))
		global.SetLinkage(llvm.CommonLinkage)
		return global, global
	}

	// If the underlying type is Basic, then we always create
	// a new global. Otherwise, we clone the value returned
	// from toRuntime in case it is cached and reused.
	underlying := n.Underlying()
	if basic, ok := underlying.(*types.Basic); ok {
		global, ptr = tm.basicRuntimeType(basic, true)
		global.SetName(typeSymbol(name))
	} else {
		global, ptr = tm.toRuntime(underlying)
		clone := llvm.AddGlobal(tm.module, global.Type().ElementType(), typeSymbol(name))
		clone.SetInitializer(global.Initializer())
		global = clone
		ptr = llvm.ConstBitCast(global, llvm.PointerType(tm.runtime.rtype.llvm, 0))
	}
	global.SetLinkage(llvm.ExternalLinkage)

	// Locate the rtype.
	underlyingRuntimeType := global.Initializer()
	rtype := underlyingRuntimeType
	if rtype.Type() != tm.runtime.rtype.llvm {
		rtype = llvm.ConstExtractValue(rtype, []uint32{0})
	}

	// Insert the uncommon type.
	uncommonTypeInit := tm.uncommonType(n, nil)
	uncommonType := llvm.AddGlobal(tm.module, uncommonTypeInit.Type(), "")
	uncommonType.SetInitializer(uncommonTypeInit)
	rtype = llvm.ConstInsertValue(rtype, uncommonType, []uint32{9})

	// Replace the rtype's string representation with the one from
	// uncommonType. XXX should we have the package name prepended? Probably.
	namePtr := llvm.ConstExtractValue(uncommonTypeInit, []uint32{0})
	rtype = llvm.ConstInsertValue(rtype, namePtr, []uint32{8})

	// Update the global's initialiser. Note that we take a copy
	// of the underlying type; we're not updating a shared type.
	if underlyingRuntimeType.Type() != tm.runtime.rtype.llvm {
		underlyingRuntimeType = llvm.ConstInsertValue(underlyingRuntimeType, rtype, []uint32{0})
	} else {
		underlyingRuntimeType = rtype
	}
	global.SetInitializer(underlyingRuntimeType)
	return global, ptr
}
コード例 #7
0
ファイル: typemap.go プロジェクト: minux/llgo
func (tm *TypeMap) mapRuntimeType(m *types.Map) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(m, reflect.Map)
	mapType := llvm.ConstNull(tm.runtime.mapType.llvm)
	mapType = llvm.ConstInsertValue(mapType, rtype, []uint32{0})
	mapType = llvm.ConstInsertValue(mapType, tm.ToRuntime(m.Key()), []uint32{1})
	mapType = llvm.ConstInsertValue(mapType, tm.ToRuntime(m.Elem()), []uint32{2})
	return tm.makeRuntimeTypeGlobal(mapType, typeString(m))
}
コード例 #8
0
ファイル: llvmtypes.go プロジェクト: spate/llgo
func (tm *TypeMap) mapRuntimeType(m *types.Map) (global, ptr llvm.Value) {
	commonType := tm.makeCommonType(m, reflect.Map)
	mapType := llvm.ConstNull(tm.runtimeMapType)
	mapType = llvm.ConstInsertValue(mapType, commonType, []uint32{0})
	mapType = llvm.ConstInsertValue(mapType, tm.ToRuntime(m.Key), []uint32{1})
	mapType = llvm.ConstInsertValue(mapType, tm.ToRuntime(m.Elt), []uint32{2})
	return tm.makeRuntimeTypeGlobal(mapType)
}
コード例 #9
0
ファイル: llvmtypes.go プロジェクト: c0der007/llgo
func (tm *TypeMap) sliceRuntimeType(s *types.Slice) (global, ptr llvm.Value) {
	commonType := tm.makeCommonType(s, reflect.Slice)
	elemRuntimeType := tm.ToRuntime(s.Elt)
	sliceType := llvm.ConstNull(tm.runtimeSliceType)
	sliceType = llvm.ConstInsertValue(sliceType, commonType, []uint32{0})
	sliceType = llvm.ConstInsertValue(sliceType, elemRuntimeType, []uint32{1})
	return tm.makeRuntimeTypeGlobal(sliceType)
}
コード例 #10
0
ファイル: typemap.go プロジェクト: quarnster/llgo
func (tm *TypeMap) sliceRuntimeType(tstr string, s *types.Slice) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(s, reflect.Slice)
	sliceType := llvm.ConstNull(tm.runtimeSliceType)
	global, ptr = tm.makeRuntimeTypeGlobal(sliceType)
	sliceType = llvm.ConstInsertValue(sliceType, rtype, []uint32{0})
	elemRuntimeType := tm.ToRuntime(s.Elem())
	sliceType = llvm.ConstInsertValue(sliceType, elemRuntimeType, []uint32{1})
	global.SetInitializer(sliceType)
	return global, ptr
}
コード例 #11
0
ファイル: typemap.go プロジェクト: quarnster/llgo
func (tm *TypeMap) uncommonType(n *types.Named, ptr bool) llvm.Value {
	uncommonTypeInit := llvm.ConstNull(tm.runtimeUncommonType)
	namePtr := tm.globalStringPtr(n.Obj().Name())
	uncommonTypeInit = llvm.ConstInsertValue(uncommonTypeInit, namePtr, []uint32{0})

	_, path := tm.qualifiedName(n)
	pkgpathPtr := tm.globalStringPtr(path)
	uncommonTypeInit = llvm.ConstInsertValue(uncommonTypeInit, pkgpathPtr, []uint32{1})

	methodset := tm.functions.methods(n)
	methodfuncs := methodset.nonptr
	if ptr {
		methodfuncs = methodset.ptr
	}

	// Store methods.
	methods := make([]llvm.Value, len(methodfuncs))
	for i, mfunc := range methodfuncs {
		ftyp := mfunc.Type().(*types.Signature)

		method := llvm.ConstNull(tm.runtimeMethod)
		name := tm.globalStringPtr(mfunc.Name())
		name = llvm.ConstBitCast(name, tm.runtimeMethod.StructElementTypes()[0])
		// name
		method = llvm.ConstInsertValue(method, name, []uint32{0})
		// pkgPath
		method = llvm.ConstInsertValue(method, pkgpathPtr, []uint32{1})
		// mtyp (method type, no receiver)
		{
			ftyp := types.NewSignature(nil, nil, ftyp.Params(), ftyp.Results(), ftyp.IsVariadic())
			mtyp := tm.ToRuntime(ftyp)
			method = llvm.ConstInsertValue(method, mtyp, []uint32{2})
		}
		// typ (function type, with receiver)
		typ := tm.ToRuntime(ftyp)
		method = llvm.ConstInsertValue(method, typ, []uint32{3})

		// tfn (standard method/function pointer for plain method calls)
		tfn := tm.resolver.Resolve(tm.functions.objectdata[mfunc].Ident).LLVMValue()
		tfn = llvm.ConstExtractValue(tfn, []uint32{0})
		tfn = llvm.ConstPtrToInt(tfn, tm.target.IntPtrType())

		// ifn (single-word receiver function pointer for interface calls)
		ifn := tfn
		if !ptr && tm.Sizeof(ftyp.Recv().Type()) > int64(tm.target.PointerSize()) {
			mfunc := methodset.lookup(mfunc.Name(), true)
			ifn = tm.resolver.Resolve(tm.functions.objectdata[mfunc].Ident).LLVMValue()
			ifn = llvm.ConstExtractValue(ifn, []uint32{0})
			ifn = llvm.ConstPtrToInt(ifn, tm.target.IntPtrType())
		}

		method = llvm.ConstInsertValue(method, ifn, []uint32{4})
		method = llvm.ConstInsertValue(method, tfn, []uint32{5})
		methods[i] = method
	}
	methodsSliceType := tm.runtimeUncommonType.StructElementTypes()[2]
	methodsSlice := tm.makeSlice(methods, methodsSliceType)
	uncommonTypeInit = llvm.ConstInsertValue(uncommonTypeInit, methodsSlice, []uint32{2})
	return uncommonTypeInit
}
コード例 #12
0
ファイル: typemap.go プロジェクト: hzmangel/llgo
func (tm *TypeMap) nameRuntimeType(n *types.Named) (global, ptr llvm.Value) {
	var path string
	if data, ok := tm.functions.objectdata[n.Obj()]; ok {
		path = pkgpath(data.Package)
	}
	if path == "" {
		// Set to "runtime", so the builtin types have a home.
		path = "runtime"
	}
	globalname := "__llgo.type." + path + "." + n.Obj().Name()
	if path != tm.pkgpath {
		// We're not compiling the package from whence the type came,
		// so we'll just create a pointer to it here.
		global := llvm.AddGlobal(tm.module, tm.runtimeType, globalname)
		global.SetInitializer(llvm.ConstNull(tm.runtimeType))
		global.SetLinkage(llvm.CommonLinkage)
		return global, global
	}

	underlying := n.Underlying()
	if name, ok := underlying.(*types.Named); ok {
		underlying = name.Underlying()
	}

	global, ptr = tm.toRuntime(underlying)

	// Locate the rtype.
	underlyingRuntimeType := global.Initializer()
	rtype := underlyingRuntimeType
	if rtype.Type() != tm.runtimeType {
		rtype = llvm.ConstExtractValue(rtype, []uint32{0})
	}

	// Insert the uncommon type.
	uncommonTypeInit := tm.uncommonType(n, false)
	uncommonType := llvm.AddGlobal(tm.module, uncommonTypeInit.Type(), "")
	uncommonType.SetInitializer(uncommonTypeInit)
	rtype = llvm.ConstInsertValue(rtype, uncommonType, []uint32{9})

	// Replace the rtype's string representation with the one from
	// uncommonType. XXX should we have the package name prepended? Probably.
	namePtr := llvm.ConstExtractValue(uncommonTypeInit, []uint32{0})
	rtype = llvm.ConstInsertValue(rtype, namePtr, []uint32{8})

	// Update the global's initialiser. Note that we take a copy
	// of the underlying type; we're not updating a shared type.
	if underlyingRuntimeType.Type() != tm.runtimeType {
		underlyingRuntimeType = llvm.ConstInsertValue(underlyingRuntimeType, rtype, []uint32{0})
	} else {
		underlyingRuntimeType = rtype
	}
	global.SetName(globalname)
	global.SetInitializer(underlyingRuntimeType)
	return global, ptr
}
コード例 #13
0
ファイル: typemap.go プロジェクト: minux/llgo
func (tm *TypeMap) arrayRuntimeType(a *types.Array) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(a, reflect.Array)
	elemRuntimeType := tm.ToRuntime(a.Elem())
	sliceRuntimeType := tm.ToRuntime(types.NewSlice(a.Elem()))
	uintptrlen := llvm.ConstInt(tm.target.IntPtrType(), uint64(a.Len()), false)
	arrayType := llvm.ConstNull(tm.runtime.arrayType.llvm)
	arrayType = llvm.ConstInsertValue(arrayType, rtype, []uint32{0})
	arrayType = llvm.ConstInsertValue(arrayType, elemRuntimeType, []uint32{1})
	arrayType = llvm.ConstInsertValue(arrayType, sliceRuntimeType, []uint32{2})
	arrayType = llvm.ConstInsertValue(arrayType, uintptrlen, []uint32{3})
	return tm.makeRuntimeTypeGlobal(arrayType, typeString(a))
}
コード例 #14
0
ファイル: llvmtypes.go プロジェクト: kelsieflynn/llgo
func (tm *TypeMap) arrayRuntimeType(a *types.Array) (global, ptr llvm.Value) {
	commonType := tm.makeCommonType(a, reflect.Array)
	elemRuntimeType := tm.ToRuntime(a.Elt)
	sliceRuntimeType := tm.ToRuntime(&types.Slice{Elt: a.Elt})
	uintptrlen := llvm.ConstInt(tm.target.IntPtrType(), uint64(a.Len), false)
	arrayType := llvm.ConstNull(tm.runtimeArrayType)
	arrayType = llvm.ConstInsertValue(arrayType, commonType, []uint32{0})
	arrayType = llvm.ConstInsertValue(arrayType, elemRuntimeType, []uint32{1})
	arrayType = llvm.ConstInsertValue(arrayType, sliceRuntimeType, []uint32{2})
	arrayType = llvm.ConstInsertValue(arrayType, uintptrlen, []uint32{3})
	return tm.makeRuntimeTypeGlobal(arrayType)
}
コード例 #15
0
ファイル: llvmtypes.go プロジェクト: prattmic/llgo
func (tm *TypeMap) mapRuntimeType(m *types.Map) llvm.Value {
	result := llvm.AddGlobal(tm.module, tm.runtimeMapType, "")
	elementTypes := tm.runtimeCommonType.StructElementTypes()
	ptr := llvm.ConstBitCast(result, elementTypes[9])
	commonType := tm.makeCommonType(m, reflect.Map)
	commonType = llvm.ConstInsertValue(commonType, ptr, []uint32{9})

	init := llvm.ConstNull(tm.runtimeMapType)
	init = llvm.ConstInsertValue(init, commonType, []uint32{0})
	result.SetInitializer(init)

	// TODO set key, elem

	return result
}
コード例 #16
0
ファイル: typemap.go プロジェクト: hzmangel/llgo
func (tm *TypeMap) funcRuntimeType(f *types.Signature) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(f, reflect.Func)
	funcType := llvm.ConstNull(tm.runtimeFuncType)
	funcType = llvm.ConstInsertValue(funcType, rtype, []uint32{0})
	// dotdotdot
	if f.IsVariadic() {
		variadic := llvm.ConstInt(llvm.Int1Type(), 1, false)
		funcType = llvm.ConstInsertValue(funcType, variadic, []uint32{1})
	}
	// TODO in
	//funcType = llvm.ConstInsertValue(funcType, tm.ToRuntime(p.Elt()), []uint32{2})
	// TODO out
	//funcType = llvm.ConstInsertValue(funcType, tm.ToRuntime(p.Elt()), []uint32{3})
	return tm.makeRuntimeTypeGlobal(funcType)
}
コード例 #17
0
ファイル: llvmtypes.go プロジェクト: prattmic/llgo
func (tm *TypeMap) structRuntimeType(s *types.Struct) llvm.Value {
	result := llvm.AddGlobal(tm.module, tm.runtimeStructType, "")
	elementTypes := tm.runtimeCommonType.StructElementTypes()
	ptr := llvm.ConstBitCast(result, elementTypes[9])
	commonType := tm.makeCommonType(s, reflect.Struct)
	commonType = llvm.ConstInsertValue(commonType, ptr, []uint32{9})

	init := llvm.ConstNull(tm.runtimeStructType)
	init = llvm.ConstInsertValue(init, commonType, []uint32{0})
	result.SetInitializer(init)

	// TODO set fields

	//panic("unimplemented")
	return result
}
コード例 #18
0
ファイル: llvmtypes.go プロジェクト: c0der007/llgo
func (tm *TypeMap) mapRuntimeType(m *types.Map) (global, ptr llvm.Value) {
	commonType := tm.makeCommonType(m, reflect.Map)
	mapType := llvm.ConstNull(tm.runtimeMapType)
	mapType = llvm.ConstInsertValue(mapType, commonType, []uint32{0})
	// TODO set key, elem
	return tm.makeRuntimeTypeGlobal(mapType)
}
コード例 #19
0
ファイル: llvmtypes.go プロジェクト: c0der007/llgo
func (tm *TypeMap) structRuntimeType(s *types.Struct) (global, ptr llvm.Value) {
	commonType := tm.makeCommonType(s, reflect.Struct)
	structType := llvm.ConstNull(tm.runtimeStructType)
	structType = llvm.ConstInsertValue(structType, commonType, []uint32{0})
	// TODO set fields
	return tm.makeRuntimeTypeGlobal(structType)
}
コード例 #20
0
ファイル: typemap.go プロジェクト: hzmangel/llgo
func (tm *TypeMap) structRuntimeType(tstr string, s *types.Struct) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(s, reflect.Struct)
	structType := llvm.ConstNull(tm.runtimeStructType)
	structType = llvm.ConstInsertValue(structType, rtype, []uint32{0})
	global, ptr = tm.makeRuntimeTypeGlobal(structType)
	// TODO set fields, reset initialiser
	return
}
コード例 #21
0
ファイル: llvmtypes.go プロジェクト: spate/llgo
func (tm *TypeMap) interfaceRuntimeType(i *types.Interface) (global, ptr llvm.Value) {
	commonType := tm.makeCommonType(i, reflect.Interface)
	interfaceType := llvm.ConstNull(tm.runtimeInterfaceType)
	interfaceType = llvm.ConstInsertValue(interfaceType, commonType, []uint32{0})
	// TODO set methods
	//interfaceType = llvm.ConstInsertValue(interfaceType, methods, []uint32{1})
	return tm.makeRuntimeTypeGlobal(interfaceType)
}
コード例 #22
0
ファイル: llvmtypes.go プロジェクト: prattmic/llgo
func (tm *TypeMap) nameRuntimeType(n *types.Name) llvm.Value {
	underlyingRuntimeType := tm.ToRuntime(n.Underlying).Initializer()
	result := llvm.AddGlobal(tm.module, underlyingRuntimeType.Type(), "")
	result.SetName("__llgo.reflect." + n.Obj.Name)
	elementTypes := tm.runtimeCommonType.StructElementTypes()
	ptr := llvm.ConstBitCast(result, elementTypes[9])
	commonType := llvm.ConstInsertValue(underlyingRuntimeType, ptr, []uint32{9})

	uncommonTypeInit := llvm.ConstNull(tm.runtimeUncommonType) // TODO
	uncommonType := llvm.AddGlobal(tm.module, uncommonTypeInit.Type(), "")
	uncommonType.SetInitializer(uncommonTypeInit)
	commonType = llvm.ConstInsertValue(commonType, uncommonType, []uint32{8})

	// TODO set string, uncommonType.
	result.SetInitializer(commonType)
	return result
}
コード例 #23
0
ファイル: typemap.go プロジェクト: hzmangel/llgo
func (tm *TypeMap) chanRuntimeType(c *types.Chan) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(c, reflect.Chan)
	chanType := llvm.ConstNull(tm.runtimeChanType)
	chanType = llvm.ConstInsertValue(chanType, rtype, []uint32{0})
	chanType = llvm.ConstInsertValue(chanType, tm.ToRuntime(c.Elem()), []uint32{1})

	// go/ast and reflect disagree on values for direction.
	var dir reflect.ChanDir
	if c.Dir()&ast.SEND != 0 {
		dir = reflect.SendDir
	}
	if c.Dir()&ast.RECV != 0 {
		dir |= reflect.RecvDir
	}
	uintptrdir := llvm.ConstInt(tm.target.IntPtrType(), uint64(dir), false)
	chanType = llvm.ConstInsertValue(chanType, uintptrdir, []uint32{2})
	return tm.makeRuntimeTypeGlobal(chanType)
}
コード例 #24
0
ファイル: typemap.go プロジェクト: minux/llgo
func (tm *TypeMap) makeSlice(values []llvm.Value, slicetyp llvm.Type) llvm.Value {
	ptrtyp := slicetyp.StructElementTypes()[0]
	var globalptr llvm.Value
	if len(values) > 0 {
		array := llvm.ConstArray(ptrtyp.ElementType(), values)
		globalptr = llvm.AddGlobal(tm.module, array.Type(), "")
		globalptr.SetInitializer(array)
		globalptr = llvm.ConstBitCast(globalptr, ptrtyp)
	} else {
		globalptr = llvm.ConstNull(ptrtyp)
	}
	len_ := llvm.ConstInt(tm.inttype, uint64(len(values)), false)
	slice := llvm.ConstNull(slicetyp)
	slice = llvm.ConstInsertValue(slice, globalptr, []uint32{0})
	slice = llvm.ConstInsertValue(slice, len_, []uint32{1})
	slice = llvm.ConstInsertValue(slice, len_, []uint32{2})
	return slice
}
コード例 #25
0
ファイル: llvmtypes.go プロジェクト: prattmic/llgo
func (tm *TypeMap) basicRuntimeType(b *types.Basic) llvm.Value {
	commonType := tm.makeCommonType(b, reflect.Kind(b.Kind))
	result := llvm.AddGlobal(tm.module, commonType.Type(), "")
	elementTypes := tm.runtimeCommonType.StructElementTypes()
	ptr := llvm.ConstBitCast(result, elementTypes[9])
	commonType = llvm.ConstInsertValue(commonType, ptr, []uint32{9})
	result.SetInitializer(commonType)
	return result
}
コード例 #26
0
ファイル: typemap.go プロジェクト: minux/llgo
func (tm *TypeMap) funcRuntimeType(f *types.Signature) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(f, reflect.Func)
	funcType := llvm.ConstNull(tm.runtime.funcType.llvm)
	global, ptr = tm.makeRuntimeTypeGlobal(funcType, typeString(f))
	tm.types.Set(f, runtimeTypeInfo{global, ptr})
	funcType = llvm.ConstInsertValue(funcType, rtype, []uint32{0})
	// dotdotdot
	if f.Variadic() {
		variadic := llvm.ConstInt(llvm.Int1Type(), 1, false)
		funcType = llvm.ConstInsertValue(funcType, variadic, []uint32{1})
	}
	// in
	intypes := tm.rtypeSlice(f.Params())
	funcType = llvm.ConstInsertValue(funcType, intypes, []uint32{2})
	// out
	outtypes := tm.rtypeSlice(f.Results())
	funcType = llvm.ConstInsertValue(funcType, outtypes, []uint32{3})
	global.SetInitializer(funcType)
	return global, ptr
}
コード例 #27
0
ファイル: decl.go プロジェクト: qioixiy/llgo
func (c *compiler) makeFunc(ident *ast.Ident, ftyp *types.Signature) *LLVMValue {
	fname := ident.String()
	if ftyp.Recv() == nil && fname == "init" {
		// Make "init" functions anonymous.
		fname = ""
	} else {
		var pkgname string
		if recv := ftyp.Recv(); recv != nil {
			var recvname string
			switch recvtyp := recv.Type().(type) {
			case *types.Pointer:
				if named, ok := recvtyp.Elem().(*types.Named); ok {
					obj := named.Obj()
					recvname = "*" + obj.Name()
					pkgname = obj.Pkg().Path()
				}
			case *types.Named:
				named := recvtyp
				obj := named.Obj()
				recvname = obj.Name()
				pkgname = obj.Pkg().Path()
			}

			if recvname != "" {
				fname = fmt.Sprintf("%s.%s", recvname, fname)
			} else {
				// If the receiver is an unnamed struct, we're
				// synthesising a method for an unnamed struct
				// type. There's no meaningful name to give the
				// function, so leave it up to LLVM.
				fname = ""
			}
		} else {
			obj := c.typeinfo.Objects[ident]
			pkgname = obj.Pkg().Path()
		}
		if fname != "" {
			fname = pkgname + "." + fname
		}
	}

	// gcimporter may produce multiple AST objects for the same function.
	llvmftyp := c.types.ToLLVM(ftyp)
	var fn llvm.Value
	if fname != "" {
		fn = c.module.Module.NamedFunction(fname)
	}
	if fn.IsNil() {
		llvmfptrtyp := llvmftyp.StructElementTypes()[0].ElementType()
		fn = llvm.AddFunction(c.module.Module, fname, llvmfptrtyp)
	}
	fn = llvm.ConstInsertValue(llvm.ConstNull(llvmftyp), fn, []uint32{0})
	return c.NewValue(fn, ftyp)
}
コード例 #28
0
ファイル: typemap.go プロジェクト: minux/llgo
func (tm *TypeMap) chanRuntimeType(c *types.Chan) (global, ptr llvm.Value) {
	rtype := tm.makeRtype(c, reflect.Chan)
	chanType := llvm.ConstNull(tm.runtime.chanType.llvm)
	chanType = llvm.ConstInsertValue(chanType, rtype, []uint32{0})
	chanType = llvm.ConstInsertValue(chanType, tm.ToRuntime(c.Elem()), []uint32{1})

	// go/ast and reflect disagree on values for direction.
	var dir reflect.ChanDir
	switch c.Dir() {
	case types.SendOnly:
		dir = reflect.SendDir
	case types.RecvOnly:
		dir = reflect.RecvDir
	case types.SendRecv:
		dir = reflect.SendDir | reflect.RecvDir
	}
	uintptrdir := llvm.ConstInt(tm.target.IntPtrType(), uint64(dir), false)
	chanType = llvm.ConstInsertValue(chanType, uintptrdir, []uint32{2})
	return tm.makeRuntimeTypeGlobal(chanType, typeString(c))
}
コード例 #29
0
ファイル: llvmtypes.go プロジェクト: c0der007/llgo
func (tm *TypeMap) makeRuntimeTypeGlobal(v llvm.Value) (global, ptr llvm.Value) {
	runtimeTypeValue := llvm.ConstNull(tm.runtimeType)
	initType := llvm.StructType([]llvm.Type{tm.runtimeType, v.Type()}, false)
	global = llvm.AddGlobal(tm.module, initType, "")
	ptr = llvm.ConstBitCast(global, llvm.PointerType(tm.runtimeType, 0))

	// Set ptrToThis in v's commonType.
	if v.Type() == tm.runtimeCommonType {
		v = llvm.ConstInsertValue(v, ptr, []uint32{9})
	} else {
		commonType := llvm.ConstExtractValue(v, []uint32{0})
		commonType = llvm.ConstInsertValue(commonType, ptr, []uint32{9})
		v = llvm.ConstInsertValue(v, commonType, []uint32{0})
	}

	init := llvm.Undef(initType)
	//runtimeTypeValue = llvm.ConstInsertValue() TODO
	init = llvm.ConstInsertValue(init, runtimeTypeValue, []uint32{0})
	init = llvm.ConstInsertValue(init, v, []uint32{1})
	global.SetInitializer(init)

	return
}
コード例 #30
0
ファイル: llvmtypes.go プロジェクト: c0der007/llgo
func (tm *TypeMap) makeCommonType(t types.Type, k reflect.Kind) llvm.Value {
	// Not sure if there's an easier way to do this, but if you just
	// use ConstStruct, you end up getting a different llvm.Type.
	lt := tm.ToLLVM(t)
	typ := llvm.ConstNull(tm.runtimeCommonType)
	elementTypes := tm.runtimeCommonType.StructElementTypes()

	// Size.
	size := llvm.SizeOf(lt)
	if size.Type().IntTypeWidth() > elementTypes[0].IntTypeWidth() {
		size = llvm.ConstTrunc(size, elementTypes[0])
	}
	typ = llvm.ConstInsertValue(typ, size, []uint32{0})

	// TODO hash
	// TODO padding

	// Alignment.
	align := llvm.ConstTrunc(llvm.AlignOf(lt), llvm.Int8Type())
	typ = llvm.ConstInsertValue(typ, align, []uint32{3}) // var
	typ = llvm.ConstInsertValue(typ, align, []uint32{4}) // field

	// Kind.
	kind := llvm.ConstInt(llvm.Int8Type(), uint64(k), false)
	typ = llvm.ConstInsertValue(typ, kind, []uint32{5})

	// Algorithm table.
	alg := tm.makeAlgorithmTable(t)
	algptr := llvm.AddGlobal(tm.module, alg.Type(), "")
	algptr.SetInitializer(alg)
	algptr = llvm.ConstBitCast(algptr, elementTypes[6])
	typ = llvm.ConstInsertValue(typ, algptr, []uint32{6})

	// TODO string
	return typ
}