tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-06 12:03:41 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

compiler,reflect: adjust struct layout for type info

Browse Source
This commit is contained in:
Damian Gryski
2023-03-13 14:31:52 -07:00
committed by Ron Evans
parent 0d65b4dd26
commit f2cc98caa5
4 changed files with 53 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/interface.go
+24 -17
View File
@@ -135,40 +135,43 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value {
)
case *types.Named:
typeFieldTypes = append(typeFieldTypes,
types.NewVar(token.NoPos, nil, "numMethods", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "ptrTo", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "underlying", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "numMethods", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "pkgpath", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "name", types.NewArray(types.Typ[types.Int8], 1+int64(len(typ.Obj().Name())))),
)
case *types.Chan, *types.Slice:
typeFieldTypes = append(typeFieldTypes,
types.NewVar(token.NoPos, nil, "numMethods", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "ptrTo", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "elementType", types.Typ[types.UnsafePointer]),
)
case *types.Pointer:
typeFieldTypes = append(typeFieldTypes,
types.NewVar(token.NoPos, nil, "elementType", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "numMethods", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "elementType", types.Typ[types.UnsafePointer]),
)
case *types.Array:
typeFieldTypes = append(typeFieldTypes,
types.NewVar(token.NoPos, nil, "numMethods", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "ptrTo", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "elementType", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "length", types.Typ[types.Uintptr]),
)
case *types.Map:
typeFieldTypes = append(typeFieldTypes,
types.NewVar(token.NoPos, nil, "numMethods", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "ptrTo", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "elementType", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "keyType", types.Typ[types.UnsafePointer]),
)
case *types.Struct:
typeFieldTypes = append(typeFieldTypes,
types.NewVar(token.NoPos, nil, "numFields", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "numMethods", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "ptrTo", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "pkgpath", types.Typ[types.UnsafePointer]),
types.NewVar(token.NoPos, nil, "numFields", types.Typ[types.Uint16]),
types.NewVar(token.NoPos, nil, "fields", types.NewArray(c.getRuntimeType("structField"), int64(typ.NumFields()))),
)
case *types.Interface:
@@ -207,39 +210,43 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value {
}
pkgPathPtr := c.pkgPathPtr(pkgpath)
typeFields = []llvm.Value{
llvm.ConstInt(c.ctx.Int16Type(), uint64(ms.Len()), false), // numMethods
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Underlying()), // underlying
llvm.ConstInt(c.ctx.Int16Type(), uint64(ms.Len()), false), // numMethods
pkgPathPtr, // pkgpath pointer
c.ctx.ConstString(name+"\x00", false), // name
pkgPathPtr, // pkgpath pointer
c.ctx.ConstString(name+"\x00", false), // name
}
metabyte |= 1 << 5 // "named" flag
case *types.Chan:
typeFields = []llvm.Value{
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Elem()), // elementType
llvm.ConstInt(c.ctx.Int16Type(), 0, false), // numMethods
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Elem()), // elementType
}
case *types.Slice:
typeFields = []llvm.Value{
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Elem()), // elementType
llvm.ConstInt(c.ctx.Int16Type(), 0, false), // numMethods
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Elem()), // elementType
}
case *types.Pointer:
typeFields = []llvm.Value{
c.getTypeCode(typ.Elem()),
llvm.ConstInt(c.ctx.Int16Type(), uint64(ms.Len()), false), // numMethods
c.getTypeCode(typ.Elem()),
}
case *types.Array:
typeFields = []llvm.Value{
llvm.ConstInt(c.ctx.Int16Type(), 0, false), // numMethods
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Elem()), // elementType
llvm.ConstInt(c.uintptrType, uint64(typ.Len()), false), // length
}
case *types.Map:
typeFields = []llvm.Value{
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Elem()), // elem
c.getTypeCode(typ.Key()), // key
llvm.ConstInt(c.ctx.Int16Type(), 0, false), // numMethods
c.getTypeCode(types.NewPointer(typ)), // ptrTo
c.getTypeCode(typ.Elem()), // elem
c.getTypeCode(typ.Key()), // key
}
case *types.Struct:
var pkgpath string
@@ -251,10 +258,10 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value {
pkgPathPtr := c.pkgPathPtr(pkgpath)
typeFields = []llvm.Value{
llvm.ConstInt(c.ctx.Int16Type(), uint64(typ.NumFields()), false), // numFields
llvm.ConstInt(c.ctx.Int16Type(), uint64(ms.Len()), false), // numMethods
c.getTypeCode(types.NewPointer(typ)), // ptrTo
llvm.ConstInt(c.ctx.Int16Type(), uint64(ms.Len()), false), // numMethods
c.getTypeCode(types.NewPointer(typ)), // ptrTo
pkgPathPtr,
llvm.ConstInt(c.ctx.Int16Type(), uint64(typ.NumFields()), false), // numFields
}
structFieldType := c.getLLVMRuntimeType("structField")
var fields []llvm.Value