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| author | Damian Gryski <[email protected]> | 2023-04-15 11:14:37 -0700 |
|---|---|---|
| committer | Ron Evans <[email protected]> | 2023-04-27 11:15:41 +0200 |
| commit | 4c0fbbfc7ff3043e8ec105e4ab7988eb111f92e9 (patch) | |
| tree | cf114e9eae8257d282387dca891a647d2b62777d /compiler | |
| parent | 36bd66a858e1c5ef33cd9da57eecacbbdb0d9ef6 (diff) | |
| download | tinygo-4c0fbbfc7ff3043e8ec105e4ab7988eb111f92e9.tar.gz tinygo-4c0fbbfc7ff3043e8ec105e4ab7988eb111f92e9.zip | |
add struct size and field offsets to reflect data
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/interface.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/interface.go b/compiler/interface.go index 9e3e0a674..c6818c341 100644 --- a/compiler/interface.go +++ b/compiler/interface.go @@ -205,6 +205,7 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value { 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, "size", types.Typ[types.Uint32]), types.NewVar(token.NoPos, nil, "numFields", types.Typ[types.Uint16]), types.NewVar(token.NoPos, nil, "fields", types.NewArray(c.getRuntimeType("structField"), int64(typ.NumFields()))), ) @@ -306,16 +307,21 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value { } pkgPathPtr := c.pkgPathPtr(pkgpath) + llvmStructType := c.getLLVMType(typ) + size := c.targetData.TypeStoreSize(llvmStructType) typeFields = []llvm.Value{ llvm.ConstInt(c.ctx.Int16Type(), uint64(ms.Len()), false), // numMethods c.getTypeCode(types.NewPointer(typ)), // ptrTo pkgPathPtr, + llvm.ConstInt(c.ctx.Int32Type(), uint64(size), false), // size llvm.ConstInt(c.ctx.Int16Type(), uint64(typ.NumFields()), false), // numFields } structFieldType := c.getLLVMRuntimeType("structField") + var fields []llvm.Value for i := 0; i < typ.NumFields(); i++ { field := typ.Field(i) + offset := c.targetData.ElementOffset(llvmStructType, i) var flags uint8 if field.Anonymous() { flags |= structFieldFlagAnonymous @@ -346,6 +352,7 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value { fieldType := c.getTypeCode(field.Type()) fields = append(fields, llvm.ConstNamedStruct(structFieldType, []llvm.Value{ fieldType, + llvm.ConstInt(c.ctx.Int32Type(), uint64(offset), false), llvm.ConstGEP(dataGlobal.GlobalValueType(), dataGlobal, []llvm.Value{ llvm.ConstInt(c.ctx.Int32Type(), 0, false), llvm.ConstInt(c.ctx.Int32Type(), 0, false), |