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loader/cgo: add support for pointer types

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This commit is contained in:
Ayke van Laethem
2019-02-07 13:20:19 +01:00
parent 01f6aff422
commit 35fb594f8f
7 changed files with 165 additions and 120 deletions
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compiler/compiler.go
+3 -3
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@@ -1325,7 +1325,7 @@ func (c *Compiler) parseInstr(frame *Frame, instr ssa.Instruction) error {
return nil
}
store := c.builder.CreateStore(llvmVal, llvmAddr)
valType := instr.Addr.Type().(*types.Pointer).Elem()
valType := instr.Addr.Type().Underlying().(*types.Pointer).Elem()
if c.ir.IsVolatile(valType) {
// Volatile store, for memory-mapped registers.
store.SetVolatile(true)
@@ -1957,7 +1957,7 @@ func (c *Compiler) parseExpr(frame *Frame, expr ssa.Value) (llvm.Value, error) {
var bufptr, buflen llvm.Value
switch ptrTyp := expr.X.Type().Underlying().(type) {
case *types.Pointer:
typ := expr.X.Type().(*types.Pointer).Elem().Underlying()
typ := expr.X.Type().Underlying().(*types.Pointer).Elem().Underlying()
switch typ := typ.(type) {
case *types.Array:
bufptr = val
@@ -2986,7 +2986,7 @@ func (c *Compiler) parseUnOp(frame *Frame, unop *ssa.UnOp) (llvm.Value, error) {
return llvm.Value{}, c.makeError(unop.Pos(), "todo: unknown type for negate: "+unop.X.Type().Underlying().String())
}
case token.MUL: // *x, dereference pointer
valType := unop.X.Type().(*types.Pointer).Elem()
valType := unop.X.Type().Underlying().(*types.Pointer).Elem()
if c.targetData.TypeAllocSize(x.Type().ElementType()) == 0 {
// zero-length data
return c.getZeroValue(x.Type().ElementType())