- ESize = Data.getSize();
- if (Data.getSize()) {
- MCValue Res;
- if (ESize->getKind() == MCExpr::Binary) {
- const MCBinaryExpr *BE = static_cast<const MCBinaryExpr *>(ESize);
-
- if (BE->EvaluateAsRelocatable(Res, &Layout)) {
- assert(!Res.getSymA() || !Res.getSymA()->getSymbol().isDefined());
- assert(!Res.getSymB() || !Res.getSymB()->getSymbol().isDefined());
- Size = Res.getConstant();
- }
- } else if (ESize->getKind() == MCExpr::Constant) {
- Size = static_cast<const MCConstantExpr *>(ESize)->getValue();
- } else {
- assert(0 && "Unsupported size expression");
- }
+ const MCExpr *ESize = Data.getSize();
+ if (ESize) {
+ int64_t Res;
+ if (!ESize->EvaluateAsAbsolute(Res, Layout))
+ report_fatal_error("Size expression must be absolute.");
+ Size = Res;