MCObjectWriter::~MCObjectWriter() {
}
-/// Utility function to encode a SLEB128 value.
-void MCObjectWriter::EncodeSLEB128(int64_t Value, raw_ostream &OS) {
- bool More;
- do {
- uint8_t Byte = Value & 0x7f;
- // NOTE: this assumes that this signed shift is an arithmetic right shift.
- Value >>= 7;
- More = !((((Value == 0 ) && ((Byte & 0x40) == 0)) ||
- ((Value == -1) && ((Byte & 0x40) != 0))));
- if (More)
- Byte |= 0x80; // Mark this byte that that more bytes will follow.
- OS << char(Byte);
- } while (More);
-}
-
-/// Utility function to encode a ULEB128 value.
-void MCObjectWriter::EncodeULEB128(uint64_t Value, raw_ostream &OS) {
- do {
- uint8_t Byte = Value & 0x7f;
- Value >>= 7;
- if (Value != 0)
- Byte |= 0x80; // Mark this byte that that more bytes will follow.
- OS << char(Byte);
- } while (Value != 0);
-}
-
bool
MCObjectWriter::IsSymbolRefDifferenceFullyResolved(const MCAssembler &Asm,
const MCSymbolRefExpr *A,
const MCSymbolData &DataA = Asm.getSymbolData(SA);
const MCSymbolData &DataB = Asm.getSymbolData(SB);
+ if(!DataA.getFragment() || !DataB.getFragment())
+ return false;
return IsSymbolRefDifferenceFullyResolvedImpl(Asm, DataA,
*DataB.getFragment(),
InSet,
false);
}
+
+bool
+MCObjectWriter::IsSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
+ const MCSymbolData &DataA,
+ const MCFragment &FB,
+ bool InSet,
+ bool IsPCRel) const {
+ const MCSection &SecA = DataA.getSymbol().AliasedSymbol().getSection();
+ const MCSection &SecB = FB.getParent()->getSection();
+ // On ELF and COFF A - B is absolute if A and B are in the same section.
+ return &SecA == &SecB;
+}