//
//===----------------------------------------------------------------------===//
+#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCSymbol.h"
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 MCSymbol &SA = A->getSymbol();
const MCSymbol &SB = B->getSymbol();
- if (SA.isUndefined() || SB.isUndefined())
+ if (SA.AliasedSymbol().isUndefined() || SB.AliasedSymbol().isUndefined())
return false;
- // On ELF and COFF A - B is absolute if A and B are in the same section.
- return &SA.getSection() == &SB.getSection();
+ 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;
}