diff options
Diffstat (limited to 'llvm/lib/MC/ELFObjectWriter.cpp')
-rw-r--r-- | llvm/lib/MC/ELFObjectWriter.cpp | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp index 111ba3fab39..97607b43295 100644 --- a/llvm/lib/MC/ELFObjectWriter.cpp +++ b/llvm/lib/MC/ELFObjectWriter.cpp @@ -1441,22 +1441,7 @@ void ELFObjectWriter::recordRelocation(MCAssembler &Asm, MCContext &Ctx = Asm.getContext(); if (const MCSymbolRefExpr *RefB = Target.getSymB()) { - // Let A, B and C being the components of Target and R be the location of - // the fixup. If the fixup is not pcrel, we want to compute (A - B + C). - // If it is pcrel, we want to compute (A - B + C - R). - - // In general, ELF has no relocations for -B. It can only represent (A + C) - // or (A + C - R). If B = R + K and the relocation is not pcrel, we can - // replace B to implement it: (A - R - K + C) - if (IsPCRel) { - Ctx.reportError( - Fixup.getLoc(), - "No relocation available to represent this relative expression"); - return; - } - const auto &SymB = cast<MCSymbolELF>(RefB->getSymbol()); - if (SymB.isUndefined()) { Ctx.reportError(Fixup.getLoc(), Twine("symbol '") + SymB.getName() + @@ -1474,6 +1459,7 @@ void ELFObjectWriter::recordRelocation(MCAssembler &Asm, uint64_t SymBOffset = Layout.getSymbolOffset(SymB); uint64_t K = SymBOffset - FixupOffset; + assert(!IsPCRel && "should have been folded"); IsPCRel = true; C -= K; } |