diff options
Diffstat (limited to 'llvm/lib/MC/ELFObjectWriter.cpp')
-rw-r--r-- | llvm/lib/MC/ELFObjectWriter.cpp | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp index 230d3d775b1..df7a606a717 100644 --- a/llvm/lib/MC/ELFObjectWriter.cpp +++ b/llvm/lib/MC/ELFObjectWriter.cpp @@ -630,28 +630,36 @@ void ELFObjectWriter::recordRelocation(MCAssembler &Asm, // 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) - Asm.getContext().reportFatalError( + if (IsPCRel) { + Asm.getContext().reportError( Fixup.getLoc(), "No relocation available to represent this relative expression"); + return; + } const auto &SymB = cast<MCSymbolELF>(RefB->getSymbol()); - if (SymB.isUndefined()) - Asm.getContext().reportFatalError( + if (SymB.isUndefined()) { + Asm.getContext().reportError( Fixup.getLoc(), Twine("symbol '") + SymB.getName() + "' can not be undefined in a subtraction expression"); + return; + } assert(!SymB.isAbsolute() && "Should have been folded"); const MCSection &SecB = SymB.getSection(); - if (&SecB != &FixupSection) - Asm.getContext().reportFatalError( + if (&SecB != &FixupSection) { + Asm.getContext().reportError( Fixup.getLoc(), "Cannot represent a difference across sections"); + return; + } - if (::isWeak(SymB)) - Asm.getContext().reportFatalError( + if (::isWeak(SymB)) { + Asm.getContext().reportError( Fixup.getLoc(), "Cannot represent a subtraction with a weak symbol"); + return; + } uint64_t SymBOffset = Layout.getSymbolOffset(SymB); uint64_t K = SymBOffset - FixupOffset; @@ -784,8 +792,10 @@ void ELFObjectWriter::computeSymbolTable( Renames.count(&Symbol))) continue; - if (Symbol.isTemporary() && Symbol.isUndefined()) - Ctx.reportFatalError(SMLoc(), "Undefined temporary"); + if (Symbol.isTemporary() && Symbol.isUndefined()) { + Ctx.reportError(SMLoc(), "Undefined temporary symbol"); + continue; + } ELFSymbolData MSD; MSD.Symbol = cast<MCSymbolELF>(&Symbol); |