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| author | David Majnemer <david.majnemer@gmail.com> | 2016-01-19 23:05:27 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2016-01-19 23:05:27 +0000 |
| commit | ce10842036320b5cc1b4f7057662fb3ef2d1ea10 (patch) | |
| tree | 078b977af6dd739cf156b86afb9bc05a2c0a2072 /llvm/lib/MC/MCObjectStreamer.cpp | |
| parent | 4b919b2ab3e7cc46c9228e277371dc7f0580f9fd (diff) | |
| download | bcm5719-llvm-ce10842036320b5cc1b4f7057662fb3ef2d1ea10.tar.gz bcm5719-llvm-ce10842036320b5cc1b4f7057662fb3ef2d1ea10.zip | |
[MC, COFF] Add .reloc support for WinCOFF
This adds rudimentary support for a few relocations that we will use for
the CodeView debug format.
llvm-svn: 258216
Diffstat (limited to 'llvm/lib/MC/MCObjectStreamer.cpp')
| -rw-r--r-- | llvm/lib/MC/MCObjectStreamer.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/MC/MCObjectStreamer.cpp b/llvm/lib/MC/MCObjectStreamer.cpp index 8ee24786967..19ce9113f27 100644 --- a/llvm/lib/MC/MCObjectStreamer.cpp +++ b/llvm/lib/MC/MCObjectStreamer.cpp @@ -420,13 +420,18 @@ bool MCObjectStreamer::EmitRelocDirective(const MCExpr &Offset, StringRef Name, if (!Offset.evaluateAsAbsolute(OffsetValue)) llvm_unreachable("Offset is not absolute"); + if (OffsetValue < 0) + llvm_unreachable("Offset is negative"); + MCDataFragment *DF = getOrCreateDataFragment(); flushPendingLabels(DF, DF->getContents().size()); - MCFixupKind Kind; - if (!Assembler->getBackend().getFixupKind(Name, Kind)) + Optional<MCFixupKind> MaybeKind = Assembler->getBackend().getFixupKind(Name); + if (!MaybeKind.hasValue()) return true; + MCFixupKind Kind = *MaybeKind; + if (Expr == nullptr) Expr = MCSymbolRefExpr::create(getContext().createTempSymbol(), getContext()); |
