diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCObjectStreamer.cpp')
| -rw-r--r-- | contrib/llvm/lib/MC/MCObjectStreamer.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/contrib/llvm/lib/MC/MCObjectStreamer.cpp b/contrib/llvm/lib/MC/MCObjectStreamer.cpp index 0358266..e67d9b0 100644 --- a/contrib/llvm/lib/MC/MCObjectStreamer.cpp +++ b/contrib/llvm/lib/MC/MCObjectStreamer.cpp @@ -242,7 +242,23 @@ void MCObjectStreamer::EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel, void MCObjectStreamer::EmitValueToOffset(const MCExpr *Offset, unsigned char Value) { - new MCOrgFragment(*Offset, Value, getCurrentSectionData()); + int64_t Res; + if (Offset->EvaluateAsAbsolute(Res, getAssembler())) { + new MCOrgFragment(*Offset, Value, getCurrentSectionData()); + return; + } + + MCSymbol *CurrentPos = getContext().CreateTempSymbol(); + EmitLabel(CurrentPos); + MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; + const MCExpr *Ref = + MCSymbolRefExpr::Create(CurrentPos, Variant, getContext()); + const MCExpr *Delta = + MCBinaryExpr::Create(MCBinaryExpr::Sub, Offset, Ref, getContext()); + + if (!Delta->EvaluateAsAbsolute(Res, getAssembler())) + report_fatal_error("expected assembly-time absolute expression"); + EmitFill(Res, Value, 0); } void MCObjectStreamer::Finish() { |
