diff options
| author | dim <dim@FreeBSD.org> | 2011-02-26 22:03:50 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-02-26 22:03:50 +0000 |
| commit | c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc (patch) | |
| tree | ddf53b8bd9235bcb0b8aae16c5e22310dcdad665 /lib/MC/MCObjectStreamer.cpp | |
| parent | cbb70ce070d220642b038ea101d9c0f9fbf860d6 (diff) | |
| download | FreeBSD-src-c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc.zip FreeBSD-src-c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc.tar.gz | |
Vendor import of llvm trunk r126547:
http://llvm.org/svn/llvm-project/llvm/trunk@126547
Diffstat (limited to 'lib/MC/MCObjectStreamer.cpp')
| -rw-r--r-- | lib/MC/MCObjectStreamer.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/MC/MCObjectStreamer.cpp b/lib/MC/MCObjectStreamer.cpp index 0358266..e67d9b0 100644 --- a/lib/MC/MCObjectStreamer.cpp +++ b/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() { |
