Revert previous two patches while I try to find out how to make both
linux and darwin assemblers happy :-(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index 5d36ee3..53731dc 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -213,8 +213,15 @@
// The first 4 bytes is the total length of the information for this
// compilation unit (not including these 4 bytes for the length).
- MCOS->EmitAbsValue(MakeStartMinusEndExpr(MCOS, LineStartSym, LineEndSym,4),
- 4);
+ // FIXME: We create the dummy TotalLength variable because LineEndSym points
+ // to the end of the section and the darwin assembler doesn't consider that
+ // difference an assembly time constant. It might be better for this to be
+ // proected by a flag.
+ MCSymbol *TotalLength = MCOS->getContext().CreateTempSymbol();
+ MCOS->EmitAssignment(TotalLength,
+ MakeStartMinusEndExpr(MCOS, LineStartSym, LineEndSym,
+ 4));
+ MCOS->EmitSymbolValue(TotalLength, 4, 0);
// Next 2 bytes is the Version, which is Dwarf 2.
MCOS->EmitIntValue(2, 2);