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Add an EmitAbsValue helper method and use it in cases where we want to be sure

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that no relocations are used (on MochO).
Fixes llc producing different output from llc + llvm-mc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121000 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2010-12-06 14:53:14 +00:00
parent 03a83a3f41
commit 2303c9dd69
4 changed files with 14 additions and 10 deletions
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11
lib/MC/MCDwarf.cpp
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@@ -213,15 +213,8 @@ void MCDwarfFileTable::Emit(MCStreamer *MCOS,
// The first 4 bytes is the total length of the information for this
// compilation unit (not including these 4 bytes for the length).
// 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);
MCOS->EmitAbsValue(MakeStartMinusEndExpr(MCOS, LineStartSym, LineEndSym,4),
4);
// Next 2 bytes is the Version, which is Dwarf 2.
MCOS->EmitIntValue(2, 2);