diff options
Diffstat (limited to 'llvm/lib/MC/MCDwarf.cpp')
| -rw-r--r-- | llvm/lib/MC/MCDwarf.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp index a33b0c596ba..1b1d5097042 100644 --- a/llvm/lib/MC/MCDwarf.cpp +++ b/llvm/lib/MC/MCDwarf.cpp @@ -213,8 +213,15 @@ 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). - MCOS->EmitValue(MakeStartMinusEndExpr(MCOS, LineStartSym, LineEndSym, 4), - 4, 0, true /*UseSet*/); + // 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); @@ -228,7 +235,7 @@ void MCDwarfFileTable::Emit(MCStreamer *MCOS, // length of the prologue. MCOS->EmitValue(MakeStartMinusEndExpr(MCOS, LineStartSym, ProEndSym, (4 + 2 + 4)), - 4, 0, true /*UseSet*/); + 4, 0); // Parameters of the state machine, are next. MCOS->EmitIntValue(DWARF2_LINE_MIN_INSN_LENGTH, 1); |
