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[MC] Fix double negation of DW_CFA_def_cfa_offset

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Negations are incorrectly added in two places and the code works just
because the negations cancel each other.
This commit is contained in:
Fangrui Song 2020-05-22 19:57:21 -07:00
parent 886a960f92
commit 85df10d8f5
2 changed files with 2 additions and 2 deletions
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2
lib/MC/MCDwarf.cpp
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@ -1394,7 +1394,7 @@ void FrameEmitterImpl::emitCFIInstruction(const MCCFIInstruction &Instr) {
if (IsRelative)
CFAOffset += Instr.getOffset();
else
CFAOffset = -Instr.getOffset();
CFAOffset = Instr.getOffset();
Streamer.emitULEB128IntValue(CFAOffset);

2
lib/MC/MCStreamer.cpp
View File

@ -472,7 +472,7 @@ void MCStreamer::emitCFIDefCfa(int64_t Register, int64_t Offset) {
void MCStreamer::emitCFIDefCfaOffset(int64_t Offset) {
MCSymbol *Label = emitCFILabel();
MCCFIInstruction Instruction =
MCCFIInstruction::cfiDefCfaOffset(Label, -Offset);
MCCFIInstruction::cfiDefCfaOffset(Label, Offset);
MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
if (!CurFrame)
return;