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Mark alias symbols as microMIPS if necessary. Differential Revision: http://llvm-reviews.chandlerc.com/D3080

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204323 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zoran Jovanovic
2014-03-20 09:44:49 +00:00
parent affc53dcde
commit b71fd20f2d
9 changed files with 57 additions and 8 deletions
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20
lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
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@@ -219,6 +219,26 @@ void MipsTargetELFStreamer::finish() {
}
}
void MipsTargetELFStreamer::emitAssignment(MCSymbol *Symbol,
const MCExpr *Value) {
// If on rhs is micromips symbol then mark Symbol as microMips.
if (Value->getKind() != MCExpr::SymbolRef)
return;
const MCSymbol &RhsSym =
static_cast<const MCSymbolRefExpr *>(Value)->getSymbol();
MCSymbolData &Data = getStreamer().getOrCreateSymbolData(&RhsSym);
uint8_t Type = MCELF::GetType(Data);
if ((Type != ELF::STT_FUNC)
|| !(MCELF::getOther(Data) & (ELF::STO_MIPS_MICROMIPS >> 2)))
return;
MCSymbolData &SymbolData = getStreamer().getOrCreateSymbolData(Symbol);
// The "other" values are stored in the last 6 bits of the second byte.
// The traditional defines for STO values assume the full byte and thus
// the shift to pack it.
MCELF::setOther(SymbolData, ELF::STO_MIPS_MICROMIPS >> 2);
}
MCELFStreamer &MipsTargetELFStreamer::getStreamer() {
return static_cast<MCELFStreamer &>(Streamer);
}