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[PowerPC] Support TLS on PPC32/ELF

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Patch by Justin Hibbits!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213960 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2014-07-25 17:47:22 +00:00
parent 06640d93e0
commit e9b6201f4d
8 changed files with 226 additions and 63 deletions
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lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+8 -1
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@@ -17,6 +17,7 @@
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetOpcodes.h"
@@ -308,10 +309,16 @@ void PPCInstPrinter::printMemRegReg(const MCInst *MI, unsigned OpNo,
void PPCInstPrinter::printTLSCall(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
printBranchOperand(MI, OpNo, O);
// On PPC64, VariantKind is VK_None, but on PPC32, it's VK_PLT, and it must
// come at the _end_ of the expression.
const MCOperand &Op = MI->getOperand(OpNo);
const MCSymbolRefExpr &refExp = cast<MCSymbolRefExpr>(*Op.getExpr());
O << refExp.getSymbol().getName();
O << '(';
printOperand(MI, OpNo+1, O);
O << ')';
if (refExp.getKind() != MCSymbolRefExpr::VK_None)
O << '@' << MCSymbolRefExpr::getVariantKindName(refExp.getKind());
}