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-rw-r--r--lib/Target/PowerPC/PPCAsmPrinter.cpp48
1 files changed, 39 insertions, 9 deletions
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index f76b89c..6e0e8bb 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -109,6 +109,8 @@ namespace {
bool doFinalization(Module &M);
virtual void EmitFunctionEntryLabel();
+
+ void EmitFunctionBodyEnd();
};
/// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
@@ -345,23 +347,32 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
OutStreamer.EmitLabel(PICBase);
return;
}
+ case PPC::LDtocJTI:
+ case PPC::LDtocCPT:
case PPC::LDtoc: {
// Transform %X3 = LDtoc <ga:@min1>, %X2
LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
-
+
// Change the opcode to LD, and the global address operand to be a
// reference to the TOC entry we will synthesize later.
TmpInst.setOpcode(PPC::LD);
const MachineOperand &MO = MI->getOperand(1);
- assert(MO.isGlobal());
-
- // Map symbol -> label of TOC entry.
- MCSymbol *&TOCEntry = TOC[Mang->getSymbol(MO.getGlobal())];
+
+ // Map symbol -> label of TOC entry
+ assert(MO.isGlobal() || MO.isCPI() || MO.isJTI());
+ MCSymbol *MOSymbol = 0;
+ if (MO.isGlobal())
+ MOSymbol = Mang->getSymbol(MO.getGlobal());
+ else if (MO.isCPI())
+ MOSymbol = GetCPISymbol(MO.getIndex());
+ else if (MO.isJTI())
+ MOSymbol = GetJTISymbol(MO.getIndex());
+ MCSymbol *&TOCEntry = TOC[MOSymbol];
if (TOCEntry == 0)
TOCEntry = GetTempSymbol("C", TOCLabelID++);
-
+
const MCExpr *Exp =
- MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC,
+ MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC_ENTRY,
OutContext);
TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
OutStreamer.EmitInstruction(TmpInst);
@@ -406,9 +417,9 @@ void PPCLinuxAsmPrinter::EmitFunctionEntryLabel() {
OutContext.GetOrCreateSymbol(".L." + Twine(CurrentFnSym->getName()));
MCSymbol *Symbol2 = OutContext.GetOrCreateSymbol(StringRef(".TOC.@tocbase"));
OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol1, OutContext),
- Subtarget.isPPC64() ? 8 : 4/*size*/, 0/*addrspace*/);
+ 8/*size*/, 0/*addrspace*/);
OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol2, OutContext),
- Subtarget.isPPC64() ? 8 : 4/*size*/, 0/*addrspace*/);
+ 8/*size*/, 0/*addrspace*/);
OutStreamer.SwitchSection(Current);
MCSymbol *RealFnSym = OutContext.GetOrCreateSymbol(
@@ -441,6 +452,23 @@ bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
return AsmPrinter::doFinalization(M);
}
+/// EmitFunctionBodyEnd - Print the traceback table before the .size
+/// directive.
+///
+void PPCLinuxAsmPrinter::EmitFunctionBodyEnd() {
+ // Only the 64-bit target requires a traceback table. For now,
+ // we only emit the word of zeroes that GDB requires to find
+ // the end of the function, and zeroes for the eight-byte
+ // mandatory fields.
+ // FIXME: We should fill in the eight-byte mandatory fields as described in
+ // the PPC64 ELF ABI (this is a low-priority item because GDB does not
+ // currently make use of these fields).
+ if (Subtarget.isPPC64()) {
+ OutStreamer.EmitIntValue(0, 4/*size*/);
+ OutStreamer.EmitIntValue(0, 8/*size*/);
+ }
+}
+
void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) {
static const char *const CPUDirectives[] = {
"",
@@ -453,6 +481,8 @@ void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) {
"ppc750",
"ppc970",
"ppcA2",
+ "ppce500mc",
+ "ppce5500",
"power6",
"power7",
"ppc64"