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mcize more of ppc stub printing.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100320 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-04 07:12:28 +00:00
parent 9d7efd3081
commit 2dc6fa67ee
1 changed files with 16 additions and 15 deletions
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31
lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
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@ -689,14 +689,14 @@ void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) {
OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
}
static const MCSymbol *GetLazyPtr(const MCSymbol *Sym, MCContext &Ctx) {
static MCSymbol *GetLazyPtr(MCSymbol *Sym, MCContext &Ctx) {
// Remove $stub suffix, add $lazy_ptr.
SmallString<128> TmpStr(Sym->getName().begin(), Sym->getName().end()-5);
TmpStr += "$lazy_ptr";
return Ctx.GetOrCreateSymbol(TmpStr.str());
}
static const MCSymbol *GetAnonSym(const MCSymbol *Sym, MCContext &Ctx) {
static MCSymbol *GetAnonSym(MCSymbol *Sym, MCContext &Ctx) {
// Add $tmp suffix to $stub, yielding $stub$tmp.
SmallString<128> TmpStr(Sym->getName().begin(), Sym->getName().end());
TmpStr += "$tmp";
@ -725,15 +725,16 @@ EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs) {
EmitAlignment(4);
MCSymbol *Stub = Stubs[i].first;
const MCSymbol *RawSym = Stubs[i].second.getPointer();
const MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
const MCSymbol *AnonSymbol = GetAnonSym(Stub, OutContext);
MCSymbol *RawSym = Stubs[i].second.getPointer();
MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
MCSymbol *AnonSymbol = GetAnonSym(Stub, OutContext);
OutStreamer.EmitLabel(Stub);
O << "\t.indirect_symbol " << *RawSym << '\n';
OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
// FIXME: MCize this.
O << "\tmflr r0\n";
O << "\tbcl 20,31," << *AnonSymbol << '\n';
O << *AnonSymbol << ":\n";
OutStreamer.EmitLabel(AnonSymbol);
O << "\tmflr r11\n";
O << "\taddis r11,r11,ha16(" << *LazyPtr << '-' << *AnonSymbol
<< ")\n";
@ -744,8 +745,8 @@ EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs) {
O << "\tbctr\n";
OutStreamer.SwitchSection(LSPSection);
O << *LazyPtr << ":\n";
O << "\t.indirect_symbol " << *RawSym << '\n';
OutStreamer.EmitLabel(LazyPtr);
OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
}
OutStreamer.AddBlankLine();
@ -759,25 +760,25 @@ EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs) {
16, SectionKind::getText());
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
MCSymbol *Stub = Stubs[i].first;
const MCSymbol *RawSym = Stubs[i].second.getPointer();
const MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
MCSymbol *RawSym = Stubs[i].second.getPointer();
MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
OutStreamer.SwitchSection(StubSection);
EmitAlignment(4);
OutStreamer.EmitLabel(Stub);
O << "\t.indirect_symbol " << *RawSym << '\n';
OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
O << "\tlis r11,ha16(" << *LazyPtr << ")\n";
O << (isPPC64 ? "\tldu" : "\tlwzu") << " r12,lo16(" << *LazyPtr
<< ")(r11)\n";
O << "\tmtctr r12\n";
O << "\tbctr\n";
OutStreamer.SwitchSection(LSPSection);
O << *LazyPtr << ":\n";
O << "\t.indirect_symbol " << *RawSym << '\n';
OutStreamer.EmitLabel(LazyPtr);
OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
O << (isPPC64 ? "\t.quad" : "\t.long") << " dyld_stub_binding_helper\n";
}
O << '\n';
OutStreamer.AddBlankLine();
}