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-rw-r--r--gnu/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp294
1 files changed, 0 insertions, 294 deletions
diff --git a/gnu/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/gnu/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
deleted file mode 100644
index 78609ef3d4e..00000000000
--- a/gnu/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
+++ /dev/null
@@ -1,294 +0,0 @@
-//===-- PPCMCTargetDesc.cpp - PowerPC Target Descriptions -----------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file provides PowerPC specific target descriptions.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/PPCMCTargetDesc.h"
-#include "InstPrinter/PPCInstPrinter.h"
-#include "MCTargetDesc/PPCMCAsmInfo.h"
-#include "PPCTargetStreamer.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/MC/MCAssembler.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDwarf.h"
-#include "llvm/MC/MCELFStreamer.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCSymbolELF.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/CodeGen.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-#define GET_INSTRINFO_MC_DESC
-#include "PPCGenInstrInfo.inc"
-
-#define GET_SUBTARGETINFO_MC_DESC
-#include "PPCGenSubtargetInfo.inc"
-
-#define GET_REGINFO_MC_DESC
-#include "PPCGenRegisterInfo.inc"
-
-// Pin the vtable to this file.
-PPCTargetStreamer::PPCTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
-
-PPCTargetStreamer::~PPCTargetStreamer() = default;
-
-static MCInstrInfo *createPPCMCInstrInfo() {
- MCInstrInfo *X = new MCInstrInfo();
- InitPPCMCInstrInfo(X);
- return X;
-}
-
-static MCRegisterInfo *createPPCMCRegisterInfo(const Triple &TT) {
- bool isPPC64 =
- (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le);
- unsigned Flavour = isPPC64 ? 0 : 1;
- unsigned RA = isPPC64 ? PPC::LR8 : PPC::LR;
-
- MCRegisterInfo *X = new MCRegisterInfo();
- InitPPCMCRegisterInfo(X, RA, Flavour, Flavour);
- return X;
-}
-
-static MCSubtargetInfo *createPPCMCSubtargetInfo(const Triple &TT,
- StringRef CPU, StringRef FS) {
- return createPPCMCSubtargetInfoImpl(TT, CPU, FS);
-}
-
-static MCAsmInfo *createPPCMCAsmInfo(const MCRegisterInfo &MRI,
- const Triple &TheTriple) {
- bool isPPC64 = (TheTriple.getArch() == Triple::ppc64 ||
- TheTriple.getArch() == Triple::ppc64le);
-
- MCAsmInfo *MAI;
- if (TheTriple.isOSDarwin())
- MAI = new PPCMCAsmInfoDarwin(isPPC64, TheTriple);
- else
- MAI = new PPCELFMCAsmInfo(isPPC64, TheTriple);
-
- // Initial state of the frame pointer is R1.
- unsigned Reg = isPPC64 ? PPC::X1 : PPC::R1;
- MCCFIInstruction Inst =
- MCCFIInstruction::createDefCfa(nullptr, MRI.getDwarfRegNum(Reg, true), 0);
- MAI->addInitialFrameState(Inst);
-
- return MAI;
-}
-
-namespace {
-
-class PPCTargetAsmStreamer : public PPCTargetStreamer {
- formatted_raw_ostream &OS;
-
-public:
- PPCTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS)
- : PPCTargetStreamer(S), OS(OS) {}
-
- void emitTCEntry(const MCSymbol &S) override {
- OS << "\t.tc ";
- OS << S.getName();
- OS << "[TC],";
- OS << S.getName();
- OS << '\n';
- }
-
- void emitMachine(StringRef CPU) override {
- OS << "\t.machine " << CPU << '\n';
- }
-
- void emitAbiVersion(int AbiVersion) override {
- OS << "\t.abiversion " << AbiVersion << '\n';
- }
-
- void emitLocalEntry(MCSymbolELF *S, const MCExpr *LocalOffset) override {
- const MCAsmInfo *MAI = Streamer.getContext().getAsmInfo();
-
- OS << "\t.localentry\t";
- S->print(OS, MAI);
- OS << ", ";
- LocalOffset->print(OS, MAI);
- OS << '\n';
- }
-};
-
-class PPCTargetELFStreamer : public PPCTargetStreamer {
-public:
- PPCTargetELFStreamer(MCStreamer &S) : PPCTargetStreamer(S) {}
-
- MCELFStreamer &getStreamer() {
- return static_cast<MCELFStreamer &>(Streamer);
- }
-
- void emitTCEntry(const MCSymbol &S) override {
- // Creates a R_PPC64_TOC relocation
- Streamer.EmitValueToAlignment(8);
- Streamer.EmitSymbolValue(&S, 8);
- }
-
- void emitMachine(StringRef CPU) override {
- // FIXME: Is there anything to do in here or does this directive only
- // limit the parser?
- }
-
- void emitAbiVersion(int AbiVersion) override {
- MCAssembler &MCA = getStreamer().getAssembler();
- unsigned Flags = MCA.getELFHeaderEFlags();
- Flags &= ~ELF::EF_PPC64_ABI;
- Flags |= (AbiVersion & ELF::EF_PPC64_ABI);
- MCA.setELFHeaderEFlags(Flags);
- }
-
- void emitLocalEntry(MCSymbolELF *S, const MCExpr *LocalOffset) override {
- MCAssembler &MCA = getStreamer().getAssembler();
-
- int64_t Res;
- if (!LocalOffset->evaluateAsAbsolute(Res, MCA))
- report_fatal_error(".localentry expression must be absolute.");
-
- unsigned Encoded = ELF::encodePPC64LocalEntryOffset(Res);
- if (Res != ELF::decodePPC64LocalEntryOffset(Encoded))
- report_fatal_error(".localentry expression cannot be encoded.");
-
- unsigned Other = S->getOther();
- Other &= ~ELF::STO_PPC64_LOCAL_MASK;
- Other |= Encoded;
- S->setOther(Other);
-
- // For GAS compatibility, unless we already saw a .abiversion directive,
- // set e_flags to indicate ELFv2 ABI.
- unsigned Flags = MCA.getELFHeaderEFlags();
- if ((Flags & ELF::EF_PPC64_ABI) == 0)
- MCA.setELFHeaderEFlags(Flags | 2);
- }
-
- void emitAssignment(MCSymbol *S, const MCExpr *Value) override {
- auto *Symbol = cast<MCSymbolELF>(S);
-
- // When encoding an assignment to set symbol A to symbol B, also copy
- // the st_other bits encoding the local entry point offset.
- if (copyLocalEntry(Symbol, Value))
- UpdateOther.insert(Symbol);
- else
- UpdateOther.erase(Symbol);
- }
-
- void finish() override {
- for (auto *Sym : UpdateOther)
- copyLocalEntry(Sym, Sym->getVariableValue());
- }
-
-private:
- SmallPtrSet<MCSymbolELF *, 32> UpdateOther;
-
- bool copyLocalEntry(MCSymbolELF *D, const MCExpr *S) {
- auto *Ref = dyn_cast<const MCSymbolRefExpr>(S);
- if (!Ref)
- return false;
- const auto &RhsSym = cast<MCSymbolELF>(Ref->getSymbol());
- unsigned Other = D->getOther();
- Other &= ~ELF::STO_PPC64_LOCAL_MASK;
- Other |= RhsSym.getOther() & ELF::STO_PPC64_LOCAL_MASK;
- D->setOther(Other);
- return true;
- }
-};
-
-class PPCTargetMachOStreamer : public PPCTargetStreamer {
-public:
- PPCTargetMachOStreamer(MCStreamer &S) : PPCTargetStreamer(S) {}
-
- void emitTCEntry(const MCSymbol &S) override {
- llvm_unreachable("Unknown pseudo-op: .tc");
- }
-
- void emitMachine(StringRef CPU) override {
- // FIXME: We should update the CPUType, CPUSubType in the Object file if
- // the new values are different from the defaults.
- }
-
- void emitAbiVersion(int AbiVersion) override {
- llvm_unreachable("Unknown pseudo-op: .abiversion");
- }
-
- void emitLocalEntry(MCSymbolELF *S, const MCExpr *LocalOffset) override {
- llvm_unreachable("Unknown pseudo-op: .localentry");
- }
-};
-
-} // end anonymous namespace
-
-static MCTargetStreamer *createAsmTargetStreamer(MCStreamer &S,
- formatted_raw_ostream &OS,
- MCInstPrinter *InstPrint,
- bool isVerboseAsm) {
- return new PPCTargetAsmStreamer(S, OS);
-}
-
-static MCTargetStreamer *
-createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
- const Triple &TT = STI.getTargetTriple();
- if (TT.isOSBinFormatELF())
- return new PPCTargetELFStreamer(S);
- return new PPCTargetMachOStreamer(S);
-}
-
-static MCInstPrinter *createPPCMCInstPrinter(const Triple &T,
- unsigned SyntaxVariant,
- const MCAsmInfo &MAI,
- const MCInstrInfo &MII,
- const MCRegisterInfo &MRI) {
- return new PPCInstPrinter(MAI, MII, MRI, T);
-}
-
-extern "C" void LLVMInitializePowerPCTargetMC() {
- for (Target *T :
- {&getThePPC32Target(), &getThePPC64Target(), &getThePPC64LETarget()}) {
- // Register the MC asm info.
- RegisterMCAsmInfoFn C(*T, createPPCMCAsmInfo);
-
- // Register the MC instruction info.
- TargetRegistry::RegisterMCInstrInfo(*T, createPPCMCInstrInfo);
-
- // Register the MC register info.
- TargetRegistry::RegisterMCRegInfo(*T, createPPCMCRegisterInfo);
-
- // Register the MC subtarget info.
- TargetRegistry::RegisterMCSubtargetInfo(*T, createPPCMCSubtargetInfo);
-
- // Register the MC Code Emitter
- TargetRegistry::RegisterMCCodeEmitter(*T, createPPCMCCodeEmitter);
-
- // Register the asm backend.
- TargetRegistry::RegisterMCAsmBackend(*T, createPPCAsmBackend);
-
- // Register the object target streamer.
- TargetRegistry::RegisterObjectTargetStreamer(*T,
- createObjectTargetStreamer);
-
- // Register the asm target streamer.
- TargetRegistry::RegisterAsmTargetStreamer(*T, createAsmTargetStreamer);
-
- // Register the MCInstPrinter.
- TargetRegistry::RegisterMCInstPrinter(*T, createPPCMCInstPrinter);
- }
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.