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📁 ..
📄 MipsABIFlagsSection.cpp(2.51 KB)
📄 MipsABIFlagsSection.h(5.84 KB)
📄 MipsABIInfo.cpp(3.7 KB)
📄 MipsABIInfo.h(2.59 KB)
📄 MipsAsmBackend.cpp(24.31 KB)
📄 MipsAsmBackend.h(2.73 KB)
📄 MipsBaseInfo.h(4.46 KB)
📄 MipsELFObjectWriter.cpp(24.29 KB)
📄 MipsELFStreamer.cpp(3.83 KB)
📄 MipsELFStreamer.h(3.34 KB)
📄 MipsFixupKinds.h(5.86 KB)
📄 MipsInstPrinter.cpp(8.25 KB)
📄 MipsInstPrinter.h(3.51 KB)
📄 MipsMCAsmInfo.cpp(1.86 KB)
📄 MipsMCAsmInfo.h(926 B)
📄 MipsMCCodeEmitter.cpp(40.54 KB)
📄 MipsMCCodeEmitter.h(13.69 KB)
📄 MipsMCExpr.cpp(7.94 KB)
📄 MipsMCExpr.h(2.42 KB)
📄 MipsMCNaCl.h(1.24 KB)
📄 MipsMCTargetDesc.cpp(7.15 KB)
📄 MipsMCTargetDesc.h(2.04 KB)
📄 MipsNaClELFStreamer.cpp(8.86 KB)
📄 MipsOptionRecord.cpp(3.57 KB)
📄 MipsTargetStreamer.cpp(45.07 KB)

Editing: MipsELFStreamer.h

//===- MipsELFStreamer.h - ELF Object Output --------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is a custom MCELFStreamer which allows us to insert some hooks before
// emitting data into an actual object file.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSELFSTREAMER_H
#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSELFSTREAMER_H

#include "MipsOptionRecord.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/MC/MCELFStreamer.h"
#include <memory>

namespace llvm {

class MCAsmBackend;
class MCCodeEmitter;
class MCContext;
class MCSubtargetInfo;
struct MCDwarfFrameInfo;

class MipsELFStreamer : public MCELFStreamer {
  SmallVector<std::unique_ptr<MipsOptionRecord>, 8> MipsOptionRecords;
  MipsRegInfoRecord *RegInfoRecord;
  SmallVector<MCSymbol*, 4> Labels;

public:
  MipsELFStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> MAB,
                  std::unique_ptr<MCObjectWriter> OW,
                  std::unique_ptr<MCCodeEmitter> Emitter);

/// Overriding this function allows us to add arbitrary behaviour before the
  /// \p Inst is actually emitted. For example, we can inspect the operands and
  /// gather sufficient information that allows us to reason about the register
  /// usage for the translation unit.
  void emitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;

/// Overriding this function allows us to record all labels that should be
  /// marked as microMIPS. Based on this data marking is done in
  /// EmitInstruction.
  void emitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc()) override;

/// Overriding this function allows us to dismiss all labels that are
  /// candidates for marking as microMIPS when .section directive is processed.
  void SwitchSection(MCSection *Section,
                     const MCExpr *Subsection = nullptr) override;

/// Overriding these functions allows us to dismiss all labels that are
  /// candidates for marking as microMIPS when .word/.long/.4byte etc
  /// directives are emitted.
  void emitValueImpl(const MCExpr *Value, unsigned Size, SMLoc Loc) override;
  void emitIntValue(uint64_t Value, unsigned Size) override;

// Overriding these functions allows us to avoid recording of these labels
  // in EmitLabel and later marking them as microMIPS.
  void emitCFIStartProcImpl(MCDwarfFrameInfo &Frame) override;
  void emitCFIEndProcImpl(MCDwarfFrameInfo &Frame) override;
  MCSymbol *emitCFILabel() override;

/// Emits all the option records stored up until the point it's called.
  void EmitMipsOptionRecords();

/// Mark labels as microMIPS, if necessary for the subtarget.
  void createPendingLabelRelocs();
};

MCELFStreamer *createMipsELFStreamer(MCContext &Context,
                                     std::unique_ptr<MCAsmBackend> MAB,
                                     std::unique_ptr<MCObjectWriter> OW,
                                     std::unique_ptr<MCCodeEmitter> Emitter,
                                     bool RelaxAll);
} // end namespace llvm

#endif // LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSELFSTREAMER_H

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Editing: MipsELFStreamer.h

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