File: PPCELFStreamer.h

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (54 lines) | stat: -rw-r--r-- 1,969 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
//===- PPCELFStreamer.h - ELF Object Output --------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is a custom MCELFStreamer for PowerPC.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_PPC_MCELFSTREAMER_PPCELFSTREAMER_H
#define LLVM_LIB_TARGET_PPC_MCELFSTREAMER_PPCELFSTREAMER_H

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

namespace llvm {

class MCAsmBackend;
class MCCodeEmitter;
class MCContext;
class MCSubtargetInfo;

class PPCELFStreamer : public MCELFStreamer {
  // We need to keep track of the last label we emitted (only one) because
  // depending on whether the label is on the same line as an aligned
  // instruction or not, the label may refer to the instruction or the nop.
  MCSymbol *LastLabel;
  SMLoc LastLabelLoc;

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

  void emitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;

  // EmitLabel updates LastLabel and LastLabelLoc when a new label is emitted.
  void emitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc()) override;
private:
  void emitPrefixedInstruction(const MCInst &Inst, const MCSubtargetInfo &STI);
};

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

#endif // LLVM_LIB_TARGET_PPC_MCELFSTREAMER_PPCELFSTREAMER_H