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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- MCWasmStreamer.h - MCStreamer Wasm Object File Interface -*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCWASMSTREAMER_H
#define LLVM_MC_MCWASMSTREAMER_H
#include "MCAsmBackend.h"
#include "MCCodeEmitter.h"
#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class MCExpr;
class MCInst;
class MCWasmStreamer : public MCObjectStreamer {
public:
MCWasmStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,
std::unique_ptr<MCObjectWriter> OW,
std::unique_ptr<MCCodeEmitter> Emitter)
: MCObjectStreamer(Context, std::move(TAB), std::move(OW),
std::move(Emitter)),
SeenIdent(false) {}
~MCWasmStreamer() override;
/// state management
void reset() override {
SeenIdent = false;
MCObjectStreamer::reset();
}
/// \name MCStreamer Interface
/// @{
void changeSection(MCSection *Section, const MCExpr *Subsection) override;
void emitAssemblerFlag(MCAssemblerFlag Flag) override;
void emitThumbFunc(MCSymbol *Func) override;
void emitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
bool emitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
void emitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) override;
void emitELFSize(MCSymbol *Symbol, const MCExpr *Value) override;
void emitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) override;
void emitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
uint64_t Size = 0, unsigned ByteAlignment = 0,
SMLoc Loc = SMLoc()) override;
void emitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment = 0) override;
void emitIdent(StringRef IdentString) override;
void finishImpl() override;
private:
void emitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &) override;
void emitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
/// Merge the content of the fragment \p EF into the fragment \p DF.
void mergeFragment(MCDataFragment *, MCDataFragment *);
bool SeenIdent;
};
} // end namespace llvm
#endif
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
|