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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
| //===- MCSymbolWasm.h - ----------------------------------------*- 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_MCSYMBOLWASM_H
#define LLVM_MC_MCSYMBOLWASM_H
#include "llvm/BinaryFormat/Wasm.h"
#include "llvm/MC/MCSymbol.h"
namespace llvm {
class MCSymbolWasm : public MCSymbol {
wasm::WasmSymbolType Type = wasm::WASM_SYMBOL_TYPE_DATA;
bool IsWeak = false;
bool IsHidden = false;
bool IsComdat = false;
mutable bool IsUsedInGOT = false;
Optional<std::string> ImportModule;
Optional<std::string> ImportName;
wasm::WasmSignature *Signature = nullptr;
Optional<wasm::WasmGlobalType> GlobalType;
Optional<wasm::WasmEventType> EventType;
/// An expression describing how to calculate the size of a symbol. If a
/// symbol has no size this field will be NULL.
const MCExpr *SymbolSize = nullptr;
public:
// Use a module name of "env" for now, for compatibility with existing tools.
// This is temporary, and may change, as the ABI is not yet stable.
MCSymbolWasm(const StringMapEntry<bool> *Name, bool isTemporary)
: MCSymbol(SymbolKindWasm, Name, isTemporary) {}
static bool classof(const MCSymbol *S) { return S->isWasm(); }
const MCExpr *getSize() const { return SymbolSize; }
void setSize(const MCExpr *SS) { SymbolSize = SS; }
bool isFunction() const { return Type == wasm::WASM_SYMBOL_TYPE_FUNCTION; }
bool isData() const { return Type == wasm::WASM_SYMBOL_TYPE_DATA; }
bool isGlobal() const { return Type == wasm::WASM_SYMBOL_TYPE_GLOBAL; }
bool isSection() const { return Type == wasm::WASM_SYMBOL_TYPE_SECTION; }
bool isEvent() const { return Type == wasm::WASM_SYMBOL_TYPE_EVENT; }
wasm::WasmSymbolType getType() const { return Type; }
void setType(wasm::WasmSymbolType type) { Type = type; }
bool isExported() const {
return getFlags() & wasm::WASM_SYMBOL_EXPORTED;
}
void setExported() const {
modifyFlags(wasm::WASM_SYMBOL_EXPORTED, wasm::WASM_SYMBOL_EXPORTED);
}
bool isNoStrip() const {
return getFlags() & wasm::WASM_SYMBOL_NO_STRIP;
}
void setNoStrip() const {
modifyFlags(wasm::WASM_SYMBOL_NO_STRIP, wasm::WASM_SYMBOL_NO_STRIP);
}
bool isWeak() const { return IsWeak; }
void setWeak(bool isWeak) { IsWeak = isWeak; }
bool isHidden() const { return IsHidden; }
void setHidden(bool isHidden) { IsHidden = isHidden; }
bool isComdat() const { return IsComdat; }
void setComdat(bool isComdat) { IsComdat = isComdat; }
const StringRef getImportModule() const {
if (ImportModule.hasValue()) {
return ImportModule.getValue();
}
return "env";
}
void setImportModule(StringRef Name) { ImportModule = Name; }
const StringRef getImportName() const {
if (ImportName.hasValue()) {
return ImportName.getValue();
}
return getName();
}
void setImportName(StringRef Name) { ImportName = Name; }
void setUsedInGOT() const { IsUsedInGOT = true; }
bool isUsedInGOT() const { return IsUsedInGOT; }
const wasm::WasmSignature *getSignature() const { return Signature; }
void setSignature(wasm::WasmSignature *Sig) { Signature = Sig; }
const wasm::WasmGlobalType &getGlobalType() const {
assert(GlobalType.hasValue());
return GlobalType.getValue();
}
void setGlobalType(wasm::WasmGlobalType GT) { GlobalType = GT; }
const wasm::WasmEventType &getEventType() const {
assert(EventType.hasValue());
return EventType.getValue();
}
void setEventType(wasm::WasmEventType ET) { EventType = ET; }
};
} // end namespace llvm
#endif // LLVM_MC_MCSYMBOLWASM_H
|