1 //===- MCSymbolWasm.h - ----------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_MC_MCSYMBOLWASM_H
10 #define LLVM_MC_MCSYMBOLWASM_H
12 #include "llvm/BinaryFormat/Wasm.h"
13 #include "llvm/MC/MCSymbol.h"
17 class MCSymbolWasm : public MCSymbol {
18 wasm::WasmSymbolType Type = wasm::WASM_SYMBOL_TYPE_DATA;
20 bool IsHidden = false;
21 bool IsComdat = false;
22 Optional<std::string> ImportModule;
23 Optional<std::string> ImportName;
24 wasm::WasmSignature *Signature = nullptr;
25 Optional<wasm::WasmGlobalType> GlobalType;
26 Optional<wasm::WasmEventType> EventType;
28 /// An expression describing how to calculate the size of a symbol. If a
29 /// symbol has no size this field will be NULL.
30 const MCExpr *SymbolSize = nullptr;
33 // Use a module name of "env" for now, for compatibility with existing tools.
34 // This is temporary, and may change, as the ABI is not yet stable.
35 MCSymbolWasm(const StringMapEntry<bool> *Name, bool isTemporary)
36 : MCSymbol(SymbolKindWasm, Name, isTemporary) {}
37 static bool classof(const MCSymbol *S) { return S->isWasm(); }
39 const MCExpr *getSize() const { return SymbolSize; }
40 void setSize(const MCExpr *SS) { SymbolSize = SS; }
42 bool isFunction() const { return Type == wasm::WASM_SYMBOL_TYPE_FUNCTION; }
43 bool isData() const { return Type == wasm::WASM_SYMBOL_TYPE_DATA; }
44 bool isGlobal() const { return Type == wasm::WASM_SYMBOL_TYPE_GLOBAL; }
45 bool isSection() const { return Type == wasm::WASM_SYMBOL_TYPE_SECTION; }
46 bool isEvent() const { return Type == wasm::WASM_SYMBOL_TYPE_EVENT; }
47 wasm::WasmSymbolType getType() const { return Type; }
48 void setType(wasm::WasmSymbolType type) { Type = type; }
50 bool isWeak() const { return IsWeak; }
51 void setWeak(bool isWeak) { IsWeak = isWeak; }
53 bool isHidden() const { return IsHidden; }
54 void setHidden(bool isHidden) { IsHidden = isHidden; }
56 bool isComdat() const { return IsComdat; }
57 void setComdat(bool isComdat) { IsComdat = isComdat; }
59 const StringRef getImportModule() const {
60 if (ImportModule.hasValue()) {
61 return ImportModule.getValue();
65 void setImportModule(StringRef Name) { ImportModule = Name; }
67 const StringRef getImportName() const {
68 if (ImportName.hasValue()) {
69 return ImportName.getValue();
73 void setImportName(StringRef Name) { ImportName = Name; }
75 const wasm::WasmSignature *getSignature() const { return Signature; }
76 void setSignature(wasm::WasmSignature *Sig) { Signature = Sig; }
78 const wasm::WasmGlobalType &getGlobalType() const {
79 assert(GlobalType.hasValue());
80 return GlobalType.getValue();
82 void setGlobalType(wasm::WasmGlobalType GT) { GlobalType = GT; }
84 const wasm::WasmEventType &getEventType() const {
85 assert(EventType.hasValue());
86 return EventType.getValue();
88 void setEventType(wasm::WasmEventType ET) { EventType = ET; }
91 } // end namespace llvm
93 #endif // LLVM_MC_MCSYMBOLWASM_H