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 std::string ModuleName;
23 SmallVector<wasm::ValType, 1> Returns;
24 SmallVector<wasm::ValType, 4> Params;
25 wasm::WasmGlobalType GlobalType;
26 bool ParamsSet = false;
27 bool ReturnsSet = false;
28 bool GlobalTypeSet = false;
30 /// An expression describing how to calculate the size of a symbol. If a
31 /// symbol has no size this field will be NULL.
32 const MCExpr *SymbolSize = nullptr;
35 // Use a module name of "env" for now, for compatibility with existing tools.
36 // This is temporary, and may change, as the ABI is not yet stable.
37 MCSymbolWasm(const StringMapEntry<bool> *Name, bool isTemporary)
38 : MCSymbol(SymbolKindWasm, Name, isTemporary),
40 static bool classof(const MCSymbol *S) { return S->isWasm(); }
42 const MCExpr *getSize() const { return SymbolSize; }
43 void setSize(const MCExpr *SS) { SymbolSize = SS; }
45 bool isFunction() const { return Type == wasm::WASM_SYMBOL_TYPE_FUNCTION; }
46 bool isData() const { return Type == wasm::WASM_SYMBOL_TYPE_DATA; }
47 bool isGlobal() const { return Type == wasm::WASM_SYMBOL_TYPE_GLOBAL; }
48 bool isSection() const { return Type == wasm::WASM_SYMBOL_TYPE_SECTION; }
49 wasm::WasmSymbolType getType() const { return Type; }
50 void setType(wasm::WasmSymbolType type) { Type = type; }
52 bool isWeak() const { return IsWeak; }
53 void setWeak(bool isWeak) { IsWeak = isWeak; }
55 bool isHidden() const { return IsHidden; }
56 void setHidden(bool isHidden) { IsHidden = isHidden; }
58 bool isComdat() const { return IsComdat; }
59 void setComdat(bool isComdat) { IsComdat = isComdat; }
61 const StringRef getModuleName() const { return ModuleName; }
62 void setModuleName(StringRef Name) { ModuleName = Name; }
64 const SmallVector<wasm::ValType, 1> &getReturns() const {
69 void setReturns(SmallVectorImpl<wasm::ValType> &&Rets) {
71 Returns = std::move(Rets);
74 const SmallVector<wasm::ValType, 4> &getParams() const {
79 void setParams(SmallVectorImpl<wasm::ValType> &&Pars) {
81 Params = std::move(Pars);
84 const wasm::WasmGlobalType &getGlobalType() const {
85 assert(GlobalTypeSet);
89 void setGlobalType(wasm::WasmGlobalType GT) {
95 } // end namespace llvm
97 #endif // LLVM_MC_MCSYMBOLWASM_H