1 //===- MCSymbolWasm.h - ----------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #ifndef LLVM_MC_MCSYMBOLWASM_H 10 #define LLVM_MC_MCSYMBOLWASM_H 11 12 #include "llvm/MC/MCSymbol.h" 13 #include "llvm/Support/Wasm.h" 14 15 namespace llvm { 16 class MCSymbolWasm : public MCSymbol { 17 private: 18 bool IsFunction = false; 19 std::string ModuleName; 20 SmallVector<wasm::ValType, 1> Returns; 21 SmallVector<wasm::ValType, 4> Params; 22 23 /// An expression describing how to calculate the size of a symbol. If a 24 /// symbol has no size this field will be NULL. 25 const MCExpr *SymbolSize = nullptr; 26 27 public: 28 // Use a module name of "env" for now, for compatibility with existing tools. 29 // This is temporary, and may change, as the ABI is not yet stable. 30 MCSymbolWasm(const StringMapEntry<bool> *Name, bool isTemporary) 31 : MCSymbol(SymbolKindWasm, Name, isTemporary), 32 ModuleName("env") {} 33 static bool classof(const MCSymbol *S) { return S->isWasm(); } 34 35 const MCExpr *getSize() const { return SymbolSize; } 36 void setSize(const MCExpr *SS) { SymbolSize = SS; } 37 38 bool isFunction() const { return IsFunction; } 39 void setIsFunction(bool isFunc) { IsFunction = isFunc; } 40 41 const StringRef getModuleName() const { return ModuleName; } 42 43 const SmallVector<wasm::ValType, 1> &getReturns() const { return Returns; } 44 45 void setReturns(SmallVectorImpl<wasm::ValType> &&Rets) { 46 Returns = std::move(Rets); 47 } 48 49 const SmallVector<wasm::ValType, 4> &getParams() const { return Params; } 50 51 void setParams(SmallVectorImpl<wasm::ValType> &&Pars) { 52 Params = std::move(Pars); 53 } 54 }; 55 } 56 57 #endif 58