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llvm-mirror/include/llvm/MC/MCSymbolWasm.h
Sam Clegg 2ccba8f08a Reland "[WebAssembly] Add visibility flag to Wasm symbol flags""
Original change was rL319488.

This was reverted rL319602 due to a gcc 7.1 warning.

Differential Revision: https://reviews.llvm.org/D40772

llvm-svn: 319626
2017-12-03 01:19:23 +00:00

78 lines
2.2 KiB
C++

//===- MCSymbolWasm.h - ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#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 {
private:
bool IsFunction = false;
bool IsWeak = false;
bool IsHidden = false;
std::string ModuleName;
SmallVector<wasm::ValType, 1> Returns;
SmallVector<wasm::ValType, 4> Params;
bool ParamsSet = false;
bool ReturnsSet = false;
/// 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),
ModuleName("env") {}
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 IsFunction; }
void setIsFunction(bool isFunc) { IsFunction = isFunc; }
bool isWeak() const { return IsWeak; }
void setWeak(bool isWeak) { IsWeak = isWeak; }
bool isHidden() const { return IsHidden; }
void setHidden(bool isHidden) { IsHidden = isHidden; }
const StringRef getModuleName() const { return ModuleName; }
const SmallVector<wasm::ValType, 1> &getReturns() const {
assert(ReturnsSet);
return Returns;
}
void setReturns(SmallVectorImpl<wasm::ValType> &&Rets) {
ReturnsSet = true;
Returns = std::move(Rets);
}
const SmallVector<wasm::ValType, 4> &getParams() const {
assert(ParamsSet);
return Params;
}
void setParams(SmallVectorImpl<wasm::ValType> &&Pars) {
ParamsSet = true;
Params = std::move(Pars);
}
};
} // end namespace llvm
#endif // LLVM_MC_MCSYMBOLWASM_H