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//===- MCSymbolXCOFF.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_MCSYMBOLXCOFF_H
#define LLVM_MC_MCSYMBOLXCOFF_H
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/XCOFF.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolTableEntry.h"
namespace llvm {
class MCSectionXCOFF;
class MCSymbolXCOFF : public MCSymbol {
enum XCOFFSymbolFlags : uint16_t { SF_EHInfo = 0x0001 };
public:
MCSymbolXCOFF(const MCSymbolTableEntry *Name, bool isTemporary)
: MCSymbol(SymbolKindXCOFF, Name, isTemporary) {}
static bool classof(const MCSymbol *S) { return S->isXCOFF(); }
enum CodeModel : uint8_t { CM_Small, CM_Large };
static StringRef getUnqualifiedName(StringRef Name) {
if (Name.back() == ']') {
StringRef Lhs, Rhs;
std::tie(Lhs, Rhs) = Name.rsplit('[');
assert(!Rhs.empty() && "Invalid SMC format in XCOFF symbol.");
return Lhs;
}
return Name;
}
void setStorageClass(XCOFF::StorageClass SC) {
StorageClass = SC;
};
XCOFF::StorageClass getStorageClass() const {
assert(StorageClass && "StorageClass not set on XCOFF MCSymbol.");
return *StorageClass;
}
StringRef getUnqualifiedName() const { return getUnqualifiedName(getName()); }
MCSectionXCOFF *getRepresentedCsect() const;
void setRepresentedCsect(MCSectionXCOFF *C);
void setVisibilityType(XCOFF::VisibilityType SVT) { VisibilityType = SVT; };
XCOFF::VisibilityType getVisibilityType() const { return VisibilityType; }
bool hasRename() const { return HasRename; }
void setSymbolTableName(StringRef STN) {
SymbolTableName = STN;
HasRename = true;
}
StringRef getSymbolTableName() const {
if (hasRename())
return SymbolTableName;
return getUnqualifiedName();
}
bool isEHInfo() const { return getFlags() & SF_EHInfo; }
void setEHInfo() const { modifyFlags(SF_EHInfo, SF_EHInfo); }
bool hasPerSymbolCodeModel() const { return PerSymbolCodeModel.has_value(); }
CodeModel getPerSymbolCodeModel() const {
assert(hasPerSymbolCodeModel() &&
"Requested code model for symbol without one");
return *PerSymbolCodeModel;
}
void setPerSymbolCodeModel(MCSymbolXCOFF::CodeModel Model) {
PerSymbolCodeModel = Model;
}
private:
std::optional<XCOFF::StorageClass> StorageClass;
std::optional<CodeModel> PerSymbolCodeModel;
MCSectionXCOFF *RepresentedCsect = nullptr;
XCOFF::VisibilityType VisibilityType = XCOFF::SYM_V_UNSPECIFIED;
StringRef SymbolTableName;
bool HasRename = false;
};
} // end namespace llvm
#endif // LLVM_MC_MCSYMBOLXCOFF_H
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