1 files changed, 110 insertions, 0 deletions
diff --git a/third_party/llvm-project/include/llvm/MC/MCSymbolWasm.h b/third_party/llvm-project/include/llvm/MC/MCSymbolWasm.h
new file mode 100644
index 000000000..95beebe3f
--- /dev/null
+++ b/third_party/llvm-project/include/llvm/MC/MCSymbolWasm.h
@@ -0,0 +1,110 @@
+//===- MCSymbolWasm.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_MCSYMBOLWASM_H
+#define LLVM_MC_MCSYMBOLWASM_H
+
+#include "llvm/BinaryFormat/Wasm.h"
+#include "llvm/MC/MCSymbol.h"
+
+namespace llvm {
+
+class MCSymbolWasm : public MCSymbol {
+  wasm::WasmSymbolType Type = wasm::WASM_SYMBOL_TYPE_DATA;
+  bool IsWeak = false;
+  bool IsHidden = false;
+  bool IsComdat = false;
+  mutable bool IsUsedInGOT = false;
+  Optional<std::string> ImportModule;
+  Optional<std::string> ImportName;
+  wasm::WasmSignature *Signature = nullptr;
+  Optional<wasm::WasmGlobalType> GlobalType;
+  Optional<wasm::WasmEventType> EventType;
+
+  /// 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) {}
+  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 Type == wasm::WASM_SYMBOL_TYPE_FUNCTION; }
+  bool isData() const { return Type == wasm::WASM_SYMBOL_TYPE_DATA; }
+  bool isGlobal() const { return Type == wasm::WASM_SYMBOL_TYPE_GLOBAL; }
+  bool isSection() const { return Type == wasm::WASM_SYMBOL_TYPE_SECTION; }
+  bool isEvent() const { return Type == wasm::WASM_SYMBOL_TYPE_EVENT; }
+  wasm::WasmSymbolType getType() const { return Type; }
+  void setType(wasm::WasmSymbolType type) { Type = type; }
+
+  bool isExported() const {
+    return getFlags() & wasm::WASM_SYMBOL_EXPORTED;
+  }
+  void setExported() const {
+    modifyFlags(wasm::WASM_SYMBOL_EXPORTED, wasm::WASM_SYMBOL_EXPORTED);
+  }
+
+  bool isNoStrip() const {
+    return getFlags() & wasm::WASM_SYMBOL_NO_STRIP;
+  }
+  void setNoStrip() const {
+    modifyFlags(wasm::WASM_SYMBOL_NO_STRIP, wasm::WASM_SYMBOL_NO_STRIP);
+  }
+
+  bool isWeak() const { return IsWeak; }
+  void setWeak(bool isWeak) { IsWeak = isWeak; }
+
+  bool isHidden() const { return IsHidden; }
+  void setHidden(bool isHidden) { IsHidden = isHidden; }
+
+  bool isComdat() const { return IsComdat; }
+  void setComdat(bool isComdat) { IsComdat = isComdat; }
+
+  const StringRef getImportModule() const {
+      if (ImportModule.hasValue()) {
+          return ImportModule.getValue();
+      }
+      return "env";
+  }
+  void setImportModule(StringRef Name) { ImportModule = Name; }
+
+  const StringRef getImportName() const {
+      if (ImportName.hasValue()) {
+          return ImportName.getValue();
+      }
+      return getName();
+  }
+  void setImportName(StringRef Name) { ImportName = Name; }
+
+  void setUsedInGOT() const { IsUsedInGOT = true; }
+  bool isUsedInGOT() const { return IsUsedInGOT; }
+
+  const wasm::WasmSignature *getSignature() const { return Signature; }
+  void setSignature(wasm::WasmSignature *Sig) { Signature = Sig; }
+
+  const wasm::WasmGlobalType &getGlobalType() const {
+    assert(GlobalType.hasValue());
+    return GlobalType.getValue();
+  }
+  void setGlobalType(wasm::WasmGlobalType GT) { GlobalType = GT; }
+
+  const wasm::WasmEventType &getEventType() const {
+    assert(EventType.hasValue());
+    return EventType.getValue();
+  }
+  void setEventType(wasm::WasmEventType ET) { EventType = ET; }
+};
+
+} // end namespace llvm
+
+#endif // LLVM_MC_MCSYMBOLWASM_H