vendor/llvm/llvm-release_34-r197841

1 files changed, 55 insertions, 0 deletions

diff --git a/include/llvm/MC/MCRelocationInfo.h b/include/llvm/MC/MCRelocationInfo.h
new file mode 100644
index 0000000000000..9dab90099b7d1
--- /dev/null
+++ b/include/llvm/MC/MCRelocationInfo.h
@@ -0,0 +1,55 @@
+//==-- llvm/MC/MCRelocationInfo.h --------------------------------*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the MCRelocationInfo class, which provides methods to
+// create MCExprs from relocations, either found in an object::ObjectFile
+// (object::RelocationRef), or provided through the C API.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCRELOCATIONINFO_H
+#define LLVM_MC_MCRELOCATIONINFO_H
+
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+
+namespace object {
+class RelocationRef;
+}
+class MCExpr;
+class MCContext;
+
+/// \brief Create MCExprs from relocations found in an object file.
+class MCRelocationInfo {
+  MCRelocationInfo(const MCRelocationInfo &) LLVM_DELETED_FUNCTION;
+  void operator=(const MCRelocationInfo &) LLVM_DELETED_FUNCTION;
+
+protected:
+  MCContext &Ctx;
+
+public:
+  MCRelocationInfo(MCContext &Ctx);
+  virtual ~MCRelocationInfo();
+
+  /// \brief Create an MCExpr for the relocation \p Rel.
+  /// \returns If possible, an MCExpr corresponding to Rel, else 0.
+  virtual const MCExpr *createExprForRelocation(object::RelocationRef Rel);
+
+  /// \brief Create an MCExpr for the target-specific \p VariantKind.
+  /// The VariantKinds are defined in llvm-c/Disassembler.h.
+  /// Used by MCExternalSymbolizer.
+  /// \returns If possible, an MCExpr corresponding to VariantKind, else 0.
+  virtual const MCExpr *createExprForCAPIVariantKind(const MCExpr *SubExpr,
+                                                     unsigned VariantKind);
+};
+
+}
+
+#endif