vendor/llvm/llvm-trunk-r366426

1 files changed, 56 insertions, 0 deletions

diff --git a/include/llvm/MC/MCSectionXCOFF.h b/include/llvm/MC/MCSectionXCOFF.h
new file mode 100644
index 000000000000..2a3f391fd3e2
--- /dev/null
+++ b/include/llvm/MC/MCSectionXCOFF.h
@@ -0,0 +1,56 @@
+//===- MCSectionXCOFF.h - XCOFF Machine Code Sections -----------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the MCSectionXCOFF class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCSECTIONXCOFF_H
+#define LLVM_MC_MCSECTIONXCOFF_H
+
+#include "llvm/ADT/Twine.h"
+#include "llvm/BinaryFormat/XCOFF.h"
+#include "llvm/MC/MCSection.h"
+
+namespace llvm {
+
+class MCSymbol;
+
+// This class represents an XCOFF `Control Section`, more commonly referred to
+// as a csect. A csect represents the smallest possible unit of data/code which
+// will be relocated as a single block.
+class MCSectionXCOFF final : public MCSection {
+  friend class MCContext;
+
+  StringRef Name;
+  XCOFF::StorageMappingClass MappingClass;
+
+  MCSectionXCOFF(StringRef Section, XCOFF::StorageMappingClass SMC,
+                 SectionKind K, MCSymbol *Begin)
+      : MCSection(SV_XCOFF, K, Begin), Name(Section), MappingClass(SMC) {}
+
+public:
+  ~MCSectionXCOFF();
+
+  static bool classof(const MCSection *S) {
+    return S->getVariant() == SV_XCOFF;
+  }
+
+  StringRef getSectionName() const { return Name; }
+  XCOFF::StorageMappingClass getMappingClass() const { return MappingClass; }
+
+  void PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
+                            raw_ostream &OS,
+                            const MCExpr *Subsection) const override;
+  bool UseCodeAlign() const override;
+  bool isVirtualSection() const override;
+};
+
+} // end namespace llvm
+
+#endif