1 files changed, 67 insertions, 0 deletions
diff --git a/lib/Target/Mips/MCTargetDesc/MipsABIInfo.h b/lib/Target/Mips/MCTargetDesc/MipsABIInfo.h
new file mode 100644
index 0000000..008e08e
--- /dev/null
+++ b/lib/Target/Mips/MCTargetDesc/MipsABIInfo.h
@@ -0,0 +1,67 @@
+//===---- MipsABIInfo.h - Information about MIPS ABI's --------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSABIINFO_H
+#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSABIINFO_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/MC/MCRegisterInfo.h"
+
+namespace llvm {
+
+class MCTargetOptions;
+class StringRef;
+
+class MipsABIInfo {
+public:
+  enum class ABI { Unknown, O32, N32, N64, EABI };
+
+protected:
+  ABI ThisABI;
+
+public:
+  MipsABIInfo(ABI ThisABI) : ThisABI(ThisABI) {}
+
+  static MipsABIInfo Unknown() { return MipsABIInfo(ABI::Unknown); }
+  static MipsABIInfo O32() { return MipsABIInfo(ABI::O32); }
+  static MipsABIInfo N32() { return MipsABIInfo(ABI::N32); }
+  static MipsABIInfo N64() { return MipsABIInfo(ABI::N64); }
+  static MipsABIInfo EABI() { return MipsABIInfo(ABI::EABI); }
+  static MipsABIInfo computeTargetABI(Triple TT, StringRef CPU,
+                                      const MCTargetOptions &Options);
+
+  bool IsKnown() const { return ThisABI != ABI::Unknown; }
+  bool IsO32() const { return ThisABI == ABI::O32; }
+  bool IsN32() const { return ThisABI == ABI::N32; }
+  bool IsN64() const { return ThisABI == ABI::N64; }
+  bool IsEABI() const { return ThisABI == ABI::EABI; }
+  ABI GetEnumValue() const { return ThisABI; }
+
+  /// The registers to use for byval arguments.
+  const ArrayRef<MCPhysReg> GetByValArgRegs() const;
+
+  /// The registers to use for the variable argument list.
+  const ArrayRef<MCPhysReg> GetVarArgRegs() const;
+
+  /// Obtain the size of the area allocated by the callee for arguments.
+  /// CallingConv::FastCall affects the value for O32.
+  unsigned GetCalleeAllocdArgSizeInBytes(CallingConv::ID CC) const;
+
+  /// Ordering of ABI's
+  /// MipsGenSubtargetInfo.inc will use this to resolve conflicts when given
+  /// multiple ABI options.
+  bool operator<(const MipsABIInfo Other) const {
+    return ThisABI < Other.GetEnumValue();
+  }
+};
+}
+
+#endif