Add an ARMUtils.h file to house utility functions for the ARM/Thumb Instruction Set Architecture.

llvm-svn: 124131

1 files changed, 23 insertions, 0 deletions

diff --git a/lldb/source/Plugins/Process/Utility/ARMUtils.h b/lldb/source/Plugins/Process/Utility/ARMUtils.h
new file mode 100644
index 00000000000..5b10b31b2f3
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/ARMUtils.h
@@ -0,0 +1,23 @@
+//===-- lldb_ARMUtils.h -----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef lldb_ARMUtils_h_
+#define lldb_ARMUtils_h_
+
+// Utility functions for the ARM/Thumb Instruction Set Architecture.
+
+namespace lldb_private {
+
+// This function performs the check for the register numbers 13 and 15 that are
+// not permitted for many Thumb register specifiers.
+static inline bool BadReg(uint32_t n) { return n == 13 || n == 15; }
+
+}   // namespace lldb_private
+
+#endif  // lldb_ARMUtils_h_