1 files changed, 51 insertions, 0 deletions
diff --git a/src/inc/openum.h b/src/inc/openum.h
new file mode 100644
index 0000000000..f71e411ddc
--- /dev/null
+++ b/src/inc/openum.h
@@ -0,0 +1,51 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#ifndef __openum_h__
+#define __openum_h__
+
+
+typedef enum opcode_t
+{
+#define OPDEF(c,s,pop,push,args,type,l,s1,s2,ctrl) c,
+#include "opcode.def"
+#undef OPDEF
+  CEE_COUNT,        /* number of instructions and macros pre-defined */
+} OPCODE;
+
+
+typedef enum opcode_format_t 
+{
+	InlineNone		= 0,	// no inline args       
+	InlineVar		= 1,	// local variable       (U2 (U1 if Short on))
+	InlineI			= 2,	// an signed integer    (I4 (I1 if Short on))
+	InlineR			= 3,	// a real number        (R8 (R4 if Short on))
+	InlineBrTarget	= 4,    // branch target        (I4 (I1 if Short on))
+	InlineI8		= 5,
+	InlineMethod	= 6,   // method token (U4)
+	InlineField		= 7,   // field token  (U4)
+	InlineType		= 8,   // type token   (U4)
+	InlineString	= 9,   // string TOKEN (U4)
+	InlineSig		= 10,  // signature tok (U4)
+	InlineRVA		= 11,  // ldptr token  (U4)
+	InlineTok		= 12,  // a meta-data token of unknown type (U4)
+	InlineSwitch	= 13,  // count (U4), pcrel1 (U4) .... pcrelN (U4)
+	InlinePhi		= 14,  // count (U1), var1 (U2) ... varN (U2) 
+
+	// WATCH OUT we are close to the limit here, if you add
+	// more enumerations you need to change ShortIline definition below
+
+	// The extended enumeration also encodes the size in the IL stream
+	ShortInline 	= 16,						// if this bit is set, the format is the 'short' format
+	PrimaryMask   	= (ShortInline-1),			// mask these off to get primary enumeration above
+	ShortInlineVar 	= (ShortInline + InlineVar),
+	ShortInlineI	= (ShortInline + InlineI),
+	ShortInlineR	= (ShortInline + InlineR),
+	ShortInlineBrTarget = (ShortInline + InlineBrTarget),
+	InlineOpcode	= (ShortInline + InlineNone),    // This is only used internally.  It means the 'opcode' is two byte instead of 1
+} OPCODE_FORMAT;
+
+#endif /* __openum_h__ */
+
+