1 files changed, 123 insertions, 0 deletions

diff --git a/private/windbg/em/p_alpha/optable.h b/private/windbg/em/p_alpha/optable.h
new file mode 100644
index 000000000..97e6a4bfc
--- /dev/null
+++ b/private/windbg/em/p_alpha/optable.h
@@ -0,0 +1,123 @@
+
+/*++
+
+Copyright (c) 1993  Digital Equipment Corporation
+
+Module Name:
+
+    optable.h
+
+Abstract:
+
+    Definitions for -
+    Table of operations, their names and charactersitics
+    Used by ntsd, windbg and acc's dissassembler
+
+Author:
+
+    Miche Baker-Harvey (mbh) 10-Jan-1993
+
+Revision History:
+
+--*/
+
+#ifndef _OPTABLE_
+#define _OPTABLE_
+
+//
+// Each entry in the opTable is either for a
+// +  function - one option on a particular opcode
+// +  terminal opcode - an opcode without a function field
+//      the above two can both appear directly in disassembly
+//
+// +  non terminal opcode - an opcode with a function field:
+//      these entries do not represent values which can be
+//      executed directly:  they require a function entry.
+//
+// + invalid opcode - this is an opcode reserved to digital
+//
+
+typedef enum ENTRY_TYPE {
+
+   INVALID_ETYPE,
+   NON_TERMINAL_ETYPE,
+   TERMINAL_ETYPE,
+   FUNCTION_ETYPE,
+   NOT_AN_ETYPE
+
+} ENTRY_TYPE;
+
+
+#define NO_FUNC   (ULONG)-1
+
+typedef ULONG (* PFOPPARSE)();
+
+typedef struct _OPTBLENTRY {
+
+    union {
+
+        struct {
+
+            PUCHAR     _pszName;                // Name of the instruction
+            PFOPPARSE  _parsFunc;               // Function to parse operands
+
+        } s0;                  // functions and terminal opcodes
+
+        struct {
+
+            struct _OPTBLENTRY * _funcTable;    // Describes funcs for opcode
+            ULONG            _funcTableSize;    // Number of possible funcs
+
+        } s1;                  // non-terminal opcodes
+
+    } u;
+
+    //
+    // These fields describe the instruction
+    //
+
+    ULONG opCode;       // Top 6 bits of a 32-bit alpha instr
+    ULONG funcCode;     // Function; meaning is opcode dependent
+    ULONG iType;        // type of the instr: branch, fp, mem...
+                        // values are ALPHA_* in alphaops.h
+
+    ENTRY_TYPE eType;   // type of this entry in the opTable
+
+} OPTBLENTRY, * POPTBLENTRY;
+
+//
+// MBH - hack workaround:
+// I tried to do this with nameless functions and structures;
+// it works just fine on ALPHA, but dies on 386, so use this
+// ugly hack instead.
+// The name "pszAlphaName" is used instead of the more obvious
+// "pszName" because other structures contain pszName.
+//
+#define pszAlphaName  u.s0._pszName
+#define parsFunc      u.s0._parsFunc
+#define funcTable     u.s1._funcTable
+#define funcTableSize u.s1._funcTableSize
+
+POPTBLENTRY findNonTerminalEntry(ULONG);
+POPTBLENTRY findStringEntry(PUCHAR);
+POPTBLENTRY findOpCodeEntry(ULONG);
+char * findFuncName(POPTBLENTRY, ULONG);
+char * findFlagName(ULONG, ULONG);
+void printTable();
+void opTableInit();
+
+//
+// This structure is used for the floating point flag names.
+//
+
+#define FPFLAGS_NOT_AN_ENTRY 0xffffffff
+
+typedef struct _FPFLAGS {
+
+    ULONG flags;        // the flags on the opcode
+    PUCHAR flagname;    // the string mnemonic for the flags
+
+} FPFLAGS, * PFPFLAGS;
+
+
+#endif   // _OPTABLE_