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patch mdb-enums

@@ -2558,19 +2558,26 @@
         if (mdb_ctf_type_resolve(id, &base) == -1) {
                 mdb_warn("could not resolve type");
                 return (DCMD_ABORT);
         }
 
-        if (mdb_ctf_type_kind(base) != CTF_K_INTEGER) {
-                mdb_warn("expected integer type\n");
-                return (DCMD_ABORT);
-        }
-
+        switch (mdb_ctf_type_kind(base)) {
+                case CTF_K_ENUM:
+                        e.cte_format = CTF_INT_SIGNED;
+                        e.cte_offset = 0;
+                        e.cte_bits = sizeof(int) * NBBY; /* XXX: get size from CTF? */
+                        break;
+                case CTF_K_INTEGER:
         if (mdb_ctf_type_encoding(base, &e) != 0) {
                 mdb_warn("could not get type encoding");
                 return (DCMD_ABORT);
         }
+                        break;
+                default:
+                        mdb_warn("expected integer type\n");
+                        return (DCMD_ABORT);
+        }
 
         if (sign)
                 sign = e.cte_format & CTF_INT_SIGNED;
 
         size = e.cte_bits / NBBY;

@@ -2751,10 +2758,29 @@
 
                 mdb_printf(fmt, buf);
                 return (0);
         }
 
+        if (mdb_ctf_type_kind(base) == CTF_K_ENUM) {
+                const char *strval;
+                int value;
+
+                if (mdb_vread(&value, sizeof (value), addr) == -1) {
+                        mdb_warn("failed to read pointer at %llx", addr);
+                        return (DCMD_ERR);
+                }
+
+                if ((strval = mdb_ctf_enum_name(id, value))) {
+                        mdb_printf(fmt, strval);
+                } else {
+                        mdb_snprintf(buf, sizeof (buf), "<%d>", value);
+                        mdb_printf(fmt, buf);
+                }
+
+                return (DCMD_OK);
+        }
+
         if (mdb_ctf_type_kind(base) != CTF_K_ARRAY) {
                 mdb_warn("exepected pointer or array type\n");
                 return (DCMD_ABORT);
         }