target: [tcg] Use a generic enum for DISAS_ values

Used later. An enum makes expected values explicit and
bounds the value space of switches.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <150002049746.22386.2316077281615710615.stgit@frigg.lan>
Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 40 insertions, 0 deletions

diff --git a/include/exec/translator.h b/include/exec/translator.h
new file mode 100644
index 0000000000..b51b8f8a4e
--- /dev/null
+++ b/include/exec/translator.h
@@ -0,0 +1,40 @@
+/*
+ * Generic intermediate code generation.
+ *
+ * Copyright (C) 2016-2017 Lluís Vilanova <vilanova@ac.upc.edu>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef EXEC__TRANSLATOR_H
+#define EXEC__TRANSLATOR_H
+
+/**
+ * DisasJumpType:
+ * @DISAS_NEXT: Next instruction in program order.
+ * @DISAS_TOO_MANY: Too many instructions translated.
+ * @DISAS_NORETURN: Following code is dead.
+ * @DISAS_TARGET_*: Start of target-specific conditions.
+ *
+ * What instruction to disassemble next.
+ */
+typedef enum DisasJumpType {
+    DISAS_NEXT,
+    DISAS_TOO_MANY,
+    DISAS_NORETURN,
+    DISAS_TARGET_0,
+    DISAS_TARGET_1,
+    DISAS_TARGET_2,
+    DISAS_TARGET_3,
+    DISAS_TARGET_4,
+    DISAS_TARGET_5,
+    DISAS_TARGET_6,
+    DISAS_TARGET_7,
+    DISAS_TARGET_8,
+    DISAS_TARGET_9,
+    DISAS_TARGET_10,
+    DISAS_TARGET_11,
+} DisasJumpType;
+
+#endif  /* EXEC__TRANSLATOR_H */