1 files changed, 3 insertions, 0 deletions
diff --git a/gdb/csky-tdep.h b/gdb/csky-tdep.h
index 54000ab..3ee50fc 100644
--- a/gdb/csky-tdep.h
+++ b/gdb/csky-tdep.h
@@ -93,6 +93,9 @@ enum csky_regnum
   CSKY_PSR_REGNUM = CSKY_CR0_REGNUM,
 
   CSKY_MAX_REGISTER_SIZE = 16,
+
+  /* Actually, the max regs number should be 1187. But if the
+     gdb stub does not send a tdesc-xml file to gdb, 253 works. */
   CSKY_MAX_REGS = 253
 };