PR symtab/17391 gdb internal error: assertion fails in regcache.c:178

[deliverable/binutils-gdb.git] / gdb / bfin-tdep.c

diff --git a/gdb/bfin-tdep.c b/gdb/bfin-tdep.c
index 3afa7bc63da894aff12a255026cfbb60f92540c2..1d48225b420f2f5b6e629527a62ec5c30bc860de 100644 (file)
--- a/gdb/bfin-tdep.c
+++ b/gdb/bfin-tdep.c
@@ -566,8 +566,8 @@ bfin_push_dummy_call (struct gdbarch *gdbarch,
 static int
 bfin_reg_to_regnum (struct gdbarch *gdbarch, int reg)
 {
-  if (reg > ARRAY_SIZE (map_gcc_gdb))
-    return 0;
+  if (reg < 0 || reg >= ARRAY_SIZE (map_gcc_gdb))
+    return -1;
 
   return map_gcc_gdb[reg];
 }