From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 11 Jan 2024 04:01:46 +0000 (-0500)
Subject: sim: ppc: return register error when unhandled
X-Git-Tag: binutils-2_42~123
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=20617191e4813ac5dec0ca46931253f46b1719a3;p=thirdparty%2Fbinutils-gdb.git

sim: ppc: return register error when unhandled

We don't want to fallthru and use cooked_buf when we haven't initialized
it to anything.  Returning 0 indicates the register wasn't recognized.
---

diff --git a/sim/ppc/psim.c b/sim/ppc/psim.c
index a08d38914ea..645e29a636d 100644
--- a/sim/ppc/psim.c
+++ b/sim/ppc/psim.c
@@ -889,8 +889,7 @@ psim_read_register(psim *system,
   default:
     printf_filtered("psim_read_register(processor=%p,buf=%p,reg=%s) %s\n",
 		    processor, buf, reg, "read of this register unimplemented");
-    break;
-
+    return 0;
   }
 
   /* the PSIM internal values are in host order.  To fetch raw data,
@@ -1077,8 +1076,7 @@ psim_write_register(psim *system,
     printf_filtered("psim_write_register(processor=%p,cooked_buf=%p,reg=%s) %s\n",
 		    processor, cooked_buf, reg,
 		    "read of this register unimplemented");
-    break;
-
+    return 0;
   }
 
   return description.size;