sim: ppc: netbsd: Sync errno codes with NetBSD 9.99.49

[deliverable/binutils-gdb.git] / sim / ppc / gdb-sim.c

diff --git a/sim/ppc/gdb-sim.c b/sim/ppc/gdb-sim.c
index 5431a66cd108d9825aa296fdd4d4322808208da7..c36d987785dc0c9fe49453437f60a14af31c557b 100644 (file)
--- a/sim/ppc/gdb-sim.c
+++ b/sim/ppc/gdb-sim.c
@@ -1,6 +1,6 @@
 /*  This file is part of GDB.
 
-    Copyright 2004, 2007 Free Software Foundation, Inc.
+    Copyright 2004-2020 Free Software Foundation, Inc.
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -28,11 +28,10 @@
 #include "gdb/remote-sim.h"
 #include "gdb/sim-ppc.h"
 
-/* Return the name of the register whose number is REGNUM, or zero if
-   REGNUM is an invalid register number.  */
-
-static const char *
-regnum2spr (int spr)
+/* Return the register name for the supplied SPR if any, or NULL if
+   none.  */
+const char *
+sim_spr_register_name (int spr)
 {
   if (spr_is_valid (spr))
     return spr_name (spr);
@@ -40,6 +39,11 @@ regnum2spr (int spr)
     return NULL;
 }
 
+#define regnum2spr(SPR) sim_spr_register_name (SPR)
+
+/* Return the name of the register whose number is REGNUM, or zero if
+   REGNUM is an invalid register number.  */
+
 static const char *
 regnum2name (int regnum)
 {
@@ -1285,7 +1289,7 @@ sim_store_register (SIM_DESC sd, int regno, unsigned char *buf, int length)
   const char *regname = regnum2name (regno);
 
   if (simulator == NULL || regname == NULL)
-    return -1;
+    return 0;
 
   TRACE(trace_gdb, ("sim_store_register(regno=%d(%s), buf=0x%lx)\n",
                    regno, regname, (long)buf));