3 files changed, 3 insertions, 3 deletions
diff --git a/sim/m32r/m32r.c b/sim/m32r/m32r.c
index 811c2b1..f857369 100644
--- a/sim/m32r/m32r.c
+++ b/sim/m32r/m32r.c
@@ -98,7 +98,7 @@ m32rbf_fetch_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len
 /* The contents of BUF are in target byte order.  */
 
 int
-m32rbf_store_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len)
+m32rbf_store_register (SIM_CPU *current_cpu, int rn, const unsigned char *buf, int len)
 {
   int size = m32rbf_register_size (rn);
   if (len != size)
diff --git a/sim/m32r/m32r2.c b/sim/m32r/m32r2.c
index 9c8daa5..a057a4c 100644
--- a/sim/m32r/m32r2.c
+++ b/sim/m32r/m32r2.c
@@ -38,7 +38,7 @@ m32r2f_fetch_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len
 /* The contents of BUF are in target byte order.  */
 
 int
-m32r2f_store_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len)
+m32r2f_store_register (SIM_CPU *current_cpu, int rn, const unsigned char *buf, int len)
 {
   return m32rbf_store_register (current_cpu, rn, buf, len);
 }
diff --git a/sim/m32r/m32rx.c b/sim/m32r/m32rx.c
index 0709803..deafcbe 100644
--- a/sim/m32r/m32rx.c
+++ b/sim/m32r/m32rx.c
@@ -38,7 +38,7 @@ m32rxf_fetch_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len
 /* The contents of BUF are in target byte order.  */
 
 int
-m32rxf_store_register (SIM_CPU *current_cpu, int rn, unsigned char *buf, int len)
+m32rxf_store_register (SIM_CPU *current_cpu, int rn, const unsigned char *buf, int len)
 {
   return m32rbf_store_register (current_cpu, rn, buf, len);
 }