* h8300-tdep.c (h8300_push_dummy_call): Replace unsafe alloca

        with xmalloc/cleanup.
        * mt-tdep.c (mt_push_dummy_call): Likewise.
        * tilegx-tdep.c (tilegx_push_dummy_call): Likewise.
        * xstormy16-tdep.c (xstormy16_push_dummy_call): Likewise.

1 files changed, 6 insertions, 2 deletions

diff --git a/gdb/xstormy16-tdep.c b/gdb/xstormy16-tdep.c
index 47fc86b..d5e315c 100644
--- a/gdb/xstormy16-tdep.c
+++ b/gdb/xstormy16-tdep.c
@@ -279,16 +279,20 @@ xstormy16_push_dummy_call (struct gdbarch *gdbarch,
   for (j = nargs - 1; j >= i; j--)
     {
       char *val;
+      struct cleanup *back_to;
+      const gdb_byte *bytes = value_contents (args[j]);
 
       typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
       slacklen = typelen & 1;
-      val = alloca (typelen + slacklen);
-      memcpy (val, value_contents (args[j]), typelen);
+      val = xmalloc (typelen + slacklen);
+      back_to = make_cleanup (xfree, val);
+      memcpy (val, bytes, typelen);
       memset (val + typelen, 0, slacklen);
 
       /* Now write this data to the stack.  The stack grows upwards.  */
       write_memory (stack_dest, val, typelen + slacklen);
       stack_dest += typelen + slacklen;
+      do_cleanups (back_to);
     }
 
   store_unsigned_integer (buf, xstormy16_pc_size, byte_order, bp_addr);