Fixes a compile time warnng about left shifting a negative value.

[deliverable/binutils-gdb.git] / gdb / regcache.c

diff --git a/gdb/regcache.c b/gdb/regcache.c
index 366eba0a427fb555f3dda3bb547ff9ccfbb2cfcf..86e648ae3d9b52496218f0cce97cee547321741a 100644 (file)
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -391,6 +391,9 @@ do_cooked_read (void *src, int regnum, gdb_byte *buf)
   return regcache_cooked_read (regcache, regnum, buf);
 }
 
+static void regcache_cpy_no_passthrough (struct regcache *dst,
+                                        struct regcache *src);
+
 void
 regcache_cpy (struct regcache *dst, struct regcache *src)
 {
@@ -407,7 +410,12 @@ regcache_cpy (struct regcache *dst, struct regcache *src)
     regcache_cpy_no_passthrough (dst, src);
 }
 
-void
+/* Copy/duplicate the contents of a register cache.  Unlike regcache_cpy,
+   which is pass-through, this does not go through to the target.
+   Only values values already in the cache are transferred.  The SRC and DST
+   buffers must not overlap.  */
+
+static void
 regcache_cpy_no_passthrough (struct regcache *dst, struct regcache *src)
 {
   gdb_assert (src != NULL && dst != NULL);