gdb: have reggroup_find return a const

Update reggroup_find to return a const reggroup *.

There are other function in gdb/reggroup.{c,h} files that could
benefit from returning const, these will be updated in later commits.

There should be no user visible changes after this commit.

diff --git a/gdb/reggroups.c b/gdb/reggroups.c
index d5a263f8109bc21bbbf6718ac68343a8914471d1..6c38ca743f4c916a9938f44e9528221038d69e5a 100644 (file)
--- a/gdb/reggroups.c
+++ b/gdb/reggroups.c
@@ -219,7 +219,7 @@ default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
 
 /* See reggroups.h.  */
 
-reggroup *
+const reggroup *
 reggroup_find (struct gdbarch *gdbarch, const char *name)
 {
   struct reggroup *group;

diff --git a/gdb/reggroups.h b/gdb/reggroups.h
index df8e871e365a9f70940267442cc59efb222d425a..bc87a7325f02035edba84388d6c0a74ac3fbbbda 100644 (file)
--- a/gdb/reggroups.h
+++ b/gdb/reggroups.h
@@ -62,7 +62,8 @@ extern struct reggroup *reggroup_next (struct gdbarch *gdbarch,
 extern struct reggroup *reggroup_prev (struct gdbarch *gdbarch,
                                       const struct reggroup *curr);
 /* Find a reggroup by name.  */
-extern reggroup *reggroup_find (struct gdbarch *gdbarch, const char *name);
+extern const reggroup *reggroup_find (struct gdbarch *gdbarch,
+                                     const char *name);
 
 /* Is REGNUM a member of REGGROUP?  */
 extern int default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,