[PATCH 23/24] gdb: remove free_so function

[Simon Marchi <simon.marchi@efficios.com>]

Remove this function, replace it with deleting the so_list in callers.

Change-Id: Idbd0cb84674ade1d8e17af471550dbd388264f60
---
 gdb/solib-svr4.c |  2 +-
 gdb/solib.c      | 24 +++---------------------
 gdb/solist.h     | 14 +-------------
 3 files changed, 5 insertions(+), 35 deletions(-)

diff --git a/gdb/solib-svr4.c b/gdb/solib-svr4.c
index 6311599ff709..4628c487ff79 100644
--- a/gdb/solib-svr4.c
+++ b/gdb/solib-svr4.c
@@ -1478,7 +1478,7 @@ svr4_current_sos ()
 	  if (address_in_mem_range (li->l_ld, &vsyscall_range))
 	    {
 	      auto next = sos.erase (so);
-	      free_so (*so);
+	      delete &*so;
 	      so = next;
 	      break;
 	    }
diff --git a/gdb/solib.c b/gdb/solib.c
index 2e4881798339..5272dce6fa4a 100644
--- a/gdb/solib.c
+++ b/gdb/solib.c
@@ -650,24 +650,6 @@ so_list::clear ()
 
 lm_info::~lm_info () = default;
 
-/* Free the storage associated with the `struct so_list' object SO.
-   If we have opened a BFD for SO, close it.
-
-   The caller is responsible for removing SO from whatever list it is
-   a member of.  If we have placed SO's sections in some target's
-   section table, the caller is responsible for removing them.
-
-   This function doesn't mess with objfiles at all.  If there is an
-   objfile associated with SO that needs to be removed, the caller is
-   responsible for taking care of that.  */
-
-void
-free_so (so_list &so)
-{
-  delete &so;
-}
-
-
 /* Read in symbols for shared object SO.  If SYMFILE_VERBOSE is set in FLAGS,
    be chatty about it.  Return true if any symbols were actually loaded.  */
 
@@ -845,7 +827,7 @@ update_solib_list (int from_tty)
       if (inferior_iter != inferior.end ())
 	{
 	  inferior.erase (inferior_iter);
-	  free_so (*inferior_iter);
+	  delete &*inferior_iter;
 	  ++gdb_iter;
 	}
 
@@ -871,7 +853,7 @@ update_solib_list (int from_tty)
 	     sections from so.abfd; remove them.  */
 	  current_program_space->remove_target_sections (&*gdb_iter);
 
-	  free_so (*gdb_iter);
+	  delete &*gdb_iter;
 	  gdb_iter = gdb_iter_next;
 	}
     }
@@ -1214,7 +1196,7 @@ clear_solib (void)
     {
       notify_solib_unloaded (current_program_space, so);
       current_program_space->remove_target_sections (&so);
-      free_so (so);
+      delete &so;
     });
 
 
diff --git a/gdb/solist.h b/gdb/solist.h
index 31b823a3a482..4232156c17a7 100644
--- a/gdb/solist.h
+++ b/gdb/solist.h
@@ -171,20 +171,8 @@ struct target_so_ops
   void (*handle_event) (void);
 };
 
-/* Free the memory associated with a (so_list *).  */
-void free_so (so_list &so);
-
-/* A deleter that calls free_so.  */
-struct so_deleter
-{
-  void operator() (struct so_list *so) const
-  {
-    free_so (*so);
-  }
-};
-
 /* A unique pointer to a so_list.  */
-typedef std::unique_ptr<so_list, so_deleter> so_list_up;
+using so_list_up = std::unique_ptr<so_list>;
 
 /* Find main executable binary file.  */
 extern gdb::unique_xmalloc_ptr<char> exec_file_find (const char *in_pathname,
-- 
2.42.0