Add compunit_symtab::forget_cached_source_info

It seemed cleaner to me for compunit_symtab to have a
forget_cached_source_info method, then for the objfile to know how to
do this.

3 files changed, 13 insertions, 4 deletions

diff --git a/gdb/symfile-debug.c b/gdb/symfile-debug.c
index 3912889..3a223d0 100644
--- a/gdb/symfile-debug.c
+++ b/gdb/symfile-debug.c
@@ -154,10 +154,7 @@ objfile::forget_cached_source_info ()
 		objfile_debug_name (this));
 
   for (compunit_symtab *cu : compunits ())
-    {
-      for (symtab *s : cu->filetabs ())
-	s->release_fullname ();
-    }
+    cu->forget_cached_source_info ();
 
   for (const auto &iter : qf)
     iter->forget_cached_source_info (this);
diff --git a/gdb/symtab.c b/gdb/symtab.c
index 4888ebc..39a6915 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -485,6 +485,15 @@ compunit_symtab::language () const
   return symtab->language ();
 }
 
+/* See symtab.h.  */
+
+void
+compunit_symtab::forget_cached_source_info ()
+{
+  for (symtab *s : filetabs ())
+    s->release_fullname ();
+}
+
 /* The relocated address of the minimal symbol, using the section
    offsets from OBJFILE.  */
 
diff --git a/gdb/symtab.h b/gdb/symtab.h
index 19bb697..d0b599f 100644
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -1965,6 +1965,9 @@ struct compunit_symtab
   /* Return the language of this compunit_symtab.  */
   enum language language () const;
 
+  /* Clear any cached source file names.  */
+  void forget_cached_source_info ();
+
   /* Unordered chain of all compunit symtabs of this objfile.  */
   struct compunit_symtab *next;