tile BZ #15759: Fix bug in _dl_unmap

We returned without calling __munmap if not in the simulator.
Now we call a separate sim_dlclose() function to make the
control flow work correctly.

1 files changed, 9 insertions, 3 deletions

diff --git a/ports/sysdeps/tile/dl-runtime.c b/ports/sysdeps/tile/dl-runtime.c
index 84b5a5af5a..42f0ab3ac2 100644
--- a/ports/sysdeps/tile/dl-runtime.c
+++ b/ports/sysdeps/tile/dl-runtime.c
@@ -127,8 +127,8 @@ _dl_after_load (struct link_map *l)
 }
 
 /* Support notifying the simulator about removed objects prior to munmap().  */
-void internal_function
-_dl_unmap (struct link_map *l)
+static void
+sim_dlclose (ElfW(Addr) map_start)
 {
   int shift;
 
@@ -144,9 +144,15 @@ _dl_unmap (struct link_map *l)
   DLPUTC ('0');
   DLPUTC ('x');
   for (shift = (int) sizeof (unsigned long) * 8 - 4; shift >= 0; shift -= 4)
-    DLPUTC ("0123456789abcdef"[(l->l_map_start >> shift) & 0xF]);
+    DLPUTC ("0123456789abcdef"[(map_start >> shift) & 0xF]);
   DLPUTC ('\0');
+
 #undef DLPUTC
+}
 
+void internal_function
+_dl_unmap (struct link_map *l)
+{
+  sim_dlclose (l->l_map_start);
   __munmap ((void *) l->l_map_start, l->l_map_end - l->l_map_start);
 }