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authorFlorian Weimer <fweimer@redhat.com>2016-11-30 15:59:57 +0100
committerFlorian Weimer <fweimer@redhat.com>2016-11-30 15:59:57 +0100
commit9e78f6f6e7134a5f299cc8de77370218f8019237 (patch)
tree04aa339daf9901b8fc1851353c697528659e7afe /elf/dl-close.c
parent705a79f82560ff6472cebed86aa5db04cdea3bce (diff)
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Implement _dl_catch_error, _dl_signal_error in libc.so [BZ #16628]
This change moves the main implementation of _dl_catch_error,
_dl_signal_error to libc.so, where TLS variables can be used
directly.  This removes a writable function pointer from the
rtld_global variable.

For use during initial relocation, minimal implementations of these
functions are provided in ld.so.  These are eventually interposed
by the libc.so implementations.  This is implemented by compiling
elf/dl-error-skeleton.c twice, via elf/dl-error.c and
elf/dl-error-minimal.c.

As a side effect of this change, the static version of dl-error.c
no longer includes support for the
_dl_signal_cerror/_dl_receive_error mechanism because it is only
used in ld.so.
Diffstat (limited to 'elf/dl-close.c')
-rw-r--r--elf/dl-close.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 687d7de874..648970332e 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -814,7 +814,7 @@ _dl_close (void *_map)
     }
 
   if (__builtin_expect (map->l_direct_opencount, 1) == 0)
-    GLRO(dl_signal_error) (0, map->l_name, NULL, N_("shared object not open"));
+    _dl_signal_error (0, map->l_name, NULL, N_("shared object not open"));
 
   /* Acquire the lock.  */
   __rtld_lock_lock_recursive (GL(dl_load_lock));