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-rw-r--r--elf/Versions1
-rw-r--r--elf/dl-tls.c12
2 files changed, 13 insertions, 0 deletions
diff --git a/elf/Versions b/elf/Versions
index 2383992..01b7a59 100644
--- a/elf/Versions
+++ b/elf/Versions
@@ -53,6 +53,7 @@ ld {
_dl_allocate_tls; _dl_allocate_tls_init;
_dl_argv; _dl_find_dso_for_object; _dl_get_tls_static_info;
_dl_deallocate_tls; _dl_make_stack_executable; _dl_out_of_memory;
+ _dl_clear_dtv;
_dl_rtld_di_serinfo; _dl_starting_up; _dl_tls_setup;
_rtld_global; _rtld_global_ro;
diff --git a/elf/dl-tls.c b/elf/dl-tls.c
index 576d9a1..c60a6b7 100644
--- a/elf/dl-tls.c
+++ b/elf/dl-tls.c
@@ -463,6 +463,18 @@ _dl_allocate_tls (void *mem)
}
rtld_hidden_def (_dl_allocate_tls)
+void
+internal_function
+_dl_clear_dtv (dtv_t *dtv)
+{
+ for (size_t cnt = 0; cnt < dtv[-1].counter; ++cnt)
+ if (! dtv[1 + cnt].pointer.is_static
+ && dtv[1 + cnt].pointer.val != TLS_DTV_UNALLOCATED)
+ free (dtv[1 + cnt].pointer.val);
+ memset (dtv, '\0', (dtv[-1].counter + 1) * sizeof (dtv_t));
+}
+
+rtld_hidden_def (_dl_clear_dtv)
#ifndef SHARED
extern dtv_t _dl_static_dtv[];