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* [glibc] aarch64: free tlsdesc data on dlclose [BZ #27403]
@ 2021-04-06 16:01 Szabolcs Nagy
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From: Szabolcs Nagy @ 2021-04-06 16:01 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69499bb6eeb4f5d1b3502758208301d21042a783
commit 69499bb6eeb4f5d1b3502758208301d21042a783
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Thu Feb 11 13:38:10 2021 +0000
aarch64: free tlsdesc data on dlclose [BZ #27403]
DL_UNMAP_IS_SPECIAL and DL_UNMAP were not defined. The definitions are
now copied from arm, since the same is needed on aarch64. The cleanup
of tlsdesc data is handled by the custom _dl_unmap.
Fixes bug 27403.
Diff:
---
sysdeps/aarch64/dl-lookupcfg.h | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/sysdeps/aarch64/dl-lookupcfg.h b/sysdeps/aarch64/dl-lookupcfg.h
new file mode 100644
index 0000000000..c1ae676ae1
--- /dev/null
+++ b/sysdeps/aarch64/dl-lookupcfg.h
@@ -0,0 +1,27 @@
+/* Configuration of lookup functions.
+ Copyright (C) 2006-2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#define DL_UNMAP_IS_SPECIAL
+
+#include_next <dl-lookupcfg.h>
+
+struct link_map;
+
+extern void _dl_unmap (struct link_map *map);
+
+#define DL_UNMAP(map) _dl_unmap (map)
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