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authorH.J. Lu <hjl.tools@gmail.com>2012-11-21 06:33:19 -0800
committerH.J. Lu <hjl.tools@gmail.com>2012-11-21 06:33:19 -0800
commit7e1be741255c40a2d71ea7c888eff39a3aaa32e9 (patch)
treec78a665d15bb6a1f22b63063f1f64545f351536d /elf/get-dynamic-info.h
parent86fe56bbdece927de2b0c6f122493e97ad12937a (diff)
downloadglibc-7e1be741255c40a2d71ea7c888eff39a3aaa32e9.tar.gz
Check supported DF_1_XXX bits
Diffstat (limited to 'elf/get-dynamic-info.h')
-rw-r--r--elf/get-dynamic-info.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/elf/get-dynamic-info.h b/elf/get-dynamic-info.h
index ffac75f635..9e018de6d2 100644
--- a/elf/get-dynamic-info.h
+++ b/elf/get-dynamic-info.h
@@ -151,6 +151,9 @@ elf_get_dynamic_info (struct link_map *l, ElfW(Dyn) *temp)
{
l->l_flags_1 = info[VERSYMIDX (DT_FLAGS_1)]->d_un.d_val;
+ /* Only DT_1_SUPPORTED_MASK bits are allowed. */
+ assert ((l->l_flags_1 & ~DT_1_SUPPORTED_MASK) == 0);
+
if (l->l_flags_1 & DF_1_NOW)
info[DT_BIND_NOW] = info[VERSYMIDX (DT_FLAGS_1)];
}