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authorkan <kan@FreeBSD.org>2009-09-17 13:21:53 +0000
committerkan <kan@FreeBSD.org>2009-09-17 13:21:53 +0000
commit74dba11aaa299f71f2bf2b583d74575fec440e7b (patch)
treeb490b1d8c151e2f8662cd44424a62252358a1a9a /lib/libc
parentc6d8733edc1a9b777056acd234c7a45b857eaa2f (diff)
downloadFreeBSD-src-74dba11aaa299f71f2bf2b583d74575fec440e7b.zip
FreeBSD-src-74dba11aaa299f71f2bf2b583d74575fec440e7b.tar.gz
Make libc.a provide __stack_chk_fail_local weak alias. This is
needed to satisfy static libraries that are compiled with -fpic and linked into static binary afterwards. Several libraries in gcc are examples of such static libs.
Diffstat (limited to 'lib/libc')
-rw-r--r--lib/libc/sys/stack_protector.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libc/sys/stack_protector.c b/lib/libc/sys/stack_protector.c
index 63beebc..14c20eb 100644
--- a/lib/libc/sys/stack_protector.c
+++ b/lib/libc/sys/stack_protector.c
@@ -108,4 +108,8 @@ __chk_fail(void)
__fail("buffer overflow detected; terminated");
}
+#ifdef PIC
__sym_compat(__stack_chk_fail_local, __stack_chk_fail, FBSD_1.0);
+#else
+__weak_reference(__stack_chk_fail, __stack_chk_fail_local);
+#endif
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