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[PATCH 15/19] Mark ld.so internel string functions hidden
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 14 Oct 2015 15:47:33 -0700
- Subject: [PATCH 15/19] Mark ld.so internel string functions hidden
- Authentication-results: sourceware.org; auth=none
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Since ld.so internel string functions are only used internally in
ld.so, they can be made hidden.
[BZ #19122]
* include/string.h [IS_IN (rtld)] (__stpcpy): Add
attribute_hidden.
[IS_IN (rtld)] (__strdup): Likewise.
[IS_IN (rtld)] (__strerror_r): Likewise.
[IS_IN (rtld)] (__strsep_g): Likewise.
[IS_IN (rtld)] (memchr): Likewise.
[IS_IN (rtld)] (memcmp): Likewise.
[IS_IN (rtld)] (memcpy): Likewise.
[IS_IN (rtld)] (memmove): Likewise.
[IS_IN (rtld)] (memset): Likewise.
[IS_IN (rtld)] (rawmemchr): Likewise.
[IS_IN (rtld)] (stpcpy): Likewise.
[IS_IN (rtld)] (strchr): Likewise.
[IS_IN (rtld)] (strcmp): Likewise.
[IS_IN (rtld)] (strlen): Likewise.
[IS_IN (rtld)] (strnlen): Likewise.
[IS_IN (rtld)] (strsep): Likewise.
---
include/string.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/string.h b/include/string.h
index c57671e..a684fd9 100644
--- a/include/string.h
+++ b/include/string.h
@@ -118,6 +118,26 @@ libc_hidden_builtin_proto (strspn)
libc_hidden_builtin_proto (strstr)
libc_hidden_builtin_proto (ffs)
+#if IS_IN (rtld)
+extern __typeof (__stpcpy) __stpcpy attribute_hidden;
+extern __typeof (__strdup) __strdup attribute_hidden;
+extern __typeof (__strerror_r) __strerror_r attribute_hidden;
+extern __typeof (__strsep_g) __strsep_g attribute_hidden;
+
+extern __typeof (memchr) memchr attribute_hidden;
+extern __typeof (memcmp) memcmp attribute_hidden;
+extern __typeof (memcpy) memcpy attribute_hidden;
+extern __typeof (memmove) memmove attribute_hidden;
+extern __typeof (memset) memset attribute_hidden;
+extern __typeof (rawmemchr) rawmemchr attribute_hidden;
+extern __typeof (stpcpy) stpcpy attribute_hidden;
+extern __typeof (strchr) strchr attribute_hidden;
+extern __typeof (strcmp) strcmp attribute_hidden;
+extern __typeof (strlen) strlen attribute_hidden;
+extern __typeof (strnlen) strnlen attribute_hidden;
+extern __typeof (strsep) strsep attribute_hidden;
+#endif
+
#if (!IS_IN (libc) || !defined SHARED) \
&& !defined NO_MEMPCPY_STPCPY_REDIRECT
/* Redirect calls to __builtin_mempcpy and __builtin_stpcpy to call
--
2.4.3