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Mark ld.so internel string functions hidden

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Since ld.so internel string functions are only used internally in
ld.so, they can be made hidden.

	[BZ ]
	* 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.
This commit is contained in:
H.J. Lu 2015-10-15 14:25:45 -07:00
parent f3fc94c04f
commit f84114688a
2 changed files with 38 additions and 0 deletions

18
ChangeLog

@ -1,6 +1,24 @@
2015-10-15 H.J. Lu <hongjiu.lu@intel.com>
[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/stdlib.h [IS_IN (rtld)] (unsetenv): Add
attribute_hidden.
[IS_IN (rtld)] (__strtoul_internal): Likewise.

20
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