mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 09:43:32 +08:00
8bcdb7e0c5
Mark internal functions with attribute_hidden to allow direct access to
internal functions within libc.so and libc.a without using GOT nor PLT.
Size comparison of libc.so:
On x86-64:
text data bss dec hex
Before: 1728577 20584 17088 1766249 1af369
After : 1728593 20584 17088 1766265 1af379
The only change is __gconv_release_shlib in iconv/gconv_dl.c is inlined
since it is hidden, which increases the code size of gconv_dl.os by 18
bytes.
On i686:
text data bss dec hex
Before: 1869039 11444 11112 1891595 1cdd0b
After : 1868635 11444 11112 1891191 1cdb77
The code size is decreased by avoiding GOT/PLT for hidden functions.
[BZ #18822]
* iconv/gconv_int.h (__gconv_open): Add attribute_hidden.
(__gconv_close): Likewise.
(__gconv): Likewise.
(__gconv_find_transform): Likewise.
(__gconv_lookup_cache): Likewise.
(__gconv_compare_alias_cache): Likewise.
(__gconv_load_cache): Likewise.
(__gconv_get_path): Likewise.
(__gconv_close_transform): Likewise.
(__gconv_release_cache): Likewise.
(__gconv_find_shlib): Likewise.
(__gconv_release_shlib): Likewise.
(__gconv_get_builtin_trans): Likewise.
(__gconv_compare_alias): Likewise.
* include/dlfcn.h (_dlerror_run): Likewise.
* include/stdio.h (__fortify_fail_abort): Likewise.
* include/time.h (__tz_compute): Likewise.
(__strptime_internal): Likewise.
* intl/gettextP.h (_nl_find_domain): Likewise.
(_nl_load_domain): Likewise.
(_nl_find_msg): Likewise.
* intl/plural-exp.h (FREE_EXPRESSION): Likewise.
(EXTRACT_PLURAL_EXPRESSION): Likewise.
* locale/coll-lookup.h (__collidx_table_lookup): Likewise.
* resolv/gai_misc.h (__gai_enqueue_request): Likewise.
(__gai_find_request): Likewise.
(__gai_remove_request): Likewise.
(__gai_notify): Likewise.
(__gai_notify_only): Likewise.
* sysdeps/generic/aio_misc.h (__aio_sigqueue): Likewise.
* sysdeps/generic/ldsodefs.h (_dl_fini): Likewise.
(_dl_non_dynamic_init): Likewise.
(_dl_aux_init): Likewise.
* sysdeps/i386/machine-gmon.h (mcount_internal): Likewise.
* sysdeps/unix/sysv/linux/i386/olddirent.h (__old_getdents64):
Likewise.
* wcsmbs/wcsmbsload.h (__wcsmbs_load_conv): Likewise.
(__wcsmbs_clone_conv): Likewise.
(__wcsmbs_named_conv): Likewise.
|
||
|---|---|---|
| .. | ||
| bindtextdom.c | ||
| dcgettext.c | ||
| dcigettext.c | ||
| dcngettext.c | ||
| Depend | ||
| dgettext.c | ||
| dngettext.c | ||
| eval-plural.h | ||
| explodename.c | ||
| finddomain.c | ||
| gettext.c | ||
| gettextP.h | ||
| gmo.h | ||
| hash-string.c | ||
| hash-string.h | ||
| l10nflist.c | ||
| libintl.h | ||
| loadinfo.h | ||
| loadmsgcat.c | ||
| locale.alias | ||
| localealias.c | ||
| Makefile | ||
| ngettext.c | ||
| plural-exp.c | ||
| plural-exp.h | ||
| plural.c | ||
| plural.y | ||
| po2test.awk | ||
| textdomain.c | ||
| translit.po | ||
| tst-codeset.c | ||
| tst-gettext2.c | ||
| tst-gettext2.sh | ||
| tst-gettext3.c | ||
| tst-gettext4-de.po | ||
| tst-gettext4-fr.po | ||
| tst-gettext4.c | ||
| tst-gettext4.sh | ||
| tst-gettext5.c | ||
| tst-gettext6.c | ||
| tst-gettext6.sh | ||
| tst-gettext.c | ||
| tst-gettext.sh | ||
| tst-ngettext.c | ||
| tst-translit.c | ||
| tst-translit.sh | ||
| tstcodeset.po | ||
| tstlang1.po | ||
| tstlang2.po | ||
| Versions | ||