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67c0579669
glibc/sysdeps
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H.J. Lu 67c0579669 Mark _init and _fini as hidden [BZ #23145] 
_init and _fini are special functions provided by glibc for linker to
define DT_INIT and DT_FINI in executable and shared library.  They
should never be put in dynamic symbol table.  This patch marks them as
hidden to remove them from dynamic symbol table.

Tested with build-many-glibcs.py.

	[BZ #23145]
	* elf/Makefile (tests-special): Add $(objpfx)check-initfini.out.
	($(all-built-dso:=.dynsym): New target.
	(common-generated): Add $(all-built-dso:$(common-objpfx)%=%.dynsym).
	($(objpfx)check-initfini.out): New target.
	(generated): Add check-initfini.out.
	* scripts/check-initfini.awk: New file.
	* sysdeps/aarch64/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/alpha/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/arm/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/hppa/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/i386/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/ia64/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/m68k/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/microblaze/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/mips/mips32/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/mips/mips64/n32/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/mips/mips64/n64/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/nios2/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/powerpc/powerpc32/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/powerpc/powerpc64/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/s390/s390-32/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/s390/s390-64/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/sh/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/sparc/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
	* sysdeps/x86_64/crti.S (_init): Mark as hidden.
	(_fini): Likewise.
2018-06-08 10:28:52 -07:00
..
aarch64 Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
alpha Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
arm Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
generic Remove sysdeps/generic/libcidn.abilist 2018-06-01 11:25:41 +02:00
gnu hurd: Fix shmid_ds's shm_segsz field type 2018-06-02 21:52:43 +02:00
hppa Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
htl hurd: Avoid exposing all <sched.h> symbols from sys/types.h 2018-04-19 20:24:36 +02:00
hurd hurd: Fix hurd installed headers test 2018-04-20 00:16:40 +02:00
i386 Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
ia64 Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
ieee754 Fix i686-linux-gnu build with GCC mainline. 2018-05-22 16:55:04 +00:00
init_array sysdeps/init_array: Add PREINIT_FUNCTION to crti.S 2018-01-29 10:22:26 -08:00
m68k Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
mach Add narrowing divide functions. 2018-05-17 00:40:52 +00:00
microblaze Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
mips Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
nios2 Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
nptl Fix comment typo 2018-05-08 14:59:13 +02:00
posix Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247] 2018-05-23 15:27:24 +02:00
powerpc Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
pthread hurd: fix sigevent's sigev_notify_attributes field type 2018-04-19 21:43:44 +02:00
riscv elf: Unify symbol address run-time calculation [BZ #19818] 2018-04-04 23:09:37 +01:00
s390 Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
sh Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
sparc Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00
unix Add AArch64 hwcap values from Linux 4.17. 2018-06-05 15:51:12 +00:00
wordsize-32 Use libc_hidden_* for strtoumax (bug 15105). 2018-02-28 14:16:21 +00:00
wordsize-64 Use libc_hidden_* for strtoumax (bug 15105). 2018-02-28 14:16:21 +00:00
x86 x86-64: Check Prefer_FSRM in ifunc-memmove.h 2018-05-21 16:54:59 -07:00
x86_64 Mark _init and _fini as hidden [BZ #23145] 2018-06-08 10:28:52 -07:00