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Adhemerval Zanella b539947e15 elf: Remove dead l_need_tls_init static-TLS init path 
Since af34b1376a ("elf: Initialize static TLS before relocation
processing", BZ 34164) dropped the 'defer-if-not-relocated' branch in
_dl_try_allocate_static_tls, nothing sets l_need_tls_init any more.  The
second pass in update_tls_slotinfo, guarded by l_need_tls_init, is
therefore dead: its _dl_update_slotinfo / _dl_init_static_tls calls never
run, and the static TLS image is initialised inline during relocation (IE
model) or lazily on first dynamic-TLS access instead.

Remove the dead loop, the now write-only l_need_tls_init field and its
clear in _dl_allocate_tls_init.  No functional change.

Checked on aarch64-linux-gnu, x86_64-linux-gnu, and i686-linux-gnu.
I also run the elf tests on armv7-a, alpha, loongarch64, mips64le,
powerpc, riscv, and s390x using qemu system.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
2026-08-31 15:43:44 -03:00
..
arpa
Enable --enable-fortify-source with clang
2025-11-21 13:13:11 -03:00
bits
debug: Fix build with --enable-fortify-source=1 (BZ 33904)
2026-02-26 10:12:56 -03:00
gnu
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2026-01-01 13:42:29 -08:00
net
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netinet
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programs
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2026-01-01 13:42:29 -08:00
protocols
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rpc
Optimize __libc_tsd_* thread variable access
2025-05-16 19:53:09 +02:00
rpcsvc
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sys
elf: Remove __chk_fail from dl-minimal.c
2026-08-31 15:43:44 -03:00
aio.h
rt: Move librt symbols to libc on hurd too
2026-03-15 18:07:58 +01:00
aliases.h
Move 'aliases' routines from 'inet' into 'nss'
2023-10-24 12:30:59 +02:00
alloc_buffer.h
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2026-01-01 13:42:29 -08:00
alloca.h
elf: early conversion of elf p_flags to mprotect flags
2025-08-27 10:45:45 -03:00
allocate_once.h
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2026-01-01 13:42:29 -08:00
ar.h
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argp-fmtstream.h
argp: Move attribute_hidden to argp-fmtstream.h
2025-10-29 12:54:00 -03:00
argp.h
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argz.h
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array_length.h
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2026-01-01 13:42:29 -08:00
assert.h
assert: Do not use stderr in libc-internal assert
2022-08-03 11:43:04 +02:00
assure.h
io: Use gnulib fts implementation (BZ 22944, BZ 20331)
2026-04-03 07:50:18 -03:00
atomic_wide_counter.h
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2026-01-01 13:42:29 -08:00
atomic.h
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2026-01-01 13:42:29 -08:00
byteswap.h
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clone_internal.h
posix: Add pidfd_spawn and pidfd_spawnp (BZ 30349)
2023-09-05 13:08:59 -03:00
complex.h
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cpio.h
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ctype.h
Use proper extern declaration for _nl_C_LC_CTYPE_{class,toupper,tolower}
2025-05-16 19:53:09 +02:00
des.h
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dirent.h
io: Use gnulib fts implementation (BZ 22944, BZ 20331)
2026-04-03 07:50:18 -03:00
dlfcn.h
elf: Do not add a copy of _dl_find_object to libc.so
2025-02-01 12:37:58 +01:00
dso_handle.h
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elf.h
elf: Add DL_ADDRESS_WITHOUT_RELOC [BZ #33088]
2025-07-01 03:44:52 +08:00
endian.h
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envz.h
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err.h
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errno.h
stdlib: Do not use GLIBC_PRIVATE ABI for errno in libc_nonshared.a
2024-09-06 14:07:00 +02:00
error.h
Mark various cold functions as __COLD
2023-05-01 19:33:21 +02:00
execinfo.h
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fcntl.h
fcntl: drop nonnull attribute for openat, openat2's path argument [BZ #34313]
2026-08-30 03:50:13 +01:00
features-time64.h
y2038: Add support for 64-bit time on legacy ABIs
2021-06-15 10:42:11 -03:00
features.h
version.h, include/features.h: Increase version number
2026-07-24 22:10:57 +09:00
fenv.h
math: Add fetestexcept internal alias
2025-09-11 14:46:07 -03:00
file_change_detection.h
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2026-01-01 13:42:29 -08:00
filename.h
gnulib: sync comment from upstream
2026-02-03 09:28:23 -08:00
flexmember.h
io: Use gnulib fts implementation (BZ 22944, BZ 20331)
2026-04-03 07:50:18 -03:00
float.h
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fmtmsg.h
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fnmatch.h
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fpu_control.h
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fstab.h
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fts.h
io: Use gnulib fts implementation (BZ 22944, BZ 20331)
2026-04-03 07:50:18 -03:00
ftw.h
io: Add ftw64 with 64-bit time_t support
2021-06-15 10:42:11 -03:00
gconv.h
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getopt_int.h
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getopt.h
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glob.h
Fix extra PLT reference in libc.so due to __glob64_time64 if build with gcc 7.5 on 32bit.
2021-07-01 16:46:59 +02:00
gmp.h
Apply asm redirection in gmp.h before first use
2022-11-07 10:40:21 -03:00
gnu-versions.h
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2026-01-01 13:42:29 -08:00
grp-merge.h
Remove 'grp' and merge into 'nss' and 'posix'
2023-10-24 12:30:59 +02:00
grp.h
Remove 'grp' and merge into 'nss' and 'posix'
2023-10-24 12:30:59 +02:00
gshadow.h
Remove 'gshadow' and merge into 'nss'
2023-10-24 12:30:59 +02:00
hash.h
io: Use gnulib fts implementation (BZ 22944, BZ 20331)
2026-04-03 07:50:18 -03:00
iconv.h
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idx.h
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2026-01-01 13:42:29 -08:00
ifaddrs.h
nscd: Do not rebuild getaddrinfo (bug 30709)
2023-08-11 10:10:16 +02:00
ifreq.h
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ifunc-impl-list.h
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2026-01-01 13:42:29 -08:00
inline-hashtab.h
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2026-01-01 13:42:29 -08:00
intprops-internal.h
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2026-01-01 13:42:29 -08:00
intprops.h
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2026-01-01 13:42:29 -08:00
inttypes.h
Make strtoimax, strtoumax, wcstoimax, wcstoumax into aliases
2020-12-08 18:15:27 +00:00
langinfo.h
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lastlog.h
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libc-diag.h
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2026-01-01 13:42:29 -08:00
libc-internal.h
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2026-01-01 13:42:29 -08:00
libc-misc.h
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2026-01-01 13:42:29 -08:00
libc-pointer-arith.h
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2026-01-01 13:42:29 -08:00
libc-symbols.h
elf: Remove inhibit_stack_protector from __ifunc_resolver
2026-06-05 16:20:20 -03:00
libgen.h
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libintl.h
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limits.h
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2026-01-01 13:42:29 -08:00
link.h
elf: Remove dead l_need_tls_init static-TLS init path
2026-08-31 15:43:44 -03:00
list_t.h
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2026-01-01 13:42:29 -08:00
list.h
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2026-01-01 13:42:29 -08:00
locale.h
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loop_unroll.h
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2026-01-01 13:42:29 -08:00
malloc.h
Simplify __malloc_initialized
2021-07-22 18:38:04 +05:30
math-narrow-eval.h
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2026-01-01 13:42:29 -08:00
math.h
x86: Add __issignalingl inline
2026-02-02 14:34:25 -03:00
mcheck.h
mcheck: Wean away from malloc hooks [BZ #23489]
2021-07-22 18:38:02 +05:30
memory.h
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mntent.h
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monetary.h
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mqueue.h
rt: Move librt symbols to libc on hurd too
2026-03-15 18:07:58 +01:00
netdb.h
resolv: Move libanl symbols to libc on hurd too
2026-03-15 21:24:00 +01:00
netgroup.h
Move 'netgroup' routines from 'inet' into 'nss'
2023-10-24 12:30:59 +02:00
next-prime.h
io: Use gnulib fts implementation (BZ 22944, BZ 20331)
2026-04-03 07:50:18 -03:00
nl_types.h
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nss_dns.h
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2026-01-01 13:42:29 -08:00
nss_files.h
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2026-01-01 13:42:29 -08:00
nss.h
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nsswitch.h
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obstack.h
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plural-exp.h
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poll.h
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printf_buffer.h
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2026-01-01 13:42:29 -08:00
printf.h
stdio-common: Convert vfprintf and related functions to buffers
2022-12-19 18:56:54 +01:00
pthread.h
pthread: Simplify condition for hidden proto
2025-11-22 21:55:02 +01:00
pty.h
login: Move libutil into libc
2021-06-30 08:43:37 +02:00
pwd.h
Remove 'pwd' and merge into 'nss'
2023-10-24 12:30:59 +02:00
random-bits.h
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2026-01-01 13:42:29 -08:00
re_comp.h
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regex.h
Fix regex type usage
2023-05-01 09:08:59 -04:00
regexp.h
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register-atfork.h
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2026-01-01 13:42:29 -08:00
resolv.h
resolv: Declare __p_class_syms, __p_type_syms for internal use
2026-06-19 18:22:20 +02:00
rounding-mode.h
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2026-01-01 13:42:29 -08:00
rtld-malloc.h
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2026-01-01 13:42:29 -08:00
sched.h
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scratch_buffer.h
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2026-01-01 13:42:29 -08:00
search.h
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set-freeres.h
resolv: Move libanl symbols to libc on hurd too
2026-03-15 21:24:00 +01:00
setjmp.h
support: add check_mem_access function
2025-09-15 09:47:41 +01:00
sgtty.h
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shadow.h
Remove 'shadow' and merge into 'nss'
2023-10-24 12:30:59 +02:00
shlib-compat.h
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2026-01-01 13:42:29 -08:00
shm-directory.h
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2026-01-01 13:42:29 -08:00
signal.h
nptl: Add __raise_direct
2026-08-31 15:43:44 -03:00
spawn.h
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stab.h
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stackinfo.h
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2026-01-01 13:42:29 -08:00
stap-probe.h
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2026-01-01 13:42:29 -08:00
stdbit.h
stdlib: Add internal stdc_rotate_left implementation
2026-05-07 20:04:06 +02:00
stdc-predef.h
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2026-01-01 13:42:29 -08:00
stdint.h
Undef __INT64_C/__UINT64_C for glibc build and test
2025-08-22 18:18:38 -07:00
stdio_ext.h
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stdio.h
Enable --enable-fortify-source with clang
2025-11-21 13:13:11 -03:00
stdlib.h
debug: Improve '%n' fortify detection (BZ 30932)
2025-03-21 15:46:48 -03:00
string.h
string: Check if attribute can declared after function declaration
2025-11-10 08:57:56 -03:00
strings.h
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struct___timeb64.h
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struct___timespec64.h
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struct___timeval64.h
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stubs-prologue.h
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syscall.h
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sysexits.h
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syslog.h
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tar.h
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termios.h
termios: add new baud_t interface, defined to be explicitly numeric
2025-06-17 09:11:38 -03:00
tgmath.h
Don't use glibc <tgmath.h> when testing with Clang
2024-12-21 05:24:07 +08:00
time.h
rt: Move librt symbols to libc on hurd too
2026-03-15 18:07:58 +01:00
ttyent.h
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uchar.h
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ucontext.h
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ulimit.h
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unistd_ext.h
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unistd.h
Enable --enable-fortify-source with clang
2025-11-21 13:13:11 -03:00
utime.h
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utmp.h
login: Move libutil into libc
2021-06-30 08:43:37 +02:00
values.h
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2026-01-01 13:42:29 -08:00
verify.h
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wait.h
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wchar.h
Enable --enable-fortify-source with clang
2025-11-21 13:13:11 -03:00
wctype.h
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wordexp.h
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xalloc-oversized.h
io: Use gnulib fts implementation (BZ 22944, BZ 20331)
2026-04-03 07:50:18 -03:00