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glibc/sysdeps/unix/sysv/linux/alpha
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Florian Weimer 5d28a8962d elf: Add _dl_find_object function 
It can be used to speed up the libgcc unwinder, and the internal
_dl_find_dso_for_object function (which is used for caller
identification in dlopen and related functions, and in dladdr).

_dl_find_object is in the internal namespace due to bug 28503.
If libgcc switches to _dl_find_object, this namespace issue will
be fixed.  It is located in libc for two reasons: it is necessary
to forward the call to the static libc after static dlopen, and
there is a link ordering issue with -static-libgcc and libgcc_eh.a
because libc.so is not a linker script that includes ld.so in the
glibc build tree (so that GCC's internal -lc after libgcc_eh.a does
not pick up ld.so).

It is necessary to do the i386 customization in the
sysdeps/x86/bits/dl_find_object.h header shared with x86-64 because
otherwise, multilib installations are broken.

The implementation uses software transactional memory, as suggested
by Torvald Riegel.  Two copies of the supporting data structures are
used, also achieving full async-signal-safety.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-12-28 22:52:56 +01:00
..
alpha
alphaev6/fpu
alphaev67/fpu
bits Define PTHREAD_STACK_MIN to sysconf(_SC_THREAD_STACK_MIN) 2021-07-09 15:10:35 -07:00
fpu
sys Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
____longjmp_chk.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
a.out.h
adjtime.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
adjtimex.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
aio_cancel.c Linux: Move aio_cancel, aio_cancel64 into libc 2021-06-25 11:48:46 +02:00
arch-syscall.h Update syscall lists for Linux 5.15 2021-11-10 15:21:19 +00:00
brk.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
c++-types.data
clone.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
configure
configure.ac
dl-auxv.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-support.c
dl-sysdep.c
errlist-compat.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fraiseexcpt.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fstatfs64.c linux: Consolidate fstatfs implementations 2021-02-11 07:58:31 -03:00
fstatfs.c linux: Consolidate fstatfs implementations 2021-02-11 07:58:31 -03:00
fxstat64.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fxstatat64.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
getclktck.c
getcontext.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
getdents64.c
getdents.c
getegid.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
geteuid.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
gethostname.c Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
getppid.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
getrlimit64.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
gettimeofday.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
glob-lstat-compat.c
globfree.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ieee_get_fp_control.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
ieee_set_fp_control.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
Implies
ioperm.c Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
ipc_priv.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
kernel_sigaction.h
kernel_stat.h alpha: Remove anonymous union in struct stat [BZ #27042] 2020-12-21 09:09:43 -03:00
kernel_sysinfo.h
kernel_termios.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
kernel-features.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ld.abilist nptl: Add public rseq symbols and <sys/rseq.h> 2021-12-09 09:49:32 +01:00
libanl.abilist resolv: Move libanl into libc (if libpthread is in libc) 2021-07-02 11:45:00 +02:00
libBrokenLocale.abilist
libc_malloc_debug.abilist Move malloc_{g,s}et_state to libc_malloc_debug 2021-07-22 18:38:10 +05:30
libc.abilist elf: Add _dl_find_object function 2021-12-28 22:52:56 +01:00
libcrypt.abilist
libdl.abilist dlfcn: Move dlopen into libc 2021-06-03 08:26:04 +02:00
libm.abilist math: Remove the error handling wrapper from hypot and hypotf 2021-12-13 10:08:46 -03:00
libnsl.abilist
libpthread.abilist nptl: Remove remaining code from libpthread 2021-05-21 22:35:01 +02:00
libresolv.abilist resolv: Move res_query functions into libc 2021-07-19 07:56:57 +02:00
librt-compat.c Linux: Move timer_settime, __timer_settime64 from librt to libc 2021-06-28 09:51:01 +02:00
librt.abilist Linux: Move timer_settime, __timer_settime64 from librt to libc 2021-06-28 09:51:01 +02:00
libthread_db.abilist
libutil.abilist login: Move libutil into libc 2021-06-30 08:43:37 +02:00
localplt.data mtrace: Wean away from malloc hooks 2021-07-22 18:38:06 +05:30
lxstat64.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
makecontext.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
Makefile nptl: Remove remaining code from libpthread 2021-05-21 22:35:01 +02:00
nldbl-abi.h
oldglob.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_adjtime.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_getitimer.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_getrusage.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_gettimeofday.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_setitimer.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_settimeofday.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_utimes.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
osf_wait4.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
register-dump.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
rt_sigaction.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
select.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
setcontext.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
setfpucw.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
setrlimit64.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
settimeofday.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
shlib-versions
sigcontextinfo.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
sizes.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
statfs64.c linux: Consolidate statfs implementations 2021-02-11 08:00:11 -03:00
statfs.c linux: Consolidate statfs implementations 2021-02-11 08:00:11 -03:00
swapcontext.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
syscall.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
syscalls.list linux: Consolidate Linux setsockopt implementation 2021-07-06 11:45:35 -03:00
sysconf.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
sysdep.h Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
timer_t_was_int_compat.h Linux: Define TIMER_T_WAS_INT_COMPAT in kernel-posix-timers.h 2021-06-28 09:51:00 +02:00
ucontext-offsets.sym
Versions Linux: Move timer_settime, __timer_settime64 from librt to libc 2021-06-28 09:51:01 +02:00
vfork.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
wait4.c alpha: Provide wait4 for static library [BZ #27150] 2021-01-05 11:22:25 -03:00
wordexp.c
xstat64.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
xstatconv.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
xstatconv.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
xstatver.h Remove mknod wrapper functions, move them to symbols 2020-10-09 17:02:06 -03:00