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5d28a8962d
glibc/sysdeps/unix/sysv/linux/ia64
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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
..
bits Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
sys Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
____longjmp_chk.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
__ia64_longjmp.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
__longjmp.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
__sigstack_longjmp.c Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
__start_context.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
arch-syscall.h Update syscall lists for Linux 5.15 2021-11-10 15:21:19 +00:00
brk.c ia64: Fix brk call on statup 2021-01-28 14:05:14 -03:00
bsd-_setjmp.S
bsd-setjmp.S
c++-types.data
clone2.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
clone.S
configure
configure.ac
dl-cache.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-sysdep.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
getclktck.c
getcontext.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
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
ldconfig.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ldd-rewrite.sed
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 Add fmaximum, fminimum functions 2021-09-28 23:31:35 +00:00
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.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
makecontext.c Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
Makefile ia64: Remove _dl_var_init 2021-05-17 10:08:09 +02:00
mmap_internal.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
readelflib.c ldconfig/x86: Store ISA level in cache and aux cache 2021-01-13 05:51:17 -08:00
register-dump.h Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
rt-sysdep.S
setcontext.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
setjmp.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
shlib-versions Move malloc hooks into a compat DSO 2021-07-22 18:37:59 +05:30
sigaltstack-offsets.sym
sigcontext-offsets.sym
sigcontextinfo.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
swapcontext.c Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
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-sigstksz.h sysconf: Add _SC_MINSIGSTKSZ/_SC_SIGSTKSZ [BZ #20305] 2021-02-01 11:00:52 -08:00
sysdep.h Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
sysdep.S 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
tst-setcontext2.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tst-setcontext4.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ucontext_i.h Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
unwind_longjmp.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
unwind-dw2-fde.c
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
wordexp.c 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