glibc/sysdeps/unix/sysv/linux/arc
Florian Weimer ee1ada1bdb elf: Rework exception handling in the dynamic loader [BZ #25486]
The old exception handling implementation used function interposition
to replace the dynamic loader implementation (no TLS support) with the
libc implementation (TLS support).  This results in problems if the
link order between the dynamic loader and libc is reversed (bug 25486).

The new implementation moves the entire implementation of the
exception handling functions back into the dynamic loader, using
THREAD_GETMEM and THREAD_SETMEM for thread-local data support.
These depends on Hurd support for these macros, added in commit
b65a82e4e7 ("hurd: Add THREAD_GET/SETMEM/_NC").

One small obstacle is that the exception handling facilities are used
before the TCB has been set up, so a check is needed if the TCB is
available.  If not, a regular global variable is used to store the
exception handling information.

Also rename dl-error.c to dl-catch.c, to avoid confusion with the
dlerror function.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2022-11-03 09:39:31 +01:00
..
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Makefile
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arch-syscall.h Update syscall lists for Linux 5.17 2022-03-23 17:11:56 +00:00
c++-types.data
clone.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
configure
configure.ac
fixup-asm-unistd.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
getcontext.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
kernel-features.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
ld.abilist Fix glibc 2.34 ABI omission (missing GLIBC_2.34 in dynamic loader) 2022-01-27 18:52:05 +01:00
libBrokenLocale.abilist
libanl.abilist
libc.abilist stdlib: Add arc4random, arc4random_buf, and arc4random_uniform (BZ #4417) 2022-07-22 11:58:27 -03:00
libc_malloc_debug.abilist
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libcrypt.abilist
libdl.abilist
libm.abilist
libpthread.abilist
libresolv.abilist
librt.abilist
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libutil.abilist
localplt.data elf: Rework exception handling in the dynamic loader [BZ #25486] 2022-11-03 09:39:31 +01:00
makecontext.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
mmap_internal.h linux: Use same type for MMAP2_PAGE_UNIT 2022-09-20 10:57:40 -03:00
setcontext.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
shlib-versions
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single-thread.h Replace __libc_multiple_threads with __libc_single_threaded 2022-07-05 10:14:47 -03:00
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syscalls.list
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sysdep.h Introduce <pointer_guard.h>, extracted from <sysdep.h> 2022-10-18 17:03:55 +02:00
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