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nptl: Move __pthread_unwind_next into libc

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It's necessary to stub out __libc_disable_asynccancel and
__libc_enable_asynccancel via rtld-stubbed-symbols because the new
direct references to the unwinder result in symbol conflicts when the
rtld exception handling from libc is linked in during the construction
of librtld.map.

unwind-forcedunwind.c is merged into unwind-resume.c.  libc now needs
the functions that were previously only used in libpthread.

The GLIBC_PRIVATE exports of __libc_longjmp and __libc_siglongjmp are
no longer needed, so switch them to hidden symbols.

The symbol __pthread_unwind_next has been moved using
scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerva Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2021-04-21 19:49:50 +02:00
parent 3fec7f18bf
commit 1d95b035c7
82 changed files with 126 additions and 189 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
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@@ -2128,6 +2128,7 @@ GLIBC_2.3.2 pthread_cond_timedwait F
GLIBC_2.3.2 pthread_cond_wait F
GLIBC_2.3.2 strptime_l F
GLIBC_2.3.3 __pthread_cleanup_routine F
GLIBC_2.3.3 __pthread_unwind_next F
GLIBC_2.3.3 _sys_siglist D 0x104
GLIBC_2.3.3 gnu_dev_major F
GLIBC_2.3.3 gnu_dev_makedev F
@@ -2222,6 +2223,7 @@ GLIBC_2.33 stat64 F
GLIBC_2.34 __libc_start_main F
GLIBC_2.34 __pthread_cleanup_routine F
GLIBC_2.34 __pthread_once F
GLIBC_2.34 __pthread_unwind_next F
GLIBC_2.34 pthread_kill F
GLIBC_2.34 pthread_mutex_consistent F
GLIBC_2.34 pthread_once F

1
sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
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@@ -153,7 +153,6 @@ GLIBC_2.3.3 __pthread_register_cancel F
GLIBC_2.3.3 __pthread_register_cancel_defer F
GLIBC_2.3.3 __pthread_unregister_cancel F
GLIBC_2.3.3 __pthread_unregister_cancel_restore F
GLIBC_2.3.3 __pthread_unwind_next F
GLIBC_2.3.3 pthread_attr_getaffinity_np F
GLIBC_2.3.3 pthread_attr_setstack F
GLIBC_2.3.3 pthread_attr_setstacksize F

2
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
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@@ -2059,6 +2059,7 @@ GLIBC_2.3.2 pthread_cond_timedwait F
GLIBC_2.3.2 pthread_cond_wait F
GLIBC_2.3.2 strptime_l F
GLIBC_2.3.3 __pthread_cleanup_routine F
GLIBC_2.3.3 __pthread_unwind_next F
GLIBC_2.3.3 _sys_siglist D 0x208
GLIBC_2.3.3 gnu_dev_major F
GLIBC_2.3.3 gnu_dev_makedev F
@@ -2141,6 +2142,7 @@ GLIBC_2.33 stat64 F
GLIBC_2.34 __libc_start_main F
GLIBC_2.34 __pthread_cleanup_routine F
GLIBC_2.34 __pthread_once F
GLIBC_2.34 __pthread_unwind_next F
GLIBC_2.34 pthread_kill F
GLIBC_2.34 pthread_mutex_consistent F
GLIBC_2.34 pthread_once F

1
sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
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@@ -145,7 +145,6 @@ GLIBC_2.3.3 __pthread_register_cancel F
GLIBC_2.3.3 __pthread_register_cancel_defer F
GLIBC_2.3.3 __pthread_unregister_cancel F
GLIBC_2.3.3 __pthread_unregister_cancel_restore F
GLIBC_2.3.3 __pthread_unwind_next F
GLIBC_2.3.3 pthread_attr_getaffinity_np F
GLIBC_2.3.3 pthread_attr_setstack F
GLIBC_2.3.3 pthread_attr_setstacksize F