nptl: Move __pthread_unwind_next into libc

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>

7 files changed, 8 insertions, 3 deletions

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index 4bfae8faa6..8bd6dd5b48 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2116,6 +2116,7 @@ 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 getcontext F
 GLIBC_2.3.3 gnu_dev_major F
@@ -2224,6 +2225,7 @@ 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_mutex_consistent F
 GLIBC_2.34 pthread_once F
 GLIBC_2.4 _IO_fprintf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
index 00bcf6a22b..d98fe23eba 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
@@ -175,7 +175,6 @@ 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_barrierattr_getpshared F
 GLIBC_2.3.3 pthread_condattr_getclock F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index dc102f7f29..6bf7342f4c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2149,6 +2149,7 @@ 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 getcontext F
 GLIBC_2.3.3 gnu_dev_major F
@@ -2257,6 +2258,7 @@ 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_mutex_consistent F
 GLIBC_2.34 pthread_once F
 GLIBC_2.4 _IO_fprintf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index 9f019c4eac..2d616e24cd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -1984,6 +1984,7 @@ 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
@@ -2087,6 +2088,7 @@ 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_mutex_consistent F
 GLIBC_2.34 pthread_once F
 GLIBC_2.4 _IO_fprintf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
index 9df36b1516..33fbf86103 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
@@ -164,7 +164,6 @@ 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_barrierattr_getpshared F
 GLIBC_2.3.3 pthread_condattr_getclock F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index f1217ffca5..247c8f77cf 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -426,6 +426,7 @@ GLIBC_2.17 __progname D 0x8
 GLIBC_2.17 __progname_full D 0x8
 GLIBC_2.17 __pthread_cleanup_routine F
 GLIBC_2.17 __pthread_once F
+GLIBC_2.17 __pthread_unwind_next F
 GLIBC_2.17 __ptsname_r_chk F
 GLIBC_2.17 __pwrite64 F
 GLIBC_2.17 __rawmemchr F
@@ -2378,5 +2379,6 @@ 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_mutex_consistent F
 GLIBC_2.34 pthread_once F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
index ab3f97c693..d5cc63bcf0 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
@@ -32,7 +32,6 @@ GLIBC_2.17 __pthread_rwlock_wrlock F
 GLIBC_2.17 __pthread_setspecific F
 GLIBC_2.17 __pthread_unregister_cancel F
 GLIBC_2.17 __pthread_unregister_cancel_restore F
-GLIBC_2.17 __pthread_unwind_next F
 GLIBC_2.17 __pwrite64 F
 GLIBC_2.17 __res_state F
 GLIBC_2.17 __send F