nptl: Move system to libc

The libc version is identical and built with same flags.

Checked on x86_64-linux-gnu.

nptl/Makefile

@@ -114,7 +114,6 @@ libpthread-routines = \
   pt-interp \
   pt-longjmp \
   pt-raise \
-  pt-system \
   pthread_attr_getaffinity \
   pthread_attr_getguardsize \
   pthread_attr_getstack \
@@ -296,8 +295,6 @@ CFLAGS-send.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-sigsuspend.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-fdatasync.c += -fexceptions -fasynchronous-unwind-tables
 
-CFLAGS-pt-system.c += -fexceptions
-
 CFLAGS-futex-internal.c += -fexceptions -fasynchronous-unwind-tables
 
 LDLIBS-tst-once5 = -lstdc++

nptl/Versions

@@ -173,7 +173,6 @@ libpthread {
     send;
     sigaction;
     siglongjmp;
-    system;
   }
 
   GLIBC_2.1 {

nptl/pt-system.c

@@ -1,45 +0,0 @@
-/* ABI compatibility for 'system' symbol in libpthread ABI.
-   Copyright (C) 2002-2021 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <stdlib.h>
-#include <shlib-compat.h>
-
-/* libpthread once had its own 'system', though there was no apparent
-   reason for it.  There is no use in having a separate symbol in
-   libpthread, but the historical ABI requires it.  For static linking,
-   there is no need to provide anything here--the libc version will be
-   linked in.  For shared library ABI compatibility, there must be a
-   'system' symbol in libpthread.so.
-
-   With an IFUNC resolver, it would be possible to avoid the indirection,
-   but the IFUNC resolver might run before the __libc_system symbol has
-   been relocated, in which case the IFUNC resolver would not be able to
-   provide the correct address.  */
-
-#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_22)
-
-static int __attribute__ ((used))
-system_compat (const char *line)
-{
-  return __libc_system (line);
-}
-strong_alias (system_compat, system_alias)
-compat_symbol (libpthread, system_alias, system, GLIBC_2_0);
-
-#endif

sysdeps/unix/sysv/linux/aarch64/libpthread.abilist

@@ -165,7 +165,6 @@ GLIBC_2.17 sem_wait F
 GLIBC_2.17 send F
 GLIBC_2.17 sigaction F
 GLIBC_2.17 siglongjmp F
-GLIBC_2.17 system F
 GLIBC_2.18 pthread_getattr_default_np F
 GLIBC_2.18 pthread_setattr_default_np F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/alpha/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.1 __libc_allocate_rtsig F
 GLIBC_2.1 __libc_current_sigrtmax F
 GLIBC_2.1 __libc_current_sigrtmin F

sysdeps/unix/sysv/linux/arm/be/libpthread.abilist

@@ -194,4 +194,3 @@ GLIBC_2.4 sem_wait F
 GLIBC_2.4 send F
 GLIBC_2.4 sigaction F
 GLIBC_2.4 siglongjmp F
-GLIBC_2.4 system F

sysdeps/unix/sysv/linux/arm/le/libpthread.abilist

@@ -194,4 +194,3 @@ GLIBC_2.4 sem_wait F
 GLIBC_2.4 send F
 GLIBC_2.4 sigaction F
 GLIBC_2.4 siglongjmp F
-GLIBC_2.4 system F

sysdeps/unix/sysv/linux/hppa/libpthread.abilist

@@ -145,7 +145,6 @@ GLIBC_2.2 sem_wait F
 GLIBC_2.2 send F
 GLIBC_2.2 sigaction F
 GLIBC_2.2 siglongjmp F
-GLIBC_2.2 system F
 GLIBC_2.2.3 __libpthread_version_placeholder F
 GLIBC_2.2.6 __libpthread_version_placeholder F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/i386/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.1 __libc_allocate_rtsig F
 GLIBC_2.1 __libc_current_sigrtmax F
 GLIBC_2.1 __libc_current_sigrtmin F

sysdeps/unix/sysv/linux/ia64/libpthread.abilist

@@ -145,7 +145,6 @@ GLIBC_2.2 sem_wait F
 GLIBC_2.2 send F
 GLIBC_2.2 sigaction F
 GLIBC_2.2 siglongjmp F
-GLIBC_2.2 system F
 GLIBC_2.2.3 __libpthread_version_placeholder F
 GLIBC_2.2.6 __libpthread_version_placeholder F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist

@@ -194,4 +194,3 @@ GLIBC_2.4 sem_wait F
 GLIBC_2.4 send F
 GLIBC_2.4 sigaction F
 GLIBC_2.4 siglongjmp F
-GLIBC_2.4 system F

sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.1 __libc_allocate_rtsig F
 GLIBC_2.1 __libc_current_sigrtmax F
 GLIBC_2.1 __libc_current_sigrtmin F

sysdeps/unix/sysv/linux/microblaze/be/libpthread.abilist

@@ -167,7 +167,6 @@ GLIBC_2.18 sem_wait F
 GLIBC_2.18 send F
 GLIBC_2.18 sigaction F
 GLIBC_2.18 siglongjmp F
-GLIBC_2.18 system F
 GLIBC_2.28 call_once F
 GLIBC_2.28 cnd_broadcast F
 GLIBC_2.28 cnd_destroy F

sysdeps/unix/sysv/linux/microblaze/le/libpthread.abilist

@@ -167,7 +167,6 @@ GLIBC_2.18 sem_wait F
 GLIBC_2.18 send F
 GLIBC_2.18 sigaction F
 GLIBC_2.18 siglongjmp F
-GLIBC_2.18 system F
 GLIBC_2.28 call_once F
 GLIBC_2.28 cnd_broadcast F
 GLIBC_2.28 cnd_destroy F

sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.11 pthread_sigqueue F
 GLIBC_2.12 pthread_getname_np F
 GLIBC_2.12 pthread_mutex_consistent F

sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.11 pthread_sigqueue F
 GLIBC_2.12 pthread_getname_np F
 GLIBC_2.12 pthread_mutex_consistent F

sysdeps/unix/sysv/linux/nios2/libpthread.abilist

@@ -167,7 +167,6 @@ GLIBC_2.21 sem_wait F
 GLIBC_2.21 send F
 GLIBC_2.21 sigaction F
 GLIBC_2.21 siglongjmp F
-GLIBC_2.21 system F
 GLIBC_2.28 call_once F
 GLIBC_2.28 cnd_broadcast F
 GLIBC_2.28 cnd_destroy F

sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.1 __libc_allocate_rtsig F
 GLIBC_2.1 __libc_current_sigrtmax F
 GLIBC_2.1 __libc_current_sigrtmin F

sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist

@@ -165,7 +165,6 @@ GLIBC_2.3 sem_wait F
 GLIBC_2.3 send F
 GLIBC_2.3 sigaction F
 GLIBC_2.3 siglongjmp F
-GLIBC_2.3 system F
 GLIBC_2.3.2 pthread_cond_broadcast F
 GLIBC_2.3.2 pthread_cond_signal F
 GLIBC_2.3.2 pthread_cond_timedwait F

sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist

@@ -165,7 +165,6 @@ GLIBC_2.17 sem_wait F
 GLIBC_2.17 send F
 GLIBC_2.17 sigaction F
 GLIBC_2.17 siglongjmp F
-GLIBC_2.17 system F
 GLIBC_2.18 pthread_getattr_default_np F
 GLIBC_2.18 pthread_setattr_default_np F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.1 __libc_allocate_rtsig F
 GLIBC_2.1 __libc_current_sigrtmax F
 GLIBC_2.1 __libc_current_sigrtmin F

sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist

@@ -147,7 +147,6 @@ GLIBC_2.2 sem_wait F
 GLIBC_2.2 send F
 GLIBC_2.2 sigaction F
 GLIBC_2.2 siglongjmp F
-GLIBC_2.2 system F
 GLIBC_2.2.3 __libpthread_version_placeholder F
 GLIBC_2.2.6 __libpthread_version_placeholder F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/sh/be/libpthread.abilist

@@ -145,7 +145,6 @@ GLIBC_2.2 sem_wait F
 GLIBC_2.2 send F
 GLIBC_2.2 sigaction F
 GLIBC_2.2 siglongjmp F
-GLIBC_2.2 system F
 GLIBC_2.2.3 __libpthread_version_placeholder F
 GLIBC_2.2.6 __libpthread_version_placeholder F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/sh/le/libpthread.abilist

@@ -145,7 +145,6 @@ GLIBC_2.2 sem_wait F
 GLIBC_2.2 send F
 GLIBC_2.2 sigaction F
 GLIBC_2.2 siglongjmp F
-GLIBC_2.2 system F
 GLIBC_2.2.3 __libpthread_version_placeholder F
 GLIBC_2.2.6 __libpthread_version_placeholder F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist

@@ -68,7 +68,6 @@ GLIBC_2.0 sem_wait F
 GLIBC_2.0 send F
 GLIBC_2.0 sigaction F
 GLIBC_2.0 siglongjmp F
-GLIBC_2.0 system F
 GLIBC_2.1 __libc_allocate_rtsig F
 GLIBC_2.1 __libc_current_sigrtmax F
 GLIBC_2.1 __libc_current_sigrtmin F

sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist

@@ -145,7 +145,6 @@ GLIBC_2.2 sem_wait F
 GLIBC_2.2 send F
 GLIBC_2.2 sigaction F
 GLIBC_2.2 siglongjmp F
-GLIBC_2.2 system F
 GLIBC_2.2.3 __libpthread_version_placeholder F
 GLIBC_2.2.6 __libpthread_version_placeholder F
 GLIBC_2.28 call_once F

sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist

@@ -145,7 +145,6 @@ GLIBC_2.2.5 sem_wait F
 GLIBC_2.2.5 send F
 GLIBC_2.2.5 sigaction F
 GLIBC_2.2.5 siglongjmp F
-GLIBC_2.2.5 system F
 GLIBC_2.2.6 __libpthread_version_placeholder F
 GLIBC_2.28 call_once F
 GLIBC_2.28 cnd_broadcast F

sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist

@@ -165,7 +165,6 @@ GLIBC_2.16 sem_wait F
 GLIBC_2.16 send F
 GLIBC_2.16 sigaction F
 GLIBC_2.16 siglongjmp F
-GLIBC_2.16 system F
 GLIBC_2.18 pthread_getattr_default_np F
 GLIBC_2.18 pthread_setattr_default_np F
 GLIBC_2.28 call_once F