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From: Florian Weimer <fweimer@redhat.com>
To: libc-alpha@sourceware.org
Subject: [PATCH 0/4] nptl: Move spinlock symbols into libc
Date: Fri, 23 Apr 2021 14:01:26 +0200	[thread overview]
Message-ID: <cover.1619175406.git.fweimer@redhat.com> (raw)

This is slightly more complicated than usual because there are many C
and assembler implementations of the spinlock functions.

Full consolidation in a single C implementation is not possible because
the algorithm is subtly different, and PTHREAD_SPINLOCK_INITIALIZER
varies.  I did not try to simplify this, but instead patched all the
different implementations.

Tested on i686-linux-gnu, powerpc64le-linux-gnu, x86_64-linux-gnu.
Built with build-many-glibcs.py, both with defaults and with binutils
2.33 and GCC 9.

Florian Weimer (4):
  nptl: Move pthread_spin_destroy into libc
  nptl: Move pthread_spin_init, Move pthread_spin_unlock  into libc
  nptl: Move pthread_spin_lock into libc
  nptl: Move pthread_spin_trylock into libc

 nptl/Makefile                                 | 10 ++++-----
 nptl/Versions                                 | 15 ++++++++-----
 nptl/pthread_spin_destroy.c                   | 11 ++++++++--
 nptl/pthread_spin_init.c                      |  8 ++++++-
 nptl/pthread_spin_lock.c                      |  8 ++++++-
 nptl/pthread_spin_trylock.c                   | 10 ++++++++-
 nptl/pthread_spin_unlock.c                    | 10 ++++++++-
 sysdeps/alpha/nptl/pthread_spin_lock.S        | 14 +++++++++----
 sysdeps/alpha/nptl/pthread_spin_trylock.S     | 16 ++++++++++----
 sysdeps/hppa/nptl/pthread_spin_init.c         | 10 ++++++++-
 sysdeps/hppa/nptl/pthread_spin_unlock.c       | 10 ++++++++-
 sysdeps/i386/nptl/pthread_spin_lock.S         | 10 +++++++--
 sysdeps/i386/nptl/pthread_spin_unlock.S       | 16 +++++++++-----
 sysdeps/i386/pthread_spin_trylock.S           | 13 +++++++++---
 sysdeps/ia64/nptl/pthread_spin_lock.c         | 10 ++++++++-
 sysdeps/ia64/nptl/pthread_spin_trylock.c      | 10 ++++++++-
 sysdeps/ia64/nptl/pthread_spin_unlock.c       | 11 ++++++++--
 sysdeps/powerpc/nptl/pthread_spin_lock.c      |  8 ++++++-
 sysdeps/powerpc/nptl/pthread_spin_trylock.c   | 10 ++++++++-
 sysdeps/powerpc/nptl/pthread_spin_unlock.c    | 10 ++++++++-
 sysdeps/sh/nptl/pthread_spin_lock.c           |  8 ++++++-
 sysdeps/sh/nptl/pthread_spin_trylock.S        | 16 ++++++++++----
 sysdeps/sh/nptl/pthread_spin_unlock.S         | 21 ++++++++++++-------
 sysdeps/sparc/sparc32/pthread_spin_lock.S     | 10 +++++++--
 sysdeps/sparc/sparc32/pthread_spin_trylock.S  | 12 +++++++++--
 sysdeps/sparc/sparc64/pthread_spin_lock.S     | 10 +++++++--
 sysdeps/sparc/sparc64/pthread_spin_trylock.S  | 12 +++++++++--
 sysdeps/sparc/sparc64/pthread_spin_unlock.S   | 14 ++++++++++---
 sysdeps/unix/sysv/linux/aarch64/libc.abilist  | 10 +++++++++
 .../sysv/linux/aarch64/libpthread.abilist     |  5 -----
 sysdeps/unix/sysv/linux/alpha/libc.abilist    | 10 +++++++++
 .../unix/sysv/linux/alpha/libpthread.abilist  |  5 -----
 sysdeps/unix/sysv/linux/arc/libc.abilist      | 10 +++++++++
 .../unix/sysv/linux/arc/libpthread.abilist    |  5 -----
 sysdeps/unix/sysv/linux/arm/be/libc.abilist   | 10 +++++++++
 .../unix/sysv/linux/arm/be/libpthread.abilist |  5 -----
 sysdeps/unix/sysv/linux/arm/le/libc.abilist   | 10 +++++++++
 .../unix/sysv/linux/arm/le/libpthread.abilist |  5 -----
 sysdeps/unix/sysv/linux/csky/libc.abilist     | 10 +++++++++
 .../unix/sysv/linux/csky/libpthread.abilist   |  5 -----
 sysdeps/unix/sysv/linux/hppa/libc.abilist     | 10 +++++++++
 .../unix/sysv/linux/hppa/libpthread.abilist   |  5 -----
 sysdeps/unix/sysv/linux/i386/libc.abilist     | 10 +++++++++
 .../unix/sysv/linux/i386/libpthread.abilist   |  5 -----
 sysdeps/unix/sysv/linux/ia64/libc.abilist     | 10 +++++++++
 .../unix/sysv/linux/ia64/libpthread.abilist   |  5 -----
 .../sysv/linux/m68k/coldfire/libc.abilist     | 10 +++++++++
 .../linux/m68k/coldfire/libpthread.abilist    |  5 -----
 .../unix/sysv/linux/m68k/m680x0/libc.abilist  | 10 +++++++++
 .../sysv/linux/m68k/m680x0/libpthread.abilist |  5 -----
 .../sysv/linux/microblaze/be/libc.abilist     | 10 +++++++++
 .../linux/microblaze/be/libpthread.abilist    |  5 -----
 .../sysv/linux/microblaze/le/libc.abilist     | 10 +++++++++
 .../linux/microblaze/le/libpthread.abilist    |  5 -----
 .../sysv/linux/mips/mips32/fpu/libc.abilist   | 10 +++++++++
 .../sysv/linux/mips/mips32/libpthread.abilist |  5 -----
 .../sysv/linux/mips/mips32/nofpu/libc.abilist | 10 +++++++++
 .../sysv/linux/mips/mips64/libpthread.abilist |  5 -----
 .../sysv/linux/mips/mips64/n32/libc.abilist   | 10 +++++++++
 .../sysv/linux/mips/mips64/n64/libc.abilist   | 10 +++++++++
 sysdeps/unix/sysv/linux/nios2/libc.abilist    | 10 +++++++++
 .../unix/sysv/linux/nios2/libpthread.abilist  |  5 -----
 .../linux/powerpc/powerpc32/fpu/libc.abilist  | 10 +++++++++
 .../powerpc/powerpc32/libpthread.abilist      |  5 -----
 .../powerpc/powerpc32/nofpu/libc.abilist      | 10 +++++++++
 .../linux/powerpc/powerpc64/be/libc.abilist   | 10 +++++++++
 .../powerpc/powerpc64/be/libpthread.abilist   |  5 -----
 .../linux/powerpc/powerpc64/le/libc.abilist   | 10 +++++++++
 .../powerpc/powerpc64/le/libpthread.abilist   |  5 -----
 .../unix/sysv/linux/riscv/rv32/libc.abilist   | 10 +++++++++
 .../sysv/linux/riscv/rv32/libpthread.abilist  |  5 -----
 .../unix/sysv/linux/riscv/rv64/libc.abilist   | 10 +++++++++
 .../sysv/linux/riscv/rv64/libpthread.abilist  |  5 -----
 .../unix/sysv/linux/s390/s390-32/libc.abilist | 10 +++++++++
 .../linux/s390/s390-32/libpthread.abilist     |  5 -----
 .../unix/sysv/linux/s390/s390-64/libc.abilist | 10 +++++++++
 .../linux/s390/s390-64/libpthread.abilist     |  5 -----
 sysdeps/unix/sysv/linux/sh/be/libc.abilist    | 10 +++++++++
 .../unix/sysv/linux/sh/be/libpthread.abilist  |  5 -----
 sysdeps/unix/sysv/linux/sh/le/libc.abilist    | 10 +++++++++
 .../unix/sysv/linux/sh/le/libpthread.abilist  |  5 -----
 .../sysv/linux/sparc/sparc32/libc.abilist     | 10 +++++++++
 .../linux/sparc/sparc32/libpthread.abilist    |  5 -----
 .../sysv/linux/sparc/sparc64/libc.abilist     | 10 +++++++++
 .../linux/sparc/sparc64/libpthread.abilist    |  5 -----
 .../unix/sysv/linux/x86_64/64/libc.abilist    | 10 +++++++++
 .../sysv/linux/x86_64/64/libpthread.abilist   |  5 -----
 .../unix/sysv/linux/x86_64/x32/libc.abilist   | 10 +++++++++
 .../sysv/linux/x86_64/x32/libpthread.abilist  |  5 -----
 sysdeps/x86_64/nptl/pthread_spin_lock.S       | 10 +++++++--
 sysdeps/x86_64/nptl/pthread_spin_trylock.S    | 13 +++++++++---
 sysdeps/x86_64/nptl/pthread_spin_unlock.S     | 16 +++++++++-----
 92 files changed, 606 insertions(+), 221 deletions(-)

-- 
2.30.2


             reply	other threads:[~2021-04-23 12:01 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-23 12:01 Florian Weimer [this message]
2021-04-23 12:01 ` [PATCH 1/4] nptl: Move pthread_spin_destroy " Florian Weimer
2021-04-23 12:01 ` [PATCH 2/4] nptl: Move pthread_spin_init, Move pthread_spin_unlock " Florian Weimer
2021-04-23 12:03 ` [PATCH 3/4] nptl: Move pthread_spin_lock " Florian Weimer
2021-04-23 12:03 ` [PATCH 4/4] nptl: Move pthread_spin_trylock " Florian Weimer
2021-04-23 14:36 ` [PATCH 0/4] nptl: Move spinlock symbols " H.J. Lu

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