[PATCH 00/18] Repost of pending libpthread removal patches
Florian Weimer
fweimer@redhat.com
Fri Mar 12 17:48:49 GMT 2021
This series is a repost of:
<https://sourceware.org/pipermail/libc-alpha/2021-March/123202.html>
I've made some minor cleanups (removal of weak declarations of symbols
moved to libc from sysdeps/nptl/libc-lockP.h; this should help with
static linking of libpthread without crashes eventually). I had to move
pthread_once before __pthread_unwind_next because of its _Unwind_Resume
dependency. The patches after __pthread_unwind_next are new and remove
forwarder functionality, and also move pthread_exit.
As discussed on the GDB list, the nptl_db support for pthread_key_create
is unused by GDB, so I could not write a test for this.
Tested on i686-linux-gnu x86_64-linux-gnu. Built with
build-many-glibcs.py.
Thanks,
Florian
Florian Weimer (18):
nptl: Move pthread_mutex_consistent into libc
nptl: Move __pthread_cleanup_routine into libc
nptl: Move legacy unwinding implementation into libc
nptl: Move legacy cancelation handling into libc as compat symbols
nptl: Remove longjmp, siglongjmp from libpthread
Legacy unwinder: Remove definition of _Unwind_GetCFA
nptl: Move __pthread_cleanup_upto into libc
nptl: Move pthread_once and __pthread_once into libc
nptl: Move __pthread_unwind_next into libc
csu: Move calling main out of __libc_start_main_impl
nptl: Move internal __nptl_nthreads variable into libc
nptl_db: Introduce DB_MAIN_ARRAY_VARIABLE
nptl: Move __pthread_keys global variable into libc
nptl: Move __nptl_deallocate_tsd into libc
nptl: Move pthread_exit into libc
nptl: Move pthread_setcancelstate into libc
nptl: Move pthread_setcanceltype into libc
nptl: Invoke the set_robust_list system call directly in fork
NEWS | 4 +-
csu/libc-start.c | 74 +-----------
elf/Makefile | 2 +
include/setjmp.h | 4 +-
libio/iopopen.c | 5 +-
misc/error.c | 19 +--
nptl/Makefile | 48 +++++---
nptl/Versions | 48 +++++---
nptl/cleanup_compat.c | 16 ++-
nptl/cleanup_defer_compat.c | 72 +++--------
nptl/cleanup_routine.c | 12 +-
nptl/forward.c | 28 -----
nptl/libc-cleanup.c | 64 +++++++++-
nptl/libc_pthread_init.c | 9 +-
nptl/nptl-init.c | 34 +-----
nptl/nptl_deallocate_tsd.c | 112 ++++++++++++++++++
.../nptl_nthreads.c | 19 +--
nptl/pt-longjmp.c | 49 --------
nptl/pthreadP.h | 48 ++++----
nptl/pthread_cancel.c | 10 +-
nptl/{pt-cleanup.c => pthread_cleanup_upto.c} | 2 +-
nptl/pthread_create.c | 98 ---------------
nptl/pthread_exit.c | 16 ++-
nptl/pthread_keys.c | 24 ++++
nptl/pthread_mutex_consistent.c | 22 +++-
nptl/pthread_once.c | 22 +++-
nptl/pthread_setcancelstate.c | 6 +-
nptl/pthread_setcanceltype.c | 3 +-
nptl/tst-cleanup4.c | 5 +
nptl/tst-cleanup4aux.c | 5 +
nptl/tst-pthread_exit-nothreads-static.c | 19 +++
nptl/tst-pthread_exit-nothreads.c | 28 +++++
nptl/unwind.c | 14 ++-
nptl/vars.c | 5 -
nptl_db/db-symbols.awk | 1 +
nptl_db/structs.def | 9 +-
setjmp/Versions | 4 -
stdlib/fmtmsg.c | 9 +-
sysdeps/arm/Makefile | 5 -
sysdeps/arm/nptl/unwind-forcedunwind.c | 25 ----
sysdeps/generic/libc_start_call_main.h | 24 ++++
sysdeps/generic/unwind-dw2.c | 8 --
sysdeps/generic/unwind-resume.c | 14 +++
.../unwind-resume.c} | 5 +-
sysdeps/nptl/fork.c | 14 +--
sysdeps/nptl/fork.h | 3 -
sysdeps/nptl/jmp-unwind.c | 8 +-
sysdeps/nptl/libc-lock.h | 59 ++++-----
sysdeps/nptl/libc-lockP.h | 45 +------
sysdeps/nptl/libc_start_call_main.h | 74 ++++++++++++
sysdeps/nptl/pthread-functions.h | 15 ---
sysdeps/nptl/pthread.h | 5 +-
sysdeps/nptl/unwind-forcedunwind.c | 64 ----------
sysdeps/posix/system.c | 5 +-
sysdeps/pthread/Makefile | 2 +-
sysdeps/pthread/tst-robust1.c | 4 +-
sysdeps/pthread/tst-robust8.c | 2 +-
sysdeps/pthread/tst-robust9.c | 4 +-
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 15 +++
.../sysv/linux/aarch64/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/alpha/libc.abilist | 15 +++
.../unix/sysv/linux/alpha/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/arc/libc.abilist | 15 +++
.../unix/sysv/linux/arc/libpthread.abilist | 13 --
sysdeps/unix/sysv/linux/arm/be/libc.abilist | 15 +++
.../unix/sysv/linux/arm/be/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/arm/le/libc.abilist | 15 +++
.../unix/sysv/linux/arm/le/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/csky/libc.abilist | 15 +++
.../unix/sysv/linux/csky/libpthread.abilist | 13 --
sysdeps/unix/sysv/linux/fatal-prepare.h | 4 +-
sysdeps/unix/sysv/linux/hppa/libc.abilist | 15 +++
.../unix/sysv/linux/hppa/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/i386/libc.abilist | 15 +++
.../unix/sysv/linux/i386/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/ia64/Makefile | 2 +-
sysdeps/unix/sysv/linux/ia64/libc.abilist | 15 +++
.../unix/sysv/linux/ia64/libpthread.abilist | 15 ---
.../sysv/linux/m68k/coldfire/libc.abilist | 15 +++
.../linux/m68k/coldfire/libpthread.abilist | 15 ---
.../unix/sysv/linux/m68k/m680x0/libc.abilist | 15 +++
.../sysv/linux/m68k/m680x0/libpthread.abilist | 15 ---
.../sysv/linux/microblaze/be/libc.abilist | 15 +++
.../linux/microblaze/be/libpthread.abilist | 15 ---
.../sysv/linux/microblaze/le/libc.abilist | 15 +++
.../linux/microblaze/le/libpthread.abilist | 15 ---
.../sysv/linux/mips/mips32/fpu/libc.abilist | 15 +++
.../sysv/linux/mips/mips32/libpthread.abilist | 15 ---
.../sysv/linux/mips/mips32/nofpu/libc.abilist | 15 +++
.../sysv/linux/mips/mips64/libpthread.abilist | 15 ---
.../sysv/linux/mips/mips64/n32/libc.abilist | 15 +++
.../sysv/linux/mips/mips64/n64/libc.abilist | 15 +++
sysdeps/unix/sysv/linux/nios2/libc.abilist | 15 +++
.../unix/sysv/linux/nios2/libpthread.abilist | 15 ---
.../linux/powerpc/powerpc32/fpu/libc.abilist | 15 +++
.../powerpc/powerpc32/libpthread.abilist | 17 ---
.../powerpc/powerpc32/nofpu/libc.abilist | 15 +++
.../linux/powerpc/powerpc64/be/libc.abilist | 15 +++
.../powerpc/powerpc64/be/libpthread.abilist | 17 ---
.../linux/powerpc/powerpc64/le/libc.abilist | 15 +++
.../powerpc/powerpc64/le/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/powerpc/pt-longjmp.c | 61 ----------
.../unix/sysv/linux/riscv/rv32/libc.abilist | 15 +++
.../sysv/linux/riscv/rv32/libpthread.abilist | 13 --
.../unix/sysv/linux/riscv/rv64/libc.abilist | 15 +++
.../sysv/linux/riscv/rv64/libpthread.abilist | 13 --
sysdeps/unix/sysv/linux/s390/Versions | 2 +-
sysdeps/unix/sysv/linux/s390/jmp-unwind.c | 7 +-
.../unix/sysv/linux/s390/libpthread-compat.c | 25 ++++
sysdeps/unix/sysv/linux/s390/pt-longjmp.c | 33 ------
.../unix/sysv/linux/s390/s390-32/libc.abilist | 15 +++
.../linux/s390/s390-32/libpthread.abilist | 18 +--
.../unix/sysv/linux/s390/s390-64/libc.abilist | 15 +++
.../linux/s390/s390-64/libpthread.abilist | 18 +--
sysdeps/unix/sysv/linux/sh/be/libc.abilist | 15 +++
.../unix/sysv/linux/sh/be/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/sh/le/libc.abilist | 15 +++
.../unix/sysv/linux/sh/le/libpthread.abilist | 15 ---
.../sysv/linux/sparc/sparc32/libc.abilist | 15 +++
.../linux/sparc/sparc32/libpthread.abilist | 15 ---
.../sysv/linux/sparc/sparc64/libc.abilist | 15 +++
.../linux/sparc/sparc64/libpthread.abilist | 15 ---
sysdeps/unix/sysv/linux/spawni.c | 5 +-
.../unix/sysv/linux/x86_64/64/libc.abilist | 15 +++
.../sysv/linux/x86_64/64/libpthread.abilist | 15 ---
.../unix/sysv/linux/x86_64/x32/libc.abilist | 15 +++
.../sysv/linux/x86_64/x32/libpthread.abilist | 15 ---
sysdeps/x86/nptl/pt-longjmp.c | 71 -----------
128 files changed, 1169 insertions(+), 1312 deletions(-)
create mode 100644 nptl/nptl_deallocate_tsd.c
rename sysdeps/arm/pt-arm-unwind-resume.S => nptl/nptl_nthreads.c (51%)
delete mode 100644 nptl/pt-longjmp.c
rename nptl/{pt-cleanup.c => pthread_cleanup_upto.c} (98%)
create mode 100644 nptl/pthread_keys.c
create mode 100644 nptl/tst-pthread_exit-nothreads-static.c
create mode 100644 nptl/tst-pthread_exit-nothreads.c
delete mode 100644 sysdeps/arm/nptl/unwind-forcedunwind.c
create mode 100644 sysdeps/generic/libc_start_call_main.h
rename sysdeps/{unix/sysv/linux/ia64/unwind-forcedunwind.c => ia64/unwind-resume.c} (87%)
create mode 100644 sysdeps/nptl/libc_start_call_main.h
delete mode 100644 sysdeps/nptl/unwind-forcedunwind.c
delete mode 100644 sysdeps/unix/sysv/linux/powerpc/pt-longjmp.c
create mode 100644 sysdeps/unix/sysv/linux/s390/libpthread-compat.c
delete mode 100644 sysdeps/unix/sysv/linux/s390/pt-longjmp.c
delete mode 100644 sysdeps/x86/nptl/pt-longjmp.c
--
2.29.2
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