[PATCH v4] Destructor support for C++11 thread_local variables

[Siddhesh Poyarekar]

My test run completed and I realized that I had got to sort order wrong
in the abilist files.  Here's the updated patch.


Siddhesh

On Tue, 30 Oct 2012 19:36:03 +0530, Siddhesh wrote:
> ChangeLog:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	* include/link.h (struct link_map): New member
> l_tls_dtor_count.
> 	* include/stdlib.h (__cxa_thread_atexit_impl): Declare.
> 	(__call_tls_dtors): Likewise.
> 	* sysdeps/unix/sysv/linux/i386/nptl/libc.abilist: Add
> 	__cxa_thread_atexit_impl.
> 	*
> sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/nptl/libc.abilist:
> Likewise.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/nptl/libc.abilist:
> 	Likewise.
> 	* sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist:
> 	Likewise.
> 	* sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist:
> 	Likewise.
> 	* sysdeps/unix/sysv/linux/sh/nptl/libc.abilist: Likewise.
> 	* sysdeps/unix/sysv/linux/sparc/sparc32/nptl/libc.abilist:
> 	Likewise.
> 	* sysdeps/unix/sysv/linux/sparc/sparc64/nptl/libc.abilist:
> 	Likewise.
> 	* sysdeps/unix/sysv/linux/x86_64/64/nptl/libc.abilist:
> Likewise.
> 	* sysdeps/unix/sysv/linux/x86_64/x32/nptl/libc.abilist:
> 	Likewise.
> 	* stdlib/Makefile (routines): Add __cxa_thread_atexit_impl.
> 	(tests): Add test case tst-tls-atexit.
> 	(modules-names): Add shared library for tst-tls-atexit.
> 	* stdlib/Versions (GLIBC_2.17): Add __cxa_thread_atexit_impl.
> 	(GLIBC_PRIVATE): Add __call_tls_dtors.
> 	* stdlib/cxa_thread_atexit_impl.c: New file with helper
> function for libstdc++.
> 	* stdlib/exit.c (__run_exit_handlers): Call __call_tls_dtors.
> 	* stdlib/tst-tls-atexit.c: New test case.
> 	* stdlib/tst-tls-atexit-lib.c: New test case.
> 
> 
> ChangeLog.alpha:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	* sysdeps/unix/sysv/linux/alpha/nptl/libc.abilist: Add
> 	__cxa_thread_atexit_impl.
> 
> 
> ChangeLog.arm:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	* sysdeps/unix/sysv/linux/arm/nptl/libc.abilist: Add
> 	__cxa_thread_atexit_impl.
> 
> 
> ChangeLog.ia64:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	* sysdeps/unix/sysv/linux/ia64/nptl/libc.abilist: Add
> 	__cxa_thread_atexit_impl.
> 
> 
> ChangeLog.m68k:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	* sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libc.abilist: Add
> 	__cxa_thread_atexit_impl.
> 	* sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libc.abilist:
> 	Likewise.
> 
> 
> ChangeLog.mips:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	* sysdeps/unix/sysv/linux/mips/mips32/nptl/libc.abilist: Add
> 	__cxa_thread_atexit_impl.
> 	* sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libc.abilist:
> 	Likewise.
> 	* sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libc.abilist:
> 	Likewise.
> 
> 
> ChangeLog.powerpc:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	*
> sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libc.abilist:
> Add __cxa_thread_atexit_impl.
> 	*
> sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libc.abilist:
> Likewise.
> 
> 
> ChangeLog.tile:
> 2012-10-30  Siddhesh Poyarekar  <siddhesh@redhat.com>
> 
> 	*
> sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libc.abilist: Add
> __cxa_thread_atexit_impl.
> 	* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libc.abilist:
> 	Likewise.
> 

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