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[PATCH v2 3/4] Nios II port submission, Linux specific parts

Linux specific parts, updated after Joseph's review.


(1) The pthread_once file is removed, to use the current generic one.

(2) bits/atomic.h was first re-written to use __atomic_* builtins
instead of legacy __sync_* builtins, but after some examination, found
that best way (at least in terms of code size) is to simply use inline
asm implementation.

        * sysdeps/unix/sysv/linux/nios2/Implies: New file.
        * sysdeps/unix/sysv/linux/nios2/Makefile: New file.
        * sysdeps/unix/sysv/linux/nios2/Versions: New file.
        * sysdeps/unix/sysv/linux/nios2/cacheflush.c: New file.
        * sysdeps/unix/sysv/linux/nios2/clone.S: New file.
        * sysdeps/unix/sysv/linux/nios2/configure: New file.
        * sysdeps/unix/sysv/linux/nios2/ New file.
        * sysdeps/unix/sysv/linux/nios2/getcontext.S: New file.
        * sysdeps/unix/sysv/linux/nios2/makecontext.c: New file.
        * sysdeps/unix/sysv/linux/nios2/setcontext.S: New file.
        * sysdeps/unix/sysv/linux/nios2/swapcontext.S: New file.
        * sysdeps/unix/sysv/linux/nios2/profil-counter.h: New file.
        * sysdeps/unix/sysv/linux/nios2/sigcontextinfo.h: New file.
        * sysdeps/unix/sysv/linux/nios2/kernel-features.h: New file.
        * sysdeps/unix/sysv/linux/nios2/kernel_rt_sigframe.h: New file.
        * sysdeps/unix/sysv/linux/nios2/syscall.S: New file.
        * sysdeps/unix/sysv/linux/nios2/sysdep.S: New file.
        * sysdeps/unix/sysv/linux/nios2/sysdep.h: New file.
        * sysdeps/unix/sysv/linux/nios2/ucontext_i.sym: New file.
        * sysdeps/unix/sysv/linux/nios2/bits/atomic.h: New file.
        * sysdeps/unix/sysv/linux/nios2/bits/mman.h: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/bits/pthreadtypes.h: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/bits/semaphore.h: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/clone.S: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/createthread.c: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/fork.c: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/lowlevellock.h: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/pt-vfork.S: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/sysdep-cancel.h: New file.
        * sysdeps/unix/sysv/linux/nios2/nptl/vfork.S: New file.
        * sysdeps/unix/sysv/linux/nios2/sys/cachectl.h: New file.
        * sysdeps/unix/sysv/linux/nios2/sys/procfs.h: New file.
        * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h: New file.
        * sysdeps/unix/sysv/linux/nios2/sys/user.h: New file.

Attachment: 03-sysdeps-unix-sysv-linux-nios2.patch
Description: Text document

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