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diff --git a/REORG.TODO/sysdeps/powerpc/nptl/tls.h b/REORG.TODO/sysdeps/powerpc/nptl/tls.h
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+/* Definition for thread-local data handling. NPTL/PowerPC version.
+ Copyright (C) 2003-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _TLS_H
+#define _TLS_H 1
+
+# include <dl-sysdep.h>
+
+#ifndef __ASSEMBLER__
+# include <stdbool.h>
+# include <stddef.h>
+# include <stdint.h>
+# include <dl-dtv.h>
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif /* __ASSEMBLER__ */
+
+
+#ifndef __ASSEMBLER__
+
+# include <hwcapinfo.h>
+
+/* Get system call information. */
+# include <sysdep.h>
+
+/* The TP points to the start of the thread blocks. */
+# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
+
+/* We use the multiple_threads field in the pthread struct */
+#define TLS_MULTIPLE_THREADS_IN_TCB 1
+
+/* Get the thread descriptor definition. */
+# include <nptl/descr.h>
+
+
+/* The stack_guard is accessed directly by GCC -fstack-protector code,
+ so it is a part of public ABI. The dtv and pointer_guard fields
+ are private. */
+typedef struct
+{
+ /* Reservation for HWCAP data. To be accessed by GCC in
+ __builtin_cpu_supports(), so it is a part of public ABI. */
+ uint64_t hwcap;
+ /* Reservation for AT_PLATFORM data. To be accessed by GCC in
+ __builtin_cpu_is(), so it is a part of public ABI. Since there
+ are different ABIs for 32 and 64 bit, we put this field in a
+ previously empty padding space for powerpc64. */
+#ifndef __powerpc64__
+ /* Padding to maintain alignment. */
+ uint32_t padding;
+ uint32_t at_platform;
+#endif
+ /* Indicate if HTM capable (ISA 2.07). */
+ uint32_t tm_capable;
+ /* Reservation for AT_PLATFORM data - powerpc64. */
+#ifdef __powerpc64__
+ uint32_t at_platform;
+#endif
+ /* Reservation for Dynamic System Optimizer ABI. */
+ uintptr_t dso_slot2;
+ uintptr_t dso_slot1;
+ /* Reservation for tar register (ISA 2.07). */
+ uintptr_t tar_save;
+ /* GCC split stack support. */
+ void *__private_ss;
+ /* Reservation for the Event-Based Branching ABI. */
+ uintptr_t ebb_handler;
+ uintptr_t ebb_ctx_pointer;
+ uintptr_t ebb_reserved1;
+ uintptr_t ebb_reserved2;
+ uintptr_t pointer_guard;
+ uintptr_t stack_guard;
+ dtv_t *dtv;
+} tcbhead_t;
+
+/* This is the size of the initial TCB. */
+# define TLS_INIT_TCB_SIZE 0
+
+/* Alignment requirements for the initial TCB. */
+# define TLS_INIT_TCB_ALIGN __alignof__ (struct pthread)
+
+/* This is the size of the TCB. */
+# define TLS_TCB_SIZE 0
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+
+/* This is the size we need before TCB. */
+# define TLS_PRE_TCB_SIZE \
+ (sizeof (struct pthread) \
+ + ((sizeof (tcbhead_t) + TLS_TCB_ALIGN - 1) & ~(TLS_TCB_ALIGN - 1)))
+
+# ifndef __powerpc64__
+/* Register r2 (tp) is reserved by the ABI as "thread pointer". */
+register void *__thread_register __asm__ ("r2");
+# define PT_THREAD_POINTER PT_R2
+# else
+/* Register r13 (tp) is reserved by the ABI as "thread pointer". */
+register void *__thread_register __asm__ ("r13");
+# define PT_THREAD_POINTER PT_R13
+# endif
+
+/* The following assumes that TP (R2 or R13) points to the end of the
+ TCB + 0x7000 (per the ABI). This implies that TCB address is
+ TP - 0x7000. As we define TLS_DTV_AT_TP we can
+ assume that the pthread struct is allocated immediately ahead of the
+ TCB. This implies that the pthread_descr address is
+ TP - (TLS_PRE_TCB_SIZE + 0x7000). */
+# define TLS_TCB_OFFSET 0x7000
+
+/* Install the dtv pointer. The pointer passed is to the element with
+ index -1 which contain the length. */
+# define INSTALL_DTV(tcbp, dtvp) \
+ ((tcbhead_t *) (tcbp))[-1].dtv = dtvp + 1
+
+/* Install new dtv for current thread. */
+# define INSTALL_NEW_DTV(dtv) (THREAD_DTV() = (dtv))
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(tcbp) (((tcbhead_t *) (tcbp))[-1].dtv)
+
+/* Code to initially initialize the thread pointer. This might need
+ special attention since 'errno' is not yet available and if the
+ operation can cause a failure 'errno' must not be touched. */
+# define TLS_INIT_TP(tcbp) \
+ ({ \
+ __thread_register = (void *) (tcbp) + TLS_TCB_OFFSET; \
+ THREAD_SET_TM_CAPABLE (__tcb_hwcap & PPC_FEATURE2_HAS_HTM ? 1 : 0); \
+ THREAD_SET_HWCAP (__tcb_hwcap); \
+ THREAD_SET_AT_PLATFORM (__tcb_platform); \
+ NULL; \
+ })
+
+/* Value passed to 'clone' for initialization of the thread register. */
+# define TLS_DEFINE_INIT_TP(tp, pd) \
+ void *tp = (void *) (pd) + TLS_TCB_OFFSET + TLS_PRE_TCB_SIZE; \
+ (((tcbhead_t *) ((char *) tp - TLS_TCB_OFFSET))[-1].tm_capable) = \
+ THREAD_GET_TM_CAPABLE (); \
+ (((tcbhead_t *) ((char *) tp - TLS_TCB_OFFSET))[-1].hwcap) = \
+ THREAD_GET_HWCAP (); \
+ (((tcbhead_t *) ((char *) tp - TLS_TCB_OFFSET))[-1].at_platform) = \
+ THREAD_GET_AT_PLATFORM ();
+
+/* Return the address of the dtv for the current thread. */
+# define THREAD_DTV() \
+ (((tcbhead_t *) (__thread_register - TLS_TCB_OFFSET))[-1].dtv)
+
+/* Return the thread descriptor for the current thread. */
+# define THREAD_SELF \
+ ((struct pthread *) (__thread_register \
+ - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
+
+/* Magic for libthread_db to know how to do THREAD_SELF. */
+# define DB_THREAD_SELF \
+ REGISTER (32, 32, PT_THREAD_POINTER * 4, \
+ - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE) \
+ REGISTER (64, 64, PT_THREAD_POINTER * 8, \
+ - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)
+
+/* Read member of the thread descriptor directly. */
+# define THREAD_GETMEM(descr, member) ((void)(descr), (THREAD_SELF)->member)
+
+/* Same as THREAD_GETMEM, but the member offset can be non-constant. */
+# define THREAD_GETMEM_NC(descr, member, idx) \
+ ((void)(descr), (THREAD_SELF)->member[idx])
+
+/* Set member of the thread descriptor directly. */
+# define THREAD_SETMEM(descr, member, value) \
+ ((void)(descr), (THREAD_SELF)->member = (value))
+
+/* Same as THREAD_SETMEM, but the member offset can be non-constant. */
+# define THREAD_SETMEM_NC(descr, member, idx, value) \
+ ((void)(descr), (THREAD_SELF)->member[idx] = (value))
+
+/* Set the stack guard field in TCB head. */
+# define THREAD_SET_STACK_GUARD(value) \
+ (((tcbhead_t *) ((char *) __thread_register \
+ - TLS_TCB_OFFSET))[-1].stack_guard = (value))
+# define THREAD_COPY_STACK_GUARD(descr) \
+ (((tcbhead_t *) ((char *) (descr) \
+ + TLS_PRE_TCB_SIZE))[-1].stack_guard \
+ = ((tcbhead_t *) ((char *) __thread_register \
+ - TLS_TCB_OFFSET))[-1].stack_guard)
+
+/* Set the stack guard field in TCB head. */
+# define THREAD_GET_POINTER_GUARD() \
+ (((tcbhead_t *) ((char *) __thread_register \
+ - TLS_TCB_OFFSET))[-1].pointer_guard)
+# define THREAD_SET_POINTER_GUARD(value) \
+ (THREAD_GET_POINTER_GUARD () = (value))
+# define THREAD_COPY_POINTER_GUARD(descr) \
+ (((tcbhead_t *) ((char *) (descr) \
+ + TLS_PRE_TCB_SIZE))[-1].pointer_guard \
+ = THREAD_GET_POINTER_GUARD())
+
+/* tm_capable field in TCB head. */
+# define THREAD_GET_TM_CAPABLE() \
+ (((tcbhead_t *) ((char *) __thread_register \
+ - TLS_TCB_OFFSET))[-1].tm_capable)
+# define THREAD_SET_TM_CAPABLE(value) \
+ (THREAD_GET_TM_CAPABLE () = (value))
+
+/* hwcap field in TCB head. */
+# define THREAD_GET_HWCAP() \
+ (((tcbhead_t *) ((char *) __thread_register \
+ - TLS_TCB_OFFSET))[-1].hwcap)
+# define THREAD_SET_HWCAP(value) \
+ (THREAD_GET_HWCAP () = (value))
+
+/* at_platform field in TCB head. */
+# define THREAD_GET_AT_PLATFORM() \
+ (((tcbhead_t *) ((char *) __thread_register \
+ - TLS_TCB_OFFSET))[-1].at_platform)
+# define THREAD_SET_AT_PLATFORM(value) \
+ (THREAD_GET_AT_PLATFORM () = (value))
+
+/* l_tls_offset == 0 is perfectly valid on PPC, so we have to use some
+ different value to mean unset l_tls_offset. */
+# define NO_TLS_OFFSET -1
+
+/* Get and set the global scope generation counter in struct pthread. */
+#define THREAD_GSCOPE_FLAG_UNUSED 0
+#define THREAD_GSCOPE_FLAG_USED 1
+#define THREAD_GSCOPE_FLAG_WAIT 2
+#define THREAD_GSCOPE_RESET_FLAG() \
+ do \
+ { int __res \
+ = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \
+ THREAD_GSCOPE_FLAG_UNUSED); \
+ if (__res == THREAD_GSCOPE_FLAG_WAIT) \
+ lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \
+ } \
+ while (0)
+#define THREAD_GSCOPE_SET_FLAG() \
+ do \
+ { \
+ THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \
+ atomic_write_barrier (); \
+ } \
+ while (0)
+#define THREAD_GSCOPE_WAIT() \
+ GL(dl_wait_lookup_done) ()
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* tls.h */