Move m68k from ports to libc

1 files changed, 0 insertions, 167 deletions

diff --git a/ports/sysdeps/m68k/nptl/tls.h b/ports/sysdeps/m68k/nptl/tls.h
deleted file mode 100644
index 5de079b9d4..0000000000
--- a/ports/sysdeps/m68k/nptl/tls.h
+++ /dev/null
@@ -1,167 +0,0 @@
-/* Definition for thread-local data handling.  NPTL/m68k version.
-   Copyright (C) 2010-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
-
-   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>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
-
-#else /* __ASSEMBLER__ */
-# include <tcb-offsets.h>
-#endif /* __ASSEMBLER__ */
-
-#ifndef __ASSEMBLER__
-
-/* Get system call information.  */
-# include <sysdep.h>
-
-/* The TP points to the start of the thread blocks.  */
-# define TLS_DTV_AT_TP	1
-
-/* Get the thread descriptor definition.  */
-# include <nptl/descr.h>
-
-typedef struct
-{
-  dtv_t *dtv;
-  void *private;
-} tcbhead_t;
-
-/* This is the size of the initial TCB.  Because our TCB is before the thread
-   pointer, we don't need this.  */
-# 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.  Because our TCB is before the thread
-   pointer, we don't need this.  */
-# 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 - actually, it includes the TCB.  */
-# define TLS_PRE_TCB_SIZE						\
-  (sizeof (struct pthread)						\
-   + ((sizeof (tcbhead_t) + TLS_TCB_ALIGN - 1) & ~(TLS_TCB_ALIGN - 1)))
-
-/* The thread pointer (TP) points to the end of the
-   TCB + 0x7000, as for PowerPC and MIPS.  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, secondcall)					\
-  ({									\
-    INTERNAL_SYSCALL_DECL (err);					\
-    int _sys_result;							\
-									\
-    _sys_result = INTERNAL_SYSCALL (set_thread_area, err, 1,		\
-				    ((void *) (tcbp)) + TLS_TCB_OFFSET); \
-    INTERNAL_SYSCALL_ERROR_P (_sys_result, err) ? "unknown error" : NULL; })
-
-extern void * __m68k_read_tp (void);
-
-/* Return the address of the dtv for the current thread.  */
-# define THREAD_DTV() \
-  (((tcbhead_t *) (__m68k_read_tp () - TLS_TCB_OFFSET))[-1].dtv)
-
-/* Return the thread descriptor for the current thread.  */
-# define THREAD_SELF \
-  ((struct pthread *) (__m68k_read_tp () - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
-
-/* Magic for libthread_db to know how to do THREAD_SELF.  */
-# define DB_THREAD_SELF \
-  CONST_THREAD_AREA (32, TLS_TCB_OFFSET + TLS_PRE_TCB_SIZE)
-
-/* Access to data in the thread descriptor is easy.  */
-# define THREAD_GETMEM(descr, member) \
-  descr->member
-# define THREAD_GETMEM_NC(descr, member, idx) \
-  descr->member[idx]
-# define THREAD_SETMEM(descr, member, value) \
-  descr->member = (value)
-# define THREAD_SETMEM_NC(descr, member, idx, value) \
-  descr->member[idx] = (value)
-
-/* l_tls_offset == 0 is perfectly valid on M68K, 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 */