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-rw-r--r--linuxthreads/sysdeps/mips/tls.h170
1 files changed, 0 insertions, 170 deletions
diff --git a/linuxthreads/sysdeps/mips/tls.h b/linuxthreads/sysdeps/mips/tls.h
deleted file mode 100644
index be4478db43..0000000000
--- a/linuxthreads/sysdeps/mips/tls.h
+++ /dev/null
@@ -1,170 +0,0 @@
-/* Definitions for thread-local data handling.  linuxthreads/MIPS version.
-   Copyright (C) 2005 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, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef _TLS_H
-#define _TLS_H
-
-#ifndef __ASSEMBLER__
-
-# include <stdbool.h>
-# include <pt-machine.h>
-# include <stddef.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
-
-# define READ_THREAD_POINTER() \
-    ({ void *__result;							      \
-       asm volatile (".set\tpush\n\t.set\tmips32r2\n\t"			      \
-		     "rdhwr\t%0, $29\n\t.set\tpop" : "=v" (__result));	      \
-       __result; })
-
-#else /* __ASSEMBLER__ */
-# include <tcb-offsets.h>
-
-/* Note: rd must be $v1 to be ABI-conformant.  */
-# define READ_THREAD_POINTER(rd) \
-	.set	push;							      \
-	.set	mips32r2;						      \
-	rdhwr	rd, $29;						      \
-	.set	pop
-#endif /* __ASSEMBLER__ */
-
-/* LinuxThreads can only use TLS if both floating stacks (in the MIPS case,
-   that means support for "rdhwr") and support from the tools are available.
-
-   We have to define USE_TLS consistently, or ldsodefs.h will lay out types
-   differently between an NPTL build and a LinuxThreads build.  It can be set
-   for libc.so and not libpthread.so, but only if we provide appropriate padding
-   in the _pthread_descr_struct.
-
-   Currently nothing defines FLOATING_STACKS.  We could assume this based on
-   kernel version once the TLS patches are available in kernel.org, but
-   it hardly seems worth it.  Use NPTL if you can.
-
-   To avoid bothering with the TLS support code at all, use configure
-   --without-tls.  */
-
-#if defined HAVE_TLS_SUPPORT \
-    && (defined FLOATING_STACKS || !defined IS_IN_libpthread)
-
-/* Signal that TLS support is available.  */
-# define USE_TLS	1
-
-/* Include padding in _pthread_descr_struct so that libc can find p_errno,
-   if libpthread will only include the padding because of the !IS_IN_libpthread
-   check.  */
-#ifndef FLOATING_STACKS
-# define INCLUDE_TLS_PADDING	1
-#endif
-
-# ifndef __ASSEMBLER__
-
-/* This layout is actually wholly private and not affected by the ABI.
-   Nor does it overlap the pthread data structure, so we need nothing
-   extra here at all.  */
-typedef struct
-{
-  dtv_t *dtv;
-  void *private;
-} 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_descr_struct)
-
-/* This is the size of the TCB.  */
-#  define TLS_TCB_SIZE		0
-
-/* Alignment requirements for the TCB.  */
-#  define TLS_TCB_ALIGN		__alignof__ (struct _pthread_descr_struct)
-
-/* This is the size we need before TCB.  */
-#  define TLS_PRE_TCB_SIZE \
-  (sizeof (struct _pthread_descr_struct)				      \
-   + ((sizeof (tcbhead_t) + TLS_TCB_ALIGN - 1) & ~(TLS_TCB_ALIGN - 1)))
-
-/* The thread pointer (in hardware register $29) points to the end of
-   the TCB + 0x7000, as for PowerPC.  The pthread_descr structure is
-   immediately in front of the TCB.  */
-#define TLS_TCB_OFFSET		0x7000
-
-/* The DTV is allocated at the TP; the TCB is placed elsewhere.  */
-/* This is not really true for powerpc64.  We are following alpha
-   where the DTV pointer is first doubleword in the TCB.  */
-#  define TLS_DTV_AT_TP 1
-
-/* 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);					\
-     long result_var;							\
-     result_var = INTERNAL_SYSCALL (set_thread_area, err, 1,		\
-				    (char *) (tcbp) + TLS_TCB_OFFSET);	\
-     INTERNAL_SYSCALL_ERROR_P (result_var, err)				\
-       ? "unknown error" : NULL; })
-
-/* Return the address of the dtv for the current thread.  */
-# define THREAD_DTV() \
-  (((tcbhead_t *) (READ_THREAD_POINTER () - TLS_TCB_OFFSET))[-1].dtv)
-
-/* Return the thread descriptor for the current thread.  */
-#  undef THREAD_SELF
-#  define THREAD_SELF \
-    ((pthread_descr) (READ_THREAD_POINTER () \
-		      - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
-
-/* Get the thread descriptor definition.  */
-#  include <linuxthreads/descr.h>
-
-/* l_tls_offset == 0 is perfectly valid on MIPS, so we have to use some
-   different value to mean unset l_tls_offset.  */
-#  define NO_TLS_OFFSET	-1
-
-/* Initializing the thread pointer requires a syscall which may not be
-   available, so don't do it if we don't need to.  */
-#  define TLS_INIT_TP_EXPENSIVE 1
-
-# endif /* __ASSEMBLER__ */
-
-#endif /* HAVE_TLS_SUPPORT */
-
-#endif	/* tls.h */