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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /linuxthreads/sysdeps/sh
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'linuxthreads/sysdeps/sh')
-rw-r--r--linuxthreads/sysdeps/sh/Makefile3
-rw-r--r--linuxthreads/sysdeps/sh/pspinlock.c80
-rw-r--r--linuxthreads/sysdeps/sh/pt-machine.h81
-rw-r--r--linuxthreads/sysdeps/sh/tcb-offsets.sym10
-rw-r--r--linuxthreads/sysdeps/sh/tls.h148
5 files changed, 0 insertions, 322 deletions
diff --git a/linuxthreads/sysdeps/sh/Makefile b/linuxthreads/sysdeps/sh/Makefile
deleted file mode 100644
index 81bddf688c..0000000000
--- a/linuxthreads/sysdeps/sh/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-ifeq ($(subdir),csu)
-gen-as-const-headers += tcb-offsets.sym
-endif
diff --git a/linuxthreads/sysdeps/sh/pspinlock.c b/linuxthreads/sysdeps/sh/pspinlock.c
deleted file mode 100644
index 2dec849d3c..0000000000
--- a/linuxthreads/sysdeps/sh/pspinlock.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* POSIX spinlock implementation.  SH version.
-   Copyright (C) 2000, 2001 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; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <errno.h>
-#include <pthread.h>
-#include "internals.h"
-
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
-  unsigned int val;
-
-  do
-    asm volatile ("tas.b @%1; movt %0"
-		  : "=r" (val)
-		  : "r" (lock)
-		  : "memory");
-  while (val == 0);
-
-  return 0;
-}
-weak_alias (__pthread_spin_lock, pthread_spin_lock)
-
-
-int
-__pthread_spin_trylock (pthread_spinlock_t *lock)
-{
-  unsigned int val;
-
-  asm volatile ("tas.b @%1; movt %0"
-		: "=r" (val)
-		: "r" (lock)
-		: "memory");
-  return val ? 0 : EBUSY;
-}
-weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
-
-
-int
-__pthread_spin_unlock (pthread_spinlock_t *lock)
-{
-  return *lock = 0;
-}
-weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
-
-
-int
-__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
-{
-  /* We can ignore the `pshared' parameter.  Since we are busy-waiting
-     all processes which can access the memory location `lock' points
-     to can use the spinlock.  */
-  return *lock = 0;
-}
-weak_alias (__pthread_spin_init, pthread_spin_init)
-
-
-int
-__pthread_spin_destroy (pthread_spinlock_t *lock)
-{
-  /* Nothing to do.  */
-  return 0;
-}
-weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
diff --git a/linuxthreads/sysdeps/sh/pt-machine.h b/linuxthreads/sysdeps/sh/pt-machine.h
deleted file mode 100644
index 02545e6b45..0000000000
--- a/linuxthreads/sysdeps/sh/pt-machine.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Machine-dependent pthreads configuration and inline functions.
-   SuperH version.
-   Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Niibe Yutaka <gniibe@m17n.org>.
-
-   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; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H   1
-
-#ifndef __ASSEMBLER__
-#ifndef PT_EI
-# define PT_EI extern inline __attribute__ ((always_inline))
-#endif
-
-extern long int testandset (int *spinlock);
-extern int __compare_and_swap (long int *p, long int oldval, long int newval);
-
-/* Spinlock implementation; required.  */
-PT_EI long int
-testandset (int *spinlock)
-{
-  int ret;
-
-  __asm__ __volatile__(
-       "tas.b	@%1\n\t"
-       "movt	%0"
-       : "=r" (ret)
-       : "r" (spinlock)
-       : "memory", "cc");
-
-  return (ret == 0);
-}
-
-/* We want the OS to assign stack addresses.  */
-#define FLOATING_STACKS 1
-
-/* Maximum size of the stack if the rlimit is unlimited.  */
-#define ARCH_STACK_MAX_SIZE     32*1024*1024
-
-/* Get some notion of the current stack.  Need not be exactly the top
-   of the stack, just something somewhere in the current frame.  */
-#define CURRENT_STACK_FRAME  stack_pointer
-register char * stack_pointer __asm__ ("r15");
-
-/* Return the thread descriptor for the current thread.  */
-struct _pthread_descr_struct;
-#define THREAD_SELF \
-  ({ struct _pthread_descr_struct *self; \
-      __asm__("stc gbr,%0" : "=r" (self)); self;})
-
-/* Initialize the thread-unique value.  */
-#define INIT_THREAD_SELF(descr, nr) \
-  ({ __asm__ __volatile__("ldc %0,gbr" : : "r" (descr));})
-
-/* Access to data in the thread descriptor is easy.  */
-#define THREAD_GETMEM(descr, member) \
-  ((void) sizeof (descr), THREAD_SELF->member)
-#define THREAD_GETMEM_NC(descr, member) \
-  ((void) sizeof (descr), THREAD_SELF->member)
-#define THREAD_SETMEM(descr, member, value) \
-  ((void) sizeof (descr), THREAD_SELF->member = (value))
-#define THREAD_SETMEM_NC(descr, member, value) \
-  ((void) sizeof (descr), THREAD_SELF->member = (value))
-#endif /* __ASSEMBLER__ */
-
-#endif /* pt-machine.h */
diff --git a/linuxthreads/sysdeps/sh/tcb-offsets.sym b/linuxthreads/sysdeps/sh/tcb-offsets.sym
deleted file mode 100644
index 328eb05738..0000000000
--- a/linuxthreads/sysdeps/sh/tcb-offsets.sym
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <sysdep.h>
-#include <tls.h>
-
---
-#ifdef USE_TLS
-MULTIPLE_THREADS_OFFSET offsetof (struct _pthread_descr_struct, p_multiple_threads)
-TLS_PRE_TCB_SIZE	sizeof (struct _pthread_descr_struct)
-#else
-MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
-#endif
diff --git a/linuxthreads/sysdeps/sh/tls.h b/linuxthreads/sysdeps/sh/tls.h
deleted file mode 100644
index 17a247c6b6..0000000000
--- a/linuxthreads/sysdeps/sh/tls.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/* Definition for thread-local data handling.  linuxthreads/SH version.
-   Copyright (C) 2002, 2003 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
-
-# include <dl-sysdep.h>
-# include <pt-machine.h>
-
-#ifndef __ASSEMBLER__
-# include <stddef.h>
-# include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  void *pointer;
-} dtv_t;
-
-#else /* __ASSEMBLER__ */
-# include <tcb-offsets.h>
-#endif /* __ASSEMBLER__ */
-
-
-/* We can support TLS only if the floating-stack support is available.  */
-#if defined HAVE_TLS_SUPPORT \
-    && (defined FLOATING_STACKS || !defined IS_IN_libpthread)
-
-/* Signal that TLS support is available.  */
-# define USE_TLS	1
-
-# ifndef __ASSEMBLER__
-
-typedef struct
-{
-  dtv_t *dtv;
-  void *private;
-} tcbhead_t;
-
-/* This is the size of the initial TCB.  */
-#  define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
-
-/* Alignment requirements for the initial TCB.  */
-#  define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
-
-/* This is the size of the TCB.  */
-#  define TLS_TCB_SIZE sizeof (tcbhead_t)
-
-/* This is the size we need before TCB.  */
-#  define TLS_PRE_TCB_SIZE sizeof (struct _pthread_descr_struct)
-
-/* Alignment requirements for the TCB.  */
-#  define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct)
-
-/* The TLS blocks start right after 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))->dtv = dtvp + 1
-
-/* Install new dtv for current thread.  */
-#  define INSTALL_NEW_DTV(dtv) \
-  ({ tcbhead_t *__tcbp;							      \
-     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));			      \
-     __tcbp->dtv = (dtv);})
-
-/* Return dtv of given thread descriptor.  */
-#  define GET_DTV(tcbp) \
-  (((tcbhead_t *) (tcbp))->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) \
-  ({ __asm __volatile ("ldc %0,gbr" : : "r" (tcbp)); 0; })
-
-/* Return the address of the dtv for the current thread.  */
-#  define THREAD_DTV() \
-  ({ tcbhead_t *__tcbp;							      \
-     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));			      \
-     __tcbp->dtv;})
-
-/* Return the thread descriptor for the current thread.  */
-#  undef THREAD_SELF
-#  define THREAD_SELF \
-  ({ struct _pthread_descr_struct *__self;				      \
-     __asm ("stc gbr,%0" : "=r" (__self));				      \
-     __self - 1;})
-
-#  undef INIT_THREAD_SELF
-#  define INIT_THREAD_SELF(descr, nr) \
-  ({ struct _pthread_descr_struct *__self = (void *) descr;		      \
-     __asm __volatile ("ldc %0,gbr" : : "r" (__self + 1));		      \
-     0; })
-
-# define TLS_MULTIPLE_THREADS_IN_TCB 1
-
-/* Get the thread descriptor definition.  This must be after the
-   the definition of THREAD_SELF for TLS.  */
-#  include <linuxthreads/descr.h>
-
-# endif /* __ASSEMBLER__ */
-
-#else
-
-# ifndef __ASSEMBLER__
-
-typedef struct
-{
-  void *tcb;
-  dtv_t *dtv;
-  void *self;
-  int multiple_threads;
-} tcbhead_t;
-
-/* Get the thread descriptor definition.  */
-#  include <linuxthreads/descr.h>
-
-#  define NONTLS_INIT_TP \
-  do { 									\
-    static const tcbhead_t nontls_init_tp = { .multiple_threads = 0 };	\
-    __asm __volatile ("ldc %0,gbr" : : "r" (&nontls_init_tp));	        \
-  } while (0)
-
-# endif /* __ASSEMBLER__ */
-
-#endif	/* HAVE_TLS_SUPPORT && (FLOATING_STACKS || !IS_IN_libpthread) */
-
-#endif	/* tls.h */