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Diffstat (limited to 'libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h')
-rw-r--r--libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h124
1 files changed, 0 insertions, 124 deletions
diff --git a/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h b/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h
deleted file mode 100644
index 4bff85aec..000000000
--- a/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/* Machine-dependent pthreads configuration and inline functions.
- 64 bit S/390 version.
- Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
- Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
- 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, see <http://www.gnu.org/licenses/>. */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H 1
-
-#ifndef PT_EI
-# define PT_EI __extern_always_inline
-#endif
-
-extern long int testandset (int *spinlock);
-extern int __compare_and_swap (long int *p, long int oldval, long int newval);
-
-/* For multiprocessor systems, we want to ensure all memory accesses
- are completed before we reset a lock. On other systems, we still
- need to make sure that the compiler has flushed everything to memory. */
-#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory")
-
-/* Spinlock implementation; required. */
-PT_EI long int
-testandset (int *spinlock)
-{
- int ret;
-
- __asm__ __volatile__(
- " la 1,%1\n"
- " lhi 0,1\n"
- " l %0,%1\n"
- "0: cs %0,0,0(1)\n"
- " jl 0b"
- : "=&d" (ret), "+m" (*spinlock)
- : : "0", "1", "cc");
-
- return ret;
-}
-
-
-/* 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__ ("15");
-
-#ifdef __UCLIBC_HAS_TLS__
-/* Return the thread descriptor for the current thread. */
-# define THREAD_SELF ((pthread_descr) __builtin_thread_pointer ())
-
-/* Initialize the thread-unique value. */
-#define INIT_THREAD_SELF(descr, nr) __builtin_set_thread_pointer (descr)
-#else
-/* Return the thread descriptor for the current thread.
- 64 bit S/390 uses access register 0 and 1 as "thread register". */
-#define THREAD_SELF ({ \
- register pthread_descr __self; \
- __asm__ (" ear %0,%%a0\n" \
- " sllg %0,%0,32\n" \
- " ear %0,%%a1\n" \
- : "=d" (__self) ); \
- __self; \
-})
-
-/* Initialize the thread-unique value. */
-#define INIT_THREAD_SELF(descr, nr) ({ \
- __asm__ (" sar %%a1,%0\n" \
- " srlg 0,%0,32\n" \
- " sar %%a0,0\n" \
- : : "d" (descr) : "0" ); \
-})
-#endif
-
-/* 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))
-
-/* 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 8*1024*1024
-
-/* Compare-and-swap for semaphores. */
-
-#define HAS_COMPARE_AND_SWAP
-
-PT_EI int
-__compare_and_swap(long int *p, long int oldval, long int newval)
-{
- int retval;
-
- __asm__ __volatile__(
- " lgr 0,%2\n"
- " csg 0,%3,%1\n"
- " ipm %0\n"
- " srl %0,28\n"
- "0:"
- : "=&d" (retval), "+m" (*p)
- : "d" (oldval) , "d" (newval)
- : "cc", "0");
- return retval == 0;
-}
-
-#endif /* pt-machine.h */