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Diffstat (limited to 'linuxthreads/sysdeps/ia64/pt-machine.h')
-rw-r--r--linuxthreads/sysdeps/ia64/pt-machine.h133
1 files changed, 0 insertions, 133 deletions
diff --git a/linuxthreads/sysdeps/ia64/pt-machine.h b/linuxthreads/sysdeps/ia64/pt-machine.h
deleted file mode 100644
index 6c5dfe93bb..0000000000
--- a/linuxthreads/sysdeps/ia64/pt-machine.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/* Machine-dependent pthreads configuration and inline functions.
- IA-64 version.
- Copyright (C) 1999, 2000, 2002, 2003, 2004 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. */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H 1
-
-#include <ia64intrin.h>
-
-#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);
-
-/* Make sure gcc doesn't try to be clever and move things around on
- us. We need to use _exactly_ the address the user gave us, not some
- alias that contains the same information. */
-#define __atomic_fool_gcc(x) (*(volatile struct { int a[100]; } *)x)
-
-#ifndef ELF_MACHINE_NAME
-
-#define NEED_SEPARATE_REGISTER_STACK
-
-/* 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.
- r12 (sp) is the stack pointer. */
-#define CURRENT_STACK_FRAME stack_pointer
-register char *stack_pointer __asm__ ("sp");
-
-
-/* Register r13 (tp) is reserved by the ABI as "thread pointer". */
-struct _pthread_descr_struct;
-register struct _pthread_descr_struct *__thread_self __asm__("r13");
-
-/* Return the thread descriptor for the current thread. */
-#define THREAD_SELF __thread_self
-
-/* Initialize the thread-unique value. */
-#define INIT_THREAD_SELF(descr, nr) (__thread_self = (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))
-
-
-/* Memory barrier */
-#define MEMORY_BARRIER() __sync_synchronize ()
-
-
-#define HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS
-
-PT_EI int
-__compare_and_swap (long int *p, long int oldval, long int newval)
-{
- long int readval;
-
- __asm__ __volatile__
- ("mov ar.ccv=%4;;\n\t"
- "cmpxchg8.acq %0=%1,%2,ar.ccv"
- : "=r" (readval), "=m" (__atomic_fool_gcc (p))
- : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval)
- : "memory");
- return readval == oldval;
-}
-
-PT_EI int
-__compare_and_swap_with_release_semantics (long int *p,
- long int oldval,
- long int newval)
-{
- long int readval;
-
- __asm__ __volatile__
- ("mov ar.ccv=%4;;\n\t"
- "cmpxchg8.rel %0=%1,%2,ar.ccv"
- : "=r" (readval), "=m" (__atomic_fool_gcc (p))
- : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval)
- : "memory");
- return readval == oldval;
-}
-
-#endif /* ELF_MACHINE_NAME */
-
-/* Spinlock implementation; required. */
-PT_EI long int
-testandset (int *spinlock)
-{
- long int ret;
-
- __asm__ __volatile__(
- "xchg4 %0=%1,%2"
- : "=r"(ret), "=m"(__atomic_fool_gcc (spinlock))
- : "r"(1), "m"(__atomic_fool_gcc (spinlock))
- : "memory");
-
- return ret;
-}
-
-/* Indicate that we are looping. */
-#define BUSY_WAIT_NOP __asm__ ("hint @pause")
-
-#endif /* pt-machine.h */