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Diffstat (limited to 'libjava/sysdep/sh/locks.h')
-rw-r--r--libjava/sysdep/sh/locks.h72
1 files changed, 0 insertions, 72 deletions
diff --git a/libjava/sysdep/sh/locks.h b/libjava/sysdep/sh/locks.h
deleted file mode 100644
index f6076d60199..00000000000
--- a/libjava/sysdep/sh/locks.h
+++ /dev/null
@@ -1,72 +0,0 @@
-// locks.h - Thread synchronization primitives. SuperH implementation.
-
-/* Copyright (C) 2002 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-#ifndef __SYSDEP_LOCKS_H__
-#define __SYSDEP_LOCKS_H__
-
-typedef size_t obj_addr_t; /* Integer type big enough for object */
- /* address. */
-
-static unsigned char __cas_lock = 0;
-
-inline static void
-__cas_start_atomic (void)
-{
- unsigned int val;
-
- do
- __asm__ __volatile__ ("tas.b @%1; movt %0"
- : "=r" (val)
- : "r" (&__cas_lock)
- : "memory");
- while (val == 0);
-}
-
-inline static void
-__cas_end_atomic (void)
-{
- __asm__ __volatile__ (" " : : : "memory");
- __cas_lock = 0;
-}
-
-inline static bool
-compare_and_swap (volatile obj_addr_t *addr, obj_addr_t old,
- obj_addr_t new_val)
-{
- bool ret;
-
- __cas_start_atomic ();
- if (*addr != old)
- ret = false;
- else
- {
- *addr = new_val;
- ret = true;
- }
- __cas_end_atomic ();
-
- return ret;
-}
-
-inline static void
-release_set (volatile obj_addr_t *addr, obj_addr_t new_val)
-{
- __asm__ __volatile__ (" " : : : "memory");
- *(addr) = new_val;
-}
-
-inline static bool
-compare_and_swap_release (volatile obj_addr_t *addr, obj_addr_t old,
- obj_addr_t new_val)
-{
- return compare_and_swap (addr, old, new_val);
-}
-
-#endif /* ! __SYSDEP_LOCKS_H__ */