1 files changed, 105 insertions, 0 deletions
diff --git a/libcilkrts/runtime/config/arm/os-unix-sysdep.c b/libcilkrts/runtime/config/arm/os-unix-sysdep.c
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index 00000000000..02d8c2bebff
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+++ b/libcilkrts/runtime/config/arm/os-unix-sysdep.c
@@ -0,0 +1,105 @@
+/* os-unix-sysdep.c                  -*-C-*-
+ *
+ *************************************************************************
+ *
+ *  Copyright (C) 2009-2016, Intel Corporation
+ *  All rights reserved.
+ *  
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in
+ *      the documentation and/or other materials provided with the
+ *      distribution.
+ *    * Neither the name of Intel Corporation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *  
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ *  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ *  WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ *  
+ *  *********************************************************************
+ *  
+ *  PLEASE NOTE: This file is a downstream copy of a file mainitained in
+ *  a repository at cilkplus.org. Changes made to this file that are not
+ *  submitted through the contribution process detailed at
+ *  http://www.cilkplus.org/submit-cilk-contribution will be lost the next
+ *  time that a new version is released. Changes only submitted to the
+ *  GNU compiler collection or posted to the git repository at
+ *  https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
+ *  not tracked.
+ *  
+ *  We welcome your contributions to this open source project. Thank you
+ *  for your assistance in helping us improve Cilk Plus.
+ *************************************************************************
+ *
+ * This file contains generic implementations of system-specific code for
+ * Unix-based systems
+ */
+
+#include "os.h"
+#include "sysdep.h"
+
+/*
+ * The cycle counter is used for debugging.  This funciton is only called if
+ * CILK_PROFILE is defined when the runtime is built.
+ */
+COMMON_SYSDEP unsigned long long __cilkrts_getticks(void)
+{
+#   warning "unimplemented cycle counter"
+    return 0;
+}
+
+/*
+ * A "short pause" - called from the Cilk runtime's spinloops.
+ */
+COMMON_SYSDEP void __cilkrts_short_pause(void)
+{
+#   warning __cilkrts_short_pause empty
+}
+
+/*
+ * Interlocked exchange - used to implement the Cilk runtime's spinloops
+ */
+COMMON_SYSDEP int __cilkrts_xchg(volatile int *ptr, int x)
+{
+    x = __sync_lock_test_and_set(ptr, x);
+    return x;
+}
+
+
+/*
+ * Restore the floating point state that is stored in a stack frame at each
+ * spawn.  This should be called each time a frame is resumed.
+ *
+ * Only valid for IA32 and Intel64 processors.
+ */
+void restore_x86_fp_state (__cilkrts_stack_frame *sf)
+{
+}
+
+
+/*
+ * Save the floating point state to the __cilkrts_stack_frame at each spawn.
+ *
+ * Architecture-specific - Should only be needed on IA32 and Intel64
+ * processors.
+ */
+void sysdep_save_fp_ctrl_state(__cilkrts_stack_frame *sf)
+{
+}
+