Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 167 insertions, 0 deletions

diff --git a/gcc-4.9/libcilkrts/runtime/metacall_impl.c b/gcc-4.9/libcilkrts/runtime/metacall_impl.c
new file mode 100644
index 000000000..ce1c51a20
--- /dev/null
+++ b/gcc-4.9/libcilkrts/runtime/metacall_impl.c
@@ -0,0 +1,167 @@
+/* metacall_impl.c                  -*-C-*-
+ *
+ *************************************************************************
+ *
+ *  @copyright
+ *  Copyright (C) 2009-2013, Intel Corporation
+ *  All rights reserved.
+ *  
+ *  @copyright
+ *  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.
+ *  
+ *  @copyright
+ *  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.
+ **************************************************************************/
+
+#include "metacall_impl.h"
+
+NOINLINE
+CILK_API_VOID
+__cilkrts_metacall(unsigned int tool, unsigned int code, void *data)
+{
+#ifdef ENABLE_NOTIFY_ZC_INTRINSIC
+    // The metacall type, code and data are packed together into a single
+    // struct which will be interpreted by the tool. This function is the
+    // one and only use of a "cilkscreen_metacall" annotation
+    metacall_data_t d = { tool, code, data };
+
+    // Note that Inspector uses probe mode, and is implementing the metacall
+    // interface to force the runtime to run with a single worker.  So
+    // __cilkrts_metacall must use __notify_intrinsic instead of
+    // __notify_zc_intrinsic
+    __notify_intrinsic("cilkscreen_metacall", &d);
+#endif // ENABLE_NOTIFY_ZC_INTRINSIC
+}
+
+int __cilkrts_running_under_sequential_ptool(void)
+{
+    static int running_under_sequential_ptool = -1;
+    volatile char c = ~0;
+
+    // If we haven't been called before, see if we're running under Cilkscreen
+    // or Cilkview
+    if (-1 == running_under_sequential_ptool)
+    {
+        // metacall #2 writes 0 in C if we are running under
+        // a p-tools that requires serial execution, and is a 
+        // no-op otherwise
+        //
+        // Note that removing the volatile is required to prevent the compiler
+        // from assuming that the value has not changed
+        __cilkrts_metacall(METACALL_TOOL_SYSTEM,
+                           HYPER_ZERO_IF_SEQUENTIAL_PTOOL, (void *)&c);
+
+        running_under_sequential_ptool = (0 == c);
+    }
+
+    return running_under_sequential_ptool;
+}
+
+/*
+ * __cilkrts_cilkscreen_establish_c_stack
+ *
+ * Notify Cilkscreen of the extent of the stack
+ */
+
+void __cilkrts_cilkscreen_establish_c_stack(char *begin, char *end)
+{
+    char *limits[2] = {begin, end};
+
+    __cilkrts_metacall(METACALL_TOOL_SYSTEM, HYPER_ESTABLISH_C_STACK, limits);
+}
+
+#ifdef WORKSPAN // Workspan stuff - remove when we're sure what we can drop
+
+void __cilkview_workspan_start(void) {
+  __cilkrts_metacall(HYPER_WORKSPAN_START, 0);
+}
+
+void __cilkview_workspan_stop(void) {
+  __cilkrts_metacall(HYPER_WORKSPAN_STOP, 0);
+}
+
+void __cilkview_workspan_dump(const char *str) {
+  __cilkrts_metacall(HYPER_WORKSPAN_DUMP, (void*)str);
+}
+
+
+void __cilkview_workspan_reset(void) {
+  __cilkrts_metacall(HYPER_WORKSPAN_RESET, 0);
+}
+
+
+void __cilkview_use_default_grain(void) {
+    __cilkrts_metacall(HYPER_USE_DEFAULT_GRAIN, 0);
+}
+
+void __cilkview_get_workspan_data(unsigned long long *values, int size)
+{
+    void *data[2];
+
+    /* reset counters to zero in case we are not running under
+       a p-tool */
+
+    values[0] = 0;
+
+    data[0] = (void*) values;
+    data[1] = (void*) &size;
+     __cilkrts_metacall(HYPER_WORKSPAN_QUERY, &data);
+}
+
+void __cilkview_workspan_connected (int *flag) {
+  *flag = 0;
+  __cilkrts_metacall(HYPER_WORKSPAN_CONNECTED, (void *)flag);
+}
+
+void __cilkview_workspan_suspend() {
+  __cilkrts_metacall(HYPER_WORKSPAN_SUSPEND, 0);
+}
+
+void __cilkview_workspan_resume() {
+  __cilkrts_metacall(HYPER_WORKSPAN_RESUME, 0);
+}
+
+/* depreciated interfaces */
+void __cilkometer_workspan_start(void) {
+  __cilkrts_metacall(HYPER_WORKSPAN_START, 0);
+}
+
+void __cilkometer_workspan_stop(void) {
+  __cilkrts_metacall(HYPER_WORKSPAN_STOP, 0);
+}
+
+void __cilkometer_workspan_dump(const char *str) {
+  __cilkrts_metacall(HYPER_WORKSPAN_DUMP, (void*)str);
+}
+
+
+void __cilkometer_workspan_reset(void) {
+  __cilkrts_metacall(HYPER_WORKSPAN_RESET, 0);
+}
+
+#endif // WORKSPAN
+
+/* End metacall_impl.c */