1 files changed, 248 insertions, 0 deletions
diff --git a/libgomp/icv.c b/libgomp/icv.c
new file mode 100644
index 00000000000..e58b961558e
--- /dev/null
+++ b/libgomp/icv.c
@@ -0,0 +1,248 @@
+/* Copyright (C) 2005-2016 Free Software Foundation, Inc.
+   Contributed by Richard Henderson <rth@redhat.com>.
+
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+
+   Libgomp is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   Libgomp 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 General Public License for
+   more details.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file defines the OpenMP internal control variables and associated
+   OpenMP API entry points.  */
+
+#include "libgomp.h"
+#include "gomp-constants.h"
+#include <limits.h>
+
+struct gomp_task_icv gomp_global_icv = {
+  .nthreads_var = 1,
+  .thread_limit_var = UINT_MAX,
+  .run_sched_var = GFS_DYNAMIC,
+  .run_sched_chunk_size = 1,
+  .default_device_var = 0,
+  .dyn_var = false,
+  .nest_var = false,
+  .bind_var = omp_proc_bind_false,
+  .target_data = NULL
+};
+
+unsigned long gomp_max_active_levels_var = INT_MAX;
+bool gomp_cancel_var = false;
+int gomp_max_task_priority_var = 0;
+#ifndef HAVE_SYNC_BUILTINS
+gomp_mutex_t gomp_managed_threads_lock;
+#endif
+unsigned long gomp_available_cpus = 1, gomp_managed_threads = 1;
+unsigned long long gomp_spin_count_var, gomp_throttled_spin_count_var;
+unsigned long *gomp_nthreads_var_list, gomp_nthreads_var_list_len;
+char *gomp_bind_var_list;
+unsigned long gomp_bind_var_list_len;
+void **gomp_places_list;
+unsigned long gomp_places_list_len;
+int gomp_debug_var;
+unsigned int gomp_num_teams_var;
+char *goacc_device_type;
+int goacc_device_num;
+
+void
+omp_set_num_threads (int n)
+{
+  struct gomp_task_icv *icv = gomp_icv (true);
+  icv->nthreads_var = (n > 0 ? n : 1);
+}
+
+void
+omp_set_dynamic (int val)
+{
+  struct gomp_task_icv *icv = gomp_icv (true);
+  icv->dyn_var = val;
+}
+
+int
+omp_get_dynamic (void)
+{
+  struct gomp_task_icv *icv = gomp_icv (false);
+  return icv->dyn_var;
+}
+
+void
+omp_set_nested (int val)
+{
+  struct gomp_task_icv *icv = gomp_icv (true);
+  icv->nest_var = val;
+}
+
+int
+omp_get_nested (void)
+{
+  struct gomp_task_icv *icv = gomp_icv (false);
+  return icv->nest_var;
+}
+
+void
+omp_set_schedule (omp_sched_t kind, int chunk_size)
+{
+  struct gomp_task_icv *icv = gomp_icv (true);
+  switch (kind)
+    {
+    case omp_sched_static:
+      if (chunk_size < 1)
+	chunk_size = 0;
+      icv->run_sched_chunk_size = chunk_size;
+      break;
+    case omp_sched_dynamic:
+    case omp_sched_guided:
+      if (chunk_size < 1)
+	chunk_size = 1;
+      icv->run_sched_chunk_size = chunk_size;
+      break;
+    case omp_sched_auto:
+      break;
+    default:
+      return;
+    }
+  icv->run_sched_var = kind;
+}
+
+void
+omp_get_schedule (omp_sched_t *kind, int *chunk_size)
+{
+  struct gomp_task_icv *icv = gomp_icv (false);
+  *kind = icv->run_sched_var;
+  *chunk_size = icv->run_sched_chunk_size;
+}
+
+int
+omp_get_max_threads (void)
+{
+  struct gomp_task_icv *icv = gomp_icv (false);
+  return icv->nthreads_var;
+}
+
+int
+omp_get_thread_limit (void)
+{
+  struct gomp_task_icv *icv = gomp_icv (false);
+  return icv->thread_limit_var > INT_MAX ? INT_MAX : icv->thread_limit_var;
+}
+
+void
+omp_set_max_active_levels (int max_levels)
+{
+  if (max_levels >= 0)
+    gomp_max_active_levels_var = max_levels;
+}
+
+int
+omp_get_max_active_levels (void)
+{
+  return gomp_max_active_levels_var;
+}
+
+int
+omp_get_cancellation (void)
+{
+  return gomp_cancel_var;
+}
+
+int
+omp_get_max_task_priority (void)
+{
+  return gomp_max_task_priority_var;
+}
+
+omp_proc_bind_t
+omp_get_proc_bind (void)
+{
+  struct gomp_task_icv *icv = gomp_icv (false);
+  return icv->bind_var;
+}
+
+int
+omp_get_initial_device (void)
+{
+  return GOMP_DEVICE_HOST_FALLBACK;
+}
+
+int
+omp_get_num_places (void)
+{
+  return gomp_places_list_len;
+}
+
+int
+omp_get_place_num (void)
+{
+  if (gomp_places_list == NULL)
+    return -1;
+
+  struct gomp_thread *thr = gomp_thread ();
+  if (thr->place == 0)
+    gomp_init_affinity ();
+
+  return (int) thr->place - 1;
+}
+
+int
+omp_get_partition_num_places (void)
+{
+  if (gomp_places_list == NULL)
+    return 0;
+
+  struct gomp_thread *thr = gomp_thread ();
+  if (thr->place == 0)
+    gomp_init_affinity ();
+
+  return thr->ts.place_partition_len;
+}
+
+void
+omp_get_partition_place_nums (int *place_nums)
+{
+  if (gomp_places_list == NULL)
+    return;
+
+  struct gomp_thread *thr = gomp_thread ();
+  if (thr->place == 0)
+    gomp_init_affinity ();
+
+  unsigned int i;
+  for (i = 0; i < thr->ts.place_partition_len; i++)
+    *place_nums++ = thr->ts.place_partition_off + i;
+}
+
+ialias (omp_set_dynamic)
+ialias (omp_set_nested)
+ialias (omp_set_num_threads)
+ialias (omp_get_dynamic)
+ialias (omp_get_nested)
+ialias (omp_set_schedule)
+ialias (omp_get_schedule)
+ialias (omp_get_max_threads)
+ialias (omp_get_thread_limit)
+ialias (omp_set_max_active_levels)
+ialias (omp_get_max_active_levels)
+ialias (omp_get_cancellation)
+ialias (omp_get_proc_bind)
+ialias (omp_get_initial_device)
+ialias (omp_get_max_task_priority)
+ialias (omp_get_num_places)
+ialias (omp_get_place_num)
+ialias (omp_get_partition_num_places)
+ialias (omp_get_partition_place_nums)