aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/hipe/hipe_stack.h
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/hipe/hipe_stack.h')
-rw-r--r--erts/emulator/hipe/hipe_stack.h32
1 files changed, 22 insertions, 10 deletions
diff --git a/erts/emulator/hipe/hipe_stack.h b/erts/emulator/hipe/hipe_stack.h
index 66f9f04c73..4ea7d5c031 100644
--- a/erts/emulator/hipe/hipe_stack.h
+++ b/erts/emulator/hipe/hipe_stack.h
@@ -1,18 +1,19 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2001-2012. All Rights Reserved.
+ * Copyright Ericsson AB 2001-2016. All Rights Reserved.
*
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -108,12 +109,23 @@ extern int hipe_fill_stacktrace(Process*, int, Eterm**);
#if 0 && defined(HIPE_NSTACK_GROWS_UP)
#define hipe_nstack_start(p) ((p)->hipe.nstack)
#define hipe_nstack_used(p) ((p)->hipe.nsp - (p)->hipe.nstack)
+#define hipe_nstack_avail(p) ((p)->hipe.nstend - (p)->hipe.nsp)
#endif
#if defined(HIPE_NSTACK_GROWS_DOWN)
#define hipe_nstack_start(p) ((p)->hipe.nsp)
#define hipe_nstack_used(p) ((p)->hipe.nstend - (p)->hipe.nsp)
+#define hipe_nstack_avail(p) ((unsigned)((p)->hipe.nsp - (p)->hipe.nstack))
#endif
+/* ensure that at least nwords words are available on the native stack */
+static __inline__ void hipe_check_nstack(Process *p, unsigned nwords)
+{
+ extern void hipe_inc_nstack(Process *p);
+
+ while (hipe_nstack_avail(p) < nwords)
+ hipe_inc_nstack(p);
+}
+
/*
* GC support procedures
*/