Author: andrew
Date: Thu Jun 25 08:22:25 2015
New Revision: 284807
URL: https://svnweb.freebsd.org/changeset/base/284807
Log:
Implement fpgetmask, it's needed by Python.
Approved by: ABT Systems Ltd
Sponsored by: The FreeBSD Foundation
Added:
head/lib/libc/aarch64/gen/fpgetmask.c (contents, props changed)
Modified:
head/lib/libc/aarch64/Symbol.map
head/lib/libc/aarch64/gen/Makefile.inc
Modified: head/lib/libc/aarch64/Symbol.map
==============================================================================
--- head/lib/libc/aarch64/Symbol.map Thu Jun 25 08:15:47 2015
(r284806)
+++ head/lib/libc/aarch64/Symbol.map Thu Jun 25 08:22:25 2015
(r284807)
@@ -15,6 +15,7 @@ FBSD_1.0 {
_longjmp;
fabs;
__flt_rounds;
+ fpgetmask;
fpsetmask;
setjmp;
longjmp;
Modified: head/lib/libc/aarch64/gen/Makefile.inc
==============================================================================
--- head/lib/libc/aarch64/gen/Makefile.inc Thu Jun 25 08:15:47 2015
(r284806)
+++ head/lib/libc/aarch64/gen/Makefile.inc Thu Jun 25 08:22:25 2015
(r284807)
@@ -2,6 +2,7 @@
SRCS+= fabs.S \
flt_rounds.c \
+ fpgetmask.c \
fpsetmask.c \
ldexp.c \
_setjmp.S \
Added: head/lib/libc/aarch64/gen/fpgetmask.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/lib/libc/aarch64/gen/fpgetmask.c Thu Jun 25 08:22:25 2015
(r284807)
@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 2015 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Andrew Turner under
+ * sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+#define FP_X_MASK (FP_X_INV | FP_X_DZ | FP_X_OFL | FP_X_UFL | FP_X_IMP)
+
+fp_except_t
+fpgetmask(void)
+{
+ uint64_t mask;
+
+ /* Read the current mask */
+ __asm __volatile("mrs %0, fpcr" : "=&r"(mask));
+
+ return (mask & FP_X_MASK);
+}
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