RISC-V does not implement trapping of floating point exceptions, so use

the same dummy fpgetmask(3) and fpsetmask(3) implementation as arm64.

ok drahn@

diff --git a/lib/libc/arch/riscv64/gen/fpgetmask.c b/lib/libc/arch/riscv64/gen/fpgetmask.c
new file mode 100644 (file)
index 0000000..6e94f99
--- /dev/null
+++ b/lib/libc/arch/riscv64/gen/fpgetmask.c
@@ -0,0 +1,26 @@
+/*     $OpenBSD: fpgetmask.c,v 1.1 2021/04/28 08:22:56 kettenis Exp $  */
+/*
+ * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ieeefp.h>
+
+__weak_alias(_fpgetmask,fpgetmask);
+
+fp_except
+fpgetmask(void)
+{
+       return 0;
+}

diff --git a/lib/libc/arch/riscv64/gen/fpsetmask.c b/lib/libc/arch/riscv64/gen/fpsetmask.c
new file mode 100644 (file)
index 0000000..03485db
--- /dev/null
+++ b/lib/libc/arch/riscv64/gen/fpsetmask.c
@@ -0,0 +1,26 @@
+/*     $OpenBSD: fpsetmask.c,v 1.1 2021/04/28 08:22:56 kettenis Exp $  */
+/*
+ * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ieeefp.h>
+
+__weak_alias(_fpsetmask,fpsetmask);
+
+fp_except
+fpsetmask(fp_except mask)
+{
+       return 0;
+}