Wrap fpgetround() so internal calls to it (seen on arm, powerpc, and sh)

go direct instead of through the PLT.

ok millert@ kettenis@

12 files changed, 61 insertions, 21 deletions

diff --git a/lib/libc/arch/alpha/gen/fpgetround.c b/lib/libc/arch/alpha/gen/fpgetround.c
index a15a82ec3f6..58f4a4f6e47 100644
--- a/lib/libc/arch/alpha/gen/fpgetround.c
+++ b/lib/libc/arch/alpha/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.4 2005/08/07 16:40:13 espie Exp $	*/
+/*	$OpenBSD: fpgetround.c,v 1.5 2016/07/26 19:07:09 guenther Exp $	*/
 /*	$NetBSD: fpgetround.c,v 1.1 1995/04/29 05:09:55 cgd Exp $	*/
 
 /*
@@ -36,7 +36,7 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	double fpcrval;
 	u_int64_t old;
@@ -48,3 +48,4 @@ fpgetround()
 
 	return ((old >> 58) & 0x3);
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/arch/hppa/gen/fpgetround.c b/lib/libc/arch/hppa/gen/fpgetround.c
index 8ec62343404..e84297f58cb 100644
--- a/lib/libc/arch/hppa/gen/fpgetround.c
+++ b/lib/libc/arch/hppa/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.4 2014/04/18 15:09:52 guenther Exp $	*/
+/*	$OpenBSD: fpgetround.c,v 1.5 2016/07/26 19:07:09 guenther Exp $	*/
 
 /*
  * Written by Miodrag Vallat.  Public domain
@@ -8,10 +8,11 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	u_int64_t fpsr;
 
 	__asm__ volatile("fstd %%fr0,0(%1)" : "=m" (fpsr) : "r" (&fpsr));
 	return ((fpsr >> 41) & 0x3);
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/arch/m88k/gen/fpgetround.c b/lib/libc/arch/m88k/gen/fpgetround.c
index ca59bb78ac7..bbd59ddf5fd 100644
--- a/lib/libc/arch/m88k/gen/fpgetround.c
+++ b/lib/libc/arch/m88k/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.4 2013/01/05 11:20:55 miod Exp $	*/
+/*	$OpenBSD: fpgetround.c,v 1.5 2016/07/26 19:07:09 guenther Exp $	*/
 
 /*
  * Written by J.T. Conklin, Apr 10, 1995
@@ -9,10 +9,11 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	int x;
 
 	__asm__ volatile ("fldcr %0, %%fcr63" : "=r" (x));
 	return (x >> 14) & 0x03;
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/arch/mips64/gen/fpgetround.c b/lib/libc/arch/mips64/gen/fpgetround.c
index 6d88954d72f..55071978391 100644
--- a/lib/libc/arch/mips64/gen/fpgetround.c
+++ b/lib/libc/arch/mips64/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.2 2005/08/07 16:40:15 espie Exp $ */
+/*	$OpenBSD: fpgetround.c,v 1.3 2016/07/26 19:07:09 guenther Exp $ */
 /*
  * Written by J.T. Conklin, Apr 11, 1995
  * Public domain.
@@ -7,10 +7,11 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	int x;
 
 	__asm__("cfc1 %0,$31" : "=r" (x));
 	return x & 0x03;
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/arch/powerpc/gen/flt_rounds.c b/lib/libc/arch/powerpc/gen/flt_rounds.c
index d3976cede0a..7f9869e1ddf 100644
--- a/lib/libc/arch/powerpc/gen/flt_rounds.c
+++ b/lib/libc/arch/powerpc/gen/flt_rounds.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: flt_rounds.c,v 1.6 2015/10/27 05:54:49 guenther Exp $	*/
+/*	$OpenBSD: flt_rounds.c,v 1.7 2016/07/26 19:07:09 guenther Exp $	*/
 /*	$NetBSD: flt_rounds.c,v 1.5 2001/05/25 12:14:05 simonb Exp $	*/
 
 /*
@@ -34,6 +34,7 @@
 
 #include <sys/types.h>
 #include <float.h>
+#include <ieeefp.h>
 
 
 static const int map[] = {
@@ -44,7 +45,7 @@ static const int map[] = {
 };
 
 int
-__flt_rounds()
+__flt_rounds(void)
 {
 #ifdef _SOFT_FLOAT
 	return map[fpgetround()];
diff --git a/lib/libc/arch/powerpc/gen/fpgetround.c b/lib/libc/arch/powerpc/gen/fpgetround.c
index 12aa12e7201..60c6cdeaf86 100644
--- a/lib/libc/arch/powerpc/gen/fpgetround.c
+++ b/lib/libc/arch/powerpc/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.3 2014/04/17 09:01:25 guenther Exp $	*/
+/*	$OpenBSD: fpgetround.c,v 1.4 2016/07/26 19:07:09 guenther Exp $	*/
 /*	$NetBSD: fpgetround.c,v 1.1 1999/07/07 01:55:08 danw Exp $	*/
 
 /*
@@ -34,10 +34,11 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	u_int64_t fpscr;
 
 	__asm__ volatile("mffs %0" : "=f"(fpscr));
 	return (fpscr & 0x3);
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/arch/sh/gen/flt_rounds.c b/lib/libc/arch/sh/gen/flt_rounds.c
index 31fe8e2af30..4add477ab84 100644
--- a/lib/libc/arch/sh/gen/flt_rounds.c
+++ b/lib/libc/arch/sh/gen/flt_rounds.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: flt_rounds.c,v 1.5 2015/10/27 05:54:49 guenther Exp $	*/
+/*	$OpenBSD: flt_rounds.c,v 1.6 2016/07/26 19:07:09 guenther Exp $	*/
 /*
  * Copyright (c) 2006 Miodrag Vallat.
  *
@@ -18,7 +18,7 @@
 
 #include <sys/types.h>
 #include <float.h>
-#include <machine/ieeefp.h>
+#include <ieeefp.h>
 
 static const int rndmap[] = {
 	1,	/* round to nearest */
diff --git a/lib/libc/arch/sh/gen/fpgetround.c b/lib/libc/arch/sh/gen/fpgetround.c
index 3f45ea139ed..de61effe63b 100644
--- a/lib/libc/arch/sh/gen/fpgetround.c
+++ b/lib/libc/arch/sh/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.2 2014/04/18 15:09:52 guenther Exp $	*/
+/*	$OpenBSD: fpgetround.c,v 1.3 2016/07/26 19:07:09 guenther Exp $	*/
 /*
  * Copyright (c) 2006 Miodrag Vallat.
  *
@@ -20,10 +20,11 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	register_t fpscr;
 
 	__asm__ volatile ("sts fpscr, %0" : "=r" (fpscr));
 	return (fpscr & 0x3);
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/arch/sparc/gen/fpgetround.c b/lib/libc/arch/sparc/gen/fpgetround.c
index ed7accb4a1d..84e7f49a82d 100644
--- a/lib/libc/arch/sparc/gen/fpgetround.c
+++ b/lib/libc/arch/sparc/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.3 2005/08/07 16:40:15 espie Exp $ */
+/*	$OpenBSD: fpgetround.c,v 1.4 2016/07/26 19:07:09 guenther Exp $ */
 /*
  * Written by J.T. Conklin, Apr 10, 1995
  * Public domain.
@@ -7,10 +7,11 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	int x;
 
 	__asm__("st %%fsr,%0" : "=m" (*&x));
 	return (x >> 30) & 0x03;
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/arch/sparc64/gen/fpgetround.c b/lib/libc/arch/sparc64/gen/fpgetround.c
index b15f2e3bccc..76f35952631 100644
--- a/lib/libc/arch/sparc64/gen/fpgetround.c
+++ b/lib/libc/arch/sparc64/gen/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.1 2001/08/29 01:34:56 art Exp $	*/
+/*	$OpenBSD: fpgetround.c,v 1.2 2016/07/26 19:07:09 guenther Exp $	*/
 
 /*
  * Written by J.T. Conklin, Apr 10, 1995
@@ -8,10 +8,11 @@
 #include <ieeefp.h>
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 	int x;
 
 	__asm__("st %%fsr,%0" : "=m" (*&x));
 	return (x >> 30) & 0x03;
 }
+DEF_WEAK(fpgetround);
diff --git a/lib/libc/hidden/ieeefp.h b/lib/libc/hidden/ieeefp.h
new file mode 100644
index 00000000000..7108eb8fb91
--- /dev/null
+++ b/lib/libc/hidden/ieeefp.h
@@ -0,0 +1,30 @@
+/*	$OpenBSD: ieeefp.h,v 1.1 2016/07/26 19:07:09 guenther Exp $	*/
+/*
+ * Copyright (c) 2016 Philip Guenther <guenther@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.
+ */
+
+#ifndef _LIBC_IEEEFP_H_
+#define _LIBC_IEEEFP_H_
+
+#include_next <ieeefp.h>
+
+PROTO_DEPRECATED(fpgetmask);
+PROTO_NORMAL(fpgetround);
+PROTO_DEPRECATED(fpgetsticky);
+PROTO_DEPRECATED(fpsetmask);
+PROTO_DEPRECATED(fpsetround);
+PROTO_DEPRECATED(fpsetsticky);
+
+#endif /* _LIBC_IEEEFP_H_ */
diff --git a/lib/libc/softfloat/fpgetround.c b/lib/libc/softfloat/fpgetround.c
index b180d415bf2..b0042bae105 100644
--- a/lib/libc/softfloat/fpgetround.c
+++ b/lib/libc/softfloat/fpgetround.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpgetround.c,v 1.6 2016/07/18 19:05:22 guenther Exp $	*/
+/*	$OpenBSD: fpgetround.c,v 1.7 2016/07/26 19:07:09 guenther Exp $	*/
 /* $NetBSD: fpgetround.c,v 1.2 2002/01/13 21:45:53 thorpej Exp $ */
 
 /*-
@@ -45,3 +45,4 @@ fpgetround(void)
 
 	return float_rounding_mode;
 }
+DEF_WEAK(fpgetround);