[Midnightbsd-cvs] src [10601] trunk/lib/msun/arm: add arm
laffer1 at midnightbsd.org
laffer1 at midnightbsd.org
Sat Jun 9 11:14:38 EDT 2018
Revision: 10601
http://svnweb.midnightbsd.org/src/?rev=10601
Author: laffer1
Date: 2018-06-09 11:14:37 -0400 (Sat, 09 Jun 2018)
Log Message:
-----------
add arm
Added Paths:
-----------
trunk/lib/msun/arm/
trunk/lib/msun/arm/Makefile.inc
trunk/lib/msun/arm/Symbol.map
trunk/lib/msun/arm/fenv-mangle.h
trunk/lib/msun/arm/fenv-softfp.c
trunk/lib/msun/arm/fenv-vfp.c
trunk/lib/msun/arm/fenv.c
trunk/lib/msun/arm/fenv.h
Added: trunk/lib/msun/arm/Makefile.inc
===================================================================
--- trunk/lib/msun/arm/Makefile.inc (rev 0)
+++ trunk/lib/msun/arm/Makefile.inc 2018-06-09 15:14:37 UTC (rev 10601)
@@ -0,0 +1,13 @@
+# $MidnightBSD$
+# $FreeBSD: stable/10/lib/msun/arm/Makefile.inc 266314 2014-05-17 14:22:37Z ian $
+
+LDBL_PREC = 53
+SYM_MAPS += ${.CURDIR}/arm/Symbol.map
+
+.if ${TARGET_ARCH} == "armv6"
+ARCH_SRCS = fenv-softfp.c fenv-vfp.c
+.endif
+
+CFLAGS.fenv-vfp.c= -mfloat-abi=softfp
+CFLAGS+= ${CFLAGS.${.IMPSRC:T}}
+
Property changes on: trunk/lib/msun/arm/Makefile.inc
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Added: trunk/lib/msun/arm/Symbol.map
===================================================================
--- trunk/lib/msun/arm/Symbol.map (rev 0)
+++ trunk/lib/msun/arm/Symbol.map 2018-06-09 15:14:37 UTC (rev 10601)
@@ -0,0 +1,16 @@
+/* $MidnightBSD$
+ * $FreeBSD: stable/10/lib/msun/arm/Symbol.map 309740 2016-12-09 17:17:37Z emaste $
+ */
+FBSD_1.0 {
+};
+
+FBSD_1.3 {
+ fesetexceptflag;
+ feraiseexcept;
+ fegetenv;
+ feholdexcept;
+ feupdateenv;
+ feenableexcept;
+ fedisableexcept;
+ fegetexcept;
+};
Property changes on: trunk/lib/msun/arm/Symbol.map
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+MidnightBSD=%H
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Added: trunk/lib/msun/arm/fenv-mangle.h
===================================================================
--- trunk/lib/msun/arm/fenv-mangle.h (rev 0)
+++ trunk/lib/msun/arm/fenv-mangle.h 2018-06-09 15:14:37 UTC (rev 10601)
@@ -0,0 +1,54 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2013 Andrew Turner <andrew at FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * $FreeBSD: stable/10/lib/msun/arm/fenv-mangle.h 266314 2014-05-17 14:22:37Z ian $
+ */
+
+#ifdef _FENV_MANGLE_H_
+#error Only include fenv-mangle.h once
+#endif
+
+#define _FENV_MANGLE_H_
+
+#ifndef FENV_MANGLE
+#error FENV_MANGLE is undefined
+#endif
+
+#define feclearexcept FENV_MANGLE(feclearexcept)
+#define fegetexceptflag FENV_MANGLE(fegetexceptflag)
+#define fesetexceptflag FENV_MANGLE(fesetexceptflag)
+#define feraiseexcept FENV_MANGLE(feraiseexcept)
+#define fetestexcept FENV_MANGLE(fetestexcept)
+#define fegetround FENV_MANGLE(fegetround)
+#define fesetround FENV_MANGLE(fesetround)
+#define fegetenv FENV_MANGLE(fegetenv)
+#define feholdexcept FENV_MANGLE(feholdexcept)
+#define fesetenv FENV_MANGLE(fesetenv)
+#define feupdateenv FENV_MANGLE(feupdateenv)
+#define feenableexcept FENV_MANGLE(feenableexcept)
+#define fedisableexcept FENV_MANGLE(fedisableexcept)
+#define fegetexcept FENV_MANGLE(fegetexcept)
+
Property changes on: trunk/lib/msun/arm/fenv-mangle.h
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Added: trunk/lib/msun/arm/fenv-softfp.c
===================================================================
--- trunk/lib/msun/arm/fenv-softfp.c (rev 0)
+++ trunk/lib/msun/arm/fenv-softfp.c 2018-06-09 15:14:37 UTC (rev 10601)
@@ -0,0 +1,33 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2013 Andrew Turner <andrew at FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * $FreeBSD: stable/10/lib/msun/arm/fenv-softfp.c 266314 2014-05-17 14:22:37Z ian $
+ */
+
+#define FENV_MANGLE(x) __softfp_ ##x
+#include "fenv-mangle.h"
+#include "fenv.c"
+
Property changes on: trunk/lib/msun/arm/fenv-softfp.c
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Added: trunk/lib/msun/arm/fenv-vfp.c
===================================================================
--- trunk/lib/msun/arm/fenv-vfp.c (rev 0)
+++ trunk/lib/msun/arm/fenv-vfp.c 2018-06-09 15:14:37 UTC (rev 10601)
@@ -0,0 +1,34 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2013 Andrew Turner <andrew at FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * $FreeBSD: stable/10/lib/msun/arm/fenv-vfp.c 266314 2014-05-17 14:22:37Z ian $
+ */
+
+#define FENV_MANGLE(x) __vfp_ ##x
+#include "fenv-mangle.h"
+#define __ARM_PCS_VFP
+#include "fenv.c"
+
Property changes on: trunk/lib/msun/arm/fenv-vfp.c
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Added: trunk/lib/msun/arm/fenv.c
===================================================================
--- trunk/lib/msun/arm/fenv.c (rev 0)
+++ trunk/lib/msun/arm/fenv.c 2018-06-09 15:14:37 UTC (rev 10601)
@@ -0,0 +1,318 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2004 David Schultz <das at FreeBSD.ORG>
+ * Copyright (c) 2013 Andrew Turner <andrew at FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * $FreeBSD: stable/10/lib/msun/arm/fenv.c 273827 2014-10-29 16:24:02Z andrew $
+ */
+
+#define __fenv_static
+#include "fenv.h"
+
+#include <machine/acle-compat.h>
+
+#if __ARM_ARCH >= 6
+#define FENV_ARMv6
+#endif
+
+/* When SOFTFP_ABI is defined we are using the softfp ABI. */
+#if defined(__VFP_FP__) && !defined(__ARM_PCS_VFP)
+#define SOFTFP_ABI
+#endif
+
+
+#ifndef FENV_MANGLE
+/*
+ * Hopefully the system ID byte is immutable, so it's valid to use
+ * this as a default environment.
+ */
+const fenv_t __fe_dfl_env = 0;
+#endif
+
+
+/* If this is a non-mangled softfp version special processing is required */
+#if defined(FENV_MANGLE) || !defined(SOFTFP_ABI) || !defined(FENV_ARMv6)
+
+/*
+ * The following macros map between the softfloat emulator's flags and
+ * the hardware's FPSR. The hardware this file was written for doesn't
+ * have rounding control bits, so we stick those in the system ID byte.
+ */
+#ifndef __ARM_PCS_VFP
+#define __set_env(env, flags, mask, rnd) env = ((flags) \
+ | (mask)<<_FPUSW_SHIFT \
+ | (rnd) << 24)
+#define __env_flags(env) ((env) & FE_ALL_EXCEPT)
+#define __env_mask(env) (((env) >> _FPUSW_SHIFT) \
+ & FE_ALL_EXCEPT)
+#define __env_round(env) (((env) >> 24) & _ROUND_MASK)
+#include "fenv-softfloat.h"
+#endif
+
+#ifdef __GNUC_GNU_INLINE__
+#error "This file must be compiled with C99 'inline' semantics"
+#endif
+
+extern inline int feclearexcept(int __excepts);
+extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
+extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+extern inline int feraiseexcept(int __excepts);
+extern inline int fetestexcept(int __excepts);
+extern inline int fegetround(void);
+extern inline int fesetround(int __round);
+extern inline int fegetenv(fenv_t *__envp);
+extern inline int feholdexcept(fenv_t *__envp);
+extern inline int fesetenv(const fenv_t *__envp);
+extern inline int feupdateenv(const fenv_t *__envp);
+extern inline int feenableexcept(int __mask);
+extern inline int fedisableexcept(int __mask);
+extern inline int fegetexcept(void);
+
+#else /* !FENV_MANGLE && SOFTFP_ABI */
+/* Set by libc when the VFP unit is enabled */
+extern int _libc_arm_fpu_present;
+
+int __softfp_feclearexcept(int __excepts);
+int __softfp_fegetexceptflag(fexcept_t *__flagp, int __excepts);
+int __softfp_fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+int __softfp_feraiseexcept(int __excepts);
+int __softfp_fetestexcept(int __excepts);
+int __softfp_fegetround(void);
+int __softfp_fesetround(int __round);
+int __softfp_fegetenv(fenv_t *__envp);
+int __softfp_feholdexcept(fenv_t *__envp);
+int __softfp_fesetenv(const fenv_t *__envp);
+int __softfp_feupdateenv(const fenv_t *__envp);
+int __softfp_feenableexcept(int __mask);
+int __softfp_fedisableexcept(int __mask);
+int __softfp_fegetexcept(void);
+
+int __vfp_feclearexcept(int __excepts);
+int __vfp_fegetexceptflag(fexcept_t *__flagp, int __excepts);
+int __vfp_fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+int __vfp_feraiseexcept(int __excepts);
+int __vfp_fetestexcept(int __excepts);
+int __vfp_fegetround(void);
+int __vfp_fesetround(int __round);
+int __vfp_fegetenv(fenv_t *__envp);
+int __vfp_feholdexcept(fenv_t *__envp);
+int __vfp_fesetenv(const fenv_t *__envp);
+int __vfp_feupdateenv(const fenv_t *__envp);
+int __vfp_feenableexcept(int __mask);
+int __vfp_fedisableexcept(int __mask);
+int __vfp_fegetexcept(void);
+
+static int
+__softfp_round_to_vfp(int round)
+{
+
+ switch (round) {
+ case FE_TONEAREST:
+ default:
+ return VFP_FE_TONEAREST;
+ case FE_TOWARDZERO:
+ return VFP_FE_TOWARDZERO;
+ case FE_UPWARD:
+ return VFP_FE_UPWARD;
+ case FE_DOWNWARD:
+ return VFP_FE_DOWNWARD;
+ }
+}
+
+static int
+__softfp_round_from_vfp(int round)
+{
+
+ switch (round) {
+ case VFP_FE_TONEAREST:
+ default:
+ return FE_TONEAREST;
+ case VFP_FE_TOWARDZERO:
+ return FE_TOWARDZERO;
+ case VFP_FE_UPWARD:
+ return FE_UPWARD;
+ case VFP_FE_DOWNWARD:
+ return FE_DOWNWARD;
+ }
+}
+
+int feclearexcept(int __excepts)
+{
+
+ if (_libc_arm_fpu_present)
+ __vfp_feclearexcept(__excepts);
+ __softfp_feclearexcept(__excepts);
+
+ return (0);
+}
+
+int fegetexceptflag(fexcept_t *__flagp, int __excepts)
+{
+ fexcept_t __vfp_flagp;
+
+ __vfp_flagp = 0;
+ if (_libc_arm_fpu_present)
+ __vfp_fegetexceptflag(&__vfp_flagp, __excepts);
+ __softfp_fegetexceptflag(__flagp, __excepts);
+
+ *__flagp |= __vfp_flagp;
+
+ return (0);
+}
+
+int fesetexceptflag(const fexcept_t *__flagp, int __excepts)
+{
+
+ if (_libc_arm_fpu_present)
+ __vfp_fesetexceptflag(__flagp, __excepts);
+ __softfp_fesetexceptflag(__flagp, __excepts);
+
+ return (0);
+}
+
+int feraiseexcept(int __excepts)
+{
+
+ if (_libc_arm_fpu_present)
+ __vfp_feraiseexcept(__excepts);
+ __softfp_feraiseexcept(__excepts);
+
+ return (0);
+}
+
+int fetestexcept(int __excepts)
+{
+ int __got_excepts;
+
+ __got_excepts = 0;
+ if (_libc_arm_fpu_present)
+ __got_excepts = __vfp_fetestexcept(__excepts);
+ __got_excepts |= __softfp_fetestexcept(__excepts);
+
+ return (__got_excepts);
+}
+
+int fegetround(void)
+{
+
+ if (_libc_arm_fpu_present)
+ return __softfp_round_from_vfp(__vfp_fegetround());
+ return __softfp_fegetround();
+}
+
+int fesetround(int __round)
+{
+
+ if (_libc_arm_fpu_present)
+ __vfp_fesetround(__softfp_round_to_vfp(__round));
+ __softfp_fesetround(__round);
+
+ return (0);
+}
+
+int fegetenv(fenv_t *__envp)
+{
+ fenv_t __vfp_envp;
+
+ __vfp_envp = 0;
+ if (_libc_arm_fpu_present)
+ __vfp_fegetenv(&__vfp_envp);
+ __softfp_fegetenv(__envp);
+ *__envp |= __vfp_envp;
+
+ return (0);
+}
+
+int feholdexcept(fenv_t *__envp)
+{
+ fenv_t __vfp_envp;
+
+ __vfp_envp = 0;
+ if (_libc_arm_fpu_present)
+ __vfp_feholdexcept(&__vfp_envp);
+ __softfp_feholdexcept(__envp);
+ *__envp |= __vfp_envp;
+
+ return (0);
+}
+
+int fesetenv(const fenv_t *__envp)
+{
+
+ if (_libc_arm_fpu_present)
+ __vfp_fesetenv(__envp);
+ __softfp_fesetenv(__envp);
+
+ return (0);
+}
+
+int feupdateenv(const fenv_t *__envp)
+{
+
+ if (_libc_arm_fpu_present)
+ __vfp_feupdateenv(__envp);
+ __softfp_feupdateenv(__envp);
+
+ return (0);
+}
+
+int feenableexcept(int __mask)
+{
+ int __unmasked;
+
+ __unmasked = 0;
+ if (_libc_arm_fpu_present)
+ __unmasked = __vfp_feenableexcept(__mask);
+ __unmasked |= __softfp_feenableexcept(__mask);
+
+ return (__unmasked);
+}
+
+int fedisableexcept(int __mask)
+{
+ int __unmasked;
+
+ __unmasked = 0;
+ if (_libc_arm_fpu_present)
+ __unmasked = __vfp_fedisableexcept(__mask);
+ __unmasked |= __softfp_fedisableexcept(__mask);
+
+ return (__unmasked);
+}
+
+int fegetexcept(void)
+{
+ int __unmasked;
+
+ __unmasked = 0;
+ if (_libc_arm_fpu_present)
+ __unmasked = __vfp_fegetexcept();
+ __unmasked |= __softfp_fegetexcept();
+
+ return (__unmasked);
+}
+
+#endif
+
Property changes on: trunk/lib/msun/arm/fenv.c
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Added: svn:eol-style
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Added: trunk/lib/msun/arm/fenv.h
===================================================================
--- trunk/lib/msun/arm/fenv.h (rev 0)
+++ trunk/lib/msun/arm/fenv.h 2018-06-09 15:14:37 UTC (rev 10601)
@@ -0,0 +1,268 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2004-2005 David Schultz <das at FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * $FreeBSD: stable/10/lib/msun/arm/fenv.h 266314 2014-05-17 14:22:37Z ian $
+ */
+
+#ifndef _FENV_H_
+#define _FENV_H_
+
+#include <sys/_types.h>
+
+#ifndef __fenv_static
+#define __fenv_static static
+#endif
+
+typedef __uint32_t fenv_t;
+typedef __uint32_t fexcept_t;
+
+/* Exception flags */
+#define FE_INVALID 0x0001
+#define FE_DIVBYZERO 0x0002
+#define FE_OVERFLOW 0x0004
+#define FE_UNDERFLOW 0x0008
+#define FE_INEXACT 0x0010
+#ifdef __ARM_PCS_VFP
+#define FE_DENORMAL 0x0080
+#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \
+ FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW | FE_DENORMAL)
+#else
+#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \
+ FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
+#endif
+
+/* Rounding modes */
+#define VFP_FE_TONEAREST 0x00000000
+#define VFP_FE_UPWARD 0x00400000
+#define VFP_FE_DOWNWARD 0x00800000
+#define VFP_FE_TOWARDZERO 0x00c00000
+
+#ifdef __ARM_PCS_VFP
+#define FE_TONEAREST VFP_FE_TONEAREST
+#define FE_UPWARD VFP_FE_UPWARD
+#define FE_DOWNWARD VFP_FE_DOWNWARD
+#define FE_TOWARDZERO VFP_FE_TOWARDZERO
+#else
+#define FE_TONEAREST 0x0000
+#define FE_TOWARDZERO 0x0001
+#define FE_UPWARD 0x0002
+#define FE_DOWNWARD 0x0003
+#endif
+#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
+ FE_UPWARD | FE_TOWARDZERO)
+__BEGIN_DECLS
+
+/* Default floating-point environment */
+extern const fenv_t __fe_dfl_env;
+#define FE_DFL_ENV (&__fe_dfl_env)
+
+/* We need to be able to map status flag positions to mask flag positions */
+#ifndef __ARM_PCS_VFP
+#define _FPUSW_SHIFT 16
+#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT)
+#endif
+
+#ifndef __ARM_PCS_VFP
+
+int feclearexcept(int __excepts);
+int fegetexceptflag(fexcept_t *__flagp, int __excepts);
+int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+int feraiseexcept(int __excepts);
+int fetestexcept(int __excepts);
+int fegetround(void);
+int fesetround(int __round);
+int fegetenv(fenv_t *__envp);
+int feholdexcept(fenv_t *__envp);
+int fesetenv(const fenv_t *__envp);
+int feupdateenv(const fenv_t *__envp);
+#if __BSD_VISIBLE
+int feenableexcept(int __mask);
+int fedisableexcept(int __mask);
+int fegetexcept(void);
+#endif
+
+#else /* __ARM_PCS_VFP */
+
+#define vmrs_fpscr(__r) __asm __volatile("vmrs %0, fpscr" : "=&r"(__r))
+#define vmsr_fpscr(__r) __asm __volatile("vmsr fpscr, %0" : : "r"(__r))
+
+#define _FPU_MASK_SHIFT 8
+
+__fenv_static inline int
+feclearexcept(int __excepts)
+{
+ fexcept_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ __fpsr &= ~__excepts;
+ vmsr_fpscr(__fpsr);
+ return (0);
+}
+
+__fenv_static inline int
+fegetexceptflag(fexcept_t *__flagp, int __excepts)
+{
+ fexcept_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ *__flagp = __fpsr & __excepts;
+ return (0);
+}
+
+__fenv_static inline int
+fesetexceptflag(const fexcept_t *__flagp, int __excepts)
+{
+ fexcept_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ __fpsr &= ~__excepts;
+ __fpsr |= *__flagp & __excepts;
+ vmsr_fpscr(__fpsr);
+ return (0);
+}
+
+__fenv_static inline int
+feraiseexcept(int __excepts)
+{
+ fexcept_t __ex = __excepts;
+
+ fesetexceptflag(&__ex, __excepts); /* XXX */
+ return (0);
+}
+
+__fenv_static inline int
+fetestexcept(int __excepts)
+{
+ fexcept_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ return (__fpsr & __excepts);
+}
+
+__fenv_static inline int
+fegetround(void)
+{
+ fenv_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ return (__fpsr & _ROUND_MASK);
+}
+
+__fenv_static inline int
+fesetround(int __round)
+{
+ fenv_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ __fpsr &= ~(_ROUND_MASK);
+ __fpsr |= __round;
+ vmsr_fpscr(__fpsr);
+ return (0);
+}
+
+__fenv_static inline int
+fegetenv(fenv_t *__envp)
+{
+
+ vmrs_fpscr(*__envp);
+ return (0);
+}
+
+__fenv_static inline int
+feholdexcept(fenv_t *__envp)
+{
+ fenv_t __env;
+
+ vmrs_fpscr(__env);
+ *__envp = __env;
+ __env &= ~(FE_ALL_EXCEPT);
+ vmsr_fpscr(__env);
+ return (0);
+}
+
+__fenv_static inline int
+fesetenv(const fenv_t *__envp)
+{
+
+ vmsr_fpscr(*__envp);
+ return (0);
+}
+
+__fenv_static inline int
+feupdateenv(const fenv_t *__envp)
+{
+ fexcept_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ vmsr_fpscr(*__envp);
+ feraiseexcept(__fpsr & FE_ALL_EXCEPT);
+ return (0);
+}
+
+#if __BSD_VISIBLE
+
+/* We currently provide no external definitions of the functions below. */
+
+__fenv_static inline int
+feenableexcept(int __mask)
+{
+ fenv_t __old_fpsr, __new_fpsr;
+
+ vmrs_fpscr(__old_fpsr);
+ __new_fpsr = __old_fpsr |
+ ((__mask & FE_ALL_EXCEPT) << _FPU_MASK_SHIFT);
+ vmsr_fpscr(__new_fpsr);
+ return ((__old_fpsr >> _FPU_MASK_SHIFT) & FE_ALL_EXCEPT);
+}
+
+__fenv_static inline int
+fedisableexcept(int __mask)
+{
+ fenv_t __old_fpsr, __new_fpsr;
+
+ vmrs_fpscr(__old_fpsr);
+ __new_fpsr = __old_fpsr &
+ ~((__mask & FE_ALL_EXCEPT) << _FPU_MASK_SHIFT);
+ vmsr_fpscr(__new_fpsr);
+ return ((__old_fpsr >> _FPU_MASK_SHIFT) & FE_ALL_EXCEPT);
+}
+
+__fenv_static inline int
+fegetexcept(void)
+{
+ fenv_t __fpsr;
+
+ vmrs_fpscr(__fpsr);
+ return (__fpsr & FE_ALL_EXCEPT);
+}
+
+#endif /* __BSD_VISIBLE */
+
+#endif /* __ARM_PCS_VFP */
+
+__END_DECLS
+
+#endif /* !_FENV_H_ */
Property changes on: trunk/lib/msun/arm/fenv.h
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+native
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