[PATCH] Adding fenv support arm.
Eshan Dhawan
eshandhawan51 at gmail.com
Mon May 25 16:49:58 UTC 2020
Hello,
I ran the script and made a few changes
but there are errors in the soft float.
I have attached the logs with the mail.
the error is coming due to no definition of the function
__softfloat_float_raise
I searched in freebsd for the definition but couldn't find any thing.
Thanks
-eshan
On Sat, May 23, 2020 at 11:27 PM Eshan Dhawan <eshandhawan51 at gmail.com>
wrote:
> Hello Dr Joel,
> I ran the script, The logs show error in soft float variants and don't
> show there exe files as well.
> I have attached the log file.
>
> Thanks
> -Eshan
>
> On Sat, May 23, 2020 at 10:29 PM Joel Sherrill <joel at rtems.org> wrote:
>
>> This is both a holiday weekend and my birthday weekend. I won't get a
>> chance to review this for a bit.
>>
>> But I am attaching a simple shell script and test program which iterates
>> over all multilib variants, compiles a simple program which should end up
>> linking against every multilib variant. If the script looks right, then
>> this should prove useful in the future.
>>
>> Please check that the right set of exe's for the various multilib options
>> is generated and the fenv code is code for each. My parsing of the multilib
>> variants from gcc needs a double check.
>>
>> On Fri, May 22, 2020 at 6:36 PM Eshan dhawan <eshandhawan51 at gmail.com>
>> wrote:
>>
>>> This patch adds FENV support for ARM
>>>
>>> The code is ported from FreeBSD.
>>>
>>> Signed-off-by: Eshan dhawan <eshandhawan51 at gmail.com>
>>> ---
>>> newlib/libc/machine/arm/machine/acle-compat.h | 182 ++++++++++
>>> newlib/libc/machine/arm/machine/fenv-mangle.h | 53 +++
>>> .../libc/machine/arm/machine/fenv-softfloat.h | 187 ++++++++++
>>> newlib/libc/machine/arm/machine/fenv-vfp.h | 187 ++++++++++
>>> newlib/libc/machine/arm/sys/fenv.h | 122 +++++++
>>> newlib/libm/machine/arm/Makefile.am | 18 +-
>>> newlib/libm/machine/arm/Makefile.in | 174 +++++++++-
>>> newlib/libm/machine/arm/fe_dfl_env.c | 7 +
>>> newlib/libm/machine/arm/feclearexcept.c | 7 +
>>> newlib/libm/machine/arm/fegetenv.c | 7 +
>>> newlib/libm/machine/arm/fegetexceptflag.c | 7 +
>>> newlib/libm/machine/arm/fegetround.c | 7 +
>>> newlib/libm/machine/arm/feholdexcept.c | 7 +
>>> newlib/libm/machine/arm/fenv-softfp.c | 32 ++
>>> newlib/libm/machine/arm/fenv-vfp.c | 32 ++
>>> newlib/libm/machine/arm/fenv.c | 328 ++++++++++++++++++
>>> newlib/libm/machine/arm/feraiseexcept.c | 7 +
>>> newlib/libm/machine/arm/fesetenv.c | 7 +
>>> newlib/libm/machine/arm/fesetexceptflag.c | 7 +
>>> newlib/libm/machine/arm/fesetround.c | 7 +
>>> newlib/libm/machine/arm/fetestexcept.c | 7 +
>>> newlib/libm/machine/arm/feupdateenv.c | 7 +
>>> 22 files changed, 1380 insertions(+), 19 deletions(-)
>>> create mode 100644 newlib/libc/machine/arm/machine/acle-compat.h
>>> create mode 100644 newlib/libc/machine/arm/machine/fenv-mangle.h
>>> create mode 100644 newlib/libc/machine/arm/machine/fenv-softfloat.h
>>> create mode 100644 newlib/libc/machine/arm/machine/fenv-vfp.h
>>> create mode 100644 newlib/libc/machine/arm/sys/fenv.h
>>> create mode 100644 newlib/libm/machine/arm/fe_dfl_env.c
>>> create mode 100644 newlib/libm/machine/arm/feclearexcept.c
>>> create mode 100644 newlib/libm/machine/arm/fegetenv.c
>>> create mode 100644 newlib/libm/machine/arm/fegetexceptflag.c
>>> create mode 100644 newlib/libm/machine/arm/fegetround.c
>>> create mode 100644 newlib/libm/machine/arm/feholdexcept.c
>>> create mode 100644 newlib/libm/machine/arm/fenv-softfp.c
>>> create mode 100644 newlib/libm/machine/arm/fenv-vfp.c
>>> create mode 100644 newlib/libm/machine/arm/fenv.c
>>> create mode 100644 newlib/libm/machine/arm/feraiseexcept.c
>>> create mode 100644 newlib/libm/machine/arm/fesetenv.c
>>> create mode 100644 newlib/libm/machine/arm/fesetexceptflag.c
>>> create mode 100644 newlib/libm/machine/arm/fesetround.c
>>> create mode 100644 newlib/libm/machine/arm/fetestexcept.c
>>> create mode 100644 newlib/libm/machine/arm/feupdateenv.c
>>>
>>> diff --git a/newlib/libc/machine/arm/machine/acle-compat.h
>>> b/newlib/libc/machine/arm/machine/acle-compat.h
>>> new file mode 100644
>>> index 000000000..888ae2ea8
>>> --- /dev/null
>>> +++ b/newlib/libc/machine/arm/machine/acle-compat.h
>>> @@ -0,0 +1,182 @@
>>> +/*
>>> + * Copyright (c) 2014 ARM Ltd
>>> + * 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.
>>> + * 3. The name of the company may not be used to endorse or promote
>>> + * products derived from this software without specific prior written
>>> + * permission.
>>> + *
>>> + * THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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.
>>> + */
>>> +
>>> +#ifndef __ARM_ARCH
>>> +
>>> +/* ACLE standardises a set of pre-defines that describe the ARM
>>> architecture.
>>> + These were mostly implemented in GCC around GCC-4.8; older versions
>>> + have no, or only partial support. To provide a level of backwards
>>> + compatibility we try to work out what the definitions should be,
>>> given
>>> + the older pre-defines that GCC did produce. This isn't complete, but
>>> + it should be enough for use by routines that depend on this header.
>>> */
>>> +
>>> +/* No need to handle ARMv8, GCC had ACLE support before that. */
>>> +
>>> +# ifdef __ARM_ARCH_7__
>>> +/* The common subset of ARMv7 in all profiles. */
>>> +# define __ARM_ARCH 7
>>> +# define __ARM_ARCH_ISA_THUMB 2
>>> +# define __ARM_FEATURE_CLZ
>>> +# define __ARM_FEATURE_LDREX 7
>>> +# define __ARM_FEATURE_UNALIGNED
>>> +# endif
>>> +
>>> +# if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__)
>>> +# define __ARM_ARCH 7
>>> +# define __ARM_ARCH_ISA_THUMB 2
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# define __ARM_FEATURE_CLZ
>>> +# define __ARM_FEATURE_SIMD32
>>> +# define __ARM_FEATURE_DSP
>>> +# define __ARM_FEATURE_QBIT
>>> +# define __ARM_FEATURE_SAT
>>> +# define __ARM_FEATURE_LDREX 15
>>> +# define __ARM_FEATURE_UNALIGNED
>>> +# ifdef __ARM_ARCH_7A__
>>> +# define __ARM_ARCH_PROFILE 'A'
>>> +# else
>>> +# define __ARM_ARCH_PROFILE 'R'
>>> +# endif
>>> +# endif
>>> +
>>> +# ifdef __ARM_ARCH_7EM__
>>> +# define __ARM_ARCH 7
>>> +# define __ARM_ARCH_ISA_THUMB 2
>>> +# define __ARM_FEATURE_CLZ
>>> +# define __ARM_FEATURE_SIMD32
>>> +# define __ARM_FEATURE_DSP
>>> +# define __ARM_FEATURE_QBIT
>>> +# define __ARM_FEATURE_SAT
>>> +# define __ARM_FEATURE_LDREX 7
>>> +# define __ARM_FEATURE_UNALIGNED
>>> +# define __ARM_ARCH_PROFILE 'M'
>>> +# endif
>>> +
>>> +# ifdef __ARM_ARCH_7M__
>>> +# define __ARM_ARCH 7
>>> +# define __ARM_ARCH_ISA_THUMB 2
>>> +# define __ARM_FEATURE_CLZ
>>> +# define __ARM_FEATURE_QBIT
>>> +# define __ARM_FEATURE_SAT
>>> +# define __ARM_FEATURE_LDREX 7
>>> +# define __ARM_FEATURE_UNALIGNED
>>> +# define __ARM_ARCH_PROFILE 'M'
>>> +# endif
>>> +
>>> +# ifdef __ARM_ARCH_6T2__
>>> +# define __ARM_ARCH 6
>>> +# define __ARM_ARCH_ISA_THUMB 2
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# define __ARM_FEATURE_CLZ
>>> +# define __ARM_FEATURE_SIMD32
>>> +# define __ARM_FEATURE_DSP
>>> +# define __ARM_FEATURE_QBIT
>>> +# define __ARM_FEATURE_SAT
>>> +# define __ARM_FEATURE_LDREX 4
>>> +# define __ARM_FEATURE_UNALIGNED
>>> +# endif
>>> +
>>> +# ifdef __ARM_ARCH_6M__
>>> +# define __ARM_ARCH 6
>>> +# define __ARM_ARCH_ISA_THUMB 1
>>> +# define __ARM_ARCH_PROFILE 'M'
>>> +# endif
>>> +
>>> +# if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) \
>>> + || defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6Z__) \
>>> + || defined (__ARM_ARCH_6ZK__)
>>> +# define __ARM_ARCH 6
>>> +# define __ARM_ARCH_ISA_THUMB 1
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# define __ARM_FEATURE_CLZ
>>> +# define __ARM_FEATURE_SIMD32
>>> +# define __ARM_FEATURE_DSP
>>> +# define __ARM_FEATURE_QBIT
>>> +# define __ARM_FEATURE_SAT
>>> +# define __ARM_FEATURE_UNALIGNED
>>> +# ifndef __thumb__
>>> +# if defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6ZK__)
>>> +# define __ARM_FEATURE_LDREX 15
>>> +# else
>>> +# define __ARM_FEATURE_LDREX 4
>>> +# endif
>>> +# endif
>>> +# endif
>>> +
>>> +# if defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5E__)
>>> +# define __ARM_ARCH 5
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# ifdef __ARM_ARCH_5TE__
>>> +# define __ARM_ARCH_ISA_THUMB 1
>>> +# endif
>>> +# define __ARM_FEATURE_CLZ
>>> +# define __ARM_FEATURE_DSP
>>> +# endif
>>> +
>>> +# if defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5__)
>>> +# define __ARM_ARCH 5
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# ifdef __ARM_ARCH_5TE__
>>> +# define __ARM_ARCH_ISA_THUMB 1
>>> +# endif
>>> +# define __ARM_FEATURE_CLZ
>>> +# endif
>>> +
>>> +# ifdef __ARM_ARCH_4T__
>>> +# define __ARM_ARCH 4
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# define __ARM_ARCH_ISA_THUMB 1
>>> +# endif
>>> +
>>> +# ifdef __ARM_ARCH_4__
>>> +# define __ARM_ARCH 4
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# endif
>>> +
>>> +# if defined (__ARM_ARCH_3__) || defined (__ARM_ARCH_3M__)
>>> +# define __ARM_ARCH 3
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# endif
>>> +
>>> +# ifdef __ARM_ARCH_2__
>>> +# define __ARM_ARCH 2
>>> +# define __ARM_ARCH_ISA_ARM
>>> +# endif
>>> +
>>> +# ifdef __ARMEB__
>>> +# define __ARM_BIG_ENDIAN
>>> +# endif
>>> +
>>> +/* If we still don't know what the target architecture is, then we're
>>> + probably not using GCC. */
>>> +# ifndef __ARM_ARCH
>>> +# error Unable to determine architecture version.
>>> +# endif
>>> +
>>> +#endif /* __ARM_ARCH */
>>> +
>>> diff --git a/newlib/libc/machine/arm/machine/fenv-mangle.h
>>> b/newlib/libc/machine/arm/machine/fenv-mangle.h
>>> new file mode 100644
>>> index 000000000..476f7b20c
>>> --- /dev/null
>>> +++ b/newlib/libc/machine/arm/machine/fenv-mangle.h
>>> @@ -0,0 +1,53 @@
>>> +/*-
>>> + * 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.
>>> + *
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +#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)
>>> +
>>> diff --git a/newlib/libc/machine/arm/machine/fenv-softfloat.h
>>> b/newlib/libc/machine/arm/machine/fenv-softfloat.h
>>> new file mode 100644
>>> index 000000000..e53e54f54
>>> --- /dev/null
>>> +++ b/newlib/libc/machine/arm/machine/fenv-softfloat.h
>>> @@ -0,0 +1,187 @@
>>> + /*-
>>> + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
>>> + *
>>> + * Copyright (c) 2004-2011 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.
>>> + *
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +#ifndef _SYS_FENV_H_
>>> +#error "This file is meant to be included only by <sys/fenv.h>."
>>> +#endif
>>> +/* the file can be added from architecture specific fenv.h file found
>>> in
>>> + *libc/sys/arch/sys *
>>> + *
>>> + * This file implements the functionality of <fenv.h> on platforms that
>>> + * lack an FPU and use softfloat in libc for floating point. To use it,
>>> + * you must write an <fenv.h> that provides the following:
>>> + *
>>> + * - a typedef for fenv_t, which may be an integer or struct type
>>> + * - a typedef for fexcept_t (XXX This file assumes fexcept_t is a
>>> + * simple integer type containing the exception mask.)
>>> + * - definitions of FE_* constants for the five exceptions and four
>>> + * rounding modes in IEEE 754, as described in fenv(3)
>>> + * - a definition, and the corresponding external symbol, for
>>> FE_DFL_ENV
>>> + * - a macro __set_env(env, flags, mask, rnd), which sets the given
>>> fenv_t
>>> + * from the exception flags, mask, and rounding mode
>>> + * - macros __env_flags(env), __env_mask(env), and __env_round(env),
>>> which
>>> + * extract fields from an fenv_t
>>> + * - a definition of __fenv_static
>>> + *
>>> + * If the architecture supports an optional FPU, it's recommended that
>>> you
>>> + * define fenv_t and fexcept_t to match the hardware ABI. Otherwise, it
>>> + * doesn't matter how you define them.
>>> + */
>>> +
>>> +extern int __softfloat_float_exception_flags;
>>> +extern int __softfloat_float_exception_mask;
>>> +extern int __softfloat_float_rounding_mode;
>>> +void __softfloat_float_raise(int);
>>> +
>>> +__fenv_static inline int
>>> +feclearexcept(int excepts)
>>> +{
>>> +
>>> + __softfloat_float_exception_flags &= ~excepts;
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fegetexceptflag(fexcept_t *flagp, int excepts)
>>> +{
>>> +
>>> + *flagp = __softfloat_float_exception_flags & excepts;
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fesetexceptflag(const fexcept_t *flagp, int excepts)
>>> +{
>>> +
>>> + __softfloat_float_exception_flags &= ~excepts;
>>> + __softfloat_float_exception_flags |= *flagp & excepts;
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +feraiseexcept(int excepts)
>>> +{
>>> +
>>> + __softfloat_float_raise(excepts);
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fetestexcept(int excepts)
>>> +{
>>> +
>>> + return (__softfloat_float_exception_flags & excepts);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fegetround(void)
>>> +{
>>> +
>>> + return (__softfloat_float_rounding_mode);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fesetround(int round)
>>> +{
>>> +
>>> + __softfloat_float_rounding_mode = round;
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fegetenv(fenv_t *envp)
>>> +{
>>> +
>>> + __set_env(*envp, __softfloat_float_exception_flags,
>>> + __softfloat_float_exception_mask,
>>> __softfloat_float_rounding_mode);
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +feholdexcept(fenv_t *envp)
>>> +{
>>> + fenv_t __env;
>>> +
>>> + fegetenv(envp);
>>> + __softfloat_float_exception_flags = 0;
>>> + __softfloat_float_exception_mask = 0;
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fesetenv(const fenv_t *envp)
>>> +{
>>> +
>>> + __softfloat_float_exception_flags = __env_flags(*envp);
>>> + __softfloat_float_exception_mask = __env_mask(*envp);
>>> + __softfloat_float_rounding_mode = __env_round(*envp);
>>> + return (0);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +feupdateenv(const fenv_t *envp)
>>> +{
>>> + int __oflags = __softfloat_float_exception_flags;
>>> +
>>> + fesetenv(envp);
>>> + feraiseexcept(__oflags);
>>> + return (0);
>>> +}
>>> +
>>> +#if __BSD_VISIBLE
>>> +
>>> +/* We currently provide no external definitions of the functions below.
>>> */
>>> +
>>> +__fenv_static inline int
>>> +feenableexcept(int __mask)
>>> +{
>>> + int __omask = __softfloat_float_exception_mask;
>>> +
>>> + __softfloat_float_exception_mask |= __mask;
>>> + return (__omask);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fedisableexcept(int __mask)
>>> +{
>>> + int __omask = __softfloat_float_exception_mask;
>>> +
>>> + __softfloat_float_exception_mask &= ~__mask;
>>> + return (__omask);
>>> +}
>>> +
>>> +__fenv_static inline int
>>> +fegetexcept(void)
>>> +{
>>> +
>>> + return (__softfloat_float_exception_mask);
>>> +}
>>> +
>>> +#endif /* __BSD_VISIBLE */
>>> diff --git a/newlib/libc/machine/arm/machine/fenv-vfp.h
>>> b/newlib/libc/machine/arm/machine/fenv-vfp.h
>>> new file mode 100644
>>> index 000000000..25d71f3ab
>>> --- /dev/null
>>> +++ b/newlib/libc/machine/arm/machine/fenv-vfp.h
>>> @@ -0,0 +1,187 @@
>>> +/*-
>>> + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
>>> + *
>>> + * 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.
>>> + *
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +
>>> +
>>> +#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 */
>>> +
>>> diff --git a/newlib/libc/machine/arm/sys/fenv.h
>>> b/newlib/libc/machine/arm/sys/fenv.h
>>> new file mode 100644
>>> index 000000000..af74c5f47
>>> --- /dev/null
>>> +++ b/newlib/libc/machine/arm/sys/fenv.h
>>> @@ -0,0 +1,122 @@
>>> +/*-
>>> + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
>>> + *
>>> + * 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.
>>> + *
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +#ifndef _SYS_FENV_H_
>>> +#define _SYS_FENV_H_ 1
>>> +
>>> +#include <sys/_types.h>
>>> +#include <sys/cdefs.h>
>>> +
>>> +#ifdef __cplusplus
>>> +extern "C" {
>>> +#endif
>>> +
>>> +#ifndef __fenv_static
>>> +#define __fenv_static static
>>> +#endif
>>> +
>>> +typedef int fenv_t;
>>> +typedef int 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)
>>> +
>>> +
>>> +/* 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 /* __BSD_VISIBLE */
>>> +
>>> +#endif /* __ARM_PCS_VFP */
>>> +
>>> +#ifdef __cplusplus
>>> +}
>>> +#endif
>>> +
>>> +#endif /* _SYS_FENV_H_ */
>>> diff --git a/newlib/libm/machine/arm/Makefile.am
>>> b/newlib/libm/machine/arm/Makefile.am
>>> index 1f10a7a40..a64ee59d5 100644
>>> --- a/newlib/libm/machine/arm/Makefile.am
>>> +++ b/newlib/libm/machine/arm/Makefile.am
>>> @@ -19,7 +19,23 @@ LIB_SOURCES = \
>>> sf_nearbyint.c \
>>> sf_rint.c \
>>> sf_round.c \
>>> - sf_trunc.c
>>> + sf_trunc.c \
>>> + feclearexcept.c \
>>> + fe_dfl_env.c\
>>> + fegetenv.c \
>>> + fegetexceptflag.c \
>>> + fegetround.c \
>>> + feholdexcept.c \
>>> + fenv.c \
>>> + feraiseexcept.c \
>>> + fesetenv.c \
>>> + fesetexceptflag.c \
>>> + fesetround.c \
>>> + fetestexcept.c \
>>> + feupdateenv.c \
>>> + fenv-vfp.c \
>>> + fenv-softfp.c
>>> +
>>>
>>> noinst_LIBRARIES = lib.a
>>> lib_a_SOURCES = $(LIB_SOURCES)
>>> diff --git a/newlib/libm/machine/arm/Makefile.in
>>> b/newlib/libm/machine/arm/Makefile.in
>>> index 0a5a27327..70b03df46 100644
>>> --- a/newlib/libm/machine/arm/Makefile.in
>>> +++ b/newlib/libm/machine/arm/Makefile.in
>>> @@ -1,9 +1,8 @@
>>> -# Makefile.in generated by automake 1.11.6 from Makefile.am.
>>> +# Makefile.in generated by automake 1.12.6 from Makefile.am.
>>> # @configure_input@
>>>
>>> -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
>>> -# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
>>> -# Foundation, Inc.
>>> +# Copyright (C) 1994-2012 Free Software Foundation, Inc.
>>> +
>>> # This Makefile.in is free software; the Free Software Foundation
>>> # gives unlimited permission to copy and/or distribute it,
>>> # with or without modifications, as long as this notice is preserved.
>>> @@ -54,7 +53,7 @@ build_triplet = @build@
>>> host_triplet = @host@
>>> DIST_COMMON = $(srcdir)/../../../Makefile.shared $(srcdir)/Makefile.in \
>>> $(srcdir)/Makefile.am $(top_srcdir)/configure \
>>> - $(am__configure_deps) $(srcdir)/../../../../mkinstalldirs
>>> + $(am__configure_deps) $(top_srcdir)/../../../../mkinstalldirs
>>> subdir = .
>>> ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
>>> am__aclocal_m4_deps = $(top_srcdir)/../../../acinclude.m4 \
>>> @@ -76,7 +75,15 @@ am__objects_1 = lib_a-e_sqrt.$(OBJEXT)
>>> lib_a-ef_sqrt.$(OBJEXT) \
>>> lib_a-s_round.$(OBJEXT) lib_a-s_trunc.$(OBJEXT) \
>>> lib_a-sf_ceil.$(OBJEXT) lib_a-sf_floor.$(OBJEXT) \
>>> lib_a-sf_nearbyint.$(OBJEXT) lib_a-sf_rint.$(OBJEXT) \
>>> - lib_a-sf_round.$(OBJEXT) lib_a-sf_trunc.$(OBJEXT)
>>> + lib_a-sf_round.$(OBJEXT) lib_a-sf_trunc.$(OBJEXT) \
>>> + lib_a-feclearexcept.$(OBJEXT) lib_a-fe_dfl_env.$(OBJEXT) \
>>> + lib_a-fegetenv.$(OBJEXT) lib_a-fegetexceptflag.$(OBJEXT) \
>>> + lib_a-fegetround.$(OBJEXT) lib_a-feholdexcept.$(OBJEXT) \
>>> + lib_a-fenv.$(OBJEXT) lib_a-feraiseexcept.$(OBJEXT) \
>>> + lib_a-fesetenv.$(OBJEXT) lib_a-fesetexceptflag.$(OBJEXT) \
>>> + lib_a-fesetround.$(OBJEXT) lib_a-fetestexcept.$(OBJEXT) \
>>> + lib_a-feupdateenv.$(OBJEXT) lib_a-fenv-vfp.$(OBJEXT) \
>>> + lib_a-fenv-softfp.$(OBJEXT)
>>> am_lib_a_OBJECTS = $(am__objects_1)
>>> lib_a_OBJECTS = $(am_lib_a_OBJECTS)
>>> DEFAULT_INCLUDES = -I. at am__isrc@
>>> @@ -95,6 +102,8 @@ am__can_run_installinfo = \
>>> DATA = $(noinst_DATA)
>>> ETAGS = etags
>>> CTAGS = ctags
>>> +CSCOPE = cscope
>>> +AM_RECURSIVE_TARGETS = cscope
>>> ACLOCAL = @ACLOCAL@
>>> AMTAR = @AMTAR@
>>> AR = @AR@
>>> @@ -216,7 +225,22 @@ LIB_SOURCES = \
>>> sf_nearbyint.c \
>>> sf_rint.c \
>>> sf_round.c \
>>> - sf_trunc.c
>>> + sf_trunc.c \
>>> + feclearexcept.c \
>>> + fe_dfl_env.c\
>>> + fegetenv.c \
>>> + fegetexceptflag.c \
>>> + fegetround.c \
>>> + feholdexcept.c \
>>> + fenv.c \
>>> + feraiseexcept.c \
>>> + fesetenv.c \
>>> + fesetexceptflag.c \
>>> + fesetround.c \
>>> + fetestexcept.c \
>>> + feupdateenv.c \
>>> + fenv-vfp.c \
>>> + fenv-softfp.c
>>>
>>> noinst_LIBRARIES = lib.a
>>> lib_a_SOURCES = $(LIB_SOURCES)
>>> @@ -378,6 +402,96 @@ lib_a-sf_trunc.o: sf_trunc.c
>>> lib_a-sf_trunc.obj: sf_trunc.c
>>> $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_trunc.obj `if test -f
>>> 'sf_trunc.c'; then $(CYGPATH_W) 'sf_trunc.c'; else $(CYGPATH_W)
>>> '$(srcdir)/sf_trunc.c'; fi`
>>>
>>> +lib_a-feclearexcept.o: feclearexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feclearexcept.o `test -f
>>> 'feclearexcept.c' || echo '$(srcdir)/'`feclearexcept.c
>>> +
>>> +lib_a-feclearexcept.obj: feclearexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feclearexcept.obj `if
>>> test -f 'feclearexcept.c'; then $(CYGPATH_W) 'feclearexcept.c'; else
>>> $(CYGPATH_W) '$(srcdir)/feclearexcept.c'; fi`
>>> +
>>> +lib_a-fe_dfl_env.o: fe_dfl_env.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fe_dfl_env.o `test -f
>>> 'fe_dfl_env.c' || echo '$(srcdir)/'`fe_dfl_env.c
>>> +
>>> +lib_a-fe_dfl_env.obj: fe_dfl_env.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fe_dfl_env.obj `if test
>>> -f 'fe_dfl_env.c'; then $(CYGPATH_W) 'fe_dfl_env.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fe_dfl_env.c'; fi`
>>> +
>>> +lib_a-fegetenv.o: fegetenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetenv.o `test -f
>>> 'fegetenv.c' || echo '$(srcdir)/'`fegetenv.c
>>> +
>>> +lib_a-fegetenv.obj: fegetenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetenv.obj `if test -f
>>> 'fegetenv.c'; then $(CYGPATH_W) 'fegetenv.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fegetenv.c'; fi`
>>> +
>>> +lib_a-fegetexceptflag.o: fegetexceptflag.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetexceptflag.o `test
>>> -f 'fegetexceptflag.c' || echo '$(srcdir)/'`fegetexceptflag.c
>>> +
>>> +lib_a-fegetexceptflag.obj: fegetexceptflag.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetexceptflag.obj `if
>>> test -f 'fegetexceptflag.c'; then $(CYGPATH_W) 'fegetexceptflag.c'; else
>>> $(CYGPATH_W) '$(srcdir)/fegetexceptflag.c'; fi`
>>> +
>>> +lib_a-fegetround.o: fegetround.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetround.o `test -f
>>> 'fegetround.c' || echo '$(srcdir)/'`fegetround.c
>>> +
>>> +lib_a-fegetround.obj: fegetround.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetround.obj `if test
>>> -f 'fegetround.c'; then $(CYGPATH_W) 'fegetround.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fegetround.c'; fi`
>>> +
>>> +lib_a-feholdexcept.o: feholdexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feholdexcept.o `test -f
>>> 'feholdexcept.c' || echo '$(srcdir)/'`feholdexcept.c
>>> +
>>> +lib_a-feholdexcept.obj: feholdexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feholdexcept.obj `if test
>>> -f 'feholdexcept.c'; then $(CYGPATH_W) 'feholdexcept.c'; else $(CYGPATH_W)
>>> '$(srcdir)/feholdexcept.c'; fi`
>>> +
>>> +lib_a-fenv.o: fenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv.o `test -f 'fenv.c'
>>> || echo '$(srcdir)/'`fenv.c
>>> +
>>> +lib_a-fenv.obj: fenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv.obj `if test -f
>>> 'fenv.c'; then $(CYGPATH_W) 'fenv.c'; else $(CYGPATH_W) '$(srcdir)/fenv.c';
>>> fi`
>>> +
>>> +lib_a-feraiseexcept.o: feraiseexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feraiseexcept.o `test -f
>>> 'feraiseexcept.c' || echo '$(srcdir)/'`feraiseexcept.c
>>> +
>>> +lib_a-feraiseexcept.obj: feraiseexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feraiseexcept.obj `if
>>> test -f 'feraiseexcept.c'; then $(CYGPATH_W) 'feraiseexcept.c'; else
>>> $(CYGPATH_W) '$(srcdir)/feraiseexcept.c'; fi`
>>> +
>>> +lib_a-fesetenv.o: fesetenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetenv.o `test -f
>>> 'fesetenv.c' || echo '$(srcdir)/'`fesetenv.c
>>> +
>>> +lib_a-fesetenv.obj: fesetenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetenv.obj `if test -f
>>> 'fesetenv.c'; then $(CYGPATH_W) 'fesetenv.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fesetenv.c'; fi`
>>> +
>>> +lib_a-fesetexceptflag.o: fesetexceptflag.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetexceptflag.o `test
>>> -f 'fesetexceptflag.c' || echo '$(srcdir)/'`fesetexceptflag.c
>>> +
>>> +lib_a-fesetexceptflag.obj: fesetexceptflag.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetexceptflag.obj `if
>>> test -f 'fesetexceptflag.c'; then $(CYGPATH_W) 'fesetexceptflag.c'; else
>>> $(CYGPATH_W) '$(srcdir)/fesetexceptflag.c'; fi`
>>> +
>>> +lib_a-fesetround.o: fesetround.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetround.o `test -f
>>> 'fesetround.c' || echo '$(srcdir)/'`fesetround.c
>>> +
>>> +lib_a-fesetround.obj: fesetround.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetround.obj `if test
>>> -f 'fesetround.c'; then $(CYGPATH_W) 'fesetround.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fesetround.c'; fi`
>>> +
>>> +lib_a-fetestexcept.o: fetestexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fetestexcept.o `test -f
>>> 'fetestexcept.c' || echo '$(srcdir)/'`fetestexcept.c
>>> +
>>> +lib_a-fetestexcept.obj: fetestexcept.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fetestexcept.obj `if test
>>> -f 'fetestexcept.c'; then $(CYGPATH_W) 'fetestexcept.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fetestexcept.c'; fi`
>>> +
>>> +lib_a-feupdateenv.o: feupdateenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feupdateenv.o `test -f
>>> 'feupdateenv.c' || echo '$(srcdir)/'`feupdateenv.c
>>> +
>>> +lib_a-feupdateenv.obj: feupdateenv.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feupdateenv.obj `if test
>>> -f 'feupdateenv.c'; then $(CYGPATH_W) 'feupdateenv.c'; else $(CYGPATH_W)
>>> '$(srcdir)/feupdateenv.c'; fi`
>>> +
>>> +lib_a-fenv-vfp.o: fenv-vfp.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv-vfp.o `test -f
>>> 'fenv-vfp.c' || echo '$(srcdir)/'`fenv-vfp.c
>>> +
>>> +lib_a-fenv-vfp.obj: fenv-vfp.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv-vfp.obj `if test -f
>>> 'fenv-vfp.c'; then $(CYGPATH_W) 'fenv-vfp.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fenv-vfp.c'; fi`
>>> +
>>> +lib_a-fenv-softfp.o: fenv-softfp.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv-softfp.o `test -f
>>> 'fenv-softfp.c' || echo '$(srcdir)/'`fenv-softfp.c
>>> +
>>> +lib_a-fenv-softfp.obj: fenv-softfp.c
>>> + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
>>> $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv-softfp.obj `if test
>>> -f 'fenv-softfp.c'; then $(CYGPATH_W) 'fenv-softfp.c'; else $(CYGPATH_W)
>>> '$(srcdir)/fenv-softfp.c'; fi`
>>> +
>>> ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
>>> list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
>>> unique=`for i in $$list; do \
>>> @@ -427,8 +541,32 @@ GTAGS:
>>> && $(am__cd) $(top_srcdir) \
>>> && gtags -i $(GTAGS_ARGS) "$$here"
>>>
>>> +cscope: cscope.files
>>> + test ! -s cscope.files \
>>> + || $(CSCOPE) -b -q $(AM_CSCOPEFLAGS) $(CSCOPEFLAGS) -i
>>> cscope.files $(CSCOPE_ARGS)
>>> +
>>> +clean-cscope:
>>> + -rm -f cscope.files
>>> +
>>> +cscope.files: clean-cscope cscopelist
>>> +
>>> +cscopelist: $(HEADERS) $(SOURCES) $(LISP)
>>> + list='$(SOURCES) $(HEADERS) $(LISP)'; \
>>> + case "$(srcdir)" in \
>>> + [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
>>> + *) sdir=$(subdir)/$(srcdir) ;; \
>>> + esac; \
>>> + for i in $$list; do \
>>> + if test -f "$$i"; then \
>>> + echo "$(subdir)/$$i"; \
>>> + else \
>>> + echo "$$sdir/$$i"; \
>>> + fi; \
>>> + done >> $(top_builddir)/cscope.files
>>> +
>>> distclean-tags:
>>> -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
>>> + -rm -f cscope.out cscope.in.out cscope.po.out cscope.files
>>> check-am:
>>> check: check-am
>>> all-am: Makefile $(LIBRARIES) $(DATA)
>>> @@ -537,17 +675,17 @@ uninstall-am:
>>> .MAKE: install-am install-strip
>>>
>>> .PHONY: CTAGS GTAGS all all-am am--refresh check check-am clean \
>>> - clean-generic clean-noinstLIBRARIES ctags distclean \
>>> - distclean-compile distclean-generic distclean-tags dvi dvi-am \
>>> - html html-am info info-am install install-am install-data \
>>> - install-data-am install-dvi install-dvi-am install-exec \
>>> - install-exec-am install-html install-html-am install-info \
>>> - install-info-am install-man install-pdf install-pdf-am \
>>> - install-ps install-ps-am install-strip installcheck \
>>> - installcheck-am installdirs maintainer-clean \
>>> - maintainer-clean-generic mostlyclean mostlyclean-compile \
>>> - mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
>>> - uninstall-am
>>> + clean-cscope clean-generic clean-noinstLIBRARIES cscope \
>>> + cscopelist ctags distclean distclean-compile distclean-generic \
>>> + distclean-tags dvi dvi-am html html-am info info-am install \
>>> + install-am install-data install-data-am install-dvi \
>>> + install-dvi-am install-exec install-exec-am install-html \
>>> + install-html-am install-info install-info-am install-man \
>>> + install-pdf install-pdf-am install-ps install-ps-am \
>>> + install-strip installcheck installcheck-am installdirs \
>>> + maintainer-clean maintainer-clean-generic mostlyclean \
>>> + mostlyclean-compile mostlyclean-generic pdf pdf-am ps ps-am \
>>> + tags uninstall uninstall-am
>>>
>>> objectlist.awk.in: $(noinst_LTLIBRARIES)
>>> -rm -f objectlist.awk.in
>>> diff --git a/newlib/libm/machine/arm/fe_dfl_env.c
>>> b/newlib/libm/machine/arm/fe_dfl_env.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fe_dfl_env.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/feclearexcept.c
>>> b/newlib/libm/machine/arm/feclearexcept.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/feclearexcept.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fegetenv.c
>>> b/newlib/libm/machine/arm/fegetenv.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fegetenv.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fegetexceptflag.c
>>> b/newlib/libm/machine/arm/fegetexceptflag.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fegetexceptflag.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fegetround.c
>>> b/newlib/libm/machine/arm/fegetround.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fegetround.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/feholdexcept.c
>>> b/newlib/libm/machine/arm/feholdexcept.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/feholdexcept.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fenv-softfp.c
>>> b/newlib/libm/machine/arm/fenv-softfp.c
>>> new file mode 100644
>>> index 000000000..a576cc1b2
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fenv-softfp.c
>>> @@ -0,0 +1,32 @@
>>> +/*-
>>> + * 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.
>>> + *
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +#define FENV_MANGLE(x) __softfp_ ##x
>>> +#include <machine/fenv-mangle.h>
>>> +#include "fenv.c"
>>> +
>>> diff --git a/newlib/libm/machine/arm/fenv-vfp.c
>>> b/newlib/libm/machine/arm/fenv-vfp.c
>>> new file mode 100644
>>> index 000000000..297e81296
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fenv-vfp.c
>>> @@ -0,0 +1,32 @@
>>> +/*-
>>> + * 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.
>>> + *
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +#define FENV_MANGLE(x) __vfp_ ##x
>>> +#include <machine/fenv-mangle.h>
>>> +#include "fenv.c"
>>> +
>>> diff --git a/newlib/libm/machine/arm/fenv.c
>>> b/newlib/libm/machine/arm/fenv.c
>>> new file mode 100644
>>> index 000000000..278de8633
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fenv.c
>>> @@ -0,0 +1,328 @@
>>> +/*-
>>> + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
>>> + *
>>> + * 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.
>>> + *
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +#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.
>>> + */
>>> +fenv_t __fe_dfl_env = { 0 };
>>> +
>>> +const fenv_t *_fe_dfl_env = &__fe_dfl_env;
>>> +#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 <machine/fenv-softfloat.h>
>>> +
>>> +#else /* __ARM_PCS_VFP PRESENT */
>>> +
>>> +#include <machine/fenv-vfp.h>
>>> +
>>> +#endif /* __ARM_PCS_VFP */
>>> +
>>> +#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
>>> +
>>> diff --git a/newlib/libm/machine/arm/feraiseexcept.c
>>> b/newlib/libm/machine/arm/feraiseexcept.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/feraiseexcept.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fesetenv.c
>>> b/newlib/libm/machine/arm/fesetenv.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fesetenv.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fesetexceptflag.c
>>> b/newlib/libm/machine/arm/fesetexceptflag.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fesetexceptflag.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fesetround.c
>>> b/newlib/libm/machine/arm/fesetround.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fesetround.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/fetestexcept.c
>>> b/newlib/libm/machine/arm/fetestexcept.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/fetestexcept.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> diff --git a/newlib/libm/machine/arm/feupdateenv.c
>>> b/newlib/libm/machine/arm/feupdateenv.c
>>> new file mode 100644
>>> index 000000000..8cbee7771
>>> --- /dev/null
>>> +++ b/newlib/libm/machine/arm/feupdateenv.c
>>> @@ -0,0 +1,7 @@
>>> +/*
>>> + * SPDX-License-Identifier: BSD-2-Clause
>>> + *
>>> + * (c) Copyright 2019 Joel Sherrill <joel at rtems.org>
>>> + */
>>> +
>>> +#include "../../fenv/fenv_stub.c"
>>> --
>>> 2.17.1
>>>
>>>
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/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/libm.a(lib_a-fenv.o): in function `feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/libm.a(lib_a-fenv.o): in function `feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/armv6-m/libm.a(lib_a-fenv-softfp.o): in function `__softfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/armv6-m/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/armv6-m/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/armv6-m/libm.a(lib_a-fenv-vfp.o): in function `__vfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/armv6-m/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/armv6-m/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/armv7-a/libm.a(lib_a-fenv-softfp.o): in function `__softfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-a/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-a/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/armv7-a/libm.a(lib_a-fenv-vfp.o): in function `__vfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-a/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-a/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/armv7-r/libm.a(lib_a-fenv-softfp.o): in function `__softfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/armv7-r/libm.a(lib_a-fenv-vfp.o): in function `__vfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/cortex-m3/libm.a(lib_a-fenv-softfp.o): in function `__softfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m3/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m3/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/cortex-m3/libm.a(lib_a-fenv-vfp.o): in function `__vfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m3/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m3/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/cortex-m4/libm.a(lib_a-fenv-softfp.o): in function `__softfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m4/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m4/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/thumb/cortex-m4/libm.a(lib_a-fenv-vfp.o): in function `__vfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m4/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/thumb/cortex-m4/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/eb/thumb/armv7-r/libm.a(lib_a-fenv-softfp.o): in function `__softfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/eb/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/eb/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/lib/eb/thumb/armv7-r/libm.a(lib_a-fenv-vfp.o): in function `__vfp_feraiseexcept':
/home/eshan/development/newlib/5/arm-rtems5/eb/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: /home/eshan/development/newlib/5/arm-rtems5/eb/thumb/armv7-r/newlib/targ-include/machine/fenv-softfloat.h:92: undefined reference to `__softfloat_float_raise'
collect2: error: ld returned 1 exit status
/home/eshan/development/newlib/5/lib/gcc/arm-rtems5/7.5.0/../../../../arm-rtems5/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008000
eshan at EDs-pc:~/development/Tools/tmulti$
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