merge from open-source master

MAINTAINERS

@@ -0,0 +1,6 @@
+
+Bionic support for SuperH
+-------------------------
+Bionic support for SuperH architecture is written by
+Shin-ichiro KAWASAKI <shinichiro.kawasaki.mg@hitachi.com>
+and Contributed to Android by Hitachi, Ltd. and Renesas Solutions Corp.

libc/bionic/pthread.c

@@ -1241,22 +1241,12 @@ int pthread_cond_timeout_np(pthread_cond_t *cond,
                             pthread_mutex_t * mutex,
                             unsigned msecs)
 {
-    int oldvalue;
     struct timespec ts;
-    int status;
 
     ts.tv_sec = msecs / 1000;
     ts.tv_nsec = (msecs % 1000) * 1000000;
 
-    oldvalue = cond->value;
+    return __pthread_cond_timedwait_relative(cond, mutex, &ts);
-
-    pthread_mutex_unlock(mutex);
-    status = __futex_wait(&cond->value, oldvalue, &ts);
-    pthread_mutex_lock(mutex);
-
-    if(status == (-ETIMEDOUT)) return ETIMEDOUT;
-
-    return 0;
 }
 
 

libc/include/stdint.h

@@ -46,13 +46,17 @@
 #  define  __STDINT_MACROS
 #endif
 
+#if !defined __STRICT_ANSI__ || __STDC_VERSION__ >= 199901L
+#  define __STDC_INT64__
+#endif
+
 typedef __int8_t      int8_t;
 typedef __uint8_t     uint8_t;
 typedef __int16_t     int16_t;
 typedef __uint16_t    uint16_t;
 typedef __int32_t     int32_t;
 typedef __uint32_t    uint32_t;
-#if !defined(__STRICT_ANSI__)
+#if defined(__STDC_INT64__)
 typedef __int64_t     int64_t;
 typedef __uint64_t    uint64_t;
 #endif
@@ -157,7 +161,7 @@ typedef uint32_t      uint_fast32_t;
 #  define UINT_FAST32_C(c) UINT32_C(c)
 #endif
 
-#if !defined(__STRICT_ANSI__)
+#if defined(__STDC_INT64__)
 /*
  *  int64_t
  */
@@ -198,7 +202,7 @@ typedef uint64_t      uint_fast64_t;
 #  define __PRIFAST_RANK ""
 #  define __PRIPTR_RANK  ""
 
-#endif /* !__STRICT_ANSI__ */
+#endif /* __STDC_INT64__ */
 
 /*
  * intptr_t & uintptr_t
@@ -221,7 +225,7 @@ typedef unsigned int  uintptr_t;
  *  intmax_t & uintmax_t
  */
 
-#if !defined(__STRICT_ANSI__)
+#if defined(__STDC_INT64__)
 
 typedef uint64_t uintmax_t;
 typedef int64_t  intmax_t;
@@ -233,7 +237,7 @@ typedef int64_t  intmax_t;
 #define INTMAX_C(c)	INT64_C(c)
 #define UINTMAX_C(c)	UINT64_C(c)
 
-#else /* __STRICT_ANSI__ */
+#else /* !__STDC_INT64__ */
 
 typedef uint32_t  uintmax_t;
 typedef int32_t   intmax_t;
@@ -245,7 +249,7 @@ typedef int32_t   intmax_t;
 #define INTMAX_C(c)	INT32_C(c)
 #define UINTMAX_C(c)	UINT32_C(c)
 
-#endif /* __STRICT_ANSI__ */
+#endif /* !__STDC_INT64__ */
 
 
 /* size_t is defined by the GCC-specific <stddef.h> */

libc/private/bionic_tls.h

@@ -87,8 +87,10 @@ extern void __init_tls(void**  tls, void*  thread_info);
 extern int __set_tls(void *ptr);
 
 /* get the TLS */
+/* Linux kernel helpers for its TLS implementation */
 #ifdef __arm__
-#  define __get_tls() ( *((volatile void **) 0xffff0ff0) )
+typedef void* (__kernel_get_tls_t)(void);
+#define __get_tls (*(__kernel_get_tls_t *)0xffff0fe0)
 #else
 extern void*  __get_tls( void );
 #endif

libdl/Android.mk

@@ -36,6 +36,21 @@ LOCAL_MODULE:= libdl
 LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
 LOCAL_SYSTEM_SHARED_LIBRARIES := 
 
+ifeq ($(TARGET_ARCH),sh)
+# for SuperH, additional code is necessary to handle .ctors section.
+GEN_SOBEGIN := $(TARGET_OUT_STATIC_LIBRARIES)/sobegin.o
+$(GEN_SOBEGIN): $(LOCAL_PATH)/arch-sh/sobegin.S
+	@mkdir -p $(dir $@)
+	$(TARGET_CC) -o $@ -c $<
+
+GEN_SOEND := $(TARGET_OUT_STATIC_LIBRARIES)/soend.o
+$(GEN_SOEND): $(LOCAL_PATH)/arch-sh/soend.S
+	@mkdir -p $(dir $@)
+	$(TARGET_CC) -o $@ -c $<
+
+LOCAL_ADDITIONAL_DEPENDENCIES := $(GEN_SOBEGIN) $(GEN_SOEND)
+endif
+
 include $(BUILD_SHARED_LIBRARY)
 
 BUILD_DLTEST:=0

libdl/arch-sh/sobegin.S

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2009 The Android Open Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ */
+    .text
+    .align 4
+    .type  _init,#function
+    .globl _init
+
+# The toolchain for SH-Linux does not produce INIT_ARRAY information which
+# bionic linker relies on.  Instead of it, The toolchain for SH-Linux produces
+# INIT information when it find the function whose name is '_init'.
+#
+_init:
+    sts.l   pr, @-r15
+    mov.l   r8, @-r15
+    mov.l   0f, r8      /* first entry is invalid */
+.L_loop:
+    add     #4, r8
+    mov.l   @r8, r0
+    cmp/eq  #0, r0      /* Zero terimnated. See 'soend.so'. */
+    bt      .L_end
+    jsr     @r0         /* invoke a constructor */
+    nop
+    bra     .L_loop
+    nop
+.L_end:
+    mov.l   @r15+, r8
+    lds.l   @r15+, pr
+
+    rts
+    nop
+
+    .balign 4
+0:  .long   __CTOR_LIST__
+
+# the .ctors section contains a list of pointers to "constructor"
+# functions that need to be called in order during C library initialization,
+# just before the program is being run. This is a C++ requirement
+#
+# the last entry shall be 0, and is defined in crtend.S
+#
+    .section .ctors, "aw"
+    .globl __CTOR_LIST__
+__CTOR_LIST__:
+    .long   -1
+

libdl/arch-sh/soend.S

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2009 The Android Open Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ */
+
+    .section .ctors, "aw"
+    .long 0
+

libdl/libdl.c

@@ -24,7 +24,7 @@ int dlclose(void *handle) { return 0; }
 
 #ifdef __arm__
 void *dl_unwind_find_exidx(void *pc, int *pcount) { return 0; }
-#elif defined(__i386__)
+#elif defined(__i386__) || defined(__sh__)
 /* we munge the cb definition so we don't have to include any headers here.
  * It won't affect anything since these are just symbols anyway */
 int dl_iterate_phdr(int (*cb)(void *info, void *size, void *data),

libm/Android.mk

@@ -170,7 +170,17 @@ else
 
     libm_common_includes = $(LOCAL_PATH)/i386 $(LOCAL_PATH)/i387
   else
-    $(error "Unknown architecture")
+    ifeq ($(TARGET_OS)-$(TARGET_ARCH),linux-sh)
+      libm_common_src_files += \
+		sh/fenv.c \
+		src/s_scalbln.c \
+		src/s_scalbn.c \
+		src/s_scalbnf.c
+
+      libm_common_includes = $(LOCAL_PATH)/sh
+    else
+      $(error "Unknown architecture")
+    endif
   endif
 endif
 

libm/sh/_fpmath.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2009 Android Open Source Project, All rights reserved.
+ *   Derived from "bionic/libm/arm/_fpmath.h"
+ *   Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ */
+
+/*
+ * Assumes that 'long double' on SH-linux is just an alias for 'double'.
+ */
+union IEEEl2bits {
+	long double	e;
+	struct {
+#if  __BYTE_ORDER == __LITTLE_ENDIAN
+		unsigned int	manl	:32;
+		unsigned int	manh	:20;
+		unsigned int	exp	:11;
+		unsigned int	sign	:1;
+#elif __BYTE_ORDER == __BIG_ENDIAN
+		unsigned int	sign	:1;
+		unsigned int	exp	:11;
+		unsigned int	manh	:20;
+		unsigned int	manl	:32;
+#endif
+	} bits;
+};
+
+/*
+ * LDBL_NBIT is a mask indicating the position of the integer
+ * bit in a long double.  But SH4 does not support it.
+ */
+#define	LDBL_NBIT	0
+#define	mask_nbit_l(u)	((void)0)
+
+#define	LDBL_MANH_SIZE	20
+#define	LDBL_MANL_SIZE	32

libm/sh/fenv.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2009 Android Open Source Project, All rights reserved.
+ *   Derived from "bionic/libm/arm/fenv.c"
+ *   Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ */
+
+long __fpscr_values[2] = { 0L, 0x80000L };

libm/sh/fenv.h

@@ -0,0 +1,240 @@
+/*
+ * Copyright (C) 2009 Android Open Source Project, All rights reserved.
+ *   Derived from "bionic/libm/arm/fenv.h"
+ *   Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ */
+
+#ifndef _FENV_H_
+#define _FENV_H_
+
+#include <stdio.h>
+#include <sys/types.h>
+
+typedef	uint32_t	fenv_t;
+typedef	uint32_t	fexcept_t;
+
+/* Exception flags */
+#define	FE_INVALID		0x0010
+#define	FE_DIVBYZERO	0x0008
+#define	FE_OVERFLOW		0x0004
+#define	FE_UNDERFLOW	0x0002
+#define	FE_INEXACT		0x0001
+#define	FE_ALL_EXCEPT	(FE_DIVBYZERO | FE_INEXACT | \
+				 FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
+
+/* Rounding modes */
+#define	FE_TONEAREST	0x0000
+#define	FE_TOWARDZERO	0x0001
+#define	FE_UPWARD	0x0002 /* not supporetd */
+#define	FE_DOWNWARD	0x0003 /* not supporetd */
+#define	_ROUND_MASK	(FE_TONEAREST | FE_DOWNWARD | \
+				 FE_UPWARD | FE_TOWARDZERO)
+
+/* bit shift for FPSCR mapping */
+#define	_FPUE_CAUSE_SHIFT	12
+#define	_FPUE_ENABLE_SHIFT	17
+#define	_FPUE_FLAG_SHIFT	 2
+
+/* bit shifters */
+#define	_FPUE_CAUSE(_EXCS)	((_EXCS) << _FPUE_CAUSE_SHIFT)
+#define	_FPUE_ENABLE(_EXCS)	((_EXCS) << _FPUE_ENABLE_SHIFT)
+#define	_FPUE_FLAG(_EXCS)	((_EXCS) << _FPUE_FLAG_SHIFT)
+
+#define	_GET_FPUE_CAUSE(_FPUE)		(((_FPUE) >> _FPUE_CAUSE_SHIFT) & FE_ALL_EXCEPT)
+#define	_GET_FPUE_ENABLE(_FPUE)	(((_FPUE) >> _FPUE_ENABLE_SHIFT)& FE_ALL_EXCEPT)
+#define	_GET_FPUE_FLAG(_FPUE)		(((_FPUE) >> _FPUE_FLAG_SHIFT) & FE_ALL_EXCEPT)
+
+
+/* FPSCR register accessors */
+#ifdef	__SH4_NOFPU__
+#define	__read_fpscr(_ptr)
+#define	__write_fpscr(_val)
+#else
+#define	__read_fpscr(_ptr)	__asm __volatile("sts fpscr, %0" : "=r" (*(_ptr)))
+#define	__write_fpscr(_val)	__asm __volatile("lds %0, fpscr" : : "r" (_val))
+#endif
+
+
+/* functions for libm */
+static __inline int
+feclearexcept(int __excepts)
+{
+	uint32_t __fpscr;
+
+	__read_fpscr(&__fpscr);
+	__fpscr &= ~_FPUE_FLAG(__excepts);
+	__write_fpscr(__fpscr);
+	return (0);
+}
+
+static __inline int
+fegetexceptflag(fexcept_t *__flagp, int __excepts)
+{
+	uint32_t __fpscr;
+
+	__read_fpscr(&__fpscr);
+	*__flagp = _GET_FPUE_FLAG(__fpscr) & __excepts;
+	return (0);
+}
+
+
+static __inline int
+fesetexceptflag(const fexcept_t *__flagp, int __excepts)
+{
+	uint32_t __fpscr;
+
+	__read_fpscr(&__fpscr);
+	__fpscr &= ~_FPUE_FLAG(__excepts);
+	__fpscr |= ~_FPUE_FLAG(*__flagp & __excepts);
+	__write_fpscr(__fpscr);
+	return (0);
+}
+
+
+static __inline int
+feraiseexcept(int __excepts)
+{
+	fexcept_t __ex = __excepts;
+
+	fesetexceptflag(&__ex, __excepts);	/* XXX */
+	return (0);
+}
+
+
+static __inline int
+fetestexcept(int __excepts)
+{
+	fexcept_t __ex;
+
+	fegetexceptflag(&__ex,  __excepts);
+	return (__ex);
+}
+
+
+static __inline int
+fegetround(void)
+{
+	uint32_t __fpscr = 0;
+
+	__read_fpscr(&__fpscr);
+	return (__fpscr & _ROUND_MASK);	
+}
+
+static __inline int
+fesetround(int __round)
+{
+	uint32_t __fpscr = 0;
+
+	if (__round == FE_UPWARD || __round == FE_DOWNWARD) {
+		fprintf(stderr, "libm superh : "
+			"upward/downward rounding not supporetd.\n");
+		return -1;
+	}
+
+	__read_fpscr(&__fpscr);
+	__fpscr &= ~_ROUND_MASK;
+	__fpscr |= (__round & _ROUND_MASK);
+	__write_fpscr(__fpscr);
+	return (0);
+}
+
+static __inline int
+fegetenv(fenv_t *__envp)
+{
+	__read_fpscr(__envp);
+	return (0);
+}
+
+static __inline int
+feholdexcept(fenv_t *__envp)
+{
+	uint32_t __fpscr;
+
+	__read_fpscr(&__fpscr);
+	*__envp = __fpscr;
+	__fpscr &= ~_FPUE_FLAG(FE_ALL_EXCEPT);
+	__write_fpscr(__fpscr);
+	return (0);
+}
+
+
+static __inline int
+fesetenv(const fenv_t *__envp)
+{
+	__write_fpscr(*__envp);
+	return (0);
+}
+
+
+static __inline int
+feupdateenv(const fenv_t *__envp)
+{
+	uint32_t __fpscr;
+
+	__read_fpscr(&__fpscr);
+	__write_fpscr(*__envp);
+	feraiseexcept(_GET_FPUE_FLAG(__fpscr));
+	return (0);
+}
+
+#if __BSD_VISIBLE
+
+static __inline int
+feenableexcept(int __mask)
+{
+	uint32_t __old_fpscr, __new_fpscr;
+
+	__read_fpscr(&__old_fpscr);
+	__new_fpscr = __old_fpscr | _FPUE_ENABLE(__mask & FE_ALL_EXCEPT);
+	__write_fpscr(__new_fpscr);
+	return (_GET_FPUE_ENABLE(__old_fpscr));
+}
+
+static __inline int
+fedisableexcept(int __mask)
+{
+	uint32_t __old_fpscr, __new_fpscr;
+
+	__read_fpscr(&__old_fpscr);
+	__new_fpscr = __old_fpscr & ~(_FPUE_ENABLE(__mask & FE_ALL_EXCEPT));
+	__write_fpscr(__new_fpscr);
+	return (_GET_FPUE_ENABLE(__old_fpscr));
+}
+
+static __inline int
+fegetexcept(void)
+{
+	uint32_t __fpscr;
+
+	__read_fpscr(&__fpscr);
+	return (_GET_FPUE_ENABLE(__fpscr));
+}
+
+#endif /* __BSD_VISIBLE */
+
+
+#endif /* _FENV_H_ */
+