merge from open-source master
This commit is contained in:
commit
895244b2ab
12 changed files with 476 additions and 20 deletions
6
MAINTAINERS
Normal file
6
MAINTAINERS
Normal file
|
@ -0,0 +1,6 @@
|
|||
|
||||
Bionic support for SuperH
|
||||
-------------------------
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||||
Bionic support for SuperH architecture is written by
|
||||
Shin-ichiro KAWASAKI <shinichiro.kawasaki.mg@hitachi.com>
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and Contributed to Android by Hitachi, Ltd. and Renesas Solutions Corp.
|
|
@ -1241,22 +1241,12 @@ int pthread_cond_timeout_np(pthread_cond_t *cond,
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pthread_mutex_t * mutex,
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unsigned msecs)
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{
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int oldvalue;
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struct timespec ts;
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int status;
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||||
|
||||
ts.tv_sec = msecs / 1000;
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ts.tv_nsec = (msecs % 1000) * 1000000;
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oldvalue = cond->value;
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||||
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pthread_mutex_unlock(mutex);
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status = __futex_wait(&cond->value, oldvalue, &ts);
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pthread_mutex_lock(mutex);
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if(status == (-ETIMEDOUT)) return ETIMEDOUT;
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|
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return 0;
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return __pthread_cond_timedwait_relative(cond, mutex, &ts);
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}
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|
||||
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|
|
|
@ -46,13 +46,17 @@
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|||
# define __STDINT_MACROS
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#endif
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||||
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||||
#if !defined __STRICT_ANSI__ || __STDC_VERSION__ >= 199901L
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||||
# define __STDC_INT64__
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||||
#endif
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||||
|
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typedef __int8_t int8_t;
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typedef __uint8_t uint8_t;
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typedef __int16_t int16_t;
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typedef __uint16_t uint16_t;
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typedef __int32_t int32_t;
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typedef __uint32_t uint32_t;
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#if !defined(__STRICT_ANSI__)
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||||
#if defined(__STDC_INT64__)
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typedef __int64_t int64_t;
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typedef __uint64_t uint64_t;
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#endif
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||||
|
@ -157,7 +161,7 @@ typedef uint32_t uint_fast32_t;
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|||
# define UINT_FAST32_C(c) UINT32_C(c)
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#endif
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||||
|
||||
#if !defined(__STRICT_ANSI__)
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||||
#if defined(__STDC_INT64__)
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||||
/*
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||||
* int64_t
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||||
*/
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||||
|
@ -198,7 +202,7 @@ typedef uint64_t uint_fast64_t;
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|||
# define __PRIFAST_RANK ""
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||||
# define __PRIPTR_RANK ""
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||||
|
||||
#endif /* !__STRICT_ANSI__ */
|
||||
#endif /* __STDC_INT64__ */
|
||||
|
||||
/*
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||||
* intptr_t & uintptr_t
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||||
|
@ -221,7 +225,7 @@ typedef unsigned int uintptr_t;
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|||
* intmax_t & uintmax_t
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||||
*/
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||||
|
||||
#if !defined(__STRICT_ANSI__)
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||||
#if defined(__STDC_INT64__)
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||||
|
||||
typedef uint64_t uintmax_t;
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||||
typedef int64_t intmax_t;
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||||
|
@ -233,7 +237,7 @@ typedef int64_t intmax_t;
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|||
#define INTMAX_C(c) INT64_C(c)
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#define UINTMAX_C(c) UINT64_C(c)
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||||
|
||||
#else /* __STRICT_ANSI__ */
|
||||
#else /* !__STDC_INT64__ */
|
||||
|
||||
typedef uint32_t uintmax_t;
|
||||
typedef int32_t intmax_t;
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||||
|
@ -245,7 +249,7 @@ typedef int32_t intmax_t;
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|||
#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> */
|
||||
|
|
|
@ -87,8 +87,10 @@ extern void __init_tls(void** tls, void* thread_info);
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|||
extern int __set_tls(void *ptr);
|
||||
|
||||
/* get the TLS */
|
||||
/* Linux kernel helpers for its TLS implementation */
|
||||
#ifdef __arm__
|
||||
# define __get_tls() ( *((volatile void **) 0xffff0ff0) )
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||||
typedef void* (__kernel_get_tls_t)(void);
|
||||
#define __get_tls (*(__kernel_get_tls_t *)0xffff0fe0)
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||||
#else
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||||
extern void* __get_tls( void );
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||||
#endif
|
||||
|
|
|
@ -36,6 +36,21 @@ LOCAL_MODULE:= libdl
|
|||
LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
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||||
LOCAL_SYSTEM_SHARED_LIBRARIES :=
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|
||||
ifeq ($(TARGET_ARCH),sh)
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||||
# for SuperH, additional code is necessary to handle .ctors section.
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GEN_SOBEGIN := $(TARGET_OUT_STATIC_LIBRARIES)/sobegin.o
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$(GEN_SOBEGIN): $(LOCAL_PATH)/arch-sh/sobegin.S
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||||
@mkdir -p $(dir $@)
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||||
$(TARGET_CC) -o $@ -c $<
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||||
|
||||
GEN_SOEND := $(TARGET_OUT_STATIC_LIBRARIES)/soend.o
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||||
$(GEN_SOEND): $(LOCAL_PATH)/arch-sh/soend.S
|
||||
@mkdir -p $(dir $@)
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||||
$(TARGET_CC) -o $@ -c $<
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||||
|
||||
LOCAL_ADDITIONAL_DEPENDENCIES := $(GEN_SOBEGIN) $(GEN_SOEND)
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endif
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||||
|
||||
include $(BUILD_SHARED_LIBRARY)
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||||
|
||||
BUILD_DLTEST:=0
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||||
|
|
70
libdl/arch-sh/sobegin.S
Normal file
70
libdl/arch-sh/sobegin.S
Normal file
|
@ -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.
|
||||
*/
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||||
.text
|
||||
.align 4
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||||
.type _init,#function
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||||
.globl _init
|
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|
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# 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'.
|
||||
#
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_init:
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||||
sts.l pr, @-r15
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mov.l r8, @-r15
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mov.l 0f, r8 /* first entry is invalid */
|
||||
.L_loop:
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add #4, r8
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mov.l @r8, r0
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||||
cmp/eq #0, r0 /* Zero terimnated. See 'soend.so'. */
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||||
bt .L_end
|
||||
jsr @r0 /* invoke a constructor */
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||||
nop
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||||
bra .L_loop
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||||
nop
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||||
.L_end:
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||||
mov.l @r15+, r8
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||||
lds.l @r15+, pr
|
||||
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||||
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
|
||||
#
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||||
.section .ctors, "aw"
|
||||
.globl __CTOR_LIST__
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||||
__CTOR_LIST__:
|
||||
.long -1
|
||||
|
31
libdl/arch-sh/soend.S
Normal file
31
libdl/arch-sh/soend.S
Normal file
|
@ -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"
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||||
.long 0
|
||||
|
|
@ -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),
|
||||
|
|
|
@ -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
|
||||
|
||||
|
|
58
libm/sh/_fpmath.h
Normal file
58
libm/sh/_fpmath.h
Normal file
|
@ -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
|
30
libm/sh/fenv.c
Normal file
30
libm/sh/fenv.c
Normal file
|
@ -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 };
|
240
libm/sh/fenv.h
Normal file
240
libm/sh/fenv.h
Normal file
|
@ -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_ */
|
||||
|
Loading…
Reference in a new issue