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Merge "Removes bcopy and bzero from bionic."

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This commit is contained in:
Dan Albert 2014-06-04 01:00:40 +00:00 committed by Gerrit Code Review
commit c380189410
10 changed files with 5 additions and 200 deletions
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30
libc/arch-arm64/generic/bionic/bcopy.S
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@ -1,30 +0,0 @@
/* Copyright (c) 2014, Linaro Limited
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.
* Neither the name of the Linaro nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
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
HOLDER 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.
*/
#define BCOPY
#include "memmove.S"
#undef BCOPY

30
libc/arch-arm64/generic/bionic/bzero.S
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@ -1,30 +0,0 @@
/* Copyright (c) 2014, Linaro Limited
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.
* Neither the name of the Linaro nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
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
HOLDER 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.
*/
#define BZERO
#include "memset.S"
#undef BZERO

2
libc/arch-arm64/generic/generic.mk
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@ -1,6 +1,4 @@
libc_bionic_src_files_arm64 += \
arch-arm64/generic/bionic/bcopy.S \
arch-arm64/generic/bionic/bzero.S \
arch-arm64/generic/bionic/memcmp.S \
arch-arm64/generic/bionic/memcpy.S \
arch-arm64/generic/bionic/memmove.S \

41
libc/arch-mips64/bionic/bzero.S
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@ -1,41 +0,0 @@
/*
* Copyright (C) 2008 The Android Open Source 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.
*/
#include <private/bionic_asm.h>
/*
* void bzero(void *s, size_t n);
*/
LEAF(bzero,0)
SETUP_GP64(t0,bzero)
move a2,a1
move a1,zero
LA t9,memset
RESTORE_GP64
j t9
END(bzero)

2
libc/arch-mips64/mips64.mk
View file

@ -17,7 +17,6 @@ libc_common_src_files_mips64 := \
upstream-freebsd/lib/libc/string/wcsrchr.c \
upstream-freebsd/lib/libc/string/wmemcmp.c \
upstream-freebsd/lib/libc/string/wmemmove.c \
upstream-openbsd/lib/libc/string/bcopy.c \
upstream-openbsd/lib/libc/string/stpcpy.c \
upstream-openbsd/lib/libc/string/stpncpy.c \
upstream-openbsd/lib/libc/string/strcat.c \
@ -42,7 +41,6 @@ libc_common_src_files_mips64 += \
### CPU specific source files
libc_bionic_src_files_mips64 := \
arch-mips64/bionic/__bionic_clone.S \
arch-mips64/bionic/bzero.S \
arch-mips64/bionic/_exit_with_stack_teardown.S \
arch-mips64/bionic/__get_sp.S \
arch-mips64/bionic/getdents.cpp \

33
libc/arch-x86_64/string/sse2-bcopy-slm.S
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@ -1,33 +0,0 @@
/*
Copyright (c) 2014, Intel Corporation
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.
* Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
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.
*/
#define USE_AS_BCOPY
#define MEMMOVE bcopy
#include "sse2-memmove-slm.S"

33
libc/arch-x86_64/string/sse2-bzero-slm.S
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@ -1,33 +0,0 @@
/*
Copyright (c) 2014, Intel Corporation
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.
* Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
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.
*/
#define USE_AS_BZERO_P
#define MEMSET bzero
#include "sse2-memset-slm.S"

2
libc/arch-x86_64/x86_64.mk
View file

@ -42,8 +42,6 @@ libc_bionic_src_files_x86_64 := \
bionic/__memcmp16.cpp \
libc_bionic_src_files_x86_64 += \
arch-x86_64/string/sse2-bcopy-slm.S \
arch-x86_64/string/sse2-bzero-slm.S \
arch-x86_64/string/sse2-memcpy-slm.S \
arch-x86_64/string/sse2-memmove-slm.S \
arch-x86_64/string/sse2-memset-slm.S \

20
libc/bionic/memmove.c
View file

@ -25,22 +25,6 @@
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#undef _FORTIFY_SOURCE
#include <string.h>
#include <strings.h>
void *memmove(void *dst, const void *src, size_t n)
{
const char *p = src;
char *q = dst;
/* We can use the optimized memcpy if the source and destination
* don't overlap.
*/
if (__builtin_expect(((q < p) && ((size_t)(p - q) >= n))
|| ((p < q) && ((size_t)(q - p) >= n)), 1)) {
return memcpy(dst, src, n);
} else {
bcopy(src, dst, n);
return dst;
}
}
#define MEMMOVE
#include "upstream-openbsd/lib/libc/string/bcopy.c"

12
libc/include/strings.h
View file

@ -43,20 +43,14 @@
#include <sys/cdefs.h>
__BEGIN_DECLS
void bcopy(const void *, void *, size_t);
void bzero(void *, size_t);
#define bcopy(b1, b2, len) (void)(memmove((b2), (b1), (len)))
#define bzero(b, len) (void)(memset((b), '\0', (len)))
int ffs(int);
char *index(const char *, int);
int strcasecmp(const char *, const char *);
int strncasecmp(const char *, const char *, size_t);
#if defined(__BIONIC_FORTIFY)
__BIONIC_FORTIFY_INLINE
void bzero (void *s, size_t n) {
__builtin___memset_chk(s, '\0', n, __builtin_object_size (s, 0));
}
#endif /* defined(__BIONIC_FORTIFY) */
__END_DECLS
#endif /* !defined(_STRINGS_H_) */