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authorH.J. Lu <hjl.tools@gmail.com>2017-07-19 06:54:03 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-08-04 13:29:38 -0700
commit973da22a356ed072133562e6f1ecd833c31fa9a0 (patch)
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parent8537e0f6cf8a1c245612fd3437789d2e16278e3b (diff)
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i686: Implement IFUNC selectors in C
* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add bcopy-ia32, bzero-ia32, rawmemchr-ia32 memchr-ia32, memcmp-ia32, memcpy-ia32, memmove-ia32, mempcpy-ia32, memset-ia32, strcat-ia32, strchr-ia32, strrchr-ia32, strcpy-ia32, strcmp-ia32, strcspn-ia32, strpbrk-ia32, strspn-ia32, strlen-ia32, stpcpy-ia32, stpncpy-ia32, memcpy_chk-nonshared, mempcpy_chk-nonshared, memmove_chk-nonshared and memset_chk-nonshared * sysdeps/i386/i686/multiarch/bcopy-ia32.S: New file. * sysdeps/i386/i686/multiarch/bcopy.c: Likewise. * sysdeps/i386/i686/multiarch/bzero-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/bzero.c: Likewise. * sysdeps/i386/i686/multiarch/ifunc-memmove.h: Likewise. * sysdeps/i386/i686/multiarch/ifunc-memset.h: Likewise. * sysdeps/i386/i686/multiarch/ifunc-sse2-bsf.h: Likewise. * sysdeps/i386/i686/multiarch/ifunc-sse2-ssse3.h: Likewise. * sysdeps/i386/i686/multiarch/ifunc-sse2.h: Likewise. * sysdeps/i386/i686/multiarch/ifunc-sse4_2.h: Likewise. * sysdeps/i386/i686/multiarch/ifunc-ssse3-sse4_2.h: Likewise. * sysdeps/i386/i686/multiarch/memchr-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/memchr.c: Likewise. * sysdeps/i386/i686/multiarch/memcmp-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/memcmp.c: Likewise. * sysdeps/i386/i686/multiarch/memcpy-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy.c: Likewise. * sysdeps/i386/i686/multiarch/memcpy_chk-nonshared.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy_chk.c: Likewise. * sysdeps/i386/i686/multiarch/memmove-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/memmove.c: Likewise. * sysdeps/i386/i686/multiarch/memmove_chk-nonshared.S: Likewise. * sysdeps/i386/i686/multiarch/memmove_chk.c: Likewise. * sysdeps/i386/i686/multiarch/mempcpy-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy.c: Likewise. * sysdeps/i386/i686/multiarch/mempcpy_chk-nonshared.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy_chk.c: Likewise. * sysdeps/i386/i686/multiarch/memrchr.c: Likewise. * sysdeps/i386/i686/multiarch/memset-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/memset.c: Likewise. * sysdeps/i386/i686/multiarch/memset_chk-nonshared.S: Likewise. * sysdeps/i386/i686/multiarch/rawmemchr-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/rawmemchr.c: Likewise. * sysdeps/i386/i686/multiarch/stpcpy-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/stpcpy-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/stpcpy.c: Likewise. * sysdeps/i386/i686/multiarch/stpncpy-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/stpncpy.c: Likewise. * sysdeps/i386/i686/multiarch/strcasecmp.c: Likewise. * sysdeps/i386/i686/multiarch/strcasecmp_l.c: Likewise. * sysdeps/i386/i686/multiarch/strcat-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strcat.c: Likewise. * sysdeps/i386/i686/multiarch/strchr-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strchr.c: Likewise. * sysdeps/i386/i686/multiarch/strcmp-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strcmp.c: Likewise. * sysdeps/i386/i686/multiarch/strcpy-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy.c: Likewise. * sysdeps/i386/i686/multiarch/strcspn-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strcspn.c: Likewise. * sysdeps/i386/i686/multiarch/strlen-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strlen.c: Likewise. * sysdeps/i386/i686/multiarch/strncase.c: Likewise. * sysdeps/i386/i686/multiarch/strncase_l.c: Likewise. * sysdeps/i386/i686/multiarch/strncat.c: Likewise. * sysdeps/i386/i686/multiarch/strncmp.c: Likewise. * sysdeps/i386/i686/multiarch/strncpy.c: Likewise. * sysdeps/i386/i686/multiarch/strnlen.c: Likewise. * sysdeps/i386/i686/multiarch/strpbrk-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strpbrk.c: Likewise. * sysdeps/i386/i686/multiarch/strrchr-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strrchr.c: Likewise. * sysdeps/i386/i686/multiarch/strspn-ia32.S: Likewise. * sysdeps/i386/i686/multiarch/strspn.c: Likewise. * sysdeps/i386/i686/multiarch/wcschr.c: Likewise. * sysdeps/i386/i686/multiarch/wcscmp.c: Likewise. * sysdeps/i386/i686/multiarch/wcscpy.c: Likewise. * sysdeps/i386/i686/multiarch/wcslen.c: Likewise. * sysdeps/i386/i686/multiarch/wcsrchr.c: Likewise. * sysdeps/i386/i686/multiarch/wmemcmp.c: Likewise. * sysdeps/i386/i686/multiarch/bcopy.S: Removed. * sysdeps/i386/i686/multiarch/bzero.S: Likewise. * sysdeps/i386/i686/multiarch/memchr.S: Likewise. * sysdeps/i386/i686/multiarch/memcmp.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memmove.S: Likewise. * sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memrchr.S: Likewise. * sysdeps/i386/i686/multiarch/memset.S: Likewise. * sysdeps/i386/i686/multiarch/memset_chk.S: Likewise. * sysdeps/i386/i686/multiarch/rawmemchr.S: Likewise. * sysdeps/i386/i686/multiarch/stpcpy.S: Likewise. * sysdeps/i386/i686/multiarch/stpncpy.S: Likewise. * sysdeps/i386/i686/multiarch/strcasecmp.S: Likewise. * sysdeps/i386/i686/multiarch/strcasecmp_l.S: Likewise. * sysdeps/i386/i686/multiarch/strcat.S: Likewise. * sysdeps/i386/i686/multiarch/strcmp.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy.S: Likewise. * sysdeps/i386/i686/multiarch/strcspn.S: Likewise. * sysdeps/i386/i686/multiarch/strlen.S: Likewise. * sysdeps/i386/i686/multiarch/strncase.S: Likewise. * sysdeps/i386/i686/multiarch/strncase_l.S: Likewise. * sysdeps/i386/i686/multiarch/strncat.S: Likewise. * sysdeps/i386/i686/multiarch/strncmp.S: Likewise. * sysdeps/i386/i686/multiarch/strncpy.S: Likewise. * sysdeps/i386/i686/multiarch/strnlen.S: Likewise. * sysdeps/i386/i686/multiarch/strpbrk.S: Likewise. * sysdeps/i386/i686/multiarch/strrchr.S: Likewise. * sysdeps/i386/i686/multiarch/strspn.S: Likewise. * sysdeps/i386/i686/multiarch/wcschr.S: Likewise. * sysdeps/i386/i686/multiarch/wcscmp.S: Likewise. * sysdeps/i386/i686/multiarch/wcscpy.S: Likewise. * sysdeps/i386/i686/multiarch/wcslen.S: Likewise. * sysdeps/i386/i686/multiarch/wcsrchr.S: Likewise. * sysdeps/i386/i686/multiarch/wmemcmp.S: Likewise.
Diffstat (limited to 'sysdeps/i386/i686/multiarch/strcpy.S')
-rw-r--r--sysdeps/i386/i686/multiarch/strcpy.S116
1 files changed, 0 insertions, 116 deletions
diff --git a/sysdeps/i386/i686/multiarch/strcpy.S b/sysdeps/i386/i686/multiarch/strcpy.S
deleted file mode 100644
index ffbc03c..0000000
--- a/sysdeps/i386/i686/multiarch/strcpy.S
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Multiple versions of strcpy
- All versions must be listed in ifunc-impl-list.c.
- Copyright (C) 2011-2017 Free Software Foundation, Inc.
- Contributed by Intel Corporation.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <init-arch.h>
-
-#if !defined (USE_AS_STPCPY) && !defined (USE_AS_STRNCPY)
-# ifndef STRCPY
-# define STRCPY strcpy
-# endif
-#endif
-
-#ifdef USE_AS_STPCPY
-# ifdef USE_AS_STRNCPY
-# define STRCPY_SSSE3 __stpncpy_ssse3
-# define STRCPY_SSE2 __stpncpy_sse2
-# define STRCPY_IA32 __stpncpy_ia32
-# define __GI_STRCPY __GI_stpncpy
-# define __GI___STRCPY __GI___stpncpy
-# else
-# define STRCPY_SSSE3 __stpcpy_ssse3
-# define STRCPY_SSE2 __stpcpy_sse2
-# define STRCPY_IA32 __stpcpy_ia32
-# define __GI_STRCPY __GI_stpcpy
-# define __GI___STRCPY __GI___stpcpy
-# endif
-#else
-# ifdef USE_AS_STRNCPY
-# define STRCPY_SSSE3 __strncpy_ssse3
-# define STRCPY_SSE2 __strncpy_sse2
-# define STRCPY_IA32 __strncpy_ia32
-# define __GI_STRCPY __GI_strncpy
-# else
-# define STRCPY_SSSE3 __strcpy_ssse3
-# define STRCPY_SSE2 __strcpy_sse2
-# define STRCPY_IA32 __strcpy_ia32
-# define __GI_STRCPY __GI_strcpy
-# endif
-#endif
-
-
-/* Define multiple versions only for the definition in libc. Don't
- define multiple versions for strncpy in static library since we
- need strncpy before the initialization happened. */
-#if IS_IN (libc)
-
- .text
-ENTRY(STRCPY)
- .type STRCPY, @gnu_indirect_function
- LOAD_GOT_AND_RTLD_GLOBAL_RO
- LOAD_FUNC_GOT_EAX (STRCPY_IA32)
- HAS_CPU_FEATURE (SSE2)
- jz 2f
- LOAD_FUNC_GOT_EAX (STRCPY_SSE2)
- HAS_ARCH_FEATURE (Fast_Unaligned_Load)
- jnz 2f
- HAS_CPU_FEATURE (SSSE3)
- jz 2f
- LOAD_FUNC_GOT_EAX (STRCPY_SSSE3)
-2: ret
-END(STRCPY)
-
-# undef ENTRY
-# define ENTRY(name) \
- .type STRCPY_IA32, @function; \
- .align 16; \
- .globl STRCPY_IA32; \
- .hidden STRCPY_IA32; \
- STRCPY_IA32: cfi_startproc; \
- CALL_MCOUNT
-# undef END
-# define END(name) \
- cfi_endproc; .size STRCPY_IA32, .-STRCPY_IA32
-
-# ifdef SHARED
-# undef libc_hidden_builtin_def
-/* It doesn't make sense to send libc-internal strcpy calls through a PLT.
- The speedup we get from using SSSE3 instruction is likely eaten away
- by the indirect call in the PLT. */
-# define libc_hidden_builtin_def(name) \
- .globl __GI_STRCPY; __GI_STRCPY = STRCPY_IA32
-# undef libc_hidden_def
-# define libc_hidden_def(name) \
- .globl __GI___STRCPY; __GI___STRCPY = STRCPY_IA32
-
-# endif
-#endif
-
-#ifdef USE_AS_STPCPY
-# ifdef USE_AS_STRNCPY
-# include "../../stpncpy.S"
-# else
-# include "../../i586/stpcpy.S"
-# endif
-#else
-# ifndef USE_AS_STRNCPY
-# include "../../i586/strcpy.S"
-# endif
-#endif