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| author | H.J. Lu <hongjiu.lu@intel.com> | 2011-04-01 19:38:21 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-04-01 19:38:21 -0400 |
| commit | 0354e355014b7bfda32622e0255399d859862fcd (patch) | |
| tree | d2f823c407add9a82d7b6b3c055b78a9811914cb /sysdeps/x86_64/multiarch/memcpy.S | |
| parent | 8593482f5ec33daa90fca63db380edc8283c39df (diff) | |
| download | glibc-0354e355014b7bfda32622e0255399d859862fcd.tar.gz glibc-0354e355014b7bfda32622e0255399d859862fcd.tar.xz glibc-0354e355014b7bfda32622e0255399d859862fcd.zip | |
Work around old buggy program which cannot cope with memcpy semantics.
Diffstat (limited to 'sysdeps/x86_64/multiarch/memcpy.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memcpy.S | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sysdeps/x86_64/multiarch/memcpy.S b/sysdeps/x86_64/multiarch/memcpy.S index 8e9fb190d3..9863014f55 100644 --- a/sysdeps/x86_64/multiarch/memcpy.S +++ b/sysdeps/x86_64/multiarch/memcpy.S @@ -1,5 +1,6 @@ /* Multiple versions of memcpy - Copyright (C) 2010 Free Software Foundation, Inc. + Copyright (C) 2010, 2011 + Free Software Foundation, Inc. Contributed by Intel Corporation. This file is part of the GNU C Library. @@ -19,6 +20,7 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <shlib-compat.h> #include <init-arch.h> /* Define multiple versions only for the definition in lib and for @@ -26,8 +28,8 @@ happened. */ #if defined SHARED && !defined NOT_IN_libc .text -ENTRY(memcpy) - .type memcpy, @gnu_indirect_function +ENTRY(__new_memcpy) + .type __new_memcpy, @gnu_indirect_function cmpl $0, KIND_OFFSET+__cpu_features(%rip) jne 1f call __init_cpu_features @@ -39,7 +41,7 @@ ENTRY(memcpy) jz 2f leaq __memcpy_ssse3_back(%rip), %rax 2: ret -END(memcpy) +END(__new_memcpy) # undef ENTRY # define ENTRY(name) \ @@ -68,6 +70,8 @@ END(memcpy) by the indirect call in the PLT. */ # define libc_hidden_builtin_def(name) \ .globl __GI_memcpy; __GI_memcpy = __memcpy_sse2 + +versioned_symbol (libc, __new_memcpy, memcpy, GLIBC_2_14); #endif #include "../memcpy.S" |