/* Multiple versions of __memmove_chk All versions must be listed in ifunc-impl-list.c. Copyright (C) 2010-2016 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 . */ #include #include /* Define multiple versions only for the definition in lib. */ #if IS_IN (libc) .text ENTRY(__memmove_chk) .type __memmove_chk, @gnu_indirect_function LOAD_GOT_AND_RTLD_GLOBAL_RO LOAD_FUNC_GOT_EAX (__memmove_chk_ia32) HAS_CPU_FEATURE (SSE2) jz 2f LOAD_FUNC_GOT_EAX (__memmove_chk_sse2_unaligned) HAS_ARCH_FEATURE (Fast_Unaligned_Load) jnz 2f HAS_CPU_FEATURE (SSSE3) jz 2f LOAD_FUNC_GOT_EAX (__memmove_chk_ssse3) HAS_CPU_FEATURE (Fast_Rep_String) jz 2f LOAD_FUNC_GOT_EAX (__memmove_chk_ssse3_rep) 2: ret END(__memmove_chk) # ifndef SHARED .type __memmove_chk_sse2_unaligned, @function .p2align 4; __memmove_chk_sse2_unaligned: cfi_startproc CALL_MCOUNT movl 12(%esp), %eax cmpl %eax, 16(%esp) jb __chk_fail jmp __memmove_sse2_unaligned cfi_endproc .size __memmove_chk_sse2_unaligned, .-__memmove_chk_sse2_unaligned .type __memmove_chk_ssse3, @function .p2align 4; __memmove_chk_ssse3: cfi_startproc CALL_MCOUNT movl 12(%esp), %eax cmpl %eax, 16(%esp) jb __chk_fail jmp __memmove_ssse3 cfi_endproc .size __memmove_chk_ssse3, .-__memmove_chk_ssse3 .type __memmove_chk_ssse3_rep, @function .p2align 4; __memmove_chk_ssse3_rep: cfi_startproc CALL_MCOUNT movl 12(%esp), %eax cmpl %eax, 16(%esp) jb __chk_fail jmp __memmove_ssse3_rep cfi_endproc .size __memmove_chk_ssse3_rep, .-__memmove_chk_ssse3_rep .type __memmove_chk_ia32, @function .p2align 4; __memmove_chk_ia32: cfi_startproc CALL_MCOUNT movl 12(%esp), %eax cmpl %eax, 16(%esp) jb __chk_fail jmp __memmove_ia32 cfi_endproc .size __memmove_chk_ia32, .-__memmove_chk_ia32 # endif #endif