1 /* Multiple versions of strrchr
2 All versions must be listed in ifunc-impl-list.c.
3 Copyright (C) 2011-2013 Free Software Foundation, Inc.
4 Contributed by Intel Corporation.
5 This file is part of the GNU C Library.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, see
19 <http://www.gnu.org/licenses/>. */
22 #include <init-arch.h>
27 .type strrchr, @gnu_indirect_function
29 cfi_adjust_cfa_offset (4)
30 cfi_rel_offset (ebx, 0)
32 cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx)
34 call __init_cpu_features
35 1: leal __strrchr_ia32@GOTOFF(%ebx), %eax
36 testl $bit_SSE2, CPUID_OFFSET+index_SSE2+__cpu_features@GOTOFF(%ebx)
38 leal __strrchr_sse2_bsf@GOTOFF(%ebx), %eax
39 testl $bit_Slow_BSF, FEATURE_OFFSET+index_Slow_BSF+__cpu_features@GOTOFF(%ebx)
41 leal __strrchr_sse2@GOTOFF(%ebx), %eax
43 cfi_adjust_cfa_offset (-4);
49 # define ENTRY(name) \
50 .type __strrchr_ia32, @function; \
51 .globl __strrchr_ia32; \
53 __strrchr_ia32: cfi_startproc; \
57 cfi_endproc; .size __strrchr_ia32, .-__strrchr_ia32
58 # undef libc_hidden_builtin_def
59 /* IFUNC doesn't work with the hidden functions in shared library since
60 they will be called without setting up EBX needed for PLT which is
62 # define libc_hidden_builtin_def(name) \
63 .globl __GI_strrchr; __GI_strrchr = __strrchr_ia32
66 #include "../../strrchr.S"