/* * Copyright (c) 2015 ARM Ltd * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. The name of the company may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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 #include <_ansi.h> /* According to the run-time ABI for the ARM Architecture, this function is allowed to corrupt only the integer core register permitted to be corrupted by the [AAPCS] (r0-r3, ip, lr, and CPSR). Therefore, we can't just simply use alias to support the function aeabi_memset for the targets with FP register. Instead, versions for these specific targets are written in assembler (in aeabi_memset-soft.S). */ /* NOTE: This ifdef MUST match the one in aeabi_memset-soft.S. */ #if !defined (__SOFTFP__) /* Defined in aeabi_memset-soft.S. */ #else /* Support the alias for the __aeabi_memset which may assume memory alignment. */ void __aeabi_memset4 (void *dest, size_t n, int c) _ATTRIBUTE ((alias ("__aeabi_memset"))); void __aeabi_memset8 (void *dest, size_t n, int c) _ATTRIBUTE ((alias ("__aeabi_memset"))); /* Support the routine __aeabi_memset. Can't alias to memset because it's not defined in the same translation unit. */ void __aeabi_memset (void *dest, size_t n, int c) { /*Note that relative to ANSI memset, __aeabi_memset hase the order of its second and third arguments reversed. */ extern void memset (void *dest, int c, size_t n); memset (dest, c, n); } #endif