1*3cab2bb3Spatrick//===-- aeabi_memset.S - EABI memset implementation -----------------------===// 2*3cab2bb3Spatrick// 3*3cab2bb3Spatrick// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*3cab2bb3Spatrick// See https://llvm.org/LICENSE.txt for license information. 5*3cab2bb3Spatrick// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*3cab2bb3Spatrick// 7*3cab2bb3Spatrick//===----------------------------------------------------------------------===// 8*3cab2bb3Spatrick 9*3cab2bb3Spatrick#include "../assembly.h" 10*3cab2bb3Spatrick 11*3cab2bb3Spatrick// void __aeabi_memset(void *dest, size_t n, int c) { memset(dest, c, n); } 12*3cab2bb3Spatrick// void __aeabi_memclr(void *dest, size_t n) { __aeabi_memset(dest, n, 0); } 13*3cab2bb3Spatrick 14*3cab2bb3Spatrick .syntax unified 15*3cab2bb3Spatrick .p2align 2 16*3cab2bb3SpatrickDEFINE_COMPILERRT_FUNCTION(__aeabi_memset) 17*3cab2bb3Spatrick mov r3, r1 18*3cab2bb3Spatrick mov r1, r2 19*3cab2bb3Spatrick mov r2, r3 20*3cab2bb3Spatrick#ifdef USE_THUMB_1 21*3cab2bb3Spatrick push {r7, lr} 22*3cab2bb3Spatrick bl memset 23*3cab2bb3Spatrick pop {r7, pc} 24*3cab2bb3Spatrick#else 25*3cab2bb3Spatrick b memset 26*3cab2bb3Spatrick#endif 27*3cab2bb3SpatrickEND_COMPILERRT_FUNCTION(__aeabi_memset) 28*3cab2bb3Spatrick 29*3cab2bb3SpatrickDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset) 30*3cab2bb3SpatrickDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset) 31*3cab2bb3Spatrick 32*3cab2bb3Spatrick .p2align 2 33*3cab2bb3SpatrickDEFINE_COMPILERRT_FUNCTION(__aeabi_memclr) 34*3cab2bb3Spatrick mov r2, r1 35*3cab2bb3Spatrick movs r1, #0 36*3cab2bb3Spatrick#ifdef USE_THUMB_1 37*3cab2bb3Spatrick push {r7, lr} 38*3cab2bb3Spatrick bl memset 39*3cab2bb3Spatrick pop {r7, pc} 40*3cab2bb3Spatrick#else 41*3cab2bb3Spatrick b memset 42*3cab2bb3Spatrick#endif 43*3cab2bb3SpatrickEND_COMPILERRT_FUNCTION(__aeabi_memclr) 44*3cab2bb3Spatrick 45*3cab2bb3SpatrickDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr) 46*3cab2bb3SpatrickDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr8, __aeabi_memclr) 47*3cab2bb3Spatrick 48*3cab2bb3SpatrickNO_EXEC_STACK_DIRECTIVE 49*3cab2bb3Spatrick 50