forked from OSchip/llvm-project
51 lines
1.4 KiB
ArmAsm
51 lines
1.4 KiB
ArmAsm
//===-- aeabi_memset.S - EABI memset implementation -----------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "../assembly.h"
|
|
|
|
// void __aeabi_memset(void *dest, size_t n, int c) { memset(dest, c, n); }
|
|
// void __aeabi_memclr(void *dest, size_t n) { __aeabi_memset(dest, n, 0); }
|
|
|
|
.syntax unified
|
|
.p2align 2
|
|
DEFINE_COMPILERRT_FUNCTION(__aeabi_memset)
|
|
mov r3, r1
|
|
mov r1, r2
|
|
mov r2, r3
|
|
#ifdef USE_THUMB_1
|
|
push {r7, lr}
|
|
bl memset
|
|
pop {r7, pc}
|
|
#else
|
|
b memset
|
|
#endif
|
|
END_COMPILERRT_FUNCTION(__aeabi_memset)
|
|
|
|
DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset)
|
|
DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset)
|
|
|
|
.p2align 2
|
|
DEFINE_COMPILERRT_FUNCTION(__aeabi_memclr)
|
|
mov r2, r1
|
|
movs r1, #0
|
|
#ifdef USE_THUMB_1
|
|
push {r7, lr}
|
|
bl memset
|
|
pop {r7, pc}
|
|
#else
|
|
b memset
|
|
#endif
|
|
END_COMPILERRT_FUNCTION(__aeabi_memclr)
|
|
|
|
DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr)
|
|
DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr8, __aeabi_memclr)
|
|
|
|
NO_EXEC_STACK_DIRECTIVE
|
|
|