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1a4d82fc JJ |
1 | //===-- aeabi_memset.S - EABI memset implementation -----------------------===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is dual licensed under the MIT and the University of Illinois Open | |
6 | // Source Licenses. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | ||
10 | #include "../assembly.h" | |
11 | ||
12 | // void __aeabi_memset(void *dest, size_t n, int c) { memset(dest, c, n); } | |
13 | // void __aeabi_memclr(void *dest, size_t n) { __aeabi_memset(dest, n, 0); } | |
14 | ||
5bcae85e | 15 | .syntax unified |
92a42be0 | 16 | .p2align 2 |
1a4d82fc JJ |
17 | DEFINE_COMPILERRT_FUNCTION(__aeabi_memset) |
18 | mov r3, r1 | |
19 | mov r1, r2 | |
20 | mov r2, r3 | |
2c00a5a8 XL |
21 | #ifdef USE_THUMB_1 |
22 | push {r7, lr} | |
23 | bl memset | |
24 | pop {r7, pc} | |
25 | #else | |
1a4d82fc | 26 | b memset |
2c00a5a8 | 27 | #endif |
1a4d82fc JJ |
28 | END_COMPILERRT_FUNCTION(__aeabi_memset) |
29 | ||
30 | DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset) | |
31 | DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset) | |
32 | ||
2c00a5a8 | 33 | .p2align 2 |
1a4d82fc JJ |
34 | DEFINE_COMPILERRT_FUNCTION(__aeabi_memclr) |
35 | mov r2, r1 | |
2c00a5a8 XL |
36 | movs r1, #0 |
37 | #ifdef USE_THUMB_1 | |
38 | push {r7, lr} | |
39 | bl memset | |
40 | pop {r7, pc} | |
41 | #else | |
1a4d82fc | 42 | b memset |
2c00a5a8 | 43 | #endif |
1a4d82fc JJ |
44 | END_COMPILERRT_FUNCTION(__aeabi_memclr) |
45 | ||
46 | DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr) | |
47 | DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr8, __aeabi_memclr) | |
48 | ||
3157f602 XL |
49 | NO_EXEC_STACK_DIRECTIVE |
50 |