xref: /aosp_15_r20/external/compiler-rt/lib/builtins/arm/aeabi_memset.S (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot//===-- aeabi_memset.S - EABI memset implementation -----------------------===//
2*7c3d14c8STreehugger Robot//
3*7c3d14c8STreehugger Robot//                     The LLVM Compiler Infrastructure
4*7c3d14c8STreehugger Robot//
5*7c3d14c8STreehugger Robot// This file is dual licensed under the MIT and the University of Illinois Open
6*7c3d14c8STreehugger Robot// Source Licenses. See LICENSE.TXT for details.
7*7c3d14c8STreehugger Robot//
8*7c3d14c8STreehugger Robot//===----------------------------------------------------------------------===//
9*7c3d14c8STreehugger Robot
10*7c3d14c8STreehugger Robot#include "../assembly.h"
11*7c3d14c8STreehugger Robot
12*7c3d14c8STreehugger Robot//  void __aeabi_memset(void *dest, size_t n, int c) { memset(dest, c, n); }
13*7c3d14c8STreehugger Robot//  void __aeabi_memclr(void *dest, size_t n) { __aeabi_memset(dest, n, 0); }
14*7c3d14c8STreehugger Robot
15*7c3d14c8STreehugger Robot        .syntax unified
16*7c3d14c8STreehugger Robot        .p2align 2
17*7c3d14c8STreehugger RobotDEFINE_COMPILERRT_FUNCTION(__aeabi_memset)
18*7c3d14c8STreehugger Robot        mov     r3, r1
19*7c3d14c8STreehugger Robot        mov     r1, r2
20*7c3d14c8STreehugger Robot        mov     r2, r3
21*7c3d14c8STreehugger Robot        b       memset
22*7c3d14c8STreehugger RobotEND_COMPILERRT_FUNCTION(__aeabi_memset)
23*7c3d14c8STreehugger Robot
24*7c3d14c8STreehugger RobotDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset)
25*7c3d14c8STreehugger RobotDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset)
26*7c3d14c8STreehugger Robot
27*7c3d14c8STreehugger RobotDEFINE_COMPILERRT_FUNCTION(__aeabi_memclr)
28*7c3d14c8STreehugger Robot        mov     r2, r1
29*7c3d14c8STreehugger Robot        mov     r1, #0
30*7c3d14c8STreehugger Robot        b       memset
31*7c3d14c8STreehugger RobotEND_COMPILERRT_FUNCTION(__aeabi_memclr)
32*7c3d14c8STreehugger Robot
33*7c3d14c8STreehugger RobotDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr)
34*7c3d14c8STreehugger RobotDEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr8, __aeabi_memclr)
35*7c3d14c8STreehugger Robot
36*7c3d14c8STreehugger RobotNO_EXEC_STACK_DIRECTIVE
37*7c3d14c8STreehugger Robot
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