xref: /linux/tools/perf/bench/mem-memcpy-x86-64-asm.S (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04)
1/* SPDX-License-Identifier: GPL-2.0 */
2
3/* Various wrappers to make the kernel .S file build in user-space: */
4
5// memcpy_orig and memcpy_erms are being defined as SYM_L_LOCAL but we need it
6#define SYM_FUNC_START_LOCAL(name)                      \
7        SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
8#define memcpy MEMCPY /* don't hide glibc's memcpy() */
9#define altinstr_replacement text
10#define globl p2align 4; .globl
11#define _ASM_EXTABLE_FAULT(x, y)
12#define _ASM_EXTABLE(x, y)
13
14#include "../../arch/x86/lib/memcpy_64.S"
15/*
16 * We need to provide note.GNU-stack section, saying that we want
17 * NOT executable stack. Otherwise the final linking will assume that
18 * the ELF stack should not be restricted at all and set it RWX.
19 */
20.section .note.GNU-stack,"",@progbits
21