diff options
Diffstat (limited to 'tools/perf/bench/mem-memcpy-x86-64-asm.S')
-rw-r--r-- | tools/perf/bench/mem-memcpy-x86-64-asm.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S new file mode 100644 index 000000000..9ad015a1e --- /dev/null +++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* Various wrappers to make the kernel .S file build in user-space: */ + +#define memcpy MEMCPY /* don't hide glibc's memcpy() */ +#define altinstr_replacement text +#define globl p2align 4; .globl +#define _ASM_EXTABLE_FAULT(x, y) +#define _ASM_EXTABLE(x, y) + +#include "../../arch/x86/lib/memcpy_64.S" +/* + * We need to provide note.GNU-stack section, saying that we want + * NOT executable stack. Otherwise the final linking will assume that + * the ELF stack should not be restricted at all and set it RWX. + */ +.section .note.GNU-stack,"",@progbits |