summaryrefslogtreecommitdiff
path: root/tools/perf/bench/mem-memcpy-x86-64-asm.S
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/bench/mem-memcpy-x86-64-asm.S')
-rw-r--r--tools/perf/bench/mem-memcpy-x86-64-asm.S12
1 files changed, 12 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 00000000..fcd9cf00
--- /dev/null
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S
@@ -0,0 +1,12 @@
+#define memcpy MEMCPY /* don't hide glibc's memcpy() */
+#define altinstr_replacement text
+#define globl p2align 4; .globl
+#define Lmemcpy_c globl memcpy_c; memcpy_c
+#define Lmemcpy_c_e globl memcpy_c_e; memcpy_c_e
+#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