1*4882a593SmuzhiyunFrom be030314805137cd63b46ea6eaa702b608669910 Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Fabrice Fontaine <fontaine.fabrice@gmail.com>
3*4882a593SmuzhiyunDate: Sun, 2 Jun 2019 17:45:47 +0200
4*4882a593SmuzhiyunSubject: [PATCH] wrap_memcpy.cc: add GPR_DISABLE_WRAPPED_MEMCPY
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunAdd GPR_DISABLE_WRAPPED_MEMCPY to allow the user to disable wrapped
7*4882a593Smuzhiyunmemcpy. This will fix build on x86_64 on musl/uclibc without changing
8*4882a593Smuzhiyunthe cpu behavior.
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunFixes:
11*4882a593Smuzhiyun - http://autobuild.buildroot.org/results/20d6f2489a4e291a53bd514da66105eb607e1014
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunSigned-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
14*4882a593Smuzhiyun[Upstream status: https://github.com/grpc/grpc/pull/19207]
15*4882a593Smuzhiyun---
16*4882a593Smuzhiyun src/core/lib/gpr/wrap_memcpy.cc | 2 +-
17*4882a593Smuzhiyun 1 file changed, 1 insertion(+), 1 deletion(-)
18*4882a593Smuzhiyun
19*4882a593Smuzhiyundiff --git a/src/core/lib/gpr/wrap_memcpy.cc b/src/core/lib/gpr/wrap_memcpy.cc
20*4882a593Smuzhiyunindex 9b8608e056..38b76acf95 100644
21*4882a593Smuzhiyun--- a/src/core/lib/gpr/wrap_memcpy.cc
22*4882a593Smuzhiyun+++ b/src/core/lib/gpr/wrap_memcpy.cc
23*4882a593Smuzhiyun@@ -29,7 +29,7 @@
24*4882a593Smuzhiyun extern "C" {
25*4882a593Smuzhiyun #ifdef __linux__
26*4882a593Smuzhiyun #if defined(__x86_64__) && !defined(GPR_MUSL_LIBC_COMPAT) && \
27*4882a593Smuzhiyun-    !defined(__ANDROID__)
28*4882a593Smuzhiyun+    !defined(__ANDROID__) && !defined(GPR_DISABLE_WRAPPED_MEMCPY)
29*4882a593Smuzhiyun __asm__(".symver memcpy,memcpy@GLIBC_2.2.5");
30*4882a593Smuzhiyun void* __wrap_memcpy(void* destination, const void* source, size_t num) {
31*4882a593Smuzhiyun   return memcpy(destination, source, num);
32*4882a593Smuzhiyun--
33*4882a593Smuzhiyun2.20.1
34*4882a593Smuzhiyun
35