commit 927fe99692b1edc723e74bfc17ed718a84ddc6fd
author Elliott Hughes <enh@google.com> Thu Jan 31 22:29:22 2019 +0000
committer Elliott Hughes <enh@google.com> Mon Apr 22 18:57:21 2019 +0000
tree 186ed8b5eb2a1c053aea3552f5793459eac427ed
parent e4788d4c7e842b0ca24363ebc5544a16c9e3b185

Reland ifuncs for strcmp and strlen.

This reverts commit e4788d4c7e842b0ca24363ebc5544a16c9e3b185,
which undid this change during the Q betas.

Bug: http://b/120989619
Change-Id: Iea589fd0e56426971adf9f7c19c2aedf0d7a7a60

libc/arch-arm/dynamic_function_dispatch.cpp

diff --git a/libc/arch-arm/dynamic_function_dispatch.cpp b/libc/arch-arm/dynamic_function_dispatch.cpp
index 09fd8f3..640f330 100644
--- a/libc/arch-arm/dynamic_function_dispatch.cpp
+++ b/libc/arch-arm/dynamic_function_dispatch.cpp
@@ -89,15 +89,11 @@
     return r0;
 }
 
-#define DEFINE_IFUNC_WITH_SUFFIX(name, suffix) \
-    name##_func name##suffix __attribute__((ifunc(#name "_resolver"))); \
+#define DEFINE_IFUNC(name) \
+    name##_func name __attribute__((ifunc(#name "_resolver"))); \
     __attribute__((visibility("hidden"))) \
     name##_func* name##_resolver()
 
-#define DEFINE_IFUNC(name) DEFINE_IFUNC_WITH_SUFFIX(name, )
-
-#define DEFINE_INTERNAL_IFUNC(name) DEFINE_IFUNC_WITH_SUFFIX(name, _internal)
-
 #define DECLARE_FUNC(type, name) \
     __attribute__((visibility("hidden"))) \
     type name
@@ -291,7 +287,7 @@
 }
 
 typedef int strcmp_func(const char* __lhs, const char* __rhs);
-DEFINE_INTERNAL_IFUNC(strcmp) {
+DEFINE_IFUNC(strcmp) {
     switch(get_cpu_variant()) {
         case kCortexA9:
             RETURN_FUNC(strcmp_func, strcmp_a9);
@@ -305,7 +301,7 @@
 }
 
 typedef size_t strlen_func(const char* __s);
-DEFINE_INTERNAL_IFUNC(strlen) {
+DEFINE_IFUNC(strlen) {
     switch(get_cpu_variant()) {
         case kCortexA9:
             RETURN_FUNC(strlen_func, strlen_a9);