ArmPkg/CompilerIntrinsicsLib ARM: make memset() weak again

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / memset.c

diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/memset.c b/ArmPkg/Library/CompilerIntrinsicsLib/memset.c
index 3d417d797242d9a168a71ca565f8d6ce1e02cd90..0d837fcecf0916de11462891c2bb440a852017cf 100644 (file)
--- a/ArmPkg/Library/CompilerIntrinsicsLib/memset.c
+++ b/ArmPkg/Library/CompilerIntrinsicsLib/memset.c
@@ -31,6 +31,15 @@ void *memset(void *dest, int c, size_t n);
 
 #ifdef __arm__
 
+//
+// Other modules (such as CryptoPkg/IntrinsicLib) may provide another
+// implementation of memset(), which may conflict with this one if this
+// object was pulled into the link due to the definitions below. So make
+// our memset() 'weak' to let the other implementation take precedence.
+//
+__attribute__((__weak__))
+void *memset(void *dest, int c, size_t n);
+
 void __aeabi_memset(void *dest, size_t n, int c)
 {
   __memset(dest, c, n);