Add binutils-2.21.

Use --enable-gold=default for dual linker support.

Change-Id: Id1a744c7db58a0b5e7a3be174cdfa875f2f86e49

1 files changed, 39 insertions, 0 deletions

diff --git a/binutils-2.21/ld/testsuite/ld-ifunc/lib.c b/binutils-2.21/ld/testsuite/ld-ifunc/lib.c
new file mode 100644
index 0000000..393dabf
--- /dev/null
+++ b/binutils-2.21/ld/testsuite/ld-ifunc/lib.c
@@ -0,0 +1,39 @@
+int
+library_func1 (void)
+{
+  return 2;
+}
+
+int global = 1;
+
+#ifdef WITH_IFUNC
+
+static int minus_one (void) { return -1; }
+static int zero (void) { return 0; }
+
+void * library_func2_ifunc (void) __asm__ ("library_func2");
+void * library_func2_ifunc (void) { return global ? minus_one : zero ; }
+__asm__(".type library_func2, %gnu_indirect_function");
+
+extern int library_func2 (int);
+extern __typeof (library_func2) library_func2 __asm__ ("__GI_library_func2");
+
+__asm__(".global __GI_library_func2");
+__asm__(".hidden __GI_library_func2");
+__asm__(".set __GI_library_func2, library_func2");
+
+int
+library_func (int x)
+{
+  return library_func2 (x);
+}
+
+#else /* WITHOUT_IFUNC */
+
+int
+library_func2 (void)
+{
+  return 3;
+}
+
+#endif