1 files changed, 30 insertions, 0 deletions
diff --git a/test/cfi/cross-dso/util/cfi_stubs.h b/test/cfi/cross-dso/util/cfi_stubs.h
new file mode 100644
index 000000000..b742074f0
--- /dev/null
+++ b/test/cfi/cross-dso/util/cfi_stubs.h
@@ -0,0 +1,30 @@
+// This is a hack to access CFI interface that Android has in libdl.so on
+// device, but not in the NDK.
+#include <dlfcn.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef void (*cfi_slowpath_ty)(uint64_t, void *);
+typedef void (*cfi_slowpath_diag_ty)(uint64_t, void *, void *);
+
+static cfi_slowpath_ty cfi_slowpath;
+static cfi_slowpath_diag_ty cfi_slowpath_diag;
+
+__attribute__((constructor(0), no_sanitize("cfi"))) static void init() {
+  cfi_slowpath = (cfi_slowpath_ty)dlsym(RTLD_NEXT, "__cfi_slowpath");
+  cfi_slowpath_diag =
+      (cfi_slowpath_diag_ty)dlsym(RTLD_NEXT, "__cfi_slowpath_diag");
+  if (!cfi_slowpath || !cfi_slowpath_diag) abort();
+}
+
+extern "C" {
+__attribute__((visibility("hidden"), no_sanitize("cfi"))) void __cfi_slowpath(
+    uint64_t Type, void *Addr) {
+  cfi_slowpath(Type, Addr);
+}
+
+__attribute__((visibility("hidden"), no_sanitize("cfi"))) void
+__cfi_slowpath_diag(uint64_t Type, void *Addr, void *Diag) {
+  cfi_slowpath_diag(Type, Addr, Diag);
+}
+}