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-rw-r--r--test/scudo/preinit.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/test/scudo/preinit.c b/test/scudo/preinit.c
new file mode 100644
index 000000000..792b2368e
--- /dev/null
+++ b/test/scudo/preinit.c
@@ -0,0 +1,40 @@
+// RUN: %clang_scudo %s -o %t
+// RUN: %run %t 2>&1
+
+// Verifies that calling malloc in a preinit_array function succeeds, and that
+// the resulting pointer can be freed at program termination.
+
+// On some Android versions, calling mmap() from a preinit function segfaults.
+// It looks like __mmap2.S ends up calling a NULL function pointer.
+// UNSUPPORTED: android
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void *global_p = NULL;
+
+void __init(void) {
+ global_p = malloc(1);
+ if (!global_p)
+ exit(1);
+}
+
+void __fini(void) {
+ if (global_p)
+ free(global_p);
+}
+
+int main(int argc, char **argv)
+{
+ void *p = malloc(1);
+ assert(p);
+ free(p);
+
+ return 0;
+}
+
+__attribute__((section(".preinit_array"), used))
+ void (*__local_preinit)(void) = __init;
+__attribute__((section(".fini_array"), used))
+ void (*__local_fini)(void) = __fini;