Fix __eabi_atexit() implementation, as well as a bug in the BSD-originated __cxa_finalize() implementation

This patch uses "#if ANDROID" instead of "#if 1" in the __cxa_finalize() fix

1 files changed, 9 insertions, 2 deletions

diff --git a/libc/bionic/eabi.c b/libc/bionic/eabi.c
index 2e0c99c..a5f6627 100644
--- a/libc/bionic/eabi.c
+++ b/libc/bionic/eabi.c
@@ -32,13 +32,20 @@ extern int  __cxa_atexit(void (*)(void*), void*, void* );
 
 void* __dso_handle = 0;
 
+/* The "C++ ABI for ARM" document states that static C++ constructors,
+ * which are called from the .init_array, should manually call
+ * __aeabi_atexit() to register static destructors explicitely.
+ *
+ * Note that 'dso_handle' is the address of a magic linker-generate
+ * variable from the shared object that contains the constructor/destructor
+ */
+
 /* Make this a weak symbol to avoid a multiple definition error when linking
  * with libstdc++-v3.  */
 int __attribute__((weak))
 __aeabi_atexit (void *object, void (*destructor) (void *), void *dso_handle)
 {
-    return 0;
-    //return __cxa_atexit(destructor, object, dso_handle);
+    return __cxa_atexit(destructor, object, dso_handle);
 }