Rewrite __cxa_atexit / __cxa_finalize
Simplify:
- Use a single memory-mapped region to hold the table of destructors.
Double its capacity each time it is expanded.
- Add a recompaction pass at the end of __cxa_finalize that shifts
entries forward and uses madvise to clean pages.
Bug: http://b/148055738
Test: bionic-unit-tests
Change-Id: Ieb9da2b88640a8a5277d217b43826b5b7e246781
diff --git a/libc/Android.bp b/libc/Android.bp
index 1f54a0a..3448094 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1219,7 +1219,7 @@
// so we can't include them in libc_ndk.a.
"bionic/__cxa_thread_atexit_impl.cpp",
"bionic/android_unsafe_frame_pointer_chase.cpp",
- "stdlib/atexit.c",
+ "bionic/atexit.cpp",
"bionic/fork.cpp",
],