Initial crt0 implementation

Builds but cannot link, missing a lot of symbols

native/src/base/Android.mk

@@ -22,18 +22,3 @@ LOCAL_SRC_FILES := \
     base-rs.cpp \
     ../external/cxx-rs/src/cxx.cc
 include $(BUILD_STATIC_LIBRARY)
-
-# All static executables should link with libcompat
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := libcompat
-LOCAL_SRC_FILES := compat/compat.cpp
-# Fix static variables' ctor/dtor when using LTO
-# See: https://github.com/android/ndk/issues/1461
-LOCAL_EXPORT_LDFLAGS := -static -T src/lto_fix.lds -Wl,--wrap=rename -Wl,--wrap=renameat
-# For some reason, using the hacky libc.a with x86 will trigger stack protection violation
-# when mixing Rust and C++ code. Disable stack protector to bypass this issue.
-ifeq ($(TARGET_ARCH), x86)
-LOCAL_EXPORT_CFLAGS := -fno-stack-protector
-endif
-include $(BUILD_STATIC_LIBRARY)

native/src/base/logging.cpp

@@ -8,6 +8,10 @@
 
 using namespace std;
 
+#ifndef __call_bypassing_fortify
+#define __call_bypassing_fortify(fn) (&fn)
+#endif
+
 #undef vsnprintf
 static int fmt_and_log_with_rs(LogLevel level, const char *fmt, va_list ap) {
     constexpr int sz = 4096;