May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Analyzing libnb.so
Since the libnb.so library is the key starting point for Native Bridge support in Android-x86, we will dive into the details of it now. The Makefile to build libnb.so can be found at device/generic/common/nativebridge/Android.mk. The source code for libnb.so includes only one file, libnb.cpp, as follows:
#define LOG_TAG "libnb" #include <dlfcn.h> #include <cutils/log.h> #include <cutils/properties.h> #include "nativebridge/native_bridge.h" namespace android { static void *native_handle = nullptr; static NativeBridgeCallbacks *get_callbacks() { static NativeBridgeCallbacks *callbacks = nullptr; if (!callbacks) { const char *libnb = "/system/" #ifdef __LP64__ "lib64/arm64/" #else "lib/arm/" #endif "libhoudini.so"; ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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