+ std::vector<const char *> guesses;
+
+#ifdef __ANDROID__
+ char android[PROP_VALUE_MAX];
+ if (__system_property_get("persist.sys.dalvik.vm.lib", android) != 0)
+ guesses.push_back(android);
+#endif
+
+ guesses.push_back("/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/jli/libjli.dylib");
+ //guesses.push_back("/System/Library/Frameworks/JavaVM.framework/JavaVM");
+ guesses.push_back("libjvm.dylib");
+
+ guesses.push_back("libart.so");
+ guesses.push_back("libdvm.so");
+ guesses.push_back("libjvm.so");
+
+ for (const char *guess : guesses) {
+ handle = dlopen(guess, RTLD_LAZY | RTLD_GLOBAL);
+ if (handle != NULL) {
+ library = guess;
+ break;
+ }
+ }
+
+ if (library.size() == 0)
+ return NULL;
+
+ dlset($JNI_GetCreatedJavaVMs, "JNI_GetCreatedJavaVMs", handle);
+ if (JavaVM *jvm = CYGetJavaVM($JNI_GetCreatedJavaVMs))
+ return jvm;
+ }
+
+ std::vector<JavaVMOption> options;
+
+ {
+ std::ostringstream option;
+ option << "-Djava.class.path=";
+ option << CYPoolLibraryPath(pool) << "/libcycript.jar";
+ if (const char *classpath = getenv("CLASSPATH"))
+ option << ':' << classpath;
+ options.push_back(JavaVMOption{pool.strdup(option.str().c_str()), NULL});
+ }
+
+ // To use libnativehelper to access JNI_GetCreatedJavaVMs, you need JniInvocation.
+ // ...but there can only be one JniInvocation, and assuradely the other VM has it.
+ // Essentially, this API makes no sense. We need it for AndroidRuntime, though :/.
+
+ if (void *libnativehelper = dlopen("libnativehelper.so", RTLD_LAZY | RTLD_GLOBAL)) {
+ class JniInvocation$;
+ JniInvocation$ *(*JniInvocation$$init$)(JniInvocation$ *self)(NULL);
+ bool (*JniInvocation$Init)(JniInvocation$ *self, const char *library)(NULL);
+ JniInvocation$ *(*JniInvocation$finalize)(JniInvocation$ *self)(NULL);
+
+ dlset(JniInvocation$$init$, "_ZN13JniInvocationC1Ev", libnativehelper);
+ dlset(JniInvocation$Init, "_ZN13JniInvocation4InitEPKc", libnativehelper);
+ dlset(JniInvocation$finalize, "_ZN13JniInvocationD1Ev", libnativehelper);
+
+ if (JniInvocation$$init$ == NULL)
+ dlclose(libnativehelper);
+ else {
+ // XXX: we should attach a pool to the VM itself and deallocate this there
+ //auto invocation(pool.calloc<JniInvocation$>(1, 1024));
+ //_assert(JniInvocation$finalize != NULL);
+ //pool.atexit(reinterpret_cast<void (*)(void *)>(JniInvocation$finalize), invocation);
+
+ auto invocation(static_cast<JniInvocation$ *>(calloc(1, 1024)));
+ JniInvocation$$init$(invocation);
+
+ _assert(JniInvocation$Init != NULL);
+ JniInvocation$Init(invocation, NULL);
+
+ dlset($JNI_GetCreatedJavaVMs, "JNI_GetCreatedJavaVMs", libnativehelper);
+ if (JavaVM *jvm = CYGetJavaVM($JNI_GetCreatedJavaVMs))
+ return jvm;
projects / cycript.git / blobdiff