diff options
Diffstat (limited to 'mozglue/android/APKOpen.cpp')
| -rw-r--r-- | mozglue/android/APKOpen.cpp | 465 |
1 files changed, 0 insertions, 465 deletions
diff --git a/mozglue/android/APKOpen.cpp b/mozglue/android/APKOpen.cpp deleted file mode 100644 index 1aabc155e..000000000 --- a/mozglue/android/APKOpen.cpp +++ /dev/null @@ -1,465 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -/* - * This custom library loading code is only meant to be called - * during initialization. As a result, it takes no special - * precautions to be threadsafe. Any of the library loading functions - * like mozload should not be available to other code. - */ - -#include <jni.h> -#include <android/log.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/mman.h> -#include <sys/limits.h> -#include <errno.h> -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <unistd.h> -#include <zlib.h> -#include "dlfcn.h" -#include "APKOpen.h" -#include <sys/time.h> -#include <sys/resource.h> -#include <sys/prctl.h> -#include "sqlite3.h" -#include "SQLiteBridge.h" -#include "NSSBridge.h" -#include "ElfLoader.h" -#include "application.ini.h" - -#include "mozilla/TimeStamp.h" -#include "mozilla/UniquePtr.h" -#include "XREChildData.h" - -/* Android headers don't define RUSAGE_THREAD */ -#ifndef RUSAGE_THREAD -#define RUSAGE_THREAD 1 -#endif - -#ifndef RELEASE_OR_BETA -/* Official builds have the debuggable flag set to false, which disables - * the backtrace dumper from bionic. However, as it is useful for native - * crashes happening before the crash reporter is registered, re-enable - * it on non release builds (i.e. nightly and aurora). - * Using a constructor so that it is re-enabled as soon as libmozglue.so - * is loaded. - */ -__attribute__((constructor)) -void make_dumpable() { - prctl(PR_SET_DUMPABLE, 1); -} -#endif - -extern "C" { -/* - * To work around http://code.google.com/p/android/issues/detail?id=23203 - * we don't link with the crt objects. In some configurations, this means - * a lack of the __dso_handle symbol because it is defined there, and - * depending on the android platform and ndk versions used, it may or may - * not be defined in libc.so. In the latter case, we fail to link. Defining - * it here as weak makes us provide the symbol when it's not provided by - * the crt objects, making the change transparent for future NDKs that - * would fix the original problem. On older NDKs, it is not a problem - * either because the way __dso_handle was used was already broken (and - * the custom linker works around it). - */ - NS_EXPORT __attribute__((weak)) void *__dso_handle; -} - -typedef int mozglueresult; - -enum StartupEvent { -#define mozilla_StartupTimeline_Event(ev, z) ev, -#include "StartupTimeline.h" -#undef mozilla_StartupTimeline_Event - MAX_STARTUP_EVENT_ID -}; - -using namespace mozilla; - -static const int MAX_MAPPING_INFO = 32; -static mapping_info lib_mapping[MAX_MAPPING_INFO]; - -NS_EXPORT const struct mapping_info * -getLibraryMapping() -{ - return lib_mapping; -} - -void -JNI_Throw(JNIEnv* jenv, const char* classname, const char* msg) -{ - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Throw\n"); - jclass cls = jenv->FindClass(classname); - if (cls == nullptr) { - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Couldn't find exception class (or exception pending) %s\n", classname); - exit(FAILURE); - } - int rc = jenv->ThrowNew(cls, msg); - if (rc < 0) { - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Error throwing exception %s\n", msg); - exit(FAILURE); - } - jenv->DeleteLocalRef(cls); -} - -namespace { - JavaVM* sJavaVM; - pthread_t sJavaUiThread; -} - -void -abortThroughJava(const char* msg) -{ - struct sigaction sigact = {}; - if (SEGVHandler::__wrap_sigaction(SIGSEGV, nullptr, &sigact)) { - return; // sigaction call failed. - } - - Dl_info info = {}; - if ((sigact.sa_flags & SA_SIGINFO) && - __wrap_dladdr(reinterpret_cast<void*>(sigact.sa_sigaction), &info) && - info.dli_fname && strstr(info.dli_fname, "libxul.so")) { - - return; // Existing signal handler is in libxul (i.e. we have crash reporter). - } - - JNIEnv* env = nullptr; - if (!sJavaVM || sJavaVM->AttachCurrentThreadAsDaemon(&env, nullptr) != JNI_OK) { - return; - } - - if (!env || env->PushLocalFrame(2) != JNI_OK) { - return; - } - - jclass loader = env->FindClass("org/mozilla/gecko/mozglue/GeckoLoader"); - if (!loader) { - return; - } - - jmethodID method = env->GetStaticMethodID(loader, "abort", "(Ljava/lang/String;)V"); - jstring str = env->NewStringUTF(msg); - - if (method && str) { - env->CallStaticVoidMethod(loader, method, str); - } - - env->PopLocalFrame(nullptr); -} - -NS_EXPORT pthread_t -getJavaUiThread() -{ - return sJavaUiThread; -} - -extern "C" NS_EXPORT void MOZ_JNICALL -Java_org_mozilla_gecko_GeckoThread_registerUiThread(JNIEnv*, jclass) -{ - sJavaUiThread = pthread_self(); -} - -static void * xul_handle = nullptr; -#ifndef MOZ_FOLD_LIBS -static void * sqlite_handle = nullptr; -static void * nspr_handle = nullptr; -static void * plc_handle = nullptr; -#else -#define sqlite_handle nss_handle -#define nspr_handle nss_handle -#define plc_handle nss_handle -#endif -static void * nss_handle = nullptr; - -template <typename T> inline void -xul_dlsym(const char *symbolName, T *value) -{ - *value = (T) (uintptr_t) __wrap_dlsym(xul_handle, symbolName); -} - -static int mapping_count = 0; - -extern "C" void -report_mapping(char *name, void *base, uint32_t len, uint32_t offset) -{ - if (mapping_count >= MAX_MAPPING_INFO) - return; - - struct mapping_info *info = &lib_mapping[mapping_count++]; - info->name = strdup(name); - info->base = (uintptr_t)base; - info->len = len; - info->offset = offset; -} - -extern "C" void -delete_mapping(const char *name) -{ - for (int pos = 0; pos < mapping_count; ++pos) { - struct mapping_info *info = &lib_mapping[pos]; - if (!strcmp(info->name, name)) { - struct mapping_info *last = &lib_mapping[mapping_count - 1]; - free(info->name); - *info = *last; - --mapping_count; - break; - } - } -} - -static void* -dlopenAPKLibrary(const char* apkName, const char* libraryName) -{ -#define APK_ASSETS_PATH "!/assets/" ANDROID_CPU_ARCH "/" - size_t filenameLength = strlen(apkName) + - sizeof(APK_ASSETS_PATH) + // includes \0 terminator - strlen(libraryName); - auto file = MakeUnique<char[]>(filenameLength); - snprintf(file.get(), filenameLength, "%s" APK_ASSETS_PATH "%s", - apkName, libraryName); - return __wrap_dlopen(file.get(), RTLD_GLOBAL | RTLD_LAZY); -#undef APK_ASSETS_PATH -} -static mozglueresult -loadGeckoLibs(const char *apkName) -{ - TimeStamp t0 = TimeStamp::Now(); - struct rusage usage1_thread, usage1; - getrusage(RUSAGE_THREAD, &usage1_thread); - getrusage(RUSAGE_SELF, &usage1); - - xul_handle = dlopenAPKLibrary(apkName, "libxul.so"); - if (!xul_handle) { - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Couldn't get a handle to libxul!"); - return FAILURE; - } - - void (*XRE_StartupTimelineRecord)(int, TimeStamp); - xul_dlsym("XRE_StartupTimelineRecord", &XRE_StartupTimelineRecord); - - TimeStamp t1 = TimeStamp::Now(); - struct rusage usage2_thread, usage2; - getrusage(RUSAGE_THREAD, &usage2_thread); - getrusage(RUSAGE_SELF, &usage2); - -#define RUSAGE_TIMEDIFF(u1, u2, field) \ - ((u2.ru_ ## field.tv_sec - u1.ru_ ## field.tv_sec) * 1000 + \ - (u2.ru_ ## field.tv_usec - u1.ru_ ## field.tv_usec) / 1000) - - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Loaded libs in %fms total, %ldms(%ldms) user, %ldms(%ldms) system, %ld(%ld) faults", - (t1 - t0).ToMilliseconds(), - RUSAGE_TIMEDIFF(usage1_thread, usage2_thread, utime), - RUSAGE_TIMEDIFF(usage1, usage2, utime), - RUSAGE_TIMEDIFF(usage1_thread, usage2_thread, stime), - RUSAGE_TIMEDIFF(usage1, usage2, stime), - usage2_thread.ru_majflt - usage1_thread.ru_majflt, - usage2.ru_majflt - usage1.ru_majflt); - - XRE_StartupTimelineRecord(LINKER_INITIALIZED, t0); - XRE_StartupTimelineRecord(LIBRARIES_LOADED, t1); - return SUCCESS; -} - -static mozglueresult loadNSSLibs(const char *apkName); - -static mozglueresult -loadSQLiteLibs(const char *apkName) -{ - if (sqlite_handle) - return SUCCESS; - -#ifdef MOZ_FOLD_LIBS - if (loadNSSLibs(apkName) != SUCCESS) - return FAILURE; -#else - - sqlite_handle = dlopenAPKLibrary(apkName, "libmozsqlite3.so"); - if (!sqlite_handle) { - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Couldn't get a handle to libmozsqlite3!"); - return FAILURE; - } -#endif - - setup_sqlite_functions(sqlite_handle); - return SUCCESS; -} - -static mozglueresult -loadNSSLibs(const char *apkName) -{ - if (nss_handle && nspr_handle && plc_handle) - return SUCCESS; - - nss_handle = dlopenAPKLibrary(apkName, "libnss3.so"); - -#ifndef MOZ_FOLD_LIBS - nspr_handle = dlopenAPKLibrary(apkName, "libnspr4.so"); - - plc_handle = dlopenAPKLibrary(apkName, "libplc4.so"); -#endif - - if (!nss_handle) { - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Couldn't get a handle to libnss3!"); - return FAILURE; - } - -#ifndef MOZ_FOLD_LIBS - if (!nspr_handle) { - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Couldn't get a handle to libnspr4!"); - return FAILURE; - } - - if (!plc_handle) { - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Couldn't get a handle to libplc4!"); - return FAILURE; - } -#endif - - return setup_nss_functions(nss_handle, nspr_handle, plc_handle); -} - -extern "C" NS_EXPORT void MOZ_JNICALL -Java_org_mozilla_gecko_mozglue_GeckoLoader_extractGeckoLibsNative( - JNIEnv *jenv, jclass jGeckoAppShellClass, jstring jApkName) -{ - MOZ_ALWAYS_TRUE(!jenv->GetJavaVM(&sJavaVM)); - - const char* apkName = jenv->GetStringUTFChars(jApkName, nullptr); - if (apkName == nullptr) { - return; - } - - // Extract and cache native lib to allow for efficient startup from cache. - void* handle = dlopenAPKLibrary(apkName, "libxul.so"); - if (handle) { - __android_log_print(ANDROID_LOG_INFO, "GeckoLibLoad", - "Extracted and cached libxul.so."); - // We have extracted and cached the lib, we can close it now. - __wrap_dlclose(handle); - } else { - JNI_Throw(jenv, "java/lang/Exception", "Error extracting gecko libraries"); - } - - jenv->ReleaseStringUTFChars(jApkName, apkName); -} - -extern "C" NS_EXPORT void MOZ_JNICALL -Java_org_mozilla_gecko_mozglue_GeckoLoader_loadGeckoLibsNative(JNIEnv *jenv, jclass jGeckoAppShellClass, jstring jApkName) -{ - jenv->GetJavaVM(&sJavaVM); - - const char* str; - // XXX: java doesn't give us true UTF8, we should figure out something - // better to do here - str = jenv->GetStringUTFChars(jApkName, nullptr); - if (str == nullptr) - return; - - int res = loadGeckoLibs(str); - if (res != SUCCESS) { - JNI_Throw(jenv, "java/lang/Exception", "Error loading gecko libraries"); - } - jenv->ReleaseStringUTFChars(jApkName, str); -} - -extern "C" NS_EXPORT void MOZ_JNICALL -Java_org_mozilla_gecko_mozglue_GeckoLoader_loadSQLiteLibsNative(JNIEnv *jenv, jclass jGeckoAppShellClass, jstring jApkName) { - const char* str; - // XXX: java doesn't give us true UTF8, we should figure out something - // better to do here - str = jenv->GetStringUTFChars(jApkName, nullptr); - if (str == nullptr) - return; - - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Load sqlite start\n"); - mozglueresult rv = loadSQLiteLibs(str); - if (rv != SUCCESS) { - JNI_Throw(jenv, "java/lang/Exception", "Error loading sqlite libraries"); - } - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Load sqlite done\n"); - jenv->ReleaseStringUTFChars(jApkName, str); -} - -extern "C" NS_EXPORT void MOZ_JNICALL -Java_org_mozilla_gecko_mozglue_GeckoLoader_loadNSSLibsNative(JNIEnv *jenv, jclass jGeckoAppShellClass, jstring jApkName) { - const char* str; - // XXX: java doesn't give us true UTF8, we should figure out something - // better to do here - str = jenv->GetStringUTFChars(jApkName, nullptr); - if (str == nullptr) - return; - - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Load nss start\n"); - mozglueresult rv = loadNSSLibs(str); - if (rv != SUCCESS) { - JNI_Throw(jenv, "java/lang/Exception", "Error loading nss libraries"); - } - __android_log_print(ANDROID_LOG_ERROR, "GeckoLibLoad", "Load nss done\n"); - jenv->ReleaseStringUTFChars(jApkName, str); -} - -typedef void (*GeckoStart_t)(JNIEnv*, char*, const nsXREAppData*); - -extern "C" NS_EXPORT void MOZ_JNICALL -Java_org_mozilla_gecko_mozglue_GeckoLoader_nativeRun(JNIEnv *jenv, jclass jc, jstring jargs) -{ - GeckoStart_t GeckoStart; - xul_dlsym("GeckoStart", &GeckoStart); - if (GeckoStart == nullptr) - return; - // XXX: java doesn't give us true UTF8, we should figure out something - // better to do here - int len = jenv->GetStringUTFLength(jargs); - // GeckoStart needs to write in the args buffer, so we need a copy. - char *args = (char *) malloc(len + 1); - jenv->GetStringUTFRegion(jargs, 0, len, args); - args[len] = '\0'; - ElfLoader::Singleton.ExpectShutdown(false); - GeckoStart(jenv, args, &sAppData); - ElfLoader::Singleton.ExpectShutdown(true); - free(args); -} - -typedef int GeckoProcessType; - -extern "C" NS_EXPORT mozglueresult -ChildProcessInit(int argc, char* argv[]) -{ - int i; - for (i = 0; i < (argc - 1); i++) { - if (strcmp(argv[i], "-greomni")) - continue; - - i = i + 1; - break; - } - - if (loadNSSLibs(argv[i]) != SUCCESS) { - return FAILURE; - } - if (loadSQLiteLibs(argv[i]) != SUCCESS) { - return FAILURE; - } - if (loadGeckoLibs(argv[i]) != SUCCESS) { - return FAILURE; - } - - void (*fXRE_SetProcessType)(char*); - xul_dlsym("XRE_SetProcessType", &fXRE_SetProcessType); - - mozglueresult (*fXRE_InitChildProcess)(int, char**, void*); - xul_dlsym("XRE_InitChildProcess", &fXRE_InitChildProcess); - - fXRE_SetProcessType(argv[--argc]); - - XREChildData childData; - return fXRE_InitChildProcess(argc, argv, &childData); -} - |