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monodroid-glue.cc
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monodroid-glue.cc
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#include <array>
#include <cstdlib>
#include <cstdarg>
#include <jni.h>
#include <ctime>
#include <cstdio>
#include <cstring>
#include <strings.h>
#include <cctype>
#include <cerrno>
#if !defined (__MINGW32__) || (defined (__MINGW32__) && __GNUC__ >= 10)
#include <compare>
#endif // ndef MINGW32 || def MINGW32 && GNUC >= 10
#if defined (APPLE_OS_X)
#include <dlfcn.h>
#endif // def APPLE_OX_X
#include <fcntl.h>
#include <unistd.h>
#include <cstdint>
#include <sys/time.h>
#include <sys/types.h>
#include <mono/jit/jit.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/assembly.h>
#include <mono/metadata/debug-helpers.h>
#include <mono/metadata/mono-config.h>
#include <mono/metadata/mono-debug.h>
#include <mono/metadata/object.h>
#include <mono/utils/mono-dl-fallback.h>
#include <mono/utils/mono-logger.h>
#include "mono_android_Runtime.h"
#if defined (DEBUG) && !defined (WINDOWS)
#include <fcntl.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#if defined (__linux__) || defined (__linux)
#include <sys/syscall.h>
#endif
#if defined (APPLE_OS_X)
#include <libgen.h>
#endif // defined(APPLE_OS_X)
#ifndef WINDOWS
#include <sys/mman.h>
#include <sys/utsname.h>
#else
#include <windef.h>
#include <winbase.h>
#include <shlobj.h>
#include <objbase.h>
#include <knownfolders.h>
#include <shlwapi.h>
#endif
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <pthread.h>
#include "java-interop-util.h"
#include "logger.hh"
#include "monodroid.h"
#include "util.hh"
#include "debug.hh"
#include "embedded-assemblies.hh"
#include "monodroid-glue.hh"
#include "mkbundle-api.h"
#include "monodroid-glue-internal.hh"
#include "globals.hh"
#include "xamarin-app.hh"
#include "timing.hh"
#include "xa-internal-api-impl.hh"
#include "build-info.hh"
#include "monovm-properties.hh"
#include "startup-aware-lock.hh"
#ifndef WINDOWS
#include "xamarin_getifaddrs.h"
#endif
#include "cpp-util.hh"
#include "strings.hh"
#include "java-interop-dlfcn.h"
using namespace microsoft::java_interop;
using namespace xamarin::android;
using namespace xamarin::android::internal;
// This is below the above because we don't want to modify the header with our internal
// implementation details as it would prevent mkbundle from working
#include "mkbundle-api.h"
#if !defined (NET6)
#include "config.include"
#include "machine.config.include"
std::mutex MonodroidRuntime::api_init_lock;
void *MonodroidRuntime::api_dso_handle = nullptr;
#else // ndef NET6
std::mutex MonodroidRuntime::pinvoke_map_write_lock;
MonoCoreRuntimeProperties MonodroidRuntime::monovm_core_properties = {
.trusted_platform_assemblies = nullptr,
.app_paths = nullptr,
.native_dll_search_directories = nullptr,
.pinvoke_override = &MonodroidRuntime::monodroid_pinvoke_override
};
#endif // def NET6
std::mutex MonodroidRuntime::dso_handle_write_lock;
bool MonodroidRuntime::startup_in_progress = true;
#ifdef WINDOWS
static const char* get_xamarin_android_msbuild_path (void);
const char *BasicAndroidSystem::SYSTEM_LIB_PATH = get_xamarin_android_msbuild_path();
/* Set of Windows-specific utility/reimplementation of Unix functions */
static char *msbuild_folder_path = nullptr;
static const char*
get_xamarin_android_msbuild_path (void)
{
const char *suffix = "MSBuild\\Xamarin\\Android";
char *base_path = nullptr;
wchar_t *buffer = nullptr;
if (msbuild_folder_path != nullptr)
return msbuild_folder_path;
// Get the base path for 'Program Files' on Windows
if (!SUCCEEDED (SHGetKnownFolderPath (FOLDERID_ProgramFilesX86, 0, nullptr, &buffer))) {
if (buffer != nullptr)
CoTaskMemFree (buffer);
// returns current directory if a global one couldn't be found
return ".";
}
// Compute the final path
base_path = utils.utf16_to_utf8 (buffer);
CoTaskMemFree (buffer);
msbuild_folder_path = utils.path_combine (base_path, suffix);
free (base_path);
return msbuild_folder_path;
}
static int
setenv(const char *name, const char *value, int overwrite)
{
return androidSystem.setenv (name, value, overwrite);
}
#endif // def WINDOWS
#if !defined (NET6)
typedef void* (*mono_mkbundle_init_ptr) (void (*)(const MonoBundledAssembly **), void (*)(const char* assembly_name, const char* config_xml),void (*) (int mode));
mono_mkbundle_init_ptr mono_mkbundle_init;
typedef void (*mono_mkbundle_initialize_mono_api_ptr) (const BundleMonoAPI *info);
mono_mkbundle_initialize_mono_api_ptr mono_mkbundle_initialize_mono_api;
void
MonodroidRuntime::setup_bundled_app (const char *dso_name)
{
if (!application_config.is_a_bundled_app)
return;
static unsigned int dlopen_flags = JAVA_INTEROP_LIB_LOAD_LOCALLY;
void *libapp = nullptr;
if (androidSystem.is_embedded_dso_mode_enabled ()) {
log_info (LOG_DEFAULT, "bundle app: embedded DSO mode");
libapp = androidSystem.load_dso_from_any_directories (dso_name, dlopen_flags);
} else {
log_info (LOG_DEFAULT, "bundle app: normal mode");
dynamic_local_string<SENSIBLE_PATH_MAX> bundle_path;
if (!androidSystem.get_full_dso_path_on_disk (dso_name, bundle_path)) {
log_info (LOG_DEFAULT, "bundle %s not found on filesystem", dso_name);
return;
}
log_info (LOG_BUNDLE, "Attempting to load bundled app from %s", bundle_path.get ());
libapp = androidSystem.load_dso (bundle_path.get (), dlopen_flags, true);
}
if (libapp == nullptr) {
log_info (LOG_DEFAULT, "No libapp!");
if (!androidSystem.is_embedded_dso_mode_enabled ()) {
log_fatal (LOG_BUNDLE, "bundled app initialization error");
exit (FATAL_EXIT_CANNOT_LOAD_BUNDLE);
} else {
log_info (LOG_BUNDLE, "bundled app not found in the APK, ignoring.");
return;
}
}
mono_mkbundle_initialize_mono_api = reinterpret_cast<mono_mkbundle_initialize_mono_api_ptr> (java_interop_lib_symbol (libapp, "initialize_mono_api", nullptr));
if (mono_mkbundle_initialize_mono_api == nullptr)
log_error (LOG_BUNDLE, "Missing initialize_mono_api in the application");
mono_mkbundle_init = reinterpret_cast<mono_mkbundle_init_ptr> (java_interop_lib_symbol (libapp, "mono_mkbundle_init", nullptr));
if (mono_mkbundle_init == nullptr)
log_error (LOG_BUNDLE, "Missing mono_mkbundle_init in the application");
log_info (LOG_BUNDLE, "Bundled app loaded: %s", dso_name);
}
#endif
void
MonodroidRuntime::thread_start ([[maybe_unused]] MonoProfiler *prof, [[maybe_unused]] uintptr_t tid)
{
JNIEnv* env;
int r;
#ifdef PLATFORM_ANDROID
r = osBridge.get_jvm ()->AttachCurrentThread (&env, nullptr);
#else // ndef PLATFORM_ANDROID
r = osBridge.get_jvm ()->AttachCurrentThread (reinterpret_cast<void**>(&env), nullptr);
#endif // ndef PLATFORM_ANDROID
if (r != JNI_OK) {
#if DEBUG
log_fatal (LOG_DEFAULT, "ERROR: Unable to attach current thread to the Java VM!");
exit (FATAL_EXIT_ATTACH_JVM_FAILED);
#endif
}
}
void
MonodroidRuntime::thread_end ([[maybe_unused]] MonoProfiler *prof, [[maybe_unused]] uintptr_t tid)
{
int r;
r = osBridge.get_jvm ()->DetachCurrentThread ();
if (r != JNI_OK) {
#if DEBUG
/*
log_fatal (LOG_DEFAULT, "ERROR: Unable to detach current thread from the Java VM!");
*/
#endif
}
}
inline void
MonodroidRuntime::log_jit_event (MonoMethod *method, const char *event_name)
{
jit_time.mark_end ();
if (jit_log == nullptr)
return;
char* name = mono_method_full_name (method, 1);
timing_diff diff (jit_time);
fprintf (jit_log, "JIT method %6s: %s elapsed: %lis:%u::%u\n", event_name, name, static_cast<long int>(diff.sec), diff.ms, diff.ns);
free (name);
}
void
MonodroidRuntime::jit_begin ([[maybe_unused]] MonoProfiler *prof, MonoMethod *method)
{
monodroidRuntime.log_jit_event (method, "begin");
}
void
MonodroidRuntime::jit_failed ([[maybe_unused]] MonoProfiler *prof, MonoMethod *method)
{
monodroidRuntime.log_jit_event (method, "failed");
}
void
MonodroidRuntime::jit_done ([[maybe_unused]] MonoProfiler *prof, MonoMethod *method, [[maybe_unused]] MonoJitInfo* jinfo)
{
monodroidRuntime.log_jit_event (method, "done");
}
#ifndef RELEASE
MonoAssembly*
MonodroidRuntime::open_from_update_dir (MonoAssemblyName *aname, [[maybe_unused]] char **assemblies_path, [[maybe_unused]] void *user_data)
{
MonoAssembly *result = nullptr;
#ifndef ANDROID
// First check if there are any in-memory assemblies
if (designerAssemblies.has_assemblies ()) {
MonoDomain *domain = mono_domain_get ();
result = designerAssemblies.try_load_assembly (domain, aname);
if (result != nullptr) {
log_debug (LOG_ASSEMBLY, "Loaded assembly %s from memory in domain %d", mono_assembly_name_get_name (aname), mono_domain_get_id (domain));
return result;
}
log_debug (LOG_ASSEMBLY, "No in-memory data found for assembly %s", mono_assembly_name_get_name (aname));
} else {
log_debug (LOG_ASSEMBLY, "No in-memory assemblies detected", mono_assembly_name_get_name (aname));
}
#endif
const char *override_dir;
bool found = false;
for (uint32_t oi = 0; oi < AndroidSystem::MAX_OVERRIDES; ++oi) {
override_dir = androidSystem.get_override_dir (oi);
if (override_dir != nullptr && utils.directory_exists (override_dir)) {
found = true;
break;
}
}
if (!found)
return nullptr;
const char *culture = reinterpret_cast<const char*> (mono_assembly_name_get_culture (aname));
const char *name = reinterpret_cast<const char*> (mono_assembly_name_get_name (aname));
size_t culture_len;
if (culture != nullptr)
culture_len = strlen (culture);
else
culture_len = 0;
size_t name_len = strlen (name);
static_local_string<SENSIBLE_PATH_MAX> pname (name_len + culture_len);
if (culture_len > 0) {
pname.append (culture, culture_len);
pname.append ("/");
}
pname.append (name, name_len);
constexpr size_t dll_extension_len = sizeof(SharedConstants::DLL_EXTENSION) - 1;
bool is_dll = utils.ends_with (name, SharedConstants::DLL_EXTENSION);
size_t file_name_len = pname.length () + 1;
if (!is_dll)
file_name_len += dll_extension_len;
for (uint32_t oi = 0; oi < AndroidSystem::MAX_OVERRIDES; ++oi) {
override_dir = androidSystem.get_override_dir (oi);
if (override_dir == nullptr || !utils.directory_exists (override_dir))
continue;
size_t override_dir_len = strlen (override_dir);
static_local_string<SENSIBLE_PATH_MAX> fullpath (override_dir_len + file_name_len);
utils.path_combine (fullpath, override_dir, override_dir_len, pname.get (), pname.length ());
if (!is_dll) {
fullpath.append (SharedConstants::DLL_EXTENSION, dll_extension_len);
}
log_info (LOG_ASSEMBLY, "open_from_update_dir: trying to open assembly: %s\n", fullpath.get ());
if (utils.file_exists (fullpath.get ()))
result = mono_assembly_open_full (fullpath.get (), nullptr, 0);
if (result != nullptr) {
// TODO: register .mdb, .pdb file
break;
}
}
if (result && utils.should_log (LOG_ASSEMBLY)) {
log_info_nocheck (LOG_ASSEMBLY, "open_from_update_dir: loaded assembly: %p\n", result);
}
return result;
}
#endif
bool
MonodroidRuntime::should_register_file ([[maybe_unused]] const char *filename)
{
#ifndef RELEASE
if (filename == nullptr) {
return true;
}
size_t filename_len = strlen (filename) + 1; // includes space for path separator
for (size_t i = 0; i < AndroidSystem::MAX_OVERRIDES; ++i) {
const char *odir = androidSystem.get_override_dir (i);
if (odir == nullptr)
continue;
size_t odir_len = strlen (odir);
static_local_string<SENSIBLE_PATH_MAX> p (odir_len + filename_len);
utils.path_combine (p, odir, odir_len, filename, filename_len);
bool exists = utils.file_exists (p.get ());
if (exists) {
log_info (LOG_ASSEMBLY, "should not register '%s' as it exists in the override directory '%s'", filename, odir);
return !exists;
}
}
#endif
return true;
}
inline void
MonodroidRuntime::gather_bundled_assemblies (jstring_array_wrapper &runtimeApks, size_t *out_user_assemblies_count, bool have_split_apks)
{
#if defined(DEBUG) || !defined (ANDROID)
if (application_config.instant_run_enabled) {
for (size_t i = 0; i < AndroidSystem::MAX_OVERRIDES; ++i) {
const char *p = androidSystem.get_override_dir (i);
if (!utils.directory_exists (p))
continue;
log_info (LOG_ASSEMBLY, "Loading TypeMaps from %s", p);
embeddedAssemblies.try_load_typemaps_from_directory (p);
}
}
#endif
int64_t apk_count = static_cast<int64_t>(runtimeApks.get_length ());
size_t prev_num_assemblies = 0;
bool got_split_config_abi_apk = false;
bool got_base_apk = false;
for (int64_t i = 0; i < apk_count; i++) {
jstring_wrapper &apk_file = runtimeApks [static_cast<size_t>(i)];
if (have_split_apks) {
bool scan_apk = false;
if (!got_split_config_abi_apk && utils.ends_with (apk_file.get_cstr (), SharedConstants::split_config_abi_apk_name)) {
got_split_config_abi_apk = scan_apk = true;
} else if (!got_base_apk && utils.ends_with (apk_file.get_cstr (), base_apk_name)) {
got_base_apk = scan_apk = true;
}
if (!scan_apk) {
continue;
}
}
size_t cur_num_assemblies = embeddedAssemblies.register_from<should_register_file> (apk_file.get_cstr ());
*out_user_assemblies_count += (cur_num_assemblies - prev_num_assemblies);
prev_num_assemblies = cur_num_assemblies;
if (!embeddedAssemblies.keep_scanning ()) {
break;
}
}
embeddedAssemblies.ensure_valid_assembly_stores ();
}
#if defined (DEBUG) && !defined (WINDOWS)
int
MonodroidRuntime::monodroid_debug_connect (int sock, struct sockaddr_in addr)
{
long flags = fcntl (sock, F_GETFL, nullptr);
flags |= O_NONBLOCK;
fcntl (sock, F_SETFL, flags);
int res = connect (sock, (struct sockaddr *) &addr, sizeof (addr));
if (res < 0) {
if (errno == EINPROGRESS) {
while (true) {
timeval tv;
tv.tv_sec = 2;
tv.tv_usec = 0;
fd_set fds;
FD_ZERO (&fds);
FD_SET (sock, &fds);
res = select (sock + 1, 0, &fds, 0, &tv);
if (res <= 0 && errno != EINTR) return -5;
socklen_t len = sizeof (int);
int val = 0;
if (getsockopt (sock, SOL_SOCKET, SO_ERROR, &val, &len) < 0) return -3;
if (val) return -4;
break;
}
} else {
return -2;
}
}
flags = fcntl (sock, F_GETFL, nullptr);
flags &= (~O_NONBLOCK);
fcntl (sock, F_SETFL, flags);
return 1;
}
int
MonodroidRuntime::monodroid_debug_accept (int sock, struct sockaddr_in addr)
{
ssize_t res = bind (sock, (struct sockaddr *) &addr, sizeof (addr));
if (res < 0)
return -1;
res = listen (sock, 1);
if (res < 0)
return -2;
int accepted = accept (sock, nullptr, nullptr);
if (accepted < 0)
return -3;
constexpr const char handshake_msg [] = "MonoDroid-Handshake\n";
constexpr size_t handshake_length = sizeof (handshake_msg) - 1;
do {
res = send (accepted, handshake_msg, handshake_length, 0);
} while (res == -1 && errno == EINTR);
if (res < 0)
return -4;
return accepted;
}
#endif
inline jint
MonodroidRuntime::Java_JNI_OnLoad (JavaVM *vm, [[maybe_unused]] void *reserved)
{
JNIEnv *env;
androidSystem.init_max_gref_count ();
vm->GetEnv ((void**)&env, JNI_VERSION_1_6);
osBridge.initialize_on_onload (vm, env);
return JNI_VERSION_1_6;
}
void
MonodroidRuntime::parse_gdb_options ()
{
dynamic_local_string<PROPERTY_VALUE_BUFFER_LEN> val;
if (!(androidSystem.monodroid_get_system_property (Debug::DEBUG_MONO_GDB_PROPERTY, val) > 0))
return;
constexpr char wait_param[] = "wait:";
constexpr size_t wait_param_length = sizeof(wait_param) - 1;
if (val.starts_with (wait_param)) {
/*
* The form of the property should be: 'wait:<timestamp>', where <timestamp> should be
* the output of date +%s in the android shell.
* If this property is set, wait for a native debugger to attach by spinning in a loop.
* The debugger can break the wait by setting 'monodroid_gdb_wait' to 0.
* If the current time is later than <timestamp> + 10s, the property is ignored.
*/
bool do_wait = true;
long long v = atoll (val.get () + wait_param_length);
if (v > 100000) {
time_t secs = time (nullptr);
if (v + 10 < secs) {
log_warn (LOG_DEFAULT, "Found stale %s property with value '%s', not waiting.", Debug::DEBUG_MONO_GDB_PROPERTY, val.get ());
do_wait = false;
}
}
wait_for_gdb = do_wait;
}
}
#if defined (DEBUG) && !defined (WINDOWS)
bool
MonodroidRuntime::parse_runtime_args (dynamic_local_string<PROPERTY_VALUE_BUFFER_LEN> &runtime_args, RuntimeOptions *options)
{
if (runtime_args.length () == 0) {
log_warn (LOG_DEFAULT, "runtime args empty");
return true;
}
constexpr char ARG_DEBUG[] = "debug";
constexpr size_t ARG_DEBUG_LENGTH = sizeof(ARG_DEBUG) - 1;
constexpr char ARG_TIMEOUT[] = "timeout=";
constexpr size_t ARG_TIMEOUT_LENGTH = sizeof(ARG_TIMEOUT) - 1;
constexpr char ARG_SERVER[] = "server=";
constexpr size_t ARG_SERVER_LENGTH = sizeof(ARG_SERVER) - 1;
constexpr char ARG_LOGLEVEL[] = "loglevel=";
constexpr size_t ARG_LOGLEVEL_LENGTH = sizeof(ARG_LOGLEVEL) - 1;
bool ret = true;
string_segment token;
while (runtime_args.next_token (',', token)) {
if (token.starts_with (ARG_DEBUG, ARG_DEBUG_LENGTH)) {
char *host = nullptr;
int sdb_port = 1000, out_port = -1;
options->debug = true;
if (token.has_at ('=', ARG_DEBUG_LENGTH)) {
constexpr size_t arg_name_length = ARG_DEBUG_LENGTH + 1; // Includes the '='
static_local_string<SMALL_STRING_PARSE_BUFFER_LEN> hostport (token.length () - arg_name_length);
hostport.assign (token.start () + arg_name_length, token.length () - arg_name_length);
string_segment address;
size_t field = 0;
while (field < 3 && hostport.next_token (':', address)) {
switch (field) {
case 0: // host
if (address.empty ()) {
log_error (LOG_DEFAULT, "Invalid --debug argument for the host field (empty string)");
} else {
host = utils.strdup_new (address.start (), address.length ());
}
break;
case 1: // sdb_port
if (!address.to_integer (sdb_port)) {
log_error (LOG_DEFAULT, "Invalid --debug argument for the sdb_port field");
}
break;
case 2: // out_port
if (!address.to_integer (out_port)) {
log_error (LOG_DEFAULT, "Invalid --debug argument for the sdb_port field");
}
break;
}
field++;
}
} else if (!token.has_at ('\0', ARG_DEBUG_LENGTH)) {
log_error (LOG_DEFAULT, "Invalid --debug argument.");
ret = false;
continue;
}
if (sdb_port < 0 || sdb_port > std::numeric_limits<unsigned short>::max ()) {
log_error (LOG_DEFAULT, "Invalid SDB port value %d", sdb_port);
ret = false;
continue;
}
if (out_port > std::numeric_limits<unsigned short>::max ()) {
log_error (LOG_DEFAULT, "Invalid output port value %d", out_port);
ret = false;
continue;
}
if (host == nullptr)
host = utils.strdup_new ("10.0.2.2");
options->host = host;
options->sdb_port = static_cast<uint16_t>(sdb_port);
options->out_port = out_port == -1 ? 0 : static_cast<uint16_t>(out_port);
} else if (token.starts_with (ARG_TIMEOUT, ARG_TIMEOUT_LENGTH)) {
if (!token.to_integer (options->timeout_time, ARG_TIMEOUT_LENGTH)) {
log_error (LOG_DEFAULT, "Invalid --timeout argument.");
ret = false;
}
} else if (token.starts_with (ARG_SERVER, ARG_SERVER_LENGTH)) {
options->server = token.has_at ('y', ARG_SERVER_LENGTH) || token.has_at ('Y', ARG_SERVER_LENGTH);
} else if (token.starts_with (ARG_LOGLEVEL, ARG_LOGLEVEL_LENGTH)) {
if (!token.to_integer (options->loglevel, ARG_LOGLEVEL_LENGTH)) {
log_error (LOG_DEFAULT, "Invalid --loglevel argument.");
ret = false;
}
} else {
static_local_string<SMALL_STRING_PARSE_BUFFER_LEN> arg (token);
log_error (LOG_DEFAULT, "Unknown runtime argument: '%s'", arg.get ());
ret = false;
}
}
return ret;
}
#endif // def DEBUG && !WINDOWS
inline void
MonodroidRuntime::set_debug_options (void)
{
if (androidSystem.monodroid_get_system_property (Debug::DEBUG_MONO_DEBUG_PROPERTY, nullptr) == 0)
return;
embeddedAssemblies.set_register_debug_symbols (true);
mono_debug_init (MONO_DEBUG_FORMAT_MONO);
}
void
MonodroidRuntime::mono_runtime_init ([[maybe_unused]] dynamic_local_string<PROPERTY_VALUE_BUFFER_LEN>& runtime_args)
{
#if defined (DEBUG) && !defined (WINDOWS)
RuntimeOptions options{};
int64_t cur_time;
cur_time = time (nullptr);
if (!parse_runtime_args (runtime_args, &options)) {
log_error (LOG_DEFAULT, "Failed to parse runtime args: '%s'", runtime_args.get ());
} else if (options.debug && cur_time > options.timeout_time) {
log_warn (LOG_DEBUGGER, "Not starting the debugger as the timeout value has been reached; current-time: %lli timeout: %lli", cur_time, options.timeout_time);
} else if (options.debug && cur_time <= options.timeout_time) {
embeddedAssemblies.set_register_debug_symbols (true);
int loglevel;
if (debug.have_debugger_log_level ())
loglevel = debug.get_debugger_log_level ();
else
loglevel = options.loglevel;
char *debug_arg = utils.monodroid_strdup_printf (
"--debugger-agent=transport=dt_socket,loglevel=%d,address=%s:%d,%sembedding=1",
loglevel,
options.host,
options.sdb_port,
options.server ? "server=y," : ""
);
char *debug_options [2] = {
debug_arg,
nullptr
};
// this text is used in unit tests to check the debugger started
// do not change it without updating the test.
log_warn (LOG_DEBUGGER, "Trying to initialize the debugger with options: %s", debug_arg);
if (options.out_port > 0) {
int sock = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sock < 0) {
log_fatal (LOG_DEBUGGER, "Could not construct a socket for stdout and stderr; does your app have the android.permission.INTERNET permission? %s", strerror (errno));
exit (FATAL_EXIT_DEBUGGER_CONNECT);
}
sockaddr_in addr;
memset (&addr, 0, sizeof (addr));
addr.sin_family = AF_INET;
addr.sin_port = htons (options.out_port);
int r;
if ((r = inet_pton (AF_INET, options.host, &addr.sin_addr)) != 1) {
log_error (LOG_DEBUGGER, "Could not setup a socket for stdout and stderr: %s",
r == -1 ? strerror (errno) : "address not parseable in the specified address family");
exit (FATAL_EXIT_DEBUGGER_CONNECT);
}
if (options.server) {
int accepted = monodroid_debug_accept (sock, addr);
log_warn (LOG_DEBUGGER, "Accepted stdout connection: %d", accepted);
if (accepted < 0) {
log_fatal (LOG_DEBUGGER, "Error accepting stdout and stderr (%s:%d): %s",
options.host, options.out_port, strerror (errno));
exit (FATAL_EXIT_DEBUGGER_CONNECT);
}
dup2 (accepted, 1);
dup2 (accepted, 2);
} else {
if (monodroid_debug_connect (sock, addr) != 1) {
log_fatal (LOG_DEBUGGER, "Error connecting stdout and stderr (%s:%d): %s",
options.host, options.out_port, strerror (errno));
exit (FATAL_EXIT_DEBUGGER_CONNECT);
}
dup2 (sock, 1);
dup2 (sock, 2);
}
}
if (debug.enable_soft_breakpoints ()) {
constexpr char soft_breakpoints[] = "--soft-breakpoints";
debug_options[1] = const_cast<char*> (soft_breakpoints);
mono_jit_parse_options (2, debug_options);
} else {
mono_jit_parse_options (1, debug_options);
}
mono_debug_init (MONO_DEBUG_FORMAT_MONO);
} else {
set_debug_options ();
}
delete[] options.host;
#else
set_debug_options ();
#endif
// TESTING ASAN: use-after-free
// char *x = new char[10]{};
// delete[] x;
// log_warn (LOG_DEFAULT, "x == %s", x);
// TESTING UBSAN: integer overflow
//log_warn (LOG_DEFAULT, "Let us have an overflow: %d", INT_MAX + 1);
bool log_methods = utils.should_log (LOG_TIMING) && !(log_timing_categories & LOG_TIMING_BARE);
if (XA_UNLIKELY (log_methods)) {
std::unique_ptr<char> jit_log_path {utils.path_combine (androidSystem.get_override_dir (0), "methods.txt")};
jit_log = utils.monodroid_fopen (jit_log_path.get (), "a");
utils.set_world_accessable (jit_log_path.get ());
}
profiler_handle = mono_profiler_create (nullptr);
mono_profiler_set_thread_started_callback (profiler_handle, thread_start);
mono_profiler_set_thread_stopped_callback (profiler_handle, thread_end);
if (XA_UNLIKELY (log_methods)) {
jit_time.mark_start ();
mono_profiler_set_jit_begin_callback (profiler_handle, jit_begin);
mono_profiler_set_jit_done_callback (profiler_handle, jit_done);
mono_profiler_set_jit_failed_callback (profiler_handle, jit_failed);
}
parse_gdb_options ();
if (wait_for_gdb) {
log_warn (LOG_DEFAULT, "Waiting for gdb to attach...");
while (monodroid_gdb_wait) {
sleep (1);
}
}
dynamic_local_string<PROPERTY_VALUE_BUFFER_LEN> prop_val;
/* Additional runtime arguments passed to mono_jit_parse_options () */
if (androidSystem.monodroid_get_system_property (Debug::DEBUG_MONO_RUNTIME_ARGS_PROPERTY, prop_val) > 0) {
char **ptr;
log_warn (LOG_DEBUGGER, "passing '%s' as extra arguments to the runtime.\n", prop_val.get ());
char **args = utils.monodroid_strsplit (prop_val.get (), " ", 0);
int argc = 0;
for (ptr = args; *ptr; ptr++)
argc ++;
mono_jit_parse_options (argc, args);
}
mono_set_signal_chaining (1);
mono_set_crash_chaining (1);
osBridge.register_gc_hooks ();
#if !defined (NET6)
if (mono_mkbundle_initialize_mono_api) {
BundleMonoAPI bundle_mono_api = {
.mono_register_bundled_assemblies = mono_register_bundled_assemblies,
.mono_register_config_for_assembly = mono_register_config_for_assembly,
.mono_jit_set_aot_mode = reinterpret_cast<void (*)(int)>(mono_jit_set_aot_mode),
.mono_aot_register_module = mono_aot_register_module,
.mono_config_parse_memory = mono_config_parse_memory,
.mono_register_machine_config = reinterpret_cast<void (*)(const char *)>(mono_register_machine_config),
};
/* The initialization function copies the struct */
mono_mkbundle_initialize_mono_api (&bundle_mono_api);
}
if (mono_mkbundle_init)
mono_mkbundle_init (mono_register_bundled_assemblies, mono_register_config_for_assembly, reinterpret_cast<void (*)(int)>(mono_jit_set_aot_mode));
#endif // ndef NET6
/*
* Assembly preload hooks are invoked in _reverse_ registration order.
* Looking for assemblies from the update dir takes precedence over
* everything else, and thus must go LAST.
*/
embeddedAssemblies.install_preload_hooks_for_appdomains ();
#ifndef RELEASE
mono_install_assembly_preload_hook (open_from_update_dir, nullptr);
#endif
}
#if defined (NET6)
void
MonodroidRuntime::cleanup_runtime_config (MonovmRuntimeConfigArguments *args, [[maybe_unused]] void *user_data)
{
if (args == nullptr || args->kind != 1 || args->runtimeconfig.data.data == nullptr) {
return;
}
#if !defined (WINDOWS)
munmap (static_cast<void*>(const_cast<char*>(args->runtimeconfig.data.data)), args->runtimeconfig.data.data_len);
#endif // ndef WINDOWS
}
#endif // def NET6
MonoDomain*
MonodroidRuntime::create_domain (JNIEnv *env, jstring_array_wrapper &runtimeApks, bool is_root_domain, bool have_split_apks)
{
size_t user_assemblies_count = 0;
#if defined (NET6)
constexpr bool have_mono_mkbundle_init = false;
#else // def NET6
bool have_mono_mkbundle_init = mono_mkbundle_init != nullptr;
#endif // ndef NET6
gather_bundled_assemblies (runtimeApks, &user_assemblies_count, have_split_apks);
#if defined (NET6)
timing_period blob_time;
if (XA_UNLIKELY (utils.should_log (LOG_TIMING)))
blob_time.mark_start ();
if (embeddedAssemblies.have_runtime_config_blob ()) {
runtime_config_args.kind = 1;
embeddedAssemblies.get_runtime_config_blob (runtime_config_args.runtimeconfig.data.data, runtime_config_args.runtimeconfig.data.data_len);
monovm_runtimeconfig_initialize (&runtime_config_args, cleanup_runtime_config, nullptr);
}
if (XA_UNLIKELY (utils.should_log (LOG_TIMING))) {
blob_time.mark_end ();
Timing::info (blob_time, "Register runtimeconfig binary blob");
}
#endif // def NET6
if (!have_mono_mkbundle_init && user_assemblies_count == 0 && androidSystem.count_override_assemblies () == 0 && !is_running_on_desktop) {
#if defined (DEBUG)
log_fatal (LOG_DEFAULT, "No assemblies found in '%s' or '%s'. Assuming this is part of Fast Deployment. Exiting...",
androidSystem.get_override_dir (0),
(AndroidSystem::MAX_OVERRIDES > 1 && androidSystem.get_override_dir (1) != nullptr) ? androidSystem.get_override_dir (1) : "<unavailable>");
#else
log_fatal (LOG_DEFAULT, "No assemblies (or assembly blobs) were found in the application APK file(s)");
#endif
log_fatal (LOG_DEFAULT, "Make sure that all entries in the APK directory named `assemblies/` are STORED (not compressed)");
log_fatal (LOG_DEFAULT, "If Android Gradle Plugin's minification feature is enabled, it is likely all the entries in `assemblies/` are compressed");
abort ();
}
MonoDomain *domain;
#if !defined (NET6)
if (is_root_domain) {
#endif // ndef NET6
domain = mono_jit_init_version (const_cast<char*> ("RootDomain"), const_cast<char*> ("mobile"));
#if !defined (NET6)
} else {
MonoDomain* root_domain = mono_get_root_domain ();
constexpr char DOMAIN_NAME[] = "MonoAndroidDomain";
constexpr size_t DOMAIN_NAME_LENGTH = sizeof(DOMAIN_NAME) - 1;
constexpr size_t DOMAIN_NAME_TOTAL_SIZE = DOMAIN_NAME_LENGTH + MAX_INTEGER_DIGIT_COUNT_BASE10;
static_local_string<DOMAIN_NAME_TOTAL_SIZE + 1> domain_name (DOMAIN_NAME_TOTAL_SIZE);
domain_name.append (DOMAIN_NAME);
domain_name.append (android_api_level);
domain = utils.monodroid_create_appdomain (root_domain, domain_name.get (), /*shadow_copy:*/ 1, /*shadow_directory:*/ androidSystem.get_override_dir (0));
}
#endif // ndef NET6
if constexpr (is_running_on_desktop) {
if (is_root_domain) {
c_unique_ptr<char> corlib_error_message_guard {const_cast<char*>(mono_check_corlib_version ())};
char *corlib_error_message = corlib_error_message_guard.get ();
if (corlib_error_message == nullptr) {
if (!androidSystem.monodroid_get_system_property ("xamarin.studio.fakefaultycorliberrormessage", &corlib_error_message)) {
corlib_error_message = nullptr;
}
}
if (corlib_error_message != nullptr) {
jclass ex_klass = env->FindClass ("mono/android/MonoRuntimeException");
env->ThrowNew (ex_klass, corlib_error_message);
return nullptr;
}
// Load a basic environment for the RootDomain if run on desktop so that we can unload
// and reload most assemblies including Mono.Android itself
MonoAssemblyName *aname = mono_assembly_name_new ("System");
mono_assembly_load_full (aname, nullptr, nullptr, 0);
mono_assembly_name_free (aname);
}
}
return domain;
}
inline int
MonodroidRuntime::LocalRefsAreIndirect (JNIEnv *env, jclass runtimeClass, int version)
{
if (version < 14) {
java_System = nullptr;
java_System_identityHashCode = 0;
return 0;
}
java_System = utils.get_class_from_runtime_field(env, runtimeClass, "java_lang_System", true);
java_System_identityHashCode = env->GetStaticMethodID (java_System, "identityHashCode", "(Ljava/lang/Object;)I");
return 1;
}
force_inline void
MonodroidRuntime::lookup_bridge_info (MonoClass *klass, const OSBridge::MonoJavaGCBridgeType *type, OSBridge::MonoJavaGCBridgeInfo *info)
{
info->klass = klass;
info->handle = mono_class_get_field_from_name (info->klass, const_cast<char*> ("handle"));
info->handle_type = mono_class_get_field_from_name (info->klass, const_cast<char*> ("handle_type"));
info->refs_added = mono_class_get_field_from_name (info->klass, const_cast<char*> ("refs_added"));
info->weak_handle = mono_class_get_field_from_name (info->klass, const_cast<char*> ("weak_handle"));
if (info->klass == nullptr || info->handle == nullptr || info->handle_type == nullptr ||