+ mono_debug_free_method_jit_info (jit);
+}
+
+/*
+ * The old Debugger breakpoint interface.
+ *
+ * This interface is used to insert breakpoints on methods which are not yet JITed.
+ * The debugging code keeps a list of all such breakpoints and automatically inserts the
+ * breakpoint when the method is JITed.
+ */
+
+static GPtrArray *breakpoints = NULL;
+
+int
+mono_debugger_insert_breakpoint_full (MonoMethodDesc *desc)
+{
+ static int last_breakpoint_id = 0;
+ MiniDebugBreakpointInfo *info;
+
+ info = g_new0 (MiniDebugBreakpointInfo, 1);
+ info->desc = desc;
+ info->index = ++last_breakpoint_id;
+
+ if (!breakpoints)
+ breakpoints = g_ptr_array_new ();
+
+ g_ptr_array_add (breakpoints, info);
+
+ return info->index;
+}
+
+int
+mono_debugger_remove_breakpoint (int breakpoint_id)
+{
+ int i;
+
+ if (!breakpoints)
+ return 0;
+
+ for (i = 0; i < breakpoints->len; i++) {
+ MiniDebugBreakpointInfo *info = g_ptr_array_index (breakpoints, i);
+
+ if (info->index != breakpoint_id)
+ continue;
+
+ mono_method_desc_free (info->desc);
+ g_ptr_array_remove (breakpoints, info);
+ g_free (info);
+ return 1;
+ }
+
+ return 0;
+}
+
+int
+mono_debugger_insert_breakpoint (const gchar *method_name, gboolean include_namespace)
+{
+ MonoMethodDesc *desc;
+
+ desc = mono_method_desc_new (method_name, include_namespace);
+ if (!desc)
+ return 0;
+
+ return mono_debugger_insert_breakpoint_full (desc);
+}
+
+int
+mono_debugger_method_has_breakpoint (MonoMethod *method)
+{
+ int i;
+
+ if (!breakpoints || ((method->wrapper_type != MONO_WRAPPER_NONE) &&
+ (method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)))
+ return 0;
+
+ for (i = 0; i < breakpoints->len; i++) {
+ MiniDebugBreakpointInfo *info = g_ptr_array_index (breakpoints, i);
+
+ if (!mono_method_desc_full_match (info->desc, method))
+ continue;
+
+ return info->index;
+ }
+
+ return 0;
+}
+
+void
+mono_debugger_breakpoint_callback (MonoMethod *method, guint32 index)
+{
+ mono_debugger_event (MONO_DEBUGGER_EVENT_JIT_BREAKPOINT, (guint64) (gsize) method, index);
+}
+
+void
+mono_debugger_thread_created (gsize tid, MonoThread *thread, MonoJitTlsData *jit_tls, gpointer func)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ size_t stsize = 0;
+ guint8 *staddr = NULL;
+ MonoDebuggerThreadInfo *info;
+
+ if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
+ return;
+
+ mono_debugger_lock ();
+
+ mono_thread_get_stack_bounds (&staddr, &stsize);
+
+ info = g_new0 (MonoDebuggerThreadInfo, 1);
+ info->tid = tid;
+ info->thread = thread;
+ info->stack_start = (guint64) (gsize) staddr;
+ info->signal_stack_start = (guint64) (gsize) jit_tls->signal_stack;
+ info->stack_size = stsize;
+ info->signal_stack_size = jit_tls->signal_stack_size;
+ info->end_stack = (guint64) (gsize) GC_mono_debugger_get_stack_ptr ();
+ info->lmf_addr = (guint64) (gsize) mono_get_lmf_addr ();
+ info->jit_tls = jit_tls;
+
+ if (func)
+ info->thread_flags = MONO_DEBUGGER_THREAD_FLAGS_INTERNAL;
+ if (thread->internal_thread->threadpool_thread)
+ info->thread_flags |= MONO_DEBUGGER_THREAD_FLAGS_THREADPOOL;
+
+ info->next = mono_debugger_thread_table;
+ mono_debugger_thread_table = info;
+
+ mono_debugger_event (MONO_DEBUGGER_EVENT_THREAD_CREATED,
+ tid, (guint64) (gsize) info);
+
+ mono_debugger_unlock ();
+#endif /* MONO_DEBUGGER_SUPPORTED */
+}
+
+void
+mono_debugger_thread_cleanup (MonoJitTlsData *jit_tls)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ MonoDebuggerThreadInfo **ptr;
+
+ if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
+ return;
+
+ mono_debugger_lock ();
+
+ for (ptr = &mono_debugger_thread_table; *ptr; ptr = &(*ptr)->next) {
+ MonoDebuggerThreadInfo *info = *ptr;
+
+ if (info->jit_tls != jit_tls)
+ continue;
+
+ mono_debugger_event (MONO_DEBUGGER_EVENT_THREAD_CLEANUP,
+ info->tid, (guint64) (gsize) info);
+
+ *ptr = info->next;
+ g_free (info);
+ break;
+ }
+
+ mono_debugger_unlock ();
+#endif
+}
+
+void
+mono_debugger_extended_notification (MonoDebuggerEvent event, guint64 data, guint64 arg)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ MonoDebuggerThreadInfo **ptr;
+ MonoThread *thread = mono_thread_current ();
+
+ if (!mono_debug_using_mono_debugger ())
+ return;
+
+ mono_debugger_lock ();
+
+ for (ptr = &mono_debugger_thread_table; *ptr; ptr = &(*ptr)->next) {
+ MonoDebuggerThreadInfo *info = *ptr;
+
+ if (info->thread != thread)
+ continue;
+
+ if ((info->extended_notifications & (int) event) == 0)
+ continue;
+
+ mono_debugger_event (event, data, arg);
+ }
+
+ mono_debugger_unlock ();
+#endif
+}
+
+void
+mono_debugger_trampoline_compiled (const guint8 *trampoline, MonoMethod *method, const guint8 *code)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ struct {
+ const guint8 * trampoline;
+ MonoMethod *method;
+ const guint8 *code;
+ } info = { trampoline, method, code };
+
+ mono_debugger_extended_notification (MONO_DEBUGGER_EVENT_OLD_TRAMPOLINE,
+ (guint64) (gsize) method, (guint64) (gsize) code);
+ mono_debugger_extended_notification (MONO_DEBUGGER_EVENT_TRAMPOLINE,
+ (guint64) (gsize) &info, 0);
+#endif
+}
+
+#if MONO_DEBUGGER_SUPPORTED
+static MonoDebuggerThreadInfo *
+find_debugger_thread_info (MonoThread *thread)
+{
+ MonoDebuggerThreadInfo **ptr;
+
+ for (ptr = &mono_debugger_thread_table; *ptr; ptr = &(*ptr)->next) {
+ MonoDebuggerThreadInfo *info = *ptr;
+
+ if (info->thread == thread)
+ return info;
+ }
+
+ return NULL;
+}
+#endif
+
+MonoDebuggerExceptionAction
+_mono_debugger_throw_exception (gpointer addr, gpointer stack, MonoObject *exc)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ MonoDebuggerExceptionInfo exc_info;
+ MonoDebuggerThreadInfo *thread_info;
+
+ if (!mono_debug_using_mono_debugger ())
+ return MONO_DEBUGGER_EXCEPTION_ACTION_NONE;
+
+ mono_debugger_lock ();
+
+ thread_info = find_debugger_thread_info (mono_thread_current ());
+ if (!thread_info) {
+ mono_debugger_unlock ();
+ return MONO_DEBUGGER_EXCEPTION_ACTION_NONE;
+ }
+
+ if (thread_info->exception_state.stopped_on_exception ||
+ thread_info->exception_state.stopped_on_unhandled) {
+ thread_info->exception_state.stopped_on_exception = 0;
+ mono_debugger_unlock ();
+ return MONO_DEBUGGER_EXCEPTION_ACTION_NONE;
+ }
+
+ /* Protect the exception object from being garbage collected. */
+
+ thread_info->exception_state.stopped_on_unhandled = 0;
+ thread_info->exception_state.stopped_on_exception = 1;
+ thread_info->exception_state.last_exception = exc;
+
+ /*
+ * Backwards compatibility:
+ *
+ * Older debugger versions only know `exc_info.stop' and older runtime versions check
+ * `exc_info.stop != 0'.
+ *
+ * The debugger must check for `mono_debug_debugger_version >= 5' before accessing the
+ * `stop_unhandled' field.
+ */
+
+ exc_info.stack_pointer = stack;
+ exc_info.exception_obj = exc;
+ exc_info.stop = 0;
+ exc_info.stop_unhandled = 0;
+
+ mono_debugger_event (MONO_DEBUGGER_EVENT_THROW_EXCEPTION, (guint64) (gsize) &exc_info,
+ (guint64) (gsize) addr);
+
+ if (!exc_info.stop) {
+ thread_info->exception_state.stopped_on_exception = 0;
+ thread_info->exception_state.last_exception = NULL;
+ }
+
+ mono_debugger_unlock ();
+
+ if (exc_info.stop)
+ return MONO_DEBUGGER_EXCEPTION_ACTION_STOP;
+ else if (exc_info.stop_unhandled)
+ return MONO_DEBUGGER_EXCEPTION_ACTION_STOP_UNHANDLED;
+#endif
+
+ return MONO_DEBUGGER_EXCEPTION_ACTION_NONE;
+}
+
+gboolean
+_mono_debugger_unhandled_exception (gpointer addr, gpointer stack, MonoObject *exc)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ MonoDebuggerThreadInfo *thread_info;
+
+ if (!mono_debug_using_mono_debugger ())
+ return FALSE;
+
+ if (exc) {
+ const gchar *name = mono_class_get_name (mono_object_get_class (exc));
+ if (!strcmp (name, "ThreadAbortException"))
+ return FALSE;
+ }
+
+ mono_debugger_lock ();
+
+ thread_info = find_debugger_thread_info (mono_thread_current ());
+ if (!thread_info) {
+ mono_debugger_unlock ();
+ return FALSE;
+ }
+
+ if (thread_info->exception_state.stopped_on_unhandled) {
+ thread_info->exception_state.stopped_on_unhandled = 0;
+ mono_debugger_unlock ();
+ return FALSE;
+ }
+
+ thread_info->exception_state.stopped_on_unhandled = 1;
+ thread_info->exception_state.last_exception = exc;
+
+ mono_debugger_event (MONO_DEBUGGER_EVENT_UNHANDLED_EXCEPTION,
+ (guint64) (gsize) exc, (guint64) (gsize) addr);
+
+ return TRUE;
+#else
+ return FALSE;
+#endif
+}
+
+/*
+ * mono_debugger_call_exception_handler:
+ *
+ * Called from mono_handle_exception_internal() to tell the debugger that we're about
+ * to invoke an exception handler.
+ *
+ * The debugger may choose to set a breakpoint at @addr. This is used if the user is
+ * single-stepping from a `try' into a `catch' block, for instance.
+ */
+
+void
+mono_debugger_call_exception_handler (gpointer addr, gpointer stack, MonoObject *exc)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ MonoDebuggerThreadInfo *thread_info;
+ MonoDebuggerExceptionInfo exc_info;
+
+ if (!mono_debug_using_mono_debugger ())
+ return;
+
+ mono_debugger_lock ();
+
+ thread_info = find_debugger_thread_info (mono_thread_current ());
+ if (!thread_info) {
+ mono_debugger_unlock ();
+ return;
+ }
+
+ // Prevent the object from being finalized.
+ thread_info->exception_state.last_exception = exc;
+
+ exc_info.stack_pointer = stack;
+ exc_info.exception_obj = exc;
+ exc_info.stop = 0;
+ exc_info.stop_unhandled = 0;
+
+ mono_debugger_event (MONO_DEBUGGER_EVENT_HANDLE_EXCEPTION, (guint64) (gsize) &exc_info,
+ (guint64) (gsize) addr);
+
+ mono_debugger_unlock ();
+#endif
+}
+
+#ifdef MONO_DEBUGGER_SUPPORTED
+
+static gchar *
+get_exception_message (MonoObject *exc)
+{
+ char *message = NULL;
+ MonoString *str;
+ MonoMethod *method;
+ MonoClass *klass;
+ gint i;
+
+ if (mono_object_isinst (exc, mono_defaults.exception_class)) {
+ klass = exc->vtable->klass;
+ method = NULL;
+ while (klass && method == NULL) {
+ for (i = 0; i < klass->method.count; ++i) {
+ method = klass->methods [i];
+ if (!strcmp ("ToString", method->name) &&
+ mono_method_signature (method)->param_count == 0 &&
+ method->flags & METHOD_ATTRIBUTE_VIRTUAL &&
+ method->flags & METHOD_ATTRIBUTE_PUBLIC) {
+ break;
+ }
+ method = NULL;
+ }
+
+ if (method == NULL)
+ klass = klass->parent;
+ }
+
+ g_assert (method);
+
+ str = (MonoString *) mono_runtime_invoke (method, exc, NULL, NULL);
+ if (str)
+ message = mono_string_to_utf8 (str);
+ }
+
+ return message;