Avoid a crash in SET_KEEPALIVE if the socket transport is not initialized.
[mono.git] / mono / mini / debugger-agent.c
index 0ded1da3319c5774d3dec3f9557d170111c0f91c..b9d5cd4491365a1ae2aa69eaccc58f9840ecae4c 100644 (file)
@@ -135,6 +135,7 @@ typedef struct
        MonoMethod *api_method;
        MonoContext ctx;
        MonoDebugMethodJitInfo *jit;
+       MonoJitInfo *ji;
        int flags;
        mgreg_t *reg_locations [MONO_MAX_IREGS];
        /*
@@ -161,6 +162,7 @@ struct _InvokeData
        MonoMethod *method;
        gpointer *args;
        guint32 suspend_count;
+       int nmethods;
 
        InvokeData *last_invoke;
 };
@@ -275,7 +277,7 @@ typedef struct {
 #define HEADER_LENGTH 11
 
 #define MAJOR_VERSION 2
-#define MINOR_VERSION 17
+#define MINOR_VERSION 22
 
 typedef enum {
        CMD_SET_VM = 1,
@@ -358,7 +360,8 @@ typedef enum {
 
 typedef enum {
        STEP_FILTER_NONE = 0,
-       STEP_FILTER_STATIC_CTOR = 1
+       STEP_FILTER_STATIC_CTOR = 1,
+       STEP_FILTER_DEBUGGER_HIDDEN = 2
 } StepFilter;
 
 typedef enum {
@@ -400,7 +403,8 @@ typedef enum {
        CMD_VM_ABORT_INVOKE = 9,
        CMD_VM_SET_KEEPALIVE = 10,
        CMD_VM_GET_TYPES_FOR_SOURCE_FILE = 11,
-       CMD_VM_GET_TYPES = 12
+       CMD_VM_GET_TYPES = 12,
+       CMD_VM_INVOKE_METHODS = 13
 } CmdVM;
 
 typedef enum {
@@ -454,6 +458,7 @@ typedef enum {
        CMD_METHOD_GET_INFO = 6,
        CMD_METHOD_GET_BODY = 7,
        CMD_METHOD_RESOLVE_TOKEN = 8,
+       CMD_METHOD_GET_CATTRS = 9,
 } CmdMethod;
 
 typedef enum {
@@ -744,6 +749,8 @@ static void finish_agent_init (gboolean on_startup);
 
 static void process_profiler_event (EventKind event, gpointer arg);
 
+static void invalidate_frames (DebuggerTlsData *tls);
+
 #ifndef DISABLE_SOCKET_TRANSPORT
 static void
 register_socket_transport (void);
@@ -1051,15 +1058,30 @@ socket_transport_recv (void *buf, int len)
        int total = 0;
        int fd = conn_fd;
        int flags = 0;
+       static gint32 last_keepalive;
+       gint32 msecs;
 
        do {
        again:
                res = recv (fd, (char *) buf + total, len - total, flags);
                if (res > 0)
                        total += res;
-               if (agent_config.keepalive && res == -1 && get_last_sock_error () == MONO_EWOULDBLOCK) {
-                       process_profiler_event (EVENT_KIND_KEEPALIVE, NULL);
-                       goto again;
+               if (agent_config.keepalive) {
+                       gboolean need_keepalive = FALSE;
+                       if (res == -1 && get_last_sock_error () == MONO_EWOULDBLOCK) {
+                               need_keepalive = TRUE;
+                       } else if (res == -1) {
+                               /* This could happen if recv () is interrupted repeatedly */
+                               msecs = mono_msec_ticks ();
+                               if (msecs - last_keepalive >= agent_config.keepalive) {
+                                       need_keepalive = TRUE;
+                                       last_keepalive = msecs;
+                               }
+                       }
+                       if (need_keepalive) {
+                               process_profiler_event (EVENT_KIND_KEEPALIVE, NULL);
+                               goto again;
+                       }
                }
        } while ((res > 0 && total < len) || (res == -1 && get_last_sock_error () == MONO_EINTR));
        return total;
@@ -1075,7 +1097,7 @@ set_keepalive (void)
        struct timeval tv;
        int result;
 
-       if (!agent_config.keepalive)
+       if (!agent_config.keepalive || !conn_fd)
                return;
 
        tv.tv_sec = agent_config.keepalive / 1000;
@@ -2295,7 +2317,6 @@ get_last_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
                /* Store the context/lmf for the frame above the last frame */
                memcpy (&data->ctx, ctx, sizeof (MonoContext));
                data->lmf = info->lmf;
-
                return TRUE;
        }
 }
@@ -2456,15 +2477,23 @@ static void CALLBACK notify_thread_apc (ULONG_PTR param)
 /*
  * reset_native_thread_suspend_state:
  * 
- *   Reset the suspended flag on native threads
+ *   Reset the suspended flag and state on native threads
  */
 static void
 reset_native_thread_suspend_state (gpointer key, gpointer value, gpointer user_data)
 {
        DebuggerTlsData *tls = value;
 
-       if (!tls->really_suspended && tls->suspended)
+       if (!tls->really_suspended && tls->suspended) {
                tls->suspended = FALSE;
+               /*
+                * The thread might still be running if it was executing native code, so the state won't be invalided by
+                * suspend_current ().
+                */
+               tls->context.valid = FALSE;
+               tls->async_state.valid = FALSE;
+               invalidate_frames (tls);
+       }
 }
 
 /*
@@ -2773,7 +2802,7 @@ suspend_current (void)
        /* The frame info becomes invalid after a resume */
        tls->context.valid = FALSE;
        tls->async_state.valid = FALSE;
-       invalidate_frames (NULL);
+       invalidate_frames (tls);
 }
 
 static void
@@ -3010,6 +3039,7 @@ process_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
        frame->il_offset = info->il_offset;
        frame->native_offset = info->native_offset;
        frame->flags = flags;
+       frame->ji = info->ji;
        if (info->reg_locations)
                memcpy (frame->reg_locations, info->reg_locations, MONO_MAX_IREGS * sizeof (mgreg_t*));
        if (ctx) {
@@ -3258,7 +3288,7 @@ create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo
                                                MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
 
                                                if (minfo) {
-                                                       mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, NULL, NULL, NULL, NULL);
+                                                       mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, NULL, NULL, NULL, NULL, NULL);
                                                        for (i = 0; i < source_file_list->len; ++i) {
                                                                sinfo = g_ptr_array_index (source_file_list, i);
                                                                /*
@@ -3287,6 +3317,26 @@ create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo
                                                (ji->method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
                                                !strcmp (ji->method->name, ".cctor"))
                                                filtered = TRUE;
+                                       if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
+                                               MonoCustomAttrInfo *ainfo;
+                                               static MonoClass *klass;
+
+                                               if (!klass) {
+                                                       klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
+                                                       g_assert (klass);
+                                               }
+                                               if (!ji->dbg_hidden_inited) {
+                                                       ainfo = mono_custom_attrs_from_method (ji->method);
+                                                       if (ainfo) {
+                                                               if (mono_custom_attrs_has_attr (ainfo, klass))
+                                                                       ji->dbg_hidden = TRUE;
+                                                               mono_custom_attrs_free (ainfo);
+                                                       }
+                                                       ji->dbg_hidden_inited = TRUE;
+                                               }
+                                               if (ji->dbg_hidden)
+                                                       filtered = TRUE;
+                                       }
                                }
                        }
 
@@ -3919,7 +3969,7 @@ insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo
                char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d, seq_points=%d\n", mono_method_full_name (ji->method, TRUE), bp->il_offset, seq_points->len);
 
                for (i = 0; i < seq_points->len; ++i)
-                       printf ("%d\n", seq_points->seq_points [i].il_offset);
+                       DEBUG (1, fprintf (log_file, "%d\n", seq_points->seq_points [i].il_offset));
 
                if (error) {
                        mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
@@ -4286,8 +4336,6 @@ process_breakpoint_inner (DebuggerTlsData *tls)
        ss_reqs = g_ptr_array_new ();
        ss_reqs_orig = g_ptr_array_new ();
 
-       DEBUG(1, fprintf (log_file, "[%p] Breakpoint hit, method=%s, ip=%p, offset=0x%x.\n", (gpointer)GetCurrentThreadId (), ji->method->name, ip, native_offset));
-
        mono_loader_lock ();
 
        /*
@@ -4296,6 +4344,8 @@ process_breakpoint_inner (DebuggerTlsData *tls)
         */
        sp = find_prev_seq_point_for_native_offset (mono_domain_get (), ji->method, native_offset, &info);
 
+       DEBUG(1, fprintf (log_file, "[%p] Breakpoint hit, method=%s, ip=%p, offset=0x%x, sp il offset=0x%x.\n", (gpointer)GetCurrentThreadId (), ji->method->name, ip, native_offset, sp ? sp->il_offset : -1));
+
        bp = NULL;
        for (i = 0; i < breakpoints->len; ++i) {
                bp = g_ptr_array_index (breakpoints, i);
@@ -4338,9 +4388,11 @@ process_breakpoint_inner (DebuggerTlsData *tls)
                        if (minfo)
                                loc = mono_debug_symfile_lookup_location (minfo, sp->il_offset);
 
-                       if (!loc || (loc && ji->method == ss_req->last_method && loc->row == ss_req->last_line))
+                       if (!loc || (loc && ji->method == ss_req->last_method && loc->row == ss_req->last_line)) {
                                /* Have to continue single stepping */
+                               DEBUG(1, fprintf (log_file, "[%p] Same source line, continuing single stepping.\n", (gpointer)GetCurrentThreadId ()));
                                hit = FALSE;
+                       }
                                
                        if (loc) {
                                ss_req->last_method = ji->method;
@@ -4448,7 +4500,6 @@ mono_debugger_agent_breakpoint_hit (void *sigctx)
         * problems, like the original signal is disabled, libgc can't handle altstack, etc.
         * So set up the signal context to return to the real breakpoint handler function.
         */
-
        resume_from_signal_handler (sigctx, process_breakpoint);
 }
 
@@ -4777,7 +4828,7 @@ ss_stop (SingleStepReq *ss_req)
 static void
 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch)
 {
-       int i, frame_index;
+       int i, j, frame_index;
        SeqPoint *next_sp;
        MonoBreakpoint *bp;
        gboolean enable_global = FALSE;
@@ -4794,7 +4845,7 @@ ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointI
        } else {
                frame_index = 1;
 
-               if ((!sp || sp->next_len == 0 || ss_req->depth == STEP_DEPTH_OUT) && ctx) {
+               if ((!sp || sp->next_len == 0 || ss_req->depth == STEP_DEPTH_OUT || ss_req->depth == STEP_DEPTH_OVER) && ctx) {
                        /* Need parent frames */
                        if (!tls->context.valid)
                                mono_thread_state_init_from_monoctx (&tls->context, ctx);
@@ -4816,6 +4867,8 @@ ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointI
                                if (sp && sp->next_len != 0)
                                        break;
                        }
+                       // There could be method calls before the next seq point in the caller when using nested calls
+                       //enable_global = TRUE;
                } else {
                        while (sp && sp->next_len == 0) {
                                sp = NULL;
@@ -4838,6 +4891,27 @@ ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointI
                        }
                }
 
+               if (ss_req->depth == STEP_DEPTH_OVER) {
+                       /* Need to stop in catch clauses as well */
+                       for (i = 0; i < tls->frame_count; ++i) {
+                               StackFrame *frame = tls->frames [i];
+
+                               if (frame->ji) {
+                                       MonoJitInfo *jinfo = frame->ji;
+                                       for (j = 0; j < jinfo->num_clauses; ++j) {
+                                               MonoJitExceptionInfo *ei = &jinfo->clauses [j];
+
+                                               sp = find_next_seq_point_for_native_offset (frame->domain, frame->method, (char*)ei->handler_start - (char*)jinfo->code_start, NULL);
+                                               if (sp) {
+                                                       bp = set_breakpoint (frame->method, sp->il_offset, ss_req->req, NULL);
+                                                       ss_req->bps = g_slist_append (ss_req->bps, bp);
+                                               }
+                                       }
+                               }
+                       }
+               }
+
+
                if (ss_req->depth == STEP_DEPTH_INTO) {
                        /* Enable global stepping so we stop at method entry too */
                        enable_global = TRUE;
@@ -5323,6 +5397,22 @@ buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
        buffer_add_value_full (buf, t, addr, domain, FALSE);
 }
 
+static gboolean
+obj_is_of_type (MonoObject *obj, MonoType *t)
+{
+       MonoClass *klass = obj->vtable->klass;
+       if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
+               if (klass == mono_defaults.transparent_proxy_class) {
+                       klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
+                       if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
+                               return TRUE;
+                       }
+               }
+               return FALSE;
+       }
+       return TRUE;
+}
+
 static ErrorCode
 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
 
@@ -5442,8 +5532,12 @@ decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr,
                                if (err)
                                        return err;
 
-                               if (obj && !mono_class_is_assignable_from (mono_class_from_mono_type (t), obj->vtable->klass))
-                                       return ERR_INVALID_ARGUMENT;
+                               if (obj) {
+                                       if (!obj_is_of_type (obj, t)) {
+                                               DEBUG (1, fprintf (log_file, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name));
+                                               return ERR_INVALID_ARGUMENT;
+                                       }
+                               }
                                if (obj && obj->vtable->domain != domain)
                                        return ERR_INVALID_ARGUMENT;
 
@@ -5474,6 +5568,16 @@ decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8
                MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
                guint8 *nullable_buf;
 
+               /*
+                * First try decoding it as a Nullable`1
+                */
+               err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
+               if (!err)
+                       return err;
+
+               /*
+                * Then try decoding as a primitive value or null.
+                */
                if (targ->type == type) {
                        nullable_buf = g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
                        err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
@@ -5731,9 +5835,8 @@ add_thread (gpointer key, gpointer value, gpointer user_data)
 }
 
 static ErrorCode
-do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke)
+do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
 {
-       guint8 *p = invoke->p;
        guint8 *end = invoke->endp;
        MonoMethod *m;
        int i, err, nargs;
@@ -5800,7 +5903,7 @@ do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke)
                }
        }
 
-       if (this && !mono_class_is_assignable_from (m->klass, this->vtable->klass))
+       if (this && !obj_is_of_type (this, &m->klass->byval_arg))
                return ERR_INVALID_ARGUMENT;
 
        nargs = decode_int (p, &p, end);
@@ -5910,10 +6013,12 @@ do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke)
                        buffer_add_value (buf, sig->ret, &res, domain);
                } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
                        if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
-                               if (!res)
-                                       buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &res, domain);
-                               else
-                                       buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
+                               MonoClass *k = mono_class_from_mono_type (sig->ret);
+                               guint8 *nullable_buf = g_alloca (mono_class_value_size (k, NULL));
+
+                               g_assert (nullable_buf);
+                               mono_nullable_init (nullable_buf, res, k);
+                               buffer_add_value (buf, sig->ret, nullable_buf, domain);
                        } else {
                                g_assert (res);
                                buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
@@ -5930,6 +6035,7 @@ do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke)
                mono_set_lmf ((gpointer)(((gssize)ext.lmf.previous_lmf) & ~3));
 #endif
 
+       *endp = p;
        // FIXME: byref arguments
        // FIXME: varargs
        return ERR_NONE;
@@ -5946,10 +6052,11 @@ invoke_method (void)
        DebuggerTlsData *tls;
        InvokeData *invoke;
        int id;
-       int i, err;
+       int i, err, mindex;
        Buffer buf;
        static void (*restore_context) (void *);
        MonoContext restore_ctx;
+       guint8 *p;
 
        if (!restore_context)
                restore_context = mono_get_restore_context ();
@@ -5977,19 +6084,29 @@ invoke_method (void)
 
        id = invoke->id;
 
-       buffer_init (&buf, 128);
+       p = invoke->p;
+       err = 0;
+       for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
+               buffer_init (&buf, 128);
 
-       err = do_invoke_method (tls, &buf, invoke);
+               if (err) {
+                       /* Fail the other invokes as well */
+               } else {
+                       err = do_invoke_method (tls, &buf, invoke, p, &p);
+               }
 
-       /* Start suspending before sending the reply */
-       if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
-               for (i = 0; i < invoke->suspend_count; ++i)
-                       suspend_vm ();
-       }
+               /* Start suspending before sending the reply */
+               if (mindex == invoke->nmethods - 1) {
+                       if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
+                               for (i = 0; i < invoke->suspend_count; ++i)
+                                       suspend_vm ();
+                       }
+               }
 
-       send_reply_packet (id, err, &buf);
+               send_reply_packet (id, err, &buf);
        
-       buffer_free (&buf);
+               buffer_free (&buf);
+       }
 
        memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
 
@@ -6059,7 +6176,7 @@ get_source_files_for_type (MonoClass *klass)
                GPtrArray *source_file_list;
 
                if (minfo) {
-                       mono_debug_symfile_get_line_numbers_full (minfo, NULL, &source_file_list, NULL, NULL, NULL, NULL);
+                       mono_debug_symfile_get_line_numbers_full (minfo, NULL, &source_file_list, NULL, NULL, NULL, NULL, NULL);
                        for (j = 0; j < source_file_list->len; ++j) {
                                sinfo = g_ptr_array_index (source_file_list, j);
                                for (i = 0; i < files->len; ++i)
@@ -6185,6 +6302,7 @@ vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
                        tls->pending_invoke = g_new0 (InvokeData, 1);
                        tls->pending_invoke->method = exit_method;
                        tls->pending_invoke->args = args;
+                       tls->pending_invoke->nmethods = 1;
 
                        while (suspend_count > 0)
                                resume_vm ();
@@ -6212,11 +6330,12 @@ vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
                }
                break;
        }               
-       case CMD_VM_INVOKE_METHOD: {
+       case CMD_VM_INVOKE_METHOD:
+       case CMD_VM_INVOKE_METHODS: {
                int objid = decode_objid (p, &p, end);
                MonoThread *thread;
                DebuggerTlsData *tls;
-               int i, count, err, flags;
+               int i, count, err, flags, nmethods;
 
                err = get_object (objid, (MonoObject**)&thread);
                if (err)
@@ -6224,6 +6343,11 @@ vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
 
                flags = decode_int (p, &p, end);
 
+               if (command == CMD_VM_INVOKE_METHODS)
+                       nmethods = decode_int (p, &p, end);
+               else
+                       nmethods = 1;
+
                // Wait for suspending if it already started
                if (suspend_count)
                        wait_for_suspend ();
@@ -6252,6 +6376,7 @@ vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
                memcpy (tls->pending_invoke->p, p, end - p);
                tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
                tls->pending_invoke->suspend_count = suspend_count;
+               tls->pending_invoke->nmethods = nmethods;
 
                if (flags & INVOKE_FLAG_SINGLE_THREADED) {
                        resume_thread (THREAD_TO_INTERNAL (thread));
@@ -7462,6 +7587,7 @@ static ErrorCode
 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
 {
        MonoMethodHeader *header;
+       int err;
 
        switch (command) {
        case CMD_METHOD_GET_NAME: {
@@ -7478,6 +7604,7 @@ method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, g
                int i, j, n_il_offsets;
                int *il_offsets;
                int *line_numbers;
+               int *column_numbers;
                int *source_files;
                GPtrArray *source_file_list;
 
@@ -7498,7 +7625,7 @@ method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, g
                        break;
                }
 
-               mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, &n_il_offsets, &il_offsets, &line_numbers, &source_files);
+               mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, &n_il_offsets, &il_offsets, &line_numbers, &column_numbers, &source_files);
                buffer_add_int (buf, header->code_size);
                if (CHECK_PROTOCOL_VERSION (2, 13)) {
                        buffer_add_int (buf, source_file_list->len);
@@ -7514,7 +7641,7 @@ method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, g
                        buffer_add_string (buf, source_file);
                }
                buffer_add_int (buf, n_il_offsets);
-               DEBUG (10, printf ("Line number table for method %s:\n", mono_method_full_name (method,  TRUE)));
+               DEBUG (10, fprintf (log_file, "Line number table for method %s:\n", mono_method_full_name (method,  TRUE)));
                for (i = 0; i < n_il_offsets; ++i) {
                        const char *srcfile = "";
 
@@ -7522,11 +7649,13 @@ method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, g
                                MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, source_files [i]);
                                srcfile = sinfo->source_file;
                        }
-                       DEBUG (10, printf ("IL%x -> %s:%d\n", il_offsets [i], srcfile, line_numbers [i]));
+                       DEBUG (10, fprintf (log_file, "IL%x -> %s:%d %d\n", il_offsets [i], srcfile, line_numbers [i], column_numbers ? column_numbers [i] : -1));
                        buffer_add_int (buf, il_offsets [i]);
                        buffer_add_int (buf, line_numbers [i]);
                        if (CHECK_PROTOCOL_VERSION (2, 13))
                                buffer_add_int (buf, source_files [i]);
+                       if (CHECK_PROTOCOL_VERSION (2, 19))
+                               buffer_add_int (buf, column_numbers ? column_numbers [i] : -1);
                }
                g_free (source_file);
                g_free (il_offsets);
@@ -7684,12 +7813,34 @@ method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, g
                header = mono_method_get_header (method);
                if (!header) {
                        buffer_add_int (buf, 0);
+
+                       if (CHECK_PROTOCOL_VERSION (2, 18))
+                               buffer_add_int (buf, 0);
                } else {
                        buffer_add_int (buf, header->code_size);
                        for (i = 0; i < header->code_size; ++i)
                                buffer_add_byte (buf, header->code [i]);
+
+                       if (CHECK_PROTOCOL_VERSION (2, 18)) {
+                               buffer_add_int (buf, header->num_clauses);
+                               for (i = 0; i < header->num_clauses; ++i) {
+                                       MonoExceptionClause *clause = &header->clauses [i];
+
+                                       buffer_add_int (buf, clause->flags);
+                                       buffer_add_int (buf, clause->try_offset);
+                                       buffer_add_int (buf, clause->try_len);
+                                       buffer_add_int (buf, clause->handler_offset);
+                                       buffer_add_int (buf, clause->handler_len);
+                                       if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
+                                               buffer_add_typeid (buf, domain, clause->data.catch_class);
+                                       else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
+                                               buffer_add_int (buf, clause->data.filter_offset);
+                               }
+                       }
+
+                       mono_metadata_free_mh (header);
                }
-               mono_metadata_free_mh (header);
+
                break;
        }
        case CMD_METHOD_RESOLVE_TOKEN: {
@@ -7756,6 +7907,20 @@ method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, g
                }
                break;
        }
+       case CMD_METHOD_GET_CATTRS: {
+               MonoClass *attr_klass;
+               MonoCustomAttrInfo *cinfo;
+
+               attr_klass = decode_typeid (p, &p, end, NULL, &err);
+               /* attr_klass can be NULL */
+               if (err)
+                       return err;
+
+               cinfo = mono_custom_attrs_from_method (method);
+
+               buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
+               break;
+       }
        default:
                return ERR_NOT_IMPLEMENTED;
        }
@@ -8169,7 +8334,8 @@ object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
 
        switch (command) {
        case CMD_OBJECT_REF_GET_TYPE:
-               buffer_add_typeid (buf, obj->vtable->domain, obj->vtable->klass);
+               /* This handles transparent proxies too */
+               buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
                break;
        case CMD_OBJECT_REF_GET_VALUES:
                len = decode_int (p, &p, end);
@@ -8259,7 +8425,7 @@ object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
                buffer_add_domainid (buf, obj->vtable->domain);
                break;
        case CMD_OBJECT_REF_GET_INFO:
-               buffer_add_typeid (buf, obj->vtable->domain, obj->vtable->klass);
+               buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
                buffer_add_domainid (buf, obj->vtable->domain);
                break;
        default:
@@ -8328,6 +8494,8 @@ cmd_to_string (CommandSet set, int command)
                        return "SET_PROTOCOL_VERSION";
                case CMD_VM_ABORT_INVOKE:
                        return "ABORT_INVOKE";
+               case CMD_VM_SET_KEEPALIVE:
+                       return "SET_KEEPALIVE";
                default:
                        break;
                }