2 * debugger-agent.c: Soft Debugger back-end module
5 * Zoltan Varga (vargaz@gmail.com)
7 * Copyright 2009-2010 Novell, Inc.
8 * Copyright 2011 Xamarin Inc.
15 #ifdef HAVE_SYS_TYPES_H
16 #include <sys/types.h>
18 #ifdef HAVE_SYS_SELECT_H
19 #include <sys/select.h>
21 #ifdef HAVE_SYS_SOCKET_H
22 #include <sys/socket.h>
24 #ifdef HAVE_NETINET_TCP_H
25 #include <netinet/tcp.h>
27 #ifdef HAVE_NETINET_IN_H
28 #include <netinet/in.h>
40 #ifdef HAVE_UCONTEXT_H
52 #ifdef PLATFORM_ANDROID
54 #include <linux/tcp.h>
55 #include <sys/endian.h>
58 #include <mono/metadata/mono-debug.h>
59 #include <mono/metadata/mono-debug-debugger.h>
60 #include <mono/metadata/debug-mono-symfile.h>
61 #include <mono/metadata/gc-internal.h>
62 #include <mono/metadata/environment.h>
63 #include <mono/metadata/threads-types.h>
64 #include <mono/metadata/socket-io.h>
65 #include <mono/metadata/assembly.h>
66 #include <mono/metadata/runtime.h>
67 #include <mono/metadata/threadpool.h>
68 #include <mono/metadata/verify-internals.h>
69 #include <mono/utils/mono-semaphore.h>
70 #include <mono/utils/mono-error-internals.h>
71 #include <mono/utils/mono-stack-unwinding.h>
72 #include <mono/utils/mono-time.h>
73 #include <mono/utils/mono-threads.h>
74 #include <mono/utils/networking.h>
75 #include "debugger-agent.h"
77 #include "seq-points.h"
80 On iOS we can't use System.Environment.Exit () as it will do the wrong
83 #if !defined (TARGET_IOS)
84 #define TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
88 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
89 #define DISABLE_DEBUGGER_AGENT 1
92 #ifdef DISABLE_SOFT_DEBUG
93 #define DISABLE_DEBUGGER_AGENT 1
96 #ifndef DISABLE_DEBUGGER_AGENT
98 #include <mono/utils/mono-mutex.h>
100 /* Definitions to make backporting to 2.6 easier */
101 //#define MonoInternalThread MonoThread
102 //#define mono_thread_internal_current mono_thread_current
103 #define THREAD_TO_INTERNAL(thread) (thread)->internal_thread
126 guint32 il_offset, native_offset;
130 * If method is gshared, this is the actual instance, otherwise this is equal to
133 MonoMethod *actual_method;
135 * This is the method which is visible to debugger clients. Same as method,
136 * except for native-to-managed wrappers.
138 MonoMethod *api_method;
140 MonoDebugMethodJitInfo *jit;
143 mgreg_t *reg_locations [MONO_MAX_IREGS];
145 * Whenever ctx is set. This is FALSE for the last frame of running threads, since
146 * the frame can become invalid.
151 typedef struct _InvokeData InvokeData;
159 /* This is the context which needs to be restored after the invoke */
163 * If this is set, invoke this method with the arguments given by ARGS.
167 guint32 suspend_count;
170 InvokeData *last_invoke;
174 MonoThreadUnwindState context;
176 /* This is computed on demand when it is requested using the wire protocol */
177 /* It is freed up when the thread is resumed */
181 * Whenever the frame info is up-to-date. If not, compute_frame_info () will need to
184 gboolean frames_up_to_date;
186 * Points to data about a pending invoke which needs to be executed after the thread
189 InvokeData *pending_invoke;
191 * Set to TRUE if this thread is suspended in suspend_current () or it is executing
196 * Signals whenever the thread is in the process of suspending, i.e. it will suspend
197 * within a finite amount of time.
201 * Set to TRUE if this thread is suspended in suspend_current ().
203 gboolean really_suspended;
204 /* Used to pass the context to the breakpoint/single step handler */
205 MonoContext handler_ctx;
206 /* Whenever thread_stop () was called for this thread */
209 /* Number of thread interruptions not yet processed */
210 gint32 interrupt_count;
212 /* Whenever to disable breakpoints (used during invokes) */
213 gboolean disable_breakpoints;
216 * Number of times this thread has been resumed using resume_thread ().
218 guint32 resume_count;
220 MonoInternalThread *thread;
223 * Information about the frame which transitioned to native code for running
226 StackFrameInfo async_last_frame;
229 * The context where the stack walk can be started for running threads.
231 MonoThreadUnwindState async_state;
234 * The context used for filter clauses
236 MonoThreadUnwindState filter_state;
239 * The callee address of the last mono_runtime_invoke call
241 gpointer invoke_addr;
243 gboolean abort_requested;
246 * The current mono_runtime_invoke invocation.
251 * The context where single stepping should resume while the thread is suspended because
252 * of an EXCEPTION event.
254 MonoThreadUnwindState catch_state;
257 * The context which needs to be restored after handling a single step/breakpoint
258 * event. This is the same as the ctx at step/breakpoint site, but includes changes
259 * to caller saved registers done by set_var ().
261 MonoThreadUnwindState restore_state;
262 /* Frames computed from restore_state */
263 int restore_frame_count;
264 StackFrame **restore_frames;
266 /* The currently unloading appdomain */
267 MonoDomain *domain_unloading;
272 void (*connect) (const char *address);
273 void (*close1) (void);
274 void (*close2) (void);
275 gboolean (*send) (void *buf, int len);
276 int (*recv) (void *buf, int len);
280 * Wire Protocol definitions
283 #define HEADER_LENGTH 11
285 #define MAJOR_VERSION 2
286 #define MINOR_VERSION 40
290 CMD_SET_OBJECT_REF = 9,
291 CMD_SET_STRING_REF = 10,
293 CMD_SET_ARRAY_REF = 13,
294 CMD_SET_EVENT_REQUEST = 15,
295 CMD_SET_STACK_FRAME = 16,
296 CMD_SET_APPDOMAIN = 20,
297 CMD_SET_ASSEMBLY = 21,
306 EVENT_KIND_VM_START = 0,
307 EVENT_KIND_VM_DEATH = 1,
308 EVENT_KIND_THREAD_START = 2,
309 EVENT_KIND_THREAD_DEATH = 3,
310 EVENT_KIND_APPDOMAIN_CREATE = 4,
311 EVENT_KIND_APPDOMAIN_UNLOAD = 5,
312 EVENT_KIND_METHOD_ENTRY = 6,
313 EVENT_KIND_METHOD_EXIT = 7,
314 EVENT_KIND_ASSEMBLY_LOAD = 8,
315 EVENT_KIND_ASSEMBLY_UNLOAD = 9,
316 EVENT_KIND_BREAKPOINT = 10,
317 EVENT_KIND_STEP = 11,
318 EVENT_KIND_TYPE_LOAD = 12,
319 EVENT_KIND_EXCEPTION = 13,
320 EVENT_KIND_KEEPALIVE = 14,
321 EVENT_KIND_USER_BREAK = 15,
322 EVENT_KIND_USER_LOG = 16
326 SUSPEND_POLICY_NONE = 0,
327 SUSPEND_POLICY_EVENT_THREAD = 1,
328 SUSPEND_POLICY_ALL = 2
333 ERR_INVALID_OBJECT = 20,
334 ERR_INVALID_FIELDID = 25,
335 ERR_INVALID_FRAMEID = 30,
336 ERR_NOT_IMPLEMENTED = 100,
337 ERR_NOT_SUSPENDED = 101,
338 ERR_INVALID_ARGUMENT = 102,
340 ERR_NO_INVOCATION = 104,
341 ERR_ABSENT_INFORMATION = 105,
342 ERR_NO_SEQ_POINT_AT_IL_OFFSET = 106,
343 ERR_LOADER_ERROR = 200, /*XXX extend the protocol to pass this information down the pipe */
348 MOD_KIND_THREAD_ONLY = 3,
349 MOD_KIND_LOCATION_ONLY = 7,
350 MOD_KIND_EXCEPTION_ONLY = 8,
352 MOD_KIND_ASSEMBLY_ONLY = 11,
353 MOD_KIND_SOURCE_FILE_ONLY = 12,
354 MOD_KIND_TYPE_NAME_ONLY = 13,
370 STEP_FILTER_NONE = 0,
371 STEP_FILTER_STATIC_CTOR = 1,
372 STEP_FILTER_DEBUGGER_HIDDEN = 2,
373 STEP_FILTER_DEBUGGER_STEP_THROUGH = 4,
374 STEP_FILTER_DEBUGGER_NON_USER_CODE = 8
378 TOKEN_TYPE_STRING = 0,
380 TOKEN_TYPE_FIELD = 2,
381 TOKEN_TYPE_METHOD = 3,
382 TOKEN_TYPE_UNKNOWN = 4
386 VALUE_TYPE_ID_NULL = 0xf0,
387 VALUE_TYPE_ID_TYPE = 0xf1,
388 VALUE_TYPE_ID_PARENT_VTYPE = 0xf2
392 FRAME_FLAG_DEBUGGER_INVOKE = 1,
393 FRAME_FLAG_NATIVE_TRANSITION = 2
397 INVOKE_FLAG_DISABLE_BREAKPOINTS = 1,
398 INVOKE_FLAG_SINGLE_THREADED = 2,
399 INVOKE_FLAG_RETURN_OUT_THIS = 4,
400 INVOKE_FLAG_RETURN_OUT_ARGS = 8,
401 INVOKE_FLAG_VIRTUAL = 16
405 BINDING_FLAGS_IGNORE_CASE = 0x70000000,
406 } BindingFlagsExtensions;
410 CMD_VM_ALL_THREADS = 2,
415 CMD_VM_INVOKE_METHOD = 7,
416 CMD_VM_SET_PROTOCOL_VERSION = 8,
417 CMD_VM_ABORT_INVOKE = 9,
418 CMD_VM_SET_KEEPALIVE = 10,
419 CMD_VM_GET_TYPES_FOR_SOURCE_FILE = 11,
420 CMD_VM_GET_TYPES = 12,
421 CMD_VM_INVOKE_METHODS = 13,
422 CMD_VM_START_BUFFERING = 14,
423 CMD_VM_STOP_BUFFERING = 15
427 CMD_THREAD_GET_FRAME_INFO = 1,
428 CMD_THREAD_GET_NAME = 2,
429 CMD_THREAD_GET_STATE = 3,
430 CMD_THREAD_GET_INFO = 4,
431 CMD_THREAD_GET_ID = 5,
432 CMD_THREAD_GET_TID = 6,
433 CMD_THREAD_SET_IP = 7
437 CMD_EVENT_REQUEST_SET = 1,
438 CMD_EVENT_REQUEST_CLEAR = 2,
439 CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS = 3
447 CMD_APPDOMAIN_GET_ROOT_DOMAIN = 1,
448 CMD_APPDOMAIN_GET_FRIENDLY_NAME = 2,
449 CMD_APPDOMAIN_GET_ASSEMBLIES = 3,
450 CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY = 4,
451 CMD_APPDOMAIN_CREATE_STRING = 5,
452 CMD_APPDOMAIN_GET_CORLIB = 6,
453 CMD_APPDOMAIN_CREATE_BOXED_VALUE = 7
457 CMD_ASSEMBLY_GET_LOCATION = 1,
458 CMD_ASSEMBLY_GET_ENTRY_POINT = 2,
459 CMD_ASSEMBLY_GET_MANIFEST_MODULE = 3,
460 CMD_ASSEMBLY_GET_OBJECT = 4,
461 CMD_ASSEMBLY_GET_TYPE = 5,
462 CMD_ASSEMBLY_GET_NAME = 6
466 CMD_MODULE_GET_INFO = 1,
470 CMD_FIELD_GET_INFO = 1,
474 CMD_METHOD_GET_NAME = 1,
475 CMD_METHOD_GET_DECLARING_TYPE = 2,
476 CMD_METHOD_GET_DEBUG_INFO = 3,
477 CMD_METHOD_GET_PARAM_INFO = 4,
478 CMD_METHOD_GET_LOCALS_INFO = 5,
479 CMD_METHOD_GET_INFO = 6,
480 CMD_METHOD_GET_BODY = 7,
481 CMD_METHOD_RESOLVE_TOKEN = 8,
482 CMD_METHOD_GET_CATTRS = 9,
483 CMD_METHOD_MAKE_GENERIC_METHOD = 10
487 CMD_TYPE_GET_INFO = 1,
488 CMD_TYPE_GET_METHODS = 2,
489 CMD_TYPE_GET_FIELDS = 3,
490 CMD_TYPE_GET_VALUES = 4,
491 CMD_TYPE_GET_OBJECT = 5,
492 CMD_TYPE_GET_SOURCE_FILES = 6,
493 CMD_TYPE_SET_VALUES = 7,
494 CMD_TYPE_IS_ASSIGNABLE_FROM = 8,
495 CMD_TYPE_GET_PROPERTIES = 9,
496 CMD_TYPE_GET_CATTRS = 10,
497 CMD_TYPE_GET_FIELD_CATTRS = 11,
498 CMD_TYPE_GET_PROPERTY_CATTRS = 12,
499 CMD_TYPE_GET_SOURCE_FILES_2 = 13,
500 CMD_TYPE_GET_VALUES_2 = 14,
501 CMD_TYPE_GET_METHODS_BY_NAME_FLAGS = 15,
502 CMD_TYPE_GET_INTERFACES = 16,
503 CMD_TYPE_GET_INTERFACE_MAP = 17,
504 CMD_TYPE_IS_INITIALIZED = 18,
505 CMD_TYPE_CREATE_INSTANCE = 19
509 CMD_STACK_FRAME_GET_VALUES = 1,
510 CMD_STACK_FRAME_GET_THIS = 2,
511 CMD_STACK_FRAME_SET_VALUES = 3,
512 CMD_STACK_FRAME_GET_DOMAIN = 4,
516 CMD_ARRAY_REF_GET_LENGTH = 1,
517 CMD_ARRAY_REF_GET_VALUES = 2,
518 CMD_ARRAY_REF_SET_VALUES = 3,
522 CMD_STRING_REF_GET_VALUE = 1,
523 CMD_STRING_REF_GET_LENGTH = 2,
524 CMD_STRING_REF_GET_CHARS = 3
528 CMD_OBJECT_REF_GET_TYPE = 1,
529 CMD_OBJECT_REF_GET_VALUES = 2,
530 CMD_OBJECT_REF_IS_COLLECTED = 3,
531 CMD_OBJECT_REF_GET_ADDRESS = 4,
532 CMD_OBJECT_REF_GET_DOMAIN = 5,
533 CMD_OBJECT_REF_SET_VALUES = 6,
534 CMD_OBJECT_REF_GET_INFO = 7,
540 int count; /* For kind == MOD_KIND_COUNT */
541 MonoInternalThread *thread; /* For kind == MOD_KIND_THREAD_ONLY */
542 MonoClass *exc_class; /* For kind == MONO_KIND_EXCEPTION_ONLY */
543 MonoAssembly **assemblies; /* For kind == MONO_KIND_ASSEMBLY_ONLY */
544 GHashTable *source_files; /* For kind == MONO_KIND_SOURCE_FILE_ONLY */
545 GHashTable *type_names; /* For kind == MONO_KIND_TYPE_NAME_ONLY */
546 StepFilter filter; /* For kind == MOD_KIND_STEP */
548 gboolean caught, uncaught, subclasses; /* For kind == MOD_KIND_EXCEPTION_ONLY */
557 Modifier modifiers [MONO_ZERO_LEN_ARRAY];
561 * Describes a single step request.
565 MonoInternalThread *thread;
571 MonoMethod *start_method;
572 MonoMethod *last_method;
574 /* Whenever single stepping is performed using start/stop_single_stepping () */
576 /* The list of breakpoints used to implement step-over */
578 /* The number of frames at the start of a step-over */
583 * Contains additional information for an event
586 /* For EVENT_KIND_EXCEPTION */
588 MonoContext catch_ctx;
590 /* For EVENT_KIND_USER_LOG */
592 char *category, *message;
593 /* For EVENT_KIND_TYPE_LOAD */
597 /* Dummy structure used for the profiler callbacks */
603 guint8 *buf, *p, *end;
606 typedef struct ReplyPacket {
612 #define DEBUG(level,s) do { if (G_UNLIKELY ((level) <= log_level)) { s; fflush (log_file); } } while (0)
614 #ifdef PLATFORM_ANDROID
615 #define DEBUG_PRINTF(level, ...) do { if (G_UNLIKELY ((level) <= log_level)) { g_print (__VA_ARGS__); } } while (0)
617 #define DEBUG_PRINTF(level, ...) do { if (G_UNLIKELY ((level) <= log_level)) { fprintf (log_file, __VA_ARGS__); fflush (log_file); } } while (0)
621 #define get_last_sock_error() WSAGetLastError()
622 #define MONO_EWOULDBLOCK WSAEWOULDBLOCK
623 #define MONO_EINTR WSAEINTR
625 #define get_last_sock_error() errno
626 #define MONO_EWOULDBLOCK EWOULDBLOCK
627 #define MONO_EINTR EINTR
630 #define CHECK_PROTOCOL_VERSION(major,minor) \
631 (protocol_version_set && (major_version > (major) || (major_version == (major) && minor_version >= (minor))))
637 static AgentConfig agent_config;
640 * Whenever the agent is fully initialized.
641 * When using the onuncaught or onthrow options, only some parts of the agent are
642 * initialized on startup, and the full initialization which includes connection
643 * establishment and the startup of the agent thread is only done in response to
646 static gint32 inited;
648 #ifndef DISABLE_SOCKET_TRANSPORT
650 static int listen_fd;
653 static int packet_id = 0;
655 static int objref_id = 0;
657 static int event_request_id = 0;
659 static int frame_id = 0;
661 static GPtrArray *event_requests;
663 static MonoNativeTlsKey debugger_tls_id;
665 static gboolean vm_start_event_sent, vm_death_event_sent, disconnected;
667 /* Maps MonoInternalThread -> DebuggerTlsData */
668 static MonoGHashTable *thread_to_tls;
670 /* Maps tid -> MonoInternalThread */
671 static MonoGHashTable *tid_to_thread;
673 /* Maps tid -> MonoThread (not MonoInternalThread) */
674 static MonoGHashTable *tid_to_thread_obj;
676 static gsize debugger_thread_id;
678 static HANDLE debugger_thread_handle;
680 static int log_level;
682 static gboolean embedding;
684 static FILE *log_file;
686 /* Assemblies whose assembly load event has no been sent yet */
687 /* Protected by the dbg lock */
688 static GPtrArray *pending_assembly_loads;
690 /* Whenever the debugger thread has exited */
691 static gboolean debugger_thread_exited;
693 /* Cond variable used to wait for debugger_thread_exited becoming true */
694 static mono_cond_t debugger_thread_exited_cond;
696 /* Mutex for the cond var above */
697 static mono_mutex_t debugger_thread_exited_mutex;
699 static DebuggerProfiler debugger_profiler;
701 /* The single step request instance */
702 static SingleStepReq *ss_req;
703 static gpointer ss_invoke_addr;
705 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
706 /* Number of single stepping operations in progress */
710 /* The protocol version of the client */
711 static int major_version, minor_version;
713 /* Whenever the variables above are set by the client */
714 static gboolean protocol_version_set;
716 /* A hash table containing all active domains */
717 static GHashTable *domains;
719 /* The number of times the runtime is suspended */
720 static gint32 suspend_count;
722 /* Whenever to buffer reply messages and send them together */
723 static gboolean buffer_replies;
725 /* Buffered reply packets */
726 static ReplyPacket reply_packets [128];
729 #define dbg_lock() mono_mutex_lock (&debug_mutex)
730 #define dbg_unlock() mono_mutex_unlock (&debug_mutex)
731 static mono_mutex_t debug_mutex;
733 static void transport_init (void);
734 static void transport_connect (const char *address);
735 static gboolean transport_handshake (void);
736 static void register_transport (DebuggerTransport *trans);
738 static guint32 WINAPI debugger_thread (void *arg);
740 static void runtime_initialized (MonoProfiler *prof);
742 static void runtime_shutdown (MonoProfiler *prof);
744 static void thread_startup (MonoProfiler *prof, uintptr_t tid);
746 static void thread_end (MonoProfiler *prof, uintptr_t tid);
748 static void appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result);
750 static void appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain);
752 static void appdomain_unload (MonoProfiler *prof, MonoDomain *domain);
754 static void emit_appdomain_load (gpointer key, gpointer value, gpointer user_data);
756 static void emit_thread_start (gpointer key, gpointer value, gpointer user_data);
758 static void invalidate_each_thread (gpointer key, gpointer value, gpointer user_data);
760 static void assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result);
762 static void assembly_unload (MonoProfiler *prof, MonoAssembly *assembly);
764 static void emit_assembly_load (gpointer assembly, gpointer user_data);
766 static void emit_type_load (gpointer key, gpointer type, gpointer user_data);
768 static void start_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
770 static void end_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
772 static void jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result);
774 static void add_pending_breakpoints (MonoMethod *method, MonoJitInfo *jinfo);
776 static void start_single_stepping (void);
778 static void stop_single_stepping (void);
780 static void suspend_current (void);
782 static void clear_event_requests_for_assembly (MonoAssembly *assembly);
784 static void clear_types_for_assembly (MonoAssembly *assembly);
786 static void clear_breakpoints_for_domain (MonoDomain *domain);
788 static void process_profiler_event (EventKind event, gpointer arg);
790 /* Submodule init/cleanup */
791 static void breakpoints_init (void);
792 static void breakpoints_cleanup (void);
794 static void objrefs_init (void);
795 static void objrefs_cleanup (void);
797 static void ids_init (void);
798 static void ids_cleanup (void);
800 static void suspend_init (void);
802 static void ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch,
803 StackFrame **frames, int nframes);
804 static ErrorCode ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, StepFilter filter, EventRequest *req);
805 static void ss_destroy (SingleStepReq *req);
807 static void start_debugger_thread (void);
808 static void stop_debugger_thread (void);
810 static void finish_agent_init (gboolean on_startup);
812 static void process_profiler_event (EventKind event, gpointer arg);
814 static void invalidate_frames (DebuggerTlsData *tls);
816 #ifndef DISABLE_SOCKET_TRANSPORT
818 register_socket_transport (void);
821 static inline gboolean
822 is_debugger_thread (void)
824 return GetCurrentThreadId () == debugger_thread_id;
828 parse_address (char *address, char **host, int *port)
830 char *pos = strchr (address, ':');
832 if (pos == NULL || pos == address)
835 *host = g_malloc (pos - address + 1);
836 strncpy (*host, address, pos - address);
837 (*host) [pos - address] = '\0';
839 *port = atoi (pos + 1);
847 fprintf (stderr, "Usage: mono --debugger-agent=[<option>=<value>,...] ...\n");
848 fprintf (stderr, "Available options:\n");
849 fprintf (stderr, " transport=<transport>\t\tTransport to use for connecting to the debugger (mandatory, possible values: 'dt_socket')\n");
850 fprintf (stderr, " address=<hostname>:<port>\tAddress to connect to (mandatory)\n");
851 fprintf (stderr, " loglevel=<n>\t\t\tLog level (defaults to 0)\n");
852 fprintf (stderr, " logfile=<file>\t\tFile to log to (defaults to stdout)\n");
853 fprintf (stderr, " suspend=y/n\t\t\tWhether to suspend after startup.\n");
854 fprintf (stderr, " timeout=<n>\t\t\tTimeout for connecting in milliseconds.\n");
855 fprintf (stderr, " server=y/n\t\t\tWhether to listen for a client connection.\n");
856 fprintf (stderr, " keepalive=<n>\t\t\tSend keepalive events every n milliseconds.\n");
857 fprintf (stderr, " setpgid=y/n\t\t\tWhether to call setpid(0, 0) after startup.\n");
858 fprintf (stderr, " help\t\t\t\tPrint this help.\n");
862 parse_flag (const char *option, char *flag)
864 if (!strcmp (flag, "y"))
866 else if (!strcmp (flag, "n"))
869 fprintf (stderr, "debugger-agent: The valid values for the '%s' option are 'y' and 'n'.\n", option);
876 mono_debugger_agent_parse_options (char *options)
883 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
884 fprintf (stderr, "--debugger-agent is not supported on this platform.\n");
888 extra = g_getenv ("MONO_SDB_ENV_OPTIONS");
890 options = g_strdup_printf ("%s,%s", options, extra);
892 agent_config.enabled = TRUE;
893 agent_config.suspend = TRUE;
894 agent_config.server = FALSE;
895 agent_config.defer = FALSE;
896 agent_config.address = NULL;
898 //agent_config.log_level = 10;
900 args = g_strsplit (options, ",", -1);
901 for (ptr = args; ptr && *ptr; ptr ++) {
904 if (strncmp (arg, "transport=", 10) == 0) {
905 agent_config.transport = g_strdup (arg + 10);
906 } else if (strncmp (arg, "address=", 8) == 0) {
907 agent_config.address = g_strdup (arg + 8);
908 } else if (strncmp (arg, "loglevel=", 9) == 0) {
909 agent_config.log_level = atoi (arg + 9);
910 } else if (strncmp (arg, "logfile=", 8) == 0) {
911 agent_config.log_file = g_strdup (arg + 8);
912 } else if (strncmp (arg, "suspend=", 8) == 0) {
913 agent_config.suspend = parse_flag ("suspend", arg + 8);
914 } else if (strncmp (arg, "server=", 7) == 0) {
915 agent_config.server = parse_flag ("server", arg + 7);
916 } else if (strncmp (arg, "onuncaught=", 11) == 0) {
917 agent_config.onuncaught = parse_flag ("onuncaught", arg + 11);
918 } else if (strncmp (arg, "onthrow=", 8) == 0) {
919 /* We support multiple onthrow= options */
920 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (arg + 8));
921 } else if (strncmp (arg, "onthrow", 7) == 0) {
922 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (""));
923 } else if (strncmp (arg, "help", 4) == 0) {
926 } else if (strncmp (arg, "timeout=", 8) == 0) {
927 agent_config.timeout = atoi (arg + 8);
928 } else if (strncmp (arg, "launch=", 7) == 0) {
929 agent_config.launch = g_strdup (arg + 7);
930 } else if (strncmp (arg, "embedding=", 10) == 0) {
931 agent_config.embedding = atoi (arg + 10) == 1;
932 } else if (strncmp (arg, "keepalive=", 10) == 0) {
933 agent_config.keepalive = atoi (arg + 10);
934 } else if (strncmp (arg, "setpgid=", 8) == 0) {
935 agent_config.setpgid = parse_flag ("setpgid", arg + 8);
942 if (agent_config.server && !agent_config.suspend) {
943 /* Waiting for deferred attachment */
944 agent_config.defer = TRUE;
945 if (agent_config.address == NULL) {
946 agent_config.address = g_strdup_printf ("0.0.0.0:%u", 56000 + (getpid () % 1000));
950 //agent_config.log_level = 0;
952 if (agent_config.transport == NULL) {
953 fprintf (stderr, "debugger-agent: The 'transport' option is mandatory.\n");
957 if (agent_config.address == NULL && !agent_config.server) {
958 fprintf (stderr, "debugger-agent: The 'address' option is mandatory.\n");
963 if (!strcmp (agent_config.transport, "dt_socket")) {
964 if (agent_config.address && parse_address (agent_config.address, &host, &port)) {
965 fprintf (stderr, "debugger-agent: The format of the 'address' options is '<host>:<port>'\n");
972 mono_debugger_agent_init (void)
974 mono_mutex_init_recursive (&debug_mutex);
976 if (!agent_config.enabled)
981 /* Need to know whenever a thread has acquired the loader mutex */
982 mono_loader_lock_track_ownership (TRUE);
984 event_requests = g_ptr_array_new ();
986 mono_mutex_init (&debugger_thread_exited_mutex);
987 mono_cond_init (&debugger_thread_exited_cond, NULL);
989 mono_profiler_install ((MonoProfiler*)&debugger_profiler, runtime_shutdown);
990 mono_profiler_set_events (MONO_PROFILE_APPDOMAIN_EVENTS | MONO_PROFILE_THREADS | MONO_PROFILE_ASSEMBLY_EVENTS | MONO_PROFILE_JIT_COMPILATION | MONO_PROFILE_METHOD_EVENTS);
991 mono_profiler_install_runtime_initialized (runtime_initialized);
992 mono_profiler_install_appdomain (NULL, appdomain_load, appdomain_start_unload, appdomain_unload);
993 mono_profiler_install_thread (thread_startup, thread_end);
994 mono_profiler_install_assembly (NULL, assembly_load, assembly_unload, NULL);
995 mono_profiler_install_jit_end (jit_end);
996 mono_profiler_install_method_invoke (start_runtime_invoke, end_runtime_invoke);
998 mono_native_tls_alloc (&debugger_tls_id, NULL);
1000 /* Needed by the hash_table_new_type () call below */
1001 mono_gc_base_init ();
1003 thread_to_tls = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
1004 MONO_GC_REGISTER_ROOT_FIXED (thread_to_tls);
1006 tid_to_thread = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
1007 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread);
1009 tid_to_thread_obj = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
1010 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread_obj);
1012 pending_assembly_loads = g_ptr_array_new ();
1013 domains = g_hash_table_new (mono_aligned_addr_hash, NULL);
1015 log_level = agent_config.log_level;
1017 embedding = agent_config.embedding;
1018 disconnected = TRUE;
1020 if (agent_config.log_file) {
1021 log_file = fopen (agent_config.log_file, "w+");
1023 fprintf (stderr, "Unable to create log file '%s': %s.\n", agent_config.log_file, strerror (errno));
1032 breakpoints_init ();
1035 mini_get_debug_options ()->gen_seq_points_debug_data = TRUE;
1037 * This is needed because currently we don't handle liveness info.
1039 mini_get_debug_options ()->mdb_optimizations = TRUE;
1041 #ifndef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
1042 /* This is needed because we can't set local variables in registers yet */
1043 mono_disable_optimizations (MONO_OPT_LINEARS);
1047 * The stack walk done from thread_interrupt () needs to be signal safe, but it
1048 * isn't, since it can call into mono_aot_find_jit_info () which is not signal
1049 * safe (#3411). So load AOT info eagerly when the debugger is running as a
1052 mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE;
1055 if (agent_config.setpgid)
1059 if (!agent_config.onuncaught && !agent_config.onthrow)
1060 finish_agent_init (TRUE);
1064 * finish_agent_init:
1066 * Finish the initialization of the agent. This involves connecting the transport
1067 * and starting the agent thread. This is either done at startup, or
1068 * in response to some event like an unhandled exception.
1071 finish_agent_init (gboolean on_startup)
1075 if (InterlockedCompareExchange (&inited, 1, 0) == 1)
1078 if (agent_config.launch) {
1081 // FIXME: Generated address
1082 // FIXME: Races with transport_connect ()
1084 argv [0] = agent_config.launch;
1085 argv [1] = agent_config.transport;
1086 argv [2] = agent_config.address;
1089 res = g_spawn_async_with_pipes (NULL, argv, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
1091 fprintf (stderr, "Failed to execute '%s'.\n", agent_config.launch);
1096 transport_connect (agent_config.address);
1099 /* Do some which is usually done after sending the VMStart () event */
1100 vm_start_event_sent = TRUE;
1101 start_debugger_thread ();
1106 mono_debugger_agent_cleanup (void)
1111 stop_debugger_thread ();
1113 breakpoints_cleanup ();
1117 mono_mutex_destroy (&debugger_thread_exited_mutex);
1118 mono_cond_destroy (&debugger_thread_exited_cond);
1125 #ifndef DISABLE_SOCKET_TRANSPORT
1130 * recv() + handle incomplete reads and EINTR
1133 socket_transport_recv (void *buf, int len)
1139 static gint32 last_keepalive;
1144 res = recv (fd, (char *) buf + total, len - total, flags);
1147 if (agent_config.keepalive) {
1148 gboolean need_keepalive = FALSE;
1149 if (res == -1 && get_last_sock_error () == MONO_EWOULDBLOCK) {
1150 need_keepalive = TRUE;
1151 } else if (res == -1) {
1152 /* This could happen if recv () is interrupted repeatedly */
1153 msecs = mono_msec_ticks ();
1154 if (msecs - last_keepalive >= agent_config.keepalive) {
1155 need_keepalive = TRUE;
1156 last_keepalive = msecs;
1159 if (need_keepalive) {
1160 process_profiler_event (EVENT_KIND_KEEPALIVE, NULL);
1164 } while ((res > 0 && total < len) || (res == -1 && get_last_sock_error () == MONO_EINTR));
1169 set_keepalive (void)
1174 if (!agent_config.keepalive || !conn_fd)
1177 tv.tv_sec = agent_config.keepalive / 1000;
1178 tv.tv_usec = (agent_config.keepalive % 1000) * 1000;
1180 result = setsockopt (conn_fd, SOL_SOCKET, SO_RCVTIMEO, (char *) &tv, sizeof(struct timeval));
1181 g_assert (result >= 0);
1185 socket_transport_accept (int socket_fd)
1187 conn_fd = accept (socket_fd, NULL, NULL);
1188 if (conn_fd == -1) {
1189 fprintf (stderr, "debugger-agent: Unable to listen on %d\n", socket_fd);
1191 DEBUG_PRINTF (1, "Accepted connection from client, connection fd=%d.\n", conn_fd);
1198 socket_transport_send (void *data, int len)
1203 res = send (conn_fd, data, len, 0);
1204 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1212 * socket_transport_connect:
1214 * Connect/Listen on HOST:PORT. If HOST is NULL, generate an address and listen on it.
1217 socket_transport_connect (const char *address)
1219 MonoAddressInfo *result;
1220 MonoAddressEntry *rp;
1221 int sfd = -1, s, res;
1225 if (agent_config.address) {
1226 res = parse_address (agent_config.address, &host, &port);
1227 g_assert (res == 0);
1238 mono_network_init ();
1240 /* Obtain address(es) matching host/port */
1241 s = mono_get_address_info (host, port, MONO_HINT_UNSPECIFIED, &result);
1243 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %d\n", host, port, s); // FIXME add portable error conversion functions
1248 if (agent_config.server) {
1249 /* Wait for a connection */
1251 struct sockaddr_in addr;
1254 /* No address, generate one */
1255 sfd = socket (AF_INET, SOCK_STREAM, 0);
1258 /* This will bind the socket to a random port */
1259 res = listen (sfd, 16);
1261 fprintf (stderr, "debugger-agent: Unable to setup listening socket: %s\n", strerror (get_last_sock_error ()));
1266 addrlen = sizeof (addr);
1267 memset (&addr, 0, sizeof (addr));
1268 res = getsockname (sfd, (struct sockaddr*)&addr, &addrlen);
1269 g_assert (res == 0);
1271 host = (char*)"127.0.0.1";
1272 port = ntohs (addr.sin_port);
1274 /* Emit the address to stdout */
1275 /* FIXME: Should print another interface, not localhost */
1276 printf ("%s:%d\n", host, port);
1278 /* Listen on the provided address */
1279 for (rp = result->entries; rp != NULL; rp = rp->next) {
1280 MonoSocketAddress sockaddr;
1284 mono_socket_address_init (&sockaddr, &sock_len, rp->family, &rp->address, port);
1286 sfd = socket (rp->family, rp->socktype,
1291 if (setsockopt (sfd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n)) == -1)
1294 res = bind (sfd, &sockaddr.addr, sock_len);
1298 res = listen (sfd, 16);
1305 mono_free_address_info (result);
1308 if (agent_config.defer)
1311 DEBUG_PRINTF (1, "Listening on %s:%d (timeout=%d ms)...\n", host, port, agent_config.timeout);
1313 if (agent_config.timeout) {
1318 tv.tv_usec = agent_config.timeout * 1000;
1320 FD_SET (sfd, &readfds);
1321 res = select (sfd + 1, &readfds, NULL, NULL, &tv);
1323 fprintf (stderr, "debugger-agent: Timed out waiting to connect.\n");
1328 conn_fd = socket_transport_accept (sfd);
1332 DEBUG_PRINTF (1, "Accepted connection from client, socket fd=%d.\n", conn_fd);
1334 /* Connect to the specified address */
1335 /* FIXME: Respect the timeout */
1336 for (rp = result->entries; rp != NULL; rp = rp->next) {
1337 MonoSocketAddress sockaddr;
1340 mono_socket_address_init (&sockaddr, &sock_len, rp->family, &rp->address, port);
1342 sfd = socket (rp->family, rp->socktype,
1347 if (connect (sfd, &sockaddr.addr, sock_len) != -1)
1348 break; /* Success */
1354 fprintf (stderr, "debugger-agent: Unable to connect to %s:%d\n", host, port);
1360 mono_free_address_info (result);
1363 if (!transport_handshake ())
1368 socket_transport_close1 (void)
1370 /* This will interrupt the agent thread */
1371 /* Close the read part only so it can still send back replies */
1372 /* Also shut down the connection listener so that we can exit normally */
1374 /* SD_RECEIVE doesn't break the recv in the debugger thread */
1375 shutdown (conn_fd, SD_BOTH);
1376 shutdown (listen_fd, SD_BOTH);
1377 closesocket (listen_fd);
1379 shutdown (conn_fd, SHUT_RD);
1380 shutdown (listen_fd, SHUT_RDWR);
1386 socket_transport_close2 (void)
1389 shutdown (conn_fd, SD_BOTH);
1391 shutdown (conn_fd, SHUT_RDWR);
1396 register_socket_transport (void)
1398 DebuggerTransport trans;
1400 trans.name = "dt_socket";
1401 trans.connect = socket_transport_connect;
1402 trans.close1 = socket_transport_close1;
1403 trans.close2 = socket_transport_close2;
1404 trans.send = socket_transport_send;
1405 trans.recv = socket_transport_recv;
1407 register_transport (&trans);
1411 * socket_fd_transport_connect:
1415 socket_fd_transport_connect (const char *address)
1419 res = sscanf (address, "%d", &conn_fd);
1421 fprintf (stderr, "debugger-agent: socket-fd transport address is invalid: '%s'\n", address);
1425 if (!transport_handshake ())
1430 register_socket_fd_transport (void)
1432 DebuggerTransport trans;
1434 /* This is the same as the 'dt_socket' transport, but receives an already connected socket fd */
1435 trans.name = "socket-fd";
1436 trans.connect = socket_fd_transport_connect;
1437 trans.close1 = socket_transport_close1;
1438 trans.close2 = socket_transport_close2;
1439 trans.send = socket_transport_send;
1440 trans.recv = socket_transport_recv;
1442 register_transport (&trans);
1445 #endif /* DISABLE_SOCKET_TRANSPORT */
1451 #define MAX_TRANSPORTS 16
1453 static DebuggerTransport *transport;
1455 static DebuggerTransport transports [MAX_TRANSPORTS];
1456 static int ntransports;
1459 mono_debugger_agent_register_transport (DebuggerTransport *trans);
1462 mono_debugger_agent_register_transport (DebuggerTransport *trans)
1464 register_transport (trans);
1468 register_transport (DebuggerTransport *trans)
1470 g_assert (ntransports < MAX_TRANSPORTS);
1472 memcpy (&transports [ntransports], trans, sizeof (DebuggerTransport));
1477 transport_init (void)
1481 #ifndef DISABLE_SOCKET_TRANSPORT
1482 register_socket_transport ();
1483 register_socket_fd_transport ();
1486 for (i = 0; i < ntransports; ++i) {
1487 if (!strcmp (agent_config.transport, transports [i].name))
1490 if (i == ntransports) {
1491 fprintf (stderr, "debugger-agent: The supported values for the 'transport' option are: ");
1492 for (i = 0; i < ntransports; ++i)
1493 fprintf (stderr, "%s'%s'", i > 0 ? ", " : "", transports [i].name);
1494 fprintf (stderr, "\n");
1497 transport = &transports [i];
1501 transport_connect (const char *address)
1503 transport->connect (address);
1507 transport_close1 (void)
1509 transport->close1 ();
1513 transport_close2 (void)
1515 transport->close2 ();
1519 transport_send (void *buf, int len)
1521 return transport->send (buf, len);
1525 transport_recv (void *buf, int len)
1527 return transport->recv (buf, len);
1531 mono_debugger_agent_transport_handshake (void)
1533 return transport_handshake ();
1537 transport_handshake (void)
1539 char handshake_msg [128];
1543 disconnected = TRUE;
1545 /* Write handshake message */
1546 sprintf (handshake_msg, "DWP-Handshake");
1548 res = transport_send (handshake_msg, strlen (handshake_msg));
1549 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1550 g_assert (res != -1);
1553 res = transport_recv (buf, strlen (handshake_msg));
1554 if ((res != strlen (handshake_msg)) || (memcmp (buf, handshake_msg, strlen (handshake_msg)) != 0)) {
1555 fprintf (stderr, "debugger-agent: DWP handshake failed.\n");
1560 * To support older clients, the client sends its protocol version after connecting
1561 * using a command. Until that is received, default to our protocol version.
1563 major_version = MAJOR_VERSION;
1564 minor_version = MINOR_VERSION;
1565 protocol_version_set = FALSE;
1567 #ifndef DISABLE_SOCKET_TRANSPORT
1568 // FIXME: Move this somewhere else
1570 * Set TCP_NODELAY on the socket so the client receives events/command
1571 * results immediately.
1575 int result = setsockopt (conn_fd,
1580 g_assert (result >= 0);
1586 disconnected = FALSE;
1591 stop_debugger_thread (void)
1596 transport_close1 ();
1599 * Wait for the thread to exit.
1601 * If we continue with the shutdown without waiting for it, then the client might
1602 * not receive an answer to its last command like a resume.
1603 * The WaitForSingleObject infrastructure doesn't seem to work during shutdown, so
1606 //WaitForSingleObject (debugger_thread_handle, INFINITE);
1607 if (GetCurrentThreadId () != debugger_thread_id) {
1609 mono_mutex_lock (&debugger_thread_exited_mutex);
1610 if (!debugger_thread_exited) {
1612 if (WAIT_TIMEOUT == WaitForSingleObject(debugger_thread_exited_cond, 0)) {
1613 mono_mutex_unlock (&debugger_thread_exited_mutex);
1615 mono_mutex_lock (&debugger_thread_exited_mutex);
1618 mono_cond_wait (&debugger_thread_exited_cond, &debugger_thread_exited_mutex);
1621 mono_mutex_unlock (&debugger_thread_exited_mutex);
1622 } while (!debugger_thread_exited);
1625 transport_close2 ();
1629 start_debugger_thread (void)
1631 debugger_thread_handle = mono_threads_create_thread (debugger_thread, NULL, 0, 0, NULL);
1632 g_assert (debugger_thread_handle);
1636 * Functions to decode protocol data
1640 decode_byte (guint8 *buf, guint8 **endbuf, guint8 *limit)
1643 g_assert (*endbuf <= limit);
1648 decode_int (guint8 *buf, guint8 **endbuf, guint8 *limit)
1651 g_assert (*endbuf <= limit);
1653 return (((int)buf [0]) << 24) | (((int)buf [1]) << 16) | (((int)buf [2]) << 8) | (((int)buf [3]) << 0);
1656 static inline gint64
1657 decode_long (guint8 *buf, guint8 **endbuf, guint8 *limit)
1659 guint32 high = decode_int (buf, &buf, limit);
1660 guint32 low = decode_int (buf, &buf, limit);
1664 return ((((guint64)high) << 32) | ((guint64)low));
1668 decode_id (guint8 *buf, guint8 **endbuf, guint8 *limit)
1670 return decode_int (buf, endbuf, limit);
1674 decode_string (guint8 *buf, guint8 **endbuf, guint8 *limit)
1676 int len = decode_int (buf, &buf, limit);
1684 s = g_malloc (len + 1);
1687 memcpy (s, buf, len);
1696 * Functions to encode protocol data
1700 buffer_init (Buffer *buf, int size)
1702 buf->buf = g_malloc (size);
1704 buf->end = buf->buf + size;
1708 buffer_len (Buffer *buf)
1710 return buf->p - buf->buf;
1714 buffer_make_room (Buffer *buf, int size)
1716 if (buf->end - buf->p < size) {
1717 int new_size = buf->end - buf->buf + size + 32;
1718 guint8 *p = g_realloc (buf->buf, new_size);
1719 size = buf->p - buf->buf;
1722 buf->end = buf->buf + new_size;
1727 buffer_add_byte (Buffer *buf, guint8 val)
1729 buffer_make_room (buf, 1);
1735 buffer_add_short (Buffer *buf, guint32 val)
1737 buffer_make_room (buf, 2);
1738 buf->p [0] = (val >> 8) & 0xff;
1739 buf->p [1] = (val >> 0) & 0xff;
1744 buffer_add_int (Buffer *buf, guint32 val)
1746 buffer_make_room (buf, 4);
1747 buf->p [0] = (val >> 24) & 0xff;
1748 buf->p [1] = (val >> 16) & 0xff;
1749 buf->p [2] = (val >> 8) & 0xff;
1750 buf->p [3] = (val >> 0) & 0xff;
1755 buffer_add_long (Buffer *buf, guint64 l)
1757 buffer_add_int (buf, (l >> 32) & 0xffffffff);
1758 buffer_add_int (buf, (l >> 0) & 0xffffffff);
1762 buffer_add_id (Buffer *buf, int id)
1764 buffer_add_int (buf, (guint64)id);
1768 buffer_add_data (Buffer *buf, guint8 *data, int len)
1770 buffer_make_room (buf, len);
1771 memcpy (buf->p, data, len);
1776 buffer_add_string (Buffer *buf, const char *str)
1781 buffer_add_int (buf, 0);
1784 buffer_add_int (buf, len);
1785 buffer_add_data (buf, (guint8*)str, len);
1790 buffer_add_buffer (Buffer *buf, Buffer *data)
1792 buffer_add_data (buf, data->buf, buffer_len (data));
1796 buffer_free (Buffer *buf)
1802 send_packet (int command_set, int command, Buffer *data)
1808 id = InterlockedIncrement (&packet_id);
1810 len = data->p - data->buf + 11;
1811 buffer_init (&buf, len);
1812 buffer_add_int (&buf, len);
1813 buffer_add_int (&buf, id);
1814 buffer_add_byte (&buf, 0); /* flags */
1815 buffer_add_byte (&buf, command_set);
1816 buffer_add_byte (&buf, command);
1817 memcpy (buf.buf + 11, data->buf, data->p - data->buf);
1819 res = transport_send (buf.buf, len);
1827 send_reply_packets (int npackets, ReplyPacket *packets)
1834 for (i = 0; i < npackets; ++i)
1835 len += buffer_len (packets [i].data) + 11;
1836 buffer_init (&buf, len);
1837 for (i = 0; i < npackets; ++i) {
1838 buffer_add_int (&buf, buffer_len (packets [i].data) + 11);
1839 buffer_add_int (&buf, packets [i].id);
1840 buffer_add_byte (&buf, 0x80); /* flags */
1841 buffer_add_byte (&buf, (packets [i].error >> 8) & 0xff);
1842 buffer_add_byte (&buf, packets [i].error);
1843 buffer_add_buffer (&buf, packets [i].data);
1845 res = transport_send (buf.buf, len);
1853 send_reply_packet (int id, int error, Buffer *data)
1857 memset (&packet, 0, sizeof (ReplyPacket));
1859 packet.error = error;
1862 return send_reply_packets (1, &packet);
1866 send_buffered_reply_packets (void)
1870 send_reply_packets (nreply_packets, reply_packets);
1871 for (i = 0; i < nreply_packets; ++i)
1872 buffer_free (reply_packets [i].data);
1873 DEBUG_PRINTF (1, "[dbg] Sent %d buffered reply packets [at=%lx].\n", nreply_packets, (long)mono_100ns_ticks () / 10000);
1878 buffer_reply_packet (int id, int error, Buffer *data)
1882 if (nreply_packets == 128)
1883 send_buffered_reply_packets ();
1885 p = &reply_packets [nreply_packets];
1888 p->data = g_new0 (Buffer, 1);
1889 buffer_init (p->data, buffer_len (data));
1890 buffer_add_buffer (p->data, data);
1899 * Represents an object accessible by the debugger client.
1902 /* Unique id used in the wire protocol to refer to objects */
1905 * A weakref gc handle pointing to the object. The gc handle is used to
1906 * detect if the object was garbage collected.
1911 /* Maps objid -> ObjRef */
1912 static GHashTable *objrefs;
1913 static GHashTable *obj_to_objref;
1914 /* Protected by the dbg lock */
1915 static MonoGHashTable *suspended_objs;
1918 free_objref (gpointer value)
1922 mono_gchandle_free (o->handle);
1930 objrefs = g_hash_table_new_full (NULL, NULL, NULL, free_objref);
1931 obj_to_objref = g_hash_table_new (NULL, NULL);
1932 suspended_objs = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
1933 MONO_GC_REGISTER_ROOT_FIXED (suspended_objs);
1937 objrefs_cleanup (void)
1939 g_hash_table_destroy (objrefs);
1944 * Return an ObjRef for OBJ.
1947 get_objref (MonoObject *obj)
1950 GSList *reflist = NULL, *l;
1956 if (suspend_count) {
1958 * Have to keep object refs created during suspensions alive for the duration of the suspension, so GCs during invokes don't collect them.
1961 mono_g_hash_table_insert (suspended_objs, obj, NULL);
1965 mono_loader_lock ();
1967 /* FIXME: The tables can grow indefinitely */
1969 if (mono_gc_is_moving ()) {
1971 * Objects can move, so use a hash table mapping hash codes to lists of
1972 * ObjRef structures.
1974 hash = mono_object_hash (obj);
1976 reflist = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (hash));
1977 for (l = reflist; l; l = l->next) {
1979 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1980 mono_loader_unlock ();
1985 /* Use a hash table with masked pointers to internalize object references */
1986 ref = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)));
1987 /* ref might refer to a different object with the same addr which was GCd */
1988 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1989 mono_loader_unlock ();
1994 ref = g_new0 (ObjRef, 1);
1995 ref->id = InterlockedIncrement (&objref_id);
1996 ref->handle = mono_gchandle_new_weakref (obj, FALSE);
1998 g_hash_table_insert (objrefs, GINT_TO_POINTER (ref->id), ref);
2000 if (mono_gc_is_moving ()) {
2001 reflist = g_slist_append (reflist, ref);
2002 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (hash), reflist);
2004 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)), ref);
2007 mono_loader_unlock ();
2013 true_pred (gpointer key, gpointer value, gpointer user_data)
2019 clear_suspended_objs (void)
2022 mono_g_hash_table_foreach_remove (suspended_objs, true_pred, NULL);
2027 get_objid (MonoObject *obj)
2029 return get_objref (obj)->id;
2033 * Set OBJ to the object identified by OBJID.
2034 * Returns 0 or an error code if OBJID is invalid or the object has been garbage
2038 get_object_allow_null (int objid, MonoObject **obj)
2048 return ERR_INVALID_OBJECT;
2050 mono_loader_lock ();
2052 ref = g_hash_table_lookup (objrefs, GINT_TO_POINTER (objid));
2055 *obj = mono_gchandle_get_target (ref->handle);
2056 mono_loader_unlock ();
2058 return ERR_INVALID_OBJECT;
2061 mono_loader_unlock ();
2062 return ERR_INVALID_OBJECT;
2067 get_object (int objid, MonoObject **obj)
2069 int err = get_object_allow_null (objid, obj);
2074 return ERR_INVALID_OBJECT;
2079 decode_objid (guint8 *buf, guint8 **endbuf, guint8 *limit)
2081 return decode_id (buf, endbuf, limit);
2085 buffer_add_objid (Buffer *buf, MonoObject *o)
2087 buffer_add_id (buf, get_objid (o));
2106 * Represents a runtime structure accessible to the debugger client
2109 /* Unique id used in the wire protocol */
2111 /* Domain of the runtime structure, NULL if the domain was unloaded */
2118 MonoAssembly *assembly;
2119 MonoClassField *field;
2121 MonoProperty *property;
2126 /* Maps runtime structure -> Id */
2127 GHashTable *val_to_id [ID_NUM];
2128 /* Classes whose class load event has been sent */
2129 GHashTable *loaded_classes;
2130 /* Maps MonoClass->GPtrArray of file names */
2131 GHashTable *source_files;
2132 /* Maps source file basename -> GSList of classes */
2133 GHashTable *source_file_to_class;
2134 /* Same with ignore-case */
2135 GHashTable *source_file_to_class_ignorecase;
2139 /* Protected by the dbg lock */
2140 static GPtrArray *ids [ID_NUM];
2147 for (i = 0; i < ID_NUM; ++i)
2148 ids [i] = g_ptr_array_new ();
2156 for (i = 0; i < ID_NUM; ++i) {
2158 for (j = 0; j < ids [i]->len; ++j)
2159 g_free (g_ptr_array_index (ids [i], j));
2160 g_ptr_array_free (ids [i], TRUE);
2167 mono_debugger_agent_free_domain_info (MonoDomain *domain)
2169 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
2171 GHashTableIter iter;
2172 GPtrArray *file_names;
2177 for (i = 0; i < ID_NUM; ++i)
2178 if (info->val_to_id [i])
2179 g_hash_table_destroy (info->val_to_id [i]);
2180 g_hash_table_destroy (info->loaded_classes);
2182 g_hash_table_iter_init (&iter, info->source_files);
2183 while (g_hash_table_iter_next (&iter, NULL, (void**)&file_names)) {
2184 for (i = 0; i < file_names->len; ++i)
2185 g_free (g_ptr_array_index (file_names, i));
2186 g_ptr_array_free (file_names, TRUE);
2189 g_hash_table_iter_init (&iter, info->source_file_to_class);
2190 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2195 g_hash_table_iter_init (&iter, info->source_file_to_class_ignorecase);
2196 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2204 domain_jit_info (domain)->agent_info = NULL;
2206 /* Clear ids referencing structures in the domain */
2208 for (i = 0; i < ID_NUM; ++i) {
2210 for (j = 0; j < ids [i]->len; ++j) {
2211 Id *id = g_ptr_array_index (ids [i], j);
2212 if (id->domain == domain)
2219 mono_loader_lock ();
2220 g_hash_table_remove (domains, domain);
2221 mono_loader_unlock ();
2224 static AgentDomainInfo*
2225 get_agent_domain_info (MonoDomain *domain)
2227 AgentDomainInfo *info = NULL;
2229 mono_domain_lock (domain);
2231 info = domain_jit_info (domain)->agent_info;
2233 info = domain_jit_info (domain)->agent_info = g_new0 (AgentDomainInfo, 1);
2234 info->loaded_classes = g_hash_table_new (mono_aligned_addr_hash, NULL);
2235 info->source_files = g_hash_table_new (mono_aligned_addr_hash, NULL);
2236 info->source_file_to_class = g_hash_table_new (g_str_hash, g_str_equal);
2237 info->source_file_to_class_ignorecase = g_hash_table_new (g_str_hash, g_str_equal);
2240 mono_domain_unlock (domain);
2246 get_id (MonoDomain *domain, IdType type, gpointer val)
2249 AgentDomainInfo *info;
2254 mono_loader_lock ();
2256 mono_domain_lock (domain);
2258 info = get_agent_domain_info (domain);
2260 if (info->val_to_id [type] == NULL)
2261 info->val_to_id [type] = g_hash_table_new (mono_aligned_addr_hash, NULL);
2263 id = g_hash_table_lookup (info->val_to_id [type], val);
2265 mono_domain_unlock (domain);
2266 mono_loader_unlock ();
2272 id = g_new0 (Id, 1);
2274 id->id = ids [type]->len + 1;
2275 id->domain = domain;
2278 g_hash_table_insert (info->val_to_id [type], val, id);
2279 g_ptr_array_add (ids [type], id);
2283 mono_domain_unlock (domain);
2285 mono_loader_unlock ();
2290 static inline gpointer
2291 decode_ptr_id (guint8 *buf, guint8 **endbuf, guint8 *limit, IdType type, MonoDomain **domain, int *err)
2295 int id = decode_id (buf, endbuf, limit);
2304 // FIXME: error handling
2306 g_assert (id > 0 && id <= ids [type]->len);
2308 res = g_ptr_array_index (ids [type], GPOINTER_TO_INT (id - 1));
2311 if (res->domain == NULL) {
2312 DEBUG_PRINTF (0, "ERR_UNLOADED, id=%d, type=%d.\n", id, type);
2313 *err = ERR_UNLOADED;
2318 *domain = res->domain;
2320 return res->data.val;
2324 buffer_add_ptr_id (Buffer *buf, MonoDomain *domain, IdType type, gpointer val)
2326 int id = get_id (domain, type, val);
2328 buffer_add_id (buf, id);
2332 static inline MonoClass*
2333 decode_typeid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2337 klass = decode_ptr_id (buf, endbuf, limit, ID_TYPE, domain, err);
2338 if (G_UNLIKELY (log_level >= 2) && klass) {
2341 s = mono_type_full_name (&klass->byval_arg);
2342 DEBUG_PRINTF (2, "[dbg] recv class [%s]\n", s);
2348 static inline MonoAssembly*
2349 decode_assemblyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2351 return decode_ptr_id (buf, endbuf, limit, ID_ASSEMBLY, domain, err);
2354 static inline MonoImage*
2355 decode_moduleid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2357 return decode_ptr_id (buf, endbuf, limit, ID_MODULE, domain, err);
2360 static inline MonoMethod*
2361 decode_methodid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2365 m = decode_ptr_id (buf, endbuf, limit, ID_METHOD, domain, err);
2366 if (G_UNLIKELY (log_level >= 2) && m) {
2369 s = mono_method_full_name (m, TRUE);
2370 DEBUG_PRINTF (2, "[dbg] recv method [%s]\n", s);
2376 static inline MonoClassField*
2377 decode_fieldid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2379 return decode_ptr_id (buf, endbuf, limit, ID_FIELD, domain, err);
2382 static inline MonoDomain*
2383 decode_domainid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2385 return decode_ptr_id (buf, endbuf, limit, ID_DOMAIN, domain, err);
2388 static inline MonoProperty*
2389 decode_propertyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2391 return decode_ptr_id (buf, endbuf, limit, ID_PROPERTY, domain, err);
2395 buffer_add_typeid (Buffer *buf, MonoDomain *domain, MonoClass *klass)
2397 buffer_add_ptr_id (buf, domain, ID_TYPE, klass);
2398 if (G_UNLIKELY (log_level >= 2) && klass) {
2401 s = mono_type_full_name (&klass->byval_arg);
2402 if (GetCurrentThreadId () == debugger_thread_id)
2403 DEBUG_PRINTF (2, "[dbg] send class [%s]\n", s);
2405 DEBUG_PRINTF (2, "[%p] send class [%s]\n", (gpointer)GetCurrentThreadId (), s);
2411 buffer_add_methodid (Buffer *buf, MonoDomain *domain, MonoMethod *method)
2413 buffer_add_ptr_id (buf, domain, ID_METHOD, method);
2414 if (G_UNLIKELY (log_level >= 2) && method) {
2417 s = mono_method_full_name (method, 1);
2418 DEBUG_PRINTF (2, "[dbg] send method [%s]\n", s);
2424 buffer_add_assemblyid (Buffer *buf, MonoDomain *domain, MonoAssembly *assembly)
2428 id = buffer_add_ptr_id (buf, domain, ID_ASSEMBLY, assembly);
2429 if (G_UNLIKELY (log_level >= 2) && assembly)
2430 DEBUG_PRINTF (2, "[dbg] send assembly [%s][%s][%d]\n", assembly->aname.name, domain->friendly_name, id);
2434 buffer_add_moduleid (Buffer *buf, MonoDomain *domain, MonoImage *image)
2436 buffer_add_ptr_id (buf, domain, ID_MODULE, image);
2440 buffer_add_fieldid (Buffer *buf, MonoDomain *domain, MonoClassField *field)
2442 buffer_add_ptr_id (buf, domain, ID_FIELD, field);
2446 buffer_add_propertyid (Buffer *buf, MonoDomain *domain, MonoProperty *property)
2448 buffer_add_ptr_id (buf, domain, ID_PROPERTY, property);
2452 buffer_add_domainid (Buffer *buf, MonoDomain *domain)
2454 buffer_add_ptr_id (buf, domain, ID_DOMAIN, domain);
2457 static void invoke_method (void);
2464 * save_thread_context:
2466 * Set CTX as the current threads context which is used for computing stack traces.
2467 * This function is signal-safe.
2470 save_thread_context (MonoContext *ctx)
2472 DebuggerTlsData *tls;
2474 tls = mono_native_tls_get_value (debugger_tls_id);
2478 mono_thread_state_init_from_monoctx (&tls->context, ctx);
2480 mono_thread_state_init_from_current (&tls->context);
2483 /* Number of threads suspended */
2485 * If this is equal to the size of thread_to_tls, the runtime is considered
2488 static gint32 threads_suspend_count;
2490 static mono_mutex_t suspend_mutex;
2492 /* Cond variable used to wait for suspend_count becoming 0 */
2493 static mono_cond_t suspend_cond;
2495 /* Semaphore used to wait for a thread becoming suspended */
2496 static MonoSemType suspend_sem;
2501 mono_mutex_init (&suspend_mutex);
2502 mono_cond_init (&suspend_cond, NULL);
2503 MONO_SEM_INIT (&suspend_sem, 0);
2508 StackFrameInfo last_frame;
2509 gboolean last_frame_set;
2512 } GetLastFrameUserData;
2515 get_last_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
2517 GetLastFrameUserData *data = user_data;
2519 if (info->type == FRAME_TYPE_MANAGED_TO_NATIVE)
2522 if (!data->last_frame_set) {
2523 /* Store the last frame */
2524 memcpy (&data->last_frame, info, sizeof (StackFrameInfo));
2525 data->last_frame_set = TRUE;
2528 /* Store the context/lmf for the frame above the last frame */
2529 memcpy (&data->ctx, ctx, sizeof (MonoContext));
2530 data->lmf = info->lmf;
2538 * Process interruption of a thread. If SIGCTX is set, process the current thread. If
2539 * INFO is set, process the thread described by INFO.
2540 * This should be signal safe.
2543 thread_interrupt (DebuggerTlsData *tls, MonoThreadInfo *info, void *sigctx, MonoJitInfo *ji)
2547 MonoNativeThreadId tid;
2550 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2551 * guarantee the signal handler will be called that many times. Instead of tracking
2552 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2553 * has been requested that hasn't been handled yet, otherwise we can have threads
2554 * refuse to die when VM_EXIT is called
2556 #if defined(__APPLE__)
2557 if (InterlockedCompareExchange (&tls->interrupt_count, 0, 1) == 0)
2561 * We use interrupt_count to determine whenever this interrupt should be processed
2562 * by us or the normal interrupt processing code in the signal handler.
2563 * There is no race here with notify_thread (), since the signal is sent after
2564 * incrementing interrupt_count.
2566 if (tls->interrupt_count == 0)
2569 InterlockedDecrement (&tls->interrupt_count);
2573 ip = mono_arch_ip_from_context (sigctx);
2575 ip = MONO_CONTEXT_GET_IP (&info->suspend_state.ctx);
2580 tid = mono_thread_info_get_tid (info);
2582 tid = (MonoNativeThreadId)GetCurrentThreadId ();
2584 // FIXME: Races when the thread leaves managed code before hitting a single step
2588 /* Running managed code, will be suspended by the single step code */
2589 DEBUG_PRINTF (1, "[%p] Received interrupt while at %s(%p), continuing.\n", (gpointer)(gsize)tid, jinfo_get_method (ji)->name, ip);
2593 * Running native code, will be suspended when it returns to/enters
2594 * managed code. Treat it as already suspended.
2595 * This might interrupt the code in process_single_step_inner (), we use the
2596 * tls->suspending flag to avoid races when that happens.
2598 if (!tls->suspended && !tls->suspending) {
2600 GetLastFrameUserData data;
2602 // FIXME: printf is not signal safe, but this is only used during
2603 // debugger debugging
2605 DEBUG_PRINTF (1, "[%p] Received interrupt while at %p, treating as suspended.\n", (gpointer)(gsize)tid, ip);
2606 //save_thread_context (&ctx);
2609 /* Already terminated */
2613 * We are in a difficult position: we want to be able to provide stack
2614 * traces for this thread, but we can't use the current ctx+lmf, since
2615 * the thread is still running, so it might return to managed code,
2616 * making these invalid.
2617 * So we start a stack walk and save the first frame, along with the
2618 * parent frame's ctx+lmf. This (hopefully) works because the thread will be
2619 * suspended when it returns to managed code, so the parent's ctx should
2622 data.last_frame_set = FALSE;
2624 mono_sigctx_to_monoctx (sigctx, &ctx);
2626 * Don't pass MONO_UNWIND_ACTUAL_METHOD, its not signal safe, and
2627 * get_last_frame () doesn't need it, the last frame cannot be a ginst
2628 * since we are not in a JITted method.
2630 mono_walk_stack_with_ctx (get_last_frame, &ctx, MONO_UNWIND_NONE, &data);
2632 mono_get_eh_callbacks ()->mono_walk_stack_with_state (get_last_frame, &info->suspend_state, MONO_UNWIND_SIGNAL_SAFE, &data);
2634 if (data.last_frame_set) {
2635 memcpy (&tls->async_last_frame, &data.last_frame, sizeof (StackFrameInfo));
2636 res = mono_thread_state_init_from_monoctx (&tls->async_state, &ctx);
2638 mono_thread_state_init_from_monoctx (&tls->context, &ctx);
2641 memcpy (&tls->async_state.ctx, &data.ctx, sizeof (MonoContext));
2642 tls->async_state.unwind_data [MONO_UNWIND_DATA_LMF] = data.lmf;
2643 tls->async_state.unwind_data [MONO_UNWIND_DATA_JIT_TLS] = tls->thread->jit_data;
2645 tls->async_state.valid = FALSE;
2648 mono_memory_barrier ();
2650 tls->suspended = TRUE;
2651 MONO_SEM_POST (&suspend_sem);
2658 * mono_debugger_agent_thread_interrupt:
2660 * Called by the abort signal handler.
2661 * Should be signal safe.
2664 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
2666 DebuggerTlsData *tls;
2671 tls = mono_native_tls_get_value (debugger_tls_id);
2673 DEBUG_PRINTF (1, "[%p] Received interrupt with no TLS, continuing.\n", (gpointer)GetCurrentThreadId ());
2677 return thread_interrupt (tls, NULL, sigctx, ji);
2681 static void CALLBACK notify_thread_apc (ULONG_PTR param)
2684 mono_debugger_agent_thread_interrupt (NULL, NULL);
2686 #endif /* HOST_WIN32 */
2689 * reset_native_thread_suspend_state:
2691 * Reset the suspended flag and state on native threads
2694 reset_native_thread_suspend_state (gpointer key, gpointer value, gpointer user_data)
2696 DebuggerTlsData *tls = value;
2698 if (!tls->really_suspended && tls->suspended) {
2699 tls->suspended = FALSE;
2701 * The thread might still be running if it was executing native code, so the state won't be invalided by
2702 * suspend_current ().
2704 tls->context.valid = FALSE;
2705 tls->async_state.valid = FALSE;
2706 invalidate_frames (tls);
2713 * Notify a thread that it needs to suspend.
2716 notify_thread (gpointer key, gpointer value, gpointer user_data)
2718 MonoInternalThread *thread = key;
2719 DebuggerTlsData *tls = value;
2720 gsize tid = thread->tid;
2725 if (GetCurrentThreadId () == tid || tls->terminated)
2728 DEBUG_PRINTF (1, "[%p] Interrupting %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid);
2731 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2732 * guarantee the signal handler will be called that many times. Instead of tracking
2733 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2734 * has been requested that hasn't been handled yet, otherwise we can have threads
2735 * refuse to die when VM_EXIT is called
2737 #if defined(__APPLE__)
2738 if (InterlockedCompareExchange (&tls->interrupt_count, 1, 0) == 1)
2742 * Maybe we could use the normal interrupt infrastructure, but that does a lot
2743 * of things like breaking waits etc. which we don't want.
2745 InterlockedIncrement (&tls->interrupt_count);
2748 /* This is _not_ equivalent to ves_icall_System_Threading_Thread_Abort () */
2749 if (mono_thread_info_new_interrupt_enabled ()) {
2750 MonoThreadInfo *info;
2753 info = mono_thread_info_safe_suspend_sync ((MonoNativeThreadId)(gpointer)(gsize)thread->tid, FALSE);
2755 DEBUG_PRINTF (1, "[%p] mono_thread_info_suspend_sync () failed for %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid);
2757 * Attached thread which died without detaching.
2759 tls->terminated = TRUE;
2761 ji = mono_jit_info_table_find (info->suspend_state.unwind_data [MONO_UNWIND_DATA_DOMAIN], MONO_CONTEXT_GET_IP (&info->suspend_state.ctx));
2763 thread_interrupt (tls, info, NULL, ji);
2765 mono_thread_info_finish_suspend_and_resume (info);
2769 // FIXME: Remove this since new interrupt is used on win32 now
2770 QueueUserAPC (notify_thread_apc, thread->handle, (ULONG_PTR)NULL);
2772 res = mono_thread_kill (thread, mono_thread_get_abort_signal ());
2774 DEBUG_PRINTF (1, "[%p] mono_thread_kill () failed for %p: %d...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid, res);
2776 * Attached thread which died without detaching.
2778 tls->terminated = TRUE;
2785 process_suspend (DebuggerTlsData *tls, MonoContext *ctx)
2787 guint8 *ip = MONO_CONTEXT_GET_IP (ctx);
2791 if (mono_loader_lock_is_owned_by_self ()) {
2793 * Shortcut for the check in suspend_current (). This speeds up processing
2794 * when executing long running code inside the loader lock, i.e. assembly load
2800 if (debugger_thread_id == GetCurrentThreadId ())
2803 /* Prevent races with mono_debugger_agent_thread_interrupt () */
2804 if (suspend_count - tls->resume_count > 0)
2805 tls->suspending = TRUE;
2807 DEBUG_PRINTF (1, "[%p] Received single step event for suspending.\n", (gpointer)GetCurrentThreadId ());
2809 if (suspend_count - tls->resume_count == 0) {
2811 * We are executing a single threaded invoke but the single step for
2812 * suspending is still active.
2813 * FIXME: This slows down single threaded invokes.
2815 DEBUG_PRINTF (1, "[%p] Ignored during single threaded invoke.\n", (gpointer)GetCurrentThreadId ());
2819 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
2821 /* Can't suspend in these methods */
2822 method = jinfo_get_method (ji);
2823 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
2826 save_thread_context (ctx);
2834 * Increase the suspend count of the VM. While the suspend count is greater
2835 * than 0, runtime threads are suspended at certain points during execution.
2840 mono_loader_lock ();
2842 mono_mutex_lock (&suspend_mutex);
2846 DEBUG_PRINTF (1, "[%p] Suspending vm...\n", (gpointer)GetCurrentThreadId ());
2848 if (suspend_count == 1) {
2849 // FIXME: Is it safe to call this inside the lock ?
2850 start_single_stepping ();
2851 mono_g_hash_table_foreach (thread_to_tls, notify_thread, NULL);
2854 mono_mutex_unlock (&suspend_mutex);
2856 if (suspend_count == 1)
2858 * Suspend creation of new threadpool threads, since they cannot run
2860 mono_thread_pool_suspend ();
2862 mono_loader_unlock ();
2868 * Decrease the suspend count of the VM. If the count reaches 0, runtime threads
2876 g_assert (debugger_thread_id == GetCurrentThreadId ());
2878 mono_loader_lock ();
2880 mono_mutex_lock (&suspend_mutex);
2882 g_assert (suspend_count > 0);
2885 DEBUG_PRINTF (1, "[%p] Resuming vm, suspend count=%d...\n", (gpointer)GetCurrentThreadId (), suspend_count);
2887 if (suspend_count == 0) {
2888 // FIXME: Is it safe to call this inside the lock ?
2889 stop_single_stepping ();
2890 mono_g_hash_table_foreach (thread_to_tls, reset_native_thread_suspend_state, NULL);
2893 /* Signal this even when suspend_count > 0, since some threads might have resume_count > 0 */
2894 err = mono_cond_broadcast (&suspend_cond);
2895 g_assert (err == 0);
2897 mono_mutex_unlock (&suspend_mutex);
2898 //g_assert (err == 0);
2900 if (suspend_count == 0)
2901 mono_thread_pool_resume ();
2903 mono_loader_unlock ();
2909 * Resume just one thread.
2912 resume_thread (MonoInternalThread *thread)
2915 DebuggerTlsData *tls;
2917 g_assert (debugger_thread_id == GetCurrentThreadId ());
2919 mono_loader_lock ();
2921 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
2924 mono_mutex_lock (&suspend_mutex);
2926 g_assert (suspend_count > 0);
2928 DEBUG_PRINTF (1, "[sdb] Resuming thread %p...\n", (gpointer)(gssize)thread->tid);
2930 tls->resume_count += suspend_count;
2933 * Signal suspend_count without decreasing suspend_count, the threads will wake up
2934 * but only the one whose resume_count field is > 0 will be resumed.
2936 err = mono_cond_broadcast (&suspend_cond);
2937 g_assert (err == 0);
2939 mono_mutex_unlock (&suspend_mutex);
2940 //g_assert (err == 0);
2942 mono_loader_unlock ();
2946 free_frames (StackFrame **frames, int nframes)
2950 for (i = 0; i < nframes; ++i) {
2951 if (frames [i]->jit)
2952 mono_debug_free_method_jit_info (frames [i]->jit);
2953 g_free (frames [i]);
2959 invalidate_frames (DebuggerTlsData *tls)
2962 tls = mono_native_tls_get_value (debugger_tls_id);
2965 free_frames (tls->frames, tls->frame_count);
2966 tls->frame_count = 0;
2969 free_frames (tls->restore_frames, tls->restore_frame_count);
2970 tls->restore_frame_count = 0;
2971 tls->restore_frames = NULL;
2977 * Suspend the current thread until the runtime is resumed. If the thread has a
2978 * pending invoke, then the invoke is executed before this function returns.
2981 suspend_current (void)
2986 DebuggerTlsData *tls;
2988 g_assert (debugger_thread_id != GetCurrentThreadId ());
2990 if (mono_loader_lock_is_owned_by_self ()) {
2992 * If we own the loader mutex, can't suspend until we release it, since the
2993 * whole runtime can deadlock otherwise.
2998 tls = mono_native_tls_get_value (debugger_tls_id);
3001 mono_mutex_lock (&suspend_mutex);
3003 tls->suspending = FALSE;
3004 tls->really_suspended = TRUE;
3006 if (!tls->suspended) {
3007 tls->suspended = TRUE;
3008 MONO_SEM_POST (&suspend_sem);
3011 DEBUG_PRINTF (1, "[%p] Suspended.\n", (gpointer)GetCurrentThreadId ());
3013 while (suspend_count - tls->resume_count > 0) {
3015 if (WAIT_TIMEOUT == WaitForSingleObject(suspend_cond, 0))
3017 mono_mutex_unlock (&suspend_mutex);
3019 mono_mutex_lock (&suspend_mutex);
3025 err = mono_cond_wait (&suspend_cond, &suspend_mutex);
3026 g_assert (err == 0);
3030 tls->suspended = FALSE;
3031 tls->really_suspended = FALSE;
3033 threads_suspend_count --;
3035 mono_mutex_unlock (&suspend_mutex);
3037 DEBUG_PRINTF (1, "[%p] Resumed.\n", (gpointer)GetCurrentThreadId ());
3039 if (tls->pending_invoke) {
3040 /* Save the original context */
3041 tls->pending_invoke->has_ctx = TRUE;
3042 tls->pending_invoke->ctx = tls->context.ctx;
3047 /* The frame info becomes invalid after a resume */
3048 tls->context.valid = FALSE;
3049 tls->async_state.valid = FALSE;
3050 invalidate_frames (tls);
3054 count_thread (gpointer key, gpointer value, gpointer user_data)
3056 DebuggerTlsData *tls = value;
3058 if (!tls->suspended && !tls->terminated)
3059 *(int*)user_data = *(int*)user_data + 1;
3063 count_threads_to_wait_for (void)
3067 mono_loader_lock ();
3068 mono_g_hash_table_foreach (thread_to_tls, count_thread, &count);
3069 mono_loader_unlock ();
3077 * Wait until the runtime is completely suspended.
3080 wait_for_suspend (void)
3082 int nthreads, nwait, err;
3083 gboolean waited = FALSE;
3085 // FIXME: Threads starting/stopping ?
3086 mono_loader_lock ();
3087 nthreads = mono_g_hash_table_size (thread_to_tls);
3088 mono_loader_unlock ();
3091 nwait = count_threads_to_wait_for ();
3093 DEBUG_PRINTF (1, "Waiting for %d(%d) threads to suspend...\n", nwait, nthreads);
3094 err = MONO_SEM_WAIT (&suspend_sem);
3095 g_assert (err == 0);
3103 DEBUG_PRINTF (1, "%d threads suspended.\n", nthreads);
3109 * Return whenever the runtime is suspended.
3114 return count_threads_to_wait_for () == 0;
3118 no_seq_points_found (MonoMethod *method)
3121 * This can happen in full-aot mode with assemblies AOTed without the 'soft-debug' option to save space.
3123 printf ("Unable to find seq points for method '%s'.\n", mono_method_full_name (method, TRUE));
3127 DebuggerTlsData *tls;
3129 } ComputeFramesUserData;
3132 process_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3134 ComputeFramesUserData *ud = user_data;
3136 MonoMethod *method, *actual_method, *api_method;
3140 if (info->type != FRAME_TYPE_MANAGED) {
3141 if (info->type == FRAME_TYPE_DEBUGGER_INVOKE) {
3142 /* Mark the last frame as an invoke frame */
3144 ((StackFrame*)g_slist_last (ud->frames)->data)->flags |= FRAME_FLAG_DEBUGGER_INVOKE;
3150 method = jinfo_get_method (info->ji);
3152 method = info->method;
3153 actual_method = info->actual_method;
3154 api_method = method;
3159 if (!method || (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD && method->wrapper_type != MONO_WRAPPER_MANAGED_TO_NATIVE))
3162 if (info->il_offset == -1) {
3163 /* mono_debug_il_offset_from_address () doesn't seem to be precise enough (#2092) */
3164 if (ud->frames == NULL) {
3165 if (find_prev_seq_point_for_native_offset (info->domain, method, info->native_offset, NULL, &sp))
3166 info->il_offset = sp.il_offset;
3168 if (info->il_offset == -1)
3169 info->il_offset = mono_debug_il_offset_from_address (method, info->domain, info->native_offset);
3172 DEBUG_PRINTF (1, "\tFrame: %s:%x(%x) %d\n", mono_method_full_name (method, TRUE), info->il_offset, info->native_offset, info->managed);
3174 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3175 if (!CHECK_PROTOCOL_VERSION (2, 17))
3176 /* Older clients can't handle this flag */
3178 api_method = mono_marshal_method_from_wrapper (method);
3181 actual_method = api_method;
3182 flags |= FRAME_FLAG_NATIVE_TRANSITION;
3185 frame = g_new0 (StackFrame, 1);
3186 frame->method = method;
3187 frame->actual_method = actual_method;
3188 frame->api_method = api_method;
3189 frame->il_offset = info->il_offset;
3190 frame->native_offset = info->native_offset;
3191 frame->flags = flags;
3192 frame->ji = info->ji;
3193 if (info->reg_locations)
3194 memcpy (frame->reg_locations, info->reg_locations, MONO_MAX_IREGS * sizeof (mgreg_t*));
3197 frame->has_ctx = TRUE;
3199 frame->domain = info->domain;
3201 ud->frames = g_slist_append (ud->frames, frame);
3207 process_filter_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3209 ComputeFramesUserData *ud = user_data;
3212 * 'tls->filter_ctx' is the location of the throw site.
3214 * mono_walk_stack() will never actually hit the throw site, but unwind
3215 * directly from the filter to the call site; we abort stack unwinding here
3216 * once this happens and resume from the throw site.
3219 if (MONO_CONTEXT_GET_SP (ctx) >= MONO_CONTEXT_GET_SP (&ud->tls->filter_state.ctx))
3222 return process_frame (info, ctx, user_data);
3226 * Return a malloc-ed list of StackFrame structures.
3229 compute_frame_info_from (MonoInternalThread *thread, DebuggerTlsData *tls, MonoThreadUnwindState *state, int *out_nframes)
3231 ComputeFramesUserData user_data;
3232 MonoUnwindOptions opts = MONO_UNWIND_DEFAULT|MONO_UNWIND_REG_LOCATIONS;
3237 user_data.tls = tls;
3238 user_data.frames = NULL;
3240 mono_walk_stack_with_state (process_frame, state, opts, &user_data);
3242 nframes = g_slist_length (user_data.frames);
3243 res = g_new0 (StackFrame*, nframes);
3244 l = user_data.frames;
3245 for (i = 0; i < nframes; ++i) {
3249 *out_nframes = nframes;
3255 compute_frame_info (MonoInternalThread *thread, DebuggerTlsData *tls)
3257 ComputeFramesUserData user_data;
3259 int i, findex, new_frame_count;
3260 StackFrame **new_frames, *f;
3261 MonoUnwindOptions opts = MONO_UNWIND_DEFAULT|MONO_UNWIND_REG_LOCATIONS;
3263 // FIXME: Locking on tls
3264 if (tls->frames && tls->frames_up_to_date)
3267 DEBUG_PRINTF (1, "Frames for %p(tid=%lx):\n", thread, (glong)thread->tid);
3269 user_data.tls = tls;
3270 user_data.frames = NULL;
3271 if (tls->terminated) {
3272 tls->frame_count = 0;
3274 } if (!tls->really_suspended && tls->async_state.valid) {
3275 /* Have to use the state saved by the signal handler */
3276 process_frame (&tls->async_last_frame, NULL, &user_data);
3277 mono_walk_stack_with_state (process_frame, &tls->async_state, opts, &user_data);
3278 } else if (tls->filter_state.valid) {
3280 * We are inside an exception filter.
3282 * First we add all the frames from inside the filter; 'tls->ctx' has the current context.
3284 if (tls->context.valid)
3285 mono_walk_stack_with_state (process_filter_frame, &tls->context, opts, &user_data);
3287 * After that, we resume unwinding from the location where the exception has been thrown.
3289 mono_walk_stack_with_state (process_frame, &tls->filter_state, opts, &user_data);
3290 } else if (tls->context.valid) {
3291 mono_walk_stack_with_state (process_frame, &tls->context, opts, &user_data);
3294 tls->frame_count = 0;
3298 new_frame_count = g_slist_length (user_data.frames);
3299 new_frames = g_new0 (StackFrame*, new_frame_count);
3301 for (tmp = user_data.frames; tmp; tmp = tmp->next) {
3305 * Reuse the id for already existing stack frames, so invokes don't invalidate
3306 * the still valid stack frames.
3308 for (i = 0; i < tls->frame_count; ++i) {
3309 if (MONO_CONTEXT_GET_SP (&tls->frames [i]->ctx) == MONO_CONTEXT_GET_SP (&f->ctx)) {
3310 f->id = tls->frames [i]->id;
3315 if (i >= tls->frame_count)
3316 f->id = InterlockedIncrement (&frame_id);
3318 new_frames [findex ++] = f;
3321 g_slist_free (user_data.frames);
3323 invalidate_frames (tls);
3325 tls->frames = new_frames;
3326 tls->frame_count = new_frame_count;
3327 tls->frames_up_to_date = TRUE;
3331 * GHFunc to emit an appdomain creation event
3332 * @param key Don't care
3333 * @param value A loaded appdomain
3334 * @param user_data Don't care
3337 emit_appdomain_load (gpointer key, gpointer value, gpointer user_data)
3339 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, value);
3340 g_hash_table_foreach (get_agent_domain_info (value)->loaded_classes, emit_type_load, NULL);
3344 * GHFunc to emit a thread start event
3345 * @param key A thread id
3346 * @param value A thread object
3347 * @param user_data Don't care
3350 emit_thread_start (gpointer key, gpointer value, gpointer user_data)
3352 if (GPOINTER_TO_INT (key) != debugger_thread_id)
3353 process_profiler_event (EVENT_KIND_THREAD_START, value);
3357 * GFunc to emit an assembly load event
3358 * @param value A loaded assembly
3359 * @param user_data Don't care
3362 emit_assembly_load (gpointer value, gpointer user_data)
3364 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, value);
3368 * GFunc to emit a type load event
3369 * @param value A loaded type
3370 * @param user_data Don't care
3373 emit_type_load (gpointer key, gpointer value, gpointer user_data)
3375 process_profiler_event (EVENT_KIND_TYPE_LOAD, value);
3379 strdup_tolower (char *s)
3384 for (p = s2; *p; ++p)
3390 init_jit_info_dbg_attrs (MonoJitInfo *ji)
3392 static MonoClass *hidden_klass, *step_through_klass, *non_user_klass;
3393 MonoCustomAttrInfo *ainfo;
3395 if (ji->dbg_attrs_inited)
3398 if (!hidden_klass) {
3399 hidden_klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
3400 g_assert (hidden_klass);
3402 if (!step_through_klass) {
3403 step_through_klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerStepThroughAttribute");
3404 g_assert (step_through_klass);
3406 if (!non_user_klass) {
3407 non_user_klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerNonUserCodeAttribute");
3408 g_assert (non_user_klass);
3411 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3413 if (mono_custom_attrs_has_attr (ainfo, hidden_klass))
3414 ji->dbg_hidden = TRUE;
3415 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3416 ji->dbg_step_through = TRUE;
3417 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3418 ji->dbg_non_user_code = TRUE;
3419 mono_custom_attrs_free (ainfo);
3422 ainfo = mono_custom_attrs_from_class (jinfo_get_method (ji)->klass);
3424 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3425 ji->dbg_step_through = TRUE;
3426 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3427 ji->dbg_non_user_code = TRUE;
3428 mono_custom_attrs_free (ainfo);
3431 mono_memory_barrier ();
3432 ji->dbg_attrs_inited = TRUE;
3440 * create_event_list:
3442 * Return a list of event request ids matching EVENT, starting from REQS, which
3443 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3445 * We return request ids, instead of requests, to simplify threading, since
3446 * requests could be deleted anytime when the loader lock is not held.
3447 * LOCKING: Assumes the loader lock is held.
3450 create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo *ei, int *suspend_policy)
3453 GSList *events = NULL;
3455 *suspend_policy = SUSPEND_POLICY_NONE;
3458 reqs = event_requests;
3463 for (i = 0; i < reqs->len; ++i) {
3464 EventRequest *req = g_ptr_array_index (reqs, i);
3465 if (req->event_kind == event) {
3466 gboolean filtered = FALSE;
3469 for (j = 0; j < req->nmodifiers; ++j) {
3470 Modifier *mod = &req->modifiers [j];
3472 if (mod->kind == MOD_KIND_COUNT) {
3474 if (mod->data.count > 0) {
3475 if (mod->data.count > 0) {
3477 if (mod->data.count == 0)
3481 } else if (mod->kind == MOD_KIND_THREAD_ONLY) {
3482 if (mod->data.thread != mono_thread_internal_current ())
3484 } else if (mod->kind == MOD_KIND_EXCEPTION_ONLY && ei) {
3485 if (mod->data.exc_class && mod->subclasses && !mono_class_is_assignable_from (mod->data.exc_class, ei->exc->vtable->klass))
3487 if (mod->data.exc_class && !mod->subclasses && mod->data.exc_class != ei->exc->vtable->klass)
3489 if (ei->caught && !mod->caught)
3491 if (!ei->caught && !mod->uncaught)
3493 } else if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && ji) {
3495 gboolean found = FALSE;
3496 MonoAssembly **assemblies = mod->data.assemblies;
3499 for (k = 0; assemblies [k]; ++k)
3500 if (assemblies [k] == jinfo_get_method (ji)->klass->image->assembly)
3505 } else if (mod->kind == MOD_KIND_SOURCE_FILE_ONLY && ei && ei->klass) {
3506 gpointer iter = NULL;
3508 MonoDebugSourceInfo *sinfo;
3509 char *source_file, *s;
3510 gboolean found = FALSE;
3512 GPtrArray *source_file_list;
3514 while ((method = mono_class_get_methods (ei->klass, &iter))) {
3515 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
3518 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
3519 for (i = 0; i < source_file_list->len; ++i) {
3520 sinfo = g_ptr_array_index (source_file_list, i);
3522 * Do a case-insesitive match by converting the file name to
3525 s = strdup_tolower (sinfo->source_file);
3526 if (g_hash_table_lookup (mod->data.source_files, s))
3529 char *s2 = g_path_get_basename (sinfo->source_file);
3530 char *s3 = strdup_tolower (s2);
3532 if (g_hash_table_lookup (mod->data.source_files, s3))
3539 g_ptr_array_free (source_file_list, TRUE);
3544 } else if (mod->kind == MOD_KIND_TYPE_NAME_ONLY && ei && ei->klass) {
3547 s = mono_type_full_name (&ei->klass->byval_arg);
3548 if (!g_hash_table_lookup (mod->data.type_names, s))
3551 } else if (mod->kind == MOD_KIND_STEP) {
3552 if ((mod->data.filter & STEP_FILTER_STATIC_CTOR) && ji &&
3553 (jinfo_get_method (ji)->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3554 !strcmp (jinfo_get_method (ji)->name, ".cctor") &&
3555 (jinfo_get_method (ji) != ((SingleStepReq*)req->info)->start_method))
3557 if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
3558 init_jit_info_dbg_attrs (ji);
3562 if ((mod->data.filter & STEP_FILTER_DEBUGGER_STEP_THROUGH) && ji) {
3563 init_jit_info_dbg_attrs (ji);
3564 if (ji->dbg_step_through)
3567 if ((mod->data.filter & STEP_FILTER_DEBUGGER_NON_USER_CODE) && ji) {
3568 init_jit_info_dbg_attrs (ji);
3569 if (ji->dbg_non_user_code)
3576 *suspend_policy = MAX (*suspend_policy, req->suspend_policy);
3577 events = g_slist_append (events, GINT_TO_POINTER (req->id));
3582 /* Send a VM START/DEATH event by default */
3583 if (event == EVENT_KIND_VM_START)
3584 events = g_slist_append (events, GINT_TO_POINTER (0));
3585 if (event == EVENT_KIND_VM_DEATH)
3586 events = g_slist_append (events, GINT_TO_POINTER (0));
3591 static G_GNUC_UNUSED const char*
3592 event_to_string (EventKind event)
3595 case EVENT_KIND_VM_START: return "VM_START";
3596 case EVENT_KIND_VM_DEATH: return "VM_DEATH";
3597 case EVENT_KIND_THREAD_START: return "THREAD_START";
3598 case EVENT_KIND_THREAD_DEATH: return "THREAD_DEATH";
3599 case EVENT_KIND_APPDOMAIN_CREATE: return "APPDOMAIN_CREATE";
3600 case EVENT_KIND_APPDOMAIN_UNLOAD: return "APPDOMAIN_UNLOAD";
3601 case EVENT_KIND_METHOD_ENTRY: return "METHOD_ENTRY";
3602 case EVENT_KIND_METHOD_EXIT: return "METHOD_EXIT";
3603 case EVENT_KIND_ASSEMBLY_LOAD: return "ASSEMBLY_LOAD";
3604 case EVENT_KIND_ASSEMBLY_UNLOAD: return "ASSEMBLY_UNLOAD";
3605 case EVENT_KIND_BREAKPOINT: return "BREAKPOINT";
3606 case EVENT_KIND_STEP: return "STEP";
3607 case EVENT_KIND_TYPE_LOAD: return "TYPE_LOAD";
3608 case EVENT_KIND_EXCEPTION: return "EXCEPTION";
3609 case EVENT_KIND_KEEPALIVE: return "KEEPALIVE";
3610 case EVENT_KIND_USER_BREAK: return "USER_BREAK";
3611 case EVENT_KIND_USER_LOG: return "USER_LOG";
3613 g_assert_not_reached ();
3621 * Send an event to the client, suspending the vm if needed.
3622 * LOCKING: Since this can suspend the calling thread, no locks should be held
3624 * The EVENTS list is freed by this function.
3627 process_event (EventKind event, gpointer arg, gint32 il_offset, MonoContext *ctx, GSList *events, int suspend_policy)
3631 MonoDomain *domain = mono_domain_get ();
3632 MonoThread *thread = NULL;
3633 MonoObject *keepalive_obj = NULL;
3634 gboolean send_success = FALSE;
3639 DEBUG_PRINTF (2, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event));
3643 if (!vm_start_event_sent && event != EVENT_KIND_VM_START) {
3644 // FIXME: We miss those events
3645 DEBUG_PRINTF (2, "VM start event not sent yet: dropping %s\n", event_to_string (event));
3649 if (vm_death_event_sent) {
3650 DEBUG_PRINTF (2, "VM death event has been sent: dropping %s\n", event_to_string (event));
3654 if (mono_runtime_is_shutting_down () && event != EVENT_KIND_VM_DEATH) {
3655 DEBUG_PRINTF (2, "Mono runtime is shutting down: dropping %s\n", event_to_string (event));
3660 DEBUG_PRINTF (2, "Debugger client is not connected: dropping %s\n", event_to_string (event));
3664 if (event == EVENT_KIND_KEEPALIVE)
3665 suspend_policy = SUSPEND_POLICY_NONE;
3670 if (agent_config.defer) {
3671 /* Make sure the thread id is always set when doing deferred debugging */
3672 if (debugger_thread_id == GetCurrentThreadId ()) {
3673 /* Don't suspend on events from the debugger thread */
3674 suspend_policy = SUSPEND_POLICY_NONE;
3675 thread = mono_thread_get_main ();
3677 else thread = mono_thread_current ();
3679 if (debugger_thread_id == GetCurrentThreadId () && event != EVENT_KIND_VM_DEATH)
3680 // FIXME: Send these with a NULL thread, don't suspend the current thread
3685 nevents = g_slist_length (events);
3686 buffer_init (&buf, 128);
3687 buffer_add_byte (&buf, suspend_policy);
3688 buffer_add_int (&buf, nevents);
3690 for (l = events; l; l = l->next) {
3691 buffer_add_byte (&buf, event); // event kind
3692 buffer_add_int (&buf, GPOINTER_TO_INT (l->data)); // request id
3697 thread = mono_thread_current ();
3699 if (event == EVENT_KIND_VM_START && arg != NULL)
3702 buffer_add_objid (&buf, (MonoObject*)thread); // thread
3705 case EVENT_KIND_THREAD_START:
3706 case EVENT_KIND_THREAD_DEATH:
3708 case EVENT_KIND_APPDOMAIN_CREATE:
3709 case EVENT_KIND_APPDOMAIN_UNLOAD:
3710 buffer_add_domainid (&buf, arg);
3712 case EVENT_KIND_METHOD_ENTRY:
3713 case EVENT_KIND_METHOD_EXIT:
3714 buffer_add_methodid (&buf, domain, arg);
3716 case EVENT_KIND_ASSEMBLY_LOAD:
3717 buffer_add_assemblyid (&buf, domain, arg);
3719 case EVENT_KIND_ASSEMBLY_UNLOAD: {
3720 DebuggerTlsData *tls;
3722 /* The domain the assembly belonged to is not equal to the current domain */
3723 tls = mono_native_tls_get_value (debugger_tls_id);
3725 g_assert (tls->domain_unloading);
3727 buffer_add_assemblyid (&buf, tls->domain_unloading, arg);
3730 case EVENT_KIND_TYPE_LOAD:
3731 buffer_add_typeid (&buf, domain, arg);
3733 case EVENT_KIND_BREAKPOINT:
3734 case EVENT_KIND_STEP:
3735 buffer_add_methodid (&buf, domain, arg);
3736 buffer_add_long (&buf, il_offset);
3738 case EVENT_KIND_VM_START:
3739 buffer_add_domainid (&buf, mono_get_root_domain ());
3741 case EVENT_KIND_VM_DEATH:
3742 if (CHECK_PROTOCOL_VERSION (2, 27))
3743 buffer_add_int (&buf, mono_environment_exitcode_get ());
3745 case EVENT_KIND_EXCEPTION: {
3746 EventInfo *ei = arg;
3747 buffer_add_objid (&buf, ei->exc);
3749 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3750 * later after the suspension. (#12494).
3752 keepalive_obj = ei->exc;
3755 case EVENT_KIND_USER_BREAK:
3757 case EVENT_KIND_USER_LOG: {
3758 EventInfo *ei = arg;
3759 buffer_add_int (&buf, ei->level);
3760 buffer_add_string (&buf, ei->category ? ei->category : "");
3761 buffer_add_string (&buf, ei->message ? ei->message : "");
3764 case EVENT_KIND_KEEPALIVE:
3765 suspend_policy = SUSPEND_POLICY_NONE;
3768 g_assert_not_reached ();
3772 if (event == EVENT_KIND_VM_START) {
3773 suspend_policy = agent_config.suspend ? SUSPEND_POLICY_ALL : SUSPEND_POLICY_NONE;
3774 if (!agent_config.defer)
3775 start_debugger_thread ();
3778 if (event == EVENT_KIND_VM_DEATH) {
3779 vm_death_event_sent = TRUE;
3780 suspend_policy = SUSPEND_POLICY_NONE;
3783 if (mono_runtime_is_shutting_down ())
3784 suspend_policy = SUSPEND_POLICY_NONE;
3786 if (suspend_policy != SUSPEND_POLICY_NONE) {
3788 * Save the thread context and start suspending before sending the packet,
3789 * since we could be receiving the resume request before send_packet ()
3792 save_thread_context (ctx);
3796 /* This will keep this object alive */
3797 get_objref (keepalive_obj);
3800 send_success = send_packet (CMD_SET_EVENT, CMD_COMPOSITE, &buf);
3804 g_slist_free (events);
3807 if (!send_success) {
3808 DEBUG_PRINTF (2, "Sending command %s failed.\n", event_to_string (event));
3812 if (event == EVENT_KIND_VM_START) {
3813 vm_start_event_sent = TRUE;
3816 DEBUG_PRINTF (1, "[%p] Sent %d events %s(%d), suspend=%d.\n", (gpointer)GetCurrentThreadId (), nevents, event_to_string (event), ecount, suspend_policy);
3818 switch (suspend_policy) {
3819 case SUSPEND_POLICY_NONE:
3821 case SUSPEND_POLICY_ALL:
3824 case SUSPEND_POLICY_EVENT_THREAD:
3828 g_assert_not_reached ();
3833 process_profiler_event (EventKind event, gpointer arg)
3837 EventInfo ei, *ei_arg = NULL;
3839 if (event == EVENT_KIND_TYPE_LOAD) {
3844 mono_loader_lock ();
3845 events = create_event_list (event, NULL, NULL, ei_arg, &suspend_policy);
3846 mono_loader_unlock ();
3848 process_event (event, arg, 0, NULL, events, suspend_policy);
3852 runtime_initialized (MonoProfiler *prof)
3854 process_profiler_event (EVENT_KIND_VM_START, mono_thread_current ());
3855 if (agent_config.defer)
3856 start_debugger_thread ();
3860 runtime_shutdown (MonoProfiler *prof)
3862 process_profiler_event (EVENT_KIND_VM_DEATH, mono_thread_current ());
3864 mono_debugger_agent_cleanup ();
3868 thread_startup (MonoProfiler *prof, uintptr_t tid)
3870 MonoInternalThread *thread = mono_thread_internal_current ();
3871 MonoInternalThread *old_thread;
3872 DebuggerTlsData *tls;
3874 if (tid == debugger_thread_id)
3877 g_assert (thread->tid == tid);
3879 mono_loader_lock ();
3880 old_thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3881 mono_loader_unlock ();
3883 if (thread == old_thread) {
3885 * For some reason, thread_startup () might be called for the same thread
3886 * multiple times (attach ?).
3888 DEBUG_PRINTF (1, "[%p] thread_start () called multiple times for %p, ignored.\n", (gpointer)tid, (gpointer)tid);
3892 * thread_end () might not be called for some threads, and the tid could
3895 DEBUG_PRINTF (1, "[%p] Removing stale data for tid %p.\n", (gpointer)tid, (gpointer)tid);
3896 mono_loader_lock ();
3897 mono_g_hash_table_remove (thread_to_tls, old_thread);
3898 mono_g_hash_table_remove (tid_to_thread, (gpointer)tid);
3899 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3900 mono_loader_unlock ();
3904 tls = mono_native_tls_get_value (debugger_tls_id);
3906 // FIXME: Free this somewhere
3907 tls = g_new0 (DebuggerTlsData, 1);
3908 MONO_GC_REGISTER_ROOT_SINGLE (tls->thread);
3909 tls->thread = thread;
3910 mono_native_tls_set_value (debugger_tls_id, tls);
3912 DEBUG_PRINTF (1, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3914 mono_loader_lock ();
3915 mono_g_hash_table_insert (thread_to_tls, thread, tls);
3916 mono_g_hash_table_insert (tid_to_thread, (gpointer)tid, thread);
3917 mono_g_hash_table_insert (tid_to_thread_obj, (gpointer)tid, mono_thread_current ());
3918 mono_loader_unlock ();
3920 process_profiler_event (EVENT_KIND_THREAD_START, thread);
3923 * suspend_vm () could have missed this thread, so wait for a resume.
3929 thread_end (MonoProfiler *prof, uintptr_t tid)
3931 MonoInternalThread *thread;
3932 DebuggerTlsData *tls = NULL;
3934 mono_loader_lock ();
3935 thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3937 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3938 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
3940 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
3941 tls->terminated = TRUE;
3942 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
3943 MONO_GC_UNREGISTER_ROOT (tls->thread);
3947 mono_loader_unlock ();
3949 /* We might be called for threads started before we registered the start callback */
3951 DEBUG_PRINTF (1, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3952 process_profiler_event (EVENT_KIND_THREAD_DEATH, thread);
3957 appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result)
3959 mono_loader_lock ();
3960 g_hash_table_insert (domains, domain, domain);
3961 mono_loader_unlock ();
3963 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, domain);
3967 appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain)
3969 DebuggerTlsData *tls;
3971 /* This might be called during shutdown on the debugger thread from the CMD_VM_EXIT code */
3972 if (is_debugger_thread ())
3976 * Remember the currently unloading appdomain as it is needed to generate
3977 * proper ids for unloading assemblies.
3979 tls = mono_native_tls_get_value (debugger_tls_id);
3981 tls->domain_unloading = domain;
3985 appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
3987 DebuggerTlsData *tls;
3989 if (is_debugger_thread ())
3992 tls = mono_native_tls_get_value (debugger_tls_id);
3994 tls->domain_unloading = NULL;
3996 clear_breakpoints_for_domain (domain);
3998 mono_loader_lock ();
3999 /* Invalidate each thread's frame stack */
4000 mono_g_hash_table_foreach (thread_to_tls, invalidate_each_thread, NULL);
4001 mono_loader_unlock ();
4003 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD, domain);
4007 * invalidate_each_thread:
4009 * A GHFunc to invalidate frames.
4010 * value must be a DebuggerTlsData*
4013 invalidate_each_thread (gpointer key, gpointer value, gpointer user_data)
4015 invalidate_frames (value);
4019 assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result)
4021 /* Sent later in jit_end () */
4023 g_ptr_array_add (pending_assembly_loads, assembly);
4028 assembly_unload (MonoProfiler *prof, MonoAssembly *assembly)
4030 if (is_debugger_thread ())
4033 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD, assembly);
4035 clear_event_requests_for_assembly (assembly);
4036 clear_types_for_assembly (assembly);
4040 start_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4042 #if defined(HOST_WIN32) && !defined(__GNUC__)
4043 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4045 gpointer stackptr = __builtin_frame_address (1);
4047 MonoInternalThread *thread = mono_thread_internal_current ();
4048 DebuggerTlsData *tls;
4050 mono_loader_lock ();
4052 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
4053 /* Could be the debugger thread with assembly/type load hooks */
4055 tls->invoke_addr = stackptr;
4057 mono_loader_unlock ();
4061 end_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4064 #if defined(HOST_WIN32) && !defined(__GNUC__)
4065 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4067 gpointer stackptr = __builtin_frame_address (1);
4070 if (!embedding || ss_req == NULL || stackptr != ss_invoke_addr || ss_req->thread != mono_thread_internal_current ())
4074 * We need to stop single stepping when exiting a runtime invoke, since if it is
4075 * a step out, it may return to native code, and thus never end.
4077 mono_loader_lock ();
4078 ss_invoke_addr = NULL;
4080 for (i = 0; i < event_requests->len; ++i) {
4081 EventRequest *req = g_ptr_array_index (event_requests, i);
4083 if (req->event_kind == EVENT_KIND_STEP) {
4084 ss_destroy (req->info);
4085 g_ptr_array_remove_index_fast (event_requests, i);
4090 mono_loader_unlock ();
4094 send_type_load (MonoClass *klass)
4096 gboolean type_load = FALSE;
4097 MonoDomain *domain = mono_domain_get ();
4098 AgentDomainInfo *info = NULL;
4100 mono_loader_lock ();
4101 mono_domain_lock (domain);
4103 info = get_agent_domain_info (domain);
4105 if (!g_hash_table_lookup (info->loaded_classes, klass)) {
4107 g_hash_table_insert (info->loaded_classes, klass, klass);
4110 mono_domain_unlock (domain);
4111 mono_loader_unlock ();
4113 emit_type_load (klass, klass, NULL);
4117 * Emit load events for all types currently loaded in the domain.
4118 * Takes the loader and domain locks.
4119 * user_data is unused.
4122 send_types_for_domain (MonoDomain *domain, void *user_data)
4124 AgentDomainInfo *info = NULL;
4126 mono_loader_lock ();
4127 mono_domain_lock (domain);
4128 info = get_agent_domain_info (domain);
4130 g_hash_table_foreach (info->loaded_classes, emit_type_load, NULL);
4131 mono_domain_unlock (domain);
4132 mono_loader_unlock ();
4136 jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result)
4139 * We emit type load events when the first method of the type is JITted,
4140 * since the class load profiler callbacks might be called with the
4141 * loader lock held. They could also occur in the debugger thread.
4142 * Same for assembly load events.
4145 MonoAssembly *assembly = NULL;
4147 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
4149 if (pending_assembly_loads->len > 0) {
4150 assembly = g_ptr_array_index (pending_assembly_loads, 0);
4151 g_ptr_array_remove_index (pending_assembly_loads, 0);
4156 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, assembly);
4162 send_type_load (method->klass);
4165 add_pending_breakpoints (method, jinfo);
4169 * BREAKPOINTS/SINGLE STEPPING
4173 * Contains information about an inserted breakpoint.
4176 long il_offset, native_offset;
4180 } BreakpointInstance;
4183 * Contains generic information about a breakpoint.
4187 * The method where the breakpoint is placed. Can be NULL in which case it
4188 * is inserted into every method. This is used to implement method entry/
4189 * exit events. Can be a generic method definition, in which case the
4190 * breakpoint is inserted into every instance.
4196 * A list of BreakpointInstance structures describing where the breakpoint
4197 * was inserted. There could be more than one because of
4198 * generics/appdomains/method entry/exit.
4200 GPtrArray *children;
4203 /* List of breakpoints */
4204 static GPtrArray *breakpoints;
4205 /* Maps breakpoint locations to the number of breakpoints at that location */
4206 static GHashTable *bp_locs;
4209 breakpoints_init (void)
4211 breakpoints = g_ptr_array_new ();
4212 bp_locs = g_hash_table_new (NULL, NULL);
4216 * insert_breakpoint:
4218 * Insert the breakpoint described by BP into the method described by
4222 insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo *ji, MonoBreakpoint *bp, MonoError *error)
4225 BreakpointInstance *inst;
4226 SeqPointIterator it;
4227 gboolean it_has_sp = FALSE;
4230 mono_error_init (error);
4232 seq_point_iterator_init (&it, seq_points);
4233 while (seq_point_iterator_next (&it)) {
4234 if (it.seq_point.il_offset == bp->il_offset) {
4242 * The set of IL offsets with seq points doesn't completely match the
4243 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4245 seq_point_iterator_init (&it, seq_points);
4246 while (seq_point_iterator_next (&it)) {
4247 if (it.seq_point.il_offset != METHOD_ENTRY_IL_OFFSET &&
4248 it.seq_point.il_offset != METHOD_EXIT_IL_OFFSET &&
4249 it.seq_point.il_offset + 1 == bp->il_offset) {
4257 char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d", mono_method_full_name (jinfo_get_method (ji), TRUE), bp->il_offset);
4259 seq_point_iterator_init (&it, seq_points);
4260 while (seq_point_iterator_next (&it))
4261 DEBUG_PRINTF (1, "%d\n", it.seq_point.il_offset);
4264 mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
4265 g_warning ("%s", s);
4269 g_warning ("%s", s);
4275 inst = g_new0 (BreakpointInstance, 1);
4276 inst->il_offset = it.seq_point.il_offset;
4277 inst->native_offset = it.seq_point.native_offset;
4278 inst->ip = (guint8*)ji->code_start + it.seq_point.native_offset;
4280 inst->domain = domain;
4282 mono_loader_lock ();
4284 g_ptr_array_add (bp->children, inst);
4286 mono_loader_unlock ();
4289 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, inst->ip));
4290 g_hash_table_insert (bp_locs, inst->ip, GINT_TO_POINTER (count + 1));
4293 if (it.seq_point.native_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4294 DEBUG_PRINTF (1, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp->il_offset);
4295 } else if (count == 0) {
4296 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4297 mono_arch_set_breakpoint (ji, inst->ip);
4303 DEBUG_PRINTF (1, "[dbg] Inserted breakpoint at %s:0x%x [%p](%d).\n", mono_method_full_name (jinfo_get_method (ji), TRUE), (int)it.seq_point.il_offset, inst->ip, count);
4307 remove_breakpoint (BreakpointInstance *inst)
4309 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4311 MonoJitInfo *ji = inst->ji;
4312 guint8 *ip = inst->ip;
4315 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, ip));
4316 g_hash_table_insert (bp_locs, ip, GINT_TO_POINTER (count - 1));
4319 g_assert (count > 0);
4321 if (count == 1 && inst->native_offset != SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4322 mono_arch_clear_breakpoint (ji, ip);
4323 DEBUG_PRINTF (1, "[dbg] Clear breakpoint at %s [%p].\n", mono_method_full_name (jinfo_get_method (ji), TRUE), ip);
4330 static inline gboolean
4331 bp_matches_method (MonoBreakpoint *bp, MonoMethod *method)
4337 if (method == bp->method)
4339 if (method->is_inflated && ((MonoMethodInflated*)method)->declaring == bp->method)
4342 if (bp->method->is_inflated && method->is_inflated) {
4343 MonoMethodInflated *bpimethod = (MonoMethodInflated*)bp->method;
4344 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
4346 /* Open generic methods should match closed generic methods of the same class */
4347 if (bpimethod->declaring == imethod->declaring && bpimethod->context.class_inst == imethod->context.class_inst && bpimethod->context.method_inst && bpimethod->context.method_inst->is_open) {
4348 for (i = 0; i < bpimethod->context.method_inst->type_argc; ++i) {
4349 MonoType *t1 = bpimethod->context.method_inst->type_argv [i];
4351 /* FIXME: Handle !mvar */
4352 if (t1->type != MONO_TYPE_MVAR)
4363 * add_pending_breakpoints:
4365 * Insert pending breakpoints into the newly JITted method METHOD.
4368 add_pending_breakpoints (MonoMethod *method, MonoJitInfo *ji)
4371 MonoSeqPointInfo *seq_points;
4373 MonoMethod *jmethod;
4378 domain = mono_domain_get ();
4380 mono_loader_lock ();
4382 for (i = 0; i < breakpoints->len; ++i) {
4383 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4384 gboolean found = FALSE;
4386 if (!bp_matches_method (bp, method))
4389 for (j = 0; j < bp->children->len; ++j) {
4390 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4397 jmethod = jinfo_get_method (ji);
4398 mono_domain_lock (domain);
4399 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, jmethod);
4400 if (!seq_points && jmethod->is_inflated)
4401 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mono_method_get_declaring_generic_method (jmethod));
4402 mono_domain_unlock (domain);
4404 /* Could be AOT code */
4406 g_assert (seq_points);
4408 insert_breakpoint (seq_points, domain, ji, bp, NULL);
4412 mono_loader_unlock ();
4416 set_bp_in_method (MonoDomain *domain, MonoMethod *method, MonoSeqPointInfo *seq_points, MonoBreakpoint *bp, MonoError *error)
4422 mono_error_init (error);
4424 code = mono_jit_find_compiled_method_with_jit_info (domain, method, &ji);
4426 /* Might be AOTed code */
4427 code = mono_aot_get_method (domain, method);
4429 ji = mono_jit_info_table_find (domain, code);
4434 insert_breakpoint (seq_points, domain, ji, bp, error);
4438 clear_breakpoint (MonoBreakpoint *bp);
4443 * Set a breakpoint at IL_OFFSET in METHOD.
4444 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4445 * METHOD can also be a generic method definition, in which case a breakpoint
4446 * is placed in all instances of the method.
4447 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4450 static MonoBreakpoint*
4451 set_breakpoint (MonoMethod *method, long il_offset, EventRequest *req, MonoError *error)
4454 GHashTableIter iter, iter2;
4457 MonoSeqPointInfo *seq_points;
4460 mono_error_init (error);
4463 // - suspend/resume the vm to prevent code patching problems
4464 // - multiple breakpoints on the same location
4465 // - dynamic methods
4468 bp = g_new0 (MonoBreakpoint, 1);
4469 bp->method = method;
4470 bp->il_offset = il_offset;
4472 bp->children = g_ptr_array_new ();
4474 DEBUG_PRINTF (1, "[dbg] Setting %sbreakpoint at %s:0x%x.\n", (req->event_kind == EVENT_KIND_STEP) ? "single step " : "", method ? mono_method_full_name (method, TRUE) : "<all>", (int)il_offset);
4476 mono_loader_lock ();
4478 g_hash_table_iter_init (&iter, domains);
4479 while (g_hash_table_iter_next (&iter, (void**)&domain, NULL)) {
4480 mono_domain_lock (domain);
4482 g_hash_table_iter_init (&iter2, domain_jit_info (domain)->seq_points);
4483 while (g_hash_table_iter_next (&iter2, (void**)&m, (void**)&seq_points)) {
4484 if (bp_matches_method (bp, m))
4485 set_bp_in_method (domain, m, seq_points, bp, error);
4488 mono_domain_unlock (domain);
4491 mono_loader_unlock ();
4493 mono_loader_lock ();
4494 g_ptr_array_add (breakpoints, bp);
4495 mono_loader_unlock ();
4497 if (error && !mono_error_ok (error)) {
4498 clear_breakpoint (bp);
4506 clear_breakpoint (MonoBreakpoint *bp)
4510 // FIXME: locking, races
4511 for (i = 0; i < bp->children->len; ++i) {
4512 BreakpointInstance *inst = g_ptr_array_index (bp->children, i);
4514 remove_breakpoint (inst);
4519 mono_loader_lock ();
4520 g_ptr_array_remove (breakpoints, bp);
4521 mono_loader_unlock ();
4523 g_ptr_array_free (bp->children, TRUE);
4528 breakpoints_cleanup (void)
4532 mono_loader_lock ();
4534 while (i < event_requests->len) {
4535 EventRequest *req = g_ptr_array_index (event_requests, i);
4537 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
4538 clear_breakpoint (req->info);
4539 g_ptr_array_remove_index_fast (event_requests, i);
4546 for (i = 0; i < breakpoints->len; ++i)
4547 g_free (g_ptr_array_index (breakpoints, i));
4549 g_ptr_array_free (breakpoints, TRUE);
4550 g_hash_table_destroy (bp_locs);
4555 mono_loader_unlock ();
4559 * clear_breakpoints_for_domain:
4561 * Clear breakpoint instances which reference DOMAIN.
4564 clear_breakpoints_for_domain (MonoDomain *domain)
4568 /* This could be called after shutdown */
4572 mono_loader_lock ();
4573 for (i = 0; i < breakpoints->len; ++i) {
4574 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4577 while (j < bp->children->len) {
4578 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4580 if (inst->domain == domain) {
4581 remove_breakpoint (inst);
4585 g_ptr_array_remove_index_fast (bp->children, j);
4591 mono_loader_unlock ();
4597 * Return FALSE if single stepping needs to continue.
4600 ss_update (SingleStepReq *req, MonoJitInfo *ji, SeqPoint *sp, DebuggerTlsData *tls, MonoContext *ctx)
4602 MonoDebugMethodInfo *minfo;
4603 MonoDebugSourceLocation *loc = NULL;
4604 gboolean hit = TRUE;
4607 if (req->depth == STEP_DEPTH_OVER && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK)) {
4609 * These seq points are inserted by the JIT after calls, step over needs to skip them.
4611 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset);
4615 if (req->depth == STEP_DEPTH_OVER && hit) {
4616 if (!tls->context.valid)
4617 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4618 compute_frame_info (tls->thread, tls);
4619 if (req->nframes && tls->frame_count && tls->frame_count > req->nframes) {
4620 /* Hit the breakpoint in a recursive call */
4621 DEBUG_PRINTF (1, "[%p] Breakpoint at lower frame while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId ());
4626 if (req->depth == STEP_DEPTH_INTO && req->size == STEP_SIZE_MIN && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK) && ss_req->start_method){
4627 method = jinfo_get_method (ji);
4628 if (!tls->context.valid)
4629 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4630 compute_frame_info (tls->thread, tls);
4631 if (ss_req->start_method == method && req->nframes && tls->frame_count == req->nframes) {//Check also frame count(could be recursion)
4632 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping in, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset);
4637 if (req->size != STEP_SIZE_LINE)
4640 /* Have to check whenever a different source line was reached */
4641 method = jinfo_get_method (ji);
4642 minfo = mono_debug_lookup_method (method);
4645 loc = mono_debug_symfile_lookup_location (minfo, sp->il_offset);
4648 DEBUG_PRINTF (1, "[%p] No line number info for il offset %x, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset);
4649 ss_req->last_method = method;
4651 } else if (loc && method == ss_req->last_method && loc->row == ss_req->last_line) {
4652 DEBUG_PRINTF (1, "[%p] Same source line (%d), continuing single stepping.\n", (gpointer)GetCurrentThreadId (), loc->row);
4657 ss_req->last_method = method;
4658 ss_req->last_line = loc->row;
4659 mono_debug_free_source_location (loc);
4666 breakpoint_matches_assembly (MonoBreakpoint *bp, MonoAssembly *assembly)
4668 return bp->method && bp->method->klass->image->assembly == assembly;
4672 process_breakpoint_inner (DebuggerTlsData *tls)
4676 int i, j, suspend_policy;
4677 guint32 native_offset;
4679 BreakpointInstance *inst;
4680 GPtrArray *bp_reqs, *ss_reqs_orig, *ss_reqs;
4681 GSList *bp_events = NULL, *ss_events = NULL, *enter_leave_events = NULL;
4682 EventKind kind = EVENT_KIND_BREAKPOINT;
4683 MonoContext *ctx = &tls->restore_state.ctx;
4685 MonoSeqPointInfo *info;
4689 // FIXME: Speed this up
4691 ip = MONO_CONTEXT_GET_IP (ctx);
4692 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
4694 method = jinfo_get_method (ji);
4696 /* Compute the native offset of the breakpoint from the ip */
4697 native_offset = ip - (guint8*)ji->code_start;
4700 * Skip the instruction causing the breakpoint signal.
4702 mono_arch_skip_breakpoint (ctx, ji);
4704 if (method->wrapper_type || tls->disable_breakpoints)
4707 bp_reqs = g_ptr_array_new ();
4708 ss_reqs = g_ptr_array_new ();
4709 ss_reqs_orig = g_ptr_array_new ();
4711 mono_loader_lock ();
4714 * The ip points to the instruction causing the breakpoint event, which is after
4715 * the offset recorded in the seq point map, so find the prev seq point before ip.
4717 found_sp = find_prev_seq_point_for_native_offset (mono_domain_get (), method, native_offset, &info, &sp);
4720 no_seq_points_found (method);
4722 g_assert (found_sp);
4724 DEBUG_PRINTF (1, "[%p] Breakpoint hit, method=%s, ip=%p, offset=0x%x, sp il offset=0x%x.\n", (gpointer)GetCurrentThreadId (), method->name, ip, native_offset, sp.il_offset);
4727 for (i = 0; i < breakpoints->len; ++i) {
4728 bp = g_ptr_array_index (breakpoints, i);
4733 for (j = 0; j < bp->children->len; ++j) {
4734 inst = g_ptr_array_index (bp->children, j);
4735 if (inst->ji == ji && inst->il_offset == sp.il_offset && inst->native_offset == sp.native_offset) {
4736 if (bp->req->event_kind == EVENT_KIND_STEP) {
4737 g_ptr_array_add (ss_reqs_orig, bp->req);
4739 g_ptr_array_add (bp_reqs, bp->req);
4744 if (bp_reqs->len == 0 && ss_reqs_orig->len == 0) {
4745 /* Maybe a method entry/exit event */
4746 if (sp.il_offset == METHOD_ENTRY_IL_OFFSET)
4747 kind = EVENT_KIND_METHOD_ENTRY;
4748 else if (sp.il_offset == METHOD_EXIT_IL_OFFSET)
4749 kind = EVENT_KIND_METHOD_EXIT;
4752 /* Process single step requests */
4753 for (i = 0; i < ss_reqs_orig->len; ++i) {
4754 EventRequest *req = g_ptr_array_index (ss_reqs_orig, i);
4755 SingleStepReq *ss_req = req->info;
4758 if (mono_thread_internal_current () != ss_req->thread)
4761 hit = ss_update (ss_req, ji, &sp, tls, ctx);
4763 g_ptr_array_add (ss_reqs, req);
4765 /* Start single stepping again from the current sequence point */
4766 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
4769 if (ss_reqs->len > 0)
4770 ss_events = create_event_list (EVENT_KIND_STEP, ss_reqs, ji, NULL, &suspend_policy);
4771 if (bp_reqs->len > 0)
4772 bp_events = create_event_list (EVENT_KIND_BREAKPOINT, bp_reqs, ji, NULL, &suspend_policy);
4773 if (kind != EVENT_KIND_BREAKPOINT)
4774 enter_leave_events = create_event_list (kind, NULL, ji, NULL, &suspend_policy);
4776 mono_loader_unlock ();
4778 g_ptr_array_free (bp_reqs, TRUE);
4779 g_ptr_array_free (ss_reqs, TRUE);
4782 * FIXME: The first event will suspend, so the second will only be sent after the
4786 process_event (EVENT_KIND_STEP, method, 0, ctx, ss_events, suspend_policy);
4788 process_event (kind, method, 0, ctx, bp_events, suspend_policy);
4789 if (enter_leave_events)
4790 process_event (kind, method, 0, ctx, enter_leave_events, suspend_policy);
4793 /* Process a breakpoint/single step event after resuming from a signal handler */
4795 process_signal_event (void (*func) (DebuggerTlsData*))
4797 DebuggerTlsData *tls;
4798 MonoThreadUnwindState orig_restore_state;
4801 tls = mono_native_tls_get_value (debugger_tls_id);
4802 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4803 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
4804 mono_thread_state_init_from_monoctx (&tls->restore_state, &tls->handler_ctx);
4808 /* This is called when resuming from a signal handler, so it shouldn't return */
4809 memcpy (&ctx, &tls->restore_state.ctx, sizeof (MonoContext));
4810 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
4811 mono_restore_context (&ctx);
4812 g_assert_not_reached ();
4816 process_breakpoint (void)
4818 process_signal_event (process_breakpoint_inner);
4822 resume_from_signal_handler (void *sigctx, void *func)
4824 DebuggerTlsData *tls;
4827 /* Save the original context in TLS */
4828 // FIXME: This might not work on an altstack ?
4829 tls = mono_native_tls_get_value (debugger_tls_id);
4831 fprintf (stderr, "Thread %p is not attached to the JIT.\n", (gpointer)GetCurrentThreadId ());
4834 // FIXME: MonoContext usually doesn't include the fp registers, so these are
4835 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
4836 // clob:c could be added to op_seq_point.
4838 mono_sigctx_to_monoctx (sigctx, &ctx);
4839 memcpy (&tls->handler_ctx, &ctx, sizeof (MonoContext));
4840 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
4841 mono_arch_setup_resume_sighandler_ctx (&ctx, func);
4843 MONO_CONTEXT_SET_IP (&ctx, func);
4845 mono_monoctx_to_sigctx (&ctx, sigctx);
4847 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4848 mono_ppc_set_func_into_sigctx (sigctx, func);
4853 mono_debugger_agent_breakpoint_hit (void *sigctx)
4856 * We are called from a signal handler, and running code there causes all kinds of
4857 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
4858 * So set up the signal context to return to the real breakpoint handler function.
4860 resume_from_signal_handler (sigctx, process_breakpoint);
4864 user_break_cb (StackFrameInfo *frame, MonoContext *ctx, gpointer data)
4866 if (frame->managed) {
4867 *(MonoContext*)data = *ctx;
4876 * Called by System.Diagnostics.Debugger:Break ().
4879 mono_debugger_agent_user_break (void)
4881 if (agent_config.enabled) {
4886 /* Obtain a context */
4887 MONO_CONTEXT_SET_IP (&ctx, NULL);
4888 mono_walk_stack_with_ctx (user_break_cb, NULL, 0, &ctx);
4889 g_assert (MONO_CONTEXT_GET_IP (&ctx) != NULL);
4891 mono_loader_lock ();
4892 events = create_event_list (EVENT_KIND_USER_BREAK, NULL, NULL, NULL, &suspend_policy);
4893 mono_loader_unlock ();
4895 process_event (EVENT_KIND_USER_BREAK, NULL, 0, &ctx, events, suspend_policy);
4902 ss_depth_to_string (StepDepth depth)
4905 case STEP_DEPTH_OVER:
4907 case STEP_DEPTH_OUT:
4909 case STEP_DEPTH_INTO:
4912 g_assert_not_reached ();
4918 process_single_step_inner (DebuggerTlsData *tls)
4923 int il_offset, suspend_policy;
4926 MonoContext *ctx = &tls->restore_state.ctx;
4929 MonoSeqPointInfo *info;
4931 ip = MONO_CONTEXT_GET_IP (ctx);
4933 /* Skip the instruction causing the single step */
4934 mono_arch_skip_single_step (ctx);
4936 if (suspend_count > 0) {
4937 process_suspend (tls, ctx);
4942 // FIXME: A suspend race
4945 if (mono_thread_internal_current () != ss_req->thread)
4948 if (log_level > 0) {
4949 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4951 DEBUG_PRINTF (1, "[%p] Single step event (depth=%s) at %s (%p)[0x%x], sp %p, last sp %p\n", (gpointer)GetCurrentThreadId (), ss_depth_to_string (ss_req->depth), mono_method_full_name (jinfo_get_method (ji), TRUE), MONO_CONTEXT_GET_IP (ctx), (int)((guint8*)MONO_CONTEXT_GET_IP (ctx) - (guint8*)ji->code_start), MONO_CONTEXT_GET_SP (ctx), ss_req->last_sp);
4954 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4956 method = jinfo_get_method (ji);
4959 if (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
4964 * Stopping in memset makes half-initialized vtypes visible.
4965 * Stopping in memcpy makes half-copied vtypes visible.
4967 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
4971 * The ip points to the instruction causing the single step event, which is before
4972 * the offset recorded in the seq point map, so find the next seq point after ip.
4974 if (!find_next_seq_point_for_native_offset (domain, method, (guint8*)ip - (guint8*)ji->code_start, &info, &sp))
4977 il_offset = sp.il_offset;
4979 if (!ss_update (ss_req, ji, &sp, tls, ctx))
4982 /* Start single stepping again from the current sequence point */
4983 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
4985 if ((ss_req->filter & STEP_FILTER_STATIC_CTOR) &&
4986 (method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
4987 !strcmp (method->name, ".cctor"))
4990 // FIXME: Has to lock earlier
4992 reqs = g_ptr_array_new ();
4994 mono_loader_lock ();
4996 g_ptr_array_add (reqs, ss_req->req);
4998 events = create_event_list (EVENT_KIND_STEP, reqs, ji, NULL, &suspend_policy);
5000 g_ptr_array_free (reqs, TRUE);
5002 mono_loader_unlock ();
5004 process_event (EVENT_KIND_STEP, jinfo_get_method (ji), il_offset, ctx, events, suspend_policy);
5008 process_single_step (void)
5010 process_signal_event (process_single_step_inner);
5014 * mono_debugger_agent_single_step_event:
5016 * Called from a signal handler to handle a single step event.
5019 mono_debugger_agent_single_step_event (void *sigctx)
5021 /* Resume to process_single_step through the signal context */
5023 // FIXME: Since step out/over is implemented using step in, the step in case should
5024 // be as fast as possible. Move the relevant code from process_single_step_inner ()
5027 if (GetCurrentThreadId () == debugger_thread_id) {
5029 * This could happen despite our best effors when the runtime calls
5030 * assembly/type resolve hooks.
5031 * FIXME: Breakpoints too.
5035 mono_sigctx_to_monoctx (sigctx, &ctx);
5036 mono_arch_skip_single_step (&ctx);
5037 mono_monoctx_to_sigctx (&ctx, sigctx);
5041 resume_from_signal_handler (sigctx, process_single_step);
5045 debugger_agent_single_step_from_context (MonoContext *ctx)
5047 DebuggerTlsData *tls;
5048 MonoThreadUnwindState orig_restore_state;
5050 tls = mono_native_tls_get_value (debugger_tls_id);
5053 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
5054 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
5055 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5057 process_single_step_inner (tls);
5059 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5060 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5064 debugger_agent_breakpoint_from_context (MonoContext *ctx)
5066 DebuggerTlsData *tls;
5067 MonoThreadUnwindState orig_restore_state;
5069 tls = mono_native_tls_get_value (debugger_tls_id);
5071 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoContext));
5072 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5074 process_breakpoint_inner (tls);
5076 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5077 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5081 * start_single_stepping:
5083 * Turn on single stepping. Can be called multiple times, for example,
5084 * by a single step event request + a suspend.
5087 start_single_stepping (void)
5089 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5090 int val = InterlockedIncrement (&ss_count);
5093 mono_arch_start_single_stepping ();
5095 if (ss_req != NULL && ss_invoke_addr == NULL) {
5096 DebuggerTlsData *tls;
5098 mono_loader_lock ();
5100 tls = mono_g_hash_table_lookup (thread_to_tls, ss_req->thread);
5101 ss_invoke_addr = tls->invoke_addr;
5103 mono_loader_unlock ();
5106 g_assert_not_reached ();
5111 stop_single_stepping (void)
5113 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5114 int val = InterlockedDecrement (&ss_count);
5117 mono_arch_stop_single_stepping ();
5119 ss_invoke_addr = NULL;
5121 g_assert_not_reached ();
5128 * Stop the single stepping operation given by SS_REQ.
5131 ss_stop (SingleStepReq *ss_req)
5136 for (l = ss_req->bps; l; l = l->next) {
5137 clear_breakpoint (l->data);
5139 g_slist_free (ss_req->bps);
5143 if (ss_req->global) {
5144 stop_single_stepping ();
5145 ss_req->global = FALSE;
5152 * Start the single stepping operation given by SS_REQ from the sequence point SP.
5153 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
5154 * belong to the same thread as CTX.
5155 * If FRAMES is not-null, use that instead of tls->frames for placing breakpoints etc.
5158 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint* sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls,
5159 gboolean step_to_catch, StackFrame **frames, int nframes)
5161 int i, j, frame_index;
5162 SeqPoint *next_sp, *parent_sp = NULL;
5163 SeqPoint local_sp, local_parent_sp;
5166 MonoSeqPointInfo *parent_info;
5167 MonoMethod *parent_sp_method = NULL;
5168 gboolean enable_global = FALSE;
5170 /* Stop the previous operation */
5174 * Implement single stepping using breakpoints if possible.
5176 if (step_to_catch) {
5177 bp = set_breakpoint (method, sp->il_offset, ss_req->req, NULL);
5178 ss_req->bps = g_slist_append (ss_req->bps, bp);
5182 if (ctx && !frames) {
5183 /* Need parent frames */
5184 if (!tls->context.valid)
5185 mono_thread_state_init_from_monoctx (&tls->context, ctx);
5186 compute_frame_info (tls->thread, tls);
5187 frames = tls->frames;
5188 nframes = tls->frame_count;
5192 * Find the first sequence point in the current or in a previous frame which
5193 * is not the last in its method.
5195 if (ss_req->depth == STEP_DEPTH_OUT) {
5196 /* Ignore seq points in current method */
5197 while (frame_index < nframes) {
5198 StackFrame *frame = frames [frame_index];
5200 method = frame->method;
5201 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5202 sp = (found_sp)? &local_sp : NULL;
5204 if (sp && sp->next_len != 0)
5207 // There could be method calls before the next seq point in the caller when using nested calls
5208 //enable_global = TRUE;
5210 if (sp && sp->next_len == 0) {
5212 while (frame_index < nframes) {
5213 StackFrame *frame = frames [frame_index];
5215 method = frame->method;
5216 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5217 sp = (found_sp)? &local_sp : NULL;
5218 if (sp && sp->next_len != 0)
5224 /* Have to put a breakpoint into a parent frame since the seq points might not cover all control flow out of the method */
5225 while (frame_index < nframes) {
5226 StackFrame *frame = frames [frame_index];
5228 parent_sp_method = frame->method;
5229 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &parent_info, &local_parent_sp);
5230 parent_sp = found_sp ? &local_parent_sp : NULL;
5231 if (found_sp && parent_sp->next_len != 0)
5239 if (sp && sp->next_len > 0) {
5240 SeqPoint* next = g_new(SeqPoint, sp->next_len);
5242 seq_point_init_next (info, *sp, next);
5243 for (i = 0; i < sp->next_len; i++) {
5246 bp = set_breakpoint (method, next_sp->il_offset, ss_req->req, NULL);
5247 ss_req->bps = g_slist_append (ss_req->bps, bp);
5253 SeqPoint* next = g_new(SeqPoint, parent_sp->next_len);
5255 seq_point_init_next (parent_info, *parent_sp, next);
5256 for (i = 0; i < parent_sp->next_len; i++) {
5259 bp = set_breakpoint (parent_sp_method, next_sp->il_offset, ss_req->req, NULL);
5260 ss_req->bps = g_slist_append (ss_req->bps, bp);
5265 if (ss_req->nframes == 0)
5266 ss_req->nframes = nframes;
5267 if (ss_req->depth == STEP_DEPTH_OVER) {
5268 /* Need to stop in catch clauses as well */
5269 for (i = 0; i < nframes; ++i) {
5270 StackFrame *frame = frames [i];
5273 MonoJitInfo *jinfo = frame->ji;
5274 for (j = 0; j < jinfo->num_clauses; ++j) {
5275 MonoJitExceptionInfo *ei = &jinfo->clauses [j];
5277 found_sp = find_next_seq_point_for_native_offset (frame->domain, frame->method, (char*)ei->handler_start - (char*)jinfo->code_start, NULL, &local_sp);
5278 sp = (found_sp)? &local_sp : NULL;
5280 bp = set_breakpoint (frame->method, sp->il_offset, ss_req->req, NULL);
5281 ss_req->bps = g_slist_append (ss_req->bps, bp);
5288 if (ss_req->depth == STEP_DEPTH_INTO) {
5289 /* Enable global stepping so we stop at method entry too */
5290 enable_global = TRUE;
5294 * The ctx/frame info computed above will become invalid when we continue.
5296 tls->context.valid = FALSE;
5297 tls->async_state.valid = FALSE;
5298 invalidate_frames (tls);
5301 if (enable_global) {
5302 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5303 ss_req->global = TRUE;
5304 start_single_stepping ();
5305 } else if (!ss_req->bps) {
5306 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5307 ss_req->global = TRUE;
5308 start_single_stepping ();
5310 ss_req->global = FALSE;
5315 * Start single stepping of thread THREAD
5318 ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, StepFilter filter, EventRequest *req)
5320 DebuggerTlsData *tls;
5321 MonoSeqPointInfo *info = NULL;
5322 SeqPoint *sp = NULL;
5325 MonoMethod *method = NULL;
5326 MonoDebugMethodInfo *minfo;
5327 gboolean step_to_catch = FALSE;
5328 gboolean set_ip = FALSE;
5329 StackFrame **frames = NULL;
5332 if (suspend_count == 0)
5333 return ERR_NOT_SUSPENDED;
5335 wait_for_suspend ();
5337 // FIXME: Multiple requests
5339 DEBUG_PRINTF (0, "Received a single step request while the previous one was still active.\n");
5340 return ERR_NOT_IMPLEMENTED;
5343 DEBUG_PRINTF (1, "[dbg] Starting single step of thread %p (depth=%s).\n", thread, ss_depth_to_string (depth));
5345 ss_req = g_new0 (SingleStepReq, 1);
5347 ss_req->thread = thread;
5348 ss_req->size = size;
5349 ss_req->depth = depth;
5350 ss_req->filter = filter;
5353 mono_loader_lock ();
5354 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5355 mono_loader_unlock ();
5357 g_assert (tls->context.valid);
5359 if (tls->restore_state.valid && MONO_CONTEXT_GET_IP (&tls->context.ctx) != MONO_CONTEXT_GET_IP (&tls->restore_state.ctx)) {
5361 * Need to start single stepping from restore_state and not from the current state
5364 frames = compute_frame_info_from (thread, tls, &tls->restore_state, &nframes);
5367 ss_req->start_sp = ss_req->last_sp = MONO_CONTEXT_GET_SP (&tls->context.ctx);
5369 if (tls->catch_state.valid) {
5371 StackFrameInfo frame;
5372 MonoContext new_ctx;
5373 MonoLMF *lmf = NULL;
5376 * We are stopped at a throw site. Stepping should go to the catch site.
5379 /* Find the the jit info for the catch context */
5380 res = mono_find_jit_info_ext (tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN], thread->jit_data, NULL, &tls->catch_state.ctx, &new_ctx, NULL, &lmf, NULL, &frame);
5382 g_assert (frame.type == FRAME_TYPE_MANAGED);
5385 * Find the seq point corresponding to the landing site ip, which is the first seq
5388 found_sp = find_next_seq_point_for_native_offset (frame.domain, frame.method, frame.native_offset, &info, &local_sp);
5389 sp = (found_sp)? &local_sp : NULL;
5391 no_seq_points_found (frame.method);
5394 method = frame.method;
5396 step_to_catch = TRUE;
5397 /* This make sure the seq point is not skipped by process_single_step () */
5398 ss_req->last_sp = NULL;
5401 if (!step_to_catch) {
5402 StackFrame *frame = NULL;
5405 if (frames && nframes)
5408 compute_frame_info (thread, tls);
5410 if (tls->frame_count)
5411 frame = tls->frames [0];
5414 if (ss_req->size == STEP_SIZE_LINE) {
5416 ss_req->last_method = frame->method;
5417 ss_req->last_line = -1;
5419 minfo = mono_debug_lookup_method (frame->method);
5420 if (minfo && frame->il_offset != -1) {
5421 MonoDebugSourceLocation *loc = mono_debug_symfile_lookup_location (minfo, frame->il_offset);
5424 ss_req->last_line = loc->row;
5432 if (!method && frame->il_offset != -1) {
5433 /* FIXME: Sort the table and use a binary search */
5434 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5435 sp = (found_sp)? &local_sp : NULL;
5437 no_seq_points_found (frame->method);
5439 method = frame->method;
5444 ss_req->start_method = method;
5446 ss_start (ss_req, method, sp, info, set_ip ? &tls->restore_state.ctx : &tls->context.ctx, tls, step_to_catch, frames, nframes);
5449 free_frames (frames, nframes);
5455 ss_destroy (SingleStepReq *req)
5458 g_assert (ss_req == req);
5467 ss_clear_for_assembly (SingleStepReq *req, MonoAssembly *assembly)
5470 gboolean found = TRUE;
5474 for (l = ss_req->bps; l; l = l->next) {
5475 if (breakpoint_matches_assembly (l->data, assembly)) {
5476 clear_breakpoint (l->data);
5477 ss_req->bps = g_slist_delete_link (ss_req->bps, l);
5486 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5489 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
5495 if (!agent_config.enabled)
5498 mono_loader_lock ();
5499 events = create_event_list (EVENT_KIND_USER_LOG, NULL, NULL, NULL, &suspend_policy);
5500 mono_loader_unlock ();
5503 ei.category = category ? mono_string_to_utf8 (category) : NULL;
5504 ei.message = message ? mono_string_to_utf8 (message) : NULL;
5506 process_event (EVENT_KIND_USER_LOG, &ei, 0, NULL, events, suspend_policy);
5508 g_free (ei.category);
5509 g_free (ei.message);
5513 mono_debugger_agent_debug_log_is_enabled (void)
5515 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5516 return agent_config.enabled;
5519 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
5521 mono_debugger_agent_unhandled_exception (MonoException *exc)
5530 memset (&ei, 0, sizeof (EventInfo));
5531 ei.exc = (MonoObject*)exc;
5533 mono_loader_lock ();
5534 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, NULL, &ei, &suspend_policy);
5535 mono_loader_unlock ();
5537 process_event (EVENT_KIND_EXCEPTION, &ei, 0, NULL, events, suspend_policy);
5542 mono_debugger_agent_handle_exception (MonoException *exc, MonoContext *throw_ctx,
5543 MonoContext *catch_ctx)
5545 int i, j, suspend_policy;
5547 MonoJitInfo *ji, *catch_ji;
5549 DebuggerTlsData *tls = NULL;
5551 if (thread_to_tls != NULL) {
5552 MonoInternalThread *thread = mono_thread_internal_current ();
5554 mono_loader_lock ();
5555 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5556 mono_loader_unlock ();
5558 if (tls && tls->abort_requested)
5560 if (tls && tls->disable_breakpoints)
5564 memset (&ei, 0, sizeof (EventInfo));
5566 /* Just-In-Time debugging */
5568 if (agent_config.onuncaught && !inited) {
5569 finish_agent_init (FALSE);
5572 * Send an unsolicited EXCEPTION event with a dummy request id.
5574 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5575 ei.exc = (MonoObject*)exc;
5576 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5579 } else if (agent_config.onthrow && !inited) {
5581 gboolean found = FALSE;
5583 for (l = agent_config.onthrow; l; l = l->next) {
5584 char *ex_type = l->data;
5585 char *f = mono_type_full_name (&exc->object.vtable->klass->byval_arg);
5587 if (!strcmp (ex_type, "") || !strcmp (ex_type, f))
5594 finish_agent_init (FALSE);
5597 * Send an unsolicited EXCEPTION event with a dummy request id.
5599 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5600 ei.exc = (MonoObject*)exc;
5601 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5609 ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (throw_ctx), NULL);
5611 catch_ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (catch_ctx), NULL);
5615 ei.exc = (MonoObject*)exc;
5616 ei.caught = catch_ctx != NULL;
5618 mono_loader_lock ();
5620 /* Treat exceptions which are caught in non-user code as unhandled */
5621 for (i = 0; i < event_requests->len; ++i) {
5622 EventRequest *req = g_ptr_array_index (event_requests, i);
5623 if (req->event_kind != EVENT_KIND_EXCEPTION)
5626 for (j = 0; j < req->nmodifiers; ++j) {
5627 Modifier *mod = &req->modifiers [j];
5629 if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && catch_ji) {
5631 gboolean found = FALSE;
5632 MonoAssembly **assemblies = mod->data.assemblies;
5635 for (k = 0; assemblies [k]; ++k)
5636 if (assemblies [k] == jinfo_get_method (catch_ji)->klass->image->assembly)
5645 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, ji, &ei, &suspend_policy);
5646 mono_loader_unlock ();
5648 if (tls && ei.caught && catch_ctx) {
5649 memset (&tls->catch_state, 0, sizeof (tls->catch_state));
5650 tls->catch_state.ctx = *catch_ctx;
5651 tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN] = mono_domain_get ();
5652 tls->catch_state.valid = TRUE;
5655 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, suspend_policy);
5658 tls->catch_state.valid = FALSE;
5662 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5664 DebuggerTlsData *tls;
5669 tls = mono_native_tls_get_value (debugger_tls_id);
5674 * We're about to invoke an exception filter during the first pass of exception handling.
5676 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
5677 * 'orig_ctx' is the context where the exception has been thrown.
5680 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
5682 * If we're stopped in Filter(), normal stack unwinding would first unwind to
5683 * the call site (line 37) and then continue to Main(), but it would never
5684 * include the throw site (line 32).
5686 * Since exception filters are invoked during the first pass of exception handling,
5687 * the stack frames of the throw site are still intact, so we should include them
5690 * We do this here by saving the context of the throw site in 'tls->filter_state'.
5692 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
5693 * but report the location of the 'throw' to the user.
5697 g_assert (mono_thread_state_init_from_monoctx (&tls->filter_state, orig_ctx));
5701 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5703 DebuggerTlsData *tls;
5708 tls = mono_native_tls_get_value (debugger_tls_id);
5712 tls->filter_state.valid = FALSE;
5716 * buffer_add_value_full:
5718 * Add the encoding of the value at ADDR described by T to the buffer.
5719 * AS_VTYPE determines whenever to treat primitive types as primitive types or
5723 buffer_add_value_full (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain,
5724 gboolean as_vtype, GHashTable *parent_vtypes)
5727 gboolean boxed_vtype = FALSE;
5730 if (!(*(void**)addr)) {
5731 /* This can happen with compiler generated locals */
5732 //printf ("%s\n", mono_type_full_name (t));
5733 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5736 g_assert (*(void**)addr);
5737 addr = *(void**)addr;
5742 case MONO_TYPE_BOOLEAN:
5745 case MONO_TYPE_CHAR:
5765 case MONO_TYPE_VOID:
5766 buffer_add_byte (buf, t->type);
5768 case MONO_TYPE_BOOLEAN:
5771 buffer_add_byte (buf, t->type);
5772 buffer_add_int (buf, *(gint8*)addr);
5774 case MONO_TYPE_CHAR:
5777 buffer_add_byte (buf, t->type);
5778 buffer_add_int (buf, *(gint16*)addr);
5783 buffer_add_byte (buf, t->type);
5784 buffer_add_int (buf, *(gint32*)addr);
5789 buffer_add_byte (buf, t->type);
5790 buffer_add_long (buf, *(gint64*)addr);
5794 /* Treat it as a vtype */
5796 case MONO_TYPE_PTR: {
5797 gssize val = *(gssize*)addr;
5799 buffer_add_byte (buf, t->type);
5800 buffer_add_long (buf, val);
5804 case MONO_TYPE_STRING:
5805 case MONO_TYPE_SZARRAY:
5806 case MONO_TYPE_OBJECT:
5807 case MONO_TYPE_CLASS:
5808 case MONO_TYPE_ARRAY:
5809 obj = *(MonoObject**)addr;
5812 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5814 if (obj->vtable->klass->valuetype) {
5815 t = &obj->vtable->klass->byval_arg;
5816 addr = mono_object_unbox (obj);
5819 } else if (obj->vtable->klass->rank) {
5820 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5821 } else if (obj->vtable->klass->byval_arg.type == MONO_TYPE_GENERICINST) {
5822 buffer_add_byte (buf, MONO_TYPE_CLASS);
5824 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5826 buffer_add_objid (buf, obj);
5830 case MONO_TYPE_VALUETYPE: {
5834 MonoClass *klass = mono_class_from_mono_type (t);
5839 * Handle boxed vtypes recursively referencing themselves using fields.
5842 parent_vtypes = g_hash_table_new (NULL, NULL);
5843 vtype_index = GPOINTER_TO_INT (g_hash_table_lookup (parent_vtypes, addr));
5845 if (CHECK_PROTOCOL_VERSION (2, 33)) {
5846 buffer_add_byte (buf, VALUE_TYPE_ID_PARENT_VTYPE);
5847 buffer_add_int (buf, vtype_index - 1);
5849 /* The client can't handle PARENT_VTYPE */
5850 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5854 g_hash_table_insert (parent_vtypes, addr, GINT_TO_POINTER (g_hash_table_size (parent_vtypes) + 1));
5858 buffer_add_byte (buf, MONO_TYPE_VALUETYPE);
5859 buffer_add_byte (buf, klass->enumtype);
5860 buffer_add_typeid (buf, domain, klass);
5864 while ((f = mono_class_get_fields (klass, &iter))) {
5865 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5867 if (mono_field_is_deleted (f))
5871 buffer_add_int (buf, nfields);
5874 while ((f = mono_class_get_fields (klass, &iter))) {
5875 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5877 if (mono_field_is_deleted (f))
5879 buffer_add_value_full (buf, f->type, (guint8*)addr + f->offset - sizeof (MonoObject), domain, FALSE, parent_vtypes);
5883 g_hash_table_remove (parent_vtypes, addr);
5884 if (g_hash_table_size (parent_vtypes) == 0) {
5885 g_hash_table_destroy (parent_vtypes);
5886 parent_vtypes = NULL;
5891 case MONO_TYPE_GENERICINST:
5892 if (mono_type_generic_inst_is_valuetype (t)) {
5904 buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
5906 buffer_add_value_full (buf, t, addr, domain, FALSE, NULL);
5910 obj_is_of_type (MonoObject *obj, MonoType *t)
5912 MonoClass *klass = obj->vtable->klass;
5913 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5914 if (mono_class_is_transparent_proxy (klass)) {
5915 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5916 if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5926 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
5929 decode_vtype (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5935 gpointer iter = NULL;
5939 is_enum = decode_byte (buf, &buf, limit);
5940 /* Enums are sent as a normal vtype */
5942 return ERR_NOT_IMPLEMENTED;
5943 klass = decode_typeid (buf, &buf, limit, &d, &err);
5947 if (t && klass != mono_class_from_mono_type (t)) {
5948 char *name = mono_type_full_name (t);
5949 char *name2 = mono_type_full_name (&klass->byval_arg);
5950 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got %s.\n", (gpointer)GetCurrentThreadId (), name, name2);
5953 return ERR_INVALID_ARGUMENT;
5956 nfields = decode_int (buf, &buf, limit);
5957 while ((f = mono_class_get_fields (klass, &iter))) {
5958 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5960 if (mono_field_is_deleted (f))
5962 err = decode_value (f->type, domain, (guint8*)addr + f->offset - sizeof (MonoObject), buf, &buf, limit);
5967 g_assert (nfields == 0);
5975 decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5979 if (type != t->type && !MONO_TYPE_IS_REFERENCE (t) &&
5980 !(t->type == MONO_TYPE_I && type == MONO_TYPE_VALUETYPE) &&
5981 !(t->type == MONO_TYPE_U && type == MONO_TYPE_VALUETYPE) &&
5982 !(t->type == MONO_TYPE_PTR && type == MONO_TYPE_I8) &&
5983 !(t->type == MONO_TYPE_GENERICINST && type == MONO_TYPE_VALUETYPE)) {
5984 char *name = mono_type_full_name (t);
5985 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type);
5987 return ERR_INVALID_ARGUMENT;
5991 case MONO_TYPE_BOOLEAN:
5992 *(guint8*)addr = decode_int (buf, &buf, limit);
5994 case MONO_TYPE_CHAR:
5995 *(gunichar2*)addr = decode_int (buf, &buf, limit);
5998 *(gint8*)addr = decode_int (buf, &buf, limit);
6001 *(guint8*)addr = decode_int (buf, &buf, limit);
6004 *(gint16*)addr = decode_int (buf, &buf, limit);
6007 *(guint16*)addr = decode_int (buf, &buf, limit);
6010 *(gint32*)addr = decode_int (buf, &buf, limit);
6013 *(guint32*)addr = decode_int (buf, &buf, limit);
6016 *(gint64*)addr = decode_long (buf, &buf, limit);
6019 *(guint64*)addr = decode_long (buf, &buf, limit);
6022 *(guint32*)addr = decode_int (buf, &buf, limit);
6025 *(guint64*)addr = decode_long (buf, &buf, limit);
6028 /* We send these as I8, so we get them back as such */
6029 g_assert (type == MONO_TYPE_I8);
6030 *(gssize*)addr = decode_long (buf, &buf, limit);
6032 case MONO_TYPE_GENERICINST:
6033 if (MONO_TYPE_ISSTRUCT (t)) {
6034 /* The client sends these as a valuetype */
6042 /* We send these as vtypes, so we get them back as such */
6043 g_assert (type == MONO_TYPE_VALUETYPE);
6046 case MONO_TYPE_VALUETYPE:
6047 err = decode_vtype (t, domain, addr,buf, &buf, limit);
6053 if (MONO_TYPE_IS_REFERENCE (t)) {
6054 if (type == MONO_TYPE_OBJECT) {
6055 int objid = decode_objid (buf, &buf, limit);
6059 err = get_object (objid, (MonoObject**)&obj);
6064 if (!obj_is_of_type (obj, t)) {
6065 DEBUG_PRINTF (1, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name);
6066 return ERR_INVALID_ARGUMENT;
6069 if (obj && obj->vtable->domain != domain)
6070 return ERR_INVALID_ARGUMENT;
6072 mono_gc_wbarrier_generic_store (addr, obj);
6073 } else if (type == VALUE_TYPE_ID_NULL) {
6074 *(MonoObject**)addr = NULL;
6075 } else if (type == MONO_TYPE_VALUETYPE) {
6083 /* This can happen when round-tripping boxed vtypes */
6085 * Obtain vtype class.
6086 * Same as the beginning of the handle_vtype case above.
6089 is_enum = decode_byte (buf, &buf, limit);
6091 return ERR_NOT_IMPLEMENTED;
6092 klass = decode_typeid (buf, &buf, limit, &d, &err);
6096 /* Decode the vtype into a temporary buffer, then box it. */
6097 vtype_buf_size = mono_class_value_size (klass, NULL);
6098 vtype_buf = g_malloc0 (vtype_buf_size);
6099 g_assert (vtype_buf);
6102 err = decode_vtype (NULL, domain, vtype_buf, buf, &buf, limit);
6107 *(MonoObject**)addr = mono_value_box (d, klass, vtype_buf);
6110 char *name = mono_type_full_name (t);
6111 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type);
6113 return ERR_INVALID_ARGUMENT;
6127 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6130 int type = decode_byte (buf, &buf, limit);
6132 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
6133 MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
6134 guint8 *nullable_buf;
6137 * First try decoding it as a Nullable`1
6139 err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6144 * Then try decoding as a primitive value or null.
6146 if (targ->type == type) {
6147 nullable_buf = g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
6148 err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
6150 g_free (nullable_buf);
6153 mono_nullable_init (addr, mono_value_box (domain, mono_class_from_mono_type (targ), nullable_buf), mono_class_from_mono_type (t));
6154 g_free (nullable_buf);
6157 } else if (type == VALUE_TYPE_ID_NULL) {
6158 mono_nullable_init (addr, NULL, mono_class_from_mono_type (t));
6164 return decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6168 add_var (Buffer *buf, MonoDebugMethodJitInfo *jit, MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, gboolean as_vtype)
6172 guint8 *addr, *gaddr;
6175 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6176 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6179 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER:
6180 reg_val = mono_arch_context_get_int_reg (ctx, reg);
6182 buffer_add_value_full (buf, t, ®_val, domain, as_vtype, NULL);
6184 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6185 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6186 addr += (gint32)var->offset;
6188 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6190 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6192 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6195 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6196 case MONO_DEBUG_VAR_ADDRESS_MODE_VTADDR:
6197 /* Same as regoffset, but with an indirection */
6198 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6199 addr += (gint32)var->offset;
6201 gaddr = *(gpointer*)addr;
6203 buffer_add_value_full (buf, t, gaddr, domain, as_vtype, NULL);
6205 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL: {
6206 MonoDebugVarInfo *info_var = jit->gsharedvt_info_var;
6207 MonoDebugVarInfo *locals_var = jit->gsharedvt_locals_var;
6208 MonoGSharedVtMethodRuntimeInfo *info;
6214 g_assert (info_var);
6215 g_assert (locals_var);
6217 flags = info_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6218 reg = info_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6219 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6220 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6221 addr += (gint32)info_var->offset;
6222 info = *(gpointer*)addr;
6223 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6224 info = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6226 g_assert_not_reached ();
6230 flags = locals_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6231 reg = locals_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6232 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6233 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6234 addr += (gint32)locals_var->offset;
6235 locals = *(gpointer*)addr;
6236 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6237 locals = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6239 g_assert_not_reached ();
6243 addr = locals + GPOINTER_TO_INT (info->entries [idx]);
6245 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6250 g_assert_not_reached ();
6255 set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, guint8 *val, mgreg_t **reg_locations, MonoContext *restore_ctx)
6259 guint8 *addr, *gaddr;
6261 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6262 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6264 if (MONO_TYPE_IS_REFERENCE (t))
6265 size = sizeof (gpointer);
6267 size = mono_class_value_size (mono_class_from_mono_type (t), NULL);
6270 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER: {
6271 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
6273 gboolean is_signed = FALSE;
6276 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6279 // FIXME: Write barriers
6280 mono_gc_memmove_atomic (addr, val, size);
6285 if (!t->byref && (t->type == MONO_TYPE_I1 || t->type == MONO_TYPE_I2 || t->type == MONO_TYPE_I4 || t->type == MONO_TYPE_I8))
6290 v = is_signed ? *(gint8*)val : *(guint8*)val;
6293 v = is_signed ? *(gint16*)val : *(guint16*)val;
6296 v = is_signed ? *(gint32*)val : *(guint32*)val;
6299 v = is_signed ? *(gint64*)val : *(guint64*)val;
6302 g_assert_not_reached ();
6305 /* Set value on the stack or in the return ctx */
6306 if (reg_locations [reg]) {
6307 /* Saved on the stack */
6308 DEBUG_PRINTF (1, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations [reg], reg, (gpointer)v);
6309 *(reg_locations [reg]) = v;
6312 DEBUG_PRINTF (1, "[dbg] Setting context location for reg %x to %p.\n", reg, (gpointer)v);
6313 mono_arch_context_set_int_reg (restore_ctx, reg, v);
6316 // FIXME: Move these to mono-context.h/c.
6317 mono_arch_context_set_int_reg (ctx, reg, v);
6319 // FIXME: Can't set registers, so we disable linears
6324 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6325 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6326 addr += (gint32)var->offset;
6328 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6331 addr = *(guint8**)addr;
6337 // FIXME: Write barriers
6338 mono_gc_memmove_atomic (addr, val, size);
6340 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6341 /* Same as regoffset, but with an indirection */
6342 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6343 addr += (gint32)var->offset;
6345 gaddr = *(gpointer*)addr;
6347 // FIXME: Write barriers
6348 mono_gc_memmove_atomic (gaddr, val, size);
6350 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6354 g_assert_not_reached ();
6359 clear_event_request (int req_id, int etype)
6363 mono_loader_lock ();
6364 for (i = 0; i < event_requests->len; ++i) {
6365 EventRequest *req = g_ptr_array_index (event_requests, i);
6367 if (req->id == req_id && req->event_kind == etype) {
6368 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6369 clear_breakpoint (req->info);
6370 if (req->event_kind == EVENT_KIND_STEP)
6371 ss_destroy (req->info);
6372 if (req->event_kind == EVENT_KIND_METHOD_ENTRY)
6373 clear_breakpoint (req->info);
6374 if (req->event_kind == EVENT_KIND_METHOD_EXIT)
6375 clear_breakpoint (req->info);
6376 g_ptr_array_remove_index_fast (event_requests, i);
6381 mono_loader_unlock ();
6385 clear_assembly_from_modifier (EventRequest *req, Modifier *m, MonoAssembly *assembly)
6389 if (m->kind == MOD_KIND_EXCEPTION_ONLY && m->data.exc_class && m->data.exc_class->image->assembly == assembly)
6390 m->kind = MOD_KIND_NONE;
6391 if (m->kind == MOD_KIND_ASSEMBLY_ONLY && m->data.assemblies) {
6392 int count = 0, match_count = 0, pos;
6393 MonoAssembly **newassemblies;
6395 for (i = 0; m->data.assemblies [i]; ++i) {
6397 if (m->data.assemblies [i] == assembly)
6402 newassemblies = g_new0 (MonoAssembly*, count - match_count);
6405 for (i = 0; i < count; ++i)
6406 if (m->data.assemblies [i] != assembly)
6407 newassemblies [pos ++] = m->data.assemblies [i];
6408 g_assert (pos == count - match_count);
6409 g_free (m->data.assemblies);
6410 m->data.assemblies = newassemblies;
6416 clear_assembly_from_modifiers (EventRequest *req, MonoAssembly *assembly)
6420 for (i = 0; i < req->nmodifiers; ++i) {
6421 Modifier *m = &req->modifiers [i];
6423 clear_assembly_from_modifier (req, m, assembly);
6428 * clear_event_requests_for_assembly:
6430 * Clear all events requests which reference ASSEMBLY.
6433 clear_event_requests_for_assembly (MonoAssembly *assembly)
6438 mono_loader_lock ();
6442 for (i = 0; i < event_requests->len; ++i) {
6443 EventRequest *req = g_ptr_array_index (event_requests, i);
6445 clear_assembly_from_modifiers (req, assembly);
6447 if (req->event_kind == EVENT_KIND_BREAKPOINT && breakpoint_matches_assembly (req->info, assembly)) {
6448 clear_event_request (req->id, req->event_kind);
6453 if (req->event_kind == EVENT_KIND_STEP)
6454 ss_clear_for_assembly (req->info, assembly);
6457 mono_loader_unlock ();
6461 * type_comes_from_assembly:
6463 * GHRFunc that returns TRUE if klass comes from assembly
6466 type_comes_from_assembly (gpointer klass, gpointer also_klass, gpointer assembly)
6468 return (mono_class_get_image ((MonoClass*)klass) == mono_assembly_get_image ((MonoAssembly*)assembly));
6472 * clear_types_for_assembly:
6474 * Clears types from loaded_classes for a given assembly
6477 clear_types_for_assembly (MonoAssembly *assembly)
6479 MonoDomain *domain = mono_domain_get ();
6480 AgentDomainInfo *info = NULL;
6482 if (!domain || !domain_jit_info (domain))
6483 /* Can happen during shutdown */
6486 mono_loader_lock ();
6487 info = get_agent_domain_info (domain);
6488 g_hash_table_foreach_remove (info->loaded_classes, type_comes_from_assembly, assembly);
6489 mono_loader_unlock ();
6493 add_thread (gpointer key, gpointer value, gpointer user_data)
6495 MonoInternalThread *thread = value;
6496 Buffer *buf = user_data;
6498 buffer_add_objid (buf, (MonoObject*)thread);
6502 do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
6504 guint8 *end = invoke->endp;
6507 MonoMethodSignature *sig;
6510 MonoObject *this, *res, *exc;
6513 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6516 MonoStopwatch watch;
6518 if (invoke->method) {
6520 * Invoke this method directly, currently only Environment.Exit () is supported.
6523 DEBUG_PRINTF (1, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer)GetCurrentThreadId (), mono_method_full_name (invoke->method, TRUE), this ? this->vtable->klass->name : "<null>");
6524 mono_runtime_invoke (invoke->method, NULL, invoke->args, &exc);
6525 g_assert_not_reached ();
6528 m = decode_methodid (p, &p, end, &domain, &err);
6531 sig = mono_method_signature (m);
6533 if (m->klass->valuetype)
6534 this_buf = g_alloca (mono_class_instance_size (m->klass));
6536 this_buf = g_alloca (sizeof (MonoObject*));
6537 if (m->klass->valuetype && (m->flags & METHOD_ATTRIBUTE_STATIC)) {
6538 /* Should be null */
6539 int type = decode_byte (p, &p, end);
6540 if (type != VALUE_TYPE_ID_NULL) {
6541 DEBUG_PRINTF (1, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer)GetCurrentThreadId ());
6542 return ERR_INVALID_ARGUMENT;
6544 memset (this_buf, 0, mono_class_instance_size (m->klass));
6546 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6551 if (!m->klass->valuetype)
6552 this = *(MonoObject**)this_buf;
6556 if (MONO_CLASS_IS_INTERFACE (m->klass)) {
6558 DEBUG_PRINTF (1, "[%p] Error: Interface method invoked without this argument.\n", (gpointer)GetCurrentThreadId ());
6559 return ERR_INVALID_ARGUMENT;
6561 m = mono_object_get_virtual_method (this, m);
6562 } else if ((m->flags & METHOD_ATTRIBUTE_VIRTUAL) && !m->klass->valuetype && invoke->flags & INVOKE_FLAG_VIRTUAL) {
6564 DEBUG_PRINTF (1, "[%p] Error: invoke with INVOKE_FLAG_VIRTUAL flag set without this argument.\n", (gpointer)GetCurrentThreadId ());
6565 return ERR_INVALID_ARGUMENT;
6567 m = mono_object_get_virtual_method (this, m);
6570 DEBUG_PRINTF (1, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer)GetCurrentThreadId (), mono_method_full_name (m, TRUE), this ? this->vtable->klass->name : "<null>");
6572 if (this && this->vtable->domain != domain)
6575 if (!m->klass->valuetype && !(m->flags & METHOD_ATTRIBUTE_STATIC) && !this) {
6576 if (!strcmp (m->name, ".ctor")) {
6577 if (m->klass->flags & TYPE_ATTRIBUTE_ABSTRACT)
6578 return ERR_INVALID_ARGUMENT;
6580 this = mono_object_new (domain, m->klass);
6582 return ERR_INVALID_ARGUMENT;
6586 if (this && !obj_is_of_type (this, &m->klass->byval_arg))
6587 return ERR_INVALID_ARGUMENT;
6589 nargs = decode_int (p, &p, end);
6590 if (nargs != sig->param_count)
6591 return ERR_INVALID_ARGUMENT;
6592 /* Use alloca to get gc tracking */
6593 arg_buf = g_alloca (nargs * sizeof (gpointer));
6594 memset (arg_buf, 0, nargs * sizeof (gpointer));
6595 args = g_alloca (nargs * sizeof (gpointer));
6596 for (i = 0; i < nargs; ++i) {
6597 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
6598 err = decode_value (sig->params [i], domain, (guint8*)&args [i], p, &p, end);
6601 if (args [i] && ((MonoObject*)args [i])->vtable->domain != domain)
6604 if (sig->params [i]->byref) {
6605 arg_buf [i] = g_alloca (sizeof (mgreg_t));
6606 *(gpointer*)arg_buf [i] = args [i];
6607 args [i] = arg_buf [i];
6610 arg_buf [i] = g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig->params [i])));
6611 err = decode_value (sig->params [i], domain, arg_buf [i], p, &p, end);
6614 args [i] = arg_buf [i];
6621 if (invoke->flags & INVOKE_FLAG_DISABLE_BREAKPOINTS)
6622 tls->disable_breakpoints = TRUE;
6624 tls->disable_breakpoints = FALSE;
6627 * Add an LMF frame to link the stack frames on the invoke method with our caller.
6629 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6630 if (invoke->has_ctx) {
6633 lmf_addr = mono_get_lmf_addr ();
6636 memset (&ext, 0, sizeof (ext));
6637 mono_arch_init_lmf_ext (&ext, *lmf_addr);
6639 ext.debugger_invoke = TRUE;
6640 memcpy (&ext.ctx, &invoke->ctx, sizeof (MonoContext));
6642 mono_set_lmf ((MonoLMF*)&ext);
6646 mono_stopwatch_start (&watch);
6647 if (m->klass->valuetype)
6648 res = mono_runtime_invoke (m, this_buf, args, &exc);
6650 res = mono_runtime_invoke (m, this, args, &exc);
6651 mono_stopwatch_stop (&watch);
6652 DEBUG_PRINTF (1, "[%p] Invoke result: %p, exc: %s, time: %ld ms.\n", (gpointer)GetCurrentThreadId (), res, exc ? exc->vtable->klass->name : NULL, (long)mono_stopwatch_elapsed_ms (&watch));
6654 buffer_add_byte (buf, 0);
6655 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &exc, domain);
6657 gboolean out_this = FALSE;
6658 gboolean out_args = FALSE;
6660 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_THIS) && CHECK_PROTOCOL_VERSION (2, 35))
6662 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_ARGS) && CHECK_PROTOCOL_VERSION (2, 35))
6664 buffer_add_byte (buf, 1 + (out_this ? 2 : 0) + (out_args ? 4 : 0));
6665 if (sig->ret->type == MONO_TYPE_VOID) {
6666 if (!strcmp (m->name, ".ctor") && !m->klass->valuetype) {
6667 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this, domain);
6670 buffer_add_value (buf, &mono_defaults.void_class->byval_arg, NULL, domain);
6671 } else if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
6672 buffer_add_value (buf, sig->ret, &res, domain);
6673 } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
6674 if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
6675 MonoClass *k = mono_class_from_mono_type (sig->ret);
6676 guint8 *nullable_buf = g_alloca (mono_class_value_size (k, NULL));
6678 g_assert (nullable_buf);
6679 mono_nullable_init (nullable_buf, res, k);
6680 buffer_add_value (buf, sig->ret, nullable_buf, domain);
6683 buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
6689 /* Return the new value of the receiver after the call */
6690 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6692 buffer_add_int (buf, nargs);
6693 for (i = 0; i < nargs; ++i) {
6694 if (MONO_TYPE_IS_REFERENCE (sig->params [i]))
6695 buffer_add_value (buf, sig->params [i], &args [i], domain);
6696 else if (sig->params [i]->byref)
6697 /* add_value () does an indirection */
6698 buffer_add_value (buf, sig->params [i], &arg_buf [i], domain);
6700 buffer_add_value (buf, sig->params [i], arg_buf [i], domain);
6705 tls->disable_breakpoints = FALSE;
6707 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6708 if (invoke->has_ctx)
6709 mono_set_lmf ((gpointer)(((gssize)ext.lmf.previous_lmf) & ~3));
6713 // FIXME: byref arguments
6721 * Invoke the method given by tls->pending_invoke in the current thread.
6724 invoke_method (void)
6726 DebuggerTlsData *tls;
6731 MonoContext restore_ctx;
6734 tls = mono_native_tls_get_value (debugger_tls_id);
6738 * Store the `InvokeData *' in `tls->invoke' until we're done with
6739 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
6742 mono_loader_lock ();
6744 invoke = tls->pending_invoke;
6746 tls->pending_invoke = NULL;
6748 invoke->last_invoke = tls->invoke;
6749 tls->invoke = invoke;
6751 mono_loader_unlock ();
6753 tls->frames_up_to_date = FALSE;
6759 for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
6760 buffer_init (&buf, 128);
6763 /* Fail the other invokes as well */
6765 err = do_invoke_method (tls, &buf, invoke, p, &p);
6768 /* Start suspending before sending the reply */
6769 if (mindex == invoke->nmethods - 1) {
6770 if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
6771 for (i = 0; i < invoke->suspend_count; ++i)
6776 send_reply_packet (id, err, &buf);
6781 memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
6783 if (invoke->has_ctx)
6784 save_thread_context (&restore_ctx);
6786 if (invoke->flags & INVOKE_FLAG_SINGLE_THREADED) {
6787 g_assert (tls->resume_count);
6788 tls->resume_count -= invoke->suspend_count;
6791 DEBUG_PRINTF (1, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer)GetCurrentThreadId (), err, tls->resume_count);
6794 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
6796 * It is possible that ves_icall_System_Threading_Thread_Abort () was called
6797 * after the mono_runtime_invoke() already returned, but it doesn't matter
6798 * because we reset the abort here.
6801 mono_loader_lock ();
6803 if (tls->abort_requested)
6804 mono_thread_internal_reset_abort (tls->thread);
6806 tls->invoke = tls->invoke->last_invoke;
6807 tls->abort_requested = FALSE;
6809 mono_loader_unlock ();
6818 is_really_suspended (gpointer key, gpointer value, gpointer user_data)
6820 MonoThread *thread = value;
6821 DebuggerTlsData *tls;
6824 mono_loader_lock ();
6825 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6827 res = tls->really_suspended;
6828 mono_loader_unlock ();
6834 get_source_files_for_type (MonoClass *klass)
6836 gpointer iter = NULL;
6838 MonoDebugSourceInfo *sinfo;
6842 files = g_ptr_array_new ();
6844 while ((method = mono_class_get_methods (klass, &iter))) {
6845 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
6846 GPtrArray *source_file_list;
6849 mono_debug_symfile_get_line_numbers_full (minfo, NULL, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
6850 for (j = 0; j < source_file_list->len; ++j) {
6851 sinfo = g_ptr_array_index (source_file_list, j);
6852 for (i = 0; i < files->len; ++i)
6853 if (!strcmp (g_ptr_array_index (files, i), sinfo->source_file))
6855 if (i == files->len)
6856 g_ptr_array_add (files, g_strdup (sinfo->source_file));
6858 g_ptr_array_free (source_file_list, TRUE);
6866 vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
6869 case CMD_VM_VERSION: {
6870 char *build_info, *version;
6872 build_info = mono_get_runtime_build_info ();
6873 version = g_strdup_printf ("mono %s", build_info);
6875 buffer_add_string (buf, version); /* vm version */
6876 buffer_add_int (buf, MAJOR_VERSION);
6877 buffer_add_int (buf, MINOR_VERSION);
6878 g_free (build_info);
6882 case CMD_VM_SET_PROTOCOL_VERSION: {
6883 major_version = decode_int (p, &p, end);
6884 minor_version = decode_int (p, &p, end);
6885 protocol_version_set = TRUE;
6886 DEBUG_PRINTF (1, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION, MINOR_VERSION, major_version, minor_version);
6889 case CMD_VM_ALL_THREADS: {
6891 mono_loader_lock ();
6892 buffer_add_int (buf, mono_g_hash_table_size (tid_to_thread_obj));
6893 mono_g_hash_table_foreach (tid_to_thread_obj, add_thread, buf);
6894 mono_loader_unlock ();
6897 case CMD_VM_SUSPEND:
6899 wait_for_suspend ();
6902 if (suspend_count == 0)
6903 return ERR_NOT_SUSPENDED;
6905 clear_suspended_objs ();
6907 case CMD_VM_DISPOSE:
6908 /* Clear all event requests */
6909 mono_loader_lock ();
6910 while (event_requests->len > 0) {
6911 EventRequest *req = g_ptr_array_index (event_requests, 0);
6913 clear_event_request (req->id, req->event_kind);
6915 mono_loader_unlock ();
6917 while (suspend_count > 0)
6919 disconnected = TRUE;
6920 vm_start_event_sent = FALSE;
6923 MonoInternalThread *thread;
6924 DebuggerTlsData *tls;
6925 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6926 MonoClass *env_class;
6928 MonoMethod *exit_method = NULL;
6932 exit_code = decode_int (p, &p, end);
6934 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
6936 /* Have to send a reply before exiting */
6937 send_reply_packet (id, 0, buf);
6939 /* Clear all event requests */
6940 mono_loader_lock ();
6941 while (event_requests->len > 0) {
6942 EventRequest *req = g_ptr_array_index (event_requests, 0);
6944 clear_event_request (req->id, req->event_kind);
6946 mono_loader_unlock ();
6949 * The JDWP documentation says that the shutdown is not orderly. It doesn't
6950 * specify whenever a VM_DEATH event is sent. We currently do an orderly
6951 * shutdown by hijacking a thread to execute Environment.Exit (). This is
6952 * better than doing the shutdown ourselves, since it avoids various races.
6956 wait_for_suspend ();
6958 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6959 env_class = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
6961 exit_method = mono_class_get_method_from_name (env_class, "Exit", 1);
6964 mono_loader_lock ();
6965 thread = mono_g_hash_table_find (tid_to_thread, is_really_suspended, NULL);
6966 mono_loader_unlock ();
6968 if (thread && exit_method) {
6969 mono_loader_lock ();
6970 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6971 mono_loader_unlock ();
6973 args = g_new0 (gpointer, 1);
6974 args [0] = g_malloc (sizeof (int));
6975 *(int*)(args [0]) = exit_code;
6977 tls->pending_invoke = g_new0 (InvokeData, 1);
6978 tls->pending_invoke->method = exit_method;
6979 tls->pending_invoke->args = args;
6980 tls->pending_invoke->nmethods = 1;
6982 while (suspend_count > 0)
6986 * No thread found, do it ourselves.
6987 * FIXME: This can race with normal shutdown etc.
6989 while (suspend_count > 0)
6992 if (!mono_runtime_try_shutdown ())
6995 mono_environment_exitcode_set (exit_code);
6997 /* Suspend all managed threads since the runtime is going away */
6998 DEBUG_PRINTF (1, "Suspending all threads...\n");
6999 mono_thread_suspend_all_other_threads ();
7000 DEBUG_PRINTF (1, "Shutting down the runtime...\n");
7001 mono_runtime_quit ();
7002 transport_close2 ();
7003 DEBUG_PRINTF (1, "Exiting...\n");
7009 case CMD_VM_INVOKE_METHOD:
7010 case CMD_VM_INVOKE_METHODS: {
7011 int objid = decode_objid (p, &p, end);
7013 DebuggerTlsData *tls;
7014 int i, count, err, flags, nmethods;
7016 err = get_object (objid, (MonoObject**)&thread);
7020 flags = decode_int (p, &p, end);
7022 if (command == CMD_VM_INVOKE_METHODS)
7023 nmethods = decode_int (p, &p, end);
7027 // Wait for suspending if it already started
7029 wait_for_suspend ();
7030 if (!is_suspended ())
7031 return ERR_NOT_SUSPENDED;
7033 mono_loader_lock ();
7034 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7035 mono_loader_unlock ();
7038 if (!tls->really_suspended)
7039 /* The thread is still running native code, can't do invokes */
7040 return ERR_NOT_SUSPENDED;
7043 * Store the invoke data into tls, the thread will execute it after it is
7046 if (tls->pending_invoke)
7047 return ERR_NOT_SUSPENDED;
7048 tls->pending_invoke = g_new0 (InvokeData, 1);
7049 tls->pending_invoke->id = id;
7050 tls->pending_invoke->flags = flags;
7051 tls->pending_invoke->p = g_malloc (end - p);
7052 memcpy (tls->pending_invoke->p, p, end - p);
7053 tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
7054 tls->pending_invoke->suspend_count = suspend_count;
7055 tls->pending_invoke->nmethods = nmethods;
7057 if (flags & INVOKE_FLAG_SINGLE_THREADED) {
7058 resume_thread (THREAD_TO_INTERNAL (thread));
7061 count = suspend_count;
7062 for (i = 0; i < count; ++i)
7067 case CMD_VM_ABORT_INVOKE: {
7068 int objid = decode_objid (p, &p, end);
7070 DebuggerTlsData *tls;
7073 err = get_object (objid, (MonoObject**)&thread);
7077 invoke_id = decode_int (p, &p, end);
7079 mono_loader_lock ();
7080 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7083 if (tls->abort_requested) {
7084 mono_loader_unlock ();
7089 * Check whether we're still inside the mono_runtime_invoke() and that it's
7090 * actually the correct invocation.
7092 * Careful, we do not stop the thread that's doing the invocation, so we can't
7093 * inspect its stack. However, invoke_method() also acquires the loader lock
7094 * when it's done, so we're safe here.
7098 if (!tls->invoke || (tls->invoke->id != invoke_id)) {
7099 mono_loader_unlock ();
7100 return ERR_NO_INVOCATION;
7103 tls->abort_requested = TRUE;
7105 ves_icall_System_Threading_Thread_Abort (THREAD_TO_INTERNAL (thread), NULL);
7106 mono_loader_unlock ();
7110 case CMD_VM_SET_KEEPALIVE: {
7111 int timeout = decode_int (p, &p, end);
7112 agent_config.keepalive = timeout;
7114 #ifndef DISABLE_SOCKET_TRANSPORT
7121 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE: {
7122 GHashTableIter iter, kiter;
7127 char *fname, *basename;
7128 gboolean ignore_case;
7129 GSList *class_list, *l;
7130 GPtrArray *res_classes, *res_domains;
7132 fname = decode_string (p, &p, end);
7133 ignore_case = decode_byte (p, &p, end);
7135 basename = g_path_get_basename (fname);
7137 res_classes = g_ptr_array_new ();
7138 res_domains = g_ptr_array_new ();
7140 mono_loader_lock ();
7141 g_hash_table_iter_init (&iter, domains);
7142 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7143 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
7145 /* Update 'source_file_to_class' cache */
7146 g_hash_table_iter_init (&kiter, info->loaded_classes);
7147 while (g_hash_table_iter_next (&kiter, NULL, (void**)&klass)) {
7148 if (!g_hash_table_lookup (info->source_files, klass)) {
7149 files = get_source_files_for_type (klass);
7150 g_hash_table_insert (info->source_files, klass, files);
7152 for (i = 0; i < files->len; ++i) {
7153 char *s = g_ptr_array_index (files, i);
7154 char *s2 = g_path_get_basename (s);
7157 class_list = g_hash_table_lookup (info->source_file_to_class, s2);
7159 class_list = g_slist_prepend (class_list, klass);
7160 g_hash_table_insert (info->source_file_to_class, g_strdup (s2), class_list);
7162 class_list = g_slist_prepend (class_list, klass);
7163 g_hash_table_insert (info->source_file_to_class, s2, class_list);
7166 /* The _ignorecase hash contains the lowercase path */
7167 s3 = strdup_tolower (s2);
7168 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s3);
7170 class_list = g_slist_prepend (class_list, klass);
7171 g_hash_table_insert (info->source_file_to_class_ignorecase, g_strdup (s3), class_list);
7173 class_list = g_slist_prepend (class_list, klass);
7174 g_hash_table_insert (info->source_file_to_class_ignorecase, s3, class_list);
7186 s = strdup_tolower (basename);
7187 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s);
7190 class_list = g_hash_table_lookup (info->source_file_to_class, basename);
7193 for (l = class_list; l; l = l->next) {
7196 g_ptr_array_add (res_classes, klass);
7197 g_ptr_array_add (res_domains, domain);
7200 mono_loader_unlock ();
7205 buffer_add_int (buf, res_classes->len);
7206 for (i = 0; i < res_classes->len; ++i)
7207 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7208 g_ptr_array_free (res_classes, TRUE);
7209 g_ptr_array_free (res_domains, TRUE);
7212 case CMD_VM_GET_TYPES: {
7213 GHashTableIter iter;
7217 gboolean ignore_case;
7218 GPtrArray *res_classes, *res_domains;
7219 MonoTypeNameParse info;
7221 name = decode_string (p, &p, end);
7222 ignore_case = decode_byte (p, &p, end);
7224 if (!mono_reflection_parse_type (name, &info)) {
7226 mono_reflection_free_type_info (&info);
7227 return ERR_INVALID_ARGUMENT;
7230 res_classes = g_ptr_array_new ();
7231 res_domains = g_ptr_array_new ();
7233 mono_loader_lock ();
7234 g_hash_table_iter_init (&iter, domains);
7235 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7237 gboolean type_resolve;
7241 mono_domain_assemblies_lock (domain);
7242 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7246 type_resolve = TRUE;
7247 t = mono_reflection_get_type (ass->image, &info, ignore_case, &type_resolve);
7249 g_ptr_array_add (res_classes, mono_type_get_class (t));
7250 g_ptr_array_add (res_domains, domain);
7254 mono_domain_assemblies_unlock (domain);
7256 mono_loader_unlock ();
7259 mono_reflection_free_type_info (&info);
7261 buffer_add_int (buf, res_classes->len);
7262 for (i = 0; i < res_classes->len; ++i)
7263 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7264 g_ptr_array_free (res_classes, TRUE);
7265 g_ptr_array_free (res_domains, TRUE);
7268 case CMD_VM_START_BUFFERING:
7269 case CMD_VM_STOP_BUFFERING:
7270 /* Handled in the main loop */
7273 return ERR_NOT_IMPLEMENTED;
7280 event_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7286 case CMD_EVENT_REQUEST_SET: {
7288 int i, event_kind, suspend_policy, nmodifiers, mod;
7291 MonoThread *step_thread;
7292 int size = 0, depth = 0, filter = 0, step_thread_id = 0;
7296 event_kind = decode_byte (p, &p, end);
7297 suspend_policy = decode_byte (p, &p, end);
7298 nmodifiers = decode_byte (p, &p, end);
7300 req = g_malloc0 (sizeof (EventRequest) + (nmodifiers * sizeof (Modifier)));
7301 req->id = InterlockedIncrement (&event_request_id);
7302 req->event_kind = event_kind;
7303 req->suspend_policy = suspend_policy;
7304 req->nmodifiers = nmodifiers;
7307 for (i = 0; i < nmodifiers; ++i) {
7308 mod = decode_byte (p, &p, end);
7310 req->modifiers [i].kind = mod;
7311 if (mod == MOD_KIND_COUNT) {
7312 req->modifiers [i].data.count = decode_int (p, &p, end);
7313 } else if (mod == MOD_KIND_LOCATION_ONLY) {
7314 method = decode_methodid (p, &p, end, &domain, &err);
7317 location = decode_long (p, &p, end);
7318 } else if (mod == MOD_KIND_STEP) {
7319 step_thread_id = decode_id (p, &p, end);
7320 size = decode_int (p, &p, end);
7321 depth = decode_int (p, &p, end);
7322 if (CHECK_PROTOCOL_VERSION (2, 16))
7323 filter = decode_int (p, &p, end);
7324 req->modifiers [i].data.filter = filter;
7325 if (!CHECK_PROTOCOL_VERSION (2, 26) && (req->modifiers [i].data.filter & STEP_FILTER_DEBUGGER_HIDDEN))
7326 /* Treat STEP_THOUGH the same as HIDDEN */
7327 req->modifiers [i].data.filter |= STEP_FILTER_DEBUGGER_STEP_THROUGH;
7328 } else if (mod == MOD_KIND_THREAD_ONLY) {
7329 int id = decode_id (p, &p, end);
7331 err = get_object (id, (MonoObject**)&req->modifiers [i].data.thread);
7336 } else if (mod == MOD_KIND_EXCEPTION_ONLY) {
7337 MonoClass *exc_class = decode_typeid (p, &p, end, &domain, &err);
7341 req->modifiers [i].caught = decode_byte (p, &p, end);
7342 req->modifiers [i].uncaught = decode_byte (p, &p, end);
7343 if (CHECK_PROTOCOL_VERSION (2, 25))
7344 req->modifiers [i].subclasses = decode_byte (p, &p, end);
7346 req->modifiers [i].subclasses = TRUE;
7347 DEBUG_PRINTF (1, "[dbg] \tEXCEPTION_ONLY filter (%s%s%s%s).\n", exc_class ? exc_class->name : "all", req->modifiers [i].caught ? ", caught" : "", req->modifiers [i].uncaught ? ", uncaught" : "", req->modifiers [i].subclasses ? ", include-subclasses" : "");
7349 req->modifiers [i].data.exc_class = exc_class;
7351 if (!mono_class_is_assignable_from (mono_defaults.exception_class, exc_class)) {
7353 return ERR_INVALID_ARGUMENT;
7356 } else if (mod == MOD_KIND_ASSEMBLY_ONLY) {
7357 int n = decode_int (p, &p, end);
7360 req->modifiers [i].data.assemblies = g_new0 (MonoAssembly*, n);
7361 for (j = 0; j < n; ++j) {
7362 req->modifiers [i].data.assemblies [j] = decode_assemblyid (p, &p, end, &domain, &err);
7364 g_free (req->modifiers [i].data.assemblies);
7368 } else if (mod == MOD_KIND_SOURCE_FILE_ONLY) {
7369 int n = decode_int (p, &p, end);
7372 modifier = &req->modifiers [i];
7373 modifier->data.source_files = g_hash_table_new (g_str_hash, g_str_equal);
7374 for (j = 0; j < n; ++j) {
7375 char *s = decode_string (p, &p, end);
7379 s2 = strdup_tolower (s);
7380 g_hash_table_insert (modifier->data.source_files, s2, s2);
7384 } else if (mod == MOD_KIND_TYPE_NAME_ONLY) {
7385 int n = decode_int (p, &p, end);
7388 modifier = &req->modifiers [i];
7389 modifier->data.type_names = g_hash_table_new (g_str_hash, g_str_equal);
7390 for (j = 0; j < n; ++j) {
7391 char *s = decode_string (p, &p, end);
7394 g_hash_table_insert (modifier->data.type_names, s, s);
7398 return ERR_NOT_IMPLEMENTED;
7402 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7405 req->info = set_breakpoint (method, location, req, &error);
7406 if (!mono_error_ok (&error)) {
7408 DEBUG_PRINTF (1, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error));
7409 mono_error_cleanup (&error);
7410 return ERR_NO_SEQ_POINT_AT_IL_OFFSET;
7412 } else if (req->event_kind == EVENT_KIND_STEP) {
7413 g_assert (step_thread_id);
7415 err = get_object (step_thread_id, (MonoObject**)&step_thread);
7421 err = ss_create (THREAD_TO_INTERNAL (step_thread), size, depth, filter, req);
7426 } else if (req->event_kind == EVENT_KIND_METHOD_ENTRY) {
7427 req->info = set_breakpoint (NULL, METHOD_ENTRY_IL_OFFSET, req, NULL);
7428 } else if (req->event_kind == EVENT_KIND_METHOD_EXIT) {
7429 req->info = set_breakpoint (NULL, METHOD_EXIT_IL_OFFSET, req, NULL);
7430 } else if (req->event_kind == EVENT_KIND_EXCEPTION) {
7431 } else if (req->event_kind == EVENT_KIND_TYPE_LOAD) {
7433 if (req->nmodifiers) {
7435 return ERR_NOT_IMPLEMENTED;
7439 mono_loader_lock ();
7440 g_ptr_array_add (event_requests, req);
7442 if (agent_config.defer) {
7443 /* Transmit cached data to the client on receipt of the event request */
7444 switch (req->event_kind) {
7445 case EVENT_KIND_APPDOMAIN_CREATE:
7446 /* Emit load events for currently loaded domains */
7447 g_hash_table_foreach (domains, emit_appdomain_load, NULL);
7449 case EVENT_KIND_ASSEMBLY_LOAD:
7450 /* Emit load events for currently loaded assemblies */
7451 mono_assembly_foreach (emit_assembly_load, NULL);
7453 case EVENT_KIND_THREAD_START:
7454 /* Emit start events for currently started threads */
7455 mono_g_hash_table_foreach (tid_to_thread, emit_thread_start, NULL);
7457 case EVENT_KIND_TYPE_LOAD:
7458 /* Emit type load events for currently loaded types */
7459 mono_domain_foreach (send_types_for_domain, NULL);
7465 mono_loader_unlock ();
7467 buffer_add_int (buf, req->id);
7470 case CMD_EVENT_REQUEST_CLEAR: {
7471 int etype = decode_byte (p, &p, end);
7472 int req_id = decode_int (p, &p, end);
7474 // FIXME: Make a faster mapping from req_id to request
7475 mono_loader_lock ();
7476 clear_event_request (req_id, etype);
7477 mono_loader_unlock ();
7480 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS: {
7483 mono_loader_lock ();
7485 while (i < event_requests->len) {
7486 EventRequest *req = g_ptr_array_index (event_requests, i);
7488 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7489 clear_breakpoint (req->info);
7491 g_ptr_array_remove_index_fast (event_requests, i);
7497 mono_loader_unlock ();
7501 return ERR_NOT_IMPLEMENTED;
7508 domain_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7514 case CMD_APPDOMAIN_GET_ROOT_DOMAIN: {
7515 buffer_add_domainid (buf, mono_get_root_domain ());
7518 case CMD_APPDOMAIN_GET_FRIENDLY_NAME: {
7519 domain = decode_domainid (p, &p, end, NULL, &err);
7522 buffer_add_string (buf, domain->friendly_name);
7525 case CMD_APPDOMAIN_GET_ASSEMBLIES: {
7530 domain = decode_domainid (p, &p, end, NULL, &err);
7533 mono_loader_lock ();
7535 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7538 buffer_add_int (buf, count);
7539 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7541 buffer_add_assemblyid (buf, domain, ass);
7543 mono_loader_unlock ();
7546 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY: {
7547 domain = decode_domainid (p, &p, end, NULL, &err);
7551 buffer_add_assemblyid (buf, domain, domain->entry_assembly);
7554 case CMD_APPDOMAIN_GET_CORLIB: {
7555 domain = decode_domainid (p, &p, end, NULL, &err);
7559 buffer_add_assemblyid (buf, domain, domain->domain->mbr.obj.vtable->klass->image->assembly);
7562 case CMD_APPDOMAIN_CREATE_STRING: {
7566 domain = decode_domainid (p, &p, end, NULL, &err);
7569 s = decode_string (p, &p, end);
7571 o = mono_string_new (domain, s);
7572 buffer_add_objid (buf, (MonoObject*)o);
7575 case CMD_APPDOMAIN_CREATE_BOXED_VALUE: {
7577 MonoDomain *domain2;
7580 domain = decode_domainid (p, &p, end, NULL, &err);
7583 klass = decode_typeid (p, &p, end, &domain2, &err);
7588 g_assert (domain == domain2);
7590 o = mono_object_new (domain, klass);
7592 err = decode_value (&klass->byval_arg, domain, mono_object_unbox (o), p, &p, end);
7596 buffer_add_objid (buf, o);
7600 return ERR_NOT_IMPLEMENTED;
7607 assembly_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7613 ass = decode_assemblyid (p, &p, end, &domain, &err);
7618 case CMD_ASSEMBLY_GET_LOCATION: {
7619 buffer_add_string (buf, mono_image_get_filename (ass->image));
7622 case CMD_ASSEMBLY_GET_ENTRY_POINT: {
7626 if (ass->image->dynamic) {
7627 buffer_add_id (buf, 0);
7629 token = mono_image_get_entry_point (ass->image);
7631 buffer_add_id (buf, 0);
7633 m = mono_get_method (ass->image, token, NULL);
7634 buffer_add_methodid (buf, domain, m);
7639 case CMD_ASSEMBLY_GET_MANIFEST_MODULE: {
7640 buffer_add_moduleid (buf, domain, ass->image);
7643 case CMD_ASSEMBLY_GET_OBJECT: {
7644 MonoObject *o = (MonoObject*)mono_assembly_get_object (domain, ass);
7645 buffer_add_objid (buf, o);
7648 case CMD_ASSEMBLY_GET_TYPE: {
7649 char *s = decode_string (p, &p, end);
7650 gboolean ignorecase = decode_byte (p, &p, end);
7651 MonoTypeNameParse info;
7653 gboolean type_resolve, res;
7654 MonoDomain *d = mono_domain_get ();
7656 /* This is needed to be able to find referenced assemblies */
7657 res = mono_domain_set (domain, FALSE);
7660 if (!mono_reflection_parse_type (s, &info)) {
7663 if (info.assembly.name)
7665 t = mono_reflection_get_type (ass->image, &info, ignorecase, &type_resolve);
7667 buffer_add_typeid (buf, domain, t ? mono_class_from_mono_type (t) : NULL);
7668 mono_reflection_free_type_info (&info);
7671 mono_domain_set (d, TRUE);
7675 case CMD_ASSEMBLY_GET_NAME: {
7677 MonoAssembly *mass = ass;
7679 name = g_strdup_printf (
7680 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
7682 mass->aname.major, mass->aname.minor, mass->aname.build, mass->aname.revision,
7683 mass->aname.culture && *mass->aname.culture? mass->aname.culture: "neutral",
7684 mass->aname.public_key_token [0] ? (char *)mass->aname.public_key_token : "null",
7685 (mass->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
7687 buffer_add_string (buf, name);
7692 return ERR_NOT_IMPLEMENTED;
7699 module_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7705 case CMD_MODULE_GET_INFO: {
7706 MonoImage *image = decode_moduleid (p, &p, end, &domain, &err);
7709 basename = g_path_get_basename (image->name);
7710 buffer_add_string (buf, basename); // name
7711 buffer_add_string (buf, image->module_name); // scopename
7712 buffer_add_string (buf, image->name); // fqname
7713 buffer_add_string (buf, mono_image_get_guid (image)); // guid
7714 buffer_add_assemblyid (buf, domain, image->assembly); // assembly
7719 return ERR_NOT_IMPLEMENTED;
7726 field_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7732 case CMD_FIELD_GET_INFO: {
7733 MonoClassField *f = decode_fieldid (p, &p, end, &domain, &err);
7735 buffer_add_string (buf, f->name);
7736 buffer_add_typeid (buf, domain, f->parent);
7737 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7738 buffer_add_int (buf, f->type->attrs);
7742 return ERR_NOT_IMPLEMENTED;
7749 buffer_add_cattr_arg (Buffer *buf, MonoType *t, MonoDomain *domain, MonoObject *val)
7751 if (val && val->vtable->klass == mono_defaults.monotype_class) {
7752 /* Special case these so the client doesn't have to handle Type objects */
7754 buffer_add_byte (buf, VALUE_TYPE_ID_TYPE);
7755 buffer_add_typeid (buf, domain, mono_class_from_mono_type (((MonoReflectionType*)val)->type));
7756 } else if (MONO_TYPE_IS_REFERENCE (t))
7757 buffer_add_value (buf, t, &val, domain);
7759 buffer_add_value (buf, t, mono_object_unbox (val), domain);
7763 buffer_add_cattrs (Buffer *buf, MonoDomain *domain, MonoImage *image, MonoClass *attr_klass, MonoCustomAttrInfo *cinfo)
7769 buffer_add_int (buf, 0);
7773 for (i = 0; i < cinfo->num_attrs; ++i) {
7774 if (!attr_klass || mono_class_has_parent (cinfo->attrs [i].ctor->klass, attr_klass))
7777 buffer_add_int (buf, nattrs);
7779 for (i = 0; i < cinfo->num_attrs; ++i) {
7780 MonoCustomAttrEntry *attr = &cinfo->attrs [i];
7781 if (!attr_klass || mono_class_has_parent (attr->ctor->klass, attr_klass)) {
7782 MonoArray *typed_args, *named_args;
7784 CattrNamedArg *arginfo = NULL;
7787 mono_reflection_create_custom_attr_data_args (image, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
7788 if (!mono_error_ok (&error)) {
7789 DEBUG_PRINTF (2, "[dbg] mono_reflection_create_custom_attr_data_args () failed with: '%s'\n", mono_error_get_message (&error));
7790 mono_error_cleanup (&error);
7791 return ERR_LOADER_ERROR;
7794 buffer_add_methodid (buf, domain, attr->ctor);
7798 buffer_add_int (buf, mono_array_length (typed_args));
7799 for (j = 0; j < mono_array_length (typed_args); ++j) {
7800 MonoObject *val = mono_array_get (typed_args, MonoObject*, j);
7802 t = mono_method_signature (attr->ctor)->params [j];
7804 buffer_add_cattr_arg (buf, t, domain, val);
7807 buffer_add_int (buf, 0);
7812 buffer_add_int (buf, mono_array_length (named_args));
7814 for (j = 0; j < mono_array_length (named_args); ++j) {
7815 MonoObject *val = mono_array_get (named_args, MonoObject*, j);
7817 if (arginfo [j].prop) {
7818 buffer_add_byte (buf, 0x54);
7819 buffer_add_propertyid (buf, domain, arginfo [j].prop);
7820 } else if (arginfo [j].field) {
7821 buffer_add_byte (buf, 0x53);
7822 buffer_add_fieldid (buf, domain, arginfo [j].field);
7824 g_assert_not_reached ();
7827 buffer_add_cattr_arg (buf, arginfo [j].type, domain, val);
7830 buffer_add_int (buf, 0);
7839 /* FIXME: Code duplication with icall.c */
7841 collect_interfaces (MonoClass *klass, GHashTable *ifaces, MonoError *error)
7846 mono_class_setup_interfaces (klass, error);
7847 if (!mono_error_ok (error))
7850 for (i = 0; i < klass->interface_count; i++) {
7851 ic = klass->interfaces [i];
7852 g_hash_table_insert (ifaces, ic, ic);
7854 collect_interfaces (ic, ifaces, error);
7855 if (!mono_error_ok (error))
7861 type_commands_internal (int command, MonoClass *klass, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
7871 case CMD_TYPE_GET_INFO: {
7872 buffer_add_string (buf, klass->name_space);
7873 buffer_add_string (buf, klass->name);
7875 name = mono_type_get_name_full (&klass->byval_arg, MONO_TYPE_NAME_FORMAT_FULL_NAME);
7876 buffer_add_string (buf, name);
7878 buffer_add_assemblyid (buf, domain, klass->image->assembly);
7879 buffer_add_moduleid (buf, domain, klass->image);
7880 buffer_add_typeid (buf, domain, klass->parent);
7881 if (klass->rank || klass->byval_arg.type == MONO_TYPE_PTR)
7882 buffer_add_typeid (buf, domain, klass->element_class);
7884 buffer_add_id (buf, 0);
7885 buffer_add_int (buf, klass->type_token);
7886 buffer_add_byte (buf, klass->rank);
7887 buffer_add_int (buf, klass->flags);
7889 type = &klass->byval_arg;
7890 // FIXME: Can't decide whenever a class represents a byref type
7893 if (type->type == MONO_TYPE_PTR)
7895 if (!type->byref && (((type->type >= MONO_TYPE_BOOLEAN) && (type->type <= MONO_TYPE_R8)) || (type->type == MONO_TYPE_I) || (type->type == MONO_TYPE_U)))
7897 if (type->type == MONO_TYPE_VALUETYPE)
7899 if (klass->enumtype)
7901 if (klass->generic_container)
7903 if (klass->generic_container || klass->generic_class)
7905 buffer_add_byte (buf, b);
7908 while ((nested = mono_class_get_nested_types (klass, &iter)))
7910 buffer_add_int (buf, nnested);
7912 while ((nested = mono_class_get_nested_types (klass, &iter)))
7913 buffer_add_typeid (buf, domain, nested);
7914 if (CHECK_PROTOCOL_VERSION (2, 12)) {
7915 if (klass->generic_container)
7916 buffer_add_typeid (buf, domain, klass);
7917 else if (klass->generic_class)
7918 buffer_add_typeid (buf, domain, klass->generic_class->container_class);
7920 buffer_add_id (buf, 0);
7922 if (CHECK_PROTOCOL_VERSION (2, 15)) {
7925 if (klass->generic_class) {
7926 MonoGenericInst *inst = klass->generic_class->context.class_inst;
7928 count = inst->type_argc;
7929 buffer_add_int (buf, count);
7930 for (i = 0; i < count; i++)
7931 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
7932 } else if (klass->generic_container) {
7933 MonoGenericContainer *container = klass->generic_container;
7936 count = container->type_argc;
7937 buffer_add_int (buf, count);
7938 for (i = 0; i < count; i++) {
7939 pklass = mono_class_from_generic_parameter (mono_generic_container_get_param (container, i), klass->image, FALSE);
7940 buffer_add_typeid (buf, domain, pklass);
7943 buffer_add_int (buf, 0);
7948 case CMD_TYPE_GET_METHODS: {
7951 gpointer iter = NULL;
7954 mono_class_setup_methods (klass);
7956 nmethods = mono_class_num_methods (klass);
7958 buffer_add_int (buf, nmethods);
7960 while ((m = mono_class_get_methods (klass, &iter))) {
7961 buffer_add_methodid (buf, domain, m);
7964 g_assert (i == nmethods);
7967 case CMD_TYPE_GET_FIELDS: {
7970 gpointer iter = NULL;
7973 nfields = mono_class_num_fields (klass);
7975 buffer_add_int (buf, nfields);
7977 while ((f = mono_class_get_fields (klass, &iter))) {
7978 buffer_add_fieldid (buf, domain, f);
7979 buffer_add_string (buf, f->name);
7980 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7981 buffer_add_int (buf, f->type->attrs);
7984 g_assert (i == nfields);
7987 case CMD_TYPE_GET_PROPERTIES: {
7990 gpointer iter = NULL;
7993 nprops = mono_class_num_properties (klass);
7995 buffer_add_int (buf, nprops);
7997 while ((p = mono_class_get_properties (klass, &iter))) {
7998 buffer_add_propertyid (buf, domain, p);
7999 buffer_add_string (buf, p->name);
8000 buffer_add_methodid (buf, domain, p->get);
8001 buffer_add_methodid (buf, domain, p->set);
8002 buffer_add_int (buf, p->attrs);
8005 g_assert (i == nprops);
8008 case CMD_TYPE_GET_CATTRS: {
8009 MonoClass *attr_klass;
8010 MonoCustomAttrInfo *cinfo;
8012 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8013 /* attr_klass can be NULL */
8017 cinfo = mono_custom_attrs_from_class (klass);
8019 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8024 case CMD_TYPE_GET_FIELD_CATTRS: {
8025 MonoClass *attr_klass;
8026 MonoCustomAttrInfo *cinfo;
8027 MonoClassField *field;
8029 field = decode_fieldid (p, &p, end, NULL, &err);
8032 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8036 cinfo = mono_custom_attrs_from_field (klass, field);
8038 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8043 case CMD_TYPE_GET_PROPERTY_CATTRS: {
8044 MonoClass *attr_klass;
8045 MonoCustomAttrInfo *cinfo;
8048 prop = decode_propertyid (p, &p, end, NULL, &err);
8051 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8055 cinfo = mono_custom_attrs_from_property (klass, prop);
8057 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8062 case CMD_TYPE_GET_VALUES:
8063 case CMD_TYPE_GET_VALUES_2: {
8070 MonoThread *thread_obj;
8071 MonoInternalThread *thread = NULL;
8072 guint32 special_static_type;
8074 if (command == CMD_TYPE_GET_VALUES_2) {
8075 int objid = decode_objid (p, &p, end);
8078 err = get_object (objid, (MonoObject**)&thread_obj);
8082 thread = THREAD_TO_INTERNAL (thread_obj);
8085 len = decode_int (p, &p, end);
8086 for (i = 0; i < len; ++i) {
8087 f = decode_fieldid (p, &p, end, NULL, &err);
8091 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8092 return ERR_INVALID_FIELDID;
8093 special_static_type = mono_class_field_get_special_static_type (f);
8094 if (special_static_type != SPECIAL_STATIC_NONE) {
8095 if (!(thread && special_static_type == SPECIAL_STATIC_THREAD))
8096 return ERR_INVALID_FIELDID;
8099 /* Check that the field belongs to the object */
8101 for (k = klass; k; k = k->parent) {
8102 if (k == f->parent) {
8108 return ERR_INVALID_FIELDID;
8110 vtable = mono_class_vtable (domain, f->parent);
8111 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8112 mono_field_static_get_value_for_thread (thread ? thread : mono_thread_internal_current (), vtable, f, val);
8113 buffer_add_value (buf, f->type, val, domain);
8118 case CMD_TYPE_SET_VALUES: {
8126 len = decode_int (p, &p, end);
8127 for (i = 0; i < len; ++i) {
8128 f = decode_fieldid (p, &p, end, NULL, &err);
8132 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8133 return ERR_INVALID_FIELDID;
8134 if (mono_class_field_is_special_static (f))
8135 return ERR_INVALID_FIELDID;
8137 /* Check that the field belongs to the object */
8139 for (k = klass; k; k = k->parent) {
8140 if (k == f->parent) {
8146 return ERR_INVALID_FIELDID;
8148 // FIXME: Check for literal/const
8150 vtable = mono_class_vtable (domain, f->parent);
8151 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8152 err = decode_value (f->type, domain, val, p, &p, end);
8157 if (MONO_TYPE_IS_REFERENCE (f->type))
8158 mono_field_static_set_value (vtable, f, *(gpointer*)val);
8160 mono_field_static_set_value (vtable, f, val);
8165 case CMD_TYPE_GET_OBJECT: {
8166 MonoObject *o = (MonoObject*)mono_type_get_object (domain, &klass->byval_arg);
8167 buffer_add_objid (buf, o);
8170 case CMD_TYPE_GET_SOURCE_FILES:
8171 case CMD_TYPE_GET_SOURCE_FILES_2: {
8172 char *source_file, *base;
8176 files = get_source_files_for_type (klass);
8178 buffer_add_int (buf, files->len);
8179 for (i = 0; i < files->len; ++i) {
8180 source_file = g_ptr_array_index (files, i);
8181 if (command == CMD_TYPE_GET_SOURCE_FILES_2) {
8182 buffer_add_string (buf, source_file);
8184 base = g_path_get_basename (source_file);
8185 buffer_add_string (buf, base);
8188 g_free (source_file);
8190 g_ptr_array_free (files, TRUE);
8193 case CMD_TYPE_IS_ASSIGNABLE_FROM: {
8194 MonoClass *oklass = decode_typeid (p, &p, end, NULL, &err);
8198 if (mono_class_is_assignable_from (klass, oklass))
8199 buffer_add_byte (buf, 1);
8201 buffer_add_byte (buf, 0);
8204 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS: {
8205 char *name = decode_string (p, &p, end);
8206 int i, flags = decode_int (p, &p, end);
8207 MonoException *ex = NULL;
8208 GPtrArray *array = mono_class_get_methods_by_name (klass, name, flags & ~BINDING_FLAGS_IGNORE_CASE, (flags & BINDING_FLAGS_IGNORE_CASE) != 0, TRUE, &ex);
8211 return ERR_LOADER_ERROR;
8212 buffer_add_int (buf, array->len);
8213 for (i = 0; i < array->len; ++i) {
8214 MonoMethod *method = g_ptr_array_index (array, i);
8215 buffer_add_methodid (buf, domain, method);
8218 g_ptr_array_free (array, TRUE);
8222 case CMD_TYPE_GET_INTERFACES: {
8224 GHashTable *iface_hash = g_hash_table_new (NULL, NULL);
8226 MonoClass *tclass, *iface;
8227 GHashTableIter iter;
8231 for (parent = tclass; parent; parent = parent->parent) {
8232 mono_class_setup_interfaces (parent, &error);
8233 if (!mono_error_ok (&error))
8234 return ERR_LOADER_ERROR;
8235 collect_interfaces (parent, iface_hash, &error);
8236 if (!mono_error_ok (&error))
8237 return ERR_LOADER_ERROR;
8240 buffer_add_int (buf, g_hash_table_size (iface_hash));
8242 g_hash_table_iter_init (&iter, iface_hash);
8243 while (g_hash_table_iter_next (&iter, NULL, (void**)&iface))
8244 buffer_add_typeid (buf, domain, iface);
8245 g_hash_table_destroy (iface_hash);
8248 case CMD_TYPE_GET_INTERFACE_MAP: {
8249 int tindex, ioffset;
8250 gboolean variance_used;
8252 int len, nmethods, i;
8256 len = decode_int (p, &p, end);
8257 mono_class_setup_vtable (klass);
8259 for (tindex = 0; tindex < len; ++tindex) {
8260 iclass = decode_typeid (p, &p, end, NULL, &err);
8264 ioffset = mono_class_interface_offset_with_variance (klass, iclass, &variance_used);
8266 return ERR_INVALID_ARGUMENT;
8268 nmethods = mono_class_num_methods (iclass);
8269 buffer_add_int (buf, nmethods);
8272 while ((method = mono_class_get_methods (iclass, &iter))) {
8273 buffer_add_methodid (buf, domain, method);
8275 for (i = 0; i < nmethods; ++i)
8276 buffer_add_methodid (buf, domain, klass->vtable [i + ioffset]);
8280 case CMD_TYPE_IS_INITIALIZED: {
8281 MonoVTable *vtable = mono_class_vtable (domain, klass);
8284 buffer_add_int (buf, (vtable->initialized || vtable->init_failed) ? 1 : 0);
8286 buffer_add_int (buf, 0);
8289 case CMD_TYPE_CREATE_INSTANCE: {
8292 obj = mono_object_new (domain, klass);
8293 buffer_add_objid (buf, obj);
8297 return ERR_NOT_IMPLEMENTED;
8304 type_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8307 MonoDomain *old_domain;
8311 klass = decode_typeid (p, &p, end, &domain, &err);
8315 old_domain = mono_domain_get ();
8317 mono_domain_set (domain, TRUE);
8319 err = type_commands_internal (command, klass, domain, p, end, buf);
8321 mono_domain_set (old_domain, TRUE);
8327 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8329 MonoMethodHeader *header;
8333 case CMD_METHOD_GET_NAME: {
8334 buffer_add_string (buf, method->name);
8337 case CMD_METHOD_GET_DECLARING_TYPE: {
8338 buffer_add_typeid (buf, domain, method->klass);
8341 case CMD_METHOD_GET_DEBUG_INFO: {
8342 MonoDebugMethodInfo *minfo;
8344 int i, j, n_il_offsets;
8347 int *column_numbers;
8348 int *end_line_numbers;
8349 int *end_column_numbers;
8351 GPtrArray *source_file_list;
8353 header = mono_method_get_header (method);
8355 buffer_add_int (buf, 0);
8356 buffer_add_string (buf, "");
8357 buffer_add_int (buf, 0);
8361 minfo = mono_debug_lookup_method (method);
8363 buffer_add_int (buf, header->code_size);
8364 buffer_add_string (buf, "");
8365 buffer_add_int (buf, 0);
8366 mono_metadata_free_mh (header);
8370 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, &n_il_offsets, &il_offsets, &line_numbers, &column_numbers, &source_files, &end_line_numbers, &end_column_numbers);
8371 buffer_add_int (buf, header->code_size);
8372 if (CHECK_PROTOCOL_VERSION (2, 13)) {
8373 buffer_add_int (buf, source_file_list->len);
8374 for (i = 0; i < source_file_list->len; ++i) {
8375 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, i);
8376 buffer_add_string (buf, sinfo->source_file);
8377 if (CHECK_PROTOCOL_VERSION (2, 14)) {
8378 for (j = 0; j < 16; ++j)
8379 buffer_add_byte (buf, sinfo->hash [j]);
8383 buffer_add_string (buf, source_file);
8385 buffer_add_int (buf, n_il_offsets);
8386 DEBUG_PRINTF (10, "Line number table for method %s:\n", mono_method_full_name (method, TRUE));
8387 for (i = 0; i < n_il_offsets; ++i) {
8388 const char *srcfile = "";
8390 if (source_files [i] != -1) {
8391 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, source_files [i]);
8392 srcfile = sinfo->source_file;
8394 DEBUG_PRINTF (10, "IL%x -> %s:%d %d %d %d\n", il_offsets [i], srcfile, line_numbers [i], column_numbers ? column_numbers [i] : -1, end_line_numbers ? end_line_numbers [i] : -1, end_column_numbers ? end_column_numbers [i] : -1);
8395 buffer_add_int (buf, il_offsets [i]);
8396 buffer_add_int (buf, line_numbers [i]);
8397 if (CHECK_PROTOCOL_VERSION (2, 13))
8398 buffer_add_int (buf, source_files [i]);
8399 if (CHECK_PROTOCOL_VERSION (2, 19))
8400 buffer_add_int (buf, column_numbers ? column_numbers [i] : -1);
8401 if (CHECK_PROTOCOL_VERSION (2, 32)) {
8402 buffer_add_int (buf, end_line_numbers ? end_line_numbers [i] : -1);
8403 buffer_add_int (buf, end_column_numbers ? end_column_numbers [i] : -1);
8406 g_free (source_file);
8407 g_free (il_offsets);
8408 g_free (line_numbers);
8409 g_free (column_numbers);
8410 g_free (end_line_numbers);
8411 g_free (end_column_numbers);
8412 g_free (source_files);
8413 g_ptr_array_free (source_file_list, TRUE);
8414 mono_metadata_free_mh (header);
8417 case CMD_METHOD_GET_PARAM_INFO: {
8418 MonoMethodSignature *sig = mono_method_signature (method);
8422 /* FIXME: mono_class_from_mono_type () and byrefs */
8424 /* FIXME: Use a smaller encoding */
8425 buffer_add_int (buf, sig->call_convention);
8426 buffer_add_int (buf, sig->param_count);
8427 buffer_add_int (buf, sig->generic_param_count);
8428 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->ret));
8429 for (i = 0; i < sig->param_count; ++i) {
8431 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->params [i]));
8434 /* Emit parameter names */
8435 names = g_new (char *, sig->param_count);
8436 mono_method_get_param_names (method, (const char **) names);
8437 for (i = 0; i < sig->param_count; ++i)
8438 buffer_add_string (buf, names [i]);
8443 case CMD_METHOD_GET_LOCALS_INFO: {
8444 int i, j, num_locals;
8445 MonoDebugLocalsInfo *locals;
8447 header = mono_method_get_header (method);
8449 return ERR_INVALID_ARGUMENT;
8451 buffer_add_int (buf, header->num_locals);
8454 for (i = 0; i < header->num_locals; ++i)
8455 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [i]));
8458 locals = mono_debug_lookup_locals (method);
8460 num_locals = locals->num_locals;
8463 for (i = 0; i < header->num_locals; ++i) {
8464 for (j = 0; j < num_locals; ++j)
8465 if (locals->locals [j].index == i)
8468 buffer_add_string (buf, locals->locals [j].name);
8470 buffer_add_string (buf, "");
8474 for (i = 0; i < header->num_locals; ++i) {
8475 for (j = 0; j < num_locals; ++j)
8476 if (locals->locals [j].index == i)
8478 if (j < num_locals && locals->locals [j].block) {
8479 buffer_add_int (buf, locals->locals [j].block->start_offset);
8480 buffer_add_int (buf, locals->locals [j].block->end_offset);
8482 buffer_add_int (buf, 0);
8483 buffer_add_int (buf, header->code_size);
8486 mono_metadata_free_mh (header);
8489 mono_debug_symfile_free_locals (locals);
8493 case CMD_METHOD_GET_INFO:
8494 buffer_add_int (buf, method->flags);
8495 buffer_add_int (buf, method->iflags);
8496 buffer_add_int (buf, method->token);
8497 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8499 if (method->is_generic)
8501 if (mono_method_signature (method)->generic_param_count)
8503 buffer_add_byte (buf, attrs);
8504 if (method->is_generic || method->is_inflated) {
8507 if (method->is_generic) {
8510 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
8512 result = imethod->declaring;
8513 if (imethod->context.class_inst) {
8514 MonoClass *klass = ((MonoMethod *) imethod)->klass;
8515 /*Generic methods gets the context of the GTD.*/
8516 if (mono_class_get_context (klass)) {
8518 result = mono_class_inflate_generic_method_full_checked (result, klass, mono_class_get_context (klass), &error);
8519 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8524 buffer_add_methodid (buf, domain, result);
8526 buffer_add_id (buf, 0);
8528 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8529 if (mono_method_signature (method)->generic_param_count) {
8532 if (method->is_inflated) {
8533 MonoGenericInst *inst = mono_method_get_context (method)->method_inst;
8535 count = inst->type_argc;
8536 buffer_add_int (buf, count);
8538 for (i = 0; i < count; i++)
8539 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8541 buffer_add_int (buf, 0);
8543 } else if (method->is_generic) {
8544 MonoGenericContainer *container = mono_method_get_generic_container (method);
8546 count = mono_method_signature (method)->generic_param_count;
8547 buffer_add_int (buf, count);
8548 for (i = 0; i < count; i++) {
8549 MonoGenericParam *param = mono_generic_container_get_param (container, i);
8550 MonoClass *pklass = mono_class_from_generic_parameter (param, method->klass->image, TRUE);
8551 buffer_add_typeid (buf, domain, pklass);
8554 buffer_add_int (buf, 0);
8557 buffer_add_int (buf, 0);
8562 case CMD_METHOD_GET_BODY: {
8565 header = mono_method_get_header (method);
8567 buffer_add_int (buf, 0);
8569 if (CHECK_PROTOCOL_VERSION (2, 18))
8570 buffer_add_int (buf, 0);
8572 buffer_add_int (buf, header->code_size);
8573 for (i = 0; i < header->code_size; ++i)
8574 buffer_add_byte (buf, header->code [i]);
8576 if (CHECK_PROTOCOL_VERSION (2, 18)) {
8577 buffer_add_int (buf, header->num_clauses);
8578 for (i = 0; i < header->num_clauses; ++i) {
8579 MonoExceptionClause *clause = &header->clauses [i];
8581 buffer_add_int (buf, clause->flags);
8582 buffer_add_int (buf, clause->try_offset);
8583 buffer_add_int (buf, clause->try_len);
8584 buffer_add_int (buf, clause->handler_offset);
8585 buffer_add_int (buf, clause->handler_len);
8586 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
8587 buffer_add_typeid (buf, domain, clause->data.catch_class);
8588 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
8589 buffer_add_int (buf, clause->data.filter_offset);
8593 mono_metadata_free_mh (header);
8598 case CMD_METHOD_RESOLVE_TOKEN: {
8599 guint32 token = decode_int (p, &p, end);
8602 switch (mono_metadata_token_code (token)) {
8603 case MONO_TOKEN_STRING: {
8607 s = mono_ldstr (domain, method->klass->image, mono_metadata_token_index (token));
8610 s2 = mono_string_to_utf8 (s);
8612 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8613 buffer_add_string (buf, s2);
8619 MonoClass *handle_class;
8621 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
8622 val = mono_method_get_wrapper_data (method, token);
8623 handle_class = mono_method_get_wrapper_data (method, token + 1);
8625 if (handle_class == NULL) {
8626 // Can't figure out the token type
8627 buffer_add_byte (buf, TOKEN_TYPE_UNKNOWN);
8632 val = mono_ldtoken_checked (method->klass->image, token, &handle_class, NULL, &error);
8634 g_error ("Could not load token due to %s", mono_error_get_message (&error));
8637 if (handle_class == mono_defaults.typehandle_class) {
8638 buffer_add_byte (buf, TOKEN_TYPE_TYPE);
8639 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
8640 buffer_add_typeid (buf, domain, (MonoClass *) val);
8642 buffer_add_typeid (buf, domain, mono_class_from_mono_type ((MonoType*)val));
8643 } else if (handle_class == mono_defaults.fieldhandle_class) {
8644 buffer_add_byte (buf, TOKEN_TYPE_FIELD);
8645 buffer_add_fieldid (buf, domain, val);
8646 } else if (handle_class == mono_defaults.methodhandle_class) {
8647 buffer_add_byte (buf, TOKEN_TYPE_METHOD);
8648 buffer_add_methodid (buf, domain, val);
8649 } else if (handle_class == mono_defaults.string_class) {
8652 s = mono_string_to_utf8 (val);
8653 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8654 buffer_add_string (buf, s);
8657 g_assert_not_reached ();
8664 case CMD_METHOD_GET_CATTRS: {
8665 MonoClass *attr_klass;
8666 MonoCustomAttrInfo *cinfo;
8668 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8669 /* attr_klass can be NULL */
8673 cinfo = mono_custom_attrs_from_method (method);
8675 err = buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
8680 case CMD_METHOD_MAKE_GENERIC_METHOD: {
8682 MonoType **type_argv;
8686 MonoGenericInst *ginst;
8687 MonoGenericContext tmp_context;
8688 MonoMethod *inflated;
8690 type_argc = decode_int (p, &p, end);
8691 type_argv = g_new0 (MonoType*, type_argc);
8692 for (i = 0; i < type_argc; ++i) {
8693 klass = decode_typeid (p, &p, end, &d, &err);
8700 return ERR_INVALID_ARGUMENT;
8702 type_argv [i] = &klass->byval_arg;
8704 ginst = mono_metadata_get_generic_inst (type_argc, type_argv);
8706 tmp_context.class_inst = method->klass->generic_class ? method->klass->generic_class->context.class_inst : NULL;
8707 tmp_context.method_inst = ginst;
8709 inflated = mono_class_inflate_generic_method_checked (method, &tmp_context, &error);
8710 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8711 if (!mono_verifier_is_method_valid_generic_instantiation (inflated))
8712 return ERR_INVALID_ARGUMENT;
8713 buffer_add_methodid (buf, domain, inflated);
8717 return ERR_NOT_IMPLEMENTED;
8724 method_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8727 MonoDomain *old_domain;
8731 method = decode_methodid (p, &p, end, &domain, &err);
8735 old_domain = mono_domain_get ();
8737 mono_domain_set (domain, TRUE);
8739 err = method_commands_internal (command, method, domain, p, end, buf);
8741 mono_domain_set (old_domain, TRUE);
8747 thread_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8749 int objid = decode_objid (p, &p, end);
8751 MonoThread *thread_obj;
8752 MonoInternalThread *thread;
8754 err = get_object (objid, (MonoObject**)&thread_obj);
8758 thread = THREAD_TO_INTERNAL (thread_obj);
8761 case CMD_THREAD_GET_NAME: {
8763 gunichar2 *s = mono_thread_get_name (thread, &name_len);
8766 buffer_add_int (buf, 0);
8771 name = g_utf16_to_utf8 (s, name_len, NULL, &len, NULL);
8773 buffer_add_int (buf, len);
8774 buffer_add_data (buf, (guint8*)name, len);
8779 case CMD_THREAD_GET_FRAME_INFO: {
8780 DebuggerTlsData *tls;
8781 int i, start_frame, length;
8783 // Wait for suspending if it already started
8784 // FIXME: Races with suspend_count
8785 while (!is_suspended ()) {
8787 wait_for_suspend ();
8791 wait_for_suspend ();
8792 if (!is_suspended ())
8793 return ERR_NOT_SUSPENDED;
8796 start_frame = decode_int (p, &p, end);
8797 length = decode_int (p, &p, end);
8799 if (start_frame != 0 || length != -1)
8800 return ERR_NOT_IMPLEMENTED;
8802 mono_loader_lock ();
8803 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8804 mono_loader_unlock ();
8807 compute_frame_info (thread, tls);
8809 buffer_add_int (buf, tls->frame_count);
8810 for (i = 0; i < tls->frame_count; ++i) {
8811 buffer_add_int (buf, tls->frames [i]->id);
8812 buffer_add_methodid (buf, tls->frames [i]->domain, tls->frames [i]->actual_method);
8813 buffer_add_int (buf, tls->frames [i]->il_offset);
8815 * Instead of passing the frame type directly to the client, we associate
8816 * it with the previous frame using a set of flags. This avoids lots of
8817 * conditional code in the client, since a frame whose type isn't
8818 * FRAME_TYPE_MANAGED has no method, location, etc.
8820 buffer_add_byte (buf, tls->frames [i]->flags);
8825 case CMD_THREAD_GET_STATE:
8826 buffer_add_int (buf, thread->state);
8828 case CMD_THREAD_GET_INFO:
8829 buffer_add_byte (buf, thread->threadpool_thread);
8831 case CMD_THREAD_GET_ID:
8832 buffer_add_long (buf, (guint64)(gsize)thread);
8834 case CMD_THREAD_GET_TID:
8835 buffer_add_long (buf, (guint64)thread->tid);
8837 case CMD_THREAD_SET_IP: {
8838 DebuggerTlsData *tls;
8841 MonoSeqPointInfo *seq_points;
8846 method = decode_methodid (p, &p, end, &domain, &err);
8849 il_offset = decode_long (p, &p, end);
8851 while (!is_suspended ()) {
8853 wait_for_suspend ();
8856 mono_loader_lock ();
8857 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8858 mono_loader_unlock ();
8861 compute_frame_info (thread, tls);
8862 if (tls->frame_count == 0 || tls->frames [0]->actual_method != method)
8863 return ERR_INVALID_ARGUMENT;
8865 found_sp = find_seq_point (domain, method, il_offset, &seq_points, &sp);
8867 g_assert (seq_points);
8870 return ERR_INVALID_ARGUMENT;
8872 // FIXME: Check that the ip change is safe
8874 DEBUG_PRINTF (1, "[dbg] Setting IP to %s:0x%0x(0x%0x)\n", tls->frames [0]->actual_method->name, (int)sp.il_offset, (int)sp.native_offset);
8875 MONO_CONTEXT_SET_IP (&tls->restore_state.ctx, (guint8*)tls->frames [0]->ji->code_start + sp.native_offset);
8879 return ERR_NOT_IMPLEMENTED;
8886 frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8890 MonoThread *thread_obj;
8891 MonoInternalThread *thread;
8892 int pos, i, len, frame_idx;
8893 DebuggerTlsData *tls;
8895 MonoDebugMethodJitInfo *jit;
8896 MonoDebugVarInfo *var;
8897 MonoMethodSignature *sig;
8899 MonoMethodHeader *header;
8901 objid = decode_objid (p, &p, end);
8902 err = get_object (objid, (MonoObject**)&thread_obj);
8906 thread = THREAD_TO_INTERNAL (thread_obj);
8908 id = decode_id (p, &p, end);
8910 mono_loader_lock ();
8911 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8912 mono_loader_unlock ();
8915 for (i = 0; i < tls->frame_count; ++i) {
8916 if (tls->frames [i]->id == id)
8919 if (i == tls->frame_count)
8920 return ERR_INVALID_FRAMEID;
8923 frame = tls->frames [frame_idx];
8925 /* This is supported for frames without has_ctx etc. set */
8926 if (command == CMD_STACK_FRAME_GET_DOMAIN) {
8927 if (CHECK_PROTOCOL_VERSION (2, 38))
8928 buffer_add_domainid (buf, frame->domain);
8932 if (!frame->has_ctx)
8933 return ERR_ABSENT_INFORMATION;
8936 frame->jit = mono_debug_find_method (frame->api_method, frame->domain);
8937 if (!frame->jit && frame->api_method->is_inflated)
8938 frame->jit = mono_debug_find_method (mono_method_get_declaring_generic_method (frame->api_method), frame->domain);
8942 /* This could happen for aot images with no jit debug info */
8943 s = mono_method_full_name (frame->api_method, TRUE);
8944 DEBUG_PRINTF (1, "[dbg] No debug information found for '%s'.\n", s);
8946 return ERR_ABSENT_INFORMATION;
8951 sig = mono_method_signature (frame->actual_method);
8953 if (!get_seq_points (frame->domain, frame->actual_method))
8955 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
8957 return ERR_ABSENT_INFORMATION;
8960 case CMD_STACK_FRAME_GET_VALUES: {
8961 len = decode_int (p, &p, end);
8962 header = mono_method_get_header (frame->actual_method);
8964 for (i = 0; i < len; ++i) {
8965 pos = decode_int (p, &p, end);
8970 g_assert (pos >= 0 && pos < jit->num_params);
8972 var = &jit->params [pos];
8974 add_var (buf, jit, sig->params [pos], &jit->params [pos], &frame->ctx, frame->domain, FALSE);
8976 g_assert (pos >= 0 && pos < jit->num_locals);
8978 var = &jit->locals [pos];
8980 add_var (buf, jit, header->locals [pos], &jit->locals [pos], &frame->ctx, frame->domain, FALSE);
8983 mono_metadata_free_mh (header);
8986 case CMD_STACK_FRAME_GET_THIS: {
8987 if (frame->api_method->klass->valuetype) {
8988 if (!sig->hasthis) {
8989 MonoObject *p = NULL;
8990 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &p, frame->domain);
8992 add_var (buf, jit, &frame->actual_method->klass->this_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
8995 if (!sig->hasthis) {
8996 MonoObject *p = NULL;
8997 buffer_add_value (buf, &frame->actual_method->klass->byval_arg, &p, frame->domain);
8999 add_var (buf, jit, &frame->api_method->klass->byval_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9004 case CMD_STACK_FRAME_SET_VALUES: {
9007 MonoDebugVarInfo *var;
9009 len = decode_int (p, &p, end);
9010 header = mono_method_get_header (frame->actual_method);
9012 for (i = 0; i < len; ++i) {
9013 pos = decode_int (p, &p, end);
9018 g_assert (pos >= 0 && pos < jit->num_params);
9020 t = sig->params [pos];
9021 var = &jit->params [pos];
9023 g_assert (pos >= 0 && pos < jit->num_locals);
9025 t = header->locals [pos];
9026 var = &jit->locals [pos];
9029 if (MONO_TYPE_IS_REFERENCE (t))
9030 val_buf = g_alloca (sizeof (MonoObject*));
9032 val_buf = g_alloca (mono_class_instance_size (mono_class_from_mono_type (t)));
9033 err = decode_value (t, frame->domain, val_buf, p, &p, end);
9037 set_var (t, var, &frame->ctx, frame->domain, val_buf, frame->reg_locations, &tls->restore_state.ctx);
9039 mono_metadata_free_mh (header);
9042 case CMD_STACK_FRAME_GET_DOMAIN: {
9043 if (CHECK_PROTOCOL_VERSION (2, 38))
9044 buffer_add_domainid (buf, frame->domain);
9048 return ERR_NOT_IMPLEMENTED;
9055 array_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9058 int objid, err, index, len, i, esize;
9061 objid = decode_objid (p, &p, end);
9062 err = get_object (objid, (MonoObject**)&arr);
9067 case CMD_ARRAY_REF_GET_LENGTH:
9068 buffer_add_int (buf, arr->obj.vtable->klass->rank);
9070 buffer_add_int (buf, arr->max_length);
9071 buffer_add_int (buf, 0);
9073 for (i = 0; i < arr->obj.vtable->klass->rank; ++i) {
9074 buffer_add_int (buf, arr->bounds [i].length);
9075 buffer_add_int (buf, arr->bounds [i].lower_bound);
9079 case CMD_ARRAY_REF_GET_VALUES:
9080 index = decode_int (p, &p, end);
9081 len = decode_int (p, &p, end);
9083 g_assert (index >= 0 && len >= 0);
9084 // Reordered to avoid integer overflow
9085 g_assert (!(index > arr->max_length - len));
9087 esize = mono_array_element_size (arr->obj.vtable->klass);
9088 for (i = index; i < index + len; ++i) {
9089 elem = (gpointer*)((char*)arr->vector + (i * esize));
9090 buffer_add_value (buf, &arr->obj.vtable->klass->element_class->byval_arg, elem, arr->obj.vtable->domain);
9093 case CMD_ARRAY_REF_SET_VALUES:
9094 index = decode_int (p, &p, end);
9095 len = decode_int (p, &p, end);
9097 g_assert (index >= 0 && len >= 0);
9098 // Reordered to avoid integer overflow
9099 g_assert (!(index > arr->max_length - len));
9101 esize = mono_array_element_size (arr->obj.vtable->klass);
9102 for (i = index; i < index + len; ++i) {
9103 elem = (gpointer*)((char*)arr->vector + (i * esize));
9105 decode_value (&arr->obj.vtable->klass->element_class->byval_arg, arr->obj.vtable->domain, elem, p, &p, end);
9109 return ERR_NOT_IMPLEMENTED;
9116 string_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9121 int i, index, length;
9124 objid = decode_objid (p, &p, end);
9125 err = get_object (objid, (MonoObject**)&str);
9130 case CMD_STRING_REF_GET_VALUE:
9131 s = mono_string_to_utf8 (str);
9132 buffer_add_string (buf, s);
9135 case CMD_STRING_REF_GET_LENGTH:
9136 buffer_add_long (buf, mono_string_length (str));
9138 case CMD_STRING_REF_GET_CHARS:
9139 index = decode_long (p, &p, end);
9140 length = decode_long (p, &p, end);
9141 if (index > mono_string_length (str) - length)
9142 return ERR_INVALID_ARGUMENT;
9143 c = mono_string_chars (str) + index;
9144 for (i = 0; i < length; ++i)
9145 buffer_add_short (buf, c [i]);
9148 return ERR_NOT_IMPLEMENTED;
9155 object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9164 if (command == CMD_OBJECT_REF_IS_COLLECTED) {
9165 objid = decode_objid (p, &p, end);
9166 err = get_object (objid, &obj);
9168 buffer_add_int (buf, 1);
9170 buffer_add_int (buf, 0);
9174 objid = decode_objid (p, &p, end);
9175 err = get_object (objid, &obj);
9180 case CMD_OBJECT_REF_GET_TYPE:
9181 /* This handles transparent proxies too */
9182 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9184 case CMD_OBJECT_REF_GET_VALUES:
9185 len = decode_int (p, &p, end);
9187 for (i = 0; i < len; ++i) {
9188 MonoClassField *f = decode_fieldid (p, &p, end, NULL, &err);
9192 /* Check that the field belongs to the object */
9194 for (k = obj->vtable->klass; k; k = k->parent) {
9195 if (k == f->parent) {
9201 return ERR_INVALID_FIELDID;
9203 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9207 if (mono_class_field_is_special_static (f))
9208 return ERR_INVALID_FIELDID;
9210 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9211 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9212 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9213 mono_field_static_get_value (vtable, f, val);
9214 buffer_add_value (buf, f->type, val, obj->vtable->domain);
9217 buffer_add_value (buf, f->type, (guint8*)obj + f->offset, obj->vtable->domain);
9221 case CMD_OBJECT_REF_SET_VALUES:
9222 len = decode_int (p, &p, end);
9224 for (i = 0; i < len; ++i) {
9225 f = decode_fieldid (p, &p, end, NULL, &err);
9229 /* Check that the field belongs to the object */
9231 for (k = obj->vtable->klass; k; k = k->parent) {
9232 if (k == f->parent) {
9238 return ERR_INVALID_FIELDID;
9240 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9244 if (mono_class_field_is_special_static (f))
9245 return ERR_INVALID_FIELDID;
9247 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9248 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9250 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9251 err = decode_value (f->type, obj->vtable->domain, val, p, &p, end);
9256 mono_field_static_set_value (vtable, f, val);
9259 err = decode_value (f->type, obj->vtable->domain, (guint8*)obj + f->offset, p, &p, end);
9265 case CMD_OBJECT_REF_GET_ADDRESS:
9266 buffer_add_long (buf, (gssize)obj);
9268 case CMD_OBJECT_REF_GET_DOMAIN:
9269 buffer_add_domainid (buf, obj->vtable->domain);
9271 case CMD_OBJECT_REF_GET_INFO:
9272 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9273 buffer_add_domainid (buf, obj->vtable->domain);
9276 return ERR_NOT_IMPLEMENTED;
9283 command_set_to_string (CommandSet command_set)
9285 switch (command_set) {
9288 case CMD_SET_OBJECT_REF:
9289 return "OBJECT_REF";
9290 case CMD_SET_STRING_REF:
9291 return "STRING_REF";
9292 case CMD_SET_THREAD:
9294 case CMD_SET_ARRAY_REF:
9296 case CMD_SET_EVENT_REQUEST:
9297 return "EVENT_REQUEST";
9298 case CMD_SET_STACK_FRAME:
9299 return "STACK_FRAME";
9300 case CMD_SET_APPDOMAIN:
9302 case CMD_SET_ASSEMBLY:
9304 case CMD_SET_METHOD:
9308 case CMD_SET_MODULE:
9319 static const char* vm_cmds_str [] = {
9327 "SET_PROTOCOL_VERSION",
9330 "GET_TYPES_FOR_SOURCE_FILE",
9335 static const char* thread_cmds_str[] = {
9345 static const char* event_cmds_str[] = {
9348 "REQUEST_CLEAR_ALL_BREAKPOINTS"
9351 static const char* appdomain_cmds_str[] = {
9353 "GET_FRIENDLY_NAME",
9355 "GET_ENTRY_ASSEMBLY",
9358 "CREATE_BOXED_VALUE"
9361 static const char* assembly_cmds_str[] = {
9364 "GET_MANIFEST_MODULE",
9370 static const char* module_cmds_str[] = {
9374 static const char* field_cmds_str[] = {
9378 static const char* method_cmds_str[] = {
9380 "GET_DECLARING_TYPE",
9388 "MAKE_GENERIC_METHOD"
9391 static const char* type_cmds_str[] = {
9399 "IS_ASSIGNABLE_FROM",
9403 "GET_PROPERTY_CATTRS",
9404 "GET_SOURCE_FILES_2",
9406 "GET_METHODS_BY_NAME_FLAGS",
9408 "GET_INTERFACE_MAP",
9412 static const char* stack_frame_cmds_str[] = {
9419 static const char* array_cmds_str[] = {
9425 static const char* string_cmds_str[] = {
9431 static const char* object_cmds_str[] = {
9442 cmd_to_string (CommandSet set, int command)
9450 cmds_len = G_N_ELEMENTS (vm_cmds_str);
9452 case CMD_SET_OBJECT_REF:
9453 cmds = object_cmds_str;
9454 cmds_len = G_N_ELEMENTS (object_cmds_str);
9456 case CMD_SET_STRING_REF:
9457 cmds = string_cmds_str;
9458 cmds_len = G_N_ELEMENTS (string_cmds_str);
9460 case CMD_SET_THREAD:
9461 cmds = thread_cmds_str;
9462 cmds_len = G_N_ELEMENTS (thread_cmds_str);
9464 case CMD_SET_ARRAY_REF:
9465 cmds = array_cmds_str;
9466 cmds_len = G_N_ELEMENTS (array_cmds_str);
9468 case CMD_SET_EVENT_REQUEST:
9469 cmds = event_cmds_str;
9470 cmds_len = G_N_ELEMENTS (event_cmds_str);
9472 case CMD_SET_STACK_FRAME:
9473 cmds = stack_frame_cmds_str;
9474 cmds_len = G_N_ELEMENTS (stack_frame_cmds_str);
9476 case CMD_SET_APPDOMAIN:
9477 cmds = appdomain_cmds_str;
9478 cmds_len = G_N_ELEMENTS (appdomain_cmds_str);
9480 case CMD_SET_ASSEMBLY:
9481 cmds = assembly_cmds_str;
9482 cmds_len = G_N_ELEMENTS (assembly_cmds_str);
9484 case CMD_SET_METHOD:
9485 cmds = method_cmds_str;
9486 cmds_len = G_N_ELEMENTS (method_cmds_str);
9489 cmds = type_cmds_str;
9490 cmds_len = G_N_ELEMENTS (type_cmds_str);
9492 case CMD_SET_MODULE:
9493 cmds = module_cmds_str;
9494 cmds_len = G_N_ELEMENTS (module_cmds_str);
9497 cmds = field_cmds_str;
9498 cmds_len = G_N_ELEMENTS (field_cmds_str);
9501 cmds = event_cmds_str;
9502 cmds_len = G_N_ELEMENTS (event_cmds_str);
9507 if (command > 0 && command <= cmds_len)
9508 return cmds [command - 1];
9514 wait_for_attach (void)
9516 #ifndef DISABLE_SOCKET_TRANSPORT
9517 if (listen_fd == -1) {
9518 DEBUG_PRINTF (1, "[dbg] Invalid listening socket\n");
9522 /* Block and wait for client connection */
9523 conn_fd = socket_transport_accept (listen_fd);
9524 DEBUG_PRINTF (1, "Accepted connection on %d\n", conn_fd);
9525 if (conn_fd == -1) {
9526 DEBUG_PRINTF (1, "[dbg] Bad client connection\n");
9530 g_assert_not_reached ();
9534 disconnected = !transport_handshake ();
9536 DEBUG_PRINTF (1, "Transport handshake failed!\n");
9546 * This thread handles communication with the debugger client using a JDWP
9549 static guint32 WINAPI
9550 debugger_thread (void *arg)
9552 int res, len, id, flags, command_set = 0, command = 0;
9553 guint8 header [HEADER_LENGTH];
9554 guint8 *data, *p, *end;
9558 gboolean attach_failed = FALSE;
9560 DEBUG_PRINTF (1, "[dbg] Agent thread started, pid=%p\n", (gpointer)GetCurrentThreadId ());
9562 debugger_thread_id = GetCurrentThreadId ();
9564 mono_jit_thread_attach (mono_get_root_domain ());
9566 mono_thread_internal_current ()->flags |= MONO_THREAD_FLAG_DONT_MANAGE;
9568 mono_set_is_debugger_attached (TRUE);
9570 if (agent_config.defer) {
9571 if (!wait_for_attach ()) {
9572 DEBUG_PRINTF (1, "[dbg] Can't attach, aborting debugger thread.\n");
9573 attach_failed = TRUE; // Don't abort process when we can't listen
9575 /* Send start event to client */
9576 process_profiler_event (EVENT_KIND_VM_START, mono_thread_get_main ());
9580 while (!attach_failed) {
9581 res = transport_recv (header, HEADER_LENGTH);
9583 /* This will break if the socket is closed during shutdown too */
9584 if (res != HEADER_LENGTH) {
9585 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, HEADER_LENGTH);
9590 end = header + HEADER_LENGTH;
9592 len = decode_int (p, &p, end);
9593 id = decode_int (p, &p, end);
9594 flags = decode_byte (p, &p, end);
9595 command_set = decode_byte (p, &p, end);
9596 command = decode_byte (p, &p, end);
9598 g_assert (flags == 0);
9601 const char *cmd_str;
9604 cmd_str = cmd_to_string (command_set, command);
9606 sprintf (cmd_num, "%d", command);
9610 DEBUG_PRINTF (1, "[dbg] Command %s(%s) [%d][at=%lx].\n", command_set_to_string (command_set), cmd_str, id, (long)mono_100ns_ticks () / 10000);
9613 data = g_malloc (len - HEADER_LENGTH);
9614 if (len - HEADER_LENGTH > 0)
9616 res = transport_recv (data, len - HEADER_LENGTH);
9617 if (res != len - HEADER_LENGTH) {
9618 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, len - HEADER_LENGTH);
9624 end = data + (len - HEADER_LENGTH);
9626 buffer_init (&buf, 128);
9631 /* Process the request */
9632 switch (command_set) {
9634 err = vm_commands (command, id, p, end, &buf);
9635 if (!err && command == CMD_VM_INVOKE_METHOD)
9636 /* Sent after the invoke is complete */
9639 case CMD_SET_EVENT_REQUEST:
9640 err = event_commands (command, p, end, &buf);
9642 case CMD_SET_APPDOMAIN:
9643 err = domain_commands (command, p, end, &buf);
9645 case CMD_SET_ASSEMBLY:
9646 err = assembly_commands (command, p, end, &buf);
9648 case CMD_SET_MODULE:
9649 err = module_commands (command, p, end, &buf);
9652 err = field_commands (command, p, end, &buf);
9655 err = type_commands (command, p, end, &buf);
9657 case CMD_SET_METHOD:
9658 err = method_commands (command, p, end, &buf);
9660 case CMD_SET_THREAD:
9661 err = thread_commands (command, p, end, &buf);
9663 case CMD_SET_STACK_FRAME:
9664 err = frame_commands (command, p, end, &buf);
9666 case CMD_SET_ARRAY_REF:
9667 err = array_commands (command, p, end, &buf);
9669 case CMD_SET_STRING_REF:
9670 err = string_commands (command, p, end, &buf);
9672 case CMD_SET_OBJECT_REF:
9673 err = object_commands (command, p, end, &buf);
9676 err = ERR_NOT_IMPLEMENTED;
9679 if (command_set == CMD_SET_VM && command == CMD_VM_START_BUFFERING) {
9680 buffer_replies = TRUE;
9684 if (buffer_replies) {
9685 buffer_reply_packet (id, err, &buf);
9687 send_reply_packet (id, err, &buf);
9688 //DEBUG_PRINTF (1, "[dbg] Sent reply to %d [at=%lx].\n", id, (long)mono_100ns_ticks () / 10000);
9692 if (!err && command_set == CMD_SET_VM && command == CMD_VM_STOP_BUFFERING) {
9693 send_buffered_reply_packets ();
9694 buffer_replies = FALSE;
9700 if (command_set == CMD_SET_VM && (command == CMD_VM_DISPOSE || command == CMD_VM_EXIT))
9704 mono_set_is_debugger_attached (FALSE);
9706 mono_mutex_lock (&debugger_thread_exited_mutex);
9707 debugger_thread_exited = TRUE;
9708 mono_cond_signal (&debugger_thread_exited_cond);
9709 mono_mutex_unlock (&debugger_thread_exited_mutex);
9711 DEBUG_PRINTF (1, "[dbg] Debugger thread exited.\n");
9713 if (!attach_failed && command_set == CMD_SET_VM && command == CMD_VM_DISPOSE && !(vm_death_event_sent || mono_runtime_is_shutting_down ())) {
9714 DEBUG_PRINTF (2, "[dbg] Detached - restarting clean debugger thread.\n");
9715 start_debugger_thread ();
9721 #else /* DISABLE_DEBUGGER_AGENT */
9724 mono_debugger_agent_parse_options (char *options)
9726 g_error ("This runtime is configured with the debugger agent disabled.");
9730 mono_debugger_agent_init (void)
9735 mono_debugger_agent_breakpoint_hit (void *sigctx)
9740 mono_debugger_agent_single_step_event (void *sigctx)
9745 mono_debugger_agent_free_domain_info (MonoDomain *domain)
9750 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
9756 mono_debugger_agent_handle_exception (MonoException *ext, MonoContext *throw_ctx,
9757 MonoContext *catch_ctx)
9762 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9767 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9772 mono_debugger_agent_user_break (void)
9778 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
9783 mono_debugger_agent_debug_log_is_enabled (void)
9789 mono_debugger_agent_unhandled_exception (MonoException *exc)
9791 g_assert_not_reached ();