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 * Same as g_path_get_basename () but handles windows paths as well,
3391 * which can occur in .mdb files created by pdb2mdb.
3394 dbg_path_get_basename (const char *filename)
3398 if (!filename || strchr (filename, '/') || !strchr (filename, '\\'))
3399 return g_path_get_basename (filename);
3403 /* No separator -> filename */
3404 r = strrchr (filename, '\\');
3406 return g_strdup (filename);
3408 /* Trailing slash, remove component */
3410 char *copy = g_strdup (filename);
3411 copy [r-filename] = 0;
3412 r = strrchr (copy, '\\');
3416 return g_strdup ("/");
3418 r = g_strdup (&r[1]);
3423 return g_strdup (&r[1]);
3427 init_jit_info_dbg_attrs (MonoJitInfo *ji)
3429 static MonoClass *hidden_klass, *step_through_klass, *non_user_klass;
3430 MonoCustomAttrInfo *ainfo;
3432 if (ji->dbg_attrs_inited)
3435 if (!hidden_klass) {
3436 hidden_klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
3437 g_assert (hidden_klass);
3439 if (!step_through_klass) {
3440 step_through_klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerStepThroughAttribute");
3441 g_assert (step_through_klass);
3443 if (!non_user_klass) {
3444 non_user_klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerNonUserCodeAttribute");
3445 g_assert (non_user_klass);
3448 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3450 if (mono_custom_attrs_has_attr (ainfo, hidden_klass))
3451 ji->dbg_hidden = TRUE;
3452 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3453 ji->dbg_step_through = TRUE;
3454 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3455 ji->dbg_non_user_code = TRUE;
3456 mono_custom_attrs_free (ainfo);
3459 ainfo = mono_custom_attrs_from_class (jinfo_get_method (ji)->klass);
3461 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3462 ji->dbg_step_through = TRUE;
3463 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3464 ji->dbg_non_user_code = TRUE;
3465 mono_custom_attrs_free (ainfo);
3468 mono_memory_barrier ();
3469 ji->dbg_attrs_inited = TRUE;
3477 * create_event_list:
3479 * Return a list of event request ids matching EVENT, starting from REQS, which
3480 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3482 * We return request ids, instead of requests, to simplify threading, since
3483 * requests could be deleted anytime when the loader lock is not held.
3484 * LOCKING: Assumes the loader lock is held.
3487 create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo *ei, int *suspend_policy)
3490 GSList *events = NULL;
3492 *suspend_policy = SUSPEND_POLICY_NONE;
3495 reqs = event_requests;
3500 for (i = 0; i < reqs->len; ++i) {
3501 EventRequest *req = g_ptr_array_index (reqs, i);
3502 if (req->event_kind == event) {
3503 gboolean filtered = FALSE;
3506 for (j = 0; j < req->nmodifiers; ++j) {
3507 Modifier *mod = &req->modifiers [j];
3509 if (mod->kind == MOD_KIND_COUNT) {
3511 if (mod->data.count > 0) {
3512 if (mod->data.count > 0) {
3514 if (mod->data.count == 0)
3518 } else if (mod->kind == MOD_KIND_THREAD_ONLY) {
3519 if (mod->data.thread != mono_thread_internal_current ())
3521 } else if (mod->kind == MOD_KIND_EXCEPTION_ONLY && ei) {
3522 if (mod->data.exc_class && mod->subclasses && !mono_class_is_assignable_from (mod->data.exc_class, ei->exc->vtable->klass))
3524 if (mod->data.exc_class && !mod->subclasses && mod->data.exc_class != ei->exc->vtable->klass)
3526 if (ei->caught && !mod->caught)
3528 if (!ei->caught && !mod->uncaught)
3530 } else if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && ji) {
3532 gboolean found = FALSE;
3533 MonoAssembly **assemblies = mod->data.assemblies;
3536 for (k = 0; assemblies [k]; ++k)
3537 if (assemblies [k] == jinfo_get_method (ji)->klass->image->assembly)
3542 } else if (mod->kind == MOD_KIND_SOURCE_FILE_ONLY && ei && ei->klass) {
3543 gpointer iter = NULL;
3545 MonoDebugSourceInfo *sinfo;
3546 char *source_file, *s;
3547 gboolean found = FALSE;
3549 GPtrArray *source_file_list;
3551 while ((method = mono_class_get_methods (ei->klass, &iter))) {
3552 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
3555 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
3556 for (i = 0; i < source_file_list->len; ++i) {
3557 sinfo = g_ptr_array_index (source_file_list, i);
3559 * Do a case-insesitive match by converting the file name to
3562 s = strdup_tolower (sinfo->source_file);
3563 if (g_hash_table_lookup (mod->data.source_files, s))
3566 char *s2 = dbg_path_get_basename (sinfo->source_file);
3567 char *s3 = strdup_tolower (s2);
3569 if (g_hash_table_lookup (mod->data.source_files, s3))
3576 g_ptr_array_free (source_file_list, TRUE);
3581 } else if (mod->kind == MOD_KIND_TYPE_NAME_ONLY && ei && ei->klass) {
3584 s = mono_type_full_name (&ei->klass->byval_arg);
3585 if (!g_hash_table_lookup (mod->data.type_names, s))
3588 } else if (mod->kind == MOD_KIND_STEP) {
3589 if ((mod->data.filter & STEP_FILTER_STATIC_CTOR) && ji &&
3590 (jinfo_get_method (ji)->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3591 !strcmp (jinfo_get_method (ji)->name, ".cctor") &&
3592 (jinfo_get_method (ji) != ((SingleStepReq*)req->info)->start_method))
3594 if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
3595 init_jit_info_dbg_attrs (ji);
3599 if ((mod->data.filter & STEP_FILTER_DEBUGGER_STEP_THROUGH) && ji) {
3600 init_jit_info_dbg_attrs (ji);
3601 if (ji->dbg_step_through)
3604 if ((mod->data.filter & STEP_FILTER_DEBUGGER_NON_USER_CODE) && ji) {
3605 init_jit_info_dbg_attrs (ji);
3606 if (ji->dbg_non_user_code)
3613 *suspend_policy = MAX (*suspend_policy, req->suspend_policy);
3614 events = g_slist_append (events, GINT_TO_POINTER (req->id));
3619 /* Send a VM START/DEATH event by default */
3620 if (event == EVENT_KIND_VM_START)
3621 events = g_slist_append (events, GINT_TO_POINTER (0));
3622 if (event == EVENT_KIND_VM_DEATH)
3623 events = g_slist_append (events, GINT_TO_POINTER (0));
3628 static G_GNUC_UNUSED const char*
3629 event_to_string (EventKind event)
3632 case EVENT_KIND_VM_START: return "VM_START";
3633 case EVENT_KIND_VM_DEATH: return "VM_DEATH";
3634 case EVENT_KIND_THREAD_START: return "THREAD_START";
3635 case EVENT_KIND_THREAD_DEATH: return "THREAD_DEATH";
3636 case EVENT_KIND_APPDOMAIN_CREATE: return "APPDOMAIN_CREATE";
3637 case EVENT_KIND_APPDOMAIN_UNLOAD: return "APPDOMAIN_UNLOAD";
3638 case EVENT_KIND_METHOD_ENTRY: return "METHOD_ENTRY";
3639 case EVENT_KIND_METHOD_EXIT: return "METHOD_EXIT";
3640 case EVENT_KIND_ASSEMBLY_LOAD: return "ASSEMBLY_LOAD";
3641 case EVENT_KIND_ASSEMBLY_UNLOAD: return "ASSEMBLY_UNLOAD";
3642 case EVENT_KIND_BREAKPOINT: return "BREAKPOINT";
3643 case EVENT_KIND_STEP: return "STEP";
3644 case EVENT_KIND_TYPE_LOAD: return "TYPE_LOAD";
3645 case EVENT_KIND_EXCEPTION: return "EXCEPTION";
3646 case EVENT_KIND_KEEPALIVE: return "KEEPALIVE";
3647 case EVENT_KIND_USER_BREAK: return "USER_BREAK";
3648 case EVENT_KIND_USER_LOG: return "USER_LOG";
3650 g_assert_not_reached ();
3658 * Send an event to the client, suspending the vm if needed.
3659 * LOCKING: Since this can suspend the calling thread, no locks should be held
3661 * The EVENTS list is freed by this function.
3664 process_event (EventKind event, gpointer arg, gint32 il_offset, MonoContext *ctx, GSList *events, int suspend_policy)
3668 MonoDomain *domain = mono_domain_get ();
3669 MonoThread *thread = NULL;
3670 MonoObject *keepalive_obj = NULL;
3671 gboolean send_success = FALSE;
3676 DEBUG_PRINTF (2, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event));
3680 if (!vm_start_event_sent && event != EVENT_KIND_VM_START) {
3681 // FIXME: We miss those events
3682 DEBUG_PRINTF (2, "VM start event not sent yet: dropping %s\n", event_to_string (event));
3686 if (vm_death_event_sent) {
3687 DEBUG_PRINTF (2, "VM death event has been sent: dropping %s\n", event_to_string (event));
3691 if (mono_runtime_is_shutting_down () && event != EVENT_KIND_VM_DEATH) {
3692 DEBUG_PRINTF (2, "Mono runtime is shutting down: dropping %s\n", event_to_string (event));
3697 DEBUG_PRINTF (2, "Debugger client is not connected: dropping %s\n", event_to_string (event));
3701 if (event == EVENT_KIND_KEEPALIVE)
3702 suspend_policy = SUSPEND_POLICY_NONE;
3707 if (agent_config.defer) {
3708 /* Make sure the thread id is always set when doing deferred debugging */
3709 if (debugger_thread_id == GetCurrentThreadId ()) {
3710 /* Don't suspend on events from the debugger thread */
3711 suspend_policy = SUSPEND_POLICY_NONE;
3712 thread = mono_thread_get_main ();
3714 else thread = mono_thread_current ();
3716 if (debugger_thread_id == GetCurrentThreadId () && event != EVENT_KIND_VM_DEATH)
3717 // FIXME: Send these with a NULL thread, don't suspend the current thread
3722 nevents = g_slist_length (events);
3723 buffer_init (&buf, 128);
3724 buffer_add_byte (&buf, suspend_policy);
3725 buffer_add_int (&buf, nevents);
3727 for (l = events; l; l = l->next) {
3728 buffer_add_byte (&buf, event); // event kind
3729 buffer_add_int (&buf, GPOINTER_TO_INT (l->data)); // request id
3734 thread = mono_thread_current ();
3736 if (event == EVENT_KIND_VM_START && arg != NULL)
3739 buffer_add_objid (&buf, (MonoObject*)thread); // thread
3742 case EVENT_KIND_THREAD_START:
3743 case EVENT_KIND_THREAD_DEATH:
3745 case EVENT_KIND_APPDOMAIN_CREATE:
3746 case EVENT_KIND_APPDOMAIN_UNLOAD:
3747 buffer_add_domainid (&buf, arg);
3749 case EVENT_KIND_METHOD_ENTRY:
3750 case EVENT_KIND_METHOD_EXIT:
3751 buffer_add_methodid (&buf, domain, arg);
3753 case EVENT_KIND_ASSEMBLY_LOAD:
3754 buffer_add_assemblyid (&buf, domain, arg);
3756 case EVENT_KIND_ASSEMBLY_UNLOAD: {
3757 DebuggerTlsData *tls;
3759 /* The domain the assembly belonged to is not equal to the current domain */
3760 tls = mono_native_tls_get_value (debugger_tls_id);
3762 g_assert (tls->domain_unloading);
3764 buffer_add_assemblyid (&buf, tls->domain_unloading, arg);
3767 case EVENT_KIND_TYPE_LOAD:
3768 buffer_add_typeid (&buf, domain, arg);
3770 case EVENT_KIND_BREAKPOINT:
3771 case EVENT_KIND_STEP:
3772 buffer_add_methodid (&buf, domain, arg);
3773 buffer_add_long (&buf, il_offset);
3775 case EVENT_KIND_VM_START:
3776 buffer_add_domainid (&buf, mono_get_root_domain ());
3778 case EVENT_KIND_VM_DEATH:
3779 if (CHECK_PROTOCOL_VERSION (2, 27))
3780 buffer_add_int (&buf, mono_environment_exitcode_get ());
3782 case EVENT_KIND_EXCEPTION: {
3783 EventInfo *ei = arg;
3784 buffer_add_objid (&buf, ei->exc);
3786 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3787 * later after the suspension. (#12494).
3789 keepalive_obj = ei->exc;
3792 case EVENT_KIND_USER_BREAK:
3794 case EVENT_KIND_USER_LOG: {
3795 EventInfo *ei = arg;
3796 buffer_add_int (&buf, ei->level);
3797 buffer_add_string (&buf, ei->category ? ei->category : "");
3798 buffer_add_string (&buf, ei->message ? ei->message : "");
3801 case EVENT_KIND_KEEPALIVE:
3802 suspend_policy = SUSPEND_POLICY_NONE;
3805 g_assert_not_reached ();
3809 if (event == EVENT_KIND_VM_START) {
3810 suspend_policy = agent_config.suspend ? SUSPEND_POLICY_ALL : SUSPEND_POLICY_NONE;
3811 if (!agent_config.defer)
3812 start_debugger_thread ();
3815 if (event == EVENT_KIND_VM_DEATH) {
3816 vm_death_event_sent = TRUE;
3817 suspend_policy = SUSPEND_POLICY_NONE;
3820 if (mono_runtime_is_shutting_down ())
3821 suspend_policy = SUSPEND_POLICY_NONE;
3823 if (suspend_policy != SUSPEND_POLICY_NONE) {
3825 * Save the thread context and start suspending before sending the packet,
3826 * since we could be receiving the resume request before send_packet ()
3829 save_thread_context (ctx);
3833 /* This will keep this object alive */
3834 get_objref (keepalive_obj);
3837 send_success = send_packet (CMD_SET_EVENT, CMD_COMPOSITE, &buf);
3841 g_slist_free (events);
3844 if (!send_success) {
3845 DEBUG_PRINTF (2, "Sending command %s failed.\n", event_to_string (event));
3849 if (event == EVENT_KIND_VM_START) {
3850 vm_start_event_sent = TRUE;
3853 DEBUG_PRINTF (1, "[%p] Sent %d events %s(%d), suspend=%d.\n", (gpointer)GetCurrentThreadId (), nevents, event_to_string (event), ecount, suspend_policy);
3855 switch (suspend_policy) {
3856 case SUSPEND_POLICY_NONE:
3858 case SUSPEND_POLICY_ALL:
3861 case SUSPEND_POLICY_EVENT_THREAD:
3865 g_assert_not_reached ();
3870 process_profiler_event (EventKind event, gpointer arg)
3874 EventInfo ei, *ei_arg = NULL;
3876 if (event == EVENT_KIND_TYPE_LOAD) {
3881 mono_loader_lock ();
3882 events = create_event_list (event, NULL, NULL, ei_arg, &suspend_policy);
3883 mono_loader_unlock ();
3885 process_event (event, arg, 0, NULL, events, suspend_policy);
3889 runtime_initialized (MonoProfiler *prof)
3891 process_profiler_event (EVENT_KIND_VM_START, mono_thread_current ());
3892 if (agent_config.defer)
3893 start_debugger_thread ();
3897 runtime_shutdown (MonoProfiler *prof)
3899 process_profiler_event (EVENT_KIND_VM_DEATH, mono_thread_current ());
3901 mono_debugger_agent_cleanup ();
3905 thread_startup (MonoProfiler *prof, uintptr_t tid)
3907 MonoInternalThread *thread = mono_thread_internal_current ();
3908 MonoInternalThread *old_thread;
3909 DebuggerTlsData *tls;
3911 if (tid == debugger_thread_id)
3914 g_assert (thread->tid == tid);
3916 mono_loader_lock ();
3917 old_thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3918 mono_loader_unlock ();
3920 if (thread == old_thread) {
3922 * For some reason, thread_startup () might be called for the same thread
3923 * multiple times (attach ?).
3925 DEBUG_PRINTF (1, "[%p] thread_start () called multiple times for %p, ignored.\n", (gpointer)tid, (gpointer)tid);
3929 * thread_end () might not be called for some threads, and the tid could
3932 DEBUG_PRINTF (1, "[%p] Removing stale data for tid %p.\n", (gpointer)tid, (gpointer)tid);
3933 mono_loader_lock ();
3934 mono_g_hash_table_remove (thread_to_tls, old_thread);
3935 mono_g_hash_table_remove (tid_to_thread, (gpointer)tid);
3936 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3937 mono_loader_unlock ();
3941 tls = mono_native_tls_get_value (debugger_tls_id);
3943 // FIXME: Free this somewhere
3944 tls = g_new0 (DebuggerTlsData, 1);
3945 MONO_GC_REGISTER_ROOT_SINGLE (tls->thread);
3946 tls->thread = thread;
3947 mono_native_tls_set_value (debugger_tls_id, tls);
3949 DEBUG_PRINTF (1, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3951 mono_loader_lock ();
3952 mono_g_hash_table_insert (thread_to_tls, thread, tls);
3953 mono_g_hash_table_insert (tid_to_thread, (gpointer)tid, thread);
3954 mono_g_hash_table_insert (tid_to_thread_obj, (gpointer)tid, mono_thread_current ());
3955 mono_loader_unlock ();
3957 process_profiler_event (EVENT_KIND_THREAD_START, thread);
3960 * suspend_vm () could have missed this thread, so wait for a resume.
3966 thread_end (MonoProfiler *prof, uintptr_t tid)
3968 MonoInternalThread *thread;
3969 DebuggerTlsData *tls = NULL;
3971 mono_loader_lock ();
3972 thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3974 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3975 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
3977 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
3978 tls->terminated = TRUE;
3979 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
3980 MONO_GC_UNREGISTER_ROOT (tls->thread);
3984 mono_loader_unlock ();
3986 /* We might be called for threads started before we registered the start callback */
3988 DEBUG_PRINTF (1, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3989 process_profiler_event (EVENT_KIND_THREAD_DEATH, thread);
3994 appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result)
3996 mono_loader_lock ();
3997 g_hash_table_insert (domains, domain, domain);
3998 mono_loader_unlock ();
4000 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, domain);
4004 appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain)
4006 DebuggerTlsData *tls;
4008 /* This might be called during shutdown on the debugger thread from the CMD_VM_EXIT code */
4009 if (is_debugger_thread ())
4013 * Remember the currently unloading appdomain as it is needed to generate
4014 * proper ids for unloading assemblies.
4016 tls = mono_native_tls_get_value (debugger_tls_id);
4018 tls->domain_unloading = domain;
4022 appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
4024 DebuggerTlsData *tls;
4026 if (is_debugger_thread ())
4029 tls = mono_native_tls_get_value (debugger_tls_id);
4031 tls->domain_unloading = NULL;
4033 clear_breakpoints_for_domain (domain);
4035 mono_loader_lock ();
4036 /* Invalidate each thread's frame stack */
4037 mono_g_hash_table_foreach (thread_to_tls, invalidate_each_thread, NULL);
4038 mono_loader_unlock ();
4040 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD, domain);
4044 * invalidate_each_thread:
4046 * A GHFunc to invalidate frames.
4047 * value must be a DebuggerTlsData*
4050 invalidate_each_thread (gpointer key, gpointer value, gpointer user_data)
4052 invalidate_frames (value);
4056 assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result)
4058 /* Sent later in jit_end () */
4060 g_ptr_array_add (pending_assembly_loads, assembly);
4065 assembly_unload (MonoProfiler *prof, MonoAssembly *assembly)
4067 if (is_debugger_thread ())
4070 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD, assembly);
4072 clear_event_requests_for_assembly (assembly);
4073 clear_types_for_assembly (assembly);
4077 start_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4079 #if defined(HOST_WIN32) && !defined(__GNUC__)
4080 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4082 gpointer stackptr = __builtin_frame_address (1);
4084 MonoInternalThread *thread = mono_thread_internal_current ();
4085 DebuggerTlsData *tls;
4087 mono_loader_lock ();
4089 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
4090 /* Could be the debugger thread with assembly/type load hooks */
4092 tls->invoke_addr = stackptr;
4094 mono_loader_unlock ();
4098 end_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4101 #if defined(HOST_WIN32) && !defined(__GNUC__)
4102 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4104 gpointer stackptr = __builtin_frame_address (1);
4107 if (!embedding || ss_req == NULL || stackptr != ss_invoke_addr || ss_req->thread != mono_thread_internal_current ())
4111 * We need to stop single stepping when exiting a runtime invoke, since if it is
4112 * a step out, it may return to native code, and thus never end.
4114 mono_loader_lock ();
4115 ss_invoke_addr = NULL;
4117 for (i = 0; i < event_requests->len; ++i) {
4118 EventRequest *req = g_ptr_array_index (event_requests, i);
4120 if (req->event_kind == EVENT_KIND_STEP) {
4121 ss_destroy (req->info);
4122 g_ptr_array_remove_index_fast (event_requests, i);
4127 mono_loader_unlock ();
4131 send_type_load (MonoClass *klass)
4133 gboolean type_load = FALSE;
4134 MonoDomain *domain = mono_domain_get ();
4135 AgentDomainInfo *info = NULL;
4137 mono_loader_lock ();
4138 mono_domain_lock (domain);
4140 info = get_agent_domain_info (domain);
4142 if (!g_hash_table_lookup (info->loaded_classes, klass)) {
4144 g_hash_table_insert (info->loaded_classes, klass, klass);
4147 mono_domain_unlock (domain);
4148 mono_loader_unlock ();
4150 emit_type_load (klass, klass, NULL);
4154 * Emit load events for all types currently loaded in the domain.
4155 * Takes the loader and domain locks.
4156 * user_data is unused.
4159 send_types_for_domain (MonoDomain *domain, void *user_data)
4161 AgentDomainInfo *info = NULL;
4163 mono_loader_lock ();
4164 mono_domain_lock (domain);
4165 info = get_agent_domain_info (domain);
4167 g_hash_table_foreach (info->loaded_classes, emit_type_load, NULL);
4168 mono_domain_unlock (domain);
4169 mono_loader_unlock ();
4173 jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result)
4176 * We emit type load events when the first method of the type is JITted,
4177 * since the class load profiler callbacks might be called with the
4178 * loader lock held. They could also occur in the debugger thread.
4179 * Same for assembly load events.
4182 MonoAssembly *assembly = NULL;
4184 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
4186 if (pending_assembly_loads->len > 0) {
4187 assembly = g_ptr_array_index (pending_assembly_loads, 0);
4188 g_ptr_array_remove_index (pending_assembly_loads, 0);
4193 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, assembly);
4199 send_type_load (method->klass);
4202 add_pending_breakpoints (method, jinfo);
4206 * BREAKPOINTS/SINGLE STEPPING
4210 * Contains information about an inserted breakpoint.
4213 long il_offset, native_offset;
4217 } BreakpointInstance;
4220 * Contains generic information about a breakpoint.
4224 * The method where the breakpoint is placed. Can be NULL in which case it
4225 * is inserted into every method. This is used to implement method entry/
4226 * exit events. Can be a generic method definition, in which case the
4227 * breakpoint is inserted into every instance.
4233 * A list of BreakpointInstance structures describing where the breakpoint
4234 * was inserted. There could be more than one because of
4235 * generics/appdomains/method entry/exit.
4237 GPtrArray *children;
4240 /* List of breakpoints */
4241 static GPtrArray *breakpoints;
4242 /* Maps breakpoint locations to the number of breakpoints at that location */
4243 static GHashTable *bp_locs;
4246 breakpoints_init (void)
4248 breakpoints = g_ptr_array_new ();
4249 bp_locs = g_hash_table_new (NULL, NULL);
4253 * insert_breakpoint:
4255 * Insert the breakpoint described by BP into the method described by
4259 insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo *ji, MonoBreakpoint *bp, MonoError *error)
4262 BreakpointInstance *inst;
4263 SeqPointIterator it;
4264 gboolean it_has_sp = FALSE;
4267 mono_error_init (error);
4269 seq_point_iterator_init (&it, seq_points);
4270 while (seq_point_iterator_next (&it)) {
4271 if (it.seq_point.il_offset == bp->il_offset) {
4279 * The set of IL offsets with seq points doesn't completely match the
4280 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4282 seq_point_iterator_init (&it, seq_points);
4283 while (seq_point_iterator_next (&it)) {
4284 if (it.seq_point.il_offset != METHOD_ENTRY_IL_OFFSET &&
4285 it.seq_point.il_offset != METHOD_EXIT_IL_OFFSET &&
4286 it.seq_point.il_offset + 1 == bp->il_offset) {
4294 char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d", mono_method_full_name (jinfo_get_method (ji), TRUE), bp->il_offset);
4296 seq_point_iterator_init (&it, seq_points);
4297 while (seq_point_iterator_next (&it))
4298 DEBUG_PRINTF (1, "%d\n", it.seq_point.il_offset);
4301 mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
4302 g_warning ("%s", s);
4306 g_warning ("%s", s);
4312 inst = g_new0 (BreakpointInstance, 1);
4313 inst->il_offset = it.seq_point.il_offset;
4314 inst->native_offset = it.seq_point.native_offset;
4315 inst->ip = (guint8*)ji->code_start + it.seq_point.native_offset;
4317 inst->domain = domain;
4319 mono_loader_lock ();
4321 g_ptr_array_add (bp->children, inst);
4323 mono_loader_unlock ();
4326 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, inst->ip));
4327 g_hash_table_insert (bp_locs, inst->ip, GINT_TO_POINTER (count + 1));
4330 if (it.seq_point.native_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4331 DEBUG_PRINTF (1, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp->il_offset);
4332 } else if (count == 0) {
4333 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4334 mono_arch_set_breakpoint (ji, inst->ip);
4340 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);
4344 remove_breakpoint (BreakpointInstance *inst)
4346 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4348 MonoJitInfo *ji = inst->ji;
4349 guint8 *ip = inst->ip;
4352 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, ip));
4353 g_hash_table_insert (bp_locs, ip, GINT_TO_POINTER (count - 1));
4356 g_assert (count > 0);
4358 if (count == 1 && inst->native_offset != SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4359 mono_arch_clear_breakpoint (ji, ip);
4360 DEBUG_PRINTF (1, "[dbg] Clear breakpoint at %s [%p].\n", mono_method_full_name (jinfo_get_method (ji), TRUE), ip);
4367 static inline gboolean
4368 bp_matches_method (MonoBreakpoint *bp, MonoMethod *method)
4374 if (method == bp->method)
4376 if (method->is_inflated && ((MonoMethodInflated*)method)->declaring == bp->method)
4379 if (bp->method->is_inflated && method->is_inflated) {
4380 MonoMethodInflated *bpimethod = (MonoMethodInflated*)bp->method;
4381 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
4383 /* Open generic methods should match closed generic methods of the same class */
4384 if (bpimethod->declaring == imethod->declaring && bpimethod->context.class_inst == imethod->context.class_inst && bpimethod->context.method_inst && bpimethod->context.method_inst->is_open) {
4385 for (i = 0; i < bpimethod->context.method_inst->type_argc; ++i) {
4386 MonoType *t1 = bpimethod->context.method_inst->type_argv [i];
4388 /* FIXME: Handle !mvar */
4389 if (t1->type != MONO_TYPE_MVAR)
4400 * add_pending_breakpoints:
4402 * Insert pending breakpoints into the newly JITted method METHOD.
4405 add_pending_breakpoints (MonoMethod *method, MonoJitInfo *ji)
4408 MonoSeqPointInfo *seq_points;
4410 MonoMethod *jmethod;
4415 domain = mono_domain_get ();
4417 mono_loader_lock ();
4419 for (i = 0; i < breakpoints->len; ++i) {
4420 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4421 gboolean found = FALSE;
4423 if (!bp_matches_method (bp, method))
4426 for (j = 0; j < bp->children->len; ++j) {
4427 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4434 jmethod = jinfo_get_method (ji);
4435 mono_domain_lock (domain);
4436 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, jmethod);
4437 if (!seq_points && jmethod->is_inflated)
4438 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mono_method_get_declaring_generic_method (jmethod));
4439 mono_domain_unlock (domain);
4441 /* Could be AOT code */
4443 g_assert (seq_points);
4445 insert_breakpoint (seq_points, domain, ji, bp, NULL);
4449 mono_loader_unlock ();
4453 set_bp_in_method (MonoDomain *domain, MonoMethod *method, MonoSeqPointInfo *seq_points, MonoBreakpoint *bp, MonoError *error)
4459 mono_error_init (error);
4461 code = mono_jit_find_compiled_method_with_jit_info (domain, method, &ji);
4463 /* Might be AOTed code */
4464 code = mono_aot_get_method (domain, method);
4466 ji = mono_jit_info_table_find (domain, code);
4471 insert_breakpoint (seq_points, domain, ji, bp, error);
4475 clear_breakpoint (MonoBreakpoint *bp);
4480 * Set a breakpoint at IL_OFFSET in METHOD.
4481 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4482 * METHOD can also be a generic method definition, in which case a breakpoint
4483 * is placed in all instances of the method.
4484 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4487 static MonoBreakpoint*
4488 set_breakpoint (MonoMethod *method, long il_offset, EventRequest *req, MonoError *error)
4491 GHashTableIter iter, iter2;
4494 MonoSeqPointInfo *seq_points;
4497 mono_error_init (error);
4500 // - suspend/resume the vm to prevent code patching problems
4501 // - multiple breakpoints on the same location
4502 // - dynamic methods
4505 bp = g_new0 (MonoBreakpoint, 1);
4506 bp->method = method;
4507 bp->il_offset = il_offset;
4509 bp->children = g_ptr_array_new ();
4511 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);
4513 mono_loader_lock ();
4515 g_hash_table_iter_init (&iter, domains);
4516 while (g_hash_table_iter_next (&iter, (void**)&domain, NULL)) {
4517 mono_domain_lock (domain);
4519 g_hash_table_iter_init (&iter2, domain_jit_info (domain)->seq_points);
4520 while (g_hash_table_iter_next (&iter2, (void**)&m, (void**)&seq_points)) {
4521 if (bp_matches_method (bp, m))
4522 set_bp_in_method (domain, m, seq_points, bp, error);
4525 mono_domain_unlock (domain);
4528 mono_loader_unlock ();
4530 mono_loader_lock ();
4531 g_ptr_array_add (breakpoints, bp);
4532 mono_loader_unlock ();
4534 if (error && !mono_error_ok (error)) {
4535 clear_breakpoint (bp);
4543 clear_breakpoint (MonoBreakpoint *bp)
4547 // FIXME: locking, races
4548 for (i = 0; i < bp->children->len; ++i) {
4549 BreakpointInstance *inst = g_ptr_array_index (bp->children, i);
4551 remove_breakpoint (inst);
4556 mono_loader_lock ();
4557 g_ptr_array_remove (breakpoints, bp);
4558 mono_loader_unlock ();
4560 g_ptr_array_free (bp->children, TRUE);
4565 breakpoints_cleanup (void)
4569 mono_loader_lock ();
4571 while (i < event_requests->len) {
4572 EventRequest *req = g_ptr_array_index (event_requests, i);
4574 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
4575 clear_breakpoint (req->info);
4576 g_ptr_array_remove_index_fast (event_requests, i);
4583 for (i = 0; i < breakpoints->len; ++i)
4584 g_free (g_ptr_array_index (breakpoints, i));
4586 g_ptr_array_free (breakpoints, TRUE);
4587 g_hash_table_destroy (bp_locs);
4592 mono_loader_unlock ();
4596 * clear_breakpoints_for_domain:
4598 * Clear breakpoint instances which reference DOMAIN.
4601 clear_breakpoints_for_domain (MonoDomain *domain)
4605 /* This could be called after shutdown */
4609 mono_loader_lock ();
4610 for (i = 0; i < breakpoints->len; ++i) {
4611 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4614 while (j < bp->children->len) {
4615 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4617 if (inst->domain == domain) {
4618 remove_breakpoint (inst);
4622 g_ptr_array_remove_index_fast (bp->children, j);
4628 mono_loader_unlock ();
4634 * Return FALSE if single stepping needs to continue.
4637 ss_update (SingleStepReq *req, MonoJitInfo *ji, SeqPoint *sp, DebuggerTlsData *tls, MonoContext *ctx)
4639 MonoDebugMethodInfo *minfo;
4640 MonoDebugSourceLocation *loc = NULL;
4641 gboolean hit = TRUE;
4644 if (req->depth == STEP_DEPTH_OVER && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK)) {
4646 * These seq points are inserted by the JIT after calls, step over needs to skip them.
4648 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset);
4652 if (req->depth == STEP_DEPTH_OVER && hit) {
4653 if (!tls->context.valid)
4654 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4655 compute_frame_info (tls->thread, tls);
4656 if (req->nframes && tls->frame_count && tls->frame_count > req->nframes) {
4657 /* Hit the breakpoint in a recursive call */
4658 DEBUG_PRINTF (1, "[%p] Breakpoint at lower frame while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId ());
4663 if (req->depth == STEP_DEPTH_INTO && req->size == STEP_SIZE_MIN && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK) && ss_req->start_method){
4664 method = jinfo_get_method (ji);
4665 if (!tls->context.valid)
4666 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4667 compute_frame_info (tls->thread, tls);
4668 if (ss_req->start_method == method && req->nframes && tls->frame_count == req->nframes) {//Check also frame count(could be recursion)
4669 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping in, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset);
4674 if (req->size != STEP_SIZE_LINE)
4677 /* Have to check whenever a different source line was reached */
4678 method = jinfo_get_method (ji);
4679 minfo = mono_debug_lookup_method (method);
4682 loc = mono_debug_symfile_lookup_location (minfo, sp->il_offset);
4685 DEBUG_PRINTF (1, "[%p] No line number info for il offset %x, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset);
4686 ss_req->last_method = method;
4688 } else if (loc && method == ss_req->last_method && loc->row == ss_req->last_line) {
4689 DEBUG_PRINTF (1, "[%p] Same source line (%d), continuing single stepping.\n", (gpointer)GetCurrentThreadId (), loc->row);
4694 ss_req->last_method = method;
4695 ss_req->last_line = loc->row;
4696 mono_debug_free_source_location (loc);
4703 breakpoint_matches_assembly (MonoBreakpoint *bp, MonoAssembly *assembly)
4705 return bp->method && bp->method->klass->image->assembly == assembly;
4709 process_breakpoint_inner (DebuggerTlsData *tls)
4713 int i, j, suspend_policy;
4714 guint32 native_offset;
4716 BreakpointInstance *inst;
4717 GPtrArray *bp_reqs, *ss_reqs_orig, *ss_reqs;
4718 GSList *bp_events = NULL, *ss_events = NULL, *enter_leave_events = NULL;
4719 EventKind kind = EVENT_KIND_BREAKPOINT;
4720 MonoContext *ctx = &tls->restore_state.ctx;
4722 MonoSeqPointInfo *info;
4726 // FIXME: Speed this up
4728 ip = MONO_CONTEXT_GET_IP (ctx);
4729 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
4731 method = jinfo_get_method (ji);
4733 /* Compute the native offset of the breakpoint from the ip */
4734 native_offset = ip - (guint8*)ji->code_start;
4737 * Skip the instruction causing the breakpoint signal.
4739 mono_arch_skip_breakpoint (ctx, ji);
4741 if (method->wrapper_type || tls->disable_breakpoints)
4744 bp_reqs = g_ptr_array_new ();
4745 ss_reqs = g_ptr_array_new ();
4746 ss_reqs_orig = g_ptr_array_new ();
4748 mono_loader_lock ();
4751 * The ip points to the instruction causing the breakpoint event, which is after
4752 * the offset recorded in the seq point map, so find the prev seq point before ip.
4754 found_sp = find_prev_seq_point_for_native_offset (mono_domain_get (), method, native_offset, &info, &sp);
4757 no_seq_points_found (method);
4759 g_assert (found_sp);
4761 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);
4764 for (i = 0; i < breakpoints->len; ++i) {
4765 bp = g_ptr_array_index (breakpoints, i);
4770 for (j = 0; j < bp->children->len; ++j) {
4771 inst = g_ptr_array_index (bp->children, j);
4772 if (inst->ji == ji && inst->il_offset == sp.il_offset && inst->native_offset == sp.native_offset) {
4773 if (bp->req->event_kind == EVENT_KIND_STEP) {
4774 g_ptr_array_add (ss_reqs_orig, bp->req);
4776 g_ptr_array_add (bp_reqs, bp->req);
4781 if (bp_reqs->len == 0 && ss_reqs_orig->len == 0) {
4782 /* Maybe a method entry/exit event */
4783 if (sp.il_offset == METHOD_ENTRY_IL_OFFSET)
4784 kind = EVENT_KIND_METHOD_ENTRY;
4785 else if (sp.il_offset == METHOD_EXIT_IL_OFFSET)
4786 kind = EVENT_KIND_METHOD_EXIT;
4789 /* Process single step requests */
4790 for (i = 0; i < ss_reqs_orig->len; ++i) {
4791 EventRequest *req = g_ptr_array_index (ss_reqs_orig, i);
4792 SingleStepReq *ss_req = req->info;
4795 if (mono_thread_internal_current () != ss_req->thread)
4798 hit = ss_update (ss_req, ji, &sp, tls, ctx);
4800 g_ptr_array_add (ss_reqs, req);
4802 /* Start single stepping again from the current sequence point */
4803 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
4806 if (ss_reqs->len > 0)
4807 ss_events = create_event_list (EVENT_KIND_STEP, ss_reqs, ji, NULL, &suspend_policy);
4808 if (bp_reqs->len > 0)
4809 bp_events = create_event_list (EVENT_KIND_BREAKPOINT, bp_reqs, ji, NULL, &suspend_policy);
4810 if (kind != EVENT_KIND_BREAKPOINT)
4811 enter_leave_events = create_event_list (kind, NULL, ji, NULL, &suspend_policy);
4813 mono_loader_unlock ();
4815 g_ptr_array_free (bp_reqs, TRUE);
4816 g_ptr_array_free (ss_reqs, TRUE);
4819 * FIXME: The first event will suspend, so the second will only be sent after the
4823 process_event (EVENT_KIND_STEP, method, 0, ctx, ss_events, suspend_policy);
4825 process_event (kind, method, 0, ctx, bp_events, suspend_policy);
4826 if (enter_leave_events)
4827 process_event (kind, method, 0, ctx, enter_leave_events, suspend_policy);
4830 /* Process a breakpoint/single step event after resuming from a signal handler */
4832 process_signal_event (void (*func) (DebuggerTlsData*))
4834 DebuggerTlsData *tls;
4835 MonoThreadUnwindState orig_restore_state;
4838 tls = mono_native_tls_get_value (debugger_tls_id);
4839 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4840 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
4841 mono_thread_state_init_from_monoctx (&tls->restore_state, &tls->handler_ctx);
4845 /* This is called when resuming from a signal handler, so it shouldn't return */
4846 memcpy (&ctx, &tls->restore_state.ctx, sizeof (MonoContext));
4847 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
4848 mono_restore_context (&ctx);
4849 g_assert_not_reached ();
4853 process_breakpoint (void)
4855 process_signal_event (process_breakpoint_inner);
4859 resume_from_signal_handler (void *sigctx, void *func)
4861 DebuggerTlsData *tls;
4864 /* Save the original context in TLS */
4865 // FIXME: This might not work on an altstack ?
4866 tls = mono_native_tls_get_value (debugger_tls_id);
4868 fprintf (stderr, "Thread %p is not attached to the JIT.\n", (gpointer)GetCurrentThreadId ());
4871 // FIXME: MonoContext usually doesn't include the fp registers, so these are
4872 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
4873 // clob:c could be added to op_seq_point.
4875 mono_sigctx_to_monoctx (sigctx, &ctx);
4876 memcpy (&tls->handler_ctx, &ctx, sizeof (MonoContext));
4877 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
4878 mono_arch_setup_resume_sighandler_ctx (&ctx, func);
4880 MONO_CONTEXT_SET_IP (&ctx, func);
4882 mono_monoctx_to_sigctx (&ctx, sigctx);
4884 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4885 mono_ppc_set_func_into_sigctx (sigctx, func);
4890 mono_debugger_agent_breakpoint_hit (void *sigctx)
4893 * We are called from a signal handler, and running code there causes all kinds of
4894 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
4895 * So set up the signal context to return to the real breakpoint handler function.
4897 resume_from_signal_handler (sigctx, process_breakpoint);
4901 user_break_cb (StackFrameInfo *frame, MonoContext *ctx, gpointer data)
4903 if (frame->managed) {
4904 *(MonoContext*)data = *ctx;
4913 * Called by System.Diagnostics.Debugger:Break ().
4916 mono_debugger_agent_user_break (void)
4918 if (agent_config.enabled) {
4923 /* Obtain a context */
4924 MONO_CONTEXT_SET_IP (&ctx, NULL);
4925 mono_walk_stack_with_ctx (user_break_cb, NULL, 0, &ctx);
4926 g_assert (MONO_CONTEXT_GET_IP (&ctx) != NULL);
4928 mono_loader_lock ();
4929 events = create_event_list (EVENT_KIND_USER_BREAK, NULL, NULL, NULL, &suspend_policy);
4930 mono_loader_unlock ();
4932 process_event (EVENT_KIND_USER_BREAK, NULL, 0, &ctx, events, suspend_policy);
4939 ss_depth_to_string (StepDepth depth)
4942 case STEP_DEPTH_OVER:
4944 case STEP_DEPTH_OUT:
4946 case STEP_DEPTH_INTO:
4949 g_assert_not_reached ();
4955 process_single_step_inner (DebuggerTlsData *tls)
4960 int il_offset, suspend_policy;
4963 MonoContext *ctx = &tls->restore_state.ctx;
4966 MonoSeqPointInfo *info;
4968 ip = MONO_CONTEXT_GET_IP (ctx);
4970 /* Skip the instruction causing the single step */
4971 mono_arch_skip_single_step (ctx);
4973 if (suspend_count > 0) {
4974 process_suspend (tls, ctx);
4979 // FIXME: A suspend race
4982 if (mono_thread_internal_current () != ss_req->thread)
4985 if (log_level > 0) {
4986 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4988 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);
4991 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4993 method = jinfo_get_method (ji);
4996 if (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
5001 * Stopping in memset makes half-initialized vtypes visible.
5002 * Stopping in memcpy makes half-copied vtypes visible.
5004 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
5008 * The ip points to the instruction causing the single step event, which is before
5009 * the offset recorded in the seq point map, so find the next seq point after ip.
5011 if (!find_next_seq_point_for_native_offset (domain, method, (guint8*)ip - (guint8*)ji->code_start, &info, &sp))
5014 il_offset = sp.il_offset;
5016 if (!ss_update (ss_req, ji, &sp, tls, ctx))
5019 /* Start single stepping again from the current sequence point */
5020 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
5022 if ((ss_req->filter & STEP_FILTER_STATIC_CTOR) &&
5023 (method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
5024 !strcmp (method->name, ".cctor"))
5027 // FIXME: Has to lock earlier
5029 reqs = g_ptr_array_new ();
5031 mono_loader_lock ();
5033 g_ptr_array_add (reqs, ss_req->req);
5035 events = create_event_list (EVENT_KIND_STEP, reqs, ji, NULL, &suspend_policy);
5037 g_ptr_array_free (reqs, TRUE);
5039 mono_loader_unlock ();
5041 process_event (EVENT_KIND_STEP, jinfo_get_method (ji), il_offset, ctx, events, suspend_policy);
5045 process_single_step (void)
5047 process_signal_event (process_single_step_inner);
5051 * mono_debugger_agent_single_step_event:
5053 * Called from a signal handler to handle a single step event.
5056 mono_debugger_agent_single_step_event (void *sigctx)
5058 /* Resume to process_single_step through the signal context */
5060 // FIXME: Since step out/over is implemented using step in, the step in case should
5061 // be as fast as possible. Move the relevant code from process_single_step_inner ()
5064 if (GetCurrentThreadId () == debugger_thread_id) {
5066 * This could happen despite our best effors when the runtime calls
5067 * assembly/type resolve hooks.
5068 * FIXME: Breakpoints too.
5072 mono_sigctx_to_monoctx (sigctx, &ctx);
5073 mono_arch_skip_single_step (&ctx);
5074 mono_monoctx_to_sigctx (&ctx, sigctx);
5078 resume_from_signal_handler (sigctx, process_single_step);
5082 debugger_agent_single_step_from_context (MonoContext *ctx)
5084 DebuggerTlsData *tls;
5085 MonoThreadUnwindState orig_restore_state;
5087 tls = mono_native_tls_get_value (debugger_tls_id);
5090 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
5091 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
5092 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5094 process_single_step_inner (tls);
5096 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5097 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5101 debugger_agent_breakpoint_from_context (MonoContext *ctx)
5103 DebuggerTlsData *tls;
5104 MonoThreadUnwindState orig_restore_state;
5106 tls = mono_native_tls_get_value (debugger_tls_id);
5108 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoContext));
5109 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5111 process_breakpoint_inner (tls);
5113 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5114 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5118 * start_single_stepping:
5120 * Turn on single stepping. Can be called multiple times, for example,
5121 * by a single step event request + a suspend.
5124 start_single_stepping (void)
5126 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5127 int val = InterlockedIncrement (&ss_count);
5130 mono_arch_start_single_stepping ();
5132 if (ss_req != NULL && ss_invoke_addr == NULL) {
5133 DebuggerTlsData *tls;
5135 mono_loader_lock ();
5137 tls = mono_g_hash_table_lookup (thread_to_tls, ss_req->thread);
5138 ss_invoke_addr = tls->invoke_addr;
5140 mono_loader_unlock ();
5143 g_assert_not_reached ();
5148 stop_single_stepping (void)
5150 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5151 int val = InterlockedDecrement (&ss_count);
5154 mono_arch_stop_single_stepping ();
5156 ss_invoke_addr = NULL;
5158 g_assert_not_reached ();
5165 * Stop the single stepping operation given by SS_REQ.
5168 ss_stop (SingleStepReq *ss_req)
5173 for (l = ss_req->bps; l; l = l->next) {
5174 clear_breakpoint (l->data);
5176 g_slist_free (ss_req->bps);
5180 if (ss_req->global) {
5181 stop_single_stepping ();
5182 ss_req->global = FALSE;
5189 * Start the single stepping operation given by SS_REQ from the sequence point SP.
5190 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
5191 * belong to the same thread as CTX.
5192 * If FRAMES is not-null, use that instead of tls->frames for placing breakpoints etc.
5195 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint* sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls,
5196 gboolean step_to_catch, StackFrame **frames, int nframes)
5198 int i, j, frame_index;
5199 SeqPoint *next_sp, *parent_sp = NULL;
5200 SeqPoint local_sp, local_parent_sp;
5203 MonoSeqPointInfo *parent_info;
5204 MonoMethod *parent_sp_method = NULL;
5205 gboolean enable_global = FALSE;
5207 /* Stop the previous operation */
5211 * Implement single stepping using breakpoints if possible.
5213 if (step_to_catch) {
5214 bp = set_breakpoint (method, sp->il_offset, ss_req->req, NULL);
5215 ss_req->bps = g_slist_append (ss_req->bps, bp);
5219 if (ctx && !frames) {
5220 /* Need parent frames */
5221 if (!tls->context.valid)
5222 mono_thread_state_init_from_monoctx (&tls->context, ctx);
5223 compute_frame_info (tls->thread, tls);
5224 frames = tls->frames;
5225 nframes = tls->frame_count;
5229 * Find the first sequence point in the current or in a previous frame which
5230 * is not the last in its method.
5232 if (ss_req->depth == STEP_DEPTH_OUT) {
5233 /* Ignore seq points in current method */
5234 while (frame_index < nframes) {
5235 StackFrame *frame = frames [frame_index];
5237 method = frame->method;
5238 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5239 sp = (found_sp)? &local_sp : NULL;
5241 if (sp && sp->next_len != 0)
5244 // There could be method calls before the next seq point in the caller when using nested calls
5245 //enable_global = TRUE;
5247 if (sp && sp->next_len == 0) {
5249 while (frame_index < nframes) {
5250 StackFrame *frame = frames [frame_index];
5252 method = frame->method;
5253 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5254 sp = (found_sp)? &local_sp : NULL;
5255 if (sp && sp->next_len != 0)
5261 /* Have to put a breakpoint into a parent frame since the seq points might not cover all control flow out of the method */
5262 while (frame_index < nframes) {
5263 StackFrame *frame = frames [frame_index];
5265 parent_sp_method = frame->method;
5266 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &parent_info, &local_parent_sp);
5267 parent_sp = found_sp ? &local_parent_sp : NULL;
5268 if (found_sp && parent_sp->next_len != 0)
5276 if (sp && sp->next_len > 0) {
5277 SeqPoint* next = g_new(SeqPoint, sp->next_len);
5279 seq_point_init_next (info, *sp, next);
5280 for (i = 0; i < sp->next_len; i++) {
5283 bp = set_breakpoint (method, next_sp->il_offset, ss_req->req, NULL);
5284 ss_req->bps = g_slist_append (ss_req->bps, bp);
5290 SeqPoint* next = g_new(SeqPoint, parent_sp->next_len);
5292 seq_point_init_next (parent_info, *parent_sp, next);
5293 for (i = 0; i < parent_sp->next_len; i++) {
5296 bp = set_breakpoint (parent_sp_method, next_sp->il_offset, ss_req->req, NULL);
5297 ss_req->bps = g_slist_append (ss_req->bps, bp);
5302 if (ss_req->nframes == 0)
5303 ss_req->nframes = nframes;
5304 if (ss_req->depth == STEP_DEPTH_OVER) {
5305 /* Need to stop in catch clauses as well */
5306 for (i = 0; i < nframes; ++i) {
5307 StackFrame *frame = frames [i];
5310 MonoJitInfo *jinfo = frame->ji;
5311 for (j = 0; j < jinfo->num_clauses; ++j) {
5312 MonoJitExceptionInfo *ei = &jinfo->clauses [j];
5314 found_sp = find_next_seq_point_for_native_offset (frame->domain, frame->method, (char*)ei->handler_start - (char*)jinfo->code_start, NULL, &local_sp);
5315 sp = (found_sp)? &local_sp : NULL;
5317 bp = set_breakpoint (frame->method, sp->il_offset, ss_req->req, NULL);
5318 ss_req->bps = g_slist_append (ss_req->bps, bp);
5325 if (ss_req->depth == STEP_DEPTH_INTO) {
5326 /* Enable global stepping so we stop at method entry too */
5327 enable_global = TRUE;
5331 * The ctx/frame info computed above will become invalid when we continue.
5333 tls->context.valid = FALSE;
5334 tls->async_state.valid = FALSE;
5335 invalidate_frames (tls);
5338 if (enable_global) {
5339 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5340 ss_req->global = TRUE;
5341 start_single_stepping ();
5342 } else if (!ss_req->bps) {
5343 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5344 ss_req->global = TRUE;
5345 start_single_stepping ();
5347 ss_req->global = FALSE;
5352 * Start single stepping of thread THREAD
5355 ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, StepFilter filter, EventRequest *req)
5357 DebuggerTlsData *tls;
5358 MonoSeqPointInfo *info = NULL;
5359 SeqPoint *sp = NULL;
5362 MonoMethod *method = NULL;
5363 MonoDebugMethodInfo *minfo;
5364 gboolean step_to_catch = FALSE;
5365 gboolean set_ip = FALSE;
5366 StackFrame **frames = NULL;
5369 if (suspend_count == 0)
5370 return ERR_NOT_SUSPENDED;
5372 wait_for_suspend ();
5374 // FIXME: Multiple requests
5376 DEBUG_PRINTF (0, "Received a single step request while the previous one was still active.\n");
5377 return ERR_NOT_IMPLEMENTED;
5380 DEBUG_PRINTF (1, "[dbg] Starting single step of thread %p (depth=%s).\n", thread, ss_depth_to_string (depth));
5382 ss_req = g_new0 (SingleStepReq, 1);
5384 ss_req->thread = thread;
5385 ss_req->size = size;
5386 ss_req->depth = depth;
5387 ss_req->filter = filter;
5390 mono_loader_lock ();
5391 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5392 mono_loader_unlock ();
5394 g_assert (tls->context.valid);
5396 if (tls->restore_state.valid && MONO_CONTEXT_GET_IP (&tls->context.ctx) != MONO_CONTEXT_GET_IP (&tls->restore_state.ctx)) {
5398 * Need to start single stepping from restore_state and not from the current state
5401 frames = compute_frame_info_from (thread, tls, &tls->restore_state, &nframes);
5404 ss_req->start_sp = ss_req->last_sp = MONO_CONTEXT_GET_SP (&tls->context.ctx);
5406 if (tls->catch_state.valid) {
5408 StackFrameInfo frame;
5409 MonoContext new_ctx;
5410 MonoLMF *lmf = NULL;
5413 * We are stopped at a throw site. Stepping should go to the catch site.
5416 /* Find the the jit info for the catch context */
5417 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);
5419 g_assert (frame.type == FRAME_TYPE_MANAGED);
5422 * Find the seq point corresponding to the landing site ip, which is the first seq
5425 found_sp = find_next_seq_point_for_native_offset (frame.domain, frame.method, frame.native_offset, &info, &local_sp);
5426 sp = (found_sp)? &local_sp : NULL;
5428 no_seq_points_found (frame.method);
5431 method = frame.method;
5433 step_to_catch = TRUE;
5434 /* This make sure the seq point is not skipped by process_single_step () */
5435 ss_req->last_sp = NULL;
5438 if (!step_to_catch) {
5439 StackFrame *frame = NULL;
5442 if (frames && nframes)
5445 compute_frame_info (thread, tls);
5447 if (tls->frame_count)
5448 frame = tls->frames [0];
5451 if (ss_req->size == STEP_SIZE_LINE) {
5453 ss_req->last_method = frame->method;
5454 ss_req->last_line = -1;
5456 minfo = mono_debug_lookup_method (frame->method);
5457 if (minfo && frame->il_offset != -1) {
5458 MonoDebugSourceLocation *loc = mono_debug_symfile_lookup_location (minfo, frame->il_offset);
5461 ss_req->last_line = loc->row;
5469 if (!method && frame->il_offset != -1) {
5470 /* FIXME: Sort the table and use a binary search */
5471 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5472 sp = (found_sp)? &local_sp : NULL;
5474 no_seq_points_found (frame->method);
5476 method = frame->method;
5481 ss_req->start_method = method;
5483 ss_start (ss_req, method, sp, info, set_ip ? &tls->restore_state.ctx : &tls->context.ctx, tls, step_to_catch, frames, nframes);
5486 free_frames (frames, nframes);
5492 ss_destroy (SingleStepReq *req)
5495 g_assert (ss_req == req);
5504 ss_clear_for_assembly (SingleStepReq *req, MonoAssembly *assembly)
5507 gboolean found = TRUE;
5511 for (l = ss_req->bps; l; l = l->next) {
5512 if (breakpoint_matches_assembly (l->data, assembly)) {
5513 clear_breakpoint (l->data);
5514 ss_req->bps = g_slist_delete_link (ss_req->bps, l);
5523 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5526 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
5532 if (!agent_config.enabled)
5535 mono_loader_lock ();
5536 events = create_event_list (EVENT_KIND_USER_LOG, NULL, NULL, NULL, &suspend_policy);
5537 mono_loader_unlock ();
5540 ei.category = category ? mono_string_to_utf8 (category) : NULL;
5541 ei.message = message ? mono_string_to_utf8 (message) : NULL;
5543 process_event (EVENT_KIND_USER_LOG, &ei, 0, NULL, events, suspend_policy);
5545 g_free (ei.category);
5546 g_free (ei.message);
5550 mono_debugger_agent_debug_log_is_enabled (void)
5552 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5553 return agent_config.enabled;
5556 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
5558 mono_debugger_agent_unhandled_exception (MonoException *exc)
5567 memset (&ei, 0, sizeof (EventInfo));
5568 ei.exc = (MonoObject*)exc;
5570 mono_loader_lock ();
5571 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, NULL, &ei, &suspend_policy);
5572 mono_loader_unlock ();
5574 process_event (EVENT_KIND_EXCEPTION, &ei, 0, NULL, events, suspend_policy);
5579 mono_debugger_agent_handle_exception (MonoException *exc, MonoContext *throw_ctx,
5580 MonoContext *catch_ctx)
5582 int i, j, suspend_policy;
5584 MonoJitInfo *ji, *catch_ji;
5586 DebuggerTlsData *tls = NULL;
5588 if (thread_to_tls != NULL) {
5589 MonoInternalThread *thread = mono_thread_internal_current ();
5591 mono_loader_lock ();
5592 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5593 mono_loader_unlock ();
5595 if (tls && tls->abort_requested)
5597 if (tls && tls->disable_breakpoints)
5601 memset (&ei, 0, sizeof (EventInfo));
5603 /* Just-In-Time debugging */
5605 if (agent_config.onuncaught && !inited) {
5606 finish_agent_init (FALSE);
5609 * Send an unsolicited EXCEPTION event with a dummy request id.
5611 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5612 ei.exc = (MonoObject*)exc;
5613 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5616 } else if (agent_config.onthrow && !inited) {
5618 gboolean found = FALSE;
5620 for (l = agent_config.onthrow; l; l = l->next) {
5621 char *ex_type = l->data;
5622 char *f = mono_type_full_name (&exc->object.vtable->klass->byval_arg);
5624 if (!strcmp (ex_type, "") || !strcmp (ex_type, f))
5631 finish_agent_init (FALSE);
5634 * Send an unsolicited EXCEPTION event with a dummy request id.
5636 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5637 ei.exc = (MonoObject*)exc;
5638 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5646 ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (throw_ctx), NULL);
5648 catch_ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (catch_ctx), NULL);
5652 ei.exc = (MonoObject*)exc;
5653 ei.caught = catch_ctx != NULL;
5655 mono_loader_lock ();
5657 /* Treat exceptions which are caught in non-user code as unhandled */
5658 for (i = 0; i < event_requests->len; ++i) {
5659 EventRequest *req = g_ptr_array_index (event_requests, i);
5660 if (req->event_kind != EVENT_KIND_EXCEPTION)
5663 for (j = 0; j < req->nmodifiers; ++j) {
5664 Modifier *mod = &req->modifiers [j];
5666 if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && catch_ji) {
5668 gboolean found = FALSE;
5669 MonoAssembly **assemblies = mod->data.assemblies;
5672 for (k = 0; assemblies [k]; ++k)
5673 if (assemblies [k] == jinfo_get_method (catch_ji)->klass->image->assembly)
5682 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, ji, &ei, &suspend_policy);
5683 mono_loader_unlock ();
5685 if (tls && ei.caught && catch_ctx) {
5686 memset (&tls->catch_state, 0, sizeof (tls->catch_state));
5687 tls->catch_state.ctx = *catch_ctx;
5688 tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN] = mono_domain_get ();
5689 tls->catch_state.valid = TRUE;
5692 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, suspend_policy);
5695 tls->catch_state.valid = FALSE;
5699 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5701 DebuggerTlsData *tls;
5706 tls = mono_native_tls_get_value (debugger_tls_id);
5711 * We're about to invoke an exception filter during the first pass of exception handling.
5713 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
5714 * 'orig_ctx' is the context where the exception has been thrown.
5717 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
5719 * If we're stopped in Filter(), normal stack unwinding would first unwind to
5720 * the call site (line 37) and then continue to Main(), but it would never
5721 * include the throw site (line 32).
5723 * Since exception filters are invoked during the first pass of exception handling,
5724 * the stack frames of the throw site are still intact, so we should include them
5727 * We do this here by saving the context of the throw site in 'tls->filter_state'.
5729 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
5730 * but report the location of the 'throw' to the user.
5734 g_assert (mono_thread_state_init_from_monoctx (&tls->filter_state, orig_ctx));
5738 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5740 DebuggerTlsData *tls;
5745 tls = mono_native_tls_get_value (debugger_tls_id);
5749 tls->filter_state.valid = FALSE;
5753 * buffer_add_value_full:
5755 * Add the encoding of the value at ADDR described by T to the buffer.
5756 * AS_VTYPE determines whenever to treat primitive types as primitive types or
5760 buffer_add_value_full (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain,
5761 gboolean as_vtype, GHashTable *parent_vtypes)
5764 gboolean boxed_vtype = FALSE;
5767 if (!(*(void**)addr)) {
5768 /* This can happen with compiler generated locals */
5769 //printf ("%s\n", mono_type_full_name (t));
5770 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5773 g_assert (*(void**)addr);
5774 addr = *(void**)addr;
5779 case MONO_TYPE_BOOLEAN:
5782 case MONO_TYPE_CHAR:
5802 case MONO_TYPE_VOID:
5803 buffer_add_byte (buf, t->type);
5805 case MONO_TYPE_BOOLEAN:
5808 buffer_add_byte (buf, t->type);
5809 buffer_add_int (buf, *(gint8*)addr);
5811 case MONO_TYPE_CHAR:
5814 buffer_add_byte (buf, t->type);
5815 buffer_add_int (buf, *(gint16*)addr);
5820 buffer_add_byte (buf, t->type);
5821 buffer_add_int (buf, *(gint32*)addr);
5826 buffer_add_byte (buf, t->type);
5827 buffer_add_long (buf, *(gint64*)addr);
5831 /* Treat it as a vtype */
5833 case MONO_TYPE_PTR: {
5834 gssize val = *(gssize*)addr;
5836 buffer_add_byte (buf, t->type);
5837 buffer_add_long (buf, val);
5841 case MONO_TYPE_STRING:
5842 case MONO_TYPE_SZARRAY:
5843 case MONO_TYPE_OBJECT:
5844 case MONO_TYPE_CLASS:
5845 case MONO_TYPE_ARRAY:
5846 obj = *(MonoObject**)addr;
5849 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5851 if (obj->vtable->klass->valuetype) {
5852 t = &obj->vtable->klass->byval_arg;
5853 addr = mono_object_unbox (obj);
5856 } else if (obj->vtable->klass->rank) {
5857 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5858 } else if (obj->vtable->klass->byval_arg.type == MONO_TYPE_GENERICINST) {
5859 buffer_add_byte (buf, MONO_TYPE_CLASS);
5861 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5863 buffer_add_objid (buf, obj);
5867 case MONO_TYPE_VALUETYPE: {
5871 MonoClass *klass = mono_class_from_mono_type (t);
5876 * Handle boxed vtypes recursively referencing themselves using fields.
5879 parent_vtypes = g_hash_table_new (NULL, NULL);
5880 vtype_index = GPOINTER_TO_INT (g_hash_table_lookup (parent_vtypes, addr));
5882 if (CHECK_PROTOCOL_VERSION (2, 33)) {
5883 buffer_add_byte (buf, VALUE_TYPE_ID_PARENT_VTYPE);
5884 buffer_add_int (buf, vtype_index - 1);
5886 /* The client can't handle PARENT_VTYPE */
5887 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5891 g_hash_table_insert (parent_vtypes, addr, GINT_TO_POINTER (g_hash_table_size (parent_vtypes) + 1));
5895 buffer_add_byte (buf, MONO_TYPE_VALUETYPE);
5896 buffer_add_byte (buf, klass->enumtype);
5897 buffer_add_typeid (buf, domain, klass);
5901 while ((f = mono_class_get_fields (klass, &iter))) {
5902 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5904 if (mono_field_is_deleted (f))
5908 buffer_add_int (buf, nfields);
5911 while ((f = mono_class_get_fields (klass, &iter))) {
5912 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5914 if (mono_field_is_deleted (f))
5916 buffer_add_value_full (buf, f->type, (guint8*)addr + f->offset - sizeof (MonoObject), domain, FALSE, parent_vtypes);
5920 g_hash_table_remove (parent_vtypes, addr);
5921 if (g_hash_table_size (parent_vtypes) == 0) {
5922 g_hash_table_destroy (parent_vtypes);
5923 parent_vtypes = NULL;
5928 case MONO_TYPE_GENERICINST:
5929 if (mono_type_generic_inst_is_valuetype (t)) {
5941 buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
5943 buffer_add_value_full (buf, t, addr, domain, FALSE, NULL);
5947 obj_is_of_type (MonoObject *obj, MonoType *t)
5949 MonoClass *klass = obj->vtable->klass;
5950 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5951 if (mono_class_is_transparent_proxy (klass)) {
5952 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5953 if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5963 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
5966 decode_vtype (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5972 gpointer iter = NULL;
5976 is_enum = decode_byte (buf, &buf, limit);
5977 /* Enums are sent as a normal vtype */
5979 return ERR_NOT_IMPLEMENTED;
5980 klass = decode_typeid (buf, &buf, limit, &d, &err);
5984 if (t && klass != mono_class_from_mono_type (t)) {
5985 char *name = mono_type_full_name (t);
5986 char *name2 = mono_type_full_name (&klass->byval_arg);
5987 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got %s.\n", (gpointer)GetCurrentThreadId (), name, name2);
5990 return ERR_INVALID_ARGUMENT;
5993 nfields = decode_int (buf, &buf, limit);
5994 while ((f = mono_class_get_fields (klass, &iter))) {
5995 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5997 if (mono_field_is_deleted (f))
5999 err = decode_value (f->type, domain, (guint8*)addr + f->offset - sizeof (MonoObject), buf, &buf, limit);
6004 g_assert (nfields == 0);
6012 decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6016 if (type != t->type && !MONO_TYPE_IS_REFERENCE (t) &&
6017 !(t->type == MONO_TYPE_I && type == MONO_TYPE_VALUETYPE) &&
6018 !(t->type == MONO_TYPE_U && type == MONO_TYPE_VALUETYPE) &&
6019 !(t->type == MONO_TYPE_PTR && type == MONO_TYPE_I8) &&
6020 !(t->type == MONO_TYPE_GENERICINST && type == MONO_TYPE_VALUETYPE)) {
6021 char *name = mono_type_full_name (t);
6022 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type);
6024 return ERR_INVALID_ARGUMENT;
6028 case MONO_TYPE_BOOLEAN:
6029 *(guint8*)addr = decode_int (buf, &buf, limit);
6031 case MONO_TYPE_CHAR:
6032 *(gunichar2*)addr = decode_int (buf, &buf, limit);
6035 *(gint8*)addr = decode_int (buf, &buf, limit);
6038 *(guint8*)addr = decode_int (buf, &buf, limit);
6041 *(gint16*)addr = decode_int (buf, &buf, limit);
6044 *(guint16*)addr = decode_int (buf, &buf, limit);
6047 *(gint32*)addr = decode_int (buf, &buf, limit);
6050 *(guint32*)addr = decode_int (buf, &buf, limit);
6053 *(gint64*)addr = decode_long (buf, &buf, limit);
6056 *(guint64*)addr = decode_long (buf, &buf, limit);
6059 *(guint32*)addr = decode_int (buf, &buf, limit);
6062 *(guint64*)addr = decode_long (buf, &buf, limit);
6065 /* We send these as I8, so we get them back as such */
6066 g_assert (type == MONO_TYPE_I8);
6067 *(gssize*)addr = decode_long (buf, &buf, limit);
6069 case MONO_TYPE_GENERICINST:
6070 if (MONO_TYPE_ISSTRUCT (t)) {
6071 /* The client sends these as a valuetype */
6079 /* We send these as vtypes, so we get them back as such */
6080 g_assert (type == MONO_TYPE_VALUETYPE);
6083 case MONO_TYPE_VALUETYPE:
6084 err = decode_vtype (t, domain, addr,buf, &buf, limit);
6090 if (MONO_TYPE_IS_REFERENCE (t)) {
6091 if (type == MONO_TYPE_OBJECT) {
6092 int objid = decode_objid (buf, &buf, limit);
6096 err = get_object (objid, (MonoObject**)&obj);
6101 if (!obj_is_of_type (obj, t)) {
6102 DEBUG_PRINTF (1, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name);
6103 return ERR_INVALID_ARGUMENT;
6106 if (obj && obj->vtable->domain != domain)
6107 return ERR_INVALID_ARGUMENT;
6109 mono_gc_wbarrier_generic_store (addr, obj);
6110 } else if (type == VALUE_TYPE_ID_NULL) {
6111 *(MonoObject**)addr = NULL;
6112 } else if (type == MONO_TYPE_VALUETYPE) {
6120 /* This can happen when round-tripping boxed vtypes */
6122 * Obtain vtype class.
6123 * Same as the beginning of the handle_vtype case above.
6126 is_enum = decode_byte (buf, &buf, limit);
6128 return ERR_NOT_IMPLEMENTED;
6129 klass = decode_typeid (buf, &buf, limit, &d, &err);
6133 /* Decode the vtype into a temporary buffer, then box it. */
6134 vtype_buf_size = mono_class_value_size (klass, NULL);
6135 vtype_buf = g_malloc0 (vtype_buf_size);
6136 g_assert (vtype_buf);
6139 err = decode_vtype (NULL, domain, vtype_buf, buf, &buf, limit);
6144 *(MonoObject**)addr = mono_value_box (d, klass, vtype_buf);
6147 char *name = mono_type_full_name (t);
6148 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type);
6150 return ERR_INVALID_ARGUMENT;
6164 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6167 int type = decode_byte (buf, &buf, limit);
6169 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
6170 MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
6171 guint8 *nullable_buf;
6174 * First try decoding it as a Nullable`1
6176 err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6181 * Then try decoding as a primitive value or null.
6183 if (targ->type == type) {
6184 nullable_buf = g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
6185 err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
6187 g_free (nullable_buf);
6190 mono_nullable_init (addr, mono_value_box (domain, mono_class_from_mono_type (targ), nullable_buf), mono_class_from_mono_type (t));
6191 g_free (nullable_buf);
6194 } else if (type == VALUE_TYPE_ID_NULL) {
6195 mono_nullable_init (addr, NULL, mono_class_from_mono_type (t));
6201 return decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6205 add_var (Buffer *buf, MonoDebugMethodJitInfo *jit, MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, gboolean as_vtype)
6209 guint8 *addr, *gaddr;
6212 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6213 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6216 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER:
6217 reg_val = mono_arch_context_get_int_reg (ctx, reg);
6219 buffer_add_value_full (buf, t, ®_val, domain, as_vtype, NULL);
6221 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6222 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6223 addr += (gint32)var->offset;
6225 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6227 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6229 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6232 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6233 case MONO_DEBUG_VAR_ADDRESS_MODE_VTADDR:
6234 /* Same as regoffset, but with an indirection */
6235 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6236 addr += (gint32)var->offset;
6238 gaddr = *(gpointer*)addr;
6240 buffer_add_value_full (buf, t, gaddr, domain, as_vtype, NULL);
6242 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL: {
6243 MonoDebugVarInfo *info_var = jit->gsharedvt_info_var;
6244 MonoDebugVarInfo *locals_var = jit->gsharedvt_locals_var;
6245 MonoGSharedVtMethodRuntimeInfo *info;
6251 g_assert (info_var);
6252 g_assert (locals_var);
6254 flags = info_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6255 reg = info_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6256 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6257 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6258 addr += (gint32)info_var->offset;
6259 info = *(gpointer*)addr;
6260 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6261 info = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6263 g_assert_not_reached ();
6267 flags = locals_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6268 reg = locals_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6269 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6270 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6271 addr += (gint32)locals_var->offset;
6272 locals = *(gpointer*)addr;
6273 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6274 locals = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6276 g_assert_not_reached ();
6280 addr = locals + GPOINTER_TO_INT (info->entries [idx]);
6282 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6287 g_assert_not_reached ();
6292 set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, guint8 *val, mgreg_t **reg_locations, MonoContext *restore_ctx)
6296 guint8 *addr, *gaddr;
6298 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6299 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6301 if (MONO_TYPE_IS_REFERENCE (t))
6302 size = sizeof (gpointer);
6304 size = mono_class_value_size (mono_class_from_mono_type (t), NULL);
6307 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER: {
6308 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
6310 gboolean is_signed = FALSE;
6313 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6316 // FIXME: Write barriers
6317 mono_gc_memmove_atomic (addr, val, size);
6322 if (!t->byref && (t->type == MONO_TYPE_I1 || t->type == MONO_TYPE_I2 || t->type == MONO_TYPE_I4 || t->type == MONO_TYPE_I8))
6327 v = is_signed ? *(gint8*)val : *(guint8*)val;
6330 v = is_signed ? *(gint16*)val : *(guint16*)val;
6333 v = is_signed ? *(gint32*)val : *(guint32*)val;
6336 v = is_signed ? *(gint64*)val : *(guint64*)val;
6339 g_assert_not_reached ();
6342 /* Set value on the stack or in the return ctx */
6343 if (reg_locations [reg]) {
6344 /* Saved on the stack */
6345 DEBUG_PRINTF (1, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations [reg], reg, (gpointer)v);
6346 *(reg_locations [reg]) = v;
6349 DEBUG_PRINTF (1, "[dbg] Setting context location for reg %x to %p.\n", reg, (gpointer)v);
6350 mono_arch_context_set_int_reg (restore_ctx, reg, v);
6353 // FIXME: Move these to mono-context.h/c.
6354 mono_arch_context_set_int_reg (ctx, reg, v);
6356 // FIXME: Can't set registers, so we disable linears
6361 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6362 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6363 addr += (gint32)var->offset;
6365 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6368 addr = *(guint8**)addr;
6374 // FIXME: Write barriers
6375 mono_gc_memmove_atomic (addr, val, size);
6377 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6378 /* Same as regoffset, but with an indirection */
6379 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6380 addr += (gint32)var->offset;
6382 gaddr = *(gpointer*)addr;
6384 // FIXME: Write barriers
6385 mono_gc_memmove_atomic (gaddr, val, size);
6387 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6391 g_assert_not_reached ();
6396 clear_event_request (int req_id, int etype)
6400 mono_loader_lock ();
6401 for (i = 0; i < event_requests->len; ++i) {
6402 EventRequest *req = g_ptr_array_index (event_requests, i);
6404 if (req->id == req_id && req->event_kind == etype) {
6405 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6406 clear_breakpoint (req->info);
6407 if (req->event_kind == EVENT_KIND_STEP)
6408 ss_destroy (req->info);
6409 if (req->event_kind == EVENT_KIND_METHOD_ENTRY)
6410 clear_breakpoint (req->info);
6411 if (req->event_kind == EVENT_KIND_METHOD_EXIT)
6412 clear_breakpoint (req->info);
6413 g_ptr_array_remove_index_fast (event_requests, i);
6418 mono_loader_unlock ();
6422 clear_assembly_from_modifier (EventRequest *req, Modifier *m, MonoAssembly *assembly)
6426 if (m->kind == MOD_KIND_EXCEPTION_ONLY && m->data.exc_class && m->data.exc_class->image->assembly == assembly)
6427 m->kind = MOD_KIND_NONE;
6428 if (m->kind == MOD_KIND_ASSEMBLY_ONLY && m->data.assemblies) {
6429 int count = 0, match_count = 0, pos;
6430 MonoAssembly **newassemblies;
6432 for (i = 0; m->data.assemblies [i]; ++i) {
6434 if (m->data.assemblies [i] == assembly)
6439 newassemblies = g_new0 (MonoAssembly*, count - match_count);
6442 for (i = 0; i < count; ++i)
6443 if (m->data.assemblies [i] != assembly)
6444 newassemblies [pos ++] = m->data.assemblies [i];
6445 g_assert (pos == count - match_count);
6446 g_free (m->data.assemblies);
6447 m->data.assemblies = newassemblies;
6453 clear_assembly_from_modifiers (EventRequest *req, MonoAssembly *assembly)
6457 for (i = 0; i < req->nmodifiers; ++i) {
6458 Modifier *m = &req->modifiers [i];
6460 clear_assembly_from_modifier (req, m, assembly);
6465 * clear_event_requests_for_assembly:
6467 * Clear all events requests which reference ASSEMBLY.
6470 clear_event_requests_for_assembly (MonoAssembly *assembly)
6475 mono_loader_lock ();
6479 for (i = 0; i < event_requests->len; ++i) {
6480 EventRequest *req = g_ptr_array_index (event_requests, i);
6482 clear_assembly_from_modifiers (req, assembly);
6484 if (req->event_kind == EVENT_KIND_BREAKPOINT && breakpoint_matches_assembly (req->info, assembly)) {
6485 clear_event_request (req->id, req->event_kind);
6490 if (req->event_kind == EVENT_KIND_STEP)
6491 ss_clear_for_assembly (req->info, assembly);
6494 mono_loader_unlock ();
6498 * type_comes_from_assembly:
6500 * GHRFunc that returns TRUE if klass comes from assembly
6503 type_comes_from_assembly (gpointer klass, gpointer also_klass, gpointer assembly)
6505 return (mono_class_get_image ((MonoClass*)klass) == mono_assembly_get_image ((MonoAssembly*)assembly));
6509 * clear_types_for_assembly:
6511 * Clears types from loaded_classes for a given assembly
6514 clear_types_for_assembly (MonoAssembly *assembly)
6516 MonoDomain *domain = mono_domain_get ();
6517 AgentDomainInfo *info = NULL;
6519 if (!domain || !domain_jit_info (domain))
6520 /* Can happen during shutdown */
6523 mono_loader_lock ();
6524 info = get_agent_domain_info (domain);
6525 g_hash_table_foreach_remove (info->loaded_classes, type_comes_from_assembly, assembly);
6526 mono_loader_unlock ();
6530 add_thread (gpointer key, gpointer value, gpointer user_data)
6532 MonoInternalThread *thread = value;
6533 Buffer *buf = user_data;
6535 buffer_add_objid (buf, (MonoObject*)thread);
6539 do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
6541 guint8 *end = invoke->endp;
6544 MonoMethodSignature *sig;
6547 MonoObject *this, *res, *exc;
6550 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6553 MonoStopwatch watch;
6555 if (invoke->method) {
6557 * Invoke this method directly, currently only Environment.Exit () is supported.
6560 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>");
6561 mono_runtime_invoke (invoke->method, NULL, invoke->args, &exc);
6562 g_assert_not_reached ();
6565 m = decode_methodid (p, &p, end, &domain, &err);
6568 sig = mono_method_signature (m);
6570 if (m->klass->valuetype)
6571 this_buf = g_alloca (mono_class_instance_size (m->klass));
6573 this_buf = g_alloca (sizeof (MonoObject*));
6574 if (m->klass->valuetype && (m->flags & METHOD_ATTRIBUTE_STATIC)) {
6575 /* Should be null */
6576 int type = decode_byte (p, &p, end);
6577 if (type != VALUE_TYPE_ID_NULL) {
6578 DEBUG_PRINTF (1, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer)GetCurrentThreadId ());
6579 return ERR_INVALID_ARGUMENT;
6581 memset (this_buf, 0, mono_class_instance_size (m->klass));
6583 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6588 if (!m->klass->valuetype)
6589 this = *(MonoObject**)this_buf;
6593 if (MONO_CLASS_IS_INTERFACE (m->klass)) {
6595 DEBUG_PRINTF (1, "[%p] Error: Interface method invoked without this argument.\n", (gpointer)GetCurrentThreadId ());
6596 return ERR_INVALID_ARGUMENT;
6598 m = mono_object_get_virtual_method (this, m);
6599 } else if ((m->flags & METHOD_ATTRIBUTE_VIRTUAL) && !m->klass->valuetype && invoke->flags & INVOKE_FLAG_VIRTUAL) {
6601 DEBUG_PRINTF (1, "[%p] Error: invoke with INVOKE_FLAG_VIRTUAL flag set without this argument.\n", (gpointer)GetCurrentThreadId ());
6602 return ERR_INVALID_ARGUMENT;
6604 m = mono_object_get_virtual_method (this, m);
6607 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>");
6609 if (this && this->vtable->domain != domain)
6612 if (!m->klass->valuetype && !(m->flags & METHOD_ATTRIBUTE_STATIC) && !this) {
6613 if (!strcmp (m->name, ".ctor")) {
6614 if (m->klass->flags & TYPE_ATTRIBUTE_ABSTRACT)
6615 return ERR_INVALID_ARGUMENT;
6617 this = mono_object_new (domain, m->klass);
6619 return ERR_INVALID_ARGUMENT;
6623 if (this && !obj_is_of_type (this, &m->klass->byval_arg))
6624 return ERR_INVALID_ARGUMENT;
6626 nargs = decode_int (p, &p, end);
6627 if (nargs != sig->param_count)
6628 return ERR_INVALID_ARGUMENT;
6629 /* Use alloca to get gc tracking */
6630 arg_buf = g_alloca (nargs * sizeof (gpointer));
6631 memset (arg_buf, 0, nargs * sizeof (gpointer));
6632 args = g_alloca (nargs * sizeof (gpointer));
6633 for (i = 0; i < nargs; ++i) {
6634 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
6635 err = decode_value (sig->params [i], domain, (guint8*)&args [i], p, &p, end);
6638 if (args [i] && ((MonoObject*)args [i])->vtable->domain != domain)
6641 if (sig->params [i]->byref) {
6642 arg_buf [i] = g_alloca (sizeof (mgreg_t));
6643 *(gpointer*)arg_buf [i] = args [i];
6644 args [i] = arg_buf [i];
6647 arg_buf [i] = g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig->params [i])));
6648 err = decode_value (sig->params [i], domain, arg_buf [i], p, &p, end);
6651 args [i] = arg_buf [i];
6658 if (invoke->flags & INVOKE_FLAG_DISABLE_BREAKPOINTS)
6659 tls->disable_breakpoints = TRUE;
6661 tls->disable_breakpoints = FALSE;
6664 * Add an LMF frame to link the stack frames on the invoke method with our caller.
6666 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6667 if (invoke->has_ctx) {
6670 lmf_addr = mono_get_lmf_addr ();
6673 memset (&ext, 0, sizeof (ext));
6674 mono_arch_init_lmf_ext (&ext, *lmf_addr);
6676 ext.debugger_invoke = TRUE;
6677 memcpy (&ext.ctx, &invoke->ctx, sizeof (MonoContext));
6679 mono_set_lmf ((MonoLMF*)&ext);
6683 mono_stopwatch_start (&watch);
6684 if (m->klass->valuetype)
6685 res = mono_runtime_invoke (m, this_buf, args, &exc);
6687 res = mono_runtime_invoke (m, this, args, &exc);
6688 mono_stopwatch_stop (&watch);
6689 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));
6691 buffer_add_byte (buf, 0);
6692 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &exc, domain);
6694 gboolean out_this = FALSE;
6695 gboolean out_args = FALSE;
6697 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_THIS) && CHECK_PROTOCOL_VERSION (2, 35))
6699 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_ARGS) && CHECK_PROTOCOL_VERSION (2, 35))
6701 buffer_add_byte (buf, 1 + (out_this ? 2 : 0) + (out_args ? 4 : 0));
6702 if (sig->ret->type == MONO_TYPE_VOID) {
6703 if (!strcmp (m->name, ".ctor") && !m->klass->valuetype) {
6704 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this, domain);
6707 buffer_add_value (buf, &mono_defaults.void_class->byval_arg, NULL, domain);
6708 } else if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
6709 buffer_add_value (buf, sig->ret, &res, domain);
6710 } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
6711 if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
6712 MonoClass *k = mono_class_from_mono_type (sig->ret);
6713 guint8 *nullable_buf = g_alloca (mono_class_value_size (k, NULL));
6715 g_assert (nullable_buf);
6716 mono_nullable_init (nullable_buf, res, k);
6717 buffer_add_value (buf, sig->ret, nullable_buf, domain);
6720 buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
6726 /* Return the new value of the receiver after the call */
6727 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6729 buffer_add_int (buf, nargs);
6730 for (i = 0; i < nargs; ++i) {
6731 if (MONO_TYPE_IS_REFERENCE (sig->params [i]))
6732 buffer_add_value (buf, sig->params [i], &args [i], domain);
6733 else if (sig->params [i]->byref)
6734 /* add_value () does an indirection */
6735 buffer_add_value (buf, sig->params [i], &arg_buf [i], domain);
6737 buffer_add_value (buf, sig->params [i], arg_buf [i], domain);
6742 tls->disable_breakpoints = FALSE;
6744 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6745 if (invoke->has_ctx)
6746 mono_set_lmf ((gpointer)(((gssize)ext.lmf.previous_lmf) & ~3));
6750 // FIXME: byref arguments
6758 * Invoke the method given by tls->pending_invoke in the current thread.
6761 invoke_method (void)
6763 DebuggerTlsData *tls;
6768 MonoContext restore_ctx;
6771 tls = mono_native_tls_get_value (debugger_tls_id);
6775 * Store the `InvokeData *' in `tls->invoke' until we're done with
6776 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
6779 mono_loader_lock ();
6781 invoke = tls->pending_invoke;
6783 tls->pending_invoke = NULL;
6785 invoke->last_invoke = tls->invoke;
6786 tls->invoke = invoke;
6788 mono_loader_unlock ();
6790 tls->frames_up_to_date = FALSE;
6796 for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
6797 buffer_init (&buf, 128);
6800 /* Fail the other invokes as well */
6802 err = do_invoke_method (tls, &buf, invoke, p, &p);
6805 /* Start suspending before sending the reply */
6806 if (mindex == invoke->nmethods - 1) {
6807 if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
6808 for (i = 0; i < invoke->suspend_count; ++i)
6813 send_reply_packet (id, err, &buf);
6818 memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
6820 if (invoke->has_ctx)
6821 save_thread_context (&restore_ctx);
6823 if (invoke->flags & INVOKE_FLAG_SINGLE_THREADED) {
6824 g_assert (tls->resume_count);
6825 tls->resume_count -= invoke->suspend_count;
6828 DEBUG_PRINTF (1, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer)GetCurrentThreadId (), err, tls->resume_count);
6831 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
6833 * It is possible that ves_icall_System_Threading_Thread_Abort () was called
6834 * after the mono_runtime_invoke() already returned, but it doesn't matter
6835 * because we reset the abort here.
6838 mono_loader_lock ();
6840 if (tls->abort_requested)
6841 mono_thread_internal_reset_abort (tls->thread);
6843 tls->invoke = tls->invoke->last_invoke;
6844 tls->abort_requested = FALSE;
6846 mono_loader_unlock ();
6855 is_really_suspended (gpointer key, gpointer value, gpointer user_data)
6857 MonoThread *thread = value;
6858 DebuggerTlsData *tls;
6861 mono_loader_lock ();
6862 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6864 res = tls->really_suspended;
6865 mono_loader_unlock ();
6871 get_source_files_for_type (MonoClass *klass)
6873 gpointer iter = NULL;
6875 MonoDebugSourceInfo *sinfo;
6879 files = g_ptr_array_new ();
6881 while ((method = mono_class_get_methods (klass, &iter))) {
6882 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
6883 GPtrArray *source_file_list;
6886 mono_debug_symfile_get_line_numbers_full (minfo, NULL, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
6887 for (j = 0; j < source_file_list->len; ++j) {
6888 sinfo = g_ptr_array_index (source_file_list, j);
6889 for (i = 0; i < files->len; ++i)
6890 if (!strcmp (g_ptr_array_index (files, i), sinfo->source_file))
6892 if (i == files->len)
6893 g_ptr_array_add (files, g_strdup (sinfo->source_file));
6895 g_ptr_array_free (source_file_list, TRUE);
6903 vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
6906 case CMD_VM_VERSION: {
6907 char *build_info, *version;
6909 build_info = mono_get_runtime_build_info ();
6910 version = g_strdup_printf ("mono %s", build_info);
6912 buffer_add_string (buf, version); /* vm version */
6913 buffer_add_int (buf, MAJOR_VERSION);
6914 buffer_add_int (buf, MINOR_VERSION);
6915 g_free (build_info);
6919 case CMD_VM_SET_PROTOCOL_VERSION: {
6920 major_version = decode_int (p, &p, end);
6921 minor_version = decode_int (p, &p, end);
6922 protocol_version_set = TRUE;
6923 DEBUG_PRINTF (1, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION, MINOR_VERSION, major_version, minor_version);
6926 case CMD_VM_ALL_THREADS: {
6928 mono_loader_lock ();
6929 buffer_add_int (buf, mono_g_hash_table_size (tid_to_thread_obj));
6930 mono_g_hash_table_foreach (tid_to_thread_obj, add_thread, buf);
6931 mono_loader_unlock ();
6934 case CMD_VM_SUSPEND:
6936 wait_for_suspend ();
6939 if (suspend_count == 0)
6940 return ERR_NOT_SUSPENDED;
6942 clear_suspended_objs ();
6944 case CMD_VM_DISPOSE:
6945 /* Clear all event requests */
6946 mono_loader_lock ();
6947 while (event_requests->len > 0) {
6948 EventRequest *req = g_ptr_array_index (event_requests, 0);
6950 clear_event_request (req->id, req->event_kind);
6952 mono_loader_unlock ();
6954 while (suspend_count > 0)
6956 disconnected = TRUE;
6957 vm_start_event_sent = FALSE;
6960 MonoInternalThread *thread;
6961 DebuggerTlsData *tls;
6962 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6963 MonoClass *env_class;
6965 MonoMethod *exit_method = NULL;
6969 exit_code = decode_int (p, &p, end);
6971 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
6973 /* Have to send a reply before exiting */
6974 send_reply_packet (id, 0, buf);
6976 /* Clear all event requests */
6977 mono_loader_lock ();
6978 while (event_requests->len > 0) {
6979 EventRequest *req = g_ptr_array_index (event_requests, 0);
6981 clear_event_request (req->id, req->event_kind);
6983 mono_loader_unlock ();
6986 * The JDWP documentation says that the shutdown is not orderly. It doesn't
6987 * specify whenever a VM_DEATH event is sent. We currently do an orderly
6988 * shutdown by hijacking a thread to execute Environment.Exit (). This is
6989 * better than doing the shutdown ourselves, since it avoids various races.
6993 wait_for_suspend ();
6995 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6996 env_class = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
6998 exit_method = mono_class_get_method_from_name (env_class, "Exit", 1);
7001 mono_loader_lock ();
7002 thread = mono_g_hash_table_find (tid_to_thread, is_really_suspended, NULL);
7003 mono_loader_unlock ();
7005 if (thread && exit_method) {
7006 mono_loader_lock ();
7007 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
7008 mono_loader_unlock ();
7010 args = g_new0 (gpointer, 1);
7011 args [0] = g_malloc (sizeof (int));
7012 *(int*)(args [0]) = exit_code;
7014 tls->pending_invoke = g_new0 (InvokeData, 1);
7015 tls->pending_invoke->method = exit_method;
7016 tls->pending_invoke->args = args;
7017 tls->pending_invoke->nmethods = 1;
7019 while (suspend_count > 0)
7023 * No thread found, do it ourselves.
7024 * FIXME: This can race with normal shutdown etc.
7026 while (suspend_count > 0)
7029 if (!mono_runtime_try_shutdown ())
7032 mono_environment_exitcode_set (exit_code);
7034 /* Suspend all managed threads since the runtime is going away */
7035 DEBUG_PRINTF (1, "Suspending all threads...\n");
7036 mono_thread_suspend_all_other_threads ();
7037 DEBUG_PRINTF (1, "Shutting down the runtime...\n");
7038 mono_runtime_quit ();
7039 transport_close2 ();
7040 DEBUG_PRINTF (1, "Exiting...\n");
7046 case CMD_VM_INVOKE_METHOD:
7047 case CMD_VM_INVOKE_METHODS: {
7048 int objid = decode_objid (p, &p, end);
7050 DebuggerTlsData *tls;
7051 int i, count, err, flags, nmethods;
7053 err = get_object (objid, (MonoObject**)&thread);
7057 flags = decode_int (p, &p, end);
7059 if (command == CMD_VM_INVOKE_METHODS)
7060 nmethods = decode_int (p, &p, end);
7064 // Wait for suspending if it already started
7066 wait_for_suspend ();
7067 if (!is_suspended ())
7068 return ERR_NOT_SUSPENDED;
7070 mono_loader_lock ();
7071 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7072 mono_loader_unlock ();
7075 if (!tls->really_suspended)
7076 /* The thread is still running native code, can't do invokes */
7077 return ERR_NOT_SUSPENDED;
7080 * Store the invoke data into tls, the thread will execute it after it is
7083 if (tls->pending_invoke)
7084 return ERR_NOT_SUSPENDED;
7085 tls->pending_invoke = g_new0 (InvokeData, 1);
7086 tls->pending_invoke->id = id;
7087 tls->pending_invoke->flags = flags;
7088 tls->pending_invoke->p = g_malloc (end - p);
7089 memcpy (tls->pending_invoke->p, p, end - p);
7090 tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
7091 tls->pending_invoke->suspend_count = suspend_count;
7092 tls->pending_invoke->nmethods = nmethods;
7094 if (flags & INVOKE_FLAG_SINGLE_THREADED) {
7095 resume_thread (THREAD_TO_INTERNAL (thread));
7098 count = suspend_count;
7099 for (i = 0; i < count; ++i)
7104 case CMD_VM_ABORT_INVOKE: {
7105 int objid = decode_objid (p, &p, end);
7107 DebuggerTlsData *tls;
7110 err = get_object (objid, (MonoObject**)&thread);
7114 invoke_id = decode_int (p, &p, end);
7116 mono_loader_lock ();
7117 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7120 if (tls->abort_requested) {
7121 mono_loader_unlock ();
7126 * Check whether we're still inside the mono_runtime_invoke() and that it's
7127 * actually the correct invocation.
7129 * Careful, we do not stop the thread that's doing the invocation, so we can't
7130 * inspect its stack. However, invoke_method() also acquires the loader lock
7131 * when it's done, so we're safe here.
7135 if (!tls->invoke || (tls->invoke->id != invoke_id)) {
7136 mono_loader_unlock ();
7137 return ERR_NO_INVOCATION;
7140 tls->abort_requested = TRUE;
7142 ves_icall_System_Threading_Thread_Abort (THREAD_TO_INTERNAL (thread), NULL);
7143 mono_loader_unlock ();
7147 case CMD_VM_SET_KEEPALIVE: {
7148 int timeout = decode_int (p, &p, end);
7149 agent_config.keepalive = timeout;
7151 #ifndef DISABLE_SOCKET_TRANSPORT
7158 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE: {
7159 GHashTableIter iter, kiter;
7164 char *fname, *basename;
7165 gboolean ignore_case;
7166 GSList *class_list, *l;
7167 GPtrArray *res_classes, *res_domains;
7169 fname = decode_string (p, &p, end);
7170 ignore_case = decode_byte (p, &p, end);
7172 basename = dbg_path_get_basename (fname);
7174 res_classes = g_ptr_array_new ();
7175 res_domains = g_ptr_array_new ();
7177 mono_loader_lock ();
7178 g_hash_table_iter_init (&iter, domains);
7179 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7180 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
7182 /* Update 'source_file_to_class' cache */
7183 g_hash_table_iter_init (&kiter, info->loaded_classes);
7184 while (g_hash_table_iter_next (&kiter, NULL, (void**)&klass)) {
7185 if (!g_hash_table_lookup (info->source_files, klass)) {
7186 files = get_source_files_for_type (klass);
7187 g_hash_table_insert (info->source_files, klass, files);
7189 for (i = 0; i < files->len; ++i) {
7190 char *s = g_ptr_array_index (files, i);
7191 char *s2 = dbg_path_get_basename (s);
7194 class_list = g_hash_table_lookup (info->source_file_to_class, s2);
7196 class_list = g_slist_prepend (class_list, klass);
7197 g_hash_table_insert (info->source_file_to_class, g_strdup (s2), class_list);
7199 class_list = g_slist_prepend (class_list, klass);
7200 g_hash_table_insert (info->source_file_to_class, s2, class_list);
7203 /* The _ignorecase hash contains the lowercase path */
7204 s3 = strdup_tolower (s2);
7205 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s3);
7207 class_list = g_slist_prepend (class_list, klass);
7208 g_hash_table_insert (info->source_file_to_class_ignorecase, g_strdup (s3), class_list);
7210 class_list = g_slist_prepend (class_list, klass);
7211 g_hash_table_insert (info->source_file_to_class_ignorecase, s3, class_list);
7223 s = strdup_tolower (basename);
7224 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s);
7227 class_list = g_hash_table_lookup (info->source_file_to_class, basename);
7230 for (l = class_list; l; l = l->next) {
7233 g_ptr_array_add (res_classes, klass);
7234 g_ptr_array_add (res_domains, domain);
7237 mono_loader_unlock ();
7242 buffer_add_int (buf, res_classes->len);
7243 for (i = 0; i < res_classes->len; ++i)
7244 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7245 g_ptr_array_free (res_classes, TRUE);
7246 g_ptr_array_free (res_domains, TRUE);
7249 case CMD_VM_GET_TYPES: {
7250 GHashTableIter iter;
7254 gboolean ignore_case;
7255 GPtrArray *res_classes, *res_domains;
7256 MonoTypeNameParse info;
7258 name = decode_string (p, &p, end);
7259 ignore_case = decode_byte (p, &p, end);
7261 if (!mono_reflection_parse_type (name, &info)) {
7263 mono_reflection_free_type_info (&info);
7264 return ERR_INVALID_ARGUMENT;
7267 res_classes = g_ptr_array_new ();
7268 res_domains = g_ptr_array_new ();
7270 mono_loader_lock ();
7271 g_hash_table_iter_init (&iter, domains);
7272 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7274 gboolean type_resolve;
7278 mono_domain_assemblies_lock (domain);
7279 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7283 type_resolve = TRUE;
7284 t = mono_reflection_get_type (ass->image, &info, ignore_case, &type_resolve);
7286 g_ptr_array_add (res_classes, mono_type_get_class (t));
7287 g_ptr_array_add (res_domains, domain);
7291 mono_domain_assemblies_unlock (domain);
7293 mono_loader_unlock ();
7296 mono_reflection_free_type_info (&info);
7298 buffer_add_int (buf, res_classes->len);
7299 for (i = 0; i < res_classes->len; ++i)
7300 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7301 g_ptr_array_free (res_classes, TRUE);
7302 g_ptr_array_free (res_domains, TRUE);
7305 case CMD_VM_START_BUFFERING:
7306 case CMD_VM_STOP_BUFFERING:
7307 /* Handled in the main loop */
7310 return ERR_NOT_IMPLEMENTED;
7317 event_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7323 case CMD_EVENT_REQUEST_SET: {
7325 int i, event_kind, suspend_policy, nmodifiers, mod;
7328 MonoThread *step_thread;
7329 int size = 0, depth = 0, filter = 0, step_thread_id = 0;
7333 event_kind = decode_byte (p, &p, end);
7334 suspend_policy = decode_byte (p, &p, end);
7335 nmodifiers = decode_byte (p, &p, end);
7337 req = g_malloc0 (sizeof (EventRequest) + (nmodifiers * sizeof (Modifier)));
7338 req->id = InterlockedIncrement (&event_request_id);
7339 req->event_kind = event_kind;
7340 req->suspend_policy = suspend_policy;
7341 req->nmodifiers = nmodifiers;
7344 for (i = 0; i < nmodifiers; ++i) {
7345 mod = decode_byte (p, &p, end);
7347 req->modifiers [i].kind = mod;
7348 if (mod == MOD_KIND_COUNT) {
7349 req->modifiers [i].data.count = decode_int (p, &p, end);
7350 } else if (mod == MOD_KIND_LOCATION_ONLY) {
7351 method = decode_methodid (p, &p, end, &domain, &err);
7354 location = decode_long (p, &p, end);
7355 } else if (mod == MOD_KIND_STEP) {
7356 step_thread_id = decode_id (p, &p, end);
7357 size = decode_int (p, &p, end);
7358 depth = decode_int (p, &p, end);
7359 if (CHECK_PROTOCOL_VERSION (2, 16))
7360 filter = decode_int (p, &p, end);
7361 req->modifiers [i].data.filter = filter;
7362 if (!CHECK_PROTOCOL_VERSION (2, 26) && (req->modifiers [i].data.filter & STEP_FILTER_DEBUGGER_HIDDEN))
7363 /* Treat STEP_THOUGH the same as HIDDEN */
7364 req->modifiers [i].data.filter |= STEP_FILTER_DEBUGGER_STEP_THROUGH;
7365 } else if (mod == MOD_KIND_THREAD_ONLY) {
7366 int id = decode_id (p, &p, end);
7368 err = get_object (id, (MonoObject**)&req->modifiers [i].data.thread);
7373 } else if (mod == MOD_KIND_EXCEPTION_ONLY) {
7374 MonoClass *exc_class = decode_typeid (p, &p, end, &domain, &err);
7378 req->modifiers [i].caught = decode_byte (p, &p, end);
7379 req->modifiers [i].uncaught = decode_byte (p, &p, end);
7380 if (CHECK_PROTOCOL_VERSION (2, 25))
7381 req->modifiers [i].subclasses = decode_byte (p, &p, end);
7383 req->modifiers [i].subclasses = TRUE;
7384 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" : "");
7386 req->modifiers [i].data.exc_class = exc_class;
7388 if (!mono_class_is_assignable_from (mono_defaults.exception_class, exc_class)) {
7390 return ERR_INVALID_ARGUMENT;
7393 } else if (mod == MOD_KIND_ASSEMBLY_ONLY) {
7394 int n = decode_int (p, &p, end);
7397 req->modifiers [i].data.assemblies = g_new0 (MonoAssembly*, n);
7398 for (j = 0; j < n; ++j) {
7399 req->modifiers [i].data.assemblies [j] = decode_assemblyid (p, &p, end, &domain, &err);
7401 g_free (req->modifiers [i].data.assemblies);
7405 } else if (mod == MOD_KIND_SOURCE_FILE_ONLY) {
7406 int n = decode_int (p, &p, end);
7409 modifier = &req->modifiers [i];
7410 modifier->data.source_files = g_hash_table_new (g_str_hash, g_str_equal);
7411 for (j = 0; j < n; ++j) {
7412 char *s = decode_string (p, &p, end);
7416 s2 = strdup_tolower (s);
7417 g_hash_table_insert (modifier->data.source_files, s2, s2);
7421 } else if (mod == MOD_KIND_TYPE_NAME_ONLY) {
7422 int n = decode_int (p, &p, end);
7425 modifier = &req->modifiers [i];
7426 modifier->data.type_names = g_hash_table_new (g_str_hash, g_str_equal);
7427 for (j = 0; j < n; ++j) {
7428 char *s = decode_string (p, &p, end);
7431 g_hash_table_insert (modifier->data.type_names, s, s);
7435 return ERR_NOT_IMPLEMENTED;
7439 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7442 req->info = set_breakpoint (method, location, req, &error);
7443 if (!mono_error_ok (&error)) {
7445 DEBUG_PRINTF (1, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error));
7446 mono_error_cleanup (&error);
7447 return ERR_NO_SEQ_POINT_AT_IL_OFFSET;
7449 } else if (req->event_kind == EVENT_KIND_STEP) {
7450 g_assert (step_thread_id);
7452 err = get_object (step_thread_id, (MonoObject**)&step_thread);
7458 err = ss_create (THREAD_TO_INTERNAL (step_thread), size, depth, filter, req);
7463 } else if (req->event_kind == EVENT_KIND_METHOD_ENTRY) {
7464 req->info = set_breakpoint (NULL, METHOD_ENTRY_IL_OFFSET, req, NULL);
7465 } else if (req->event_kind == EVENT_KIND_METHOD_EXIT) {
7466 req->info = set_breakpoint (NULL, METHOD_EXIT_IL_OFFSET, req, NULL);
7467 } else if (req->event_kind == EVENT_KIND_EXCEPTION) {
7468 } else if (req->event_kind == EVENT_KIND_TYPE_LOAD) {
7470 if (req->nmodifiers) {
7472 return ERR_NOT_IMPLEMENTED;
7476 mono_loader_lock ();
7477 g_ptr_array_add (event_requests, req);
7479 if (agent_config.defer) {
7480 /* Transmit cached data to the client on receipt of the event request */
7481 switch (req->event_kind) {
7482 case EVENT_KIND_APPDOMAIN_CREATE:
7483 /* Emit load events for currently loaded domains */
7484 g_hash_table_foreach (domains, emit_appdomain_load, NULL);
7486 case EVENT_KIND_ASSEMBLY_LOAD:
7487 /* Emit load events for currently loaded assemblies */
7488 mono_assembly_foreach (emit_assembly_load, NULL);
7490 case EVENT_KIND_THREAD_START:
7491 /* Emit start events for currently started threads */
7492 mono_g_hash_table_foreach (tid_to_thread, emit_thread_start, NULL);
7494 case EVENT_KIND_TYPE_LOAD:
7495 /* Emit type load events for currently loaded types */
7496 mono_domain_foreach (send_types_for_domain, NULL);
7502 mono_loader_unlock ();
7504 buffer_add_int (buf, req->id);
7507 case CMD_EVENT_REQUEST_CLEAR: {
7508 int etype = decode_byte (p, &p, end);
7509 int req_id = decode_int (p, &p, end);
7511 // FIXME: Make a faster mapping from req_id to request
7512 mono_loader_lock ();
7513 clear_event_request (req_id, etype);
7514 mono_loader_unlock ();
7517 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS: {
7520 mono_loader_lock ();
7522 while (i < event_requests->len) {
7523 EventRequest *req = g_ptr_array_index (event_requests, i);
7525 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7526 clear_breakpoint (req->info);
7528 g_ptr_array_remove_index_fast (event_requests, i);
7534 mono_loader_unlock ();
7538 return ERR_NOT_IMPLEMENTED;
7545 domain_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7551 case CMD_APPDOMAIN_GET_ROOT_DOMAIN: {
7552 buffer_add_domainid (buf, mono_get_root_domain ());
7555 case CMD_APPDOMAIN_GET_FRIENDLY_NAME: {
7556 domain = decode_domainid (p, &p, end, NULL, &err);
7559 buffer_add_string (buf, domain->friendly_name);
7562 case CMD_APPDOMAIN_GET_ASSEMBLIES: {
7567 domain = decode_domainid (p, &p, end, NULL, &err);
7570 mono_loader_lock ();
7572 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7575 buffer_add_int (buf, count);
7576 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7578 buffer_add_assemblyid (buf, domain, ass);
7580 mono_loader_unlock ();
7583 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY: {
7584 domain = decode_domainid (p, &p, end, NULL, &err);
7588 buffer_add_assemblyid (buf, domain, domain->entry_assembly);
7591 case CMD_APPDOMAIN_GET_CORLIB: {
7592 domain = decode_domainid (p, &p, end, NULL, &err);
7596 buffer_add_assemblyid (buf, domain, domain->domain->mbr.obj.vtable->klass->image->assembly);
7599 case CMD_APPDOMAIN_CREATE_STRING: {
7603 domain = decode_domainid (p, &p, end, NULL, &err);
7606 s = decode_string (p, &p, end);
7608 o = mono_string_new (domain, s);
7609 buffer_add_objid (buf, (MonoObject*)o);
7612 case CMD_APPDOMAIN_CREATE_BOXED_VALUE: {
7614 MonoDomain *domain2;
7617 domain = decode_domainid (p, &p, end, NULL, &err);
7620 klass = decode_typeid (p, &p, end, &domain2, &err);
7625 g_assert (domain == domain2);
7627 o = mono_object_new (domain, klass);
7629 err = decode_value (&klass->byval_arg, domain, mono_object_unbox (o), p, &p, end);
7633 buffer_add_objid (buf, o);
7637 return ERR_NOT_IMPLEMENTED;
7644 assembly_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7650 ass = decode_assemblyid (p, &p, end, &domain, &err);
7655 case CMD_ASSEMBLY_GET_LOCATION: {
7656 buffer_add_string (buf, mono_image_get_filename (ass->image));
7659 case CMD_ASSEMBLY_GET_ENTRY_POINT: {
7663 if (ass->image->dynamic) {
7664 buffer_add_id (buf, 0);
7666 token = mono_image_get_entry_point (ass->image);
7668 buffer_add_id (buf, 0);
7670 m = mono_get_method (ass->image, token, NULL);
7671 buffer_add_methodid (buf, domain, m);
7676 case CMD_ASSEMBLY_GET_MANIFEST_MODULE: {
7677 buffer_add_moduleid (buf, domain, ass->image);
7680 case CMD_ASSEMBLY_GET_OBJECT: {
7681 MonoObject *o = (MonoObject*)mono_assembly_get_object (domain, ass);
7682 buffer_add_objid (buf, o);
7685 case CMD_ASSEMBLY_GET_TYPE: {
7686 char *s = decode_string (p, &p, end);
7687 gboolean ignorecase = decode_byte (p, &p, end);
7688 MonoTypeNameParse info;
7690 gboolean type_resolve, res;
7691 MonoDomain *d = mono_domain_get ();
7693 /* This is needed to be able to find referenced assemblies */
7694 res = mono_domain_set (domain, FALSE);
7697 if (!mono_reflection_parse_type (s, &info)) {
7700 if (info.assembly.name)
7702 t = mono_reflection_get_type (ass->image, &info, ignorecase, &type_resolve);
7704 buffer_add_typeid (buf, domain, t ? mono_class_from_mono_type (t) : NULL);
7705 mono_reflection_free_type_info (&info);
7708 mono_domain_set (d, TRUE);
7712 case CMD_ASSEMBLY_GET_NAME: {
7714 MonoAssembly *mass = ass;
7716 name = g_strdup_printf (
7717 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
7719 mass->aname.major, mass->aname.minor, mass->aname.build, mass->aname.revision,
7720 mass->aname.culture && *mass->aname.culture? mass->aname.culture: "neutral",
7721 mass->aname.public_key_token [0] ? (char *)mass->aname.public_key_token : "null",
7722 (mass->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
7724 buffer_add_string (buf, name);
7729 return ERR_NOT_IMPLEMENTED;
7736 module_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7742 case CMD_MODULE_GET_INFO: {
7743 MonoImage *image = decode_moduleid (p, &p, end, &domain, &err);
7746 basename = g_path_get_basename (image->name);
7747 buffer_add_string (buf, basename); // name
7748 buffer_add_string (buf, image->module_name); // scopename
7749 buffer_add_string (buf, image->name); // fqname
7750 buffer_add_string (buf, mono_image_get_guid (image)); // guid
7751 buffer_add_assemblyid (buf, domain, image->assembly); // assembly
7756 return ERR_NOT_IMPLEMENTED;
7763 field_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7769 case CMD_FIELD_GET_INFO: {
7770 MonoClassField *f = decode_fieldid (p, &p, end, &domain, &err);
7772 buffer_add_string (buf, f->name);
7773 buffer_add_typeid (buf, domain, f->parent);
7774 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7775 buffer_add_int (buf, f->type->attrs);
7779 return ERR_NOT_IMPLEMENTED;
7786 buffer_add_cattr_arg (Buffer *buf, MonoType *t, MonoDomain *domain, MonoObject *val)
7788 if (val && val->vtable->klass == mono_defaults.monotype_class) {
7789 /* Special case these so the client doesn't have to handle Type objects */
7791 buffer_add_byte (buf, VALUE_TYPE_ID_TYPE);
7792 buffer_add_typeid (buf, domain, mono_class_from_mono_type (((MonoReflectionType*)val)->type));
7793 } else if (MONO_TYPE_IS_REFERENCE (t))
7794 buffer_add_value (buf, t, &val, domain);
7796 buffer_add_value (buf, t, mono_object_unbox (val), domain);
7800 buffer_add_cattrs (Buffer *buf, MonoDomain *domain, MonoImage *image, MonoClass *attr_klass, MonoCustomAttrInfo *cinfo)
7806 buffer_add_int (buf, 0);
7810 for (i = 0; i < cinfo->num_attrs; ++i) {
7811 if (!attr_klass || mono_class_has_parent (cinfo->attrs [i].ctor->klass, attr_klass))
7814 buffer_add_int (buf, nattrs);
7816 for (i = 0; i < cinfo->num_attrs; ++i) {
7817 MonoCustomAttrEntry *attr = &cinfo->attrs [i];
7818 if (!attr_klass || mono_class_has_parent (attr->ctor->klass, attr_klass)) {
7819 MonoArray *typed_args, *named_args;
7821 CattrNamedArg *arginfo = NULL;
7824 mono_reflection_create_custom_attr_data_args (image, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
7825 if (!mono_error_ok (&error)) {
7826 DEBUG_PRINTF (2, "[dbg] mono_reflection_create_custom_attr_data_args () failed with: '%s'\n", mono_error_get_message (&error));
7827 mono_error_cleanup (&error);
7828 return ERR_LOADER_ERROR;
7831 buffer_add_methodid (buf, domain, attr->ctor);
7835 buffer_add_int (buf, mono_array_length (typed_args));
7836 for (j = 0; j < mono_array_length (typed_args); ++j) {
7837 MonoObject *val = mono_array_get (typed_args, MonoObject*, j);
7839 t = mono_method_signature (attr->ctor)->params [j];
7841 buffer_add_cattr_arg (buf, t, domain, val);
7844 buffer_add_int (buf, 0);
7849 buffer_add_int (buf, mono_array_length (named_args));
7851 for (j = 0; j < mono_array_length (named_args); ++j) {
7852 MonoObject *val = mono_array_get (named_args, MonoObject*, j);
7854 if (arginfo [j].prop) {
7855 buffer_add_byte (buf, 0x54);
7856 buffer_add_propertyid (buf, domain, arginfo [j].prop);
7857 } else if (arginfo [j].field) {
7858 buffer_add_byte (buf, 0x53);
7859 buffer_add_fieldid (buf, domain, arginfo [j].field);
7861 g_assert_not_reached ();
7864 buffer_add_cattr_arg (buf, arginfo [j].type, domain, val);
7867 buffer_add_int (buf, 0);
7876 /* FIXME: Code duplication with icall.c */
7878 collect_interfaces (MonoClass *klass, GHashTable *ifaces, MonoError *error)
7883 mono_class_setup_interfaces (klass, error);
7884 if (!mono_error_ok (error))
7887 for (i = 0; i < klass->interface_count; i++) {
7888 ic = klass->interfaces [i];
7889 g_hash_table_insert (ifaces, ic, ic);
7891 collect_interfaces (ic, ifaces, error);
7892 if (!mono_error_ok (error))
7898 type_commands_internal (int command, MonoClass *klass, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
7908 case CMD_TYPE_GET_INFO: {
7909 buffer_add_string (buf, klass->name_space);
7910 buffer_add_string (buf, klass->name);
7912 name = mono_type_get_name_full (&klass->byval_arg, MONO_TYPE_NAME_FORMAT_FULL_NAME);
7913 buffer_add_string (buf, name);
7915 buffer_add_assemblyid (buf, domain, klass->image->assembly);
7916 buffer_add_moduleid (buf, domain, klass->image);
7917 buffer_add_typeid (buf, domain, klass->parent);
7918 if (klass->rank || klass->byval_arg.type == MONO_TYPE_PTR)
7919 buffer_add_typeid (buf, domain, klass->element_class);
7921 buffer_add_id (buf, 0);
7922 buffer_add_int (buf, klass->type_token);
7923 buffer_add_byte (buf, klass->rank);
7924 buffer_add_int (buf, klass->flags);
7926 type = &klass->byval_arg;
7927 // FIXME: Can't decide whenever a class represents a byref type
7930 if (type->type == MONO_TYPE_PTR)
7932 if (!type->byref && (((type->type >= MONO_TYPE_BOOLEAN) && (type->type <= MONO_TYPE_R8)) || (type->type == MONO_TYPE_I) || (type->type == MONO_TYPE_U)))
7934 if (type->type == MONO_TYPE_VALUETYPE)
7936 if (klass->enumtype)
7938 if (klass->generic_container)
7940 if (klass->generic_container || klass->generic_class)
7942 buffer_add_byte (buf, b);
7945 while ((nested = mono_class_get_nested_types (klass, &iter)))
7947 buffer_add_int (buf, nnested);
7949 while ((nested = mono_class_get_nested_types (klass, &iter)))
7950 buffer_add_typeid (buf, domain, nested);
7951 if (CHECK_PROTOCOL_VERSION (2, 12)) {
7952 if (klass->generic_container)
7953 buffer_add_typeid (buf, domain, klass);
7954 else if (klass->generic_class)
7955 buffer_add_typeid (buf, domain, klass->generic_class->container_class);
7957 buffer_add_id (buf, 0);
7959 if (CHECK_PROTOCOL_VERSION (2, 15)) {
7962 if (klass->generic_class) {
7963 MonoGenericInst *inst = klass->generic_class->context.class_inst;
7965 count = inst->type_argc;
7966 buffer_add_int (buf, count);
7967 for (i = 0; i < count; i++)
7968 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
7969 } else if (klass->generic_container) {
7970 MonoGenericContainer *container = klass->generic_container;
7973 count = container->type_argc;
7974 buffer_add_int (buf, count);
7975 for (i = 0; i < count; i++) {
7976 pklass = mono_class_from_generic_parameter (mono_generic_container_get_param (container, i), klass->image, FALSE);
7977 buffer_add_typeid (buf, domain, pklass);
7980 buffer_add_int (buf, 0);
7985 case CMD_TYPE_GET_METHODS: {
7988 gpointer iter = NULL;
7991 mono_class_setup_methods (klass);
7993 nmethods = mono_class_num_methods (klass);
7995 buffer_add_int (buf, nmethods);
7997 while ((m = mono_class_get_methods (klass, &iter))) {
7998 buffer_add_methodid (buf, domain, m);
8001 g_assert (i == nmethods);
8004 case CMD_TYPE_GET_FIELDS: {
8007 gpointer iter = NULL;
8010 nfields = mono_class_num_fields (klass);
8012 buffer_add_int (buf, nfields);
8014 while ((f = mono_class_get_fields (klass, &iter))) {
8015 buffer_add_fieldid (buf, domain, f);
8016 buffer_add_string (buf, f->name);
8017 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
8018 buffer_add_int (buf, f->type->attrs);
8021 g_assert (i == nfields);
8024 case CMD_TYPE_GET_PROPERTIES: {
8027 gpointer iter = NULL;
8030 nprops = mono_class_num_properties (klass);
8032 buffer_add_int (buf, nprops);
8034 while ((p = mono_class_get_properties (klass, &iter))) {
8035 buffer_add_propertyid (buf, domain, p);
8036 buffer_add_string (buf, p->name);
8037 buffer_add_methodid (buf, domain, p->get);
8038 buffer_add_methodid (buf, domain, p->set);
8039 buffer_add_int (buf, p->attrs);
8042 g_assert (i == nprops);
8045 case CMD_TYPE_GET_CATTRS: {
8046 MonoClass *attr_klass;
8047 MonoCustomAttrInfo *cinfo;
8049 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8050 /* attr_klass can be NULL */
8054 cinfo = mono_custom_attrs_from_class (klass);
8056 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8061 case CMD_TYPE_GET_FIELD_CATTRS: {
8062 MonoClass *attr_klass;
8063 MonoCustomAttrInfo *cinfo;
8064 MonoClassField *field;
8066 field = decode_fieldid (p, &p, end, NULL, &err);
8069 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8073 cinfo = mono_custom_attrs_from_field (klass, field);
8075 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8080 case CMD_TYPE_GET_PROPERTY_CATTRS: {
8081 MonoClass *attr_klass;
8082 MonoCustomAttrInfo *cinfo;
8085 prop = decode_propertyid (p, &p, end, NULL, &err);
8088 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8092 cinfo = mono_custom_attrs_from_property (klass, prop);
8094 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8099 case CMD_TYPE_GET_VALUES:
8100 case CMD_TYPE_GET_VALUES_2: {
8107 MonoThread *thread_obj;
8108 MonoInternalThread *thread = NULL;
8109 guint32 special_static_type;
8111 if (command == CMD_TYPE_GET_VALUES_2) {
8112 int objid = decode_objid (p, &p, end);
8115 err = get_object (objid, (MonoObject**)&thread_obj);
8119 thread = THREAD_TO_INTERNAL (thread_obj);
8122 len = decode_int (p, &p, end);
8123 for (i = 0; i < len; ++i) {
8124 f = decode_fieldid (p, &p, end, NULL, &err);
8128 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8129 return ERR_INVALID_FIELDID;
8130 special_static_type = mono_class_field_get_special_static_type (f);
8131 if (special_static_type != SPECIAL_STATIC_NONE) {
8132 if (!(thread && special_static_type == SPECIAL_STATIC_THREAD))
8133 return ERR_INVALID_FIELDID;
8136 /* Check that the field belongs to the object */
8138 for (k = klass; k; k = k->parent) {
8139 if (k == f->parent) {
8145 return ERR_INVALID_FIELDID;
8147 vtable = mono_class_vtable (domain, f->parent);
8148 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8149 mono_field_static_get_value_for_thread (thread ? thread : mono_thread_internal_current (), vtable, f, val);
8150 buffer_add_value (buf, f->type, val, domain);
8155 case CMD_TYPE_SET_VALUES: {
8163 len = decode_int (p, &p, end);
8164 for (i = 0; i < len; ++i) {
8165 f = decode_fieldid (p, &p, end, NULL, &err);
8169 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8170 return ERR_INVALID_FIELDID;
8171 if (mono_class_field_is_special_static (f))
8172 return ERR_INVALID_FIELDID;
8174 /* Check that the field belongs to the object */
8176 for (k = klass; k; k = k->parent) {
8177 if (k == f->parent) {
8183 return ERR_INVALID_FIELDID;
8185 // FIXME: Check for literal/const
8187 vtable = mono_class_vtable (domain, f->parent);
8188 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8189 err = decode_value (f->type, domain, val, p, &p, end);
8194 if (MONO_TYPE_IS_REFERENCE (f->type))
8195 mono_field_static_set_value (vtable, f, *(gpointer*)val);
8197 mono_field_static_set_value (vtable, f, val);
8202 case CMD_TYPE_GET_OBJECT: {
8203 MonoObject *o = (MonoObject*)mono_type_get_object (domain, &klass->byval_arg);
8204 buffer_add_objid (buf, o);
8207 case CMD_TYPE_GET_SOURCE_FILES:
8208 case CMD_TYPE_GET_SOURCE_FILES_2: {
8209 char *source_file, *base;
8213 files = get_source_files_for_type (klass);
8215 buffer_add_int (buf, files->len);
8216 for (i = 0; i < files->len; ++i) {
8217 source_file = g_ptr_array_index (files, i);
8218 if (command == CMD_TYPE_GET_SOURCE_FILES_2) {
8219 buffer_add_string (buf, source_file);
8221 base = dbg_path_get_basename (source_file);
8222 buffer_add_string (buf, base);
8225 g_free (source_file);
8227 g_ptr_array_free (files, TRUE);
8230 case CMD_TYPE_IS_ASSIGNABLE_FROM: {
8231 MonoClass *oklass = decode_typeid (p, &p, end, NULL, &err);
8235 if (mono_class_is_assignable_from (klass, oklass))
8236 buffer_add_byte (buf, 1);
8238 buffer_add_byte (buf, 0);
8241 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS: {
8242 char *name = decode_string (p, &p, end);
8243 int i, flags = decode_int (p, &p, end);
8244 MonoException *ex = NULL;
8245 GPtrArray *array = mono_class_get_methods_by_name (klass, name, flags & ~BINDING_FLAGS_IGNORE_CASE, (flags & BINDING_FLAGS_IGNORE_CASE) != 0, TRUE, &ex);
8248 return ERR_LOADER_ERROR;
8249 buffer_add_int (buf, array->len);
8250 for (i = 0; i < array->len; ++i) {
8251 MonoMethod *method = g_ptr_array_index (array, i);
8252 buffer_add_methodid (buf, domain, method);
8255 g_ptr_array_free (array, TRUE);
8259 case CMD_TYPE_GET_INTERFACES: {
8261 GHashTable *iface_hash = g_hash_table_new (NULL, NULL);
8263 MonoClass *tclass, *iface;
8264 GHashTableIter iter;
8268 for (parent = tclass; parent; parent = parent->parent) {
8269 mono_class_setup_interfaces (parent, &error);
8270 if (!mono_error_ok (&error))
8271 return ERR_LOADER_ERROR;
8272 collect_interfaces (parent, iface_hash, &error);
8273 if (!mono_error_ok (&error))
8274 return ERR_LOADER_ERROR;
8277 buffer_add_int (buf, g_hash_table_size (iface_hash));
8279 g_hash_table_iter_init (&iter, iface_hash);
8280 while (g_hash_table_iter_next (&iter, NULL, (void**)&iface))
8281 buffer_add_typeid (buf, domain, iface);
8282 g_hash_table_destroy (iface_hash);
8285 case CMD_TYPE_GET_INTERFACE_MAP: {
8286 int tindex, ioffset;
8287 gboolean variance_used;
8289 int len, nmethods, i;
8293 len = decode_int (p, &p, end);
8294 mono_class_setup_vtable (klass);
8296 for (tindex = 0; tindex < len; ++tindex) {
8297 iclass = decode_typeid (p, &p, end, NULL, &err);
8301 ioffset = mono_class_interface_offset_with_variance (klass, iclass, &variance_used);
8303 return ERR_INVALID_ARGUMENT;
8305 nmethods = mono_class_num_methods (iclass);
8306 buffer_add_int (buf, nmethods);
8309 while ((method = mono_class_get_methods (iclass, &iter))) {
8310 buffer_add_methodid (buf, domain, method);
8312 for (i = 0; i < nmethods; ++i)
8313 buffer_add_methodid (buf, domain, klass->vtable [i + ioffset]);
8317 case CMD_TYPE_IS_INITIALIZED: {
8318 MonoVTable *vtable = mono_class_vtable (domain, klass);
8321 buffer_add_int (buf, (vtable->initialized || vtable->init_failed) ? 1 : 0);
8323 buffer_add_int (buf, 0);
8326 case CMD_TYPE_CREATE_INSTANCE: {
8329 obj = mono_object_new (domain, klass);
8330 buffer_add_objid (buf, obj);
8334 return ERR_NOT_IMPLEMENTED;
8341 type_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8344 MonoDomain *old_domain;
8348 klass = decode_typeid (p, &p, end, &domain, &err);
8352 old_domain = mono_domain_get ();
8354 mono_domain_set (domain, TRUE);
8356 err = type_commands_internal (command, klass, domain, p, end, buf);
8358 mono_domain_set (old_domain, TRUE);
8364 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8366 MonoMethodHeader *header;
8370 case CMD_METHOD_GET_NAME: {
8371 buffer_add_string (buf, method->name);
8374 case CMD_METHOD_GET_DECLARING_TYPE: {
8375 buffer_add_typeid (buf, domain, method->klass);
8378 case CMD_METHOD_GET_DEBUG_INFO: {
8379 MonoDebugMethodInfo *minfo;
8381 int i, j, n_il_offsets;
8384 int *column_numbers;
8385 int *end_line_numbers;
8386 int *end_column_numbers;
8388 GPtrArray *source_file_list;
8390 header = mono_method_get_header (method);
8392 buffer_add_int (buf, 0);
8393 buffer_add_string (buf, "");
8394 buffer_add_int (buf, 0);
8398 minfo = mono_debug_lookup_method (method);
8400 buffer_add_int (buf, header->code_size);
8401 buffer_add_string (buf, "");
8402 buffer_add_int (buf, 0);
8403 mono_metadata_free_mh (header);
8407 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);
8408 buffer_add_int (buf, header->code_size);
8409 if (CHECK_PROTOCOL_VERSION (2, 13)) {
8410 buffer_add_int (buf, source_file_list->len);
8411 for (i = 0; i < source_file_list->len; ++i) {
8412 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, i);
8413 buffer_add_string (buf, sinfo->source_file);
8414 if (CHECK_PROTOCOL_VERSION (2, 14)) {
8415 for (j = 0; j < 16; ++j)
8416 buffer_add_byte (buf, sinfo->hash [j]);
8420 buffer_add_string (buf, source_file);
8422 buffer_add_int (buf, n_il_offsets);
8423 DEBUG_PRINTF (10, "Line number table for method %s:\n", mono_method_full_name (method, TRUE));
8424 for (i = 0; i < n_il_offsets; ++i) {
8425 const char *srcfile = "";
8427 if (source_files [i] != -1) {
8428 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, source_files [i]);
8429 srcfile = sinfo->source_file;
8431 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);
8432 buffer_add_int (buf, il_offsets [i]);
8433 buffer_add_int (buf, line_numbers [i]);
8434 if (CHECK_PROTOCOL_VERSION (2, 13))
8435 buffer_add_int (buf, source_files [i]);
8436 if (CHECK_PROTOCOL_VERSION (2, 19))
8437 buffer_add_int (buf, column_numbers ? column_numbers [i] : -1);
8438 if (CHECK_PROTOCOL_VERSION (2, 32)) {
8439 buffer_add_int (buf, end_line_numbers ? end_line_numbers [i] : -1);
8440 buffer_add_int (buf, end_column_numbers ? end_column_numbers [i] : -1);
8443 g_free (source_file);
8444 g_free (il_offsets);
8445 g_free (line_numbers);
8446 g_free (column_numbers);
8447 g_free (end_line_numbers);
8448 g_free (end_column_numbers);
8449 g_free (source_files);
8450 g_ptr_array_free (source_file_list, TRUE);
8451 mono_metadata_free_mh (header);
8454 case CMD_METHOD_GET_PARAM_INFO: {
8455 MonoMethodSignature *sig = mono_method_signature (method);
8459 /* FIXME: mono_class_from_mono_type () and byrefs */
8461 /* FIXME: Use a smaller encoding */
8462 buffer_add_int (buf, sig->call_convention);
8463 buffer_add_int (buf, sig->param_count);
8464 buffer_add_int (buf, sig->generic_param_count);
8465 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->ret));
8466 for (i = 0; i < sig->param_count; ++i) {
8468 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->params [i]));
8471 /* Emit parameter names */
8472 names = g_new (char *, sig->param_count);
8473 mono_method_get_param_names (method, (const char **) names);
8474 for (i = 0; i < sig->param_count; ++i)
8475 buffer_add_string (buf, names [i]);
8480 case CMD_METHOD_GET_LOCALS_INFO: {
8481 int i, j, num_locals;
8482 MonoDebugLocalsInfo *locals;
8484 header = mono_method_get_header (method);
8486 return ERR_INVALID_ARGUMENT;
8488 buffer_add_int (buf, header->num_locals);
8491 for (i = 0; i < header->num_locals; ++i)
8492 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [i]));
8495 locals = mono_debug_lookup_locals (method);
8497 num_locals = locals->num_locals;
8500 for (i = 0; i < header->num_locals; ++i) {
8501 for (j = 0; j < num_locals; ++j)
8502 if (locals->locals [j].index == i)
8505 buffer_add_string (buf, locals->locals [j].name);
8507 buffer_add_string (buf, "");
8511 for (i = 0; i < header->num_locals; ++i) {
8512 for (j = 0; j < num_locals; ++j)
8513 if (locals->locals [j].index == i)
8515 if (j < num_locals && locals->locals [j].block) {
8516 buffer_add_int (buf, locals->locals [j].block->start_offset);
8517 buffer_add_int (buf, locals->locals [j].block->end_offset);
8519 buffer_add_int (buf, 0);
8520 buffer_add_int (buf, header->code_size);
8523 mono_metadata_free_mh (header);
8526 mono_debug_symfile_free_locals (locals);
8530 case CMD_METHOD_GET_INFO:
8531 buffer_add_int (buf, method->flags);
8532 buffer_add_int (buf, method->iflags);
8533 buffer_add_int (buf, method->token);
8534 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8536 if (method->is_generic)
8538 if (mono_method_signature (method)->generic_param_count)
8540 buffer_add_byte (buf, attrs);
8541 if (method->is_generic || method->is_inflated) {
8544 if (method->is_generic) {
8547 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
8549 result = imethod->declaring;
8550 if (imethod->context.class_inst) {
8551 MonoClass *klass = ((MonoMethod *) imethod)->klass;
8552 /*Generic methods gets the context of the GTD.*/
8553 if (mono_class_get_context (klass)) {
8555 result = mono_class_inflate_generic_method_full_checked (result, klass, mono_class_get_context (klass), &error);
8556 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8561 buffer_add_methodid (buf, domain, result);
8563 buffer_add_id (buf, 0);
8565 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8566 if (mono_method_signature (method)->generic_param_count) {
8569 if (method->is_inflated) {
8570 MonoGenericInst *inst = mono_method_get_context (method)->method_inst;
8572 count = inst->type_argc;
8573 buffer_add_int (buf, count);
8575 for (i = 0; i < count; i++)
8576 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8578 buffer_add_int (buf, 0);
8580 } else if (method->is_generic) {
8581 MonoGenericContainer *container = mono_method_get_generic_container (method);
8583 count = mono_method_signature (method)->generic_param_count;
8584 buffer_add_int (buf, count);
8585 for (i = 0; i < count; i++) {
8586 MonoGenericParam *param = mono_generic_container_get_param (container, i);
8587 MonoClass *pklass = mono_class_from_generic_parameter (param, method->klass->image, TRUE);
8588 buffer_add_typeid (buf, domain, pklass);
8591 buffer_add_int (buf, 0);
8594 buffer_add_int (buf, 0);
8599 case CMD_METHOD_GET_BODY: {
8602 header = mono_method_get_header (method);
8604 buffer_add_int (buf, 0);
8606 if (CHECK_PROTOCOL_VERSION (2, 18))
8607 buffer_add_int (buf, 0);
8609 buffer_add_int (buf, header->code_size);
8610 for (i = 0; i < header->code_size; ++i)
8611 buffer_add_byte (buf, header->code [i]);
8613 if (CHECK_PROTOCOL_VERSION (2, 18)) {
8614 buffer_add_int (buf, header->num_clauses);
8615 for (i = 0; i < header->num_clauses; ++i) {
8616 MonoExceptionClause *clause = &header->clauses [i];
8618 buffer_add_int (buf, clause->flags);
8619 buffer_add_int (buf, clause->try_offset);
8620 buffer_add_int (buf, clause->try_len);
8621 buffer_add_int (buf, clause->handler_offset);
8622 buffer_add_int (buf, clause->handler_len);
8623 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
8624 buffer_add_typeid (buf, domain, clause->data.catch_class);
8625 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
8626 buffer_add_int (buf, clause->data.filter_offset);
8630 mono_metadata_free_mh (header);
8635 case CMD_METHOD_RESOLVE_TOKEN: {
8636 guint32 token = decode_int (p, &p, end);
8639 switch (mono_metadata_token_code (token)) {
8640 case MONO_TOKEN_STRING: {
8644 s = mono_ldstr (domain, method->klass->image, mono_metadata_token_index (token));
8647 s2 = mono_string_to_utf8 (s);
8649 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8650 buffer_add_string (buf, s2);
8656 MonoClass *handle_class;
8658 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
8659 val = mono_method_get_wrapper_data (method, token);
8660 handle_class = mono_method_get_wrapper_data (method, token + 1);
8662 if (handle_class == NULL) {
8663 // Can't figure out the token type
8664 buffer_add_byte (buf, TOKEN_TYPE_UNKNOWN);
8669 val = mono_ldtoken_checked (method->klass->image, token, &handle_class, NULL, &error);
8671 g_error ("Could not load token due to %s", mono_error_get_message (&error));
8674 if (handle_class == mono_defaults.typehandle_class) {
8675 buffer_add_byte (buf, TOKEN_TYPE_TYPE);
8676 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
8677 buffer_add_typeid (buf, domain, (MonoClass *) val);
8679 buffer_add_typeid (buf, domain, mono_class_from_mono_type ((MonoType*)val));
8680 } else if (handle_class == mono_defaults.fieldhandle_class) {
8681 buffer_add_byte (buf, TOKEN_TYPE_FIELD);
8682 buffer_add_fieldid (buf, domain, val);
8683 } else if (handle_class == mono_defaults.methodhandle_class) {
8684 buffer_add_byte (buf, TOKEN_TYPE_METHOD);
8685 buffer_add_methodid (buf, domain, val);
8686 } else if (handle_class == mono_defaults.string_class) {
8689 s = mono_string_to_utf8 (val);
8690 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8691 buffer_add_string (buf, s);
8694 g_assert_not_reached ();
8701 case CMD_METHOD_GET_CATTRS: {
8702 MonoClass *attr_klass;
8703 MonoCustomAttrInfo *cinfo;
8705 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8706 /* attr_klass can be NULL */
8710 cinfo = mono_custom_attrs_from_method (method);
8712 err = buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
8717 case CMD_METHOD_MAKE_GENERIC_METHOD: {
8719 MonoType **type_argv;
8723 MonoGenericInst *ginst;
8724 MonoGenericContext tmp_context;
8725 MonoMethod *inflated;
8727 type_argc = decode_int (p, &p, end);
8728 type_argv = g_new0 (MonoType*, type_argc);
8729 for (i = 0; i < type_argc; ++i) {
8730 klass = decode_typeid (p, &p, end, &d, &err);
8737 return ERR_INVALID_ARGUMENT;
8739 type_argv [i] = &klass->byval_arg;
8741 ginst = mono_metadata_get_generic_inst (type_argc, type_argv);
8743 tmp_context.class_inst = method->klass->generic_class ? method->klass->generic_class->context.class_inst : NULL;
8744 tmp_context.method_inst = ginst;
8746 inflated = mono_class_inflate_generic_method_checked (method, &tmp_context, &error);
8747 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8748 if (!mono_verifier_is_method_valid_generic_instantiation (inflated))
8749 return ERR_INVALID_ARGUMENT;
8750 buffer_add_methodid (buf, domain, inflated);
8754 return ERR_NOT_IMPLEMENTED;
8761 method_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8764 MonoDomain *old_domain;
8768 method = decode_methodid (p, &p, end, &domain, &err);
8772 old_domain = mono_domain_get ();
8774 mono_domain_set (domain, TRUE);
8776 err = method_commands_internal (command, method, domain, p, end, buf);
8778 mono_domain_set (old_domain, TRUE);
8784 thread_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8786 int objid = decode_objid (p, &p, end);
8788 MonoThread *thread_obj;
8789 MonoInternalThread *thread;
8791 err = get_object (objid, (MonoObject**)&thread_obj);
8795 thread = THREAD_TO_INTERNAL (thread_obj);
8798 case CMD_THREAD_GET_NAME: {
8800 gunichar2 *s = mono_thread_get_name (thread, &name_len);
8803 buffer_add_int (buf, 0);
8808 name = g_utf16_to_utf8 (s, name_len, NULL, &len, NULL);
8810 buffer_add_int (buf, len);
8811 buffer_add_data (buf, (guint8*)name, len);
8816 case CMD_THREAD_GET_FRAME_INFO: {
8817 DebuggerTlsData *tls;
8818 int i, start_frame, length;
8820 // Wait for suspending if it already started
8821 // FIXME: Races with suspend_count
8822 while (!is_suspended ()) {
8824 wait_for_suspend ();
8828 wait_for_suspend ();
8829 if (!is_suspended ())
8830 return ERR_NOT_SUSPENDED;
8833 start_frame = decode_int (p, &p, end);
8834 length = decode_int (p, &p, end);
8836 if (start_frame != 0 || length != -1)
8837 return ERR_NOT_IMPLEMENTED;
8839 mono_loader_lock ();
8840 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8841 mono_loader_unlock ();
8844 compute_frame_info (thread, tls);
8846 buffer_add_int (buf, tls->frame_count);
8847 for (i = 0; i < tls->frame_count; ++i) {
8848 buffer_add_int (buf, tls->frames [i]->id);
8849 buffer_add_methodid (buf, tls->frames [i]->domain, tls->frames [i]->actual_method);
8850 buffer_add_int (buf, tls->frames [i]->il_offset);
8852 * Instead of passing the frame type directly to the client, we associate
8853 * it with the previous frame using a set of flags. This avoids lots of
8854 * conditional code in the client, since a frame whose type isn't
8855 * FRAME_TYPE_MANAGED has no method, location, etc.
8857 buffer_add_byte (buf, tls->frames [i]->flags);
8862 case CMD_THREAD_GET_STATE:
8863 buffer_add_int (buf, thread->state);
8865 case CMD_THREAD_GET_INFO:
8866 buffer_add_byte (buf, thread->threadpool_thread);
8868 case CMD_THREAD_GET_ID:
8869 buffer_add_long (buf, (guint64)(gsize)thread);
8871 case CMD_THREAD_GET_TID:
8872 buffer_add_long (buf, (guint64)thread->tid);
8874 case CMD_THREAD_SET_IP: {
8875 DebuggerTlsData *tls;
8878 MonoSeqPointInfo *seq_points;
8883 method = decode_methodid (p, &p, end, &domain, &err);
8886 il_offset = decode_long (p, &p, end);
8888 while (!is_suspended ()) {
8890 wait_for_suspend ();
8893 mono_loader_lock ();
8894 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8895 mono_loader_unlock ();
8898 compute_frame_info (thread, tls);
8899 if (tls->frame_count == 0 || tls->frames [0]->actual_method != method)
8900 return ERR_INVALID_ARGUMENT;
8902 found_sp = find_seq_point (domain, method, il_offset, &seq_points, &sp);
8904 g_assert (seq_points);
8907 return ERR_INVALID_ARGUMENT;
8909 // FIXME: Check that the ip change is safe
8911 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);
8912 MONO_CONTEXT_SET_IP (&tls->restore_state.ctx, (guint8*)tls->frames [0]->ji->code_start + sp.native_offset);
8916 return ERR_NOT_IMPLEMENTED;
8923 frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8927 MonoThread *thread_obj;
8928 MonoInternalThread *thread;
8929 int pos, i, len, frame_idx;
8930 DebuggerTlsData *tls;
8932 MonoDebugMethodJitInfo *jit;
8933 MonoDebugVarInfo *var;
8934 MonoMethodSignature *sig;
8936 MonoMethodHeader *header;
8938 objid = decode_objid (p, &p, end);
8939 err = get_object (objid, (MonoObject**)&thread_obj);
8943 thread = THREAD_TO_INTERNAL (thread_obj);
8945 id = decode_id (p, &p, end);
8947 mono_loader_lock ();
8948 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8949 mono_loader_unlock ();
8952 for (i = 0; i < tls->frame_count; ++i) {
8953 if (tls->frames [i]->id == id)
8956 if (i == tls->frame_count)
8957 return ERR_INVALID_FRAMEID;
8960 frame = tls->frames [frame_idx];
8962 /* This is supported for frames without has_ctx etc. set */
8963 if (command == CMD_STACK_FRAME_GET_DOMAIN) {
8964 if (CHECK_PROTOCOL_VERSION (2, 38))
8965 buffer_add_domainid (buf, frame->domain);
8969 if (!frame->has_ctx)
8970 return ERR_ABSENT_INFORMATION;
8973 frame->jit = mono_debug_find_method (frame->api_method, frame->domain);
8974 if (!frame->jit && frame->api_method->is_inflated)
8975 frame->jit = mono_debug_find_method (mono_method_get_declaring_generic_method (frame->api_method), frame->domain);
8979 /* This could happen for aot images with no jit debug info */
8980 s = mono_method_full_name (frame->api_method, TRUE);
8981 DEBUG_PRINTF (1, "[dbg] No debug information found for '%s'.\n", s);
8983 return ERR_ABSENT_INFORMATION;
8988 sig = mono_method_signature (frame->actual_method);
8990 if (!get_seq_points (frame->domain, frame->actual_method))
8992 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
8994 return ERR_ABSENT_INFORMATION;
8997 case CMD_STACK_FRAME_GET_VALUES: {
8998 len = decode_int (p, &p, end);
8999 header = mono_method_get_header (frame->actual_method);
9001 for (i = 0; i < len; ++i) {
9002 pos = decode_int (p, &p, end);
9007 g_assert (pos >= 0 && pos < jit->num_params);
9009 var = &jit->params [pos];
9011 add_var (buf, jit, sig->params [pos], &jit->params [pos], &frame->ctx, frame->domain, FALSE);
9013 g_assert (pos >= 0 && pos < jit->num_locals);
9015 var = &jit->locals [pos];
9017 add_var (buf, jit, header->locals [pos], &jit->locals [pos], &frame->ctx, frame->domain, FALSE);
9020 mono_metadata_free_mh (header);
9023 case CMD_STACK_FRAME_GET_THIS: {
9024 if (frame->api_method->klass->valuetype) {
9025 if (!sig->hasthis) {
9026 MonoObject *p = NULL;
9027 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &p, frame->domain);
9029 add_var (buf, jit, &frame->actual_method->klass->this_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9032 if (!sig->hasthis) {
9033 MonoObject *p = NULL;
9034 buffer_add_value (buf, &frame->actual_method->klass->byval_arg, &p, frame->domain);
9036 add_var (buf, jit, &frame->api_method->klass->byval_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9041 case CMD_STACK_FRAME_SET_VALUES: {
9044 MonoDebugVarInfo *var;
9046 len = decode_int (p, &p, end);
9047 header = mono_method_get_header (frame->actual_method);
9049 for (i = 0; i < len; ++i) {
9050 pos = decode_int (p, &p, end);
9055 g_assert (pos >= 0 && pos < jit->num_params);
9057 t = sig->params [pos];
9058 var = &jit->params [pos];
9060 g_assert (pos >= 0 && pos < jit->num_locals);
9062 t = header->locals [pos];
9063 var = &jit->locals [pos];
9066 if (MONO_TYPE_IS_REFERENCE (t))
9067 val_buf = g_alloca (sizeof (MonoObject*));
9069 val_buf = g_alloca (mono_class_instance_size (mono_class_from_mono_type (t)));
9070 err = decode_value (t, frame->domain, val_buf, p, &p, end);
9074 set_var (t, var, &frame->ctx, frame->domain, val_buf, frame->reg_locations, &tls->restore_state.ctx);
9076 mono_metadata_free_mh (header);
9079 case CMD_STACK_FRAME_GET_DOMAIN: {
9080 if (CHECK_PROTOCOL_VERSION (2, 38))
9081 buffer_add_domainid (buf, frame->domain);
9085 return ERR_NOT_IMPLEMENTED;
9092 array_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9095 int objid, err, index, len, i, esize;
9098 objid = decode_objid (p, &p, end);
9099 err = get_object (objid, (MonoObject**)&arr);
9104 case CMD_ARRAY_REF_GET_LENGTH:
9105 buffer_add_int (buf, arr->obj.vtable->klass->rank);
9107 buffer_add_int (buf, arr->max_length);
9108 buffer_add_int (buf, 0);
9110 for (i = 0; i < arr->obj.vtable->klass->rank; ++i) {
9111 buffer_add_int (buf, arr->bounds [i].length);
9112 buffer_add_int (buf, arr->bounds [i].lower_bound);
9116 case CMD_ARRAY_REF_GET_VALUES:
9117 index = decode_int (p, &p, end);
9118 len = decode_int (p, &p, end);
9120 g_assert (index >= 0 && len >= 0);
9121 // Reordered to avoid integer overflow
9122 g_assert (!(index > arr->max_length - len));
9124 esize = mono_array_element_size (arr->obj.vtable->klass);
9125 for (i = index; i < index + len; ++i) {
9126 elem = (gpointer*)((char*)arr->vector + (i * esize));
9127 buffer_add_value (buf, &arr->obj.vtable->klass->element_class->byval_arg, elem, arr->obj.vtable->domain);
9130 case CMD_ARRAY_REF_SET_VALUES:
9131 index = decode_int (p, &p, end);
9132 len = decode_int (p, &p, end);
9134 g_assert (index >= 0 && len >= 0);
9135 // Reordered to avoid integer overflow
9136 g_assert (!(index > arr->max_length - len));
9138 esize = mono_array_element_size (arr->obj.vtable->klass);
9139 for (i = index; i < index + len; ++i) {
9140 elem = (gpointer*)((char*)arr->vector + (i * esize));
9142 decode_value (&arr->obj.vtable->klass->element_class->byval_arg, arr->obj.vtable->domain, elem, p, &p, end);
9146 return ERR_NOT_IMPLEMENTED;
9153 string_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9158 int i, index, length;
9161 objid = decode_objid (p, &p, end);
9162 err = get_object (objid, (MonoObject**)&str);
9167 case CMD_STRING_REF_GET_VALUE:
9168 s = mono_string_to_utf8 (str);
9169 buffer_add_string (buf, s);
9172 case CMD_STRING_REF_GET_LENGTH:
9173 buffer_add_long (buf, mono_string_length (str));
9175 case CMD_STRING_REF_GET_CHARS:
9176 index = decode_long (p, &p, end);
9177 length = decode_long (p, &p, end);
9178 if (index > mono_string_length (str) - length)
9179 return ERR_INVALID_ARGUMENT;
9180 c = mono_string_chars (str) + index;
9181 for (i = 0; i < length; ++i)
9182 buffer_add_short (buf, c [i]);
9185 return ERR_NOT_IMPLEMENTED;
9192 object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9201 if (command == CMD_OBJECT_REF_IS_COLLECTED) {
9202 objid = decode_objid (p, &p, end);
9203 err = get_object (objid, &obj);
9205 buffer_add_int (buf, 1);
9207 buffer_add_int (buf, 0);
9211 objid = decode_objid (p, &p, end);
9212 err = get_object (objid, &obj);
9217 case CMD_OBJECT_REF_GET_TYPE:
9218 /* This handles transparent proxies too */
9219 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9221 case CMD_OBJECT_REF_GET_VALUES:
9222 len = decode_int (p, &p, end);
9224 for (i = 0; i < len; ++i) {
9225 MonoClassField *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);
9249 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9250 mono_field_static_get_value (vtable, f, val);
9251 buffer_add_value (buf, f->type, val, obj->vtable->domain);
9254 buffer_add_value (buf, f->type, (guint8*)obj + f->offset, obj->vtable->domain);
9258 case CMD_OBJECT_REF_SET_VALUES:
9259 len = decode_int (p, &p, end);
9261 for (i = 0; i < len; ++i) {
9262 f = decode_fieldid (p, &p, end, NULL, &err);
9266 /* Check that the field belongs to the object */
9268 for (k = obj->vtable->klass; k; k = k->parent) {
9269 if (k == f->parent) {
9275 return ERR_INVALID_FIELDID;
9277 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9281 if (mono_class_field_is_special_static (f))
9282 return ERR_INVALID_FIELDID;
9284 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9285 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9287 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9288 err = decode_value (f->type, obj->vtable->domain, val, p, &p, end);
9293 mono_field_static_set_value (vtable, f, val);
9296 err = decode_value (f->type, obj->vtable->domain, (guint8*)obj + f->offset, p, &p, end);
9302 case CMD_OBJECT_REF_GET_ADDRESS:
9303 buffer_add_long (buf, (gssize)obj);
9305 case CMD_OBJECT_REF_GET_DOMAIN:
9306 buffer_add_domainid (buf, obj->vtable->domain);
9308 case CMD_OBJECT_REF_GET_INFO:
9309 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9310 buffer_add_domainid (buf, obj->vtable->domain);
9313 return ERR_NOT_IMPLEMENTED;
9320 command_set_to_string (CommandSet command_set)
9322 switch (command_set) {
9325 case CMD_SET_OBJECT_REF:
9326 return "OBJECT_REF";
9327 case CMD_SET_STRING_REF:
9328 return "STRING_REF";
9329 case CMD_SET_THREAD:
9331 case CMD_SET_ARRAY_REF:
9333 case CMD_SET_EVENT_REQUEST:
9334 return "EVENT_REQUEST";
9335 case CMD_SET_STACK_FRAME:
9336 return "STACK_FRAME";
9337 case CMD_SET_APPDOMAIN:
9339 case CMD_SET_ASSEMBLY:
9341 case CMD_SET_METHOD:
9345 case CMD_SET_MODULE:
9356 static const char* vm_cmds_str [] = {
9364 "SET_PROTOCOL_VERSION",
9367 "GET_TYPES_FOR_SOURCE_FILE",
9372 static const char* thread_cmds_str[] = {
9382 static const char* event_cmds_str[] = {
9385 "REQUEST_CLEAR_ALL_BREAKPOINTS"
9388 static const char* appdomain_cmds_str[] = {
9390 "GET_FRIENDLY_NAME",
9392 "GET_ENTRY_ASSEMBLY",
9395 "CREATE_BOXED_VALUE"
9398 static const char* assembly_cmds_str[] = {
9401 "GET_MANIFEST_MODULE",
9407 static const char* module_cmds_str[] = {
9411 static const char* field_cmds_str[] = {
9415 static const char* method_cmds_str[] = {
9417 "GET_DECLARING_TYPE",
9425 "MAKE_GENERIC_METHOD"
9428 static const char* type_cmds_str[] = {
9436 "IS_ASSIGNABLE_FROM",
9440 "GET_PROPERTY_CATTRS",
9441 "GET_SOURCE_FILES_2",
9443 "GET_METHODS_BY_NAME_FLAGS",
9445 "GET_INTERFACE_MAP",
9449 static const char* stack_frame_cmds_str[] = {
9456 static const char* array_cmds_str[] = {
9462 static const char* string_cmds_str[] = {
9468 static const char* object_cmds_str[] = {
9479 cmd_to_string (CommandSet set, int command)
9487 cmds_len = G_N_ELEMENTS (vm_cmds_str);
9489 case CMD_SET_OBJECT_REF:
9490 cmds = object_cmds_str;
9491 cmds_len = G_N_ELEMENTS (object_cmds_str);
9493 case CMD_SET_STRING_REF:
9494 cmds = string_cmds_str;
9495 cmds_len = G_N_ELEMENTS (string_cmds_str);
9497 case CMD_SET_THREAD:
9498 cmds = thread_cmds_str;
9499 cmds_len = G_N_ELEMENTS (thread_cmds_str);
9501 case CMD_SET_ARRAY_REF:
9502 cmds = array_cmds_str;
9503 cmds_len = G_N_ELEMENTS (array_cmds_str);
9505 case CMD_SET_EVENT_REQUEST:
9506 cmds = event_cmds_str;
9507 cmds_len = G_N_ELEMENTS (event_cmds_str);
9509 case CMD_SET_STACK_FRAME:
9510 cmds = stack_frame_cmds_str;
9511 cmds_len = G_N_ELEMENTS (stack_frame_cmds_str);
9513 case CMD_SET_APPDOMAIN:
9514 cmds = appdomain_cmds_str;
9515 cmds_len = G_N_ELEMENTS (appdomain_cmds_str);
9517 case CMD_SET_ASSEMBLY:
9518 cmds = assembly_cmds_str;
9519 cmds_len = G_N_ELEMENTS (assembly_cmds_str);
9521 case CMD_SET_METHOD:
9522 cmds = method_cmds_str;
9523 cmds_len = G_N_ELEMENTS (method_cmds_str);
9526 cmds = type_cmds_str;
9527 cmds_len = G_N_ELEMENTS (type_cmds_str);
9529 case CMD_SET_MODULE:
9530 cmds = module_cmds_str;
9531 cmds_len = G_N_ELEMENTS (module_cmds_str);
9534 cmds = field_cmds_str;
9535 cmds_len = G_N_ELEMENTS (field_cmds_str);
9538 cmds = event_cmds_str;
9539 cmds_len = G_N_ELEMENTS (event_cmds_str);
9544 if (command > 0 && command <= cmds_len)
9545 return cmds [command - 1];
9551 wait_for_attach (void)
9553 #ifndef DISABLE_SOCKET_TRANSPORT
9554 if (listen_fd == -1) {
9555 DEBUG_PRINTF (1, "[dbg] Invalid listening socket\n");
9559 /* Block and wait for client connection */
9560 conn_fd = socket_transport_accept (listen_fd);
9561 DEBUG_PRINTF (1, "Accepted connection on %d\n", conn_fd);
9562 if (conn_fd == -1) {
9563 DEBUG_PRINTF (1, "[dbg] Bad client connection\n");
9567 g_assert_not_reached ();
9571 disconnected = !transport_handshake ();
9573 DEBUG_PRINTF (1, "Transport handshake failed!\n");
9583 * This thread handles communication with the debugger client using a JDWP
9586 static guint32 WINAPI
9587 debugger_thread (void *arg)
9589 int res, len, id, flags, command_set = 0, command = 0;
9590 guint8 header [HEADER_LENGTH];
9591 guint8 *data, *p, *end;
9595 gboolean attach_failed = FALSE;
9597 DEBUG_PRINTF (1, "[dbg] Agent thread started, pid=%p\n", (gpointer)GetCurrentThreadId ());
9599 debugger_thread_id = GetCurrentThreadId ();
9601 mono_jit_thread_attach (mono_get_root_domain ());
9603 mono_thread_internal_current ()->flags |= MONO_THREAD_FLAG_DONT_MANAGE;
9605 mono_set_is_debugger_attached (TRUE);
9607 if (agent_config.defer) {
9608 if (!wait_for_attach ()) {
9609 DEBUG_PRINTF (1, "[dbg] Can't attach, aborting debugger thread.\n");
9610 attach_failed = TRUE; // Don't abort process when we can't listen
9612 /* Send start event to client */
9613 process_profiler_event (EVENT_KIND_VM_START, mono_thread_get_main ());
9617 while (!attach_failed) {
9618 res = transport_recv (header, HEADER_LENGTH);
9620 /* This will break if the socket is closed during shutdown too */
9621 if (res != HEADER_LENGTH) {
9622 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, HEADER_LENGTH);
9627 end = header + HEADER_LENGTH;
9629 len = decode_int (p, &p, end);
9630 id = decode_int (p, &p, end);
9631 flags = decode_byte (p, &p, end);
9632 command_set = decode_byte (p, &p, end);
9633 command = decode_byte (p, &p, end);
9635 g_assert (flags == 0);
9638 const char *cmd_str;
9641 cmd_str = cmd_to_string (command_set, command);
9643 sprintf (cmd_num, "%d", command);
9647 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);
9650 data = g_malloc (len - HEADER_LENGTH);
9651 if (len - HEADER_LENGTH > 0)
9653 res = transport_recv (data, len - HEADER_LENGTH);
9654 if (res != len - HEADER_LENGTH) {
9655 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, len - HEADER_LENGTH);
9661 end = data + (len - HEADER_LENGTH);
9663 buffer_init (&buf, 128);
9668 /* Process the request */
9669 switch (command_set) {
9671 err = vm_commands (command, id, p, end, &buf);
9672 if (!err && command == CMD_VM_INVOKE_METHOD)
9673 /* Sent after the invoke is complete */
9676 case CMD_SET_EVENT_REQUEST:
9677 err = event_commands (command, p, end, &buf);
9679 case CMD_SET_APPDOMAIN:
9680 err = domain_commands (command, p, end, &buf);
9682 case CMD_SET_ASSEMBLY:
9683 err = assembly_commands (command, p, end, &buf);
9685 case CMD_SET_MODULE:
9686 err = module_commands (command, p, end, &buf);
9689 err = field_commands (command, p, end, &buf);
9692 err = type_commands (command, p, end, &buf);
9694 case CMD_SET_METHOD:
9695 err = method_commands (command, p, end, &buf);
9697 case CMD_SET_THREAD:
9698 err = thread_commands (command, p, end, &buf);
9700 case CMD_SET_STACK_FRAME:
9701 err = frame_commands (command, p, end, &buf);
9703 case CMD_SET_ARRAY_REF:
9704 err = array_commands (command, p, end, &buf);
9706 case CMD_SET_STRING_REF:
9707 err = string_commands (command, p, end, &buf);
9709 case CMD_SET_OBJECT_REF:
9710 err = object_commands (command, p, end, &buf);
9713 err = ERR_NOT_IMPLEMENTED;
9716 if (command_set == CMD_SET_VM && command == CMD_VM_START_BUFFERING) {
9717 buffer_replies = TRUE;
9721 if (buffer_replies) {
9722 buffer_reply_packet (id, err, &buf);
9724 send_reply_packet (id, err, &buf);
9725 //DEBUG_PRINTF (1, "[dbg] Sent reply to %d [at=%lx].\n", id, (long)mono_100ns_ticks () / 10000);
9729 if (!err && command_set == CMD_SET_VM && command == CMD_VM_STOP_BUFFERING) {
9730 send_buffered_reply_packets ();
9731 buffer_replies = FALSE;
9737 if (command_set == CMD_SET_VM && (command == CMD_VM_DISPOSE || command == CMD_VM_EXIT))
9741 mono_set_is_debugger_attached (FALSE);
9743 mono_mutex_lock (&debugger_thread_exited_mutex);
9744 debugger_thread_exited = TRUE;
9745 mono_cond_signal (&debugger_thread_exited_cond);
9746 mono_mutex_unlock (&debugger_thread_exited_mutex);
9748 DEBUG_PRINTF (1, "[dbg] Debugger thread exited.\n");
9750 if (!attach_failed && command_set == CMD_SET_VM && command == CMD_VM_DISPOSE && !(vm_death_event_sent || mono_runtime_is_shutting_down ())) {
9751 DEBUG_PRINTF (2, "[dbg] Detached - restarting clean debugger thread.\n");
9752 start_debugger_thread ();
9758 #else /* DISABLE_DEBUGGER_AGENT */
9761 mono_debugger_agent_parse_options (char *options)
9763 g_error ("This runtime is configured with the debugger agent disabled.");
9767 mono_debugger_agent_init (void)
9772 mono_debugger_agent_breakpoint_hit (void *sigctx)
9777 mono_debugger_agent_single_step_event (void *sigctx)
9782 mono_debugger_agent_free_domain_info (MonoDomain *domain)
9787 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
9793 mono_debugger_agent_handle_exception (MonoException *ext, MonoContext *throw_ctx,
9794 MonoContext *catch_ctx)
9799 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9804 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9809 mono_debugger_agent_user_break (void)
9815 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
9820 mono_debugger_agent_debug_log_is_enabled (void)
9826 mono_debugger_agent_unhandled_exception (MonoException *exc)
9828 g_assert_not_reached ();